/* Tooltips — Req 20.4 */
.tooltip-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1em;
  height: 1em;
  font-size: 0.85em;
  color: var(--color-primary, #4a90d9);
  cursor: help;
  position: relative;
  vertical-align: middle;
  margin-left: 0.2em;
}

.tooltip-icon::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-surface-elevated, #2a2a3e);
  color: var(--color-text-primary, #e0e0e0);
  border: 1px solid var(--color-border, #444);
  border-radius: 6px;
  padding: 0.5em 0.75em;
  font-size: 0.8rem;
  font-weight: normal;
  line-height: 1.4;
  white-space: normal;
  width: max-content;
  max-width: 260px;
  z-index: 9999;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s ease;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.tooltip-icon:hover::after,
.tooltip-icon:focus::after {
  opacity: 1;
}

/* Arrow */
.tooltip-icon::before {
  content: '';
  position: absolute;
  bottom: calc(100% + 1px);
  left: 50%;
  transform: translateX(-50%);
  border: 5px solid transparent;
  border-top-color: var(--color-border, #444);
  opacity: 0;
  transition: opacity 0.15s ease;
  pointer-events: none;
  z-index: 9999;
}

.tooltip-icon:hover::before,
.tooltip-icon:focus::before {
  opacity: 1;
}