:root { color-scheme: light dark; --fg: #1a1a1a; --bg: #ffffff; --muted: #5c5c5c; --link: #0b57d0; }
@media (prefers-color-scheme: dark) { :root { --fg: #ececec; --bg: #161616; --muted: #a8a8a8; --link: #8ab4f8; } }
body { margin: 0 auto; max-width: 42rem; padding: 2rem 1rem 4rem; font: 1.0625rem/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; color: var(--fg); background: var(--bg); }
h1 { font-size: 1.75rem; line-height: 1.25; }
h2 { font-size: 1.25rem; margin-top: 2rem; }
a { color: var(--link); }
nav, .muted { color: var(--muted); font-size: 0.9375rem; }