/*
* Glowing Buttons
*
* A pulse like glow that appears
* rythmically around the edges of
* a button.
*/

$ubtn-default-glow-color: #2c9adb !default;


/*
* Glow animation mixin for Compass users
*
*/

@mixin glow($animation-name) {
  animation-duration: 3s;
  animation-iteration-count: infinite;
  animation-name: $animation-name;
}


/*
* Glowing Keyframes
*
*/

@if($ubtn-use-compass) {
  @include keyframes(glowing) {
    from { @include box-shadow(0 0 0 rgba($ubtn-default-glow-color, 0.3));}
    50% { @include box-shadow(0 0 20px rgba($ubtn-default-glow-color, 0.8));}
    to { @include box-shadow(0 0 0 rgba($ubtn-default-glow-color, 0.3));}
  }
}
@else {
  @keyframes glowing {
  from { box-shadow: 0 0 0 rgba($ubtn-default-glow-color, 0.3);}
  50% { box-shadow: 0 0 20px rgba($ubtn-default-glow-color, 0.8);}
  to { box-shadow: 0 0 0 rgba($ubtn-default-glow-color, 0.3);}
  }
}


/*
* Glowing Keyframes for various colors
*
*/

@each $ubtn-color in $ubtn-colors {
  $ubtn-name: nth($ubtn-color, 1);
  $ubtn-background: nth($ubtn-color, 2);
  $ubtn-color: nth($ubtn-color, 3);

  @if($ubtn-use-compass) {
    @include keyframes(glowing-#{$ubtn-name}) {
      from { @include box-shadow(0 0 0 rgba($ubtn-background, 0.3));}
      50% { @include box-shadow(0 0 20px rgba($ubtn-background, 0.8));}
      to { @include box-shadow(0 0 0 rgba($ubtn-background, 0.3));}
    }
  }
  @else {
    @keyframes glowing-#{$ubtn-name} {
    from { box-shadow: 0 0 0 rgba($ubtn-background, 0.3);}
    50% { box-shadow: 0 0 20px rgba($ubtn-background, 0.8);}
    to { box-shadow: 0 0 0 rgba($ubtn-background, 0.3);}
    }
  }
}


/*
* Glowing Buttons Base Styes
*
* A pulse like glow that appears
* rythmically around the edges of
* a button.
*/

#{$ubtn-namespace}-glow {
  @if($ubtn-use-compass) {
    @include glow(glowing);

    &:active,
    &.active,
    &.is-active {
      @include no_animation;
    }
  }
  @else {
    animation-duration: 3s;
    animation-iteration-count: infinite;
    animation-name: glowing;

    &:active,
    &.active,
    &.is-active {
      animation-name: none;
    }
  }
}


/*
* Glowing Button Colors
*
* Create colors for glowing buttons
*/

#{$ubtn-namespace}-glow {
  @each $ubtn-color in $ubtn-colors {
    $ubtn-name: nth($ubtn-color, 1);
    $ubtn-background: nth($ubtn-color, 2);
    $ubtn-color: nth($ubtn-color, 3);
    $ubtn-color-namespace: $ubtn-namespace + '-' + $ubtn-name;

    &#{$ubtn-color-namespace} {
      animation-name: glowing-#{$ubtn-name};
    }
  }
}

