📝 View Prompt
Fix ALL bugs in this bouncing ball game. Output ONLY the fixed complete HTML:
```html
<!DOCTYPE html><html><head><style>body{margin:0;background:#111;display:flex;justify-content:center;align-items:center;height:100vh}canvas{background:#222}</style></head><body><canvas id='c'></canvas><script>
const c=document.getElementById('c'),x=c.getContext('2d')
c.width=400;c.height=400
let balls=[{x:200,y:200,vx:3,vy:2,r:15,c:'#f0f'}]
function draw(){x.clearRect(0,0,c.width,c.height);balls.forEach(b=>{x.be