:root {
  --paper: #f6f1ea;
  --card: #fbfaf5;
  --line: #e2dcd2;
  --ink: #2a2a27;
  --mute: #6f6a63;
  --accent: #9b3d33;
  --on-accent: #fff;
  --gold: #c9a35a;
  --cover: #262826;
  --cover-ink: #f3eee4;
  --ok: #4f6b4a;
  --warn: #a3552a;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "DejaVu Serif", serif;
  --sans: Lato, "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #1c1d1b;
    --card: #252623;
    --line: #3a3b37;
    --ink: #ece6da;
    --mute: #a59f94;
    --accent: #d4705f;
    --on-accent: #1c1d1b;
    --cover: #141514;
    --ok: #8fb386;
    --warn: #e09a6a;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { scroll-padding-top: 72px; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 16px/1.55 var(--sans); -webkit-font-smoothing: antialiased; }
body.on-cover { background: var(--cover); }
img, svg { max-width: 100%; }
a { color: var(--accent); }
button, input, select { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
[hidden] { display: none !important; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -999px; top: 8px; z-index: 50; background: var(--ink); color: var(--paper); padding: 8px 12px; }
.skip:focus { left: 8px; }

/* Top bar */
.bar { position: sticky; top: 0; z-index: 30; display: flex; align-items: center; gap: 16px; padding: 10px max(16px, env(safe-area-inset-left)); background: var(--paper); border-bottom: 1px solid var(--line); }
.mark { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 13px; letter-spacing: .02em; color: var(--ink); text-decoration: none; white-space: nowrap; }
.rule { display: inline-block; width: 30px; height: 3px; background: var(--accent); vertical-align: middle; }
.idx { display: flex; gap: 2px; overflow-x: auto; scrollbar-width: none; flex: 1; min-width: 0; }
.idx::-webkit-scrollbar { display: none; }
.idx a { flex: none; font-size: 12.5px; color: var(--mute); text-decoration: none; padding: 5px 8px; border-radius: 4px; white-space: nowrap; }
.idx a b { color: var(--ink); margin-right: 5px; }
.idx a:hover { color: var(--ink); }
.idx a[aria-current] { background: var(--ink); color: var(--paper); }
.idx a[aria-current] b { color: var(--paper); }
.count { font-size: 12.5px; color: var(--mute); white-space: nowrap; font-variant-numeric: tabular-nums; }
.progress { position: sticky; top: 49px; z-index: 29; height: 3px; background: transparent; }
.progress i { display: block; height: 100%; width: 0; background: var(--accent); transition: width .35s ease; }
body.on-cover .bar { background: var(--cover); border-color: rgba(255, 255, 255, .1); }
body.on-cover .mark, body.on-cover .idx a b { color: var(--cover-ink); }
body.on-cover .idx a { color: #b3ada2; }
body.on-cover .rule, body.on-cover .progress i { background: var(--gold); }
body.on-cover .idx a[aria-current] { background: var(--cover-ink); color: var(--cover); }
body.on-cover .idx a[aria-current] b { color: var(--cover); }

/* Pages */
main { max-width: 1080px; margin: 0 auto; padding: 0 max(16px, env(safe-area-inset-left)) 110px; }
.page { padding: 28px 0 8px; animation: enter .35s ease; }
@keyframes enter { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.kick { display: flex; justify-content: space-between; gap: 12px; font-size: 12.5px; font-weight: 800; letter-spacing: .03em; }
.kick span:last-child { color: var(--mute); font-weight: 600; text-align: right; }
.kick .rule { width: 36px; margin-right: 10px; }
h1 { font-family: var(--serif); font-weight: 700; font-size: clamp(32px, 5.2vw, 48px); line-height: 1.08; margin: 18px 0 10px; letter-spacing: -.01em; }
h2 { font-family: var(--serif); font-weight: 700; }
h3 { margin: 0 0 6px; }
.sub { color: var(--mute); margin: 0 0 22px; font-size: 16.5px; }
.body { max-width: 72ch; }
.big { font-size: 18.5px; line-height: 1.55; }
.eyebrow { font: 800 12.5px var(--sans); letter-spacing: .07em; text-transform: uppercase; color: var(--accent); margin: 40px 0 10px; }
.small { font-size: 13.5px; color: var(--mute); }
.fine { font-size: 12.5px; color: var(--mute); }
.links { margin: 24px 0; }
.links a { display: block; width: fit-content; color: var(--accent); font-weight: 800; font-size: 14px; text-decoration: none; margin: 8px 0; }
.links a:hover { text-decoration: underline; }
.callout { border-left: 3px solid var(--accent); background: var(--card); padding: 12px 16px; max-width: 76ch; }
.pf { display: flex; justify-content: space-between; gap: 12px; margin-top: 56px; padding-top: 10px; border-top: 1px solid var(--line); font-size: 12px; color: var(--mute); letter-spacing: .03em; }
cite { font-style: italic; }

