:root {
  --bg: #ffffff;
  --fg: #1d1f24;
  --muted: #5d6470;
  --line: #e2e5ea;
  --accent: #4f46e5;
  --card: #f6f7f9;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121419;
    --fg: #e8eaee;
    --muted: #9aa2ae;
    --line: #2a2e36;
    --accent: #8b85ff;
    --card: #1a1d23;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--accent); }
.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  max-width: 860px;
  margin: 0 auto;
  padding: 16px;
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 8px; font-weight: 650; color: var(--fg); text-decoration: none; }
nav a { margin-left: 14px; text-decoration: none; }
nav a[aria-current="page"] { color: var(--fg); font-weight: 600; }
main { max-width: 860px; margin: 0 auto; padding: 16px 16px 64px; }
h1 { font-size: 2rem; line-height: 1.2; margin: 24px 0 4px; }
h2 { font-size: 1.25rem; margin-top: 32px; }
.muted { color: var(--muted); }
.lead { font-size: 1.15rem; }
table { width: 100%; border-collapse: collapse; margin: 12px 0; }
th, td { text-align: left; vertical-align: top; padding: 10px; border-bottom: 1px solid var(--line); }
th { font-weight: 600; }
code { font-size: 0.9em; overflow-wrap: anywhere; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 12px; margin: 16px 0; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; }
.card h3 { margin: 0 0 4px; font-size: 1rem; }
.card p { margin: 0; color: var(--muted); font-size: 0.95rem; }
.button {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  padding: 10px 18px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
}
footer { max-width: 860px; margin: 0 auto; padding: 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 0.9rem; }