:root { color-scheme: light dark; --fg: #1a1a1a; --muted: #555; --bg: #fff; --link: #1d4ed8; }
@media (prefers-color-scheme: dark) { :root { --fg: #ececec; --muted: #a3a3a3; --bg: #111; --link: #93b4ff; } }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.6 system-ui, sans-serif; }
main { max-width: 42rem; margin: 0 auto; padding: 3rem 16px; }
h1 { font-size: 1.75rem; margin: 0 0 .25rem; }
h2 { font-size: 1.15rem; margin-top: 2rem; }
.meta, footer { color: var(--muted); font-size: .9rem; }
a { color: var(--link); }
footer { margin-top: 3rem; border-top: 1px solid color-mix(in srgb, var(--fg) 15%, transparent); padding-top: 1rem; }