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// The dropdown wrapper (`<div>`)

.dropup,

.dropend,

.dropdown,

.dropstart,

.dropup-center,

.dropdown-center {

  position: relative;

}

.dropdown-toggle {

  white-space: nowrap;

  // Generate the caret automatically

  @include caret();

}

// The dropdown menu

.dropdown-menu {

  // scss-docs-start dropdown-css-vars

  --#{$prefix}dropdown-zindex: #{$zindex-dropdown};

  --#{$prefix}dropdown-min-width: #{$dropdown-min-width};

  --#{$prefix}dropdown-padding-x: #{$dropdown-padding-x};

  --#{$prefix}dropdown-padding-y: #{$dropdown-padding-y};

  --#{$prefix}dropdown-spacer: #{$dropdown-spacer};

  @include rfs($dropdown-font-size, --#{$prefix}dropdown-font-size);

  --#{$prefix}dropdown-color: #{$dropdown-color};

  --#{$prefix}dropdown-bg: #{$dropdown-bg};

  --#{$prefix}dropdown-border-color: #{$dropdown-border-color};

  --#{$prefix}dropdown-border-radius: #{$dropdown-border-radius};

  --#{$prefix}dropdown-border-width: #{$dropdown-border-width};

  --#{$prefix}dropdown-inner-border-radius: #{$dropdown-inner-border-radius};

  --#{$prefix}dropdown-divider-bg: #{$dropdown-divider-bg};

  --#{$prefix}dropdown-divider-margin-y: #{$dropdown-divider-margin-y};

  --#{$prefix}dropdown-box-shadow: #{$dropdown-box-shadow};

  --#{$prefix}dropdown-link-color: #{$dropdown-link-color};

  --#{$prefix}dropdown-link-hover-color: #{$dropdown-link-hover-color};

  --#{$prefix}dropdown-link-hover-bg: #{$dropdown-link-hover-bg};

  --#{$prefix}dropdown-link-active-color: #{$dropdown-link-active-color};

  --#{$prefix}dropdown-link-active-bg: #{$dropdown-link-active-bg};

  --#{$prefix}dropdown-link-disabled-color: #{$dropdown-link-disabled-color};

  --#{$prefix}dropdown-item-padding-x: #{$dropdown-item-padding-x};

  --#{$prefix}dropdown-item-padding-y: #{$dropdown-item-padding-y};

  --#{$prefix}dropdown-header-color: #{$dropdown-header-color};

  --#{$prefix}dropdown-header-padding-x: #{$dropdown-header-padding-x};

  --#{$prefix}dropdown-header-padding-y: #{$dropdown-header-padding-y};

  // scss-docs-end dropdown-css-vars

  position: absolute;

  z-index: var(--#{$prefix}dropdown-zindex);

  display: none; // none by default, but block on "open" of the menu

  min-width: var(--#{$prefix}dropdown-min-width);

  padding: var(--#{$prefix}dropdown-padding-y) var(--#{$prefix}dropdown-padding-x);

  margin: 0; // Override default margin of ul

  @include font-size(var(--#{$prefix}dropdown-font-size));

  color: var(--#{$prefix}dropdown-color);

  text-align: left; // Ensures proper alignment if parent has it changed (e.g., modal footer)

  list-style: none;

  background-color: var(--#{$prefix}dropdown-bg);

  background-clip: padding-box;

  border: var(--#{$prefix}dropdown-border-width) solid var(--#{$prefix}dropdown-border-color);

  @include border-radius(var(--#{$prefix}dropdown-border-radius));

  @include box-shadow(var(--#{$prefix}dropdown-box-shadow));

  &[data-bs-popper] {

    top: 100%;

    left: 0;

    margin-top: var(--#{$prefix}dropdown-spacer);

  }

  @if $dropdown-padding-y == 0 {

    > .dropdown-item:first-child,

    > li:first-child .dropdown-item {

      @include border-top-radius(var(--#{$prefix}dropdown-inner-border-radius));

    }

    > .dropdown-item:last-child,

    > li:last-child .dropdown-item {

      @include border-bottom-radius(var(--#{$prefix}dropdown-inner-border-radius));

    }

  }

}

// scss-docs-start responsive-breakpoints

// We deliberately hardcode the `bs-` prefix because we check

// this custom property in JS to determine Popper's positioning

@each $breakpoint in map-keys($grid-breakpoints) {

  @include media-breakpoint-up($breakpoint) {

    $infix: breakpoint-infix($breakpoint, $grid-breakpoints);

    .dropdown-menu#{$infix}-start {

      --bs-position: start;

      &[data-bs-popper] {

        right: auto;

        left: 0;

      }

    }

    .dropdown-menu#{$infix}-end {

      --bs-position: end;

      &[data-bs-popper] {

        right: 0;

        left: auto;

      }

    }

  }

}

// scss-docs-end responsive-breakpoints

// Allow for dropdowns to go bottom up (aka, dropup-menu)

// Just add .dropup after the standard .dropdown class and you're set.

