.signin-page {
    background-color: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 0.85rem;
    box-shadow: var(--shadow-sm);
    padding: 1rem;
    margin: 0.5rem 0 0;
}

.signin-grid {
    min-height: 0;
}

.signin-title {
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1.75rem;
}

.mfa-step {
    width: 100%;
    max-width: 100%;
}

.mfa-step h2 {
    color: var(--text-primary);
    font-weight: 600;
}

.back-link {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-decoration: none;
}

.back-link:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

.otp-group {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 0.5rem;
    width: 100%;
}

.otp-digit {
    text-align: center;
    font-size: 1.1rem;
    font-weight: 600;
    min-height: 44px;
    padding: 0.4rem 0.25rem;
}

.btn-touch {
    min-height: 44px;
}

@media (max-width: 991.98px) {
    .signin-title {
        font-size: 1.55rem;
    }
}

@media (min-width: 992px) {
    .signin-page {
        padding: 1.25rem;
    }
}