/* SPDX-License-Identifier: MIT OR Apache-2.0 */
:root{--reading-width:70ch;--good:#8bf0ce;--warning-text:#f5b544}
[data-theme=light]{--good:#086347;--warning-text:#815100}
html{scroll-behavior:smooth;scroll-padding-top:30px;background:var(--bg-base)}
body{margin:0;background:var(--bg-base);font-family:var(--font-sans);color:var(--text-body)}
*{box-sizing:border-box}a{color:var(--link)}a:hover{color:var(--link-hover)}
button,a,input,summary{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:default;opacity:.55}
:focus-visible{outline:2px solid var(--accent);outline-offset:4px}
.book-bar{border-bottom:1px solid var(--border-subtle)}.book-bar .container{display:flex;align-items:center;gap:20px;min-height:64px;flex-wrap:wrap}
.book-brand{font-family:var(--font-mono);font-size:13px;color:var(--text-strong);text-decoration:none}.book-brand span{color:var(--text-faint)}
.book-nav{display:flex;flex-wrap:wrap;gap:2px;margin-left:auto;align-items:center}.book-nav a{padding:14px 10px;font:13px var(--font-mono);color:var(--text-muted);text-decoration:none;border-bottom:2px solid transparent}
.book-nav a[aria-current=page]{border-color:var(--accent);color:var(--text-strong)}.book-nav a:hover{color:var(--accent-hover)}
.theme-control{padding:8px 10px}.container{max-width:1176px;margin:auto;padding-left:28px;padding-right:28px}
.skip-link{position:absolute;left:15px;top:-120px;z-index:20;background:var(--bg-raised);padding:12px}.skip-link:focus{top:10px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.page{padding-top:48px;padding-bottom:64px}.page-heading{margin:0 0 36px;max-width:78ch}.page-heading h1{font:600 36px/1.15 var(--font-display);letter-spacing:-.03em;margin:12px 0 18px;color:var(--text-strong)}
.page-heading p{line-height:1.7;margin:0;color:var(--text-muted)}.eyebrow{font:11px var(--font-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--link)}
.hero{padding:72px 0 56px}.hero__inner{grid-template-columns:1.05fr .95fr;gap:52px}.hero h1{font:600 56px/1.04 var(--font-display);letter-spacing:-.035em;text-wrap:pretty;margin:20px 0}.hero h1 em{font-style:normal;color:var(--accent)}
.hero__tagline{font:italic 19px/1.6 var(--font-serif);border-left:2px solid var(--accent);padding-left:18px}.hero__intro{font:16px/1.65 var(--font-sans);max-width:48ch;color:var(--text-muted)}
.actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-top:20px}.measurements{display:flex;gap:10px 22px;flex-wrap:wrap;font:12px/1.7 var(--font-mono);color:var(--text-muted);margin-top:24px}.measurements strong{color:var(--link);font-weight:400}
.term{min-width:0;align-self:start}.term__bar{display:flex;align-items:center;gap:7px}.term__body{font:13px/1.8 var(--font-mono);overflow-wrap:anywhere}.term__body pre{font:inherit;white-space:pre-wrap;overflow-wrap:anywhere;margin:12px 0;color:var(--text-body)}.term__bar .status-label{margin-left:auto}
.query{display:flex;align-items:baseline;gap:12px;border-bottom:1px solid var(--border-subtle);padding:7px 0}.query code{min-width:0;overflow-wrap:anywhere}.query output{margin-left:auto;flex:none;font-size:12px}.true{color:var(--good)}.false{color:var(--text-muted)}.refused,.incomplete{color:var(--warning-text)}
.status-label{font:11px var(--font-mono);text-transform:uppercase;letter-spacing:.04em;color:var(--warning-text)}.status-label.live{color:var(--good)}.term-note{color:var(--text-faint);font-size:12px}.term details{margin:10px 0}.term summary{cursor:pointer;color:var(--text-muted)}
.run-controls{display:flex;gap:10px;flex-wrap:wrap;padding-top:16px;align-items:center}.run-message{margin:10px 0 0;font:12px/1.6 var(--font-mono);color:var(--text-muted)}
.section--tight{padding:42px 0}.section-title{font:600 28px/1.2 var(--font-display);letter-spacing:-.02em;color:var(--text-strong);margin:12px 0}.section-intro{color:var(--text-muted);line-height:1.65;max-width:76ch}
.floor-table{width:100%;border-collapse:collapse}.floor-table th{text-align:left;font:11px var(--font-mono);text-transform:uppercase;letter-spacing:.1em;color:var(--text-muted)}.floor-table th,.floor-table td{padding:14px 24px;border-bottom:1px solid var(--border-subtle)}.floor-table td:first-child{font:600 16px var(--font-display);color:var(--text-strong)}.floor-table code{font-size:12px;display:block;color:var(--text-muted)}.floor-table td:last-child{font:12px var(--font-mono)}.floor-table .q-badge{color:var(--good)}.floor-footer{padding:20px 24px;background:var(--surface-inset)}
.note{display:flex;gap:16px;border:1px solid var(--border-subtle);border-left:3px solid var(--symbol);border-radius:6px;background:var(--bg-raised);padding:18px 22px;margin-top:24px;font-size:14px;line-height:1.65}.note-glyph{font:24px var(--font-mono);color:var(--symbol)}.note strong{display:block;font:12px var(--font-mono);margin:2px 0 8px;color:var(--text-strong)}
.two-column{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:40px;align-items:start}.stack{display:flex;flex-direction:column;gap:24px;min-width:0}.side{position:sticky;top:28px}.pad{padding:22px}.marked{border-top:2px solid var(--accent)}
.card-title{font:600 18px/1.4 var(--font-display);color:var(--text-strong);margin:0 0 12px}.question-group{padding:18px 22px 8px}.question-group h2{font:12px/1.6 var(--font-mono);text-transform:uppercase;letter-spacing:.06em;color:var(--link);margin:0 0 12px}.question-row{display:grid;grid-template-columns:20px minmax(0,1fr) auto;gap:12px;padding:14px 0;border-top:1px solid var(--border-subtle);align-items:center;text-decoration:none;color:var(--text-strong);font:600 16px/1.4 var(--font-display)}.question-row .refs{font:12px var(--font-mono);color:var(--text-muted)}.question-row .mark{font:13px var(--font-mono);color:var(--good)}.question-row:hover{color:var(--link-hover)}
.progress-count{font:600 36px var(--font-display);color:var(--text-strong);margin:10px 0}.progress-count small{font:13px var(--font-mono);color:var(--text-muted)}progress{width:100%;height:6px;border:0;accent-color:var(--accent)}progress::-webkit-progress-bar{background:var(--surface-inset)}progress::-webkit-progress-value{background:var(--accent)}
.glossary details{border-top:1px solid var(--border-subtle);padding:10px 0;font-size:14px}.glossary summary{font:13px var(--font-mono);color:var(--text-strong);cursor:pointer}.glossary p{line-height:1.65;margin:10px 0}
.walk-grid{display:grid;grid-template-columns:235px minmax(0,1fr);gap:40px}.step-list{list-style:none;padding:0;display:flex;flex-direction:column;gap:6px}.step-link{display:flex;gap:12px;align-items:center;padding:14px 8px;border:0;border-left:2px solid var(--border-subtle);background:transparent;color:var(--text-muted);font:13px/1.4 var(--font-mono);text-align:left;width:100%;text-decoration:none}.step-link[aria-current=step]{border-color:var(--accent);color:var(--text-strong)}.step-num{display:grid;place-items:center;width:28px;height:28px;flex:none;border:1px solid var(--border-strong);border-radius:50%}.step-link[aria-current=step] .step-num{background:var(--accent);color:var(--text-on-ember);border-color:var(--accent)}.step-panel h2{font:600 28px/1.2 var(--font-display);color:var(--text-strong)}.step-panel p{line-height:1.65}.card-footer{padding:18px 22px;border-top:1px solid var(--border-subtle);display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.diagram{display:flex;gap:10px;flex-wrap:wrap;font:12px/1.6 var(--font-mono);color:var(--text-muted);margin:22px 0}.diagram span{border:1px solid var(--border-subtle);padding:10px;border-radius:4px}.cf-panel{padding:18px;margin-top:18px;border:1px dashed var(--warning-text);border-radius:6px}.self-check{border-top:1px solid var(--border-subtle);margin-top:22px;padding-top:22px}
