:root { color-scheme: light dark; --fg: #1d1d1f; --bg: #fbfbf8; --muted: #6b6b6b; }
@media (prefers-color-scheme: dark) { :root { --fg: #ececec; --bg: #141414; --muted: #a0a0a0; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
main { max-width: 40rem; margin: 0 auto; padding: 4rem 1rem; }
h1 { font-size: 1.8rem; margin: 0 0 .5rem; }
p { color: var(--muted); }
a { color: inherit; }