:root {
  --bg: #f4f1ea;
  --ink: #1b1a17;
  --muted: #5c574e;
  --card: #fffdf8;
  --line: #d9d2c5;
  --hero: #17140f;
  --hero-ink: #f6f0e4;
  --accent: #a84a1c;
  --accent-display: #c45c26;
  --good: #2f6d4f;
  --warn: #8a5a12;
  --bad: #8b2e2e;
  --mono: "IBM Plex Mono", "ui-monospace", "SFMono-Regular", Menlo, Consolas, monospace;
  --sans: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.5;
  font-size: 17px;
}

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 9;
  background: var(--card);
  color: var(--ink);
  padding: 8px 12px;
}
.skip:focus {
  left: 8px;
  top: 8px;
}

a { color: var(--accent); }
:focus-visible {
  outline: 3px solid #a84a1c;
  outline-offset: 2px;
  border-radius: 6px;
}

.hero {
  background: var(--hero);
  color: var(--hero-ink);
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 20px;
  align-items: start;
  padding: 20px 32px 12px;
}
.eyebrow { letter-spacing: 0.08em; text-transform: uppercase; font-size: 0.72rem; margin: 0 0 6px; color: #d7c7a5; text-align: left; }
.brand { margin: 0 0 6px; font-size: 0.95rem; color: #e0795a; letter-spacing: 0.04em; }
.hero h1 { margin: 0 0 6px; font-size: clamp(1.85rem, 3.8vw, 2.9rem); line-height: 1.05; letter-spacing: -0.01em; text-align: left; }
.headline { margin: 0; max-width: 46rem; color: #efe6d4; font-size: 1.05rem; }
.tiles {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-top: 12px;
}
.tile {
  background: #241f18;
  border: 1px solid #3b3429;
  border-radius: 10px;
  padding: 8px 10px;
}
.tile strong { display: block; font-size: 1.85rem; line-height: 1.1; }
.tile span { display: block; margin-top: 4px; font-size: 0.78rem; color: #d8cbb3; }
.note { color: var(--muted); font-size: 0.92rem; }
.hero .note { color: #cbbda3; margin-top: 8px; max-width: 50rem; }
.links { margin: 8px 0 0; }
.links a {
  color: #e0795a;
  margin-right: 0.4rem;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 4px;
}
.panel .links a, #run-links a { color: var(--accent); }
.lead-short { display: none; }
.tiles { min-height: 0; }
.demo-video { grid-column: 1 / -1; max-width: 880px; margin: 4px auto 0; width: 100%; }
.demo-video video { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; border-radius: 10px; }
.demo-video .video-credit { margin: 8px 0 0; color: #d7c7a5; font-size: 0.85rem; }
.demo-video .transcript { margin-top: 8px; color: #d7c7a5; font-size: 0.92rem; }
.demo-video .transcript summary { cursor: pointer; min-height: 44px; display: flex; align-items: center; }
.demo-video .transcript p { margin: 0 0 8px; }

.drift {
  background: #0f0d0a;
  border: 1px solid #3b3429;
  border-radius: 14px;
  padding: 12px;
  font: 13px/1.45 var(--mono);
}
.drift .lbl { font: 600 11px/1 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; color: #a89a80; margin: 0 0 4px; }
.drift pre { margin: 0 0 8px; white-space: pre-wrap; word-break: break-word; }
.drift .doc { border-left: 3px solid #e0795a; background: #2a1712; padding: 10px 12px; border-radius: 6px; color: #ffd9cc; }
.drift .code { border-left: 3px solid #6fbf8f; background: #12241a; padding: 10px 12px; border-radius: 6px; color: #d4f2df; }
.drift .err { border-left: 3px solid #e9b44c; background: #2a210f; padding: 10px 12px; border-radius: 6px; color: #ffe7b3; }
.drift-foot, .drift-honest { font: 13px/1.45 var(--sans); color: #d7c7a5; margin: 0 0 8px; }
.drift-foot a { color: #e0795a; }
.drift pre code, .card .mini code { background: transparent; padding: 0; font: inherit; color: inherit; text-decoration: underline dotted 1px; }

