:root { --bg: #ffffff; --fg: #1d1d1f; --muted: #6e6e73; --accent: #0e8a8a; --line: #e5e5ea; }
@media (prefers-color-scheme: dark) { :root { --bg: #000000; --fg: #f5f5f7; --muted: #a1a1a6; --accent: #3ee0a8; --line: #2c2c2e; } }
body { margin: 0; background: var(--bg); color: var(--fg); font: 17px/1.55 -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif; }
main { max-width: 680px; margin: 0 auto; padding: 32px 16px 64px; }
header { display: flex; align-items: center; gap: 14px; margin-bottom: 8px; }
header img { width: 56px; height: 56px; }
header a { color: inherit; text-decoration: none; font-size: 26px; font-weight: 600; }
nav { margin: 8px 0 32px; color: var(--muted); }
nav a, p a { color: var(--accent); }
h1 { font-size: 28px; margin: 40px 0 4px; }
h2 { font-size: 19px; margin: 28px 0 4px; }
hr { border: 0; border-top: 1px solid var(--line); margin: 48px 0; }
.muted { color: var(--muted); }