/* Buttons and controls */
.btn { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--line); background: var(--card); color: var(--ink); padding: 8px 14px; border-radius: 6px; font: 700 14px var(--sans); cursor: pointer; text-decoration: none; }
.btn:hover { border-color: var(--ink); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.btn.gold { background: var(--gold); border-color: var(--gold); color: #1d1d1b; }
.btn.ghost { background: transparent; border-color: rgba(255, 255, 255, .32); color: var(--cover-ink); }
.btn.small { padding: 5px 10px; font-size: 13px; }
.btn:disabled { opacity: .45; cursor: default; }
.link { background: none; border: 0; padding: 0; color: var(--accent); font-weight: 800; font-size: 13.5px; cursor: pointer; text-decoration: underline; text-underline-offset: 3px; }
.panel { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 22px; margin: 30px 0; }
.panel-head { margin-bottom: 18px; }
.panel-head h2 { font-size: 25px; margin: 0 0 4px; }
.panel-head p { color: var(--mute); margin: 0; max-width: 72ch; }
.ctl { display: grid; gap: 6px; margin-bottom: 14px; }
.ctl > label, .lbl { font: 800 11.5px var(--sans); letter-spacing: .06em; text-transform: uppercase; color: var(--mute); }
.ctl output { color: var(--ink); margin-left: 4px; }
select, input[type="search"] { padding: 7px 10px; border: 1px solid var(--line); border-radius: 6px; background: var(--paper); color: var(--ink); max-width: 100%; }
input[type="range"] { width: 100%; accent-color: var(--accent); }
input[type="checkbox"] { accent-color: var(--accent); width: 16px; height: 16px; }
.checks { border: 0; padding: 0; margin: 0 0 14px; }
.checks label { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--ink); margin: 4px 0; text-transform: none; letter-spacing: 0; font-weight: 400; }
.checks legend { margin-bottom: 4px; padding: 0; }
.seg { display: inline-flex; flex-wrap: wrap; width: fit-content; border: 1px solid var(--line); border-radius: 6px; overflow: hidden; background: var(--paper); }
.seg button { border: 0; border-right: 1px solid var(--line); background: transparent; padding: 6px 12px; font: 700 13px var(--sans); cursor: pointer; color: var(--ink); }
.seg button:last-child { border-right: 0; }
.seg button[aria-checked="true"] { background: var(--ink); color: var(--paper); }
.seg.small button { padding: 5px 9px; font-size: 12.5px; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; margin: 6px 0 12px; }
.note { font-size: 14px; color: var(--mute); margin: 10px 0; }
.caution { font-size: 13.5px; border-left: 3px solid var(--gold); padding: 6px 10px; margin: 12px 0; }

/* Cover */
.cover { color: var(--cover-ink); }
.cover .kick span:last-child { color: #b3ada2; }
.cover .rule { background: var(--gold); }
.cover h1 { font-size: clamp(40px, 7vw, 68px); margin-top: 34px; }
.tags { color: var(--gold); font-weight: 800; font-size: 15px; letter-spacing: .02em; margin: 0 0 28px; }
.tags i { font-style: normal; margin: 0 6px; opacity: .8; }
.hero { margin: 0; }
.hero img { display: block; width: 100%; height: auto; border-radius: 8px; }
.lead { font-weight: 800; font-size: 19px; margin: 22px 0 6px; }
.cover .small { color: #b3ada2; }
.cover-actions { display: flex; flex-wrap: wrap; gap: 10px; margin: 22px 0 8px; }
.toc-title { font-size: 22px; margin: 40px 0 12px; }
.toc { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 10px; }
.toc a { display: grid; gap: 2px; height: 100%; padding: 14px 16px; border: 1px solid rgba(255, 255, 255, .14); border-radius: 8px; color: var(--cover-ink); text-decoration: none; }
.toc a:hover { border-color: var(--gold); }
.toc b { color: var(--gold); font-size: 13px; }
.toc span { font-family: var(--serif); font-weight: 700; font-size: 18px; }
.toc small { color: #b3ada2; font-size: 13px; }
.keys { color: #b3ada2; font-size: 13px; margin-top: 20px; }
.cover .pf { border-color: rgba(255, 255, 255, .14); color: #b3ada2; }

