@import 'variables';
@import 'icon';
@import 'checkbox';

.c-tree,
.c-tree [role='group'] {
  margin-top: 0;
  margin-bottom: 0;
  padding-left: 0;
  list-style: none;
}

.c-tree {
  color: $--tree-text-color;
  font-size: $--tree-font-size;

  [role='treeitem'] {
    outline: none;
  }
}

.c-tree__content {
  display: flex;
  align-items: center;
  height: 32px;
  cursor: pointer;

  &:hover,
  [role='treeitem']:focus > & {
    background-color: $--tree-node-background-color;
  }
}

.c-tree__toggle,
.c-tree__custom-icon {
  flex-grow: 0;
  flex-shrink: 0;
  width: 14px;
  color: $--tree-icon-color;
}

.c-tree__toggle {
  margin-right: 8px;
  transition: transition(transform);

  [aria-expanded='true'] > .c-tree__content > & {
    transform: rotate(90deg);
  }

  [aria-busy='true'] > .c-tree__content > & {
    color: $--primary-color;
  }
}

.c-tree__custom-icon {
  margin-right: 10px;
}

.c-tree__content > .c-checkbox {
  margin-right: 10px;

  // checkbox 无内容时 label 仍存在，会出现多余的 padding
  > .c-checkbox__label {
    display: none;
  }
}

.c-tree__label {
  flex-grow: 1;
  transition: transition(color);

  [aria-selected='true'] > .c-tree__content > & {
    color: $--tree-active-text-color;
  }

  [aria-disabled='true'] > .c-tree__content > & {
    color: $--disabled-text-color;
  }
}

.c-tree [role='group'] {
  overflow: hidden;
  transition: transition(height);
}