/**
** FILTER
** Component for filtering content
**
** EXAMPLE:
** <div class="c-filter__list">
**   <span class="c-filter__label">FILTER:</span>
**   <div class="c-filter__item">
**     <input type="checkbox" class="c-filter__input" name="gruppe" id="1T" value="1T">
**     <label for="1T"><span class="c-filter__item-checkbox"></span></label>
**   </div>
**   <div class="c-filter__item">
**    <input type="checkbox" class="c-filter__input" name="gruppe" id="R1" value="R1">
**    <label for="R1"><span class="c-filter__item-checkbox"></span></label>
**   </div>
** </div>
**/

.c-filter {
  align-items: center;
  flex-grow: 2;

  & > h1,
  & > h2,
  & > h3 {
    border-bottom: 1px solid $brand-color--light;
    margin-bottom: $spacing--small;

    @include mq(tablet) {
      border: none;
    }
  }

  &__wrapper-multiple-filters {
    > * {
      > .c-filter__label {
        width: 120px;
      }
      > .c-filter__item-wrapper {
        width: calc(100% - 120px);
      }
      &:not(:last-child) {
        margin-bottom: $spacing--small;
        @include mq(tabletWide) {
          margin-bottom: $spacing--small / 2;
        }
      }
      &:not(:first-child) {
        border-top: 1px solid $brand-grey--lighter;
        @include mq(tabletWide) {
          padding-top: $spacing--small;
        }
        @include mq($until: tabletWide) {
          .c-active-filters {
            padding-top: $spacing--small;
          }
        }
      }
    }
  }

  &__list {
    margin: 0;
    padding: 0;
    top: 80px;
    width: 100%;
    font-family: $font;
    display: flex;
    align-items: flex-start;
    flex-flow: column;

    @include mq(tablet) {
      width: auto;
      position: relative;
      top: 0;
      border: none;
      padding-top: 0;
      flex-flow: row;
      .c-filter__label {
        margin-right: $spacing;
      }
    }

    &--float-right {
      float: right;
      top: 0;
      width: auto;
      padding: 0;
      border: none;
      margin-right: -$spacing--small;
      margin-top: -4px;
    }

    &--search,
    &--search-popover {
      flex-flow: column;

      @include mq(desktop) {
        .c-filter {
          &__label {
            display: block;
            margin: 0 0 $spacing--small 0;
            font-weight: 600;
          }
          &__item {
            display: block;
            margin: 0 0 $spacing--small;
          }
        }
      }
    }

    &--search-popover {
      .c-filter {
        &__label {
          @include font-size(16px, 32px);

          @include mq(desktop) {
            @include font-size(22px, 32px);
            margin-bottom: $spacing--medium;
          }
        }

        &__item-wrapper {
          @include mq(desktop) {
            columns: 2;
          }
        }

        &__item {
          display: list-item;
        }
      }
    }

    &--filter-single-checkbox {
      @include mq($until: mobileWide) {
        width: 100% !important;
        margin: $spacing 0 0 0 !important;
        padding: $spacing--small / 2 $left-margin-narrow-screen;
        background: $brand-grey--lighter;
        flex-direction: row;
        .c-filter__item label {
          padding-left: 0;
          flex-direction: row;
          .c-filter__item-checkbox {
            margin-right: $spacing--small;
          }
        }
      }
    }
  }

  &__label {
    @include font-size(16px, 22px);

    @include mq(tablet) {
      margin: 0 0 $spacing--small;
    }

    @include mq($until: mobileWide) {
      padding-left: $spacing;
      padding-right: $spacing;
    }

    &--hidden {
      @include visually-hidden();
    }
  }

  &__item-wrapper {
    margin: 0;
    padding: 0;
    list-style: none;

    @include mq($until: mobileWide) {
      flex-flow: wrap;
      width: 100%;
      flex-flow: column;
      .c-filter__item {
        width: 100%;
        border-bottom: 1px solid $brand-grey--lighter;
        margin-bottom: 0;
      }
    }

    &--collapse-mobile {
      @include mq($from: mobileWide, $until: tabletWide) {
        flex-flow: wrap;
        width: calc(100% + 24px);
        margin-left: -24px;
        .c-filter__item {
          width: auto;
          max-width: 50%;
          flex: 50%;
          padding-left: $spacing--small;
          padding-right: $spacing--small;
          transform: translateX($spacing--small);
          &:nth-child(odd) {
            transform: translateX($spacing--small - 2);
          }
        }
      }

      @include mq($until: tabletWide) {
        display: flex;
        align-items: flex-start;

