:root {
  --bg: #fbfaf7;
  --text: #1d1f22;
  --muted: #5b6168;
  --line: #e3e0d8;
  --accent: #0f6b4f;
  --card: #ffffff;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141618;
    --text: #e9e7e2;
    --muted: #a3a8ae;
    --line: #2c3034;
    --accent: #5cc49d;
    --card: #1b1e21;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
main { max-width: 760px; margin: 0 auto; padding: 32px 16px 64px; }
main.narrow { max-width: 560px; padding-top: 64px; }
header.site { border-bottom: 1px solid var(--line); }
header.site nav { max-width: 760px; margin: 0 auto; padding: 14px 16px; display: flex; flex-wrap: wrap; gap: 6px 18px; align-items: center; }
header.site .brand { font-weight: 700; margin-right: auto; color: var(--text); text-decoration: none; }
a { color: var(--accent); }
h1 { font-size: 1.9rem; line-height: 1.25; margin: 0.4em 0 0.3em; }
h2 { font-size: 1.25rem; margin: 1.8em 0 0.4em; }
h3 { font-size: 1.05rem; margin: 1.3em 0 0.3em; }
.lead { font-size: 1.12rem; color: var(--muted); }
.meta { color: var(--muted); font-size: 0.92rem; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 12px; margin: 20px 0; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; }
.card h3 { margin-top: 0; }
.card p { margin: 0; color: var(--muted); font-size: 0.95rem; }
table { width: 100%; border-collapse: collapse; font-size: 0.95rem; display: block; overflow-x: auto; }
th, td { text-align: left; vertical-align: top; padding: 8px 10px; border-bottom: 1px solid var(--line); }
th { white-space: nowrap; }
code { font-size: 0.9em; overflow-wrap: anywhere; }
.note { border-left: 3px solid var(--accent); padding: 4px 14px; background: var(--card); }
footer.site { border-top: 1px solid var(--line); color: var(--muted); font-size: 0.9rem; }
footer.site div { max-width: 760px; margin: 0 auto; padding: 16px; display: flex; flex-wrap: wrap; gap: 6px 18px; }