:root { color-scheme: light dark; --fg: #1d1b1b; --muted: #5f5a5a; --link: #b71c1c; --bg: #fff; }
@media (prefers-color-scheme: dark) { :root { --fg: #ece6e6; --muted: #a9a1a1; --link: #ff8a80; --bg: #141212; } }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
main { max-width: 720px; margin: 0 auto; padding: 32px 16px 64px; }
h1 { font-size: 1.8rem; line-height: 1.25; margin: 0 0 8px; }
h2 { font-size: 1.15rem; margin: 32px 0 8px; }
a { color: var(--link); }
.muted { color: var(--muted); font-size: 0.92rem; }