/* The Rest Is Science index.
   A dark lab bench: two curious people, one object between them.
   Fonts are hosted here (Latin subsets, OFL). The page ships no inline styles. */

@font-face { font-family: 'Fraunces'; src: url('fonts/Fraunces.woff2') format('woff2'); font-weight: 300 800; font-style: normal; font-display: swap; }
@font-face { font-family: 'Fraunces'; src: url('fonts/Fraunces-Italic.woff2') format('woff2'); font-weight: 300 800; font-style: italic; font-display: swap; }
@font-face { font-family: 'Instrument Sans'; src: url('fonts/InstrumentSans.woff2') format('woff2'); font-weight: 400 700; font-stretch: 75% 100%; font-style: normal; font-display: swap; }
@font-face { font-family: 'Martian Mono'; src: url('fonts/MartianMono.woff2') format('woff2'); font-weight: 100 800; font-stretch: 75% 112.5%; font-style: normal; font-display: swap; }

:root {
  color-scheme: dark;
  --bg: #0c201d;
  --panel: #122e29;
  --plate: #173b36;
  --line: #2f5b53;
  --muted: #9bbbaf;
  --text: #e8efe6;
  --soft: #d3e2d8;
  --lime: #cce5ac;
  --peach: #ff996d;
  --paper: #f4f1e8;
  --ink: #18282a;
  --teal: #235f5d;
  --display: 'Fraunces', Georgia, serif;
  --body: 'Instrument Sans', system-ui, sans-serif;
  --mono: 'Martian Mono', ui-monospace, monospace;
  background: var(--bg);
  color: var(--text);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font: 400 1.0625rem/1.6 var(--body);
  background-color: var(--bg);
  background-image:
    radial-gradient(60rem 30rem at 82% -8%, rgba(255, 153, 109, .10), transparent 60%),
    radial-gradient(60rem 34rem at 0% 20%, rgba(204, 229, 172, .07), transparent 60%),
    linear-gradient(rgba(155, 187, 175, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(155, 187, 175, .045) 1px, transparent 1px);
  background-size: auto, auto, 32px 32px, 32px 32px;
}
[hidden] { display: none !important; }
h1, h2, h3, p, figure, ol, ul, dl, dd { margin: 0; }
a { color: var(--lime); text-underline-offset: .2em; }
a:hover { text-decoration-thickness: 2px; }
button, input { font: inherit; color: inherit; }
button, summary { cursor: pointer; }
:focus-visible { outline: 3px solid var(--peach); outline-offset: 3px; }
#search-results:focus-visible { outline: 0; }
svg { display: block; max-width: 100%; }
mark { background: var(--lime); color: var(--ink); padding: .03em .15em; border-radius: 3px; box-decoration-break: clone; -webkit-box-decoration-break: clone; }

.skip-link { position: absolute; z-index: 60; top: .5rem; left: 1rem; padding: .65rem 1rem; background: #fff; color: #000; transform: translateY(-200%); }
.skip-link:focus { transform: none; }
.preview-label { text-align: center; padding: .5rem; background: var(--lime); color: var(--ink); }
.eyebrow, .lab { font: 500 .68rem/1.4 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }

/* ---------- header, footer, page frame ---------- */
.site-header, main, .site-footer { width: min(76rem, calc(100% - 3rem)); margin-inline: auto; }
.site-header { display: flex; justify-content: space-between; align-items: center; gap: .75rem 1rem; flex-wrap: wrap; padding-block: 1rem; border-bottom: 1px solid var(--line); }
.wordmark { display: flex; gap: .75rem; align-items: center; color: #fff; text-decoration: none; }
.wordmark img { border-radius: 10px; }
.wordmark span { font: 600 1.05rem/1.1 var(--display); font-variation-settings: 'SOFT' 100, 'WONK' 1; }
.wordmark small { display: block; margin-top: .3rem; font: 500 .6rem var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.site-header nav { display: flex; gap: .3rem; flex-wrap: wrap; }
.site-header nav a { padding: .5rem .95rem; border-radius: 99px; color: #d6e4db; text-decoration: none; font-weight: 600; font-size: .95rem; }
.site-header nav a:hover { background: rgba(204, 229, 172, .12); }
.site-header nav a[aria-current] { background: var(--lime); color: var(--ink); }
main { min-height: 65vh; padding-block: clamp(1.5rem, 4vw, 3rem) 3rem; }
.site-footer { display: flex; justify-content: space-between; gap: .75rem 1rem; flex-wrap: wrap; border-top: 1px solid var(--line); padding-block: 1.4rem 2.5rem; color: var(--muted); font-size: .92rem; }
.site-footer p { max-width: 52ch; }
.site-footer nav { display: flex; gap: 1.2rem; flex-wrap: wrap; }
.site-footer a { color: var(--lime); }

