/* CAST docs pages: sidebar + article. Loaded after site.css, reuses its variables, header, buttons, code and footer. */

.nav a[aria-current="page"] { color: var(--cream); background: rgba(244, 241, 236, 0.06); }

.doc-layout { display: grid; grid-template-columns: 236px minmax(0, 1fr); gap: 56px; padding-top: 40px; padding-bottom: 96px; }

/* ---------- sidebar ---------- */
.toc { position: sticky; top: calc(var(--header-h) + 24px); align-self: start; max-height: calc(100vh - var(--header-h) - 48px); overflow: auto; font-size: 0.9rem; }
.toc > summary { display: none; }
.toc ul { list-style: none; margin: 0; padding: 0; }
.toc li { margin: 0; }
.toc a { display: block; padding: 6px 10px; border-radius: 8px; color: var(--muted); text-decoration: none; line-height: 1.35; }
.toc a:hover { color: var(--cream); background: rgba(244, 241, 236, 0.04); }
.toc > ul > li > a { color: var(--cream); font-weight: 600; }
.toc a[aria-current="page"] { background: rgba(245, 194, 107, 0.1); color: var(--lamp-2); }
.toc ul ul { margin: 2px 0 10px; border-left: 1px solid var(--line); margin-left: 10px; }
.toc ul ul a { padding: 4px 10px 4px 14px; font-size: 0.84rem; border-radius: 0 8px 8px 0; }
.toc ul ul a[aria-current="true"] { color: var(--lamp-2); box-shadow: inset 2px 0 0 var(--lamp); }

/* ---------- article ---------- */
.prose { max-width: 780px; min-width: 0; }
.prose > header { margin-bottom: 8px; }
.prose h1 { font-size: clamp(2rem, 3vw, 2.6rem); font-weight: 800; letter-spacing: -0.03em; }
.prose .lede { margin: 14px 0 0; font-size: 1.1rem; color: var(--muted); }
.prose h2 { font-size: 1.55rem; font-weight: 760; letter-spacing: -0.02em; margin: 56px 0 16px; padding-top: 28px; border-top: 1px solid var(--line); }
.prose h3 { font-size: 1.12rem; font-weight: 700; letter-spacing: -0.01em; margin: 32px 0 10px; }
.prose h2 + h3 { margin-top: 8px; }
.prose p, .prose li, .prose dd { color: #d6cfc3; }
.prose ul, .prose ol { margin: 0 0 1em; padding-left: 1.3em; }
.prose li { margin: 6px 0; }
.prose .downloads, .prose .dl-notes, .prose .doc-cards { padding-left: 0; }
.prose .downloads > li, .prose .doc-cards > li { margin: 0; }
.prose .dl h3 { margin: 0; }
.prose .dl-notes li { margin: 0; color: var(--muted); }
.table th code { white-space: nowrap; font-size: 0.95em; }
.table--wide table { min-width: 680px; }
.prose li::marker { color: var(--muted); }
.prose ol > li::marker { color: var(--lamp); font-weight: 650; }
.prose strong { color: var(--cream); }
.prose .code { margin: 12px 0 18px; }
.prose figure { margin: 24px 0; }
.prose figure img { border-radius: var(--radius); border: 1px solid var(--line-2); }
.prose figcaption { margin-top: 10px; font-size: 0.875rem; color: var(--muted); }
.version-note { margin-top: 18px; font-family: var(--mono); font-size: 0.75rem; letter-spacing: 0.04em; color: var(--muted); }

.table { overflow-x: auto; margin: 14px 0 22px; border: 1px solid var(--line); border-radius: var(--radius); }
.table table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
.table th, .table td { text-align: left; vertical-align: top; padding: 11px 14px; border-top: 1px solid var(--line); }
.table thead th { border-top: 0; background: var(--ink-2); font-size: 0.78rem; font-family: var(--mono); font-weight: 500; letter-spacing: 0.04em; text-transform: uppercase; color: var(--muted); }
.table td { color: #d6cfc3; }
.table td:first-child { color: var(--cream); font-weight: 600; }
.table code { white-space: nowrap; }
.table--wrap code { white-space: normal; }

.callout { margin: 18px 0 22px; padding: 14px 18px; border-left: 2px solid var(--lamp); background: rgba(245, 194, 107, 0.06); border-radius: 0 10px 10px 0; }
.callout p { margin: 0; }
.callout p + p { margin-top: 8px; }
.callout--warn { border-left-color: var(--claude); background: rgba(217, 119, 87, 0.08); }

/* ---------- overview cards ---------- */
.doc-cards { list-style: none; margin: 24px 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.doc-cards a {
  display: block; height: 100%; padding: 22px; border-radius: var(--radius); text-decoration: none;
  background: var(--ink-2); border: 1px solid var(--line); color: var(--cream); transition: border-color .2s, background-color .2s;
}
.doc-cards a:hover { border-color: rgba(245, 194, 107, 0.5); background: var(--ink-3); color: var(--cream); }
.doc-cards strong { display: block; font-size: 1.08rem; margin-bottom: 6px; }
.doc-cards span { display: block; font-size: 0.92rem; color: var(--muted); }
.quick { counter-reset: q; list-style: none; padding: 0 !important; display: grid; gap: 12px; }
.quick > li { counter-increment: q; position: relative; padding: 14px 18px 14px 58px; margin: 0; border-radius: var(--radius); background: var(--ink-2); border: 1px solid var(--line); }
.quick > li::before {
  content: counter(q); position: absolute; left: 16px; top: 14px; width: 28px; height: 28px; border-radius: 50%;
  display: grid; place-items: center; font-weight: 750; font-size: 0.9rem; color: var(--ink); background: var(--lamp);
}

/* ---------- prev / next ---------- */
.pager { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 14px; margin-top: 64px; padding-top: 28px; border-top: 1px solid var(--line); }
.pager a { display: block; padding: 16px 18px; border-radius: var(--radius); border: 1px solid var(--line-2); text-decoration: none; color: var(--cream); }
.pager a:hover { border-color: var(--lamp); color: var(--cream); }
.pager small { display: block; font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); margin-bottom: 4px; }
.pager__next { grid-column: 2; text-align: right; }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .doc-layout { grid-template-columns: minmax(0, 1fr); gap: 24px; padding-top: 20px; }
  .toc { position: static; max-height: none; border: 1px solid var(--line); border-radius: var(--radius); background: var(--ink-2); }
  .toc > summary { display: flex; align-items: center; justify-content: space-between; padding: 12px 16px; cursor: pointer; font-weight: 650; color: var(--cream); list-style: none; }
  .toc > summary::-webkit-details-marker { display: none; }
  .toc > summary::after { content: "▾"; color: var(--muted); transition: transform .2s; }
  .toc[open] > summary::after { transform: rotate(180deg); }
  .toc > ul { padding: 0 8px 12px; }
}
@media (max-width: 640px) {
  .prose h1 { font-size: 1.75rem; }
  .prose .lede { font-size: 0.9375rem; }
  .prose h2 { font-size: 1.3rem; margin-top: 44px; padding-top: 22px; }
  .prose h3 { font-size: 1rem; }
  .table table { font-size: 0.8125rem; }
  .table th, .table td { padding: 9px 11px; }
  .doc-cards { grid-template-columns: minmax(0, 1fr); }
  .pager { grid-template-columns: minmax(0, 1fr); }
  .pager__next { grid-column: 1; }
  .toc { font-size: 0.875rem; }
}