@import '../custom.less';

@collapse-tag-name: r-collapse;
@collapse-panel-tag: r-collapse-panel;
@collapse-prefix-cls: ~'@{css-prefix}collapse';

@{collapse-tag-name} {
    display: block;
    background-color: @background-color-base;
    border-radius: @border-radius-base;
    border: @border-width-base @border-style-base @border-color-base;
}

@{collapse-panel-tag} {
    display: none;
    border-top: @border-width-base @border-style-base @border-color-base;

    &:first-child {
        border-top: 0;
    }

    > .@{collapse-prefix-cls}-header {
        height: 38px;
        line-height: 38px;
        padding-left: @padding-md;
        color: #666;
        cursor: pointer;
        position: relative;
        border-bottom: @border-width-base @border-style-base transparent;

        > i {
            transition: transform @transition-time @ease-in-out;
            margin-right: 14px;
        }
    }

    &.@{collapse-prefix-cls}-item-active > .@{collapse-prefix-cls}-header {
        border-bottom: @border-width-base @border-style-base @border-color-base;

        > i {
            transform: rotate(90deg);
        }
    }

    &:last-child {
        > .@{collapse-prefix-cls}-content {
            border-radius: 0 0 @border-radius-base @border-radius-base;
        }
    }
}

.@{collapse-prefix-cls} {
    &-simple,
    &-ghost {
        border-top: none;
        border-left: none;
        border-right: none;
        border-radius: 0;
    }

    &-simple > @{collapse-panel-tag}&-item-active > &-header,
    &-ghost > @{collapse-panel-tag}&-item-active > &-header {
        border-bottom: @border-width-base @border-style-base transparent;
    }

    &-content {
        display: none;
        overflow: hidden;
        color: @text-color;
        padding: 0 @padding-md;
        background-color: @white;

        & > &-box {
            padding-top: @padding-md;
            padding-bottom: @padding-md;
        }
    }

    &-simple > @{collapse-panel-tag} > &-content > &-content-box {
        padding-top: 0;
    }

    &-simple &-content {
        background-color: @background-color-base;
    }

    &-ghost {
        border-bottom: none;
    }

    &-ghost > @{collapse-panel-tag} {
        border-top: none;
    }

    &-ghost > @{collapse-panel-tag} > &-content > &-content-box {
        padding-top: 12px;
        padding-bottom: 12px;
    }

    &-ghost,
    &-ghost &-content {
        background-color: @white;
    }

    &-item-active > &-content {
        display: block;
    }
}