/*! tailwindcss v4.3.3 | MIT License | https://tailwindcss.com */
@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,:before,:after,::backdrop{--tw-translate-x:0;--tw-translate-y:0;--tw-translate-z:0;--tw-rotate-x:initial;--tw-rotate-y:initial;--tw-rotate-z:initial;--tw-skew-x:initial;--tw-skew-y:initial;--tw-space-y-reverse:0;--tw-space-x-reverse:0;--tw-border-style:solid;--tw-leading:initial;--tw-font-weight:initial;--tw-tracking:initial;--tw-ordinal:initial;--tw-slashed-zero:initial;--tw-numeric-figure:initial;--tw-numeric-spacing:initial;--tw-numeric-fraction:initial;--tw-shadow:0 0 #0000;--tw-shadow-color:initial;--tw-shadow-alpha:100%;--tw-inset-shadow:0 0 #0000;--tw-inset-shadow-color:initial;--tw-inset-shadow-alpha:100%;--tw-ring-color:initial;--tw-ring-shadow:0 0 #0000;--tw-inset-ring-color:initial;--tw-inset-ring-shadow:0 0 #0000;--tw-ring-inset:initial;--tw-ring-offset-width:0px;--tw-ring-offset-color:#fff;--tw-ring-offset-shadow:0 0 #0000;--tw-outline-style:solid;--tw-blur:initial;--tw-brightness:initial;--tw-contrast:initial;--tw-grayscale:initial;--tw-hue-rotate:initial;--tw-invert:initial;--tw-opacity:initial;--tw-saturate:initial;--tw-sepia:initial;--tw-drop-shadow:initial;--tw-drop-shadow-color:initial;--tw-drop-shadow-alpha:100%;--tw-drop-shadow-size:initial;--tw-ease:initial;--tw-backdrop-blur:initial;--tw-backdrop-brightness:initial;--tw-backdrop-contrast:initial;--tw-backdrop-grayscale:initial;--tw-backdrop-hue-rotate:initial;--tw-backdrop-invert:initial;--tw-backdrop-opacity:initial;--tw-backdrop-saturate:initial;--tw-backdrop-sepia:initial}}}@layer theme{:root,:host{--font-sans:"Figtree", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--font-mono:"JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;--color-white:#fff;--spacing:.25rem;--container-sm:24rem;--container-md:28rem;--container-2xl:42rem;--container-3xl:48rem;--container-5xl:64rem;--container-7xl:80rem;--text-xs:.75rem;--text-xs--line-height:calc(1 / .75);--text-sm:.875rem;--text-sm--line-height:calc(1.25 / .875);--text-base:1rem;--text-base--line-height:calc(1.5 / 1);--text-lg:1.125rem;--text-lg--line-height:calc(1.75 / 1.125);--text-xl:1.25rem;--text-xl--line-height:calc(1.75 / 1.25);--text-2xl:1.5rem;--text-2xl--line-height:calc(2 / 1.5);--text-3xl:1.875rem;--text-3xl--line-height:calc(2.25 / 1.875);--text-4xl:2.25rem;--text-4xl--line-height:calc(2.5 / 2.25);--font-weight-normal:400;--font-weight-medium:500;--font-weight-semibold:600;--font-weight-bold:700;--font-weight-extrabold:800;--tracking-tight:-.025em;--leading-tight:1.25;--leading-snug:1.375;--leading-normal:1.5;--leading-relaxed:1.625;--radius-md:.375rem;--radius-lg:.5rem;--radius-xl:.75rem;--radius-2xl:1rem;--radius-3xl:1.5rem;--ease-out:cubic-bezier(0, 0, .2, 1);--animate-pulse:pulse 2s cubic-bezier(.4, 0, .6, 1) infinite;--default-transition-duration:.15s;--default-transition-timing-function:cubic-bezier(.4, 0, .2, 1);--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono);--color-bg:var(--bg);--color-surface:var(--surface);--color-surface-2:var(--surface-2);--color-ink:var(--ink);--color-muted:var(--muted);--color-line:var(--line);--color-accent:var(--accent);--color-accent-ink:var(--accent-ink);--color-mastery:var(--mastery);--color-due:var(--due);--color-danger:var(--danger);--color-info:var(--info);--color-raised:var(--raised);--color-ink-2:var(--ink-2)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring:where(:not(iframe)){outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}::selection{background:var(--accent)}@supports (color:color-mix(in lab, red, red)){::selection{background:color-mix(in srgb, var(--accent) 24%, transparent)}}html{caret-color:var(--accent);scrollbar-color:var(--line-2) transparent}a{text-underline-offset:.18em;text-decoration-thickness:1px}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}::placeholder{color:var(--muted);opacity:1}}@layer components{html{background:var(--bg);color:var(--ink)}body{font-family:var(--font-sans);-webkit-font-smoothing:antialiased}code,pre,kbd{font-family:var(--font-mono);font-size:.92em}pre{background:var(--surface-2);border:1px solid var(--line);border-radius:.5rem;padding:.9rem 1rem;overflow-x:auto}:not(pre)>code{background:var(--surface-2);border:1px solid var(--line);overflow-wrap:anywhere;border-radius:.3rem;padding:.05rem .35rem}pre,.astro-code,.prose,.prose>*,article,.segment{min-width:0;max-width:100%}main{overflow-x:clip}a{color:var(--accent)}a:hover{text-decoration:underline}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.card{background:var(--surface);border:1px solid var(--line);border-radius:.75rem}.btn{border:1px solid var(--line);background:var(--surface);color:var(--ink);cursor:pointer;border-radius:.5rem;align-items:center;gap:.4rem;padding:.5rem .9rem;font-size:.92rem;font-weight:600;display:inline-flex}.btn:hover{background:var(--surface-2);text-decoration:none}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent);color:var(--accent-ink);border-color:#0000}.btn-primary:hover{background:var(--accent-2)}.chip{border:1px solid var(--line);background:var(--surface-2);max-width:100%;color:var(--muted);border-radius:999px;align-items:center;gap:.3rem;padding:.1rem .6rem;font-size:.78rem;font-weight:600;display:inline-flex}.site-header .chip,.flow-bar .chip,.tabbar .chip{white-space:nowrap}.chip-mastery{color:var(--mastery)}@supports (color:color-mix(in lab, red, red)){.chip-mastery{color:color-mix(in srgb, var(--mastery) 75%, var(--ink))}}.chip-mastery{border-color:var(--mastery)}@supports (color:color-mix(in lab, red, red)){.chip-mastery{border-color:color-mix(in srgb, var(--mastery) 40%, transparent)}}.chip-mastery{background:var(--mastery)}@supports (color:color-mix(in lab, red, red)){.chip-mastery{background:color-mix(in srgb, var(--mastery) 12%, transparent)}}.chip-due{color:var(--due);border-color:var(--due)}@supports (color:color-mix(in lab, red, red)){.chip-due{border-color:color-mix(in srgb, var(--due) 40%, transparent)}}.chip-due{background:var(--due)}@supports (color:color-mix(in lab, red, red)){.chip-due{background:color-mix(in srgb, var(--due) 12%, transparent)}}.chip-info{color:var(--info);border-color:var(--info)}@supports (color:color-mix(in lab, red, red)){.chip-info{border-color:color-mix(in srgb, var(--info) 40%, transparent)}}.chip-info{background:var(--info)}@supports (color:color-mix(in lab, red, red)){.chip-info{background:color-mix(in srgb, var(--info) 12%, transparent)}}.chip-danger{color:var(--danger);border-color:var(--danger)}@supports (color:color-mix(in lab, red, red)){.chip-danger{border-color:color-mix(in srgb, var(--danger) 40%, transparent)}}.chip-danger{background:var(--danger)}@supports (color:color-mix(in lab, red, red)){.chip-danger{background:color-mix(in srgb, var(--danger) 12%, transparent)}}.chip-accent{color:var(--accent);border-color:var(--accent)}@supports (color:color-mix(in lab, red, red)){.chip-accent{border-color:color-mix(in srgb, var(--accent) 40%, transparent)}}.chip-accent{background:var(--accent)}@supports (color:color-mix(in lab, red, red)){.chip-accent{background:color-mix(in srgb, var(--accent) 12%, transparent)}}input[type=text],input[type=password],textarea,select{background:var(--surface);color:var(--ink);border:1px solid var(--line-input);border-radius:.5rem;width:100%;padding:.5rem .7rem}textarea{min-height:5rem}:where(.callout){--tile:var(--info)}[data-interactive],[data-interactive] .grid>*{min-width:0}.course-art{color:var(--muted);flex:none}.art-empty{width:4.5rem;height:4.5rem;color:var(--accent);background:var(--accent);border-radius:1.25rem;justify-content:center;align-items:center;display:inline-flex}@supports (color:color-mix(in lab, red, red)){.art-empty{background:color-mix(in srgb, var(--accent) 10%, transparent)}}.btn-big{letter-spacing:.01em;text-transform:none;width:100%;min-height:3.25rem;color:var(--accent-ink);background:var(--accent);box-shadow:0 4px 0 0 var(--accent);border:0;border-radius:1rem;justify-content:center;align-items:center;gap:.5rem;padding:.85rem 1.25rem;font-size:1.05rem;font-weight:800;display:inline-flex}@supports (color:color-mix(in lab, red, red)){.btn-big{box-shadow:0 4px 0 0 color-mix(in srgb, var(--accent) 70%, black)}}.btn-big{cursor:pointer;-webkit-tap-highlight-color:transparent;text-decoration:none;transition:transform 90ms ease-out,box-shadow 90ms ease-out,filter 90ms;transform:translateY(0)}.btn-big:active{box-shadow:0 1px 0 0 var(--accent);transform:translateY(3px)}@supports (color:color-mix(in lab, red, red)){.btn-big:active{box-shadow:0 1px 0 0 color-mix(in srgb, var(--accent) 70%, black)}}.btn-big:disabled{background:var(--surface-2);color:var(--muted);box-shadow:0 4px 0 0 var(--line);cursor:not-allowed}.btn-big.ghost{background:var(--surface);color:var(--ink);border:2px solid var(--line);box-shadow:0 4px 0 0 var(--line)}.btn-big.ghost:active{box-shadow:0 1px 0 0 var(--line)}.btn-big.mastery{background:var(--mastery);box-shadow:0 4px 0 0 var(--mastery)}@supports (color:color-mix(in lab, red, red)){.btn-big.mastery{box-shadow:0 4px 0 0 color-mix(in srgb, var(--mastery) 70%, black)}}.btn-big.mastery{color:#fff}.btn-big.mastery:active{box-shadow:0 1px 0 0 var(--mastery)}@supports (color:color-mix(in lab, red, red)){.btn-big.mastery:active{box-shadow:0 1px 0 0 color-mix(in srgb, var(--mastery) 70%, black)}}.btn-big.danger{background:var(--danger);box-shadow:0 4px 0 0 var(--danger)}@supports (color:color-mix(in lab, red, red)){.btn-big.danger{box-shadow:0 4px 0 0 color-mix(in srgb, var(--danger) 70%, black)}}.btn-big.danger{color:#fff}.tabbar{z-index:50;height:calc(var(--tabbar-h) + var(--sab));padding-bottom:var(--sab);background:var(--surface);position:fixed;bottom:0;left:0;right:0}@supports (color:color-mix(in lab, red, red)){.tabbar{background:color-mix(in srgb, var(--surface) 92%, transparent)}}.tabbar{-webkit-backdrop-filter:blur(14px)saturate(1.2);border-top:1px solid var(--line);grid-template-columns:repeat(5,1fr);display:grid}.tabbar a{min-height:var(--tabbar-h);color:var(--muted);letter-spacing:.01em;-webkit-tap-highlight-color:transparent;flex-direction:column;justify-content:center;align-items:center;gap:.15rem;font-size:.68rem;font-weight:700;text-decoration:none;display:flex;position:relative}.tabbar a svg{width:26px;height:26px;transition:transform .18s cubic-bezier(.16,1,.3,1)}.tabbar a:active svg{transform:scale(.9)}.tabbar a[aria-current=page]{color:var(--accent)}.tabbar a[aria-current=page] svg{transform:translateY(-1px)scale(1.06)}.tabbar .badge{background:var(--due);color:#fff;border-radius:999px;justify-content:center;align-items:center;min-width:1.15rem;height:1.15rem;padding:0 .3rem;font-size:.66rem;font-weight:800;display:flex;position:absolute;top:.45rem;left:calc(50% + 6px)}.path-node{-webkit-tap-highlight-color:transparent;cursor:pointer}.path-node .disc{fill:var(--surface-2);stroke:var(--line);stroke-width:3px}.path-node.available .disc{fill:var(--surface);stroke:var(--accent)}.path-node.started .disc{fill:var(--accent);stroke:var(--accent)}@supports (color:color-mix(in lab, red, red)){.path-node.started .disc{stroke:color-mix(in srgb, var(--accent) 70%, black)}}.path-node.closed .disc{fill:var(--mastery);stroke:var(--mastery)}@supports (color:color-mix(in lab, red, red)){.path-node.closed .disc{stroke:color-mix(in srgb, var(--mastery) 70%, black)}}.path-node.open .disc{fill:var(--due);stroke:var(--due)}@supports (color:color-mix(in lab, red, red)){.path-node.open .disc{stroke:color-mix(in srgb, var(--due) 70%, black)}}.path-node.locked{opacity:.55;cursor:default}.path-node .shadow{fill:#0000002e}.path-node:active .disc{transform:translateY(2px)}.path-node .glyph{fill:#fff}.path-node.available .glyph{fill:var(--accent)}.path-node.locked .glyph{fill:var(--muted)}.path-pulse{transform-origin:50%;animation:1.8s ease-in-out infinite pathpulse}@keyframes pathpulse{0%,to{opacity:.35;transform:scale(1)}50%{opacity:0;transform:scale(1.45)}}.flow-bar{z-index:45;background:var(--bg);position:sticky;top:0}@supports (color:color-mix(in lab, red, red)){.flow-bar{background:color-mix(in srgb, var(--bg) 94%, transparent)}}.flow-bar{-webkit-backdrop-filter:blur(10px);padding:calc(.5rem + var(--sat)) 1rem .5rem;align-items:center;gap:.75rem;display:flex}.flow-track{background:var(--surface-2);border:1px solid var(--line);border-radius:999px;flex:1;height:.75rem;overflow:hidden}.flow-fill{background:var(--accent);border-radius:999px;height:100%;position:relative}.flow-fill-anim{transform-origin:0;width:100%;transition:transform .32s cubic-bezier(.16,1,.3,1)}.flow-fill:after{content:"";background:#ffffff73;border-radius:999px;height:3px;position:absolute;inset:2px 3px auto}.flow-step{animation:.24s cubic-bezier(.2,.8,.2,1) both flowin}@keyframes flowin{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}.flow-actions{z-index:46;padding:.75rem 1rem calc(.75rem + var(--sab));background:linear-gradient(to top, var(--bg) 70%, transparent);gap:.75rem;display:flex;position:fixed;bottom:0;left:0;right:0}body.flow-active .tabbar,body.flow-active footer{display:none}body.flow-active main{padding-bottom:7.5rem}.celebrate{z-index:60;background:var(--bg);justify-content:center;align-items:center;padding:1.5rem;display:flex;position:fixed;inset:0}@supports (color:color-mix(in lab, red, red)){.celebrate{background:color-mix(in srgb, var(--bg) 88%, transparent)}}.celebrate{-webkit-backdrop-filter:blur(8px);animation:.2s ease-out both fadein}.celebrate-card{background:var(--surface);border:1px solid var(--line);width:100%;max-width:26rem;padding:1.75rem 1.5rem calc(1.5rem + var(--sab));text-align:center;border-radius:1.5rem;animation:.38s cubic-bezier(.16,1,.3,1) both popin;box-shadow:0 24px 60px -20px #00000059}@keyframes popin{0%{opacity:0;transform:scale(.85)translateY(20px)}to{opacity:1;transform:none}}@keyframes fadein{0%{opacity:0}to{opacity:1}}.stamp-big{border:4px double var(--mastery);color:var(--mastery);letter-spacing:.16em;text-transform:uppercase;border-radius:.6rem;padding:.3rem 1rem;font-size:1.3rem;font-weight:900;display:inline-block;transform:rotate(-6deg)}.ring-track{stroke:var(--surface-2)}.ring-fill{stroke:var(--accent);stroke-linecap:round;transition:stroke-dashoffset .6s cubic-bezier(.2,.8,.2,1)}.ring-fill.done{stroke:var(--mastery)}.t-display{letter-spacing:-.028em;text-wrap:balance;font-size:2.75rem;font-weight:800;line-height:1.05}.t-title{letter-spacing:-.024em;text-wrap:balance;font-size:2.35rem;font-weight:800;line-height:1.1}.t-h2{letter-spacing:-.016em;text-wrap:balance;font-size:1.55rem;font-weight:750;line-height:1.2}.t-h3{letter-spacing:-.008em;font-size:1.15rem;font-weight:700;line-height:1.3}.t-ui{font-size:.9375rem;line-height:1.45}.t-meta{color:var(--faint);font-size:.8125rem;font-weight:500;line-height:1.4}.t-label{color:var(--ink-2);font-size:.8125rem;font-weight:650;line-height:1.3}.t-num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}.t-stat{letter-spacing:-.02em;font-variant-numeric:tabular-nums;font-size:1.9rem;font-weight:800;line-height:1}.t-id{font-family:var(--font-mono);letter-spacing:0;font-size:.78rem;font-weight:600}.t-episode{letter-spacing:-.02em;text-wrap:balance;color:var(--scene-ink);font-size:2rem;font-weight:800;line-height:1.12}.t-term{color:inherit;text-underline-offset:.2em;text-decoration:underline 1px dotted}.t-source{color:var(--ink-2);font-size:.875rem;line-height:1.45}.t-callout{font-size:1rem;line-height:1.6}.btn{min-height:2.25rem;transition:background-color .14s,border-color .14s,color .14s}.btn:hover{border-color:var(--line-2)}.btn-primary:hover{background:var(--accent-2);filter:none}.btn-primary:disabled{background:var(--surface-3);color:var(--faint);opacity:1;border-color:#0000}.btn-ghost{color:var(--ink-2);background:0 0;border-color:#0000}.btn-ghost:hover{background:var(--surface-2);color:var(--ink);border-color:#0000}.btn-sm{border-radius:.45rem;min-height:1.875rem;padding:.3rem .65rem;font-size:.82rem}.btn-lg{border-radius:.6rem;min-height:2.75rem;padding:.65rem 1.15rem;font-size:1rem}.icon-btn{width:2.25rem;height:2.25rem;color:var(--ink-2);cursor:pointer;background:0 0;border:1px solid #0000;border-radius:.5rem;justify-content:center;align-items:center;transition:background-color .14s,color .14s;display:inline-flex}.icon-btn:hover{background:var(--surface-2);color:var(--ink)}.icon-btn[aria-pressed=true],.icon-btn[aria-expanded=true]{background:var(--accent-soft);color:var(--accent)}.segmented{background:var(--surface-2);border:1px solid var(--line-input);border-radius:.6rem;gap:.2rem;padding:.2rem;display:inline-flex}.segmented>button,.segmented>a{min-height:2rem;color:var(--muted);cursor:pointer;white-space:nowrap;background:0 0;border:0;border-radius:.45rem;align-items:center;gap:.45rem;padding:.3rem .8rem;font-size:.86rem;font-weight:650;text-decoration:none;transition:background-color .16s,color .16s,box-shadow .16s;display:inline-flex}.segmented>:is(button,a):hover{color:var(--ink)}.segmented>:is([aria-pressed=true],[aria-selected=true],[aria-current=page]){background:var(--surface);color:var(--ink);box-shadow:0 1px 2px #00000014, 0 0 0 1px var(--line)}.sheet{background:var(--surface);border:1px solid var(--line);border-radius:.875rem}.well{background:var(--surface-2);border-radius:.6rem}.raised{background:var(--raised);border:1px solid var(--line);box-shadow:var(--shadow-raised);border-radius:.875rem}.hairline{border:0;border-top:1px solid var(--line)}.popover{z-index:var(--z-popover);visibility:hidden;background:var(--raised);max-width:min(24rem,100vw - 2rem);color:var(--ink);border:1px solid var(--line);box-shadow:var(--shadow-raised);opacity:0;transform-origin:0 0;transition:opacity .15s var(--ease), transform .15s var(--ease), visibility 0s linear .15s;pointer-events:none;border-radius:.75rem;padding:.85rem 1rem;font-size:.875rem;line-height:1.5;position:fixed;transform:translateY(4px)scale(.985)}.popover[data-open=true]{opacity:1;pointer-events:auto;visibility:visible;transition-delay:0s;transform:none}.meter{background:var(--surface-3);border-radius:999px;height:.375rem;position:relative;overflow:hidden}.meter>span{transform-origin:0;transform:scaleX(var(--v,0));background:var(--accent);border-radius:inherit;transition:transform .5s cubic-bezier(.16,1,.3,1);position:absolute;inset:0}.meter.mastery>span{background:var(--mastery)}.meter.due>span{background:var(--due)}.meter.lg{height:.5rem}.status{border:2px solid var(--line-input);color:#0000;background:0 0;border-radius:999px;flex:none;justify-content:center;align-items:center;width:1.25rem;height:1.25rem;display:inline-flex}.status svg{width:.8rem;height:.8rem}.status.started{border-color:var(--accent);background:radial-gradient(circle, var(--accent) 0 32%, transparent 36%)}.status.closed{border-color:var(--mastery);background:var(--mastery);color:var(--on-status)}.status.open{border-color:var(--due);background:var(--due)}@supports (color:color-mix(in lab, red, red)){.status.open{background:color-mix(in srgb, var(--due) 18%, transparent)}}.status.open{color:var(--due)}.status.locked{color:var(--faint);border-style:dashed}.status.current{box-shadow:0 0 0 3px var(--accent-soft)}.kbd{border:1px solid var(--line-input);background:var(--surface);min-width:1.35rem;height:1.35rem;color:var(--muted);font-family:var(--font-mono);border-bottom-width:2px;border-radius:.3rem;justify-content:center;align-items:center;padding:0 .3rem;font-size:.7rem;font-weight:600;line-height:1;display:inline-flex}.field{background:var(--surface);color:var(--ink);border:1px solid var(--line-input);border-radius:.5rem;width:100%;padding:.5rem .7rem;transition:border-color .14s,box-shadow .14s}.field:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent);outline:none}@supports (color:color-mix(in lab, red, red)){.field:focus{box-shadow:0 0 0 3px color-mix(in srgb, var(--accent) 35%, transparent)}}input[type=number]{background:var(--surface);color:var(--ink);border:1px solid var(--line-input);font-variant-numeric:tabular-nums;border-radius:.45rem;padding:.3rem .5rem}.skeleton{background:linear-gradient(90deg, var(--surface-2) 0%, var(--surface-3) 50%, var(--surface-2) 100%);background-size:200% 100%;border-radius:.4rem;animation:1.4s ease-in-out infinite nz-shimmer}@keyframes nz-shimmer{0%{background-position:100% 0}to{background-position:-100% 0}}.icon-tile{--tile:var(--accent);width:2.25rem;height:2.25rem;color:var(--tile);background:var(--tile);border-radius:.65rem;flex:none;justify-content:center;align-items:center;display:inline-flex}@supports (color:color-mix(in lab, red, red)){.icon-tile{background:color-mix(in srgb, var(--tile) 12%, transparent)}}.icon-tile.sm{border-radius:.5rem;width:1.75rem;height:1.75rem}.tile-accent{--tile:var(--accent)}.tile-mastery{--tile:var(--mastery)}.tile-due{--tile:var(--due)}.tile-info{--tile:var(--info)}.tile-danger{--tile:var(--danger)}.tile-muted{--tile:var(--muted)}.block-head{align-items:center;gap:.75rem;min-width:0;display:flex}.block-head h2,.block-head h3{min-width:0;margin:0}.block-head .sub{color:var(--muted);margin-top:.1rem;font-size:.8rem}@media (width>=768px){.site-header{background:var(--surface)}.site-bar{gap:.5rem}.nz-wordmark{letter-spacing:-.02em;flex:none;margin-right:.75rem}.nz-navs{align-items:center;gap:.25rem;min-width:0}.nz-nav{align-items:center;gap:.125rem;display:flex}.nz-nav:before{content:"";background:var(--line-2);flex:none;width:1px;height:1.25rem;margin:0 .5rem}.nz-nav-item{border-radius:var(--radius-control);height:2.25rem;color:var(--ink-2);white-space:nowrap;align-items:center;gap:.45rem;padding:0 .7rem;font-size:.875rem;font-weight:600;line-height:1;text-decoration:none;transition:background-color .14s,color .14s;display:inline-flex;position:relative}.nz-nav-item:hover{background:var(--surface-2);color:var(--ink);text-decoration:none}.nz-nav-item[aria-current=page]{background:var(--accent-soft);color:var(--accent)}.nz-nav-glyph{flex:none;display:none}.nz-nav-item:has(.nz-badge-slot){padding-right:1.35rem}.nz-badge-slot{display:contents}.nz-badge{background:var(--due);min-width:1rem;height:1rem;color:var(--on-status);box-shadow:0 0 0 2px var(--surface);font-variant-numeric:tabular-nums;border-radius:999px;justify-content:center;align-items:center;padding:0 .25rem;font-size:.625rem;font-weight:750;line-height:1;display:inline-flex;position:absolute;top:.2rem;right:.15rem}.nz-nav-item[aria-current=page] .nz-badge{box-shadow:0 0 0 2px var(--accent-soft)}.nz-sw{flex:none;position:relative}.nz-sw-trigger{border-radius:var(--radius-control);height:2.25rem;color:var(--ink);font:inherit;white-space:nowrap;cursor:pointer;background:0 0;border:0;align-items:center;gap:.45rem;padding:0 .55rem 0 .6rem;font-size:.875rem;font-weight:650;line-height:1;transition:background-color .14s,color .14s;display:inline-flex}.nz-sw-trigger:hover{background:var(--surface-2)}.nz-sw-trigger[data-current],.nz-sw-trigger[aria-expanded=true]{background:var(--accent-soft);color:var(--accent)}.nz-sw-glyph{color:var(--muted);flex:none}.nz-sw-trigger[data-current] .nz-sw-glyph,.nz-sw-trigger[aria-expanded=true] .nz-sw-glyph{color:var(--accent)}.nz-sw-caret{color:var(--faint);transition:transform .16s var(--ease);transform:rotate(90deg)}.nz-sw-trigger[aria-expanded=true] .nz-sw-caret{color:currentColor;transform:rotate(-90deg)}.nz-sw-panel{z-index:var(--z-popover);background:var(--raised);border:1px solid var(--line);border-radius:var(--radius-sheet);width:30rem;box-shadow:var(--shadow-raised);animation:nz-pop .17s var(--ease) both;padding:.375rem;position:absolute;top:calc(100% + .625rem);left:0}.nz-sw-list{gap:.125rem;margin:0;padding:0;list-style:none;display:grid}.nz-sw-row{min-height:3.25rem;color:var(--ink);border-radius:.6rem;grid-template-columns:2.25rem minmax(0,1fr) 6.25rem;align-items:center;gap:.75rem;padding:.45rem .6rem;text-decoration:none;transition:background-color .14s;display:grid}.nz-sw-row[data-idle]{grid-template-columns:2.25rem minmax(0,1fr)}.nz-sw-row:hover{background:var(--surface-2);text-decoration:none}.nz-sw-row[aria-current=page]{background:var(--accent-soft)}.nz-sw-row-glyph{background:var(--accent);border-radius:.6rem;justify-content:center;align-items:center;width:2.25rem;height:2.25rem;display:inline-flex}@supports (color:color-mix(in lab, red, red)){.nz-sw-row-glyph{background:color-mix(in srgb, var(--accent) 12%, transparent)}}.nz-sw-row-glyph{color:var(--accent)}.nz-sw-row[aria-current=page] .nz-sw-row-glyph{background:var(--raised)}.nz-sw-row-text{flex-direction:column;gap:.15rem;min-width:0;display:flex}.nz-sw-row-title{-webkit-line-clamp:3;text-wrap:pretty;-webkit-box-orient:vertical;font-size:.875rem;font-weight:650;line-height:1.3;display:-webkit-box;overflow:hidden}.nz-sw-row-meta{color:var(--muted);font-size:.75rem;line-height:1.3}.nz-sw-list+.nz-sw-list{border-top:1px solid var(--line);margin-top:.3rem;padding-top:.3rem}.nz-sw-row-prog{grid-template-columns:minmax(0,1fr) 2.5rem;align-items:center;gap:.5rem;display:grid}.nz-sw-pct{color:var(--ink-2);text-align:right;font-size:.75rem;font-weight:650}.nz-sw-all{border-top:1px solid var(--line);color:var(--accent);justify-content:space-between;align-items:center;margin:.375rem 0 0;padding:.7rem .6rem .4rem;font-size:.875rem;font-weight:650;text-decoration:none;display:flex}.nz-sw-all:hover{text-decoration:underline}.nz-search{border-radius:var(--radius-control);width:2.25rem;height:2.25rem;color:var(--ink-2);font:inherit;cursor:pointer;background:0 0;border:1px solid #0000;justify-content:center;align-items:center;gap:.5rem;padding:0;transition:background-color .14s,border-color .14s,color .14s;display:inline-flex;position:relative}.nz-search:hover{background:var(--surface-2);color:var(--ink)}.nz-search-label,.nz-search-kbd{display:none}.nz-search-kbd{gap:.2rem}.nz-k-mac{display:none}html.nz-mac .nz-k-mac{display:inline}html.nz-mac .nz-k-other{display:none}.nz-sync{border-radius:var(--radius-control);height:2.25rem;color:var(--muted);white-space:nowrap;align-items:center;gap:.45rem;padding:0 .55rem;font-size:.8125rem;font-weight:600;line-height:1;text-decoration:none;display:inline-flex;position:relative}a.nz-sync:hover{background:var(--surface-2);color:var(--ink);text-decoration:none}.nz-sync-dot{width:.5rem;height:.5rem;box-shadow:inset 0 0 0 1.5px var(--line-input);background:0 0;border-radius:999px;flex:none}.nz-sync[data-tone=synced] .nz-sync-dot{background:var(--mastery);box-shadow:none}.nz-sync[data-tone=syncing] .nz-sync-dot{background:var(--info);box-shadow:none}.nz-sync[data-tone=pending] .nz-sync-dot{background:var(--due);box-shadow:none}.nz-sync[data-tone=error] .nz-sync-dot{background:var(--danger);box-shadow:none}.nz-sync[data-tone=error]{color:var(--danger)}.nz-sync-short,html:not(.dark) .site-header .nz-moon,.dark .site-header .nz-sun{display:none}.nz-you{border:1px solid var(--line);height:2.25rem;color:var(--ink);white-space:nowrap;border-radius:999px;align-items:center;gap:.45rem;margin-left:.25rem;padding:0 .75rem 0 .25rem;font-size:.8125rem;font-weight:700;line-height:1;text-decoration:none;transition:background-color .14s,border-color .14s;display:inline-flex;position:relative}.nz-you:hover{background:var(--surface-2);border-color:var(--line-2);text-decoration:none}.nz-you[aria-current=page]{background:var(--accent-soft);color:var(--accent);border-color:#0000}.nz-you-glyph{background:var(--surface-2);width:1.75rem;height:1.75rem;color:var(--ink-2);border-radius:999px;justify-content:center;align-items:center;display:inline-flex}.nz-you[aria-current=page] .nz-you-glyph{background:var(--raised);color:var(--accent)}.nz-you-lv{min-width:2.6em}.nz-you-name{display:none}.site-header [data-tip]:after{content:attr(data-tip);z-index:var(--z-popover);background:var(--ink);width:max-content;max-width:16rem;color:var(--bg);box-shadow:var(--shadow-float);letter-spacing:0;text-align:left;white-space:normal;pointer-events:none;border-radius:.45rem;padding:.4rem .6rem;font-size:.75rem;font-weight:600;line-height:1.35;display:none;position:absolute;top:calc(100% + .5rem);left:50%;translate:-50%}.site-header [data-tip][data-tip-align=end]:after{left:auto;right:0;translate:none}.site-header [data-tip]:is(:hover,:focus-visible):after{animation:nz-tip .14s var(--ease) .35s both;display:block}html:has(.nz-search-page) .site-header .nz-search{visibility:hidden}.site-foot{white-space:nowrap;text-overflow:ellipsis;color:var(--faint);overflow:hidden}}@media (width>=768px) and (width<=1279px){.nz-nav-item{justify-content:center;width:2.25rem;padding:0}.nz-nav-glyph{display:block}.nz-nav-label{clip-path:inset(50%);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.nz-nav-item:has(.nz-badge-slot){padding:0}.nz-nav-item .nz-badge{top:0;right:-.2rem}.nz-sw-name{text-overflow:ellipsis;max-width:7rem;overflow:hidden}}@media (width>=768px) and (width<=1023px){.nz-sw-name{display:none}}@media (width>=1024px){.nz-sw-trigger{min-width:var(--nz-sw-w,9rem)}.nz-sw-name{text-overflow:ellipsis;text-align:left;flex:1;min-width:0;overflow:hidden}}@media (width>=1280px){.site-header .nz-nav-item[data-tip]:after{content:none}}@media (width>=768px) and (width<=1439px){html.nz-mac .site-header .nz-search:after{content:"Search · ⌘K"}.nz-sync-label{clip-path:inset(50%);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}}@media (width>=768px) and (width<=1279px){.nz-sync{justify-content:center;width:1.75rem;padding:0}}@media (width>=1280px) and (width<=1439px){.nz-sync{min-width:4.75rem}.nz-sync-short{display:inline}}@media (width>=1440px){.nz-search{background:var(--bg);border-color:var(--line-input);width:19.5rem;color:var(--muted);justify-content:flex-start;gap:.55rem;margin-right:.25rem;padding:0 .35rem 0 .7rem}.nz-search:hover{background:var(--bg);border-color:var(--ink-2);color:var(--ink-2)}.nz-search-label{text-overflow:ellipsis;white-space:nowrap;text-align:left;flex:1;min-width:0;font-size:.875rem;font-weight:500;display:block;overflow:hidden}.nz-search-kbd{display:inline-flex}.site-header .nz-search[data-tip]:after{content:none}.nz-sync{min-width:6.25rem}.nz-you-name{color:var(--ink);display:inline}.nz-you[aria-current=page] .nz-you-name{color:inherit}.nz-you-lv{min-width:3.4em;color:var(--muted);gap:.35em;font-weight:600;display:inline-flex}.nz-you-lv:before{content:"·";color:var(--faint)}}@keyframes nz-pop{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}@keyframes nz-tip{0%{opacity:0;transform:translateY(-2px)}to{opacity:1;transform:none}}.nz-palette{background:var(--raised);width:min(640px,100vw - 2rem);max-width:none;max-height:min(44rem,100dvh - 12vh - 1.5rem);color:var(--ink);border:1px solid var(--line);border-radius:var(--radius-sheet);box-shadow:var(--shadow-raised);font-family:var(--font-sans);flex-direction:column;margin:0 auto;padding:0;position:fixed;inset:12vh 0 auto;overflow:hidden}.nz-palette[open]{animation:nz-pop .18s var(--ease) both;display:flex}.nz-palette::backdrop{background:var(--scene)}@supports (color:color-mix(in lab, red, red)){.nz-palette::backdrop{background:color-mix(in srgb, var(--scene) 36%, transparent)}}html.dark .nz-palette::backdrop{background:var(--term-bg)}@supports (color:color-mix(in lab, red, red)){html.dark .nz-palette::backdrop{background:color-mix(in srgb, var(--term-bg) 64%, transparent)}}.nzp-bar{border-bottom:1px solid var(--line);flex:none;align-items:center;gap:.7rem;height:3.5rem;padding:0 .75rem 0 1rem;display:flex}.nzp-bar-glyph{color:var(--muted);display:inline-flex}.nz-palette .nzp-input{min-width:0;height:100%;min-height:0;color:var(--ink);background:0 0;border:0;border-radius:0;outline:none;flex:1;padding:0;font-size:1.0625rem;font-weight:500}.nz-palette .nzp-input::placeholder{color:var(--muted);opacity:1}.nz-palette .nzp-esc{cursor:pointer;height:1.5rem;padding:0 .4rem}.nzp-body{overscroll-behavior:contain;scrollbar-width:thin;flex:auto;min-height:0;padding:.375rem .5rem .625rem;overflow-y:auto}.nzp-group{padding-top:.25rem}.nzp-group-label{color:var(--faint);padding:.6rem .6rem .3rem;font-size:.75rem;font-weight:650;line-height:1.2}.nzp-note,.nzp-hint{color:var(--muted);margin:0;padding:.55rem .6rem;font-size:.8125rem;line-height:1.45}.nzp-hint{padding-top:.75rem}.nzp-pending{color:var(--faint)}.nzp-opt{border-radius:var(--radius-control);min-height:2.75rem;color:var(--ink);cursor:pointer;grid-template-columns:1.25rem auto minmax(0,1fr) auto;align-items:center;column-gap:.7rem;padding:.45rem .6rem;scroll-margin:.5rem;text-decoration:none;display:grid}.nzp-opt>.nzp-glyph{grid-column:1}.nzp-opt>.nzp-opt-id{grid-column:2}.nzp-opt>.nzp-opt-text{grid-column:3}.nzp-opt>.nzp-glyph+.nzp-opt-text{grid-column:2/4}.nzp-opt>.nzp-opt-hint,.nzp-opt>.nzp-opt-tag{grid-column:4}.nzp-opt:hover{text-decoration:none}.nzp-opt[aria-selected=true]{background:var(--accent-soft)}.nzp-glyph{width:1.25rem;height:1.25rem;color:var(--muted);justify-content:center;align-items:center;display:inline-flex}.nzp-opt[aria-selected=true] .nzp-glyph{color:var(--accent)}.nzp-opt-id{min-width:2.25rem;color:var(--muted);font-variant-numeric:tabular-nums}.nzp-opt-text{flex-direction:column;gap:.1rem;min-width:0;display:flex}.nzp-opt-title{text-overflow:ellipsis;white-space:nowrap;font-size:.9375rem;font-weight:600;line-height:1.3;overflow:hidden}.nzp-opt-sub{color:var(--muted);text-overflow:ellipsis;white-space:nowrap;font-size:.8125rem;line-height:1.35;overflow:hidden}.nzp-opt-excerpt{-webkit-line-clamp:2;color:var(--ink-2);-webkit-box-orient:vertical;font-size:.8125rem;line-height:1.45;display:-webkit-box;overflow:hidden}.nzp-opt-excerpt mark{background:var(--due)}@supports (color:color-mix(in lab, red, red)){.nzp-opt-excerpt mark{background:color-mix(in srgb, var(--due) 22%, transparent)}}.nzp-opt-excerpt mark{color:inherit;border-radius:2px;padding:0 1px}.nzp-opt-tag{color:var(--muted);white-space:nowrap}.nzp-opt-term{min-height:2.25rem;padding-block:.3rem}.nzp-def{background:var(--bg);border:1px solid var(--line);border-radius:.7rem;margin:.5rem .125rem .25rem;padding:.9rem 1rem .95rem}.nzp-def-head{align-items:center;gap:.55rem;display:flex}.nzp-def-head .nzp-glyph{color:var(--info)}.nzp-def-term{letter-spacing:-.01em;flex:1;min-width:0;margin:0;font-size:1.125rem;font-weight:750;line-height:1.25}.nzp-def-gl{flex:none;font-size:.8125rem;font-weight:600}.nzp-def-text{color:var(--ink);max-width:36rem;margin:.45rem 0 0;font-size:.9375rem;line-height:1.6}.nzp-def-facts{border-top:1px solid var(--line);gap:.5rem;margin:.8rem 0 0;padding-top:.75rem;display:grid}.nzp-def-row{grid-template-columns:5.75rem minmax(0,1fr);align-items:baseline;gap:.75rem;display:grid}.nzp-def-row dt{color:var(--muted);font-size:.75rem;font-weight:650}.nzp-def-row dd{min-width:0;margin:0;font-size:.8125rem;line-height:1.45}.nzp-lesson-link{color:var(--ink);align-items:baseline;gap:.4rem;text-decoration:none;display:inline-flex}.nzp-lesson-link:hover span:last-child{color:var(--accent);text-decoration:underline}.nzp-lesson-link .t-id{color:var(--muted);font-size:.72rem}.nzp-also{flex-wrap:wrap;align-items:center;gap:.3rem;display:flex}.nzp-also-link{border:1px solid var(--line);background:var(--surface);min-height:1.5rem;color:var(--ink-2);border-radius:.35rem;align-items:center;padding:0 .45rem;font-size:.72rem;text-decoration:none;transition:border-color .14s,color .14s;display:inline-flex}.nzp-also-link:hover{border-color:var(--line-input);color:var(--accent);text-decoration:none}.nzp-more{color:var(--muted);flex:none;margin-left:.15rem;font-size:.75rem;text-decoration:none}.nzp-more:hover{color:var(--accent);text-decoration:underline}.nzp-chips{flex-wrap:wrap;gap:.35rem;display:flex}.nzp-chip{border:1px solid var(--line-input);background:var(--surface);min-height:1.625rem;color:var(--ink-2);font:inherit;cursor:pointer;border-radius:999px;align-items:center;padding:0 .6rem;font-size:.75rem;font-weight:600;transition:background-color .14s,color .14s;display:inline-flex}.nzp-chip:hover{background:var(--surface-2);color:var(--ink)}.nzp-src{gap:.3rem;margin:0;padding:0;list-style:none;display:grid}.nzp-src a{color:var(--ink);text-decoration:underline;-webkit-text-decoration-color:var(--line-input);-webkit-text-decoration-color:var(--line-input);text-decoration-color:var(--line-input)}.nzp-src a:hover{color:var(--accent);text-decoration-color:currentColor}.nzp-src-meta{color:var(--muted);font-size:.75rem}.nzp-src li{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.nzp-src-more>summary{cursor:pointer;color:var(--ink-2);border-radius:.3rem;align-items:center;gap:.2rem;font-size:.8125rem;list-style:none;display:inline-flex}.nzp-src-more>summary::-webkit-details-marker{display:none}.nzp-src-more>summary:hover{color:var(--accent)}.nzp-src-more>summary .nzp-glyph{color:currentColor;width:.875rem;height:.875rem;transition:transform .16s var(--ease);transform:rotate(90deg)}.nzp-src-more[open]>summary{margin-bottom:.3rem}.nzp-src-more[open]>summary .nzp-glyph{transform:rotate(-90deg)}.nzp-foot{border-top:1px solid var(--line);color:var(--muted);flex:none;align-items:center;gap:1rem;padding:.55rem .9rem;font-size:.75rem;display:flex}.nzp-foot>span{align-items:center;gap:.3rem;display:inline-flex}.nzp-foot .kbd{min-width:1.25rem;height:1.25rem}.nzp-foot-link{margin-left:auto;font-weight:600}@media (width<=767px){.nzp-foot>span{display:none}.nz-palette{max-height:calc(100dvh - 2rem);inset-block-start:1rem}}.nz-search-page{--pf-font:var(--font-sans);--pf-text:var(--ink);--pf-text-secondary:var(--ink-2);--pf-text-muted:var(--muted);--pf-background:var(--surface);--pf-border:var(--line-input);--pf-border-focus:var(--accent);--pf-skeleton:var(--surface-2);--pf-skeleton-shine:var(--surface-3);--pf-hover:var(--surface-2);--pf-mark:var(--ink);--pf-scroll-shadow:var(--line);--pf-outline-focus:var(--accent);--pf-shadow-sm:var(--shadow-float);--pf-shadow-md:var(--shadow-float);--pf-shadow-lg:var(--shadow-raised);--pf-error-bg:var(--danger)}@supports (color:color-mix(in