:root {
    --accent: #0d6efd;
}

body {
    background: linear-gradient(180deg,#f7f9fc 0%, #eef3fb 100%);
    min-height: 100vh;
}

.login-card {
    max-width: 980px;
    margin: auto;
    margin-top: 6vh;
}

.brand-logo {
    width: 84px;
    height: 84px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: #fff;
    box-shadow: 0 6px 18px rgba(29,33,41,0.06);
}

.qr-box {
    background: #fff;
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 6px 18px rgba(29,33,41,0.06);
}

.form-control:focus {
    box-shadow: 0 0 0 .15rem rgba(13,110,253,0.12);
}
/* Responsive rules: only show qr on md+ or lg+ per preference */
@media (max-width: 991.98px) { /* < lg */
    .qr-column {
        display: none;
    }
}