//Vendor/rfs
// stylelint-disable property-blacklist, scss/dollar-variable-default

// SCSS RFS mixin
//
// Automated font-resizing
//
// See https://github.com/twbs/rfs

// Configuration

// Base font size
$rfs-base-font-size: 1.25rem !default;
$rfs-font-size-unit: rem !default;

// Breakpoint at where font-size starts decreasing if screen width is smaller
$rfs-breakpoint: 1200px !default;
$rfs-breakpoint-unit: px !default;

// Resize font-size based on screen height and width
$rfs-two-dimensional: false !default;

// Factor of decrease
$rfs-factor: 10 !default;

@if type-of($rfs-factor) != "number" or $rfs-factor <= 1 {
  @error "`#{$rfs-factor}` is not a valid  $rfs-factor, it must be greater than 1.";
}

// Generate enable or disable classes. Possibilities: false, "enable" or "disable"
$rfs-class: false !default;

// 1 rem = $rfs-rem-value px
$rfs-rem-value: 16 !default;

// Safari iframe resize bug: https://github.com/twbs/rfs/issues/14
$rfs-safari-iframe-resize-bug-fix: false !default;

// Disable RFS by setting $enable-responsive-font-sizes to false
$enable-responsive-font-sizes: true !default;

// Cache $rfs-base-font-size unit
$rfs-base-font-size-unit: unit($rfs-base-font-size);

// Remove px-unit from $rfs-base-font-size for calculations
@if $rfs-base-font-size-unit == "px" {
  $rfs-base-font-size: $rfs-base-font-size / ($rfs-base-font-size * 0 + 1);
}
@else if $rfs-base-font-size-unit == "rem" {
  $rfs-base-font-size: $rfs-base-font-size / ($rfs-base-font-size * 0 + 1 / $rfs-rem-value);
}

// Cache $rfs-breakpoint unit to prevent multiple calls
$rfs-breakpoint-unit-cache: unit($rfs-breakpoint);

// Remove unit from $rfs-breakpoint for calculations
@if $rfs-breakpoint-unit-cache == "px" {
  $rfs-breakpoint: $rfs-breakpoint / ($rfs-breakpoint * 0 + 1);
}
@else if $rfs-breakpoint-unit-cache == "rem" or $rfs-breakpoint-unit-cache == "em" {
  $rfs-breakpoint: $rfs-breakpoint / ($rfs-breakpoint * 0 + 1 / $rfs-rem-value);
}

// Responsive font-size mixin
@mixin rfs($fs, $important: false) {
  // Cache $fs unit
  $fs-unit: if(type-of($fs) == "number", unit($fs), false);

  // Add !important suffix if needed
  $rfs-suffix: if($important, " !important", "");

  // If $fs isn't a number (like inherit) or $fs has a unit (not px or rem, like 1.5em) or $ is 0, just print the value
  @if not $fs-unit or $fs-unit != "" and $fs-unit != "px" and $fs-unit != "rem" or $fs == 0 {
    font-size: #{$fs}#{$rfs-suffix};
  }
  @else {
    // Variables for storing static and fluid rescaling
    $rfs-static: null;
    $rfs-fluid: null;

    // Remove px-unit from $fs for calculations
    @if $fs-unit == "px" {
      $fs: $fs / ($fs * 0 + 1);
    }
    @else if $fs-unit == "rem" {
      $fs: $fs / ($fs * 0 + 1 / $rfs-rem-value);
    }

    // Set default font-size
    @if $rfs-font-size-unit == rem {
      $rfs-static: #{$fs / $rfs-rem-value}rem#{$rfs-suffix};
    }
    @else if $rfs-font-size-unit == px {
      $rfs-static: #{$fs}px#{$rfs-suffix};
    }
    @else {
      @error "`#{$rfs-font-size-unit}` is not a valid unit for $rfs-font-size-unit. Use `px` or `rem`.";
    }

    // Only add media query if font-size is bigger as the minimum font-size
    // If $rfs-factor == 1, no rescaling will take place
    @if $fs > $rfs-base-font-size and $enable-responsive-font-sizes {
      $min-width: null;
      $variable-unit: null;

      // Calculate minimum font-size for given font-size
      $fs-min: $rfs-base-font-size + ($fs - $rfs-base-font-size) / $rfs-factor;

      // Calculate difference between given font-size and minimum font-size for given font-size
      $fs-diff: $fs - $fs-min;

      // Base font-size formatting
      // No need to check if the unit is valid, because we did that before
      $min-width: if($rfs-font-size-unit == rem, #{$fs-min / $rfs-rem-value}rem, #{$fs-min}px);

      // If two-dimensional, use smallest of screen width and height
      $variable-unit: if($rfs-two-dimensional, vmin, vw);

      // Calculate the variable width between 0 and $rfs-breakpoint
      $variable-width: #{$fs-diff * 100 / $rfs-breakpoint}#{$variable-unit};

      // Set the calculated font-size.
      $rfs-fluid: calc(#{$min-width} + #{$variable-width}) #{$rfs-suffix};
    }

    // Rendering
    @if $rfs-fluid == null {
      // Only render static font-size if no fluid font-size is available
      font-size: $rfs-static;
    }
    @else {
      $mq-value: null;

      // RFS breakpoint formatting
      @if $rfs-breakpoint-unit == em or $rfs-breakpoint-unit == rem {
        $mq-value: #{$rfs-breakpoint / $rfs-rem-value}#{$rfs-breakpoint-unit};
      }
      @else if $rfs-breakpoint-unit == px {
        $mq-value: #{$rfs-breakpoint}px;
      }
      @else {
        @error "`#{$rfs-breakpoint-unit}` is not a valid unit for $rfs-breakpoint-unit. Use `px`, `em` or `rem`.";
      }

