:root {
  --bg: #050607;
  --bg-soft: #0c0e10;
  --surface: #111418;
  --surface-2: #171b21;
  --line: #2a2f36;
  --line-strong: #ffffff;
  --text: #f2f4f6;
  --muted: #9ca3ad;
  --cold: #bcc7d8;
  --pass: #d6f5dd;
  --fail: #ffd7d7;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 "Helvetica Neue", Helvetica, Arial, sans-serif;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select {
  font: inherit;
}

.shell {
  width: min(1320px, calc(100% - 32px));
  margin: 0 auto;
  padding: 18px 0 40px;
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 8px 0 18px;
  border-bottom: 1px solid var(--line);
}

.brand {
  font-size: 18px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.site-nav a {
  padding: 7px 10px;
  border: 1px solid var(--line);
  background: var(--surface);
}

.app-shell {
  padding-top: 22px;
}

.grid {
  display: grid;
  gap: 18px;
}

.grid.two {
  grid-template-columns: minmax(0, 1.3fr) minmax(320px, 0.7fr);
}

.grid.archive {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 18px;
}

.hero {
  padding: 22px 0 6px;
}

.eyebrow,
.muted {
  color: var(--muted);
}

.hero h1,
.section-title,
.detail-title {
  margin: 0;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.hero h1 {
  font-size: clamp(34px, 8vw, 72px);
  line-height: 0.92;
  margin: 8px 0 16px;
}

.hero-copy {
  max-width: 60ch;
  color: var(--cold);
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
}

.stats .stat {
  background: var(--surface);
  padding: 16px;
}

.stat-value {
  display: block;
  font-size: 24px;
  margin-bottom: 4px;
}

.link-row,
.index-grid,
.metadata-grid,
.debug-list {
  display: grid;
  gap: 10px;
}

.index-grid.pages {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.index-grid.panels {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.index-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  background: var(--bg-soft);
  min-height: 46px;
}

.index-link small {
  color: var(--muted);
}

.render-frame {
  background: #020304;
  border: 1px solid var(--line);
  padding: 12px;
}

.render-frame svg {
  width: 100%;
  height: auto;
  display: block;
  background: #020304;
}

.detail-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 16px;
}

.metadata-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.metadata-item {
  border-top: 1px solid var(--line);
  padding-top: 10px;
}

.metadata-item strong {
  display: block;
  font-weight: 500;
  color: var(--muted);
  margin-bottom: 4px;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border: 1px solid var(--line);
  background: var(--bg-soft);
}

.status.pass {
  color: var(--pass);
}

.status.fail {
  color: var(--fail);
}

.debug-item {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 8px 0;
  border-top: 1px solid var(--line);
}

.pill {
  display: inline-flex;
  padding: 2px 7px;
  border: 1px solid var(--line);
  color: var(--muted);
}

.archive-note {
  margin-top: 10px;
  color: var(--muted);
}

.empty-state {
  border: 1px dashed var(--line);
  padding: 18px;
  color: var(--muted);
}

@media (max-width: 980px) {
  .grid.two,
  .grid.archive,
  .metadata-grid {
    grid-template-columns: 1fr;
  }

  .index-grid.pages {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .index-grid.panels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .stats {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .shell {
    width: min(100% - 20px, 1320px);
  }

  .site-header,
  .detail-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .index-grid.pages,
  .index-grid.panels {
    grid-template-columns: 1fr;
  }
}