.docs-sidebar {
  grid-area: sidebar;
  position: sticky;
  top: 52px;
  height: calc(100vh - 52px);
  overflow-y: auto;
  padding: 2rem 0 3rem;
  border-right: 1px solid var(--border);
  scrollbar-width: thin;
  scrollbar-color: var(--border-hi) transparent;
}

.docs-sidebar::-webkit-scrollbar {
  width: 4px;
}

.docs-sidebar::-webkit-scrollbar-track {
  background: transparent;
}

.docs-sidebar::-webkit-scrollbar-thumb {
  background: var(--border-hi);
  border-radius: 2px;
}

.sidebar-group {
  margin-bottom: 0.25rem;
}

.sidebar-group-label {
  display: block;
  padding: 0.6rem 1.25rem 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.sidebar-link {
  display: block;
  padding: 0.35rem 1.25rem;
  font-size: 0.82rem;
  color: var(--text-dim);
  border-left: 2px solid transparent;
  transition: color 0.15s, border-color 0.15s;
}

.sidebar-link:hover {
  color: var(--text);
}

.sidebar-link.active {
  color: var(--text-bright);
  border-left-color: var(--accent);
  background: var(--bg-raised);
}