      @if $rfs-class == "disable" {
        // Adding an extra class increases specificity,
        // which prevents the media query to override the font size
        &,
        .disable-responsive-font-size &,
        &.disable-responsive-font-size {
          font-size: $rfs-static;
        }
      }
      @else {
        font-size: $rfs-static;
      }

      @if $rfs-two-dimensional {
        @media (max-width: #{$mq-value}), (max-height: #{$mq-value}) {
          @if $rfs-class == "enable" {
            .enable-responsive-font-size &,
            &.enable-responsive-font-size {
              font-size: $rfs-fluid;
            }
          }
          @else {
            font-size: $rfs-fluid;
          }

          @if $rfs-safari-iframe-resize-bug-fix {
            // stylelint-disable-next-line length-zero-no-unit
            min-width: 0vw;
          }
        }
      }
      @else {
        @media (max-width: #{$mq-value}) {
          @if $rfs-class == "enable" {
            .enable-responsive-font-size &,
            &.enable-responsive-font-size {
              font-size: $rfs-fluid;
            }
          }
          @else {
            font-size: $rfs-fluid;
          }

          @if $rfs-safari-iframe-resize-bug-fix {
            // stylelint-disable-next-line length-zero-no-unit
            min-width: 0vw;
          }
        }
      }
    }
  }
}

//Deprecate
// The font-size & responsive-font-size mixin uses RFS to rescale font sizes
@mixin font-size($fs, $important: false) {
  @include rfs($fs, $important);
}

@mixin responsive-font-size($fs, $important: false) {
  @include rfs($fs, $important);
}

//
// This mixin can be used to deprecate mixins or functions.
// `$enable-deprecation-messages` is a global variable, `$ignore-warning` is a variable that can be passed to
// some deprecated mixins to suppress the warning (for example if the mixin is still be used in the current version of Bootstrap)
@mixin deprecate($name, $deprecate-version, $remove-version, $ignore-warning: false) {
  @if ($enable-deprecation-messages != false and $ignore-warning != true) {
    @warn "#{$name} has been deprecated as of #{$deprecate-version}. It will be removed entirely in #{$remove-version}.";
  }
}

// Utilities
// Breakpoint viewport sizes and media queries.
//
// Breakpoints are defined as a map of (name: minimum width), order from small to large:
//
//    (xs: 0, sm: 576px, md: 768px, lg: 992px, xl: 1200px)
//
// The map defined in the `$grid-breakpoints` global variable is used as the `$breakpoints` argument by default.

// Name of the next breakpoint, or null for the last breakpoint.
//
//    >> breakpoint-next(sm)
//    md
//    >> breakpoint-next(sm, (xs: 0, sm: 576px, md: 768px, lg: 992px, xl: 1200px))
//    md
//    >> breakpoint-next(sm, $breakpoint-names: (xs sm md lg xl))
//    md
@function breakpoint-next($name, $breakpoints: $grid-breakpoints, $breakpoint-names: map-keys($breakpoints)) {
  $n: index($breakpoint-names, $name);
  @return if($n != null and $n < length($breakpoint-names), nth($breakpoint-names, $n + 1), null);
}

// Minimum breakpoint width. Null for the smallest (first) breakpoint.
//
//    >> breakpoint-min(sm, (xs: 0, sm: 576px, md: 768px, lg: 992px, xl: 1200px))
//    576px
@function breakpoint-min($name, $breakpoints: $grid-breakpoints) {
  $min: map-get($breakpoints, $name);
  @return if($min != 0, $min, null);
}

// Maximum breakpoint width. Null for the largest (last) breakpoint.
// The maximum value is calculated as the minimum of the next one less 0.02px
// to work around the limitations of `min-` and `max-` prefixes and viewports with fractional widths.
// See https://www.w3.org/TR/mediaqueries-4/#mq-min-max
// Uses 0.02px rather than 0.01px to work around a current rounding bug in Safari.
// See https://bugs.webkit.org/show_bug.cgi?id=178261
//
//    >> breakpoint-max(sm, (xs: 0, sm: 576px, md: 768px, lg: 992px, xl: 1200px))
//    767.98px
@function breakpoint-max($name, $breakpoints: $grid-breakpoints) {
  $next: breakpoint-next($name, $breakpoints);
  @return if($next, breakpoint-min($next, $breakpoints) - .02, null);
}

// Returns a blank string if smallest breakpoint, otherwise returns the name with a dash in front.
// Useful for making responsive utilities.
//
//    >> breakpoint-infix(xs, (xs: 0, sm: 576px, md: 768px, lg: 992px, xl: 1200px))
//    ""  (Returns a blank string)
//    >> breakpoint-infix(sm, (xs: 0, sm: 576px, md: 768px, lg: 992px, xl: 1200px))
//    "-sm"
@function breakpoint-infix($name, $breakpoints: $grid-breakpoints) {
  @return if(breakpoint-min($name, $breakpoints) == null, "", "-#{$name}");
}

// Media of at least the minimum breakpoint width. No query for the smallest breakpoint.
// Makes the @content apply to the given breakpoint and wider.
@mixin media-breakpoint-up($name, $breakpoints: $grid-breakpoints) {
  $min: breakpoint-min($name, $breakpoints);
  @if $min {
    @media (min-width: $min) {
      @content;
    }
  } @else {
    @content;
  }
}

