.has-collapsable-nav {
  background-color: mc('blue-grey', '50');
}

.collapsable-nav {
  width: 300px;
  background-color: mc($primary, '500');
  color: #FFF;
  min-height: 80vh;
  transition: all .6s ease;

  &.has-children {
    width: 50px;

    li {
      display: none;
    }
  }

  li {
    display: flex;
    border-top: 1px solid mc($primary, '700');

    &.is-active {
      display: flex;
      height: 50px;
      width: 300px;
      min-width: 80vh;
      @include prefix(transform, rotate(90deg) translate(0, -50px));
      transform-origin: 0 0;

      a {
        height: 50px;
      }

    }

  }

  a {
    display: flex;
    height: 40px;
    width: 100%;
    align-items: center;
    padding: 0 15px;
    color: #FFF;
    cursor: pointer;
    transition: all .4s ease;
    background-color: rgba(0,0,0,0);

    i {
      font-size: 14px;
      margin-right: 10px;
    }

    &:hover {
      background-color: rgba(0,0,0,.1);
      text-decoration: none;
    }

  }

}

.collapsable-nav-sub {
  width: 300px;
  background-color: mc('blue-grey', '800');
  border-left: 1px solid mc('blue-grey', '900');
  color: #FFF;
  min-height: 80vh;

  li {
    display: flex;
    border-top: 1px solid mc('blue-grey', '900');
  }

  a {
    display: flex;
    height: 40px;
    width: 100%;
    align-items: center;
    padding: 0 15px;
    color: #FFF;
    cursor: pointer;
    transition: all .4s ease;
    background-color: rgba(0,0,0,0);

    i {
      font-size: 14px;
      margin-right: 10px;
    }

    &:hover {
      background-color: rgba(0,0,0,.1);
      text-decoration: none;
    }

  }

}