/* UltraGX manual (site/docs/<lang>/): builds on site.css, same palette. Pages written by tools/build_manual.py. */
.docs .top .wrap { max-width: 1400px; gap: 20px; }
.docs-home { font-size: 14px; color: var(--ink-2); text-decoration: none; border-left: 1px solid var(--line); padding-left: 20px; }
.langs a { color: var(--muted); padding: 5px 8px; border-radius: 4px; text-decoration: none; letter-spacing: 0.08em; border: 1px solid transparent; }
.langs a[aria-current] { color: var(--ink); border-color: var(--line); background: var(--panel); }

.docs-layout { max-width: 1400px; margin: 0 auto; padding: 0 24px; display: grid; grid-template-columns: 250px minmax(0, 1fr) 220px; gap: 40px; }
.chapters, .rail { position: sticky; top: 64px; align-self: start; max-height: calc(100vh - 64px); overflow: auto; padding: 32px 0; font-size: 14px; }
.chapters h4, .rail h4 { font-family: var(--mono); font-size: 11px; font-weight: 500; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); margin: 0 0 12px; }
.chapters ol, .rail ul { list-style: none; margin: 0; padding: 0; }
.chapters a { display: flex; gap: 10px; padding: 6px 10px; border-radius: 4px; text-decoration: none; color: var(--ink-2); }
.chapters a span { font-family: var(--mono); font-size: 12px; color: var(--muted); padding-top: 1px; }
.chapters a:hover { background: var(--panel); color: var(--ink); }
.chapters a[aria-current] { background: var(--panel); color: var(--ink); box-shadow: inset 2px 0 0 var(--accent); }
.rail li a { display: block; padding: 4px 0; color: var(--muted); text-decoration: none; }
.rail li.l3 a { padding-left: 12px; font-size: 13px; }
.rail li a:hover { color: var(--ink); }

.doc { padding: 40px 0 80px; min-width: 0; max-width: 820px; }
.doc h1 { font-family: var(--display); font-weight: 400; font-size: clamp(36px, 4.4vw, 52px); line-height: 1.05; margin-bottom: 20px; }
.doc h2 { font-size: 28px; margin: 48px 0 14px; scroll-margin-top: 80px; }
.doc h3 { margin: 30px 0 10px; scroll-margin-top: 80px; }
.doc h4 { margin: 22px 0 8px; font-size: 15px; }
.doc p, .doc ul, .doc ol, .doc table, .doc pre, .doc blockquote, .doc figure { margin: 0 0 16px; }
.doc p, .doc li { color: var(--ink-2); }
.doc strong { color: var(--ink); }
.doc a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
.doc ul, .doc ol { padding-left: 22px; }
.doc li { margin: 4px 0; }
.doc code { font-family: var(--mono); font-size: 0.88em; background: var(--panel); border: 1px solid var(--line); border-radius: 3px; padding: 1px 5px; color: var(--ink); }
.doc pre { background: var(--ground-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; overflow-x: auto; }
.doc pre code { background: none; border: 0; padding: 0; font-size: 13px; line-height: 1.6; }
.doc table { width: 100%; border-collapse: collapse; font-size: 14px; display: block; overflow-x: auto; }
.doc th, .doc td { text-align: left; vertical-align: top; padding: 8px 12px; border-bottom: 1px solid var(--line); }
.doc th { color: var(--ink); font-weight: 600; background: var(--panel); }
.doc td { color: var(--ink-2); }
.doc blockquote { border-left: 2px solid var(--accent); background: var(--panel); padding: 12px 16px; color: var(--ink-2); border-radius: 0 var(--radius) var(--radius) 0; }
.doc figure { margin: 24px 0; }
.doc figure img { border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35); }
.doc figcaption { font-size: 13px; color: var(--muted); margin-top: 8px; }
.doc .lead { font-size: 18px; color: var(--ink-2); max-width: 62ch; }

.pager { display: flex; justify-content: space-between; gap: 16px; margin-top: 56px; padding-top: 20px; border-top: 1px solid var(--line); }
.pager a { color: var(--ink-2); text-decoration: none; font-size: 15px; }
.pager a:hover { color: var(--accent); }

.paths { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 16px; }
.path { border: 1px solid var(--line); background: var(--panel); border-radius: var(--radius); padding: 18px; }
.path h3 { margin: 0 0 8px; }
.path p { font-size: 14px; }
.doc ol.index { list-style: none; padding: 0; columns: 2; column-gap: 32px; }
.doc ol.index a { display: flex; gap: 12px; padding: 8px 0; text-decoration: none; color: var(--ink); border-bottom: 1px solid var(--line); }
.doc ol.index span { font-family: var(--mono); color: var(--muted); }

@media (max-width: 1100px) {
  .docs-layout { grid-template-columns: 220px minmax(0, 1fr); }
  .rail { display: none; }
}
@media (max-width: 760px) {
  .docs-layout { grid-template-columns: minmax(0, 1fr); padding: 0 16px; gap: 0; }
  .chapters { position: static; max-height: none; padding: 20px 0 0; border-bottom: 1px solid var(--line); }
  .chapters ol { display: none; }
  .docs-home { display: none; }
  .docs .top .wrap { padding: 0 16px; gap: 12px; }
  .paths { grid-template-columns: 1fr; }
  .doc ol.index { columns: 1; }
}