.faq section+section{border-top:1px solid var(--border-subtle);margin-top:22px;padding-top:22px}.faq h2{font:600 22px/1.3 var(--font-display);color:var(--text-strong);margin:0 0 12px}.faq p{line-height:1.7;margin:8px 0}.source-list{padding-left:18px;line-height:1.8;font-size:14px}.sources-strip{padding:18px 0;border-top:1px solid var(--border-subtle);font:12px/1.6 var(--font-mono);display:flex;gap:14px 24px;flex-wrap:wrap;color:var(--text-faint)}
.reader-layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:40px}.reader-nav{font:13px/1.6 var(--font-sans);position:sticky;top:24px;max-height:85vh;overflow:auto}.reader-nav ul{list-style:none;padding:0}.reader-nav a{display:block;padding:7px 0;text-decoration:none;color:var(--text-muted)}.reader-nav a:hover{color:var(--link)}.reader-body{max-width:var(--reading-width);margin:0 auto;font:18px/1.8 var(--font-serif);min-width:0}.reader-body article h1{font:600 38px/1.2 var(--font-display);letter-spacing:-.025em;color:var(--text-strong)}.reader-body h2{font:600 27px/1.3 var(--font-display);margin-top:44px;color:var(--text-strong)}.reader-body h3{font:600 22px/1.4 var(--font-display);margin-top:32px}.reader-body p{margin:1.1em 0}.reader-body .part-label{font:12px/1.6 var(--font-mono);color:var(--link);letter-spacing:.06em}.reader-body pre{white-space:pre-wrap;overflow-wrap:anywhere;font:13px/1.6 var(--font-mono);padding:18px;background:var(--bg-sunken);border:1px solid var(--border-subtle);border-radius:6px}.reader-body code{font-family:var(--font-mono);font-size:.82em;overflow-wrap:anywhere}.reader-body blockquote{border-left:2px solid var(--accent);padding-left:22px;margin-left:0;color:var(--text-strong)}.reader-body .table-wrap{overflow-x:auto;max-width:100%;font:14px/1.6 var(--font-sans)}.reader-body table{border-collapse:collapse;width:100%}.reader-body td,.reader-body th{border:1px solid var(--border-subtle);padding:10px;vertical-align:top}.reader-body .footnotes{font-size:15px;overflow-wrap:anywhere}.reader-body [lang=ta]{font-family:'Noto Serif Tamil',serif;line-height:2.1}.epigraph{padding:70px 0}.reader-tools{font:13px/1.6 var(--font-sans);margin-bottom:30px;display:flex;gap:14px;flex-wrap:wrap}.chapter-navigation{display:flex;gap:20px;justify-content:space-between;border-top:1px solid var(--border-subtle);padding-top:24px;margin-top:44px;font:14px/1.5 var(--font-sans)}.chapter-navigation a{max-width:46%}.toc-list{list-style:none;padding:0;margin:0}.toc-list a{display:block;padding:13px 0;border-bottom:1px solid var(--border-subtle);color:var(--text-strong);text-decoration:none}.toc-list a:hover{color:var(--link)}.toc-part{font:12px/1.6 var(--font-mono);color:var(--link);text-transform:uppercase;letter-spacing:.04em;margin-top:32px}.search-input{display:block;width:100%;background:var(--bg-raised);border:1px solid var(--border-strong);border-radius:6px;padding:14px;color:var(--text-strong);font:18px var(--font-sans);margin:12px 0 20px}.search-results{list-style:none;padding:0}.search-results li{border-bottom:1px solid var(--border-subtle);padding:20px 0}.search-results p{line-height:1.65;color:var(--text-muted);margin:10px 0}.storage-notice{font:12px/1.5 var(--font-mono);color:var(--warning-text);margin:14px 0}
@media(max-width:900px){.hero__inner{grid-template-columns:1fr;gap:32px}.hero{padding:42px 0 32px}.hero h1{font-size:42px}.two-column{grid-template-columns:1fr}.side{position:static}.book-bar .container{gap:4px;padding-top:14px}.book-nav{margin-left:0;width:100%}.book-nav a{padding:12px 8px}.reader-layout{grid-template-columns:1fr}.reader-nav{position:static;max-height:none}.reader-nav details{border:1px solid var(--border-subtle);padding:14px}.reader-body{width:100%}}
@media(max-width:820px){.walk-grid{grid-template-columns:1fr;gap:20px}.step-list{display:grid;grid-template-columns:repeat(3,1fr)}.step-link{font-size:11px;padding:8px 4px;gap:6px}.step-num{width:22px;height:22px}.step-list li{min-width:0}}
@media(max-width:760px){.floor-pred{display:none}.floor-table th,.floor-table td{padding:13px 14px}.floor-table td:last-child{font-size:11px}.page-heading h1{font-size:30px}.container{padding-left:20px;padding-right:20px}.reader-body{font-size:17px}.reader-body article h1{font-size:30px}.question-row{font-size:15px;gap:8px}.two-column{gap:24px}}
@media(max-width:390px){.book-brand{font-size:11px}.book-nav a{font-size:11px;padding:10px 7px}.hero h1{font-size:36px}.step-list{grid-template-columns:repeat(2,1fr)}.floor-table th,.floor-table td{padding:12px 8px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
.rule-code{white-space:pre-wrap;overflow-wrap:anywhere;font:13px/1.7 var(--font-mono);padding:16px;background:var(--bg-sunken);border:1px solid var(--border-subtle);border-radius:6px}
.term,[data-theme="light"] .term{background:var(--bg-sunken)}.term__body,.query code{color:var(--text-body)}
[data-theme="light"]{--text-faint:#62616c;--link-hover:var(--ember-700)}
[data-theme="light"] .q-btn--secondary:hover{color:var(--link)}
.book-nav a:hover{color:var(--link-hover)}
/* Live companion. Shares QUINE tokens and the standalone reader shell. */
.game{--game-gap:20px}.game button,.game summary,.game a,.theme-control{min-height:44px}.game a{display:inline-flex;align-items:center}.game small{font-size:11px;color:var(--text-muted)}.game p{line-height:1.6}.game h2,.game h3{color:var(--text-strong)}.mono{font-family:var(--font-mono)}
.tally-bar{border-bottom:1px solid var(--border-subtle);background:var(--bg-base)}.tally-inner{display:flex;align-items:center;gap:14px;flex-wrap:wrap;min-height:60px;font:12px var(--font-mono)}.save-person{color:var(--text-muted)}.tallies{margin-left:auto;display:flex;gap:14px}.tallies b{color:var(--text-strong)}.held,.completion{color:var(--good)}.limited{color:var(--warning-text)}.fault{color:#f198a2}[data-theme=light] .fault{color:#a32742}
.game-hero{padding:42px 0 24px}.game-hero .container{position:relative}.game-hero h1{max-width:860px;font-size:52px}.game-hero .hero__tagline{font:17px/1.65 var(--font-sans);max-width:740px;border:0;padding:0;color:var(--text-muted)}.game-hero .hero__eyebrow{display:flex;gap:18px;align-items:center;flex-wrap:wrap}.engine-status{color:var(--text-strong)}.game-meta{display:flex;align-items:center;gap:10px 22px;flex-wrap:wrap;font:12px var(--font-mono);color:var(--text-muted)}.game-body{padding-bottom:64px}
