/*
 *  Usage:
 *
      <div class="sk-chasing-dots">
        <div class="sk-child"></div>
        <div class="sk-child"></div>
      </div>
 *
 */
@import "../variables";

$spinkit-chasing-dots-width: $spinkit-size;
$spinkit-chasing-dots-height: $spinkit-size;
$spinkit-chasing-dots-margin: $spinkit-spinner-margin;
$spinkit-chasing-dots-background-color: $spinkit-spinner-color;
$spinkit-chasing-dots-animation-duration: 2.0s !default;
$spinkit-chasing-dots-css-export: true !default;

@keyframes sk-chasingDotsRotate {
  100% {
    transform: rotate(360deg);
  }
}

@keyframes sk-chasingDotsBounce {
  0%, 100% {
    transform: scale(0);
  } 50% {
    transform: scale(1.0);
  }
}
@mixin sk-chasing-dots-size(
  $width: $spinkit-chasing-dots-width,
  $height: $spinkit-chasing-dots-height
) {
  width: $width;
  height: $height;
}

@mixin sk-chasing-dots-color(
  $color: $spinkit-chasing-dots-background-color
) {
  .sk-child {
    background-color: $color;
  }
}

@mixin sk-chasing-dots-style(
  $width: $spinkit-chasing-dots-width,
  $height: $spinkit-chasing-dots-height,
  $color: $spinkit-chasing-dots-background-color,
  $margin: $spinkit-chasing-dots-margin
) {
  margin: $margin;

  @include sk-chasing-dots-size(
    $width: $width,
    $height: $height
  );

  @include sk-chasing-dots-color(
    $color: $color
  );
}

@mixin sk-chasing-dots(
  $width: $spinkit-chasing-dots-width,
  $height: $spinkit-chasing-dots-height,
  $color: $spinkit-chasing-dots-background-color,
  $margin: $spinkit-chasing-dots-margin,
  $duration: $spinkit-chasing-dots-animation-duration
) {
  position: relative;
  text-align: center;
  animation: sk-chasingDotsRotate $duration infinite linear;

  .sk-child {
    width: 50%;
    height: 50%;
    display: inline-block;
    position: absolute;
    top: 0;
    border-radius: 100%;
    animation: sk-chasingDotsBounce $duration infinite ease-in-out;

    &:nth-child(2) {
      top: auto;
      bottom: 0;
      animation-delay: - $duration/2;
    }
  }

  @include sk-chasing-dots-style(
    $width: $width,
    $height: $height,
    $color: $color,
    $margin: $margin
  );
}

@if ($spinkit-chasing-dots-css-export) {
  .sk-chasing-dots {
    @include sk-chasing-dots;
  }
}