add proper readme file

add peertube to mainpage and add opening in new tabs to websites outside onfoss.org
fix wrong url displayed for the xmpp channel
2023-06-08 15:36:43 +02:00 · 2023-06-08 15:28:23 +02:00 · 2023-06-08 15:23:32 +02:00 · 2023-06-08 15:20:45 +02:00 · 2023-06-08 15:18:59 +02:00
58 changed files with 2119 additions and 314 deletions
--- a/.gitignore
+++ b/.gitignore
@ -5,5 +5,5 @@ _site/
 .jekyll-metadata
 # Ignore folders generated by Bundler
 .bundle/
-vendor/
+/vendor/

--- a/README.md
+++ b/README.md
@ -1,3 +1,12 @@
 # onFOSS.org

-This is the main homepage of the onFOSS organization. It is build with Jekyll.
+This is the main homepage of the onFOSS organization. It is build with [Jekyll](https://jekyllrb.com/).
+
+## Contribution
+This is the repository for the sourcecode of the homepage. If you want to contribute install Jekyll and always test with `bundle exec jekyll serve` if the site is running.
+
+## Deployment
+To deploy the homepage, you have to build the site with `bundle exec jekyll build` and copy the `_site` directory into the [deploy repostitory](https://git.libregaming.org/onFOSS/onFOSS.org-Deploy). The changes are getting deployed every 10 minutes automatically.
+
+## Atribution
+We use [Bootstrap](https://getbootstrap.com/) that is licenced as MIT.
--- a/_sass/bootstrap/_accordion.scss
+++ b/_sass/bootstrap/_accordion.scss
@ -147,3 +147,12 @@
    }
  }
 }
+
+@if $enable-dark-mode {
+  @include color-mode(dark) {
+    .accordion-button::after {
+      --#{$prefix}accordion-btn-icon: #{escape-svg($accordion-button-icon-dark)};
+      --#{$prefix}accordion-btn-active-icon: #{escape-svg($accordion-button-active-icon-dark)};
+    }
+  }
+}
--- a/_sass/bootstrap/_alert.scss
+++ b/_sass/bootstrap/_alert.scss
@ -12,6 +12,7 @@
  --#{$prefix}alert-border-color: transparent;
  --#{$prefix}alert-border: #{$alert-border-width} solid var(--#{$prefix}alert-border-color);
  --#{$prefix}alert-border-radius: #{$alert-border-radius};
+  --#{$prefix}alert-link-color: inherit;
  // scss-docs-end alert-css-vars

  position: relative;
@ -32,6 +33,7 @@
 // Provide class for links that match alerts
 .alert-link {
  font-weight: $alert-link-font-weight;
+  color: var(--#{$prefix}alert-link-color);
 }


@ -54,18 +56,13 @@


 // scss-docs-start alert-modifiers
-// Generate contextual modifier classes for colorizing the alert.
-
-@each $state, $value in $theme-colors {
-  $alert-background: shift-color($value, $alert-bg-scale);
-  $alert-border: shift-color($value, $alert-border-scale);
-  $alert-color: shift-color($value, $alert-color-scale);
-
-  @if (contrast-ratio($alert-background, $alert-color) < $min-contrast-ratio) {
-    $alert-color: mix($value, color-contrast($alert-background), abs($alert-color-scale));
-  }
+// Generate contextual modifier classes for colorizing the alert
+@each $state in map-keys($theme-colors) {
  .alert-#{$state} {
-    @include alert-variant($alert-background, $alert-border, $alert-color);
+    --#{$prefix}alert-color: var(--#{$prefix}#{$state}-text-emphasis);
+    --#{$prefix}alert-bg: var(--#{$prefix}#{$state}-bg-subtle);
+    --#{$prefix}alert-border-color: var(--#{$prefix}#{$state}-border-subtle);
+    --#{$prefix}alert-link-color: var(--#{$prefix}#{$state}-text-emphasis);
  }
 }
 // scss-docs-end alert-modifiers
--- a/_sass/bootstrap/_button-group.scss
+++ b/_sass/bootstrap/_button-group.scss
@ -39,7 +39,7 @@
  // Prevent double borders when buttons are next to each other
  > :not(.btn-check:first-child) + .btn,
  > .btn-group:not(:first-child) {
-    margin-left: -$btn-border-width;
+    margin-left: calc(#{$btn-border-width} * -1); // stylelint-disable-line function-disallowed-list
  }

  // Reset rounded corners
@ -126,7 +126,7 @@

  > .btn:not(:first-child),
  > .btn-group:not(:first-child) {
-    margin-top: -$btn-border-width;
+    margin-top: calc(#{$btn-border-width} * -1); // stylelint-disable-line function-disallowed-list
  }

  // Reset rounded corners
--- a/_sass/bootstrap/_buttons.scss
+++ b/_sass/bootstrap/_buttons.scss
@ -10,7 +10,7 @@
  @include rfs($btn-font-size, --#{$prefix}btn-font-size);
  --#{$prefix}btn-font-weight: #{$btn-font-weight};
  --#{$prefix}btn-line-height: #{$btn-line-height};
-  --#{$prefix}btn-color: #{$body-color};
+  --#{$prefix}btn-color: #{$btn-color};
  --#{$prefix}btn-bg: transparent;
  --#{$prefix}btn-border-width: #{$btn-border-width};
  --#{$prefix}btn-border-color: transparent;
@ -169,8 +169,8 @@
  --#{$prefix}btn-active-border-color: transparent;
  --#{$prefix}btn-disabled-color: #{$btn-link-disabled-color};
  --#{$prefix}btn-disabled-border-color: transparent;
-  --#{$prefix}btn-box-shadow: none;
-  --#{$prefix}btn-focus-shadow-rgb: #{to-rgb(mix(color-contrast($primary), $primary, 15%))};
+  --#{$prefix}btn-box-shadow: 0 0 0 #000; // Can't use `none` as keyword negates all values when used with multiple shadows
+  --#{$prefix}btn-focus-shadow-rgb: #{to-rgb(mix(color-contrast($link-color), $link-color, 15%))};

  text-decoration: $link-decoration;
  @if $enable-gradients {
--- a/_sass/bootstrap/_card.scss
+++ b/_sass/bootstrap/_card.scss
@ -7,6 +7,8 @@
  --#{$prefix}card-spacer-y: #{$card-spacer-y};
  --#{$prefix}card-spacer-x: #{$card-spacer-x};
  --#{$prefix}card-title-spacer-y: #{$card-title-spacer-y};
+  --#{$prefix}card-title-color: #{$card-title-color};
+  --#{$prefix}card-subtitle-color: #{$card-subtitle-color};
  --#{$prefix}card-border-width: #{$card-border-width};
  --#{$prefix}card-border-color: #{$card-border-color};
  --#{$prefix}card-border-radius: #{$card-border-radius};
@ -28,6 +30,7 @@
  flex-direction: column;
  min-width: 0; // See https://github.com/twbs/bootstrap/pull/22740#issuecomment-305868106
  height: var(--#{$prefix}card-height);
+  color: var(--#{$prefix}body-color);
  word-wrap: break-word;
  background-color: var(--#{$prefix}card-bg);
  background-clip: border-box;
@ -73,11 +76,13 @@

 .card-title {
  margin-bottom: var(--#{$prefix}card-title-spacer-y);
+  color: var(--#{$prefix}card-title-color);
 }

 .card-subtitle {
  margin-top: calc(-.5 * var(--#{$prefix}card-title-spacer-y)); // stylelint-disable-line function-disallowed-list
  margin-bottom: 0;
+  color: var(--#{$prefix}card-subtitle-color);
 }

 .card-text:last-child {
--- a/_sass/bootstrap/_carousel.scss
+++ b/_sass/bootstrap/_carousel.scss
@ -165,7 +165,6 @@
  margin-right: $carousel-control-width;
  margin-bottom: 1rem;
  margin-left: $carousel-control-width;
-  list-style: none;

  [data-bs-target] {
    box-sizing: content-box;
@ -210,7 +209,7 @@

 // Dark mode carousel

-.carousel-dark {
+@mixin carousel-dark() {
  .carousel-control-prev-icon,
  .carousel-control-next-icon {
    filter: $carousel-dark-control-icon-filter;
@ -224,3 +223,22 @@
    color: $carousel-dark-caption-color;
  }
 }
+
+.carousel-dark {
+  @include carousel-dark();
+}
+
+@if $enable-dark-mode {
+  @include color-mode(dark) {
+    @if $color-mode-type == "media-query" {
+      .carousel {
+        @include carousel-dark();
+      }
+    } @else {
+      .carousel,
+      &.carousel {
+        @include carousel-dark();
+      }
+    }
+  }
+}
--- a/_sass/bootstrap/_close.scss
+++ b/_sass/bootstrap/_close.scss
@ -4,37 +4,60 @@
 // See https://developer.mozilla.org/en-US/docs/Web/Events/click#Safari_Mobile

 .btn-close {
+  // scss-docs-start close-css-vars
+  --#{$prefix}btn-close-color: #{$btn-close-color};
+  --#{$prefix}btn-close-bg: #{ escape-svg($btn-close-bg) };
+  --#{$prefix}btn-close-opacity: #{$btn-close-opacity};
+  --#{$prefix}btn-close-hover-opacity: #{$btn-close-hover-opacity};
+  --#{$prefix}btn-close-focus-shadow: #{$btn-close-focus-shadow};
+  --#{$prefix}btn-close-focus-opacity: #{$btn-close-focus-opacity};
+  --#{$prefix}btn-close-disabled-opacity: #{$btn-close-disabled-opacity};
+  --#{$prefix}btn-close-white-filter: #{$btn-close-white-filter};
+  // scss-docs-end close-css-vars
+
  box-sizing: content-box;
  width: $btn-close-width;
  height: $btn-close-height;
  padding: $btn-close-padding-y $btn-close-padding-x;
-  color: $btn-close-color;
-  background: transparent escape-svg($btn-close-bg) center / $btn-close-width auto no-repeat; // include transparent for button elements
+  color: var(--#{$prefix}btn-close-color);
+  background: transparent var(--#{$prefix}btn-close-bg) center / $btn-close-width auto no-repeat; // include transparent for button elements
  border: 0; // for button elements
  @include border-radius();
-  opacity: $btn-close-opacity;
+  opacity: var(--#{$prefix}btn-close-opacity);

  // Override <a>'s hover style
  &:hover {
-    color: $btn-close-color;
+    color: var(--#{$prefix}btn-close-color);
    text-decoration: none;
-    opacity: $btn-close-hover-opacity;
+    opacity: var(--#{$prefix}btn-close-hover-opacity);
  }

  &:focus {
    outline: 0;
-    box-shadow: $btn-close-focus-shadow;
-    opacity: $btn-close-focus-opacity;
+    box-shadow: var(--#{$prefix}btn-close-focus-shadow);
+    opacity: var(--#{$prefix}btn-close-focus-opacity);
  }

  &:disabled,
  &.disabled {
    pointer-events: none;
    user-select: none;
-    opacity: $btn-close-disabled-opacity;
+    opacity: var(--#{$prefix}btn-close-disabled-opacity);
  }
 }

-.btn-close-white {
-  filter: $btn-close-white-filter;
+@mixin btn-close-white() {
+  filter: var(--#{$prefix}btn-close-white-filter);
+}
+
+.btn-close-white {
+  @include btn-close-white();
+}
+
+@if $enable-dark-mode {
+  @include color-mode(dark) {
+    .btn-close {
+      @include btn-close-white();
+    }
+  }
 }
--- a/_sass/bootstrap/_dropdown.scss
+++ b/_sass/bootstrap/_dropdown.scss
@ -184,6 +184,7 @@
  white-space: nowrap; // prevent links from randomly breaking onto new lines
  background-color: transparent; // For `<button>`s
  border: 0; // For `<button>`s
+  @include border-radius(var(--#{$prefix}dropdown-item-border-radius, 0));

  &:hover,
  &:focus {
--- a/_sass/bootstrap/_functions.scss
+++ b/_sass/bootstrap/_functions.scss
@ -188,7 +188,7 @@ $_luminance-list: .0008 .001 .0011 .0013 .0015 .0017 .002 .0022 .0025 .0027 .003
  );

  @each $name, $value in $rgb {
-    $value: if(divide($value, 255) < .03928, divide(divide($value, 255), 12.92), nth($_luminance-list, $value + 1));
+    $value: if(divide($value, 255) < .04045, divide(divide($value, 255), 12.92), nth($_luminance-list, $value + 1));
    $rgb: map-merge($rgb, ($name: $value));
  }

--- a/_sass/bootstrap/_grid.scss
+++ b/_sass/bootstrap/_grid.scss
@ -2,6 +2,12 @@
 //
 // Rows contain your columns.

+:root {
+  @each $name, $value in $grid-breakpoints {
+    --#{$prefix}breakpoint-#{$name}: #{$value};
+  }
+}
+
@if $enable-grid-classes {
  .row {
    @include make-row();
--- a/_sass/bootstrap/_helpers.scss
+++ b/_sass/bootstrap/_helpers.scss
@ -1,6 +1,8 @@
@import "helpers/clearfix";
@import "helpers/color-bg";
@import "helpers/colored-links";
+@import "helpers/focus-ring";
+@import "helpers/icon-link";
@import "helpers/ratio";
@import "helpers/position";
@import "helpers/stacks";
--- a/_sass/bootstrap/_list-group.scss
+++ b/_sass/bootstrap/_list-group.scss
@ -180,13 +180,18 @@
 // Add modifier classes to change text and background color on individual items.
 // Organizationally, this must come after the `:hover` states.

-@each $state, $value in $theme-colors {
-  $list-group-variant-bg: shift-color($value, $list-group-item-bg-scale);
-  $list-group-variant-color: shift-color($value, $list-group-item-color-scale);
-  @if (contrast-ratio($list-group-variant-bg, $list-group-variant-color) < $min-contrast-ratio) {
-    $list-group-variant-color: mix($value, color-contrast($list-group-variant-bg), abs($list-group-item-color-scale));
+@each $state in map-keys($theme-colors) {
+  .list-group-item-#{$state} {
+    --#{$prefix}list-group-color: var(--#{$prefix}#{$state}-text-emphasis);
+    --#{$prefix}list-group-bg: var(--#{$prefix}#{$state}-bg-subtle);
+    --#{$prefix}list-group-border-color: var(--#{$prefix}#{$state}-border-subtle);
+    --#{$prefix}list-group-action-hover-color: var(--#{$prefix}emphasis-color);
+    --#{$prefix}list-group-action-hover-bg: var(--#{$prefix}#{$state}-border-subtle);
+    --#{$prefix}list-group-action-active-color: var(--#{$prefix}emphasis-color);
+    --#{$prefix}list-group-action-active-bg: var(--#{$prefix}#{$state}-border-subtle);
+    --#{$prefix}list-group-active-color: var(--#{$prefix}#{$state}-bg-subtle);
+    --#{$prefix}list-group-active-bg: var(--#{$prefix}#{$state}-text-emphasis);
+    --#{$prefix}list-group-active-border-color: var(--#{$prefix}#{$state}-text-emphasis);
  }
-
-  @include list-group-item-variant($state, $list-group-variant-bg, $list-group-variant-color);
 }
 // scss-docs-end list-group-modifiers
--- a/_sass/bootstrap/_maps.scss
+++ b/_sass/bootstrap/_maps.scss
@ -6,6 +6,90 @@
 $theme-colors-rgb: map-loop($theme-colors, to-rgb, "$value") !default;
 // scss-docs-end theme-colors-rgb

+// scss-docs-start theme-text-map
+$theme-colors-text: (
+  "primary": $primary-text-emphasis,
+  "secondary": $secondary-text-emphasis,
+  "success": $success-text-emphasis,
+  "info": $info-text-emphasis,
+  "warning": $warning-text-emphasis,
+  "danger": $danger-text-emphasis,
+  "light": $light-text-emphasis,
+  "dark": $dark-text-emphasis,
+) !default;
+// scss-docs-end theme-text-map
+
+// scss-docs-start theme-bg-subtle-map
+$theme-colors-bg-subtle: (
+  "primary": $primary-bg-subtle,
+  "secondary": $secondary-bg-subtle,
+  "success": $success-bg-subtle,
+  "info": $info-bg-subtle,
+  "warning": $warning-bg-subtle,
+  "danger": $danger-bg-subtle,
+  "light": $light-bg-subtle,
+  "dark": $dark-bg-subtle,
+) !default;
+// scss-docs-end theme-bg-subtle-map
+
+// scss-docs-start theme-border-subtle-map
+$theme-colors-border-subtle: (
+  "primary": $primary-border-subtle,
+  "secondary": $secondary-border-subtle,
+  "success": $success-border-subtle,
+  "info": $info-border-subtle,
+  "warning": $warning-border-subtle,
+  "danger": $danger-border-subtle,
+  "light": $light-border-subtle,
+  "dark": $dark-border-subtle,
+) !default;
+// scss-docs-end theme-border-subtle-map
+
+$theme-colors-text-dark: null !default;
+$theme-colors-bg-subtle-dark: null !default;
+$theme-colors-border-subtle-dark: null !default;
+
+@if $enable-dark-mode {
+  // scss-docs-start theme-text-dark-map
+  $theme-colors-text-dark: (
+    "primary": $primary-text-emphasis-dark,
+    "secondary": $secondary-text-emphasis-dark,
+    "success": $success-text-emphasis-dark,
+    "info": $info-text-emphasis-dark,
+    "warning": $warning-text-emphasis-dark,
+    "danger": $danger-text-emphasis-dark,
+    "light": $light-text-emphasis-dark,
+    "dark": $dark-text-emphasis-dark,
+  ) !default;
+  // scss-docs-end theme-text-dark-map
+
+  // scss-docs-start theme-bg-subtle-dark-map
+  $theme-colors-bg-subtle-dark: (
+    "primary": $primary-bg-subtle-dark,
+    "secondary": $secondary-bg-subtle-dark,
+    "success": $success-bg-subtle-dark,
+    "info": $info-bg-subtle-dark,
+    "warning": $warning-bg-subtle-dark,
+    "danger": $danger-bg-subtle-dark,
+    "light": $light-bg-subtle-dark,
+    "dark": $dark-bg-subtle-dark,
+  ) !default;
+  // scss-docs-end theme-bg-subtle-dark-map
+
+  // scss-docs-start theme-border-subtle-dark-map
+  $theme-colors-border-subtle-dark: (
+    "primary": $primary-border-subtle-dark,
+    "secondary": $secondary-border-subtle-dark,
+    "success": $success-border-subtle-dark,
+    "info": $info-border-subtle-dark,
+    "warning": $warning-border-subtle-dark,
+    "danger": $danger-border-subtle-dark,
+    "light": $light-border-subtle-dark,
+    "dark": $dark-border-subtle-dark,
+  ) !default;
+  // scss-docs-end theme-border-subtle-dark-map
+}
+
 // Utilities maps
 //
 // Extends the default `$theme-colors` maps to help create our utilities.
@ -25,6 +109,17 @@ $utilities-text: map-merge(
  )
 ) !default;
 $utilities-text-colors: map-loop($utilities-text, rgba-css-var, "$key", "text") !default;
+
+$utilities-text-emphasis-colors: (
+  "primary-emphasis": var(--#{$prefix}primary-text-emphasis),
+  "secondary-emphasis": var(--#{$prefix}secondary-text-emphasis),
+  "success-emphasis": var(--#{$prefix}success-text-emphasis),
+  "info-emphasis": var(--#{$prefix}info-text-emphasis),
+  "warning-emphasis": var(--#{$prefix}warning-text-emphasis),
+  "danger-emphasis": var(--#{$prefix}danger-text-emphasis),
+  "light-emphasis": var(--#{$prefix}light-text-emphasis),
+  "dark-emphasis": var(--#{$prefix}dark-text-emphasis)
+) !default;
 // scss-docs-end utilities-text-colors

