platform/static/assets/scss/volt/layout/_navbar.scss

/**
 * = Navigation bars
 */

 .navbar-main {
    position: absolute;
    top: 0;
    width: 100%;
    z-index: 100;

    .navbar-toggler-icon {
        background-image: $navbar-dark-toggler-icon-bg;
    }
}

.navbar .navbar-nav {

    .nav-link {
        @include transitions(.8s, $transition-base);

        @include media-breakpoint-down(md) {
            font-size: 1.2rem;
            @include display-flex();
            @include justify-content(space-between);
            @include align-items(center);
        }

    }

    .nav-item {
        .media:not(:last-child){
            margin-bottom: 1.5rem;
        }
        &:focus,
        .nav-link:focus {
            outline: none !important;
        }
    }

    .dropdown {

        .dropdown-menu {
            top: 100%;
            span{
                width: 30px;
            }
        }

        .dropdown-item {
            font-size: 0.875rem;
        }

    }

    .dropdown-megamenu,
    .dropdown-megamenu-sm,
    .dropdown-megamenu-md {
        @include media-breakpoint-up(lg) {
            min-width: 580px;
        }

        .megamenu-link {
            color: $gray;
            font-weight: 400;
            font-size: $font-size-sm;
        }

        .megamenu-item {
            position: relative;

            &:hover {
                
                .megamenu-link {
                    color: $primary;
                }
                
            }
            
        }
    }

    .dropdown-megamenu-sm {
        @include media-breakpoint-up(lg) {
            min-width: 320px;
        }
    }

    .dropdown-megamenu-md {
        @include media-breakpoint-up(lg) {
            min-width: 960px;
        }
    }

    @include media-breakpoint-up(lg) {
        .dropdown-menu {
            .dropdown-toggle .nav-link-arrow {
                @include transform(rotate(-90deg));
            }
        }

        .dropdown.show > .dropdown-toggle .nav-link-arrow {
            @include transform(rotate(180deg));
        }

        .dropdown-toggle:hover .nav-link-arrow {
            @include transform(rotate(0deg));
        }

    }

    .dropdown-submenu {
        position: relative;

        .dropdown-menu {
            top: 0;
            left: calc(100% - 2px);
            margin-left: .1rem;
            margin-right: .1rem;
            opacity: 0;
            display: none;

            &.show {
                opacity: 1;
                pointer-events: all;
                display: block;
            }

        }

    }

    .nav-link-arrow {
        transition: $transition-transform;
    }

}

.navbar-brand {
    font-size: $font-size-sm;
    font-weight: $font-weight-bold;
    text-transform: uppercase;

    img {
        height: 40px;
    }
}

// Navbar text and logo dark & light
.navbar-dark {

    .navbar-brand-light {
        display: none;
    }

    .navbar-brand {
        color: $white;
    }

    & > .nav-item:hover > .nav-link {
        color: $primary;
    }
}

.navbar-light {

    &:not(.headroom--not-top) {
        .btn-outline-soft {
            border-color: $dark;
            color: $dark;
    
            &:hover {
                background: $dark;
                color: $white;
            }
        }
    }

    .navbar-toggler-icon {
        background-image: $navbar-light-toggler-icon-bg;
    }

    .navbar-brand-dark {
        display: none;
    }

    .navbar-brand {
        color: $gray-800;
    }

}

.dropdown-menu {
    top: 100%;
    span{
        width: 30px;
    }
}

.navbar-transparent {
    background-color: transparent;
    border: 0;
    box-shadow: none;
}

@include media-breakpoint-up(lg) {
    .navbar-nav {
        .nav-item {
            [data-toggle="dropdown"]::after {
                transition: $transition-base;
            }

            &.show {
                [data-toggle="dropdown"]::after {
                    @include transform(rotate(180deg));
                }
            }
        }
        .nav-link {

            i {
                margin-right: .3rem;
                font-size: $font-size-xs;
            }
        }

        .nav-link-icon {
            padding-left: .5rem;
            padding-right: .5rem;
            font-size: 1rem;

            i {
                margin-right: 0;
            }
        }

        .dropdown-menu {
            opacity: 0;
            pointer-events: none;
            margin: 0;
            border-radius: $dropdown-border-radius;
        }

        .dropdown-menu-end {
            &:before {
                right: 20px;
                left: auto;
            }
        }

        .dropdown-menu-center {
            left: 50%;
            transform: translateX(-50%);
        }

        .dropdown-menu,
        .dropdown-megamenu,
        .dropdown-megamenu-md {
            &.show {
                opacity: 1;
                pointer-events: auto;
            }

            &.close {
                display: block;
            }
        }

        .dropdown-submenu .dropdown-menu {
            transform: none;
        }

        .dropdown-menu {
            position: relative;
            display: block;
            opacity: 0; 
            pointer-events: none;
            transition: $transition-base;
        }

        .dropdown.show,
        .dropdown-submenu.show {
            & > .dropdown-menu {
                display: block;
                opacity: 1;
                pointer-events: auto;
            }
        }

        .dropdown-menu-inner {
            position: relative;
            padding: 1rem;
        }
    }

    .navbar-transparent {
        .navbar-nav {
            .nav-link {
                &.disabled {
                    color: $navbar-dark-disabled-color;
                }
            }
        }

        .navbar-brand {
            color: $navbar-dark-color; 
        }

    }

}

// Collapse
.navbar-collapse-header {
    display: none;
}

.navbar-collapse {
    width: auto;
}

@include media-breakpoint-down(lg) {
    .navbar-nav {
        .nav-link {
            padding: .625rem 0;
        }

        .dropdown-menu {
            box-shadow: none;
            width: 100%;

            .media svg {
                width: 30px;
            }
        }
    }

    .dropdown-menu-center {
        right: 0;
        left: auto;
        transform: translate(0, 0);
        @include media-breakpoint-down(lg) {
            transform: translateX(-75%);
        }
    }

    .navbar-collapse {     
        width: calc(100% - 30px);
        position: absolute;
        top: 0;
        right: 15px;
        z-index: 1050;
        overflow-y: auto;
        // using !important to overwrite Bootstrap's inline styles
        height: calc(100vh - 30px) !important;
        opacity: 0;

        .navbar-toggler {
            position: relative;
            display: inline-block;
            width: 20px;
            height: 20px;
            padding: 0;

            span {
                display: block;
                position: absolute;
                width: 100%;
                height: 2px;
                border-radius: 2px;
                opacity: 1;
                background: #283448;
            }
        }

        .navbar-collapse-header {
            display: block;
            padding-bottom: 1rem;
            margin-bottom: 1rem;
        }

        .collapse-brand img {
            height: 35px;
        }

        .collapse-close { 
            text-align: right;
        }
    }

    .navbar-collapse.collapsing,
    .navbar-collapse.show {
        padding: 1.5rem;
        border-radius: $dropdown-border-radius;
        background: $white;
        animation: show-navbar-collapse .2s ease forwards;
        @include box-shadow(0 0 20px rgba(0, 0, 0, .1));
    }

    .navbar-collapse.collapsing-out {
        animation: hide-navbar-collapse .2s ease forwards;
    }
}

.navbar-dashboard {
    border-radius: $border-radius;
}

// Theme color variants
// eg. navbar-theme-primary, navbar-theme-secondary
@each $color, $value in $navbar-colors {
    .navbar-theme-#{$color}:not(.headroom) {
        background-color: $value;
    }
}