@media (max-width: 1024px) {
    .hero,
    .layout-two,
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 820px) {
    .app-shell {
        grid-template-columns: 1fr;
    }

    .sidebar {
        display: none;
        position: fixed;
        inset: 0 auto 0 0;
        z-index: 20;
        width: 260px;
        height: 100vh;
        box-shadow: var(--shadow-popover);
    }

    .sidebar.open {
        display: block;
    }

    .main-content {
        padding: 16px;
    }

    .menu-toggle {
        display: inline-block;
    }

    .form-grid {
        grid-template-columns: 1fr;
    }

    .chat-actions {
        flex-direction: column;
    }

    .slot-row {
        grid-template-columns: 1fr;
        gap: 6px;
    }
}