 // scss-docs-start utilities-bg-colors
@ -37,18 +132,43 @@ $utilities-bg: map-merge(
  )
 ) !default;
 $utilities-bg-colors: map-loop($utilities-bg, rgba-css-var, "$key", "bg") !default;
+
+$utilities-bg-subtle: (
+  "primary-subtle": var(--#{$prefix}primary-bg-subtle),
+  "secondary-subtle": var(--#{$prefix}secondary-bg-subtle),
+  "success-subtle": var(--#{$prefix}success-bg-subtle),
+  "info-subtle": var(--#{$prefix}info-bg-subtle),
+  "warning-subtle": var(--#{$prefix}warning-bg-subtle),
+  "danger-subtle": var(--#{$prefix}danger-bg-subtle),
+  "light-subtle": var(--#{$prefix}light-bg-subtle),
+  "dark-subtle": var(--#{$prefix}dark-bg-subtle)
+) !default;
 // scss-docs-end utilities-bg-colors

 // scss-docs-start utilities-border-colors
 $utilities-border: map-merge(
  $utilities-colors,
  (
+    "black": to-rgb($black),
    "white": to-rgb($white)
  )
 ) !default;
 $utilities-border-colors: map-loop($utilities-border, rgba-css-var, "$key", "border") !default;
+
+$utilities-border-subtle: (
+  "primary-subtle": var(--#{$prefix}primary-border-subtle),
+  "secondary-subtle": var(--#{$prefix}secondary-border-subtle),
+  "success-subtle": var(--#{$prefix}success-border-subtle),
+  "info-subtle": var(--#{$prefix}info-border-subtle),
+  "warning-subtle": var(--#{$prefix}warning-border-subtle),
+  "danger-subtle": var(--#{$prefix}danger-border-subtle),
+  "light-subtle": var(--#{$prefix}light-border-subtle),
+  "dark-subtle": var(--#{$prefix}dark-border-subtle)
+) !default;
 // scss-docs-end utilities-border-colors

+$utilities-links-underline: map-loop($utilities-colors, rgba-css-var, "$key", "link-underline") !default;
+
 $negative-spacers: if($enable-negative-margins, negativify-map($spacers), null) !default;

 $gutters: $spacers !default;
--- a/_sass/bootstrap/_mixins.scss
+++ b/_sass/bootstrap/_mixins.scss
@ -10,6 +10,7 @@

 // Helpers
@import "mixins/breakpoints";
+@import "mixins/color-mode";
@import "mixins/color-scheme";
@import "mixins/image";
@import "mixins/resize";
@ -21,13 +22,11 @@
@import "mixins/utilities";

 // Components
-@import "mixins/alert";
@import "mixins/backdrop";
@import "mixins/buttons";
@import "mixins/caret";
@import "mixins/pagination";
@import "mixins/lists";
-@import "mixins/list-group";
@import "mixins/forms";
@import "mixins/table-variants";

--- a/_sass/bootstrap/_nav.scss
+++ b/_sass/bootstrap/_nav.scss
@ -28,6 +28,8 @@
  font-weight: var(--#{$prefix}nav-link-font-weight);
  color: var(--#{$prefix}nav-link-color);
  text-decoration: if($link-decoration == none, null, none);
+  background: none;
+  border: 0;
  @include transition($nav-link-transition);

  &:hover,
@ -36,6 +38,11 @@
    text-decoration: if($link-hover-decoration == underline, none, null);
  }

+  &:focus-visible {
+    outline: 0;
+    box-shadow: $nav-link-focus-box-shadow;
+  }
+
  // Disabled state lightens text
  &.disabled {
    color: var(--#{$prefix}nav-link-disabled-color);
@ -63,7 +70,6 @@

  .nav-link {
    margin-bottom: calc(-1 * var(--#{$prefix}nav-tabs-border-width)); // stylelint-disable-line function-disallowed-list
-    background: none;
    border: var(--#{$prefix}nav-tabs-border-width) solid transparent;
    @include border-top-radius(var(--#{$prefix}nav-tabs-border-radius));

@ -110,8 +116,6 @@
  // scss-docs-end nav-pills-css-vars

  .nav-link {
-    background: none;
-    border: 0;
    @include border-radius(var(--#{$prefix}nav-pills-border-radius));

    &:disabled {
@ -129,6 +133,39 @@
 }


+//
+// Underline
+//
+
+.nav-underline {
+  // scss-docs-start nav-underline-css-vars
+  --#{$prefix}nav-underline-gap: #{$nav-underline-gap};
+  --#{$prefix}nav-underline-border-width: #{$nav-underline-border-width};
+  --#{$prefix}nav-underline-link-active-color: #{$nav-underline-link-active-color};
+  // scss-docs-end nav-underline-css-vars
+
+  gap: var(--#{$prefix}nav-underline-gap);
+
+  .nav-link {
+    padding-right: 0;
+    padding-left: 0;
+    border-bottom: var(--#{$prefix}nav-underline-border-width) solid transparent;
+
+    &:hover,
+    &:focus {
+      border-bottom-color: currentcolor;
+    }
+  }
+
+  .nav-link.active,
+  .show > .nav-link {
+    font-weight: $font-weight-bold;
+    color: var(--#{$prefix}nav-underline-link-active-color);
+    border-bottom-color: currentcolor;
+  }
+}
+
+
 //
 // Justified variants
 //
--- a/_sass/bootstrap/_navbar.scss
+++ b/_sass/bootstrap/_navbar.scss
@ -100,9 +100,11 @@
  margin-bottom: 0;
  list-style: none;

-  .show > .nav-link,
-  .nav-link.active {
-    color: var(--#{$prefix}navbar-active-color);
+  .nav-link {
+    &.active,
+    &.show {
+      color: var(--#{$prefix}navbar-active-color);
+    }
  }

  .dropdown-menu {
@ -264,7 +266,8 @@
  @include deprecate("`.navbar-light`", "v5.2.0", "v6.0.0", true);
 }

-.navbar-dark {
+.navbar-dark,
+.navbar[data-bs-theme="dark"] {
  // scss-docs-start navbar-dark-css-vars
  --#{$prefix}navbar-color: #{$navbar-dark-color};
  --#{$prefix}navbar-hover-color: #{$navbar-dark-hover-color};
@ -276,3 +279,11 @@
  --#{$prefix}navbar-toggler-icon-bg: #{escape-svg($navbar-dark-toggler-icon-bg)};
  // scss-docs-end navbar-dark-css-vars
 }
+
+@if $enable-dark-mode {
+  @include color-mode(dark) {
+    .navbar-toggler-icon {
+      --#{$prefix}navbar-toggler-icon-bg: #{escape-svg($navbar-dark-toggler-icon-bg)};
+    }
+  }
+}
--- a/_sass/bootstrap/_offcanvas.scss
+++ b/_sass/bootstrap/_offcanvas.scss
@ -12,6 +12,8 @@
  --#{$prefix}offcanvas-border-width: #{$offcanvas-border-width};
  --#{$prefix}offcanvas-border-color: #{$offcanvas-border-color};
  --#{$prefix}offcanvas-box-shadow: #{$offcanvas-box-shadow};
+  --#{$prefix}offcanvas-transition: #{transform $offcanvas-transition-duration ease-in-out};
+  --#{$prefix}offcanvas-title-line-height: #{$offcanvas-title-line-height};
  // scss-docs-end offcanvas-css-vars
 }

@ -42,7 +44,7 @@
      background-clip: padding-box;
      outline: 0;
      @include box-shadow(var(--#{$prefix}offcanvas-box-shadow));
-      @include transition(transform $offcanvas-transition-duration ease-in-out);
+      @include transition(var(--#{$prefix}offcanvas-transition));

      &.offcanvas-start {
        top: 0;
@ -134,7 +136,7 @@

 .offcanvas-title {
  margin-bottom: 0;
-  line-height: $offcanvas-title-line-height;
+  line-height: var(--#{$prefix}offcanvas-title-line-height);
 }

 .offcanvas-body {
--- a/_sass/bootstrap/_pagination.scss
+++ b/_sass/bootstrap/_pagination.scss
@ -75,7 +75,7 @@
    margin-left: $pagination-margin-start;
  }

-  @if $pagination-margin-start == ($pagination-border-width * -1) {
+  @if $pagination-margin-start == calc(#{$pagination-border-width} * -1) {
    &:first-child {
      .page-link {
        @include border-start-radius(var(--#{$prefix}pagination-border-radius));
--- a/_sass/bootstrap/_progress.scss
+++ b/_sass/bootstrap/_progress.scss
@ -8,7 +8,8 @@
 }
 // scss-docs-end progress-keyframes

-.progress {
+.progress,
+.progress-stacked {
  // scss-docs-start progress-css-vars
  --#{$prefix}progress-height: #{$progress-height};
  @include rfs($progress-font-size, --#{$prefix}progress-font-size);
@ -46,6 +47,14 @@
  background-size: var(--#{$prefix}progress-height) var(--#{$prefix}progress-height);
 }

+.progress-stacked > .progress {
+  overflow: visible;
+}
+
+.progress-stacked > .progress > .progress-bar {
+  width: 100%;
+}
+
@if $enable-transitions {
  .progress-bar-animated {
    animation: $progress-bar-animation-timing progress-bar-stripes;
--- a/_sass/bootstrap/_reboot.scss
+++ b/_sass/bootstrap/_reboot.scss
@ -87,7 +87,7 @@ hr {
  font-style: $headings-font-style;
  font-weight: $headings-font-weight;
  line-height: $headings-line-height;
-  color: $headings-color;
+  color: var(--#{$prefix}heading-color);
 }

 h1 {
@ -241,11 +241,11 @@ sup { top: -.5em; }
 // Links

 a {
-  color: var(--#{$prefix}link-color);
+  color: rgba(var(--#{$prefix}link-color-rgb), var(--#{$prefix}link-opacity, 1));
  text-decoration: $link-decoration;

  &:hover {
-    color: var(--#{$prefix}link-hover-color);
+    --#{$prefix}link-color-rgb: var(--#{$prefix}link-hover-color-rgb);
    text-decoration: $link-hover-decoration;
  }
 }
--- a/_sass/bootstrap/_root.scss
+++ b/_sass/bootstrap/_root.scss
@ -1,4 +1,5 @@
-:root {
+:root,
+[data-bs-theme="light"] {
  // Note: Custom variable values only support SassScript inside `#{}`.

  // Colors
@ -21,10 +22,20 @@
    --#{$prefix}#{$color}-rgb: #{$value};
  }

+  @each $color, $value in $theme-colors-text {
+    --#{$prefix}#{$color}-text-emphasis: #{$value};
+  }
+
+  @each $color, $value in $theme-colors-bg-subtle {
+    --#{$prefix}#{$color}-bg-subtle: #{$value};
+  }
+
+  @each $color, $value in $theme-colors-border-subtle {
+    --#{$prefix}#{$color}-border-subtle: #{$value};
+  }
+
  --#{$prefix}white-rgb: #{to-rgb($white)};
  --#{$prefix}black-rgb: #{to-rgb($black)};
-  --#{$prefix}body-color-rgb: #{to-rgb($body-color)};
-  --#{$prefix}body-bg-rgb: #{to-rgb($body-bg)};

  // Fonts

@ -39,17 +50,49 @@
  @if $font-size-root != null {
    --#{$prefix}root-font-size: #{$font-size-root};
  }
-  --#{$prefix}body-font-family: #{$font-family-base};
+  --#{$prefix}body-font-family: #{inspect($font-family-base)};
  @include rfs($font-size-base, --#{$prefix}body-font-size);
  --#{$prefix}body-font-weight: #{$font-weight-base};
  --#{$prefix}body-line-height: #{$line-height-base};
-  --#{$prefix}body-color: #{$body-color};
  @if $body-text-align != null {
    --#{$prefix}body-text-align: #{$body-text-align};
  }
+
+  --#{$prefix}body-color: #{$body-color};
+  --#{$prefix}body-color-rgb: #{to-rgb($body-color)};
  --#{$prefix}body-bg: #{$body-bg};
+  --#{$prefix}body-bg-rgb: #{to-rgb($body-bg)};
+
+  --#{$prefix}emphasis-color: #{$body-emphasis-color};
+  --#{$prefix}emphasis-color-rgb: #{to-rgb($body-emphasis-color)};
+
+  --#{$prefix}secondary-color: #{$body-secondary-color};
+  --#{$prefix}secondary-color-rgb: #{to-rgb($body-secondary-color)};
+  --#{$prefix}secondary-bg: #{$body-secondary-bg};
+  --#{$prefix}secondary-bg-rgb: #{to-rgb($body-secondary-bg)};
+
+  --#{$prefix}tertiary-color: #{$body-tertiary-color};
+  --#{$prefix}tertiary-color-rgb: #{to-rgb($body-tertiary-color)};
+  --#{$prefix}tertiary-bg: #{$body-tertiary-bg};
+  --#{$prefix}tertiary-bg-rgb: #{to-rgb($body-tertiary-bg)};
  // scss-docs-end root-body-variables

+  --#{$prefix}heading-color: #{$headings-color};
+
+  --#{$prefix}link-color: #{$link-color};
+  --#{$prefix}link-color-rgb: #{to-rgb($link-color)};
+  --#{$prefix}link-decoration: #{$link-decoration};
+
+  --#{$prefix}link-hover-color: #{$link-hover-color};
+  --#{$prefix}link-hover-color-rgb: #{to-rgb($link-hover-color)};
+
+  @if $link-hover-decoration != null {
+    --#{$prefix}link-hover-decoration: #{$link-hover-decoration};
+  }
+
+  --#{$prefix}code-color: #{$code-color};
+  --#{$prefix}highlight-bg: #{$mark-bg};
+
  // scss-docs-start root-border-var
  --#{$prefix}border-width: #{$border-width};
  --#{$prefix}border-style: #{$border-style};
@ -60,14 +103,82 @@
  --#{$prefix}border-radius-sm: #{$border-radius-sm};
  --#{$prefix}border-radius-lg: #{$border-radius-lg};
  --#{$prefix}border-radius-xl: #{$border-radius-xl};
-  --#{$prefix}border-radius-2xl: #{$border-radius-2xl};
+  --#{$prefix}border-radius-xxl: #{$border-radius-xxl};
+  --#{$prefix}border-radius-2xl: var(--#{$prefix}border-radius-xxl); // Deprecated in v5.3.0 for consistency
  --#{$prefix}border-radius-pill: #{$border-radius-pill};
  // scss-docs-end root-border-var

-  --#{$prefix}link-color: #{$link-color};
-  --#{$prefix}link-hover-color: #{$link-hover-color};
+  --#{$prefix}box-shadow: #{$box-shadow};
+  --#{$prefix}box-shadow-sm: #{$box-shadow-sm};
+  --#{$prefix}box-shadow-lg: #{$box-shadow-lg};
+  --#{$prefix}box-shadow-inset: #{$box-shadow-inset};

-  --#{$prefix}code-color: #{$code-color};
+  // Focus styles
+  // scss-docs-start root-focus-variables
+  --#{$prefix}focus-ring-width: #{$focus-ring-width};
+  --#{$prefix}focus-ring-opacity: #{$focus-ring-opacity};
+  --#{$prefix}focus-ring-color: #{$focus-ring-color};
+  // scss-docs-end root-focus-variables

-  --#{$prefix}highlight-bg: #{$mark-bg};
+  // scss-docs-start root-form-validation-variables
+  --#{$prefix}form-valid-color: #{$form-valid-color};
+  --#{$prefix}form-valid-border-color: #{$form-valid-border-color};
+  --#{$prefix}form-invalid-color: #{$form-invalid-color};
+  --#{$prefix}form-invalid-border-color: #{$form-invalid-border-color};
+  // scss-docs-end root-form-validation-variables
+}
+
+@if $enable-dark-mode {
+  @include color-mode(dark, true) {
+    color-scheme: dark;
+
+    // scss-docs-start root-dark-mode-vars
+    --#{$prefix}body-color: #{$body-color-dark};
+    --#{$prefix}body-color-rgb: #{to-rgb($body-color-dark)};
+    --#{$prefix}body-bg: #{$body-bg-dark};
+    --#{$prefix}body-bg-rgb: #{to-rgb($body-bg-dark)};
+
+    --#{$prefix}emphasis-color: #{$body-emphasis-color-dark};
+    --#{$prefix}emphasis-color-rgb: #{to-rgb($body-emphasis-color-dark)};
+
+    --#{$prefix}secondary-color: #{$body-secondary-color-dark};
+    --#{$prefix}secondary-color-rgb: #{to-rgb($body-secondary-color-dark)};
+    --#{$prefix}secondary-bg: #{$body-secondary-bg-dark};
+    --#{$prefix}secondary-bg-rgb: #{to-rgb($body-secondary-bg-dark)};
+
+    --#{$prefix}tertiary-color: #{$body-tertiary-color-dark};
+    --#{$prefix}tertiary-color-rgb: #{to-rgb($body-tertiary-color-dark)};
+    --#{$prefix}tertiary-bg: #{$body-tertiary-bg-dark};
+    --#{$prefix}tertiary-bg-rgb: #{to-rgb($body-tertiary-bg-dark)};
+
+    @each $color, $value in $theme-colors-text-dark {
+      --#{$prefix}#{$color}-text-emphasis: #{$value};
+    }
+
+    @each $color, $value in $theme-colors-bg-subtle-dark {
+      --#{$prefix}#{$color}-bg-subtle: #{$value};
+    }
+
+    @each $color, $value in $theme-colors-border-subtle-dark {
+      --#{$prefix}#{$color}-border-subtle: #{$value};
+    }
+
+    --#{$prefix}heading-color: #{$headings-color-dark};
+
+    --#{$prefix}link-color: #{$link-color-dark};
+    --#{$prefix}link-hover-color: #{$link-hover-color-dark};
+    --#{$prefix}link-color-rgb: #{to-rgb($link-color-dark)};
+    --#{$prefix}link-hover-color-rgb: #{to-rgb($link-hover-color-dark)};
+
+    --#{$prefix}code-color: #{$code-color-dark};
+
+    --#{$prefix}border-color: #{$border-color-dark};
+    --#{$prefix}border-color-translucent: #{$border-color-translucent-dark};
+
+    --#{$prefix}form-valid-color: #{$form-valid-color-dark};
+    --#{$prefix}form-valid-border-color: #{$form-valid-border-color-dark};
+    --#{$prefix}form-invalid-color: #{$form-invalid-color-dark};
+    --#{$prefix}form-invalid-border-color: #{$form-invalid-border-color-dark};
+    // scss-docs-end root-dark-mode-vars
+  }
 }
--- a/_sass/bootstrap/_tables.scss
+++ b/_sass/bootstrap/_tables.scss
@ -3,6 +3,12 @@
 //

