/* ============================================================
   TOOLTIP — hover-only, pure CSS, attaches via data-tooltip
   ============================================================ */

[data-tooltip] {
  position: relative;
  cursor: help;
}

[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);

  padding: var(--space-2) var(--space-3);
  background: var(--text-primary);
  color: var(--bg-canvas);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  font-weight: var(--weight-regular);
  line-height: var(--leading-snug);
  letter-spacing: 0;
  white-space: normal;
  width: max-content;
  max-width: 260px;
  text-align: left;

  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--transition-fast), visibility var(--transition-fast);

  z-index: 1000;
  box-shadow: var(--shadow-md);
}

/* Small arrow below the tooltip pointing down at the icon */
[data-tooltip]::before {
  content: "";
  position: absolute;
  bottom: calc(100% + 2px);
  left: 50%;
  transform: translateX(-50%);
  border-width: 6px 6px 0 6px;
  border-style: solid;
  border-color: var(--text-primary) transparent transparent transparent;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--transition-fast), visibility var(--transition-fast);
  z-index: 1000;
}

[data-tooltip]:hover::after,
[data-tooltip]:hover::before,
[data-tooltip]:focus-visible::after,
[data-tooltip]:focus-visible::before {
  opacity: 1;
  visibility: visible;
}