@import "mixins/mixins";
@import "common/var";
@import "common/transition";
@import "checkbox";

@include b(tree) {
    position: relative;
    cursor: default;
    background: $--color-white;
    color: $--tree-text-color;

    @include e(empty-block) {
        position: relative;
        min-height: 60px;
        text-align: center;
        width: 100%;
        height: 100%;
    }

    @include e(empty-text) {
        position: absolute;
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%);
        color: mix($--color-primary, rgb(158, 68, 0), 50%);
    }

    @include e(drop-indicator) {
        position: absolute;
        left: 0;
        right: 0;
        height: 1px;
        background-color: $--color-primary;
    }
}

@include b(tree-node) {
    white-space: nowrap;
    outline: none;
    &:focus { /* focus */
        > .el-tree-node__content {
            background-color: $--tree-node-hover-color;
        }
    }

    @include when(drop-inner) {
        > .el-tree-node__content .el-tree-node__label {
            background-color: $--color-primary;
            color: #fff;
        }
    }

    @include e(content) {
        display: flex;
        align-items: center;
        height: 26px;
        cursor: pointer;

        & > .el-tree-node__expand-icon {
            padding: 6px;
            display: flex;
            align-content: center;
        }
        & > .el-checkbox {
            margin-right: 8px;
        }
        &:hover {
            background-color: $--tree-node-hover-color;
        }

        .el-tree.is-dragging & {
            cursor: move;

            & * {
                pointer-events: none;
            }
        }

        .el-tree.is-dragging.is-drop-not-allow & {
            cursor: not-allowed;
        }
    }

    @include e(expand-icon) {
        cursor: pointer;
        color: $--tree-expand-icon-color;
        font-size: 12px;

        transform: rotate(0deg);
        transition: transform .3s ease-in-out;

        &.expanded {
            transform: rotate(90deg);
        }

        &.is-leaf {
            color: transparent;
            cursor: default;
        }
    }

    @include e(label) {
        font-size: $--font-size-base;
    }

    @include e(loading-icon) {
        margin-right: 8px;
        font-size: $--font-size-base;
        color: $--tree-expand-icon-color;
    }

    & > .el-tree-node__children {
        overflow: hidden;
        background-color: transparent;
    }

    &.is-expanded > .el-tree-node__children {
        display: block;
    }
}

.el-tree--highlight-current .el-tree-node.is-current > .el-tree-node__content {
    background-color: mix($--color-white, $--color-primary, 92%);
}