:root { --bg: #ffffff; --fg: #15151e; --muted: #5b5b6b; --accent: #1e9e63; --line: #e4e4ec; }
@media (prefers-color-scheme: dark) { :root { --bg: #0b0b12; --fg: #ececf2; --muted: #9a9aab; --accent: #2fd98b; --line: #25252f; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.75 system-ui, -apple-system, "Segoe UI", Tahoma, sans-serif; }
main { max-width: 760px; margin: 0 auto; padding: 32px 16px 64px; }
h1 { font-size: 1.6rem; margin: 0 0 8px; }
h2 { font-size: 1.15rem; margin: 28px 0 8px; }
a { color: var(--accent); }
.muted { color: var(--muted); margin-top: 0; }
hr { border: 0; border-top: 1px solid var(--line); margin: 48px 0; }
ul, ol { padding-inline-start: 22px; }