/**
 * Leerling les-view: donkere sectie-sidebar (Leermiddelen Generator-stijl)
 * Gebruikt op /cursus/{slug}/les/{id}
 */
.lesson-view-sidebar {
  background: #1e293b;
  color: rgba(255, 255, 255, 0.9);
  min-height: 100vh;
}

.lesson-view-sidebar .accordion-button {
  background: transparent;
  color: rgba(255, 255, 255, 0.9);
  border: none;
  padding: 0.65rem 1rem;
}

.lesson-view-sidebar .accordion-button:not(.collapsed) {
  background: rgba(59, 130, 246, 0.2);
  color: #fff;
}

.lesson-view-sidebar .accordion-button::after {
  filter: brightness(0) invert(1);
}

.lesson-view-sidebar .accordion-item {
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.lesson-view-sidebar .list-group-item {
  background: transparent;
  border: none;
  color: rgba(255, 255, 255, 0.7);
  padding: 0.5rem 1rem 0.5rem 2rem;
}

.lesson-view-sidebar .list-group-item:hover {
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.95);
}

.lesson-view-sidebar .list-group-item.active {
  background: rgba(59, 130, 246, 0.25);
  color: #fff;
  border-left: 3px solid #3b82f6;
}

.lesson-view-sidebar .btn-outline-secondary {
  border-color: rgba(255, 255, 255, 0.3);
  color: rgba(255, 255, 255, 0.9);
}

.lesson-view-sidebar .btn-outline-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.5);
  color: #fff;
}

.lesson-view-sidebar h5 {
  color: #fff;
}

/* Pagina-indicator en navigatie (Vorige/Volgende) */
.lesson-view-pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 1rem 0;
  border-top: 1px solid var(--color-neutral-200, #e2e8f0);
}

.lesson-view-pagination__page {
  font-size: 0.9375rem;
  color: var(--color-neutral-500, #64748b);
}

@media (min-width: 992px) {
  .lesson-view-sidebar.col-lg-3 {
    padding-left: 0;
    padding-right: 0;
  }
}