@media (max-width: 900px) {
    .oc-layout {
        grid-template-columns: 1fr;
    }
    .oc-sidebar {
        border-right: 0;
        border-bottom: 1px solid #e5e7eb;
    }
    .oc-grid-2 {
        grid-template-columns: 1fr;
    }
    .oc-affiliate-link-row {
        flex-direction: column;
    }
    .oc-affiliate-link-row .oc-btn {
        width: 100%;
        text-align: center;
    }
    .oc-affiliate-dl div {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    .oc-topbar {
        height: auto;
        padding: .7rem;
        flex-direction: column;
        align-items: flex-start;
        gap: .35rem;
    }
    .oc-auth-sitebar {
        padding: 1.1rem 1rem 1rem;
    }
    .oc-auth-brand {
        font-size: clamp(1.65rem, 6.5vw, 2rem);
        letter-spacing: 0.05em;
    }
    .oc-auth-main {
        justify-content: flex-start;
        padding-top: 1.25rem;
        padding-bottom: 1.5rem;
    }
    .oc-auth-title {
        font-size: 1.6rem;
    }
}