/* ---------- home: hero ---------- */
.search-hero { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(1.5rem, 4.5vw, 4.5rem); align-items: center; padding-block: clamp(.5rem, 3vw, 2.5rem) clamp(1rem, 2vw, 1.5rem); }
.hero-copy, .bench-col { min-width: 0; }
.voices { display: flex; align-items: center; gap: .7rem; }
.voices span { position: relative; width: 2.2rem; height: 1.1rem; flex: none; }
.voices i { position: absolute; top: 0; width: 1.1rem; height: 1.1rem; border-radius: 50%; mix-blend-mode: screen; }
.voices i:first-child { left: 0; background: var(--lime); }
.voices i:last-child { left: .9rem; background: var(--peach); }
h1 { font: 500 clamp(2rem, 4.6vw, 3.6rem)/1.04 var(--display); font-variation-settings: 'opsz' 144, 'SOFT' 100, 'WONK' 1; letter-spacing: -.03em; text-wrap: balance; overflow-wrap: anywhere; }
h1 em { font-style: italic; color: var(--peach); font-weight: 400; }
h2 { font: 500 clamp(1.5rem, 3vw, 2.3rem)/1.1 var(--display); font-variation-settings: 'SOFT' 100, 'WONK' 1; letter-spacing: -.025em; text-wrap: balance; }
h3 { font: 500 1.25rem/1.2 var(--display); font-variation-settings: 'SOFT' 100, 'WONK' 1; }
.hero-copy h1 { font-size: clamp(2.9rem, 6.4vw, 5.6rem); line-height: .98; margin: 1.1rem 0 1.3rem; }
.lede, .page-lede { font-size: clamp(1.1rem, 1.9vw, 1.3rem); max-width: 34ch; color: var(--soft); }
.search-form { margin-top: 1.8rem; max-width: 44rem; }
.search-instruction { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
.query-line { display: flex; gap: .6rem; flex-wrap: wrap; }
.query-input { flex: 1 1 16rem; min-width: 0; }
.query-input input {
  width: 100%; min-height: 3.6rem; padding: .8rem 1rem; font-size: 1.15rem; color: var(--text);
  background: #071715; border: 1px solid var(--line); border-radius: .9rem; box-shadow: inset 0 2px 10px rgba(0, 0, 0, .5);
}
.query-input input::placeholder { color: #74988d; }
.query-input input:focus { outline: 0; border-color: var(--lime); box-shadow: inset 0 2px 10px rgba(0, 0, 0, .5), 0 0 0 3px rgba(204, 229, 172, .25); }
.query-line button {
  background: var(--peach); color: #2a120a; border: 0; border-radius: .9rem; padding: .8rem 1.3rem; font-weight: 700; font-size: 1rem;
  box-shadow: 0 4px 0 #b4583a; transition: transform .1s, box-shadow .1s, filter .15s;
}
.query-line button:hover { filter: brightness(1.07); }
.query-line button:active { transform: translateY(3px); box-shadow: 0 1px 0 #b4583a; }
.verification-slot { margin-top: .8rem; }
.verification-slot iframe { max-width: 100%; }
.topic-prompts { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1rem; align-items: center; }
.topic-prompts::before { content: "Try asking"; font: 500 .66rem var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); margin-right: .3rem; }
.topic-prompts button { background: transparent; border: 1px solid var(--line); color: #d6e4db; border-radius: 99px; padding: .35rem .9rem; font-size: .95rem; transition: transform .15s, border-color .15s, color .15s; }
.topic-prompts button:nth-child(odd):hover { transform: rotate(-2deg); }
.topic-prompts button:nth-child(even):hover { transform: rotate(2deg); }
.topic-prompts button:hover { border-color: var(--lime); color: var(--lime); }
.trust-line { margin-top: 1.6rem; display: flex; gap: .7rem; max-width: 42ch; font-size: .9rem; color: var(--muted); }
.trust-line::before { content: ""; flex: none; width: .5rem; height: .5rem; margin-top: .5rem; border-radius: 50%; background: var(--lime); box-shadow: 0 0 10px var(--lime); }
.trust-line strong { color: var(--soft); }
.index-status { border: 1px dashed var(--line); border-radius: .8rem; padding: 1rem 1.2rem; margin-top: 1.8rem; max-width: 40ch; }
.index-status strong { display: flex; align-items: center; gap: .6rem; font: 600 1.1rem var(--display); color: var(--lime); margin-bottom: .3rem; }
.index-status strong::before { content: ""; width: .6rem; height: .6rem; border-radius: 50%; background: var(--peach); animation: blink 1.6s steps(2) infinite; }
@keyframes blink { 50% { opacity: .15; } }

