.alert.alerta {
    position: fixed;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 9999;
    width: auto;
    max-width: 350px;
    padding: 12px 16px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: bold;
    color: #fff;
    box-shadow: 0px 4px 6px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    gap: 8px;
    opacity: 1;
    animation: slideUpFadeOut 3.5s ease-out forwards;
    text-align: center;
    justify-content: center;
}

.alert.alert-error {
    background-color: #dc3545;
}

.alert.alert-success {
    background-color: #28a745;
}

.alert.alerta::before {
    font-size: 18px;
}

@keyframes slideUpFadeOut {
    0%, 80% {
        opacity: 1;
        transform: translate(-50%, 0);
    }
    100% {
        opacity: 0;
        transform: translate(-50%, -20px);
        pointer-events: none;
    }
}

@media (max-width: 768px) {
    .alert.alerta {
        top: 10px;
        max-width: 250px;
        font-size: 12px;
        padding: 10px;
    }

    .alert.alerta::before {
        font-size: 16px;
    }

    .mensagem.sucesso {
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
}