@settings-icon-size:     22px;
@settings-color:         var(--oc-settings-color);
@settings-bg:            var(--oc-settings-bg);
@settings-item:          var(--oc-settings-item);
@settings-active-color:  var(--oc-settings-active-color);
@settings-active-bg:     var(--oc-settings-active-bg);
@settings-hover-bg:      var(--oc-settings-hover-bg);

@settings-back-link-color: white;
@settings-back-link-bg:    var(--bs-secondary);

html .sidenav-tree {
    background: @settings-bg;
}

.sidenav-tree {
    width: 300px;
    flex-shrink: 0;
    border-right: 1px solid @primary-border;

    // .scrollbar-scrollbar {
    //     display: none !important;
    // }

    .sidenav-tree-scroll-canvas {
        position: absolute;
        top: 0;
        bottom: 0;
        left: 0;
        right: 0;
    }

    .settings-search-toolbar-item  {
        display: block;
        background: @input-bg;
        position: relative;

        &:before {
            display: block;
            width: 15px;
            height: 15px;
            position: absolute;
            background-position: -238px 0;
            top: 13px;
            right: 15px;
            font-size: 0;
        }

        input.form-control {
            border: none;
            outline: none;
            padding: 1px 35px 1px 10px;
            border-bottom: 1px solid @primary-border;
            height: 40px;
            background: transparent;
            border-radius: 0;

            &.search {
                background-position: right -78px;
            }
        }
    }

    ul {
        padding: 0;
        margin: 0;
        list-style: none;
    }

    div.scrollbar-thumb {
        background: rgba(0,0,0,.2) !important;
    }

    ul.top-level > li {
        &[data-status=collapsed] {
            > div.group {
                h3:before {
                    transform: rotate(0deg) translate(2px, -2px);
                }

                // Hide triangle
                &:before, &:after {
                    display: none;
                }
            }

            ul {
                display: none;
            }
        }

        > div.group {
            position: relative;
            position: sticky;
            top: 0;
            z-index: 1;

            h3 {
                user-select: none;
                font-size: @font-size-base;
                font-weight: 600;
                padding: 9px 15px 7px 25px;
                margin: 0;
                position: relative;
                cursor: pointer;

                &:before {
                    display: block;
                    position: absolute;
                    width: 10px;
                    height: 10px;
                    left: 10px;
                    top: 10px;
                    .icon(@icon-angle-right);
                    transform: rotate(90deg) translate(5px, -3px);
                    transition: all 0.1s ease;
                    font-size: 16px;
                }
            }
        }

        > ul {
            li {
                padding: 5px;

                a {
                    display: block;
                    position: relative;
                    padding: 10px 5px 15px 44px;
                    text-decoration: none !important;
                    border-radius: @border-radius-large;

                    i {
                        position: absolute;
                        left: 11px;
                        top: 11px;
                        font-size: @settings-icon-size;
                    }

                    span {
                        display: block;
                        line-height: 150%;

                        &.header {
                            margin-bottom: 3px;
                        }

                        &.description {
                            font-size: .875em;
                        }
                    }
                }

                a:hover,
                &.active a {
                    opacity: 1;
                    text-decoration: none;
                }
            }
        }
    }
}

.system-home-link {
    display: block;
    padding: 13px 15px;
    background: @settings-back-link-bg;
    color: @settings-back-link-color;
    font-size: 14px;
    line-height: 14px;
    text-decoration: none;

    i {
        display: inline-block;
        margin-right: 10px;

        &:before {
            .backend-icon-sprite-pseudo(24px, 11px, 52px, 0);
        }
    }

    &:hover {
        color: @settings-back-link-color;
        text-decoration: none;
    }

    &.back-link-other {
        display: none;
        margin-bottom: 20px;
    }

    @media (max-width: @screen-sm) {
        &.back-link-other {
            display: block;
        }
    }
}

