// stylelint-disable selector-no-qualifying-type

//
// Base styles
//

.btn {
  font-family: $btn-font-family;
  color: $body-color;
  @include font-size($btn-font-size);
  font-weight: $btn-font-weight;
  line-height: $btn-line-height;
  user-select: none;
  text-align: center;
  display: inline-block;
  @include border-radius($btn-border-radius, 0);
  vertical-align: middle;
  padding: $btn-padding-y $btn-padding-x;
  border: $btn-border-width solid transparent;
  background-color: transparent;
  @include transition($btn-transition);

  @include hover {
    color: $body-color;
    text-decoration: none;
  }

  &:focus, &.focus {
    outline: 0;
    box-shadow: $btn-focus-box-shadow;
  }

  // Disabled comes first so active can properly restyle
  &.disabled, &:disabled {
    opacity: $btn-disabled-opacity;
    @include box-shadow(none);
  }

  &:not(:disabled):not(.disabled):active, &:not(:disabled):not(.disabled).active {
    @include box-shadow($btn-active-box-shadow);

    &:focus {
      @include box-shadow($btn-focus-box-shadow, $btn-active-box-shadow);
    }
  }
}

// Future-proof disabling of clicks on `<a>` elements
a.btn.disabled, fieldset:disabled a.btn {
  pointer-events: none;
}

//
// Alternate buttons
//

@each $color, $value in $theme-colors {
  .btn-#{$color} {
    @include button-variant($value, $value);
  }
}

@each $color, $value in $theme-colors {
  .btn-outline-#{$color} {
    @include button-outline-variant($value);
  }
}


//
// Link buttons
//

// Make a button look and behave like a link
.btn-link {
  color: $link-color;
  font-weight: $font-weight-normal;
  text-decoration: $link-decoration;

  @include hover {
    color: $link-hover-color;
    text-decoration: $link-hover-decoration;
  }

  &:focus, &.focus {
    box-shadow: none;
    text-decoration: $link-hover-decoration;
  }

  &:disabled, &.disabled {
    color: $btn-link-disabled-color;
    pointer-events: none;
  }

  // No need for an active state here
}


//
// Button Sizes
//

.btn-lg {
  @include button-size($btn-padding-y-lg, $btn-padding-x-lg, $btn-font-size-lg, $btn-line-height-lg, $btn-border-radius-lg);
}

.btn-sm {
  @include button-size($btn-padding-y-sm, $btn-padding-x-sm, $btn-font-size-sm, $btn-line-height-sm, $btn-border-radius-sm);
}


//
// Block button
//

.btn-block {
  width: 100%;
  display: block;

  // Vertically space out multiple block buttons
  + .btn-block {
    margin-top: $btn-block-spacing-y;
  }
}

// Specificity overrides

input[type="submit"], input[type="reset"], input[type="button"] {
  &.btn-block {
    width: 100%;
  }
}