bled.');
                return;
            }
            
            addCheckItem('success', 'WebRTC API Available', 
                'The browser supports WebRTC and the API is accessible.');
            
            // Test restriction detection
            showStatus('Testing WebRTC restrictions...', 'info');
            const restrictions = await detectWebRTCRestrictions();
            statusDiv.style.display = 'none';
            
            // Analyze restrictions
            if (restrictions.leng