 .table {
+  // Reset needed for nesting tables
+  --#{$prefix}table-color-type: initial;
+  --#{$prefix}table-bg-type: initial;
+  --#{$prefix}table-color-state: initial;
+  --#{$prefix}table-bg-state: initial;
+  // End of reset
  --#{$prefix}table-color: #{$table-color};
  --#{$prefix}table-bg: #{$table-bg};
  --#{$prefix}table-border-color: #{$table-border-color};
@ -16,7 +22,6 @@

  width: 100%;
  margin-bottom: $spacer;
-  color: var(--#{$prefix}table-color);
  vertical-align: $table-cell-vertical-align;
  border-color: var(--#{$prefix}table-border-color);

@ -27,9 +32,11 @@
  // stylelint-disable-next-line selector-max-universal
  > :not(caption) > * > * {
    padding: $table-cell-padding-y $table-cell-padding-x;
+    // Following the precept of cascades: https://codepen.io/miriamsuzanne/full/vYNgodb
+    color: var(--#{$prefix}table-color-state, var(--#{$prefix}table-color-type, var(--#{$prefix}table-color)));
    background-color: var(--#{$prefix}table-bg);
    border-bottom-width: $table-border-width;
-    box-shadow: inset 0 0 0 9999px var(--#{$prefix}table-accent-bg);
+    box-shadow: inset 0 0 0 9999px var(--#{$prefix}table-bg-state, var(--#{$prefix}table-bg-type, var(--#{$prefix}table-accent-bg)));
  }

  > tbody {
@ -42,7 +49,7 @@
 }

 .table-group-divider {
-  border-top: ($table-border-width * 2) solid $table-group-separator-color;
+  border-top: calc(#{$table-border-width} * 2) solid $table-group-separator-color; // stylelint-disable-line function-disallowed-list
 }

 //
@ -104,16 +111,16 @@
 // For rows
 .table-striped {
  > tbody > tr:nth-of-type(#{$table-striped-order}) > * {
-    --#{$prefix}table-accent-bg: var(--#{$prefix}table-striped-bg);
-    color: var(--#{$prefix}table-striped-color);
+    --#{$prefix}table-color-type: var(--#{$prefix}table-striped-color);
+    --#{$prefix}table-bg-type: var(--#{$prefix}table-striped-bg);
  }
 }

 // For columns
 .table-striped-columns {
  > :not(caption) > tr > :nth-child(#{$table-striped-columns-order}) {
-    --#{$prefix}table-accent-bg: var(--#{$prefix}table-striped-bg);
-    color: var(--#{$prefix}table-striped-color);
+    --#{$prefix}table-color-type: var(--#{$prefix}table-striped-color);
+    --#{$prefix}table-bg-type: var(--#{$prefix}table-striped-bg);
  }
 }

@ -122,8 +129,8 @@
 // The `.table-active` class can be added to highlight rows or cells

 .table-active {
-  --#{$prefix}table-accent-bg: var(--#{$prefix}table-active-bg);
-  color: var(--#{$prefix}table-active-color);
+  --#{$prefix}table-color-state: var(--#{$prefix}table-active-color);
+  --#{$prefix}table-bg-state: var(--#{$prefix}table-active-bg);
 }

 // Hover effect
@ -132,8 +139,8 @@

 .table-hover {
  > tbody > tr:hover > * {
-    --#{$prefix}table-accent-bg: var(--#{$prefix}table-hover-bg);
-    color: var(--#{$prefix}table-hover-color);
+    --#{$prefix}table-color-state: var(--#{$prefix}table-hover-color);
+    --#{$prefix}table-bg-state: var(--#{$prefix}table-hover-bg);
  }
 }

--- a/_sass/bootstrap/_tooltip.scss
+++ b/_sass/bootstrap/_tooltip.scss
@ -17,7 +17,6 @@

  z-index: var(--#{$prefix}tooltip-zindex);
  display: block;
-  padding: var(--#{$prefix}tooltip-arrow-height);
  margin: var(--#{$prefix}tooltip-margin);
  @include deprecate("`$tooltip-margin`", "v5", "v5.x", true);
  // Our parent element can be arbitrary since tooltips are by default inserted as a sibling of their target element.
@ -45,7 +44,7 @@
 }

 .bs-tooltip-top .tooltip-arrow {
-  bottom: 0;
+  bottom: calc(-1 * var(--#{$prefix}tooltip-arrow-height)); // stylelint-disable-line function-disallowed-list

  &::before {
    top: -1px;
@ -56,7 +55,7 @@

 /* rtl:begin:ignore */
 .bs-tooltip-end .tooltip-arrow {
-  left: 0;
+  left: calc(-1 * var(--#{$prefix}tooltip-arrow-height)); // stylelint-disable-line function-disallowed-list
  width: var(--#{$prefix}tooltip-arrow-height);
  height: var(--#{$prefix}tooltip-arrow-width);

@ -70,7 +69,7 @@
 /* rtl:end:ignore */

 .bs-tooltip-bottom .tooltip-arrow {
-  top: 0;
+  top: calc(-1 * var(--#{$prefix}tooltip-arrow-height)); // stylelint-disable-line function-disallowed-list

  &::before {
    bottom: -1px;
@ -81,7 +80,7 @@

 /* rtl:begin:ignore */
 .bs-tooltip-start .tooltip-arrow {
-  right: 0;
+  right: calc(-1 * var(--#{$prefix}tooltip-arrow-height)); // stylelint-disable-line function-disallowed-list
  width: var(--#{$prefix}tooltip-arrow-height);
  height: var(--#{$prefix}tooltip-arrow-width);

--- a/_sass/bootstrap/_utilities.scss
+++ b/_sass/bootstrap/_utilities.scss
@ -22,6 +22,20 @@ $utilities: map-merge(
      )
    ),
    // scss-docs-end utils-float
+    // Object Fit utilities
+    // scss-docs-start utils-object-fit
+    "object-fit": (
+      responsive: true,
+      property: object-fit,
+      values: (
+        contain: contain,
+        cover: cover,
+        fill: fill,
+        scale: scale-down,
+        none: none,
+      )
+    ),
+    // scss-docs-end utils-object-fit
    // Opacity utilities
    // scss-docs-start utils-opacity
    "opacity": (
@ -40,6 +54,14 @@ $utilities: map-merge(
      property: overflow,
      values: auto hidden visible scroll,
    ),
+    "overflow-x": (
+      property: overflow-x,
+      values: auto hidden visible scroll,
+    ),
+    "overflow-y": (
+      property: overflow-y,
+      values: auto hidden visible scroll,
+    ),
    // scss-docs-end utils-overflow
    // scss-docs-start utils-display
    "display": (
@ -47,7 +69,7 @@ $utilities: map-merge(
      print: true,
      property: display,
      class: d,
-      values: inline inline-block block grid table table-row table-cell flex inline-flex none
+      values: inline inline-block block grid inline-grid table table-row table-cell flex inline-flex none
    ),
    // scss-docs-end utils-display
    // scss-docs-start utils-shadow
@ -62,6 +84,14 @@ $utilities: map-merge(
      )
    ),
    // scss-docs-end utils-shadow
+    // scss-docs-start utils-focus-ring
+    "focus-ring": (
+      css-var: true,
+      css-variable-name: focus-ring-color,
+      class: focus-ring,
+      values: map-loop($theme-colors-rgb, rgba-css-var, "$key", "focus-ring")
+    ),
+    // scss-docs-end utils-focus-ring
    // scss-docs-start utils-position
    "position": (
      property: position,
@ -141,9 +171,13 @@ $utilities: map-merge(
      ),
      values: $utilities-border-colors
    ),
+    "subtle-border-color": (
+      property: border-color,
+      class: border,
+      values: $utilities-border-subtle
+    ),
    "border-width": (
-      css-var: true,
-      css-variable-name: border-width,
+      property: border-width,
      class: border,
      values: $border-widths
    ),
@ -450,6 +484,18 @@ $utilities: map-merge(
      class: gap,
      values: $spacers
    ),
+    "row-gap": (
+      responsive: true,
+      property: row-gap,
+      class: row-gap,
+      values: $spacers
+    ),
+    "column-gap": (
+      responsive: true,
+      property: column-gap,
+      class: column-gap,
+      values: $spacers
+    ),
    // scss-docs-end utils-spacing
    // Text
    // scss-docs-start utils-text
@ -473,11 +519,12 @@ $utilities: map-merge(
      property: font-weight,
      class: fw,
      values: (
-        light: $font-weight-light,
        lighter: $font-weight-lighter,
+        light: $font-weight-light,
        normal: $font-weight-normal,
-        bold: $font-weight-bold,
+        medium: $font-weight-medium,
        semibold: $font-weight-semibold,
+        bold: $font-weight-bold,
        bolder: $font-weight-bolder
      )
    ),
@ -535,9 +582,12 @@ $utilities: map-merge(
      values: map-merge(
        $utilities-text-colors,
        (
-          "muted": $text-muted,
+          "muted": var(--#{$prefix}secondary-color), // deprecated
          "black-50": rgba($black, .5), // deprecated
          "white-50": rgba($white, .5), // deprecated
+          "body-secondary": var(--#{$prefix}secondary-color),
+          "body-tertiary": var(--#{$prefix}tertiary-color),
+          "body-emphasis": var(--#{$prefix}emphasis-color),
          "reset": inherit,
        )
      )
@ -552,7 +602,62 @@ $utilities: map-merge(
        100: 1
      )
    ),
+    "text-color": (
+      property: color,
+      class: text,
+      values: $utilities-text-emphasis-colors
+    ),
    // scss-docs-end utils-color
+    // scss-docs-start utils-links
+    "link-opacity": (
+      css-var: true,
+      class: link-opacity,
+      state: hover,
+      values: (
+        10: .1,
+        25: .25,
+        50: .5,
+        75: .75,
+        100: 1
+      )
+    ),
+    "link-offset": (
+      property: text-underline-offset,
+      class: link-offset,
+      state: hover,
+      values: (
+        1: .125em,
+        2: .25em,
+        3: .375em,
+      )
+    ),
+    "link-underline": (
+      property: text-decoration-color,
+      class: link-underline,
+      local-vars: (
+        "link-underline-opacity": 1
+      ),
+      values: map-merge(
+        $utilities-links-underline,
+        (
+          null: rgba(var(--#{$prefix}link-color-rgb), var(--#{$prefix}link-underline-opacity, 1)),
+        )
+      )
+    ),
+    "link-underline-opacity": (
+      css-var: true,
+      class: link-underline-opacity,
+      state: hover,
+      values: (
+        0: 0,
+        10: .1,
+        25: .25,
+        50: .5,
+        75: .75,
+        100: 1
+      ),
+    ),
+    // scss-docs-end utils-links
    // scss-docs-start utils-bg-color
    "background-color": (
      property: background-color,
@ -563,7 +668,9 @@ $utilities: map-merge(
      values: map-merge(
        $utilities-bg-colors,
        (
-          "transparent": transparent
+          "transparent": transparent,
+          "body-secondary": rgba(var(--#{$prefix}secondary-bg-rgb), var(--#{$prefix}bg-opacity)),
+          "body-tertiary": rgba(var(--#{$prefix}tertiary-bg-rgb), var(--#{$prefix}bg-opacity)),
        )
      )
    ),
@ -578,6 +685,11 @@ $utilities: map-merge(
        100: 1
      )
    ),
+    "subtle-background-color": (
+      property: background-color,
+      class: bg,
+      values: $utilities-bg-subtle
+    ),
    // scss-docs-end utils-bg-color
    "gradient": (
      property: background-image,
@ -606,7 +718,7 @@ $utilities: map-merge(
        2: var(--#{$prefix}border-radius),
        3: var(--#{$prefix}border-radius-lg),
        4: var(--#{$prefix}border-radius-xl),
-        5: var(--#{$prefix}border-radius-2xl),
+        5: var(--#{$prefix}border-radius-xxl),
        circle: 50%,
        pill: var(--#{$prefix}border-radius-pill)
      )
@ -614,22 +726,62 @@ $utilities: map-merge(
    "rounded-top": (
      property: border-top-left-radius border-top-right-radius,
      class: rounded-top,
-      values: (null: var(--#{$prefix}border-radius))
+      values: (
+        null: var(--#{$prefix}border-radius),
+        0: 0,
+        1: var(--#{$prefix}border-radius-sm),
+        2: var(--#{$prefix}border-radius),
+        3: var(--#{$prefix}border-radius-lg),
+        4: var(--#{$prefix}border-radius-xl),
+        5: var(--#{$prefix}border-radius-xxl),
+        circle: 50%,
+        pill: var(--#{$prefix}border-radius-pill)
+      )
    ),
    "rounded-end": (
      property: border-top-right-radius border-bottom-right-radius,
      class: rounded-end,
-      values: (null: var(--#{$prefix}border-radius))
+      values: (
+        null: var(--#{$prefix}border-radius),
+        0: 0,
+        1: var(--#{$prefix}border-radius-sm),
+        2: var(--#{$prefix}border-radius),
+        3: var(--#{$prefix}border-radius-lg),
+        4: var(--#{$prefix}border-radius-xl),
+        5: var(--#{$prefix}border-radius-xxl),
+        circle: 50%,
+        pill: var(--#{$prefix}border-radius-pill)
+      )
    ),
    "rounded-bottom": (
      property: border-bottom-right-radius border-bottom-left-radius,
      class: rounded-bottom,
-      values: (null: var(--#{$prefix}border-radius))
+      values: (
+        null: var(--#{$prefix}border-radius),
+        0: 0,
+        1: var(--#{$prefix}border-radius-sm),
+        2: var(--#{$prefix}border-radius),
+        3: var(--#{$prefix}border-radius-lg),
+        4: var(--#{$prefix}border-radius-xl),
+        5: var(--#{$prefix}border-radius-xxl),
+        circle: 50%,
+        pill: var(--#{$prefix}border-radius-pill)
+      )
    ),
    "rounded-start": (
      property: border-bottom-left-radius border-top-left-radius,
      class: rounded-start,
-      values: (null: var(--#{$prefix}border-radius))
+      values: (
+        null: var(--#{$prefix}border-radius),
+        0: 0,
+        1: var(--#{$prefix}border-radius-sm),
+        2: var(--#{$prefix}border-radius),
+        3: var(--#{$prefix}border-radius-lg),
+        4: var(--#{$prefix}border-radius-xl),
+        5: var(--#{$prefix}border-radius-xxl),
+        circle: 50%,
+        pill: var(--#{$prefix}border-radius-pill)
+      )
    ),
    // scss-docs-end utils-border-radius
    // scss-docs-start utils-visibility
@ -640,8 +792,15 @@ $utilities: map-merge(
        visible: visible,
        invisible: hidden,
      )
-    )
+    ),
    // scss-docs-end utils-visibility
+    // scss-docs-start utils-zindex
+    "z-index": (
+      property: z-index,
+      class: z,
+      values: $zindex-levels,
+    )
+    // scss-docs-end utils-zindex
  ),
  $utilities
 );
--- a/_sass/bootstrap/_variables-dark.scss
+++ b/_sass/bootstrap/_variables-dark.scss
@ -0,0 +1,85 @@
+// Dark color mode variables
+//
+// Custom variables for the `[data-bs-theme="dark"]` theme. Use this as a starting point for your own custom color modes by creating a new theme-specific file like `_variables-dark.scss` and adding the variables you need.
+
+//
+// Global colors
+//
+
+// scss-docs-start sass-dark-mode-vars
+// scss-docs-start theme-text-dark-variables
+$primary-text-emphasis-dark:        tint-color($primary, 40%) !default;
+$secondary-text-emphasis-dark:      tint-color($secondary, 40%) !default;
+$success-text-emphasis-dark:        tint-color($success, 40%) !default;
+$info-text-emphasis-dark:           tint-color($info, 40%) !default;
+$warning-text-emphasis-dark:        tint-color($warning, 40%) !default;
+$danger-text-emphasis-dark:         tint-color($danger, 40%) !default;
+$light-text-emphasis-dark:          $gray-100 !default;
+$dark-text-emphasis-dark:           $gray-300 !default;
+// scss-docs-end theme-text-dark-variables
+
+// scss-docs-start theme-bg-subtle-dark-variables
+$primary-bg-subtle-dark:            shade-color($primary, 80%) !default;
+$secondary-bg-subtle-dark:          shade-color($secondary, 80%) !default;
+$success-bg-subtle-dark:            shade-color($success, 80%) !default;
+$info-bg-subtle-dark:               shade-color($info, 80%) !default;
+$warning-bg-subtle-dark:            shade-color($warning, 80%) !default;
+$danger-bg-subtle-dark:             shade-color($danger, 80%) !default;
+$light-bg-subtle-dark:              $gray-800 !default;
+$dark-bg-subtle-dark:               mix($gray-800, $black) !default;
+// scss-docs-end theme-bg-subtle-dark-variables
+
+// scss-docs-start theme-border-subtle-dark-variables
+$primary-border-subtle-dark:        shade-color($primary, 40%) !default;
+$secondary-border-subtle-dark:      shade-color($secondary, 40%) !default;
+$success-border-subtle-dark:        shade-color($success, 40%) !default;
+$info-border-subtle-dark:           shade-color($info, 40%) !default;
+$warning-border-subtle-dark:        shade-color($warning, 40%) !default;
+$danger-border-subtle-dark:         shade-color($danger, 40%) !default;
+$light-border-subtle-dark:          $gray-700 !default;
+$dark-border-subtle-dark:           $gray-800 !default;
+// scss-docs-end theme-border-subtle-dark-variables
+
+$body-color-dark:                   $gray-500 !default;
+$body-bg-dark:                      $gray-900 !default;
+$body-secondary-color-dark:         rgba($body-color-dark, .75) !default;
+$body-secondary-bg-dark:            $gray-800 !default;
+$body-tertiary-color-dark:          rgba($body-color-dark, .5) !default;
+$body-tertiary-bg-dark:             mix($gray-800, $gray-900, 50%) !default;
+$body-emphasis-color-dark:          $white !default;
+$border-color-dark:                 $gray-700 !default;
+$border-color-translucent-dark:     rgba($white, .15) !default;
+$headings-color-dark:               inherit !default;
+$link-color-dark:                   tint-color($primary, 40%) !default;
+$link-hover-color-dark:             shift-color($link-color-dark, -$link-shade-percentage) !default;
+$code-color-dark:                   tint-color($code-color, 40%) !default;
+
+
+//
+// Forms
+//
+
+$form-select-indicator-color-dark:  $body-color-dark !default;
+$form-select-indicator-dark:        url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'><path fill='none' stroke='#{$form-select-indicator-color-dark}' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/></svg>") !default;
+
+$form-switch-color-dark:            rgba($white, .25) !default;
+$form-switch-bg-image-dark:         url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'><circle r='3' fill='#{$form-switch-color-dark}'/></svg>") !default;
+
+// scss-docs-start form-validation-colors-dark
+$form-valid-color-dark:             $green-300 !default;
+$form-valid-border-color-dark:      $green-300 !default;
+$form-invalid-color-dark:           $red-300 !default;
+$form-invalid-border-color-dark:    $red-300 !default;
+// scss-docs-end form-validation-colors-dark
+
+
+//
+// Accordion
+//
+
+$accordion-icon-color-dark:         $primary-text-emphasis-dark !default;
+$accordion-icon-active-color-dark:  $primary-text-emphasis-dark !default;
+
+$accordion-button-icon-dark:         url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='#{$accordion-icon-color-dark}'><path fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/></svg>") !default;
+$accordion-button-active-icon-dark:  url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='#{$accordion-icon-active-color-dark}'><path fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/></svg>") !default;
+// scss-docs-end sass-dark-mode-vars
--- a/_sass/bootstrap/_variables.scss
+++ b/_sass/bootstrap/_variables.scss
@ -321,6 +321,39 @@ $theme-colors: (
 ) !default;
 // scss-docs-end theme-colors-map