/* ---------- home: the bench (random detour) ---------- */
.bench { background: linear-gradient(165deg, #1d4c45, #122f2a 70%); border: 1px solid var(--line); border-radius: 1.2rem; padding: 1.1rem 1.2rem 1rem; box-shadow: 0 24px 60px rgba(0, 0, 0, .5), inset 0 1px 0 rgba(255, 255, 255, .08); position: relative; --dm-ink: #e8efe6; --dm-a: #cce5ac; --dm-b: #ff996d; --dm-line: #3d6a61; }
.bench::before { content: ""; position: absolute; left: 1.2rem; right: 1.2rem; top: -1px; height: 3px; background: linear-gradient(90deg, var(--lime) 0 50%, var(--peach) 50%); border-radius: 0 0 3px 3px; }
.bench-fig { font: 500 .66rem var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--lime); }
.bench-fig span { color: var(--muted); }
.bench-title { font: 500 1.55rem/1.1 var(--display); font-variation-settings: 'SOFT' 100, 'WONK' 1; letter-spacing: -.02em; margin: .35rem 0 .8rem; }
.bench-stage { position: relative; touch-action: pan-y; background: #06130f; border: 1px solid #000; border-radius: .7rem; padding: 1rem; box-shadow: inset 0 0 40px rgba(0, 0, 0, .8), 0 0 0 3px #0f2723; min-height: 11rem; }
.bench-stage svg { display: block; width: 100%; height: auto; overflow: visible; }
.bench-note { margin-top: .8rem; font-size: .95rem; color: #cfe0d6; min-height: 3em; }
.bench-foot { display: flex; justify-content: space-between; gap: .8rem 1rem; flex-wrap: wrap; align-items: flex-end; margin-top: .7rem; padding-top: .8rem; border-top: 1px solid var(--line); }
.bench-rel { display: block; font-size: .88rem; color: var(--lime); text-decoration: none; max-width: 22ch; }
.bench-rel small { display: block; font: 500 .6rem var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin-bottom: .15rem; }
.bench-rel:hover { text-decoration: underline; }
.bench-switch { display: flex; gap: .8rem; align-items: center; }
.bench-next { background: transparent; border: 1px solid var(--line); border-radius: 99px; padding: .4rem .8rem; font-size: .85rem; font-weight: 600; color: #d6e4db; }
.bench-next:hover { border-color: var(--peach); color: var(--peach); }
.bench-next:hover span { display: inline-block; animation: spin .6s; }
@keyframes spin { to { transform: rotate(360deg); } }
.bench-dots { display: flex; gap: .1rem; }
.bench-dots button { width: 1.6rem; height: 1.6rem; border: 0; background: transparent; position: relative; padding: 0; }
.bench-dots button::after { content: ""; position: absolute; inset: .55rem; border-radius: 50%; background: var(--line); transition: background .2s, transform .2s; }
.bench-dots button[aria-current]::after { background: var(--peach); transform: scale(1.3); }
.bench-dots button:hover::after { background: var(--lime); }
/* no-script fallback: the Mueller-Lyer reveal */
.bench-static summary { color: var(--lime); font-weight: 650; padding-block: .4rem; }
.bench-static svg { color: var(--lime); margin-block: .5rem; }
.bench-static details p { max-width: 42ch; color: #cfe0d6; }
.bench-static:has(details[open]) .arrowheads { visibility: hidden; }

