:root {
  color-scheme: light dark;
  --bg: #f6f4ef;
  --fg: #1c1917;
  --muted: #57534e;
  --card: #fffcf7;
  --line: #d6d3d1;
  --accent: #4338ca;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0c0a09;
    --fg: #f5f5f4;
    --muted: #a8a29e;
    --card: #1c1917;
    --line: #44403c;
    --accent: #a5b4fc;
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100dvh;
  font-family: "IBM Plex Sans Arabic", "Segoe UI", Tahoma, system-ui, sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.7;
}
.wrap { max-width: 46rem; margin: 0 auto; padding: 1.5rem 1.15rem 3.5rem; }
header.site {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}
.brand {
  font-weight: 700;
  font-size: 1.15rem;
  color: inherit;
  text-decoration: none;
}
nav.site { display: flex; flex-wrap: wrap; gap: 0.85rem; font-size: 0.92rem; }
nav.site a { color: var(--accent); }
h1 { font-size: 1.7rem; line-height: 1.3; margin: 1.4rem 0 0.4rem; }
h2 { font-size: 1.15rem; margin: 1.6rem 0 0.45rem; }
p, li { color: var(--fg); }
.muted, .meta { color: var(--muted); font-size: 0.95rem; }
.meta { margin: 0 0 1.1rem; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1rem 1.1rem;
  margin: 1rem 0;
}
.lang-en { margin-bottom: 2.75rem; }
.lang-ar { border-top: 1px solid var(--line); padding-top: 1.5rem; }
a { color: var(--accent); }
ul { padding-inline-start: 1.25rem; }
code, .ltr { direction: ltr; unicode-bidi: isolate; }
footer.site {
  margin-top: 2.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}
.actions { display: flex; flex-wrap: wrap; gap: 0.7rem; margin: 1.25rem 0 0.25rem; }
.btn {
  display: inline-block;
  padding: 0.55rem 0.95rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-ghost { border: 1px solid var(--line); color: inherit; }
@media (prefers-color-scheme: dark) {
  .btn-primary { color: #1e1b4b; }
}