/* Tooltips */

.tooltip {
  position: absolute;
  background-color: rgba(17, 24, 39, 0.95);
  color: white;
  padding: 0.375rem 0.625rem;
  border-radius: var(--border-radius-sm);
  font-size: 0.8125rem;
  white-space: nowrap;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s ease;
}

.tooltip--visible {
  opacity: 1;
}

.tooltip--top {
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  margin-bottom: 0.375rem;
}

.tooltip--bottom {
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  margin-top: 0.375rem;
}

.tooltip--left {
  right: 100%;
  top: 50%;
  transform: translateY(-50%);
  margin-right: 0.375rem;
}

.tooltip--right {
  left: 100%;
  top: 50%;
  transform: translateY(-50%);
  margin-left: 0.375rem;
}

/* Loading spinner (e.g. button loading state) */
.loading-spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  margin-right: 0.375rem;
  vertical-align: middle;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}