/* CSS-only hover tooltip. See src/components/Tooltip.tsx for usage. */

.tt {
  position: relative;
  display: inline-block;
}

.tt::before,
.tt::after {
  position: absolute;
  opacity: 0;
  pointer-events: none;
  transition: opacity 120ms ease-out, transform 120ms ease-out;
  z-index: 10;
}

/* Bubble */
.tt::before {
  content: attr(data-tt);
  font-family: var(--font-barlow);
  font-size: 0.78rem;
  line-height: 1.35;
  color: var(--tooltip-fg);
  background: var(--tooltip-bg);
  padding: 0.35rem 0.55rem;
  border-radius: var(--radius-md);
  max-width: 18rem;
  width: max-content;
  white-space: normal;
  text-align: left;
  box-shadow: var(--shadow-tooltip);
}

/* Arrow */
.tt::after {
  content: "";
  width: 0;
  height: 0;
  border: 4px solid transparent;
}

/* ── Placement: top (default) ── */
.tt--top::before {
  left: 50%;
  bottom: calc(100% + 6px);
  transform: translate(-50%, 4px);
}
.tt--top::after {
  left: 50%;
  bottom: calc(100% + 2px);
  transform: translate(-50%, 4px);
  border-top-color: var(--tooltip-bg);
}

/* ── Placement: bottom ── */
.tt--bottom::before {
  left: 50%;
  top: calc(100% + 6px);
  transform: translate(-50%, -4px);
}
.tt--bottom::after {
  left: 50%;
  top: calc(100% + 2px);
  transform: translate(-50%, -4px);
  border-bottom-color: var(--tooltip-bg);
}

/* ── Placement: left ── */
.tt--left::before {
  right: calc(100% + 6px);
  top: 50%;
  transform: translate(4px, -50%);
}
.tt--left::after {
  right: calc(100% + 2px);
  top: 50%;
  transform: translate(4px, -50%);
  border-left-color: var(--tooltip-bg);
}

/* ── Placement: right ── */
.tt--right::before {
  left: calc(100% + 6px);
  top: 50%;
  transform: translate(-4px, -50%);
}
.tt--right::after {
  left: calc(100% + 2px);
  top: 50%;
  transform: translate(-4px, -50%);
  border-right-color: var(--tooltip-bg);
}

/* Reveal on hover or keyboard focus */
.tt:hover::before,
.tt:hover::after,
.tt:focus-visible::before,
.tt:focus-visible::after {
  opacity: 1;
  transform: translate(-50%, 0);
}

.tt--left:hover::before,
.tt--left:hover::after,
.tt--left:focus-visible::before,
.tt--left:focus-visible::after,
.tt--right:hover::before,
.tt--right:hover::after,
.tt--right:focus-visible::before,
.tt--right:focus-visible::after {
  transform: translate(0, -50%);
}