_variables.scss

$card-border-width:                 $border-width !default;
$card-border-radius:                $border-radius !default;
$card-border-color:                 rgba($black, .125) !default;
$card-inner-border-radius:          subtract($card-border-radius, $card-border-width) !default;
$card-cap-padding-y:                $card-spacer-y / 2 !default;
$card-cap-padding-x:                $card-spacer-x !default;
$card-cap-bg:                       rgba($black, .03) !default;
$card-cap-color:                    null !default;
$card-height:                       null !default;
$card-color:                        null !default;
$card-bg:                           $white !default;

$card-img-overlay-padding:          $spacer !default;

$card-group-margin:                 $grid-gutter-width / 2 !default;


// Tooltips

$tooltip-font-size:                 $font-size-sm !default;
$tooltip-max-width:                 200px !default;
$tooltip-color:                     $white !default;
$tooltip-bg:                        $black !default;
$tooltip-border-radius:             $border-radius !default;
$tooltip-opacity:                   .9 !default;
$tooltip-padding-y:                 $spacer / 4 !default;
$tooltip-padding-x:                 $spacer / 2 !default;
$tooltip-margin:                    0 !default;

$tooltip-arrow-width:               .8rem !default;
$tooltip-arrow-height:              .4rem !default;
$tooltip-arrow-color:               $tooltip-bg !default;

// Form tooltips must come after regular tooltips
$form-feedback-tooltip-padding-y:     $tooltip-padding-y !default;
$form-feedback-tooltip-padding-x:     $tooltip-padding-x !default;
$form-feedback-tooltip-font-size:     $tooltip-font-size !default;
$form-feedback-tooltip-line-height:   null !default;
$form-feedback-tooltip-opacity:       $tooltip-opacity !default;
$form-feedback-tooltip-border-radius: $tooltip-border-radius !default;


// Popovers

$popover-font-size:                 $font-size-sm !default;
$popover-bg:                        $white !default;
$popover-max-width:                 276px !default;
$popover-border-width:              $border-width !default;
$popover-border-color:              rgba($black, .2) !default;
$popover-border-radius:             $border-radius-lg !default;
$popover-inner-border-radius:       subtract($popover-border-radius, $popover-border-width) !default;
$popover-box-shadow:                $box-shadow !default;

$popover-header-bg:                 darken($popover-bg, 3%) !default;
$popover-header-color:              $headings-color !default;
$popover-header-padding-y:          .5rem !default;
$popover-header-padding-x:          $spacer !default;

$popover-body-color:                $body-color !default;
$popover-body-padding-y:            $spacer !default;
$popover-body-padding-x:            $spacer !default;

$popover-arrow-width:               1rem !default;
$popover-arrow-height:              .5rem !default;
$popover-arrow-color:               $popover-bg !default;

$popover-arrow-outer-color:         fade-in($popover-border-color, .05) !default;


// Toasts

$toast-max-width:                   350px !default;
$toast-padding-x:                   .75rem !default;
$toast-padding-y:                   .25rem !default;
$toast-font-size:                   .875rem !default;
$toast-color:                       null !default;
$toast-background-color:            rgba($white, .85) !default;
$toast-border-width:                1px !default;
$toast-border-color:                rgba(0, 0, 0, .1) !default;
$toast-border-radius:               $border-radius !default;
$toast-box-shadow:                  $box-shadow !default;

$toast-header-color:                $gray-600 !default;
$toast-header-background-color:     rgba($white, .85) !default;
$toast-header-border-color:         rgba(0, 0, 0, .05) !default;


// Badges

$badge-font-size:                   .75em !default;
$badge-font-weight:                 $font-weight-bold !default;
$badge-color:                       $white !default;
$badge-padding-y:                   .35em !default;
$badge-padding-x:                   .65em !default;
$badge-border-radius:               $border-radius !default;


// Modals

// Padding applied to the modal body
$modal-inner-padding:               $spacer !default;

