/**
 * single-article-toc.css — TOC component only (v1.11.6)
 * Scoped strictly to .gtt-toc-accordion — do not reuse for other sidebar panels.
 */

body.gtt-article-page .gtt-toc-accordion {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.22);
}

body.gtt-article-page .gtt-toc-accordion.glass-panel {
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.22);
}

body.gtt-article-page .gtt-toc-accordion .gtt-sidebar-accordion__trigger,
body.gtt-article-page .gtt-toc-accordion #gtt-toc-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  width: 100%;
  padding: 0.875rem 1rem;
  margin: 0;
  background: transparent !important;
  background-color: transparent !important;
  color: var(--text-primary) !important;
  border: none !important;
  border-bottom: 1px solid var(--border-subtle) !important;
  border-radius: 0 !important;
  outline: none !important;
  box-shadow: none !important;
  -webkit-appearance: none;
  appearance: none;
  cursor: pointer;
  font-size: 0.8125rem;
  font-weight: 600;
  font-family: inherit;
  text-transform: none;
  letter-spacing: 0.01em;
  text-align: left;
  line-height: 1.3;
  transition: color 0.2s ease, background-color 0.2s ease;
}

body.gtt-article-page .gtt-toc-accordion .gtt-sidebar-accordion__trigger:hover {
  background: rgba(255, 255, 255, 0.04) !important;
  color: var(--text-primary) !important;
}

body.gtt-article-page .gtt-toc-accordion .gtt-sidebar-accordion__trigger:focus,
body.gtt-article-page .gtt-toc-accordion .gtt-sidebar-accordion__trigger:focus-visible,
body.gtt-article-page .gtt-toc-accordion #gtt-toc-toggle:focus,
body.gtt-article-page .gtt-toc-accordion #gtt-toc-toggle:focus-visible {
  outline: none !important;
  box-shadow: none !important;
  border: none !important;
  border-bottom: 1px solid var(--border-subtle) !important;
}

body.gtt-article-page .gtt-toc-accordion .gtt-sidebar-accordion__trigger[aria-expanded="true"] {
  color: var(--text-primary) !important;
  border-bottom-color: transparent !important;
}

body.gtt-article-page .gtt-toc-accordion .gtt-accordion-icon {
  color: var(--text-tertiary);
  opacity: 0.75;
  transition: transform 0.2s ease, color 0.2s ease, opacity 0.2s ease;
  flex-shrink: 0;
}

body.gtt-article-page .gtt-toc-accordion .gtt-sidebar-accordion__trigger:hover .gtt-accordion-icon {
  color: var(--text-secondary);
  opacity: 1;
}

body.gtt-article-page .gtt-toc-accordion .gtt-sidebar-accordion__trigger[aria-expanded="false"] .gtt-accordion-icon {
  transform: rotate(-90deg);
}

body.gtt-article-page .gtt-toc-accordion .gtt-sidebar-accordion__panel {
  display: none;
  background: transparent !important;
  padding: 0.375rem 0.5rem 0.75rem;
}

body.gtt-article-page .gtt-toc-accordion .gtt-sidebar-accordion__panel.is-open {
  display: block;
}

body.gtt-article-page .gtt-toc-accordion .gtt-toc-nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

body.gtt-article-page .gtt-toc-accordion .gtt-toc-item {
  margin: 0;
}

body.gtt-article-page .gtt-toc-accordion .gtt-toc-item a {
  display: block;
  padding: 0.5rem 0.75rem;
  margin: 0.125rem 0;
  border-radius: 6px;
  font-size: 0.8125rem;
  line-height: 1.45;
  color: var(--text-tertiary);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

body.gtt-article-page .gtt-toc-accordion .gtt-toc-item a:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
  border-left-color: rgba(255, 255, 255, 0.12);
  transform: none;
  padding-left: 0.75rem;
}

body.gtt-article-page .gtt-toc-accordion .gtt-toc-item a.is-active {
  color: var(--green-500);
  font-weight: 600;
  background: var(--green-muted);
  border-left-color: var(--green-500);
}

body.gtt-article-page .gtt-toc-accordion .gtt-toc-item--h3 a {
  padding-left: 1.25rem;
  font-size: 0.75rem;
  color: var(--text-tertiary);
  opacity: 0.9;
}

body.gtt-article-page .gtt-toc-accordion .gtt-toc-item--h3 a:hover {
  color: var(--text-primary);
  padding-left: 1.25rem;
  opacity: 1;
}

html[data-theme="light"] body.gtt-article-page .gtt-toc-accordion .gtt-toc-item a:hover {
  background: rgba(15, 23, 42, 0.04);
  border-left-color: rgba(15, 23, 42, 0.12);
}

html[data-theme="light"] body.gtt-article-page .gtt-toc-accordion .gtt-sidebar-accordion__trigger:hover {
  background: rgba(15, 23, 42, 0.04) !important;
}