.dropup {

  .dropdown-menu[data-bs-popper] {

    top: auto;

    bottom: 100%;

    margin-top: 0;

    margin-bottom: var(--#{$prefix}dropdown-spacer);

  }

  .dropdown-toggle {

    @include caret(up);

  }

}

.dropend {

  .dropdown-menu[data-bs-popper] {

    top: 0;

    right: auto;

    left: 100%;

    margin-top: 0;

    margin-left: var(--#{$prefix}dropdown-spacer);

  }

  .dropdown-toggle {

    @include caret(end);

    &::after {

      vertical-align: 0;

    }

  }

}

.dropstart {

  .dropdown-menu[data-bs-popper] {

    top: 0;

    right: 100%;

    left: auto;

    margin-top: 0;

    margin-right: var(--#{$prefix}dropdown-spacer);

  }

  .dropdown-toggle {

    @include caret(start);

    &::before {

      vertical-align: 0;

    }

  }

}

// Dividers (basically an `<hr>`) within the dropdown

.dropdown-divider {

  height: 0;

  margin: var(--#{$prefix}dropdown-divider-margin-y) 0;

  overflow: hidden;

  border-top: 1px solid var(--#{$prefix}dropdown-divider-bg);

  opacity: 1; // Revisit in v6 to de-dupe styles that conflict with <hr> element

}

// Links, buttons, and more within the dropdown menu

//

// `<button>`-specific styles are denoted with `// For <button>s`

.dropdown-item {

  display: block;

  width: 100%; // For `<button>`s

  padding: var(--#{$prefix}dropdown-item-padding-y) var(--#{$prefix}dropdown-item-padding-x);

  clear: both;

  font-weight: $font-weight-normal;

  color: var(--#{$prefix}dropdown-link-color);

  text-align: inherit; // For `<button>`s

  text-decoration: if($link-decoration == none, null, none);

  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 {

    color: var(--#{$prefix}dropdown-link-hover-color);

    text-decoration: if($link-hover-decoration == underline, none, null);

    @include gradient-bg(var(--#{$prefix}dropdown-link-hover-bg));

  }

  &.active,

  &:active {

    color: var(--#{$prefix}dropdown-link-active-color);

    text-decoration: none;

    @include gradient-bg(var(--#{$prefix}dropdown-link-active-bg));

  }

  &.disabled,

  &:disabled {

    color: var(--#{$prefix}dropdown-link-disabled-color);

    pointer-events: none;

    background-color: transparent;

    // Remove CSS gradients if they're enabled

    background-image: if($enable-gradients, none, null);

  }

}

.dropdown-menu.show {

  display: block;

}

// Dropdown section headers

.dropdown-header {

  display: block;

  padding: var(--#{$prefix}dropdown-header-padding-y) var(--#{$prefix}dropdown-header-padding-x);

  margin-bottom: 0; // for use with heading elements

  @include font-size($font-size-sm);

  color: var(--#{$prefix}dropdown-header-color);

  white-space: nowrap; // as with > li > a

}

// Dropdown text

.dropdown-item-text {

  display: block;

  padding: var(--#{$prefix}dropdown-item-padding-y) var(--#{$prefix}dropdown-item-padding-x);

  color: var(--#{$prefix}dropdown-link-color);

}

// Dark dropdowns

.dropdown-menu-dark {

  // scss-docs-start dropdown-dark-css-vars

  --#{$prefix}dropdown-color: #{$dropdown-dark-color};

  --#{$prefix}dropdown-bg: #{$dropdown-dark-bg};

  --#{$prefix}dropdown-border-color: #{$dropdown-dark-border-color};

  --#{$prefix}dropdown-box-shadow: #{$dropdown-dark-box-shadow};

  --#{$prefix}dropdown-link-color: #{$dropdown-dark-link-color};

  --#{$prefix}dropdown-link-hover-color: #{$dropdown-dark-link-hover-color};

  --#{$prefix}dropdown-divider-bg: #{$dropdown-dark-divider-bg};

  --#{$prefix}dropdown-link-hover-bg: #{$dropdown-dark-link-hover-bg};

  --#{$prefix}dropdown-link-active-color: #{$dropdown-dark-link-active-color};

  --#{$prefix}dropdown-link-active-bg: #{$dropdown-dark-link-active-bg};

  --#{$prefix}dropdown-link-disabled-color: #{$dropdown-dark-link-disabled-color};

  --#{$prefix}dropdown-header-color: #{$dropdown-dark-header-color};

  // scss-docs-end dropdown-dark-css-vars

}