/* ============================================================
   Docs inner layout (sidebar + content + TOC)
   ============================================================ */

.docs-layout {
  display: grid;
  grid-template-columns: var(--sidebar-w) minmax(0, 1fr) var(--toc-w);
  gap: 0;
  max-width: var(--container-max);
  margin: 0 auto;
  align-items: start;
}

/* ---------- Sidebar ---------- */
.docs-sidebar {
  position: sticky;
  top: var(--topbar-h);
  height: calc(100vh - var(--topbar-h));
  overflow-y: auto;
  padding: 24px 16px 32px 24px;
  border-right: 1px solid var(--color-border);
  font-size: 14px;
}
.sidebar-group { margin-bottom: 20px; }
.sidebar-group-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 6px 10px;
  margin-bottom: 2px;
}
.sidebar-group ul { list-style: none; padding: 0; margin: 0; }
.sidebar-group li { margin: 0; }
.sidebar-group a {
  display: block;
  padding: 6px 10px;
  color: var(--color-text-soft);
  border-radius: var(--radius-sm);
  border-left: 2px solid transparent;
  font-weight: 500;
  line-height: 1.4;
}
.sidebar-group a:hover { background: var(--color-bg-soft); color: var(--color-text); }
.sidebar-group a.active {
  color: var(--color-brand);
  background: var(--color-brand-soft);
  border-left-color: var(--color-brand);
}

/* Scrollbar polish */
.docs-sidebar::-webkit-scrollbar { width: 6px; }
.docs-sidebar::-webkit-scrollbar-thumb { background: var(--color-border-strong); border-radius: 3px; }
.docs-sidebar::-webkit-scrollbar-track { background: transparent; }

/* ---------- Content ---------- */
.docs-content {
  padding: 40px 40px 80px;
  max-width: var(--content-max);
  min-width: 0;
}
.docs-content > :first-child { margin-top: 0; }

.breadcrumb {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 10px;
}
.breadcrumb a { color: var(--color-text-muted); }
.breadcrumb a:hover { color: var(--color-brand); }
.breadcrumb span.sep { margin: 0 6px; }

.doc-meta {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
}

/* Anchor links on headings */
.docs-content h2, .docs-content h3 { scroll-margin-top: calc(var(--topbar-h) + 16px); }
.heading-anchor {
  opacity: 0;
  margin-left: 8px;
  color: var(--color-text-muted);
  font-weight: 400;
  transition: opacity 0.15s;
}
.docs-content h2:hover .heading-anchor,
.docs-content h3:hover .heading-anchor { opacity: 1; }

/* Prev / Next nav */
.page-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}
.page-nav a {
  display: block;
  padding: 14px 18px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color 0.15s, background 0.15s;
  color: var(--color-text);
}
.page-nav a:hover { border-color: var(--color-brand); background: var(--color-brand-soft); }
.page-nav .label { font-size: 12px; color: var(--color-text-muted); display: block; margin-bottom: 2px; }
.page-nav .title { font-weight: 600; }
.page-nav .next { text-align: right; }
.page-nav a.disabled { opacity: 0.4; pointer-events: none; }

/* ---------- TOC ---------- */
.docs-toc {
  position: sticky;
  top: var(--topbar-h);
  height: calc(100vh - var(--topbar-h));
  overflow-y: auto;
  padding: 40px 20px 32px 4px;
  font-size: 13px;
}
.toc-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.toc-list { list-style: none; padding: 0; margin: 0; border-left: 1px solid var(--color-border); }
.toc-list a {
  display: block;
  padding: 4px 12px;
  color: var(--color-text-muted);
  border-left: 2px solid transparent;
  margin-left: -1px;
  line-height: 1.4;
}
.toc-list a:hover { color: var(--color-text); }
.toc-list a.active { color: var(--color-brand); border-left-color: var(--color-brand); }
.toc-list .toc-h3 { padding-left: 24px; font-size: 12.5px; }

/* ---------- Mobile ---------- */
@media (max-width: 1120px) {
  .docs-layout { grid-template-columns: var(--sidebar-w) minmax(0, 1fr); }
  .docs-toc { display: none; }
}
@media (max-width: 860px) {
  .docs-layout { grid-template-columns: 1fr; }
  .docs-sidebar {
    position: fixed;
    top: var(--topbar-h);
    left: 0;
    width: 280px;
    background: var(--color-bg);
    border-right: 1px solid var(--color-border);
    transform: translateX(-100%);
    transition: transform 0.25s;
    z-index: 40;
    padding: 20px 16px;
    box-shadow: var(--shadow-lg);
  }
  .docs-sidebar.open { transform: translateX(0); }
  .docs-content { padding: 28px 20px 60px; }
  .sidebar-backdrop {
    position: fixed;
    inset: var(--topbar-h) 0 0 0;
    background: rgba(0,0,0,0.3);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s;
    z-index: 35;
  }
  .sidebar-backdrop.show { opacity: 1; pointer-events: auto; }
}

/* ---------- API reference blocks ---------- */
.api-endpoint {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--color-bg-soft);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: 13px;
  margin: 16px 0;
  overflow-x: auto;
}
.http-method {
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  letter-spacing: 0.03em;
}
.http-method.get    { background: #e0f2fe; color: #0369a1; }
.http-method.post   { background: #dcfce7; color: #15803d; }
.http-method.put    { background: #fef3c7; color: #a16207; }
.http-method.delete { background: #fee2e2; color: #b91c1c; }
[data-theme="dark"] .http-method.get    { background: #0d2636; color: #7cc5f0; }
[data-theme="dark"] .http-method.post   { background: #0f2418; color: #6fd18a; }
[data-theme="dark"] .http-method.put    { background: #2a1e0b; color: #f0c46e; }
[data-theme="dark"] .http-method.delete { background: #2c0e0e; color: #f08080; }

.tabs { margin: 16px 0; }
.tab-head { display: flex; gap: 2px; border-bottom: 1px solid var(--color-border); }
.tab-head button {
  background: transparent;
  border: 0;
  padding: 8px 14px;
  font-family: inherit;
  font-size: 13px;
  color: var(--color-text-soft);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}
.tab-head button.active { color: var(--color-brand); border-bottom-color: var(--color-brand); }
.tab-body > .tab-pane { display: none; }
.tab-body > .tab-pane.active { display: block; }

/* Param table */
.param-table th:first-child, .param-table td:first-child { width: 160px; }
.param-table td:nth-child(2) { color: var(--color-text-muted); font-family: var(--font-mono); font-size: 12.5px; }
.badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  padding: 1px 7px;
  border-radius: 999px;
  margin-left: 6px;
  vertical-align: middle;
}
.badge.required { background: #fee2e2; color: #b91c1c; }
.badge.optional { background: var(--color-bg-soft); color: var(--color-text-muted); border: 1px solid var(--color-border); }
[data-theme="dark"] .badge.required { background: #3a1515; color: #f87171; }