:root { color-scheme: light dark; --fg: #1b1b1f; --bg: #fdfcff; --muted: #5f6368; --accent: #3557c7; }
@media (prefers-color-scheme: dark) { :root { --fg: #e4e2e6; --bg: #1b1b1f; --muted: #a8abb0; --accent: #a9bfff; } }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.6 system-ui, sans-serif; }
main { max-width: 720px; margin: 0 auto; padding: 32px 16px 64px; }
h1 { font-size: 1.8rem; margin-bottom: 0; }
h2 { font-size: 1.2rem; margin-top: 2rem; }
.muted { color: var(--muted); }
a { color: var(--accent); }
nav { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 24px; }
hr { border: 0; border-top: 1px solid var(--muted); opacity: .3; margin: 48px 0; }