:root {
  --bg: #050706;
  --surface: #0a0e0b;
  --surface-2: #101611;
  --ink: #f2f5ef;
  --muted: #98a29a;
  --quiet: #626d64;
  --line: #222b24;
  --line-strong: #3b493d;
  --green: #c6df6a;
  --green-soft: rgba(198, 223, 106, .1);
  --violet: #c6df6a;
  --search-accent: #c6df6a;
  --detail-accent: #c6df6a;
  --benchmark-accent: #c6df6a;
  --benchmark-success: #79bd86;
  --content: 1380px;
  --radius: 8px;
}

html { background: var(--bg); }
body {
  color: var(--ink);
  background-color: var(--bg);
  background-image:
    linear-gradient(rgba(255,255,255,.016) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.016) 1px, transparent 1px);
  background-size: 32px 32px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-feature-settings: "cv01", "ss03";
}
:where(a, button, input, select, [tabindex]):focus-visible {
  outline: 2px solid var(--page-accent, var(--green));
  outline-offset: 3px;
}

header.surface-header {
  position: sticky;
  top: 0;
  z-index: 30;
  min-height: 72px;
  height: auto;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--line);
  background: rgba(5, 7, 6, .9);
  backdrop-filter: blur(16px);
}
.surface-header .header-row,
.surface-header .head {
  min-height: 72px;
}
.surface-header .brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  color: inherit;
  text-decoration: none;
}
.surface-header .brand img,
.surface-header .mark {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  box-shadow: none;
}
.surface-header .header-actions { display: flex; align-items: center; gap: 10px; }
.surface-header .brand-name,
.surface-header .brand strong {
  font-size: 14px;
  letter-spacing: .08em;
}
.surface-header .brand-route,
.surface-header .route,
.surface-header .brand span {
  color: var(--quiet);
  font: 10px "Courier New", monospace;
  letter-spacing: .04em;
}
.surface-header .replay-link,
.surface-header .back {
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--muted);
  background: var(--surface);
  text-decoration: none;
  font: 700 10px "Courier New", monospace;
  letter-spacing: .03em;
}
.surface-header .replay-link:hover,
.surface-header .back:hover {
  border-color: var(--line-strong);
  color: var(--ink);
  background: var(--surface-2);
}

.surface-kicker {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 520px);
  align-items: end;
  gap: clamp(24px, 5vw, 72px);
  padding: 44px 0 30px;
  border-bottom: 1px solid var(--line);
}
.surface-kicker__label {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 13px;
  color: var(--page-accent, var(--green));
  font: 700 10px "Courier New", monospace;
  letter-spacing: .13em;
  text-transform: uppercase;
}
.surface-kicker__label::before {
  content: "";
  width: 30px;
  height: 1px;
  background: currentColor;
}
.surface-kicker h1 {
  margin: 0;
  color: var(--ink);
  font: 720 clamp(30px, 4vw, 52px)/1.02 Inter, ui-sans-serif, system-ui, sans-serif;
  letter-spacing: -.05em;
  white-space: normal;
  overflow: visible;
}
.surface-kicker p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
  text-wrap: pretty;
}
.surface-index {
  color: var(--quiet);
  font: 700 10px "Courier New", monospace;
  letter-spacing: .08em;
}

/* Search is an Explore surface: query first, dense ranked evidence. */
body[data-page="search-demo"] { --page-accent: var(--search-accent); --accent: var(--search-accent); --accent-ink: #172009; --panel: var(--surface); --panel-raised: var(--surface-2); --faint: var(--quiet); --line2: var(--line-strong); }
body[data-page="search-demo"] .query-zone { padding: 0 0 22px; background: rgba(5,7,6,.68); }
body[data-page="search-demo"] .surface-kicker { margin-bottom: 24px; }
body[data-page="search-demo"] .query-grid { grid-template-columns: minmax(0, 1fr) minmax(260px, 330px) 150px; }
body[data-page="search-demo"] .search-box,
body[data-page="search-demo"] #model-selector,
body[data-page="search-demo"] .search-btn { border-radius: 7px; }
body[data-page="search-demo"] .search-box { background: var(--surface-2); border-color: var(--line-strong); }
body[data-page="search-demo"] .search-btn { background: var(--search-accent); color: #172009; }
body[data-page="search-demo"] .prompt { border-radius: 5px; font: 11px "Courier New", monospace; }
body[data-page="search-demo"] main { padding-top: 24px; }
body[data-page="search-demo"] .toolbar { padding-bottom: 13px; border-bottom: 1px solid var(--line); }
body[data-page="search-demo"] .result-heading h2 { margin: 0; font-size: 16px; letter-spacing: -.02em; }
body[data-page="search-demo"] .filters { border-radius: 6px; }
body[data-page="search-demo"] .filter { border-radius: 4px; font: 700 10px "Courier New", monospace; letter-spacing: .04em; text-transform: uppercase; }
body[data-page="search-demo"] .card { border-radius: 8px; background: rgba(10,14,11,.94); }
body[data-page="search-demo"] .card:hover { background: var(--surface-2); }
body[data-page="search-demo"] .rank,
body[data-page="search-demo"] .domain { border-radius: 4px; }
body[data-page="search-demo"] .provenance { margin-top: 40px; padding: 23px 0 8px; }
body[data-page="search-demo"] .prov-title { color: var(--search-accent); font: 700 10px "Courier New", monospace; letter-spacing: .08em; text-transform: uppercase; }