// Media of at most the maximum breakpoint width. No query for the largest breakpoint.
// Makes the @content apply to the given breakpoint and narrower.
@mixin media-breakpoint-down($name, $breakpoints: $grid-breakpoints) {
  $max: breakpoint-max($name, $breakpoints);
  @if $max {
    @media (max-width: $max) {
      @content;
    }
  } @else {
    @content;
  }
}

// Media that spans multiple breakpoint widths.
// Makes the @content apply between the min and max breakpoints
@mixin media-breakpoint-between($lower, $upper, $breakpoints: $grid-breakpoints) {
  $min: breakpoint-min($lower, $breakpoints);
  $max: breakpoint-max($upper, $breakpoints);

  @if $min != null and $max != null {
    @media (min-width: $min) and (max-width: $max) {
      @content;
    }
  } @else if $max == null {
    @include media-breakpoint-up($lower, $breakpoints) {
      @content;
    }
  } @else if $min == null {
    @include media-breakpoint-down($upper, $breakpoints) {
      @content;
    }
  }
}

// Media between the breakpoint's minimum and maximum widths.
// No minimum for the smallest breakpoint, and no maximum for the largest one.
// Makes the @content apply only to the given breakpoint, not viewports any wider or narrower.
@mixin media-breakpoint-only($name, $breakpoints: $grid-breakpoints) {
  $min: breakpoint-min($name, $breakpoints);
  $max: breakpoint-max($name, $breakpoints);

  @if $min != null and $max != null {
    @media (min-width: $min) and (max-width: $max) {
      @content;
    }
  } @else if $max == null {
    @include media-breakpoint-up($name, $breakpoints) {
      @content;
    }
  } @else if $min == null {
    @include media-breakpoint-down($name, $breakpoints) {
      @content;
    }
  }
}

// Hover mixin and `$enable-hover-media-query` are deprecated.
//
// Originally added during our alphas and maintained during betas, this mixin was
// designed to prevent `:hover` stickiness on iOS-an issue where hover styles
// would persist after initial touch.
//
// For backward compatibility, we've kept these mixins and updated them to
// always return their regular pseudo-classes instead of a shimmed media query.
//
// Issue: https://github.com/twbs/bootstrap/issues/25195

@mixin hover() {
  &:hover { @content; }
}

@mixin hover-focus() {
  &:hover,
  &:focus {
    @content;
  }
}

@mixin plain-hover-focus() {
  &,
  &:hover,
  &:focus {
    @content;
  }
}

@mixin hover-focus-active() {
  &:hover,
  &:focus,
  &:active {
    @content;
  }
}

// Image Mixins
// - Responsive image
// - Retina image


// Responsive image
//
// Keep images from scaling beyond the width of their parents.

@mixin img-fluid() {
  // Part 1: Set a maximum relative to the parent
  max-width: 100%;
  // Part 2: Override the height to auto, otherwise images will be stretched
  // when setting a width and height attribute on the img element.
  height: auto;
}


// Retina image
//
// Short retina mixin for setting background-image and -size.

@mixin img-retina($file-1x, $file-2x, $width-1x, $height-1x) {
  background-image: url($file-1x);

  // Autoprefixer takes care of adding -webkit-min-device-pixel-ratio and -o-min-device-pixel-ratio,
  // but doesn't convert dppx=>dpi.
  // There's no such thing as unprefixed min-device-pixel-ratio since it's nonstandard.
  // Compatibility info: https://caniuse.com/#feat=css-media-resolution
  @media only screen and (min-resolution: 192dpi), // IE9-11 don't support dppx
    only screen and (min-resolution: 2dppx) { // Standardized
    background-image: url($file-2x);
    background-size: $width-1x $height-1x;
  }
  @include deprecate("`img-retina()`", "v4.3.0", "v5");
}

//Badge
@mixin badge-variant($bg) {
  color: color-yiq($bg);
  background-color: $bg;

  @at-root a#{&} {
    @include hover-focus() {
      color: color-yiq($bg);
      background-color: darken($bg, 10%);
    }

    &:focus,
    &.focus {
      outline: 0;
      box-shadow: 0 0 0 $badge-focus-width rgba($bg, .5);
    }
  }
}

// Resize anything

@mixin resizable($direction) {
  overflow: auto; // Per CSS3 UI, `resize` only applies when `overflow` isn't `visible`
  resize: $direction; // Options: horizontal, vertical, both
}

// Only display content to screen readers
//
// See: https://www.a11yproject.com/posts/2013-01-11-how-to-hide-content/
// See: https://hugogiraudel.com/2016/10/13/css-hide-and-seek/

@mixin sr-only() {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px; // Fix for https://github.com/twbs/bootstrap/issues/25686
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

// Use in conjunction with .sr-only to only display content when it's focused.
//
// Useful for "Skip to main content" links; see https://www.w3.org/TR/2013/NOTE-WCAG20-TECHS-20130905/G1
//
// Credit: HTML5 Boilerplate

@mixin sr-only-focusable() {
  &:active,
  &:focus {
    position: static;
    width: auto;
    height: auto;
    overflow: visible;
    clip: auto;
    white-space: normal;
  }
}

// Sizing shortcuts

@mixin size($width, $height: $width) {
  width: $width;
  height: $height;
  @include deprecate("`size()`", "v4.3.0", "v5");
}

