amis/scss/components/_tooltip.scss

.#{$ns}Tooltip {
  position: absolute;
  top: 0;
  left: 0;
  font-family: inherit;
  border-radius: $borderRadius;
  min-width: $Tooltip-minWidth;
  max-width: $Tooltip-maxWidth;
  text-align: left;
  white-space: normal;
  z-index: $zindex-tooltip;
  word-wrap: break-word;
  background: $Tooltip-bg;
  border: $Tooltip-borderWidth solid $Tooltip-borderColor;
  box-shadow: $Tooltip-boxShadow;

  &-arrow {
    position: absolute;
    display: block;
    width: $Tooltip-arrow-width;
    height: $Tooltip-arrow-height;
    margin-left: -$Tooltip-arrow-width/2;
    left: 50%;

    &::before,
    &::after {
      position: absolute;
      display: block;
      content: '';
      border-color: transparent;
      border-style: solid;
    }
  }

  &--top {
    margin-top: -$Tooltip-arrow-height - px2rem(2px);

    .#{$ns}Tooltip-arrow {
      bottom: ($Tooltip-arrow-height + $Tooltip-borderWidth) * -1;
    }

    .#{$ns}Tooltip-arrow::before,
    .#{$ns}Tooltip-arrow::after {
      border-width: $Tooltip-arrow-height ($Tooltip-arrow-width / 2) 0;
    }

    .#{$ns}Tooltip-arrow::before {
      bottom: 0;
      border-top-color: $Tooltip-arrow-outerColor;
    }

    .#{$ns}Tooltip-arrow::after {
      bottom: $Tooltip-borderWidth;
      border-top-color: $Tooltip-arrow-color;
    }
  }

  &--right {
    margin-left: $Tooltip-arrow-height + px2rem(2px);

    .#{$ns}Tooltip-arrow {
      left: ($Tooltip-borderWidth) * -1;
      width: $Tooltip-arrow-height;
      height: $Tooltip-arrow-width;
      margin-top: -$Tooltip-arrow-width/2;
      top: 50%;
    }

    .#{$ns}Tooltip-arrow::before,
    .#{$ns}Tooltip-arrow::after {
      border-width: ($Tooltip-arrow-width / 2) $Tooltip-arrow-height
        ($Tooltip-arrow-width / 2) 0;
    }

    .#{$ns}Tooltip-arrow::before {
      left: 0;
      border-right-color: $Tooltip-arrow-outerColor;
    }

    .#{$ns}Tooltip-arrow::after {
      left: $Tooltip-borderWidth;
      border-right-color: $Tooltip-arrow-color;
    }
  }

  &--bottom {
    margin-top: $Tooltip-arrow-height + px2rem(2px);

    .#{$ns}Tooltip-arrow {
      top: ($Tooltip-arrow-height + $Tooltip-borderWidth) * -1;
    }

    .#{$ns}Tooltip-arrow::before,
    .#{$ns}Tooltip-arrow::after {
      border-width: 0 ($Tooltip-arrow-width / 2) $Tooltip-arrow-height
        ($Tooltip-arrow-width / 2);
    }

    .#{$ns}Tooltip-arrow::before {
      top: 0;
      border-bottom-color: $Tooltip-arrow-outerColor;
    }

    .#{$ns}Tooltip-arrow::after {
      top: $Tooltip-borderWidth;
      border-bottom-color: $Tooltip-arrow-color;
    }

    // This will remove the popover-header's border just below the arrow
    .#{$ns}Tooltip-title::before {
      position: absolute;
      top: 0;
      left: 50%;
      display: block;
      width: $Tooltip-arrow-width;
      margin-left: ($Tooltip-arrow-width / -2);
      content: '';
      border-bottom: $Tooltip-borderWidth solid $Tooltip-title-bg;
    }
  }

  &--left {
    margin-left: -$Tooltip-arrow-height - px2rem(2px);

    .#{$ns}Tooltip-arrow {
      left: auto;
      right: ($Tooltip-arrow-height + $Tooltip-borderWidth) * -1;
      width: $Tooltip-arrow-height;
      height: $Tooltip-arrow-width;
      margin-top: -$Tooltip-arrow-width/2;
      top: 50%;
    }

    .#{$ns}Tooltip-arrow::before,
    .#{$ns}Tooltip-arrow::after {
      border-width: ($Tooltip-arrow-width / 2) 0 ($Tooltip-arrow-width / 2)
        $Tooltip-arrow-height;
    }

    .#{$ns}Tooltip-arrow::before {
      right: 0;
      border-left-color: $Tooltip-arrow-outerColor;
    }

    .#{$ns}Tooltip-arrow::after {
      right: $Tooltip-borderWidth;
      border-left-color: $Tooltip-arrow-color;
    }
  }

  &-title {
    padding: $Tooltip-title-paddingY $Tooltip-title-paddingX;
    margin-bottom: 0; // Reset the default from Reboot
    font-size: $fontSizeBase;
    color: $Tooltip-title-color;
    background-color: $Tooltip-title-bg;
    border-bottom: $Tooltip-borderWidth solid darken($Tooltip-title-bg, 5%);
    border-top-left-radius: $Tooltip-borderRadius - $Tooltip-borderWidth;
    border-top-right-radius: $Tooltip-borderRadius - $Tooltip-borderWidth;

    &:empty {
      display: none;
    }
  }

  &-body {
    color: $Tooltip-body-color;
    padding: $Tooltip-body-paddingY $Tooltip-body-paddingX;
  }
}

@keyframes tooltipIn {
  from {
    opacity: 0;
    margin: 0;
  }
}

[data-tooltip] {
  position: relative;

  &:after {
    pointer-events: none;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    position: absolute;
    content: attr(data-tooltip);
    font-size: $Tooltip--attr-fontSize;
    line-height: $Tooltip--attr-lineHeigt;
    text-align: left;
    white-space: normal;
    width: max-content;
    box-sizing: content-box;
    max-width: 300px;
    background: $Tooltip--attr-bg;
    border: $Tooltip--attr-borderWidth solid $Tooltip--attr-borderColor;
    border-radius: $Tooltip--attr-borderRadius;
    box-shadow: $Tooltip--attr-boxShadow;
    left: 100%;
    color: $Tooltip--attr-color;
    padding: $Tooltip--attr-paddingY $Tooltip--attr-paddingX;
    display: none;
    animation-duration: 0.2s;
    animation-fill-mode: both;

    @media screen and (min-width: 0\0) {
      white-space: nowrap;
      max-width: unset;
    }
  }

  &:not(.is-disabled):hover:after {
    display: inline-block;
    animation-name: tooltipIn;

    opacity: 1;
    z-index: $zindex-tooltip;
    margin: 0 0 0 $Tooltip--attr-gap;
    opacity: 1;
  }

  &[data-position='bottom']:after {
    left: 50%;
    top: 100%;
    transform: translateX(-50%);
  }

  &[data-position='bottom']:hover:after {
    margin: $Tooltip--attr-gap 0 0 0;
  }

  &[data-position='left']:after {
    top: 50%;
    right: 100%;
    left: auto;
    transform: translateY(-50%);
  }

  &[data-position='left']:hover:after {
    margin: 0 $Tooltip--attr-gap 0 0;
  }

  &[data-position='top']:after {
    left: 50%;
    top: auto;
    bottom: 100%;
    transform: translateX(-50%);
  }

  &[data-position='top']:hover:after {
    margin: -$Tooltip--attr-gap 0 0 0;
  }

  &:hover:active:after {
    content: '';
    display: none !important;
  }
}