bulma/sass/components/dropdown.scss

@use "../utilities/css-variables" as cv;
@use "../utilities/initial-variables" as iv;
@use "../utilities/extends";
@use "../utilities/mixins" as mx;

$dropdown-menu-min-width: 12rem !default;

$dropdown-content-background-color: cv.getVar("scheme-main") !default;
$dropdown-content-offset: 0.25rem !default;
$dropdown-content-padding-bottom: 0.5rem !default;
$dropdown-content-padding-top: 0.5rem !default;
$dropdown-content-radius: cv.getVar("radius") !default;
$dropdown-content-shadow: cv.getVar("shadow") !default;
$dropdown-content-z: 20 !default;

$dropdown-item-h: cv.getVar("scheme-h");
$dropdown-item-s: cv.getVar("scheme-s");
$dropdown-item-l: cv.getVar("scheme-main-l");
$dropdown-item-background-l: cv.getVar("scheme-main-l");
$dropdown-item-background-l-delta: 0%;
$dropdown-item-hover-background-l-delta: cv.getVar("hover-background-l-delta");
$dropdown-item-active-background-l-delta: cv.getVar(
  "active-background-l-delta"
);
$dropdown-item-color-l: cv.getVar("text-strong-l");
$dropdown-item-selected-h: cv.getVar("link-h");
$dropdown-item-selected-s: cv.getVar("link-s");
$dropdown-item-selected-l: cv.getVar("link-l");
$dropdown-item-selected-background-l: cv.getVar("link-l");
$dropdown-item-selected-color-l: cv.getVar("link-invert-l");

$dropdown-divider-background-color: cv.getVar("border-weak") !default;

.#{iv.$class-prefix}dropdown {
  // prettier-ignore-start
  @include cv.register-vars(
    (
      "dropdown-menu-min-width": #{$dropdown-menu-min-width},
      "dropdown-content-background-color": #{$dropdown-content-background-color},
      "dropdown-content-offset": #{$dropdown-content-offset},
      "dropdown-content-padding-bottom": #{$dropdown-content-padding-bottom},
      "dropdown-content-padding-top": #{$dropdown-content-padding-top},
      "dropdown-content-radius": #{$dropdown-content-radius},
      "dropdown-content-shadow": #{$dropdown-content-shadow},
      "dropdown-content-z": #{$dropdown-content-z},
      "dropdown-item-h": #{$dropdown-item-h},
      "dropdown-item-s": #{$dropdown-item-s},
      "dropdown-item-l": #{$dropdown-item-l},
      "dropdown-item-background-l": #{$dropdown-item-background-l},
      "dropdown-item-background-l-delta": #{$dropdown-item-background-l-delta},
      "dropdown-item-hover-background-l-delta": #{$dropdown-item-hover-background-l-delta},
      "dropdown-item-active-background-l-delta": #{$dropdown-item-active-background-l-delta},
      "dropdown-item-color-l": #{$dropdown-item-color-l},
      "dropdown-item-selected-h": #{$dropdown-item-selected-h},
      "dropdown-item-selected-s": #{$dropdown-item-selected-s},
      "dropdown-item-selected-l": #{$dropdown-item-selected-l},
      "dropdown-item-selected-background-l": #{$dropdown-item-selected-background-l},
      "dropdown-item-selected-color-l": #{$dropdown-item-selected-color-l},
      "dropdown-divider-background-color": #{$dropdown-divider-background-color},
    )
  );
  // prettier-ignore-end
}

.#{iv.$class-prefix}dropdown {
  display: inline-flex;
  position: relative;
  vertical-align: top;

  &.#{iv.$class-prefix}is-active,
  &.#{iv.$class-prefix}is-hoverable:hover {
    .#{iv.$class-prefix}dropdown-menu {
      display: block;
    }
  }

  &.#{iv.$class-prefix}is-right {
    .#{iv.$class-prefix}dropdown-menu {
      left: auto;
      right: 0;
    }
  }

  &.#{iv.$class-prefix}is-up {
    .#{iv.$class-prefix}dropdown-menu {
      bottom: 100%;
      padding-bottom: cv.getVar("dropdown-content-offset");
      padding-top: initial;
      top: auto;
    }
  }
}

.#{iv.$class-prefix}dropdown-menu {
  display: none;
  @include mx.ltr-position(0, false);
  min-width: cv.getVar("dropdown-menu-min-width");
  padding-top: cv.getVar("dropdown-content-offset");
  position: absolute;
  top: 100%;
  z-index: cv.getVar("dropdown-content-z");
}

.#{iv.$class-prefix}dropdown-content {
  background-color: cv.getVar("dropdown-content-background-color");
  border-radius: cv.getVar("dropdown-content-radius");
  box-shadow: cv.getVar("dropdown-content-shadow");
  padding-bottom: cv.getVar("dropdown-content-padding-bottom");
  padding-top: cv.getVar("dropdown-content-padding-top");
}

.#{iv.$class-prefix}dropdown-item {
  color: hsl(
    #{cv.getVar("dropdown-item-h")},
    #{cv.getVar("dropdown-item-s")},
    #{cv.getVar("dropdown-item-color-l")}
  );
  display: block;
  font-size: 0.875rem;
  line-height: 1.5;
  padding: 0.375rem 1rem;
}

a.#{iv.$class-prefix}dropdown-item,
button.#{iv.$class-prefix}dropdown-item {
  background-color: hsl(
    #{cv.getVar("dropdown-item-h")},
    #{cv.getVar("dropdown-item-s")},
    calc(
      #{cv.getVar("dropdown-item-background-l")} + #{cv.getVar(
          "dropdown-item-background-l-delta"
        )}
    )
  );
  padding-inline-end: 3rem;
  text-align: inherit;
  white-space: nowrap;
  width: 100%;

  &:hover {
    @include cv.register-vars(
      (
        "dropdown-item-background-l-delta": #{cv.getVar(
            "dropdown-item-hover-background-l-delta"
          )},
        "dropdown-item-border-l-delta": #{cv.getVar(
            "dropdown-item-hover-border-l-delta"
          )},
      )
    );
  }

  &:active {
    @include cv.register-vars(
      (
        "dropdown-item-background-l-delta": #{cv.getVar(
            "dropdown-item-active-background-l-delta"
          )},
        "dropdown-item-border-l-delta": #{cv.getVar(
            "dropdown-item-active-border-l-delta"
          )},
      )
    );
  }

  &.#{iv.$class-prefix}is-active,
  &.#{iv.$class-prefix}is-selected {
    @include cv.register-vars(
      (
        "dropdown-item-h": #{cv.getVar("dropdown-item-selected-h")},
        "dropdown-item-s": #{cv.getVar("dropdown-item-selected-s")},
        "dropdown-item-l": #{cv.getVar("dropdown-item-selected-l")},
        "dropdown-item-background-l": #{cv.getVar(
            "dropdown-item-selected-background-l"
          )},
        "dropdown-item-color-l": #{cv.getVar("dropdown-item-selected-color-l")},
      )
    );
  }
}

.#{iv.$class-prefix}dropdown-divider {
  background-color: cv.getVar("dropdown-divider-background-color");
  border: none;
  display: block;
  height: 1px;
  margin: 0.5rem 0;
}