:root { color-scheme: light dark; --fg: #1d1d1f; --bg: #ffffff; --muted: #555; }
@media (prefers-color-scheme: dark) { :root { --fg: #e8e8ea; --bg: #141416; --muted: #a0a0a8; } }
body { font: 16px/1.6 system-ui, sans-serif; color: var(--fg); background: var(--bg); max-width: 40rem; margin: 3rem auto; padding: 0 1rem; }
h1 { font-size: 1.4rem; } p, li { color: var(--fg); } small { color: var(--muted); }
a { color: inherit; }