:root { color-scheme: light dark; --fg: #1d1d1f; --muted: #5f6368; --bg: #fff; --line: #e3e3e3; --accent: #1a73e8; }
@media (prefers-color-scheme: dark) { :root { --fg: #e8eaed; --muted: #9aa0a6; --bg: #121212; --line: #2c2c2c; --accent: #8ab4f8; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.65 -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; }
main { max-width: 720px; margin: 0 auto; padding: 48px 24px 64px; }
header { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }
header img { width: 40px; height: 40px; border-radius: 9px; }
h1 { font-size: 28px; margin: 0; }
h2 { font-size: 19px; margin: 32px 0 8px; }
p, li { color: var(--fg); }
.muted { color: var(--muted); font-size: 14px; }
nav { margin: 16px 0 32px; padding-bottom: 16px; border-bottom: 1px solid var(--line); }
nav a { margin-right: 18px; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
footer { margin-top: 48px; padding-top: 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }