:root { color-scheme: light dark; --bg: #fff; --fg: #1d2330; --muted: #5d6675; --link: #1a5fd0; }
@media (prefers-color-scheme: dark) { :root { --bg: #12161d; --fg: #e6e9ef; --muted: #9aa3b2; --link: #7fb0ff; } }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
main { max-width: 760px; margin: 0 auto; padding: 32px 16px 64px; }
h1 { font-size: 1.6rem; line-height: 1.3; }
h2 { font-size: 1.15rem; margin-top: 2rem; }
.meta { color: var(--muted); }
a { color: var(--link); }