/* Estilos personalizados */
    .divider {
      display: flex;
      align-items: center;
      margin: 1rem 0;
      color: #6c757d;
    }
    .divider::before, .divider::after {
      content: "";
      flex: 1;
      border-bottom: 1px solid #dee2e6;
    }
    .divider::before {
      margin-right: .5rem;
    }
    .divider::after {
      margin-left: .5rem;
    }
    #googleSignIn {
      display: flex;
      align-items: center;
      justify-content: center;
      border: 1px solid #ddd;
      transition: all 0.3s;
    }
    #googleSignIn:hover {
      background-color: #f8f9fa;
    }
    #googleSignIn img {
      height: 20px;
      margin-left: 8px;
    }
    .input-error {
      border-color: #f44336 !important;
    }
    .error-message {
      color: #f44336;
      font-size: 0.75rem;
      margin-top: -0.5rem;
      margin-bottom: 0.5rem;
      display: none;
    }
    
    /* Toast Notifications */
    #toastContainer {
      position: fixed;
      top: 20px;
      right: 20px;
      z-index: 9999;
    }
    .toast {
      padding: 15px;
      margin-bottom: 10px;
      border-radius: 4px;
      color: white;
      animation: fadeIn 0.3s, fadeOut 0.3s 2.7s;
      box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    }
    .toast.success {
      background-color: #4CAF50;
    }
    .toast.error {
      background-color: #F44336;
    }
    @keyframes fadeIn {
      from { opacity: 0; transform: translateY(20px); }
      to { opacity: 1; transform: translateY(0); }
    }
    @keyframes fadeOut {
      from { opacity: 1; }
      to { opacity: 0; }
    }
    
    /* Mobile Responsive */
    @media (max-width: 768px) {
      .col-6.d-lg-flex {
        display: none !important;
      }
      .col-xl-4.col-lg-5.col-md-7 {
        width: 100%;
        max-width: 100%;
        padding: 0 15px;
      }
      .card {
        box-shadow: none;
        border: none;
      }
      .btn-lg {
        padding: 0.5rem 1rem;
        font-size: 1rem;
      }
    }