//##############################################################################
// STRUCTURE
@use "sass:math";

.cms-droppable {
    position: relative;
    z-index: z(structure, content, droppable);
    line-height: 0;
    height: 0;
    min-height: 0;
    box-shadow: 0 0 0 2px $color-primary;
    transform: translateY(2px);
    .cms-draggable + & {
        transform: translateY(-2px);
    }
    &:before {
        content: "";
        position: absolute;
        top: -8px;
        inset-inline-start: -4px;
        width: 0;
        height: 0;
        border-top: 8px solid transparent;
        border-bottom: 8px solid transparent;
        border-inline-start: 8px solid $color-primary;
    }
}
.cms-draggables > .cms-droppable:first-child {
    transform: translateY(-2px);
}
.cms-draggables > .cms-droppable:only-child {
    transform: translateY(2px);
}

.cms-structure {
    display: none;
    position: fixed;
    top: 0;
    overflow: hidden;
    z-index: z(structure, base);
    width: 100%;
    height: 100%;
    background: $structure-bgcolor;

    .cms-structure-content {
        position: relative;
        overflow-y: scroll;
        top: 0;
        left: 0;
        padding: $toolbar-height 5%;
        z-index: z(structure, content, base);
        width: 100%;
        height: 100%;
        user-select: none;
        transform: translateZ(0);

        -webkit-overflow-scrolling: touch;

        @media (max-width: 480px) {
            padding-right: 0;
            padding-left: 0;
        }
    }

    //###########################################################
    // #DRAGAREA#
    // basically a cms placeholder representation
    .cms-dragarea {
        position: static;
        max-width: $structure-max-width;
        margin: $structure-dragarea-margin-vertical auto;
        padding: $structure-dragarea-padding $structure-dragarea-padding-horizontal;
    }

    .cms-dragbar .cms-submenu-item-highlight {
        display: none;
    }

    .cms-dragarea-static {
        > .cms-draggables {
            display: none;
        }
        > .cms-dragbar > .cms-btn {
            display: none;
        }
        .cms-dragarea-static-icon {
            position: relative;
            top: 2px;
        }
    }
    .cms-dragarea-static-expanded {
        > .cms-draggables {
            display: block;
        }
        > .cms-dragbar > .cms-btn {
            display: block;
        }
    }

    //###########################################################
    // #DRAGBAR#
    //
    // Placeholder box title
    .cms-dragbar {
        position: relative;
        top: 0;
        left: 0;
        font-size: $font-size-normal;
        line-height: $line-height-normal;
        padding-inline-start: $border-radius-normal + 2px;
        border-radius: $border-radius-base;

        .cms-dragbar-title {
            display: block;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            position: relative;
            color: $structure-dragbar-color;
            font-size: $font-size-large;
            font-weight: bold;
            line-height: $structure-dragbar-height;
            height: $structure-dragbar-height;
            margin-inline-end: $submenu-icon-area-size * 2 + 25px;
        }
        .cms-dragbar-toggler {
            position: absolute;
            inset-inline-end: 0;
            background-image: linear-gradient(to right, rgba($structure-bgcolor, 0) 0, $structure-bgcolor 40px);
            padding-inline-start: 50px;
            font-weight: normal;
            text-transform: uppercase;
            margin-inline-start: 30px;
            cursor: pointer;
            a {
                color: $btn-default-color !important;
                font-size: $font-size-small !important;
                &:hover {
                    color: $btn-default-color !important;
                    filter: brightness(0.9);
                }
            }
        }
        .cms-dragbar-collapse-all {
            display: none;
        }
        .cms-dragbar-expand-all {
            display: inline;
        }
        .cms-dragbar-title-expanded {
            .cms-dragbar-collapse-all {
                display: inline;
            }
            .cms-dragbar-expand-all {
                display: none;
            }
        }
    }

    // #DRAGBAR/empty#
    .cms-dragbar-empty {
        font-size: $font-size-small;
        text-transform: uppercase;
        padding-top: 0;
        padding-bottom: 0;
    }