lab, red, red)){.nz-search-page{--pf-error-bg:color-mix(in srgb, var(--danger) 10%, var(--surface))}}.nz-search-page{--pf-error-border:var(--danger)}@supports (color:color-mix(in lab, red, red)){.nz-search-page{--pf-error-border:color-mix(in srgb, var(--danger) 40%, var(--line))}}.nz-search-page{--pf-error-text:var(--danger);--pf-error-text-secondary:var(--danger);--pf-border-radius:var(--radius-control);--pf-input-height:2.75rem;--pf-input-font-size:1rem;--pf-result-title-font-size:.9375rem;--pf-result-excerpt-font-size:.875rem;--pf-summary-font-size:.8125rem;--pf-searchbox-max-width:100%;--pf-dropdown-z-index:var(--z-popover)}.nz-search-page mark{background:var(--due)}@supports (color:color-mix(in lab, red, red)){.nz-search-page mark{background:color-mix(in srgb, var(--due) 22%, transparent)}}.nz-search-page mark{color:inherit}@media (width>=768px){.nz-search-page{max-width:52rem;min-height:calc(100dvh - var(--header-h) - 8rem)}.nz-search-page>h1,.nz-search-lede{max-width:var(--measure)}.nz-search-page{--pf-input-height:3rem;--pf-input-font-size:1.0625rem;--pf-results-gap:0;--pf-summary-font-size:.8125rem}.nz-fts-try{color:var(--muted);margin:.75rem 0 0}.nz-fts-try a{font-weight:600}.nz-fts:has(input:not(:placeholder-shown)) .nz-fts-try{display:none}.nz-fts-hit{border-bottom:1px solid var(--line);font-family:var(--font-sans);color:var(--ink);grid-template-columns:minmax(0,1fr) auto;column-gap:1.5rem;padding:1rem 0;display:grid}.nz-fts-title{color:var(--ink);grid-column:1;font-size:1rem;font-weight:600;line-height:1.35;text-decoration:none}.nz-fts-title:hover{color:var(--accent);text-decoration:underline}.nz-fts-tag{font:.75rem/1.4 var(--font-mono);color:var(--muted);white-space:nowrap;grid-area:1/2;align-self:start;align-items:center;gap:.35rem;padding-top:.15rem;display:inline-flex}.nz-fts-glyph{color:var(--muted);display:inline-flex}.nz-fts-ex{max-width:40rem;color:var(--ink-2);-webkit-line-clamp:2;-webkit-box-orient:vertical;grid-column:1;margin:.25rem 0 0;font-size:.875rem;line-height:1.55;display:-webkit-box;overflow:hidden}.nz-fts-subs{grid-column:1/-1;gap:.4rem;min-width:0;margin:.6rem 0 0;padding:0 0 0 1rem;list-style:none;display:grid}.nz-fts-subs li{min-width:0;overflow:hidden}.nz-fts-subs a{color:var(--ink-2);font-size:.8125rem;font-weight:500;text-decoration:none}.nz-fts-subs a:hover{color:var(--accent);text-decoration:underline}.nz-fts-sub-ex{text-overflow:ellipsis;white-space:nowrap;min-width:0;color:var(--muted);font-size:.8125rem;line-height:1.5;display:block;overflow:hidden}}.lesson-complete{gap:.75rem;display:grid}.lesson-complete .lc-status{flex-wrap:wrap;align-items:center;gap:.75rem 1rem;display:flex}.lesson-complete .lc-reserve{min-height:3.25rem}.lesson-complete .lc-glyph{flex:none;display:inline-flex}.lesson-complete .lc-line{flex:14rem;min-width:0;margin:0;font-size:.9375rem;line-height:1.5}.lesson-complete .lc-sub{color:var(--ink-2)}.lesson-complete .lc-action{flex:none}.lesson-complete .lc-back{color:var(--ink-2);justify-self:start}.lesson-complete .lc-back-glyph{transform:rotate(180deg)}.lc-next{border-radius:var(--radius-slate);background:var(--scene);border:1px solid var(--scene-line);color:var(--scene-ink);grid-template-columns:auto minmax(0,1fr);align-items:center;gap:.35rem 1rem;padding:1rem 1.1rem;text-decoration:none;transition:background-color .14s;display:grid}.lc-next:hover{background:var(--scene-2);text-decoration:none}.lc-next:focus-visible{outline:2px solid var(--scene-accent);outline-offset:3px}.lc-num{border-right:1px solid var(--scene-line);min-width:4.25rem;color:var(--scene-accent);flex-direction:column;grid-row:span 2;justify-content:center;align-self:stretch;align-items:center;gap:.3rem;padding-right:1rem;display:flex}.lc-numeral{letter-spacing:-.02em;font-variant-numeric:tabular-nums;font-size:2.25rem;font-weight:800;line-height:1}.lc-id{color:var(--scene-muted)}.lc-body{flex-direction:column;gap:.3rem;min-width:0;display:flex}.lc-title{letter-spacing:-.01em;color:var(--scene-ink);text-wrap:balance;font-size:1.125rem;font-weight:750;line-height:1.25}.lc-meta{color:var(--scene-muted);flex-wrap:wrap;gap:.2rem .9rem;font-size:.8125rem;line-height:1.45;display:flex}.lc-meta svg{vertical-align:-2px;margin-right:.3rem;display:inline-block}.lc-go{border-radius:var(--radius-control);background:var(--scene-accent);min-height:2.25rem;color:var(--scene);grid-column:2;justify-self:start;align-items:center;gap:.45rem;margin-top:.35rem;padding:.45rem .9rem;font-size:.9rem;font-weight:700;display:inline-flex}:where(.prose){max-width:min(72ch,100%);font-size:1.02rem;line-height:1.65}:where(.prose) :where(h1){letter-spacing:-.01em;margin:0 0 .5rem;font-size:2rem;font-weight:700}:where(.prose) :where(h2){letter-spacing:-.01em;margin:2.2rem 0 .7rem;font-size:1.45rem;font-weight:700}:where(.prose) :where(h3){margin:1.6rem 0 .5rem;font-size:1.15rem;font-weight:650}:where(.prose) :where(p){margin:.75rem 0}:where(.prose) :where(ul,ol){margin:.75rem 0 .75rem 1.4rem}:where(.prose) :where(ul){list-style:outside}:where(.prose) :where(ol){list-style:decimal}:where(.prose) :where(li){margin:.25rem 0}:where(.prose) :where(table){border-collapse:collapse;width:100%;margin:1rem 0;font-size:.93rem;display:block;overflow-x:auto}:where(.prose) :where(th,td){border:1px solid var(--line);text-align:left;vertical-align:top;padding:.4rem .6rem}:where(.prose) :where(th){background:var(--surface-2);font-weight:650}:where(.prose) :where(blockquote){border-left:1px solid var(--line);color:var(--muted);margin:1rem 0;padding:.2rem 1rem}:where(.prose) :where(hr){border:0;border-top:1px solid var(--line);margin:2rem 0}:where(.prose) :where(strong){font-weight:650}.tbl-wrap{max-width:100%;overflow-x:auto}.code-bar{display:none}.code-frame,.leads{min-width:0}sup.cite{white-space:nowrap}sup.cite a{text-decoration:none}a.gl-term{color:inherit;text-decoration:underline 1px dotted}@supports (color:color-mix(in lab, red, red)){a.gl-term{-webkit-text-decoration-color:color-mix(in srgb, currentColor 55%, transparent);-webkit-text-decoration-color:color-mix(in srgb, currentColor 55%, transparent);text-decoration-color:color-mix(in srgb, currentColor 55%, transparent)}}a.gl-term{text-underline-offset:.22em}a.gl-term:hover{color:var(--accent);text-decoration-style:solid;text-decoration-color:currentColor}a.gl-term[aria-expanded=true]{color:var(--accent);text-decoration-color:currentColor}.nz-pop{width:22rem}.nz-pop p{margin:0}.nz-pop .nz-pop-meta{color:var(--muted);font-variant-numeric:tabular-nums;align-items:center;gap:.4rem;font-size:.75rem;font-weight:600;line-height:1.3;display:flex}.nz-pop[data-kind=cite] .nz-pop-meta:before{content:"";width:.95rem;height:.95rem;-webkit-mask:var(--nz-i-file) center / contain no-repeat;-webkit-mask:var(--nz-i-file) center / contain no-repeat;-webkit-mask:var(--nz-i-file) center / contain no-repeat;mask:var(--nz-i-file) center / contain no-repeat;background:currentColor;flex:none}.nz-pop .nz-pop-title{color:var(--ink);overflow-wrap:anywhere;margin-top:.35rem;font-size:.9375rem;font-weight:700;line-height:1.35}.nz-pop[data-kind=term] .nz-pop-title{margin-top:0;font-size:1rem}.nz-pop .nz-pop-sub{color:var(--muted);font-variant-numeric:tabular-nums;margin-top:.25rem;font-size:.8125rem}.nz-pop .nz-pop-def{color:var(--ink-2);margin-top:.4rem;font-size:.875rem;line-height:1.55}.nz-pop .nz-pop-actions{border-top:1px solid var(--line);flex-wrap:wrap;gap:.35rem 1rem;margin-top:.7rem;padding-top:.6rem;display:flex}.nz-pop .nz-pop-actions a{min-height:1.75rem;color:var(--accent);align-items:center;gap:.3rem;font-size:.8125rem;font-weight:650;text-decoration:none;display:inline-flex}.nz-pop .nz-pop-actions a:hover{text-decoration:underline}.nz-pop .nz-pop-actions a[target=_blank]:after{content:"";width:.8rem;height:.8rem;-webkit-mask:var(--nz-i-ext) center / contain no-repeat;-webkit-mask:var(--nz-i-ext) center / contain no-repeat;-webkit-mask:var(--nz-i-ext) center / contain no-repeat;mask:var(--nz-i-ext) center / contain no-repeat;background:currentColor}body.flow-active .nz-pop .nz-pop-actions a[href^=\#]{display:none}.nz-sr{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@media (width<=767px){:where(.prose) li>p.expected.run{margin:0}sup.cite{margin-left:.125rem}sup.cite a{color:var(--accent);font-size:.75rem;line-height:1rem}sup.cite a:before{content:"["}sup.cite a:after{content:"]"}}@media (width>=768px){:where(.lesson-main) :where(.prose){font-size:1.0625rem;line-height:1.7}:where(.prose) :where(p){margin:0 0 1.05em}:where(.prose) :where(p:first-child){margin-top:0}:where(.prose) :where(h3){letter-spacing:-.01em;color:var(--ink);text-wrap:balance;margin:2.25rem 0 .55rem;font-size:1.2rem;font-weight:700;line-height:1.3}:where(.prose) :where(h4){margin:1.75rem 0 .4rem;font-size:1.0625rem;font-weight:700;line-height:1.35}:where(.prose) :where(ul,ol){margin:0 0 1.05em;padding-left:1.5rem}:where(.prose) :where(li){margin:0;padding-left:.2rem}:where(.prose) :where(li+li){margin-top:.45em}:where(.prose) :where(li>ul,li>ol){margin:.45em 0 0}:where(.prose) :where(ul>li)::marker{color:var(--faint)}:where(.prose) :where(ol>li)::marker{color:var(--muted);font-variant-numeric:tabular-nums;font-weight:650}:where(.prose) :where(strong){color:var(--ink);font-weight:700}:where(.prose) :where(p,li,td,blockquote)>a:where(:not([class])){text-decoration:underline;-webkit-text-decoration-color:var(--accent);-webkit-text-decoration-color:var(--accent);text-decoration-color:var(--accent)}@supports (color:color-mix(in lab, red, red)){:where(.prose) :where(p,li,td,blockquote)>a:where(:not([class])){-webkit-text-decoration-color:color-mix(in srgb, var(--accent) 40%, transparent);-webkit-text-decoration-color:color-mix(in srgb, var(--accent) 40%, transparent);text-decoration-color:color-mix(in srgb, var(--accent) 40%, transparent)}}:where(.prose) :where(p,li,td,blockquote)>a:where(:not([class])){text-underline-offset:.2em;overflow-wrap:anywhere}:where(.prose) :where(p,li,td,blockquote)>a:where(:not([class])):hover{text-decoration-color:currentColor}:where(.prose .prose){max-width:none}:where(.prose .prose)>:where(p,blockquote,h3,h4,.leads){max-width:var(--measure)}:where(.prose) :not(pre)>code:where(.nowrap,.long){background:var(--surface-2);border:1px solid var(--line);border-radius:.3rem;padding:.06em .34em;font-size:.86em}:where(.prose) code.nowrap{white-space:nowrap;overflow-wrap:normal}:where(.prose) code.long{overflow-wrap:break-word;word-break:normal;-webkit-box-decoration-break:clone;box-decoration-break:clone;border-color:#0000}:where(.prose) h3.sub-h{margin-top:2.5rem}:where(.prose) :where(blockquote){border-radius:var(--radius-term);background:var(--surface-2);color:var(--ink-2);border:0;margin:1.25rem 0 1.5rem;padding:.95rem 1.2rem;font-size:.97em;line-height:1.65}:where(.prose) :where(blockquote)>:where(:first-child){margin-top:0}:where(.prose) :where(blockquote)>:where(:last-child){margin-bottom:0}:where(.prose) blockquote.email{border:1px solid var(--line);background:var(--surface);padding-top:0}html.dark :where(.prose) blockquote.email{background:var(--raised)}:where(.prose) blockquote.email>.email-subject{border-bottom:1px solid var(--line);color:var(--ink);margin:0 -1.2rem .9rem;padding:.7rem 1.2rem;font-weight:700}:where(.prose) .email-k{color:var(--muted);margin-right:.15rem;font-weight:600}:where(.prose) .tbl-wrap{--nz-paper:var(--bg);margin:1.5rem 0 1.75rem}:where([data-pane],.lab) .tbl-wrap{--nz-paper:var(--surface)}:where(.prose) .tbl-wrap>table{border-collapse:separate;border-spacing:0;font-variant-numeric:tabular-nums;border-top:1px solid var(--line-2);width:100%;min-width:100%;margin:0;font-size:.9375rem;line-height:1.5;display:table}:where(.prose) .tbl-wrap :is(th,td){border:0;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;background:0 0;padding:.6rem .9rem}:where(.prose) .tbl-wrap :is(th,td):first-child{padding-left:.25rem}:where(.prose) .tbl-wrap thead th{color:var(--ink-2);border-bottom-color:var(--line-2);text-wrap:balance;vertical-align:bottom;padding-block:.6rem .55rem;font-size:.8125rem;font-weight:650;line-height:1.3}:where(.prose) .tbl-wrap td.term{color:var(--ink);font-weight:650}:where(.prose) .tbl-wrap td.term>code{font-weight:500}:where(.prose) .tbl-wrap tbody tr{transition:background-color .14s}:where(.prose) .tbl-wrap tbody tr:hover{background:var(--surface-2)}@supports (color:color-mix(in lab, red, red)){:where(.prose) .tbl-wrap tbody tr:hover{background:color-mix(in srgb, var(--surface-2) 70%, transparent)}}:where(.prose) .tbl-wrap[data-shape=compare] :is(th,td){padding-block:.75rem}:where(.prose) .tbl-wrap[data-shape=compare] td.term{font-size:1rem}:where(.prose) .tbl-wrap[data-shape=data]>table{font-size:.9rem}:where(.prose) .tbl-wrap[data-scroll]{overscroll-behavior-inline:contain;max-height:70vh;overflow:auto}:where(.prose) .tbl-wrap[data-scroll] thead th{z-index:1;background:var(--nz-paper);box-shadow:inset 0 -1px 0 var(--line-2);position:sticky;top:0}:where(.prose) .tbl-wrap[data-nz-region]:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:2px}:where(.prose) .tbl-wrap td.idx{white-space:nowrap;width:1%;color:var(--muted);font-weight:600}:where(.prose) .tbl-wrap td[data-v]:before{content:"";vertical-align:-.12em;background:var(--muted);width:.95em;height:.95em;-webkit-mask:var(--nz-i-x) center / contain no-repeat;-webkit-mask:var(--nz-i-x) center / contain no-repeat;-webkit-mask:var(--nz-i-x) center / contain no-repeat;mask:var(--nz-i-x) center / contain no-repeat;margin-right:.4em;display:inline-block}:where(.prose) .tbl-wrap td[data-v=yes]:before{background:var(--info);-webkit-mask-image:var(--nz-i-check);-webkit-mask-image:var(--nz-i-check);-webkit-mask-image:var(--nz-i-check);mask-image:var(--nz-i-check)}:where(.prose) .tbl-wrap td[data-v=depends]:before{background:var(--due);-webkit-mask-image:var(--nz-i-fork);-webkit-mask-image:var(--nz-i-fork);-webkit-mask-image:var(--nz-i-fork);mask-image:var(--nz-i-fork)}:where(.prose) .tbl-wrap{background-image:linear-gradient(to right, var(--nz-paper) 30%, transparent), linear-gradient(to left, var(--nz-paper) 30%, transparent), radial-gradient(farthest-side at 0 50%, var(--ink), transparent), radial-gradient(farthest-side at 100% 50%, var(--ink), transparent)}@supports (color:color-mix(in lab, red, red)){:where(.prose) .tbl-wrap{background-image:linear-gradient(to right, var(--nz-paper) 30%, transparent), linear-gradient(to left, var(--nz-paper) 30%, transparent), radial-gradient(farthest-side at 0 50%, color-mix(in srgb, var(--ink) 14%, transparent), transparent), radial-gradient(farthest-side at 100% 50%, color-mix(in srgb, var(--ink) 14%, transparent), transparent)}}:where(.prose) .tbl-wrap{background-position:0,100%,0,100%;background-repeat:no-repeat;background-size:2.5rem 100%,2.5rem 100%,.8rem 100%,.8rem 100%;background-attachment:local,local,scroll,scroll}:where(.prose) .code-frame{border:1px solid var(--line);border-radius:var(--radius-term);background:var(--code-bg);margin:1.1rem 0 1.35rem}:where(.prose) :where(li)>.code-frame{margin:.6rem 0 .75rem}.code-frame>.code-bar{border-bottom:1px solid var(--line);border-radius:calc(var(--radius-term) - 1px) calc(var(--radius-term) - 1px) 0 0;align-items:center;gap:.5rem;min-height:2.25rem;padding:.2rem .35rem .2rem .95rem;display:flex}.code-frame .code-lang{font-family:var(--font-mono);color:var(--muted);font-size:.72rem;font-weight:600;line-height:1}.code-frame .code-file{min-width:0;font-family:var(--font-mono);color:var(--ink);overflow-wrap:anywhere;align-items:center;gap:.4rem;font-size:.78rem;font-weight:650;line-height:1.2;display:inline-flex}.code-frame .code-file:before{content:"";background:var(--ink-2);width:.9rem;height:.9rem;-webkit-mask:var(--nz-i-file) center / contain no-repeat;-webkit-mask:var(--nz-i-file) center / contain no-repeat;-webkit-mask:var(--nz-i-file) center / contain no-repeat;mask:var(--nz-i-file) center / contain no-repeat;flex:none}.code-frame .code-file+.code-lang:before{content:"·" / "";margin-right:.5rem}.code-frame .code-copy{height:1.75rem;color:var(--ink-2);font-family:var(--font-sans);cursor:pointer;background:0 0;border:1px solid #0000;border-radius:.4rem;align-items:center;gap:.35rem;margin-left:auto;padding:0 .6rem;font-size:.75rem;font-weight:650;line-height:1;transition:background-color .14s,color .14s;display:inline-flex}.code-frame .code-copy:before{content:"";width:.875rem;height:.875rem;-webkit-mask:var(--nz-i-copy) center / contain no-repeat;-webkit-mask:var(--nz-i-copy) center / contain no-repeat;-webkit-mask:var(--nz-i-copy) center / contain no-repeat;mask:var(--nz-i-copy) center / contain no-repeat;background:currentColor}.code-frame .code-copy:hover{background:var(--surface-2);color:var(--ink)}.code-frame .code-copy[data-state=copied]{color:var(--info)}.code-frame .code-copy[data-state=copied]:before{-webkit-mask-image:var(--nz-i-check);-webkit-mask-image:var(--nz-i-check);-webkit-mask-image:var(--nz-i-check);mask-image:var(--nz-i-check)}.code-frame .code-copy[data-state=failed]{color:var(--danger)}.code-frame>pre{--cover:var(--code-bg);--shade:var(--ink)}@supports (color:color-mix(in lab, red, red)){.code-frame>pre{--shade:color-mix(in srgb, var(--ink) 16%, transparent)}}.code-frame>pre{border-radius:0 0 calc(var(--radius-term) - 1px) calc(var(--radius-term) - 1px);tab-size:2;scrollbar-width:thin;background-image:linear-gradient(to right, var(--cover) 30%, transparent), linear-gradient(to left, var(--cover) 30%, transparent), radial-gradient(farthest-side at 0 50%, var(--shade), transparent), radial-gradient(farthest-side at 100% 50%, var(--shade), transparent);background-position:0,100%,0,100%;background-repeat:no-repeat;background-size:2.5rem 100%,2.5rem 100%,.8rem 100%,.8rem 100%;background-attachment:local,local,scroll,scroll;border:0;margin:0;padding:.85rem 1.1rem .95rem;font-size:.84rem;line-height:1.6}.code-frame>pre:focus-visible{outline-offset:-2px}.code-frame>pre code{font-size:inherit}.code-frame.term{background:var(--term-bg);border-color:var(--term-line);color-scheme:dark}.code-frame.term>.code-bar{background:var(--term-bar);border-bottom-color:var(--term-line)}.code-frame.term .code-lang{color:var(--term-muted)}.code-frame.term .code-copy{color:var(--term-ink)}.code-frame.term .code-copy:hover{background:var(--term-ink)}@supports (color:color-mix(in lab, red, red)){.code-frame.term .code-copy:hover{background:color-mix(in srgb, var(--term-ink) 10%, transparent)}}.code-frame.term .code-copy:hover{color:var(--term-ink)}.code-frame.term .code-copy[data-state=copied]{color:var(--term-ok)}.code-frame.term>pre{--cover:var(--term-bg);--shade:var(--term-ink)}@supports (color:color-mix(in lab, red, red)){.code-frame.term>pre{--shade:color-mix(in srgb, var(--term-ink) 24%, transparent)}}.code-frame.term>pre{color:var(--term-ink);scrollbar-color:var(--term-ink) transparent}@supports (color:color-mix(in lab, red, red)){.code-frame.term>pre{scrollbar-color:color-mix(in srgb, var(--term-ink) 28%, transparent) transparent}}:where(.prose) p.expected{padding-left:1.65rem;position:relative}:where(.prose) p.expected:before{content:"";background:var(--info);width:1.1rem;height:1.1rem;-webkit-mask:var(--nz-i-checkc) center / contain no-repeat;-webkit-mask:var(--nz-i-checkc) center / contain no-repeat;-webkit-mask:var(--nz-i-checkc) center / contain no-repeat;mask:var(--nz-i-checkc) center / contain no-repeat;position:absolute;top:calc(.85em - .55rem);left:0}:where(.prose) .exp-label{color:var(--ink);font-weight:700}:where(.prose) :where(li)>p.expected{margin:.5rem 0 .25rem}.code-frame:has(+.expected){border-bottom-right-radius:0;border-bottom-left-radius:0;margin-bottom:0}.code-frame:has(+.expected)>pre{border-radius:0}:where(.prose) .code-frame+p.expected{border:1px solid var(--line);border-top:1px dashed var(--line-2);border-radius:0 0 var(--radius-term) var(--radius-term);background:var(--surface-2);color:var(--ink-2);margin-top:0;margin-bottom:1.1rem;padding:.6rem 1rem .7rem;font-size:.9375rem;line-height:1.55}:where(.prose) .code-frame+p.expected:before{display:none}:where(.prose) .code-frame+p.expected>.exp-label{color:var(--muted);margin-bottom:.1rem;font-size:.75rem;font-weight:650;line-height:1.3;display:block}:where(.prose) .code-frame.term+p.expected{background:var(--term-bar);border-color:var(--term-line);border-top:1px solid var(--term-line);color:var(--term-ink);font-size:.9rem}:where(.prose) .code-frame.term+p.expected>.exp-label{color:var(--term-muted)}:where(.prose) .code-frame.term+p.expected :where(a,sup.cite a){color:var(--scene-accent)}:where(.prose) .code-frame.term+p.expected code:where(.nowrap,.long){background:var(--term-ink)}@supports (color:color-mix(in lab, red, red)){:where(.prose) .code-frame.term+p.expected code:where(.nowrap,.long){background:color-mix(in srgb, var(--term-ink) 9%, transparent)}}:where(.prose) .code-frame.term+p.expected code:where(.nowrap,.long){border-color:var(--term-line);color:var(--term-ink)}:where(.prose) .code-frame.term+p.expected strong{color:var(--term-ink)}:where(.prose) .code-frame.term+p.expected sup.cite,:where(.prose) .code-frame.term+p.expected sup.cite a{color:var(--term-muted)}:where(.prose) .code-frame.term+p.expected sup.cite a:is(:hover,:focus-visible,[aria-expanded=true]){color:var(--term-ink)}:where(.prose) .expected .lab-if{border-top:1px solid var(--due);margin-top:.45rem;padding:.45rem 0 0 1.4rem;display:block;position:relative}@supports (color:color-mix(in lab, red, red)){:where(.prose) .expected .lab-if{border-top:1px solid color-mix(in srgb, var(--due) 45%, transparent)}}:where(.prose) .expected .lab-if:before{content:"";background:var(--due);width:.95rem;height:.95rem;-webkit-mask:var(--nz-i-alert) center / contain no-repeat;-webkit-mask:var(--nz-i-alert) center / contain no-repeat;-webkit-mask:var(--nz-i-alert) center / contain no-repeat;mask:var(--nz-i-alert) center / contain no-repeat;position:absolute;top:calc(.775em - .025rem);left:0}:where(.prose) .leads{margin-block:1.35rem 1.6rem}:where(.prose) .leads>p{border-top:1px solid var(--line);margin:0;padding:.8rem 0 .85rem}:where(.prose) .leads>p:last-child{border-bottom:1px solid var(--line)}:where(.prose) .leads>p>strong:first-child{color:var(--ink);font-weight:700}:where(.prose) p.remember{border-block:1px solid var(--line);text-wrap:pretty;margin-block:1.5rem 1.6rem;padding:.85rem 0 .9rem 1.9rem;font-size:1.0625rem;line-height:1.55;position:relative}:where(.prose) p.remember:before{content:"";background:var(--ink-2);width:1.125rem;height:1.125rem;-webkit-mask:var(--nz-i-bookmark) center / contain no-repeat;-webkit-mask:var(--nz-i-bookmark) center / contain no-repeat;-webkit-mask:var(--nz-i-bookmark) center / contain no-repeat;mask:var(--nz-i-bookmark) center / contain no-repeat;position:absolute;top:calc(.775em + .2875rem);left:.1rem}:where(.prose) p.lead-h{text-wrap:balance;margin:1.75rem 0 .45rem;font-size:1.0625rem;line-height:1.45}:where(.prose) p.lead-h:first-child{margin-top:0}:where(.prose) p.lead-h>strong{color:var(--ink);font-weight:700}:where(.prose) ol.how{margin-block:1.35rem 1.6rem;padding-left:0;list-style:none}:where(.prose) ol.how>li{margin:0;padding:0 0 1rem 2.75rem;position:relative}:where(.prose) ol.how>li:before{content:counter(list-item);border:1px solid var(--line-input);background:var(--bg);width:1.75rem;height:1.75rem;color:var(--ink);font-variant-numeric:tabular-nums;border-radius:999px;place-items:center;font-size:.8125rem;font-weight:700;line-height:1;display:grid;position:absolute;top:calc(.85em - .875rem);left:0}:where(.prose) ol.how>li:not(:last-child):after{content:"";border-left:1px solid var(--line-2);position:absolute;top:calc(.85em + 1.075rem);bottom:.2rem;left:calc(.875rem - .5px)}:where(.prose) ol.how>li:last-child{padding-bottom:0}:where(.prose) strong.unverified{border:1px solid var(--due);padding:0 .45rem;display:inline-block}@supports (color:color-mix(in lab, red, red)){:where(.prose) strong.unverified{border:1px solid color-mix(in srgb, var(--due) 60%, var(--line))}}:where(.prose) strong.unverified{background:var(--due);border-radius:999px}@supports (color:color-mix(in lab, red, red)){:where(.prose) strong.unverified{background:color-mix(in srgb, var(--due) 9%, transparent)}}:where(.prose) strong.unverified{color:var(--due);letter-spacing:.02em;vertical-align:.08em;white-space:nowrap;font-size:.75rem;font-weight:700;line-height:1.55}.story-body>p.keyline{border-top:1px solid var(--line);text-wrap:pretty;margin-block:1.35rem .25rem;padding-top:1rem;font-size:1.125rem;line-height:1.5}.story-body>p.keyline>strong{color:var(--nz-ink,var(--ink));font-weight:750}.story-body>p.fae-say{flex-direction:column;gap:.55rem;margin-block:1.35rem 1.1rem;display:flex}.story-body>p.fae-say>.fae-say-quote{border:1px solid var(--accent);order:1;padding:.9rem 1.15rem;position:relative}@supports (color:color-mix(in lab, red, red)){.story-body>p.fae-say>.fae-say-quote{border:1px solid color-mix(in srgb, var(--accent) 45%, var(--line))}}.story-body>p.fae-say>.fae-say-quote{background:var(--surface);color:var(--ink);border-radius:16px 16px 16px 4px;font-size:1.0625rem;line-height:1.6}html.dark .story-body>p.fae-say>.fae-say-quote{background:var(--raised)}.story-body>p.fae-say>.fae-say-quote:after{content:"";background:inherit;border-right:1px solid var(--accent);width:11px;height:11px;position:absolute;bottom:-6px;left:28px}@supports (color:color-mix(in lab, red, red)){.story-body>p.fae-say>.fae-say-quote:after{border-right:1px solid color-mix(in srgb, var(--accent) 45%, var(--line))}}.story-body>p.fae-say>.fae-say-quote:after{border-bottom:1px solid var(--accent)}@supports (color:color-mix(in lab, red, red)){.story-body>p.fae-say>.fae-say-quote:after{border-bottom:1px solid color-mix(in srgb, var(--accent) 45%, var(--line))}}.story-body>p.fae-say>.fae-say-quote:after{transform:rotate(45deg)}.story-body>p.fae-say>.fae-say-lead{color:var(--ink-2);order:2;align-items:center;gap:.45rem;padding-left:44px;font-size:.8125rem;font-weight:650;line-height:1.3;display:flex}.story-body>p.fae-say>.fae-say-lead:before{content:"";background:var(--accent);width:1rem;height:1rem;-webkit-mask:var(--nz-i-message) center / contain no-repeat;-webkit-mask:var(--nz-i-message) center / contain no-repeat;-webkit-mask:var(--nz-i-message) center / contain no-repeat;mask:var(--nz-i-message) center / contain no-repeat;flex:none}sup.cite{font-variant-numeric:tabular-nums;color:var(--muted);margin-left:.08em;font-size:.72em;font-weight:600}sup.cite a{color:var(--muted);text-decoration:underline 1px dotted}@supports (color:color-mix(in lab, red, red)){sup.cite a{-webkit-text-decoration-color:color-mix(in srgb, currentColor 60%, transparent);-webkit-text-decoration-color:color-mix(in srgb, currentColor 60%, transparent);text-decoration-color:color-mix(in srgb, currentColor 60%, transparent)}}sup.cite a{text-underline-offset:.16em;border-radius:2px}sup.cite a:hover,sup.cite a:focus-visible,sup.cite a[aria-expanded=true]{color:var(--accent);text-decoration-style:solid;text-decoration-color:currentColor}sup.cite.stacked:before{content:", "}:where(.prose) :is(.code-frame,.tbl-wrap):has(+.cite-run){margin-bottom:.5rem}:where(.prose) .cite-run{color:var(--muted);margin:0 0 1.1rem;font-size:.8125rem;line-height:1.25rem}:where(.prose) .cite-run:before{content:"Source" / "";margin-right:.3em}:where(.prose) .cite-run:has(>sup.cite+sup.cite):before{content:"Sources" / ""}:where(.prose) .cite-run>sup.cite{font-size:inherit;line-height:inherit;vertical-align:baseline;margin-left:0;position:static;top:auto}}@media (width>=1440px){html:not([data-rail-left=open]) :where(.lesson-main .prose) .leads>p{border-top:0;display:flow-root;position:relative}html:not([data-rail-left=open]) :where(.lesson-main .prose) .leads>p:before{content:"";border-top:1px solid var(--line);position:absolute;top:0;left:-12.5rem;right:0}html:not([data-rail-left=open]) :where(.lesson-main .prose) .leads>p>strong:first-child{float:left;text-align:right;width:11rem;color:var(--ink);text-wrap:balance;margin-left:-12.5rem;font-size:.875rem;font-weight:650;line-height:1.80625rem}}@media (width>=1800px){html[data-rail-left=open] :where(.lesson-main .prose) .leads>p{border-top:0;display:flow-root;position:relative}html[data-rail-left=open] :where(.lesson-main .prose) .leads>p:before{content:"";border-top:1px solid var(--line);position:absolute;top:0;left:-12.5rem;right:0}html[data-rail-left=open] :where(.lesson-main .prose) .leads>p>strong:first-child{float:left;text-align:right;width:11rem;color:var(--ink);text-wrap:balance;margin-left:-12.5rem;font-size:.875rem;font-weight:650;line-height:1.80625rem}}@media (width>=1024px){:where(.lesson-main .prose) .segment>p.remember{padding-left:0}:where(.lesson-main .prose) .segment>p.remember:before{left:-1.9rem}}.lesson-main{--nz-g-layers:url("data:image/svg+xml,%3Csvg xmlns=%22http://www.w3.org/2000/svg%22 viewBox=%220 0 24 24%22 fill=%22none%22 stroke=%22black%22 stroke-width=%222%22 stroke-linecap=%22round%22 stroke-linejoin=%22round%22%3E%3Cpath d=%22M12 3l9 5-9 5-9-5z%22/%3E%3Cpath d=%22M3 12l9 5 9-5%22/%3E%3Cpath d=%22M3 16.5l9 5 9-5%22/%3E%3C/svg%3E");--nz-g-terminal:url("data:image/svg+xml,%3Csvg xmlns=%22http://www.w3.org/2000/svg%22 viewBox=%220 0 24 24%22 fill=%22none%22 stroke=%22black%22 stroke-width=%222%22 stroke-linecap=%22round%22 stroke-linejoin=%22round%22%3E%3Crect x=%223%22 y=%224%22 width=%2218%22 height=%2216%22 rx=%222%22/%3E%3Cpath d=%22M7 9l3 3-3 3%22/%3E%3Cpath d=%22M12 15h5%22/%3E%3C/svg%3E");--nz-g-quiz:url("data:image/svg+xml,%3Csvg xmlns=%22http://www.w3.org/2000/svg%22 viewBox=%220 0 24 24%22 fill=%22none%22 stroke=%22black%22 stroke-width=%222%22 stroke-linecap=%22round%22 stroke-linejoin=%22round%22%3E%3Cpath d=%22M9 4H7a2 2 0 0 0-2 2v13a2 2 0 0 0 2 2h10a2 2 0 0 0 2-2V6a2 2 0 0 0-2-2h-2%22/%3E%3Crect x=%229%22 y=%222.5%22 width=%226%22 height=%223%22 rx=%221%22/%3E%3Cpath d=%22M8.5 13l2.5 2.5 4.5-5%22/%3E%3C/svg%3E");--nz-g-checkCircle:url("data:image/svg+xml,%3Csvg xmlns=%22http://www.w3.org/2000/svg%22 viewBox=%220 0 24 24%22 fill=%22none%22 stroke=%22black%22 stroke-width=%222%22 stroke-linecap=%22round%22 stroke-linejoin=%22round%22%3E%3Ccircle cx=%2212%22 cy=%2212%22 r=%229%22/%3E%3Cpath d=%22M8 12.5l2.8 2.8L16 10%22/%3E%3C/svg%3E")}.story-body em{color:var(--muted)}.seg-num{background:var(--accent);border-radius:999px;justify-content:center;align-items:center;width:1.9rem;height:1.9rem;display:inline-flex}@supports (color:color-mix(in lab, red, red)){.seg-num{background:color-mix(in srgb, var(--accent) 12%, transparent)}}.seg-num{color:var(--accent);letter-spacing:0;vertical-align:.18em;font-variant-numeric:tabular-nums;margin-right:.6rem;font-size:.95rem;font-weight:700}.segment{margin-top:2.5rem}.segment>h2 code,.why-prompt code{font-size:.86em;font-weight:600}.ins-head{background:var(--surface-2);border-bottom:1px solid var(--line);border-radius:calc(var(--radius-sheet) - 1px) calc(var(--radius-sheet) - 1px) 0 0;flex-wrap:wrap;align-items:center;gap:.375rem .625rem;min-height:44px;padding:.375rem .625rem .375rem 1rem;display:flex}.ins-glyph{color:var(--ink-2);flex:none}.ins-name{min-width:0;color:var(--ink);font-size:.8125rem;font-weight:650;line-height:1.35}.ins-meta{color:var(--muted);font-variant-numeric:tabular-nums;margin-left:auto;font-size:.8125rem;font-weight:500;line-height:1.35}.ann{--ann-c:var(--ink-2);--ann-pt:0px;margin-block:1.75rem;position:relative}.ann-head{flex-wrap:wrap;align-items:center;gap:.15rem .45rem;margin-bottom:.5rem;display:flex}.ann-glyph{color:var(--ann-c);flex:none}.ann-label{color:var(--ann-c);font-size:.8125rem;font-weight:650;line-height:1.3}.ann-sub{color:var(--muted);align-items:center;gap:.45rem;font-size:.8125rem;font-weight:500;line-height:1.3;display:inline-flex}.ann-sub:before{content:"";background:var(--faint);border-radius:999px;width:3px;height:3px}@media (width<=767px){.ann-sub{flex-basis:100%}.ann-sub:before{display:none}}.ann-body>:first-child{margin-top:0}.ann-body>:last-child{margin-bottom:0}.ann-rule{border-block:1px solid var(--line);--ann-pt:1rem;padding-block:1rem 1.1rem}.ann-rule .ann-body{color:var(--ink);font-size:1.0625rem;font-weight:500;line-height:1.6}.ann-rule .ann-body strong{font-weight:700}.ann-frame{border:1px solid var(--ann-c);border-radius:var(--radius-control);--ann-pt:.85rem;padding:.85rem 1.1rem 1rem}.ev-sourced,.ev-mixed{--ann-c:var(--info)}.ev-estimate,.ev-unverified{--ann-c:var(--due)}.ann-steps .ann-body>ol{counter-reset:nz-step;margin:0;padding:0;list-style:none}.ann-steps .ann-body>ol>li{counter-increment:nz-step;margin:0;padding:0 0 1.15rem 2.75rem;position:relative}.ann-steps .ann-body>ol>li:last-child{padding-bottom:0}.ann-steps .ann-body>ol>li:before{content:counter(nz-step);border:1px solid var(--line-input);background:var(--surface);width:1.75rem;height:1.75rem;color:var(--ink-2);font-variant-numeric:tabular-nums;border-radius:999px;justify-content:center;align-items:center;font-size:.875rem;font-weight:700;line-height:1;display:flex;position:absolute;top:0;left:0}.ann-steps .ann-body>ol>li:after{content:"";background:var(--line);width:1px;position:absolute;top:1.85rem;bottom:.2rem;left:calc(.875rem - .5px)}.ann-steps .ann-body>ol>li:last-child:after{display:none}.compare{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sheet);margin-block:2rem}.compare-body{padding:.75rem 1rem 1rem}.compare-body>:first-child{margin-top:0}.compare-body>:last-child{margin-bottom:0}@media (width<=767px){.compare{background:0 0;border:0;border-radius:0;margin-block:0}.compare .ins-head{display:none}.compare-body{padding:0}}@media (width<=1023px){.compare .ins-meta{display:none}}.arch{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sheet);margin-block:2rem}.arch-toggle{margin-left:auto}.arch-stage{padding:.75rem 0 .25rem}.arch-svg{width:100%;height:auto;margin-inline:auto;display:block;overflow:visible}.arch-wide{display:none}.arch-tall{max-width:26rem}.arch-foot{gap:.75rem;padding:.5rem 1rem 1rem;display:grid}.arch-note{padding:.8rem 1rem}.arch-q{color:var(--ink);text-wrap:pretty;margin:0;font-size:.9375rem;line-height:1.55}.arch-meta{color:var(--muted);flex-direction:column;gap:.4rem;font-size:.8125rem;line-height:1.4;display:flex}.arch-key{align-items:center;gap:.5rem;display:inline-flex}.arch-key i{flex:none;width:1.25rem;display:inline-block}.arch-key .k-own{background:var(--accent);border-radius:2px;height:3px}.arch-key .k-off{border:1px dashed var(--line-input);border-radius:3px;height:.7rem}.arch-src{align-items:flex-start;gap:.4rem;display:inline-flex}.arch-src-glyph{flex:none;margin-top:.1rem}.arch-src a{color:var(--ink-2);text-underline-offset:.18em;text-decoration:underline 1px dotted}.arch-src a:hover{color:var(--accent)}.arch svg text{font-family:var(--font-sans)}.arch .a-frame{fill:var(--surface-2);stroke:var(--line-2);stroke-width:1px}.arch .a-region{fill:var(--surface);stroke:var(--line-2);stroke-width:1px}.arch .a-box{fill:var(--surface);stroke:var(--line-input);stroke-width:1px}.arch .a-ghost{fill:none;stroke:var(--line-input);stroke-width:1px;stroke-dasharray:4 4}.arch .a-chip{fill:var(--surface-2)}.arch .a-title{fill:var(--ink);font-size:15px;font-weight:700}.arch .a-t{fill:var(--ink);font-size:14px;font-weight:600}.arch .a-svc-t{fill:var(--ink);font-size:13px;font-weight:600}.arch .a-cap{fill:var(--muted);font-size:13px;font-weight:600}.arch .a-meta{fill:var(--muted);font-size:13px;font-weight:500}.arch .a-chip-t{fill:var(--ink-2);font-size:13px;font-weight:600}.arch .a-ghost-t{fill:var(--faint);font-size:13px;font-weight:500}.arch .a-tag{fill:var(--accent);font-size:13px;font-weight:650}.arch .a-state{fill:var(--muted);font-size:14px;font-weight:600}.arch .a-bus,.arch .a-port{stroke:var(--line-input);stroke-width:2px}.arch .a-port-end{fill:var(--surface);stroke:var(--line-input);stroke-width:2px}.arch .a-own{stroke:var(--accent);stroke-width:3px;stroke-linecap:round}.arch .a-lock rect{fill:var(--surface);stroke:var(--ink-2);stroke-width:1.6px}.arch .a-lock path{fill:none;stroke:var(--ink-2);stroke-width:1.6px;stroke-linecap:round}.arch .a-arm,.arch .a-driver{transition:stroke .2s var(--ease), stroke-width .2s var(--ease)}.arch[data-state=nic] .a-arm{fill:#0000;stroke:var(--line-input);stroke-dasharray:5 4}.arch:not([data-state=nic]) .a-arm,.arch[data-state=nic] .a-driver{stroke:var(--accent);stroke-width:2px}.arch .v-nic,.arch .v-arm,.arch .v-zt{transition:opacity .2s var(--ease)}.arch:not([data-state=nic]) .v-nic,.arch[data-state=nic] .v-arm,.arch:not([data-state=zt]) .v-zt{opacity:0}.arch .svc-move{transition:transform .9s var(--ease)}.arch:not([data-state=nic]) .svc-move{transform:translate(var(--dx), var(--dy))}@media (width<=767px){.arch .ins-head{padding-left:.75rem}.arch-toggle{margin-left:0}}@media (width>=768px){.arch{margin-block:2.5rem}.arch-stage{padding:1.25rem 1.5rem .5rem}.arch-foot{padding:.5rem 1.5rem 1.25rem}}@media (width>=1024px) and (width<=1439px){.arch-stage{padding-inline:0}}@media (width>=1024px){.arch-wide{display:block}.arch-tall{display:none}.arch-foot{grid-template-columns:minmax(0,1fr) minmax(14rem,18rem);align-items:start;gap:1.25rem}}@media (width<=767px){.story{border:1px solid var(--line);background:var(--surface);border-radius:.75rem;margin-block:2rem;padding:1.25rem}.story-opening{background:var(--accent)}@supports (color:color-mix(in lab, red, red)){.story-opening{background:color-mix(in srgb, var(--accent) 7%, var(--surface))}}.story-opening{border-color:var(--accent)}@supports (color:color-mix(in lab, red, red)){.story-opening{border-color:color-mix(in srgb, var(--accent) 30%, var(--line))}}.story-epilogue{background:var(--mastery)}@supports (color:color-mix(in lab, red, red)){.story-epilogue{background:color-mix(in srgb, var(--mastery) 7%, var(--surface))}}.story-epilogue{border-color:var(--mastery)}@supports (color:color-mix(in lab, red, red)){.story-epilogue{border-color:color-mix(in