:root { color-scheme: light dark; --bg: #f2f2f7; --card: #fff; --text: #12131a; --muted: #61616b; --accent: #3a7be0; }
@media (prefers-color-scheme: dark) { :root { --bg: #000; --card: #141416; --text: #f5f5f7; --muted: #9e9ea8; --accent: #6fa0ff; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 17px/1.6 -apple-system, BlinkMacSystemFont, "SF Pro Text", system-ui, sans-serif; }
main { max-width: 44rem; margin: 0 auto; padding: 3rem 1.25rem 4rem; }
header a { color: var(--text); text-decoration: none; font-weight: 700; font-size: 1.25rem; }
h1 { font-size: 2rem; line-height: 1.2; margin: 2rem 0 0.5rem; }
h2 { font-size: 1.2rem; margin: 2rem 0 0.5rem; }
p, li { color: var(--text); }
.muted { color: var(--muted); }
a { color: var(--accent); }
.card { background: var(--card); border-radius: 18px; padding: 1.25rem 1.5rem; margin: 1.5rem 0; }
footer { margin-top: 3rem; font-size: 0.9rem; color: var(--muted); }
footer a { color: var(--muted); margin-right: 1rem; }
footer p { margin: 1rem 0 0; color: var(--muted); }