:root {
  --bg: #ffffff;
  --fg: #1f2328;
  --muted: #5b6470;
  --line: #e3e6ea;
  --accent: #1a56c4;
  --code-bg: #f4f6f8;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171a;
    --fg: #e8eaed;
    --muted: #9aa4b0;
    --line: #2a2f35;
    --accent: #7aa7ff;
    --code-bg: #1d2126;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 24px 72px;
}

header {
  border-bottom: 1px solid var(--line);
  padding-bottom: 20px;
  margin-bottom: 32px;
}

.brand {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.01em;
  margin: 0 0 4px;
}

.brand a { color: inherit; text-decoration: none; }

.tagline {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

h1 {
  font-size: 27px;
  line-height: 1.25;
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}

h2 {
  font-size: 18px;
  margin: 36px 0 10px;
  letter-spacing: -0.005em;
}

h3 {
  font-size: 15px;
  margin: 24px 0 6px;
}

p { margin: 0 0 14px; }

ul { margin: 0 0 14px; padding-left: 22px; }
li { margin-bottom: 6px; }

a { color: var(--accent); }

.lead {
  font-size: 17px;
  color: var(--muted);
  margin-bottom: 28px;
}

.meta {
  font-size: 13px;
  color: var(--muted);
  margin: 0 0 28px;
}

code {
  background: var(--code-bg);
  border-radius: 4px;
  padding: 1px 5px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.88em;
}

.card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px 18px;
  margin: 0 0 16px;
}

.card h3 { margin-top: 0; }

.card p:last-child { margin-bottom: 0; }

table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 18px;
  font-size: 15px;
}

th, td {
  border-bottom: 1px solid var(--line);
  padding: 9px 10px 9px 0;
  text-align: left;
  vertical-align: top;
}

th { width: 34%; font-weight: 600; }

footer {
  border-top: 1px solid var(--line);
  margin-top: 48px;
  padding-top: 18px;
  font-size: 13px;
  color: var(--muted);
}

footer a { color: var(--muted); }

nav.pages {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  font-size: 14px;
  margin-top: 8px;
}