:root {
  --bg: #fbfaf8; --fg: #1c1a17; --muted: #6b645c; --line: #e6e1d9;
  --accent: #b4531f; --code-bg: #f3f0ea;
  --max: 46rem;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #16150f; --fg: #ece7de; --muted: #9a9287; --line: #2e2b24;
          --accent: #e0873f; --code-bg: #201e18; }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font: 16px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}
.wrap { max-width: var(--max); margin: 0 auto; padding: 2.5rem 1.25rem 5rem; }
header { border-bottom: 1px solid var(--line); margin-bottom: 2.5rem; }
header .wrap { padding-bottom: 1.25rem; padding-top: 1.75rem; }
.brand { font-weight: 650; letter-spacing: -0.01em; font-size: 1.05rem; text-decoration: none; color: var(--fg); }
nav { margin-top: 0.75rem; display: flex; gap: 1.25rem; flex-wrap: wrap; }
nav a { color: var(--muted); text-decoration: none; font-size: 0.9rem; }
nav a:hover, nav a[aria-current] { color: var(--accent); }
h1 { font-size: 1.9rem; line-height: 1.25; letter-spacing: -0.02em; margin: 0 0 0.75rem; }
h2 { font-size: 1.25rem; letter-spacing: -0.01em; margin: 2.5rem 0 0.75rem; }
h3 { font-size: 1rem; margin: 1.75rem 0 0.5rem; }
p, li { color: var(--fg); }
.lead { color: var(--muted); font-size: 1.05rem; margin-bottom: 2rem; }
a { color: var(--accent); }
code { background: var(--code-bg); padding: 0.15em 0.4em; border-radius: 4px; font-size: 0.875em;
       font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; }
pre { background: var(--code-bg); padding: 1rem 1.1rem; border-radius: 8px; overflow-x: auto;
      border: 1px solid var(--line); }
pre code { background: none; padding: 0; font-size: 0.85rem; line-height: 1.6; }
table { width: 100%; border-collapse: collapse; margin: 1.25rem 0; font-size: 0.925rem; display: block; overflow-x: auto; }
th, td { text-align: left; padding: 0.6rem 0.75rem; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 550; font-size: 0.85rem; }
footer { border-top: 1px solid var(--line); margin-top: 4rem; padding-top: 1.5rem; color: var(--muted); font-size: 0.85rem; }
.note { border-left: 3px solid var(--accent); padding: 0.5rem 0 0.5rem 1rem; margin: 1.5rem 0; color: var(--muted); }