/* buttons
   ========================================================================== */
// stylelint-disable selector-no-qualifying-type

//
// Base styles
//

.btn {
  display: inline-block;
  font-weight: $btn-font-weight;
  text-align: center;
  white-space: nowrap;
  vertical-align: middle;
  user-select: none;
  border: $btn-border-width solid transparent;
  @include button-size($btn-padding-y, $btn-padding-x, $font-size-base, $btn-line-height, $btn-border-radius);
  @include transition($btn-transition);

  // Share hover and focus styles
  @include hover-focus {
    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);
  }

  // Opinionated: add "hand" cursor to non-disabled .btn elements
  &:not(:disabled):not(.disabled) {
    cursor: pointer;
  }

  &:not(:disabled):not(.disabled):active,
  &:not(:disabled):not(.disabled).active {
    background-image: none;
    @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 $btn-colors {
  .btn-#{$color} {
    @if type-of($value) == "list" {
      @include button-variant(
        nth($value, 1), nth($value, 2), nth($value, 3),
        nth($value, 4), nth($value, 5), nth($value, 6),
        nth($value, 7), nth($value, 8), nth($value, 9)
      );
    } @else {
      @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 {
  display: inline-flex;
  align-items: center;
  padding: 0;
  font-weight: $font-weight-medium;
  color: $link-color;
  background-color: transparent;
  border: 0;

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

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

  &:disabled,
  &.disabled {
    color: $btn-link-disabled-color;
  }

  [class^="icons-"] {
    padding-bottom: .25rem;
    font-size: rem(13px);
  }

  // No need for an active state here
}

.btn-link-white {
  color: color("white");
}


//
// Button sizes
//

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


//
// Block button
//

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

  // 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%;
  }
}


//
// Button icon
//

.btn-only-icon {
  align-items: center;
  justify-content: center;
  min-width: rem(50px);
  min-height: $input-btn-height;
  padding: $btn-only-icon-padding;

  &.active {
    [class^="icons-arrow-"] {
      transform: rotate(180deg);
    }
  }

  // [class^="icons-arrow-"] {
  //   transition: transform .15s ease-out;
  // }

  &.btn-white.disabled,
  &.btn-white:disabled {
    color: $btn-disabled-color;
    cursor: not-allowed;
    background-color: $btn-disabled-bg;
    border-color: $btn-disabled-border-color;
  }

  &.btn-sm {
    min-width: $btn-height-sm;
    min-height: $btn-height-sm;
  }
}


//
// Button navigation
//

.btn-rounded {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: rem(40px);
  height: rem(40px);
  font-size: rem(14px);
  font-weight: $font-weight-medium;
  color: color("white");
  cursor: pointer;
  background-color: gray("400");
  border: none;
  border-radius: 50%;
  @include transition($btn-transition);

  @include hover {
    background-color: $primary-dark;
  }

  &.disabled,
  &:disabled {
    color: $btn-disabled-color;
    cursor: not-allowed;
    background-color: $btn-disabled-bg;
    border-color: $btn-disabled-border-color;
  }

  &:not(:disabled):not(.disabled).box-shadow {
    box-shadow: 0 4px 10px 0 rgba(0, 0, 0, .2);

    @include hover {
      box-shadow: none;
    }
  }
}

@each $color, $value in $btn-rounded-colors {
  .btn-rounded-#{$color} {
    @if type-of($value) == "list" {
      color: nth($value, 3);
      background-color: nth($value, 1);

      &:not(:disabled):not(.disabled) {
        &:hover,
        &:focus,
        &:active {
          color: nth($value, 6);
          background-color: nth($value, 4);
        }
      }
    }
  }
}


//
// Button option
//

.btn-options {
  min-width: rem(55px);
  padding: 0;
  color: $body-color;
  background-color: transparent;

  &[aria-expanded="true"],
  &:focus,
  &:active,
  &:hover {
    color: theme-color("primary");
    background-color: transparent;
  }
}


//
// Button favorite
//

.btn.btn-favorite {
  color: gray("300");

  &:hover,
  &.active {
    color: #ffb612;
  }
}


//
// Button alert
//

.btn-notif {
  position: relative;

  .notif {
    position: absolute;
    top: calc(50% - #{rem(16px)});
    right: calc(50% - #{rem(18px)});
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: rem(16px);
    min-height: rem(16px);
    padding-top: 3px;
    font-size: rem(9px);
    line-height: 1;
    color: color("white");
    background-color: theme-color("primary");
    border-radius: 50%;
  }
}


//
// Button card
//

.btn-card {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: rem(145px);
  min-height: rem(145px);
  font-weight: $font-weight-normal;
  border-color: $btn-card-bg;

  span {
    display: block;
    margin-top: rem(18px);
  }

  @include button-variant(
    $btn-card-bg, $btn-card-border, $btn-card-color,
    theme-color("primary-dark"), theme-color("primary-dark"), $btn-card-active-color,
    $btn-card-active-bg, $btn-card-active-border, $btn-card-active-color
  );
}


//
// Button color
//

.btn-color-gray {
  color: $btn-color-gray;
  &:not(:disabled):not(.disabled) {
    @include hover-focus-active { color: theme-color("primary"); }
  }
}

.btn-color-footer {
  color: $carbon;
  background-color: color("white");
  &:not(:disabled):not(.disabled) {
    @include hover-focus-active { background-color: #b9b9b9; }
  }
}


//
// Button unstyled
//

.btn-unstyled {
  font-size: inherit;
  color: inherit;
  background-color: transparent;
  border: none;
}