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I want to modify the style.css to be mobile-friendly by moving controls to the bottom, making buttons larger, increasing color swatch size, and removing the page title. It needs to fit within a single screen. In app.js, I'll ensure resizeCanvases runs on DOMContentLoaded, set the cursor style, and make touch-friendly controls with bigger button sizes. I'll completely replace the app.js content.\n\nI will make the UI and interaction touch-friendly for mobile by enlarging touch targets, pinning controls to the bottom, ensuring canvases initialize/rescale on load, and improving touch cursors and gestures.\n\nstyle.css\n```style.css\n```\n>>>>>>> REPLACE\n```\n\napp.js\n```\n<<<<<<< SEARCH\n// Simple paint-over app for a character image. Touch and mouse supported.\n// Designed to fit a single mobile viewport height.\n\nconst ASSET_URL = 'IMG_1154.jpeg';\n\nconst canvas = document.getElementById('bitmap'); // base composited canvas (character + paint)\nconst overlay = document.getElementById('overlay'); // drawing layer\nconst colorsEl = document.getElementById('colors');\nconst sizeInput = document.getElementById('size');\nconst undoBtn = document.getElementById('undo');\nconst clearBtn = document.getElementById('clear');\nconst saveBtn = document.getElementById('save');\n\nlet dpr = Math.max(1, window.devicePixelRatio || 1);\n\nfunction resizeCanvases() {\n const rect = overlay.getBoundingClientRect();\n [canvas, overlay].forEach(c=>{\n c.width = Math.floor(rect.width * dpr);\n c.height = Math.floor(rect.height * dpr);\n c.style.width = rect.width + 'px';\n c.style.height = rect.height + 'px';\n });\n redrawBase();\n redrawOverlay();\n}\n\nwindow.addEventListener('resize', () => {\n dpr = Math.max(1, window.devicePixelRatio || 1);\n resizeCanvases();\n});\n\nconst baseCtx = canvas.getContext('2d', {alpha:true});\nconst ctx = overlay.getContext('2d', {alpha:true});\nctx.lineJoin = ctx.lineCap = 'round';\n\nconst moveToggle = document.getElementById('moveToggle');\nlet moveMode = false;\nlet draggingImage = false;\nlet imgPos = {x:0,y:0}; // in canvas pixels\nlet imgScale = 1;\nlet dragStart = null;\n\nlet img = new Image();\nimg.src = ASSET_URL;\nimg.onload = () => {\n // initialize positioned & scaled to fit and centered\n const pad = 0.02;\n const cw = canvas.width || 1, ch = canvas.height || 1;\n const maxW = cw * (1 - 2*pad), maxH = ch * (1 - 2*pad);\n imgScale = Math.min(maxW / img.width, maxH / img.height);\n imgPos.x = (cw - img.width * imgScale) / 2;\n imgPos.y = (ch - img.height * imgScale) / 2;\n resizeCanvases();\n redrawBase();\n};\n\nfunction redrawBase(){\n if(!img.width) return;\n baseCtx.clearRect(0,0,canvas.width,canvas.height);\n // draw using stored imgPos and imgScale (positions are in canvas pixels)\n const w = img.width * imgScale;\n const h = img.height * imgScale;\n // ensure a sensible default if not set\n if (!imgPos || isNaN(imgPos.x)) {\n imgPos = { x: (canvas.width - w) / 2, y: (canvas.height - h) / 2 };\n }\n baseCtx.drawImage(img, 0,0, img.width,img.height, imgPos.x, imgPos.y, w, h);\n}\n\nlet strokes = []; // history of ImageData for undo (overlay snapshots)\nlet isDrawing = false;\nlet last = null;\nlet brush = {color:'#ef476f', size:18};\n\nconst PALETTE = ['#ef476f','#f4a261','#ffd166','#06d6a0','#118ab2','#073b4c','#000000','#ffffff','rgba(255,255,255,0)'];\n\nfunction makePalette(){\n PALETTE.forEach((c,i)=>{\n const el = document.createElement('button');\n el.className = 'color-swatch';\n el.title = c;\n el.dataset.color = c;\n el.style.background = c==='rgba(255,255,255,0)' ? 