/* Detail is an Inspect surface: the real model remains dominant. */
body[data-page="voxel-detail"] { --page-accent: var(--detail-accent); --accent: var(--detail-accent); --panel: var(--surface); --raised: var(--surface-2); --faint: var(--quiet); --line2: var(--line-strong); }
body[data-page="voxel-detail"] main { padding-top: 0; }
body[data-page="voxel-detail"] .surface-kicker { margin-bottom: 24px; }
body[data-page="voxel-detail"] .topline { align-items: center; margin-bottom: 12px; padding: 10px 0; border-bottom: 1px solid var(--line); }
body[data-page="voxel-detail"] .topline h2 { margin: 0; color: var(--muted); font: 700 12px "Courier New", monospace; overflow: hidden; text-overflow: ellipsis; }
body[data-page="voxel-detail"] .viewer-panel,
body[data-page="voxel-detail"] .info-panel { border-radius: 8px; background: rgba(10,14,11,.94); }
body[data-page="voxel-detail"] .viewer-panel { border-color: var(--line-strong); }
body[data-page="voxel-detail"] .viewport { aspect-ratio: 1.4 / 1; }
body[data-page="voxel-detail"] .version,
body[data-page="voxel-detail"] .drag-hint { border-radius: 4px; }
body[data-page="voxel-detail"] .controls { justify-content: flex-start; padding: 0 14px; }
body[data-page="voxel-detail"] .control { border-radius: 5px; font: 700 10px "Courier New", monospace; }
body[data-page="voxel-detail"] .info-panel { padding: 22px; }
body[data-page="voxel-detail"] .label { font-family: "Courier New", monospace; }
body[data-page="voxel-detail"] .query { font-size: 20px; letter-spacing: -.02em; }
body[data-page="voxel-detail"] .stat { border-radius: 5px; background: rgba(255,255,255,.012); }
body[data-page="voxel-detail"] .stat strong { font-family: "Courier New", monospace; }

/* Legacy replay remains an accessible 2D companion surface. */
body[data-page="benchmark-replay"] { --page-accent: var(--benchmark-accent); --accent: var(--benchmark-accent); --panel: var(--surface); --raised: var(--surface-2); }
body[data-page="benchmark-replay"] main { padding-top: 0; }
body[data-page="benchmark-replay"] .surface-kicker__label { color: var(--benchmark-accent); }
body[data-page="benchmark-replay"] .surface-kicker { margin-bottom: 24px; }
body[data-page="benchmark-replay"] .intro { grid-template-columns: 1.35fr .65fr; }
body[data-page="benchmark-replay"] .card,
body[data-page="benchmark-replay"] .stage,
body[data-page="benchmark-replay"] .metric { border-radius: 8px; background: rgba(10,14,11,.94); }
body[data-page="benchmark-replay"] .intro h2 { margin: 8px 0 10px; font-size: clamp(24px,4vw,42px); line-height: 1.04; letter-spacing: -.04em; }
body[data-page="benchmark-replay"] .outcome strong { color: var(--benchmark-success); }
body[data-page="benchmark-replay"] .stage { border-color: var(--line-strong); }
body[data-page="benchmark-replay"] :where(button, select, .back) { min-height: 40px; }

@media (max-width: 800px) {
  header.surface-header { min-height: 64px; }
  .surface-header .header-row,
  .surface-header .head { min-height: 64px; }
  .surface-kicker { grid-template-columns: 1fr; align-items: start; padding: 32px 0 24px; gap: 14px; }
  body[data-page="search-demo"] .query-grid { grid-template-columns: 1fr; }
  body[data-page="voxel-detail"] .viewport { aspect-ratio: 1.05 / 1; }
}

@media (max-width: 560px) {
  .surface-header .brand-route,
  .surface-header .route { display: none; }
  .surface-kicker h1 { font-size: clamp(30px, 10vw, 42px); }
  body[data-page="search-demo"] .header-actions .replay-link:first-child { display: none; }
  body[data-page="search-demo"] .result-heading {
    width: 100%;
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: 6px 10px;
  }
  body[data-page="search-demo"] #result-note {
    grid-column: 1 / -1;
    width: 100%;
    min-width: 0;
  }
  body[data-page="benchmark-replay"] .intro { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; }
}