// Button variants
//
// Easily pump out default styles, as well as :hover, :focus, :active,
// and disabled options for all buttons

@function button-highlight($color) {
  @return tint($color, 20%);
}

@function button-press($color) {
  @return shade($color, 20%);
}



@mixin button-variant($color, $background, $border) {
  color: $color;
  background-color: $background;
  border-color: $border;
  &:focus,
  &.focus {
    color: $color;
  }
  &.disabled,
  &:disabled {
    &:focus,
    &.focus {
      background-color: $background;
      border-color: $border;
      color: $color;
    }
    @include hover {
      background-color: $background;
      border-color: $border;
      color: $color;
    }
  }
}


@mixin alternate-button-variant($color, $background, $border) {
  $highlight-background: button-highlight($background);
  $highlight-border: button-highlight($border);
  $press-background: button-press($background);
  $press-border: button-press($background);
  color: $color;
  background-color: $background;
  border-color: $border;

  @include hover {
    color: $color;
    background-color: $highlight-background;
    border-color: $highlight-background;
    box-shadow: $box-shadow-1;
  }

  &:active,
  &.active,
  .open > &.dropdown-toggle {
    color: $color;
    background-color: $press-background;
    border-color: $press-border;
    // Remove the gradient for the pressed/active state
    background-image: none;

    &:hover,
    &:focus,
    &.focus {
      color: $color;
      background-color: $press-background;
      border-color: $press-border;
      box-shadow: none;
    }
  }

  &.disabled,
  &:disabled {
    &:focus,
    &.focus {
      background-color: $background;
      border-color: $border;
    }
    @include hover {
      background-color: $background;
      border-color: $border;
    }
    &:hover {
      box-shadow: none;
    }
  }
}

@mixin button-outline-variant($color, $hover-text-color: #fff) {
  $highlight-color: tint($color, 20%);
  $press-color: shade($color, 20%);
  color: $color;
  background-image: none;
  background-color: transparent;
  border-color: $color;

  @include hover {
    color: $hover-text-color;
    background-color: $highlight-color;
    border-color: $highlight-color;
    box-shadow: $box-shadow-1;
  }

  &:focus,
  &.focus {
    box-shadow: inset 0 0 0 1px $color;
    &:hover {
      background-color: $highlight-color;
      border-color: $highlight-color;
      box-shadow: $box-shadow-1;
    }
  }

  &:active,
  &.active,
  .open > &.dropdown-toggle {
    color: $hover-text-color;
    background-color: $press-color;
    border-color: $press-color;
    // Remove the gradient for the pressed/active state
    background-image: none;

    &:hover,
    &:focus,
    &.focus {
      color: $hover-text-color;
      background-color: $press-color;
      border-color: $press-color;
      box-shadow: none;
    }
  }

  &.disabled,
  &:disabled {
    &:focus,
    &.focus {
      border-color: $color;
    }
    @include hover {
      border-color: $color;
      color: $color;
      background: transparent;
    }
  }
}

// Button sizes
@mixin button-size($padding-y, $padding-x, $font-size, $line-height, $border-radius) {
  padding: $padding-y $padding-x ($padding-y - 1) $padding-x;
  font-size: $font-size;
  line-height: $line-height;
  @include border-radius($border-radius);
}