// Margin between elements in footer, must be lower than or equal to 2 * $modal-inner-padding
$modal-footer-margin-between:       .5rem !default;

$modal-dialog-margin:               .5rem !default;
$modal-dialog-margin-y-sm-up:       1.75rem !default;

$modal-title-line-height:           $line-height-base !default;

$modal-content-color:               null !default;
$modal-content-bg:                  $white !default;
$modal-content-border-color:        rgba($black, .2) !default;
$modal-content-border-width:        $border-width !default;
$modal-content-border-radius:       $border-radius-lg !default;
$modal-content-inner-border-radius: subtract($modal-content-border-radius, $modal-content-border-width) !default;
$modal-content-box-shadow-xs:       $box-shadow-sm !default;
$modal-content-box-shadow-sm-up:    $box-shadow !default;

$modal-backdrop-bg:                 $black !default;
$modal-backdrop-opacity:            .5 !default;
$modal-header-border-color:         $border-color !default;
$modal-footer-border-color:         $modal-header-border-color !default;
$modal-header-border-width:         $modal-content-border-width !default;
$modal-footer-border-width:         $modal-header-border-width !default;
$modal-header-padding-y:            $modal-inner-padding !default;
$modal-header-padding-x:            $modal-inner-padding !default;
$modal-header-padding:              $modal-header-padding-y $modal-header-padding-x !default; // Keep this for backwards compatibility

$modal-sm:                          300px !default;
$modal-md:                          500px !default;
$modal-lg:                          800px !default;
$modal-xl:                          1140px !default;

$modal-fade-transform:              translate(0, -50px) !default;
$modal-show-transform:              none !default;
$modal-transition:                  transform .3s ease-out !default;
$modal-scale-transform:             scale(1.02) !default;


// Alerts
//
// Define alert colors, border radius, and padding.

$alert-padding-y:                   $spacer !default;
$alert-padding-x:                   $spacer !default;
$alert-margin-bottom:               1rem !default;
$alert-border-radius:               $border-radius !default;
$alert-link-font-weight:            $font-weight-bold !default;
$alert-border-width:                $border-width !default;

$alert-bg-level:                    -10 !default;
$alert-border-level:                -9 !default;
$alert-color-level:                 6 !default;


// Progress bars

$progress-height:                   1rem !default;
$progress-font-size:                $font-size-base * .75 !default;
$progress-bg:                       $gray-200 !default;
$progress-border-radius:            $border-radius !default;
$progress-box-shadow:               $box-shadow-inset !default;
$progress-bar-color:                $white !default;
$progress-bar-bg:                   $primary !default;
$progress-bar-animation-timing:     1s linear infinite !default;
$progress-bar-transition:           width .6s ease !default;


// List group

$list-group-color:                  null !default;
$list-group-bg:                     $white !default;
$list-group-border-color:           rgba($black, .125) !default;
$list-group-border-width:           $border-width !default;
$list-group-border-radius:          $border-radius !default;

$list-group-item-padding-y:         $spacer / 2 !default;
$list-group-item-padding-x:         $spacer !default;
$list-group-item-bg-level:          -9 !default;
$list-group-item-color-level:       6 !default;

$list-group-hover-bg:               $gray-100 !default;
$list-group-active-color:           $component-active-color !default;
$list-group-active-bg:              $component-active-bg !default;
$list-group-active-border-color:    $list-group-active-bg !default;

$list-group-disabled-color:         $gray-600 !default;
$list-group-disabled-bg:            $list-group-bg !default;

$list-group-action-color:           $gray-700 !default;
$list-group-action-hover-color:     $list-group-action-color !default;

$list-group-action-active-color:    $body-color !default;
$list-group-action-active-bg:       $gray-200 !default;


// Image thumbnails

$thumbnail-padding:                 .25rem !default;
$thumbnail-bg:                      $body-bg !default;
$thumbnail-border-width:            $border-width !default;
$thumbnail-border-color:            $gray-300 !default;
$thumbnail-border-radius:           $border-radius !default;
$thumbnail-box-shadow:              $box-shadow-sm !default;


