Dcat-Admin/resources/assets/sass/core/menu/_navigation.scss

/*=========================================================================================
    File Name: navigations.scss
    Description: Common mixin for menus, contain dark and light version scss.
    ----------------------------------------------------------------------------------------
    Item Name: Vuexy  - Vuejs, HTML & Laravel Admin Dashboard Template
    Author: PIXINVENT
    Author URL: http://www.themeforest.net/user/pixinvent
==========================================================================================*/

// Import first main menu mixin
@import "../mixins/main-menu-mixin";

// Main menu base
//==============
.main-menu {
    z-index: 1031;
    position: absolute;
    display: table-cell;
    height: 100%;
    overflow: hidden;

    &.menu-light {
        @include menu-theme($body-color, $white);
    }

    &.menu-dark {
        @include menu-theme($menu-dark-color, $menu-dark-bg-color);
    }

    &.menu-fixed {
        position: fixed;
        /* fallback if needed */
        // top: $navbar-height;
        .main-menu-footer {
            position: fixed;
        }
    }
    &.menu-static{
        height: 100%;
        padding-bottom: calc(100% - 20rem);
        .main-menu-content{
          height: unset !important;
        }
    }

    &.menu-shadow {
        box-shadow: 0 0 15px 0 rgba(0,0,0,.05);
    }

    &.menu-border {
        border-right: 1px solid $custom-border-color;
    }

    // menu scroll shadow
    .shadow-bottom{
        display: none;
        position: absolute;
        z-index: 2;
        height: 60px;
        width: 100%;
        pointer-events: none;
        margin-top: -1.3rem;
        filter: blur(5px);
        background: linear-gradient(#fff 41%,hsla(0,0%,100%,.11) 95%,hsla(0,0%,100%,0));
    }

    // Native Scrollbar (.menu-native-scroll)
    &.menu-native-scroll {
        .main-menu-content {
            overflow-y: scroll;
        }
    }

    .navbar-header {
        height: 100%;
        width: $menu-expanded-width;
        height: $navbar-height;
        position: relative;
        padding: 0.35rem 1rem 0.3rem 1.64rem;
        transition: 300ms ease all;
        .navbar-brand {
            // padding: 15px 0px;
            display: flex;
            align-items: center;
            margin-top: 1.35rem;
            .brand-logo {
                background-position: -65px -54px;
                height: 24px;
                width: 35px;
            }

            .brand-text {
                color: $primary;
                padding-left: 1rem;
                font-weight: 600;
                letter-spacing: 0.01rem;
                font-size: 1.57rem;
                animation: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1) 0s normal forwards 1 fadein;
            }
        }
        .modern-nav-toggle{
          animation: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1) 0s normal forwards 1 fadein;
        }
    }

    .main-menu-content {
        height: calc(100% - 6rem) !important;
        position: relative;
        // margin-top: 0.45rem;
    }

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

        &.navigation-main {
            overflow-x: hidden;
            >li:first-child{
              margin-top: .5rem;
            }
        }
    }

    a {
        outline: none;

        &:hover,
        &:focus {
            text-decoration: none;
        }
    }
}

// Main Navigation
.navigation {
    font-size: 1.1rem;
    font-family: $font-family-monospace;
    font-weight: 400;
    overflow-y: hidden;
    padding-bottom: 20px;

    .navigation-header {
        font-family: $font-family-monospace;
        font-weight: $headings-font-weight;
        line-height: $headings-line-height;
        padding: 12px 22px;
        font-size: .9rem;
        text-transform: uppercase;
    }

    li {
        position: relative;
        white-space: nowrap;

        a {
            display: block;
            text-overflow: ellipsis;
            overflow: hidden;
            i{
              font-size: 0.8rem;
              margin-right: 1.38rem;
            }
        }

        &.disabled {
            a {
                cursor: not-allowed;
            }
        }
    }
}

// For compact menu popout
.menu-popout {
    li {
        &.disabled {
            a {
                cursor: not-allowed;
            }
        }
    }
}


.dropdown-notification {
    .nav-link-label{
      position: relative;
    }
    .notification-text {
        margin-bottom: 0.5rem;
        font-size: smaller;
        color: $body-color;
    }
    .notification-title{
      color: rgba($white, .75);
    }

    .notification-tag {
        position: relative;
        top: -4px;
    }
    .dropdown-menu.dropdown-menu-right{
      right: -2px;
      padding: 0;
      &::before{
        background: $primary;
        border-color: $primary;
      }
    }
    .dropdown-menu-header{
      border-top-left-radius: $dropdown-border-radius;
      border-top-right-radius: $dropdown-border-radius;
      background: $primary;
      color: $white;
      text-align: center;
      .dropdown-header h3{
        margin-bottom: 0.25rem;
      }
    }
}

// Navigation Header
//=====================
.main-menu-header {
    .user-content {
        padding: 20px;

        .media {
            overflow: inherit;
        }

        .media-body {
            vertical-align: bottom;
            opacity: 1;
            width: 150px;
            white-space: nowrap;
            transition: all .3s ease .15s;
        }
    }
}

// Navigation Footer
//=====================
.main-menu-footer {
    position: relative;
    overflow: hidden;
    bottom: 0;
    display: block;
    z-index: 1000;
    color: lighten($gray-600, 60%);
    background-color: darken($gray-600, 10%);

    &.footer-open {
        max-height: 500px;
        transition: max-height 0.2s ease-in-out;
    }

    a {
        color: lighten($gray-600, 50%);

        &:hover,
        &:focus {
            color: $white;
        }
    }

    .header {
        height: 19px;
        border-bottom: 1px solid darken($gray-600, 5%);
    }

    .toggle {
        transform: rotate(0deg);
        transition: -webkit-transform 0.2s ease-in-out;
    }

    .content {
        padding: 0;

        .actions {
            >a {
                display: block;
                float: left;
                width: (100% / 3);
                padding: 1rem 0;
                color: lighten($gray-600, 50%);
                text-align: center;
                border-top: 1px solid darken($gray-600, 5%);
                border-left: 1px solid darken($gray-600, 5%);

                >span {
                    font-size: 1.35rem;
                }

                &:hover,
                &:focus {
                    color: $white;
                }
            }
        }
    }
}

body.vertical-layout {
    &.vertical-menu.menu-expanded {
        .main-menu-footer {
            .content {
                margin-left: 0;
            }
        }
    }
}

// for collapsed static layout
body.menu-collapsed{
  .menu-static{
    padding-bottom: calc(100% - 14rem);
  }
}

// Media queries for small screen devices
// =========================================
@include media-breakpoint-down(sm) {

    // menu hide/open animation
    .menu-hide .main-menu,
    .menu-open .main-menu {
        transition: transform .25s, top .35s, height .35s;
    }

    .main-menu {
        transform: translate3d(-240px, 0, 0);
        backface-visibility: hidden;
        perspective: 1000;
    }

    .menu-open .main-menu {
        transform: translate3d(0, 0, 0);
    }
}

@include media-breakpoint-up(md) {
    .drag-target {
        z-index: 0;
    }
}

// For Fixed Layout set menu-fixed height
body{
  &.fixed-footer{
    .main-menu {
       &.menu-fixed {
        height: 100%;
      }
    }
  }
}

// for static main menu height
@media (max-width: 1200px){
  body{
    .main-menu{
      &.menu-static {
        padding-bottom: 100%;
      }
    }
  }
}