/* 01 · The supplied image */
.inspect { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr); gap: 26px; align-items: start; }
.photo { position: relative; border-radius: 8px; overflow: hidden; background: #000; }
.photo img { display: block; width: 100%; height: auto; }
.photo canvas { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.photo.lensing { cursor: none; touch-action: none; }
.pin { position: absolute; transform: translate(-50%, -50%); width: 36px; height: 36px; border-radius: 50%; border: 2px solid #fff; background: var(--accent); color: #fff; font: 800 15px var(--sans); cursor: pointer; box-shadow: 0 2px 10px rgba(0, 0, 0, .45); transition: transform .15s; }
.pin.on, .pin:hover { transform: translate(-50%, -50%) scale(1.15); background: var(--gold); color: #1d1d1b; }
.lens { position: absolute; width: 160px; height: 160px; border-radius: 50%; border: 3px solid #fff; box-shadow: 0 6px 24px rgba(0, 0, 0, .5); pointer-events: none; transform: translate(-50%, -50%); background-repeat: no-repeat; }
.reading { padding: 12px 14px; border-left: 3px solid transparent; border-radius: 0 8px 8px 0; transition: background .2s, border-color .2s; }
.reading.on { background: var(--card); border-left-color: var(--accent); }
.reading h3 { font-size: 15px; letter-spacing: .03em; text-transform: uppercase; }
.reading h3 b { color: var(--accent); margin-right: 8px; }
.reading p { margin: 0 0 8px; }
.tools { margin-top: 12px; padding: 12px 14px; border-top: 1px solid var(--line); }
.switch { display: flex; align-items: center; gap: 8px; font-weight: 700; }
.extract-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 20px; align-items: end; }
.extract-grid .checks, .ex-result, .extract-grid .actions { grid-column: 1 / -1; }
.ex-result { font-weight: 700; margin: 0 0 6px; }
.unknowns { margin: 34px 0 0; padding: 22px; border: 1px solid var(--line); border-radius: 12px; }
.unknowns h2 { margin: 0 0 8px; font-size: 22px; }
.unknowns p { max-width: 78ch; }
.claims { list-style: none; padding: 0; margin: 16px 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 10px; }
.claims li { display: grid; gap: 4px; padding: 12px; background: var(--card); border-radius: 8px; border: 1px dashed var(--line); }
.claims span { font-weight: 700; font-size: 14px; }
.claims em { font-style: normal; font: 800 11px var(--sans); letter-spacing: .08em; text-transform: uppercase; color: var(--accent); }
.stamp { display: inline-block; border: 2px solid var(--accent); color: var(--accent); font: 800 13px var(--sans); letter-spacing: .14em; padding: 6px 14px; transform: rotate(-2deg); margin: 6px 0 0; }

