:root {
  --bg: #fbfaf7;
  --fg: #1d1c1a;
  --muted: #6b6862;
  --rule: #e4e1da;
  --accent: #1f5f4a;
  --code-bg: #f1efe9;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141413;
    --fg: #ecebe6;
    --muted: #9c998f;
    --rule: #2c2b28;
    --accent: #7cc4a8;
    --code-bg: #1e1d1b;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.6 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
.wrap { max-width: 44rem; margin: 0 auto; padding: 2.5rem 1rem 4rem; }
header { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; flex-wrap: wrap; margin-bottom: 3rem; }
.brand { font-weight: 650; letter-spacing: -0.01em; color: var(--fg); text-decoration: none; }
nav a { color: var(--muted); text-decoration: none; margin-left: 1.25rem; }
nav a:first-child { margin-left: 0; }
nav a:hover, a:hover { color: var(--accent); }
a { color: var(--accent); }
h1 { font-size: 2rem; line-height: 1.2; letter-spacing: -0.02em; margin: 0 0 1rem; }
h2 { font-size: 1.15rem; margin: 2.5rem 0 0.5rem; }
p, li { color: var(--fg); }
.lead { font-size: 1.15rem; color: var(--muted); }
.muted { color: var(--muted); }
code, pre { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 0.9em; background: var(--code-bg); border-radius: 4px; }
code { padding: 0.1em 0.3em; }
pre { padding: 0.9rem 1rem; overflow-x: auto; }
table { width: 100%; border-collapse: collapse; margin: 1rem 0; font-size: 0.95rem; }
th, td { text-align: left; padding: 0.45rem 0.5rem; border-bottom: 1px solid var(--rule); vertical-align: top; }
th { font-weight: 600; }
footer { margin-top: 4rem; padding-top: 1.5rem; border-top: 1px solid var(--rule); color: var(--muted); font-size: 0.9rem; }