/* demo controls and parts */
.dm-line { stroke: var(--dm-line); fill: none; }
.dm-a { fill: var(--dm-a); } .dm-b { fill: var(--dm-b); }
.dm-sa { stroke: var(--dm-a); fill: none; } .dm-sb { stroke: var(--dm-b); fill: none; }
.dm-ink { stroke: var(--dm-ink); fill: none; }
.dm-plate { fill: var(--plate); }
.dm-text { fill: var(--dm-b); font: 500 12px var(--mono); }
.dm-ctl { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; margin-top: .8rem; }
.dm-ctl.full { width: 100%; margin: 0; }
.dm-btn { font: inherit; font-weight: 650; font-size: .88rem; border: 1.5px solid var(--dm-ink); background: transparent; color: var(--dm-ink); border-radius: 99px; padding: .5rem .95rem; cursor: pointer; transition: transform .12s, background .15s, color .15s; }
.dm-btn:hover { background: var(--dm-a); color: #18282a; border-color: var(--dm-a); }
.dm-btn:active { transform: translateY(2px); }
.dm-btn[aria-pressed=true] { background: var(--dm-b); border-color: var(--dm-b); color: #2a120a; }
.dm-btn.win { background: var(--dm-a); border-color: var(--dm-a); color: #18282a; }
.dm-range { flex: 1 1 9rem; accent-color: var(--dm-b); min-height: 1.9rem; }
.dm-lab { font: 500 .72rem var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--dm-ink); opacity: .8; }
.dm-big { font: 600 2.4rem/1 var(--display); letter-spacing: -.03em; color: var(--dm-a); }
.dm-guide { opacity: 0; transition: opacity .5s; }
.dm-reveal .dm-guide { opacity: 1; }
.dm-reveal .dm-fin { opacity: .35; }
.dm-grab { cursor: grab; }
.dm-grab.is-down { cursor: grabbing; }
.dm-wheel-label { opacity: 0; transition: opacity .4s; }
.dm-wheel-label.on { opacity: 1; }
.dm-grids { display: flex; flex-wrap: wrap; gap: .9rem 1.1rem; align-items: flex-end; min-height: 7rem; align-content: flex-start; padding-top: .4rem; }
.dm-grid { display: block; height: auto; max-width: 100%; }
.dm-grid circle { fill: var(--dm-a); }
.dm-grid.one circle { fill: var(--dm-b); }
.dm-coins { display: grid; gap: .9rem; }
.dm-row { display: flex; gap: .7rem; align-items: center; }
.dm-row > b { font: 500 .72rem var(--mono); letter-spacing: .08em; text-transform: uppercase; min-width: 3.6rem; color: var(--dm-ink); opacity: .8; }
.dm-coinline { display: flex; gap: 3px; flex: 1; min-width: 0; }
.dm-coin { flex: 1 1 0; min-width: 0; aspect-ratio: 1; border-radius: 50%; display: grid; place-items: center; font: 700 clamp(.5rem, 1.4vw, .68rem)/1 var(--mono); color: #18282a; background: var(--dm-a); box-shadow: 0 2px 0 rgba(0, 0, 0, .28); transition: transform .25s, outline-color .25s; outline: 2px solid transparent; }
.dm-coin.t { background: var(--dm-b); }
.dm-coin.run { outline-color: var(--dm-ink); transform: translateY(-3px); }

