.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5); /* Fondo semi-transparente */
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999; /* Asegura que esté por encima de todo */
    visibility: hidden; /* Inicialmente oculto */
    opacity: 0;
    transition: opacity 0.3s, visibility 0.3s;
  }
  
  .loading-overlay.active {
    visibility: visible;
    opacity: 1;
  }
  
  .loading-spinner {
    background-color: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    text-align: center;
  }
  
  .spinner {
    border: 4px solid #f3f3f3;
    border-top: 4px solid #3498db;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    margin: 0 auto 15px;
    animation: spin 1s linear infinite;
  }
  
  @keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
  }
  
  .loading-spinner p {
    margin: 0;
    font-weight: bold;
    color: #333;
  }