/* Animación de entrada */
    @keyframes fadeIn {
      from {
        opacity: 0;
        transform: translateY(20px);
      }

      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    .login-box {
      background: white;
      padding: 40px;
      border-radius: 12px;
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
      width: 300px;
      text-align: center;
      animation: slideIn 1s ease;
    }

    @keyframes slideIn {
      from {
        transform: scale(0.95);
        opacity: 0;
      }

      to {
        transform: scale(1);
        opacity: 1;
      }
    }

    .login-box h2 {
      margin-bottom: 20px;
      color: #333;
    }

    .login-box input[type="text"],
    .login-box input[type="password"] {
      width: 100%;
      padding: 12px;
      margin: 10px 0;
      border: 1px solid #ccc;
      border-radius: 6px;
      box-sizing: border-box;
    }

    .login-box button {
      background: #4a90e2;
      color: white;
      padding: 12px;
      border: none;
      width: 100%;
      border-radius: 6px;
      font-size: 16px;
      cursor: pointer;
      transition: background 0.3s ease;
    }

    .login-box button:hover {
      background: #357ab7;
    }

    .footer {
      margin-top: 15px;
      font-size: 12px;
      color: #777;
    }

    .alerta-error-cuenta {
      background: #f8d7da;
      color: #721c24;
      padding: 10px;
      margin-bottom: 15px;
      border: 1px solid #f5c6cb;
      border-radius: 5px;
    }

    .msg-error-passcuenta {
    font-size: 0.85em;
    color: #d9534f; /* rojo */
    display: inline;
    margin-top: 5px;
}
.msg-ok-passcuenta {
    font-size: 0.85em;
    color: #28a745; /* verde */
    display: inline;
    margin-top: 5px;
}