.tooltip {
  position: relative;
}
.tooltip:is(:hover, :focus-visible, [data-tooltip-visible])::before {
  opacity: 1;
}
.tooltip::before {
  content: attr(aria-label);
  position: absolute;
  bottom: calc(100% + 0.5rem);
  left: 50%;
  translate: -50%;
  transform-origin: center bottom;
  box-sizing: border-box;
  max-width: 20rem;
  padding: 0.5em 0.75em;
  border-radius: 0.25em;
  background-color: rgba(0, 0, 0, 0.9);
  color: #fff;
  font-size: 0.875rem;
  font-weight: normal;
  line-height: 1.5;
  pointer-events: none;
  user-select: none;
  z-index: 10;
  transition-duration: 0.2s;
  transition-timing-function: ease;
  transition-property: opacity;
  opacity: 0;
}

@supports (position-area: block-start) and (position-try-fallbacks: flip-block) {
  .tooltip::before {
    position: fixed;
    position-anchor: auto;
    position-try-fallbacks: flip-block, flip-inline;
    position-area: block-start;
    margin-block: 0.5rem;
    inset: auto;
    justify-self: anchor-center;
    translate: none;
    transform-origin: center;
  }
}