/* ---------- home: ribbon, steps, shelf ---------- */
.ribbon { display: flex; align-items: center; gap: 1rem; border-block: 1px solid var(--line); padding-block: .9rem; margin-block: 1.5rem 0; }
.ribbon[hidden] { display: none; }
.ribbon-window { flex: 1; min-width: 0; overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent); mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent); }
.ribbon-track { list-style: none; padding: 0; display: flex; gap: 2.2rem; width: max-content; animation: slide 154s linear infinite; }
.ribbon-window:hover .ribbon-track, .ribbon-window:focus-within .ribbon-track, .ribbon[data-paused] .ribbon-track { animation-play-state: paused; }
.ribbon-toggle { flex: none; display: grid; place-items: center; width: 1.9rem; height: 1.9rem; padding: 0; border: 1px solid var(--line); border-radius: 50%; background: none; color: var(--muted); cursor: pointer; }
.ribbon-toggle:hover { color: var(--lime); border-color: var(--lime); }
.ribbon-toggle svg { display: block; }
.ribbon-track li { white-space: nowrap; font: 500 1.15rem var(--display); font-variation-settings: 'SOFT' 100; color: #b9cfc4; }
.ribbon-track li::after { content: "✦"; margin-left: 2.2rem; color: var(--peach); font-size: .7em; vertical-align: .15em; }
.ribbon-track a { color: inherit; text-decoration: none; }
.ribbon-track a:hover { color: var(--lime); }
@keyframes slide { to { transform: translateX(-50%); } }
.home-lower { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(1.5rem, 5vw, 5rem); padding-block: clamp(2.5rem, 5vw, 4.5rem) 1rem; }
.home-lower h2 { margin: .6rem 0 1.2rem; }
.method { list-style: none; padding: 0; margin-bottom: 1.2rem; }
.method li { display: grid; grid-template-columns: 6rem 1fr; padding: .8rem 0; border-top: 1px solid var(--line); align-items: baseline; }
.method b { font: 600 .7rem var(--mono); letter-spacing: .1em; color: var(--peach); }
.shelf { background: var(--panel); border: 1px solid var(--line); border-radius: 1rem; padding: 1.4rem 1.5rem; align-self: start; }
.shelf dl { display: flex; gap: 2rem; margin: 1rem 0 1.2rem; }
.shelf dt { font: 500 .62rem var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.shelf dd { font: 500 2.6rem/1 var(--display); font-variation-settings: 'SOFT' 100; color: var(--lime); }
.shelf p { color: #cfe0d6; font-size: .95rem; }
.text-action, .back-link { display: inline-block; font-weight: 650; }
.back-link { font: 600 .74rem var(--mono); letter-spacing: .08em; text-transform: uppercase; margin-bottom: 1rem; }

/* ---------- results mode ----------
   site.js adds .has-results to <body> when a search starts (and when Back restores one).
   The home page then turns into a results page: no bench, no strip, no steps. */
.has-results .bench-col, .has-results .ribbon, .has-results .home-lower,
.has-results .hero-copy .lede, .has-results .topic-prompts, .has-results .trust-line, .has-results .index-status { display: none; }
.has-results .search-hero { grid-template-columns: minmax(0, 1fr); padding-block: .5rem 0; }
.has-results .hero-copy h1 { font-size: clamp(2rem, 4.6vw, 3.6rem); line-height: 1.04; margin: .7rem 0 0; }
.has-results .search-form { margin-top: 1.4rem; }

