:root {
  --ink: #1f2328;
  --muted: #59636e;
  --line: #d1d9e0;
  --accent: #b5532f;
  --code: #f6f8fa;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: #fff;
}
header, nav, main, footer { max-width: 860px; margin: 0 auto; padding: 0 16px; }
header { padding-top: 24px; }
.brand { font-weight: 700; font-size: 18px; color: var(--ink); text-decoration: none; }
nav { display: flex; flex-wrap: wrap; gap: 4px 16px; padding-top: 12px; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
nav a { color: var(--muted); text-decoration: none; }
nav a[aria-current="page"] { color: var(--accent); font-weight: 600; }
main { padding-top: 8px; padding-bottom: 32px; }
a { color: var(--accent); }
h1 { font-size: 30px; line-height: 1.25; }
h2 { font-size: 22px; margin-top: 32px; padding-bottom: 4px; border-bottom: 1px solid var(--line); }
code { font: 14px/1.5 ui-monospace, SFMono-Regular, Menlo, monospace; background: var(--code); padding: 1px 4px; border-radius: 4px; }
pre { background: var(--code); padding: 12px 14px; border-radius: 6px; overflow-x: auto; }
pre code { padding: 0; background: none; }
table { border-collapse: collapse; width: 100%; display: block; overflow-x: auto; }
th, td { border: 1px solid var(--line); padding: 6px 10px; text-align: left; vertical-align: top; }
th { background: var(--code); }
blockquote { margin: 0; padding: 0 14px; color: var(--muted); border-left: 4px solid var(--line); }
footer { padding-top: 16px; padding-bottom: 32px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }