:root { color-scheme: light dark; --ink: #171717; --muted: #737373; --bg: #fafafa; --rule: #e5e5e5; }
@media (prefers-color-scheme: dark) { :root { --ink: #fafafa; --muted: #a3a3a3; --bg: #0a0a0a; --rule: #262626; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 17px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; }
main { max-width: 680px; margin: 0 auto; padding: 48px 20px 80px; }
h1 { font-size: 34px; line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 6px; }
h2 { font-size: 21px; margin: 36px 0 10px; letter-spacing: -0.01em; }
p, li { margin: 0 0 12px; }
ul { padding-left: 22px; }
.muted { color: var(--muted); }
.small { font-size: 15px; }
a { color: inherit; text-decoration: underline; text-underline-offset: 3px; }
nav { display: flex; gap: 18px; margin-bottom: 40px; font-size: 15px; color: var(--muted); }
nav a { text-decoration: none; }
nav a[aria-current] { color: var(--ink); font-weight: 600; }
hr { border: 0; border-top: 1px solid var(--rule); margin: 40px 0; }
code { font: 15px ui-monospace, SFMono-Regular, Menlo, monospace; }