pico/scss/components/_tooltip.scss

@use "sass:map";
@use "../settings" as *;

@if map.get($modules, "components/tooltip") {
  /**
   * Tooltip ([data-tooltip])
   */

  #{$parent-selector} [data-tooltip] {
    position: relative;

    &:not(a, button, input) {
      border-bottom: 1px dotted;
      text-decoration: none;
      cursor: help;
    }

    &[data-placement="top"]::before,
    &[data-placement="top"]::after,
    &::before,
    &::after {
      display: block;
      z-index: 99;
      position: absolute;
      bottom: 100%;
      left: 50%;
      padding: 0.25rem 0.5rem;
      overflow: hidden;
      transform: translate(-50%, -0.25rem);
      border-radius: var(#{$css-var-prefix}border-radius);
      background: var(#{$css-var-prefix}tooltip-background-color);
      content: attr(data-tooltip);
      color: var(#{$css-var-prefix}tooltip-color);
      font-style: normal;
      font-weight: var(#{$css-var-prefix}font-weight);
      font-size: 0.875rem;
      text-decoration: none;
      text-overflow: ellipsis;
      white-space: nowrap;
      opacity: 0;
      pointer-events: none;
    }

    // Caret
    &[data-placement="top"]::after,
    &::after {
      padding: 0;
      transform: translate(-50%, 0rem);
      border-top: 0.3rem solid;
      border-right: 0.3rem solid transparent;
      border-left: 0.3rem solid transparent;
      border-radius: 0;
      background-color: transparent;
      content: "";
      color: var(#{$css-var-prefix}tooltip-background-color);
    }

    &[data-placement="bottom"] {
      &::before,
      &::after {
        top: 100%;
        bottom: auto;
        transform: translate(-50%, 0.25rem);
      }

      &:after {
        transform: translate(-50%, -0.3rem);
        border: 0.3rem solid transparent;
        border-bottom: 0.3rem solid;
      }
    }

    &[data-placement="left"] {
      &::before,
      &::after {
        top: 50%;
        right: 100%;
        bottom: auto;
        left: auto;
        transform: translate(-0.25rem, -50%);
      }

      &:after {
        transform: translate(0.3rem, -50%);
        border: 0.3rem solid transparent;
        border-left: 0.3rem solid;
      }
    }

    &[data-placement="right"] {
      &::before,
      &::after {
        top: 50%;
        right: auto;
        bottom: auto;
        left: 100%;
        transform: translate(0.25rem, -50%);
      }

      &:after {
        transform: translate(-0.3rem, -50%);
        border: 0.3rem solid transparent;
        border-right: 0.3rem solid;
      }
    }

    // Display
    &:focus,
    &:hover {
      &::before,
      &::after {
        opacity: 1;
      }
    }

    @if $enable-transitions {
      // Animations, excluding touch devices
      @media (hover: hover) and (pointer: fine) {
        // Default (top)
        &:focus,
        &:hover {
          &::before,
          &::after {
            #{$css-var-prefix}tooltip-slide-to: translate(-50%, -0.25rem);
            transform: translate(-50%, 0.75rem);
            animation-duration: 0.2s;
            animation-fill-mode: forwards;
            animation-name: tooltip-slide;
            opacity: 0;
          }

          &::after {
            #{$css-var-prefix}tooltip-caret-slide-to: translate(-50%, 0rem);
            transform: translate(-50%, -0.25rem);
            animation-name: tooltip-caret-slide;
          }
        }

        // Bottom
        &[data-placement="bottom"] {
          &:focus,
          &:hover {
            &::before,
            &::after {
              #{$css-var-prefix}tooltip-slide-to: translate(-50%, 0.25rem);
              transform: translate(-50%, -0.75rem);
              animation-name: tooltip-slide;
            }

            &::after {
              #{$css-var-prefix}tooltip-caret-slide-to: translate(-50%, -0.3rem);
              transform: translate(-50%, -0.5rem);
              animation-name: tooltip-caret-slide;
            }
          }
        }

        // Left
        &[data-placement="left"] {
          &:focus,
          &:hover {
            &::before,
            &::after {
              #{$css-var-prefix}tooltip-slide-to: translate(-0.25rem, -50%);
              transform: translate(0.75rem, -50%);
              animation-name: tooltip-slide;
            }

            &::after {
              #{$css-var-prefix}tooltip-caret-slide-to: translate(0.3rem, -50%);
              transform: translate(0.05rem, -50%);
              animation-name: tooltip-caret-slide;
            }
          }
        }

        // Right
        &[data-placement="right"] {
          &:focus,
          &:hover {
            &::before,
            &::after {
              #{$css-var-prefix}tooltip-slide-to: translate(0.25rem, -50%);
              transform: translate(-0.75rem, -50%);
              animation-name: tooltip-slide;
            }

            &::after {
              #{$css-var-prefix}tooltip-caret-slide-to: translate(-0.3rem, -50%);
              transform: translate(-0.05rem, -50%);
              animation-name: tooltip-caret-slide;
            }
          }
        }
      }

      @keyframes tooltip-slide {
        to {
          transform: var(#{$css-var-prefix}tooltip-slide-to);
          opacity: 1;
        }
      }

      @keyframes tooltip-caret-slide {
        50% {
          opacity: 0;
        }
        to {
          transform: var(#{$css-var-prefix}tooltip-caret-slide-to);
          opacity: 1;
        }
      }
    }
  }
}