// Image Comparison Slider

$brand-blue-core: #0091df;
$brand-blue-mid: #00617f;

$base-light: #fff;
$base-dark: #000;
$base-pale: #f2f2f2;


.image-comparison {
  max-width: 48.063em;
  margin-right: auto;
  margin-left: auto;
}

.image-comparison__slider-wrapper {
  position: relative;
}

.image-comparison__label {
  font-size: 0;
  line-height: 0;
}

.image-comparison__label,
.image-comparison__range {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  background-color: transparent;
  border: none;
  appearance: none;
  outline: none;
  cursor: ew-resize;
  z-index: 20;
}

.image-comparison__range {
  @media (hover) {
    &:hover ~ .image-comparison__slider .image-comparison__thumb {
      transform: scale(1.2);
    }
  }
}

// Specificity needed to override hover state above
.image-comparison .image-comparison__slider-wrapper .image-comparison__range:active,
.image-comparison .image-comparison__slider-wrapper .image-comparison__range:focus,
.image-comparison .image-comparison__slider-wrapper .image-comparison__range--active {
  ~ .image-comparison__slider .image-comparison__thumb {
    transform: scale(0.8);
    background-color: rgba($brand-blue-mid, 0.5);
  }
}

.image-comparison__image-wrapper--overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: calc(50% + 1px);
  height: 100%;
  overflow: hidden;
}

.image-comparison__figure {
  margin: 0;
  
  &::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: $base-pale;
  }

  &:not(&--overlay) {
    position: relative;
    padding-top: 66.666666667%;
  }
}

.image-comparison__image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 0 50%;
  overflow: hidden;

  .image-comparison__figure--overlay & {
    z-index: 1;
  }
}

.image-comparison__caption {
  position: absolute;
  bottom: 12px;
  min-width: max-content;
  display: flex;
  flex-direction: column;
  flex-wrap: nowrap;
  color: $base-light;
  font-weight: bold;
  text-transform: uppercase;
  
  @media screen and (max-width: 40.063em) {
    font-size: 12px;
  }
}

.image-comparison__caption--before {
  left: 12px;
  z-index: 2;
}

.image-comparison__caption--after {
  right: 12px;
  text-align: right;
}

.image-comparison__caption-body {
  max-width: 40vmin;
  padding: 6px 12px;
  background-color: rgba($base-dark, 0.55);
}

.image-comparison__slider {
  position: absolute;
  top: 0;
  left: 50%;
  width: 2px;
  height: 100%;
  background-color: $base-light;
  transition: background-color 0.3s ease-in-out;
  z-index: 10;

  .image-comparison__range--active ~ & {
    background-color: rgba($base-light, 0);
  }
}

.image-comparison__thumb {
  position: absolute;
  top: calc(50% - 20px);
  left: calc(50% - 20px);
  width: 40px;
  height: 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background-color: $brand-blue-core;
  color: $base-light;
  border-radius: 50%;
  box-shadow: 0 0 22px 0 rgba($base-dark, 0.5);
  transform-origin: center;
  transition: transform 0.3s ease-in-out, background-color 0.3s ease-in-out;
}

.image-comparison__range::-webkit-slider-runnable-track {
  width: 40px;
  height: 40px;
  opacity: 0;
}

.image-comparison__range::-moz-range-thumb {
  width: 40px;
  height: 40px;
  opacity: 0;
}

.image-comparison__range::-webkit-slider-thumb {
  width: 40px;
  height: 40px;
  opacity: 0;
}

.image-comparison__range::-ms-fill-lower {
  background-color: transparent;
}

.image-comparison__range::-ms-track {
  position: relative;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
  margin: 0;
  padding: 0;
  background-color: transparent;
  color: transparent;
  outline: none;
  cursor: col-resize;
}

.image-comparison__range::-ms-thumb {
  width: 0.5%;
  height: 100%;
  opacity: 0;
}

.image-comparison__range::-ms-tooltip {
  display: none;
}