:root {
  --bg: #0b1020;
  --panel: #121a33;
  --panel-2: #0f1730;
  --text: #e9ecf8;
  --muted: #aab1d6;
  --link: #88a7ff;
  --border: rgba(255, 255, 255, 0.08);
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  --radius: 14px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f7f8fe;
    --panel: #ffffff;
    --panel-2: #ffffff;
    --text: #101427;
    --muted: #4c567f;
    --link: #2a55ff;
    --border: rgba(16, 20, 39, 0.12);
    --shadow: 0 10px 30px rgba(16, 20, 39, 0.08);
  }
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background: radial-gradient(1200px 500px at 30% 0%, rgba(136, 167, 255, 0.18), transparent 60%),
              radial-gradient(1000px 600px at 80% 20%, rgba(116, 255, 214, 0.10), transparent 50%),
              var(--bg);
  color: var(--text);
}

a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  width: min(1100px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  backdrop-filter: blur(10px);
  background: color-mix(in oklab, var(--bg), transparent 30%);
  border-bottom: 1px solid var(--border);
  z-index: 10;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
}

.brand {
  font-weight: 750;
  letter-spacing: -0.02em;
  color: var(--text);
}

.nav {
  display: flex;
  gap: 14px;
  align-items: center;
}

.nav a {
  padding: 8px 10px;
  border-radius: 10px;
}

.nav a:hover {
  background: color-mix(in oklab, var(--panel), transparent 25%);
  text-decoration: none;
}

.nav-btn {
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--panel), transparent 12%);
  color: var(--text);
  padding: 8px 10px;
  border-radius: 10px;
  cursor: pointer;
}
.nav-btn:hover { filter: brightness(1.05); }

main { padding: 22px 0 36px; }

.panel {
  background: color-mix(in oklab, var(--panel), transparent 0%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero {
  padding: 22px;
}

.hero h1 {
  margin: 0 0 8px;
  font-size: clamp(26px, 4vw, 42px);
  letter-spacing: -0.03em;
}

.hero p { margin: 0 0 14px; color: var(--muted); }

.grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 18px;
}
@media (max-width: 900px) {
  .grid { grid-template-columns: 1fr; }
}

.search-box input {
  width: 100%;
  padding: 12px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--panel-2), transparent 0%);
  color: var(--text);
  outline: none;
}
.search-box input::placeholder { color: color-mix(in oklab, var(--muted), transparent 12%); }

.hint, .empty { color: var(--muted); padding: 10px 2px; }
.muted { color: var(--muted); }

.section {
  margin-top: 18px;
  padding: 18px;
}
.section h2 { margin: 0 0 10px; font-size: 18px; }

.letter-grid {
  display: grid;
  grid-template-columns: repeat(13, 1fr);
  gap: 8px;
}
@media (max-width: 900px) { .letter-grid { grid-template-columns: repeat(9, 1fr); } }
@media (max-width: 560px) { .letter-grid { grid-template-columns: repeat(6, 1fr); } }

.letter-grid a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: color-mix(in oklab, var(--panel-2), transparent 0%);
  color: var(--text);
}
.letter-grid a:hover { text-decoration: none; filter: brightness(1.06); }
.letter-grid span { color: var(--muted); font-variant-numeric: tabular-nums; }

.lang-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.lang-row { padding: 10px 12px; border: 1px solid var(--border); border-radius: 12px; background: color-mix(in oklab, var(--panel-2), transparent 0%); }
.lang-link { font-weight: 650; }

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
@media (max-width: 700px) { .stats { grid-template-columns: 1fr; } }

.stat {
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: color-mix(in oklab, var(--panel-2), transparent 0%);
}
.stat .num { font-size: 22px; font-weight: 750; font-variant-numeric: tabular-nums; }

.recent { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.recent li { display: flex; align-items: baseline; justify-content: space-between; gap: 14px; padding: 8px 10px; border-bottom: 1px dashed var(--border); }

.btn {
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--panel), transparent 12%);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 12px;
  cursor: pointer;
}
.btn:hover { filter: brightness(1.06); }

.breadcrumbs { font-size: 14px; color: var(--muted); margin-bottom: 10px; }
.breadcrumbs a { color: var(--muted); }

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: color-mix(in oklab, var(--panel-2), transparent 0%);
  color: var(--text);
}

.codeblock {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: color-mix(in oklab, var(--panel-2), transparent 0%);
}

.codebar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}

.codebar .meta { color: var(--muted); font-size: 13px; }

pre {
  margin: 0;
  padding: 14px 12px;
  overflow: auto;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.5;
}

