/* Open Gastronomy Standard — shared static site + leaderboard */
:root {
  --bg: #f7f7f5;
  --fg: #1c1b1a;
  --muted: #6b6a67;
  --border: #e5e5e1;
  --card: #ffffff;
  --accent: #6b6a4a;
  --accent-strong: #3f3e29;
  --table-stripe: #fafaf7;
  --cell-null: #f0efea;
  --chip: #eef0ea;
  --shadow: 0 1px 2px rgba(0,0,0,.04), 0 8px 24px rgba(0,0,0,.04);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #11110f;
    --fg: #eceae4;
    --muted: #9a998f;
    --border: #2b2a26;
    --card: #1a1a17;
    --accent: #c8c49a;
    --accent-strong: #e8e3b4;
    --table-stripe: #151412;
    --cell-null: #1f1e1b;
    --chip: #23221d;
    --shadow: 0 1px 2px rgba(0,0,0,.4), 0 12px 32px rgba(0,0,0,.35);
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter",
               "Helvetica Neue", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--card);
  position: sticky;
  top: 0;
  z-index: 20;
}
.site-nav .wordmark {
  font-weight: 600;
  text-decoration: none;
  color: var(--fg);
  letter-spacing: -0.02em;
  font-size: 16px;
}
.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.site-nav a {
  text-decoration: none;
  color: var(--muted);
}
.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--accent-strong);
}
.site-nav a[aria-current="page"] {
  color: var(--accent-strong);
  font-weight: 600;
}
.site-nav .ext::after {
  content: " ↗";
  font-size: 11px;
  opacity: 0.7;
}

main { max-width: 1100px; margin: 0 auto; padding: 40px 24px 96px; }
header { margin-bottom: 32px; }
h1 { font-size: 32px; letter-spacing: -0.02em; margin: 0 0 4px; }
h2 { font-size: 20px; letter-spacing: -0.01em; margin: 48px 0 12px; }
h3 { font-size: 17px; margin: 28px 0 8px; }
p.lede { color: var(--muted); margin: 0 0 24px; max-width: 70ch; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
       font-size: 0.92em; }
.mono-s { font-size: 0.82em; color: var(--muted); }
.chip { display: inline-block; padding: 2px 8px; border-radius: 999px;
        background: var(--chip); color: var(--muted); font-size: 12px;
        margin-right: 6px; }
.card { background: var(--card); border: 1px solid var(--border);
        border-radius: 12px; padding: 20px; box-shadow: var(--shadow); }
.card + .card { margin-top: 24px; }
.grid-meta { display: grid; grid-template-columns: repeat(4, 1fr);
             gap: 16px; margin: 16px 0 0; }
.grid-meta .card { padding: 14px 16px; box-shadow: none; margin-top: 0; }
.grid-meta .k { color: var(--muted); font-size: 12px; text-transform: uppercase;
                letter-spacing: 0.04em; }
.grid-meta .v { font-size: 20px; font-weight: 600; letter-spacing: -0.01em; }

.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin: 24px 0; }
.btn {
  display: inline-block;
  padding: 10px 18px;
  border-radius: 10px;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--fg);
}
.btn:hover, .btn:focus-visible { border-color: var(--accent); }
.btn.primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
@media (prefers-color-scheme: dark) {
  .btn.primary { color: #111; }
}

.spec-list { list-style: none; padding: 0; margin: 0; }
.spec-list li {
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
}
.spec-list a { font-weight: 500; }
.spec-list .sub { color: var(--muted); font-size: 13px; margin: 4px 0 0; }

/* Spec article (Markdown → HTML) */
article.spec {
  max-width: 85ch;
}
article.spec h1 { font-size: 28px; margin: 0 0 16px; }
article.spec h2 {
  font-size: 20px;
  margin: 40px 0 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
}
article.spec h3 { font-size: 17px; margin: 28px 0 8px; }
article.spec h4 { font-size: 15px; margin: 20px 0 6px; }
article.spec p { margin: 0 0 12px; }
article.spec ul, article.spec ol { margin: 8px 0 16px; padding-left: 1.4em; }
article.spec li { margin: 4px 0; }
article.spec table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  margin: 16px 0;
}
article.spec th, article.spec td {
  border: 1px solid var(--border);
  padding: 8px 10px;
  text-align: left;
}
article.spec th {
  background: var(--table-stripe);
  color: var(--fg);
  font-size: inherit;
  text-transform: none;
  letter-spacing: 0;
}
article.spec pre {
  background: var(--table-stripe);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 16px;
  overflow-x: auto;
  font-size: 13px;
  line-height: 1.45;
}
article.spec blockquote {
  margin: 16px 0;
  padding: 8px 0 8px 16px;
  border-left: 3px solid var(--accent);
  color: var(--muted);
}
article.spec hr { border: none; border-top: 1px solid var(--border); margin: 32px 0; }
article.spec a { word-break: break-word; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); }
th { font-weight: 600; font-size: 13px; color: var(--muted);
     text-transform: uppercase; letter-spacing: 0.04em;
     background: var(--card); }
tbody tr:nth-child(even) { background: var(--table-stripe); }