srgb, var(--mastery) 30%, var(--line))}}.story-cell,.story-ledger{display:none}.story .block-head{margin-bottom:.75rem}.story .block-head h2{letter-spacing:-.025em;font-size:1.25rem;font-weight:600;line-height:1.375}.story-body{font-size:1.02rem;line-height:1.625}.story-body p{margin:.6rem 0}.story-body p:first-child{margin-top:0}.callout{border:1px solid var(--tile);align-items:flex-start;gap:.75rem;margin-block:1rem;display:flex}@supports (color:color-mix(in lab, red, red)){.callout{border:1px solid color-mix(in srgb, var(--tile) 30%, var(--line))}}.callout{background:var(--tile)}@supports (color:color-mix(in lab, red, red)){.callout{background:color-mix(in srgb, var(--tile) 7%, var(--surface))}}.callout{border-radius:.75rem;padding:.8rem .95rem;font-size:.875rem;line-height:1.25rem}.callout .icon-tile{border-radius:.55rem;width:1.9rem;height:1.9rem;margin-top:.05rem}.callout-tile{flex:none;display:flex}.callout-main{flex:1}.callout-glyph,.callout .sub{display:none}.callout-label{color:var(--tile);margin-bottom:.15rem;font-size:.85rem;font-weight:700}.worked{margin-block:1.5rem}.wk-head{border-bottom:1px solid var(--line);background:0 0;border-radius:0;flex-wrap:wrap;align-items:center;gap:0 .25rem;min-height:0;padding:.5rem .75rem 0;font-size:.875rem;line-height:1.25rem;display:flex}.wk-title{align-items:center;gap:.5rem;width:100%;padding-block:.5rem;font-weight:600;display:inline-flex}.wk-glyph{color:var(--accent)}.wk-tabs{display:contents}.worked .tab{color:var(--muted);border-bottom:2px solid #0000;padding:.5rem .75rem}.worked .tab[aria-selected=true]{border-bottom-color:var(--accent);color:inherit;font-weight:500}.wk-n,.wk-hint{display:none}.wk-pane{padding:.75rem 1rem}.why-glyph,.why-saved-glyph{display:none}.why-tile{flex:none;display:flex}}@media (width>=640px) and (width<=767px){.wk-title{width:auto;margin-right:auto}}@media (width>=768px){.story{border-radius:var(--radius-slate);margin-block:3rem 2.5rem}.story-tile,.story-sub{display:none}.story-slate{background:var(--scene);color:var(--scene-ink);border:1px solid var(--scene-line);border-radius:var(--radius-slate) var(--radius-slate) 0 0;border-bottom:0;grid-template-rows:auto auto;grid-template-columns:5.5rem minmax(0,1fr);align-content:start;column-gap:1.5rem;padding:1.5rem 1.75rem 1.25rem;display:grid}.story-epilogue{--close-line:var(--scene-close-accent)}@supports (color:color-mix(in lab, red, red)){.story-epilogue{--close-line:color-mix(in srgb, var(--scene-close-accent) 24%, var(--scene-close))}}.story-epilogue{--close-muted:var(--scene-close-accent)}@supports (color:color-mix(in lab, red, red)){.story-epilogue{--close-muted:color-mix(in srgb, var(--scene-close-accent) 30%, var(--scene-muted))}}.story-epilogue .story-slate{background:var(--scene-close);border-color:var(--close-line)}.story-epilogue .story-cell{border-right-color:var(--close-line)}.story-epilogue .story-id{color:var(--close-muted)}.story.story-epilogue .block-head .story-ledger{border-top-color:var(--close-line);color:var(--close-muted)}.story-cell{border-right:1px solid var(--scene-line);flex-direction:column;grid-area:1/1/span 2;justify-content:flex-start;align-items:flex-start;gap:.5rem;padding-right:1rem;display:flex}.story-num{letter-spacing:-.03em;font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1;color:var(--scene-accent);font-size:3.5rem;font-weight:800;line-height:1}.story-mark{color:var(--scene-accent)}.story-epilogue .story-mark{color:var(--scene-close-accent)}.story-id{font-family:var(--font-mono);color:var(--scene-muted);font-size:.78rem;font-weight:600;line-height:1.45}.story .block-head,.story .story-titles{display:contents}.story .block-head h2{letter-spacing:-.02em;max-width:26ch;color:var(--scene-ink);text-wrap:balance;grid-area:1/2;align-self:start;margin:0;font-size:1.75rem;font-weight:800;line-height:1.12}.story .ep-pre{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.story .block-head .story-ledger{border-top:1px solid var(--scene-line);color:var(--scene-muted);flex-wrap:wrap;grid-area:2/2;gap:.35rem 1.5rem;margin:1.125rem 0 0;padding-top:.75rem;font-size:.9375rem;line-height:1.45;display:flex}.story .lg-item{align-items:flex-start;gap:.5rem;min-width:0;display:inline-flex}.story .lg-glyph{color:var(--scene-accent);flex:none;margin-top:.15rem}.story-epilogue .lg-glyph{color:var(--scene-close-accent)}.story-body{background:var(--paper-scene);border:1px solid var(--line);border-radius:0 0 var(--radius-slate) var(--radius-slate);color:var(--ink);border-top:0;padding:1.5rem 1.75rem 1.75rem;font-size:1.0625rem;line-height:1.75}.story-epilogue .story-body{background:var(--paper-close)}.story.story .story-body>*{max-width:var(--measure);margin-inline:auto}.story .story-body>p:not(.keyline,.fae-say){margin-block:0 1rem}.story .story-body>:last-child{margin-bottom:0}.segment{margin-top:4rem}.segment>h2{letter-spacing:-.016em;text-wrap:balance;margin:0 0 1rem;font-size:1.55rem;font-weight:750;line-height:1.22}.callout{background:0 0;border:0;margin-block:2rem;padding:0;display:block;position:relative}.callout-tile{display:none}.callout-head{flex-wrap:wrap;align-items:center;gap:.1rem .45rem;display:flex}.callout-glyph{color:var(--tile);flex:none}.callout-label{color:var(--tile);margin:0;font-size:.8125rem;font-weight:650;line-height:1.3}.callout .sub{color:var(--muted);margin:0;font-size:.8125rem;font-weight:500;line-height:1.3}.callout .prose-inline{color:var(--ink);font-size:1rem;line-height:1.65}.callout-fae{--bubble:var(--surface);--bubble-line:var(--accent)}@supports (color:color-mix(in lab, red, red)){.callout-fae{--bubble-line:color-mix(in srgb, var(--accent) 45%, var(--line))}}.dark .callout-fae{--bubble:var(--raised)}.callout-fae .callout-main{flex-direction:column;display:flex}.callout-fae .prose-inline{background:var(--bubble);border:1px solid var(--bubble-line);border-radius:16px 16px 16px 4px;order:0;padding:1rem 1.25rem;font-size:1.0625rem;line-height:1.65;position:relative}.callout-fae .prose-inline:before{content:"";background:var(--bubble-line);clip-path:polygon(0 0,100% 0,0 100%);width:14px;height:11px;position:absolute;top:100%;left:28px}.callout-fae .prose-inline:after{content:"";background:var(--bubble);clip-path:polygon(0 0,100% 0,0 100%);width:13px;height:10px;position:absolute;top:calc(100% - 1px);left:29px}.callout-fae .callout-head{order:1;margin-top:.8rem;padding-left:44px}.callout-fae .sub:before{content:"";background:var(--faint);vertical-align:.22em;border-radius:999px;width:3px;height:3px;margin:0 .45rem 0 .1rem;display:inline-block}.callout-fae[data-long] .callout-head{order:-1;margin:0 0 .8rem}.callout-fae[data-long] .prose-inline{border-radius:4px 16px 16px}.callout-fae[data-long] .prose-inline:before{clip-path:polygon(0 100%,100% 100%,0 0);top:auto;bottom:100%}.callout-fae[data-long] .prose-inline:after{clip-path:polygon(0 100%,100% 100%,0 0);top:auto;bottom:calc(100% - 1px)}.callout-tip{--tile:var(--info)}.callout:is(.callout-warn,.callout-note,.callout-tip) .callout-head{margin-bottom:.45rem}.callout-warn{border:1px solid var(--due);border-radius:var(--radius-control);padding:.85rem 1.1rem 1rem}.worked{margin-block:2.5rem}.wk-head{row-gap:.4rem}.wk-title{flex:16rem;align-items:center;gap:.625rem;min-width:0;display:flex}.wk-name{color:var(--ink);font-size:.8125rem;font-weight:650;line-height:1.35}.wk-tabs{background:var(--surface-2);border:1px solid var(--line-input);border-radius:.6rem;gap:.2rem;margin-left:auto;padding:.2rem;display:inline-flex}.worked .tab{min-height:2rem;color:var(--muted);white-space:nowrap;transition:background-color .16s var(--ease), color .16s var(--ease), box-shadow .16s var(--ease);border-radius:.45rem;align-items:center;gap:.45rem;padding:.3rem .75rem;font-size:.86rem;font-weight:650;display:inline-flex}.worked .tab:hover{color:var(--ink)}.worked .tab[aria-selected=true]{background:var(--surface);color:var(--ink);box-shadow:0 0 0 1px var(--line)}.wk-n{font-variant-numeric:tabular-nums;color:var(--faint);font-weight:700}.worked .tab[aria-selected=true] .wk-n{color:var(--accent)}.wk-hint{max-width:calc(var(--measure) + 4rem);color:var(--muted);margin:0 auto;padding:1.1rem 2rem 0;font-size:.8125rem;line-height:1.45}.worked .wk-pane{max-width:none;padding:.75rem 2rem 2rem}.worked .wk-pane>:not(div,.wide,.bleed,script,style),.worked .wk-pane>div>:not(.code-frame,.code-frame+.expected,.wide,.bleed,script,style){max-width:var(--measure);margin-inline:auto}.worked .wk-pane>div:not(:has([data-interactive])){container-type:inline-size}.worked .wk-pane>div:not(:has([data-interactive])) li>:is(.code-frame,.code-frame+.expected){width:calc(100% + max(0px, (100cqi - var(--measure)) / 2));max-width:none}.worked .wk-pane>div>.code-frame+.expected{padding-right:max(1rem, 100% - var(--measure))}.worked .wk-pane:focus-visible{outline-offset:-2px;border-radius:0 0 var(--radius-sheet) var(--radius-sheet)}.why{background:var(--surface);border:1px dashed var(--info);margin-block:2rem;padding:1.25rem 1.5rem 1.35rem}@supports (color:color-mix(in lab, red, red)){.why{border:1px dashed color-mix(in srgb, var(--info) 45%, var(--line))}}.why{border-radius:var(--radius-sheet)}.why.is-saved{border-style:solid;border-color:var(--line)}.why-tile{display:none}.why-q{align-items:flex-start;gap:.625rem;display:flex}.why-glyph{color:var(--info);flex:none;margin-top:.2rem}.why .why-prompt{color:var(--ink);text-wrap:pretty;margin:0;font-size:1.05rem;font-weight:650;line-height:1.45}.why .why-input{border:1px solid var(--line-input);border-radius:var(--radius-control);background:var(--surface);resize:vertical;min-height:4.75rem;transition:border-color .14s var(--ease), box-shadow .14s var(--ease);margin-top:.9rem;padding:.6rem .75rem;font-size:.975rem;line-height:1.55;display:block}.why .why-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft);outline:none}.why-actions{align-items:center;gap:.75rem;margin-top:.75rem;display:flex}.why-saved{color:var(--muted);align-items:center;gap:.3rem;font-size:.8125rem;font-weight:500;display:inline-flex}.why-saved-glyph{color:var(--info)}.why-model{background:var(--surface-2);color:var(--ink-2);border-radius:.6rem;margin-top:1rem;padding:.9rem 1.05rem;font-size:.9375rem;line-height:1.6}.why-model-label{color:var(--ink);margin-bottom:.3rem;font-size:.8125rem;font-weight:650;display:block}.why-pos{color:var(--muted);font-variant-numeric:tabular-nums;margin-left:auto;font-size:.8125rem;font-weight:500}.ann{margin-block:2rem}.compare .tbl-wrap{--nz-paper:var(--surface)}}@media (width>=1024px){.story-slate{grid-template-columns:max(5.5rem, calc((100% - var(--measure)) / 2 - 1.5rem)) minmax(0, 1fr);padding:2rem 2rem 1.5rem}.story .block-head h2{font-size:2rem}.story-body{padding:1.75rem 2rem 2rem}.segment{margin-top:6rem}.segment>h2{margin-bottom:1.25rem}.segment>h2>.seg-num{text-align:right;letter-spacing:-.02em;width:3.5rem;height:auto;color:var(--faint);vertical-align:baseline;background:0 0;border-radius:0;margin:0 1.25rem 0 -4.75rem;font-size:2.25rem;font-weight:700;line-height:1;display:inline-block}.ann-glyph,.callout:is(.callout-warn,.callout-note,.callout-tip) .callout-glyph{left:-2.125rem;top:calc(var(--ann-pt,0px) - 1px);position:absolute}.callout-warn{--ann-pt:.85rem}}@media (width>=1440px){.story-slate{grid-template-columns:max(7.5rem, calc((100% - var(--measure)) / 2 - 2rem)) minmax(0, 1fr);column-gap:2rem;padding:2rem 2.5rem 1.5rem}.story-body{padding-inline:2.5rem}}.chk{background:var(--surface);border:1px solid var(--line);border-radius:.75rem;margin-block:1.5rem;padding:1.25rem;display:block}.chk-head{align-items:center;gap:.75rem;min-width:0;display:flex}.chk-title{min-width:0;margin:0;font-size:1.125rem;font-weight:600;line-height:1.75rem}.chk-glyph{--tile:var(--accent);width:2.25rem;height:2.25rem;color:var(--tile);background:var(--tile);border-radius:.65rem;flex:none;justify-content:center;align-items:center;display:inline-flex}@supports (color:color-mix(in lab, red, red)){.chk-glyph{background:color-mix(in srgb, var(--tile) 12%, transparent)}}.chk-glyph.tone-info{--tile:var(--info)}.chk-glyph.tone-mastery{--tile:var(--mastery)}.chk-glyph.tone-due{--tile:var(--due)}.chk-meta{color:var(--muted);margin-top:.75rem;font-size:.8125rem;font-weight:500;line-height:1.4}.chk-intro{color:var(--muted);margin-top:.25rem;font-size:.875rem;line-height:1.25rem}.chk-actions{flex-wrap:wrap;align-items:center;gap:.5rem 1rem;margin-top:.75rem;display:flex}.chk-actions:empty{display:none}.chk-next,.lab-next{color:var(--accent);align-items:center;gap:.35rem;font-size:.9375rem;font-weight:600;text-decoration:none;display:inline-flex}.chk-next:hover,.lab-next:hover{text-decoration:underline}.chk-row{align-items:flex-start;gap:.75rem;display:flex}.chk-row-text{min-width:0;color:var(--muted);font-size:.875rem}.chk-row-title{color:var(--ink);font-weight:650}.chk-row-sub{color:var(--muted);margin-top:.25rem;font-size:.875rem}.q-top{color:var(--muted);justify-content:space-between;align-items:center;gap:.75rem;margin-bottom:.5rem;font-size:.75rem;line-height:1rem;display:flex}.q-bloom{border:1px solid var(--line);background:var(--surface-2);color:var(--muted);white-space:nowrap;border-radius:999px;align-items:center;padding:.1rem .6rem;font-size:.78rem;font-weight:600;display:inline-flex}.q-meter{background:var(--surface-3);border-radius:999px;height:4px;overflow:hidden}.q-meter>span,.q-calib-meter>span,.lab-meter>span{border-radius:inherit;transform-origin:0;height:100%;transition:transform .25s var(--ease);display:block}.q-meter>span{background:var(--accent)}.q-prompt{margin-bottom:.75rem;font-weight:500}.q-opts{gap:.375rem;display:grid}.q-opt{background:var(--surface);border:1px solid var(--line);cursor:pointer;transition:border-color .14s var(--ease), background-color .14s var(--ease);border-radius:.75rem;align-items:flex-start;gap:.5rem;padding:.5rem .75rem;font-size:.875rem;line-height:1.25rem;display:flex}.q-opt>input{accent-color:var(--accent);flex:none;margin-top:.125rem}.q-opt.is-sel{border-color:var(--accent)}.q-opt.is-right{border-color:var(--mastery)}.q-opt.is-wrong{border-color:var(--danger)}.q-opt-text{min-width:0}.q-opt-mark{flex:none;margin-top:.125rem;margin-left:auto}.q-opt.is-right .q-opt-mark{color:var(--mastery)}.q-opt.is-wrong .q-opt-mark{color:var(--danger)}.q-opt:has(>input:focus-visible){outline:2px solid var(--accent);outline-offset:2px}.q-key{color:var(--muted);font-variant-numeric:tabular-nums}.q-tf{gap:.5rem;display:flex}.q-tf-btn .q-key{margin-right:.25rem}.q-order{gap:.25rem;display:grid}.q-order-row{background:var(--surface);border:1px solid var(--line);border-radius:.75rem;align-items:center;gap:.5rem;padding:.375rem .75rem;font-size:.875rem;display:flex}.q-order-n{width:1.25rem;color:var(--muted)}.q-order-text{flex:1;min-width:0}.q-move{width:2rem;height:2rem}.q-recall .q-show{margin-top:.5rem}.q-hint{color:var(--muted);align-items:center;gap:.25rem;margin-top:.375rem;font-size:.7rem}.q-rate{margin-top:1rem}.q-rate-head{justify-content:space-between;align-items:baseline;gap:.75rem;display:flex}.q-rate-head .q-hint{margin-top:0}.q-rate-label{color:var(--muted);margin-bottom:.375rem;font-size:.75rem}.q-submit{flex-wrap:wrap;align-items:center;gap:.5rem .75rem;margin-top:.75rem;display:flex}.q-submit-hint{color:var(--muted);font-size:.8125rem}.q-verdict{border:1px solid var(--line);border-radius:.5rem;margin-top:1rem;padding:.75rem;font-size:.875rem}.q-verdict.is-right{border-color:var(--mastery)}.q-verdict.is-wrong{border-color:var(--danger)}.q-verdict-title{align-items:center;gap:.4rem;font-weight:600;display:flex}.q-verdict.is-right .q-verdict-title>svg{color:var(--mastery)}.q-verdict.is-wrong .q-verdict-title>svg{color:var(--danger)}.q-verdict-note{color:var(--muted);font-weight:400}.q-answer,.q-expl{margin-top:.25rem}.q-answer-label,.q-conf-key{color:var(--muted)}.btn-big[aria-pressed=true] .q-conf-key{color:inherit}.q-next{flex-wrap:wrap;align-items:center;gap:.5rem;margin-top:.75rem;display:flex}.q-next .q-hint{margin-top:0}.q-bar{margin-top:.25rem;font-size:.875rem}.q-pass{color:var(--mastery);font-weight:600}.q-fail{color:var(--due);font-weight:600}.q-review{gap:.25rem;margin-top:.75rem;padding:0;font-size:.875rem;list-style:none;display:grid}.q-review>li{align-items:flex-start;gap:.5rem;display:flex}.q-review-mark{flex:none;margin-top:.125rem}.q-review>li.is-right .q-review-mark{color:var(--mastery)}.q-review>li.is-wrong .q-review-mark,.q-review>li.is-wrong .q-review-prompt{color:var(--danger)}.q-review-prompt{min-width:0}.q-review-bloom{white-space:nowrap;color:var(--muted);margin-left:auto;padding-left:.75rem;font-size:.75rem}.q-calib-note{color:var(--muted);margin-top:.75rem;font-size:.875rem}.q-calib-cards{color:var(--muted);align-items:flex-start;gap:.5rem;margin-top:.75rem;font-size:.75rem;display:flex}.q-calib-cards>svg{color:var(--muted);flex:none;margin-top:.1rem}.q-calib-meter{background:var(--surface-3);border-radius:999px;height:6px;overflow:hidden}.q-calib-meter>span{background:var(--info)}.fx-prompt{color:var(--muted);margin-top:.75rem;font-size:.875rem}.fx-area{margin-top:.75rem}.fx-actions{flex-wrap:wrap;align-items:center;gap:.5rem;margin-top:.5rem;display:flex}.fx-mic.is-on{color:var(--accent);border-color:var(--accent)}.fx-hint,.fx-saved{color:var(--muted);font-size:.75rem}.fx-status{min-height:1rem;color:var(--muted);margin-top:.375rem;font-size:.75rem}.fx-status.is-error{color:var(--danger)}.fx-compare{border-top:1px solid var(--line);margin-top:1rem;padding-top:.75rem;font-size:.875rem}.fx-label{color:var(--muted);margin-bottom:.25rem}.fx-rate-label{margin-top:.75rem;font-size:.75rem}.fx-rate{flex-wrap:wrap;gap:.375rem;display:flex}@media (width<=767px){.fx-rate{grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.fx-rate-btn{justify-content:center}}.fx-rate-btn{padding:.25rem .625rem;font-size:.75rem}.chk.deck{justify-content:space-between;align-items:center;gap:.75rem;min-height:3.5rem;padding:1rem;font-size:.875rem;display:flex}.deck-main{align-items:center;gap:.75rem;min-width:0;display:flex}.deck-glyph{width:1.75rem;height:1.75rem;color:var(--accent);background:var(--accent);border-radius:.5rem;flex:none;justify-content:center;align-items:center;display:inline-flex}@supports (color:color-mix(in lab, red, red)){.deck-glyph{background:color-mix(in srgb, var(--accent) 12%, transparent)}}.deck-count{font-weight:600}.deck-sub{color:var(--muted)}.deck-actions{flex:none;align-items:center;gap:.5rem;display:flex}.lab{background:var(--surface);border:1px solid var(--line);border-radius:.75rem;margin-block:1.5rem;overflow:hidden}.lab-head{border-bottom:1px solid var(--line);align-items:center;gap:.5rem;padding:.75rem 1rem 0;display:flex}.lab-glyph{width:1.75rem;height:1.75rem;color:var(--accent);background:var(--accent);border-radius:.5rem;flex:none;justify-content:center;align-items:center;display:inline-flex}@supports (color:color-mix(in lab, red, red)){.lab-glyph{background:color-mix(in srgb, var(--accent) 12%, transparent)}}.lab-glyph svg{width:16px;height:16px}.lab-title{margin:0 auto 0 0;font-size:1.125rem;font-weight:600;line-height:1.75rem}.lab-safety,.lab-progress,.lab-next{display:none}.lab-env{display:flex}.lab-env>button{color:var(--muted);white-space:nowrap;cursor:pointer;background:0 0;border:0;border-bottom:2px solid #0000;align-items:center;gap:.375rem;margin-bottom:-1px;padding:.5rem .75rem;font-size:.875rem;font-weight:500;line-height:1.25rem;display:inline-flex}.lab-env>button[aria-pressed=true]{border-bottom-color:var(--accent);color:var(--ink)}.lab-warn{border:1px solid var(--due);background:var(--due);border-radius:.5rem;margin:1rem}@supports (color:color-mix(in lab, red, red)){.lab-warn{background:color-mix(in srgb, var(--due) 10%, transparent)}}.lab-warn{padding:.75rem;font-size:.875rem}.lab-evidence{border-top:1px solid var(--line);padding:.75rem 1rem}.lab-evidence-label{color:var(--muted);font-size:.75rem}.lab-notes{margin-top:.25rem}.lab-evidence-actions{flex-wrap:wrap;align-items:center;gap:.5rem;margin-top:.5rem;display:flex}.lab-saved{color:var(--muted);font-size:.75rem}.lab .lab-done{color:var(--mastery);background:var(--mastery)}@supports (color:color-mix(in lab, red, red)){.lab .lab-done{background:color-mix(in srgb, var(--mastery) 12%, var(--surface))}}.lab .lab-done{border-color:var(--mastery)}@supports (color:color-mix(in lab, red, red)){.lab .lab-done{border-color:color-mix(in srgb, var(--mastery) 45%, var(--line))}}.lab .lab-done:hover{background:var(--mastery)}@supports (color:color-mix(in lab, red, red)){.lab .lab-done:hover{background:color-mix(in srgb, var(--mastery) 18%, var(--surface))}}.lab .lab-check{display:none}.src{margin-block:2rem;font-size:.875rem}.src-head{align-items:center;gap:.75rem;margin-bottom:.25rem;display:flex}.src-title{margin:0;font-size:1.125rem;font-weight:600;line-height:1.75rem}.src-verify{color:var(--muted);margin-bottom:.5rem;font-size:.75rem;line-height:1rem}.src-list{margin-left:1.25rem;list-style:decimal}.src-list>li+li{margin-top:.25rem}.src-meta{color:var(--muted)}.src-tail{white-space:nowrap}.see{background:var(--surface);border:1px solid var(--line);border-radius:.75rem;margin-block:2rem;padding:1.25rem}.see-head{align-items:center;gap:.75rem;min-width:0;display:flex}.see-title{margin:0;font-size:1.125rem;font-weight:600;line-height:1.75rem}.see-sub{color:var(--muted);margin-top:.1rem;font-size:.8rem}.see-list{margin-top:.75rem;padding:0;list-style:none}.see-list>li+li{border-top:1px solid var(--line)}.see-tile{align-items:flex-start;gap:.75rem;min-height:2.75rem;padding-block:.75rem;text-decoration:none;display:flex}.see-name{font-weight:600;display:block}.see-tile:hover .see-name{text-decoration:underline}.see-why{color:var(--muted);margin-top:.125rem;font-size:.75rem;display:block}.cp-h1{letter-spacing:-.025em;font-size:1.875rem;font-weight:700;line-height:2.25rem}.cp-goal{color:var(--muted);margin-top:.5rem}.cp-bloom{text-wrap:pretty}.cp-panel{background:var(--surface);border:1px solid var(--line);border-radius:.75rem;margin-block:1.5rem;padding:1.25rem;font-size:.875rem;display:block}.cp-badge{border:1px solid var(--line);vertical-align:.05em;border-radius:999px;align-items:center;gap:.3rem;margin-right:.5rem;padding:.1rem .6rem;font-size:.78rem;font-weight:600;display:inline-flex}.cp-badge>svg{width:13px;height:13px}.cp-panel-text{display:inline}.cp-panel .cp-panel-action{width:fit-content;margin-top:.75rem;display:flex}.cp-panel.is-locked .cp-badge,.cp-panel.is-cooling .cp-badge{color:var(--due);border-color:var(--due)}@supports (color:color-mix(in lab, red, red)){.cp-panel.is-locked .cp-badge,.cp-panel.is-cooling .cp-badge{border-color:color-mix(in srgb, var(--due) 40%, transparent)}}.cp-panel.is-locked .cp-badge,.cp-panel.is-cooling .cp-badge{background:var(--due)}@supports (color:color-mix(in lab, red, red)){.cp-panel.is-locked .cp-badge,.cp-panel.is-cooling .cp-badge{background:color-mix(in srgb, var(--due) 12%, transparent)}}.cp-panel.is-passed .cp-badge{color:var(--mastery);border-color:var(--mastery)}@supports (color:color-mix(in lab, red, red)){.cp-panel.is-passed .cp-badge{border-color:color-mix(in srgb, var(--mastery) 40%, transparent)}}.cp-panel.is-passed .cp-badge{background:var(--mastery)}@supports (color:color-mix(in lab, red, red)){.cp-panel.is-passed .cp-badge{background:color-mix(in srgb, var(--mastery) 12%, transparent)}}.cp-panel.is-ready .cp-badge{color:var(--info);border-color:var(--info)}@supports (color:color-mix(in lab, red, red)){.cp-panel.is-ready .cp-badge{border-color:color-mix(in srgb, var(--info) 40%, transparent)}}.cp-panel.is-ready .cp-badge{background:var(--info)}@supports (color:color-mix(in lab, red, red)){.cp-panel.is-ready .cp-badge{background:color-mix(in srgb, var(--info) 12%, transparent)}}.cp-main>.cp-panel.is-ready:has(+.chk-running){display:none}.cp-loading{margin-block:1.5rem;display:block}.cp-skel{border-radius:.75rem;height:11.5rem;display:block}.cp-lessons .status.is-pending{visibility:hidden}@media (width<=767px){.chk,.lab,.see,.cp-panel,.q-opt,.q-order-row{border-radius:1rem}}@media (width>=768px){.chk{border:1px dashed var(--info)}@supports (color:color-mix(in lab, red, red)){.chk{border:1px dashed color-mix(in srgb, var(--info) 45%, var(--line))}}.chk{border-radius:var(--radius-sheet);margin-block:3rem;padding:1.5rem 1.75rem 1.75rem}.chk-head{gap:.6rem}.chk-glyph{width:auto;height:auto;color:var(--info);background:0 0;border-radius:0}.chk-glyph svg{width:18px;height:18px}.chk-glyph.tone-mastery{color:var(--mastery)}.chk-glyph.tone-due{color:var(--due)}.chk-title{letter-spacing:-.008em;color:var(--ink);font-size:1.15rem;font-weight:700;line-height:1.3}.chk-quiz .chk-title,.fx .chk-title{letter-spacing:-.016em;font-size:1.55rem;font-weight:750;line-height:1.22}.chk-meta{margin:.4rem 0 0 calc(18px + .6rem)}.chk-intro{max-width:var(--measure);color:var(--ink-2);margin:.5rem 0 0 calc(18px + .6rem);font-size:1rem;line-height:1.6}.chk-actions{margin:1.25rem 0 0 calc(18px + .6rem)}.chk-results .chk-actions{margin-left:0}.chk-actions .chk-next{margin-left:auto}.chk-pretest{padding:1.1rem 1.25rem 1.2rem}.chk-pretest .chk-title{font-size:1.05rem;font-weight:650}.chk-pretest .chk-intro{font-size:.9375rem;line-height:1.55}.chk-pretest .chk-actions{margin-top:.9rem}.chk-pretest.is-attempted{padding-block:.8rem}.chk-row{align-items:center;gap:.6rem}.chk-row-text{color:var(--ink-2);flex:1;margin:0;font-size:.9375rem;line-height:1.5}.chk-pretest.is-attempted{padding-inline:1.1rem .9rem}.chk-pretest.is-attempted .chk-row-text{text-wrap:pretty;line-height:1.4}.chk-row-why{display:none}.chk-row-text .chk-title{font-size:1rem}.chk-row-title{font-size:.9375rem;line-height:1.45}.chk-row-sub{color:var(--muted);margin-top:.15rem;font-size:.8125rem;line-height:1.45}.cp-main .chk-checkpoint .chk-meta{display:none}.chk-row .btn{flex:none}.q-chapter{margin-bottom:1rem}.q-top{margin-bottom:.6rem;font-size:.8125rem;font-weight:500;line-height:1.4}.q-bloom{color:var(--ink-2);background:0 0;border:0;padding:0;font-size:.8125rem;font-weight:600}.q-meter{margin-bottom:1.4rem}.q-prompt{max-width:var(--measure);letter-spacing:-.006em;color:var(--ink);text-wrap:pretty;margin-bottom:1.1rem;font-size:1.25rem;font-weight:600;line-height:1.45}.q-opts{gap:.5rem}.q-opt{border-radius:var(--radius-control);align-items:center;gap:.85rem;min-height:3.25rem;padding:.7rem 1rem;font-size:1rem;line-height:1.45}.q-opt>input{width:1.05rem;height:1.05rem;margin-top:0}.q-opt:not(.is-sel,.is-right,.is-wrong):has(>input:enabled):hover{border-color:var(--line-2);background:var(--surface-2)}.q-opt:has(>input:disabled){cursor:default}.q-opt.is-sel{border-color:var(--accent);background:var(--accent-soft)}.q-opt.is-right{border-color:var(--mastery);background:var(--mastery)}@supports (color:color-mix(in lab, red, red)){.q-opt.is-right{background:color-mix(in srgb, var(--mastery) 9%, var(--surface))}}.q-opt.is-wrong{border-color:var(--danger);background:var(--danger)}@supports (color:color-mix(in lab, red, red)){.q-opt.is-wrong{background:color-mix(in srgb, var(--danger) 7%, var(--surface))}}.q-opt-mark{margin-top:0}.q-key{border:1px solid var(--line-input);border-radius:.3rem;justify-content:center;align-items:center;min-width:1.35rem;height:1.35rem;font-size:.72rem;font-weight:650;display:inline-flex}.q-tf{grid-template-columns:repeat(2,minmax(0,1fr));gap:.5rem;max-width:30rem;display:grid}.q-tf-btn{justify-content:center;min-height:3.25rem;font-size:1rem}.q-tf-btn .q-key{margin-right:.4rem}.q-tf-btn.btn-primary .q-key{color:inherit;border-color:currentColor}.q-order{gap:.5rem}.q-order-row{border-radius:var(--radius-control);min-height:3rem;padding:.35rem .5rem .35rem 1rem;font-size:1rem}.q-recall .field{min-height:4.5rem}.q-hint{margin-top:.6rem;font-size:.75rem}.q-rate{border-top:1px solid var(--line);margin-top:1.5rem;padding-top:1.25rem}.q-rate-label{color:var(--ink-2);margin-bottom:.6rem;font-size:.875rem;font-weight:650}.q-submit{margin-top:1.1rem}.q-check{border-radius:.6rem;min-height:2.75rem;padding-inline:1.6rem;font-size:1rem}.q-verdict{border:0;border-top:1px solid var(--line);border-radius:0;margin-top:1.5rem;padding:1rem 0 0;font-size:.9375rem;line-height:1.6}.q-verdict.is-right,.q-verdict.is-wrong{border-color:var(--line)}.q-verdict-title{font-size:1rem;font-weight:700}.q-expl{max-width:var(--measure);color:var(--ink-2)}.q-next{margin-top:1rem}.q-bar{margin:.4rem 0 0 calc(18px + .6rem);font-size:.9375rem}.q-results{margin-top:1.25rem}.q-review{gap:0;margin-top:0;font-size:.9375rem;line-height:1.5}.q-review>li{border-top:1px solid var(--line);align-items:baseline;gap:.6rem;padding:.55rem 0}.q-review>li:last-child{border-bottom:1px solid var(--line)}.q-review>li.is-wrong .q-review-prompt{color:var(--ink)}.q-review-mark{align-self:flex-start;margin-top:.2rem}.q-calib{background:var(--surface-2);border-radius:.6rem;margin-top:1.25rem;padding:1rem 1.1rem}.q-calib-title{color:var(--ink-2);margin:0 0 .6rem;font-size:.8125rem;font-weight:650}.q-calib-rows{gap:.45rem;margin:0;padding:0;list-style:none;display:grid}.q-calib-rows>li{color:var(--ink-2);grid-template-columns:5.75rem minmax(0,1fr) auto;align-items:center;gap:.6rem;font-size:.8125rem;display:grid}.q-calib-n{color:var(--muted)}.q-calib-note{color:var(--ink-2);margin-top:.85rem;font-size:.8125rem;line-height:1.5}.q-calib-cards{color:var(--ink-2);margin-top:.6rem;font-size:.8125rem;line-height:1.5}.fx-prompt{max-width:calc(var(--measure) + 1.75rem);color:var(--ink);gap:.6rem;margin:1rem 0 0;font-size:1.0625rem;line-height:1.6;display:flex}.fx-quote{color:var(--muted);flex:none;margin-top:.2rem}.fx-area{min-height:10rem;margin-top:1.1rem;padding:.75rem .9rem;font-size:1rem;line-height:1.6}.fx-actions{gap:.6rem;margin-top:.75rem}.fx .fx-save.btn-primary{background:var(--surface);color:var(--ink);border-color:var(--line)}.fx .fx-save.btn-primary:hover{background:var(--surface-2);border-color:var(--line-2)}.fx .fx-save.btn-primary:disabled{background:var(--surface);color:var(--ink);border-color:var(--line);opacity:.5}.fx-hint,.fx-saved{font-size:.8125rem}.fx-compare{border-top:0;margin-top:1.25rem;padding-top:0;font-size:.9375rem}.fx-model{background:var(--surface-2);border-radius:.6rem;padding:1rem 1.25rem;line-height:1.6}.fx-model p{max-width:var(--measure);color:var(--ink)}.fx-label{color:var(--ink-2);margin-bottom:.35rem;font-size:.8125rem;font-weight:650}.fx-rate-label{margin-top:1.1rem}.fx-rate{gap:.4rem}.fx-rate-btn{padding:.4rem .8rem;font-size:.875rem}.chk.deck{gap:1.5rem;margin-block:3rem;padding:1.25rem 1.5rem;font-size:.9375rem}.deck-fan{flex:none;width:10.25rem;height:5.5rem;position:relative}.deck-card{background:var(--surface);border:1px solid var(--line-2);width:7.75rem;height:4.75rem;color:var(--ink-2);transform-origin:50% 100%;border-radius:.5rem;padding:.5rem .55rem;font-size:.6875rem;line-height:1.35;position:absolute;top:.35rem;left:0;overflow:hidden}.deck-card:not(.is-front){background-image:repeating-linear-gradient(to bottom, transparent 0 .8rem, var(--line) .8rem calc(.8rem + 1px));background-origin:content-box;background-clip:content-box}.deck-q{-webkit-line-clamp:3;-webkit-box-orient:vertical;display:-webkit-box;overflow:hidden}.deck-card:first-child{transform:rotate(-7deg)}.deck-card:nth-child(2){left:1.1rem;transform:rotate(-1.5deg)}.deck-card:nth-child(3){left:2.3rem;transform:rotate(4.5deg)}.deck-card.is-front{border-color:var(--line-input)}.deck-main{flex:1}.deck-count{color:var(--ink);font-size:1.05rem;font-weight:700;display:block}.deck-sub{max-width:var(--measure);color:var(--ink-2);margin-top:.15rem;display:block}.deck-review{gap:.45rem}.lab{border-color:var(--term-line);border-radius:var(--radius-term);margin-block:4rem 3rem;position:relative;overflow:visible}.lab-head{border-bottom:1px solid var(--term-line);border-radius:calc(var(--radius-term) - 1px) calc(var(--radius-term) - 1px) 0 0;background:var(--term-bar);min-height:52px;color:var(--term-ink);flex-wrap:wrap;gap:.5rem .9rem;padding:.45rem .55rem .45rem 1.25rem}.lab-glyph{width:auto;height:auto;color:var(--term-ink);background:0 0;border-radius:0}.lab-glyph svg{width:18px;height:18px}.lab-title{letter-spacing:-.016em;color:var(--term-ink);margin:0;font-size:1.55rem;font-weight:750;line-height:1.22}.lab-safety{color:var(--term-muted);align-items:center;gap:.35rem;font-size:.8125rem;font-weight:600;display:inline-flex}.lab[data-safety=mutating] .lab-safety{background:var(--due);color:var(--on-status);border-radius:999px;padding:.15rem .6rem .15rem .45rem}.lab-progress{color:var(--term-muted);align-items:center;gap:.6rem;margin-left:auto;font-size:.8125rem;font-weight:500;display:inline-flex}.lab-meter{background:var(--term-line);border-radius:999px;width:4.5rem;height:4px;display:block;overflow:hidden}.lab-meter>span{background:var(--term-ok)}.lab-env{border:1px solid var(--term-line);border-radius:.6rem;gap:.2rem;margin-left:auto;padding:.2rem}.lab-progress~.lab-env{margin-left:.25rem}.lab-env>button{min-height:2rem;color:var(--term-muted);transition:background-color .16s var(--ease), color .16s var(--ease);border:0;border-radius:.45rem;gap:.45rem;margin:0;padding:.3rem .8rem;font-size:.86rem;font-weight:650}.lab-env>button:hover{color:var(--term-ink)}.lab-env>button[aria-pressed=true]{background:var(--term-bg);color:var(--term-ink);box-shadow:inset 0 0 0 1px var(--term-muted)}@supports (color:color-mix(in lab, red, red)){.lab-env>button[aria-pressed=true]{box-shadow:inset 0 0 0 1px color-mix(in srgb, var(--term-muted) 55%, transparent)}}.lab-head :focus-visible{outline-color:var(--scene-accent)}.lab-body{padding:1.5rem 2rem 1.75rem;container-type:inline-size}.lab-warn{max-width:calc(var(--measure) + 2.5rem);border-radius:var(--radius-control);color:var(--ink);background:0 0;align-items:flex-start;gap:.7rem;margin:0 0 1.5rem;padding:.75rem 1rem;font-size:.9375rem;line-height:1.55;display:flex}.lab-warn-glyph{color:var(--due);flex:none;margin-top:.15rem}.lab-slot{font-size:1.0625rem;line-height:1.7}.lab-slot :where(p,ul,blockquote,h3,h4),.lab-slot :where(ol:not(.lab-steps)){max-width:var(--measure)}.lab .lab-steps{max-width:none;margin:1.5rem 0 0;padding:0;list-style:none;position:relative}.lab .lab-steps:before{content:"";background:var(--line);width:1px;position:absolute;top:.75rem;bottom:1.5rem;left:20px}.lab .lab-steps>li{padding:.1rem max(3rem, calc(100cqi - 3.5rem - var(--measure))) 1.9rem 3.5rem;max-width:none;min-height:28px;margin:0;position:relative}.lab .lab-slot:not(:has(.code-frame,pre)) .lab-steps>li{max-width:calc(var(--measure) + 6.5rem);padding-right:3rem}.lab .lab-steps>li:last-child{padding-bottom:.5rem}.lab .lab-steps>li:before{content:attr(data-step);content:attr(data-step) / "";box-sizing:border-box;border:1px solid var(--line-input);background:var(--surface);width:28px;height:28px;color:var(--ink-2);font:700 .875rem/1 var(--font-sans);font-variant-numeric:tabular-nums;transition:background-color .18s var(--ease), border-color .18s var(--ease);border-radius:999px;place-items:center;display:grid;position:absolute;top:0;left:6px}.lab .lab-steps>li:has(>.lab-check:checked):before{content:"";content:"" / "";background:var(--mastery);border-color:var(--mastery)}.lab .lab-steps>li:has(>.lab-check:checked):after{content:"";background:var(--on-status);width:28px;height:28px;-webkit-mask:var(--px-mask-check) center / 15px 15px no-repeat;-webkit-mask:var(--px-mask-check) center / 15px 15px no-repeat;-webkit-mask:var(--px-mask-check) center / 15px 15px no-repeat;mask:var(--px-mask-check) center / 15px 15px no-repeat;pointer-events:none;position:absolute;top:0;left:6px}.lab .lab-check{box-sizing:border-box;appearance:none;border:1px solid var(--line-input);background:var(--surface);cursor:pointer;width:20px;height:20px;transition:background-color .15s var(--ease), border-color .15s var(--ease);border-radius:5px;margin:0;display:block;position:absolute;top:4px;right:0}.lab .lab-check:after{content:"";background:var(--on-status);-webkit-mask:var(--px-mask-check) center / 13px 13px no-repeat;-webkit-mask:var(--px-mask-check) center / 13px 13px no-repeat;-webkit-mask:var(--px-mask-check) center / 13px 13px no-repeat;mask:var(--px-mask-check) center / 13px 13px no-repeat;opacity:0;position:absolute;inset:0}.lab .lab-check:enabled:hover{border-color:var(--ink-2)}.lab .lab-steps>li:has(>.lab-check:enabled:not(:checked):hover):before{border-color:var(--ink-2);color:var(--ink)}.lab .lab-check:checked{background:var(--mastery);border-color:var(--mastery)}.lab .lab-check:checked:after{opacity:1}.lab .lab-check:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.lab .lab-check:disabled{cursor:default}.lab .lab-goal{color:var(--ink);padding-left:1.85rem;font-size:1.0625rem;position:relative}.lab .lab-goal:before{content:"";background:var(--ink-2);width:18px;height:18px;-webkit-mask:var(--px-mask-target) center / contain no-repeat;-webkit-mask:var(--px-mask-target) center / contain no-repeat;-webkit-mask:var(--px-mask-target) center / contain no-repeat;mask:var(--px-mask-target) center / contain no-repeat;position:absolute;top:.3em;left:0}.lab .lab-if{max-width:var(--measure);border-top:1px solid var(--due);margin-top:.6rem;padding:.5rem .25rem .1rem 1.85rem;display:block;position:relative}@supports (color:color-mix(in lab, red, red)){.lab .lab-if{border-top:1px solid color-mix(in srgb, var(--due) 55%, var(--line))}}.lab .lab-if{color:var(--ink-2);font-size:.9375rem;line-height:1.6}.lab .lab-if:before{content:"";background:var(--due);width:16px;height:16px;-webkit-mask:var(--px-mask-alert) center / contain no-repeat;-webkit-mask:var(--px-mask-alert) center / contain no-repeat;-webkit-mask:var(--px-mask-alert) center / contain no-repeat;mask:var(--px-mask-alert) center / contain no-repeat;position:absolute;top:.72rem;left:.1rem}.lab-evidence{background:var(--surface-2);border-top:0;border-radius:.6rem;max-width:50rem;margin-top:2.25rem;padding:1rem 