/* Zip Code checker - "Checking..." spinner */
.zip-spinner {
  width: 36px;
  height: 36px;
  margin: 0 auto;
  border: 4px solid #e6e6e6;
  border-top-color: #003a8f;
  border-radius: 50%;
  animation: zip-spin 0.8s linear infinite;
}

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