    .cms-dragarea-empty {
        .cms-dragbar-empty-wrapper {
            display: block !important;
        }
        .cms-dragbar-toggler {
            display: none;
        }
    }

    //###########################################################
    // #DRAGITEM#
    .cms-draggables {
        margin: 0;
        padding: 0;
        list-style-type: none;
    }
    .cms-draggables.cms-hidden {
        display: none !important;
    }
    .cms-draggables .cms-draggables {
        padding-inline-start: $structure-draggable-inner-padding;
    }
    .cms-dragarea-empty .cms-draggables-root {
        position: relative;
        min-height: 50px;
        border: 2px solid $btn-default-border;
        border-radius: $border-radius-base;
    }

    // #DRAGGABLES/general#
    .cms-draggable {
        display: block !important; // fixes hide/show with jqueryui so the scroll doesn't jump
        top: 0;
        left: 0;
        white-space: nowrap;
        margin-left: 0 !important;
        padding: 0;
        border-radius: $border-radius-base;
        list-style-type: none;

        -ms-touch-action: none;
        touch-action: none;

        // levels
        .cms-draggable {
            border-color: $gray-lighter;
            &:hover {
                border-color: $gray-light;
            }
        }

        // menu overwrites
        .cms-submenu-dropdown-top {
            top: $structure-dragitem-height + $structure-dragarea-padding * 2;
        }
        .cms-submenu-dropdown-bottom {
            bottom: $structure-dragitem-height + $structure-dragarea-padding * 2;
        }

        .cms-dragitem {
            line-height: $structure-dragitem-height;
            border: 2px solid $structure-bgcolor;
        }
        .cms-dragitem-text {
            display: block;
            position: relative;
            overflow: hidden;
            white-space: nowrap;
            text-overflow: ellipsis;
            margin-inline-end: $submenu-icon-area-size * 3 + $submenu-right * 4;
            padding: $structure-dragarea-padding $structure-dragarea-padding-horizontal;
        }
        .cms-dragitem-collapsable .cms-dragitem-text {
            padding-inline-start: $structure-dragitem-icon-space;
        }
    }

    .cms-collapsable-container.cms-hidden > .cms-draggable {
        display: none !important;
    }

    .cms-draggable-success {
        position: relative;
    }

    .cms-draggables-empty {
        display: none;
    }
    .cms-dragarea-empty {
        .cms-droppable {
            position: absolute;
            top: -1px;
            right: -1px;
            bottom: -1px;
            left: -1px;
            z-index: z(structure, content, empty, droppable);
            color: $gray;
            line-height: $structure-dragitem-height;
            height: auto;
            margin: 0;
            border: 2px solid $color-primary;
            border-radius: $border-radius-base;
            background-color: rgba($color-primary-fallback, 20%);
            box-shadow: none;
            transform: translateY(0) !important;
            &:before {
                display: none;
            }
            &.cms-draggable-disallowed {
                border: 2px solid saturate($color-danger, 80%);
                background: rgba($color-danger, 0.1);
            }
        }
        .cms-draggables-empty {
            display: block;
            position: absolute;
            top: 0;
            right: 0;
            bottom: 0;
            left: 0;
            z-index: z(structure, content, empty, empty);
            color: $gray;
            line-height: 44px;
            padding-inline-start: 20px;
        }
        > .cms-draggables-root > .cms-add-plugin-placeholder {
            position: absolute;
            right: 0;
            left: 0;
            height: 50px;
            margin: -2px;
        }
    }

