:root { color-scheme: light dark; --fg: #1d1d1f; --muted: #555; --bg: #fff; --link: #0a66d6; }
@media (prefers-color-scheme: dark) { :root { --fg: #f5f5f7; --muted: #aaa; --bg: #111; --link: #4ea1ff; } }
body { margin: 0; background: var(--bg); color: var(--fg); font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }
main { max-width: 42rem; margin: 0 auto; padding: 3rem 1.25rem 4rem; }
h1 { font-size: 2rem; line-height: 1.2; margin: 0 0 .25rem; }
h2 { font-size: 1.2rem; margin: 2.25rem 0 .5rem; }
p, li { color: var(--muted); }
a { color: var(--link); }
.updated { font-size: .9rem; }
footer { margin-top: 3rem; font-size: .9rem; }