:root {
  color-scheme: light dark;
  --text: #1a1f24; --text-dim: #55606a; --bg: #ffffff; --surface: #f4f6f8; --rule: #dbe1e6;
  --green-bg: rgba(95,196,166,0.16); --green-fg: #1c7a63;
  --amber-bg: rgba(217,130,74,0.18); --amber-fg: #9a5620;
  --gray-bg: #e7ebee; --gray-fg: #55606a;
}
@media (prefers-color-scheme: dark) {
  :root { --text: #e7ecef; --text-dim: #a9b4bc; --bg: #12161a; --surface: #1b2126; --rule: #2b333a;
    --green-bg: rgba(95,196,166,0.20); --green-fg: #7fe0c4;
    --amber-bg: rgba(217,130,74,0.22); --amber-fg: #f0aa6c;
    --gray-bg: #232b31; --gray-fg: #a9b4bc; }
}
:root[data-theme="dark"] { --text: #e7ecef; --text-dim: #a9b4bc; --bg: #12161a; --surface: #1b2126; --rule: #2b333a;
  --green-bg: rgba(95,196,166,0.20); --green-fg: #7fe0c4;
  --amber-bg: rgba(217,130,74,0.22); --amber-fg: #f0aa6c;
  --gray-bg: #232b31; --gray-fg: #a9b4bc; }
:root[data-theme="light"] { --text: #1a1f24; --text-dim: #55606a; --bg: #ffffff; --surface: #f4f6f8; --rule: #dbe1e6;
  --green-bg: rgba(95,196,166,0.16); --green-fg: #1c7a63;
  --amber-bg: rgba(217,130,74,0.18); --amber-fg: #9a5620;
  --gray-bg: #e7ebee; --gray-fg: #55606a; }

* { box-sizing: border-box; }
body { margin: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  background: var(--bg); color: var(--text); line-height: 1.5; }
main { max-width: 1100px; margin: 0 auto; padding: 24px 20px 60px; }
a { color: inherit; }
code { font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace; font-size: 0.92em; }

.site-header { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 20px; padding: 16px 20px;
  border-bottom: 1px solid var(--rule); max-width: 1100px; margin: 0 auto; }
.site-header .brand { font-weight: 700; font-size: 1.05rem; text-decoration: none; }
.site-header .tagline { color: var(--text-dim); font-size: 0.85rem; margin: 0; flex: 1 1 auto; }
.site-header nav { display: flex; gap: 14px; flex-wrap: wrap; font-size: 0.9rem; }
.site-header nav a { text-decoration: none; border-bottom: 1px solid transparent; }
.site-header nav a:hover { border-color: currentColor; }

.site-footer { max-width: 1100px; margin: 40px auto 0; padding: 16px 20px; border-top: 1px solid var(--rule);
  color: var(--text-dim); font-size: 0.82rem; }

.eyebrow { text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.75rem; color: var(--text-dim); }
.lead { color: var(--text-dim); }
.none { color: var(--text-dim); font-style: italic; }
.note { border-left: 3px solid var(--amber-fg); background: var(--surface); padding: 10px 14px; border-radius: 0 6px 6px 0; }

.stats-row { display: flex; flex-wrap: wrap; gap: 12px; margin: 20px 0; }
.stat { border: 1px solid var(--rule); border-radius: 8px; padding: 12px 16px; background: var(--surface); min-width: 140px; }
.stat-num { font-size: 1.6rem; font-weight: 700; }
.stat-lbl { font-size: 0.78rem; color: var(--text-dim); }

.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; margin: 20px 0; }
.filter-bar input, .filter-bar select { padding: 8px 10px; border: 1px solid var(--rule); border-radius: 6px;
  background: var(--bg); color: var(--text); font-size: 0.9rem; }
.filter-bar input { flex: 1 1 220px; }

.table-wrap { overflow-x: auto; margin: 14px 0 26px; border: 1px solid var(--rule); border-radius: 8px; }
table.data-table { border-collapse: collapse; width: 100%; font-size: 0.88rem; }
table.data-table th, table.data-table td { padding: 9px 12px; border-bottom: 1px solid var(--rule); text-align: left; vertical-align: top; }
table.data-table thead th { background: var(--surface); position: sticky; top: 0; }
table.data-table tbody tr:last-child td { border-bottom: none; }
.cap-key { color: var(--text-dim); font-size: 0.78rem; }
.no-results { color: var(--text-dim); font-style: italic; }

.evidence-badge { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 0.72rem;
  letter-spacing: 0.04em; text-transform: uppercase; font-weight: 600; }
.evidence-badge.green { background: var(--green-bg); color: var(--green-fg); }
.evidence-badge.amber { background: var(--amber-bg); color: var(--amber-fg); }
.evidence-badge.gray { background: var(--gray-bg); color: var(--gray-fg); }

.edition-chip { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 0.72rem; border: 1px solid var(--rule); }

.sdk-chip { display: inline-block; padding: 1px 6px; border-radius: 4px; font-size: 0.68rem; margin-right: 3px; font-weight: 700; }
.sdk-chip.green { background: var(--green-bg); color: var(--green-fg); }
.sdk-chip.amber { background: var(--amber-bg); color: var(--amber-fg); }
.sdk-chip.gray { background: var(--gray-bg); color: var(--gray-fg); }

.gaps-list { padding-left: 20px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }

@media print {
  .site-header nav, .filter-bar, .site-footer { display: none; }
  body { color: #000; background: #fff; }
  a[href^="http"]::after { content: " (" attr(href) ")"; font-size: 0.7em; color: #444; }
  .evidence-badge, .edition-chip, .sdk-chip { border: 1px solid #000; background: none !important; color: #000 !important; }
}