:root { color-scheme: light dark; --ink: #1c1b19; --steel: #6a675f; --line: #e3e0d8; --paper: #f7f6f2; --surface: #fff; --clay: #a8502f; }
@media (prefers-color-scheme: dark) { :root { --ink: #ecebe6; --steel: #a29e95; --line: #34322d; --paper: #151412; --surface: #1d1c1a; --clay: #c97a52; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 16px/1.65 system-ui, -apple-system, "Segoe UI", sans-serif; }
header { display: flex; align-items: center; justify-content: space-between; height: 56px; padding: 0 20px; border-bottom: 1px solid var(--line); background: var(--surface); }
header a { color: var(--ink); font-weight: 600; text-decoration: none; }
main { max-width: 720px; margin: 0 auto; padding: 40px 20px 80px; }
h1 { margin: 0 0 6px; font-size: 28px; letter-spacing: -0.02em; line-height: 1.2; }
h2 { margin: 36px 0 8px; font-size: 19px; }
.lede { margin: 0 0 24px; color: var(--steel); font-size: 17px; }
a { color: var(--clay); }
li { margin-bottom: 6px; }
.card { margin: 16px 0; padding: 16px 18px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); }
.card h3 { margin: 0 0 6px; font-size: 16px; }
.card ol { margin: 0; padding-left: 20px; }
code { padding: 1px 5px; border-radius: 4px; background: var(--line); font-size: 0.9em; }
.muted { color: var(--steel); }
footer { margin-top: 48px; padding-top: 16px; border-top: 1px solid var(--line); color: var(--steel); font-size: 14px; }