#loadingOverlay {
    position: fixed;
    top: 0; left: 0;
    width: 100vw; height: 100vh;
    background: rgba(255, 255, 255, 0.9);
    z-index: 9999;
    display: none;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    font-family: sans-serif;
    font-size: 1.25rem;
    text-align: center;
  }

  .spinner {
    border: 4px solid #ccc;
    border-top: 4px solid #007bff;
    border-radius: 50%;
    width: 36px;
    height: 36px;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
  }

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


#loadingOverlay {
  transition: opacity 0.5s ease;
  padding: 1.5rem;
  text-align: center;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 1rem;
}

#loadingOverlay.fade-out {
  opacity: 0;
  pointer-events: none;
}