.treeView {
  margin: 0;
  padding: 0;
  list-style: none;
}

.treeItem {
  list-style: none;
}

.treeItemContent {
  display: flex;
  align-items: center;
  padding: 8px 8px;
  cursor: pointer;
  border-radius: var(--radius-sm, 4px);
  transition: background-color 0.15s ease;
  user-select: none;
  min-height: 40px;

  &:hover:not(.disabled) {
    background-color: var(--action-hover, rgba(0, 0, 0, 0.04));
  }

  &:focus {
    outline: 2px solid var(--primary-main, #1976d2);
    outline-offset: -2px;
  }

  &.selected {
    background-color: var(--primary-selected, rgba(25, 118, 210, 0.12));
    
    &:hover {
      background-color: var(--primary-selected-hover, rgba(25, 118, 210, 0.2));
    }
  }

  &.disabled {
    opacity: 0.5;
    cursor: not-allowed;
  }

  &.dense {
    padding: 4px 8px;
    min-height: 32px;
  }
}

.treeItemIcon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  margin-right: 4px;
  flex-shrink: 0;
  color: var(--text-secondary, rgba(0, 0, 0, 0.6));
  cursor: pointer;
  border-radius: 50%;
  transition: background-color 0.15s ease;

  &:hover {
    background-color: var(--action-hover, rgba(0, 0, 0, 0.04));
  }

  svg {
    transition: transform 0.2s ease;
  }
}

.treeItemIconPlaceholder {
  width: 24px;
  height: 24px;
  margin-right: 4px;
  flex-shrink: 0;
}

.treeItemNodeIcon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  margin-right: 8px;
  flex-shrink: 0;
  color: var(--text-secondary, rgba(0, 0, 0, 0.6));
}

.treeItemLabel {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 0.875rem;
  line-height: 1.43;
  color: var(--text-primary, rgba(0, 0, 0, 0.87));
}

.treeItemChildren {
  margin: 0;
  padding: 0;
  list-style: none;
}

// Dark mode support
:global(.dark) {
  .treeItemContent {
    &:hover:not(.disabled) {
      background-color: var(--action-hover-dark, rgba(255, 255, 255, 0.08));
    }

    &.selected {
      background-color: var(--primary-selected-dark, rgba(144, 202, 249, 0.16));

      &:hover {
        background-color: var(--primary-selected-hover-dark, rgba(144, 202, 249, 0.24));
      }
    }
  }

  .treeItemIcon {
    color: var(--text-secondary-dark, rgba(255, 255, 255, 0.7));

    &:hover {
      background-color: var(--action-hover-dark, rgba(255, 255, 255, 0.08));
    }
  }

  .treeItemNodeIcon {
    color: var(--text-secondary-dark, rgba(255, 255, 255, 0.7));
  }

  .treeItemLabel {
    color: var(--text-primary-dark, #fff);
  }
}