/* 02 · Masonry */
.studies { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin: 30px 0 0; }
.study { display: grid; gap: 4px; text-align: left; background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px; cursor: pointer; color: var(--ink); }
.study:hover { border-color: var(--accent); }
.study svg { display: block; width: 100%; height: auto; border-radius: 6px; margin-bottom: 8px; }
.study b { font-size: 13.5px; letter-spacing: .02em; }
.study span { font-size: 13px; color: var(--mute); }
.study em { font-style: normal; font-size: 13px; font-weight: 800; color: var(--accent); }
.wb { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(250px, .85fr); gap: 26px; }
.wb-head { display: flex; justify-content: space-between; gap: 10px; font-size: 13px; margin-bottom: 8px; }
.wb-label { font-weight: 800; }
.wb-dims { color: var(--mute); }
.wb-field { width: 100%; max-height: 74vh; margin: 0 auto; cursor: crosshair; touch-action: none; border-radius: 6px; overflow: hidden; }
.wb-field svg { display: block; width: 100%; height: 100%; }
.hint { font-size: 12.5px; color: var(--mute); margin: 8px 0 0; }
.tints { display: flex; gap: 8px; flex-wrap: wrap; }
.tint { width: 32px; height: 32px; border-radius: 50%; background: var(--c); border: 2px solid var(--card); box-shadow: 0 0 0 1px var(--line); cursor: pointer; }
.tint[aria-pressed="true"] { box-shadow: 0 0 0 2px var(--ink); }
.wb-analysis { grid-column: 1 / -1; border-top: 1px solid var(--line); padding-top: 18px; }
.stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.stats div { display: grid; padding: 12px; background: var(--paper); border-radius: 8px; }
.stats b { font-family: var(--serif); font-size: 26px; line-height: 1.1; }
.stats span { font-size: 12.5px; color: var(--mute); }
.closest { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px; margin: 14px 0 0; }
.closest b { font-family: var(--serif); font-size: 20px; }
.closest meter { width: 160px; height: 12px; }
.closest .lbl { width: 100%; }
.wb-analysis h4 { margin: 18px 0 6px; font-size: 14px; }
.features { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.features li { display: grid; grid-template-columns: 18px 1fr; gap: 0 8px; }
.features .tick { color: var(--mute); grid-row: span 2; }
.features li.on .tick { color: var(--accent); }
.features small { color: var(--mute); }
.wb-saved { grid-column: 1 / -1; border-top: 1px solid var(--line); padding-top: 14px; }
.wb-saved h3 { font-size: 14px; }
.saved { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); gap: 14px; }
.saved li { display: grid; gap: 4px; font-size: 13px; }
.saved .empty { grid-column: 1 / -1; color: var(--mute); }
.thumb { padding: 0; border: 1px solid var(--line); border-radius: 6px; overflow: hidden; cursor: pointer; background: none; }
.thumb svg { display: block; width: 100%; height: auto; }
.gust { stroke: #d6ecff; stroke-width: 1.5; stroke-linecap: round; animation: gust 2s linear infinite; }
@keyframes gust { 0% { transform: translateX(-6px); opacity: 0; } 30% { opacity: .95; } 100% { transform: translateX(10px); opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .gust { animation: none; opacity: .7; } .page { animation: none; } }
.reasons { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; margin: 20px 0 8px; }
.reason { display: grid; gap: 4px; border-top: 2px solid var(--accent); padding-top: 12px; }
.reason svg { width: 34px; height: 34px; color: var(--accent); }
.reason span { color: var(--mute); font-size: 14px; }
.contrast { display: grid; grid-template-columns: 130px 130px minmax(0, 1fr); gap: 22px; align-items: center; margin: 34px 0; padding: 20px; border: 1px solid var(--line); border-radius: 12px; }
.contrast figure { margin: 0; }
.contrast svg { display: block; width: 100%; height: auto; border-radius: 6px; }
.contrast figcaption { font-size: 12px; color: var(--mute); margin-top: 6px; }

/* 03 · Precedents */
.filters { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 18px; }
.filters button { border: 1px solid var(--line); background: var(--card); padding: 5px 14px; border-radius: 999px; font: 700 13px var(--sans); cursor: pointer; color: var(--ink); }
.filters button[aria-pressed="true"] { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.precedents { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.prec { display: grid; grid-template-columns: 150px minmax(0, 1fr); gap: 16px; background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px; }
.prec-art svg { display: block; width: 100%; height: auto; border-radius: 6px; }
.region { margin: 0; font: 800 11.5px var(--sans); letter-spacing: .07em; color: var(--accent); }
.prec h3 { font-family: var(--serif); font-size: 19px; margin: 4px 0; }
.prec p { margin: 0 0 8px; font-size: 14.5px; }
.prec-links { display: flex; flex-wrap: wrap; gap: 6px 16px; }
.prec-links a { font-weight: 800; font-size: 13.5px; text-decoration: none; }
.cmp { display: inline-flex; align-items: center; gap: 6px; font-size: 13.5px; font-weight: 700; }
.compare-art { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.compare-art figure { margin: 0; text-align: center; }
.compare-art svg { width: 100%; max-width: 280px; height: auto; border-radius: 6px; }
.compare-art figcaption { font-weight: 700; font-size: 14px; margin-top: 6px; }
.cmp-table { width: 100%; border-collapse: collapse; margin: 16px 0 0; font-size: 14.5px; }
.cmp-table th, .cmp-table td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); }
.cmp-table thead th { font: 800 11.5px var(--sans); letter-spacing: .06em; text-transform: uppercase; color: var(--accent); }

