// Gradients

@mixin gradient-bg($color: null) {
  background-color: $color;

  @if $enable-gradients {
    background-image: var(--#{$variable-prefix}gradient);
  }
}

// Horizontal gradient, from left to right
//
// Creates two color stops, start and end, by specifying a color and position for each color stop.
@mixin gradient-x(
  $start-color: $gray-700,
  $end-color: $gray-800,
  $start-percent: 0%,
  $end-percent: 100%
) {
  background-image: linear-gradient(
    to right,
    $start-color $start-percent,
    $end-color $end-percent
  );
}

// Vertical gradient, from top to bottom
//
// Creates two color stops, start and end, by specifying a color and position for each color stop.
@mixin gradient-y(
  $start-color: $gray-700,
  $end-color: $gray-800,
  $start-percent: null,
  $end-percent: null
) {
  background-image: linear-gradient(
    to bottom,
    $start-color $start-percent,
    $end-color $end-percent
  );
}

@mixin gradient-directional(
  $start-color: $gray-700,
  $end-color: $gray-800,
  $deg: 45deg
) {
  background-image: linear-gradient($deg, $start-color, $end-color);
}

@mixin gradient-x-three-colors(
  $start-color: $blue,
  $mid-color: $purple,
  $color-stop: 50%,
  $end-color: $red
) {
  background-image: linear-gradient(
    to right,
    $start-color,
    $mid-color $color-stop,
    $end-color
  );
}

@mixin gradient-y-three-colors(
  $start-color: $blue,
  $mid-color: $purple,
  $color-stop: 50%,
  $end-color: $red
) {
  background-image: linear-gradient(
    $start-color,
    $mid-color $color-stop,
    $end-color
  );
}

@mixin gradient-radial($inner-color: $gray-700, $outer-color: $gray-800) {
  background-image: radial-gradient(circle, $inner-color, $outer-color);
}

@mixin gradient-striped($color: rgba($white, 0.15), $angle: 45deg) {
  background-image: linear-gradient(
    $angle,
    $color 25%,
    transparent 25%,
    transparent 50%,
    $color 50%,
    $color 75%,
    transparent 75%,
    transparent
  );
}