+// scss-docs-start theme-text-variables
+$primary-text-emphasis:   shade-color($primary, 60%) !default;
+$secondary-text-emphasis: shade-color($secondary, 60%) !default;
+$success-text-emphasis:   shade-color($success, 60%) !default;
+$info-text-emphasis:      shade-color($info, 60%) !default;
+$warning-text-emphasis:   shade-color($warning, 60%) !default;
+$danger-text-emphasis:    shade-color($danger, 60%) !default;
+$light-text-emphasis:     $gray-700 !default;
+$dark-text-emphasis:      $gray-700 !default;
+// scss-docs-end theme-text-variables
+
+// scss-docs-start theme-bg-subtle-variables
+$primary-bg-subtle:       tint-color($primary, 80%) !default;
+$secondary-bg-subtle:     tint-color($secondary, 80%) !default;
+$success-bg-subtle:       tint-color($success, 80%) !default;
+$info-bg-subtle:          tint-color($info, 80%) !default;
+$warning-bg-subtle:       tint-color($warning, 80%) !default;
+$danger-bg-subtle:        tint-color($danger, 80%) !default;
+$light-bg-subtle:         mix($gray-100, $white) !default;
+$dark-bg-subtle:          $gray-400 !default;
+// scss-docs-end theme-bg-subtle-variables
+
+// scss-docs-start theme-border-subtle-variables
+$primary-border-subtle:   tint-color($primary, 60%) !default;
+$secondary-border-subtle: tint-color($secondary, 60%) !default;
+$success-border-subtle:   tint-color($success, 60%) !default;
+$info-border-subtle:      tint-color($info, 60%) !default;
+$warning-border-subtle:   tint-color($warning, 60%) !default;
+$danger-border-subtle:    tint-color($danger, 60%) !default;
+$light-border-subtle:     $gray-200 !default;
+$dark-border-subtle:      $gray-500 !default;
+// scss-docs-end theme-border-subtle-variables
+
 // Characters which are escaped by the escape-svg function
 $escaped-characters: (
  ("<", "%3c"),
@ -351,6 +384,9 @@ $enable-negative-margins:     false !default;
 $enable-deprecation-messages: true !default;
 $enable-important-utilities:  true !default;

+$enable-dark-mode:            true !default;
+$color-mode-type:             data !default; // `data` or `media-query`
+
 // Prefix for :root CSS variables

 $variable-prefix:             bs- !default; // Deprecated in v5.2.0 for the shorter `$prefix`
@ -398,9 +434,17 @@ $position-values: (
 //
 // Settings for the `<body>` element.

-$body-bg:                   $white !default;
-$body-color:                $gray-900 !default;
 $body-text-align:           null !default;
+$body-color:                $gray-900 !default;
+$body-bg:                   $white !default;
+
+$body-secondary-color:      rgba($body-color, .75) !default;
+$body-secondary-bg:         $gray-200 !default;
+
+$body-tertiary-color:       rgba($body-color, .5) !default;
+$body-tertiary-bg:          $gray-100 !default;
+
+$body-emphasis-color:       $black !default;

 // Links
 //
@ -415,6 +459,15 @@ $link-hover-decoration:                   null !default;
 $stretched-link-pseudo-element:           after !default;
 $stretched-link-z-index:                  1 !default;

+// Icon links
+// scss-docs-start icon-link-variables
+$icon-link-gap:               .375rem !default;
+$icon-link-underline-offset:  .25em !default;
+$icon-link-icon-size:         1em !default;
+$icon-link-icon-transition:   .2s ease-in-out transform !default;
+$icon-link-icon-transform:    translate3d(.25em, 0, 0) !default;
+// scss-docs-end icon-link-variables
+
 // Paragraphs
 //
 // Style p element.
@ -485,7 +538,6 @@ $border-widths: (
  4: 4px,
  5: 5px
 ) !default;
-
 $border-style:                solid !default;
 $border-color:                $gray-300 !default;
 $border-color-translucent:    rgba($black, .175) !default;
@ -496,9 +548,12 @@ $border-radius:               .375rem !default;
 $border-radius-sm:            .25rem !default;
 $border-radius-lg:            .5rem !default;
 $border-radius-xl:            1rem !default;
-$border-radius-2xl:           2rem !default;
+$border-radius-xxl:           2rem !default;
 $border-radius-pill:          50rem !default;
 // scss-docs-end border-radius-variables
+// fusv-disable
+$border-radius-2xl:           $border-radius-xxl !default; // Deprecated in v5.3.0
+// fusv-enable

 // scss-docs-start box-shadow-variables
 $box-shadow:                  0 .5rem 1rem rgba($black, .15) !default;
@ -510,6 +565,14 @@ $box-shadow-inset:            inset 0 1px 2px rgba($black, .075) !default;
 $component-active-color:      $white !default;
 $component-active-bg:         $primary !default;

+// scss-docs-start focus-ring-variables
+$focus-ring-width:      .25rem !default;
+$focus-ring-opacity:    .25 !default;
+$focus-ring-color:      rgba($primary, $focus-ring-opacity) !default;
+$focus-ring-blur:       0 !default;
+$focus-ring-box-shadow: 0 0 $focus-ring-blur $focus-ring-width $focus-ring-color !default;
+// scss-docs-end focus-ring-variables
+
 // scss-docs-start caret-variables
 $caret-width:                 .3em !default;
 $caret-vertical-align:        $caret-width * .85 !default;
@ -556,6 +619,7 @@ $font-size-lg:                $font-size-base * 1.25 !default;
 $font-weight-lighter:         lighter !default;
 $font-weight-light:           300 !default;
 $font-weight-normal:          400 !default;
+$font-weight-medium:          500 !default;
 $font-weight-semibold:        600 !default;
 $font-weight-bold:            700 !default;
 $font-weight-bolder:          bolder !default;
@ -591,7 +655,7 @@ $headings-font-family:        null !default;
 $headings-font-style:         null !default;
 $headings-font-weight:        500 !default;
 $headings-line-height:        1.2 !default;
-$headings-color:              null !default;
+$headings-color:              inherit !default;
 // scss-docs-end headings-variables

 // scss-docs-start display-headings
@ -618,7 +682,9 @@ $small-font-size:             .875em !default;

 $sub-sup-font-size:           .75em !default;

-$text-muted:                  $gray-600 !default;
+// fusv-disable
+$text-muted:                  var(--#{$prefix}secondary-color) !default; // Deprecated in 5.3.0
+// fusv-enable

 $initialism-font-size:        $small-font-size !default;

@ -636,7 +702,7 @@ $hr-height:                   null !default; // Deprecated in v5.2.0
 // fusv-enable

 $hr-border-color:             null !default; // Allows for inherited colors
-$hr-border-width:             $border-width !default;
+$hr-border-width:             var(--#{$prefix}border-width) !default;
 $hr-opacity:                  .25 !default;

 $legend-margin-bottom:        .5rem !default;
@ -665,7 +731,7 @@ $table-cell-padding-x-sm:     .25rem !default;
 $table-cell-vertical-align:   top !default;

 $table-color:                 var(--#{$prefix}body-color) !default;
-$table-bg:                    transparent !default;
+$table-bg:                    var(--#{$prefix}body-bg) !default;
 $table-accent-bg:             transparent !default;

 $table-th-font-weight:        null !default;
@ -683,7 +749,7 @@ $table-hover-bg-factor:       .075 !default;
 $table-hover-bg:              rgba($black, $table-hover-bg-factor) !default;

 $table-border-factor:         .1 !default;
-$table-border-width:          $border-width !default;
+$table-border-width:          var(--#{$prefix}border-width) !default;
 $table-border-color:          var(--#{$prefix}border-color) !default;

 $table-striped-order:         odd !default;
@ -691,7 +757,7 @@ $table-striped-columns-order: even !default;

 $table-group-separator-color: currentcolor !default;

-$table-caption-color:         $text-muted !default;
+$table-caption-color:         var(--#{$prefix}secondary-color) !default;

 $table-bg-scale:              -80% !default;
 // scss-docs-end table-variables
@ -721,11 +787,11 @@ $input-btn-font-family:       null !default;
 $input-btn-font-size:         $font-size-base !default;
 $input-btn-line-height:       $line-height-base !default;

-$input-btn-focus-width:         .25rem !default;
-$input-btn-focus-color-opacity: .25 !default;
-$input-btn-focus-color:         rgba($component-active-bg, $input-btn-focus-color-opacity) !default;
-$input-btn-focus-blur:          0 !default;
-$input-btn-focus-box-shadow:    0 0 $input-btn-focus-blur $input-btn-focus-width $input-btn-focus-color !default;
+$input-btn-focus-width:         $focus-ring-width !default;
+$input-btn-focus-color-opacity: $focus-ring-opacity !default;
+$input-btn-focus-color:         $focus-ring-color !default;
+$input-btn-focus-blur:          $focus-ring-blur !default;
+$input-btn-focus-box-shadow:    $focus-ring-box-shadow !default;

 $input-btn-padding-y-sm:      .25rem !default;
 $input-btn-padding-x-sm:      .5rem !default;
@ -735,7 +801,7 @@ $input-btn-padding-y-lg:      .5rem !default;
 $input-btn-padding-x-lg:      1rem !default;
 $input-btn-font-size-lg:      $font-size-lg !default;

-$input-btn-border-width:      $border-width !default;
+$input-btn-border-width:      var(--#{$prefix}border-width) !default;
 // scss-docs-end input-btn-variables


@ -744,6 +810,7 @@ $input-btn-border-width:      $border-width !default;
 // For each of Bootstrap's buttons, define text, background, and border color.

 // scss-docs-start btn-variables
+$btn-color:                   var(--#{$prefix}body-color) !default;
 $btn-padding-y:               $input-btn-padding-y !default;
 $btn-padding-x:               $input-btn-padding-x !default;
 $btn-font-family:             $input-btn-font-family !default;
@ -773,9 +840,9 @@ $btn-link-hover-color:        var(--#{$prefix}link-hover-color) !default;
 $btn-link-disabled-color:     $gray-600 !default;

 // Allows for customizing button radius independently from global border radius
-$btn-border-radius:           $border-radius !default;
-$btn-border-radius-sm:        $border-radius-sm !default;
-$btn-border-radius-lg:        $border-radius-lg !default;
+$btn-border-radius:           var(--#{$prefix}border-radius) !default;
+$btn-border-radius-sm:        var(--#{$prefix}border-radius-sm) !default;
+$btn-border-radius-lg:        var(--#{$prefix}border-radius-lg) !default;

 $btn-transition:              color .15s ease-in-out, background-color .15s ease-in-out, border-color .15s ease-in-out, box-shadow .15s ease-in-out !default;

@ -797,7 +864,7 @@ $form-text-margin-top:                  .25rem !default;
 $form-text-font-size:                   $small-font-size !default;
 $form-text-font-style:                  null !default;
 $form-text-font-weight:                 null !default;
-$form-text-color:                       $text-muted !default;
+$form-text-color:                       var(--#{$prefix}secondary-color) !default;
 // scss-docs-end form-text-variables

 // scss-docs-start form-label-variables
@ -824,19 +891,19 @@ $input-padding-y-lg:                    $input-btn-padding-y-lg !default;
 $input-padding-x-lg:                    $input-btn-padding-x-lg !default;
 $input-font-size-lg:                    $input-btn-font-size-lg !default;

-$input-bg:                              $body-bg !default;
+$input-bg:                              var(--#{$prefix}body-bg) !default;
 $input-disabled-color:                  null !default;
-$input-disabled-bg:                     $gray-200 !default;
+$input-disabled-bg:                     var(--#{$prefix}secondary-bg) !default;
 $input-disabled-border-color:           null !default;

-$input-color:                           $body-color !default;
-$input-border-color:                    $gray-400 !default;
+$input-color:                           var(--#{$prefix}body-color) !default;
+$input-border-color:                    var(--#{$prefix}border-color) !default;
 $input-border-width:                    $input-btn-border-width !default;
 $input-box-shadow:                      $box-shadow-inset !default;

-$input-border-radius:                   $border-radius !default;
-$input-border-radius-sm:                $border-radius-sm !default;
-$input-border-radius-lg:                $border-radius-lg !default;
+$input-border-radius:                   var(--#{$prefix}border-radius) !default;
+$input-border-radius-sm:                var(--#{$prefix}border-radius-sm) !default;
+$input-border-radius-lg:                var(--#{$prefix}border-radius-lg) !default;

 $input-focus-bg:                        $input-bg !default;
 $input-focus-border-color:              tint-color($component-active-bg, 50%) !default;
@ -844,10 +911,10 @@ $input-focus-color:                     $input-color !default;
 $input-focus-width:                     $input-btn-focus-width !default;
 $input-focus-box-shadow:                $input-btn-focus-box-shadow !default;

-$input-placeholder-color:               $gray-600 !default;
-$input-plaintext-color:                 $body-color !default;
+$input-placeholder-color:               var(--#{$prefix}secondary-color) !default;
+$input-plaintext-color:                 var(--#{$prefix}body-color) !default;

-$input-height-border:                   $input-border-width * 2 !default;
+$input-height-border:                   calc(#{$input-border-width} * 2) !default; // stylelint-disable-line function-disallowed-list

 $input-height-inner:                    add($input-line-height * 1em, $input-padding-y * 2) !default;
 $input-height-inner-half:               add($input-line-height * .5em, $input-padding-y) !default;
@ -874,11 +941,11 @@ $form-check-transition:                   null !default;
 $form-check-input-active-filter:          brightness(90%) !default;

 $form-check-input-bg:                     $input-bg !default;
-$form-check-input-border:                 1px solid rgba($black, .25) !default;
+$form-check-input-border:                 var(--#{$prefix}border-width) solid var(--#{$prefix}border-color) !default;
 $form-check-input-border-radius:          .25em !default;
 $form-check-radio-border-radius:          50% !default;
 $form-check-input-focus-border:           $input-focus-border-color !default;
-$form-check-input-focus-box-shadow:       $input-btn-focus-box-shadow !default;
+$form-check-input-focus-box-shadow:       $focus-ring-box-shadow !default;

 $form-check-input-checked-color:          $component-active-color !default;
 $form-check-input-checked-bg-color:       $component-active-bg !default;
@ -919,7 +986,7 @@ $input-group-addon-padding-y:           $input-padding-y !default;
 $input-group-addon-padding-x:           $input-padding-x !default;
 $input-group-addon-font-weight:         $input-font-weight !default;
 $input-group-addon-color:               $input-color !default;
-$input-group-addon-bg:                  $gray-200 !default;
+$input-group-addon-bg:                  var(--#{$prefix}tertiary-bg) !default;
 $input-group-addon-border-color:        $input-border-color !default;
 // scss-docs-end input-group-variables

@ -934,7 +1001,7 @@ $form-select-line-height:           $input-line-height !default;
 $form-select-color:                 $input-color !default;
 $form-select-bg:                    $input-bg !default;
 $form-select-disabled-color:        null !default;
-$form-select-disabled-bg:           $gray-200 !default;
+$form-select-disabled-bg:           $input-disabled-bg !default;
 $form-select-disabled-border-color: $input-disabled-border-color !default;
 $form-select-bg-position:           right $form-select-padding-x center !default;
 $form-select-bg-size:               16px 12px !default; // In pixels because image dimensions
@ -971,7 +1038,7 @@ $form-select-transition:          $input-transition !default;
 $form-range-track-width:          100% !default;
 $form-range-track-height:         .5rem !default;
 $form-range-track-cursor:         pointer !default;
-$form-range-track-bg:             $gray-300 !default;
+$form-range-track-bg:             var(--#{$prefix}tertiary-bg) !default;
 $form-range-track-border-radius:  1rem !default;
 $form-range-track-box-shadow:     $box-shadow-inset !default;

@ -984,26 +1051,28 @@ $form-range-thumb-box-shadow:              0 .1rem .25rem rgba($black, .1) !defa
 $form-range-thumb-focus-box-shadow:        0 0 0 1px $body-bg, $input-focus-box-shadow !default;
 $form-range-thumb-focus-box-shadow-width:  $input-focus-width !default; // For focus box shadow issue in Edge
 $form-range-thumb-active-bg:               tint-color($component-active-bg, 70%) !default;
-$form-range-thumb-disabled-bg:             $gray-500 !default;
+$form-range-thumb-disabled-bg:             var(--#{$prefix}secondary-color) !default;
 $form-range-thumb-transition:              background-color .15s ease-in-out, border-color .15s ease-in-out, box-shadow .15s ease-in-out !default;
 // scss-docs-end form-range-variables

 // scss-docs-start form-file-variables
 $form-file-button-color:          $input-color !default;
-$form-file-button-bg:             $input-group-addon-bg !default;
-$form-file-button-hover-bg:       shade-color($form-file-button-bg, 5%) !default;
+$form-file-button-bg:             var(--#{$prefix}tertiary-bg) !default;
+$form-file-button-hover-bg:       var(--#{$prefix}secondary-bg) !default;
 // scss-docs-end form-file-variables

 // scss-docs-start form-floating-variables
-$form-floating-height:            add(3.5rem, $input-height-border) !default;
-$form-floating-line-height:       1.25 !default;
-$form-floating-padding-x:         $input-padding-x !default;
-$form-floating-padding-y:         1rem !default;
-$form-floating-input-padding-t:   1.625rem !default;
-$form-floating-input-padding-b:   .625rem !default;
-$form-floating-label-opacity:     .65 !default;
-$form-floating-label-transform:   scale(.85) translateY(-.5rem) translateX(.15rem) !default;
-$form-floating-transition:        opacity .1s ease-in-out, transform .1s ease-in-out !default;
+$form-floating-height:                  add(3.5rem, $input-height-border) !default;
+$form-floating-line-height:             1.25 !default;
+$form-floating-padding-x:               $input-padding-x !default;
+$form-floating-padding-y:               1rem !default;
+$form-floating-input-padding-t:         1.625rem !default;
+$form-floating-input-padding-b:         .625rem !default;
+$form-floating-label-height:            1.5em !default;
+$form-floating-label-opacity:           .65 !default;
+$form-floating-label-transform:         scale(.85) translateY(-.5rem) translateX(.15rem) !default;
+$form-floating-label-disabled-color:    $gray-600 !default;
+$form-floating-transition:              opacity .1s ease-in-out, transform .1s ease-in-out !default;
 // scss-docs-end form-floating-variables

