:root { --bg: #ffffff; --fg: #1d1f23; --muted: #5b616b; --accent: #2f5bd3; --line: #e3e6ea; }
@media (prefers-color-scheme: dark) { :root { --bg: #14161a; --fg: #e8eaed; --muted: #a3a9b3; --accent: #8fb0ff; --line: #2a2e35; } }
* { box-sizing: border-box; }
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; }
header { display: flex; align-items: center; gap: 14px; margin-bottom: 8px; }
header img { width: 48px; height: 48px; border-radius: 10px; }
h1 { font-size: 1.7rem; margin: 0; }
h2 { font-size: 1.2rem; margin-top: 2rem; border-top: 1px solid var(--line); padding-top: 1.2rem; }
nav { margin: 12px 0 24px; display: flex; gap: 16px; flex-wrap: wrap; }
a { color: var(--accent); }
.muted { color: var(--muted); font-size: .9rem; }
ul { padding-left: 1.2rem; }