/* -------------------------------- 

File#: _2_image-comparison-slider
Title: Image Comparison Slider
Descr: A draggable image slider used to compare two versions of the same image
Usage: codyhouse.co/license

-------------------------------- */
.compare-slider {
  position: relative;
}
.compare-slider img {
  display: block;
  width: 100%;
  pointer-events: none;
}

.compare-slider__inner {
  position: relative;
}

.compare-slider__img {
  position: relative;
  -webkit-user-select: none;
     -moz-user-select: none;
      -ms-user-select: none;
          user-select: none;
  overflow: hidden;
}

.compare-slider__caption {
  position: absolute;
  bottom: 0;
  font-size: var(--text-sm);
  padding: var(--space-sm);
  background-color: hsla(var(--color-black-h), var(--color-black-s), var(--color-black-l), 0.75);
  color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-backdrop-filter: blur(10px);
          backdrop-filter: blur(10px);
  transition: opacity 0.3s, visibility 0.3s, -webkit-transform 0.3s;
  transition: opacity 0.3s, visibility 0.3s, transform 0.3s;
  transition: opacity 0.3s, visibility 0.3s, transform 0.3s, -webkit-transform 0.3s;
}

.compare-slider__img--original .compare-slider__caption {
  right: 0;
}

.compare-slider__img--modified .compare-slider__caption {
  left: 0;
}

.compare-slider__handle {
  display: none;
  position: absolute;
  top: 50%;
  left: 50%;
  height: 44px;
  width: 44px;
  border-radius: 50%;
  color: var(--color-contrast-higher);
  background-color: var(--color-bg);
  box-shadow: var(--shadow-sm);
  cursor: -webkit-grab;
  cursor: grab;
  will-change: left;
  align-items: center;
  justify-content: center;
  -webkit-transform: translateY(-50%) translateX(-50%) scale(0);
          transform: translateY(-50%) translateX(-50%) scale(0);
  margin-left: -1px;
}

.compare-slider--is-dragging .compare-slider__handle {
  cursor: -webkit-grabbing;
  cursor: grabbing;
  box-shadow: var(--shadow-sm), 0 0 0 4px hsla(var(--color-contrast-higher-h), var(--color-contrast-higher-s), var(--color-contrast-higher-l), 0.5);
}

.compare-slider__input-handle {
  display: none;
  position: absolute;
  top: 0;
  left: 0;
  pointer-events: none;
  opacity: 0;
}

.compare-slider__input-handle:focus + .compare-slider__handle {
  color: var(--color-primary);
  box-shadow: var(--shadow-sm), 0 0 0 4px hsla(var(--color-contrast-higher-h), var(--color-contrast-higher-s), var(--color-contrast-higher-l), 0.5);
}

.compare-slider__img--modified {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 0%;
  -webkit-transform: translateZ(0);
          transform: translateZ(0);
  border-right: 2px solid var(--color-bg);
  will-change: width;
}
.compare-slider__img--modified img {
  height: 100%;
  width: auto;
  max-width: none;
}

.compare-slider--in-viewport .compare-slider__img--modified {
  width: 50%;
  -webkit-animation: compare-slider-bounce-in 0.7s;
          animation: compare-slider-bounce-in 0.7s;
}

.compare-slider__caption {
  opacity: 0;
  -webkit-transform: translateY(20px);
          transform: translateY(20px);
}

.compare-slider--in-viewport .compare-slider__caption {
  opacity: 1;
  -webkit-transform: translateY(0);
          transform: translateY(0);
}

.compare-slider--in-viewport .compare-slider__caption--is-hidden {
  opacity: 0;
  visibility: hidden;
}

.compare-slider__img--original .compare-slider__caption--is-hidden {
  -webkit-transform: translateX(30px);
          transform: translateX(30px);
}

.compare-slider__img--modified .compare-slider__caption--is-hidden {
  -webkit-transform: translateX(-30px);
          transform: translateX(-30px);
}

.compare-slider__handle {
  display: block;
  display: flex;
  opacity: 0;
}

.compare-slider--in-viewport .compare-slider__handle {
  transition: opacity 0s 0.7s, -webkit-transform 0.3s 0.7s;
  transition: transform 0.3s 0.7s, opacity 0s 0.7s;
  transition: transform 0.3s 0.7s, opacity 0s 0.7s, -webkit-transform 0.3s 0.7s;
  -webkit-transform: translateY(-50%) translateX(-50%) scale(1);
          transform: translateY(-50%) translateX(-50%) scale(1);
  opacity: 1;
}

.compare-slider__input-handle {
  display: block;
}

.compare-slider--reduced-motion .compare-slider__img--modified {
  -webkit-animation: none;
          animation: none;
}

.compare-slider--reduced-motion .compare-slider__handle,
.compare-slider--reduced-motion .compare-slider__caption {
  transition: none;
}

@-webkit-keyframes compare-slider-bounce-in {
  0% {
    width: 0%;
  }
  60% {
    width: 55%;
  }
  100% {
    width: 50%;
  }
}

@keyframes compare-slider-bounce-in {
  0% {
    width: 0%;
  }
  60% {
    width: 55%;
  }
  100% {
    width: 50%;
  }
}