1.25rem 1.1rem}.lab-evidence-label{color:var(--ink-2);margin-bottom:.5rem;font-size:.8125rem;font-weight:650;display:block}.lab-notes{background:var(--surface);border-color:var(--line-input);min-height:6.5rem;margin-top:0;font-size:.9375rem;line-height:1.55}@supports (color:color-mix(in lab, red, red)){.lab-notes{border-color:color-mix(in srgb, var(--line-input) 78%, var(--ink))}}.lab-notes:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft);outline:none}.lab-evidence-actions{gap:.6rem;margin-top:.8rem}.lab-saved{font-size:.8125rem}.lab-next{margin-top:1.25rem;display:inline-flex}.src{border-top:1px solid var(--line);margin-block:4.5rem 2rem;padding-top:2.25rem;font-size:.9375rem}.src-head{align-items:baseline;gap:.6rem;margin-bottom:0}.src-glyph{color:var(--muted);align-self:center}.src-title{letter-spacing:-.016em;font-size:1.55rem;font-weight:750;line-height:1.22}.src-count{color:var(--muted);font-size:.8125rem}.src-verify{max-width:50rem;color:var(--ink-2);gap:.6rem;margin:.9rem 0 0;font-size:.9375rem;line-height:1.55;display:flex}.src-verify-glyph{color:var(--info);flex:none;margin-top:.12rem}.src-fresh{color:var(--muted)}.src-list{counter-reset:src;margin:1.5rem 0 0;padding:0;list-style:none}.src-list>li+li{margin-top:0}.src-list>li{border-top:1px solid var(--line);counter-increment:src;break-inside:avoid;scroll-margin-top:calc(var(--header-h) + 24px);transition:background-color .4s var(--ease);grid-template-columns:2.25rem minmax(0,1fr);align-items:baseline;padding:.6rem .5rem .6rem 0;display:grid}.src-list>li:before{content:counter(src);font-variant-numeric:tabular-nums;color:var(--muted);text-align:right;grid-row:span 2;padding-right:.8rem;font-size:.8125rem;font-weight:650}.src-list>li>a{color:var(--ink);overflow-wrap:anywhere;font-weight:550;line-height:1.45;text-decoration:none}.src-list>li>a:hover{color:var(--accent);text-decoration:underline}.src-ext{vertical-align:-.05em;color:var(--muted);margin-left:.3rem;display:inline}.src-meta{color:var(--muted);grid-column:2;margin-top:.15rem;font-size:.8125rem;line-height:1.4}.src-list>li:target{background:var(--accent-soft);border-radius:.4rem}.see{background:0 0;border:0;border-radius:0;margin-block:3rem;padding:0}.see-head{align-items:flex-start;gap:.6rem}.see-glyph{color:var(--muted);flex:none;margin-top:.2rem}.see-title{letter-spacing:-.008em;font-size:1.15rem;font-weight:700;line-height:1.3}.see-sub{color:var(--muted);margin-top:.2rem;font-size:.875rem}.see-list{gap:.75rem;margin-top:1.1rem;display:grid}.see-list>li+li{border-top:0}.see-tile{border:1px solid var(--line);border-radius:var(--radius-sheet);background:var(--surface);height:100%;color:var(--ink);transition:border-color .14s var(--ease), background-color .14s var(--ease);flex-direction:column;gap:.55rem;padding:1rem 1.1rem 1.1rem}.see-tile:hover{border-color:var(--line-2);background:var(--surface-2);text-decoration:none}.see-top{justify-content:space-between;align-items:center;gap:.5rem;width:100%;display:flex}.see-course{color:var(--muted)}.see-where{border:1px solid var(--line);color:var(--muted);white-space:nowrap;border-radius:999px;padding:.1rem .55rem;font-size:.75rem;font-weight:600}.see-name{color:var(--ink);font-size:1rem;font-weight:650;line-height:1.35}.see-why{color:var(--ink-2);margin-top:.35rem;font-size:.8125rem;line-height:1.5}.cp-hero{grid-template-columns:calc(3.5rem + 1px) minmax(0,1fr);align-items:start;column-gap:1.25rem;display:grid}.cp-hero-num{letter-spacing:-.03em;color:var(--faint);text-align:right;padding-top:.05em;font-size:3.5rem;font-weight:800;line-height:1}.cp-hero-text{min-width:0}.cp-h1{letter-spacing:-.024em;text-wrap:balance;max-width:52rem;font-size:2.35rem;font-weight:800;line-height:1.1}.cp-goal{max-width:42rem;color:var(--ink-2);text-wrap:pretty;margin-top:.75rem;font-size:1.125rem;line-height:1.5}.cp-stats{margin-top:.75rem}.cp-stats a{color:var(--ink-2);text-decoration:underline;-webkit-text-decoration-color:var(--line-input);-webkit-text-decoration-color:var(--line-input);text-decoration-color:var(--line-input)}.cp-stats a:hover{color:var(--accent);text-decoration-color:currentColor}.cp-main{min-width:0}.cp-main>.chk:first-child,.cp-main>.cp-panel+.chk{margin-top:0}.cp-main>.chk{margin-bottom:0}.cp-covers{margin-top:2.25rem}.cp-panel{border-radius:var(--radius-control);color:var(--ink-2);flex-wrap:wrap;align-items:baseline;gap:.5rem .75rem;margin:0 0 1rem;padding:.9rem 1.1rem;font-size:.9375rem;line-height:1.55;display:flex}.cp-panel.is-locked{border-color:var(--line-input);border-style:dashed}.cp-panel.is-passed{border-color:var(--mastery)}@supports (color:color-mix(in lab, red, red)){.cp-panel.is-passed{border-color:color-mix(in srgb, var(--mastery) 55%, var(--line))}}.cp-panel.is-cooling{border-color:var(--due)}@supports (color:color-mix(in lab, red, red)){.cp-panel.is-cooling{border-color:color-mix(in srgb, var(--due) 55%, var(--line))}}.cp-panel.is-ready{border-color:var(--info)}@supports (color:color-mix(in lab, red, red)){.cp-panel.is-ready{border-color:color-mix(in srgb, var(--info) 55%, var(--line))}}.cp-badge{background:0 0;border:0;margin-right:0;padding:0;font-size:.9375rem;font-weight:700}.cp-badge>svg{align-self:center;width:16px;height:16px}.cp-panel.is-locked .cp-badge,.cp-panel.is-cooling .cp-badge,.cp-panel.is-passed .cp-badge,.cp-panel.is-ready .cp-badge{background:0 0}.cp-panel-text{flex:24rem;min-width:0;display:block}.cp-panel .cp-panel-action{margin-top:0;display:inline-flex}.cp-loading{margin:0}.cp-skel{border-radius:var(--radius-sheet);height:13rem}.cp-aside-block+.cp-aside-block{margin-top:1.75rem}.cp-aside-title{color:var(--ink);margin:0 0 .6rem;font-size:.9375rem;font-weight:700}.cp-lessons{margin:0;padding:0;list-style:none}.cp-lessons>li{border-top:1px solid var(--line);grid-template-columns:1.25rem 2rem minmax(0,1fr) auto;align-items:start;gap:.5rem .75rem;padding:.6rem .25rem;font-size:.9375rem;line-height:1.4;display:grid}.cp-st{color:var(--muted);white-space:nowrap;font-size:.8125rem;line-height:1.5}.cp-lessons>li:last-child{border-bottom:1px solid var(--line)}.cp-lessons .status{margin-top:.05rem}.cp-n{color:var(--muted);font-weight:600}.cp-lessons a{color:var(--ink);-webkit-line-clamp:2;-webkit-box-orient:vertical;text-decoration:none;display:-webkit-box;overflow:hidden}.cp-lessons a:hover{color:var(--accent);text-decoration:underline}.cp-mix{margin:0;padding:0;list-style:none}.cp-mix>li{color:var(--ink-2);justify-content:space-between;gap:1rem;padding:.3rem 0;font-size:.875rem;display:flex}.cp-bloom{color:var(--muted);margin-top:.6rem;font-size:.8125rem;line-height:1.5}}@media (width>=1024px){.q-results{grid-template-columns:minmax(0,1fr) 16rem;align-items:start;gap:1.75rem;display:grid}.q-calib{margin-top:0}.see-list{grid-template-columns:repeat(3,minmax(0,1fr))}.src-list{columns:2;column-gap:2.5rem}.cp-grid{grid-template-columns:minmax(0,1fr) 17.5rem;align-items:start;column-gap:3rem;margin-top:2.5rem;display:grid}.cp-aside{top:calc(var(--header-h) + 1.5rem);position:sticky}.cp-main .q-results{grid-template-columns:minmax(0,1fr)}.cp-main .q-calib{margin-top:1.25rem}}@media (width>=1280px){.cp-aside{border-left:1px solid var(--line);padding-left:1.5rem}}@media (width>=1600px){.chk-row-why{color:var(--muted);margin-top:.1rem;font-size:.8125rem;line-height:1.45;display:block}}@media (width>=768px) and (width<=1023px){.cp-grid{margin-top:1.5rem}.cp-aside{margin-top:2rem}}.diagram{width:100%;height:auto;font-family:var(--font-sans)}.diagram text{fill:var(--ink)}.diagram .muted{fill:var(--muted)}.diagram .box{fill:var(--surface);stroke:var(--line);stroke-width:1.2px}.diagram .box.hot{cursor:pointer}.diagram .box.hot:hover,.diagram .box.selected{stroke:var(--accent);stroke-width:2px}.diagram .box.dim{opacity:.35}.diagram .edge{stroke:var(--muted);stroke-width:1.4px;fill:none}.diagram .edge.active{stroke:var(--accent);stroke-width:2.4px}.diagram .label{font-size:12px}.diagram .small{font-size:10px}[data-interactive=TroubleshootingTree] .diagram .label{font-size:11px}.ix-head{display:none}@media (width>=768px){.ix{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sheet);position:relative;container:ix/inline-size}.ix-head{background:var(--surface-2);border-bottom:1px solid var(--line);border-radius:calc(var(--radius-sheet) - 1px) calc(var(--radius-sheet) - 1px) 0 0;align-items:center;gap:.625rem;min-height:44px;padding:0 .375rem 0 1rem;display:flex}.ix-head .ix-glyph{color:var(--ink-2);flex:none}.ix-head .ix-name{min-width:0;color:var(--ink);white-space:nowrap;text-overflow:ellipsis;flex:1;overflow:hidden}.ix-head .ix-esc{color:var(--muted);align-items:center;gap:.35rem;margin-right:.25rem;font-size:.75rem;display:none}.ix-expand .ix-i-close{display:none}.ix-cap{border-top:1px solid var(--line);text-wrap:pretty;padding:.75rem 1.25rem .85rem 2.6rem;position:relative}.ix-cap:before{content:"";opacity:.9;background:currentColor;width:15px;height:15px;position:absolute;top:.95rem;left:1.05rem;-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='9'/%3E%3Cpath d='M12 11v5'/%3E%3Cpath d='M12 8h.01'/%3E%3C/svg%3E") 50%/contain no-repeat;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='9'/%3E%3Cpath d='M12 11v5'/%3E%3Cpath d='M12 8h.01'/%3E%3C/svg%3E") 50%/contain no-repeat}}.ix-backdrop{z-index:calc(var(--z-theater) - 1);background:var(--bg);position:fixed;inset:0}@supports (color:color-mix(in lab, red, red)){.ix-backdrop{background:color-mix(in srgb, var(--bg) 88%, transparent)}}.ix-backdrop{animation:ix-fade .2s var(--ease) both}@keyframes ix-fade{0%{opacity:0}}@keyframes ix-in{0%{opacity:0;translate:0 10px}}.mf-scroll{overscroll-behavior-x:contain;overflow-x:auto}.mf-scroll svg{max-width:100%;height:auto;display:block}.mf-hint{display:none}@media (width>=768px){.mf-scroll{scrollbar-gutter:stable;padding:.5rem 0 .75rem}.mf-scroll svg{max-width:none;margin-inline:auto}.mf-scroll.is-fit svg{max-width:100%}.mf-source>summary{list-style-position:inside}.mf-hint{color:var(--muted);margin:.25rem 0 0;font-size:.8125rem;display:block}}.oc-center,.oc-d{display:none}.oc-row{display:contents}.ix-warn{vertical-align:-.15em;color:var(--due);flex:none;display:inline}@media (width>=768px){figure.ix :where(ul,ol){margin:0;padding:0;list-style:none}figure.ix p,figure.ix li:not(.flex,.grid,.inline-flex):not(:has(button,input,select)){max-width:var(--measure)}figure.ix li a:not([class]),figure.ix .cls-src a:not([class]){color:var(--ink-2);text-decoration:underline 1px dotted;-webkit-text-decoration-color:var(--line-input);-webkit-text-decoration-color:var(--line-input);text-decoration-color:var(--line-input);text-underline-offset:.22em}figure.ix li a:not([class]):hover,figure.ix .cls-src a:not([class]):hover{color:var(--accent);text-decoration-style:solid;text-decoration-color:currentColor}[data-component=CongestionLoopSim] .cls-counters pre{font-size:11px!important}}.dh{gap:4rem;padding-bottom:1rem;display:grid}.dh-head{gap:1.5rem;display:grid}.dh-greet{min-height:2.6rem;margin:0}.dh-top{gap:1.5rem;display:grid}.dh-sk{vertical-align:-.1em;border-radius:.3rem;height:.9em;display:inline-block}.dh .sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.dh-slate{background:var(--scene);color:var(--scene-ink);border:1px solid var(--scene-line);border-radius:var(--radius-slate);grid-template-columns:6rem minmax(0,1fr);align-self:start;column-gap:1.75rem;padding:1.75rem 2rem 1.75rem 1.75rem;display:grid}.dh-cell{border-right:1px solid var(--scene-line);flex-direction:column;justify-content:flex-start;align-items:flex-start;gap:.75rem;padding-right:1.25rem;display:flex}.dh-num{letter-spacing:-.03em;color:var(--scene-accent);font-size:3.5rem;font-weight:800;line-height:1}.dh-mark{color:var(--scene-accent)}.dh-id{color:var(--scene-muted)}.dh-sbody{flex-direction:column;min-width:0;display:flex}.dh-stitle{color:var(--scene-ink);margin:0}.dh-data{margin:.45rem 0 0}.dh-ep{max-width:34rem;color:var(--scene-ink);text-wrap:pretty;margin:.85rem 0 0;font-size:1.0625rem;font-weight:600;line-height:1.45}.dh-ledger{border-top:1px solid var(--scene-line);color:var(--scene-muted);flex-wrap:wrap;gap:.35rem 1.5rem;margin-top:.95rem;padding-top:.75rem;font-size:.9375rem;line-height:1.45;display:flex}.dh-lg{align-items:flex-start;gap:.5rem;min-width:0;display:inline-flex}.dh-lg>svg{color:var(--scene-accent);flex:none;margin-top:.15rem}.dh-sfoot{justify-items:start;gap:1.1rem;padding-top:1.25rem;display:grid}.dh-slate .t-meta{color:var(--scene-muted)}.dh-slate[aria-busy=true],.dh-slate-clear{align-self:stretch}.dh-slate-clear .dh-cell,.dh-slate-clear .dh-sbody{justify-content:center}.dh-slate{--dh-due:oklch(from var(--due) .8 .13 h)}.dh-ls{border-top:1px solid var(--scene-line);width:100%;margin:0;padding:0;list-style:none}.dh-li{border-bottom:1px solid var(--scene-line);min-height:1.4rem;color:var(--scene-muted);grid-template-columns:.625rem 2rem minmax(0,1fr) auto;align-items:center;column-gap:.6rem;padding:0 .5rem;font-size:.8125rem;line-height:1.3;display:grid}.dh-li-g{background:var(--scene-muted);border-radius:2px;width:.5rem;height:.5rem}@supports (color:color-mix(in lab, red, red)){.dh-li-g{background:color-mix(in srgb, var(--scene-muted) 50%, transparent)}}.dh-li.dh-st-started .dh-li-g{background:var(--scene-accent)}.dh-li.dh-st-open .dh-li-g{background:var(--dh-due)}.dh-li.dh-st-closed .dh-li-g{background:var(--scene-close-accent)}.dh-li.dh-st-locked .dh-li-g{border:1px dashed var(--scene-muted);background:0 0}.dh-li-cp .dh-li-g{border:1.5px solid var(--scene-muted);background:0 0;border-radius:1px;transform:rotate(45deg)}.dh-li-cp.dh-cp-passed .dh-li-g{background:var(--scene-close-accent);border-color:var(--scene-close-accent)}.dh-li-cp.dh-cp-locked .dh-li-g{border-style:dashed}.dh-li-cp.dh-cp-attempted .dh-li-g,.dh-li-cp.dh-cp-cooling .dh-li-g{border-color:var(--dh-due)}.dh-li-n{font-variant-numeric:tabular-nums}.dh-li-t{white-space:nowrap;text-overflow:ellipsis;min-width:0;overflow:hidden}.dh-li-s{white-space:nowrap}.dh-li.dh-cur{color:var(--scene-ink);background:var(--scene-accent);font-weight:650}@supports (color:color-mix(in lab, red, red)){.dh-li.dh-cur{background:color-mix(in srgb, var(--scene-accent) 16%, transparent)}}.dh-actions{flex-wrap:wrap;align-items:center;gap:.75rem 1.25rem;min-height:2.75rem;display:flex}.dh-go{border-radius:var(--radius-control);background:var(--scene-accent);min-height:2.75rem;color:var(--scene);transition:background-color .14s var(--ease);align-items:center;gap:.5rem;padding:.6rem 1.15rem .6rem 1.25rem;font-size:1rem;font-weight:700;text-decoration:none;display:inline-flex}.dh-go:hover{background:var(--scene-accent)}@supports (color:color-mix(in lab, red, red)){.dh-go:hover{background:color-mix(in srgb, var(--scene-accent) 82%, var(--scene-ink))}}.dh-go:hover{color:var(--scene);text-decoration:none}.dh-go:focus-visible,.dh-maplink:focus-visible{outline:2px solid var(--scene-accent);outline-offset:3px}.dh-maplink{color:var(--scene-muted);text-decoration:underline;-webkit-text-decoration-color:var(--scene-line);-webkit-text-decoration-color:var(--scene-line);text-decoration-color:var(--scene-line);text-underline-offset:.25em;font-size:.9375rem;font-weight:600}.dh-maplink:hover{color:var(--scene-ink);text-decoration-color:currentColor}.dh-slate .skeleton{background:linear-gradient(90deg, var(--scene-2) 0%, var(--scene-line) 50%, var(--scene-2) 100%);background-size:200% 100%}.dh-sk-num{height:3.5rem}.dh-sk-h2{height:1.55rem;margin-bottom:.45rem;display:block}.dh-sk-btn{border-radius:var(--radius-control);width:11rem;height:2.75rem;display:inline-block}.dh-today{--dh-led-h:2.375rem;flex-direction:column;min-width:0;display:flex}.dh-today-head{border-bottom:1px solid var(--line);justify-content:space-between;align-items:baseline;gap:1rem;min-height:3.5rem;padding:1rem 1.25rem .75rem;display:flex}.dh-today-head h2{margin:0}.dh-rows{margin:0;padding:0;list-style:none}.dh-rows>li+li{border-top:1px solid var(--line)}.dh-row{min-height:3.75rem;color:var(--ink);transition:background-color .14s var(--ease);grid-template-columns:18px minmax(0,1fr) auto 16px;align-items:center;column-gap:.9rem;padding:.55rem 1.1rem .55rem 1.25rem;text-decoration:none;display:grid}a.dh-row:hover{background:var(--surface-2);text-decoration:none}a.dh-row:focus-visible{outline-offset:-2px}.dh-row-g{color:var(--ink-2)}.dh-row-txt{gap:.1rem;min-width:0;display:grid}.dh-row-t{color:var(--ink);font-size:.9375rem}.dh-row-s{white-space:nowrap;text-overflow:ellipsis;min-height:1.15em;color:var(--muted);display:block;overflow:hidden}.dh-count{text-align:right;min-width:2.5rem;color:var(--ink);white-space:nowrap;font-size:1.25rem;font-weight:750;line-height:1}.dh-count.dh-due{color:var(--due)}.dh-count.dh-zero{color:var(--faint)}.dh-unit{color:var(--muted);font-size:.8125rem;font-weight:600}.dh-chev{color:var(--faint)}.dh-strip{min-height:calc(4 * var(--dh-led-h) + 1.5rem + 1px);background:var(--surface-2);border-top:1px solid var(--line);border-radius:0 0 calc(.875rem - 1px) calc(.875rem - 1px);flex:1 0 auto;grid-template-columns:auto minmax(0,1fr) auto;align-content:center;column-gap:1.25rem;margin:0;padding:.75rem 1.25rem;display:grid}.dh-led{grid-column:1/-1;grid-template-columns:subgrid;min-height:var(--dh-led-h);align-items:center;display:grid}.dh-led+.dh-led{border-top:1px solid var(--line)}.dh-led>dt{white-space:nowrap;color:var(--ink-2)}.dh-led>dd{min-width:0;margin:0}.dh-led-v{text-align:right;color:var(--ink);white-space:nowrap;font-size:.9375rem;font-weight:700;line-height:1.375rem}.dh-strip .meter{background:var(--line-2)}.dh-strip-empty{flex-direction:column;justify-content:center;gap:.35rem;padding:1.25rem;display:flex}.dh-strip-empty>p{max-width:32rem;margin:0}.dh-empty-l{color:var(--ink-2)}.dh-empty-s{color:var(--muted)}.dh-empty-s a{color:var(--ink-2);text-decoration:underline;-webkit-text-decoration-color:var(--line-input);-webkit-text-decoration-color:var(--line-input);text-decoration-color:var(--line-input);text-underline-offset:.2em}.dh-empty-s a:hover{color:var(--accent);text-decoration-color:currentColor}.dh-week{grid-template-columns:repeat(7,minmax(0,1.75rem));gap:.25rem;display:grid}.dh-day{background:var(--surface);border:1px solid var(--line-2);height:1.25rem;color:var(--muted);border-radius:.3rem;justify-content:center;align-items:center;font-size:.6875rem;font-weight:700;line-height:1;display:flex}.dh-day.dh-on{background:var(--accent);border-color:var(--accent);color:var(--on-status)}.dh-day.dh-future{border-style:dashed;border-color:var(--line-input);color:var(--muted);background:0 0}.dh-day.dh-today-cell{box-shadow:0 0 0 2px var(--surface-2), 0 0 0 3px var(--accent)}.dh-lib-head{flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:.5rem 1.5rem;margin-bottom:1.25rem;display:flex}.dh-lib-head h2{margin:0}.dh-cards{gap:1rem;margin:0;padding:0;list-style:none;display:grid}.dh-card{transition:border-color .14s var(--ease);padding:1.25rem 1.5rem 1.25rem 1.25rem}.dh-card:hover{border-color:var(--line-2)}.dh-card-grid{grid-template-columns:minmax(0,1fr) 14rem;column-gap:1.75rem;display:grid}.dh-art{display:none}.dh-card-main{align-content:start;justify-items:start;gap:.35rem;min-width:0;display:grid}.dh-ctitle{margin:0}.dh-ctitle a,.dh-rtitle a{color:var(--ink);text-decoration:none}.dh-ctitle a:hover,.dh-rtitle a:hover{color:var(--accent);text-decoration:underline}.dh-tag{color:var(--ink-2);max-width:44rem;margin:0}.dh-stats{margin:0}.dh-learn{color:var(--ink-2);max-width:46rem;margin:.35rem 0 0}.dh-learn .t-label,.dh-next .t-label,.dh-aud .t-label{color:var(--ink)}.dh-rest{color:var(--muted)}.dh-prog{border-left:1px solid var(--line);flex-direction:column;gap:.6rem;min-width:0;padding-left:1.5rem;display:flex}.dh-prog-top{flex-wrap:wrap;align-items:baseline;gap:.6rem;display:flex}.dh-pct{letter-spacing:-.02em;color:var(--ink);font-size:1.5rem;font-weight:800;line-height:1}.dh-next{color:var(--ink-2);-webkit-line-clamp:2;-webkit-box-orient:vertical;margin:.15rem 0 0;display:-webkit-box;overflow:hidden}.dh-cbtn{align-self:flex-start;margin-top:auto}.dh-morebtn{margin-top:.35rem;margin-left:-.65rem}.dh-morechev{transition:transform .18s var(--ease)}.dh-morebtn[aria-expanded=true] .dh-morechev{transform:rotate(90deg)}.dh-more{visibility:hidden;transition:grid-template-rows .22s var(--ease), visibility 0s linear .22s;grid-template-rows:0fr;display:grid}.dh-more[data-open=true]{visibility:visible;grid-template-rows:1fr;transition-delay:0s}.dh-more>div{min-height:0;overflow:hidden}.dh-more-in{gap:.5rem;margin-top:1rem;padding:1rem 1.25rem;display:grid}.dh-more-in>p{margin:0}.dh-desc{color:var(--ink-2);max-width:var(--measure)}.dh-aud{color:var(--muted);max-width:var(--measure)}.dh-sub-h{margin:2rem 0 .85rem}.dh-list{margin:0;padding:0;list-style:none}.dh-list>li+li{border-top:1px solid var(--line)}.dh-crow{grid-template-columns:1.75rem minmax(0,1fr);align-items:start;column-gap:1rem;padding:1rem 1.25rem .85rem;display:grid}.dh-crow>.icon-tile{margin-top:-.2rem}.dh-crow-txt,.dh-crow-id,.dh-crow-go{align-content:start;gap:.15rem;min-width:0;display:grid}.dh-rtitle{color:var(--ink);margin:0;font-size:1rem;font-weight:700;line-height:1.3}.dh-rtag{color:var(--muted);max-width:var(--measure);margin:0}.dh-crow .dh-learn{max-width:var(--measure);margin:.15rem 0 0}.dh-crow-acts{flex-wrap:wrap;align-items:center;gap:.25rem .75rem;margin-top:.55rem;display:flex}.dh-rstats,.dh-crow .dh-morebtn{margin:0}.dh-start{gap:.3rem}.dh-list .dh-more-in{margin:0 1.25rem 0 4rem;padding:0 0 1.1rem}.dh-card .dh-more-in{padding-inline:0}.dh-lib-sk .dh-card-main>span:not(.dh-sk-more),.dh-lib-sk .dh-next{justify-self:stretch;display:block}.dh-lib-sk .dh-prog-top{display:flex}.dh-sk-more{border-radius:.45rem;width:11rem;height:1.875rem;margin-top:.35rem;display:block}.dh-sk-pct{height:1.5rem}.dh-sk-cbtn{border-radius:var(--radius-control);width:7rem;height:2.25rem;margin-top:auto;display:block}.dh-sig{grid-template-columns:1.75rem minmax(0,1fr) auto;align-items:center;column-gap:1rem;padding:.95rem 1.25rem;display:grid}.dh-sig-txt{gap:.2rem;min-width:0;display:grid}.dh-sig-d{color:var(--muted);max-width:var(--measure);margin:0}.dh-notes{max-width:var(--measure);color:var(--muted);margin:0}.dh-notes a{color:var(--ink-2);text-decoration:underline;-webkit-text-decoration-color:var(--line-input);-webkit-text-decoration-color:var(--line-input);text-decoration-color:var(--line-input)}.dh-notes a:hover{color:var(--accent);text-decoration-color:currentColor}@media (width>=1024px){.dh-top{grid-template-columns:minmax(0,7fr) minmax(0,5fr);align-items:stretch}.dh-card-grid{grid-template-columns:11rem minmax(0,1fr) 16rem}.dh-art{background:var(--surface-2);border-radius:.6rem;justify-content:center;align-items:center;height:7.5rem;display:flex}.dh-art .course-art{color:var(--ink-2)}.dh-card .dh-more-in{margin-left:12.75rem}.dh-crow-txt{grid-template-columns:repeat(2,minmax(0,1fr));align-items:baseline;column-gap:3rem}.dh-crow-go>.dh-learn{margin-top:0}}@media (width>=768px){.cpath-hero{grid-template-columns:minmax(0,1fr) auto;align-items:start;column-gap:2.5rem;display:grid}.cpath-hero-text{min-width:0}.cpath-hero .t-title{max-width:56rem}.cpath-tagline{max-width:42rem;color:var(--ink-2);text-wrap:pretty;margin-top:.75rem;font-size:1.125rem;line-height:1.5}.cpath-stats{margin-top:.75rem}.cpath-stats a{color:var(--ink-2);text-decoration:underline;-webkit-text-decoration-color:var(--line-input);-webkit-text-decoration-color:var(--line-input);text-decoration-color:var(--line-input)}.cpath-stats a:hover{color:var(--accent);text-decoration-color:currentColor}.cpath-art{color:var(--muted);margin-top:-.25rem}.cpath-hero-mod{grid-template-columns:calc(3.5rem + 1px) minmax(0,1fr);column-gap:1.25rem}.cpath-hero-num{letter-spacing:-.03em;color:var(--faint);text-align:right;padding-top:.05em;font-size:3.5rem;font-weight:800;line-height:1}.cpath-hero-mod .t-title{max-width:52rem}.cpath-top{flex-wrap:wrap;align-items:center;gap:.75rem 1rem;margin-top:1.75rem;display:flex}.cpath-is-module .cpath-top{margin-left:calc(4.75rem + 1px)}.cpath-cta{gap:.55rem}.cpath-lockline>span{text-wrap:pretty}.cpath-cta-skel{border-radius:.6rem;width:13.5rem;height:2.75rem;display:inline-block}.cpath-about-btn{gap:.4rem;min-height:2.75rem}.cpath-about-chev{transition:transform .2s var(--ease);color:var(--muted);transform:rotate(90deg)}.cpath-about-btn[aria-expanded=true] .cpath-about-chev{transform:rotate(-90deg)}.cpath-prog{gap:.45rem;width:17rem;margin-left:auto;display:grid}.cpath-prog .meter{background:var(--line-2);height:.375rem}.cpath-skel-bar{border-radius:999px;height:.375rem;display:block}.cpath-skel-line{width:80%;height:.8rem;display:block}.cpath-next-inline,.cpath-retry{flex-basis:100%;margin-top:-.25rem}.cpath-lockline,.cpath-done{min-height:2.75rem;color:var(--ink-2);align-items:center;gap:.5rem;font-size:.9375rem;font-weight:600;display:inline-flex}.cpath-lockline svg{color:var(--due);flex:none}.cpath-done svg{color:var(--mastery);flex:none}.cpath-done-note{color:var(--muted);font-weight:500}.cpath-about-in,.cpath-about .cpath-collapse-in{max-width:var(--measure)}.cpath-about-desc{color:var(--ink-2);padding-top:1rem;font-size:.9375rem;line-height:1.65}.cpath-about-aud{color:var(--ink-2);margin-top:.6rem;padding-bottom:.25rem;font-size:.9375rem;line-height:1.6}.cpath-about-aud strong{color:var(--ink);font-weight:650}.cpath-key{border-top:1px solid var(--line);color:var(--muted);flex-wrap:wrap;align-items:center;gap:.5rem 1.4rem;margin:1.5rem 0 0;padding:.9rem 0 0;font-size:.8125rem;font-weight:500;list-style:none;display:flex}.cpath-key li{align-items:center;gap:.5rem;display:inline-flex}.cpath-is-module .cpath-key{margin-top:1.25rem}.cpath-key .cpath-key-rule{color:var(--muted);font-weight:400}.cpath-cell{background:var(--surface-3);width:20px;height:8px;box-shadow:inset 0 0 0 1px var(--line-input);border-radius:2px;flex:none;display:inline-block}.cpath-diamond{background:var(--surface-3);width:9px;height:9px;box-shadow:inset 0 0 0 1px var(--line-input);border-radius:1.5px;flex:none;margin:0 3px;display:inline-block;transform:rotate(45deg)}.cpath-diamond.lg{width:11px;height:11px;margin:0 auto}:is(.cpath-cell,.cpath-diamond).s-started{background:var(--accent);box-shadow:none}:is(.cpath-cell,.cpath-diamond).s-open{background:var(--due);box-shadow:none}:is(.cpath-cell,.cpath-diamond).s-closed{background:var(--mastery);box-shadow:none}:is(.cpath-cell,.cpath-diamond).s-locked{box-shadow:none;border:1px dashed var(--line-input);background:0 0}.cpath-diamond.s-locked{--dash-h:linear-gradient(90deg, var(--line-input) 0 22%, transparent 22% 39%, var(--line-input) 39% 61%, transparent 61% 78%, var(--line-input) 78%);--dash-v:linear-gradient(180deg, var(--line-input) 0 22%, transparent 22% 39%, var(--line-input) 39% 61%, transparent 61% 78%, var(--line-input) 78%);background:var(--dash-h) top / 100% 1px no-repeat, var(--dash-h) bottom / 100% 1px no-repeat, var(--dash-v) left / 1px 100% no-repeat, var(--dash-v) right / 1px 100% no-repeat;border:0;border-radius:0}:is(.cpath-cell,.cpath-diamond).skeleton{background:linear-gradient(90deg, var(--surface-2) 0%, var(--surface-3) 50%, var(--surface-2) 100%);box-shadow:none;background-size:200% 100%}.cpath-cell.skeleton{border-radius:2px}.cpath-diamond.skeleton{border-radius:1.5px}.cpath-lrow>.status.skeleton{border-color:#0000;border-radius:999px}.cpath-grid{gap:2rem;margin-top:1.5rem;display:grid}.cpath-main{min-width:0}.cpath-rail{display:none}.cpath-path{gap:.375rem;margin:0;padding:0;list-style:none;display:grid}.cpath-mod{--node-y:2.15rem;--spine-x:1.25rem;grid-template-columns:2.5rem minmax(0,1fr);column-gap:.5rem;display:grid;position:relative}.cpath-mod:before,.cpath-mod:after{content:"";left:calc(var(--spine-x) - 1px);background:var(--line-2);width:2px;position:absolute}.cpath-mod:before{height:calc(var(--node-y) + .375rem);top:-.375rem}.cpath-mod:after{top:var(--node-y);bottom:0}.cpath-mod:first-child:before,.cpath-mod:last-child:after{display:none}.cpath-mod[data-state=closed]:before,.cpath-mod.next-closed:after,.cpath-mod[data-state=closed]:after,.cpath-mod.prev-closed:before{background:var(--mastery)}.cpath-node{z-index:1;left:calc(var(--spine-x) - 14px);top:calc(var(--node-y) - 14px);border:2px solid var(--line-input);background:var(--bg);width:28px;height:28px;color:var(--faint);transition:border-color .2s var(--ease), background-color .2s var(--ease);border-radius:999px;grid-column:1;place-items:center;display:grid;position:absolute}.cpath-mod[data-state=started] .cpath-node{border-color:var(--accent);background:radial-gradient(circle, var(--accent) 0 26%, var(--bg) 30%)}.cpath-mod[data-state=open] .cpath-node{border-color:var(--due);background:var(--due)}@supports (color:color-mix(in lab, red, red)){.cpath-mod[data-state=open] .cpath-node{background:color-mix(in srgb, var(--due) 18%, var(--bg))}}.cpath-mod[data-state=closed] .cpath-node{border-color:var(--mastery);background:var(--mastery);color:var(--on-status)}.cpath-mod[data-state=locked] .cpath-node{border-style:dashed}.cpath-mod.is-current .cpath-node{outline:2px solid var(--accent);outline-offset:3px}.cpath-mod[data-state=pending] .cpath-node{border-color:var(--surface-3);background:var(--surface-2)}.cpath-box{border-radius:var(--radius-sheet);min-width:0;transition:background-color .18s var(--ease), border-color .18s var(--ease);border:1px solid #0000;grid-column:2}.cpath-mod:not(.is-open)>.cpath-box:hover{background:var(--surface-2);border-color:var(--line-2)}.cpath-mod.is-open>.cpath-box{background:var(--surface);border-color:var(--line)}.cpath-head{cursor:pointer;border-radius:calc(var(--radius-sheet) - 1px);grid-template-columns:2.5rem minmax(0,1fr) 1.5rem;grid-template-areas:"num titles chev""num data chev";align-items:start;gap:.75rem 1.25rem;padding:1.15rem 1rem;display:grid;position:relative}.cpath-num{letter-spacing:-.02em;color:var(--faint);text-align:right;grid-area:num;font-size:2rem;font-weight:800;line-height:1}.cpath-titles{grid-area:titles;min-width:0}.cpath-title{letter-spacing:-.008em;text-wrap:balance;margin:.2rem 0 0;font-size:1.15rem;font-weight:700;line-height:1.3}.cpath-nobr{white-space:nowrap}.cpath-title button{font:inherit;color:var(--ink);text-align:left;cursor:pointer;background:0 0;border:0;margin:0;padding:0;display:inline}.cpath-title button:after{content:"";border-radius:inherit;position:absolute;inset:0}.cpath-title button:focus-visible{outline:none}.cpath-head:has(button:focus-visible){outline:2px solid var(--accent);outline-offset:2px}.cpath-goal{max-width:60ch;color:var(--ink-2);text-wrap:pretty;margin-top:.35rem;font-size:.9375rem;line-height:1.5}.cpath-reason{color:var(--ink-2);align-items:center;gap:.45rem;margin-top:.5rem;font-size:.8125rem;font-weight:600;display:flex}.cpath-reason svg{color:var(--due);flex:none}.cpath-mod[data-state=locked] .cpath-title button{color:var(--ink-2)}.cpath-mod[data-state=locked] .cpath-goal{color:var(--muted)}.cpath-data{grid-area:data;align-content:start;justify-items:start;gap:.5rem;display:grid}.cpath-strip{z-index:1;flex-wrap:wrap;align-items:center;gap:4px;min-height:12px;display:flex;position:relative}.cpath-data-top{justify-self:stretch;align-items:center;gap:.5rem;min-width:0;display:flex}.cpath-pagelink{z-index:1;color:var(--muted);flex:none;margin:-.5rem -.5rem -.5rem auto;transition:opacity .14s,background-color .14s,color .14s;position:relative}.cpath-mod:not(.is-open) .cpath-pagelink{opacity:0}.cpath-mod:not(.is-open) .cpath-head:hover .cpath-pagelink,.cpath-mod .cpath-pagelink:focus-visible{opacity:1}.cpath-head .cpath-pagelink:hover{background:var(--surface-3);color:var(--ink)}.cpath-chev{color:var(--muted);transition:transform .2s var(--ease), color .14s ease;grid-area:chev;padding-top:.3rem}.cpath-head:hover .cpath-chev{color:var(--ink)}.cpath-mod.is-open .cpath-chev{transform:rotate(90deg)}.cpath-mod.is-open .cpath-head:hover{background:var(--surface-2);border-bottom-right-radius:0;border-bottom-left-radius:0}.cpath-collapse{transition:grid-template-rows .24s var(--ease);grid-template-rows:0fr;display:grid}.cpath-collapse[data-open]{grid-template-rows:1fr}.cpath-collapse-in{min-height:0;overflow:hidden}.cpath-static .cpath-collapse,.cpath-static .cpath-box,.cpath-static .cpath-chev,.cpath-static .cpath-node{transition:none}.cpath-lessons{border-top:1px solid var(--line);margin:0;padding:.25rem .5rem .5rem;list-style:none}.cpath-lesson+.cpath-lesson{border-top:1px solid var(--line)}.cpath-lrow{border-radius:var(--radius-control);min-height:3.5rem;color:var(--ink);grid-template-columns:2.5rem minmax(0,1fr) 6.5rem 3.75rem 1.5rem;align-items:center;column-gap:1.25rem;padding:.7rem .5rem;text-decoration:none;transition:background-color .14s;display:grid}a.cpath-lrow:hover{background:var(--surface-2);text-decoration:none}a.cpath-lrow:hover .cpath-ltitle{text-decoration:underline;-webkit-text-decoration-color:var(--line-input);-webkit-text-decoration-color:var(--line-input);text-decoration-color:var(--line-input);text-underline-offset:.18em}.cpath-lesson.is-next .cpath-lrow{background:var(--accent-soft)}.cpath-ln{color:var(--faint);text-align:right;justify-content:flex-end;font-size:.875rem;font-weight:650;display:flex}.cpath-lmain{gap:.15rem;min-width:0;display:grid}.cpath-ltitle{color:var(--ink);font-size:.9375rem;font-weight:600;line-height:1.4}.cpath-lhook{color:var(--muted);font-size:.8125rem;line-height:1.45}.cpath-lbloom{color:var(--muted);font-size:.8125rem;font-weight:500}.cpath-lmin{color:var(--muted);text-align:right;white-space:nowrap;font-size:.8125rem;font-weight:500}.cpath-lrow>.status{justify-self:center}.cpath-lrow>.status.locked svg{width:.7rem;height:.7rem}.cpath-lesson[data-state=locked] .cpath-ltitle{color:var(--ink-2);font-weight:550}.cpath-soon{grid-column:2/-1}.cpath-lessons .cpath-cp .cpath-lrow{grid-template-columns:2.5rem minmax(0,1fr) auto 1.5rem}.cpath-cp .cpath-ln{color:var(--muted);padding-right:.1rem}.cpath-cpstate{text-align:right;white-space:nowrap;color:var(--ink-2);font-size:.8125rem;font-weight:600}.cpath-cp[data-state=passed] .cpath-cpstate{color:var(--mastery)}.cpath-cp:is([data-state=cooling],[data-state=attempted]) .cpath-cpstate{color:var(--due)}.cpath-cp[data-state=locked] .cpath-cpstate{color:var(--muted);font-weight:500}.cpath-lrow-split{position:relative}.cpath-lrow-link{color:inherit;text-decoration:none}.cpath-lrow-link:after{content:"";border-radius:inherit;position:absolute;inset:0}.cpath-lrow-link:focus-visible{outline:none}.cpath-lrow-split:has(.cpath-lrow-link:focus-visible){outline:2px solid var(--accent);outline-offset:2px}.cpath-lrow-split:hover{background:var(--surface-2)}.cpath-lrow-split:has(.cpath-lrow-link:hover) .cpath-ltitle{text-decoration:underline;-webkit-text-decoration-color:var(--line-input);-webkit-text-decoration-color:var(--line-input);text-decoration-color:var(--line-input);text-underline-offset:.18em}.cpath-retake{z-index:1;justify-items:start;gap:.1rem;font-size:.8125rem;line-height:1.35;text-decoration:none;display:grid;position:relative}.cpath-retake-a{color:var(--due);text-decoration:underline;-webkit-text-decoration-color:var(--due);-webkit-text-decoration-color:var(--due);text-decoration-color:var(--due);font-weight:650}@supports (color:color-mix(in lab, red, red)){.cpath-retake-a{-webkit-text-decoration-color:color-mix(in srgb, var(--due) 45%, transparent);-webkit-text-decoration-color:color-mix(in srgb, var(--due) 45%, transparent);text-decoration-color:color-mix(in srgb, var(--due) 45%, transparent)}}.cpath-retake-a{text-underline-offset:.18em}.cpath-retake:hover .cpath-retake-a{text-decoration-color:currentColor}.cpath-retake-b{color:var(--muted);font-weight:500}.cpath-focus{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sheet)}.cpath-focus .cpath-lessons{border-top:0;padding-top:.5rem}.cpath-modnav{grid-template-columns:1fr 1fr;gap:1rem;margin-top:1.5rem;display:grid}.cpath-modnav a{border:1px solid var(--line);border-radius:var(--radius-sheet);min-height:4.5rem;color:var(--ink);align-items:flex-start;gap:.85rem;padding:1rem 1.15rem;text-decoration:none;transition:background-color .14s,border-color .14s;display:flex}.cpath-modnav a:hover{background:var(--surface-2);border-color:var(--line-2);text-decoration:none}.cpath-modnav a>.min-w-0{gap:.2rem;display:grid}.cpath-modnav-t{font-size:.9375rem;font-weight:650;line-height:1.4}.cpath-modnav-arrow{color:var(--muted);flex:none;margin-top:.1rem}.cpath-modnav-prev .cpath-modnav-arrow{transform:rotate(180deg)}.cpath-modnav-next{text-align:right;flex-direction:row-reverse}}@media (width>=1024px){.cpath-head{grid-template-columns:2.5rem minmax(0,1fr) 16rem 1.5rem;grid-template-areas:"num titles data chev"}.cpath-data{padding-top:.3rem}.cpath-lrow{grid-template-columns:2.5rem minmax(0,1fr) 6.5rem 3.75rem 1.5rem}}@media (width>=768px) and (width<=1023px){.cpath-lrow{grid-template-columns:2.5rem minmax(0,1fr) 3.75rem 1.5rem}.cpath-lbloom{display:none}.cpath-retake{grid-area:2/2;grid-auto-flow:column;justify-content:start;justify-self:start;align-items:baseline;gap:.5rem;margin-top:.35rem}.cpath-hero .cpath-art{display:none}.cpath-hero{grid-template-columns:minmax(0,1fr)}.cpath-hero-mod{grid-template-columns:calc(3.5rem + 1px) minmax(0,1fr)}}@media (width>=1280px){.cpath-grid{grid-template-columns:minmax(0,1fr) 17.5rem;align-items:start;column-gap:3rem}.cpath-next-inline{display:none}.cpath-rail{top:calc(var(--header-h) + 1.5rem);border-left:1px solid var(--line);padding-left:1.5rem;display:block;position:sticky}.cpath-rail-h{color:var(--ink);align-items:center;gap:.5rem;font-size:1rem;font-weight:700;line-height:1.3;display:flex}.cpath-rail-h svg{color:var(--accent);flex:none}.cpath-rail-body{gap:1rem;margin-top:1rem;display:grid}.cpath-rail-skel{gap:.75rem;margin-top:1rem;display:grid}.cpath-rail-skel .skeleton{height:3.25rem;display:block}.cpath-rail-skel .skeleton:last-child{height:2.25rem}.cpath-rail-mod{color:var(--ink);grid-template-columns:2rem minmax(0,1fr);align-items:start;gap:.6rem;text-decoration:none;display:grid}a.cpath-rail-mod:hover .cpath-rail-mt{color:var(--accent);text-decoration:underline}.cpath-rail-num{color:var(--faint);text-align:right;font-size:1.6rem;font-weight:800;line-height:1}.cpath-rail-mt{padding-top:.1rem;font-size:.9375rem;font-weight:650;line-height:1.4}.cpath-rail-prog{gap:.45rem;display:grid}.cpath-rail-next{border-top:1px solid var(--line);grid-template-columns:1.25rem minmax(0,1fr);align-items:start;gap:.75rem;padding-top:1rem;display:grid}.cpath-rail-next>.status,.cpath-rail-next>.cpath-diamond{margin-top:.1rem}.cpath-rail-lt{color:var(--ink);font-size:.9375rem;font-weight:650;line-height:1.4}.cpath-rail-lt .t-num{color:var(--faint);margin-right:.15rem}.cpath-rail-hook{color:var(--muted);margin-top:.2rem;font-size:.8125rem;line-height:1.45}.cpath-rail-next .t-meta{margin-top:.3rem}.cpath-rail .cpath-rail-btn{justify-content:center;width:100%;min-height:2.5rem}.cpath-rail-done{color:var(--ink-2);font-size:.9375rem;line-height:1.5}.cpath-rail-prog .meter{background:var(--line-2)}.cpath-rail-mods{gap:.125rem;margin:0;padding:0;list-style:none;display:grid}.cpath-rail-mods a{border-radius:var(--radius-control);min-height:2rem;color:var(--ink-2);grid-template-columns:1.5rem minmax(0,1fr) 20px;align-items:center;column-gap:.6rem;padding:.25rem .5rem;font-size:.875rem;line-height:1.35;text-decoration:none;transition:background-color .14s;display:grid}.cpath-rail-mods a:hover{background:var(--surface-2);color:var(--ink)}.cpath-rail-mods a[aria-current=page]{background:var(--accent-soft);color:var(--ink);font-weight:650}.cpath-rail-mn{color:var(--faint);text-align:right;font-weight:700}.cpath-rail-ml{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}}:is(.sess-desk,.dash,.coach-list,.coach-aside) :is(.sess-glyph,.dash-glyph,.coach-glyph){color:var(--muted);flex:none}:is(.sess-desk,.dash,.coach-list,.coach-aside) .tone-accent{color:var(--accent)}:is(.sess-desk,.dash,.coach-list,.coach-aside) .tone-due{color:var(--due)}:is(.sess-desk,.dash,.coach-list,.coach-aside) .tone-info{color:var(--info)}:is(.sess-desk,.dash,.coach-list,.coach-aside) .tone-mastery{color:var(--mastery)}:is(.sess-desk,.dash,.coach-list,.coach-aside) .tone-danger{color:var(--danger)}.sess-desk{align-items:start;gap:1.5rem;display:grid}.sess-plan{overflow:clip}.sess-plan-head{justify-content:space-between;align-items:baseline;gap:1rem;padding:1.25rem 1.5rem 0;display:flex}.sess-plan-head h2{margin:0}.sess-note{box-sizing:content-box;text-wrap:pretty;max-width:36rem;color:var(--muted);margin:0;padding:.35rem 1.5rem 1.1rem;font-size:.9375rem;line-height:1.5}.sess-steps{border-top:1px solid var(--line);margin:0;padding:0;list-style:none}.sess-step{transition:background-color .16s var(--ease);grid-template-columns:1.75rem minmax(0,1fr) 4.5rem 13.5rem;align-items:center;column-gap:1.25rem;padding:1rem 1.5rem;display:grid;position:relative}.sess-step:before{content:"";background:var(--line-2);width:1px;position:absolute;top:0;bottom:0;left:calc(2.375rem - .5px)}.sess-step:first-child:before{top:50%}.sess-step:last-child:before{bottom:50%}.sess-step:only-child:before{display:none}.sess-step.is-next{background:var(--accent-soft)}.sess-disc{z-index:1;border:1px solid var(--line-input);background:var(--surface);width:1.75rem;height:1.75rem;color:var(--ink-2);border-radius:999px;justify-content:center;align-items:center;font-size:.875rem;font-weight:700;line-height:1;display:inline-flex;position:relative}.is-next .sess-disc{border:2px solid var(--accent);color:var(--accent)}.is-done .sess-disc{border-color:var(--mastery);background:var(--mastery);color:var(--on-status)}.is-idle .sess-disc{border-style:dashed}.sess-step-body{min-width:0}.sess-step-title{letter-spacing:-.008em;min-width:0;color:var(--ink);align-items:center;gap:.5rem;margin:0;font-size:1.125rem;font-weight:700;line-height:1.3;display:flex}.sess-step-title>span:last-child{min-width:0}.sess-step-sub{color:var(--muted);text-wrap:pretty;max-width:40rem;margin:.3rem 0 0;padding-left:calc(18px + .5rem);font-size:.9375rem;line-height:1.45}.sess-step-sub .t-id{color:var(--ink-2)}.sess-step-from{max-width:40rem;color:var(--ink-2);-webkit-line-clamp:1;-webkit-box-orient:vertical;margin:.2rem 0 0;padding-left:calc(18px + .5rem);font-size:.8125rem;line-height:1.4;display:-webkit-box;overflow:hidden}.is-done .sess-step-title{color:var(--ink-2);font-weight:650}.sess-step-est{color:var(--ink-2);white-space:nowrap;justify-self:end;font-size:.9375rem;font-weight:650}.is-done .sess-step-est{color:var(--muted);font-weight:500}.sess-step-act{justify-content:flex-end;min-width:0;display:flex}.sess-step-act .btn{white-space:nowrap}.sess-done{color:var(--mastery);align-items:center;gap:.4rem;font-size:.9375rem;font-weight:650;display:inline-flex}.sess-closing{border-top:1px solid var(--line);align-items:center;gap:.75rem;padding:1rem 1.5rem 1.25rem;display:flex}.sess-closing p{color:var(--ink-2);flex:1;margin:0;font-size:.9375rem;line-height:1.5}.sess-idle{border-top:1px solid var(--line);margin:0;padding:.25rem 1.5rem .5rem 4.5rem;list-style:none}.sess-idle-row{box-sizing:border-box;grid-template-columns:1.125rem minmax(0,1fr) auto;align-items:start;column-gap:.5rem;min-height:3rem;padding-block:.75rem;display:grid}.sess-idle-row+.sess-idle-row{border-top:1px solid var(--line)}.sess-idle-row.is-sk{min-height:4.05rem}.sess-idle-row .sess-glyph{color:var(--faint);margin-top:.15rem}.sess-idle-row p{max-width:40rem;color:var(--muted);text-wrap:pretty;margin:0;font-size:.875rem;line-height:1.45}.sess-idle-t{color:var(--ink-2);font-weight:650}.sess-idle-a{white-space:nowrap;align-self:center;align-items:center;gap:.25rem;margin-left:1rem;font-size:.875rem;font-weight:600;display:inline-flex}.sess-sum{gap:1.25rem;min-width:0;padding:1.25rem 1.5rem 1.4rem;display:grid}.sess-sum h2{margin:0}.sess-goal{gap:.55rem;display:grid}.sess-goal-num{flex-wrap:wrap;align-items:baseline;gap:0 .35rem;margin:0;display:flex}.sess-goal-num>.t-num:first-child{letter-spacing:-.02em;color:var(--ink);font-size:1.75rem;font-weight:800;line-height:1.1}.sess-goal-of{color:var(--muted);font-size:.9375rem;font-weight:600}.sess-goal .t-meta{min-height:2.8em;color:var(--muted);margin:0}.sess-sum-link{white-space:nowrap;font-weight:600}.sess-ledger{border-top:1px solid var(--line);margin:0}.sess-ledger>div{border-bottom:1px solid var(--line);justify-content:space-between;align-items:baseline;gap:1rem;padding:.55rem 0;display:flex}.sess-ledger dt{color:var(--ink-2);font-size:.875rem}.sess-ledger dd{color:var(--ink);margin:0;font-size:.9375rem;font-weight:700}.coach-list{gap:.75rem;min-width:0;display:grid}.coach-list-head{flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:.25rem 1rem;display:flex}.coach-list-head h2,.coach-list-head p{margin:0}.coach-rows{margin:0;padding:0;list-style:none}.coach-row{grid-template-columns:18px minmax(0,1fr) auto;align-items:start;column-gap:.9rem;padding:1rem 1.25rem;display:grid}.coach-row+.coach-row{border-top:1px solid var(--line)}.coach-row .coach-glyph{margin-top:.15rem}.coach-row-text{min-width:0}.coach-row-h{color:var(--ink);margin:0;font-size:1rem;font-weight:650;line-height:1.35}.coach-row-d{max-width:36rem;color:var(--muted);margin:.25rem 0 0;font-size:.9375rem;line-height:1.5}.coach-row-a{white-space:nowrap;align-self:center}.coach-aside{gap:.35rem;display:grid}.coach-aside h3{margin:0}.coach-aside-row{border-radius:var(--radius-control);color:var(--ink);transition:background-color .14s var(--ease);grid-template-columns:18px minmax(0,1fr) 16px;align-items:start;gap:.65rem;margin-inline:-.75rem;padding:.7rem .75rem;text-decoration:none;display:grid}.coach-aside-row:hover{background:var(--surface-2);text-decoration:none}.coach-aside-row .coach-glyph{margin-top:.1rem}.coach-aside-text{gap:.2rem;min-width:0;display:grid}.coach-aside-h{text-wrap:pretty;font-size:.9375rem;font-weight:650;line-height:1.35}.coach-aside-a{color:var(--accent);font-size:.8125rem;font-weight:600}.coach-aside-chev{color:var(--muted);margin-top:.15rem}.dash{gap:2.5rem;min-width:0;display:grid}.dash-sec-head{justify-content:space-between;align-items:baseline;gap:1rem;margin-bottom:.75rem;display:flex}.dash-sec-head h2{margin:0}.dash-ledger{border-block:1px solid var(--line);grid-template-columns:repeat(2,minmax(0,1fr));margin:0;display:grid}.dash-ledger-item{align-content:start;gap:.15rem;min-width:0;padding:.8rem 0;display:grid}.dash-ledger-item:nth-child(2n){border-left:1px solid var(--line);padding-left:1rem}.dash-ledger-item:nth-child(n+3){border-top:1px solid var(--line)}.dash-ledger-item:last-child:nth-child(odd){grid-column:1/-1}.dash-ledger dd{margin:0}.dash-ledger-v{letter-spacing:-.01em;color:var(--ink);font-size:1.25rem;font-weight:700;line-height:1.3}.dash-ledger-link{color:inherit;text-decoration:underline 1px;-webkit-text-decoration-color:var(--line-input);-webkit-text-decoration-color:var(--line-input);text-decoration-color:var(--line-input);text-underline-offset:.2em}.dash-ledger-link:hover{color:var(--accent);text-decoration-color:currentColor}.dash-ledger-meter{max-width:12rem;padding-block:.3rem .15rem}.dash-ledger-sub{color:var(--muted)}.dash-days{grid-template-columns:repeat(7,minmax(0,1.25rem));gap:3px;margin-top:.15rem;display:grid}.dash-days i{background:var(--surface);border:1px solid var(--line-2);height:1.25rem;color:var(--muted);border-radius:.3rem;justify-content:center;align-items:center;font-size:.6875rem;font-style:normal;font-weight:700;line-height:1;display:flex}.dash-days i.on{background:var(--accent);border-color:var(--accent);color:var(--on-status)}.dash-days i.future{border-style:dashed;border-color:var(--line-input);background:0 0}.dash-days i.today{box-shadow:0 0 0 2px var(--bg), 0 0 0 3px var(--accent)}.dash-board{background:var(--line);border:1px solid var(--line);border-radius:var(--radius-sheet);grid-template-columns:minmax(0,1fr);gap:1px;margin:0;padding:0;list-style:none;display:grid;overflow:hidden}.dash-course{background:var(--surface);grid-template-rows:auto auto auto auto 1fr;gap:.55rem;min-width:0;padding:1.1rem 1.25rem 1.2rem;display:grid;position:relative}.dash-course-top{align-items:center;gap:.6rem;min-width:0;display:flex}.dash-course-name{min-width:0;color:var(--ink);font-size:1.0625rem;font-weight:700;text-decoration:none}.dash-course-name:hover{color:var(--accent);text-decoration:underline}.dash-course-pct{color:var(--ink);white-space:nowrap;margin-left:auto;font-size:1.0625rem;font-weight:700}.dash-course-pct .t-meta{color:var(--muted);font-weight:500}.dash-course-pct.is-new{color:var(--muted);font-size:.8125rem;font-weight:500}.dash-course-title{color:var(--muted);-webkit-line-clamp:2;-webkit-box-orient:vertical;margin:0;font-size:.8125rem;line-height:1.35;display:-webkit-box;overflow:hidden}.dash-cells{gap:4px;margin:.1rem 0 0;padding:0;list-style:none;display:flex}.dash-cells li{flex:1 1 0;max-width:2.25rem;display:flex}.dash-cells .dash-cell{flex:1}.dash-cell{background:var(--surface-3);height:.625rem;transition:background-color .25s var(--ease);border-radius:3px;display:block}.dash-cell.s-new{box-shadow:inset 0 0 0 1px var(--line-input)}.dash-cell.s-started{background:var(--accent)}.dash-cell.s-open{background:var(--due)}.dash-cell.s-closed{background:var(--mastery)}.dash-cell.s-locked{border:1px dashed var(--line-input);background:0 0}a.dash-cell{position:relative}a.dash-cell:before{content:"";position:absolute;inset:-7px 0}a.dash-cell:hover{outline:1px solid var(--line-input);outline-offset:2px}.dash-course-meta{color:var(--ink-2);margin:0;font-size:.8125rem}.dash-course-next{align-self:end;min-width:0;margin:0;font-size:.875rem;line-height:1.4}.dash-course-next a{color:var(--accent);-webkit-line-clamp:2;-webkit-box-orient:vertical;text-decoration:none;display:-webkit-box;overflow:hidden}.dash-course-next a:hover{text-decoration:underline}.dash-course-next-k{color:var(--ink-2);font-weight:650}.dash-key{grid-template-rows:none;align-content:start}.dash-key p{margin:0}.dash-key .t-meta{color:var(--muted)}.dash-key-list{color:var(--ink-2);gap:.4rem;margin:0;padding:0;font-size:.8125rem;list-style:none;display:grid}.dash-key-list li{align-items:center;gap:.55rem;display:flex}.dash-key-list .dash-cell{flex:none;width:1.5rem}.dash-row2,.dash-row3{gap:1.5rem;min-width:0;display:grid}.dash-side{grid-template-rows:auto 1fr;gap:1.5rem;min-width:0;display:grid}.dash-cal,.dash-list{flex-direction:column;min-width:0;padding:1.1rem 1.25rem 1.25rem;display:flex}.dash-sheet-head{align-items:center;gap:.55rem;min-width:0;display:flex}.dash-sheet-head h2{margin:0}.dash-sheet-aside{white-space:nowrap;color:var(--muted);margin-left:auto}.dash-sheet-intro{max-width:34rem;color:var(--muted);text-wrap:pretty;margin:.4rem 0 0;font-size:.875rem;line-height:1.5}.dash-rows{margin:.4rem 0 0;padding:0;list-style:none}.dash-row{border-radius:var(--radius-control);min-width:0;transition:background-color .14s var(--ease);align-items:flex-start;gap:.65rem;margin-inline:-.625rem;padding:.65rem .625rem;display:flex;position:relative}.dash-row+.dash-row:before{content:"";border-top:1px solid var(--line);position:absolute;top:0;left:.625rem;right:.625rem}.dash-row.is-link:hover{background:var(--surface-2)}.dash-row.is-link:hover:before,.dash-row.is-link:hover+.dash-row:before{opacity:0}.dash-row.is-link .dash-row-main>a:after{content:"";border-radius:inherit;position:absolute;inset:0}.dash-row.is-link .dash-row-main>a:focus-visible{outline:none}.dash-row.is-link:has(.dash-row-main>a:focus-visible){outline:2px solid var(--accent);outline-offset:0}.dash-row-main{flex:1;gap:.15rem;min-width:0;display:grid}.dash-row-main a,.dash-row-t{color:var(--ink);overflow-wrap:anywhere;font-size:.9375rem;font-weight:600;line-height:1.35;text-decoration:none}.dash-row.is-link:hover .dash-row-main>a{color:var(--accent)}.dash-row-main .t-meta{color:var(--muted)}.dash-row-glyph{color:var(--muted);flex:none;margin-top:.2rem}.dash-row-chev{color:var(--muted);flex:none;align-self:center}.dash-row.is-link:hover .dash-row-chev{color:var(--accent)}.dash-row-snip{color:var(--ink-2);-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:.875rem;line-height:1.45;display:-webkit-box;overflow:hidden}.dash-row-snip.is-one{-webkit-line-clamp:1}.dash-work{gap:.3rem;margin-top:.3rem;display:grid}.dash-work-i{color:var(--ink-2);-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:.875rem;line-height:1.45;display:-webkit-box;overflow:hidden}.dash-work-k{color:var(--ink);font-weight:650}.dash-row-meter{align-items:center;gap:.6rem;display:flex}.dash-row-meter .meter{flex:1;max-width:10rem}.dash-score{color:var(--ink-2);flex:none;align-self:center;align-items:center;gap:.4rem;font-size:.9375rem;font-weight:700;display:inline-flex}.dash-score.is-closed:before,.dash-score.is-open:before{content:"";background:var(--mastery);border-radius:999px;width:.5rem;height:.5rem}.dash-score.is-open:before{background:var(--due)}.dash-empty{max-width:36rem;color:var(--muted);margin:.6rem 0 0;font-size:.875rem;line-height:1.55}.dash-sheet-foot{color:var(--muted);margin:0;padding-top:.9rem;font-size:.8125rem;line-height:1.5}.cal{flex-direction:column;flex:auto;margin-top:1.25rem;padding-left:2.75rem;display:flex}.cal-plot{border-bottom:1px solid var(--line-2);flex:auto;grid-template-columns:repeat(4,minmax(0,1fr));height:auto;min-height:11rem;max-height:18rem;display:grid;position:relative}.cal-grid{border-top:1px solid var(--line);pointer-events:none;height:0;position:absolute;left:0;right:0}.cal-grid>span{color:var(--faint);font-size:.75rem;line-height:1rem;position:absolute;top:-.5rem;right:calc(100% + .6rem)}.cal-col{justify-content:center;align-items:flex-end;display:flex;position:relative}.cal-bar{background:var(--accent);width:1.5rem;transition:height .5s var(--ease);border-radius:4px 4px 0 0;position:relative}.cal-bar.is-over{background:var(--danger)}.cal-target{z-index:1;background:var(--ink-2);width:2.75rem;height:2px;box-shadow:0 0 0 2px var(--surface);border-radius:1px;margin:0 0 -1px -1.375rem;position:absolute;left:50%}.cal-x{flex:none;grid-template-columns:repeat(4,minmax(0,1fr));margin-top:.65rem;display:grid}.cal-x>div{text-align:center;justify-items:center;gap:.1rem;min-width:0;display:grid}.cal-x-v{color:var(--ink);font-size:1.125rem;font-weight:700;line-height:1.3}.cal-x-v.is-over{color:var(--danger)}.cal-x .t-meta{color:var(--muted)}.cal-key{color:var(--muted);flex-wrap:wrap;align-items:center;gap:.35rem 1.25rem;margin:1.1rem 0 0;display:flex}.cal-key>span{align-items:baseline;gap:.5rem;display:inline-flex}.cal-key-tick{background:var(--ink-2);border-radius:1px;flex:none;width:1.25rem;height:2px;display:inline-block;transform:translateY(-.25em)}.cal-key-over{background:var(--danger);border-radius:2px;flex:none;width:.625rem;height:.625rem;display:inline-block}.cal-targets{border-top:1px solid var(--line);grid-template-columns:repeat(4,minmax(0,1fr));margin:1rem 0 0;padding:0;list-style:none;display:grid}.cal-targets li{color:var(--muted);text-align:center;justify-items:center;gap:.15rem;padding-top:.75rem;display:grid}.cal-targets b{color:var(--ink);font-size:1rem;font-weight:700}@media (width>=768px){.dash-ledger{grid-template-columns:repeat(5,minmax(0,1fr))}.dash-ledger-item,.dash-ledger-item:nth-child(2n),.dash-ledger-item:nth-child(n+3){border-top:0;border-left:0;padding:1rem}.dash-ledger-item+.dash-ledger-item{border-left:1px solid var(--line)}.dash-ledger-item:first-child{padding-left:0}.dash-ledger-item:last-child:nth-child(odd){grid-column:auto}.dash-board{grid-template-columns:repeat(2,minmax(0,1fr))}.dash-course-title{min-height:2.7em}.dash-course-next{min-height:2.8em}.dash-row3{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width>=1024px){.sess-desk{grid-template-columns:minmax(0,1fr) 21rem;gap:2rem}.sess-sum{top:calc(var(--header-h) + 1.5rem);position:sticky}.dash-ledger-item{padding-inline:1.25rem}.dash-board{grid-template-columns:repeat(4,minmax(0,1fr))}.dash-row2{grid-template-columns:minmax(0,3fr) minmax(0,2fr)}}@media (width<=767px){.coach-row{grid-template-columns:18px minmax(0,1fr);row-gap:.75rem;padding:.9rem 1rem}.coach-row-a{grid-column:2;justify-self:start}.dash{gap:2rem}.dash-course{grid-template-rows:none}.dash-course-next{align-self:auto}.cal{padding-left:2.25rem}.cal-x .t-label,.cal-targets .t-label{font-size:.75rem}}.tl-head{margin-bottom:1.5rem}.tl-title{letter-spacing:-.025em;color:var(--ink);font-size:1.875rem;font-weight:700;line-height:2.25rem}.tl-lede{color:var(--muted);margin-top:.25rem;font-size:.875rem;line-height:1.25rem}.tl-lede b{color:var(--ink);font-weight:650}.rv-grid{gap:1rem;display:grid}.rv-sheet{background:var(--surface);border:1px solid var(--line);transition:border-color .14s var(--ease), box-shadow .14s var(--ease);border-radius:1rem}.rv-card{border-radius:inherit;outline:none;padding:1.5rem}.rv-card:focus-visible{outline:none}.rv-sheet:has(.rv-card:focus-visible){border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.rv-card-head{color:var(--muted);flex-wrap:wrap;align-items:center;gap:.4rem .5rem;font-size:.8125rem;line-height:1.3;display:flex}.rv-course{color:var(--ink-2);align-items:center;gap:.35rem;font-weight:650;display:inline-flex}.rv-tag{border:1px solid var(--line);background:var(--surface-2);color:var(--muted);border-radius:999px;padding:.05rem .5rem;font-size:.75rem;font-weight:600}.rv-pos{color:var(--faint);margin-left:auto;font-weight:500}.rv-q{color:var(--ink);white-space:pre-wrap;overflow-wrap:anywhere;margin-top:1rem;font-size:1.125rem;font-weight:600;line-height:1.45}.rv-a{border-top:1px solid var(--line);color:var(--ink-2);white-space:pre-wrap;overflow-wrap:anywhere;margin-top:1.25rem;padding-top:1.25rem;font-size:.9375rem;line-height:1.6}.rv-a.has-why .rv-a-key{color:var(--ink);font-weight:650}.rv-a-why{color:var(--ink-2);margin-top:.6rem}.rv-reveal{margin-top:1.5rem}.rv-reveal .btn{justify-content:center;width:100%}.rv-kbd-on{border-color:var(--accent-ink);background:0 0}@supports (color:color-mix(in lab, red, red)){.rv-kbd-on{border-color:color-mix(in srgb, var(--accent-ink) 55%, transparent)}}.rv-kbd-on{color:var(--accent-ink)}.rv-rate{grid-template-columns:repeat(4,minmax(0,1fr));gap:.5rem;margin-top:1.25rem;display:grid}.rv-rate-btn{border:1px solid var(--line-input);border-radius:var(--radius-control);background:var(--surface);min-height:3.5rem;color:var(--ink);cursor:pointer;transition:background-color .14s var(--ease), border-color .14s var(--ease);flex-direction:column;justify-content:center;align-items:center;gap:.3rem;padding:.55rem .35rem;font-size:.92rem;font-weight:650;display:flex}.rv-rate-btn:hover{background:var(--surface-2);border-color:var(--ink-2)}.rv-rate-top{align-items:center;gap:.4rem;display:inline-flex}.rv-rate-btn.is-again .rv-rate-label{color:var(--danger)}.rv-rate-int{color:var(--muted);font-size:.8rem;font-weight:600}@media (width<=767px){.rv-rate-int.g1{color:var(--danger)}.rv-rate-int.g2{color:var(--due)}.rv-rate-int.g3{color:var(--mastery)}.rv-rate-int.g4{color:var(--info)}.rv-keys,.rv-rate-top .kbd,.rv-kbd-on{display:none}}.rv-card-foot{border-top:1px solid var(--line);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.25rem 1rem;padding:.5rem 1.5rem;display:flex}.rv-quiet{min-width:0;max-width:100%;min-height:2.25rem;color:var(--muted);cursor:pointer;background:0 0;border:0;align-items:center;gap:.4rem;padding:0;font-size:.8125rem;font-weight:550;text-decoration:none;display:inline-flex}.rv-quiet:hover{color:var(--ink);text-decoration:underline}.rv-quiet svg{flex:none}.rv-quiet-text{text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}.rv-card-skel{min-height:14rem;padding:1.5rem}.rv-side{align-content:start;gap:1.25rem;min-width:0;display:grid}.rv-side-skel{min-height:12rem}.rv-side-h{color:var(--ink-2);align-items:center;gap:.4rem;font-size:.8125rem;font-weight:650;line-height:1.3;display:flex}.rv-meter-row{justify-content:space-between;align-items:baseline;gap:.5rem;margin-bottom:.5rem;display:flex}.rv-meter-n{color:var(--muted);font-size:.8125rem}.rv-side-note{color:var(--muted);margin-top:.5rem;font-size:.8125rem;line-height:1.4}.rv-filters{gap:1rem;display:grid}.rv-filter{gap:.4rem;display:grid}.rv-filter-label{color:var(--ink-2);font-size:.8125rem;font-weight:650}.rv-course-list{flex-wrap:wrap;gap:.35rem;display:flex}.rv-pill{border:1px solid var(--line-input);background:var(--surface);min-height:2.25rem;color:var(--ink-2);cursor:pointer;transition:background-color .14s var(--ease);border-radius:999px;align-items:center;gap:.35rem;padding:.2rem .7rem;font-size:.8125rem;font-weight:600;display:inline-flex}.rv-pill:hover{background:var(--surface-2)}.rv-pill[aria-pressed=true]{background:var(--accent-soft);border-color:var(--accent);color:var(--accent)}.rv-pill-n{color:var(--muted);font-weight:500}.rv-pill[aria-pressed=true] .rv-pill-n{color:var(--accent)}.rv-select{border-color:var(--line-input);font-size:.875rem}.rv-keys ul{gap:.45rem;margin-top:.6rem;display:grid}.rv-keys li{color:var(--ink-2);align-items:center;gap:.6rem;font-size:.875rem;line-height:1.35;display:flex}.rv-keys li b{color:var(--ink);font-weight:650}.rv-empty{background:var(--surface);border:1px solid var(--line);border-radius:1rem;padding:1.5rem}.rv-empty-glyph{background:var(--surface-2);width:3rem;height:3rem;color:var(--ink-2);border-radius:.8rem;justify-content:center;align-items:center;display:inline-flex}.rv-empty-title{letter-spacing:-.01em;margin-top:1rem;font-size:1.25rem;font-weight:750;line-height:1.3}.rv-empty-text{max-width:var(--measure);color:var(--muted);margin-top:.4rem;font-size:.9375rem;line-height:1.55}.rv-next{border-radius:var(--radius-control);background:var(--surface-2);color:var(--ink-2);flex-wrap:wrap;align-items:center;gap:.4rem;margin-top:1rem;padding:.5rem .8rem;font-size:.9375rem;display:inline-flex}.rv-next b{color:var(--ink)}.rv-how{border-top:1px solid var(--line);margin-top:1.5rem;padding-top:1.25rem}.rv-how-h{color:var(--ink);font-size:.9375rem;font-weight:700}.rv-how ul{gap:.6rem;margin-top:.75rem;display:grid}.rv-how li{max-width:var(--measure);color:var(--ink-2);align-items:flex-start;gap:.6rem;font-size:.9375rem;line-height:1.5;display:flex}.rv-how li b{color:var(--ink);font-weight:650}.rv-how li svg{color:var(--muted);flex:none;margin-top:.15rem}.rv-empty-actions{flex-wrap:wrap;gap:.5rem;margin-top:1.5rem;display:flex}.dr-choose{gap:1rem;display:grid}.dr-choose-main{align-content:start;gap:1rem;min-width:0;display:grid}.dr-setup,.dr-summary,.dr-rail,.dr-q,.dr-results,.dr-empty{background:var(--surface);border:1px solid var(--line);border-radius:1rem;padding:1.25rem}.dr-h2{letter-spacing:-.008em;color:var(--ink);font-size:1.125rem;font-weight:700;line-height:1.3}.dr-h3{color:var(--ink);margin-top:1.75rem;font-size:.9375rem;font-weight:700}.dr-help{color:var(--muted);margin-top:.2rem;font-size:.8125rem;line-height:1.4}.dr-modes{gap:.625rem;margin-top:1rem;display:grid}.dr-mode{border:1px solid var(--line-input);background:var(--surface);min-width:0;color:var(--ink);text-align:left;cursor:pointer;transition:background-color .14s var(--ease), border-color .14s var(--ease);border-radius:.75rem;flex-direction:column;align-items:stretch;gap:.5rem;padding:1rem 1.1rem;display:flex}.dr-mode:hover{background:var(--surface-2)}.dr-mode[aria-pressed=true]{border-color:var(--accent);background:var(--accent-soft)}.dr-mode-head{align-items:center;gap:.6rem;min-height:1.5rem;display:flex}.dr-mode-glyph{color:var(--ink-2);flex:none}.dr-mode[aria-pressed=true] .dr-mode-glyph{color:var(--accent)}.dr-mode-title{font-size:1rem;font-weight:700}.dr-radio{border:2px solid var(--line-input);width:1.25rem;height:1.25rem;color:var(--accent-ink);border-radius:999px;flex:none;justify-content:center;align-items:center;margin-left:auto;display:inline-flex}.dr-mode[aria-pressed=true] .dr-radio{background:var(--accent);border-color:var(--accent)}.dr-mode-blurb{color:var(--ink-2);font-size:.9rem;line-height:1.5}.dr-mode-meta{color:var(--muted);margin-top:auto;font-size:.8125rem}.dr-sizes{grid-template-columns:repeat(3,minmax(0,1fr));gap:.5rem;margin-top:.6rem;display:grid}.dr-size{border:1px solid var(--line-input);border-radius:var(--radius-control);background:var(--surface);min-width:0;color:var(--ink);text-align:left;cursor:pointer;transition:background-color .14s var(--ease), border-color .14s var(--ease);align-content:start;justify-items:start;gap:.1rem;padding:.65rem .85rem;display:grid}.dr-size:hover{background:var(--surface-2)}.dr-size[aria-pressed=true]{border-color:var(--accent);background:var(--accent-soft)}.dr-size-n{font-size:1.35rem;font-weight:800;line-height:1.1}.dr-size[aria-pressed=true] .dr-size-n{color:var(--accent)}.dr-size-sub{color:var(--ink-2);font-size:.8125rem;font-weight:650}.dr-size-word{color:var(--muted);font-size:.8125rem;line-height:1.3}.dr-size-word.is-short{color:var(--due);font-weight:650}.dr-course-chips{flex-wrap:wrap;gap:.4rem;margin-top:.6rem;display:flex}.dr-course{border-color:var(--line-input);background:var(--surface);color:var(--ink-2);cursor:pointer;transition:background-color .14s var(--ease);padding-inline:.85rem;font-size:.85rem}.dr-course:hover{background:var(--surface-2)}.dr-course.is-on{border-color:var(--accent);background:var(--accent-soft);color:var(--accent)}.dr-course.is-empty,.dr-course.is-empty:hover{color:var(--faint);cursor:not-allowed;background:0 0;border-style:dashed}.dr-why{max-width:var(--measure);color:var(--muted);align-items:flex-start;gap:.4rem;margin-top:.6rem;font-size:.8125rem;line-height:1.45;display:flex}.dr-why svg{flex:none;margin-top:.15rem}.dr-reach,.dr-ledger{margin-top:.9rem}.dr-ledger>div{border-top:1px solid var(--line);justify-content:space-between;gap:1rem;padding:.55rem 0;font-size:.9rem;display:flex}.dr-ledger dt{color:var(--muted)}.dr-ledger dd{min-width:0;color:var(--ink);text-align:right;font-weight:650}.dr-pool{color:var(--ink-2);margin-top:.9rem;font-size:.875rem;line-height:1.5}.dr-start{gap:.75rem;margin-top:1rem;display:grid}.dr-empty{gap:1.5rem;display:grid}.dr-empty-glyph{background:var(--surface-2);width:3rem;height:3rem;color:var(--ink-2);border-radius:.8rem;justify-content:center;align-items:center;display:inline-flex}.dr-empty-title{letter-spacing:-.01em;color:var(--ink);margin-top:1rem;font-size:1.25rem;font-weight:750;line-height:1.3}.dr-empty-text{max-width:var(--measure);color:var(--ink-2);margin-top:.4rem;font-size:.9375rem;line-height:1.55}.dr-empty-actions{flex-wrap:wrap;gap:.5rem;margin-top:1.25rem;display:flex}.dr-empty-side .dr-h3{margin-top:0}.dr-empty-modes{gap:.75rem;margin-top:.75rem;display:grid}.dr-empty-modes li{max-width:var(--measure);color:var(--muted);align-items:flex-start;gap:.6rem;font-size:.9rem;line-height:1.5;display:flex}.dr-empty-modes li b{color:var(--ink);font-weight:650}.dr-empty-modes .dr-mode-glyph{margin-top:.1rem}.dr-note{border:1px solid var(--due);align-items:flex-start;gap:.75rem;padding:1rem 1.25rem;display:flex}@supports (color:color-mix(in lab, red, red)){.dr-note{border:1px solid color-mix(in srgb, var(--due) 50%, var(--line))}}.dr-note{background:var(--surface);border-radius:.75rem;font-size:.9rem;line-height:1.5}.dr-note.is-danger{border-color:var(--danger)}@supports (color:color-mix(in lab, red, red)){.dr-note.is-danger{border-color:color-mix(in srgb, var(--danger) 55%, var(--line))}}.dr-note p+p{margin-top:.3rem}.dr-note-glyph{color:var(--due);flex:none;margin-top:.1rem}.dr-note-title{margin-bottom:.3rem;font-size:1rem;font-weight:700}.tl-head:has(~astro-island .dr-q,~astro-island .dr-results) .tl-lede{display:none}.dr-q,.dr-results{scroll-margin-top:calc(var(--header-h) + 1rem)}.dr-q:focus{outline:none}.dr-q:focus-visible{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.dr-run{gap:1rem;min-width:0;display:grid}.dr-rail{display:none}.dr-rail-courses{margin-top:1rem}.dr-q-head{color:var(--muted);flex-wrap:wrap;align-items:center;gap:.4rem .6rem;font-size:.8125rem;display:flex}.dr-q-mode{color:var(--ink-2);align-items:center;gap:.35rem;font-weight:650;display:inline-flex}.dr-q-tag{border:1px solid var(--line);background:var(--surface-2);color:var(--muted);border-radius:999px;padding:.05rem .55rem;font-size:.75rem;font-weight:600}.dr-q-timer{margin-left:auto}.dr-q-meter{margin-top:.85rem}.dr-prompt{color:var(--ink);margin-top:1.25rem;font-size:1.05rem;font-weight:600;line-height:1.45}.dr-hint{color:var(--muted);margin-top:.3rem;font-size:.8125rem}.dr-answer{margin-top:1.25rem}.dr-opts{flex-direction:column;gap:.5rem;display:flex}.dr-q .dr-short{border-color:var(--line-input)}.dr-opt-text{min-width:0}.dr-opt-state{flex:none;align-items:center;gap:.3rem;margin-left:auto;padding-left:.5rem;font-size:.8125rem;font-weight:700;display:inline-flex}.dr-opts .btn-big.dr-opt-missed{background:var(--mastery)}@supports (color:color-mix(in lab, red, red)){.dr-opts .btn-big.dr-opt-missed{background:color-mix(in srgb, var(--mastery) 8%, var(--surface))}}.dr-opts .btn-big.dr-opt-missed{color:var(--ink);border:2px dashed var(--mastery);box-shadow:0 4px 0 0 var(--mastery)}@supports (color:color-mix(in lab, red, red)){.dr-opts .btn-big.dr-opt-missed{box-shadow:0 4px 0 0 color-mix(in srgb, var(--mastery) 35%, var(--line))}}.dr-opt-missed .dr-opt-state{color:var(--mastery)}.dr-order{gap:.5rem;display:grid}.dr-order-row{border:1px solid var(--line);background:var(--surface-2);border-radius:.75rem;align-items:center;gap:.5rem;padding:.5rem .75rem;font-size:.9rem;display:flex}.dr-order-n{width:1.5rem;color:var(--muted);flex:none}.dr-order-text{flex:1;min-width:0}.dr-commit{gap:1.25rem;margin-top:1.5rem;display:grid}.dr-conf-label{color:var(--ink-2);margin-bottom:.45rem;font-size:.8125rem;font-weight:650}.dr-conf-seg{grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.dr-conf-seg>button{justify-content:flex-start}.dr-conf-n{color:var(--faint)}.dr-conf-seg>[aria-pressed=true] .dr-conf-n{color:var(--accent)}.dr-go{flex-wrap:wrap;align-items:center;gap:.75rem 1rem;display:flex}.dr-go-why{color:var(--muted);font-size:.8125rem}.dr-verdict{border:1px solid var(--line);background:var(--surface);border-radius:.75rem;margin-top:1.5rem;padding:1rem 1.1rem;font-size:.9375rem;line-height:1.55}.dr-verdict.is-right{border-color:var(--mastery)}@supports (color:color-mix(in lab, red, red)){.dr-verdict.is-right{border-color:color-mix(in srgb, var(--mastery) 60%, var(--line))}}.dr-verdict.is-wrong{border-color:var(--danger)}@supports (color:color-mix(in lab, red, red)){.dr-verdict.is-wrong{border-color:color-mix(in srgb, var(--danger) 60%, var(--line))}}.dr-verdict-head{flex-wrap:wrap;align-items:center;gap:.45rem;font-weight:700;display:inline-flex}.dr-verdict-key,.dr-verdict-exp{margin-top:.5rem}.dr-verdict-exp{color:var(--ink-2)}.dr-verdict-src{align-items:flex-start;gap:.35rem;margin-top:.6rem;font-size:.8125rem;font-weight:600;display:inline-flex}.dr-verdict-src svg{flex:none;margin-top:.15rem}.dr-verdict-actions{flex-direction:column;gap:.5rem;max-width:28rem;margin-top:1rem;display:flex}.dr-override{min-height:2.25rem;font-size:.875rem}.dr-res-head{border-bottom:1px solid var(--line);flex-wrap:wrap;align-items:center;gap:1rem 1.25rem;padding-bottom:1.25rem;display:flex}.dr-res-glyph{background:var(--surface-2);width:3rem;height:3rem;color:var(--ink-2);border-radius:.8rem;flex:none;justify-content:center;align-items:center;display:inline-flex}.dr-res-glyph.is-pass{color:var(--mastery);background:var(--mastery)}@supports (color:color-mix(in lab, red, red)){.dr-res-glyph.is-pass{background:color-mix(in srgb, var(--mastery) 12%, transparent)}}.dr-res-glyph.is-short{color:var(--due);background:var(--due)}@supports (color:color-mix(in lab, red, red)){.dr-res-glyph.is-short{background:color-mix(in srgb, var(--due) 12%, transparent)}}.dr-res-score{letter-spacing:-.02em;font-size:1.9rem;font-weight:800;line-height:1}.dr-res-sub{color:var(--muted);margin-top:.35rem;font-size:.875rem}.dr-res-ledger{flex-wrap:wrap;gap:.75rem 1.5rem;display:flex}.dr-res-ledger dt{color:var(--muted);font-size:.8125rem}.dr-res-ledger dd{font-size:1.25rem;font-weight:750;line-height:1.2}.dr-res-note{margin-top:1rem;font-size:.875rem}.dr-res-cols{gap:1.5rem;margin-top:1.25rem;display:grid}.dr-res-calib{color:var(--ink-2);font-size:.9375rem;line-height:1.55}.dr-res-h{margin-top:1.25rem;font-size:.9375rem;font-weight:700}.dr-res-col>:first-child{margin-top:0}.dr-bycourse{gap:.75rem;margin-top:.6rem;display:grid}.dr-bycourse-row{justify-content:space-between;gap:.5rem;margin-bottom:.35rem;font-size:.875rem;display:flex}.dr-bycourse-name{min-width:0;color:var(--ink-2);align-items:center;gap:.5rem;display:inline-flex}.dr-misses{gap:.75rem;margin-top:.6rem;display:grid}.dr-misses li{gap:.5rem;font-size:.9rem;line-height:1.5;display:flex}.dr-miss-src{font-size:.8125rem}.dr-res-deck{color:var(--muted);margin-top:.9rem;font-size:.8125rem;line-height:1.5}.dr-res-clean{font-size:.9375rem;font-weight:600}.dr-res-actions{flex-direction:column;gap:.5rem;max-width:28rem;margin-top:1.75rem;display:flex}.lb{gap:1.5rem;display:grid}.lb-ledger{border-block:1px solid var(--line);grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem 1.25rem;padding:1rem 0 1.1rem;display:grid}.lb-pair{align-content:start;gap:.15rem;min-width:0;display:grid}.lb-pair-label{color:var(--ink-2);align-items:center;gap:.4rem;font-size:.8125rem;font-weight:650;line-height:1.3;display:flex}.lb-pair-label svg{flex:none}.lb-pair-value{letter-spacing:-.02em;color:var(--ink);margin-top:.3rem;font-size:1.75rem;font-weight:800;line-height:1.1}.lb-pair-sub{color:var(--muted);font-size:.8125rem;line-height:1.35}.lb-tone-mastery{color:var(--mastery)}.lb-tone-due{color:var(--due)}.lb-tone-danger{color:var(--danger)}.lb-tone-accent{color:var(--accent)}.lb-tone-muted{color:var(--muted)}.lb-skel{min-height:9rem}.lb-next-skel{border-radius:var(--radius-slate);background:var(--surface-2);min-height:8rem}.lb-next{border:1px solid var(--scene-line);border-radius:var(--radius-slate);background:var(--scene);color:var(--scene-ink);gap:.75rem;padding:1.25rem;display:grid}.lb-next-num{display:none}.lb-next-n{letter-spacing:-.02em;color:var(--scene-accent);font-size:3.25rem;font-weight:800;line-height:1}.lb-next-num .t-id{color:var(--scene-muted)}.lb-next-body{min-width:0}.lb-next-title{letter-spacing:-.015em;text-wrap:balance;font-size:1.25rem;font-weight:800;line-height:1.25}.lb-next-title a{color:var(--scene-ink);text-decoration:none}.lb-next-title a:hover{text-decoration:underline}.lb-next-meta{color:var(--scene-muted);margin-top:.35rem;font-size:.8125rem;line-height:1.4}.lb-next-where{color:var(--scene-ink);align-items:flex-start;gap:.4rem;margin-top:.55rem;font-size:.875rem;line-height:1.45;display:flex}.lb-next-where svg{color:var(--scene-accent);flex:none;margin-top:.15rem}.lb-next-go{border-radius:var(--radius-control);background:var(--scene-accent);min-height:2.75rem;color:var(--scene);white-space:nowrap;transition:background-color .14s var(--ease);justify-self:start;align-items:center;gap:.45rem;padding:.6rem 1.1rem;font-weight:700;text-decoration:none;display:inline-flex}.lb-next-go:hover{background:var(--scene-accent)}@supports (color:color-mix(in lab, red, red)){.lb-next-go:hover{background:color-mix(in srgb, var(--scene-accent) 86%, var(--scene-ink))}}.lb-next-go:hover{text-decoration:none}.lb-file-head{flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:.5rem 1rem;display:flex}.lb-h2{color:var(--ink);font-size:1.125rem;font-weight:700;line-height:1.3}.lb-file-count{color:var(--muted);font-size:.8125rem}.lb-timeline{gap:.75rem;margin-top:.75rem;display:grid}.lb-case{border:1px solid var(--line);background:var(--surface);border-radius:1rem;grid-template-columns:1.25rem minmax(0,1fr);grid-template-areas:"node when""node body""node verdict";gap:.35rem .75rem;padding:1rem;display:grid;position:relative}.lb-when{color:var(--faint);grid-area:when;font-size:.8125rem}.lb-node{grid-area:node;margin-top:.05rem}.lb-body{grid-area:body;min-width:0}.lb-verdict{flex-wrap:wrap;grid-area:verdict;align-items:center;gap:.5rem .75rem;margin-top:.4rem;display:flex}.lb-title{flex-wrap:wrap;align-items:baseline;gap:.15rem .6rem;font-size:1.0625rem;font-weight:700;line-height:1.35;display:flex}.lb-title a{color:var(--ink);text-decoration:none}.lb-title a:hover{text-decoration:underline}.lb-id{color:var(--muted);align-items:center;gap:.35rem;font-weight:600;display:inline-flex}.lb-where{color:var(--muted);align-items:flex-start;gap:.35rem;margin-top:.3rem;font-size:.8125rem;line-height:1.4;display:flex}.lb-where svg,.lb-lab svg{flex:none;margin-top:.1rem}.lb-line{max-width:var(--measure);color:var(--ink);margin-top:.6rem;font-size:.9375rem;line-height:1.5}.lb-line-label{color:var(--muted)}.lb-words{max-width:var(--measure);margin-top:.8rem}.lb-words blockquote{border:1px solid var(--accent);padding:.75rem 1rem}@supports (color:color-mix(in lab, red, red)){.lb-words blockquote{border:1px solid color-mix(in srgb, var(--accent) 45%, var(--line))}}.lb-words blockquote{background:var(--surface);color:var(--ink);border-radius:16px 16px 16px 4px;font-size:.9375rem;line-height:1.6}.lb-words figcaption{color:var(--muted);align-items:center;gap:.35rem;margin-top:.4rem;padding-left:.25rem;font-size:.8125rem;display:flex}.lb-lab{max-width:var(--measure);color:var(--muted);align-items:flex-start;gap:.4rem;margin-top:.6rem;font-size:.8125rem;line-height:1.45;display:flex}.lb-score{color:var(--muted);font-size:.8125rem}.lb-reopen{font-size:.8125rem;font-weight:600}.lb-empty{border:1px solid var(--line);background:var(--surface);border-radius:1rem;align-items:flex-start;gap:1rem;margin-top:.75rem;padding:1.5rem;display:flex}.lb-empty-glyph{background:var(--surface-2);width:3rem;height:3rem;color:var(--ink-2);border-radius:.8rem;flex:none;justify-content:center;align-items:center;display:inline-flex}.lb-empty-body{min-width:0}.lb-empty-title{font-size:1.25rem;font-weight:750;line-height:1.3}.lb-empty-text{max-width:var(--measure);color:var(--muted);margin-top:.3rem;font-size:.9375rem;line-height:1.55}.lb-empty-steps{max-width:var(--measure);counter-reset:lb;gap:.55rem;margin-top:1rem;display:grid}.lb-empty-steps li{counter-increment:lb;color:var(--ink-2);align-items:flex-start;gap:.6rem;font-size:.9375rem;line-height:1.5;display:flex}.lb-empty-steps li:before{content:counter(lb);border:1px solid var(--line-input);font-variant-numeric:tabular-nums;width:1.5rem;height:1.5rem;color:var(--ink-2);border-radius:999px;flex:none;justify-content:center;align-items:center;margin-top:.05rem;font-size:.75rem;font-weight:700;display:inline-flex}.lb-empty-steps b{color:var(--ink);font-weight:650}@media (width<=767px){.lb-ledger{row-gap:0}.lb-pair{grid-row:span 3;grid-template-rows:subgrid;row-gap:0;padding-bottom:1rem}.lb-pair:last-child{padding-bottom:0}.lb-pair:last-child:nth-child(odd){grid-column:1/-1}.lb-pair-sub{margin-top:.15rem}}.gx{gap:1.25rem;display:grid}.gx [hidden]{display:none!important}.gx-tools{align-content:start;gap:.9rem;min-width:0;display:grid}.gx-search{position:relative}.gx-search-glyph{color:var(--muted);pointer-events:none;position:absolute;top:50%;left:.75rem;transform:translateY(-50%)}.gx-field{border:1px solid var(--line-input);border-radius:var(--radius-control);background:var(--surface);width:100%;min-height:2.75rem;color:var(--ink);transition:border-color .14s var(--ease), box-shadow .14s var(--ease);padding:.55rem 2.6rem .55rem 2.45rem;font-size:1rem}.gx-field::placeholder{color:var(--faint)}.gx-field:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft);outline:none}.gx-field::-webkit-search-cancel-button{appearance:none}.gx-clear{position:absolute;top:50%;right:.25rem;transform:translateY(-50%)}.gx-count{color:var(--muted);font-size:.8125rem}.gx-courses{flex-wrap:wrap;gap:.35rem;display:flex}.gx-course{border:1px solid var(--line-input);background:var(--surface);min-height:2.25rem;color:var(--ink-2);text-align:left;cursor:pointer;transition:background-color .14s var(--ease), color .14s var(--ease);border-radius:999px;align-items:center;gap:.45rem;padding:.3rem .75rem;font-size:.8125rem;font-weight:600;display:inline-flex}.gx-course:hover{background:var(--surface-2);color:var(--ink)}.gx-course svg{flex:none}.gx-course[aria-pressed=true]{border-color:var(--accent);background:var(--accent-soft);color:var(--accent)}.gx-n{color:var(--muted);font-weight:500}.gx-course[aria-pressed=true] .gx-n{color:var(--accent)}.gx-az{flex-wrap:wrap;gap:.15rem;display:flex}.gx-az>*{font-variant-numeric:tabular-nums;border-radius:.4rem;justify-content:center;align-items:center;min-width:2.25rem;height:2.25rem;padding-inline:.2rem;font-size:.8125rem;font-weight:650;display:inline-flex}.gx-az a{color:var(--ink-2);transition:background-color .14s var(--ease);text-decoration:none}.gx-az a:hover{background:var(--surface-2);color:var(--ink);text-decoration:none}.gx-az .is-off{color:var(--faint)}@supports (color:color-mix(in lab, red, red)){.gx-az .is-off{color:color-mix(in srgb, var(--faint) 45%, transparent)}}.gx-list{min-width:0}.gx-group{scroll-margin-top:var(--header-h)}.gx-group:not([hidden])~.gx-group:not([hidden]){margin-top:1.75rem}.gx-letter{border-bottom:1px solid var(--line-2);letter-spacing:-.01em;color:var(--ink);padding-bottom:.4rem;font-size:1.35rem;font-weight:800;line-height:1.2}.gx-row{border-bottom:1px solid var(--line);scroll-margin-top:calc(var(--header-h) + 1rem);transition:background-color .2s var(--ease);border-radius:.5rem;gap:.3rem;margin-inline:-.5rem;padding:.9rem .5rem;display:grid}.gx-term{color:var(--ink);overflow-wrap:break-word;font-size:1rem;font-weight:700;line-height:1.4}.gx-term.is-code{font-family:var(--font-mono);font-size:.9rem;font-weight:600}.gx-def{max-width:var(--measure);color:var(--ink-2);overflow-wrap:break-word;font-size:.9375rem;line-height:1.6}.gx-src{font-size:.8125rem;line-height:1.4}.gx-src a{color:var(--muted);align-items:flex-start;gap:.35rem;text-decoration:none;display:inline-flex}.gx-src a svg{flex:none;margin-top:.1rem}.gx-src a:hover{color:var(--accent);text-decoration:underline}.gx-hit{background:var(--accent);border-radius:2px}@supports (color:color-mix(in lab, red, red)){.gx-hit{background:color-mix(in srgb, var(--accent) 24%, transparent)}}.gx-hit{color:inherit}.gx-row:target{background:var(--accent-soft);border-bottom-color:#0000}.gx-row:target .gx-term{color:var(--accent)}.gx-none{border:1px dashed var(--line-input);color:var(--ink-2);border-radius:1rem;padding:1.5rem}.gx-none-actions{flex-wrap:wrap;gap:.5rem;margin-top:.9rem;display:flex}.gx-mine{border-top:1px solid var(--line-2);margin-top:3rem;padding-top:1.5rem}.gx-mine-h{letter-spacing:-.01em;align-items:center;gap:.5rem;font-size:1.35rem;font-weight:750;line-height:1.2;display:flex}.gx-mine-h svg{color:var(--ink-2)}.gx-mine-sub{max-width:var(--measure);color:var(--muted);margin-top:.3rem;font-size:.875rem}.gx-mine-list{gap:1rem;margin-top:1rem;display:grid}.gx-mine-item{min-width:0}.gx-mine-item blockquote{border:1px solid var(--accent);padding:.9rem 1.1rem}@supports (color:color-mix(in lab, red, red)){.gx-mine-item blockquote{border:1px solid color-mix(in srgb, var(--accent) 45%, var(--line))}}.gx-mine-item blockquote{background:var(--surface);color:var(--ink);border-radius:16px 16px 16px 4px;font-size:.9375rem;line-height:1.6}.gx-mine-meta{color:var(--muted);margin-top:.4rem;padding-left:.25rem;font-size:.8125rem}@media (width<=767px){.gx-courses,.gx-az{scrollbar-width:none;overscroll-behavior-x:contain;flex-wrap:nowrap;margin-inline:-1rem;padding-inline:1rem;scroll-padding-inline:1rem;overflow-x:auto}.gx-courses::-webkit-scrollbar{display:none}.gx-az::-webkit-scrollbar{display:none}.gx-course,.gx-az>*{flex:none}.gx-course{white-space:nowrap}}.you{gap:1rem;display:grid}.you-band,.you-sec{background:var(--surface);border:1px solid var(--line);border-radius:1rem;padding:1.25rem}.you-band{gap:1.25rem;display:grid}.you-band-skel{min-height:9rem}.you-sec-skel{min-height:16rem}.you-id{align-items:center;gap:1rem;min-width:0;display:flex}.you-avatar{background:var(--surface-2);width:3.25rem;height:3.25rem;color:var(--ink-2);border-radius:999px;flex:none;justify-content:center;align-items:center;display:inline-flex}.you-id-text{flex:1;min-width:0}.you-level{letter-spacing:-.015em;color:var(--ink);font-size:1.25rem;font-weight:800;line-height:1.2}.you-xp-meter{margin-top:.6rem}.you-xp{color:var(--muted);margin-top:.4rem;font-size:.8125rem}.you-ledger{grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem 1.25rem;display:grid}.you-ledger>.you-pair:first-child{grid-column:1/-1}.you-pair{align-content:start;gap:.2rem;min-width:0;display:grid}.you-pair dt{color:var(--ink-2);font-size:.8125rem;font-weight:650;line-height:1.3}.you-pair-value{letter-spacing:-.015em;color:var(--ink);font-size:1.5rem;font-weight:800;line-height:1.15}.you-of{letter-spacing:0;color:var(--muted);font-size:.875rem;font-weight:600}.you-pair-sub{color:var(--muted);font-size:.8125rem}.you-days{gap:.25rem;margin-top:.3rem;display:flex}.you-day{background:var(--surface-3);width:1.5rem;height:1.5rem;color:var(--muted);border-radius:.35rem;justify-content:center;align-items:center;font-size:.6875rem;font-weight:700;display:inline-flex}.you-day.on{background:var(--accent);color:var(--accent-ink)}.you-day.today{outline:1px solid var(--line-input);outline-offset:1px}.you-day.future{border:1px dashed var(--line-input);color:var(--muted);background:0 0}.you-cols{gap:1rem;display:grid}.you-col{align-content:start;gap:1rem;min-width:0;display:grid}.you-sec.is-danger{border-color:var(--danger)}@supports (color:color-mix(in lab, red, red)){.you-sec.is-danger{border-color:color-mix(in srgb, var(--danger) 40%, var(--line))}}.you-h{letter-spacing:-.005em;color:var(--ink);align-items:center;gap:.55rem;font-size:1.0625rem;font-weight:700;line-height:1.3;display:flex}.you-h svg{color:var(--ink-2);flex:none}.you-sec.is-danger .you-h svg{color:var(--danger)}.you-p{color:var(--muted);margin-top:.45rem;font-size:.875rem;line-height:1.5}.you-opt{color:var(--ink-2);cursor:pointer;align-items:flex-start;gap:.7rem;margin-top:.85rem;font-size:.9rem;line-height:1.5;display:flex}.you-h+.you-opt{margin-top:1rem}.you-opt b{color:var(--ink);font-weight:650}.you-opt input{width:1.1rem;height:1.1rem;accent-color:var(--accent);cursor:pointer;flex:none;margin-top:.2rem}.you-theme{margin-top:.75rem}.you-note{color:var(--muted);margin-top:.55rem;font-size:.8125rem;line-height:1.45}.you-goal{border-top:1px solid var(--line);margin-top:1.25rem;padding-top:1rem}.you-goal-row{justify-content:space-between;align-items:baseline;gap:1rem;display:flex}.you-goal-label{color:var(--ink);font-size:.9rem;font-weight:650}.you-goal-value{color:var(--ink);font-size:.9375rem;font-weight:700}.you-range{width:100%;accent-color:var(--accent);cursor:pointer;margin-top:.5rem}.you-sync-body{margin-top:.6rem;font-size:.9rem;line-height:1.5}.you-sync-body .you-field{border-color:var(--line-input);margin-top:.75rem}.you-err{margin-top:.4rem;font-size:.875rem}.you-actions{flex-wrap:wrap;gap:.5rem;margin-top:.9rem;display:flex}.you-msg{margin-top:.6rem;font-size:.875rem}.you-danger-btn{border-color:var(--danger)}@supports (color:color-mix(in lab, red, red)){.you-danger-btn{border-color:color-mix(in srgb, var(--danger) 45%, var(--line))}}.you-danger-btn{color:var(--danger)}@media (width<=1023px){.you-col{display:contents}.you-sec.is-sync{order:-1}}.nf{max-width:62rem;padding-block:.5rem 1rem}.nf-head{justify-items:start;gap:.75rem;display:grid}.nf-glyph{background:var(--surface-2);width:3.5rem;height:3.5rem;color:var(--ink-2);border-radius:1rem;justify-content:center;align-items:center;display:inline-flex}.nf-lede{max-width:var(--measure);color:var(--ink-2);font-size:1rem;line-height:1.6}.nf-cols{gap:1.5rem;margin-top:2rem;display:grid}.nf-h{color:var(--ink);margin-bottom:.5rem;font-size:.9375rem;font-weight:700}.nf-list ul{border:1px solid var(--line);background:var(--surface);border-radius:1rem;overflow:hidden}.nf-list li+li{border-top:1px solid var(--line)}.nf-row{min-height:3.5rem;color:var(--ink);transition:background-color .14s var(--ease);align-items:center;gap:.85rem;padding:.7rem 1rem;text-decoration:none;display:flex}.nf-row:hover{background:var(--surface-2);text-decoration:none}.nf-row-glyph{color:var(--ink-2);flex:none}.nf-row-text{flex:1;min-width:0;display:grid}.nf-row-title{font-size:.9375rem;font-weight:650}.nf-row-sub{color:var(--muted);font-size:.8125rem}.nf-row-chev{color:var(--faint);flex:none}@media (width<=767px){.dr-summary .dr-h2,.dr-summary .dr-ledger,.dr-reach{display:none}.dr-choose:not(.is-empty){gap:0}.dr-setup{border-bottom:0;border-bottom-right-radius:0;border-bottom-left-radius:0;padding-bottom:0}.dr-summary{border-top:0;border-top-left-radius:0;border-top-right-radius:0;padding-top:0}.dr-pool{margin-top:1.25rem}.dr-size{padding:.5rem .625rem}.dr-size-sub{font-size:.75rem}.dr-size-word:not(.is-short){display:none}}@media (width>=768px){.tl-head{margin-bottom:2rem}.tl-title{letter-spacing:-.024em;text-wrap:balance;font-size:2.35rem;font-weight:800;line-height:1.1}.tl-lede{max-width:var(--measure);color:var(--ink-2);margin-top:.6rem;font-size:1rem;line-height:1.6}.rv-sheet,.rv-empty,.dr-setup,.dr-summary,.dr-rail,.dr-q,.dr-results,.dr-empty,.lb-empty,.gx-none,.you-band,.you-sec,.nf-list ul{border-radius:var(--radius-sheet)}.rv-card{flex-direction:column;min-height:17rem;padding:2rem 2.25rem 1.75rem;display:flex}.rv-card-skel{min-height:20rem}.rv-q{letter-spacing:-.012em;text-wrap:pretty;max-width:38rem;margin-top:1.5rem;font-size:1.6rem;font-weight:700;line-height:1.3}.rv-a{color:var(--ink);font-size:1.0625rem;line-height:1.65}.rv-a>*{max-width:var(--measure)}.rv-a-why{color:var(--ink-2)}.rv-reveal{margin-top:auto;padding-top:2rem}.rv-reveal .btn{width:auto}.rv-rate{gap:.625rem;margin-top:auto;padding-top:1.75rem}.rv-rate-btn{min-height:4.25rem;padding:.7rem .5rem;font-size:1rem}.rv-card-foot{padding:.4rem 2.25rem}.rv-keys li{grid-template-columns:3.5rem minmax(0,1fr);display:grid}.rv-keys li .kbd{justify-self:start}.rv-empty{padding:2.25rem}.dr-setup{padding:1.75rem 2rem 2rem}.dr-summary{padding:1.5rem}.dr-h2{font-size:1.25rem}.dr-modes{grid-template-columns:repeat(2,minmax(0,1fr))}.dr-q,.dr-results{padding:1.75rem 2.25rem 2rem}.dr-q{max-width:54rem}.dr-prompt{letter-spacing:-.008em;text-wrap:pretty;max-width:44rem;font-size:1.25rem;font-weight:650;line-height:1.4}.dr-answer,.dr-verdict{max-width:44rem}.dr-conf-seg{display:inline-flex}.dr-empty{padding:2.25rem}.dr-verdict-actions,.dr-res-actions{flex-flow:wrap;align-items:center;max-width:none}.dr-res-ledger{margin-left:auto}.lb{gap:2.25rem}.lb-ledger{grid-template-columns:repeat(5,minmax(0,1fr));gap:0;padding:1.25rem 0}.lb-pair{border-left:1px solid var(--line);padding:0 1.25rem}.lb-pair:first-child{border-left:0;padding-left:0}.lb-pair-value{font-size:1.9rem}.lb-next{grid-template-columns:7rem minmax(0,1fr) auto;align-items:center;gap:0 2rem;padding:1.75rem 2.25rem}.lb-next-num{border-right:1px solid var(--scene-line);align-content:center;align-self:stretch;justify-items:start;gap:.4rem;padding-right:1.5rem;display:grid}.lb-next-title{font-size:1.55rem}.lb-h2{letter-spacing:-.016em;font-size:1.55rem;font-weight:750}.lb-timeline{gap:0;margin-top:1rem}.lb-case{grid-template-columns:4.5rem 1.25rem minmax(0, var(--measure)) 10.5rem;border:0;border-top:1px solid var(--line);background:0 0;border-radius:0;grid-template-areas:"when node body verdict";justify-content:start;gap:0 1.25rem;padding:1.5rem 0}.lb-case:before{content:"";background:var(--line-2);width:1px;position:absolute;top:0;bottom:0;left:calc(6.375rem - .5px)}.lb-case:first-child:before{top:1.9rem}.lb-case:last-child:before{height:1.9rem;bottom:auto}.lb-case:only-child:before{display:none}.lb-when{text-align:right;padding-top:.15rem}.lb-node{z-index:1;box-shadow:0 0 0 4px var(--bg);margin-top:.1rem;position:relative}.lb-case .lb-node.open{background:var(--due)}@supports (color:color-mix(in lab, red, red)){.lb-case .lb-node.open{background:color-mix(in srgb, var(--due) 18%, var(--bg))}}.lb-title{font-size:1.15rem}.lb-verdict{flex-direction:column;align-items:flex-start;gap:.6rem;margin-top:0}.lb-empty{gap:1.5rem;padding:2rem}.gx-letter{font-size:1.55rem}.gx-def{font-size:1rem;line-height:1.65}.gx-group,.dr-q,.dr-results,.gx-row{scroll-margin-top:0}.you{gap:1.5rem}.you-band,.you-sec{padding:1.5rem 1.75rem}.you-level{font-size:1.55rem}.you-ledger{grid-template-columns:minmax(12rem,1.3fr) minmax(0,1fr);gap:0}.you-ledger>.you-pair:first-child{grid-column:auto}.you-pair{border-left:1px solid var(--line);padding:0 1.25rem}.you-pair:first-child{border-left:0;padding-left:0}.you-cols,.you-col{gap:1.5rem}}@media (width>=1024px){.rv-grid{grid-template-columns:minmax(0,48rem) minmax(16rem,19rem);align-items:start;gap:2.5rem}.rv-side{top:calc(var(--header-h) + 1.5rem);gap:1.5rem;padding-top:.25rem;position:sticky}.rv-side>*+*{border-top:1px solid var(--line);padding-top:1.25rem}.dr-choose{grid-template-columns:minmax(0,1fr) 20rem;align-items:start;gap:2rem}.dr-summary{top:calc(var(--header-h) + 1.5rem);position:sticky}.dr-setup{background:0 0;border:0;border-radius:0;padding:calc(1.5rem + 1px) 0 0}.dr-setup .dr-h3{border-top:1px solid var(--line);margin-top:1.75rem;padding-top:1.5rem}.dr-course-chips{grid-template-columns:repeat(4,minmax(0,1fr));display:grid}.dr-course{justify-content:flex-start;min-width:0}.dr-run{grid-template-columns:minmax(0,1fr) 20rem;align-items:start;gap:2rem}.dr-run .dr-q{max-width:none}.dr-rail{top:calc(var(--header-h) + 1.5rem);padding:1.5rem;display:block;position:sticky}.dr-choose.is-empty{grid-template-columns:minmax(0,1fr)}.dr-empty{grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:start;gap:3rem}.dr-empty-side{padding-top:4rem}.dr-res-cols{grid-template-columns:minmax(0,1fr) minmax(0,1.25fr);gap:2.5rem}.gx{grid-template-columns:15rem minmax(0,1fr);align-items:start;gap:3rem}.gx-tools{top:calc(var(--header-h) + 1.5rem);max-height:calc(100vh - var(--header-h) - 3rem);overscroll-behavior:contain;gap:1rem;padding:.15rem .25rem 1rem .15rem;position:sticky;overflow-y:auto}.gx-courses{gap:.1rem;display:grid}.gx-course{border-radius:var(--radius-control);background:0 0;border-color:#0000;min-height:2.1rem;padding:.35rem .6rem}.gx-course[aria-pressed=true]{border-color:#0000}.gx-course-name{flex:1}.gx-az{border-top:1px solid var(--line);grid-template-columns:repeat(7,minmax(0,1fr));gap:.15rem;padding-top:.9rem;display:grid}.gx-az>*{min-width:0;height:2rem}.gx-letter{top:var(--header-h);z-index:2;background:var(--bg);padding-top:.6rem;position:sticky}.gx-row{border-radius:.5rem;grid-template-columns:minmax(0,13rem) minmax(0,1fr);gap:.3rem 2rem;margin-inline:-.75rem;padding:.7rem .75rem;scroll-margin-top:2.1rem}.gx-def{font-size:.9375rem;line-height:1.55}.gx-row>dt{grid-row:1/span 2}.gx-row>dd{grid-column:2}.gx-mine-list{grid-template-columns:repeat(2,minmax(0,1fr))}.you-cols{grid-template-columns:repeat(2,minmax(0,1fr));align-items:start;gap:1.5rem}.nf-cols{grid-template-columns:repeat(2,minmax(0,1fr));gap:2rem}}@media (width>=1280px){.you-band{grid-template-columns:minmax(0,1fr) minmax(0,1.35fr);align-items:center;gap:2.5rem}.you-pair:first-child{border-left:1px solid var(--line);padding-left:1.25rem}}@media (width>=1440px){.gx-row{grid-template-columns:minmax(0, 13rem) minmax(0, var(--measure)) minmax(11rem, 1fr)}.gx-row>dt{grid-row:1}.gx-row>.gx-src{grid-area:1/3;padding-top:.15rem}.dr-course-chips{display:flex}.dr-course{justify-content:center}}}@layer utilities{.pointer-events-none{pointer-events:none}.\!visible{visibility:visible!important}.collapse{visibility:collapse}.invisible{visibility:hidden}.visible{visibility:visible}.sr-only{clip-path:inset(50%);white-space:nowrap;border-width:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.absolute{position:absolute}.fixed{position:fixed}.relative{position:relative}.static{position:static}.sticky{position:sticky}.inset-0{inset:0}.inset-y-0{inset-block:0}.-top-7{top:calc(var(--spacing) * -7)}.top-0{top:0}.top-3{top:calc(var(--spacing) * 3)}.left-0{left:0}.left-1\/2{left:50%}.isolate{isolation:isolate}.z-40{z-index:40}.container{width:100%}@media (width>=40rem){.container{max-width:40rem}}@media (width>=48rem){.container{max-width:48rem}}@media (width>=64rem){.container{max-width:64rem}}@media (width>=80rem){.container{max-width:80rem}}@media (width>=96rem){.container{max-width:96rem}}.m-0{margin:0}.mx-auto{margin-inline:auto}.my-0{margin-block:0}.my-2{margin-block:calc(var(--spacing) * 2)}.my-4{margin-block:calc(var(--spacing) * 4)}.my-6{margin-block:calc(var(--spacing) * 6)}.mt-0\.5{margin-top:calc(var(--spacing) * .5)}.mt-1{margin-top:var(--spacing)}.mt-1\.5{margin-top:calc(var(--spacing) * 1.5)}.mt-2{margin-top:calc(var(--spacing) * 2)}.mt-2\.5{margin-top:calc(var(--spacing) * 2.5)}.mt-3{margin-top:calc(var(--spacing) * 3)}.mt-4{margin-top:calc(var(--spacing) * 4)}.mt-5{margin-top:calc(var(--spacing) * 5)}.mt-6{margin-top:calc(var(--spacing) * 6)}.mt-10{margin-top:calc(var(--spacing) * 10)}.mr-0\.5{margin-right:calc(var(--spacing) * .5)}.mr-1{margin-right:var(--spacing)}.mr-1\.5{margin-right:calc(var(--spacing) * 1.5)}.mr-2{margin-right:calc(var(--spacing) * 2)}.mr-auto{margin-right:auto}.mb-0\.5{margin-bottom:calc(var(--spacing) * .5)}.mb-1{margin-bottom:var(--spacing)}.mb-1\.5{margin-bottom:calc(var(--spacing) * 1.5)}.mb-2{margin-bottom:calc(var(--spacing) * 2)}.mb-3{margin-bottom:calc(var(--spacing) * 3)}.mb-4{margin-bottom:calc(var(--spacing) * 4)}.mb-6{margin-bottom:calc(var(--spacing) * 6)}.mb-8{margin-bottom:calc(var(--spacing) * 8)}.mb-12{margin-bottom:calc(var(--spacing) * 12)}.ml-0\.5{margin-left:calc(var(--spacing) * .5)}.ml-1{margin-left:var(--spacing)}.ml-1\.5{margin-left:calc(var(--spacing) * 1.5)}.ml-2{margin-left:calc(var(--spacing) * 2)}.ml-4{margin-left:calc(var(--spacing) * 4)}.ml-5{margin-left:calc(var(--spacing) * 5)}.ml-7{margin-left:calc(var(--spacing) * 7)}.ml-auto{margin-left:auto}.\!inline-flex{display:inline-flex!important}.block{display:block}.contents{display:contents}.flex{display:flex}.grid{display:grid}.hidden{display:none}.inline{display:inline}.inline-block{display:inline-block}.inline-flex{display:inline-flex}.table{display:table}.h-1\.5{height:calc(var(--spacing) * 1.5)}.h-2{height:calc(var(--spacing) * 2)}.h-2\.5{height:calc(var(--spacing) * 2.5)}.h-3{height:calc(var(--spacing) * 3)}.h-3\.5{height:calc(var(--spacing) * 3.5)}.h-4{height:calc(var(--spacing) * 4)}.h-6{height:calc(var(--spacing) * 6)}.h-8{height:calc(var(--spacing) * 8)}.h-9{height:calc(var(--spacing) * 9)}.h-14{height:calc(var(--spacing) * 14)}.h-full{height:100%}.\!min-h-\[44px\]{min-height:44px!important}.min-h-11{min-height:calc(var(--spacing) * 11)}.min-h-24{min-height:calc(var(--spacing) * 24)}.min-h-\[2\.25rem\]{min-height:2.25rem}.min-h-\[4\.5rem\]{min-height:4.5rem}.min-h-screen{min-height:100vh}.\!w-12{width:calc(var(--spacing) * 12)!important}.\!w-14{width:calc(var(--spacing) * 14)!important}.\!w-20{width:calc(var(--spacing) * 20)!important}.\!w-24{width:calc(var(--spacing) * 24)!important}.\!w-32{width:calc(var(--spacing) * 32)!important}.\!w-40{width:calc(var(--spacing) * 40)!important}.\!w-44{width:calc(var(--spacing) * 44)!important}.\!w-auto{width:auto!important}.w-0\.5{width:calc(var(--spacing) * .5)}.w-1\/2{width:50%}.w-2{width:calc(var(--spacing) * 2)}.w-2\/5{width:40%}.w-3\/4{width:75%}.w-3\/5{width:60%}.w-4{width:calc(var(--spacing) * 4)}.w-5{width:calc(var(--spacing) * 5)}.w-6{width:calc(var(--spacing) * 6)}.w-8{width:calc(var(--spacing) * 8)}.w-10{width:calc(var(--spacing) * 10)}.w-12{width:calc(var(--spacing) * 12)}.w-14{width:calc(var(--spacing) * 14)}.w-16{width:calc(var(--spacing) * 16)}.w-20{width:calc(var(--spacing) * 20)}.w-28{width:calc(var(--spacing) * 28)}.w-36{width:calc(var(--spacing) * 36)}.w-40{width:calc(var(--spacing) * 40)}.w-full{width:100%}.max-w-2xl{max-width:var(--container-2xl)}.max-w-3xl{max-width:var(--container-3xl)}.max-w-5xl{max-width:var(--container-5xl)}.max-w-7xl{max-width:var(--container-7xl)}.max-w-\[26rem\]{max-width:26rem}.max-w-\[100rem\]{max-width:100rem}.max-w-\[1120px\]{max-width:1120px}.max-w-md{max-width:var(--container-md)}.max-w-none{max-width:none}.max-w-sm{max-width:var(--container-sm)}.\!min-w-0{min-width:0!important}.\!min-w-14{min-width:calc(var(--spacing) * 14)!important}.min-w-0{min-width:0}.min-w-\[3\.5rem\]{min-width:3.5rem}.min-w-\[8\.5rem\]{min-width:8.5rem}.min-w-\[8rem\]{min-width:8rem}.min-w-\[9rem\]{min-width:9rem}.min-w-\[10\.5rem\]{min-width:10.5rem}.min-w-\[10rem\]{min-width:10rem}.min-w-\[12rem\]{min-width:12rem}.min-w-\[140px\]{min-width:140px}.min-w-\[180px\]{min-width:180px}.flex-1{flex:1}.shrink{flex-shrink:1}.shrink-0{flex-shrink:0}.grow{flex-grow:1}.border-collapse{border-collapse:collapse}.-translate-x-1\/2{--tw-translate-x:calc(calc(1 / 2 * 100%) * -1);translate:var(--tw-translate-x) var(--tw-translate-y)}.-rotate-90{rotate:-90deg}.rotate-90{rotate:90deg}.transform{transform:var(--tw-rotate-x,) var(--tw-rotate-y,) var(--tw-rotate-z,) var(--tw-skew-x,) var(--tw-skew-y,)}.animate-pulse{animation:var(--animate-pulse)}.cursor-help{cursor:help}.cursor-pointer{cursor:pointer}.resize{resize:both}.list-decimal{list-style-type:decimal}.list-disc{list-style-type:disc}.grid-cols-1{grid-template-columns:repeat(1,minmax(0,1fr))}.grid-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-cols-\[repeat\(auto-fill\,minmax\(7\.5rem\,1fr\)\)\]{grid-template-columns:repeat(auto-fill,minmax(7.5rem,1fr))}.flex-col{flex-direction:column}.flex-wrap{flex-wrap:wrap}.place-items-center{place-items:center}.content-center{align-content:center}.\!items-start{align-items:flex-start!important}.items-baseline{align-items:baseline}.items-center{align-items:center}.items-end{align-items:flex-end}.items-start{align-items:flex-start}.\!justify-start{justify-content:flex-start!important}.justify-between{justify-content:space-between}.justify-center{justify-content:center}.justify-start{justify-content:flex-start}.gap-1{gap:var(--spacing)}.gap-1\.5{gap:calc(var(--spacing) * 1.5)}.gap-2{gap:calc(var(--spacing) * 2)}.gap-2\.5{gap:calc(var(--spacing) * 2.5)}.gap-3{gap:calc(var(--spacing) * 3)}.gap-4{gap:calc(var(--spacing) * 4)}:where(.space-y-0\.5>:not(:last-child)){--tw-space-y-reverse:0;margin-block-start:calc(calc(var(--spacing) * .5) * var(--tw-space-y-reverse));margin-block-end:calc(calc(var(--spacing) * .5) * calc(1 - var(--tw-space-y-reverse)))}:where(.space-y-1>:not(:last-child)){--tw-space-y-reverse:0;margin-block-start:calc(var(--spacing) * var(--tw-space-y-reverse));margin-block-end:calc(var(--spacing) * calc(1 - var(--tw-space-y-reverse)))}:where(.space-y-1\.5>:not(:last-child)){--tw-space-y-reverse:0;margin-block-start:calc(calc(var(--spacing) * 1.5) * var(--tw-space-y-reverse));margin-block-end:calc(calc(var(--spacing) * 1.5) * calc(1 - var(--tw-space-y-reverse)))}:where(.space-y-2>:not(:last-child)){--tw-space-y-reverse:0;margin-block-start:calc(calc(var(--spacing) * 2) * var(--tw-space-y-reverse));margin-block-end:calc(calc(var(--spacing) * 2) * calc(1 - var(--tw-space-y-reverse)))}:where(.space-y-2\.5>:not(:last-child)){--tw-space-y-reverse:0;margin-block-start:calc(calc(var(--spacing) * 2.5) * var(--tw-space-y-reverse));margin-block-end:calc(calc(var(--spacing) * 2.5) * calc(1 - var(--tw-space-y-reverse)))}:where(.space-y-3>:not(:last-child)){--tw-space-y-reverse:0;margin-block-start:calc(calc(var(--spacing) * 3) * var(--tw-space-y-reverse));margin-block-end:calc(calc(var(--spacing) * 3) * calc(1 - var(--tw-space-y-reverse)))}.gap-x-2{column-gap:calc(var(--spacing) * 2)}.gap-x-3{column-gap:calc(var(--spacing) * 3)}.gap-x-4{column-gap:calc(var(--spacing) * 4)}:where(.space-x-2>:not(:last-child)){--tw-space-x-reverse:0;margin-inline-start:calc(calc(var(--spacing) * 2) * var(--tw-space-x-reverse));margin-inline-end:calc(calc(var(--spacing) * 2) * calc(1 - var(--tw-space-x-reverse)))}.gap-y-0\.5{row-gap:calc(var(--spacing) * .5)}.gap-y-1{row-gap:var(--spacing)}.gap-y-1\.5{row-gap:calc(var(--spacing) * 1.5)}.gap-y-2{row-gap:calc(var(--spacing) * 2)}.self-center{align-self:center}.self-start{align-self:flex-start}.truncate{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.overflow-hidden{overflow:hidden}.overflow-visible{overflow:visible}.overflow-x-auto{overflow-x:auto}.rounded{border-radius:.25rem}.rounded-2xl{border-radius:var(--radius-2xl)}.rounded-full{border-radius:2147483647px}.rounded-lg{border-radius:var(--radius-lg)}.rounded-md{border-radius:var(--radius-md)}.rounded-xl{border-radius:var(--radius-xl)}.rounded-t-3xl{border-top-left-radius:var(--radius-3xl);border-top-right-radius:var(--radius-3xl)}.\!border-2{border-style:var(--tw-border-style)!important;border-width:2px!important}.border{border-style:var(--tw-border-style);border-width:1px}.border-0{border-style:var(--tw-border-style);border-width:0}.border-2{border-style:var(--tw-border-style);border-width:2px}.border-t{border-top-style:var(--tw-border-style);border-top-width:1px}.border-b{border-bottom-style:var(--tw-border-style);border-bottom-width:1px}.border-l-2{border-left-style:var(--tw-border-style);border-left-width:2px}.border-dashed{--tw-border-style:dashed;border-style:dashed}.border-\(--line-input\){border-color:var(--line-input)}.border-accent{border-color:var(--color-accent)}.border-danger{border-color:var(--color-danger)}.border-due{border-color:var(--color-due)}.border-info{border-color:var(--color-info)}.border-line{border-color:var(--color-line)}.border-mastery{border-color:var(--color-mastery)}.bg-accent{background-color:var(--color-accent)}.bg-bg{background-color:var(--color-bg)}.bg-line{background-color:var(--color-line)}.bg-mastery{background-color:var(--color-mastery)}.bg-surface{background-color:var(--color-surface)}.bg-surface-2{background-color:var(--color-surface-2)}.bg-transparent{background-color:#0000}.bg-white{background-color:var(--color-white)}.bg-white\/20{background-color:#fff3}@supports (color:color-mix(in lab, red, red)){.bg-white\/20{background-color:color-mix(in oklab, var(--color-white) 20%, transparent)}}.\!p-1\.5{padding:calc(var(--spacing) * 1.5)!important}.\!p-2{padding:calc(var(--spacing) * 2)!important}.p-0{padding:0}.p-0\.5{padding:calc(var(--spacing) * .5)}.p-1{padding:var(--spacing)}.p-1\.5{padding:calc(var(--spacing) * 1.5)}.p-2{padding:calc(var(--spacing) * 2)}.p-2\.5{padding:calc(var(--spacing) * 2.5)}.p-3{padding:calc(var(--spacing) * 3)}.p-4{padding:calc(var(--spacing) * 4)}.p-5{padding:calc(var(--spacing) * 5)}.p-6{padding:calc(var(--spacing) * 6)}.p-8{padding:calc(var(--spacing) * 8)}.\!px-1\.5{padding-inline:calc(var(--spacing) * 1.5)!important}.\!px-2{padding-inline:calc(var(--spacing) * 2)!important}.\!px-2\.5{padding-inline:calc(var(--spacing) * 2.5)!important}.\!px-3{padding-inline:calc(var(--spacing) * 3)!important}.\!px-3\.5{padding-inline:calc(var(--spacing) * 3.5)!important}.\!px-4{padding-inline:calc(var(--spacing) * 4)!important}.px-1{padding-inline:var(--spacing)}.px-1\.5{padding-inline:calc(var(--spacing) * 1.5)}.px-2{padding-inline:calc(var(--spacing) * 2)}.px-2\.5{padding-inline:calc(var(--spacing) * 2.5)}.px-3{padding-inline:calc(var(--spacing) * 3)}.px-4{padding-inline:calc(var(--spacing) * 4)}.px-5{padding-inline:calc(var(--spacing) * 5)}.\!py-0{padding-block:0!important}.\!py-0\.5{padding-block:calc(var(--spacing) * .5)!important}.\!py-1{padding-block:var(--spacing)!important}.\!py-1\.5{padding-block:calc(var(--spacing) * 1.5)!important}.\!py-2{padding-block:calc(var(--spacing) * 2)!important}.py-0\.5{padding-block:calc(var(--spacing) * .5)}.py-1{padding-block:var(--spacing)}.py-1\.5{padding-block:calc(var(--spacing) * 1.5)}.py-2{padding-block:calc(var(--spacing) * 2)}.py-2\.5{padding-block:calc(var(--spacing) * 2.5)}.py-3{padding-block:calc(var(--spacing) * 3)}.py-4{padding-block:calc(var(--spacing) * 4)}.py-6{padding-block:calc(var(--spacing) * 6)}.py-8{padding-block:calc(var(--spacing) * 8)}.py-10{padding-block:calc(var(--spacing) * 10)}.pt-1{padding-top:var(--spacing)}.pt-2{padding-top:calc(var(--spacing) * 2)}.pt-3{padding-top:calc(var(--spacing) * 3)}.pr-2{padding-right:calc(var(--spacing) * 2)}.pb-1{padding-bottom:var(--spacing)}.pb-2{padding-bottom:calc(var(--spacing) * 2)}.pb-3{padding-bottom:calc(var(--spacing) * 3)}.pb-6{padding-bottom:calc(var(--spacing) * 6)}.pl-2{padding-left:calc(var(--spacing) * 2)}.text-center{text-align:center}.text-left{text-align:left}.text-right{text-align:right}.align-top{vertical-align:top}.font-mono{font-family:var(--font-mono)}.\!text-xs{font-size:var(--text-xs)!important;line-height:var(--tw-leading,var(--text-xs--line-height))!important}.text-2xl{font-size:var(--text-2xl);line-height:var(--tw-leading,var(--text-2xl--line-height))}.text-3xl{font-size:var(--text-3xl);line-height:var(--tw-leading,var(--text-3xl--line-height))}.text-base{font-size:var(--text-base);line-height:var(--tw-leading,var(--text-base--line-height))}.text-lg{font-size:var(--text-lg);line-height:var(--tw-leading,var(--text-lg--line-height))}.text-sm{font-size:var(--text-sm);line-height:var(--tw-leading,var(--text-sm--line-height))}.text-xl{font-size:var(--text-xl);line-height:var(--tw-leading,var(--text-xl--line-height))}.text-xs{font-size:var(--text-xs);line-height:var(--tw-leading,var(--text-xs--line-height))}.\!text-\[10px\]{font-size:10px!important}.\!text-\[11px\]{font-size:11px!important}.\!text-\[12px\]{font-size:12px!important}.text-\[0\.7rem\]{font-size:.7rem}.text-\[0\.62rem\]{font-size:.62rem}.text-\[0\.72rem\]{font-size:.72rem}.text-\[0\.92rem\]{font-size:.92rem}.text-\[0\.98rem\]{font-size:.98rem}.text-\[11px\]{font-size:11px}.text-\[12\.5px\]{font-size:12.5px}.text-\[13px\]{font-size:13px}.leading-5{--tw-leading:calc(var(--spacing) * 5);line-height:calc(var(--spacing) * 5)}.leading-none{--tw-leading:1;line-height:1}.leading-relaxed{--tw-leading:var(--leading-relaxed);line-height:var(--leading-relaxed)}.leading-snug{--tw-leading:var(--leading-snug);line-height:var(--leading-snug)}.leading-tight{--tw-leading:var(--leading-tight);line-height:var(--leading-tight)}.font-bold{--tw-font-weight:var(--font-weight-bold);font-weight:var(--font-weight-bold)}.font-extrabold{--tw-font-weight:var(--font-weight-extrabold);font-weight:var(--font-weight-extrabold)}.font-medium{--tw-font-weight:var(--font-weight-medium);font-weight:var(--font-weight-medium)}.font-normal{--tw-font-weight:var(--font-weight-normal);font-weight:var(--font-weight-normal)}.font-semibold{--tw-font-weight:var(--font-weight-semibold);font-weight:var(--font-weight-semibold)}.tracking-\[0\.14em\]{--tw-tracking:.14em;letter-spacing:.14em}.tracking-tight{--tw-tracking:var(--tracking-tight);letter-spacing:var(--tracking-tight)}.\[text-wrap\:balance\]{text-wrap:balance}.break-words{overflow-wrap:break-word}.break-all{word-break:break-all}.whitespace-nowrap{white-space:nowrap}.whitespace-pre{white-space:pre}.whitespace-pre-wrap{white-space:pre-wrap}.text-accent{color:var(--color-accent)}.text-accent-ink{color:var(--color-accent-ink)}.text-danger{color:var(--color-danger)}.text-due{color:var(--color-due)}.text-ink{color:var(--color-ink)}.text-mastery{color:var(--color-mastery)}.text-muted{color:var(--color-muted)}.lowercase{text-transform:lowercase}.italic{font-style:italic}.tabular-nums{--tw-numeric-spacing:tabular-nums;font-variant-numeric:var(--tw-ordinal,) var(--tw-slashed-zero,) var(--tw-numeric-figure,) var(--tw-numeric-spacing,) var(--tw-numeric-fraction,)}.line-through{text-decoration-line:line-through}.no-underline{text-decoration-line:none}.underline{text-decoration-line:underline}.decoration-dotted{text-decoration-style:dotted}.accent-accent{accent-color:var(--color-accent)}.accent-ink{accent-color:var(--color-ink)}.opacity-40{opacity:.4}.opacity-50{opacity:.5}.opacity-60{opacity:.6}.opacity-70{opacity:.7}.shadow{--tw-shadow:0 1px 3px 0 var(--tw-shadow-color,#0000001a), 0 1px 2px -1px var(--tw-shadow-color,#0000001a);box-shadow:var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow)}.shadow-\[0_6px_0_0_color-mix\(in_srgb\,var\(--accent\)_70\%\,black\)\]{--tw-shadow:0 6px 0 0 var(--tw-shadow-color,var(--accent))}@supports (color:color-mix(in lab, red, red)){.shadow-\[0_6px_0_0_color-mix\(in_srgb\,var\(--accent\)_70\%\,black\)\]{--tw-shadow:0 6px 0 0 var(--tw-shadow-color,color-mix(in srgb,var(--accent) 70%,black))}}.shadow-\[0_6px_0_0_color-mix\(in_srgb\,var\(--accent\)_70\%\,black\)\]{box-shadow:var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow)}.ring{--tw-ring-shadow:var(--tw-ring-inset,) 0 0 0 calc(1px + var(--tw-ring-offset-width)) var(--tw-ring-color,currentcolor);box-shadow:var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow)}.ring-2{--tw-ring-shadow:var(--tw-ring-inset,) 0 0 0 calc(2px + var(--tw-ring-offset-width)) var(--tw-ring-color,currentcolor);box-shadow:var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow)}.shadow-raised{--tw-shadow-color:var(--color-raised)}@supports (color:color-mix(in lab, red, red)){.shadow-raised{--tw-shadow-color:color-mix(in oklab, var(--color-raised) var(--tw-shadow-alpha), transparent)}}.ring-accent\/40{--tw-ring-color:var(--color-accent)}@supports (color:color-mix(in lab, red, red)){.ring-accent\/40{--tw-ring-color:color-mix(in oklab, var(--color-accent) 40%, transparent)}}.outline{outline-style:var(--tw-outline-style);outline-width:1px}.outline-2{outline-style:var(--tw-outline-style);outline-width:2px}.