:root { --bg: #fbfaf7; --fg: #1f2328; --muted: #57606a; --accent: #2f5d50; }
@media (prefers-color-scheme: dark) { :root { --bg: #15181c; --fg: #e6e8eb; --muted: #9aa4ae; --accent: #7fc4ae; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.6 system-ui, -apple-system, "Segoe UI", sans-serif; }
main { max-width: 720px; margin: 0 auto; padding: 40px 16px; }
header { display: flex; align-items: center; gap: 14px; }
h1 { margin: 0; font-size: 28px; }
h2 { font-size: 19px; margin-top: 28px; }
a { color: var(--accent); }
code { font-size: 14px; }
footer { max-width: 720px; margin: 0 auto; padding: 0 16px 40px; color: var(--muted); font-size: 14px; }