/* ---------- search progress and status ---------- */
.error-page { max-width: 58rem; }
.home-search-output { margin-top: 1rem; }
.search-progress { border: 1px solid var(--line); border-radius: .9rem; padding: 1.3rem 1.4rem; margin-top: 1.4rem; background: var(--panel); }
.progress-title { font: 500 1.5rem var(--display); font-variation-settings: 'SOFT' 100, 'WONK' 1; margin-top: .3rem; }
.progress-steps { display: flex; flex-wrap: wrap; gap: .4rem 1.6rem; padding: 0; margin: .8rem 0; list-style: none; counter-reset: p; }
.progress-steps li { counter-increment: p; color: var(--muted); font: 500 .7rem var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.progress-steps li::before { content: counter(p) " · "; }
.progress-steps [aria-current="step"] { color: #fff; position: relative; }
.progress-steps [aria-current="step"]::after { content: ''; position: absolute; inset: auto 0 -.2rem; height: 2px; background: var(--peach); }
.search-progress [data-progress-detail] { color: var(--muted); font-size: .95rem; }
@media (prefers-reduced-motion: no-preference) {
  .progress-steps [aria-current="step"]::after { animation: stage-glow 450ms ease-out; }
  @keyframes stage-glow { from { opacity: .25; } to { opacity: 1; } }
}
.search-status:not(:empty), .result-intro { margin-block: 1.25rem; }
.is-loading #search-results { display: none; }
.is-loading .search-status, .search-status:has(+ #search-results .empty-state h2) {
  position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%);
}
.empty-state { border: 1px dashed var(--line); border-radius: .9rem; padding: 2rem; max-width: 42rem; margin-top: 1.5rem; }
.empty-state h2 { font-size: 1.7rem; margin-bottom: .75rem; }
.empty-state .text-action { margin-top: .65rem; }

/* ---------- results ---------- */
.results-heading h1 { margin-block: .7rem 1.4rem; }
.result-intro { color: var(--muted); font-size: .95rem; }
.result-intro p + p { margin-top: .3rem; }
.result-intro strong { color: var(--soft); }
.result-list { list-style: none; padding: 0; margin: 1.25rem 0 0; display: grid; gap: 1.2rem; }
.result-entry { display: grid; grid-template-columns: 5rem minmax(0, 1fr); gap: .8rem 1.4rem; padding: 1.5rem 1.4rem; background: var(--panel); border: 1px solid var(--line); border-radius: 1rem; }
.result-rail { font: 500 .7rem/1.4 var(--mono); color: var(--muted); }
.result-rail b, .result-rail span { display: block; }
.result-rail b { font: 600 1.45rem/1 var(--mono); letter-spacing: -.07em; color: var(--peach); margin-bottom: .45rem; }
.result-rail i { display: none; }
.source-line, .result-actions, .reader-context-actions { display: flex; flex-wrap: wrap; align-items: baseline; gap: .5rem 1rem; }
.source-line { color: var(--muted); font-size: .95rem; }
.source-line > span:first-of-type { display: none; }
.source-line a { font: 500 1.15rem/1.25 var(--display); font-variation-settings: 'SOFT' 100, 'WONK' 1; color: #fff; text-decoration: none; overflow-wrap: anywhere; }
.source-line a:hover { color: var(--lime); text-decoration: underline; }
blockquote { margin: .6rem 0 1.1rem; font: 400 clamp(1.2rem, 2.3vw, 1.5rem)/1.5 var(--display); font-variation-settings: 'opsz' 24, 'SOFT' 50; color: #fff; }
.result-actions { margin-top: 1rem; }
.listen-action, .results-more {
  display: inline-flex; gap: .5rem; align-items: center; background: var(--peach); color: #2a120a; border: 0; border-radius: .7rem;
  padding: .65rem 1rem; font-weight: 700; font-size: .95rem; text-decoration: none; box-shadow: 0 3px 0 #b4583a;
}
.listen-action:hover, .results-more:hover { filter: brightness(1.07); text-decoration: none; }
.listen-action:active, .results-more:active { transform: translateY(2px); box-shadow: 0 1px 0 #b4583a; }
.copy-action { background: none; border: 0; padding: .3rem 0; color: var(--lime); text-decoration: underline; text-underline-offset: .2em; }
.copy-status, .results-count { color: var(--muted); font-size: .9rem; }
.player-shell { margin-top: .9rem; }
.results-controls { margin-top: 1.4rem; display: flex; flex-wrap: wrap; align-items: center; gap: .8rem 1.2rem; }
.player-trigger { width: 100%; border: 1px solid var(--line); border-radius: .7rem; text-align: left; padding: .75rem 1rem; background: #0a1d1a; color: var(--soft); display: grid; gap: .1rem; }
.player-trigger:hover { border-color: var(--lime); }
.player-trigger small { color: var(--muted); }
.player-shell iframe { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; border: 0; border-radius: .7rem; }