-outline-offset-2{outline-offset:calc(2px * -1)}.outline-accent{outline-color:var(--color-accent)}.invert{--tw-invert:invert(100%);filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}.filter{filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}.transition{transition-property:color,background-color,border-color,outline-color,text-decoration-color,fill,stroke,--tw-gradient-from,--tw-gradient-via,--tw-gradient-to,opacity,box-shadow,transform,translate,scale,rotate,filter,-webkit-backdrop-filter,backdrop-filter,display,content-visibility,overlay,pointer-events;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function));transition-duration:var(--tw-duration,var(--default-transition-duration))}.transition-transform{transition-property:transform,translate,scale,rotate;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function));transition-duration:var(--tw-duration,var(--default-transition-duration))}.ease-out{--tw-ease:var(--ease-out);transition-timing-function:var(--ease-out)}.outline-none{--tw-outline-style:none;outline-style:none}.select-none{-webkit-user-select:none;user-select:none}.first\:border-t-0:first-child{border-top-style:var(--tw-border-style);border-top-width:0}.first\:pt-0:first-child{padding-top:0}@media (hover:hover){.hover\:bg-surface-2:hover{background-color:var(--color-surface-2)}.hover\:no-underline:hover{text-decoration-line:none}.hover\:underline:hover{text-decoration-line:underline}}.focus\:not-sr-only:focus{clip-path:none;white-space:normal;width:auto;height:auto;margin:0;padding:0;position:static;overflow:visible}.focus\:fixed:focus{position:fixed}.focus\:top-2:focus{top:calc(var(--spacing) * 2)}.focus\:left-2:focus{left:calc(var(--spacing) * 2)}.focus\:z-\[100\]:focus{z-index:100}.focus\:px-3:focus{padding-inline:calc(var(--spacing) * 3)}.focus\:whitespace-nowrap:focus{white-space:nowrap}.focus-visible\:outline-2:focus-visible{outline-style:var(--tw-outline-style);outline-width:2px}.focus-visible\:outline-offset-4:focus-visible{outline-offset:4px}.focus-visible\:outline-accent:focus-visible{outline-color:var(--color-accent)}.active\:translate-y-1:active{--tw-translate-y:var(--spacing);translate:var(--tw-translate-x) var(--tw-translate-y)}.active\:translate-y-px:active{--tw-translate-y:1px;translate:var(--tw-translate-x) var(--tw-translate-y)}.active\:shadow-\[0_2px_0_0_color-mix\(in_srgb\,var\(--accent\)_70\%\,black\)\]:active{--tw-shadow:0 2px 0 0 var(--tw-shadow-color,var(--accent))}@supports (color:color-mix(in lab, red, red)){.active\:shadow-\[0_2px_0_0_color-mix\(in_srgb\,var\(--accent\)_70\%\,black\)\]:active{--tw-shadow:0 2px 0 0 var(--tw-shadow-color,color-mix(in srgb,var(--accent) 70%,black))}}.active\:shadow-\[0_2px_0_0_color-mix\(in_srgb\,var\(--accent\)_70\%\,black\)\]:active{box-shadow:var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow)}.disabled\:\!opacity-100:disabled{opacity:1!important}@media (prefers-reduced-motion:reduce){.motion-reduce\:animate-none{animation:none}}@media not all and (width>=48rem){.max-md\:my-5{margin-block:calc(var(--spacing) * 5)}.max-md\:mt-2{margin-top:calc(var(--spacing) * 2)}.max-md\:mt-3{margin-top:calc(var(--spacing) * 3)}.max-md\:flex{display:flex}.max-md\:hidden{display:none}.max-md\:min-h-11{min-height:calc(var(--spacing) * 11)}.max-md\:min-w-11{min-width:calc(var(--spacing) * 11)}.max-md\:items-start{align-items:flex-start}.max-md\:justify-center{justify-content:center}.max-md\:gap-2{gap:calc(var(--spacing) * 2)}.max-md\:gap-3{gap:calc(var(--spacing) * 3)}.max-md\:self-center{align-self:center}.max-md\:rounded-lg{border-radius:var(--radius-lg)}.max-md\:border{border-style:var(--tw-border-style);border-width:1px}.max-md\:border-t{border-top-style:var(--tw-border-style);border-top-width:1px}.max-md\:border-line{border-color:var(--color-line)}.max-md\:bg-surface-2\/60{background-color:var(--color-surface-2)}@supports (color:color-mix(in lab, red, red)){.max-md\:bg-surface-2\/60{background-color:color-mix(in oklab, var(--color-surface-2) 60%, transparent)}}.max-md\:bg-surface\/80{background-color:var(--color-surface)}@supports (color:color-mix(in lab, red, red)){.max-md\:bg-surface\/80{background-color:color-mix(in oklab, var(--color-surface) 80%, transparent)}}.max-md\:p-4{padding:calc(var(--spacing) * 4)}.max-md\:\!py-1{padding-block:var(--spacing)!important}.max-md\:pt-0\.5{padding-top:calc(var(--spacing) * .5)}.max-md\:pt-3{padding-top:calc(var(--spacing) * 3)}.max-md\:pb-6{padding-bottom:calc(var(--spacing) * 6)}.max-md\:text-3xl{font-size:var(--text-3xl);line-height:var(--tw-leading,var(--text-3xl--line-height))}.max-md\:text-sm{font-size:var(--text-sm);line-height:var(--tw-leading,var(--text-sm--line-height))}.max-md\:text-xs{font-size:var(--text-xs);line-height:var(--tw-leading,var(--text-xs--line-height))}.max-md\:font-bold{--tw-font-weight:var(--font-weight-bold);font-weight:var(--font-weight-bold)}.max-md\:font-medium{--tw-font-weight:var(--font-weight-medium);font-weight:var(--font-weight-medium)}.max-md\:tracking-tight{--tw-tracking:var(--tracking-tight);letter-spacing:var(--tracking-tight)}.max-md\:\[text-wrap\:wrap\]{text-wrap:wrap}.max-md\:text-muted{color:var(--color-muted)}.max-md\:backdrop-blur{--tw-backdrop-blur:blur(8px);backdrop-filter:var(--tw-backdrop-blur,) var(--tw-backdrop-brightness,) var(--tw-backdrop-contrast,) var(--tw-backdrop-grayscale,) var(--tw-backdrop-hue-rotate,) var(--tw-backdrop-invert,) var(--tw-backdrop-opacity,) var(--tw-backdrop-saturate,) var(--tw-backdrop-sepia,)}}@media not all and (width>=40rem){.max-sm\:hidden{display:none}}@media (width>=40rem){.sm\:hidden{display:none}.sm\:w-56{width:calc(var(--spacing) * 56)}.sm\:grid-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.sm\:grid-cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}.sm\:grid-cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}}@media (width>=48rem){.md\:my-8{margin-block:calc(var(--spacing) * 8)}.md\:mt-0{margin-top:0}.md\:mt-2{margin-top:calc(var(--spacing) * 2)}.md\:mb-2{margin-bottom:calc(var(--spacing) * 2)}.md\:mb-8{margin-bottom:calc(var(--spacing) * 8)}.md\:flex{display:flex}.md\:hidden{display:none}.md\:w-full{width:100%}.md\:max-w-\[35rem\]{max-width:35rem}.md\:max-w-\[36rem\]{max-width:36rem}.md\:max-w-none{max-width:none}.md\:grid-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.md\:grid-cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}.md\:grid-cols-\[1fr_1fr\]{grid-template-columns:1fr 1fr}.md\:grid-cols-\[1fr_2fr\]{grid-template-columns:1fr 2fr}.md\:grid-cols-\[3fr_2fr\]{grid-template-columns:3fr 2fr}.md\:items-start{align-items:flex-start}.md\:gap-2{gap:calc(var(--spacing) * 2)}.md\:self-start{align-self:flex-start}.md\:border-t{border-top-style:var(--tw-border-style);border-top-width:1px}.md\:border-line{border-color:var(--color-line)}.md\:p-0{padding:0}.md\:px-0{padding-inline:0}.md\:py-0{padding-block:0}.md\:py-5{padding-block:calc(var(--spacing) * 5)}.md\:text-4xl{font-size:var(--text-4xl);line-height:var(--tw-leading,var(--text-4xl--line-height))}.md\:text-\[0\.8125rem\]{font-size:.8125rem}.md\:text-\[0\.9375rem\]{font-size:.9375rem}.md\:text-\[2\.35rem\]{font-size:2.35rem}.md\:leading-\[1\.1\]{--tw-leading:1.1;line-height:1.1}.md\:leading-normal{--tw-leading:var(--leading-normal);line-height:var(--leading-normal)}.md\:font-extrabold{--tw-font-weight:var(--font-weight-extrabold);font-weight:var(--font-weight-extrabold)}.md\:tracking-\[-0\.024em\]{--tw-tracking:-.024em;letter-spacing:-.024em}.md\:text-ink-2{color:var(--color-ink-2)}.md\:tabular-nums{--tw-numeric-spacing:tabular-nums;font-variant-numeric:var(--tw-ordinal,) var(--tw-slashed-zero,) var(--tw-numeric-figure,) var(--tw-numeric-spacing,) var(--tw-numeric-fraction,)}}@media (width>=64rem){.lg\:grid-cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (width>=80rem){.xl\:px-6{padding-inline:calc(var(--spacing) * 6)}}.\[\&\>\*\]\:min-w-0>*{min-width:0}@media (pointer:fine){.\[\@media\(pointer\:fine\)\]\:flex{display:flex}.\[\@media\(pointer\:fine\)\]\:inline{display:inline}}}:root{--header-h:56px;--measure:35rem;--main-max:1120px;--rail-l:288px;--rail-spine:64px;--rail-r:288px;--main-pad:40px;--z-rail:30;--z-header:40;--z-readbar:41;--z-drawer:45;--z-popover:70;--z-theater:80;--radius-slate:16px;--radius-sheet:14px;--radius-term:10px;--radius-control:8px;--ease:cubic-bezier(.16,1,.3,1)}html.nz-locked{overflow:hidden}@media (width>=768px){::-webkit-scrollbar{width:11px;height:11px}::-webkit-scrollbar-thumb{background:var(--line-2);border:3px solid var(--bg);border-radius:999px}::-webkit-scrollbar-track{background:0 0}}.astro-code{background-color:var(--code-bg)!important}html.dark .astro-code,html.dark .astro-code span{color:var(--shiki-dark)!important;font-style:var(--shiki-dark-font-style)!important;font-weight:var(--shiki-dark-font-weight)!important;-webkit-text-decoration:var(--shiki-dark-text-decoration)!important;-webkit-text-decoration:var(--shiki-dark-text-decoration)!important;text-decoration:var(--shiki-dark-text-decoration)!important}html.dark .astro-code span,:root .term .astro-code{background-color:#0000!important}:root .term .astro-code,:root .term .astro-code span{color:var(--shiki-dark)!important;font-style:var(--shiki-dark-font-style)!important;font-weight:var(--shiki-dark-font-weight)!important}:root .term .astro-code span{background-color:#0000!important}@media (width>=768px){.card{border-radius:var(--radius-sheet)}}@media (prefers-reduced-motion:reduce){.skeleton{animation:none}.meter>span,.popover{transition:none}}@media (width>=768px){html{scroll-padding-top:calc(var(--header-h) + 1rem)}.site-foot{--foot-pad:1rem;--foot-box:100rem;padding-inline:max(var(--foot-pad), calc(50% - var(--foot-box) / 2 + var(--foot-pad)))}.site-foot[data-width=default]{--foot-box:64rem}.site-foot[data-width=narrow]{--foot-box:48rem}.site-foot[data-width=full]{padding-inline:var(--foot-pad)}.nz-fts pagefind-summary{color:var(--muted);margin:1.25rem 0 .25rem}.site-header{box-shadow:inset 0 -1px 0 var(--line);border-bottom-width:0}.site-header #theme-toggle{width:2.25rem;height:2.25rem;min-height:0;color:var(--ink-2);background:0 0;border-color:#0000;justify-content:center;position:relative;padding:0!important}.site-header #theme-toggle:hover{background:var(--surface-2);color:var(--ink)}}@media (width>=1280px){.site-foot{--foot-pad:1.5rem}}@media (width>=768px) and (prefers-reduced-motion:no-preference){@view-transition{navigation:auto}.site-header{view-transition-name:nz-header}.lesson-shell>.rail-left{view-transition-name:nz-rail-left}.lesson-shell>.rail-right{view-transition-name:nz-rail-right}::view-transition-old(root),::view-transition-new(root){animation-duration:.18s;animation-timing-function:cubic-bezier(.16,1,.3,1)}::view-transition-group(nz-header),::view-transition-group(nz-rail-left),::view-transition-group(nz-rail-right){animation-duration:.18s}}.lesson-shell>.rail-left,.lesson-shell>.rail-right,.lesson-bar{display:none}@media (width>=768px){.lesson-shell{display:block}.lesson-main{min-width:0;padding:2rem var(--main-pad) 4rem}.lesson-main>article{max-width:var(--main-max);margin-inline:auto}.lesson-main article>.prose{max-width:none}.lesson-main article>.prose>:not(.bleed,.wide,.segment,astro-island,script,style,template),.lesson-main article>.prose>.segment>:not(.bleed,.wide,astro-island,script,style,template),.lesson-main article>.prose>astro-island>:not(.bleed,.wide),.lesson-main article>.prose>.segment>astro-island>:not(.bleed,.wide){max-width:var(--measure);margin-inline:auto}.lesson-main .bleed{max-width:100%;margin-inline:auto}.lesson-main .wide{width:100%;min-width:0;max-width:100%;margin-inline:0}.lesson-main .wide:is([data-fit=text],[data-fit=probe]){--wide-g:max(0px, calc((100% - var(--measure)) / 2));width:max-content;margin-left:var(--wide-g);margin-right:0}.lesson-main .wide[data-fit=text]{min-width:min(100%, var(--measure));max-width:calc(100% - var(--wide-g))}.lesson-main .wide[data-fit=probe]{min-width:0;max-width:none}.lesson-main article>astro-island>:is(#retrieval,#explain,#cards){--chk-g:max(0px, calc((100% - var(--measure)) / 2));width:min(calc(var(--measure) + 12rem), calc(100% - var(--chk-g)));max-width:none;margin-left:var(--chk-g);margin-right:0}}@media (width>=1280px){.lesson-shell{--col-l:var(--rail-spine);--col-r:var(--rail-r);grid-template-columns:var(--col-l) minmax(0, 1fr) var(--col-r);align-items:start;display:grid}.lesson-shell>.rail-left,.lesson-shell>.rail-right{top:var(--header-h);height:calc(100dvh - var(--header-h));overscroll-behavior:contain;z-index:var(--z-rail);scrollbar-width:thin;display:block;position:sticky;overflow-y:auto}.lesson-shell>.rail-left{border-right:1px solid var(--line)}.lesson-shell>.rail-right{border-left:1px solid var(--line)}.lesson-shell>.rail-left:has(.cr-full[data-drawer=open]){z-index:var(--z-drawer)}.lesson-main{padding-inline:32px}html[data-rail-left=open] .lesson-shell{--col-l:var(--rail-l)}html[data-rail-right=closed] .lesson-shell{--col-r:40px}}@media (width>=1440px){.lesson-main{padding-inline:var(--main-pad)}}@media (width>=1800px){.lesson-shell{--col-l:var(--rail-l)}html[data-rail-left=closed] .lesson-shell{--col-l:var(--rail-spine)}}@media (width>=768px){html:has(.lesson-shell){scroll-padding-top:calc(var(--header-h) + var(--lesson-bar-h,0px) + 16px)}}@media (width>=1024px){.lesson-main article{grid-template-rows:auto 1fr;grid-template-columns:minmax(0,3fr) minmax(18rem,2fr);grid-auto-flow:dense;gap:1.5rem 2rem;display:grid}.lesson-main article>astro-island{display:contents}.lesson-main article>*,.lesson-main article>astro-island>*{grid-column:1/-1;min-width:0;margin-block:0}.lesson-main article>header{grid-area:1/1/span 2}.lesson-main article>astro-island>#listen{grid-area:1/2;align-self:start}.lesson-main article>#objectives{grid-area:3/1;align-self:start}.lesson-main article>astro-island>.lesson-pretest{grid-area:2/2/span 2;align-self:start}.lesson-main article>.prose{margin-top:1rem}.lesson-main article>astro-island>:is(#retrieval,#complete){margin-top:4.5rem}.lesson-main article>astro-island>:is(#explain,#cards){margin-top:1rem}.lesson-main article>#sources{margin-top:3rem}.lesson-main article>#see-also{margin-top:1.5rem}}@media (width>=768px){.lesson-hero{margin-bottom:1.75rem}.lesson-hero .lh-crumbs{color:var(--faint);column-gap:.45rem;font-size:.8125rem}.lesson-hero .lh-crumbs a{color:var(--muted)}.lesson-hero .lh-crumbs a:hover{color:var(--accent)}.lesson-hero .lh-title{margin-top:.85rem}.lesson-hero .lh-ep{color:var(--ink-2);flex-wrap:wrap;align-items:baseline;gap:.65rem;margin-top:.7rem;font-size:1.0625rem;line-height:1.4;display:flex}.lesson-hero .lh-ep .t-id{color:var(--muted)}.lesson-hero .lh-chips{gap:.4rem;margin-top:1rem}.lesson-hero .lh-chips .chip{gap:.35rem;min-height:1.75rem;padding:.15rem .6rem;font-size:.8125rem;font-weight:600}.lesson-hero .lh-chips .chip:not(.chip-mastery,.chip-due,.chip-info,.chip-danger,.chip-accent){background:var(--surface);border-color:var(--line);color:var(--ink-2)}.lesson-hero .lh-chips .chip svg{color:var(--muted);flex:none}.lesson-hero .lh-chips .chip:is(.chip-mastery,.chip-due,.chip-info,.chip-danger) svg{color:currentColor}.lesson-hero .lh-chips .chip-mastery{color:var(--mastery)}@supports (color:color-mix(in lab, red, red)){.lesson-hero .lh-chips .chip-mastery{color:color-mix(in srgb, var(--mastery), var(--ink) 25%)}}.lesson-hero .lh-prereq{color:var(--muted);flex-wrap:nowrap;align-items:flex-start;margin-top:.9rem;font-size:.875rem;line-height:1.5}.lesson-hero .lh-prereq>svg{align-self:flex-start;margin-top:.2rem}.lesson-main #objectives{background:0 0;border:0;border-radius:0;margin-block:1.75rem;padding:0}.lesson-main #objectives .block-head{gap:.55rem}.lesson-main #objectives .lo-glyph{color:var(--accent);flex:none}.lesson-main #objectives .block-head h2{letter-spacing:-.008em;color:var(--ink);font-size:1.15rem;font-weight:700;line-height:1.3}.lesson-main #objectives ul{max-width:var(--measure);color:var(--ink-2);gap:.55rem;margin:.85rem 0 0;padding:0;font-size:.96875rem;line-height:1.5;list-style:none;display:grid}.lesson-main #objectives li{margin:0;padding-left:1.6rem;position:relative}.lesson-main #objectives li:before{content:"";border:1.5px solid var(--muted);border-radius:999px;width:.4rem;height:.4rem;position:absolute;top:calc(.75em - .2rem);left:.3rem}.lesson-shell[data-case=closed] #objectives li:before{background:var(--mastery);border:0;width:1rem;height:1rem;top:calc(.75em - .5rem);left:0}.lesson-shell[data-case=closed] #objectives li:after{content:"";background:var(--on-status);width:.6rem;height:.6rem;position:absolute;top:calc(.75em - .3rem);left:.2rem;-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7'/%3E%3C/svg%3E") 50%/contain no-repeat;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7'/%3E%3C/svg%3E") 50%/contain no-repeat}.lesson-main #objectives li code{-webkit-box-decoration-break:clone;box-decoration-break:clone;font-size:.86em}.lesson-main .lesson-audio{background:0 0;border:0;border-radius:0;padding:0}.lesson-audio .la-desk{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.5rem 1rem;display:flex}.lesson-audio .la-transport{flex:17rem;align-items:center;gap:.35rem;min-width:0;min-height:44px;display:flex}.lesson-audio .la-listen{gap:.5rem;min-height:2.5rem;padding-inline:.85rem 1rem}.lesson-audio .la-track{margin-left:.4rem}.lesson-audio .la-listen[aria-pressed=true]{background:var(--accent-soft);border-color:var(--accent)}@supports (color:color-mix(in lab, red, red)){.lesson-audio .la-listen[aria-pressed=true]{border-color:color-mix(in srgb, var(--accent) 45%, var(--line))}}.lesson-audio .la-listen[aria-pressed=true]{color:var(--accent)}.lesson-audio .la-track{flex-direction:column;flex:1;justify-content:center;gap:.1rem;min-width:0;display:flex}.lesson-audio .la-note{color:var(--muted);white-space:nowrap;text-overflow:ellipsis;font-size:.8125rem;line-height:1.3;overflow:hidden}.lesson-audio .la-now{min-width:0;color:var(--faint);gap:.5rem;font-size:.75rem;line-height:1.3;display:flex}.lesson-audio .la-now:empty{display:none}.lesson-audio .la-reading{white-space:nowrap;text-overflow:ellipsis;min-width:0;overflow:hidden}.lesson-audio .la-options{align-items:center;gap:.35rem;display:flex}.lesson-audio .la-speed{padding:.15rem}.lesson-audio .la-speed>button{min-height:1.75rem;padding:.2rem .5rem;font-size:.8125rem}.lesson-audio .la-stale{margin-top:.4rem}}@media (width>=768px) and (width<=1023px){.lesson-main .lesson-audio{margin-block:0 1.5rem}}@media (width>=1024px){.lesson-hero{margin-bottom:0}.lesson-main #objectives{margin-block:0}.lesson-main:has(.prose [data-story=opening]) .lesson-hero .lh-ep{display:none}}@media (width>=1280px){.lesson-hero .lh-chips .nz-fresh[data-fresh=ok]{display:none}}@media (width>=1024px){.lesson-complete{grid-template-rows:minmax(0,1fr) auto;grid-template-columns:minmax(0,5fr) minmax(0,7fr);align-items:stretch;gap:.5rem 1rem}.lesson-complete>.lc-status{flex-direction:column;grid-area:1/1;justify-content:center;align-items:flex-start;padding:1.5rem}.lesson-complete>.lc-next{grid-area:1/2/span 2}.lesson-complete>.lc-back{grid-area:2/1;align-self:end}.lesson-complete:not(:has(>.lc-next))>:is(.lc-status,.lc-back){grid-column:1/-1}.lesson-complete .lc-line{flex:none}.lc-next{grid-template-columns:6rem minmax(0,1fr);align-content:center;column-gap:1.5rem;padding:1.5rem 1.75rem}.lc-num{padding-right:1.5rem}.lc-numeral{font-size:3rem}.lc-title{font-size:1.35rem}.lc-go{margin-top:.75rem}}@media (width>=1728px){.lc-next{grid-template-columns:6rem minmax(0,1fr) auto}.lc-go{grid-area:1/3/span 2;align-self:center;margin-top:0}}body.flow-active .lesson-complete .lc-back{display:none}.lesson-main a.gl-term.nz-found{background:var(--accent)}@supports (color:color-mix(in lab, red, red)){.lesson-main a.gl-term.nz-found{background:color-mix(in srgb, var(--accent) 24%, transparent)}}.lesson-main a.gl-term.nz-found{box-shadow:0 0 0 3px var(--accent)}@supports (color:color-mix(in lab, red, red)){.lesson-main a.gl-term.nz-found{box-shadow:0 0 0 3px color-mix(in srgb, var(--accent) 24%, transparent)}}.lesson-main a.gl-term.nz-found{outline:2px solid var(--accent);outline-offset:3px;border-radius:3px;transition:background-color .4s,box-shadow .4s}.lr{min-height:100%}.lr-strip{display:none}.lr-body{padding:0 1.25rem 2.5rem}.lr-head{z-index:1;background:var(--bg);grid-template-columns:minmax(0,1fr) auto auto;align-items:center;gap:.5rem;padding:1rem 0 .85rem;display:grid;position:sticky;top:0}@supports (animation-timeline:scroll()){.lr-head{animation:linear both lr-head-line scroll();animation-range:0 24px}}@keyframes lr-head-line{0%{box-shadow:0 1px #0000}to{box-shadow:0 1px 0 var(--line)}}.lr-title{color:var(--ink);margin:0;font-size:.9375rem;font-weight:700;line-height:1.3}.lr-count{color:var(--muted);white-space:nowrap;font-size:.8125rem}.lr-collapse{width:2rem;height:2rem;margin-right:-.4rem}.lr-meter{background:var(--surface-3);border-radius:999px;grid-column:1/-1;height:4px;overflow:hidden}.lr-meter>span{border-radius:inherit;background:var(--accent);transform-origin:0;height:100%;transform:scaleX(var(--v,0));transition:transform .25s var(--ease);display:block}.lesson-shell[data-case=closed] .lr-meter>span{background:var(--mastery)}.lr:not([data-lr-ready]) :is(.lr-count,.lr-strip-count){visibility:hidden}.lr-outline{margin:.35rem 0 0;padding-left:.6rem;position:relative}.lr-track{background:var(--line);width:1px;position:absolute;top:0;bottom:0;left:0}.lr-thumb{background:var(--accent);width:2px;height:0;transition:transform .22s var(--ease), height .22s var(--ease);border-radius:2px;position:absolute;top:0;left:-.5px}.lr-phases,.lr-items,.lr-terms ul,.lr-work ul{margin:0;padding:0;list-style:none}.lr-phase+.lr-phase{margin-top:.3rem}.lr-phase-row{align-items:baseline;gap:.55rem;min-height:28px;padding:.3rem .5rem;display:flex}.lr-phase-name{color:var(--ink-2);font-size:.8125rem;font-weight:650;line-height:1.3}.lr-phase[data-current]>.lr-phase-row .lr-phase-name{color:var(--ink)}.lr-row{min-height:28px;color:var(--muted);border-radius:6px;align-items:flex-start;gap:.5rem;padding:.3rem .5rem .3rem 1.35rem;font-size:.875rem;line-height:1.35;text-decoration:none;transition:background-color .14s,color .14s;display:flex}.lr-row.lr-phase-row{align-items:baseline;padding-left:.5rem}.lr-row:hover{background:var(--surface-2);color:var(--ink);text-decoration:none}.lr-row:hover .lr-phase-name{color:var(--ink)}.lr-row[data-passed],.lr-row[data-passed] .lr-phase-name{color:var(--ink-2)}.lr-row[data-current],.lr-row[data-current] .lr-phase-name{color:var(--ink);font-weight:650}.lr-row-text{-webkit-line-clamp:1;overflow-wrap:anywhere;-webkit-box-orient:vertical;flex:1;min-width:0;display:-webkit-box;overflow:hidden}.lr-row-text code{overflow-wrap:normal;padding:0 .25rem;font-size:.82em}.lr-item .lr-row-text{-webkit-line-clamp:2}.lr-done{color:var(--mastery);flex:none;align-self:center;display:none}.lr-row[data-done] .lr-done,.lr-phase:has([data-lr-track]):not(:has([data-lr-track]:not([data-done])))>.lr-phase-link .lr-phase-done{display:inline-flex}@media (width>=1280px){.lr-phases:has(>.lr-phase[data-current])>.lr-phase:not([data-current],[data-lr-keep])>.lr-items{display:none}}.lr-section{border-top:1px solid var(--line);margin-top:1.25rem;padding-top:1.1rem}.lr-h{color:var(--ink);margin:0 0 .45rem;font-size:.875rem;font-weight:700;line-height:1.3}.lr-terms-list ul{margin-inline:-.5rem}.lr-term{width:100%;color:var(--ink);text-align:left;cursor:pointer;background:0 0;border:0;border-radius:6px;gap:.1rem;padding:.45rem .5rem;transition:background-color .14s;display:grid}.lr-term:hover{background:var(--surface-2)}.lr-term-name{font-size:.875rem;font-weight:650;line-height:1.3}.lr-term-def{color:var(--muted);white-space:nowrap;text-overflow:ellipsis;font-size:.78rem;line-height:1.35;overflow:hidden}.lr-more>summary{cursor:pointer;color:var(--accent);align-items:center;gap:.35rem;margin-top:.3rem;padding:.35rem 0;font-size:.8125rem;font-weight:650;list-style:none;display:flex}.lr-more>summary::-webkit-details-marker{display:none}.lr-more>summary:hover{color:var(--accent-2)}.lr-more-chev{transition:transform .18s var(--ease);transform:rotate(90deg)}.lr-more[open]>summary .lr-more-chev{transform:rotate(-90deg)}.lr-more[open]>summary{order:2}.lr-def{padding-top:.1rem}.lr-back{color:var(--ink-2);margin-left:-.5rem}.lr-back-chev{transform:rotate(180deg)}.lr-def-term{color:var(--ink);outline:none;margin:.55rem 0 0;font-size:1.05rem;font-weight:700;line-height:1.3}.lr-def-text{color:var(--ink-2);margin:.4rem 0 0;font-size:.875rem;line-height:1.55}.lr-def-where{color:var(--muted);margin:.6rem 0 0;font-size:.8125rem;line-height:1.45}.lr-def-actions{flex-wrap:wrap;align-items:center;gap:.5rem 1rem;margin-top:.8rem;display:flex}.lr-def-glossary{align-items:center;gap:.3rem;font-size:.8125rem;font-weight:600;display:inline-flex}.lr-work ul{gap:.1rem;margin-inline:-.5rem;display:grid}.lr-work-row{color:var(--ink);border-radius:6px;grid-template-columns:16px minmax(0,1fr);gap:.6rem;padding:.45rem .5rem;text-decoration:none;display:grid}a.lr-work-row:hover{background:var(--surface-2);text-decoration:none}.lr-work-glyph{color:var(--muted);margin-top:.1rem}.lr-work-text{gap:.1rem;min-width:0;display:grid}.lr-work-title{-webkit-line-clamp:1;-webkit-box-orient:vertical;font-size:.8125rem;font-weight:600;line-height:1.35;display:-webkit-box;overflow:hidden}.lr-work-sub{color:var(--muted);font-size:.75rem;line-height:1.3}.lr-foot{gap:.85rem;display:grid}.lr-sources{color:var(--ink-2);align-items:flex-start;gap:.5rem;font-size:.8125rem;line-height:1.4;text-decoration:none;display:inline-flex}.lr-sources:hover{color:var(--accent)}.lr-sources-glyph{color:var(--muted);flex:none;margin-top:.05rem}.lr-sources[data-tone=info] .lr-sources-glyph{color:var(--info)}.lr-sources[data-tone=due] .lr-sources-glyph{color:var(--due)}.lr-complete{align-items:center;min-height:1.875rem;display:flex}.lr-complete-done{align-items:center;gap:.4rem;font-size:.8125rem;font-weight:650;display:inline-flex}.lr-strip-count{color:var(--ink-2);flex-direction:column;align-items:center;font-size:.75rem;font-weight:650;line-height:1.25;display:flex}.lr-strip-of{border-top:1px solid var(--line-2);color:var(--faint);margin-top:.2rem;padding-top:.2rem;font-weight:500}@media (width>=1280px){.lr-body{padding-bottom:0}.lr-live{display:contents}.lr-foot{z-index:1;background:var(--bg);padding-bottom:1rem;position:sticky;bottom:0}.lr-foot:before{content:"";background:linear-gradient(to bottom, var(--bg), var(--bg));height:1.25rem;position:absolute;bottom:calc(100% + 1px);left:0;right:0}@supports (color:color-mix(in lab, red, red)){.lr-foot:before{background:linear-gradient(to bottom, color-mix(in srgb, var(--bg) 0%, transparent), var(--bg))}}.lr-foot:before{pointer-events:none}html[data-rail-right=closed] .lr-body{display:none}html[data-rail-right=closed] .lr-strip{flex-direction:column;align-items:center;gap:.6rem;padding:.75rem 0;display:flex}}@media (width>=768px) and (width<=1279px){html:has(.lesson-bar){--lesson-bar-h:48px}.lesson-bar{top:var(--header-h);z-index:var(--z-rail);height:var(--lesson-bar-h);margin:-2rem calc(-1 * var(--main-pad)) 1.75rem;background:var(--bg);border-bottom:1px solid var(--line);display:block;position:sticky}.lesson-bar-btn{width:100%;height:100%;padding:0 var(--main-pad);color:var(--ink-2);text-align:left;cursor:pointer;background:0 0;border:0;align-items:center;gap:.6rem;font-size:.875rem;transition:background-color .14s;display:flex}.lesson-bar-btn:hover{background:var(--surface-2)}.lesson-bar-btn:focus-visible{outline-offset:-3px}.lb-glyph{color:var(--muted);flex:none}.lb-label{color:var(--ink);flex:none;font-weight:700}.lb-where{white-space:nowrap;text-overflow:ellipsis;min-width:0;color:var(--muted);flex:1;overflow:hidden}.lb-chev{color:var(--muted);transition:transform .18s var(--ease);flex:none;transform:rotate(90deg)}.lesson-bar-btn[aria-expanded=true] .lb-chev{transform:rotate(-90deg)}.lesson-readbar{pointer-events:none;height:2px;position:absolute;bottom:-1px;left:0;right:0}.lesson-readbar>span{background:var(--accent);transform-origin:0;height:100%;display:block;transform:scaleX(0)}@supports (animation-timeline:scroll()){.lesson-readbar>span{animation:linear both nz-read scroll(root)}}.lesson-shell[data-sheet=open]>.rail-right{z-index:var(--z-drawer);top:calc(var(--header-h) + var(--lesson-bar-h) + 6px);left:calc(var(--main-pad) - .5rem);width:min(23rem,100vw - 2rem);max-height:calc(100dvh - var(--header-h) - var(--lesson-bar-h) - 24px);overscroll-behavior:contain;background:var(--raised);border:1px solid var(--line);border-radius:var(--radius-sheet);box-shadow:var(--shadow-raised);display:block;position:fixed;overflow-y:auto}.lesson-shell[data-sheet=open] .lr-head{background:var(--raised)}.lr-collapse{display:none}}@keyframes nz-read{to{transform:scaleX(1)}}.cr-spine{flex-direction:column;align-items:center;gap:.25rem;padding:.85rem 0 1.5rem;display:flex}.cr-full{display:none}.cr-spine-course{cursor:pointer;background:0 0;border:0;border-radius:.6rem;margin-bottom:.45rem;padding:0;display:inline-flex}.cr-spine-course .icon-tile{width:2.25rem;height:2.25rem}.cr-spine-list{gap:.15rem;margin:0;padding:0;list-style:none;display:grid}.cr-spine-mod{width:2.5rem;height:2.25rem;color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:8px;justify-content:center;align-items:center;font-size:.875rem;font-weight:700;transition:background-color .14s,color .14s;display:inline-flex;position:relative}.cr-spine-mod:hover{background:var(--surface-2);color:var(--ink)}.cr-spine-mod[data-current]{background:var(--accent-soft);color:var(--accent)}.cr-spine-mod[data-state=locked]{color:var(--faint)}.cr-mark{border-radius:999px;width:6px;height:6px;position:absolute;bottom:.3rem;right:.3rem}.cr-spine-mod[data-state=started] .cr-mark{background:var(--accent)}.cr-spine-mod[data-state=open] .cr-mark{background:var(--due)}.cr-spine-mod[data-state=closed] .cr-mark{background:var(--mastery)}.cr-full{flex-direction:column}.cr-head{align-items:center;gap:.25rem;padding:.85rem .75rem .5rem 1rem;display:flex}.cr-course{min-width:0;color:var(--ink);flex:1;align-items:center;gap:.6rem;text-decoration:none;display:flex}.cr-course:hover{color:var(--accent);text-decoration:none}.cr-course-name{-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:.9375rem;font-weight:700;line-height:1.25;display:-webkit-box;overflow:hidden}.cr-pin,.cr-close{flex:none;width:2rem;height:2rem}.cr-close{display:none}.cr-full[data-drawer=open] .cr-close{display:inline-flex}.cr-progress{border-bottom:1px solid var(--line);gap:.4rem;padding:.15rem 1rem .9rem;display:grid}.cr-progress-text{color:var(--muted);font-size:.78rem}.cr-meter{height:4px}.cr-mods{margin:0;padding:.6rem .5rem 2rem;list-style:none}.cr-mod+.cr-mod{margin-top:.1rem}.cr-mod-head{width:100%;min-height:2.25rem;color:var(--ink-2);text-align:left;cursor:pointer;background:0 0;border:0;border-radius:8px;grid-template-columns:1.6rem minmax(0,1fr) auto auto auto;align-items:center;gap:.35rem;padding:.35rem .5rem;font-size:.875rem;transition:background-color .14s,color .14s;display:grid}.cr-mod-head:hover{background:var(--surface-2);color:var(--ink)}.cr-mod-n{color:var(--faint);font-size:.9375rem;font-weight:750}.cr-mod[data-current] .cr-mod-n{color:var(--accent)}.cr-mod[data-current] .cr-mod-name{color:var(--ink)}.cr-mod-name{white-space:nowrap;text-overflow:ellipsis;font-weight:650;overflow:hidden}.cr-lock{color:var(--faint)}.cr-mod-count{color:var(--faint);font-size:.75rem}.cr-chev{color:var(--faint);transition:transform .18s var(--ease)}.cr-mod-head[aria-expanded=true] .cr-chev{transform:rotate(90deg)}.cr-mod-meter{height:3px;margin:.05rem .5rem .3rem 2.45rem}.cr-mod-meter[data-empty]{visibility:hidden}.cr-mod-body{visibility:hidden;transition:grid-template-rows .2s var(--ease), visibility 0s linear .2s;grid-template-rows:0fr;display:grid}.cr-mod[data-open]>.cr-mod-body{visibility:visible;grid-template-rows:1fr;transition-delay:0s}.cr-mod-inner{min-height:0;overflow:hidden}.cr-lessons{margin:0;padding:.1rem 0 .6rem;list-style:none}.cr-lesson{color:var(--ink-2);border-radius:8px;grid-template-columns:1.1rem 1.75rem minmax(0,1fr) auto;align-items:start;gap:.45rem;padding:.4rem .5rem;font-size:.8125rem;line-height:1.35;text-decoration:none;transition:background-color .14s,color .14s;display:grid}.cr-lesson:hover{background:var(--surface-2);color:var(--ink);text-decoration:none}.cr-lesson[aria-current=page]{background:var(--accent-soft);color:var(--ink);font-weight:600}.cr-lesson .status{width:1.1rem;height:1.1rem;margin-top:.05rem}.cr-lesson .status svg{width:.7rem;height:.7rem}.cr-lesson .status.current{box-shadow:none}.cr-lesson-n{color:var(--faint);padding-top:.05rem;font-size:.75rem}.cr-lesson[aria-current=page] .cr-lesson-n{color:var(--accent)}.cr-lesson[aria-current=page] .cr-lesson-min{color:var(--muted)}.cr-lesson-title{-webkit-line-clamp:2;-webkit-box-orient:vertical;min-width:0;display:-webkit-box;overflow:hidden}.cr-lesson-min{color:var(--faint);white-space:nowrap;padding-top:.05rem;font-size:.72rem}.cr-check{color:var(--ink-2)}.cr-diamond{border:1.5px solid var(--line-input);border-radius:2px;width:.62rem;height:.62rem;margin:.3rem auto 0;transform:rotate(45deg)}.cr-check[data-state=locked] .cr-diamond{border-style:dashed}.cr-check[data-state=available]:not([data-todo]) .cr-diamond{border-color:var(--accent)}.cr-check:is([data-state=attempted],[data-state=cooling]) .cr-diamond{border-color:var(--due);background:var(--due)}@supports (color:color-mix(in lab, red, red)){.cr-check:is([data-state=attempted],[data-state=cooling]) .cr-diamond{background:color-mix(in srgb, var(--due) 22%, transparent)}}.cr-check[data-state=passed] .cr-diamond{border-color:var(--mastery);background:var(--mastery)}.cr-check-state{color:var(--faint);white-space:nowrap;padding-top:.05rem;font-size:.72rem}.cr-check[data-state=passed] .cr-check-state{color:var(--mastery)}.cr-check:is([data-state=attempted],[data-state=cooling]) .cr-check-state{color:var(--due)}@media (width>=1280px){.cr-full[data-drawer=open]{z-index:var(--z-drawer);top:var(--header-h);width:var(--rail-l);overscroll-behavior:contain;background:var(--raised);border-right:1px solid var(--line);box-shadow:var(--shadow-raised);display:flex;position:fixed;bottom:0;left:0;overflow-y:auto}html[data-rail-left=open] .cr-full{width:auto;box-shadow:none;background:0 0;border:0;display:flex;position:static;overflow:visible}html[data-rail-left=open] .cr-spine{display:none}}@media (width>=1800px){html:not([data-rail-left=closed]) .cr-full{width:auto;box-shadow:none;background:0 0;border:0;display:flex;position:static;overflow:visible}html:not([data-rail-left=closed]) .cr-spine{display:none}}.lesson-skip{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.lesson-skip:focus{top:calc(var(--header-h) + .5rem);clip:auto;width:auto;height:auto;z-index:var(--z-popover);position:fixed;left:.5rem;overflow:visible}@media (width<=1279px){.lesson-skip{display:none}}@media (width>=1024px){.lesson-main article>astro-island>#retrieval{--chk-gx:max(0px, calc((var(--nz-art-w,var(--measure)) - var(--measure)) / 2));--chk-rx:max(0px, calc(var(--nz-art-w,0px) - var(--chk-gx) - var(--measure) - 12rem))}.lesson-main article>astro-island>#retrieval:before{left:calc(30px - var(--chk-gx));right:calc(-1 * var(--chk-rx))}.lesson-main article>astro-island>#retrieval:after{left:calc(-1 * var(--chk-gx))}}:root{--nz-i-copy:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='9' y='9' width='11' height='11' rx='2'/%3E%3Cpath d='M5 15V6a2 2 0 0 1 2-2h8'/%3E%3C/svg%3E");--nz-i-check:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7'/%3E%3C/svg%3E");--nz-i-x:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 6l12 12M18 6L6 18'/%3E%3C/svg%3E");--nz-i-fork:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 21v-6'/%3E%3Cpath d='M12 15L6 9V4'/%3E%3Cpath d='M12 15l6-6V4'/%3E%3Cpath d='M4 6l2-2 2 2'/%3E%3Cpath d='M16 6l2-2 2 2'/%3E%3C/svg%3E");--nz-i-checkc:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='9'/%3E%3Cpath d='M8 12.5l2.8 2.8L16 10'/%3E%3C/svg%3E");--nz-i-bookmark:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 3h12v18l-6-4-6 4z'/%3E%3C/svg%3E");--nz-i-alert:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 4l9 16H3z'/%3E%3Cpath d='M12 10v4'/%3E%3Cpath d='M12 17.5h.01'/%3E%3C/svg%3E");--nz-i-message:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M21 12a8 8 0 0 1-11.6 7.1L4 20l1-4.5A8 8 0 1 1 21 12z'/%3E%3Cpath d='M8.5 11h7M8.5 14.5h4'/%3E%3C/svg%3E");--nz-i-file:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M14 3H7a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h10a2 2 0 0 0 2-2V8z'/%3E%3Cpath d='M14 3v5h5'/%3E%3Cpath d='M9 13h6M9 17h4'/%3E%3C/svg%3E");--nz-i-ext:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M14 4h6v6'/%3E%3Cpath d='M20 4l-9 9'/%3E%3Cpath d='M18 14v4a2 2 0 0 1-2 2H6a2 2 0 0 1-2-2V8a2 2 0 0 1 2-2h4'/%3E%3C/svg%3E")}@media (width<=767px){:root .code-frame.term>pre.astro-code{border-color:var(--term-line);background-color:var(--term-bg)!important}}@media (width>=1024px){.compare .compare-body .tbl-wrap{background:0 0;border:0;width:100%;min-width:0;max-width:100%;max-height:none;margin:0;padding:0;overflow:visible}.compare .compare-body table{grid-auto-flow:column;grid-template-rows:repeat(var(--cols,1), auto);border-collapse:separate;border:0;grid-template-columns:12rem;grid-auto-columns:minmax(0,1fr);width:100%;margin:0;font-size:.9375rem;line-height:1.5;display:grid;overflow:visible}.compare .compare-body :is(thead,tbody,tr){display:contents}.compare .compare-body :is(th,td){border:0;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;min-width:0;color:var(--ink);transition:background-color .14s var(--ease);background:0 0;margin:0;padding:.75rem 1rem;font-weight:400;display:block;position:static}.compare .compare-body tr>:last-child{border-bottom:0}.compare .compare-body thead th{color:var(--ink-2);padding-left:0;font-size:.8125rem;font-weight:650;line-height:1.35}.compare .compare-body thead th:first-child{color:var(--muted)}.compare .compare-body tbody