Test all 5 templates with real-time preview and export
💡 Tip: Change settings, then click "Initialize" again to see changes
1. Select a template from the list above
2. Customize colors, intensity, and text overlay
3. Click "Initialize" to load the template with your audio
4. Click "Play" to see a real-time preview
5. Click "Export MP4" to download your video
⚠️ Note: Replace testAudioUrl in the code with a real audio URL to test with actual music.