table.leaderboard td.rank { color: var(--muted); font-variant-numeric: tabular-nums; width: 36px; }
table.leaderboard td.model { min-width: 180px; }
table.leaderboard .adapter { display: inline-block; margin-left: 6px; color: var(--muted);
                             font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em; }
table.leaderboard td.score-cell { min-width: 260px; }
.score-bar { position: relative; height: 8px; background: var(--chip);
             border-radius: 4px; overflow: hidden; }
.score-fill { position: absolute; top: 0; left: 0; height: 100%;
              background: var(--accent); }
.score-ci { position: absolute; top: -3px; height: 14px;
            border-left: 2px solid var(--accent-strong);
            border-right: 2px solid var(--accent-strong);
            background: rgba(127,127,127,.12); }
.score-num { margin-top: 6px; font-variant-numeric: tabular-nums;
             font-weight: 600; letter-spacing: -0.01em; }
.score-num .ci-text { color: var(--muted); font-weight: 400; font-size: 12px;
                      margin-left: 6px; }

table.heatmap { table-layout: fixed; }
table.heatmap th { text-align: center; font-size: 11px; }
table.heatmap th.model-cell { text-align: left; }
table.heatmap td.heat-cell, table.compact td {
  text-align: center; font-variant-numeric: tabular-nums; font-weight: 600;
  letter-spacing: -0.01em; border-bottom: 1px solid var(--border);
}
.heat-cell.null, td.null { color: var(--muted); background: var(--cell-null); font-weight: 400; }
span.rot { display: inline-block; writing-mode: vertical-rl;
           transform: rotate(180deg); font-size: 11px; padding: 6px 0; }
.legend { margin: 10px 0 0; color: var(--muted); font-size: 12px; }
.swatch { display: inline-block; width: 14px; height: 10px;
          vertical-align: middle; border-radius: 2px; margin: 0 4px 0 10px; }
.swatch.low { background: rgba(239,68,68,.3); }
.swatch.mid { background: rgba(250,204,21,.3); }
.swatch.high { background: rgba(52,168,83,.4); }

table.compact .n { color: var(--muted); font-weight: 400; font-size: 11px;
                    margin-left: 3px; }

svg.pareto { width: 100%; height: auto; display: block; }
svg.pareto .plot-bg { fill: var(--table-stripe); stroke: var(--border); }
svg.pareto .grid { stroke: var(--border); stroke-dasharray: 2 3; }
svg.pareto .axis-label { fill: var(--muted); font-size: 11px; }
svg.pareto .axis-title { fill: var(--muted); font-size: 12px; }
svg.pareto .dot { fill: var(--accent); opacity: 0.85; }
svg.pareto .dot-label { fill: var(--fg); font-size: 12px; font-weight: 500; }

details { margin: 8px 0; border: 1px solid var(--border);
          border-radius: 8px; padding: 10px 14px; background: var(--card); }
details summary { cursor: pointer; font-weight: 500; }
dl { display: grid; grid-template-columns: 170px 1fr; gap: 6px 14px;
     margin: 10px 0 0; }
dt { color: var(--muted); font-size: 12px; text-transform: uppercase;
     letter-spacing: 0.04em; }
dd { margin: 0; font-size: 13px; }

footer { margin-top: 64px; color: var(--muted); font-size: 12px;
         border-top: 1px solid var(--border); padding-top: 18px; }
.empty { color: var(--muted); font-style: italic; }
.caption { color: var(--muted); font-size: 12px; margin-top: 6px; }
a { color: var(--accent-strong); }
@media (max-width: 720px) {
  main { padding: 24px 14px 64px; }
  .grid-meta { grid-template-columns: repeat(2, 1fr); }
  h1 { font-size: 24px; }
  dl { grid-template-columns: 120px 1fr; }
}