scss/_tooltip.scss

@use "config" as *;
@use "functions" as *;
@use "mixins/border-radius" as *;
@use "mixins/reset-text" as *;
@use "mixins/tokens" as *;
@use "mixins/transition" as *;

$tooltip-tokens: () !default;

// scss-docs-start tooltip-tokens
// stylelint-disable-next-line scss/dollar-variable-default
$tooltip-tokens: defaults(
  (
    --tooltip-zindex: var(--z-tooltip),
    --tooltip-max-width: 200px,
    --tooltip-padding-x: var(--spacer-3),
    --tooltip-padding-y: calc(var(--spacer) * .375),
    --tooltip-font-size: var(--font-size-sm),
    --tooltip-color: var(--bg-body),
    --tooltip-bg: var(--fg-body),
    --tooltip-border-radius: var(--radius-5),
    --tooltip-opacity: .95,
    --tooltip-arrow-width: .8rem,
    --tooltip-arrow-height: .4rem,
    --tooltip-transition-property: "opacity",
    --tooltip-transition-duration: .15s,
    --tooltip-transition-timing: linear,
  ),
  $tooltip-tokens
);
// scss-docs-end tooltip-tokens

@layer components {
  .tooltip {
    @include tokens($tooltip-tokens);

    z-index: var(--tooltip-zindex);
    display: block;
    // Our parent element can be arbitrary since tooltips are by default inserted as a sibling of their target element.
    // So reset our font and text properties to avoid inheriting weird values.
    @include reset-text();
    font-size: var(--tooltip-font-size);
    // Allow breaking very long words so they don't overflow the tooltip's bounds
    word-wrap: break-word;
    opacity: 0;

    // The JS inserts the tip, so the fade needs a starting state below. Add
    // .tooltip-instant, or pass `animation: false`, to skip it.
    &:not(.tooltip-instant) {
      @include transition-props(
        var(--tooltip-transition-property),
        var(--tooltip-transition-duration),
        var(--tooltip-transition-timing)
      );
    }

    &.show { opacity: var(--tooltip-opacity); }

    .tooltip-arrow {
      display: block;
      width: var(--tooltip-arrow-width);
      height: var(--tooltip-arrow-height);

      &::before {
        position: absolute;
        content: "";
        border-color: transparent;
        border-style: solid;
      }
    }
  }

  @starting-style {
    .tooltip:not(.tooltip-instant).show {
      opacity: 0;
    }
  }

  .bs-tooltip-top .tooltip-arrow {
    bottom: calc(-1 * var(--tooltip-arrow-height));

    &::before {
      top: -1px;
      border-width: var(--tooltip-arrow-height) calc(var(--tooltip-arrow-width) * .5) 0;
      border-block-start-color: var(--tooltip-bg);
    }
  }

  .bs-tooltip-end .tooltip-arrow {
    left: calc(-1 * var(--tooltip-arrow-height));
    width: var(--tooltip-arrow-height);
    height: var(--tooltip-arrow-width);

    &::before {
      right: -1px;
      border-width: calc(var(--tooltip-arrow-width) * .5) var(--tooltip-arrow-height) calc(var(--tooltip-arrow-width) * .5) 0;
      border-inline-end-color: var(--tooltip-bg);
    }
  }

  .bs-tooltip-bottom .tooltip-arrow {
    top: calc(-1 * var(--tooltip-arrow-height));

    &::before {
      bottom: -1px;
      border-width: 0 calc(var(--tooltip-arrow-width) * .5) var(--tooltip-arrow-height);
      border-block-end-color: var(--tooltip-bg);
    }
  }

  .bs-tooltip-start .tooltip-arrow {
    right: calc(-1 * var(--tooltip-arrow-height));
    width: var(--tooltip-arrow-height);
    height: var(--tooltip-arrow-width);

    &::before {
      left: -1px;
      border-width: calc(var(--tooltip-arrow-width) * .5) 0 calc(var(--tooltip-arrow-width) * .5) var(--tooltip-arrow-height);
      border-inline-start-color: var(--tooltip-bg);
    }
  }

  .bs-tooltip-auto {
    &[data-bs-placement^="top"] {
      @extend .bs-tooltip-top;
    }
    &[data-bs-placement^="right"] {
      @extend .bs-tooltip-end;
    }
    &[data-bs-placement^="bottom"] {
      @extend .bs-tooltip-bottom;
    }
    &[data-bs-placement^="left"] {
      @extend .bs-tooltip-start;
    }
  }

  // Wrapper for the tooltip content
  .tooltip-inner {
    max-width: var(--tooltip-max-width);
    padding: var(--tooltip-padding-y) var(--tooltip-padding-x);
    color: var(--tooltip-color);
    text-align: center;
    background-color: var(--tooltip-bg);
    @include border-radius(var(--tooltip-border-radius));
  }
}