 // Form validation
@ -1021,15 +1090,30 @@ $form-feedback-icon-invalid-color:  $form-feedback-invalid-color !default;
 $form-feedback-icon-invalid:        url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' width='12' height='12' fill='none' stroke='#{$form-feedback-icon-invalid-color}'><circle cx='6' cy='6' r='4.5'/><path stroke-linejoin='round' d='M5.8 3.6h.4L6 6.5z'/><circle cx='6' cy='8.2' r='.6' fill='#{$form-feedback-icon-invalid-color}' stroke='none'/></svg>") !default;
 // scss-docs-end form-feedback-variables

+// scss-docs-start form-validation-colors
+$form-valid-color:                  $form-feedback-valid-color !default;
+$form-valid-border-color:           $form-feedback-valid-color !default;
+$form-invalid-color:                $form-feedback-invalid-color !default;
+$form-invalid-border-color:         $form-feedback-invalid-color !default;
+// scss-docs-end form-validation-colors
+
 // scss-docs-start form-validation-states
 $form-validation-states: (
  "valid": (
-    "color": $form-feedback-valid-color,
-    "icon": $form-feedback-icon-valid
+    "color": var(--#{$prefix}form-valid-color),
+    "icon": $form-feedback-icon-valid,
+    "tooltip-color": #fff,
+    "tooltip-bg-color": var(--#{$prefix}success),
+    "focus-box-shadow": 0 0 $input-btn-focus-blur $input-focus-width rgba(var(--#{$prefix}success-rgb), $input-btn-focus-color-opacity),
+    "border-color": var(--#{$prefix}form-valid-border-color),
  ),
  "invalid": (
-    "color": $form-feedback-invalid-color,
-    "icon": $form-feedback-icon-invalid
+    "color": var(--#{$prefix}form-invalid-color),
+    "icon": $form-feedback-icon-invalid,
+    "tooltip-color": #fff,
+    "tooltip-bg-color": var(--#{$prefix}danger),
+    "focus-box-shadow": 0 0 $input-btn-focus-blur $input-focus-width rgba(var(--#{$prefix}danger-rgb), $input-btn-focus-color-opacity),
+    "border-color": var(--#{$prefix}form-invalid-border-color),
  )
 ) !default;
 // scss-docs-end form-validation-states
@ -1052,6 +1136,16 @@ $zindex-tooltip:                    1080 !default;
 $zindex-toast:                      1090 !default;
 // scss-docs-end zindex-stack

+// scss-docs-start zindex-levels-map
+$zindex-levels: (
+  n1: -1,
+  0: 0,
+  1: 1,
+  2: 2,
+  3: 3
+) !default;
+// scss-docs-end zindex-levels-map
+

 // Navs

@ -1063,19 +1157,24 @@ $nav-link-font-weight:              null !default;
 $nav-link-color:                    var(--#{$prefix}link-color) !default;
 $nav-link-hover-color:              var(--#{$prefix}link-hover-color) !default;
 $nav-link-transition:               color .15s ease-in-out, background-color .15s ease-in-out, border-color .15s ease-in-out !default;
-$nav-link-disabled-color:           $gray-600 !default;
+$nav-link-disabled-color:           var(--#{$prefix}secondary-color) !default;
+$nav-link-focus-box-shadow:         $focus-ring-box-shadow !default;

-$nav-tabs-border-color:             $gray-300 !default;
-$nav-tabs-border-width:             $border-width !default;
-$nav-tabs-border-radius:            $border-radius !default;
-$nav-tabs-link-hover-border-color:  $gray-200 $gray-200 $nav-tabs-border-color !default;
-$nav-tabs-link-active-color:        $gray-700 !default;
-$nav-tabs-link-active-bg:           $body-bg !default;
-$nav-tabs-link-active-border-color: $gray-300 $gray-300 $nav-tabs-link-active-bg !default;
+$nav-tabs-border-color:             var(--#{$prefix}border-color) !default;
+$nav-tabs-border-width:             var(--#{$prefix}border-width) !default;
+$nav-tabs-border-radius:            var(--#{$prefix}border-radius) !default;
+$nav-tabs-link-hover-border-color:  var(--#{$prefix}secondary-bg) var(--#{$prefix}secondary-bg) $nav-tabs-border-color !default;
+$nav-tabs-link-active-color:        var(--#{$prefix}emphasis-color) !default;
+$nav-tabs-link-active-bg:           var(--#{$prefix}body-bg) !default;
+$nav-tabs-link-active-border-color: var(--#{$prefix}border-color) var(--#{$prefix}border-color) $nav-tabs-link-active-bg !default;

-$nav-pills-border-radius:           $border-radius !default;
+$nav-pills-border-radius:           var(--#{$prefix}border-radius) !default;
 $nav-pills-link-active-color:       $component-active-color !default;
 $nav-pills-link-active-bg:          $component-active-bg !default;
+
+$nav-underline-gap:                 1rem !default;
+$nav-underline-border-width:        .125rem !default;
+$nav-underline-link-active-color:   var(--#{$prefix}emphasis-color) !default;
 // scss-docs-end nav-variables


@ -1101,12 +1200,13 @@ $navbar-toggler-border-radius:      $btn-border-radius !default;
 $navbar-toggler-focus-width:        $btn-focus-width !default;
 $navbar-toggler-transition:         box-shadow .15s ease-in-out !default;

-$navbar-light-color:                rgba($black, .55) !default;
-$navbar-light-hover-color:          rgba($black, .7) !default;
-$navbar-light-active-color:         rgba($black, .9) !default;
-$navbar-light-disabled-color:       rgba($black, .3) !default;
-$navbar-light-toggler-icon-bg:      url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'><path stroke='#{$navbar-light-color}' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/></svg>") !default;
-$navbar-light-toggler-border-color: rgba($black, .1) !default;
+$navbar-light-color:                rgba(var(--#{$prefix}emphasis-color-rgb), .65) !default;
+$navbar-light-hover-color:          rgba(var(--#{$prefix}emphasis-color-rgb), .8) !default;
+$navbar-light-active-color:         rgba(var(--#{$prefix}emphasis-color-rgb), 1) !default;
+$navbar-light-disabled-color:       rgba(var(--#{$prefix}emphasis-color-rgb), .3) !default;
+$navbar-light-icon-color:           rgba($body-color, .75) !default;
+$navbar-light-toggler-icon-bg:      url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'><path stroke='#{$navbar-light-icon-color}' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/></svg>") !default;
+$navbar-light-toggler-border-color: rgba(var(--#{$prefix}emphasis-color-rgb), .15) !default;
 $navbar-light-brand-color:          $navbar-light-active-color !default;
 $navbar-light-brand-hover-color:    $navbar-light-active-color !default;
 // scss-docs-end navbar-variables
@ -1133,24 +1233,24 @@ $dropdown-padding-x:                0 !default;
 $dropdown-padding-y:                .5rem !default;
 $dropdown-spacer:                   .125rem !default;
 $dropdown-font-size:                $font-size-base !default;
-$dropdown-color:                    $body-color !default;
-$dropdown-bg:                       $white !default;
+$dropdown-color:                    var(--#{$prefix}body-color) !default;
+$dropdown-bg:                       var(--#{$prefix}body-bg) !default;
 $dropdown-border-color:             var(--#{$prefix}border-color-translucent) !default;
-$dropdown-border-radius:            $border-radius !default;
-$dropdown-border-width:             $border-width !default;
-$dropdown-inner-border-radius:      subtract($dropdown-border-radius, $dropdown-border-width) !default;
+$dropdown-border-radius:            var(--#{$prefix}border-radius) !default;
+$dropdown-border-width:             var(--#{$prefix}border-width) !default;
+$dropdown-inner-border-radius:      calc(#{$dropdown-border-radius} - #{$dropdown-border-width}) !default; // stylelint-disable-line function-disallowed-list
 $dropdown-divider-bg:               $dropdown-border-color !default;
 $dropdown-divider-margin-y:         $spacer * .5 !default;
 $dropdown-box-shadow:               $box-shadow !default;

-$dropdown-link-color:               $gray-900 !default;
-$dropdown-link-hover-color:         shade-color($dropdown-link-color, 10%) !default;
-$dropdown-link-hover-bg:            $gray-200 !default;
+$dropdown-link-color:               var(--#{$prefix}body-color) !default;
+$dropdown-link-hover-color:         $dropdown-link-color !default;
+$dropdown-link-hover-bg:            var(--#{$prefix}tertiary-bg) !default;

 $dropdown-link-active-color:        $component-active-color !default;
 $dropdown-link-active-bg:           $component-active-bg !default;

-$dropdown-link-disabled-color:      $gray-500 !default;
+$dropdown-link-disabled-color:      var(--#{$prefix}tertiary-color) !default;

 $dropdown-item-padding-y:           $spacer * .25 !default;
 $dropdown-item-padding-x:           $spacer !default;
@ -1192,33 +1292,33 @@ $pagination-padding-x-lg:           1.5rem !default;
 $pagination-font-size:              $font-size-base !default;

 $pagination-color:                  var(--#{$prefix}link-color) !default;
-$pagination-bg:                     $white !default;
-$pagination-border-radius:          $border-radius !default;
-$pagination-border-width:           $border-width !default;
-$pagination-margin-start:           ($pagination-border-width * -1) !default;
-$pagination-border-color:           $gray-300 !default;
+$pagination-bg:                     var(--#{$prefix}body-bg) !default;
+$pagination-border-radius:          var(--#{$prefix}border-radius) !default;
+$pagination-border-width:           var(--#{$prefix}border-width) !default;
+$pagination-margin-start:           calc(#{$pagination-border-width} * -1) !default; // stylelint-disable-line function-disallowed-list
+$pagination-border-color:           var(--#{$prefix}border-color) !default;

 $pagination-focus-color:            var(--#{$prefix}link-hover-color) !default;
-$pagination-focus-bg:               $gray-200 !default;
-$pagination-focus-box-shadow:       $input-btn-focus-box-shadow !default;
+$pagination-focus-bg:               var(--#{$prefix}secondary-bg) !default;
+$pagination-focus-box-shadow:       $focus-ring-box-shadow !default;
 $pagination-focus-outline:          0 !default;

 $pagination-hover-color:            var(--#{$prefix}link-hover-color) !default;
-$pagination-hover-bg:               $gray-200 !default;
-$pagination-hover-border-color:     $gray-300 !default;
+$pagination-hover-bg:               var(--#{$prefix}tertiary-bg) !default;
+$pagination-hover-border-color:     var(--#{$prefix}border-color) !default; // Todo in v6: remove this?

 $pagination-active-color:           $component-active-color !default;
 $pagination-active-bg:              $component-active-bg !default;
-$pagination-active-border-color:    $pagination-active-bg !default;
+$pagination-active-border-color:    $component-active-bg !default;

-$pagination-disabled-color:         $gray-600 !default;
-$pagination-disabled-bg:            $white !default;
-$pagination-disabled-border-color:  $gray-300 !default;
+$pagination-disabled-color:         var(--#{$prefix}secondary-color) !default;
+$pagination-disabled-bg:            var(--#{$prefix}secondary-bg) !default;
+$pagination-disabled-border-color:  var(--#{$prefix}border-color) !default;

 $pagination-transition:              color .15s ease-in-out, background-color .15s ease-in-out, border-color .15s ease-in-out, box-shadow .15s ease-in-out !default;

-$pagination-border-radius-sm:       $border-radius-sm !default;
-$pagination-border-radius-lg:       $border-radius-lg !default;
+$pagination-border-radius-sm:       var(--#{$prefix}border-radius-sm) !default;
+$pagination-border-radius-lg:       var(--#{$prefix}border-radius-lg) !default;
 // scss-docs-end pagination-variables


@ -1235,18 +1335,20 @@ $placeholder-opacity-min:           .2 !default;
 $card-spacer-y:                     $spacer !default;
 $card-spacer-x:                     $spacer !default;
 $card-title-spacer-y:               $spacer * .5 !default;
-$card-border-width:                 $border-width !default;
+$card-title-color:                  null !default;
+$card-subtitle-color:               null !default;
+$card-border-width:                 var(--#{$prefix}border-width) !default;
 $card-border-color:                 var(--#{$prefix}border-color-translucent) !default;
-$card-border-radius:                $border-radius !default;
+$card-border-radius:                var(--#{$prefix}border-radius) !default;
 $card-box-shadow:                   null !default;
 $card-inner-border-radius:          subtract($card-border-radius, $card-border-width) !default;
 $card-cap-padding-y:                $card-spacer-y * .5 !default;
 $card-cap-padding-x:                $card-spacer-x !default;
-$card-cap-bg:                       rgba($black, .03) !default;
+$card-cap-bg:                       rgba(var(--#{$prefix}body-color-rgb), .03) !default;
 $card-cap-color:                    null !default;
 $card-height:                       null !default;
 $card-color:                        null !default;
-$card-bg:                           $white !default;
+$card-bg:                           var(--#{$prefix}body-bg) !default;
 $card-img-overlay-padding:          $spacer !default;
 $card-group-margin:                 $grid-gutter-width * .5 !default;
 // scss-docs-end card-variables
@ -1256,11 +1358,11 @@ $card-group-margin:                 $grid-gutter-width * .5 !default;
 // scss-docs-start accordion-variables
 $accordion-padding-y:                     1rem !default;
 $accordion-padding-x:                     1.25rem !default;
-$accordion-color:                         $body-color !default; // Sass variable because of $accordion-button-icon
-$accordion-bg:                            $body-bg !default;
-$accordion-border-width:                  $border-width !default;
+$accordion-color:                         var(--#{$prefix}body-color) !default;
+$accordion-bg:                            var(--#{$prefix}body-bg) !default;
+$accordion-border-width:                  var(--#{$prefix}border-width) !default;
 $accordion-border-color:                  var(--#{$prefix}border-color) !default;
-$accordion-border-radius:                 $border-radius !default;
+$accordion-border-radius:                 var(--#{$prefix}border-radius) !default;
 $accordion-inner-border-radius:           subtract($accordion-border-radius, $accordion-border-width) !default;

 $accordion-body-padding-y:                $accordion-padding-y !default;
@ -1268,18 +1370,18 @@ $accordion-body-padding-x:                $accordion-padding-x !default;

 $accordion-button-padding-y:              $accordion-padding-y !default;
 $accordion-button-padding-x:              $accordion-padding-x !default;
-$accordion-button-color:                  $accordion-color !default;
+$accordion-button-color:                  var(--#{$prefix}body-color) !default;
 $accordion-button-bg:                     var(--#{$prefix}accordion-bg) !default;
 $accordion-transition:                    $btn-transition, border-radius .15s ease !default;
-$accordion-button-active-bg:              tint-color($component-active-bg, 90%) !default;
-$accordion-button-active-color:           shade-color($primary, 10%) !default;
+$accordion-button-active-bg:              var(--#{$prefix}primary-bg-subtle) !default;
+$accordion-button-active-color:           var(--#{$prefix}primary-text-emphasis) !default;

 $accordion-button-focus-border-color:     $input-focus-border-color !default;
 $accordion-button-focus-box-shadow:       $btn-focus-box-shadow !default;

 $accordion-icon-width:                    1.25rem !default;
-$accordion-icon-color:                    $accordion-button-color !default;
-$accordion-icon-active-color:             $accordion-button-active-color !default;
+$accordion-icon-color:                    $body-color !default;
+$accordion-icon-active-color:             $primary-text-emphasis !default;
 $accordion-icon-transition:               transform .2s ease-in-out !default;
 $accordion-icon-transform:                rotate(-180deg) !default;

@ -1292,9 +1394,9 @@ $accordion-button-active-icon:  url("data:image/svg+xml,<svg xmlns='http://www.w
 // scss-docs-start tooltip-variables
 $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-color:                     var(--#{$prefix}body-bg) !default;
+$tooltip-bg:                        var(--#{$prefix}emphasis-color) !default;
+$tooltip-border-radius:             var(--#{$prefix}border-radius) !default;
 $tooltip-opacity:                   .9 !default;
 $tooltip-padding-y:                 $spacer * .25 !default;
 $tooltip-padding-x:                 $spacer * .5 !default;
@ -1322,21 +1424,21 @@ $form-feedback-tooltip-border-radius: $tooltip-border-radius !default;

 // scss-docs-start popover-variables
 $popover-font-size:                 $font-size-sm !default;
-$popover-bg:                        $white !default;
+$popover-bg:                        var(--#{$prefix}body-bg) !default;
 $popover-max-width:                 276px !default;
-$popover-border-width:              $border-width !default;
+$popover-border-width:              var(--#{$prefix}border-width) !default;
 $popover-border-color:              var(--#{$prefix}border-color-translucent) !default;
-$popover-border-radius:             $border-radius-lg !default;
-$popover-inner-border-radius:       subtract($popover-border-radius, $popover-border-width) !default;
+$popover-border-radius:             var(--#{$prefix}border-radius-lg) !default;
+$popover-inner-border-radius:       calc(#{$popover-border-radius} - #{$popover-border-width}) !default; // stylelint-disable-line function-disallowed-list
 $popover-box-shadow:                $box-shadow !default;

 $popover-header-font-size:          $font-size-base !default;
-$popover-header-bg:                 shade-color($popover-bg, 6%) !default;
+$popover-header-bg:                 var(--#{$prefix}secondary-bg) !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-color:                var(--#{$prefix}body-color) !default;
 $popover-body-padding-y:            $spacer !default;
 $popover-body-padding-x:            $spacer !default;

@ -1359,16 +1461,16 @@ $toast-padding-x:                   .75rem !default;
 $toast-padding-y:                   .5rem !default;
 $toast-font-size:                   .875rem !default;
 $toast-color:                       null !default;
-$toast-background-color:            rgba($white, .85) !default;
-$toast-border-width:                $border-width !default;
+$toast-background-color:            rgba(var(--#{$prefix}body-bg-rgb), .85) !default;
+$toast-border-width:                var(--#{$prefix}border-width) !default;
 $toast-border-color:                var(--#{$prefix}border-color-translucent) !default;
-$toast-border-radius:               $border-radius !default;
-$toast-box-shadow:                  $box-shadow !default;
+$toast-border-radius:               var(--#{$prefix}border-radius) !default;
+$toast-box-shadow:                  var(--#{$prefix}box-shadow) !default;
 $toast-spacing:                     $container-padding-x !default;

-$toast-header-color:                $gray-600 !default;
-$toast-header-background-color:     rgba($white, .85) !default;
-$toast-header-border-color:         rgba($black, .05) !default;
+$toast-header-color:                var(--#{$prefix}secondary-color) !default;
+$toast-header-background-color:     rgba(var(--#{$prefix}body-bg-rgb), .85) !default;
+$toast-header-border-color:         $toast-border-color !default;
 // scss-docs-end toast-variables


