/* ===================== DOC PAGES =====================
   Loaded after styles.css, so all :root tokens are available.
   Covers the documentation portal (docs.html) and the rendered
   markdown pages (docs/**, README and the project set). */

/* ---- Portal index ---- */
.portal { padding: 64px 0 96px; }
.portal__head { max-width: 760px; }
.portal__group { margin-top: 56px; }
.portal__group > h2 {
  font-size: 1.35rem; letter-spacing: -.01em; margin: 0 0 4px;
  display: flex; align-items: center; gap: 12px;
}
.portal__group > p { margin: 0 0 22px; color: var(--muted); }
.doc-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.doc-card {
  display: block; padding: 22px 22px; border-radius: var(--radius);
  background: var(--surface); border: 1px solid var(--border);
  transition: transform .15s, border-color .2s, background .2s;
}
.doc-card:hover { transform: translateY(-3px); border-color: var(--violet); background: var(--surface-2); }
.doc-card__k { font-family: var(--mono); font-size: .76rem; color: var(--cyan); font-weight: 600; }
.doc-card h3 { margin: 8px 0 7px; font-size: 1.08rem; color: var(--text); }
.doc-card p { margin: 0; color: var(--muted); font-size: .92rem; }
.doc-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.doc-list a {
  display: flex; gap: 10px; align-items: baseline;
  padding: 12px 15px; border-radius: 11px; font-size: .9rem;
  background: var(--surface); border: 1px solid var(--border); color: var(--muted);
  transition: border-color .2s, color .2s, background .2s;
}
.doc-list a:hover { border-color: var(--violet); color: var(--text); background: var(--surface-2); }
.doc-list a b { color: var(--cyan); font-family: var(--mono); font-size: .8rem; font-weight: 600; flex: none; }

/* ---- Rendered doc layout ---- */
.doc-shell { max-width: 1240px; margin: 0 auto; padding: 0 24px; display: grid; grid-template-columns: 240px minmax(0, 1fr) 220px; gap: 40px; }
.doc-side { position: sticky; top: 72px; align-self: start; max-height: calc(100vh - 96px); overflow-y: auto; padding: 28px 0; }
.doc-side h4 { font-size: .7rem; text-transform: uppercase; letter-spacing: .14em; color: var(--muted-2); margin: 18px 0 8px; }
.doc-side h4:first-child { margin-top: 0; }
.doc-side a { display: block; padding: 5px 10px; border-radius: 7px; font-size: .87rem; color: var(--muted); border-left: 2px solid transparent; }
.doc-side a:hover { color: var(--text); background: rgba(255,255,255,.03); }
.doc-side a.active { color: var(--text); border-left-color: var(--violet); background: rgba(129,140,248,.08); }

.doc-toc { position: sticky; top: 72px; align-self: start; max-height: calc(100vh - 96px); overflow-y: auto; padding: 28px 0; font-size: .84rem; }
.doc-toc h4 { font-size: .7rem; text-transform: uppercase; letter-spacing: .14em; color: var(--muted-2); margin: 0 0 10px; }
.doc-toc ul { list-style: none; margin: 0; padding: 0; }
.doc-toc li { margin: 0; }
.doc-toc a { display: block; padding: 4px 0 4px 12px; color: var(--muted-2); border-left: 2px solid var(--border); line-height: 1.4; }
.doc-toc a:hover { color: var(--text); border-left-color: var(--violet); }
.doc-toc .toc-h3 a { padding-left: 24px; font-size: .8rem; }
.doc-toc .toc-h4 { display: none; }

/* ---- Prose ---- */
.doc-main { padding: 36px 0 96px; min-width: 0; }
.doc-breadcrumb { font-size: .85rem; color: var(--muted-2); margin-bottom: 18px; }
.doc-breadcrumb a { color: var(--muted); }
.doc-breadcrumb a:hover { color: var(--text); }
.prose { color: #cdd4e4; line-height: 1.72; font-size: 1rem; }
.prose > :first-child { margin-top: 0; }
.prose h1 { font-size: 2rem; line-height: 1.2; letter-spacing: -.02em; color: var(--text); margin: 0 0 8px; }
.prose h2 { font-size: 1.5rem; letter-spacing: -.01em; color: var(--text); margin: 2.2em 0 .6em; padding-top: .4em; border-top: 1px solid var(--border); }
.prose h3 { font-size: 1.2rem; color: var(--text); margin: 1.8em 0 .5em; }
.prose h4 { font-size: 1.02rem; color: var(--text); margin: 1.5em 0 .5em; }
.prose h2 a.headerlink, .prose h3 a.headerlink { opacity: 0; margin-left: 8px; color: var(--violet); text-decoration: none; font-weight: 400; }
.prose h2:hover a.headerlink, .prose h3:hover a.headerlink { opacity: 1; }
.prose p { margin: 0 0 1.1em; }
.prose a { color: #8fb6ff; text-decoration: none; border-bottom: 1px solid rgba(143,182,255,.3); }
.prose a:hover { border-bottom-color: #8fb6ff; }
.prose strong { color: var(--text); }
.prose ul, .prose ol { margin: 0 0 1.1em; padding-left: 1.4em; }
.prose li { margin: .3em 0; }
.prose blockquote {
  margin: 1.2em 0; padding: 2px 20px; color: var(--muted);
  border-left: 3px solid var(--violet); background: rgba(129,140,248,.06);
  border-radius: 0 8px 8px 0;
}
.prose hr { border: none; border-top: 1px solid var(--border); margin: 2em 0; }
.prose code { font-family: var(--mono); font-size: .86em; background: rgba(129,140,248,.12); border: 1px solid rgba(129,140,248,.2); padding: .08em .4em; border-radius: 6px; color: #c7d0ff; }
/* Long inline-code identifiers (dotted step types, file paths, …) must wrap
   rather than force horizontal scrolling on narrow screens; fenced code
   blocks (pre > code) keep their own overflow-x handling untouched below. */
.prose :not(pre) > code { white-space: normal; overflow-wrap: break-word; }
.prose pre { margin: 1.3em 0; padding: 18px 20px; background: #0a0e18; border: 1px solid var(--border); border-radius: 12px; overflow-x: auto; }
.prose pre code { background: none; border: none; padding: 0; color: #c9d2e8; font-size: .85rem; line-height: 1.6; }
.prose table { width: 100%; border-collapse: collapse; margin: 1.3em 0; font-size: .92rem; display: block; overflow-x: auto; }
.prose th, .prose td { text-align: left; padding: 9px 14px; border: 1px solid var(--border); }
.prose th { background: var(--surface-2); color: var(--text); font-weight: 600; }
.prose tr:nth-child(even) td { background: rgba(255,255,255,.02); }
.prose img { max-width: 100%; border-radius: 10px; }
.mermaid { margin: 1.4em 0; text-align: center; }

@media (max-width: 1080px) {
  .doc-shell { grid-template-columns: 220px minmax(0,1fr); }
  .doc-toc { display: none; }
}
@media (max-width: 820px) {
  .doc-shell { grid-template-columns: 1fr; gap: 0; }
  .doc-side { display: none; }
  .doc-cards, .doc-list { grid-template-columns: 1fr; }
}