// scss-lint:disable QualifyingElement

//
// Base styles
//

.btn {
  display: inline-block;
  line-height: $btn-line-height;
  text-align: center;
  white-space: nowrap;
  vertical-align: middle;
  cursor: pointer;
  user-select: none;
  border: 1px solid transparent;

  @include button-size(
    $btn-padding-y,
    $btn-padding-x,
    $btn-font-size,
    $btn-border-radius
  );
  transition: $btn-transition;

  &,
  &:active,
  &.active {
    &:focus,
    &.focus {
      outline: 0;
      background-image: none;
    }
  }

  &:hover,
  &:focus,
  &.focus {
    text-decoration: none;
  }

  &.disabled,
  &:disabled {
    cursor: $cursor-disabled;
    box-shadow: none;

    &:hover {
      box-shadow: none;
    }
  }
}

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

//
// Alternate buttons
//

$btn-primary-args: (
  color: $btn-primary-color,
  background: $btn-primary-bg,
  border: $btn-primary-border,
  hover-background: $btn-hover-primary-bg,
  btn-hover-box-shadow: $btn-hover-primary-box-shadow,
  active-background: $btn-active-primary-bg,
  btn-disabled-color: $btn-disabled-color,
  btn-disabled-bg: $btn-disabled-bg,
  btn-disabled-border: transparent,
);

$btn-secondary-args: (
  color: $btn-secondary-color,
  background: $btn-secondary-bg,
  border: $btn-secondary-border,
  hover-background: $btn-hover-default-bg,
  btn-hover-box-shadow: $btn-hover-primary-box-shadow,
  active-background: $btn-active-secondary-bg,
  btn-disabled-color: $btn-disabled-color,
  btn-disabled-bg: $brand-pure,
  btn-disabled-border: $btn-disabled-border,
);

$btn-default-args: (
  color: $btn-default-color,
  background: $btn-default-bg,
  border: $btn-default-border,
  hover-background: $btn-hover-default-bg,
  btn-hover-box-shadow: $btn-hover-default-box-shadow,
  active-background: $btn-active-default-bg,
  btn-disabled-color: $btn-disabled-color,
  btn-disabled-bg: $brand-pure,
  btn-disabled-border: $btn-disabled-border,
);

.btn-primary {
  @include button-variant($btn-primary-args...);
}

.btn-secondary {
  @include button-variant($btn-secondary-args...);
}

.btn-default {
  @include button-variant($btn-default-args...);
}

// Remove all backgrounds
.btn-outline-primary {
  @include button-outline-variant($btn-primary-bg);
}

.btn-outline-secondary {
  @include button-outline-variant($btn-secondary-border);
}

.btn-outline-default {
  @include button-outline-variant($btn-default-border);
}

//
// Link buttons
//

// Make a button look and behave like a link
.btn-link {
  font-weight: normal;
  color: $link-color;
  border-radius: 0;

  &,
  &:active,
  &.active,
  &:disabled {
    background-color: transparent;
    box-shadow: none;
  }

  &,
  &:focus,
  &:active {
    border-color: transparent;
  }

  &:hover {
    border-color: transparent;
  }

  &:hover,
  &:focus {
    color: $link-hover-color;
    text-decoration: $link-hover-decoration;
    background-color: transparent;
  }

  &:disabled {
    &:hover,
    &:focus {
      color: $btn-link-disabled-color;
      text-decoration: none;
    }
  }
}

//
// Button Sizes
//

.btn-lg {
  // line-height: ensure even-numbered height of button next to large input
  @include button-size(
    $btn-padding-y-lg,
    $btn-padding-x-lg,
    $btn-font-size-lg,
    $btn-border-radius
  );
}

.btn-sm {
  // line-height: ensure proper height of button next to small input
  @include button-size(
    $btn-padding-y-sm,
    $btn-padding-x-sm,
    $btn-font-size-sm,
    $btn-border-radius
  );
}

// Pill Button
.btn-pill {
  border-radius: 200px;
}

.btn-block {
  width: 100%;
}