:root {
  color-scheme: light dark;
  --text: #1a1a1a;
  --text-muted: #555;
  --link: #0066cc;
  --border: #e0e0e0;
  --bg: #fff;
}

@media (prefers-color-scheme: dark) {
  :root {
    --text: #f5f5f7;
    --text-muted: #a1a1a6;
    --link: #64b5ff;
    --border: #38383a;
    --bg: #1c1c1e;
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 100%;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.55;
  color: var(--text);
  background: var(--bg);
}

[dir="rtl"] body {
  font-family: -apple-system, BlinkMacSystemFont, "Arabic UI Text", "Geeza Pro", "Segoe UI", sans-serif;
}

.wrap {
  max-width: 42rem;
  margin: 0 auto;
  padding: 1.25rem 1.25rem 3rem;
}

.site-header {
  padding-bottom: 1.5rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.site-header h1 {
  margin: 0 0 0.35rem;
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1.25;
}

.subtitle {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.page-nav,
.lang-switch {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
}

.page-nav a,
.lang-switch a {
  color: var(--link);
  text-decoration: none;
}

.page-nav a:hover,
.lang-switch a:hover {
  text-decoration: underline;
}

main h2 {
  margin: 1.75rem 0 0.65rem;
  font-size: 1.15rem;
  font-weight: 600;
}

main h2:first-of-type {
  margin-top: 0;
}

main p,
main li {
  margin: 0.65rem 0;
}

main ul {
  padding-inline-start: 1.35rem;
}

[dir="rtl"] main ul {
  padding-inline-start: 0;
  padding-inline-end: 1.35rem;
}

.meta,
.note {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.site-footer {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  font-size: 0.9rem;
  color: var(--text-muted);
}

.site-footer a {
  color: var(--link);
}

.index-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
  font-size: 0.95rem;
}

.index-table th,
.index-table td {
  border: 1px solid var(--border);
  padding: 0.5rem 0.65rem;
  text-align: left;
  vertical-align: top;
}

[dir="rtl"] .index-table th,
[dir="rtl"] .index-table td {
  text-align: right;
}

.index-table th {
  background: color-mix(in srgb, var(--bg) 92%, var(--text) 8%);
}

.index-table a {
  color: var(--link);
  text-decoration: none;
}

.index-table a:hover {
  text-decoration: underline;
}