/* ---------- reader ---------- */
.reader-head h1 { margin-block: .7rem 1rem; }
.reader-notice { color: var(--peach); margin-bottom: 1rem; }
.reader-context { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: .6rem 1rem; padding: .9rem 1.2rem; background: var(--plate); border: 1px solid var(--line); border-radius: 1rem; margin-block: 1.2rem; }
.reader-context-source span { display: block; font: 500 .64rem var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.reader-context-source strong { font-weight: 600; }
.reader-context-actions a { color: var(--lime); }
.reader-context-actions a:first-child { background: var(--peach); color: #2a120a; font-weight: 700; text-decoration: none; border-radius: .6rem; padding: .45rem .8rem; box-shadow: 0 3px 0 #b4583a; }
.source-description { margin-bottom: 1rem; color: var(--soft); }
.source-description p { white-space: pre-wrap; overflow-wrap: anywhere; margin-top: .65rem; color: var(--muted); }
.reader-rail { display: none; }
.transcript { background: var(--paper); color: var(--ink); border-radius: 1rem; padding: clamp(1.2rem, 3vw, 2.4rem); box-shadow: 0 20px 50px rgba(0, 0, 0, .35); max-width: 46rem; }
.transcript a { color: var(--teal); }
.transcript-paragraph { position: relative; padding-left: 4.8rem; margin-block: 1.1rem; font-size: 1.08rem; color: #3b4a45; }
.paragraph-time { position: absolute; left: 0; top: .1rem; font: 500 .74rem/2.1 var(--mono); color: #52625c; text-decoration: none; }
.paragraph-time:hover { color: var(--teal); text-decoration: underline; }
.transcript-paragraph:has(.is-highlighted) { background: linear-gradient(90deg, rgba(204, 229, 172, .65), rgba(204, 229, 172, .1)); border-left: 4px solid var(--teal); margin-left: -1rem; padding: .9rem .9rem .9rem 5.7rem; color: var(--ink); font: 400 1.3rem/1.45 var(--display); font-variation-settings: 'opsz' 36, 'SOFT' 50; }
.transcript-paragraph:has(.is-highlighted) .paragraph-time { left: .9rem; top: .9rem; }
.transcript mark { box-shadow: 0 0 0 2px var(--lime); }
.transcript-unit { scroll-margin-top: 1rem; }
.transcript-expand { display: block; font-weight: 650; padding-block: .3rem; }
.reader-followup { margin-top: 1.4rem; }

/* ---------- archive ---------- */
.library-head h1 { margin-block: .7rem 1rem; }
.library-head p:not(.eyebrow) { color: var(--muted); }
.library-tools { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; margin-block: 1.4rem 1rem; }
.library-filter input { background: #071715; border: 1px solid var(--line); border-radius: .8rem; padding: .7rem 1rem; min-width: min(22rem, 100%); color: var(--text); }
.library-filter input:focus { outline: 0; border-color: var(--lime); }
.library-count { font: 500 .7rem var(--mono); color: var(--muted); letter-spacing: .06em; }
.lecture-list { list-style: none; padding: 0; margin: 1.25rem 0 0; border-top: 1px solid var(--line); }
.library-tools + .lecture-list { margin-top: 0; }
.lecture-list li { display: grid; grid-template-columns: 2.6rem minmax(0, 1fr) 9.5rem; gap: .4rem 1.2rem; align-items: center; padding-block: .95rem; border-bottom: 1px solid var(--line); }
.lecture-list a { color: #fff; text-decoration: none; font: 500 1.12rem/1.3 var(--display); font-variation-settings: 'SOFT' 100; overflow-wrap: anywhere; }
.lecture-list .num { font: 500 .78rem var(--mono); color: var(--peach); letter-spacing: .06em; }
.lecture-list a:hover { color: var(--lime); text-decoration: underline; }
.len { display: flex; align-items: center; gap: .6rem; font: 500 .7rem var(--mono); color: var(--muted); }
.len i { display: block; width: 0; height: .5rem; border-radius: 3px; background: linear-gradient(90deg, var(--line), var(--lime)); flex: none; }

