/* Anchor link offset fix. This makes hash links scroll 60px down to account for the fixed header. */
:target::before {
    content: " ";
    display: block;
    height: 60px;
    /* fixed header height*/
    margin-top: -60px;
    /* negative fixed header height */
    width: 1px;
    pointer-events: none;
}

.pagelayout-embedded :target {
    padding-top: initial;
    margin-top: initial;
}

#nav-drawer.closed {
    left: -($drawer-width + $drawer-offscreen-gutter);

    @include media-breakpoint-between(xs, sm) {
        left: -100%;
    }
}

#nav-drawer[aria-hidden=true] .list-group-item {
    display: none;
}

.drawer-toggle-icon-open,
.drawer-toggle-icon-close {
    opacity: 0;
    display: none;

    transition: $transition-base;
}

.sidebar-btn[aria-expanded="true"] {
    .drawer-toggle-icon-open {
        opacity: 1;
        display: inline-flex;
    }
}

.sidebar-btn[aria-expanded="false"] {
    .drawer-toggle-icon-close {
        opacity: 1;
        display: inline-flex;
    }
}

#nav-drawer {
    position: fixed;
    z-index: $zindex-fixed + 10;
    width: $drawer-width;
    top: 7px;
    right: auto;
    left: 7px;
    height: calc(100% - 14px);

    background-color: $drawer-bg;
    border-radius: 9px;
    transition: right 350ms ease, left 350ms ease;

    @include media-breakpoint-down(md) {
        top: 68px;
        height: calc(100% - 74px);
    }

    @include media-breakpoint-between(xs, sm) {
        width: calc(100% - 14px);
    }

    .theme-dark & {
        background-color: $dm-gray-100; // todo: variable
    }

    .nav-drawer-container {
        max-height: calc(100vh - 133px);
        overflow-y: auto;
        overflow-x: hidden;
        padding-right: 5px;
        padding-right: 5px;
        margin: 7px 3px 4px 7px;

        @include thin-scrolls($drawer-scroll-bg-track);

        .theme-dark & {
            @include thin-scrolls($dm-drawer-scroll-bg-track);
        }
    }

    .rui-drawer-footer {
        background-color: $drawer-nav-box-bg;
        width: 100%;
        padding: 7px 10px 10px;
        position: absolute;
        bottom: 0;
        border-radius: 0 0 9px 9px;
    }

    .rui-custom-sidebar-content {
        a {
            color: $drawer-link;

            &:hover {
                color: $drawer-link-h;
            }
        }
    }

    h1,
    h2,
    h3,
    h4,
    h5 {
        color: $drawer-text;
    }
}

.rui-drawer-logo {
    padding: 10px 16px;
    margin: $topbar-padding-x 0 20px;
}

.nav-drawer-wrapper {
    margin: 40px 0;
}



body.drawer-ease {
    @include transition(margin-left 0.5s ease, margin-right 0.5s ease);
}

body:not(.uses-drawers).drawer-open-left {
    @include media-breakpoint-up(md) {
        margin-left: $drawer-left-width;
    }
}

body.drawer-open-left #page.drawers {
    @include media-breakpoint-up(md) {
        margin-left: $drawer-left-width;
        padding-left: 1rem;
    }
}

$right-drawer-width: 320px;

[data-region=right-hand-drawer] {
    display: flex;
    flex-direction: column;
    transition: all 350ms ease-in-out;

    &.drawer {
        position: fixed;
        top: 0;
        right: 0;
        height: 100%;
        width: $right-drawer-width;
        border-left: 1px solid $border-color;
        padding: 0;
        visibility: visible;
        opacity: 1;

        overflow: hidden;
        z-index: 1230;

        .theme-dark & {
            border-color: $dm-border-color;
        }
    }

    &.hidden {
        display: block;
        right: $right-drawer-width * -1;
        // Turn off visibility so that nothing in the drawer can receive focus when
        // it is hidden.
        visibility: hidden;
        opacity: 0;
        // Delay visibility changes until after the slide right animation has completed.
        @include transition(right 350ms ease-in-out, visibility 0s ease-in-out 350ms, opacity 0s ease-in-out 350ms);
    }
}