@mixin reset-text() {
  font-family: $font-family-base;
  // We deliberately do NOT reset font-size or word-wrap.
  font-style: normal;
  font-weight: $font-weight-normal;
  line-height: $line-height-base;
  text-align: left; // Fallback for where `start` is not supported
  text-align: start;
  text-decoration: none;
  text-shadow: none;
  text-transform: none;
  letter-spacing: normal;
  word-break: normal;
  word-spacing: normal;
  white-space: normal;
  line-break: auto;
}

// stylelint-disable declaration-no-important

// Typography

@mixin text-emphasis-variant($parent, $color, $ignore-warning: false) {
  #{$parent} {
    color: $color !important;
  }
  @if $emphasized-link-hover-darken-percentage != 0 {
    a#{$parent} {
      @include hover-focus() {
        color: darken($color, $emphasized-link-hover-darken-percentage) !important;
      }
    }
  }
  @include deprecate("`text-emphasis-variant()`", "v4.4.0", "v5", $ignore-warning);
}

// CSS image replacement
@mixin text-hide($ignore-warning: false) {
  // stylelint-disable-next-line font-family-no-missing-generic-family-keyword
  font: 0/0 a;
  color: transparent;
  text-shadow: none;
  background-color: transparent;
  border: 0;

  @include deprecate("`text-hide()`", "v4.1.0", "v5", $ignore-warning);
}

// Text truncate
// Requires inline-block or block for proper styling

@mixin text-truncate() {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

// stylelint-disable declaration-no-important

// Visibility

@mixin invisible($visibility) {
  visibility: $visibility !important;
  @include deprecate("`invisible()`", "v4.3.0", "v5");
}


// Components

//Alert
@mixin alert-variant($background, $border, $color) {
  color: $color;
  @include gradient-bg($background);
  border-color: $border;

  hr {
    border-top-color: darken($border, 5%);
  }

  .alert-link {
    color: darken($color, 10%);
  }
}

// Button variants
//
// Easily pump out default styles, as well as :hover, :focus, :active,
// and disabled options for all buttons

@mixin button-variant($background, $border, $hover-background: darken($background, 7.5%), $hover-border: darken($border, 10%), $active-background: darken($background, 10%), $active-border: darken($border, 12.5%)) {
  color: color-yiq($background);
  @include gradient-bg($background);
  border-color: $border;
  @include box-shadow($btn-box-shadow);

  @include hover() {
    color: color-yiq($hover-background);
    @include gradient-bg($hover-background);
    border-color: $hover-border;
  }

  &:focus,
  &.focus {
    color: color-yiq($hover-background);
    @include gradient-bg($hover-background);
    border-color: $hover-border;
    @if $enable-shadows {
      @include box-shadow($btn-box-shadow, 0 0 0 $btn-focus-width rgba(mix(color-yiq($background), $border, 15%), .5));
    } @else {
      // Avoid using mixin so we can pass custom focus shadow properly
      box-shadow: 0 0 0 $btn-focus-width rgba(mix(color-yiq($background), $border, 15%), .5);
    }
  }

  // Disabled comes first so active can properly restyle
  &.disabled,
  &:disabled {
    color: color-yiq($background);
    background-color: $background;
    border-color: $border;
    // Remove CSS gradients if they're enabled
    @if $enable-gradients {
      background-image: none;
    }
  }

  &:not(:disabled):not(.disabled):active,
  &:not(:disabled):not(.disabled).active,
  .show > &.dropdown-toggle {
    color: color-yiq($active-background);
    background-color: $active-background;
    @if $enable-gradients {
      background-image: none; // Remove the gradient for the pressed/active state
    }
    border-color: $active-border;

    &:focus {
      @if $enable-shadows and $btn-active-box-shadow != none {
        @include box-shadow($btn-active-box-shadow, 0 0 0 $btn-focus-width rgba(mix(color-yiq($background), $border, 15%), .5));
      } @else {
        // Avoid using mixin so we can pass custom focus shadow properly
        box-shadow: 0 0 0 $btn-focus-width rgba(mix(color-yiq($background), $border, 15%), .5);
      }
    }
  }
}

@mixin button-outline-variant($color, $color-hover: color-yiq($color), $active-background: $color, $active-border: $color) {
  color: $color;
  border-color: $color;

  @include hover() {
    color: $color-hover;
    background-color: $active-background;
    border-color: $active-border;
  }

  &:focus,
  &.focus {
    box-shadow: 0 0 0 $btn-focus-width rgba($color, .5);
  }

  &.disabled,
  &:disabled {
    color: $color;
    background-color: transparent;
  }

  &:not(:disabled):not(.disabled):active,
  &:not(:disabled):not(.disabled).active,
  .show > &.dropdown-toggle {
    color: color-yiq($active-background);
    background-color: $active-background;
    border-color: $active-border;

    &:focus {
      @if $enable-shadows and $btn-active-box-shadow != none {
        @include box-shadow($btn-active-box-shadow, 0 0 0 $btn-focus-width rgba($color, .5));
      } @else {
        // Avoid using mixin so we can pass custom focus shadow properly
        box-shadow: 0 0 0 $btn-focus-width rgba($color, .5);
      }
    }
  }
}

// Button sizes
@mixin button-size($padding-y, $padding-x, $font-size, $line-height, $border-radius) {
  padding: $padding-y $padding-x;
  @include font-size($font-size);
  line-height: $line-height;
  // Manually declare to provide an override to the browser default
  @include border-radius($border-radius, 0);
}

@mixin caret-down() {
  border-top: $caret-width solid;
  border-right: $caret-width solid transparent;
  border-bottom: 0;
  border-left: $caret-width solid transparent;
}

