:root { color-scheme: light dark; --fg: #1d1d1f; --muted: #6e6e73; --bg: #fff; --accent: #0071e3; }
@media (prefers-color-scheme: dark) { :root { --fg: #f5f5f7; --muted: #a1a1a6; --bg: #000; --accent: #2997ff; } }
body { font: 17px/1.55 -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif; color: var(--fg); background: var(--bg); margin: 0; }
main { max-width: 680px; margin: 0 auto; padding: 48px 20px 64px; }
h1 { font-size: 34px; margin: 0 0 4px; } h2 { font-size: 22px; margin: 40px 0 8px; }
.muted { color: var(--muted); } a { color: var(--accent); }
nav { margin-top: 48px; font-size: 15px; } hr { border: 0; border-top: 1px solid #8884; margin: 48px 0; }