/* Tooltip Component */
.tooltip {
  position: relative;
  display: inline-block;
}

.tooltip-content {
  visibility: hidden;
  opacity: 0;
  position: absolute;
  bottom: 125%;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0, 0, 0, 0.9);
  color: #ffffff;
  text-align: center;
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 12px;
  white-space: nowrap;
  z-index: 10000;
  transition: opacity 0.3s, visibility 0.3s;
  pointer-events: none;
}

.tooltip-content::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  margin-left: -5px;
  border-width: 5px;
  border-style: solid;
  border-color: rgba(0, 0, 0, 0.9) transparent transparent transparent;
}

.tooltip:hover .tooltip-content,
.tooltip:focus .tooltip-content {
  visibility: visible;
  opacity: 1;
}

/* Tooltip Positions */
.tooltip-content.tooltip-top {
  bottom: 125%;
  top: auto;
}

.tooltip-content.tooltip-bottom {
  top: 125%;
  bottom: auto;
}

.tooltip-content.tooltip-bottom::after {
  top: auto;
  bottom: 100%;
  border-color: transparent transparent rgba(0, 0, 0, 0.9) transparent;
}

.tooltip-content.tooltip-left {
  left: auto;
  right: 125%;
  top: 50%;
  transform: translateY(-50%);
}

.tooltip-content.tooltip-left::after {
  left: 100%;
  top: 50%;
  margin-top: -5px;
  margin-left: 0;
  border-color: transparent transparent transparent rgba(0, 0, 0, 0.9);
}

.tooltip-content.tooltip-right {
  left: 125%;
  right: auto;
  top: 50%;
  transform: translateY(-50%);
}

.tooltip-content.tooltip-right::after {
  right: 100%;
  left: auto;
  top: 50%;
  margin-top: -5px;
  margin-left: 0;
  border-color: transparent rgba(0, 0, 0, 0.9) transparent transparent;
}

/* Accessibility - Show on Focus */
[data-tooltip]:focus::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 125%;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0, 0, 0, 0.9);
  color: #ffffff;
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 12px;
  white-space: nowrap;
  z-index: 10000;
}

/* Mobile - Disable hover tooltips, use touch */
@media (hover: none) and (pointer: coarse) {
  .tooltip-content {
    display: none;
  }
  
  .tooltip[data-tooltip]:active::after {
    content: attr(data-tooltip);
    display: block;
  }
}