:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --text: #1b1f24;
  --muted: #57606a;
  --link: #0b5cad;
  --rule: #d0d7de;
  --code-bg: #f3f5f7;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1419;
    --text: #e6e9ec;
    --muted: #9aa5b1;
    --link: #6cb2f2;
    --rule: #2b333c;
    --code-bg: #1a2028;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 0 16px;
  background: var(--bg);
  color: var(--text);
  font: 1rem/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

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

.site-header,
main,
.site-footer {
  max-width: 48rem;
  margin: 0 auto;
}

.site-header {
  padding: 16px 0 8px;
  border-bottom: 1px solid var(--rule);
}

.site-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
}

.site-header ul {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  margin: 8px 0 0;
  padding: 0;
  list-style: none;
  font-size: 0.9rem;
}

.site-header a[aria-current="page"] {
  color: var(--text);
  font-weight: 600;
  text-decoration: none;
}

main { padding: 16px 0 32px; overflow-wrap: break-word; }

h1, h2, h3 { line-height: 1.25; }
h1 { font-size: 1.75rem; margin: 0.5em 0; }
h2 { font-size: 1.35rem; margin: 1.6em 0 0.5em; }
h3 { font-size: 1.1rem; margin: 1.4em 0 0.4em; }

code, pre {
  font: 0.875em/1.5 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  background: var(--code-bg);
  border-radius: 4px;
}

code { padding: 0.1em 0.3em; }
pre { padding: 12px; overflow-x: auto; }
pre code { padding: 0; background: none; }

table {
  display: block;
  max-width: 100%;
  overflow-x: auto;
  border-collapse: collapse;
}

th, td {
  padding: 6px 10px;
  border: 1px solid var(--rule);
  text-align: left;
  vertical-align: top;
}

.site-footer {
  padding: 16px 0 32px;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 0.875rem;
}