// scss-lint:disable QualifyingElement

// // Base styles //

.btn {

display: inline-block;
font-weight: $btn-font-weight;
line-height: $btn-line-height;
text-align: center;
white-space: nowrap;
vertical-align: middle;
cursor: pointer;
user-select: none;
border: $input-btn-border-width solid transparent;
@include button-size($btn-padding-y, $btn-padding-x, $font-size-base, $btn-border-radius);
@include transition(all .2s ease-in-out);

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

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

&:active,
&.active {
  background-image: none;
  outline: 0;
  @include box-shadow($btn-active-box-shadow);
}

&.disabled,
&:disabled {
  cursor: $cursor-disabled;
  opacity: .65;
  @include box-shadow(none);
}

}

// Future-proof disabling of clicks on `<a>` elements a.btn.disabled, fieldset a.btn {

pointer-events: none;

}

// // Alternate buttons //

.btn-primary {

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

} .btn-secondary {

@include button-variant($btn-secondary-color, $btn-secondary-bg, $btn-secondary-border);

} .btn-info {

@include button-variant($btn-info-color, $btn-info-bg, $btn-info-border);

} .btn-success {

@include button-variant($btn-success-color, $btn-success-bg, $btn-success-border);

} .btn-warning {

@include button-variant($btn-warning-color, $btn-warning-bg, $btn-warning-border);

} .btn-danger {

@include button-variant($btn-danger-color, $btn-danger-bg, $btn-danger-border);

}

// 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-info {

@include button-outline-variant($btn-info-bg);

} .btn-outline-success {

@include button-outline-variant($btn-success-bg);

} .btn-outline-warning {

@include button-outline-variant($btn-warning-bg);

} .btn-outline-danger {

@include button-outline-variant($btn-danger-bg);

}

// // 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;
  @include box-shadow(none);
}
&,
&:focus,
&:active {
  border-color: transparent;
}
@include hover {
  border-color: transparent;
}
@include hover-focus {
  color: $link-hover-color;
  text-decoration: $link-hover-decoration;
  background-color: transparent;
}
&:disabled {
  @include 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, $font-size-lg, $btn-border-radius-lg);

} .btn-sm {

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

}

// // Block button //

.btn-block {

display: block;
width: 100%;

}

// Vertically space out multiple block buttons .btn-block + .btn-block {

margin-top: $btn-block-spacing-y;

}

// Specificity overrides input, input, input {

&.btn-block {
  width: 100%;
}

}