$dropzone--background: $textbox--background;
$dropzone--foreground: $textbox--foreground;
$dropzone--foreground--dragging: $blue;
$dropzone--border: $textbox--border;
$dropzone--border--hover: darken($dropzone--border, 20%);
$dropzone--border--dragging: $blue;
$dropzone--browse--foreground: $blue;
$dropzone--icon--fill: rgba($dropzone--foreground, 0.5);
$dropzone--icon--fill--hover: $blue;
$dropzone--icon--fill--dragging: $blue;

$dropzone--file--foreground: $dropzone--foreground;

.dropzone {
  position: relative;
  text-align: center;
  transition: border 0.25s, color 0.25s;
  width: 100%;
  z-index: 2;

  &:hover {
    border-color: $input--inverse--border--hover;

    .dropzone__icon {

      .icon {
        fill: $dropzone--icon--fill--hover;
      }
    }
  }

  &--is-dragging {

    &,
    &:hover {
      border-color: $dropzone--border--dragging;
      color: $dropzone--foreground--dragging;

      .dropzone__icon {

        .icon {
          fill: $dropzone--icon--fill--dragging;
        }
      }
    }
  }

  &__icon {

    .icon {

      &--files {
        fill: $dropzone--icon--fill;
        height: 64px;
        transition: fill 0.25s;
        width: 64px;

        &__file {

          &--right,
          &--left {
            fill-opacity: 0.5;
          }
        }
      }
    }
  }

  &__copy {
    cursor: pointer;
    flex: 1;
    font-size: $font-size--x-small;
    padding: $spacing-unit;
    width: 100%;
  }

  &__browse-button {
    color: $dropzone--browse--foreground;
    text-decoration: underline;
  }

  &__selected-files {
    font-size: $font-size--small;
    margin-bottom: -1px;
    position: relative;
    width: 100%;
    z-index: 1;

    &.interactive-list {
      border-bottom-left-radius: 0;
      border-bottom-right-radius: 0;
    }

    & + .dropzone {
      border-top-left-radius: 0;
      border-top-right-radius: 0;
    }

    &__file {

      .icon {

        &--file {
          display: inline-block;
          height: 14px;
          margin-right: 4px;
          opacity: 0.5;
          width: 14px;

          &.icon {
            fill: currentColor;
          }
        }
      }

      &:hover {

        .icon {

          &--file {
            opacity: 0.5;
          }
        }
      }
    }
  }

  &--with-overlay {
    text-align: inherit;
    border: none;

    .dropzone__overlay {
      position: absolute;
      visibility: hidden;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: #fff;
      z-index: 2;
      text-align: center;
      opacity: 0;
      transition: opacity 250ms ease-in, visibility 1ms linear 250ms;
    }

    &.dropzone--is-dragging .dropzone__overlay {
      top: 0;
      opacity: 1;
      visibility: visible;
      transition: opacity 250ms ease-in;
    }

    .dropzone__copy {
      position: absolute;
      top: 50%;
      height: 150px;
      margin-top: -75px;
    }
  }
}
