:root { color-scheme: light dark; --fg: #1d1d1f; --muted: #6e6e73; --bg: #ffffff; --accent: #e0441f; }
@media (prefers-color-scheme: dark) { :root { --fg: #f4f5f7; --muted: #8b909a; --bg: #0e0f12; --accent: #ff5a36; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif; }
main { max-width: 680px; margin: 0 auto; padding: 56px 20px 80px; }
header { display: flex; align-items: center; gap: 14px; margin-bottom: 32px; }
header img { width: 56px; height: 56px; border-radius: 13px; }
h1 { font-size: 28px; margin: 0; }
h2 { font-size: 19px; margin: 36px 0 8px; }
p, li { color: var(--fg); }
.muted { color: var(--muted); font-size: 15px; }
a { color: var(--accent); }
nav { margin-top: 48px; font-size: 15px; }
nav a { margin-right: 16px; }