socialhose-php/frontend/app/styles/layout/sidebar/modifiers/_navmenu-vertical.scss

// Navigation Menu Vertical

.vertical-nav-menu {
  position: relative;

  &::after {
    content: " ";
    pointer-events: none;
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    top: 0;
  }

  .metismenu-container,
  .metismenu-item {
    margin: 0;
    padding: 0;
    position: relative;
  }
  .metismenu-container {
    list-style: none;

    &:before {
      opacity: 0;
      transition: opacity 300ms;
    }

    .metismenu-link {
      transition: transform .2s, height 300ms, color 300ms, background-color 300ms;
      display: block;
      line-height: 2.5rem;
      height: 2.5rem;
      padding: 0 $layout-spacer-x 0 45px;
      position: relative;
      @include border-radius($border-radius);
      color: $gray-800;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;

      &:hover {
        background: $dropdown-link-hover-bg;
        text-decoration: none;
        cursor: pointer;
        //transform: scale(1.02);

        i.metismenu-icon {
          opacity: .6;
        }

        i.metismenu-state-icon {
          opacity: 1;
        }
      }

      &.active {
        color: $primary;
        background: $dropdown-link-hover-bg;
      }

      &.has-active-child,
      &.active {
        font-weight: bold;
      }
    }

    i.metismenu-state-icon,
    i.metismenu-icon {
      text-align: center;
      width: 34px;
      height: 34px;
      line-height: 34px;
      position: absolute;
      left: 5px;
      top: 50%;
      margin-top: -17px;
      font-size: 1.5rem;
      opacity: .3;
      transition: color 300ms;
      cursor: pointer;
    }

    i.metismenu-state-icon {
      transition: transform 300ms;
      left: auto;
      right: 0;

      &:focus {
        outline-color: $secondary;
      }

      &.rotate-minus-90 {
        transform: rotate(-180deg);
      }
    }

    .metismenu-container {
      transition: padding 300ms;

      &.visible {
        padding: .5em 0 0 2rem;

        &:before {
          content: '';
          height: 100%;
          opacity: 1;
          width: 3px;
          background: $dropdown-link-hover-bg;
          position: absolute;
          left: 20px;
          top: 0;
          @include border-radius(15px);
        }

        & > .metismenu-item > .metismenu-link {
          height: 2.3em;
          line-height: 2.3em;
          color: $gray-600;
          margin: 0 0 3px;

          &:hover {
            color: $primary;
          }

          .metismenu-icon {
            display: none;
          }

          &.active {
            color: $primary;
            background: $dropdown-link-hover-bg;
          }
        }

        & > * {
          height: auto;
          overflow: visible;
        }
      }

      & > * {
        height: 0;
        overflow: hidden;
      }

      .metismenu-link {
        padding-inline-start: 1em;
      }
    }
  }
}

// Right to Left language

[dir="rtl"] .vertical-nav-menu {
  position: relative;

  &::after {
    content: " ";
    pointer-events: none;
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    top: 0;
  }

  .metismenu-container,
  .metismenu-item {
    margin: 0;
    padding: 0;
    position: relative;
  }
  .metismenu-container {
    list-style: none;

    &:before {
      opacity: 0;
      transition: opacity 300ms;
    }

    .metismenu-link {
      transition: transform .2s, height 300ms, color 300ms, background-color 300ms;
      display: block;
      line-height: 2.5rem;
      height: 2.5rem;
      padding: 0 45px 0 $layout-spacer-x;
      position: relative;
      @include border-radius($border-radius);
      color: $gray-800;
      white-space: nowrap;
      text-align: start;

      &:hover {
        background: $dropdown-link-hover-bg;
        text-decoration: none;
        cursor: pointer;
        //transform: scale(1.02);

        i.metismenu-icon {
          opacity: .6;
        }

        i.metismenu-state-icon {
          opacity: 1;
        }
      }

      &.active {
        color: $primary;
        background: $dropdown-link-hover-bg;
      }

      &.has-active-child,
      &.active {
        font-weight: bold;
      }
    }

    i.metismenu-state-icon,
    i.metismenu-icon {
      text-align: center;
      width: 34px;
      height: 34px;
      line-height: 34px;
      position: absolute;
      right: 5px;
      top: 50%;
      margin-top: -17px;
      font-size: 1.5rem;
      opacity: .3;
      transition: color 300ms;
      cursor: pointer;
    }

    i.metismenu-state-icon {
      transition: transform 300ms;
      right: auto;
      left: 0;

      &.rotate-minus-90 {
        transform: rotate(-180deg);
      }
    }

    .metismenu-container {
      transition: padding 300ms;

      &.visible {
        padding: .5em 2rem 0 0;

        &:before {
          content: '';
          height: 100%;
          opacity: 1;
          width: 3px;
          background: $dropdown-link-hover-bg;
          position: absolute;
          right: 20px;
          top: 0;
          @include border-radius(15px);
        }

        & > .metismenu-item > .metismenu-link {
          height: 2.3em;
          line-height: 2.3em;
          color: $gray-600;
          margin: 0 0 3px;

          &:hover {
            color: $primary;
          }

          .metismenu-icon {
            display: none;
          }

          &.active {
            color: $primary;
            background: $dropdown-link-hover-bg;
          }
        }
      }

      .metismenu-link {
        padding-right: 1em;
      }
    }
  }
}