/* ---------- about, policy, creators ---------- */
.about-page h1, .policy-head h1 { margin-block: .7rem 1.4rem; }
.page-intro { margin-top: 1.5rem; max-width: 66ch; }
.page-intro .page-lede { max-width: 46ch; }
.page-intro p + p, .editorial-section p + p, .policy-content p + p { margin-top: .8rem; }
.hosts, .about-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; margin-top: 2rem; }
.host, .about-cols section { background: var(--panel); border: 1px solid var(--line); border-radius: 1rem; padding: 1.4rem; }
.host:first-child { border-top: 3px solid var(--lime); }
.host:last-child { border-top: 3px solid var(--peach); }
.host h2, .about-cols h2 { font-size: 1.5rem; margin-bottom: .5rem; }
.editorial-section, .creator-closing { border-top: 1px solid var(--line); margin-top: 2rem; padding-top: 1.2rem; }
.editorial-section h2, .error-page h1 { margin-bottom: .75rem; }
.creator-closing .text-action { margin-top: .65rem; }
.creator-benefits { list-style: none; padding: 0; display: grid; gap: 1rem; }
.creator-benefits li { background: var(--panel); border: 1px solid var(--line); border-radius: 1rem; padding: 1.2rem 1.4rem; }
.creator-benefits p { color: var(--soft); margin-top: .3rem; }
.policy-content { max-width: 74ch; margin-top: 2rem; }
.policy-content h2, .policy-content h3 { margin-block: 1.6rem .5rem; }
.policy-content li + li { margin-top: .3rem; }
.policy-head .lede { margin-top: .5rem; }

/* ---------- motion ---------- */
@media (prefers-reduced-motion: no-preference) {
  .rise { animation: rise .7s cubic-bezier(.2, .7, .2, 1) both; }
  .bench-col.rise { animation-delay: .12s; }
  @keyframes rise { from { opacity: 0; transform: translateY(16px); } }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .ribbon-track { animation: none; width: auto; }
  .ribbon-window { overflow-x: auto; }
  .ribbon-toggle { display: none; }
  .index-status strong::before { animation: none; }
}

/* ---------- small screens: search comes before the bench ---------- */
@media (max-width: 58rem) {
  .search-hero, .home-lower { grid-template-columns: minmax(0, 1fr); }
  .bench { max-width: 34rem; }
  .hosts, .about-cols { grid-template-columns: 1fr; }
  .lecture-list li { grid-template-columns: 2.4rem minmax(0, 1fr); }
  .lecture-list .len { grid-column: 2; }
}
@media (max-width: 46rem) {
  .result-entry { grid-template-columns: minmax(0, 1fr); }
  .result-rail b, .result-rail span { display: inline; margin-right: .6rem; }
}
@media (max-width: 30rem) {
  .site-header, main, .site-footer { width: calc(100% - 1.6rem); }
  .transcript-paragraph, .transcript-paragraph:has(.is-highlighted) { padding-left: 0; }
  .transcript-paragraph:has(.is-highlighted) { padding: .9rem; }
  .paragraph-time, .transcript-paragraph:has(.is-highlighted) .paragraph-time { position: static; display: block; line-height: 1.6; }
  .method li { grid-template-columns: 1fr; gap: .1rem; }
}