:root { --bg: #f3faf7; --fg: #10241d; --muted: #5b6f68; --card: #ffffff; --accent: #3ddc97; --ink: #0b2e22; --link: #1b8fd6; }
@media (prefers-color-scheme: dark) { :root { --bg: #0d1714; --fg: #e8f5ef; --muted: #93a8a0; --card: #15221e; --link: #6ec6ff; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }
main { max-width: 720px; margin: 0 auto; padding: 32px 16px 64px; }
header { display: flex; align-items: center; gap: 14px; margin-bottom: 24px; }
header img { width: 56px; height: 56px; border-radius: 14px; }
h1 { font-size: 30px; line-height: 1.2; margin: 0; }
h2 { font-size: 19px; margin: 0 0 6px; }
p { margin: 0; }
.muted { color: var(--muted); font-size: 15px; }
section { background: var(--card); border-radius: 18px; padding: 18px 20px; margin: 14px 0; }
a { color: var(--link); }
nav { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 28px; font-size: 15px; }