.layout-container {
    .system-home-link.back-link-other {
        margin: -@padding-standard -@padding-standard @padding-standard -@padding-standard;
    }
}

body.slim-container {
    .layout-container {
        .system-home-link.back-link-other {
            margin: -@padding-standard 0 @padding-standard 0;
        }
    }
}

body.compact-container {
    .layout-container {
        .system-home-link.back-link-other {
            margin: 0;
        }
    }
}

@media (max-width: @screen-sm) {
    .sidenav-tree {
        border-right: none;
        width: 100%;
        height: auto;
        display: none !important;
    }

    body.has-sidenav-tree {
        #layout-body {
            display: block;
        }
    }
}

// Expanded

body.sidenav-tree-expanded {
    #layout-body {
       display: none !important;
    }

    .sidenav-tree {
        display: block !important;
        margin: 0 auto;
        border-right: none;
        border-left: none;
        flex-shrink: inherit;

        width: 100%;
        padding: 30px 10px 50px 10px;

        .scrollbar-scrollbar {
            display: none !important;
        }

        .system-home-link {
            display: none !important;
        }

        .sidenav-tree-scroll-canvas {
            position: relative;
        }

        ul.top-level > li > div.group {
            margin-top: 10px;

            h3 {
                background: transparent;
            }
        }

        ul.top-level > li > ul {
            display: flex;
            flex-direction: row;
            flex-wrap: wrap;
            justify-content: flex-start;
            align-items: stretch;
            align-content: stretch;

            > li {
                display: inline-block;
                padding: 10px;
                width: 350px;

                a {
                    background: @settings-item;
                    padding-top: 12px;
                    padding-right: 15px;
                    padding-bottom: 15px;
                    padding-left: 54px;
                    min-height: 100px;
                    height: 100%;
                    overflow: hidden;

                    i {
                        top: 15px;
                        left: 12px;
                        font-size: 28px;
                    }
                }

                a:hover {
                    background: @settings-hover-bg;
                }
            }
        }
    }

    .settings-search-toolbar-item {
        margin: 0px 10px 10px 10px;
        border-radius: 20px !important;

        input.form-control {
            border: 1px solid @input-border;
            border-radius: 20px !important;
            padding-left: 15px;
            line-height: 40px;
            height: 40px;

            &:focus {
                border-color: @input-border-focus;
            }
        }
    }
}

// Item Styling

.sidenav-tree ul.top-level > li {
    > div.group h3 {
        color: @settings-color;

        &:before {
            color: @settings-color;
        }
    }
}

.sidenav-tree ul.top-level > li > ul li {
    a {
        color: @settings-color;

        span.header {
            color: @settings-color;
        }

        span.description {
            color: @settings-color;
            opacity: .7;
        }
    }

    a:hover {
        background: @settings-hover-bg;
        color: @settings-color;

        span.header {
            color: @settings-color;
        }

        span.description {
            color: @settings-color;
            opacity: 1;
        }
    }

    &.active a {
        color: @settings-active-color;
        background: @settings-active-bg;

        span.header {
            color: @settings-active-color;
        }

        span.description {
            color: @settings-active-color;
            opacity: 1;
        }
    }
}

@media (max-width: @screen-sm) {
    .sidenav-tree-expanded {
        .sidenav-tree {
            > .sidenav-tree-content {
                // display: table !important;
            }
        }

        #layout-body {
            display: none !important;
        }
    }
}

@media (max-width: @screen-xs-max) {
    body.sidenav-tree-expanded {
        .sidenav-tree {
            width: 100%;

            ul.top-level > li > ul > li {
                width: 100%;
            }
        }
    }
}

//
// Singular mode
//

body:not(.sidenav-tree-expanded) .sidenav-tree {
    .is-inactive-group {
        display: none;
    }

    &.is-searching {
        .is-inactive-group {
            display: block;
        }
    }
}

//
// PJAX support
//

html[data-turbo-preview] {
    body.sidenav-tree-expanded .settings-search-toolbar-item input.form-control {
        box-shadow: none;
        border: 1px solid #d7e1eA;
    }
}