/* Static knowledge-base page styles — extends knowledge-reader.css. */

.kb-static-body {
  background: var(--bg, #f7f8fc);
  min-height: 100vh;
}

.kb-static-topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--border, #e5e7eb);
}

.kb-static-main {
  padding: 1.5rem 0 3rem;
}

.kb-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  align-items: center;
  font-size: 0.86rem;
  color: var(--text-muted);
  margin-bottom: 0.85rem;
}

.kb-breadcrumb a {
  color: var(--primary-strong);
  text-decoration: none;
}

.kb-breadcrumb a:hover {
  text-decoration: underline;
}

.kb-breadcrumb-current {
  color: var(--text);
  font-weight: 500;
}

.kb-static-article {
  background: var(--surface, #fff);
  border: 1px solid var(--border, #e5e7eb);
  border-radius: 14px;
  padding: 1.25rem 1.4rem 1.6rem;
  margin-top: 0.5rem;
}

.kb-static-index {
  background: var(--surface, #fff);
  border: 1px solid var(--border, #e5e7eb);
  border-radius: 14px;
  padding: 1.25rem 1.4rem 1.6rem;
}

.kb-article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  align-items: center;
  margin-top: 0.55rem;
}

.kb-anchor {
  display: inline-block;
  width: 0.85em;
  margin-right: 0.25rem;
  opacity: 0;
  text-decoration: none;
  color: var(--text-faint);
  transition: opacity 120ms ease;
}

.kb-anchor::before {
  content: "#";
}

.kb-article-prose h2:hover .kb-anchor,
.kb-article-prose h3:hover .kb-anchor,
.kb-article-prose h4:hover .kb-anchor {
  opacity: 0.6;
}

.kb-math-display {
  margin: 1.2rem 0;
  overflow-x: auto;
  padding: 0.4rem 0;
}

.kb-math-fallback {
  font-family: "JetBrains Mono", monospace;
  background: var(--surface-alt);
  padding: 0.6rem;
  border-radius: 8px;
  font-size: 0.88rem;
}

.kb-mermaid-src {
  background: var(--surface-alt);
  border: 1px dashed var(--border);
  border-radius: 10px;
  padding: 0.6rem;
  text-align: center;
  font-size: 0.86rem;
  color: var(--text-muted);
}

.kb-mermaid-rendered {
  margin: 1.4rem 0;
  padding: 0.85rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  overflow-x: auto;
  text-align: center;
}

.kb-mermaid-rendered svg {
  max-width: 100%;
  height: auto;
}

.kb-prevnext {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
  margin: 2rem 0 1.4rem;
}

.kb-prevnext > a,
.kb-prevnext > span {
  display: block;
  padding: 0.85rem 1rem;
  border-radius: 12px;
  background: var(--surface-alt, #f3f4f6);
  border: 1px solid var(--border);
  text-decoration: none;
  color: var(--text);
  min-height: 3.6rem;
}

.kb-prevnext > a:hover {
  border-color: var(--border-strong);
  background: var(--primary-soft, #f0f3ff);
}

.kb-prev,
.kb-next {
  display: flex;
  flex-direction: column;
  gap: 0.18rem;
}

.kb-next {
  text-align: right;
}

.kb-prev-label {
  font-size: 0.78rem;
  color: var(--text-faint);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.kb-prev-title {
  font-size: 0.95rem;
  font-weight: 600;
}

.kb-sidelinks {
  margin-top: 1.6rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface-alt, #f8f9fb);
}

.kb-sidelinks-label {
  margin: 0 0 0.55rem;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-faint);
  font-weight: 700;
}

.kb-sidelinks ul {
  margin: 0;
  padding-left: 1.1rem;
  font-size: 0.92rem;
}

.kb-sidelinks a {
  color: var(--primary-strong);
  text-decoration: none;
}

.kb-sidelinks a:hover {
  text-decoration: underline;
}

.kb-static-toolbar {
  margin-bottom: 1rem;
}

.kb-back {
  margin-top: 1.4rem;
}

.kb-back a {
  color: var(--primary-strong);
  text-decoration: none;
}

@media print {
  .kb-static-topbar,
  .kb-toc,
  .kb-prevnext,
  .kb-sidelinks,
  .nav-links,
  .kb-breadcrumb,
  .back-link {
    display: none !important;
  }

  .kb-article-layout {
    grid-template-columns: 1fr !important;
  }

  .kb-static-main {
    padding: 0;
  }

  .kb-static-article,
  .kb-static-index {
    border: 0;
    padding: 0;
  }

  body {
    background: white;
    color: black;
  }

  pre,
  code {
    font-size: 0.78rem;
  }

  a[href]::after {
    content: " (" attr(href) ")";
    font-size: 0.78em;
    color: #555;
  }
}