/* Shared keyframes and simple utility animations. */

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

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes ar-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.4; transform: scale(0.7); }
}

.fade-in {
  animation: fadeIn 0.5s cubic-bezier(0.23, 1, 0.32, 1);
}

/* Generic loading overlay */
.loading {
  opacity: 0.6;
  pointer-events: none;
  position: relative;
}

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid var(--brand);
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}