/* 04 / 05 · Plates */
.plates { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; margin: 26px 0 12px; }
.plate { margin: 0; background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px; }
.plate svg { display: block; width: 100%; height: auto; }
.plate figcaption { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px; font: 800 13px var(--sans); letter-spacing: .03em; margin-top: 12px; }
.studio { display: grid; grid-template-columns: minmax(0, 1fr) minmax(250px, 320px); gap: 26px; align-items: start; }
.studio-plate svg { display: block; width: 100%; max-width: 440px; height: auto; margin: 0 auto; border-radius: 4px; box-shadow: 0 1px 6px rgba(0, 0, 0, .12); }
.vocab table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.vocab th, .vocab td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--line); }
.vocab thead th { font: 800 11.5px var(--sans); letter-spacing: .06em; text-transform: uppercase; color: var(--mute); }
.vocab { overflow-x: auto; }

/* 06 · Comparison */
.triptych { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin: 24px 0; }
.triptych figure { margin: 0; background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 12px; }
.triptych svg, .crop { display: block; width: 100%; height: auto; aspect-ratio: 300 / 420; border-radius: 4px; }
.crop { background: #000 url("../img/screen-photo.jpg") 88% 50% / auto 100% no-repeat; }
.triptych figcaption { font: 800 12px var(--sans); letter-spacing: .05em; color: var(--accent); margin-top: 8px; }
.translate { display: grid; grid-template-columns: minmax(0, 1fr) minmax(260px, 340px); gap: 26px; align-items: start; }
.wipe { position: relative; aspect-ratio: 300 / 420; max-width: 480px; width: 100%; margin: 0 auto; border-radius: 6px; overflow: hidden; --cut: 50%; }
.wipe-brick, .wipe-plate { position: absolute; inset: 0; }
.wipe-brick svg.backdrop { position: absolute; inset: 0; width: 100%; height: 100%; }
.wipe-brick svg.field { position: absolute; left: 10%; top: 8.57%; width: 80%; height: 83.33%; }
.wipe-plate { clip-path: inset(0 calc(100% - var(--cut)) 0 0); }
.wipe-plate svg { display: block; width: 100%; height: 100%; }
.wipe::after { content: ""; position: absolute; top: 0; bottom: 0; left: var(--cut); width: 3px; margin-left: -1.5px; background: #fff; box-shadow: 0 0 8px rgba(0, 0, 0, .5); pointer-events: none; }
.wipe input { position: absolute; inset: 0; width: 100%; height: 100%; margin: 0; opacity: 0; cursor: ew-resize; }
.lab { margin-top: 10px; border-top: 1px solid var(--line); padding-top: 12px; }
.lab h3 { font-family: var(--serif); font-size: 19px; }
.lab p { margin: 0 0 8px; font-size: 14.5px; }
.lab .features { margin-bottom: 8px; }
.audit-list { list-style: none; padding: 0; margin: 0; counter-reset: claim; }
.audit-list li { padding: 14px 0; border-bottom: 1px solid var(--line); counter-increment: claim; }
.claim { font-weight: 700; margin: 0 0 8px; }
.claim::before { content: counter(claim, decimal-leading-zero) "  "; color: var(--accent); font-family: var(--serif); }
.verdict { margin: 8px 0 0; font-size: 14px; }
.verdict b { font-size: 11.5px; letter-spacing: .08em; margin-right: 6px; }
.audit-list li.right .verdict b { color: var(--ok); }
.audit-list li.wrong .verdict b { color: var(--warn); }
.audit-list li.right .claim::after { content: "  ✓"; color: var(--ok); }
.audit-list li.wrong .claim::after { content: "  ✗"; color: var(--warn); }
.audit-score { font-weight: 800; margin: 6px 0 0; }

