:root { --bg: #ffffff; --fg: #1d1d1f; --muted: #6e6e73; --accent: #6b4cd6; --line: #e5e5ea; }
@media (prefers-color-scheme: dark) { :root { --bg: #111114; --fg: #f2f2f7; --muted: #a1a1a6; --accent: #a78bfa; --line: #2c2c31; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; }
header, main, footer { max-width: 760px; margin: 0 auto; padding: 0 20px; }
header { padding-top: 32px; padding-bottom: 16px; border-bottom: 1px solid var(--line); }
header a.brand { color: var(--fg); text-decoration: none; font-weight: 700; font-size: 20px; }
nav { margin-top: 8px; display: flex; flex-wrap: wrap; gap: 16px; }
nav a, main a { color: var(--accent); text-decoration: none; }
nav a:hover, main a:hover { text-decoration: underline; }
main { padding-top: 24px; padding-bottom: 48px; }
h1 { font-size: 28px; margin: 0 0 4px; }
h2 { font-size: 19px; margin: 28px 0 8px; }
p.updated { color: var(--muted); margin-top: 0; }
footer { padding-top: 16px; padding-bottom: 32px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
footer a { color: var(--accent); text-decoration: none; }