:root {
  --brand: #185FA5; --brand-hover: #0C447C; --brand-tint: #EAF2FA;
  --ink: #101828; --muted: #667085; --border: #E7EAEE; --bg-subtle: #FAFBFC; --white: #FFFFFF;
  --sev-error: #B42318; --sev-warning: #B54708; --sev-info: #175CD3;
  --font-display: 'Plus Jakarta Sans', 'Inter', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, Menlo, Consolas, monospace;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: var(--font-body); color: var(--ink); background: var(--bg-subtle); line-height: 1.55; }
a { color: var(--brand); text-decoration: none; }
a:hover { color: var(--brand-hover); text-decoration: underline; }
code { font-family: var(--font-mono); font-size: 0.9em; }
.topbar { display: flex; gap: 20px; align-items: center; padding: 14px 24px; background: var(--white); border-bottom: 1px solid var(--border); }
.brand { font-family: var(--font-display); font-weight: 800; color: var(--ink); }
.topbar-link { color: var(--muted); font-size: 14px; }
.doc { max-width: 900px; margin: 0 auto; padding: 28px 24px 64px; }
h1 { font-family: var(--font-display); font-size: 32px; margin: 8px 0 12px; }
h2 { font-family: var(--font-display); font-size: 20px; margin: 32px 0 12px; }
.lede { font-size: 17px; color: var(--muted); margin: 0 0 8px; }
.breadcrumb { font-size: 13px; color: var(--muted); margin-bottom: 16px; }
.breadcrumb .sep { margin: 0 8px; color: var(--border); }
.breadcrumb [aria-current] { color: var(--ink); }
.meta { display: grid; grid-template-columns: max-content 1fr; gap: 6px 18px; margin: 16px 0; font-size: 14px; }
.meta dt { color: var(--muted); }
.meta dd { margin: 0; }
.badge { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: 12px; font-weight: 600; background: var(--brand-tint); color: var(--brand-hover); text-transform: capitalize; }
.badge.sev-error { background: #FEF3F2; color: var(--sev-error); }
.badge.sev-warning { background: #FFFAEB; color: var(--sev-warning); }
.badge.sev-info { background: #EFF8FF; color: var(--sev-info); }
.keywords { margin-top: 14px; }
.kw { display: inline-block; padding: 2px 8px; margin: 0 4px 6px 0; border: 1px solid var(--border); border-radius: 6px; font-size: 12px; color: var(--muted); }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px; margin-top: 8px; }
.card { display: flex; flex-direction: column; gap: 6px; padding: 16px; background: var(--white); border: 1px solid var(--border); border-radius: 12px; color: var(--ink); }
.card:hover { border-color: var(--brand); text-decoration: none; box-shadow: 0 2px 8px rgba(16,24,40,0.06); }
.card-head { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.card-desc { font-size: 13px; color: var(--muted); }
.card-meta { font-size: 12px; color: var(--muted); margin-top: 2px; }
.cat { margin-top: 28px; }
table.rules { width: 100%; border-collapse: collapse; margin-top: 8px; font-size: 14px; }
table.rules th, table.rules td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); }
table.rules th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; }
.docfoot { max-width: 900px; margin: 0 auto; padding: 24px; display: flex; justify-content: space-between; gap: 16px; font-size: 13px; color: var(--muted); border-top: 1px solid var(--border); }
@media (max-width: 560px) { .doc { padding: 20px 16px 48px; } h1 { font-size: 26px; } .meta { grid-template-columns: 1fr; } }