@ -1380,7 +1482,7 @@ $badge-font-weight:                 $font-weight-bold !default;
 $badge-color:                       $white !default;
 $badge-padding-y:                   .35em !default;
 $badge-padding-x:                   .65em !default;
-$badge-border-radius:               $border-radius !default;
+$badge-border-radius:               var(--#{$prefix}border-radius) !default;
 // scss-docs-end badge-variables


@ -1397,10 +1499,10 @@ $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-bg:                  var(--#{$prefix}body-bg) !default;
 $modal-content-border-color:        var(--#{$prefix}border-color-translucent) !default;
-$modal-content-border-width:        $border-width !default;
-$modal-content-border-radius:       $border-radius-lg !default;
+$modal-content-border-width:        var(--#{$prefix}border-width) !default;
+$modal-content-border-radius:       var(--#{$prefix}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;
@ -1438,24 +1540,29 @@ $modal-scale-transform:             scale(1.02) !default;
 $alert-padding-y:               $spacer !default;
 $alert-padding-x:               $spacer !default;
 $alert-margin-bottom:           1rem !default;
-$alert-border-radius:           $border-radius !default;
+$alert-border-radius:           var(--#{$prefix}border-radius) !default;
 $alert-link-font-weight:        $font-weight-bold !default;
-$alert-border-width:            $border-width !default;
+$alert-border-width:            var(--#{$prefix}border-width) !default;
 $alert-bg-scale:                -80% !default;
 $alert-border-scale:            -70% !default;
 $alert-color-scale:             40% !default;
 $alert-dismissible-padding-r:   $alert-padding-x * 3 !default; // 3x covers width of x plus default padding on either side
 // scss-docs-end alert-variables

+// fusv-disable
+$alert-bg-scale:                -80% !default; // Deprecated in v5.2.0, to be removed in v6
+$alert-border-scale:            -70% !default; // Deprecated in v5.2.0, to be removed in v6
+$alert-color-scale:             40% !default; // Deprecated in v5.2.0, to be removed in v6
+// fusv-enable

 // Progress bars

 // scss-docs-start progress-variables
 $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-bg:                       var(--#{$prefix}secondary-bg) !default;
+$progress-border-radius:            var(--#{$prefix}border-radius) !default;
+$progress-box-shadow:               var(--#{$prefix}box-shadow-inset) !default;
 $progress-bar-color:                $white !default;
 $progress-bar-bg:                   $primary !default;
 $progress-bar-animation-timing:     1s linear infinite !default;
@ -1466,30 +1573,32 @@ $progress-bar-transition:           width .6s ease !default;
 // List group

 // scss-docs-start list-group-variables
-$list-group-color:                  $gray-900 !default;
-$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-color:                  var(--#{$prefix}body-color) !default;
+$list-group-bg:                     var(--#{$prefix}body-bg) !default;
+$list-group-border-color:           var(--#{$prefix}border-color) !default;
+$list-group-border-width:           var(--#{$prefix}border-width) !default;
+$list-group-border-radius:          var(--#{$prefix}border-radius) !default;

 $list-group-item-padding-y:         $spacer * .5 !default;
 $list-group-item-padding-x:         $spacer !default;
-$list-group-item-bg-scale:          -80% !default;
-$list-group-item-color-scale:       40% !default;
+// fusv-disable
+$list-group-item-bg-scale:          -80% !default; // Deprecated in v5.3.0
+$list-group-item-color-scale:       40% !default; // Deprecated in v5.3.0
+// fusv-enable

-$list-group-hover-bg:               $gray-100 !default;
+$list-group-hover-bg:               var(--#{$prefix}tertiary-bg) !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-color:         var(--#{$prefix}secondary-color) !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-color:           var(--#{$prefix}secondary-color) !default;
+$list-group-action-hover-color:     var(--#{$prefix}emphasis-color) !default;

-$list-group-action-active-color:    $body-color !default;
-$list-group-action-active-bg:       $gray-200 !default;
+$list-group-action-active-color:    var(--#{$prefix}body-color) !default;
+$list-group-action-active-bg:       var(--#{$prefix}secondary-bg) !default;
 // scss-docs-end list-group-variables


@ -1497,11 +1606,11 @@ $list-group-action-active-bg:       $gray-200 !default;

 // scss-docs-start thumbnail-variables
 $thumbnail-padding:                 .25rem !default;
-$thumbnail-bg:                      $body-bg !default;
-$thumbnail-border-width:            $border-width !default;
+$thumbnail-bg:                      var(--#{$prefix}body-bg) !default;
+$thumbnail-border-width:            var(--#{$prefix}border-width) !default;
 $thumbnail-border-color:            var(--#{$prefix}border-color) !default;
-$thumbnail-border-radius:           $border-radius !default;
-$thumbnail-box-shadow:              $box-shadow-sm !default;
+$thumbnail-border-radius:           var(--#{$prefix}border-radius) !default;
+$thumbnail-box-shadow:              var(--#{$prefix}box-shadow-sm) !default;
 // scss-docs-end thumbnail-variables


@ -1509,7 +1618,7 @@ $thumbnail-box-shadow:              $box-shadow-sm !default;

 // scss-docs-start figure-variables
 $figure-caption-font-size:          $small-font-size !default;
-$figure-caption-color:              $gray-600 !default;
+$figure-caption-color:              var(--#{$prefix}secondary-color) !default;
 // scss-docs-end figure-variables


@ -1522,8 +1631,8 @@ $breadcrumb-padding-x:              0 !default;
 $breadcrumb-item-padding-x:         .5rem !default;
 $breadcrumb-margin-bottom:          1rem !default;
 $breadcrumb-bg:                     null !default;
-$breadcrumb-divider-color:          $gray-600 !default;
-$breadcrumb-active-color:           $gray-600 !default;
+$breadcrumb-divider-color:          var(--#{$prefix}secondary-color) !default;
+$breadcrumb-active-color:           var(--#{$prefix}secondary-color) !default;
 $breadcrumb-divider:                quote("/") !default;
 $breadcrumb-divider-flipped:        $breadcrumb-divider !default;
 $breadcrumb-border-radius:          null !default;
@ -1592,7 +1701,7 @@ $btn-close-padding-x:        .25em !default;
 $btn-close-padding-y:        $btn-close-padding-x !default;
 $btn-close-color:            $black !default;
 $btn-close-bg:               url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='#{$btn-close-color}'><path d='M.293.293a1 1 0 0 1 1.414 0L8 6.586 14.293.293a1 1 0 1 1 1.414 1.414L9.414 8l6.293 6.293a1 1 0 0 1-1.414 1.414L8 9.414l-6.293 6.293a1 1 0 0 1-1.414-1.414L6.586 8 .293 1.707a1 1 0 0 1 0-1.414z'/></svg>") !default;
-$btn-close-focus-shadow:     $input-btn-focus-box-shadow !default;
+$btn-close-focus-shadow:     $focus-ring-box-shadow !default;
 $btn-close-opacity:          .5 !default;
 $btn-close-hover-opacity:    .75 !default;
 $btn-close-focus-opacity:    1 !default;
@ -1612,8 +1721,8 @@ $offcanvas-transition-duration:     .3s !default;
 $offcanvas-border-color:            $modal-content-border-color !default;
 $offcanvas-border-width:            $modal-content-border-width !default;
 $offcanvas-title-line-height:       $modal-title-line-height !default;
-$offcanvas-bg-color:                $modal-content-bg !default;
-$offcanvas-color:                   $modal-content-color !default;
+$offcanvas-bg-color:                var(--#{$prefix}body-bg) !default;
+$offcanvas-color:                   var(--#{$prefix}body-color) !default;
 $offcanvas-box-shadow:              $modal-content-box-shadow-xs !default;
 $offcanvas-backdrop-bg:             $modal-backdrop-bg !default;
 $offcanvas-backdrop-opacity:        $modal-backdrop-opacity !default;
--- a/_sass/bootstrap/bootstrap-grid.scss
+++ b/_sass/bootstrap/bootstrap-grid.scss
@ -5,9 +5,9 @@ $include-column-box-sizing: true !default;

@import "functions";
@import "variables";
+@import "variables-dark";
@import "maps";

-@import "mixins/lists";
@import "mixins/breakpoints";
@import "mixins/container";
@import "mixins/grid";
@ -15,8 +15,6 @@ $include-column-box-sizing: true !default;

@import "vendor/rfs";

-@import "root";
-
@import "containers";
@import "grid";

--- a/_sass/bootstrap/bootstrap-reboot.scss
+++ b/_sass/bootstrap/bootstrap-reboot.scss
@ -3,6 +3,7 @@

@import "functions";
@import "variables";
+@import "variables-dark";
@import "maps";
@import "mixins";
@import "root";
--- a/_sass/bootstrap/bootstrap-utilities.scss
+++ b/_sass/bootstrap/bootstrap-utilities.scss
@ -4,6 +4,7 @@
 // Configuration
@import "functions";
@import "variables";
+@import "variables-dark";
@import "maps";
@import "mixins";
@import "utilities";
--- a/_sass/bootstrap/bootstrap.scss
+++ b/_sass/bootstrap/bootstrap.scss
@ -6,6 +6,7 @@
 // Configuration
@import "functions";
@import "variables";
+@import "variables-dark";
@import "maps";
@import "mixins";
@import "utilities";
--- a/_sass/bootstrap/forms/_floating-labels.scss
+++ b/_sass/bootstrap/forms/_floating-labels.scss
@ -5,6 +5,7 @@
  > .form-control-plaintext,
  > .form-select {
    height: $form-floating-height;
+    min-height: $form-floating-height;
    line-height: $form-floating-line-height;
  }

@ -12,7 +13,7 @@
    position: absolute;
    top: 0;
    left: 0;
-    width: 100%;
+    z-index: 2;
    height: 100%; // allow textareas
    padding: $form-floating-padding-y $form-floating-padding-x;
    overflow: hidden;
@ -55,14 +56,24 @@
  > .form-control-plaintext,
  > .form-select {
    ~ label {
-      opacity: $form-floating-label-opacity;
+      color: rgba(var(--#{$prefix}body-color-rgb), #{$form-floating-label-opacity});
      transform: $form-floating-label-transform;
+
+      &::after {
+        position: absolute;
+        inset: $form-floating-padding-y ($form-floating-padding-x * .5);
+        z-index: -1;
+        height: $form-floating-label-height;
+        content: "";
+        background-color: $input-bg;
+        @include border-radius($input-border-radius);
+      }
    }
  }
  // Duplicated because `:-webkit-autofill` invalidates other selectors when grouped
  > .form-control:-webkit-autofill {
    ~ label {
-      opacity: $form-floating-label-opacity;
+      color: rgba(var(--#{$prefix}body-color-rgb), #{$form-floating-label-opacity});
      transform: $form-floating-label-transform;
    }
  }
@ -72,4 +83,12 @@
      border-width: $input-border-width 0; // Required to properly position label text - as explained above
    }
  }
+
+  > :disabled ~ label {
+    color: $form-floating-label-disabled-color;
+
+    &::after {
+      background-color: $input-disabled-bg;
+    }
+  }
 }
--- a/_sass/bootstrap/forms/_form-check.scss
+++ b/_sass/bootstrap/forms/_form-check.scss
@ -27,11 +27,14 @@
 }

 .form-check-input {
+  --#{$prefix}form-check-bg: #{$form-check-input-bg};
+
  width: $form-check-input-width;
  height: $form-check-input-width;
  margin-top: ($line-height-base - $form-check-input-width) * .5; // line-height minus check height
  vertical-align: top;
-  background-color: $form-check-input-bg;
+  background-color: var(--#{$prefix}form-check-bg);
+  background-image: var(--#{$prefix}form-check-bg-image);
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
@ -65,17 +68,17 @@

    &[type="checkbox"] {
      @if $enable-gradients {
-        background-image: escape-svg($form-check-input-checked-bg-image), var(--#{$prefix}gradient);
+        --#{$prefix}form-check-bg-image: #{escape-svg($form-check-input-checked-bg-image)}, var(--#{$prefix}gradient);
      } @else {
-        background-image: escape-svg($form-check-input-checked-bg-image);
+        --#{$prefix}form-check-bg-image: #{escape-svg($form-check-input-checked-bg-image)};
      }
    }

    &[type="radio"] {
      @if $enable-gradients {
-        background-image: escape-svg($form-check-radio-checked-bg-image), var(--#{$prefix}gradient);
+        --#{$prefix}form-check-bg-image: #{escape-svg($form-check-radio-checked-bg-image)}, var(--#{$prefix}gradient);
      } @else {
-        background-image: escape-svg($form-check-radio-checked-bg-image);
+        --#{$prefix}form-check-bg-image: #{escape-svg($form-check-radio-checked-bg-image)};
      }
    }
  }
@ -85,9 +88,9 @@
    border-color: $form-check-input-indeterminate-border-color;

    @if $enable-gradients {
-      background-image: escape-svg($form-check-input-indeterminate-bg-image), var(--#{$prefix}gradient);
+      --#{$prefix}form-check-bg-image: #{escape-svg($form-check-input-indeterminate-bg-image)}, var(--#{$prefix}gradient);
    } @else {
-      background-image: escape-svg($form-check-input-indeterminate-bg-image);
+      --#{$prefix}form-check-bg-image: #{escape-svg($form-check-input-indeterminate-bg-image)};
    }
  }

@ -121,24 +124,26 @@
  padding-left: $form-switch-padding-start;

  .form-check-input {
+    --#{$prefix}form-switch-bg: #{escape-svg($form-switch-bg-image)};
+
    width: $form-switch-width;
    margin-left: $form-switch-padding-start * -1;
-    background-image: escape-svg($form-switch-bg-image);
+    background-image: var(--#{$prefix}form-switch-bg);
    background-position: left center;
    @include border-radius($form-switch-border-radius);
    @include transition($form-switch-transition);

    &:focus {
-      background-image: escape-svg($form-switch-focus-bg-image);
+      --#{$prefix}form-switch-bg: #{escape-svg($form-switch-focus-bg-image)};
    }

    &:checked {
      background-position: $form-switch-checked-bg-position;

      @if $enable-gradients {
-        background-image: escape-svg($form-switch-checked-bg-image), var(--#{$prefix}gradient);
+        --#{$prefix}form-switch-bg: #{escape-svg($form-switch-checked-bg-image)}, var(--#{$prefix}gradient);
      } @else {
-        background-image: escape-svg($form-switch-checked-bg-image);
+        --#{$prefix}form-switch-bg: #{escape-svg($form-switch-checked-bg-image)};
      }
    }
  }
@ -173,3 +178,11 @@
    }
  }
 }
+
+@if $enable-dark-mode {
+  @include color-mode(dark) {
+    .form-switch .form-check-input:not(:checked):not(:focus) {
+      --#{$prefix}form-switch-bg: #{escape-svg($form-switch-bg-image-dark)};
+    }
+  }
+}
--- a/_sass/bootstrap/forms/_form-control.scss
+++ b/_sass/bootstrap/forms/_form-control.scss
@ -44,12 +44,31 @@
    }
  }

-  // Add some height to date inputs on iOS
-  // https://github.com/twbs/bootstrap/issues/23307
-  // TODO: we can remove this workaround once https://bugs.webkit.org/show_bug.cgi?id=198959 is resolved
  &::-webkit-date-and-time-value {
+    // On Android Chrome, form-control's "width: 100%" makes the input width too small
+    // Tested under Android 11 / Chrome 89, Android 12 / Chrome 100, Android 13 / Chrome 109
+    //
+    // On iOS Safari, form-control's "appearance: none" + "width: 100%" makes the input width too small
+    // Tested under iOS 16.2 / Safari 16.2
+    min-width: 85px; // Seems to be a good minimum safe width
+
+    // Add some height to date inputs on iOS
+    // https://github.com/twbs/bootstrap/issues/23307
+    // TODO: we can remove this workaround once https://bugs.webkit.org/show_bug.cgi?id=198959 is resolved
    // Multiply line-height by 1em if it has no unit
    height: if(unit($input-line-height) == "", $input-line-height * 1em, $input-line-height);
+
+    // Android Chrome type="date" is taller than the other inputs
+    // because of "margin: 1px 24px 1px 4px" inside the shadow DOM
+    // Tested under Android 11 / Chrome 89, Android 12 / Chrome 100, Android 13 / Chrome 109
+    margin: 0;
+  }
+
+  // Prevent excessive date input height in Webkit
+  // https://github.com/twbs/bootstrap/issues/34433
+  &::-webkit-datetime-edit {
+    display: block;
+    padding: 0;
  }

  // Placeholder
@ -186,6 +205,7 @@ textarea {
  }

  &::-webkit-color-swatch {
+    border: 0 !important; // stylelint-disable-line declaration-no-important
    @include border-radius($input-border-radius);
  }

--- a/_sass/bootstrap/forms/_form-select.scss
+++ b/_sass/bootstrap/forms/_form-select.scss
@ -4,17 +4,18 @@
 // https://primer.github.io/.