@include media-breakpoint-between(xs, sm) {
    [data-region=right-hand-drawer] {
        .closewidget {
            display: block;
            padding: 0 0.2rem;
        }
    }
}


.message-drawer-backdrop {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1240;

    background-color: rgba(#000, .6);

    cursor: e-resize;

    .layout.fullscreen & {
        display: none;
        z-index: -1;
        height: calc(100vh - 60px);
    }
}

.rui-flatnavigation {
    list-style: none;
    padding: $drawer-box-inner-padding 0;
    margin: 0;
}

.rui-flatnavigation-box {
    padding-bottom: 10px;
    margin-bottom: 10px;
    border-bottom: 1px solid $drawer-border;
}

.rui-sidebar-nav-item {
    margin-bottom: 2px;

    &:last-child {
        margin-bottom: 0;
    }
}

.rui-sidebar-nav-item-link {
    padding: .35rem .65rem;

    display: inline-flex;
    width: 100%;
    align-items: center;

    font-size: $font-size-md;
    font-weight: $font-weight-medium;
    color: $drawer-nav-btn-text;
    word-break: break-word;

    background-color: transparent;
    border: none;
    border-radius: $btn-border-radius;

    transition: color 350ms ease;

    .rui-sidebar-nav-icon {
        display: flex;
        align-items: center;
        justify-content: center;

        width: 30px;
        height: 30px;
        margin-right: 5px;
        color: $drawer-nav-btn-icon;
        opacity: $drawer-icon-opacity;

        .theme-dark & {
            color: $drawer-nav-btn-text;
        }
    }

    &.active,
    &:hover {
        border: none;
        background-color: $drawer-nav-btn-bg-hover;
        color: $drawer-nav-btn-text-hover;

        text-decoration: none;

        .theme-dark & {
            background-color: var(--primary-color-800);;
            color: var(--primary-color-100);
        }

        .rui-sidebar-nav-icon {
            color: $drawer-nav-btn-text-hover;
            opacity: $drawer-icon-opacity;

            .theme-dark & {
                color: $drawer-nav-btn-text;
            }
        }
    }

}

.rui-drawer-course-nav {
    margin-bottom: 10px;
    padding-top: 10px;
    padding-bottom: 10px;
    border-bottom: 1px solid $drawer-border;

    .rui-sidebar-nav-item-link {
        margin-bottom: 2px;
        padding-top: 4px;
        padding-bottom: 4px;
        font-size: $font-size-xs;
    }
}

.rui-sidebar-nav-item-link--sm {
    font-size: $font-size-xs;
}

.rui-sidebar-nav-text,
.rui-course-menu-list-text {
    width: calc(100% - 35px);
}

.rui-sidebar-nav-text {
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
}

.rui-sidebar-mycourses {
    margin: 0;
    padding: $drawer-box-inner-padding;
    background-color: $drawer-nav-box-bg;
    border-radius: $btn-border-radius;
    overflow: hidden;
}

.rui-sidebar-hr {
    margin: 0;
    padding: 0;
    display: block;
    margin: 3px -3px;
    width: calc(100% + 6px);
    height: 1px;

    .theme-dark & {
        background-color: $dm-border-color;
    }
}

// TODO: variables
.rui-sidebar-abtn {
    width: 100%;
    padding: .35rem .45rem;
    background-color: transparent;
    border-width: 0;
    display: inline-flex;
    justify-content: space-between;
    align-items: center;

    font-size: $font-size-md;
    font-weight: $font-weight-medium;
    color: $drawer-nav-btn-text;

    .theme-dark & {
        color: $dm-body-color;
        border-color: $dm-border-color;
    }

    .rui-drawer-badge {
        min-width: 20px;
        height: 20px;
        border-radius: 20px;
        background-color: $drawer-bg;

        display: flex;
        align-items: center;
        justify-content: center;

        font-size: 11px;
        font-weight: $font-weight-medium;
        color: $drawer-text;
    }

    &:hover,
    &[aria-expanded="true"] {
        background-color: $drawer-nav-btn-bg-hover;
        color: $drawer-nav-btn-text-hover;

        .theme-dark & {
            background-color: $drawer-nav-btn-bg;
            color: $drawer-nav-btn-text;
        }

        .rui-drawer-badge {
            background-color: $drawer-nav-box-bg;
            color: $drawer-text;
        }

        .rui-sidebar-nav-icon {
            color: $drawer-nav-btn-text-hover;
        }
    }

}

.rui-course-wrapper {
    max-height: 200px;
    overflow-y: auto;

    @include thin-scrolls($drawer-scroll-bg-track);

    .theme-dark & {
        @include thin-scrolls($dm-drawer-scroll-bg-track);
    }
}

.rui-course-menu-list--more {
    width: 100%;
    display: inline-flex;
    justify-content: space-between;
    align-items: center;

    margin: 0;
    padding: .35rem 1rem;

    border-radius: $btn-border-radius;

    font-size: $font-size-xs;
    color: $drawer-nav-btn-text-light;
    text-align: right;

    .theme-dark & {
        color: $dm-body-color;
    }

    &:hover {
        background-color: $drawer-nav-btn-bg-hover;
        color: $drawer-nav-btn-text-hover;
        text-decoration: none;

        .theme-dark & {
            background-color: var(--main-theme-color);
            color: var(--primary-color-100);
        }
    }
}

.rui-flatnavigation-sm {
    padding: 3px 1px;

    .rui-sidebar-nav-icon svg {
        width: 18px;
        height: 18px;
    }

    .rui-list-group-item {
        padding-top: 3px;
        padding-bottom: 3px;

        font-size: $font-size-xs;
        color: $drawer-nav-btn-text-light;

        .theme-dark & {
            color: $dm-body-color-light;
        }
    }
}

.rui-drawer-nav-title {
    padding: 0 12px;
    font-size: 11px;
    font-weight: $font-weight-medium;
    text-transform: uppercase;
    opacity: .6;
}

.rui-nav-item-container {
    display: flex;
    align-items: start;
}

.rui-nav-list-group {
    font-size: $font-size-md;
    font-weight: $font-weight-medium;
    color: $drawer-nav-btn-text;

    .theme-dark & {
        color: $dm-body-color-secondary;
    }
}


.nav-drawer-header {
    position: sticky;
    top: 0;
    margin: -15px -15px 30px;
    padding: $drawer-padding-x $drawer-padding-x 0 $drawer-padding-x;
    z-index: $zindex-sticky;
}


@include media-breakpoint-between(xs, sm) {

    body.drawer-open-left,
    body.drawer-open-right {
        overflow: hidden;
    }
}

.rui-custom-sidebar-content {
    font-size: $font-size-md;
    color: $drawer-nav-btn-text;

    .theme-dark & {
        color: $dm-body-color-light;
    }
}

/* Course Index */
.drawer-course-index {
    overflow: hidden;

    padding: 35px 0 0 30px;
    position: fixed;
    top: 60px;
    background-color: $container-bg;

    z-index: 1230;
    transition: left 350ms ease, left 350ms ease;

    @include media-breakpoint-up(lg) {
        border-radius: $border-radius-lg 0 0 0;
    }  

    @include media-breakpoint-between(xs, md) {
        border-radius: 20px 0 0 0;
        padding: 30px;
    }

    @include media-breakpoint-up(md) {
        width: $drawer-left-width;
        height: 100%;
        left: -100%;
        max-height: calc(100vh - 61px);
    }

