:root { color-scheme: light dark; --fg: #1a1a1a; --muted: #666; --bg: #fdfdfc; --link: #1a5fb4; }
@media (prefers-color-scheme: dark) { :root { --fg: #e8e8e6; --muted: #9a9a96; --bg: #161615; --link: #8ab4f8; } }
body { margin: 0; padding: 3rem 1rem; background: var(--bg); color: var(--fg); font: 17px/1.6 system-ui, -apple-system, "Segoe UI", sans-serif; }
main, footer { max-width: 40rem; margin: 0 auto; }
h1 { font-size: 1.8rem; margin: 0 0 1rem; }
h2 { font-size: 1.1rem; margin: 2rem 0 0.4rem; }
.meta { color: var(--muted); font-size: 0.9rem; margin-top: -0.5rem; }
a { color: var(--link); }
footer { margin-top: 3rem; font-size: 0.9rem; color: var(--muted); }