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 12px 16px;
  background: #ebe4d6;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 2;
}
.tab {
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink);
  border-radius: 999px;
  padding: 8px 14px;
  min-height: 44px;
  cursor: pointer;
  font: inherit;
}
.tab.is-active { background: var(--hero); color: var(--hero-ink); border-color: var(--hero); }

main { padding: 20px 16px 48px; max-width: 1100px; margin: 0 auto; }
.panel { display: none; }
.panel.is-active { display: block; }
h2 { margin-top: 0; }
.lede { color: var(--muted); }

.criteria {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 0 0 28px;
}
.criteria article {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 14px;
}
.criteria h3 { margin: 0 0 6px; font-size: 1rem; color: var(--accent); }

.why-chart { margin: 8px 0 16px; }
.why-chart svg { width: 100%; height: auto; }
.why-chart-list { display: none; list-style: none; padding: 0; margin: 0; }
.why-chart-list li { margin: 0 0 12px; font-size: 15px; line-height: 1.45; }
.why-chart-list .why-arm { display: block; color: var(--muted); font-size: 14px; }
.bar-label { font: 14px var(--sans); fill: var(--ink); }
.bar-whole { fill: #a84a1c; }
.bar-matched { fill: #3d6b8a; }
.bar-local { fill: #8a7b68; }
#sample-cast { margin: 8px 0 16px; overflow: hidden; }
#sample-cast .ap-wrapper { max-width: 100%; }
#sample-cast .ap-player { max-width: 100%; }
#sample-output { margin: 0 0 20px; }

.method { padding-left: 1.2rem; }
.method-diagram { width: 100%; max-width: 640px; height: auto; margin: 8px 0 24px; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 10px; }
.chip {
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink);
  border-radius: 999px;
  padding: 8px 12px;
  min-height: 44px;
  cursor: pointer;
  font: inherit;
}
.chip[aria-pressed="true"] { background: var(--hero); color: var(--hero-ink); border-color: var(--hero); }
.count { color: var(--muted); margin: 0 0 12px; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 12px;
}
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 14px;
  min-width: 0;
}
code, .card a { overflow-wrap: anywhere; }
.card .meta a { display: inline-block; padding: 10px 0; }
.card h3 { margin: 0 0 8px; font-size: 1.02rem; }
.card p { margin: 0 0 8px; font-size: 0.92rem; }
.card .mini { font: 12px/1.45 var(--mono); white-space: pre-wrap; word-break: break-word; padding: 8px 10px; border-radius: 6px; margin: 0 0 8px; color: var(--ink); background: #f3eee4; }
.card .mini.doc { background: #f8ece6; border-left: 3px solid #e0795a; }
.card .mini.code { background: #eaf4ee; border-left: 3px solid #6fbf8f; }
.card .mini.err { background: #f6eedc; border-left: 3px solid #e9b44c; }
.meta { font-size: 0.82rem; color: var(--muted); }
.meta a { color: inherit; }
.pill {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 8px 12px;
  min-height: 44px;
  font-size: 0.75rem;
  margin: 0 6px 8px 0;
  border: 1px solid var(--line);
}
.pill-reproduced { background: #e4f3ea; color: var(--good); border-color: #b9d8c4; }
.pill-checked { background: #f4ead3; color: var(--warn); border-color: #e0cfa6; }
.pill-false { background: #f8e4e4; color: var(--bad); border-color: #e3b8b8; }
.pill-open { background: #fde8d6; color: var(--accent); border-color: #f0c19a; }
.disp-id { font: 600 0.78rem var(--mono); color: var(--muted); float: right; }

.headline-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 0 0 16px;
}
.headline-cards .tile { background: var(--card); border: 1px solid var(--line); color: var(--ink); }
.headline-cards .tile span { color: var(--muted); }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; background: var(--card); }
th, td { border: 1px solid var(--line); padding: 8px 10px; text-align: left; vertical-align: top; font-size: 0.92rem; }
th { background: #efe7d8; }
table.beamv3:not(.show-all) .extra-col { display: none; }
.col-toggle { margin: 8px 0 16px; }

