/* Fondo negro semitransparente */
#warning-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    animation: fadeOut 4s forwards;
}

/* Caja blanca con el mensaje */
.warning-box {
    background: white;
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    font-size: 18px;
    font-weight: bold;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    max-width: 400px;
    animation: fadeIn 1s ease-in-out;
}

/* Animación de entrada */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Animación de salida */
@keyframes fadeOut {
    0% {
        opacity: 1;
    }
    80% {
        opacity: 1;
    }
    100% {
        opacity: 0;
        visibility: hidden;
    }
}