.collections-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.collection-row {
  display: flex;
  align-items: center;
  background: var(--bg-card);
  transition: background 0.15s ease;
}

.collection-row:not(:last-child) {
  border-bottom: 1px solid var(--border);
}

.collection-row:hover {
  background: var(--bg-secondary);
}

.collection-row-content {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  text-decoration: none;
  min-width: 0;
}

.collection-row-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(
    135deg,
    rgba(79, 70, 229, 0.1),
    rgba(168, 85, 247, 0.15)
  );
  color: var(--accent);
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
}

.collection-row:hover .collection-row-icon {
  background: linear-gradient(
    135deg,
    rgba(79, 70, 229, 0.15),
    rgba(168, 85, 247, 0.2)
  );
  transform: scale(1.05);
}

.collection-row-info {
  flex: 1;
  min-width: 0;
}

.collection-row-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 2px 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.collection-row:hover .collection-row-name {
  color: var(--accent);
}

.collection-row-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.collection-row-arrow {
  color: var(--text-tertiary);
  opacity: 0;
  transition: all 0.2s ease;
}

.collection-row:hover .collection-row-arrow {
  opacity: 1;
  color: var(--accent);
  transform: translateX(2px);
}

.collection-row-edit {
  padding: 10px;
  margin-right: 12px;
  color: var(--text-tertiary);
  background: none;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  opacity: 0;
  transition: all 0.15s ease;
}

.collection-row:hover .collection-row-edit {
  opacity: 1;
}

.collection-row-edit:hover {
  color: var(--text-primary);
  background: var(--bg-tertiary);
}

.collection-detail-header {
  display: flex;
  gap: 20px;
  padding: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: 32px;
  position: relative;
}

.collection-detail-icon {
  width: 56px;
  height: 56px;
  min-width: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(
    135deg,
    rgba(79, 70, 229, 0.1),
    rgba(168, 85, 247, 0.1)
  );
  color: var(--accent);
  border-radius: var(--radius-md);
}

.collection-detail-info {
  flex: 1;
  min-width: 0;
}

.collection-detail-visibility {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: capitalize;
  margin-bottom: 8px;
}

.collection-detail-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
  line-height: 1.3;
}

.collection-detail-desc {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.5;
  margin-bottom: 12px;
  max-width: 600px;
}

.collection-detail-stats {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-tertiary);
}

.collection-detail-actions {
  position: absolute;
  top: 20px;
  right: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.collection-detail-actions .share-menu-container {
  display: flex;
  align-items: center;
}

.collection-detail-actions .annotation-action {
  padding: 10px;
  color: var(--text-tertiary);
  background: none;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s ease;
}

.collection-detail-actions .annotation-action:hover {
  color: var(--accent);
  background: var(--bg-tertiary);
}

.collection-detail-edit,
.collection-detail-delete {
  padding: 10px;
  color: var(--text-tertiary);
  background: none;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s ease;
}

.collection-detail-edit:hover {
  color: var(--accent);
  background: var(--bg-tertiary);
}

.collection-detail-delete:hover {
  color: var(--error);
  background: rgba(239, 68, 68, 0.1);
}

.collection-item-wrapper {
  position: relative;
}

.collection-item-remove {
  position: absolute;
  top: 12px;
  left: -40px;
  z-index: 10;
  padding: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-tertiary);
  cursor: pointer;
  opacity: 0;
  transition: all 0.15s ease;
}

.collection-item-wrapper:hover .collection-item-remove {
  opacity: 1;
}

.collection-item-remove:hover {
  color: var(--error);
  border-color: var(--error);
  background: rgba(239, 68, 68, 0.05);
}

.collection-list-item {
  width: 100%;
  text-align: left;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  background: var(--bg-primary);
  border: 1px solid transparent;
  color: var(--text-primary);
  transition: all 0.15s ease;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
}

.collection-list-item:hover {
  background: var(--bg-hover);
  border-color: var(--border);
}

.collection-list-item:hover .collection-list-item-icon {
  opacity: 1;
}

.collection-list-item:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.item-delete-overlay {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 10;
  opacity: 0;
  transition: opacity 0.15s ease;
}

.card:hover .item-delete-overlay,
div:hover > .item-delete-overlay {
  opacity: 1;
}