body {
    background: url('https://images.unsplash.com/photo-1501700975492-4289806f1a97?auto=format&fit=crop&w=1600&q=80')
                no-repeat center center fixed;
    background-size: cover;
}

.formBox {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(6px);
    border-radius: 16px;
    padding: 28px;
    width: 100%;
    max-width: 480px; /* AQUI — era 420px */
    box-shadow: 0 8px 25px rgba(0,0,0,0.18);
}


.logo {
    max-height: 95px;
    margin-bottom: 20px;
}

/* Overlay */
#alertOverlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.65);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 99999;
}

.alertBox {
    background: #fff;
    width: 90%;
    max-width: 420px;
    padding: 25px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 8px 25px rgba(0,0,0,0.3);
    animation: popup .3s ease-out;
}

.btn-alert {
    border: none;
    background: #0d6efd;
    color: #fff;
    padding: 10px 25px;
    border-radius: 6px;
    font-size: 1rem;
}

/* Animação */
@keyframes popup {
    from { transform: scale(0.8); opacity: 0; }
    to   { transform: scale(1); opacity: 1; }
}