@import '../../styles/common/colors';
@import '../../styles/common/mixins';
@import '../../styles/common/screen';
@import '../../styles/common/functions';

.panel-group {

  > .panel {
    background: $white;
    border-bottom: 1px solid $neutral-3;

    > span > .panel-header {
      box-sizing: border-box;
      cursor: pointer;
      font-size: 14px;
      font-weight: 200;
      padding: 12px 15px;
      position: relative;
      /* TODO: reintroduce this style if/when https://bugs.chromium.org/p/chromium/issues/detail?id=749165 is resolved
      user-select: none; */

      .title-group {
        @include vertical-align('block');
        /* TODO: reintroduce this style if/when https://bugs.chromium.org/p/chromium/issues/detail?id=749165 is resolved
        user-select: none; */

        h4 {
          color: $neutral-4;
          margin: 0;
          padding-right: 30px;
          position: relative;
          top: 1px;
          transition: all .25s ease;
        }

        .context-icon {
          position: relative;
          top: 2px;
        }

        svg {
          fill: $neutral-4;
          transition: fill .25s ease;
        }

        .context-icon + h4,
        .context-node + h4 {
          margin-left: 10px;
        }
      }

      .toggle-icon {
        opacity: 0;
        position: absolute;
        right: 15px;
        top: 13px;
        transform: rotate(-180deg);
      }

    }

    > span > .panel-content {
      display: none;
      padding: 0 40px 15px;
    }

    &:last-child {
      border-bottom: none;
    }
  }

  > .panel.panel-active {

    > span > .panel-content {
      display: block;
    }

    .toggle-icon {
      opacity: 1;
      top: 15px;
      transform: rotate(0);
    }
  }
}

// Default Theme
.panel-group.default {

  > .panel {
    > span > .panel-header {
      .context-icon {
        transition: all .25s ease;
      }

      .toggle-icon {
        transition: opacity .25s ease;
      }

      &:hover {
        .title-group {
          h4 {
            color: $primary-5;
          }
          svg {
            fill: $primary-5;
          }
        }
        .toggle-icon {
          opacity: 1;
        }
      }
    }
  }

  > .panel.panel-active {
    .title-group {
      h4 {
        color: $primary-5;
      }
      svg {
        fill: $primary-5;
      }
    }
    .toggle-icon {
      opacity: 1;
      top: 15px;
      transform: rotate(0);
    }
  }
}

// Multi-step Theme
.panel-group.multi-step {

  > .panel {
    background-color: $white;
    border-bottom: 0;
    border-radius: 3px;
    margin-bottom: 10px;

    > span > .panel-header {
      background-color: $neutral-2;
      border-radius: 3px 3px 0 0;
      padding: 13px 20px;

      [class^='badge'] {
        border: none;
        border-radius: 50%;
        font-size: 14px;
        height: 20px;
        min-width: 20px;
        width: 20px;
      }

      h4 {
        font-size: 16px;
        position: relative;
        top: 1px;
      }

      svg {
        fill: $neutral-4;
      }

      svg + h4,
      .context-node + h4 {
        margin-left: 20px;
      }

      .toggle-icon {
        opacity: 1;
        top: calc(50% - 6px);
        transform: rotate(0);
      }

      &.inline {
        .toggle-icon {
          transform: rotate(0) translate(0, 1px);
        }
      }

      &:hover {
        .title-group {
          h4 {
            color: $primary-5;
          }
          svg {
            fill: $primary-5;
          }
        }
        .toggle-icon {
          opacity: 1;
        }
      }

      @media #{$media-small-minus} {
        padding: 13px;
      }
    }

    > span > .panel-content {
      padding: 0;
    }

    &:last-child {
      margin-bottom: 0;
    }
  }

  > .panel.panel-active {

       > span > .panel-header {
        background-color: $primary-1;

        [class^='badge'] {
          background-color: $primary-2;
        }

        .title-group {
          h4 {
            color: $white;
          }
        }

        .toggle-icon {
          top: calc(50% - 12px);
          transform: rotate(180deg);

          svg {
            fill: $white;
          }
        }

        &.inline .toggle-icon {
          transform: rotate(180deg) translate(0, 2px);
        }
      }

       > span > .panel-content {
        padding: 20px;
      }
    }

}

// Simple Theme
.panel-group.simple {

  > .panel {
    background: transparent;
    border-bottom: 0;

     > span > .panel-header {
      padding: 15px 0;

      h4 {
        color: $primary-1;
        font-size: 18px;
      }

      svg {
        fill: $primary-1;
      }

      .toggle-icon {
        display: none;
      }
    }

    > span > .panel-content {
      padding: 0;
    }

    &:last-child {
      margin-bottom: 0;
    }
  }

  > .panel {
    > span > .panel-header {
      .context-icon {
        left: 0;
        top: 0;
        transform: rotate(-90deg);
      }
    }
  }

  > .panel.panel-active {
    > span > .panel-header {
      .context-icon {
        left: 0;
        top: 2px;
        transform: rotate(0deg);
      }
    }
    > span > .panel-content {
      padding: 0 0 15px;
    }
  }
}

// Inline Theme
.panel-group.inline {
  > .panel {
    border-bottom: none;

    > span > .panel-header {
      padding: 12px 0;

      > div {
        display: flex;
        align-items: center;
      }

      .title-group {
        padding-right: 10px;
      }

      .toggle-icon {
        opacity: 1 !important;
        position: static;
        transform: rotate(-180deg) translate(0, 1px);

        svg {
          fill: $neutral-4 !important;
        }
      }
    }

    > span > .panel-content {
      padding: 0 0 15px;
    }
  }

  > .panel.panel-active {
    > span > .panel-header .toggle-icon {
      transform: rotate(0) translate(0, 2px);
    }
  }
}

// Panel Slider
.panel-slider {
  margin: 0 auto;
  position: relative;
  width: 100%;

  .wrapper {
    position: relative;
    width: 100%;
    transform-style: preserve-3d;
  }

  .inner {
    overflow: visible;
    position: relative;
    width: 100%;
  }

  .panel-wrap {
    display: flex;
    margin: 0;
    padding: 0;
    position: relative;
    transition: transform .5s cubic-bezier(.75, 0, .1, 1);
    white-space: normal;
  }

  .panel {
    display: inline-block;
    max-height: 100px;
    flex: 1 0 auto;
    transition: max-height .5s ease;
    visibility: hidden;
    width: 100%;

    &.panel-active {
      max-height: 1000px;
      overflow: visible;
      visibility: visible;
    }
  }

  &.is-transitioning {
    .inner {
      overflow: hidden;
    }
    .panel {
      visibility: visible;
    }
  }
}