.loading-spinner {
  width: 3rem;
  height: 3rem;
  border: 4px solid var(--bg-hover);
  border-top-color: var(--accent-blue);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

.loading-skeleton {
  position: relative;
  background-color: var(--bg-hover);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.loading-skeleton::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  animation: shimmer 1.2s infinite;
}
@keyframes shimmer {
  100% { transform: translateX(100%); }
}