.funnel { padding-left: 1.2rem; }
.funnel li { margin-bottom: 8px; }
.notes { white-space: pre-wrap; color: var(--muted); }
.notes ul { white-space: normal; }
.banner {
  border-left: 4px solid var(--accent);
  background: var(--card);
  padding: 12px 14px;
  border-radius: 0 10px 10px 0;
}
.player {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 16px 16px;
  margin: 0 0 28px;
}
.player details summary {
  cursor: pointer;
  font-weight: 600;
  min-height: 44px;
  display: flex;
  align-items: center;
}
.player-kicker {
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.72rem;
  color: var(--accent);
  margin: 12px 0 6px;
}
.player-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.player ol { padding-left: 1.2rem; }
.player li { margin-bottom: 8px; }
.pr-line { margin-top: 12px; font-weight: 600; }
.pr-line a { color: var(--accent); }
pre {
  background: var(--hero);
  color: var(--hero-ink);
  padding: 12px;
  border-radius: 10px;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 0.84rem;
}
code { font: 0.9em var(--mono); background: #efe8da; padding: 0.1em 0.35em; border-radius: 4px; }
pre code { background: transparent; padding: 0; color: inherit; }
img { max-width: 100%; height: auto; border: 1px solid var(--line); border-radius: 8px; }
footer { padding: 16px; color: var(--muted); font-size: 0.85rem; border-top: 1px solid var(--line); }
.footer-links { display: flex; flex-wrap: wrap; gap: 4px 12px; margin: 4px 0 0; }
.footer-links a { min-height: 44px; display: inline-flex; align-items: center; padding: 8px 4px; }

.recall-svg svg { width: 100%; height: auto; }
.recall-svg .grid { stroke: var(--line); stroke-dasharray: 2 3; }
.recall-svg .endlabel { font: 600 11px var(--mono); }

@media (prefers-reduced-motion: reduce) {
  .ap-player *, .ap-player *::before { animation: none !important; transition: none !important; }
}

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding: 28px 18px; gap: 24px; }
  .criteria { grid-template-columns: 1fr; }
  .headline-cards { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .hero { display: flex; flex-direction: column; }
  .hero-copy { display: contents; }
  .hero .eyebrow { order: 0; }
  .hero .brand { order: 1; }
  .hero h1 { order: 2; }
  .drift { order: 3; }
  .tiles { order: 4; min-height: 0; width: 100%; }
  .headline { order: 5; }
  .hero .note { order: 6; }
  .hero .links { order: 7; }
  .demo-video { order: 8; }
  .lead-full { display: none; }
  .lead-short { display: block; }
}

@media (max-width: 800px) {
  .tiles { grid-template-columns: 1fr; width: 100%; }
  body { font-size: 16px; }
  .player-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  table.cards thead { position: absolute; left: -9999px; }
  table.cards tr { display: block; border: 1px solid var(--line); border-radius: 10px; margin: 0 0 10px; padding: 8px 12px; background: var(--card); }
  table.cards td { display: flex; justify-content: space-between; gap: 12px; border: 0; padding: 4px 0; }
  table.cards td::before { content: attr(data-label); font-weight: 600; color: var(--muted); }
  table.beamv3:not(.show-all) td.extra-col { display: none; }
}

@media (max-width: 600px) {
  .tabs {
    flex-wrap: nowrap;
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    -webkit-mask-image: linear-gradient(to right, #000 calc(100% - 28px), transparent);
    mask-image: linear-gradient(to right, #000 calc(100% - 28px), transparent);
  }
  .tabs::-webkit-scrollbar { display: none; }
  .tab { flex: 0 0 auto; padding: 8px 14px; min-height: 44px; }
  .chips {
    flex-wrap: nowrap;
    overflow-x: auto;
    scroll-snap-type: x proximity;
    -webkit-overflow-scrolling: touch;
    -webkit-mask-image: linear-gradient(to right, #000 calc(100% - 28px), transparent);
    mask-image: linear-gradient(to right, #000 calc(100% - 28px), transparent);
  }
  .chips .chip { flex: 0 0 auto; scroll-snap-align: start; }
  .why-chart svg { display: none; }
  .why-chart-list { display: block; }
  .eyebrow, .hero h1, .brand { text-align: left; }
  .tiles { grid-template-columns: 1fr; width: 100%; }
  #bugs .filters { scroll-margin-top: 64px; }
}