 .form-select {
+  --#{$prefix}form-select-bg-img: #{escape-svg($form-select-indicator)};
+
  display: block;
  width: 100%;
  padding: $form-select-padding-y $form-select-indicator-padding $form-select-padding-y $form-select-padding-x;
-  -moz-padding-start: subtract($form-select-padding-x, 3px); // See https://github.com/twbs/bootstrap/issues/32636
  font-family: $form-select-font-family;
  @include font-size($form-select-font-size);
  font-weight: $form-select-font-weight;
  line-height: $form-select-line-height;
  color: $form-select-color;
  background-color: $form-select-bg;
-  background-image: escape-svg($form-select-indicator);
+  background-image: var(--#{$prefix}form-select-bg-img), var(--#{$prefix}form-select-bg-icon, none);
  background-repeat: no-repeat;
  background-position: $form-select-bg-position;
  background-size: $form-select-bg-size;
@ -69,3 +70,11 @@
  @include font-size($form-select-font-size-lg);
  @include border-radius($form-select-border-radius-lg);
 }
+
+@if $enable-dark-mode {
+  @include color-mode(dark) {
+    .form-select {
+      --#{$prefix}form-select-bg-img: #{escape-svg($form-select-indicator-dark)};
+    }
+  }
+}
--- a/_sass/bootstrap/forms/_input-group.scss
+++ b/_sass/bootstrap/forms/_input-group.scss
@ -121,7 +121,7 @@
  }

  > :not(:first-child):not(.dropdown-menu)#{$validation-messages} {
-    margin-left: -$input-border-width;
+    margin-left: calc(#{$input-border-width} * -1); // stylelint-disable-line function-disallowed-list
    @include border-start-radius(0);
  }

--- a/_sass/bootstrap/helpers/_color-bg.scss
+++ b/_sass/bootstrap/helpers/_color-bg.scss
@ -1,5 +1,3 @@
-// stylelint-disable function-name-case
-
 // All-caps `RGBA()` function used because of this Sass bug: https://github.com/sass/node-sass/issues/2251
@each $color, $value in $theme-colors {
  $color-rgb: to-rgb($value);
--- a/_sass/bootstrap/helpers/_colored-links.scss
+++ b/_sass/bootstrap/helpers/_colored-links.scss
@ -1,12 +1,30 @@
+// All-caps `RGBA()` function used because of this Sass bug: https://github.com/sass/node-sass/issues/2251
@each $color, $value in $theme-colors {
  .link-#{$color} {
-    color: $value !important; // stylelint-disable-line declaration-no-important
+    color: RGBA(var(--#{$prefix}#{$color}-rgb), var(--#{$prefix}link-opacity, 1)) if($enable-important-utilities, !important, null);
+    text-decoration-color: RGBA(var(--#{$prefix}#{$color}-rgb), var(--#{$prefix}link-underline-opacity, 1)) if($enable-important-utilities, !important, null);

    @if $link-shade-percentage != 0 {
      &:hover,
      &:focus {
-        color: if(color-contrast($value) == $color-contrast-light, shade-color($value, $link-shade-percentage), tint-color($value, $link-shade-percentage)) !important; // stylelint-disable-line declaration-no-important
+        $hover-color: if(color-contrast($value) == $color-contrast-light, shade-color($value, $link-shade-percentage), tint-color($value, $link-shade-percentage));
+        color: RGBA(#{to-rgb($hover-color)}, var(--#{$prefix}link-opacity, 1)) if($enable-important-utilities, !important, null);
+        text-decoration-color: RGBA(to-rgb($hover-color), var(--#{$prefix}link-underline-opacity, 1)) if($enable-important-utilities, !important, null);
      }
    }
  }
 }
+
+// One-off special link helper as a bridge until v6
+.link-body-emphasis {
+  color: RGBA(var(--#{$prefix}emphasis-color-rgb), var(--#{$prefix}link-opacity, 1)) if($enable-important-utilities, !important, null);
+  text-decoration-color: RGBA(var(--#{$prefix}emphasis-color-rgb), var(--#{$prefix}link-underline-opacity, 1)) if($enable-important-utilities, !important, null);
+
+  @if $link-shade-percentage != 0 {
+    &:hover,
+    &:focus {
+      color: RGBA(var(--#{$prefix}emphasis-color-rgb), var(--#{$prefix}link-opacity, .75)) if($enable-important-utilities, !important, null);
+      text-decoration-color: RGBA(var(--#{$prefix}emphasis-color-rgb), var(--#{$prefix}link-underline-opacity, .75)) if($enable-important-utilities, !important, null);
+    }
+  }
+}
--- a/_sass/bootstrap/helpers/_focus-ring.scss
+++ b/_sass/bootstrap/helpers/_focus-ring.scss
@ -0,0 +1,5 @@
+.focus-ring:focus {
+  outline: 0;
+  // By default, there is no `--bs-focus-ring-x`, `--bs-focus-ring-y`, or `--bs-focus-ring-blur`, but we provide CSS variables with fallbacks to initial `0` values
+  box-shadow: var(--#{$prefix}focus-ring-x, 0) var(--#{$prefix}focus-ring-y, 0) var(--#{$prefix}focus-ring-blur, 0) var(--#{$prefix}focus-ring-width) var(--#{$prefix}focus-ring-color);
+}
--- a/_sass/bootstrap/helpers/_icon-link.scss
+++ b/_sass/bootstrap/helpers/_icon-link.scss
@ -0,0 +1,25 @@
+.icon-link {
+  display: inline-flex;
+  gap: $icon-link-gap;
+  align-items: center;
+  text-decoration-color: rgba(var(--#{$prefix}link-color-rgb), var(--#{$prefix}link-opacity, .5));
+  text-underline-offset: $icon-link-underline-offset;
+  backface-visibility: hidden;
+
+  > .bi {
+    flex-shrink: 0;
+    width: $icon-link-icon-size;
+    height: $icon-link-icon-size;
+    fill: currentcolor;
+    @include transition($icon-link-icon-transition);
+  }
+}
+
+.icon-link-hover {
+  &:hover,
+  &:focus-visible {
+    > .bi {
+      transform: var(--#{$prefix}icon-link-transform, $icon-link-icon-transform);
+    }
+  }
+}
--- a/_sass/bootstrap/mixins/_alert.scss
+++ b/_sass/bootstrap/mixins/_alert.scss
@ -1,15 +1,18 @@
+@include deprecate("`alert-variant()`", "v5.3.0", "v6.0.0");
+
 // scss-docs-start alert-variant-mixin
@mixin alert-variant($background, $border, $color) {
  --#{$prefix}alert-color: #{$color};
  --#{$prefix}alert-bg: #{$background};
  --#{$prefix}alert-border-color: #{$border};
+  --#{$prefix}alert-link-color: #{shade-color($color, 20%)};

  @if $enable-gradients {
    background-image: var(--#{$prefix}gradient);
  }

  .alert-link {
-    color: shade-color($color, 20%);
+    color: var(--#{$prefix}alert-link-color);
  }
 }
 // scss-docs-end alert-variant-mixin
--- a/_sass/bootstrap/mixins/_banner.scss
+++ b/_sass/bootstrap/mixins/_banner.scss
@ -1,9 +1,7 @@
@mixin bsBanner($file) {
  /*!
-   * Bootstrap #{$file} v5.2.3 (https://getbootstrap.com/)
-   * Copyright 2011-2022 The Bootstrap Authors
-   * Copyright 2011-2022 Twitter, Inc.
+   * Bootstrap #{$file} v5.3.0 (https://getbootstrap.com/)
+   * Copyright 2011-2023 The Bootstrap Authors
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
   */
 }
-
--- a/_sass/bootstrap/mixins/_caret.scss
+++ b/_sass/bootstrap/mixins/_caret.scss
@ -1,44 +1,49 @@
 // scss-docs-start caret-mixins
-@mixin caret-down {
-  border-top: $caret-width solid;
-  border-right: $caret-width solid transparent;
+@mixin caret-down($width: $caret-width) {
+  border-top: $width solid;
+  border-right: $width solid transparent;
  border-bottom: 0;
-  border-left: $caret-width solid transparent;
+  border-left: $width solid transparent;
 }

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

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

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

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

@ -49,10 +54,10 @@

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

--- a/_sass/bootstrap/mixins/_color-mode.scss
+++ b/_sass/bootstrap/mixins/_color-mode.scss
@ -0,0 +1,21 @@
+// scss-docs-start color-mode-mixin
+@mixin color-mode($mode: light, $root: false) {
+  @if $color-mode-type == "media-query" {
+    @if $root == true {
+      @media (prefers-color-scheme: $mode) {
+        :root {
+          @content;
+        }
+      }
+    } @else {
+      @media (prefers-color-scheme: $mode) {
+        @content;
+      }
+    }
+  } @else {
+    [data-bs-theme="#{$mode}"] {
+      @content;
+    }
+  }
+}
+// scss-docs-end color-mode-mixin
--- a/_sass/bootstrap/mixins/_forms.scss
+++ b/_sass/bootstrap/mixins/_forms.scss
@ -21,7 +21,8 @@
  $icon,
  $tooltip-color: color-contrast($color),
  $tooltip-bg-color: rgba($color, $form-feedback-tooltip-opacity),
-  $focus-box-shadow: 0 0 $input-btn-focus-blur $input-focus-width rgba($color, $input-btn-focus-color-opacity)
+  $focus-box-shadow: 0 0 $input-btn-focus-blur $input-focus-width rgba($color, $input-btn-focus-color-opacity),
+  $border-color: $color
 ) {
  .#{$state}-feedback {
    display: none;
@ -56,7 +57,7 @@

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

      @if $enable-validation-icons {
        padding-right: $input-height-inner;
@ -67,7 +68,7 @@
      }

      &:focus {
-        border-color: $color;
+        border-color: $border-color;
        box-shadow: $focus-box-shadow;
      }
    }
@ -85,20 +86,20 @@

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

      @if $enable-validation-icons {
        &:not([multiple]):not([size]),
        &:not([multiple])[size="1"] {
+          --#{$prefix}form-select-bg-icon: #{escape-svg($icon)};
          padding-right: $form-select-feedback-icon-padding-end;
-          background-image: escape-svg($form-select-indicator), escape-svg($icon);
          background-position: $form-select-bg-position, $form-select-feedback-icon-position;
          background-size: $form-select-bg-size, $form-select-feedback-icon-size;
        }
      }

      &:focus {
-        border-color: $color;
+        border-color: $border-color;
        box-shadow: $focus-box-shadow;
      }
    }
@ -114,7 +115,7 @@

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

      &:checked {
        background-color: $color;
--- a/_sass/bootstrap/mixins/_list-group.scss
+++ b/_sass/bootstrap/mixins/_list-group.scss
@ -1,3 +1,5 @@
+@include deprecate("`list-group-item-variant()`", "v5.3.0", "v6.0.0");
+
 // List Groups

 // scss-docs-start list-group-mixin
--- a/_sass/bootstrap/mixins/_utilities.scss
+++ b/_sass/bootstrap/mixins/_utilities.scss
@ -1,6 +1,6 @@
 // Utility generator
 // Used to generate utilities & print utilities
-@mixin generate-utility($utility, $infix, $is-rfs-media-query: false) {
+@mixin generate-utility($utility, $infix: "", $is-rfs-media-query: false) {
  $values: map-get($utility, values);

  // If the values are a list or string, convert it into a map
--- a/_sass/bootstrap/mixins/_visually-hidden.scss
+++ b/_sass/bootstrap/mixins/_visually-hidden.scss
@ -6,7 +6,6 @@
 // See: https://kittygiraudel.com/2016/10/13/css-hide-and-seek/

@mixin visually-hidden() {
-  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
@ -15,6 +14,11 @@
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
+
+  // Fix for positioned table caption that could become anonymous cells
+  &:not(caption) {
+    position: absolute !important;
+  }
 }