// Figures

$figure-caption-font-size:          $small-font-size !default;
$figure-caption-color:              $gray-600 !default;


// Breadcrumbs

$breadcrumb-font-size:              null !default;
$breadcrumb-padding-y:              $spacer / 2 !default;
$breadcrumb-padding-x:              $spacer !default;
$breadcrumb-item-padding-x:         .5rem !default;
$breadcrumb-margin-bottom:          1rem !default;
$breadcrumb-bg:                     $gray-200 !default;
$breadcrumb-divider-color:          $gray-600 !default;
$breadcrumb-active-color:           $gray-600 !default;
$breadcrumb-divider:                quote("/") !default;
$breadcrumb-border-radius:          $border-radius !default;

// Carousel

$carousel-control-color:             $white !default;
$carousel-control-width:             15% !default;
$carousel-control-opacity:           .5 !default;
$carousel-control-hover-opacity:     .9 !default;
$carousel-control-transition:        opacity .15s ease !default;

$carousel-indicator-width:           30px !default;
$carousel-indicator-height:          3px !default;
$carousel-indicator-hit-area-height: 10px !default;
$carousel-indicator-spacer:          3px !default;
$carousel-indicator-opacity:         .5 !default;
$carousel-indicator-active-bg:       $white !default;
$carousel-indicator-active-opacity:  1 !default;
$carousel-indicator-transition:      opacity .6s ease !default;

$carousel-caption-width:             70% !default;
$carousel-caption-color:             $white !default;
$carousel-caption-padding-y:         1.25rem !default;
$carousel-caption-spacer:            1.25rem !default;

$carousel-control-icon-width:        20px !default;

$carousel-control-prev-icon-bg:      url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' fill='#{$carousel-control-color}' viewBox='0 0 8 8'><path d='M5.25 0l-4 4 4 4 1.5-1.5L4.25 4l2.5-2.5L5.25 0z'/></svg>") !default;
$carousel-control-next-icon-bg:      url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' fill='#{$carousel-control-color}' viewBox='0 0 8 8'><path d='M2.75 0l-1.5 1.5L3.75 4l-2.5 2.5L2.75 8l4-4-4-4z'/></svg>") !default;

$carousel-transition-duration:       .6s !default;
$carousel-transition:                transform $carousel-transition-duration ease-in-out !default; // Define transform transition first if using multiple transitions (e.g., `transform 2s ease, opacity .5s ease-out`)


// Spinners

$spinner-width:           2rem !default;
$spinner-height:          $spinner-width !default;
$spinner-border-width:    .25em !default;
$spinner-animation-speed: .75s !default;

$spinner-width-sm:        1rem !default;
$spinner-height-sm:       $spinner-width-sm !default;
$spinner-border-width-sm: .2em !default;


// Close

$btn-close-width:           1em !default;
$btn-close-height:          $btn-close-width !default;
$btn-close-padding-x:       .25em !default;
$btn-close-padding-y:       $btn-close-padding-x !default;
$btn-close-color:           $black !default;
$btn-close-bg:              url("data:image/svg+xml,<svg fill='#{$btn-close-color}' xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'><path d='M.293.293a1 1 0 011.414 0L8 6.586 14.293.293a1 1 0 111.414 1.414L9.414 8l6.293 6.293a1 1 0 01-1.414 1.414L8 9.414l-6.293 6.293a1 1 0 01-1.414-1.414L6.586 8 .293 1.707a1 1 0 010-1.414z'/></svg>") !default;
$btn-close-focus-shadow:    $input-btn-focus-box-shadow !default;

// Code

$code-font-size:                    $small-font-size !default;
$code-color:                        $pink !default;

$kbd-padding-y:                     .2rem !default;
$kbd-padding-x:                     .4rem !default;
$kbd-font-size:                     $code-font-size !default;
$kbd-color:                         $white !default;
$kbd-bg:                            $gray-900 !default;

$pre-color:                         null !default;