ngx-admin/src/app/@theme/layouts/one-column/one-column.layout.scss

@import '../../styles/themes';
@import '~bootstrap/scss/mixins/breakpoints';
@import '~@nebular/theme/styles/global/breakpoints';

@include nb-install-component() {
  nb-layout-column.small {
    flex: 0.15 !important;
  }

  nb-sidebar.settings-sidebar {
    $sidebar-width: 7.5rem;

    transition: width 0.3s ease;
    width: $sidebar-width;
    overflow: hidden;

    &.collapsed {
      width: 0;

      /deep/ .main-container {
        width: 0;

        .scrollable {
          width: $sidebar-width;
          padding: 1.25rem;
        }
      }
    }

    /deep/ .main-container {
      width: $sidebar-width;
      background: nb-theme(color-bg);
      transition: width 0.3s ease;
      overflow: hidden;

      .scrollable {
        width: $sidebar-width;
      }

      @include nb-for-theme(cosmic) {
        background: nb-theme(layout-bg);
      }
    }
  }

  nb-sidebar.menu-sidebar {

    margin-top: nb-theme(sidebar-header-gap);

    @include nb-for-theme(corporate) {
      margin-top: 0;
    }

    /deep/ .main-container {
      height:
        calc(#{nb-theme(sidebar-height)} - #{nb-theme(header-height)} - #{nb-theme(sidebar-header-gap)}) !important;
      @include nb-ltr(border-top-right-radius, nb-theme(radius));
      @include nb-rtl(border-top-left-radius, nb-theme(radius));

      @include nb-for-theme(corporate) {
        border: 1px solid nb-theme(separator);
        height:
          calc(#{nb-theme(sidebar-height)} - #{nb-theme(header-height)}) !important;
      }
    }

    /deep/ .scrollable {
      @include nb-for-theme(corporate) {
        padding-top: 0;

        .menu-item:first-child {
          border-top: none;
        }
      }
    }

    /deep/ nb-sidebar-header {
      padding-bottom: 0.5rem;
      text-align: center;
    }

    background: transparent;

    .main-btn {
      padding: 0.75rem 2.5rem;
      margin-top: -2rem;
      font-weight: bold;
      transition: padding 0.3s cubic-bezier(0.18, 0.89, 0.32, 1.48);

      @include nb-for-theme(corporate) {
        border-radius: nb-theme(radius);
      }

      i {
        font-size: 2rem;
        text-shadow: 0 1px 1px rgba(0, 0, 0, 0.2);
      }
      span {
        @include nb-ltr(padding-left, 0.25rem);
        @include nb-rtl(padding-right, 0.25rem);
      }

      i, span {
        vertical-align: middle;
      }
    }

    &.compacted {

      /deep/ nb-sidebar-header {
        padding-left: 0;
        padding-right: 0;
      }

      .main-btn {
        width: 46px;
        height: 44px;
        padding: 0.375rem;
        border-radius: 5px;
        transition: none;

        span {
          display: none;
        }
      }
    }
  }

  @include media-breakpoint-down(xs) {
    .main-content {
      padding: 0.75rem !important;

    }
  }

  @include media-breakpoint-down(sm) {

    nb-sidebar.menu-sidebar {

      margin-top: 0;

      /deep/ .main-container {
        height: calc(#{nb-theme(sidebar-height)} - #{nb-theme(header-height)}) !important;
        @include nb-ltr(border-top-right-radius, 0);
        @include nb-rtl(border-top-left-radius, 0);

        .scrollable {
          padding-top: 0;
        }
      }
    }

    .main-btn {
      display: none;
    }
  }
}