:root {
  --bg: #ffffff; --fg: #0f172a; --muted: #64748b; --line: #e2e8f0; --soft: #f1f5f9;
  --brand: #1d4ed8; --brand-soft: #dbeafe; --code-bg: #f8fafc; --warn: #b45309; --warn-bg: #fef3c7;
  --side: 270px;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0b1220; --fg: #e2e8f0; --muted: #94a3b8; --line: #1e293b; --soft: #111a2e;
          --brand: #60a5fa; --brand-soft: #1e3a8a55; --code-bg: #0f172a; --warn: #fbbf24; --warn-bg: #78350f55; }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--fg); }
body { font: 16px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans Arabic", "Noto Sans", sans-serif; }
a { color: var(--brand); }
.top { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; gap: 16px; height: 60px;
       padding: 0 20px; background: var(--bg); border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 10px; color: var(--fg); text-decoration: none; font-size: 17px; }
.logo { display: block; width: 32px; height: 32px; border-radius: 8px; }
.top-links { margin-inline-start: auto; display: flex; align-items: center; gap: 18px; }
.top-links a { text-decoration: none; color: var(--fg); font-weight: 600; font-size: 14px; white-space: nowrap; }
.lang { border: 1px solid var(--line); background: var(--soft); color: var(--fg); border-radius: 8px;
        padding: 6px 10px; font: inherit; font-size: 13px; cursor: pointer; }
.menu { display: none; border: 0; background: none; color: var(--fg); font-size: 22px; cursor: pointer; }
.layout { display: grid; grid-template-columns: var(--side) minmax(0, 1fr); }
.side { position: sticky; top: 60px; height: calc(100vh - 60px); overflow-y: auto; padding: 20px 14px;
        border-inline-end: 1px solid var(--line); }
.side h4 { margin: 18px 10px 6px; font-size: 11px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.side a { display: block; padding: 7px 10px; border-radius: 8px; color: var(--fg); text-decoration: none; font-size: 14px; }
.side a:hover { background: var(--soft); }
.side a.active { background: var(--brand-soft); color: var(--brand); font-weight: 600; }
.content { min-width: 0; padding: 32px 48px 80px; }
.doc { max-width: 820px; }
.doc h1 { font-size: 34px; line-height: 1.2; margin: 0 0 12px; }
.doc h2 { font-size: 23px; margin: 40px 0 10px; padding-top: 8px; border-top: 1px solid var(--line); }
.doc h3 { font-size: 18px; margin: 28px 0 8px; }
.doc p, .doc li { color: var(--fg); }
.doc code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .88em;
            background: var(--soft); padding: .12em .38em; border-radius: 5px;
            direction: ltr; unicode-bidi: isolate; }  /* `?async=true` stays readable inside Arabic text */
.doc pre { direction: ltr; text-align: left; background: var(--code-bg); border: 1px solid var(--line);
           border-radius: 10px; padding: 14px 16px; overflow-x: auto; font-size: 13.5px; line-height: 1.55; }
.doc pre code { background: none; padding: 0; font-size: inherit; }
.doc pre code.hljs { background: transparent; padding: 0; }
.doc table { border-collapse: collapse; width: 100%; font-size: 14.5px; margin: 14px 0; display: block; overflow-x: auto; }
.doc th, .doc td { border: 1px solid var(--line); padding: 8px 10px; text-align: start; vertical-align: top; }
.doc th { background: var(--soft); }
.doc blockquote { margin: 16px 0; padding: 10px 16px; border-inline-start: 4px solid var(--warn);
                  background: var(--warn-bg); border-radius: 6px; }
.doc blockquote p { margin: 6px 0; }
.code-tabs { margin: 14px 0; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.code-tabs .tabbar { display: flex; flex-wrap: wrap; gap: 2px; background: var(--soft); border-bottom: 1px solid var(--line);
                     padding: 6px 6px 0; direction: ltr; }
.code-tabs .tabbar button { border: 0; background: none; color: var(--muted); padding: 7px 12px; font: 600 13px system-ui, sans-serif;
                            border-radius: 7px 7px 0 0; cursor: pointer; }
.code-tabs .tabbar button.on { background: var(--code-bg); color: var(--fg); }
.code-tabs pre { margin: 0; border: 0; border-radius: 0; }
.code-tabs pre.hidden { display: none; }
.muted { color: var(--muted); }
.doc-foot { max-width: 820px; margin-top: 48px; padding-top: 16px; border-top: 1px solid var(--line);
            display: flex; justify-content: space-between; gap: 12px; font-size: 14px; }
.doc-foot a { text-decoration: none; font-weight: 600; }
[dir="rtl"] .doc h1, [dir="rtl"] .doc h2 { letter-spacing: 0; }
@media (max-width: 860px) {
  .layout { grid-template-columns: 1fr; }
  .menu { display: block; }
  .side { display: none; position: fixed; inset: 60px 0 0 0; z-index: 9; background: var(--bg); height: auto; }
  .side.open { display: block; }
  .content { padding: 20px 16px 60px; }
  .top-links a[data-i18n="guides"] { display: none; }
}