.pager {
  margin-top: 18px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
}
.pager a { padding: 10px 12px; border-radius: 12px; border: 1px solid var(--border); background: color-mix(in oklab, var(--panel-2), transparent 0%); color: var(--text); }
.pager a:hover { text-decoration: none; filter: brightness(1.06); }

.bar-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.bar-row { display: grid; grid-template-columns: minmax(72px, 220px) 1fr 60px; gap: 10px; align-items: center; }
.bar {
  height: 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--panel-2), transparent 0%);
  overflow: hidden;
}
.bar > div {
  height: 100%;
  width: var(--w, 0%);
  background: linear-gradient(90deg, color-mix(in oklab, var(--link), white 10%), color-mix(in oklab, var(--link), black 20%));
}

.audit-controls {
  display: grid;
  grid-template-columns: 1fr 200px;
  gap: 10px;
}
@media (max-width: 700px) { .audit-controls { grid-template-columns: 1fr; } }

.audit-controls input,
.audit-controls select {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--panel-2), transparent 0%);
  color: var(--text);
}

.audit-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.audit-table th,
.audit-table td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px dashed var(--border);
  vertical-align: top;
}
.audit-table th { color: var(--muted); font-weight: 600; }
.audit-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-size: 12px;
}
.audit-badge.error { background: rgba(255, 75, 75, 0.15); color: #ffb3b3; }
.audit-badge.warn { background: rgba(255, 195, 60, 0.12); color: #ffe2a1; }
.audit-badge.info { background: rgba(80, 180, 255, 0.12); color: #c7e5ff; }

.audit-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
@media (max-width: 900px) { .audit-grid { grid-template-columns: 1fr; } }

.site-footer {
  border-top: 1px solid var(--border);
  padding: 20px 0;
  color: var(--muted);
  font-size: 13px;
}

/* ---- Phase 1: cross-source presence + ext claims + SWH samples ---- */
.pill.src-llm { background: rgba(150, 100, 255, 0.16); color: #d9c4ff; }
.pill.src-pldb { background: rgba(80, 200, 120, 0.14); color: #b8e8c4; }
.pill.src-linguist { background: rgba(80, 180, 255, 0.14); color: #b8d6ee; }
.pill.src-pygments { background: rgba(255, 140, 90, 0.14); color: #ffcdb0; }
.pill.src-wikipedia { background: rgba(200, 200, 200, 0.10); color: #d9d9d9; }
.pill.src-esolang { background: rgba(255, 220, 100, 0.14); color: #ffeeb0; }
.pill.src-hyperpolyglot { background: rgba(255, 160, 200, 0.14); color: #ffcfe2; }
.pill.src-rosettacode { background: rgba(140, 220, 220, 0.14); color: #bff0f0; }
.pill.src-wikidata { background: rgba(170, 130, 255, 0.14); color: #d6c8ff; }

.pill.strength-primary { background: rgba(80, 200, 120, 0.18); color: #c6f0d4; }
.pill.strength-secondary { background: rgba(255, 195, 60, 0.14); color: #ffe2a1; }
.pill.strength-unknown { background: rgba(200, 200, 200, 0.10); color: #d9d9d9; }
.pill.strength-proposed { background: rgba(200, 180, 255, 0.12); color: #d8ccff; font-style: italic; }
.pill.strength-deprecated { background: rgba(220, 110, 110, 0.14); color: #f0c2c2; text-decoration: line-through; }

.kv-table { width: 100%; border-collapse: collapse; margin-top: 4px; font-size: 14px; }
.kv-table th, .kv-table td {
  text-align: left; padding: 6px 10px; border-bottom: 1px dashed var(--border); vertical-align: top;
}
.kv-table th { color: var(--muted); font-weight: 600; }
.kv-table tr:hover td { background: rgba(255,255,255,0.02); }

a.pill { text-decoration: none; cursor: pointer; transition: filter 0.15s; }
a.pill:hover { filter: brightness(1.15); }
.pill.src-taxonomy { background: rgba(180, 180, 220, 0.10); color: #d8d8e8; font-style: italic; }

.ext-label-status[data-kind="ok"]   { color: #b8e8c4; }
.ext-label-status[data-kind="warn"] { color: #ffe2a1; }
.ext-label-status[data-kind="error"] { color: #ffb3b3; }
.ext-label-form { padding: 6px 0; }
.ext-label-form input, .ext-label-form select, .ext-label-form textarea {
  width: 100%; box-sizing: border-box;
  background: var(--panel-2); color: var(--text);
  border: 1px solid var(--border); border-radius: 6px;
  padding: 6px 8px; font: inherit;
}
.ext-label-form select { padding: 5px 8px; }
.ext-label-form textarea { resize: vertical; font-family: ui-monospace, monospace; font-size: 13px; }