    // #DRAGGABLES/specific#
    .cms-draggable {
        color: $black;
    }
    .cms-draggable-is-dragging {
        z-index: z(default);
        width: $structure-draggable-width-while-dragging !important;
        height: $structure-dragitem-fullheight !important;
        border-radius: 0;
        transform: translateZ(0);
        .cms-dragitem {
            color: $white !important;
            border: none;
            border-radius: 0;
            background-color: $color-primary !important;
            background-image: none !important;
            &:before {
                display: none;
                color: $white;
            }
            .cms-draggables {
                display: none;
            }
            .cms-dragitem-text {
                padding-inline-start: $structure-dragarea-padding-horizontal;
            }
        }
        .cms-dragitem-text {
            margin-inline-end: 0;
        }
        &.cms-draggable-from-clipboard .cms-dragitem-text {
            margin-inline-end: $padding-large;
        }
        &.cms-draggable-disabled > .cms-draggable {
            display: none !important;
        }
    }
    .cms-draggable-stack {
        overflow: hidden;
        height: $structure-dragitem-fullheight !important;
        box-shadow: 1px 1px 1px rgba($black, 0.2),
            4px 4px 0 0 $color-primary;
    }

    .cms-dragable:not(.cms-draggable-disabled) .cms-dragitem {
        cursor: move;
    }
    .cms-dragitem {
        position: relative;
        border-radius: $border-radius-normal;
        background: $white;
        @if ($structure-dragarea-use-background == 1) {
            background-image: url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAABCCAAAAAB73glBAAAAAnRSTlMAAHaTzTgAAAAeSURBVHgBY7gCBgxAAGHRRoAKYOi5dNSloy4ddSkA3VChcDH0cxcAAAAASUVORK5CYII=");
            background-repeat: no-repeat;
            background-position: 10px 50%;
            background-size: 8px 33px;
        }
        &:hover {
            box-shadow: inset 0 0 0 1px $gray-light;
        }
    }
    .cms-drag-disabled .cms-dragitem:hover {
        box-shadow: inherit;
    }
    .cms-dragitem-collapsable {
        @include icon(arrow-wide);
        &:before {
            @extend %icon;
            position: absolute;
            top: 50%;
            inset-inline-start: $structure-dragitem-icon-space - $structure-dragarea-padding-horizontal - 10px;
            color: $submenu-icon-color;
            font-size: $structure-dragitem-icon-size;
            margin-top: math.div(-$structure-dragitem-icon-size, 2);
            margin-inline-start: $structure-dragarea-padding-horizontal - 10px;
            cursor: pointer;
            transform: rotate(180deg);
            &:dir(rtl) {
                transform: rotate(0deg);
            }
        }
        .cms-dragitem-text {
            cursor: pointer;
        }
    }
    .cms-dragitem-expanded:before {
        transform: rotate(-90deg);
        &:dir(rtl) {
            transform: rotate(-90deg);
        }
    }
    // #DRAGGABLES/states#

    .cms-draggable-selected .cms-dragitem,
    .cms-draggable-selected .cms-dragitem strong {
        color: adjust-hue($color-primary-fallback, 15deg);
    }
    .cms-draggable-selected .cms-draggable .cms-dragitem,
    .cms-draggable-selected .cms-draggable .cms-dragitem strong {
        color: $black;
    }

    .cms-draggable-allowed,
    .cms-draggable-hover-allowed,
    .cms-draggable-placeholder {
        color: lighten($color-primary-fallback, 40%);
        border-color: lighten($color-primary-fallback, 40%);
    }
    .cms-draggable-hover-allowed,
    .cms-draggable-placeholder {
        color: $white;
        background: rgba($color-primary, 0.2);  // TODO
    }

    .cms-draggable-disallowed,
    .cms-draggable-hover-disallowed {
        color: saturate($color-danger, 80%);
        background: rgba($color-danger, 0.1);
        box-shadow: 0 0 0 2px saturate($color-danger, 80%);
        &:before {
            display: none;
        }
    }

    // hide arrow when adding plugin-in-plugin within disabled item
    .cms-draggable-disabled {
        .cms-submenu {
            display: none;
        }

        > .cms-dragitem-collapsable,
        > .cms-dragitem {
            .cms-submenu {
                display: block;
            }
        }

        .cms-draggable {
            margin-inline-start: $structure-draggable-inner-padding !important;
            .cms-dragitem {
                background-image: none;
                &:hover {
                    box-shadow: none;
                }
            }
        }
        .cms-draggables,
        .cms-droppable {
            display: none !important;
        }
    }
    .cms-drag-disabled.cms-draggable > .cms-dragitem {
        // Remove drag handle from read-only dragables
        background-image: none;
    }