/* 07 · Application */
.principles { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin: 26px 0; }
.principles article { display: flex; gap: 14px; background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 18px; }
.principles b { font-family: var(--serif); font-size: 34px; line-height: 1; color: var(--accent); }
.principles h3 { font: 800 13px var(--sans); letter-spacing: .05em; text-transform: uppercase; }
.principles p { margin: 0; font-size: 14.5px; }
.composer { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(250px, 1fr); gap: 26px; align-items: start; }
.elevation svg { display: block; width: 100%; height: auto; border-radius: 8px; }
.palette { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.palette button { background: var(--c); color: #fff; border: 0; padding: 12px 8px; font: 800 11.5px var(--sans); letter-spacing: .06em; border-radius: 4px; cursor: pointer; }
.palette button[aria-pressed="true"] { outline: 3px solid var(--ink); outline-offset: 2px; }
.review { list-style: none; padding: 0; margin: 18px 0 0; }
.review li { display: grid; grid-template-columns: 30px minmax(0, 1fr); gap: 2px 12px; padding: 12px 0; border-top: 1px solid var(--line); }
.review .mark { grid-row: span 2; width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; font-weight: 800; color: #fff; background: var(--warn); font-size: 14px; }
.review li.ok .mark { background: var(--ok); }
.review b { font-size: 13px; letter-spacing: .04em; text-transform: uppercase; }
.review span:last-child { font-size: 14.5px; }

/* 08 · Sources */
.source-tools { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 10px; margin: 0 0 8px; }
.source-tools .filters { margin: 0; }
.source-tools input { min-width: 220px; }
.sources { list-style: none; padding: 0; margin: 0; }
.sources li { display: grid; grid-template-columns: 44px minmax(0, 1fr) auto; gap: 16px; align-items: start; padding: 16px 0; border-bottom: 1px solid var(--line); }
.sources .num { font-family: var(--serif); font-size: 22px; color: var(--accent); }
.src-title { font-weight: 800; color: var(--ink); text-decoration: none; }
.src-title:hover { color: var(--accent); text-decoration: underline; }
.sources p { margin: 4px 0 0; font-size: 14.5px; }
.sources .meta { color: var(--mute); font-size: 13px; }
.kind { display: inline-block; font: 800 10.5px var(--sans); letter-spacing: .08em; text-transform: uppercase; border: 1px solid var(--line); border-radius: 999px; padding: 1px 8px; margin-right: 6px; }
.two { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 36px; }
.dates { list-style: none; padding: 0; margin: 0; }
.dates li { display: grid; gap: 2px; padding: 10px 0 10px 16px; border-left: 2px solid var(--accent); margin-bottom: 4px; }
.dates b { font-family: var(--serif); font-size: 17px; }
.dates a { font-size: 13px; font-weight: 700; }
.glossary { margin: 0; }
.glossary dt { font-weight: 800; margin-top: 10px; }
.glossary dd { margin: 2px 0 0; color: var(--mute); font-size: 14.5px; }
.method { margin-top: 10px; }
.method p { max-width: 78ch; }

/* Pager and toast */
.pager { position: fixed; z-index: 25; right: max(16px, env(safe-area-inset-right)); bottom: max(16px, env(safe-area-inset-bottom)); display: flex; gap: 8px; }
.pager .btn { box-shadow: 0 4px 16px rgba(0, 0, 0, .16); }
.toast { position: fixed; z-index: 40; left: 50%; bottom: 84px; transform: translate(-50%, 10px); background: var(--ink); color: var(--paper); padding: 10px 16px; border-radius: 8px; font-weight: 700; font-size: 14px; opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s; max-width: calc(100vw - 32px); }
.toast.on { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 880px) {
  .inspect, .wb, .studio, .translate, .composer, .two { grid-template-columns: minmax(0, 1fr); }
  .principles, .precedents { grid-template-columns: minmax(0, 1fr); }
  .reasons { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .claims { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .extract-grid { grid-template-columns: minmax(0, 1fr); }
  .contrast { grid-template-columns: 110px 110px; }
  .contrast > div { grid-column: 1 / -1; }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .wb-field { max-height: none; }
}

@media (max-width: 560px) {
  .count { display: none; }
  .plates { grid-template-columns: minmax(0, 1fr); }
  .studies, .triptych { gap: 8px; }
  .study { padding: 8px; }
  .study span, .study em { display: none; }
  .claims { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .prec { grid-template-columns: 100px minmax(0, 1fr); padding: 12px; }
  .sources li { grid-template-columns: 30px minmax(0, 1fr); }
  .sources li .btn { grid-column: 2; width: fit-content; }
  .pager { left: 16px; right: 16px; }
  .pager .btn { flex: 1; justify-content: center; }
  .panel { padding: 16px; }
  .kick span:last-child { font-size: 11px; }
}