 // Use to only display content when it's focused, or one of its child elements is focused
--- a/_sass/bootstrap/tests/jasmine.js
+++ b/_sass/bootstrap/tests/jasmine.js
@ -0,0 +1,16 @@
+/* eslint-disable camelcase */
+
+'use strict'
+
+const path = require('node:path')
+
+module.exports = {
+  spec_dir: 'scss',
+  // Make Jasmine look for `.test.scss` files
+  spec_files: ['**/*.{test,spec}.scss'],
+  // Compile them into JS scripts running `sass-true`
+  requires: [path.join(__dirname, 'sass-true/register')],
+  // Ensure we use `require` so that the require.extensions works
+  // as `import` completely bypasses it
+  jsLoader: 'require'
+}
--- a/_sass/bootstrap/tests/mixins/_color-modes.test.scss
+++ b/_sass/bootstrap/tests/mixins/_color-modes.test.scss
@ -0,0 +1,69 @@
+// stylelint-disable selector-attribute-quotes
+
+@import "../../functions";
+@import "../../variables";
+@import "../../variables-dark";
+@import "../../maps";
+@import "../../mixins";
+
+@include describe("global $color-mode-type: data") {
+  @include it("generates data attribute selectors for dark mode") {
+    @include assert() {
+      @include output() {
+        @include color-mode(dark) {
+          .element {
+            color: var(--bs-primary-text-emphasis);
+            background-color: var(--bs-primary-bg-subtle);
+          }
+        }
+        @include color-mode(dark, true) {
+          --custom-color: #{mix($indigo, $blue, 50%)};
+        }
+      }
+      @include expect() {
+        [data-bs-theme=dark] .element {
+          color: var(--bs-primary-text-emphasis);
+          background-color: var(--bs-primary-bg-subtle);
+        }
+        [data-bs-theme=dark] {
+          --custom-color: #3a3ff8;
+        }
+      }
+    }
+  }
+}
+
+@include describe("global $color-mode-type: media-query") {
+  @include it("generates media queries for dark mode") {
+    $color-mode-type: media-query !global;
+
+    @include assert() {
+      @include output() {
+        @include color-mode(dark) {
+          .element {
+            color: var(--bs-primary-text-emphasis);
+            background-color: var(--bs-primary-bg-subtle);
+          }
+        }
+        @include color-mode(dark, true) {
+          --custom-color: #{mix($indigo, $blue, 50%)};
+        }
+      }
+      @include expect() {
+        @media (prefers-color-scheme: dark) {
+          .element {
+            color: var(--bs-primary-text-emphasis);
+            background-color: var(--bs-primary-bg-subtle);
+          }
+        }
+        @media (prefers-color-scheme: dark) {
+          :root {
+            --custom-color: #3a3ff8;
+          }
+        }
+      }
+    }
+
+    $color-mode-type: data !global;
+  }
+}
--- a/_sass/bootstrap/tests/mixins/_media-query-color-mode-full.test.scss
+++ b/_sass/bootstrap/tests/mixins/_media-query-color-mode-full.test.scss
@ -0,0 +1,8 @@
+$color-mode-type: media-query;
+
+@import "../../bootstrap";
+
+@include describe("global $color-mode-type: media-query") {
+  @include it("compiles entirely Bootstrap CSS with media-query color mode") { // stylelint-disable-line block-no-empty
+  }
+}
--- a/_sass/bootstrap/tests/mixins/_utilities.test.scss
+++ b/_sass/bootstrap/tests/mixins/_utilities.test.scss
@ -0,0 +1,393 @@
+$prefix: bs-;
+$enable-important-utilities: false;
+
+// Important: Do not import rfs to check that the mixin just calls the appropriate functions from it
+@import "../../mixins/utilities";
+
+@mixin test-generate-utility($params...) {
+  @include assert() {
+    @include output() {
+      @include generate-utility($params...);
+    }
+
+    @include expect() {
+      @content;
+    }
+  }
+}
+
+@include describe(generate-utility) {
+  @include it("generates a utility class for each value") {
+    @include test-generate-utility(
+      (
+        property: "padding",
+        values: (small: .5rem, large: 2rem)
+      )
+    ) {
+      .padding-small {
+        padding: .5rem;
+      }
+
+      .padding-large {
+        padding: 2rem;
+      }
+    }
+  }
+
+  @include describe("global $enable-important-utilities: true") {
+    @include it("sets !important") {
+      $enable-important-utilities: true !global;
+
+      @include test-generate-utility(
+        (
+          property: "padding",
+          values: (small: .5rem, large: 2rem)
+        )
+      ) {
+        .padding-small {
+          padding: .5rem !important;
+        }
+
+        .padding-large {
+          padding: 2rem !important;
+        }
+      }
+
+      $enable-important-utilities: false !global;
+    }
+  }
+
+  @include describe("$utility") {
+    @include describe("values") {
+      @include it("supports null keys") {
+        @include test-generate-utility(
+          (
+            property: "padding",
+            values: (null: 1rem, small: .5rem, large: 2rem)
+          ),
+        ) {
+          .padding {
+            padding: 1rem;
+          }
+
+          .padding-small {
+            padding: .5rem;
+          }
+
+          .padding-large {
+            padding: 2rem;
+          }
+        }
+      }
+
+      @include it("ignores null values") {
+        @include test-generate-utility(
+          (
+            property: "padding",
+            values: (small: null, large: 2rem)
+          )
+        ) {
+          .padding-large {
+            padding: 2rem;
+          }
+        }
+      }
+
+      @include it("supports lists") {
+        @include test-generate-utility(
+          (
+            property: "padding",
+            values: 1rem 2rem
+          )
+        ) {
+          .padding-1rem {
+            padding: 1rem;
+          }
+
+          .padding-2rem {
+            padding: 2rem;
+          }
+        }
+      }
+
+      @include it("supports single values") {
+        @include test-generate-utility(
+          (
+            property: padding,
+            values: 1rem
+          )
+        ) {
+          .padding-1rem {
+            padding: 1rem;
+          }
+        }
+      }
+    }
+
+    @include describe("class & property") {
+      @include it("adds each property to the declaration") {
+        @include test-generate-utility(
+          (
+            class: padding-x,
+            property: padding-inline-start padding-inline-end,
+            values: 1rem
+          )
+        ) {
+          .padding-x-1rem {
+            padding-inline-start: 1rem;
+            padding-inline-end: 1rem;
+          }
+        }
+      }
+
+      @include it("uses the first property as class name") {
+        @include test-generate-utility(
+          (
+            property: padding-inline-start padding-inline-end,
+            values: 1rem
+          )
+        ) {
+          .padding-inline-start-1rem {
+            padding-inline-start: 1rem;
+            padding-inline-end: 1rem;
+          }
+        }
+      }
+
+      @include it("supports a null class to create classes straight from the values") {
+        @include test-generate-utility(
+          (
+            property: visibility,
+            class: null,
+            values: (
+              visible: visible,
+              invisible: hidden,
+            )
+          )
+        ) {
+          .visible {
+            visibility: visible;
+          }
+
+          .invisible {
+            visibility: hidden;
+          }
+        }
+      }
+    }
+
+    @include describe("state") {
+      @include it("Generates selectors for each states") {
+        @include test-generate-utility(
+          (
+            property: padding,
+            values: 1rem,
+            state: hover focus,
+          )
+        ) {
+          .padding-1rem {
+            padding: 1rem;
+          }
+
+          .padding-1rem-hover:hover {
+            padding: 1rem;
+          }
+
+          .padding-1rem-focus:focus {
+            padding: 1rem;
+          }
+        }
+      }
+    }
+
+    @include describe("css-var"){
+      @include it("sets a CSS variable instead of the property") {
+        @include test-generate-utility(
+          (
+            property: padding,
+            css-variable-name: padding,
+            css-var: true,
+            values: 1rem 2rem
+          )
+        ) {
+          .padding-1rem {
+            --bs-padding: 1rem;
+          }
+
+          .padding-2rem {
+            --bs-padding: 2rem;
+          }
+        }
+      }
+
+      @include it("defaults to class") {
+        @include test-generate-utility(
+          (
+            property: padding,
+            class: padding,
+            css-var: true,
+            values: 1rem 2rem
+          )
+        ) {
+          .padding-1rem {
+            --bs-padding: 1rem;
+          }
+
+          .padding-2rem {
+            --bs-padding: 2rem;
+          }
+        }
+      }
+    }
+
+    @include describe("local-vars") {
+      @include it("generates the listed variables") {
+        @include test-generate-utility(
+          (
+            property: color,
+            class: desaturated-color,
+            local-vars: (
+              color-opacity: 1,
+              color-saturation: .25
+            ),
+            values: (
+              blue: hsla(192deg, var(--bs-color-saturation), 0, var(--bs-color-opacity))
+            )
+          )
+        ) {
+          .desaturated-color-blue {
+            --bs-color-opacity: 1;
+            // Sass compilation will put a leading zero so we want to keep that one
+            // stylelint-disable-next-line stylistic/number-leading-zero
+            --bs-color-saturation: 0.25;
+            color: hsla(192deg, var(--bs-color-saturation), 0, var(--bs-color-opacity));
+          }
+        }
+      }
+    }
+
+    @include describe("css-var & state") {
+      @include it("Generates a rule with for each state with a CSS variable") {
+        @include test-generate-utility(
+          (
+            property: padding,
+            css-var: true,
+            css-variable-name: padding,
+            values: 1rem,
+            state: hover focus,
+          )
+        ) {
+          .padding-1rem {
+            --bs-padding: 1rem;
+          }
+
+          .padding-1rem-hover:hover {
+            --bs-padding: 1rem;
+          }
+
+          .padding-1rem-focus:focus {
+            --bs-padding: 1rem;
+          }
+        }
+      }
+    }
+
+    @include describe("rtl") {
+      @include it("sets up RTLCSS for removal when false") {
+        @include test-generate-utility(
+          (
+            property: padding,
+            values: 1rem,
+            rtl: false
+          )
+        ) {
+          /* rtl:begin:remove */
+
+          .padding-1rem {
+            padding: 1rem;
+          }
+
+          /* rtl:end:remove */
+
+        }
+      }
+    }
+
+    @include describe("rfs") {
+      @include it("sets the fluid value when not inside media query") {
+        @include test-generate-utility(
+          (
+            property: padding,
+            values: 1rem,
+            rfs: true
+          )
+        ) {
+          .padding-1rem {
+            padding: rfs-fluid-value(1rem);
+          }
+        }
+      }
+
+      @include it("sets the value when inside the media query") {
+        @include test-generate-utility(
+          (
+            property: padding,
+            values: 1rem,
+            rfs: true
+          ),
+          $is-rfs-media-query: true
+        ) {
+          .padding-1rem {
+            padding: rfs-value(1rem);
+          }
+        }
+      }
+    }
+  }
+
+  @include describe("$infix") {
+    @include it("inserts the given infix") {
+      @include test-generate-utility(
+        (
+          property: "padding",
+          values: (null: 1rem, small: .5rem, large: 2rem)
+        ),
+        $infix: -sm
+      ) {
+        .padding-sm {
+          padding: 1rem;
+        }
+
+        .padding-sm-small {
+          padding: .5rem;
+        }
+
+        .padding-sm-large {
+          padding: 2rem;
+        }
+      }
+    }
+
+    @include it("strips leading - if class is null") {
+      @include test-generate-utility(
+        (
+          property: visibility,
+          class: null,
+          values: (
+            visible: visible,
+            invisible: hidden,
+          )
+        ),
+        -sm
+      ) {
+        .sm-visible {
+          visibility: visible;
+        }
+
+        .sm-invisible {
+          visibility: hidden;
+        }
+      }
+    }
+  }
+}
--- a/_sass/bootstrap/tests/sass-true/register.js
+++ b/_sass/bootstrap/tests/sass-true/register.js
@ -0,0 +1,14 @@
+'use strict'
+
+const path = require('node:path')
+
+const runnerPath = path.join(__dirname, 'runner').replace(/\\/g, '/')
+
+require.extensions['.scss'] = (module, filename) => {
+  const normalizedFilename = filename.replace(/\\/g, '/')
+
+  return module._compile(`
+    const runner = require('${runnerPath}')
+    runner('${normalizedFilename}', { describe, it })
+    `, filename)
+}
--- a/_sass/bootstrap/tests/sass-true/runner.js
+++ b/_sass/bootstrap/tests/sass-true/runner.js
@ -0,0 +1,17 @@
+'use strict'
+
+const fs = require('node:fs')
+const path = require('node:path')
+const { runSass } = require('sass-true')
+
+module.exports = (filename, { describe, it }) => {
+  const data = fs.readFileSync(filename, 'utf8')
+  const TRUE_SETUP = '$true-terminal-output: false; @import "true";'
+  const sassString = TRUE_SETUP + data
+
+  runSass(
+    { describe, it, sourceType: 'string' },
+    sassString,
+    { loadPaths: [path.dirname(filename)] }
+  )
+}
--- a/_sass/bootstrap/tests/utilities/_api.test.scss
+++ b/_sass/bootstrap/tests/utilities/_api.test.scss
@ -0,0 +1,75 @@
+@import "../../functions";
+@import "../../variables";
+@import "../../variables-dark";
+@import "../../maps";
+@import "../../mixins";
+
+$utilities: ();
+
+@include describe("utilities/api") {
+  @include it("generates utilities for each breakpoints") {
+    $utilities: (
+      margin: (
+        property: margin,
+        values: auto
+      ),
+      padding: (
+        property: padding,
+        responsive: true,
+        values: 1rem
+      ),
+      font-size: (
+        property: font-size,
+        values: (large: 1.25rem),
+        print: true
+      )
+    ) !global;
+
+    $grid-breakpoints: (
+      xs: 0,
+      sm: 333px,
+      md: 666px
+    ) !global;
+
+    @include assert() {
+      @include output() {
+        @import "../../utilities/api";
+      }
+
+      @include expect() {
+        // margin is not set to responsive
+        .margin-auto {
+          margin: auto !important;
+        }
+
+        // padding is, though
+        .padding-1rem {
+          padding: 1rem !important;
+        }
+
+        .font-size-large {
+          font-size: 1.25rem !important;
+        }
+
+        @media (min-width: 333px) {
+          .padding-sm-1rem {
+            padding: 1rem !important;
+          }
+        }
+
+        @media (min-width: 666px) {
+          .padding-md-1rem {
+            padding: 1rem !important;
+          }
+        }
+
+        @media print {
+          .font-size-print-large {
+            font-size: 1.25rem !important;
+          }
+        }
+      }
+
+    }
+  }
+}
--- a/_sass/bootstrap/vendor/_rfs.scss
+++ b/_sass/bootstrap/vendor/_rfs.scss
@ -0,0 +1,348 @@
+// stylelint-disable scss/dimension-no-non-numeric-values
+
+// SCSS RFS mixin
+//
+// Automated responsive values for font sizes, paddings, margins and much more
+//
+// Licensed under MIT (https://github.com/twbs/rfs/blob/main/LICENSE)
+
+// Configuration
+
+// Base value
+$rfs-base-value: 1.25rem !default;
+$rfs-unit: rem !default;
+
+@if $rfs-unit != rem and $rfs-unit != px {
+  @error "`#{$rfs-unit}` is not a valid unit for $rfs-unit. Use `px` or `rem`.";
+}
+
+// Breakpoint at where values start decreasing if screen width is smaller
+$rfs-breakpoint: 1200px !default;
+$rfs-breakpoint-unit: px !default;
+
+@if $rfs-breakpoint-unit != px and $rfs-breakpoint-unit != em and $rfs-breakpoint-unit != rem {
+  @error "`#{$rfs-breakpoint-unit}` is not a valid unit for $rfs-breakpoint-unit. Use `px`, `em` or `rem`.";
+}
+
+// Resize values based on screen height and width
+$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  $rfs-factor, it must be greater than 1.";
+}
+
+// Mode. Possibilities: "min-media-query", "max-media-query"
+$rfs-mode: min-media-query !default;
+
+// 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 $enable-rfs to false
+$enable-rfs: true !default;
+
+// Cache $rfs-base-value unit
+$rfs-base-value-unit: unit($rfs-base-value);
+
+@function divide($dividend, $divisor, $precision: 10) {
+  $sign: if($dividend > 0 and $divisor > 0 or $dividend < 0 and $divisor < 0, 1, -1);
+  $dividend: abs($dividend);
+  $divisor: abs($divisor);
+  @if $dividend == 0 {
+    @return 0;
+  }
+  @if $divisor == 0 {
+    @error "Cannot divide by 0";
+  }
+  $remainder: $dividend;
+  $result: 0;
+  $factor: 10;
+  @while ($remainder > 0 and $precision >= 0) {
+    $quotient: 0;
+    @while ($remainder >= $divisor) {
+      $remainder: $remainder - $divisor;
+      $quotient: $quotient + 1;
+    }
+    $result: $result * 10 + $quotient;
+    $factor: $factor * .1;
+    $remainder: $remainder * 10;
+    $precision: $precision - 1;
+    @if ($precision < 0 and $remainder >= $divisor * 5) {
+      $result: $result + 1;
+    }
+  }
+  $result: $result * $factor * $sign;
+  $dividend-unit: unit($dividend);
+  $divisor-unit: unit($divisor);
+  $unit-map: (
+    "px": 1px,
+    "rem": 1rem,
+    "em": 1em,
+    "%": 1%
+  );
+  @if ($dividend-unit != $divisor-unit and map-has-key($unit-map, $dividend-unit)) {
+    $result: $result * map-get($unit-map, $dividend-unit);
+  }
+  @return $result;
+}
+
+// Remove px-unit from $rfs-base-value for calculations
+@if $rfs-base-value-unit == px {
+  $rfs-base-value: divide($rfs-base-value, $rfs-base-value * 0 + 1);
+}
+@else if $rfs-base-value-unit == rem {
+  $rfs-base-value: divide($rfs-base-value, divide($rfs-base-value * 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 {
+  $rfs-breakpoint: divide($rfs-breakpoint, $rfs-breakpoint * 0 + 1);
+}
+@else if $rfs-breakpoint-unit-cache == rem or $rfs-breakpoint-unit-cache == "em" {
+  $rfs-breakpoint: divide($rfs-breakpoint, divide($rfs-breakpoint * 0 + 1, $rfs-rem-value));
+}
+
+// Calculate the media query value
+$rfs-mq-value: if($rfs-breakpoint-unit == px, #{$rfs-breakpoint}px, #{divide($rfs-breakpoint, $rfs-rem-value)}#{$rfs-breakpoint-unit});
+$rfs-mq-property-width: if($rfs-mode == max-media-query, max-width, min-width);
+$rfs-mq-property-height: if($rfs-mode == max-media-query, max-height, min-height);
+
+// Internal mixin used to determine which media query needs to be used
+@mixin _rfs-media-query {
+  @if $rfs-two-dimensional {
+    @if $rfs-mode == max-media-query {
+      @media (#{$rfs-mq-property-width}: #{$rfs-mq-value}), (#{$rfs-mq-property-height}: #{$rfs-mq-value}) {
+        @content;
+      }
+    }
+    @else {
+      @media (#{$rfs-mq-property-width}: #{$rfs-mq-value}) and (#{$rfs-mq-property-height}: #{$rfs-mq-value}) {
+        @content;
+      }
+    }
+  }
+  @else {
+    @media (#{$rfs-mq-property-width}: #{$rfs-mq-value}) {
+      @content;
+    }
+  }
+}
+
+// Internal mixin that adds disable classes to the selector if needed.
+@mixin _rfs-rule {
+  @if $rfs-class == disable and $rfs-mode == max-media-query {
+    // Adding an extra class increases specificity, which prevents the media query to override the property
+    &,
+    .disable-rfs &,
+    &.disable-rfs {
+      @content;
+    }
+  }
+  @else if $rfs-class == enable and $rfs-mode == min-media-query {
+    .enable-rfs &,
+    &.enable-rfs {
+      @content;
+    }
+  } @else {
+    @content;
+  }
+}
+
+// Internal mixin that adds enable classes to the selector if needed.
+@mixin _rfs-media-query-rule {
+
+  @if $rfs-class == enable {
+    @if $rfs-mode == min-media-query {
+      @content;
+    }
+
+    @include _rfs-media-query () {
+      .enable-rfs &,
+      &.enable-rfs {
+        @content;
+      }
+    }
+  }
+  @else {
+    @if $rfs-class == disable and $rfs-mode == min-media-query {
+      .disable-rfs &,
+      &.disable-rfs {
+        @content;
+      }
+    }
+    @include _rfs-media-query () {
+      @content;
+    }
+  }
+}
+
+// Helper function to get the formatted non-responsive value
+@function rfs-value($values) {
+  // Convert to list
+  $values: if(type-of($values) != list, ($values,), $values);
+
+  $val: "";
+
+  // Loop over each value and calculate value
+  @each $value in $values {
+    @if $value == 0 {
+      $val: $val + " 0";
+    }
+    @else {
+      // Cache $value unit
+      $unit: if(type-of($value) == "number", unit($value), false);
+
+      @if $unit == px {
+        // Convert to rem if needed
+        $val: $val + " " + if($rfs-unit == rem, #{divide($value, $value * 0 + $rfs-rem-value)}rem, $value);
+      }
+      @else if $unit == rem {
+        // Convert to px if needed
+        $val: $val + " " + if($rfs-unit == px, #{divide($value, $value * 0 + 1) * $rfs-rem-value}px, $value);
+      } @else {
+        // If $value isn't a number (like inherit) or $value has a unit (not px or rem, like 1.5em) or $ is 0, just print the value
+        $val: $val + " " + $value;
+      }
+    }
+  }
+
+  // Remove first space
+  @return unquote(str-slice($val, 2));
+}
+
+// Helper function to get the responsive value calculated by RFS
+@function rfs-fluid-value($values) {
+  // Convert to list
+  $values: if(type-of($values) != list, ($values,), $values);
+
+  $val: "";
+
+  // Loop over each value and calculate value
+  @each $value in $values {
+    @if $value == 0 {
+      $val: $val + " 0";
+    } @else {
+      // Cache $value unit
+      $unit: if(type-of($value) == "number", unit($value), false);
+
+      // If $value isn't a number (like inherit) or $value has a unit (not px or rem, like 1.5em) or $ is 0, just print the value
+      @if not $unit or $unit != px and $unit != rem {
+        $val: $val + " " + $value;
+      } @else {
+        // Remove unit from $value for calculations
+        $value: divide($value, $value * 0 + if($unit == px, 1, divide(1, $rfs-rem-value)));
+
+        // Only add the media query if the value is greater than the minimum value
+        @if abs($value) <= $rfs-base-value or not $enable-rfs {
+          $val: $val + " " + if($rfs-unit == rem, #{divide($value, $rfs-rem-value)}rem, #{$value}px);
+        }
+        @else {
+          // Calculate the minimum value
+          $value-min: $rfs-base-value + divide(abs($value) - $rfs-base-value, $rfs-factor);
+
+          // Calculate difference between $value and the minimum value
+          $value-diff: abs($value) - $value-min;
+
+          // Base value formatting
+          $min-width: if($rfs-unit == rem, #{divide($value-min, $rfs-rem-value)}rem, #{$value-min}px);
+
+          // Use negative value if needed
+          $min-width: if($value < 0, -$min-width, $min-width);
+
+          // Use `vmin` if two-dimensional is enabled
+          $variable-unit: if($rfs-two-dimensional, vmin, vw);
+
+          // Calculate the variable width between 0 and $rfs-breakpoint
+          $variable-width: #{divide($value-diff * 100, $rfs-breakpoint)}#{$variable-unit};
+
+          // Return the calculated value
+          $val: $val + " calc(" + $min-width + if($value < 0, " - ", " + ") + $variable-width + ")";
+        }
+      }
+    }
+  }
+
+  // Remove first space
+  @return unquote(str-slice($val, 2));
+}
+
+// RFS mixin
+@mixin rfs($values, $property: font-size) {
+  @if $values != null {
+    $val: rfs-value($values);
+    $fluid-val: rfs-fluid-value($values);
+
+    // Do not print the media query if responsive & non-responsive values are the same
+    @if $val == $fluid-val {
+      #{$property}: $val;
+    }
+    @else {
+      @include _rfs-rule () {
+        #{$property}: if($rfs-mode == max-media-query, $val, $fluid-val);
+
+        // Include safari iframe resize fix if needed
+        min-width: if($rfs-safari-iframe-resize-bug-fix, (0 * 1vw), null);
+      }
+
+      @include _rfs-media-query-rule () {
+        #{$property}: if($rfs-mode == max-media-query, $fluid-val, $val);
+      }
+    }
+  }
+}
+
+// Shorthand helper mixins
+@mixin font-size($value) {
+  @include rfs($value);
+}
+
+@mixin padding($value) {
+  @include rfs($value, padding);
+}
+
+@mixin padding-top($value) {
+  @include rfs($value, padding-top);
+}
+
+@mixin padding-right($value) {
+  @include rfs($value, padding-right);
+}
+
+@mixin padding-bottom($value) {
+  @include rfs($value, padding-bottom);
+}
+
+@mixin padding-left($value) {
+  @include rfs($value, padding-left);
+}
+
+@mixin margin($value) {
+  @include rfs($value, margin);
+}
+
+@mixin margin-top($value) {
+  @include rfs($value, margin-top);
+}
+
+@mixin margin-right($value) {
+  @include rfs($value, margin-right);
+}
+
+@mixin margin-bottom($value) {
+  @include rfs($value, margin-bottom);
+}
+
+@mixin margin-left($value) {
+  @include rfs($value, margin-left);
+}
--- a/index.html
+++ b/index.html
@ -13,7 +13,7 @@ nav_pill: home
            Mac or Linux and it is also NOT necessary to have a PC MASTERRACE setup
            to run those games.
          </p>
-          <p>This concept was originally started at <a href="https://onfoss.hribhrib.at/">hribhrib.at</a></p>
+          <p>This concept was originally started at <a target="_blank" href="https://hribhrib.at/">hribhrib.at</a></p>
          <h1>Next event</h1>
          {% assign sitetime = site.time | date: "%FT%T" %}
          {% assign upcoming = site.data.events | where_exp: "item", "item.date >= sitetime" | last %}
@ -28,15 +28,15 @@ nav_pill: home
          <p>We also have regular text chat for any time use. You can choose the protocol you like and the program you like, they all point to the same thing in the end</p>
          <ul>
            <li>Matrix chat on <a href="https://matrix.to/#/#irc_#onfoss:matrix.f-hub.org">#irc_#onfoss:matrix.f-hub.org</a></li>
-            <li>XMPP chat on <a href="https://xmpp.f-hub.org/##onfoss@irc.f-hub.org?join">#onfoss@irc.freegamedev.net</a></li>
+            <li>XMPP chat on <a href="https://xmpp.f-hub.org/##onfoss@irc.f-hub.org?join">#onfoss@irc.f-hub.org</a></li>
            <li>IRC chat on <a href="ircs://irc.freegamedev.net:6697/#onfoss">#onfoss@irc.freegamedev.net</a></li>
          </ul>
          <p>See the <a href="help.html">help page</a> for more information on how to connect to these services.</p>
          <h2>Social Media</h2>
          <p>Finally, we are also on various social media<p>
          <ul>
-            <li>Mastodon on <a rel="me" href="https://fosstodon.org/@onfoss">Fosstodon</a></li>
-            <li>PeerTube on TBD</li>
+            <li>Mastodon on <a rel="me" target="_blank" href="https://fosstodon.org/@onfoss">Fosstodon</a></li>
+            <li>PeerTube on <a rel="me" target="_blank" href="https://peertube.linuxrocks.online/@onfoss">LinuxRocks</a></li>
            <li>RSS on <a href="{{ site.url }}/feed.xml">here</a> (copy this link to your favourite RSS reader)</li>
          </ul>
          <h1>Hosts</h1>
Author	SHA1	Message	Date
c	bd10b00f95	add proper readme file	2023-06-08 15:36:43 +02:00
c	da6fa1a0e8	add peertube to mainpage and add opening in new tabs to websites outside onfoss.org	2023-06-08 15:28:23 +02:00
c	f9ccff927c	fix wrong url displayed for the xmpp channel	2023-06-08 15:23:32 +02:00
c	7eac83f955	upgrade to bootstrap 5.3.0	2023-06-08 15:20:45 +02:00
c	c44f47760b	change gitignore to allow bootstrap to be part of the repo	2023-06-08 15:18:59 +02:00