/*back to top*/
.back-to-top {
  position: fixed;
  bottom: 16px;
  right: 16px;
  background: $primary;
  width: 40px;
  height: 40px;
  text-decoration: none;
  border-radius: 50%;
  display: block;
  visibility: hidden;
  opacity: 0;
  text-align: center;
  transition:
    $transition-base,
    transform 0.25s cubic-bezier(0.75, -0.5, 0, 1.75),
    visibility 0.3s linear,
    opacity 0.3s ease-in-out;
  z-index: 1;
  transform: scale(0.7);
  transform-origin: center center;
  //fade in
  &.back-to-top-show {
    visibility: visible;
    opacity: 1;
    transition:
      $transition-base,
      transform 0.05s ease-out,
      visibility 0s linear,
      opacity 0.1s ease-in-out;
    transform: scale(1);
  }
  &:hover {
    background: shade-color($primary, 10%);
    text-decoration: none;
  }
  //caret
  .icon {
    margin: 0;
    position: relative;
    transform: scale(0.75);
    top: 4px;
    &:before {
      margin: 0;
      color: $white;
    }
  }

  //shadow
  &.shadow {
    &:hover {
      box-shadow: 0 0.3rem 0.75rem rgba(0, 0, 0, 0.3) !important;
    }
  }

  //dark version
  &.dark {
    background: #fff;
    &:hover {
      background: $neutral-1-a1; // TODO Missing in the UI kit
    }

    //caret
    .icon {
      &:before {
        color: $neutral-1-a8; // TODO Missing in the UI kit
      }
    }
  }
}

//Tablet vertical
@include media-breakpoint-up(md) {
  /*back to top*/
  .back-to-top {
    width: 56px;
    height: 56px;
    .icon {
      transform: scale(1);
      top: 10px;
    }
    //small version
    &.back-to-top-small {
      width: 40px;
      height: 40px;
      //caret
      .icon {
        transform: scale(0.75);
        top: 4px;
      }
    }
  }
}

//Desktop
@include media-breakpoint-up(xl) {
  .back-to-top {
    bottom: 32px;
    right: 32px;
  }
}