@mixin caret-up() {
  border-top: 0;
  border-right: $caret-width solid transparent;
  border-bottom: $caret-width solid;
  border-left: $caret-width solid transparent;
}

@mixin caret-right() {
  border-top: $caret-width solid transparent;
  border-right: 0;
  border-bottom: $caret-width solid transparent;
  border-left: $caret-width solid;
}

@mixin caret-left() {
  border-top: $caret-width solid transparent;
  border-right: $caret-width solid;
  border-bottom: $caret-width solid transparent;
}

@mixin caret($direction: down) {
  @if $enable-caret {
    &::after {
      display: inline-block;
      margin-left: $caret-spacing;
      vertical-align: $caret-vertical-align;
      content: "";
      @if $direction == down {
        @include caret-down();
      } @else if $direction == up {
        @include caret-up();
      } @else if $direction == right {
        @include caret-right();
      }
    }

    @if $direction == left {
      &::after {
        display: none;
      }

      &::before {
        display: inline-block;
        margin-right: $caret-spacing;
        vertical-align: $caret-vertical-align;
        content: "";
        @include caret-left();
      }
    }

    &:empty::after {
      margin-left: 0;
    }
  }
}

// Pagination

@mixin pagination-size($padding-y, $padding-x, $font-size, $line-height, $border-radius) {
  .page-link {
    padding: $padding-y $padding-x;
    @include font-size($font-size);
    line-height: $line-height;
  }

  .page-item {
    &:first-child {
      .page-link {
        @include border-left-radius($border-radius);
      }
    }
    &:last-child {
      .page-link {
        @include border-right-radius($border-radius);
      }
    }
  }
}

// Lists

// Unstyled keeps list items block level, just removes default browser padding and list-style
@mixin list-unstyled() {
  padding-left: 0;
  list-style: none;
}

// List Groups

@mixin list-group-item-variant($state, $background, $color) {
  .list-group-item-#{$state} {
    color: $color;
    background-color: $background;

    &.list-group-item-action {
      @include hover-focus() {
        color: $color;
        background-color: darken($background, 5%);
      }

      &.active {
        color: $white;
        background-color: $color;
        border-color: $color;
      }
    }
  }
}

// Horizontal dividers
//
// Dividers (basically an hr) within dropdowns and nav lists

@mixin nav-divider($color: $nav-divider-color, $margin-y: $nav-divider-margin-y, $ignore-warning: false) {
  height: 0;
  margin: $margin-y 0;
  overflow: hidden;
  border-top: 1px solid $color;
  @include deprecate("The `nav-divider()` mixin", "v4.4.0", "v5", $ignore-warning);
}

// Form control focus state
//
// Generate a customized focus state and for any input with the specified color,
// which defaults to the `$input-focus-border-color` variable.
//
// We highly encourage you to not customize the default value, but instead use
// this to tweak colors on an as-needed basis. This aesthetic change is based on
// WebKit's default styles, but applicable to a wider range of browsers. Its
// usability and accessibility should be taken into account with any change.
//
// Example usage: change the default blue border and shadow to white for better
// contrast against a dark gray background.
@mixin form-control-focus($ignore-warning: false) {
  &:focus {
    color: $input-focus-color;
    background-color: $input-focus-bg;
    border-color: $input-focus-border-color;
    outline: 0;
    @if $enable-shadows {
      @include box-shadow($input-box-shadow, $input-focus-box-shadow);
    } @else {
      // Avoid using mixin so we can pass custom focus shadow properly
      box-shadow: $input-focus-box-shadow;
    }
  }
  @include deprecate("The `form-control-focus()` mixin", "v4.4.0", "v5", $ignore-warning);
}

// This mixin uses an `if()` technique to be compatible with Dart Sass
// See https://github.com/sass/sass/issues/1873#issuecomment-152293725 for more details
@mixin form-validation-state-selector($state) {
  @if ($state == "valid" or $state == "invalid") {
    .was-validated #{if(&, "&", "")}:#{$state},
    #{if(&, "&", "")}.is-#{$state} {
      @content;
    }
  } @else {
    #{if(&, "&", "")}.is-#{$state} {
      @content;
    }
  }
}

@mixin form-validation-state($state, $color, $icon) {
  .#{$state}-feedback {
    display: none;
    width: 100%;
    margin-top: $form-feedback-margin-top;
    @include font-size($form-feedback-font-size);
    color: $color;
  }

  .#{$state}-tooltip {
    position: absolute;
    top: 100%;
    left: 0;
    z-index: 5;
    display: none;
    max-width: 100%; // Contain to parent when possible
    padding: $form-feedback-tooltip-padding-y $form-feedback-tooltip-padding-x;
    margin-top: .1rem;
    @include font-size($form-feedback-tooltip-font-size);
    line-height: $form-feedback-tooltip-line-height;
    color: color-yiq($color);
    background-color: rgba($color, $form-feedback-tooltip-opacity);
    @include border-radius($form-feedback-tooltip-border-radius);
  }

  @include form-validation-state-selector($state) {
    ~ .#{$state}-feedback,
    ~ .#{$state}-tooltip {
      display: block;
    }
  }

  .form-control {
    @include form-validation-state-selector($state) {
      border-color: $color;

      @if $enable-validation-icons {
        padding-right: $input-height-inner;
        background-image: escape-svg($icon);
        background-repeat: no-repeat;
        background-position: right $input-height-inner-quarter center;
        background-size: $input-height-inner-half $input-height-inner-half;
      }