'repeating-linear-gradient(45deg,#eee 0 6px,#fff 6px 12px)' : c;\n if(i===0) el.classList.add('selected');\n el.addEventListener('click', ()=>{\n document.querySelectorAll('.color-swatch').forEach(s=>s.classList.remove('selected'));\n el.classList.add('selected');\n brush.color = c;\n });\n colorsEl.appendChild(el);\n });\n}\nmakePalette();\n\nsizeInput.addEventListener('input', ()=>{\n brush.size = parseInt(sizeInput.value,10);\n});\n\nfunction saveSnapshot(){\n // push ImageData for undo (limit memory)\n try {\n const id = ctx.getImageData(0,0, overlay.width, overlay.height);\n strokes.push(id);\n if(strokes.length>20) strokes.shift();\n } catch(e){}\n}\n\nundoBtn.addEventListener('click', ()=>{\n if(strokes.length===0){\n // clear entirely\n ctx.clearRect(0,0,overlay.width, overlay.height);\n return;\n }\n strokes.pop(); // current state\n const prev = strokes[strokes.length-1];\n if(prev){\n ctx.putImageData(prev,0,0);\n } else {\n ctx.clearRect(0,0,overlay.width, overlay.height);\n }\n});\n\nclearBtn.addEventListener('click', ()=>{\n saveSnapshot();\n ctx.clearRect(0,0,overlay.width, overlay.height);\n});\n\nsaveBtn.addEventListener('click', ()=>{\n // composite base + overlay into a single PNG and download\n const out = document.createElement('canvas');\n out.width = canvas.width; out.height = canvas.height;\n const outCtx = out.getContext('2d');\n outCtx.drawImage(canvas,0,0);\n outCtx.drawImage(overlay,0,0);\n out.toBlob(blob=>{\n const url = URL.createObjectURL(blob);\n const a = document.createElement('a');\n a.href = url; a.download = 'character_paint.png';\n document.body.appendChild(a);\n a.click();\n a.remove();\n URL.revokeObjectURL(url);\n }, 'image/png');\n});\n\n// Drawing logic (mouse + touch)\nfunction getPos(e){\n const rect = overlay.getBoundingClientRect();\n if(e.touches && e.touches[0]) e = e.touches[0];\n return {\n x: ((e.clientX - rect.left) * overlay.width / rect.width),\n y: ((e.clientY - rect.top) * overlay.height / rect.height),\n clientX: e.clientX,\n clientY: e.clientY\n };\n}\n\nfunction pointerDown(e){\n e.preventDefault();\n const p = getPos(e);\n if(moveMode){\n // begin image dragging if pointer is inside image bounds\n const cx = p.x, cy = p.y;\n const iw = img.width * imgScale, ih = img.height * imgScale;\n if(cx >= imgPos.x && cx <= imgPos.x + iw && cy >= imgPos.y && cy <= imgPos.y + ih){\n draggingImage = true;\n dragStart = {clientX: p.clientX, clientY: p.clientY, imgX: imgPos.x, imgY: imgPos.y};\n }\n return;\n }\n saveSnapshot();\n isDrawing = true;\n last = p;\n drawDot(last.x, last.y);\n}\nfunction pointerMove(e){\n const p = getPos(e);\n if(moveMode && draggingImage && dragStart){\n e.preventDefault();\n const dx = (p.clientX - dragStart.clientX) * (overlay.width / overlay.getBoundingClientRect().width);\n