.people{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:8px;margin:12px 0 24px}.person{display:flex;align-items:center;gap:10px;background:var(--bg-raised);border:1px solid var(--border-subtle);border-radius:8px;padding:12px;text-align:left;color:var(--text-body);min-height:85px}.person>span:last-child{min-width:0}.person strong,.person small{display:block;line-height:1.45}.person strong{font:500 13px var(--font-mono);color:var(--text-strong)}.person small{margin-top:3px}.avatar{width:28px;height:28px;flex:none;border:1px solid var(--border-strong);border-radius:50%;display:grid;place-items:center;font:13px var(--font-mono)}.game .selected{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 8%,var(--bg-raised))}.person:hover,.joint:hover{border-color:var(--accent)}
.game-layout{display:grid;grid-template-columns:minmax(0,1fr) 296px;gap:var(--game-gap);align-items:start}.game-main,.game-sidebar{display:grid;gap:var(--game-gap);min-width:0}.track-card{padding:20px;min-width:0}.track-card h2{font-size:12px;margin:0 0 14px}.lens-legend{display:flex;flex-wrap:wrap;gap:12px;font:11px var(--font-mono);color:var(--text-muted);margin-bottom:20px}.fork-track{display:flex;overflow-x:auto;gap:8px;padding:5px 4px 12px;scrollbar-width:thin}.fork{display:flex;flex-direction:column;align-items:flex-start;gap:8px;width:178px;flex:none;text-align:left;border:1px solid transparent;background:transparent;padding:8px;color:var(--text-body);border-radius:6px}.fork strong{font:600 15px/1.4 var(--font-display)}.fork-glyph{display:grid;place-items:center;width:38px;height:38px;border-radius:50%;border:1px solid var(--accent);font:20px var(--font-mono);color:var(--accent)}.fork small{font:11px var(--font-mono)}.fork .q-badge{margin-top:auto;color:var(--text-muted)}
.play-card{padding:0;overflow:hidden;min-width:0;border-left:2px solid var(--accent)}.play-header{padding:20px;border-bottom:1px solid var(--border-subtle)}.play-header h2{font:600 25px/1.2 var(--font-display);margin:12px 0}.play-header p{font:12px/1.5 var(--font-mono);color:var(--text-muted);margin-bottom:0}.play-header a{font:12px var(--font-mono)}.play-body{padding:20px;display:flex;flex-direction:column;align-items:stretch;gap:16px}.play-body>.q-btn{align-self:flex-start;white-space:normal;text-align:left;line-height:1.5;min-height:44px;height:auto;padding:10px 14px}.move-button{max-width:100%}.pending{font:14px var(--font-mono);color:var(--accent)}.played-step h3{font:500 15px/1.5 var(--font-sans);margin:0 0 12px}.step-number{font:12px var(--font-mono);color:var(--link)}.verdict-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(245px,1fr));gap:10px}.verdict{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px;padding:12px;border:1px solid var(--border-subtle);border-radius:6px;background:var(--bg-sunken);overflow-wrap:anywhere}.verdict strong{font:500 13px/1.45 var(--font-sans)}.verdict p{margin:7px 0;font-size:12px}.verdict-status{display:flex;flex-direction:column;align-items:flex-end;gap:8px;font:11px var(--font-mono)}.verdict summary{font-size:11px;color:var(--text-muted);cursor:pointer;display:flex;align-items:center}.verdict code{font:11px/1.6 var(--font-mono);overflow-wrap:anywhere}.neutral-result{color:var(--warning-text)}.record{border-block:1px solid var(--border-subtle);padding:6px 0;font-size:13px;min-width:0}.record summary{cursor:pointer;display:flex;align-items:center;gap:10px}.record summary:before{content:'+';font-family:var(--font-mono);color:var(--link)}.record[open] summary:before{content:'−'}.record pre{max-height:440px;overflow:auto;white-space:pre-wrap;overflow-wrap:anywhere;padding:14px;background:var(--bg-sunken);font:12px/1.6 var(--font-mono)}.record ul{padding-left:18px}.record a{overflow-wrap:anywhere;font-size:12px;max-width:100%}.authored-cost{padding:16px;border-left:2px solid var(--warning-text);background:var(--bg-sunken);font-size:13px}.authored-cost strong,.authored-label{font:11px/1.6 var(--font-mono);color:var(--warning-text)}.authored-cost p{margin-bottom:0}.completion{font:12px/1.6 var(--font-mono)}