      &:focus {
        border-color: $color;
        box-shadow: 0 0 0 $input-focus-width rgba($color, .25);
      }
    }
  }

  // stylelint-disable-next-line selector-no-qualifying-type
  textarea.form-control {
    @include form-validation-state-selector($state) {
      @if $enable-validation-icons {
        padding-right: $input-height-inner;
        background-position: top $input-height-inner-quarter right $input-height-inner-quarter;
      }
    }
  }

  .custom-select {
    @include form-validation-state-selector($state) {
      border-color: $color;

      @if $enable-validation-icons {
        padding-right: $custom-select-feedback-icon-padding-right;
        background: $custom-select-background, escape-svg($icon) $custom-select-bg no-repeat $custom-select-feedback-icon-position / $custom-select-feedback-icon-size;
      }

      &:focus {
        border-color: $color;
        box-shadow: 0 0 0 $input-focus-width rgba($color, .25);
      }
    }
  }

  .form-check-input {
    @include form-validation-state-selector($state) {
      ~ .form-check-label {
        color: $color;
      }

      ~ .#{$state}-feedback,
      ~ .#{$state}-tooltip {
        display: block;
      }
    }
  }

  .custom-control-input {
    @include form-validation-state-selector($state) {
      ~ .custom-control-label {
        color: $color;

        &::before {
          border-color: $color;
        }
      }

      &:checked {
        ~ .custom-control-label::before {
          border-color: lighten($color, 10%);
          @include gradient-bg(lighten($color, 10%));
        }
      }

      &:focus {
        ~ .custom-control-label::before {
          box-shadow: 0 0 0 $input-focus-width rgba($color, .25);
        }

        &:not(:checked) ~ .custom-control-label::before {
          border-color: $color;
        }
      }
    }
  }

  // custom file
  .custom-file-input {
    @include form-validation-state-selector($state) {
      ~ .custom-file-label {
        border-color: $color;
      }

      &:focus {
        ~ .custom-file-label {
          border-color: $color;
          box-shadow: 0 0 0 $input-focus-width rgba($color, .25);
        }
      }
    }
  }
}

// Tables

@mixin table-row-variant($state, $background, $border: null) {
  // Exact selectors below required to override `.table-striped` and prevent
  // inheritance to nested tables.
  .table-#{$state} {
    &,
    > th,
    > td {
      background-color: $background;
    }

    @if $border != null {
      th,
      td,
      thead th,
      tbody + tbody {
        border-color: $border;
      }
    }
  }

  // Hover states for `.table-hover`
  // Note: this is not available for cells or rows within `thead` or `tfoot`.
  .table-hover {
    $hover-background: darken($background, 5%);

    .table-#{$state} {
      @include hover() {
        background-color: $hover-background;

        > td,
        > th {
          background-color: $hover-background;
        }
      }
    }
  }
}

// Skins

// stylelint-disable declaration-no-important

// Contextual backgrounds

@mixin bg-variant($parent, $color, $ignore-warning: false) {
  #{$parent} {
    background-color: $color !important;
  }
  a#{$parent},
  button#{$parent} {
    @include hover-focus() {
      background-color: darken($color, 10%) !important;
    }
  }
  @include deprecate("The `bg-variant` mixin", "v4.4.0", "v5", $ignore-warning);
}

@mixin bg-gradient-variant($parent, $color, $ignore-warning: false) {
  #{$parent} {
    background: $color linear-gradient(180deg, mix($body-bg, $color, 15%), $color) repeat-x !important;
  }
  @include deprecate("The `bg-gradient-variant` mixin", "v4.5.0", "v5", $ignore-warning);
}

// stylelint-disable property-disallowed-list
// Single side border-radius

// Helper function to replace negative values with 0
@function valid-radius($radius) {
  $return: ();
  @each $value in $radius {
    @if type-of($value) == number {
      $return: append($return, max($value, 0));
    } @else {
      $return: append($return, $value);
    }
  }
  @return $return;
}

@mixin border-radius($radius: $border-radius, $fallback-border-radius: false) {
  @if $enable-rounded {
    border-radius: valid-radius($radius);
  }
  @else if $fallback-border-radius != false {
    border-radius: $fallback-border-radius;
  }
}

@mixin border-top-radius($radius) {
  @if $enable-rounded {
    border-top-left-radius: valid-radius($radius);
    border-top-right-radius: valid-radius($radius);
  }
}

@mixin border-right-radius($radius) {
  @if $enable-rounded {
    border-top-right-radius: valid-radius($radius);
    border-bottom-right-radius: valid-radius($radius);
  }
}

@mixin border-bottom-radius($radius) {
  @if $enable-rounded {
    border-bottom-right-radius: valid-radius($radius);
    border-bottom-left-radius: valid-radius($radius);
  }
}

@mixin border-left-radius($radius) {
  @if $enable-rounded {
    border-top-left-radius: valid-radius($radius);
    border-bottom-left-radius: valid-radius($radius);
  }
}

@mixin border-top-left-radius($radius) {
  @if $enable-rounded {
    border-top-left-radius: valid-radius($radius);
  }
}

@mixin border-top-right-radius($radius) {
  @if $enable-rounded {
    border-top-right-radius: valid-radius($radius);
  }
}

@mixin border-bottom-right-radius($radius) {
  @if $enable-rounded {
    border-bottom-right-radius: valid-radius($radius);
  }
}

@mixin border-bottom-left-radius($radius) {
  @if $enable-rounded {
    border-bottom-left-radius: valid-radius($radius);
  }
}