    @include media-breakpoint-between(xs, sm) {
        width: 100%;
        left: -100%;
        height: calc(100vh - 61px);
        max-height: calc(100vh - 61px);

        border-radius: 0;
        border: 0;
        z-index: 9999;
    }

    .theme-dark & {
        background-color: $dm-container-bg;
    }

    &.show {
        left: 0;
    }
}

.btn-drawer {
    position: fixed;
    z-index: $zindex-fixed;
    top: 95px;
    left: 35px;

    display: flex;
    align-items: center;
    justify-content: center;

    padding: 0;
    width: 40px;
    height: 40px;

    background-color: $gray-900;
    border: 1px solid $gray-900;
    color: $gray-100;
    border-radius: 40px;

    transition: $transition-base;

    .theme-dark & {
        background-color: $dm-gray-100;
        border-color: $dm-gray-100;
        color: $dm-body-color;
    }

    @include media-breakpoint-between(xs, md) { 
        top: 77px;
        left: 15px;
        right: auto;
    }

    &:hover {
        background-color: var(--main-theme-color);
        border-color: var(--main-theme-color);
        color: $white;

        .theme-dark & {
            background-color: var(--main-theme-color);
            border-color: var(--main-theme-color);
            color: $dm-body-color;
        }
    }

}

.rui-lang-btn {
    display: flex;
    align-items: center;
    justify-content: center;

    padding: 0;
    
    min-width: 30px;
    width: 30px;
    min-height: 30px;

    border: none;
    border-radius: 30px;
    font-size: $font-size-xs;
    font-weight: $font-weight-medium;

    background-color: transparent;
    color: $topbar-btn-text;

    .theme-dark & {
        background-color: $dm-topbar-btn;
        color: $dm-topbar-btn-text;
    }

    &:hover {
        background-color: $topbar-btn-hover;
        color: $topbar-btn-hover-text;

        .theme-dark & {
            background-color: $dm-topbar-btn-hover;
            color: $dm-topbar-btn-hover-text;
        }
    }
}

@mixin drawer() {
    background-color: $drawer-bg-color;
    z-index: $zindex-modal;
    position: fixed;
    height: calc(100vh - #{$navbar-height});
    transition: opacity 150ms ease;

    .theme-dark & {
        background-color: $dm-drawer-bg-color;
    }

    &.not-initialized {
        display: none;
    }
}

@mixin drawertypes() {
    &.drawer-right {
        top: $navbar-height - 1px;
        width: $drawer-right-width;
        max-width: 100%;
        right: calc(-#{$drawer-right-width} + -10px);
        visibility: hidden;
        @include box-shadow($box-shadow-drawer-right);

        &.show {
            right: 0;
            visibility: visible;
        }

        .drawertoggle {
            margin-left: auto;
            margin-right: 5px;
        }
    }

    &.drawer-left {
        width: $drawer-left-width;
        max-width: $drawer-left-width;
        left: calc(-#{$drawer-left-width} + -10px);
        visibility: hidden;
        @include box-shadow($box-shadow-drawer-left);

        &.show {
            left: 0;
            visibility: visible;
        }

        .drawertoggle {
            margin-right: auto;
            margin-left: 5px;
        }
    }

    &.drawer-bottom {
        bottom: -110%;

        &.show {
            bottom: 0;
        }
    }
}

.drawer {
    @include drawer();
    @include drawertypes();
}

@include media-breakpoint-up(lg) {
    .drawer {
        z-index: 1230;
        border-radius: 40px 0 0 0;

        &.message-drawer {
            border-radius: 20px 0 0 0;
        }

        // Workaround to display the skip link elements from the blocks drawer infront of the navbar.
        &#theme_universe-drawers-blocks:focus-within {
            position: absolute;

            .drawercontent {
                z-index: auto;
            }
        }

        &.not-initialized {
            display: block;
        }
    }
}

@include media-breakpoint-only(md) { 
    .drawer {
        border-radius: 40px 0 0 0;
    }
}

@include media-breakpoint-between(xs, sm) { 
    .drawer {
        border-radius: 0;
    }
}