:root {
  --bg: #ffffff; --fg: #1f2933; --muted: #52606d; --line: #e4e7eb; --accent: #1d4ed8; --soft: #f5f7fa;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #111418; --fg: #e4e7eb; --muted: #9aa5b1; --line: #2a3038; --accent: #8fb3ff; --soft: #181c22; }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", "Noto Sans Arabic", Tahoma, sans-serif;
}
.wrap { max-width: 760px; margin: 0 auto; padding: 24px 16px 48px; }
header.site { border-block-end: 1px solid var(--line); }
header.site .wrap { padding-block: 16px; display: flex; flex-wrap: wrap; gap: 8px 20px; align-items: baseline; }
.brand { font-weight: 700; font-size: 18px; color: var(--fg); text-decoration: none; }
nav.site { display: flex; flex-wrap: wrap; gap: 4px 16px; }
nav.site a, footer a, main a { color: var(--accent); }
nav.site a[aria-current="page"] { color: var(--fg); font-weight: 600; text-decoration: none; }
h1 { font-size: 28px; line-height: 1.25; margin: 8px 0 12px; }
h2 { font-size: 20px; margin: 28px 0 8px; }
h3 { font-size: 17px; margin: 20px 0 6px; }
p, li { max-width: 68ch; }
ul { padding-inline-start: 22px; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 0.92em; overflow-wrap: anywhere; }
.meta { color: var(--muted); font-size: 14px; }
.lang-switch { margin: 16px 0 0; font-size: 14px; }
section.lang + section.lang { margin-block-start: 40px; padding-block-start: 24px; border-block-start: 2px solid var(--line); }
section[lang="ar"] { font-size: 17px; line-height: 1.8; }
.note { background: var(--soft); border: 1px solid var(--line); border-radius: 8px; padding: 12px 14px; }
.pending { color: var(--muted); font-style: italic; }
footer { border-block-start: 1px solid var(--line); color: var(--muted); font-size: 14px; }
footer .wrap { padding-block: 16px 32px; }
a { overflow-wrap: anywhere; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }