:root { color-scheme: light dark; --fg: #0f172a; --bg: #ffffff; --muted: #475569; --accent: #1d4ed8; --card: #f1f5f9; }
@media (prefers-color-scheme: dark) { :root { --fg: #e2e8f0; --bg: #0b1220; --muted: #94a3b8; --accent: #7dd3fc; --card: #111c33; } }
* { box-sizing: border-box; }
body { margin: 0; font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; color: var(--fg); background: var(--bg); }
header, main, footer { max-width: 46rem; margin: 0 auto; padding: 1rem 1.25rem; }
header { display: flex; flex-wrap: wrap; gap: .75rem 1.5rem; align-items: baseline; justify-content: space-between; border-bottom: 1px solid var(--card); }
header a.brand { font-weight: 700; font-size: 1.25rem; text-decoration: none; color: var(--fg); }
nav a { margin-right: 1rem; }
a { color: var(--accent); }
a:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
h1 { line-height: 1.2; margin-top: 1.5rem; }
h2 { margin-top: 2rem; }
.meta { color: var(--muted); font-size: .9rem; }
.card { background: var(--card); padding: 1rem 1.25rem; border-radius: .5rem; }
table { border-collapse: collapse; width: 100%; }
th, td { text-align: left; vertical-align: top; padding: .5rem .75rem; border-bottom: 1px solid var(--card); }
footer { color: var(--muted); font-size: .9rem; border-top: 1px solid var(--card); margin-top: 2rem; }
.logo { border-radius: 22%; display: block; margin: 1rem 0 0; }