  row.innerHTML = `
            <td><strong>${device.deviceID || 'N/A'}</strong></td>
            <td>${device.productName || 'Unknown Product'}</td>
            <td><span class="status-badge status-info">${device.rentalCount || 0}</span></td>
            <td><strong>€${Number(device.totalRevenue || 0).toFixed(0)}</strong></td>
            <td><span class="status-badge ${statusClass}">${statusText}</span></td>
            <td>
                <button class="rc-btn rc-btn-sm rc-btn-accent" onclick="openDev