.alerta {
    position: fixed; 
    top: 20px; 
    right: 20px; 
    background-color: rgba(14, 34, 18, 0.397);
    backdrop-filter: blur(22px);
    -webkit-backdrop-filter: blur(22px); 
    color: #fff; 
    padding: 15px 25px; 
    border-radius: 8px; 
    border: 1px solid #eeedef;
    font-size: 1rem;
    z-index: 1000; 
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15); 
    max-width: 300px; 
    text-align: center;

    
    opacity: 0; 
    transform: translateX(100%); 
    transition: opacity 0.4s ease-out, transform 0.4s ease-out; 
}


.alerta.mostrar {
    opacity: 1; 
    transform: translateX(0); 
}