/* Mobile Responsive Overrides */
@media (max-width: 768px) {
    .shop-container {
        grid-template-columns: 1fr !important;
        gap: 20px !important;
        margin: 20px auto !important;
    }

    /* Toggle Bar for Mobile Filters */
    .filter-toggle-btn {
        display: flex !important;
        align-items: center;
        justify-content: space-between;
        width: 100%;
        background-color: var(--white);
        border: 1px solid var(--border-color);
        padding: 12px 16px;
        border-radius: 8px;
        font-size: 1rem;
        font-weight: 600;
        cursor: pointer;
        box-shadow: var(--shadow-sm);
        margin-bottom: 10px;
    }

    /* Collapsible Sidebar on Mobile */
    .sidebar {
        display: none; /* Collapsed by default on mobile */
        margin-bottom: 15px;
    }

    .sidebar.active {
        display: block !important;
        animation: fadeIn 0.25s ease-in-out;
    }

    .navbar {
        padding: 12px 15px !important;
    }

    .nav-links {
        gap: 12px !important;
        font-size: 0.85rem !important;
    }
}

/* Desktop Defaults */
.filter-toggle-btn {
    display: none;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-5px); }
    to { opacity: 1; transform: translateY(0); }
}