.floor-panel,.joint-panel{padding:18px}.game-sidebar h2{font:600 17px var(--font-display);margin:0 0 12px}.game-sidebar p{font-size:12px;color:var(--text-muted)}.floor-indicators{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.floor-indicator{display:flex;flex-direction:column;gap:5px;border:1px solid var(--border-subtle);border-radius:6px;padding:10px;min-width:0}.floor-indicator strong{font:500 12px var(--font-sans);color:var(--text-strong)}.floor-indicator span{font:10px/1.5 var(--font-mono);color:var(--text-muted)}.joint{display:flex;gap:10px;width:100%;border:1px solid var(--border-subtle);border-radius:6px;background:var(--bg-sunken);color:var(--text-body);text-align:left;margin-top:8px;padding:11px}.joint>span:first-child{color:var(--link);font:17px var(--font-mono)}.joint strong{font:500 12px/1.5 var(--font-sans);display:block}.joint small{display:block;margin-top:4px;font:10px var(--font-mono)}
.dossier{margin:52px 0 28px;scroll-margin-top:24px}.dossier>h2{font:600 32px var(--font-display);margin-bottom:12px}.dossier>p{max-width:85ch;color:var(--text-muted)}.dossier-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:24px}.dossier-entry{padding:20px;min-width:0}.dossier-entry header{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.dossier-entry .q-badge{color:var(--text-muted)}.dossier-entry h3{font:600 19px/1.4 var(--font-display)}.dossier-entry p{font-size:14px}.dossier-entry a{font:12px var(--font-mono)}.game-sources{padding:24px;line-height:1.7}.game-sources h2{font:600 24px var(--font-display)}.game-sources summary{cursor:pointer;display:flex;align-items:center}.share-link{display:grid;gap:8px;padding:18px 0;font-size:13px}.share-link input{background:var(--bg-sunken);color:var(--text-body);border:1px solid var(--border-strong);padding:12px;width:100%;font:12px var(--font-mono)}.restore-message{color:var(--warning-text);font:12px/1.7 var(--font-mono);padding:16px 0}.restore-message button{margin:8px}
@media(max-width:980px){.game-layout{grid-template-columns:minmax(0,1fr)}.people{display:flex;overflow-x:auto;padding:5px 3px 10px;scrollbar-width:thin}.person{width:180px;flex:none}.game-sidebar{grid-template-columns:minmax(0,1fr)}.floor-indicators{grid-template-columns:repeat(4,minmax(0,1fr))}.joint-panel{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.joint-panel>h2,.joint-panel>p{grid-column:1/-1}.joint{margin:0}.dossier-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.game-hero h1{font-size:44px}.save-person{display:none}}
@media(max-width:550px){.tally-inner{gap:4px 12px;padding-top:8px;padding-bottom:8px}.tally-inner>.eyebrow{width:100%}.tallies{margin-left:0}.game-hero h1{font-size:36px}.game-hero{padding-top:30px}.dossier-grid{grid-template-columns:minmax(0,1fr)}.play-header,.play-body,.track-card{padding:16px}.floor-indicators{grid-template-columns:repeat(2,minmax(0,1fr))}.joint-panel{grid-template-columns:minmax(0,1fr)}.verdict-grid{grid-template-columns:minmax(0,1fr)}.game-meta{gap:6px 18px}.game-sources{padding:18px}.game button{overflow-wrap:anywhere}}
.fork-glyph{color:var(--link)}
.book-bar a,.book-bar button{display:inline-flex;align-items:center;justify-content:center;min-width:44px;min-height:44px}
.game input{min-height:44px}
@media(min-width:981px){.joint-panel{max-height:730px;overflow-y:auto;scrollbar-width:thin}}