:root { color-scheme: light dark; --fg: #1a1a1a; --muted: #666; --bg: #fff; --link: #0b57d0; }
@media (prefers-color-scheme: dark) { :root { --fg: #e8e8e8; --muted: #9a9a9a; --bg: #141414; --link: #8ab4f8; } }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.6 system-ui, -apple-system, "Segoe UI", sans-serif; }
main { max-width: 680px; margin: 0 auto; padding: 48px 16px; }
h1 { font-size: 28px; margin: 8px 0 4px; }
h2 { font-size: 18px; margin-top: 28px; }
a { color: var(--link); }
.muted { color: var(--muted); font-size: 14px; }