:root { color-scheme: dark light; --bg: #0b0f14; --text: #eef2f6; --muted: #8b97a8; --accent: #3ddc84; }
@media (prefers-color-scheme: light) { :root { --bg: #f4f6f9; --text: #0f141a; --muted: #5d6878; --accent: #12a150; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 17px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
main { max-width: 680px; margin: 0 auto; padding: 48px 20px 64px; }
header { display: flex; align-items: center; gap: 12px; margin-bottom: 28px; }
header img { width: 44px; height: 44px; }
header a { color: inherit; text-decoration: none; font-weight: 700; font-size: 20px; }
h1 { font-size: 30px; line-height: 1.2; margin: 0 0 6px; }
h2 { font-size: 19px; margin: 32px 0 8px; }
p, li { color: var(--text); }
.muted { color: var(--muted); }
a { color: var(--accent); }
ul { padding-left: 22px; }