tr>:first-child{border-bottom-color:var(--line-2);letter-spacing:-.008em;color:var(--ink);padding-block:.5rem .85rem;font-size:1.15rem;font-weight:700;line-height:1.3}.compare .compare-body tbody tr:hover>*{background:var(--surface-2)}.compare .compare-body{padding:1rem 1.5rem 1.25rem}.lesson-main .prose>.segment:before,.lesson-main :is(#lab,#retrieval,#complete):before,.lesson-main .prose>.segment~[data-worked]:not(:is([data-worked],#epilogue)~*):before{content:"";background:var(--line);pointer-events:none;height:1px;position:absolute;top:-2.5rem;left:0;right:0}.lesson-main :is(#lab,#retrieval,#complete):before,.lesson-main .prose>.segment~[data-worked]:not(:is([data-worked],#epilogue)~*):before{left:30px}.lesson-main :is(#lab,#retrieval,#complete):after,.lesson-main .prose>.segment~[data-worked]:not(:is([data-worked],#epilogue)~*):after{content:"";background:var(--muted);width:18px;height:18px;-webkit-mask:var(--nz-g) center / 18px 18px no-repeat;-webkit-mask:var(--nz-g) center / 18px 18px no-repeat;-webkit-mask:var(--nz-g) center / 18px 18px no-repeat;mask:var(--nz-g) center / 18px 18px no-repeat;pointer-events:none;position:absolute;top:calc(-2.5rem - 9px);left:0}.lesson-main .prose>.segment,.lesson-main :is(#lab,#retrieval,#complete),.lesson-main .prose>.segment~[data-worked]:not(:is([data-worked],#epilogue)~*){position:relative}.lesson-main [data-worked]{--nz-g:var(--nz-g-layers)}.lesson-main #lab{--nz-g:var(--nz-g-terminal)}.lesson-main #retrieval{--nz-g:var(--nz-g-quiz)}.lesson-main #complete{--nz-g:var(--nz-g-checkCircle)}.lesson-main .prose>#lab,.lesson-main .prose>.segment~[data-worked]:not(:is([data-worked],#epilogue)~*){margin-top:6rem}.lesson-main .prose>:is(#scenario,#epilogue){margin-top:3.5rem}}:root{--px-mask-check:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7'/%3E%3C/svg%3E");--px-mask-alert:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 4l9 16H3z'/%3E%3Cpath d='M12 10v4'/%3E%3Cpath d='M12 17.5h.01'/%3E%3C/svg%3E");--px-mask-target:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='8'/%3E%3Ccircle cx='12' cy='12' r='4'/%3E%3Cpath d='M12 12h.01'/%3E%3C/svg%3E")}.lab .lab-head .lab-title{letter-spacing:0;margin:0;font-size:1.125rem;font-weight:600;line-height:1.75rem}.lab .lab-warn p{margin:0}@media (width>=768px){.lab .lab-head .lab-title{letter-spacing:-.016em;font-size:1.55rem;font-weight:750;line-height:1.22}.lab .code-frame+.expected .lab-if{max-width:none;color:var(--term-ink);border-top-color:var(--term-line)}.lab .code-frame+.expected .lab-if:before{background:var(--due)}@supports (color:color-mix(in lab, red, red)){.lab .code-frame+.expected .lab-if:before{background:color-mix(in srgb, var(--due) 60%, var(--term-ink))}}.lab .lab-steps>li>:is(.code-frame,pre),.lab .lab-steps>li>.code-frame+.expected{width:calc(100cqi - 3.5rem);max-width:none;margin-inline:0}.lab .lab-slot>astro-slot>div>div>:is(.code-frame,pre){max-width:100cqi}.lab .lab-steps+:is(.code-frame,pre),.lab .lab-steps+.code-frame+.expected{width:auto;max-width:none;margin-left:3.5rem;margin-right:0}.lab .lab-steps~p:not(:has(~.lab-steps)){margin-left:3.5rem}.lab .code-frame[data-kind=command]>pre .line{white-space:pre-wrap;overflow-wrap:anywhere;text-indent:-2ch;width:100%;padding-left:2ch;display:inline-block}figure.ix>astro-island>.card,figure.ix>.card,figure.ix figure.card{box-shadow:none;background:0 0;border:0;border-radius:0}figure.ix pre.break-all{word-break:normal;overflow-wrap:anywhere}figure.ix.is-theater{z-index:var(--z-theater);overscroll-behavior:contain;width:min(1400px,100vw - 48px);max-width:none;height:fit-content;max-height:92vh;box-shadow:var(--shadow-raised);animation:ix-in .22s var(--ease) both;margin:auto;position:fixed;inset:0;overflow:auto}figure.ix.is-theater>.ix-head{z-index:3;position:sticky;top:0}figure.ix.is-theater .ix-esc{display:inline-flex}figure.ix.is-theater .ix-expand .ix-i-open{display:none}figure.ix.is-theater .ix-expand .ix-i-close{display:inline}}@container ix (width>=820px){.md\:grid-cols-\[3fr_2fr\]{grid-template-columns:minmax(0,7fr) minmax(17rem,3fr)}}@container ix (width<=819.98px){.md\:grid-cols-\[3fr_2fr\]{grid-template-columns:minmax(0,1fr)}}@container ix (width<=853px){:is([data-interactive=BenchmarkRunBuilder],[data-interactive=BreakoutFecPlanner],[data-interactive=FabricSizer],[data-interactive=QosLaneMapper]) .md\:grid-cols-\[3fr_2fr\]{grid-template-columns:minmax(0,1fr)}}@container ix (width<=945px){:is([data-interactive=DocaCoreStepper],[data-interactive=MtuBudgetCalculator],[data-interactive=RdmaNetnsFork],[data-interactive=RdmaVerbsExplorer]) .md\:grid-cols-\[3fr_2fr\]{grid-template-columns:minmax(0,1fr)}}@container ix (width<=1029px){:is([data-interactive=BlueFieldBlockExplorer],[data-interactive=NvueConfigFlow],[data-interactive=PodNetworkBuilder],[data-interactive=RaSelector],[data-interactive=TelemetrySignalPicker],[data-interactive=TaskLifecycleStepper]) .md\:grid-cols-\[3fr_2fr\]{grid-template-columns:minmax(0,1fr)}}@container ix (width<=1084px){:is([data-interactive=CongestionLoopSim],[data-interactive=FabricTopologyExplorer],[data-interactive=HbnOvsTopology],[data-interactive=NumaAlignmentPlanner],[data-interactive=PacketPathExplorer],[data-interactive=PlaneTopology],[data-interactive=SrhPacketBuilder],[data-interactive=SmElectionSim]) .md\:grid-cols-\[3fr_2fr\]{grid-template-columns:minmax(0,1fr)}}@container ix (width<=1135px){[data-interactive=DpfTopology] .md\:grid-cols-\[3fr_2fr\]{grid-template-columns:minmax(0,1fr)}}@container ix (width<=1157px){[data-interactive=CompatMatrix] [id=cm-panel-timeline]>.md\:grid-cols-\[3fr_2fr\]{grid-template-columns:minmax(0,1fr)}}@container ix (width>=820px){.md\:grid-cols-\[3fr_2fr\]:not(.oc-work)>:first-child{align-self:start}[data-interactive=CompatMatrix] .md\:grid-cols-\[3fr_2fr\]>aside{top:calc(var(--header-h) + var(--lesson-bar-h,0px) + 1rem);align-self:start;position:sticky}[data-interactive=SprayReorderLab] .md\:grid-cols-\[3fr_2fr\]{grid-template-columns:minmax(0,1fr) minmax(0,1fr);column-gap:1.5rem}}figure.ix[data-ix-pin] .md\:grid-cols-\[3fr_2fr\]:not(.oc-work)>:first-child{top:calc(var(--header-h) + var(--lesson-bar-h,0px) + 1rem);position:sticky}figure.ix.is-theater[data-ix-pin] .md\:grid-cols-\[3fr_2fr\]:not(.oc-work)>:first-child,figure.ix.is-theater[data-interactive=CompatMatrix] .md\:grid-cols-\[3fr_2fr\]>aside{top:calc(44px + 1rem)}@media (width>=768px){figure.ix[data-interactive=SprayReorderLab] pre{white-space:pre;overflow-x:auto}[data-interactive=AdaptiveRoutingSim] .md\:grid-cols-\[3fr_2fr\]>:nth-child(2){overflow-wrap:anywhere}[data-interactive=AdaptiveRoutingSim] div:has(>.min-w-\[8\.5rem\]){grid-template-columns:repeat(3,minmax(0,1fr));display:grid}}@container ix (width>=1100px){[data-interactive=AdaptiveRoutingSim] div:has(>.min-w-\[8\.5rem\]){grid-template-columns:repeat(6,minmax(0,1fr))}}@media (width>=768px){figure.ix .fae-say-glyph{width:18px;height:18px;color:var(--muted);background:currentColor;flex:none;margin-top:1px;font-size:0;overflow:hidden;-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M21 12a8 8 0 0 1-11.6 7.1L4 20l1-4.5A8 8 0 1 1 21 12z'/%3E%3Cpath d='M8.5 11h7M8.5 14.5h4'/%3E%3C/svg%3E") 50%/contain no-repeat;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M21 12a8 8 0 0 1-11.6 7.1L4 20l1-4.5A8 8 0 1 1 21 12z'/%3E%3Cpath d='M8.5 11h7M8.5 14.5h4'/%3E%3C/svg%3E") 50%/contain no-repeat}figure.ix .md\:grid-cols-\[3fr_2fr\]>:nth-child(2){max-width:48rem}figure.ix svg.diagram{margin-inline:auto;display:block}figure.ix svg.diagram[viewBox^="0 0 360 "]{max-width:414px}figure.ix svg.diagram[viewBox^="0 0 380 "]{max-width:437px}figure.ix svg.diagram[viewBox^="0 0 400 "]{max-width:460px}figure.ix svg.diagram[viewBox^="0 0 440 "]{max-width:506px}figure.ix svg.diagram[viewBox^="0 0 460 "]{max-width:529px}figure.ix svg.diagram[viewBox^="0 0 480 "]{max-width:552px}figure.ix svg.diagram[viewBox^="0 0 520 "]{max-width:598px}figure.ix svg.diagram[viewBox^="0 0 560 "]{max-width:644px}figure.ix svg.diagram[viewBox^="0 0 620 "]{max-width:713px}figure.ix svg.diagram[viewBox^="0 0 640 "]{max-width:736px}figure.ix svg.diagram[viewBox^="0 0 648 "]{max-width:745px}figure.ix svg.diagram[viewBox^="0 0 660 "]{max-width:759px}figure.ix svg.diagram[viewBox^="0 0 720 "]{max-width:828px}figure.ix svg.diagram[viewBox^="0 0 760 "]{max-width:874px}figure.ix svg.diagram[viewBox^="0 0 800 "]{max-width:920px}figure.ix svg.diagram[viewBox^="0 0 820 "]{max-width:943px}[data-interactive=SmElectionSim] svg.diagram{max-width:874px}[data-interactive=PartitionDesigner] svg.diagram{max-width:max(460px, calc(var(--pd-vbw,400) * 1.15px));min-width:calc(var(--pd-vbw,400) * 1.1px)!important}[data-interactive=FlowPipeBuilder] svg.diagram{max-width:600px}.oc .oc-work{grid-template-columns:3fr 2fr;row-gap:0}.oc .oc-left{display:contents}.oc .oc-presets,.oc .oc-note{grid-column:1/-1}}@media (width>=1024px){@container ix (width>=800px){.oc{--oc-top:calc(var(--header-h) + var(--lesson-bar-h,0px) + 1rem)}.oc .oc-work{grid-template:"presets center right""note center right""controls center right"1fr/minmax(13rem,18rem) minmax(16rem,1fr) minmax(14rem,19rem);align-items:start;gap:0 1.75rem;display:grid}.oc .oc-left,.oc .oc-side{display:contents}.oc .oc-presets{flex-direction:column;grid-area:presets;align-items:stretch;gap:.375rem;margin:0 0 .875rem;display:flex}.oc .oc-plabel{color:var(--ink-2);margin:0 0 .125rem;font-size:.8125rem;font-weight:650}.oc .oc-presets>button{text-align:left;justify-content:flex-start;min-height:2.125rem;font-size:.8125rem}.oc .oc-spacer{display:none}.oc .oc-presets>.oc-mode{align-self:flex-start;margin-top:.25rem}.oc .oc-note{background:var(--surface-2);color:var(--muted);border-radius:.6rem;grid-area:note;margin:0 0 1.125rem;padding:.625rem .75rem;font-size:.8125rem;line-height:1.5}.oc .oc-controls{grid-area:controls;min-width:0}.oc .oc-inputs{grid-template-columns:minmax(0,1fr);gap:.875rem}.oc .oc-in{grid-template-columns:minmax(0,1fr) 5.25rem;align-items:center;gap:.3rem .625rem;font-size:.8125rem;display:grid}.oc .oc-in>.oc-in-head{grid-column:1/-1;align-items:baseline}.oc .oc-in>input[type=range]{margin:0}.oc .oc-in>input[type=range]:last-child{grid-column:1/-1}.oc .oc-in>.oc-num{font-variant-numeric:tabular-nums;margin:0;font-size:.8125rem}.oc .oc-in-v{font-family:var(--font-sans);font-variant-numeric:tabular-nums;color:var(--ink);font-size:.875rem;font-weight:700}.oc .oc-group{color:var(--ink-2);margin-top:1.25rem;font-size:.8125rem;font-weight:650}.oc .oc-work-btns{margin-top:.4rem}.oc .oc-feats{grid-template-columns:minmax(0,1fr);gap:.125rem;margin-top:.3rem}.oc .oc-feat{background:0 0;border-color:#0000;border-radius:.5rem;padding:.4rem .5rem;font-size:.8125rem;line-height:1.4;transition:background-color .14s}.oc .oc-feat:hover{background:var(--surface-2)}.oc .oc-feat:has(input:checked){background:var(--accent-soft);border-color:#0000}.oc .oc-right{top:var(--oc-top);grid-area:right;min-width:0;position:sticky}.oc .oc-rec{background:var(--surface-2);border:0;border-radius:.6rem;padding:.875rem 1rem 1rem}.oc .oc-rec-v{letter-spacing:-.012em;text-wrap:balance;margin:0;font-size:1.3rem;font-weight:800;line-height:1.2}.oc .rec-dpu .oc-rec-v{color:var(--accent)}.oc .rec-nic .oc-rec-v{color:var(--info)}.oc .oc-reasons{color:var(--ink-2);margin:.6rem 0 0 1rem;font-size:.8125rem;line-height:1.5}.oc .oc-reasons>li{margin:0}.oc .oc-reasons>li+li{margin-top:.35rem}.oc .oc-metrics{margin-top:.875rem;display:block}.oc .oc-row{border-top:1px solid var(--line);grid-template-columns:minmax(0,1fr) auto;align-items:baseline;column-gap:.75rem;padding:.5rem 0;display:grid}.oc .oc-row:first-child{border-top:0}.oc .oc-row-nic{display:none}.oc .oc-row>dt{color:var(--ink-2);font-size:.8125rem;font-weight:600;line-height:1.35}.oc .oc-row>dd{font-family:var(--font-sans);flex-direction:column;align-items:flex-end;gap:.2rem;font-weight:400;display:flex}.oc .oc-v{letter-spacing:-.01em;font-variant-numeric:tabular-nums;white-space:nowrap;font-size:1.125rem;font-weight:750;line-height:1.1}.oc .oc-key .oc-v{letter-spacing:-.02em;font-size:1.9rem;font-weight:800;line-height:1}.oc .oc-row>dd:not(.text-danger,.text-mastery,.text-due)>.oc-v{color:var(--ink)}.oc .oc-kwh{font-variant-numeric:tabular-nums;white-space:nowrap;order:1;font-size:.75rem;font-weight:600}.oc .oc-sep{display:none}.oc .oc-d{border:1px solid var(--line);background:var(--surface-2);min-height:1.25rem;color:var(--ink-2);font-variant-numeric:tabular-nums;white-space:nowrap;border-radius:999px;order:2;align-items:center;padding:0 .45rem;font-size:.72rem;font-weight:650;display:inline-flex}figure.ix .oc svg.oc-oldbar{display:none}.oc .oc-save{margin-top:.875rem}.oc .oc-center{top:var(--oc-top);grid-area:center;min-width:0;display:block;position:sticky}.oc .oc-sec+.oc-sec{margin-top:1.5rem}.oc .oc-h{color:var(--ink-2);justify-content:space-between;align-items:baseline;gap:.75rem;margin-bottom:.55rem;font-size:.8125rem;font-weight:650;display:flex}.oc .oc-h-n{font-variant-numeric:tabular-nums;color:var(--ink);font-size:1.125rem;font-weight:750}.oc .oc-bar{background:var(--surface-3);border-radius:999px;height:1rem;display:flex;overflow:hidden}.oc .oc-bar>span{height:100%;transition:flex-basis .25s var(--ease);flex-shrink:0;display:block}.oc .oc-legend{color:var(--ink-2);gap:.3rem;margin:.65rem 0 0;padding:0;font-size:.8125rem;list-style:none;display:grid}.oc .oc-legend>li{align-items:center;gap:.5rem;margin:0;display:flex}.oc .oc-legend b{font-variant-numeric:tabular-nums;color:var(--ink);margin-left:auto;font-weight:700}.oc .oc-key-sw{border-radius:2px;flex:none;width:.625rem;height:.625rem}.oc .oc-bar>.oc-seg-host,.oc .oc-key-rest{background-color:var(--ink-2)}@supports (color:color-mix(in lab, red, red)){.oc .oc-bar>.oc-seg-host,.oc .oc-key-rest{background-color:color-mix(in srgb, var(--ink-2) 20%, var(--surface-3))}}.oc .oc-bar>.oc-seg-host,.oc .oc-key-rest{background-image:repeating-linear-gradient(135deg, var(--ink-2) 0 2px, transparent 2px 6px)}@supports (color:color-mix(in lab, red, red)){.oc .oc-bar>.oc-seg-host,.oc .oc-key-rest{background-image:repeating-linear-gradient(135deg, color-mix(in srgb, var(--ink-2) 55%, transparent) 0 2px, transparent 2px 6px)}}.oc .oc-bar>.oc-seg-host,.oc .oc-key-rest{box-shadow:none}.oc .oc-chart{position:relative}.oc .oc-plot{height:12.5rem;position:relative}.oc .oc-plot>svg{width:100%;height:100%;position:absolute;inset:0;overflow:visible}.oc .oc-grid{stroke:var(--line);stroke-width:1px}.oc .oc-axis{stroke:var(--line-input);stroke-width:1px}.oc .oc-capex{stroke:var(--ink-2);stroke-width:1.5px}.oc .oc-limit{stroke:var(--muted);stroke-width:1.25px;stroke-dasharray:5 4}.oc .oc-cum{stroke:var(--accent);stroke-width:2.5px;stroke-linecap:round}.oc .oc-cum.neg{stroke:var(--danger)}.oc .oc-tag{background:var(--surface);font-variant-numeric:tabular-nums;white-space:nowrap;color:var(--muted);pointer-events:none;border-radius:.25rem;padding:0 .2rem;font-size:.8125rem;line-height:1.25;position:absolute}.oc .oc-tag-capex{color:var(--ink-2);font-weight:650}.oc .oc-tag-pay{color:var(--accent);font-weight:750}.oc .oc-tag-pay.never{color:var(--danger)}.oc .oc-chart:not(.is-placed) .oc-tag-limit{top:0;transform:translate(.3rem,-.1rem)}.oc .oc-chart:not(.is-placed) .oc-tag-capex{left:0;transform:translate(-.2rem,calc(-100% - .25rem))}.oc .oc-chart:not(.is-placed) .oc-tag-pay{transform:translate(.55rem,.4rem)}.oc .oc-chart:not(.is-placed) .oc-tag-pay.end{transform:translate(calc(-100% - .55rem),.4rem)}.oc .oc-chart:not(.is-placed) .oc-tag-pay.past{transform:translate(-100%,calc(-100% - .45rem))}.oc .oc-chart:not(.is-placed) .oc-tag-pay.never{transform:translate(calc(-100% - .2rem),calc(-100% - .4rem))}.oc .oc-dot{background:var(--accent);width:.75rem;height:.75rem;box-shadow:0 0 0 2px var(--surface);border-radius:999px;position:absolute;transform:translate(-50%,-50%)}.oc .oc-ticks{height:1rem;color:var(--muted);font-variant-numeric:tabular-nums;margin-top:.4rem;font-size:.75rem;position:relative}.oc .oc-ticks>span{white-space:nowrap;position:absolute;top:0;transform:translate(-50%)}.oc .oc-ticks>span:first-child{transform:none}.oc .oc-ticks>span:last-child{transform:translate(-100%)}.oc .oc-notes{gap:.6rem;margin-top:1.25rem;display:grid}.oc .oc-what,.oc .oc-why{color:var(--ink-2);background:var(--surface-2);text-wrap:pretty;border-radius:.6rem;margin:0;padding:.625rem .75rem;font-size:.8125rem;line-height:1.55}.oc .oc-what b,.oc .oc-why b{color:var(--ink);font-weight:700}.oc .oc-hint{color:var(--muted)}.oc .oc-details{border-top:1px solid var(--line);margin-top:1.5rem;padding-top:.25rem;font-size:.8125rem;line-height:1.5}.oc .oc-details>summary{cursor:pointer;min-height:2.75rem;color:var(--ink);border-radius:.5rem;align-items:center;gap:.5rem;margin-inline:-.5rem;padding-inline:.5rem;font-weight:650;list-style:none;transition:background-color .14s;display:flex}.oc .oc-details>summary::-webkit-details-marker{display:none}.oc .oc-details>summary:hover{background:var(--surface-2)}.oc .oc-sum-chev{color:var(--muted);transition:transform .18s var(--ease);flex:none;display:block}.oc .oc-details[open]>summary .oc-sum-chev{transform:rotate(90deg)}.oc .oc-sum-count{color:var(--muted);font-variant-numeric:tabular-nums;margin-left:auto;font-weight:500;display:inline}.oc .oc-assume{color:var(--ink-2);grid-template-columns:repeat(2,minmax(0,1fr));gap:.6rem 2rem;display:grid}.oc .oc-assume>li{margin:0}.oc .oc-assume b{color:var(--ink)}.oc .oc-assume>.oc-model{max-width:var(--measure);grid-column:1/-1}}}figure.ix.is-theater .oc{--oc-top:3.75rem}[data-component=SidBehaviorExplorer] :not(pre)>code{-webkit-box-decoration-break:clone;box-decoration-break:clone;padding:0 .25em}[data-component=SidBehaviorExplorer] .bg-surface-2 :not(pre)>code{background:var(--surface)}@media (width>=768px){[data-component=CongestionLoopSim] .diagram .label{font-size:13px}[data-component=CongestionLoopSim] .diagram .small{font-size:12px}[data-component=CongestionLoopSim] .cls-stage{flex-direction:column;display:flex}[data-component=CongestionLoopSim] .cls-stage>*{order:2}[data-component=CongestionLoopSim] .cls-stage>h3{color:var(--ink);order:0;margin:0;font-size:1.0625rem;font-weight:700;line-height:1.35}[data-component=CongestionLoopSim] .cls-stage>.cls-meta{order:1;margin-top:.15rem}[data-component=CongestionLoopSim] .cls-stage>p{margin-top:.5rem;line-height:1.55}[data-component=CongestionLoopSim] .cls-well{background:var(--surface-2);border:0;border-radius:.6rem;padding:.875rem 1rem}[data-component=CongestionLoopSim] .cls-well>.font-semibold:first-child{color:var(--ink);font-size:.875rem;font-weight:700}[data-component=CongestionLoopSim] .cls-counters{border:0;border-radius:0;padding:0}[data-component=CongestionLoopSim] .cls-counters>div:first-child{color:var(--ink-2);margin:0 0 .3rem;font-size:.8125rem;font-weight:650}[data-component=CongestionLoopSim] .cls-counters li{border-top:1px solid var(--line);margin:0;padding:.55rem 0}[data-component=CongestionLoopSim] .cls-counters li>.text-muted{margin-top:.15rem;line-height:1.45;display:block}[data-component=CongestionLoopSim] .cls-fault{border-radius:.6rem;padding:.875rem 1rem}[data-component=CongestionLoopSim] .cls-facts{margin:.4rem 0 0;padding:0;list-style:none}[data-component=CongestionLoopSim] .cls-fact{border-top:1px solid var(--line-2);margin:0;padding:.45rem 0 .45rem 1.375rem;line-height:1.45;position:relative}[data-component=CongestionLoopSim] .cls-fact>svg{position:absolute;top:.6rem;left:0}[data-component=CongestionLoopSim] .cls-src{border-top:1px solid var(--line-2);margin:.6rem 0 0;padding:.55rem 0 0 1.375rem;line-height:1.6;position:relative}[data-component=CongestionLoopSim] .cls-fact:not(.is-unv):before,[data-component=CongestionLoopSim] .cls-src:before{content:"";background:var(--muted);width:13px;height:13px;position:absolute;top:.6rem;left:0;-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M14 3H7a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h10a2 2 0 0 0 2-2V8z'/%3E%3Cpath d='M14 3v5h5'/%3E%3Cpath d='M9 13h6M9 17h4'/%3E%3C/svg%3E") 50%/contain no-repeat;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M14 3H7a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h10a2 2 0 0 0 2-2V8z'/%3E%3Cpath d='M14 3v5h5'/%3E%3Cpath d='M9 13h6M9 17h4'/%3E%3C/svg%3E") 50%/contain no-repeat}[data-component=CongestionLoopSim] .cls-src:before{top:.78rem}[data-component=CongestionLoopSim] .cls-model{padding-left:1.25rem;position:relative}[data-component=CongestionLoopSim] .cls-model>svg{position:absolute;top:.1rem;left:0}}@container ix (width>=800px) and (width<=1084px){figure.ix [data-component=CongestionLoopSim] .cls-panel.cls-panel{grid-template-columns:repeat(2,minmax(0,1fr));align-items:start;column-gap:1.75rem;max-width:none;display:grid}figure.ix [data-component=CongestionLoopSim] .cls-panel>.cls-col{margin:0}}@media (width>=768px){[data-component=CounterTriageBoard] .diagram .small{font-size:11px}[data-component=NumaAlignmentPlanner] .diagram .small{font-size:12px}[data-interactive=TroubleshootingTree] .diagram .small{font-size:10.5px}figure.ix[data-interactive] pre{--cover:var(--surface-2);--shade:var(--ink)}@supports (color:color-mix(in lab, red, red)){figure.ix[data-interactive] pre{--shade:color-mix(in srgb, var(--ink) 20%, transparent)}}figure.ix[data-interactive] pre{white-space:pre;overflow-wrap:normal;word-break:normal;scrollbar-width:thin;scrollbar-color:var(--line-input) transparent;background-image:linear-gradient(to right, var(--cover) 30%, transparent), linear-gradient(to left, var(--cover) 30%, transparent), radial-gradient(farthest-side at 0 50%, var(--shade), transparent), radial-gradient(farthest-side at 100% 50%, var(--shade), transparent);background-position:0,100%,0,100%;background-repeat:no-repeat;background-size:2.5rem 100%,2.5rem 100%,.9rem 100%,.9rem 100%;background-attachment:local,local,scroll,scroll;min-width:0;max-width:100%;overflow-x:auto}figure.ix[data-interactive] pre:focus-visible{outline-offset:-2px}:is([data-interactive=CongestionLoopSim],[data-interactive=SprayReorderLab],[data-interactive=CounterTriageBoard],[data-interactive=RoceHeaderStack],[data-interactive=PartitionDesigner],[data-interactive=NumaAlignmentPlanner]) :not(pre)>code{white-space:nowrap;overflow-wrap:normal;word-break:normal}[data-interactive=SidBehaviorExplorer] :not(pre)>code{overflow-wrap:normal;word-break:normal}}[data-interactive=BlueFieldBlockExplorer] .diagram rect.dim~text{fill:var(--muted);opacity:1!important}@supports (color:color-mix(in lab, red, red)){[data-interactive=BlueFieldBlockExplorer] .diagram rect.dim~text{fill:color-mix(in srgb, var(--muted) 70%, var(--surface))}}[data-interactive=DocaCoreStepper] .diagram g.dim{opacity:1!important}[data-interactive=DocaCoreStepper] .diagram g.dim>rect{opacity:.3}[data-interactive=DocaCoreStepper] .diagram g.dim>text{fill:var(--muted)}@supports (color:color-mix(in lab, red, red)){[data-interactive=DocaCoreStepper] .diagram g.dim>text{fill:color-mix(in srgb, var(--muted) 70%, var(--surface))}}[data-interactive=FabricQosPipeline] .diagram rect.dim~text{fill:var(--muted);opacity:1!important}@supports (color:color-mix(in lab, red, red)){[data-interactive=FabricQosPipeline] .diagram rect.dim~text{fill:color-mix(in srgb, var(--muted) 70%, var(--surface))}}[data-interactive=DpfTopology] .diagram rect.dim~text,[data-interactive=HbnOvsTopology] .diagram rect.dim~text{fill:var(--muted);opacity:1!important}@supports (color:color-mix(in lab, red, red)){[data-interactive=DpfTopology] .diagram rect.dim~text,[data-interactive=HbnOvsTopology] .diagram rect.dim~text{fill:color-mix(in srgb, var(--muted) 70%, var(--surface))}}[data-interactive=HbnOvsTopology] .diagram g[role=button][style*="0.35"]{opacity:1!important}[data-interactive=HbnOvsTopology] .diagram g[role=button][style*="0.35"]>path.edge{opacity:.35}[data-interactive=HbnOvsTopology] .diagram g[role=button][style*="0.35"]>text{fill:var(--muted)}@supports (color:color-mix(in lab, red, red)){[data-interactive=HbnOvsTopology] .diagram g[role=button][style*="0.35"]>text{fill:color-mix(in srgb, var(--muted) 70%, var(--surface-2))}}@media (width>=768px){[data-interactive=BlueFieldBlockExplorer] .diagram .small,[data-interactive=NvueConfigFlow] .diagram .small{font-size:10.2px}[data-interactive=HbnOvsTopology] .diagram .small{font-size:10.8px}[data-interactive=FabricTopologyExplorer] .diagram .small{font-size:10.7px}[data-interactive=ClaimProbeBoard] .diagram .small{font-size:11px}[data-interactive=AdaptiveRoutingSim] .mb-3>.chip-danger{max-width:var(--measure);border-radius:.6rem;padding-block:.25rem}[data-interactive=BenchmarkRunBuilder] li.flex>span:not(.chip),[data-interactive=BenchmarkRunBuilder] label.block,[data-interactive=BreakoutFecPlanner] .bg-surface-2>div,[data-interactive=FabricQosPipeline] .rounded-lg.border.p-3.text-xs{max-width:var(--measure)}figure.ix[data-interactive=BreakoutFecPlanner] .bg-surface-2>div>code{white-space:normal}:is([data-interactive=FabricQosPipeline],[data-interactive=FabricSizer],[data-interactive=NvueConfigFlow]) p:has(>a~a~a) a:not([class]){color:var(--ink-2);text-decoration:underline 1px dotted;-webkit-text-decoration-color:var(--line-input);-webkit-text-decoration-color:var(--line-input);text-decoration-color:var(--line-input);text-underline-offset:.22em}:is([data-interactive=FabricQosPipeline],[data-interactive=FabricSizer],[data-interactive=NvueConfigFlow]) p:has(>a~a~a) a:not([class]):hover{color:var(--accent);text-decoration-style:solid;text-decoration-color:currentColor}}@container ix (width<=1056px){:is([data-interactive=DocaCoreStepper],[data-interactive=MtuBudgetCalculator]) .md\:grid-cols-\[3fr_2fr\]{grid-template-columns:minmax(0,1fr)}}@container ix (width<=819.98px){[data-interactive=DpfTopology] .md\:grid-cols-\[3fr_2fr\]>:first-child{overscroll-behavior-x:contain;scrollbar-width:thin;scrollbar-color:var(--line-input) transparent;overflow-x:auto}[data-interactive=DpfTopology] .md\:grid-cols-\[3fr_2fr\]>:first-child>svg.diagram{width:888px;max-width:none;margin-inline:0}[data-interactive=DpfTopology] .md\:grid-cols-\[3fr_2fr\]>:first-child>:not(svg){position:sticky;left:0}[data-interactive=CompatMatrix] [id=cm-panel-timeline] .diagram .small{font-size:11.6px}}@container ix (width<=1299px){[data-interactive=DpfTopology] .md\:grid-cols-\[3fr_2fr\]{grid-template-columns:minmax(0,1fr)}}@container ix (width<=1135px){:is([data-interactive=BlueFieldBlockExplorer],[data-interactive=FabricTopologyExplorer],[data-interactive=HbnOvsTopology],[data-interactive=NvueConfigFlow]) .md\:grid-cols-\[3fr_2fr\]{grid-template-columns:minmax(0,1fr)}}@media (width>=768px){[data-interactive=PlaneTopology] .diagram .small{font-size:11.5px}:is([data-interactive=PacketPathExplorer],[data-interactive=PodNetworkBuilder],[data-interactive=ProvisioningStepper],[data-interactive=RaSelector],[data-interactive=RdmaVerbsExplorer]) .diagram .small{font-size:11px}[data-interactive=SrhPacketBuilder] .diagram .small{font-size:10.75px}[data-interactive=TelemetrySignalPicker] .diagram .small{font-size:10.2px}:is([data-interactive=PacketPathExplorer],[data-interactive=QosLaneMapper]) .diagram g>.box.dim~text,[data-interactive=PacketPathExplorer] svg.diagram>.box.dim+text,[data-interactive=ProvisioningStepper] .diagram .pv-off text{fill:var(--muted);opacity:1!important}@supports (color:color-mix(in lab, red, red)){:is([data-interactive=PacketPathExplorer],[data-interactive=QosLaneMapper]) .diagram g>.box.dim~text,[data-interactive=PacketPathExplorer] svg.diagram>.box.dim+text,[data-interactive=ProvisioningStepper] .diagram .pv-off text{fill:color-mix(in srgb, var(--muted) 70%, var(--surface))}}[data-interactive=ProvisioningStepper] .diagram .pv-off{opacity:1!important}[data-interactive=ProvisioningStepper] .diagram .pv-off :is(.box,.edge){opacity:.45}figure.ix[data-interactive=PodNetworkBuilder] div.text-xs,figure.ix:is([data-interactive=RaSelector],[data-interactive=RdmaVerbsExplorer]) .md\:grid-cols-\[3fr_2fr\]>:nth-child(2) div:not(.flex,.overflow-x-auto){max-width:var(--measure)}:is([data-interactive=RdmaVerbsExplorer],[data-interactive=QosLaneMapper]) p.text-muted a:not([class]){color:var(--ink-2);text-decoration:underline 1px dotted;-webkit-text-decoration-color:var(--line-input);-webkit-text-decoration-color:var(--line-input);text-decoration-color:var(--line-input);text-underline-offset:.22em}:is([data-interactive=RdmaVerbsExplorer],[data-interactive=QosLaneMapper]) p.text-muted a:not([class]):hover{color:var(--accent);text-decoration-style:solid;text-decoration-color:currentColor}[data-interactive=SidBehaviorExplorer] [role=group]>ol>li{border-left:0!important}}@container ix (width<=1000px){[data-interactive=RdmaNetnsFork] .md\:grid-cols-\[3fr_2fr\]{grid-template-columns:minmax(0,1fr)}}@container ix (width<=1136px){:is([data-interactive=PacketPathExplorer],[data-interactive=SrhPacketBuilder],[data-interactive=TelemetrySignalPicker],[data-interactive=TaskLifecycleStepper]) .md\:grid-cols-\[3fr_2fr\]{grid-template-columns:minmax(0,1fr)}}@media (prefers-reduced-motion:reduce){.cal-bar,.dash-cell,.dash-row,.sess-step,.coach-aside-row{transition:none}}.dr-opts .btn-big.mastery,.dr-opts .btn-big.danger{color:var(--on-status)}@media (width>=768px){.dr-opts>.btn-big{border:1px solid var(--line-input);border-radius:var(--radius-control);background:var(--surface);min-height:3.25rem;color:var(--ink);box-shadow:none;letter-spacing:0;cursor:pointer;transition:border-color .14s var(--ease), background-color .14s var(--ease);justify-content:flex-start;gap:.85rem;padding:.7rem 1rem;font-size:1rem;font-weight:400;line-height:1.45;transform:none}.dr-opts>.btn-big:not(:disabled):not([aria-pressed=true]):hover{background:var(--surface-2)}.dr-opts>.btn-big:disabled{cursor:default}.dr-opts>.btn-big.ghost:disabled{color:var(--ink-2)}.dr-opts>.btn-big[aria-pressed=true]{border-color:var(--accent);background:var(--accent-soft)}.dr-opts>.btn-big.mastery{border-color:var(--mastery);background:var(--mastery)}@supports (color:color-mix(in lab, red, red)){.dr-opts>.btn-big.mastery{background:color-mix(in srgb, var(--mastery) 9%, var(--surface))}}.dr-opts>.btn-big.mastery{color:var(--ink)}.dr-opts>.btn-big.dr-opt-missed{border:1px dashed var(--mastery);background:var(--mastery)}@supports (color:color-mix(in lab, red, red)){.dr-opts>.btn-big.dr-opt-missed{background:color-mix(in srgb, var(--mastery) 4%, var(--surface))}}.dr-opts>.btn-big.dr-opt-missed{color:var(--ink)}.dr-opts>.btn-big.danger{border-color:var(--danger);background:var(--danger)}@supports (color:color-mix(in lab, red, red)){.dr-opts>.btn-big.danger{background:color-mix(in srgb, var(--danger) 7%, var(--surface))}}.dr-opts>.btn-big.danger{color:var(--ink)}.dr-opts>.btn-big.mastery .dr-opt-state,.dr-opts>.btn-big.dr-opt-missed .dr-opt-state{color:var(--mastery)}.dr-opts>.btn-big.danger .dr-opt-state{color:var(--danger)}.dr-start>.btn-big,.dr-go>.btn-big,.dr-verdict-actions>.btn-big,.dr-res-actions>.btn-big{letter-spacing:0;width:auto;min-width:0;min-height:2.75rem;box-shadow:none;transition:background-color .14s var(--ease), border-color .14s var(--ease);border:1px solid #0000;border-radius:.6rem;padding:.65rem 1.6rem;font-size:1rem;font-weight:600;transform:none}.dr-start>.btn-big{width:100%}:is(.dr-start,.dr-go,.dr-verdict-actions,.dr-res-actions)>.btn-big:not(.ghost):not(:disabled):hover{background:var(--accent-2)}:is(.dr-start,.dr-go,.dr-verdict-actions,.dr-res-actions)>.btn-big:disabled{background:var(--surface-3);color:var(--faint)}:is(.dr-verdict-actions,.dr-res-actions)>.btn-big.ghost{border-color:var(--line-input);background:var(--surface);color:var(--ink)}:is(.dr-verdict-actions,.dr-res-actions)>.btn-big.ghost:hover{background:var(--surface-2);text-decoration:none}}.lb-next :focus-visible{outline-color:var(--scene-accent)}@media (prefers-reduced-motion:reduce){.rv-sheet,.rv-rate-btn,.rv-pill,.dr-mode,.dr-size,.dr-course,.dr-opts>.btn-big,.dr-start>.btn-big,.dr-go>.btn-big,.dr-verdict-actions>.btn-big,.dr-res-actions>.btn-big,.lb-next-go,.gx-field,.gx-course,.gx-az a,.gx-row,.nf-row{transition:none}}:root{color-scheme:light;--bg:#f7f7f5;--surface:#fff;--surface-2:#efefeb;--ink:#17181a;--muted:#54585f;--line:#e2e3df;--accent:#1a5fd0;--accent-ink:#fff;--mastery:#157a41;--due:#8a5400;--danger:#b3261e;--info:#0a5e6b;--surface-3:#e6e6e1;--raised:#fff;--ink-2:#33363b;--faint:#676b72;--line-2:#d2d4ce;--line-input:#8a8d86;--on-status:#fff;--accent-2:#154fae;--accent-soft:#e9f0fb;--scene:#0f1b30;--scene-2:#17253d;--scene-ink:#eef2f8;--scene-muted:#a7b4c8;--scene-line:#2b3b57;--scene-accent:#8ab6ff;--scene-close:#0f271d;--scene-close-accent:#6fdc9f;--paper-scene:#f1f4f9;--paper-close:#eff5f1;--term-bg:#0d1117;--term-bar:#161b22;--term-ink:#e6edf3;--term-muted:#8b949e;--term-line:#2d333b;--term-ok:#56d364;--code-bg:#f4f4f1;--shadow-raised:0 18px 40px -16px #12182447, 0 2px 6px -2px #1218241a;--shadow-float:0 6px 16px -8px #12182438}.dark{color-scheme:dark;--bg:#0f1113;--surface:#171a1d;--surface-2:#1f2327;--ink:#e8e9ea;--muted:#9aa0a6;--line:#2a2f34;--accent:#5aa2ff;--accent-ink:#0b1220;--mastery:#3ccf7a;--due:#f0b34a;--danger:#ff6b66;--info:#4cc9e6;--surface-3:#282d33;--raised:#1d2126;--ink-2:#c8cbcf;--faint:#878d94;--line-2:#3a4048;--line-input:#6b727a;--on-status:#0f1113;--accent-2:#86bbff;--accent-soft:#16243a;--scene:#1a2944;--scene-2:#213252;--scene-ink:#e9eef6;--scene-muted:#9eaec7;--scene-line:#33476a;--scene-accent:#8ab6ff;--scene-close:#15301f;--scene-close-accent:#6fdc9f;--paper-scene:#141a24;--paper-close:#131c18;--term-bg:#07090c;--term-bar:#1d232b;--term-ink:#e6edf3;--term-muted:#8b949e;--term-line:#262b31;--term-ok:#56d364;--code-bg:#121518;--shadow-raised:0 22px 48px -16px #000000b3, 0 2px 8px -2px #00000073;--shadow-float:0 8px 20px -8px #0009}@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}.stamp{border:3px double var(--mastery);color:var(--mastery);letter-spacing:.12em;text-transform:uppercase;opacity:.9;border-radius:.4rem;padding:.15rem .6rem;font-size:.8rem;font-weight:800;display:inline-block;transform:rotate(-8deg)}:root{--tabbar-h:4rem;--sat:env(safe-area-inset-top,0px);--sab:env(safe-area-inset-bottom,0px)}@media (pointer:coarse){.btn{min-height:2.75rem;padding:.6rem 1rem}.chip{min-height:1.6rem}a.chip,button.chip{min-height:2.25rem;padding:.2rem .8rem}input[type=text],input[type=password],textarea,select{min-height:2.9rem;font-size:1rem}}@media (width<=767px){html{-webkit-text-size-adjust:100%}body{padding-bottom:calc(var(--tabbar-h) + var(--sab))}main{padding-top:1rem;padding-left:1rem;padding-right:1rem}.prose{font-size:1rem;line-height:1.6}.prose h1{font-size:1.6rem}.prose h2{margin-top:1.6rem;font-size:1.25rem}.prose h3{font-size:1.08rem}.prose pre{border-left:0;border-right:0;border-radius:0;margin-left:-1rem;margin-right:-1rem;font-size:.82rem}.story{border-radius:1.1rem;padding:1.1rem 1rem}.card{border-radius:1rem}header.site-header .desktop-only{display:none}::selection{background:var(--accent)}@supports (color:color-mix(in lab, red, red)){::selection{background:color-mix(in srgb, var(--accent) 25%, transparent)}}}@media (width>=768px){.tabbar{display:none}body{padding-bottom:0}}@media (prefers-reduced-motion:reduce){.flow-step,.celebrate,.celebrate-card,.path-pulse{animation:none!important}}@media (pointer:coarse){.btn.\!px-2\.5,header .btn{min-width:2.75rem}header a.font-bold{align-items:center;min-height:2.75rem;display:inline-flex}.chip.chip-info.no-underline{min-height:2.25rem;padding:.2rem .8rem}}@media (width<=767px){.flow-bar{position:fixed;top:0;left:0;right:0}body.flow-active main{padding-top:calc(4.25rem + var(--sat))}body.flow-active article>header .text-xs:first-child{display:none}}.narrating{background:var(--accent)}@supports (color:color-mix(in lab, red, red)){.narrating{background:color-mix(in srgb, var(--accent) 9%, transparent)}}.narrating{box-shadow:-.6rem 0 0 0 var(--accent), .6rem 0 0 0 var(--accent)}@supports (color:color-mix(in lab, red, red)){.narrating{box-shadow:-.6rem 0 0 0 color-mix(in srgb, var(--accent) 9%, transparent), .6rem 0 0 0 color-mix(in srgb, var(--accent) 9%, transparent)}}.narrating{border-radius:.2rem;transition:background .2s ease-out}@media (prefers-reduced-motion:reduce){.narrating{transition:none}}.nz-scrub{width:100%;accent-color:var(--accent);cursor:pointer;background:0 0;height:1.5rem;margin:0}.nz-scrub:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:999px}@property --tw-translate-x{syntax:"*";inherits:false;initial-value:0}@property --tw-translate-y{syntax:"*";inherits:false;initial-value:0}@property --tw-translate-z{syntax:"*";inherits:false;initial-value:0}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-space-y-reverse{syntax:"*";inherits:false;initial-value:0}@property --tw-space-x-reverse{syntax:"*";inherits:false;initial-value:0}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-leading{syntax:"*";inherits:false}@property --tw-font-weight{syntax:"*";inherits:false}@property --tw-tracking{syntax:"*";inherits:false}@property --tw-ordinal{syntax:"*";inherits:false}@property --tw-slashed-zero{syntax:"*";inherits:false}@property --tw-numeric-figure{syntax:"*";inherits:false}@property --tw-numeric-spacing{syntax:"*";inherits:false}@property --tw-numeric-fraction{syntax:"*";inherits:false}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}@property --tw-ease{syntax:"*";inherits:false}@property --tw-backdrop-blur{syntax:"*";inherits:false}@property --tw-backdrop-brightness{syntax:"*";inherits:false}@property --tw-backdrop-contrast{syntax:"*";inherits:false}@property --tw-backdrop-grayscale{syntax:"*";inherits:false}@property --tw-backdrop-hue-rotate{syntax:"*";inherits:false}@property --tw-backdrop-invert{syntax:"*";inherits:false}@property --tw-backdrop-opacity{syntax:"*";inherits:false}@property --tw-backdrop-saturate{syntax:"*";inherits:false}@property --tw-backdrop-sepia{syntax:"*";inherits:false}@keyframes pulse{50%{opacity:.5}}
