:root {
  --bg: #fafafa;
  --fg: #0e1116;
  --muted: #57606a;
  --line: #d0d7de;
  --accent: #0969da;
  --healthy: #1a7f37;
  --stale: #bf8700;
  --delisted: #cf222e;
  --ok: #1a7f37;
  --err: #cf222e;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body { background: var(--bg); color: var(--fg); font: 14px/1.5 system-ui, sans-serif; }
header.site, footer.site { padding: 12px 24px; border-bottom: 1px solid var(--line); }
footer.site { border-top: 1px solid var(--line); border-bottom: none; color: var(--muted); }
header.site { display: flex; align-items: center; gap: 24px; }
header.site .brand { font-weight: 600; text-decoration: none; color: inherit; }
header.site nav { display: flex; gap: 16px; }
header.site nav a { color: var(--muted); text-decoration: none; }
header.site nav a:hover { color: var(--accent); }
main { max-width: 1100px; margin: 24px auto; padding: 0 24px; }
h1 { font-size: 22px; margin-bottom: 8px; }
h2 { font-size: 16px; margin: 16px 0 8px; }
form.filters { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0; }
form.filters select, form.filters input { padding: 6px 8px; border: 1px solid var(--line); border-radius: 6px; background: white; }
button { padding: 6px 12px; background: var(--accent); color: white; border: 0; border-radius: 6px; cursor: pointer; }
button.secondary { background: white; color: var(--fg); border: 1px solid var(--line); }
button.danger { background: var(--err); }
table { width: 100%; border-collapse: collapse; background: white; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
th, td { padding: 8px 12px; text-align: left; border-bottom: 1px solid var(--line); }
th { background: #f6f8fa; font-weight: 600; color: var(--muted); }
tbody tr:last-child td { border-bottom: 0; }
.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.badge--healthy { background: #dafbe1; color: var(--healthy); }
.badge--stale { background: #fff8c5; color: var(--stale); }
.badge--delisted { background: #ffebe9; color: var(--delisted); }
.badge--unknown { background: #eaeef2; color: var(--muted); }
.tier { font-size: 12px; color: var(--muted); }
.error { background: #ffebe9; color: var(--err); padding: 8px 12px; border-radius: 6px; margin: 8px 0; }
.success { background: #dafbe1; color: var(--ok); padding: 8px 12px; border-radius: 6px; margin: 8px 0; }
.code { background: #f6f8fa; padding: 8px 12px; border-radius: 6px; font-family: ui-monospace, monospace; font-size: 12px; }
.history-strip { display: flex; gap: 2px; }
.history-strip .day { width: 14px; height: 24px; border-radius: 2px; background: #eaeef2; }
.history-strip .day.pass { background: var(--healthy); }
.history-strip .day.fail { background: var(--delisted); }