:root { color-scheme: light dark; --bg: #fafaf8; --fg: #1d1d1b; --muted: #6b6b66; --line: #deded8; --accent: #1f5eff; --note: #fff6d6; }
@media (prefers-color-scheme: dark) { :root { --bg: #161615; --fg: #ededea; --muted: #a2a29c; --line: #34342f; --accent: #6f95ff; --note: #3a3320; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 17px/1.55 system-ui, -apple-system, "Segoe UI", sans-serif; }
main { max-width: 40rem; margin: 0 auto; padding: 3rem 16px 2rem; }
.brand { font-weight: 700; letter-spacing: -.01em; margin-bottom: 2rem; }
.brand a { color: inherit; text-decoration: none; }
h1 { font-size: 1.6rem; line-height: 1.25; margin: 0 0 1rem; }
h2 { font-size: 1.1rem; margin: 2rem 0 .5rem; }
.muted { color: var(--muted); font-size: .92rem; }
.card { border: 1px solid var(--line); border-radius: 12px; padding: 1rem 1.1rem; margin: 1.25rem 0; }
.note { background: var(--note); border-radius: 12px; padding: 1rem 1.1rem; margin: 1.25rem 0; }
code { font: .95em ui-monospace, SFMono-Regular, Menlo, monospace; }
a { color: var(--accent); }
footer { margin-top: 3rem; padding-top: 1rem; border-top: 1px solid var(--line); font-size: .85rem; color: var(--muted); }
footer a { color: inherit; }
[hidden] { display: none !important; }