        .c-filter__item {
          margin: 0;
          background: #fff;
          display: flex;
          position: static;
          min-height: 52px;
          align-items: center;
          border-bottom: 1px solid $brand-grey--lighter;
        }
        .c-filter__label {
          text-transform: uppercase;
          @include font-size(12px, 16px);
        }
        .c-filter__input {
          position: absolute;
          top: 0;
          left: 0;
          width: 0;
          height: 0;
          opacity: 0;
          z-index: 5;
          cursor: pointer;
        }
      }
    }
    &--aligned-grouping {
      @include mq($until: 568px) {
        > li {
          width: 100%;
        }
      }
      @include mq(568px) {
        > li {
          width: 235px;
        }
      }
    }
  }

  &__item {
    display: inline-block;
    position: relative;
    @include mq(tabletWide) {
      margin: 0 $spacing--small 0 2px;
    }
    color: $brand-color;
    border-radius: $border-radius;
    transition: $transition;
    cursor: pointer;
    @include font-size(16px, 18px);

    &--hidden {
      display: none !important;
    }

    &--no-results {
      cursor: not-allowed;
      pointer-events: none;
      color: $brand-color--tertiary;

      .c-filter__item-checkbox {
        opacity: 0.5;
      }
    }

    &:hover {
      .c-filter__item-checkbox {
        border: 2px solid $brand-color--tertiary;
        &:before {
          width: 5px;
          transition: width 100ms ease;
        }
        &:after {
          width: 10px;
          transition: width 150ms ease 100ms;
        }
      }
    }

    .c-icon {
      margin-left: $spacing--small;
    }

    input:checked {
      & + label .c-filter__item-checkbox {
        border: 2px solid $brand-color;
        background: $brand-color;
        &:before {
          background: white;
          width: 5px;
        }
        &:after {
          background: white;
          width: 10px;
        }
      }
    }

    input {
      &:focus,
      &:active {
        & + label {
          @include restore-outline();
        }
      }
    }

    label {
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      @include mq($until: mobileWide) {
        width: 100%;
        padding: $spacing--small / 2 $spacing;
        justify-items: space-between;
        flex-direction: row-reverse;
        min-height: 52px;
        align-items: center;
        .c-filter__text {
          flex-grow: 1;
        }
        .c-filter__item-checkbox {
          margin-right: 0;
        }
        .c-icon {
          margin-left: 0;
          margin-right: $spacing--small;
        }
      }
    }
  }

  &__icon {
    margin: 3px 0;
  }

  &__input {
    position: absolute;
    // width: 100%;
    // height: 100%;
    opacity: 0;
    z-index: 5;
    cursor: pointer;
  }

  &__item-checkbox {
    content: '';
    display: inline-block;
    position: relative;
    width: 24px;
    height: 24px;
    padding: 0;
    background: $white;
    border: 2px solid $brand-color--tertiary;
    margin: 2px $spacing--small 2px 3px;
    border-radius: 2px;
    flex-shrink: 0;

    @include mq(tablet) {
      width: 20px;
      height: 20px;
      margin: 4px $spacing--small 4px 3px;
    }

    &:before {
      content: '';
      width: 0px;
      height: 2px;
      border-radius: 2px;
      background: $brand-color--tertiary;
      position: absolute;
      transform: rotate(45deg);
      top: 10px;
      left: 7px;

      @include mq(tablet) {
        top: 8px;
        left: 5px;
      }
      transition: width 50ms ease 50ms;
      transform-origin: 0% 0%;
    }

    &:after {
      content: '';
      width: 0;
      height: 2px;
      border-radius: 2px;
      background: $brand-color--tertiary;
      position: absolute;
      transform: rotate(305deg);
      top: 13px;
      left: 8px;

      @include mq(tablet) {
        top: 11px;
        left: 6px;
      }
      transition: width 50ms ease;
      transform-origin: 0% 0%;
    }
  }

  &__expand {
    display: flex;
    align-items: center;
    background: none;
    border: 0;
    padding: 0;
    margin-top: $spacing;
    cursor: pointer;
    color: $brand-color;
    @include font-size(16px, 32px);

    span {
      margin-right: $spacing;
    }
    @include mq($until: mobileWide) {
      margin-top: 0;
      padding: $spacing--small / 2 $spacing;
      width: 100%;
      justify-content: space-between;
      min-height: 52px;
      border-bottom: 1px solid $brand-grey--lighter;
    }
  }

  &--background {
    background-color: $brand-grey--lightest;
    padding: $spacing;
    @include mq($until: mobileWide) {
      padding: 0;
    }
  }

  &__usefilter-wrapper {
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: $spacing--large 0 $spacing--large;
  }

  &__no-filter-selected {
    color: $text-light-color;
    @include font-size(16px, 16px);
    @include mq($until: mobileWide) {
      padding: 0 $spacing $spacing--small $spacing;
    }
  }

  &__narrow-active-filters {
    .c-active-filters {
      padding-bottom: 0;
      flex-direction: row;
      button {
        margin-right: $spacing--small / 2;
        width: auto;
      }
    }
  }

  &__modal-button {
    margin-top: $spacing--small / 2;
  }
}