// Box shadow
@mixin box-shadow($shadow...) {
  @if $enable-shadows {
    $result: ();

    @if (length($shadow) == 1) {
      // We can pass `@include box-shadow(none);`
      $result: $shadow;
    } @else {
      // Filter to avoid invalid properties for example `box-shadow: none, 1px 1px black;`
      @for $i from 1 through length($shadow) {
        @if nth($shadow, $i) != "none" {
          $result: append($result, nth($shadow, $i), "comma");
        }
      }
    }
    @if (length($result) > 0) {
      box-shadow: $result;
    }
  }
}

// Gradients

@mixin gradient-bg($color) {
  @if $enable-gradients {
    background: $color linear-gradient(180deg, mix($body-bg, $color, 15%), $color) repeat-x;
  } @else {
    background-color: $color;
  }
}

// Horizontal gradient, from left to right
//
// Creates two color stops, start and end, by specifying a color and position for each color stop.
@mixin gradient-x($start-color: $gray-700, $end-color: $gray-800, $start-percent: 0%, $end-percent: 100%) {
  background-image: linear-gradient(to right, $start-color $start-percent, $end-color $end-percent);
  background-repeat: repeat-x;
}

// Vertical gradient, from top to bottom
//
// Creates two color stops, start and end, by specifying a color and position for each color stop.
@mixin gradient-y($start-color: $gray-700, $end-color: $gray-800, $start-percent: 0%, $end-percent: 100%) {
  background-image: linear-gradient(to bottom, $start-color $start-percent, $end-color $end-percent);
  background-repeat: repeat-x;
}

@mixin gradient-directional($start-color: $gray-700, $end-color: $gray-800, $deg: 45deg) {
  background-image: linear-gradient($deg, $start-color, $end-color);
  background-repeat: repeat-x;
}
@mixin gradient-x-three-colors($start-color: $blue, $mid-color: $purple, $color-stop: 50%, $end-color: $red) {
  background-image: linear-gradient(to right, $start-color, $mid-color $color-stop, $end-color);
  background-repeat: no-repeat;
}
@mixin gradient-y-three-colors($start-color: $blue, $mid-color: $purple, $color-stop: 50%, $end-color: $red) {
  background-image: linear-gradient($start-color, $mid-color $color-stop, $end-color);
  background-repeat: no-repeat;
}
@mixin gradient-radial($inner-color: $gray-700, $outer-color: $gray-800) {
  background-image: radial-gradient(circle, $inner-color, $outer-color);
  background-repeat: no-repeat;
}
@mixin gradient-striped($color: rgba($white, .15), $angle: 45deg) {
  background-image: linear-gradient($angle, $color 25%, transparent 25%, transparent 50%, $color 50%, $color 75%, transparent 75%, transparent);
}

// stylelint-disable property-disallowed-list
@mixin transition($transition...) {
  @if length($transition) == 0 {
    $transition: $transition-base;
  }

  @if length($transition) > 1 {
    @each $value in $transition {
      @if $value == null or $value == none {
        @warn "The keyword 'none' or 'null' must be used as a single argument.";
      }
    }
  }

  @if $enable-transitions {
    @if nth($transition, 1) != null {
      transition: $transition;
    }

    @if $enable-prefers-reduced-motion-media-query and nth($transition, 1) != null and nth($transition, 1) != none {
      @media (prefers-reduced-motion: reduce) {
        transition: none;
      }
    }
  }
}

// Layout
@mixin clearfix() {
  &::after {
    display: block;
    clear: both;
    content: "";
  }
}

// Framework grid generation
//
// Used only by Bootstrap to generate the correct number of grid classes given
// any value of `$grid-columns`.

@mixin make-grid-columns($columns: $grid-columns, $gutter: $grid-gutter-width, $breakpoints: $grid-breakpoints) {
  // Common properties for all breakpoints
  %grid-column {
    position: relative;
    width: 100%;
    padding-right: $gutter / 2;
    padding-left: $gutter / 2;
  }

  @each $breakpoint in map-keys($breakpoints) {
    $infix: breakpoint-infix($breakpoint, $breakpoints);

    @if $columns > 0 {
      // Allow columns to stretch full width below their breakpoints
      @for $i from 1 through $columns {
        .col#{$infix}-#{$i} {
          @extend %grid-column;
        }
      }
    }

    .col#{$infix},
    .col#{$infix}-auto {
      @extend %grid-column;
    }

    @include media-breakpoint-up($breakpoint, $breakpoints) {
      // Provide basic `.col-{bp}` classes for equal-width flexbox columns
      .col#{$infix} {
        flex-basis: 0;
        flex-grow: 1;
        max-width: 100%;
      }

      @if $grid-row-columns > 0 {
        @for $i from 1 through $grid-row-columns {
          .row-cols#{$infix}-#{$i} {
            @include row-cols($i);
          }
        }
      }

      .col#{$infix}-auto {
        @include make-col-auto();
      }

      @if $columns > 0 {
        @for $i from 1 through $columns {
          .col#{$infix}-#{$i} {
            @include make-col($i, $columns);
          }
        }
      }

      .order#{$infix}-first { order: -1; }

      .order#{$infix}-last { order: $columns + 1; }

      @for $i from 0 through $columns {
        .order#{$infix}-#{$i} { order: $i; }
      }

      @if $columns > 0 {
        // `$columns - 1` because offsetting by the width of an entire row isn't possible
        @for $i from 0 through ($columns - 1) {
          @if not ($infix == "" and $i == 0) { // Avoid emitting useless .offset-0
            .offset#{$infix}-#{$i} {
              @include make-col-offset($i, $columns);
            }
          }
        }
      }
    }
  }
}

/// Grid system
//
// Generate semantic grid columns with these mixins.