    .cms-plugin-disabled {
        position: absolute;
        top: 50%;
        right: $submenu-right;
        width: $submenu-icon-area-size;
        height: $submenu-icon-area-size;
        margin-top: -(math.div($submenu-icon-area-size, 2));
        .cms-icon {
            $submenu-icon-size: 20px;
            position: absolute;
            top: 50%;
            left: 50%;
            color: $submenu-icon-color;
            font-size: $submenu-icon-size;
            margin-top: -(math.div($submenu-icon-size, 2));
            margin-inline-start: -(math.div($submenu-icon-size, 2));        }
    }

    // end of dragarea
    .cms-is-dragging {
        display: block !important;
        opacity: 0.3;
    }

    &.cms-structure-condensed {
        width: 416px;
        inset-inline-end: 0;
        box-shadow: 0 0 5px 0 rgba(0,0,0,.2);
        .cms-structure-content {
            padding-inline: 15px;
            overflow-x: hidden;
        }
        .cms-collapsable-container {
            padding-inline-start: math.div($structure-draggable-inner-padding, 2);
        }
        .cms-draggable-disabled {
            .cms-draggable {
                margin-inline-start: math.div($structure-draggable-inner-padding, 2) !important;
            }
        }

        .cms-dragitem {
            line-height: 24px;
            background-size: 8px 28px;
        }
        .cms-dragitem-text {
            padding-top: 8px;
            padding-bottom: 8px;
            margin-inline-end: 110px;
            padding-inline-end: 5px;
        }
        .cms-dragarea-empty .cms-draggables-root {
            min-height: 43px;
        }
        .cms-draggables-empty {
            line-height: 40px;
        }
        .cms-dragarea-empty > .cms-draggables-root > .cms-add-plugin-placeholder {
            height: 44px;
        }
        .cms-add-plugin-placeholder {
            line-height: 38px;
        }
        .cms-submenu-btn {
            width: 32px;
            height: 32px;
            margin-top: -16px;
        }
        .cms-submenu-add {
            inset-inline-end: 39px;
        }
        .cms-submenu-edit {
            inset-inline-end: 39px + 32px + 4px;
        }
        .cms-submenu-dropdown-settings .cms-submenu-item a {
            &,
            &:before {
                line-height: 40px;
                min-height: 40px;
            }
        }

        .cms-dragarea {
            padding: 0;
        }
        .cms-dragbar-title {
            margin-inline-end: $submenu-icon-area-size * 2 + 10px;
        }
        .cms-draggable-stack {
            height: $structure-dragitem-fullheight - 6px !important;
        }
    }
}

@at-root .cms-dragitem-success {
    position: absolute;
    top: -2px;
    right: -2px;
    bottom: -2px;
    left: -2px;
    z-index: z(structure, content, droppable);
    border: 1px solid $color-primary !important;
    background: rgba($color-primary-fallback, 20%) !important;
    border-radius: $border-radius-base;
    opacity: 0.6;

    &.cms-plugin-overlay-see-through {
        top: -3px;
        right: -3px;
        left: -3px;
        bottom: -3px;
        border-width: 3px !important;
        background: none !important;
        opacity: 0.6;
        pointer-events: none;
    }
    &.cms-plugin-overlay-prominent {
        box-shadow: 0px 0px 20px $color-primary;
    }
}


// hide elements when dragging
@at-root .ui-sortable-helper.cms-draggable .cms-submenu-btn {
    display: none !important;
}
@at-root .ui-sortable-helper.cms-draggable .cms-draggables {
    display: none !important;
}

@at-root .cms-overflow {
    overflow: hidden !important;
}

@at-root .cms-content-reloading {
    position: fixed;
    width: 100%;
    left: 0;
    top: 0;
    bottom: 0;
    background: $white !important;
    opacity: .5;
    z-index: 9999;
}
