@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
  }
  
  #googleLoginBtn:hover {
    background: #f8f9fa !important;
    box-shadow: 0 4px 8px rgba(0,0,0,0.15) !important;
  }
  
  #googleLoginBtn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
  }