@mixin make-container($gutter: $grid-gutter-width) {
  width: 100%;
  padding-right: $gutter / 2;
  padding-left: $gutter / 2;
  margin-right: auto;
  margin-left: auto;
}

@mixin make-row($gutter: $grid-gutter-width) {
  display: flex;
  flex-wrap: wrap;
  margin-right: -$gutter / 2;
  margin-left: -$gutter / 2;
}

// For each breakpoint, define the maximum width of the container in a media query
@mixin make-container-max-widths($max-widths: $container-max-widths, $breakpoints: $grid-breakpoints) {
  @each $breakpoint, $container-max-width in $max-widths {
    @include media-breakpoint-up($breakpoint, $breakpoints) {
      max-width: $container-max-width;
    }
  }
  @include deprecate("The `make-container-max-widths` mixin", "v4.5.2", "v5");
}

@mixin make-col-ready($gutter: $grid-gutter-width) {
  position: relative;
  // Prevent columns from becoming too narrow when at smaller grid tiers by
  // always setting `width: 100%;`. This works because we use `flex` values
  // later on to override this initial width.
  width: 100%;
  padding-right: $gutter / 2;
  padding-left: $gutter / 2;
}

@mixin make-col($size, $columns: $grid-columns) {
  flex: 0 0 percentage($size / $columns);
  // Add a `max-width` to ensure content within each column does not blow out
  // the width of the column. Applies to IE10+ and Firefox. Chrome and Safari
  // do not appear to require this.
  max-width: percentage($size / $columns);
}

@mixin make-col-auto() {
  flex: 0 0 auto;
  width: auto;
  max-width: 100%; // Reset earlier grid tiers
}

@mixin make-col-offset($size, $columns: $grid-columns) {
  $num: $size / $columns;
  margin-left: if($num == 0, 0, percentage($num));
}

// Row columns
//
// Specify on a parent element(e.g., .row) to force immediate children into NN
// numberof columns. Supports wrapping to new lines, but does not do a Masonry
// style grid.
@mixin row-cols($count) {
  > * {
    flex: 0 0 100% / $count;
    max-width: 100% / $count;
  }
}

// stylelint-disable declaration-no-important

@mixin float-left() {
  float: left !important;
  @include deprecate("The `float-left` mixin", "v4.3.0", "v5");
}
@mixin float-right() {
  float: right !important;
  @include deprecate("The `float-right` mixin", "v4.3.0", "v5");
}
@mixin float-none() {
  float: none !important;
  @include deprecate("The `float-none` mixin", "v4.3.0", "v5");
}

//bootstrap-vue
$b-toast-background-opacity: alpha($toast-background-color) !default;
@mixin bv-custom-range-validation-state($state, $color) {
  .input-group .custom-range {
    .was-validated &:#{$state},
    &.is-#{$state} {
      border-color: $color;

      &:focus {
        border-color: $color;
        box-shadow: 0 0 0 $input-focus-width rgba($color, 0.25);
      }
    }
  }

  .custom-range {
    .was-validated &:#{$state},
    &.is-#{$state} {
      // Pseudo-elements must be split across multiple rulesets to have an affect
      &:focus {
        &::-webkit-slider-thumb {
          box-shadow: 0 0 0 1px $body-bg, 0 0 0 $input-btn-focus-width lighten($color, 35%);
        }
        &::-moz-range-thumb {
          box-shadow: 0 0 0 1px $body-bg, 0 0 0 $input-btn-focus-width lighten($color, 35%);
        }
        &::-ms-thumb {
          box-shadow: 0 0 0 1px $body-bg, 0 0 0 $input-btn-focus-width lighten($color, 35%);
        }
      }

      &::-webkit-slider-thumb {
        background-color: $color;
        background-image: none;

        &:active {
          background-color: lighten($color, 35%);
          background-image: none;
        }
      }

      &::-webkit-slider-runnable-track {
        background-color: rgba($color, 0.35);
      }

      &::-moz-range-thumb {
        background-color: $color;
        background-image: none;

        &:active {
          background-color: lighten($color, 35%);
          background-image: none;
        }
      }

      &::-moz-range-track {
        background: rgba($color, 0.35);
      }

      ~ .#{$state}-feedback,
      ~ .#{$state}-tooltip {
        display: block;
      }

      &::-ms-thumb {
        background-color: $color;
        background-image: none;

        &:active {
          background-color: lighten($color, 35%);
          background-image: none;
        }
      }

      &::-ms-track-lower {
        background: rgba($color, 0.35);
      }
      &::-ms-track-upper {
        background: rgba($color, 0.35);
      }
    }
  }
}
@mixin b-toast-variant($background, $border, $color) {
  // Based on alert-variant mixin
  .toast {
    background-color: rgba(lighten($background, 5%), $b-toast-background-opacity);
    border-color: rgba($border, $b-toast-background-opacity);
    color: $color;

    .toast-header {
      color: $color;
      background-color: rgba($background, $b-toast-background-opacity);
      border-bottom-color: rgba($border, $b-toast-background-opacity);
    }

    // .toast-body[href] {
    //   color: darken($color, 10%);
    // }
  }

  &.b-toast-solid {
    .toast {
      background-color: rgba(lighten($background, 5%), 1);
    }
  }
}
