Chatwoot/app/javascript/dashboard/assets/scss/plugins/_multiselect.scss

@mixin label-multiselect-hover {
  &::after {
    color: $color-primary-dark;
  }

  &:hover {
    background: $color-background;

    &::after {
      color: $color-woot;
    }
  }
}

.multiselect {
  margin-bottom: var(--space-normal);

  .multiselect--active {
    > .multiselect__tags {
      border-color: $color-woot;
    }
  }

  .multiselect__select {
    min-height: 4.6rem;
    padding: 0;
    right: 0;
    top: 0;

    &::before {
      right: 0;
      top: 60%;
    }
  }

  .multiselect__content .multiselect__option {
    font-size: $font-size-small;
    font-weight: $font-weight-normal;

    &.multiselect__option--highlight {
      background: var(--white);
      color: var(--color-body);
    }

    &.multiselect__option--highlight:hover {
      background: var(--w-50);
      color: var(--color-body);

      &::after {
        background: var(--w-50);
        color: var(--s-600);
      }
    }

    &.multiselect__option--highlight::after {
      background: transparent;
    }

    &.multiselect__option--selected {
      background: var(--w-400);
      color: var(--white);

      &.multiselect__option--highlight:hover {
        background: var(--w-600);
        color: var(--white);

        &::after {
          background: transparent;
          color: var(--white);

          &:hover {
            color: var(--color-body);
          }
        }
      }
    }
  }

  .multiselect__tags {
    @include margin(0);
    border: 1px solid $color-border;
    border-color: $color-border;
    min-height: 4.4rem;
    padding-top: $zero;
  }

  .multiselect__tags-wrap {
    display: inline-block;
    line-height: 1;
    margin-top: $space-smaller;
  }

  .multiselect__placeholder {
    color: $color-gray;
    font-weight: $font-weight-normal;
    padding-top: var(--space-slab);
  }

  .multiselect__tag {
    $vertical-space: $space-smaller + $space-micro;
    background: $color-background;
    color: $color-heading;
    margin-top: $space-smaller;
    padding: $vertical-space $space-medium $vertical-space $space-one;
  }

  .multiselect__tag-icon {
    @include label-multiselect-hover;
    line-height: $space-medium + $space-micro;
  }

  .multiselect__input {
    @include ghost-input;
    @include padding($zero);
    font-size: $font-size-small;
    height: 4.4rem;
    margin-bottom: $zero;
  }

  .multiselect__single {
    margin-bottom: 0;
    padding: var(--space-slab) var(--space-one);
  }
}

.sidebar-labels-wrap {
  &.has-edited,
  &:hover {
    .multiselect {
      cursor: pointer;
    }
  }

  .multiselect {
    > .multiselect__select {
      visibility: hidden;
    }

    > .multiselect__tags {
      border-color: transparent;
    }

    &.multiselect--active > .multiselect__tags {
      border-color: $color-woot;
    }
  }
}