//
// Buttons
// --------------------------------------------------

// Base styles
// --------------------------------------------------
.btn {
  display: inline-block;
  margin-bottom: 0; // For input.btn
  font-weight: $btn-font-weight;
  text-align: center;
  white-space: nowrap;
  vertical-align: middle;
  touch-action: manipulation;
  cursor: pointer;
  background-image: none; // Reset unusual Firefox-on-Android default style; see https://github.com/necolas/normalize.css/issues/214
  border: 1px solid transparent;
  @include button-size(
    $padding-base-vertical,
    $padding-base-horizontal,
    $font-size-base,
    $line-height-base,
    $btn-border-radius-base
  );
  @include user-select(none);

  &,
  &:active,
  &.active {
    &:focus,
    &.focus {
      @include tab-focus;
    }
  }

  &:hover,
  &:focus,
  &.focus {
    color: $btn-default-color;
    text-decoration: none;
  }

  &:active,
  &.active {
    background-image: none;
    outline: 0;
    @include box-shadow(inset 0 3px 5px rgba(0, 0, 0, 0.125));
  }

  &.disabled,
  &[disabled],
  fieldset[disabled] & {
    cursor: $cursor-disabled;
    @include opacity(0.65);
    @include box-shadow(none);
  }

  // [converter] extracted a& to a.btn
}

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

// Alternate buttons
// --------------------------------------------------
.btn-default {
  @include button-variant(
    $btn-default-color,
    $btn-default-bg,
    $btn-default-border
  );
}

.btn-primary {
  @include button-variant(
    $btn-primary-color,
    $btn-primary-bg,
    $btn-primary-border
  );
}

// Link buttons
// -------------------------

// Make a button look and behave like a link
.btn-link {
  font-weight: 400;
  color: $link-color;
  border-radius: 0;

  &,
  &:active,
  &.active,
  &[disabled],
  fieldset[disabled] & {
    background-color: transparent;
    @include box-shadow(none);
  }

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

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

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