:root {
  --fg: #222;
  --muted: #666;
  --bg: #fff;
  --rule: #ddd;
  --code-bg: #f4f4f4;
  --accent: #1a5fb4;
  --width: 52rem;
}

body {
  margin: 0;
  font-family: system-ui, sans-serif;
  line-height: 1.5;
  color: var(--fg);
  background: var(--bg);
}

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

.wrap {
  max-width: var(--width);
  margin: 0 auto;
  padding: 0 1rem;
}

.site-nav { border-bottom: 1px solid var(--rule); }
.site-nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
}
.site-title { font-weight: 600; color: var(--fg); text-decoration: none; }
.site-nav nav { display: flex; align-items: center; gap: 1rem; }
.site-nav nav a { color: var(--fg); text-decoration: none; display: inline-flex; }
.site-nav nav a:hover { color: var(--accent); }
.icon { display: block; }

main { padding-top: 1.5rem; padding-bottom: 2rem; }

pre, code { font-family: ui-monospace, monospace; }
pre { overflow-x: auto; padding: 0.75rem; background: var(--code-bg); }

table { border-collapse: collapse; }
th, td {
  padding: 0.25rem 0.75rem;
  border-bottom: 1px solid var(--rule);
  text-align: left;
  vertical-align: top;
}
td:first-child, th:first-child { white-space: nowrap; }

.crumbs { font-size: 0.9rem; }

.site-footer {
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 0.9rem;
}
.site-footer a { color: var(--muted); }
.site-footer p { margin: 0 0 0.5rem; }

.footer-columns {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem 2rem;
  padding-top: 1rem;
  padding-bottom: 2rem;
}

.footer-heading { font-weight: 600; color: var(--fg); }

.footer-registry { text-align: right; }
.footer-registry ul { list-style: none; margin: 0; padding: 0; }
.footer-label { margin-right: 0.5rem; }

@media (max-width: 40rem) {
  .footer-registry { text-align: left; }
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}