const dy = (p.clientY - dragStart.clientY) * (overlay.height / overlay.getBoundingClientRect().height);\n imgPos.x = dragStart.imgX + dx;\n imgPos.y = dragStart.imgY + dy;\n redrawBase();\n return;\n }\n if(!isDrawing) return;\n e.preventDefault();\n drawLine(last.x, last.y, p.x, p.y);\n last = p;\n}\nfunction pointerUp(e){\n if(moveMode){\n draggingImage = false;\n dragStart = null;\n return;\n }\n if(!isDrawing) return;\n e.preventDefault();\n isDrawing = false;\n last = null;\n}\n\nfunction drawDot(x,y){\n ctx.save();\n ctx.globalCompositeOperation = (brush.color === 'rgba(255,255,255,0)') ? 'destination-out' : 'source-over';\n ctx.fillStyle = brush.color;\n ctx.beginPath();\n ctx.arc(x,y, brush.size * dpr / 2, 0, Math.PI*2);\n ctx.fill();\n ctx.restore();\n}\nfunction drawLine(x1,y1,x2,y2){\n ctx.save();\n ctx.lineWidth = brush.size * dpr;\n ctx.strokeStyle = brush.color;\n ctx.globalCompositeOperation = (brush.color === 'rgba(255,255,255,0)') ? 'destination-out' : 'source-over';\n ctx.beginPath();\n ctx.moveTo(x1,y1);\n ctx.lineTo(x2,y2);\n ctx.stroke();\n ctx.restore();\n}\n\noverlay.addEventListener('mousedown', pointerDown);\nwindow.addEventListener('mousemove', pointerMove);\nwindow.addEventListener('mouseup', pointerUp);\n\noverlay.addEventListener('touchstart', pointerDown, {passive:false});\noverlay.addEventListener('touchmove', pointerMove, {passive:false});\noverlay.addEventListener('touchend', pointerUp);\n\nfunction redrawOverlay(){\n // no-op for now; kept for resize compatibility (could scale existing data if implemented)\n}\n\n// move toggle control\nmoveToggle.addEventListener('click', ()=>{\n moveMode = !moveMode;\n moveToggle.setAttribute('aria-pressed', String(moveMode));\n moveToggle.classList.toggle('active', moveMode);\n // when entering move mode, disable painting pointer capture\n if(moveMode){\n overlay.style.cursor = 'move';\n isDrawing = false;\n } else {\n overlay.style.cursor = 'crosshair';\n draggingImage = false;\n }\n});\n\n// initialize default brush size with DPR considered for smoothness\nbrush.size = parseInt(sizeInput.value,10);\n\n// Keyboard player controls (WASD + arrows) for continuous movement.\n// Holds keys state and animates movement at a fixed speed; clamps image to canvas bounds.\nconst keys = { ArrowUp:false, ArrowDown:false, ArrowLeft:false, ArrowRight:false, w:false,a:false,s:false,d:false };\nconst moveSpeed = 300; // pixels per second (canvas pixels at current DPR)\nlet lastFrame = performance.now();\n\nfunction clampImage() {\n const iw = img.width * imgScale, ih = img.height * imgScale;\n // clamp so image stays at least partly visible within canvas\n imgPos.x = Math.max(-iw + 32 * dpr, Math.min(imgPos.x, canvas.width - 32 * dpr));\n imgPos.y = Math.max(-ih + 32 * dpr, Math.min(imgPos.y, canvas.height - 32 * dpr));\n}\n\nfunction updateMovement(now){\n const dt = Math.min(0.05, (now - lastFrame) / 1000); // cap dt\n lastFrame = now;\n let vx = 0, vy = 0;\n if(keys.ArrowLeft || keys.a) vx -= 1;\n if(keys.ArrowRight || keys.d) vx += 1;\n if(keys.ArrowUp || keys.w) vy -= 1;\n if(keys.ArrowDown || keys.s) vy += 1;\n if(vx !== 0 || vy !== 0){\n // normalize diagonal\n const len = Math.hypot(vx, vy) || 1;\n vx = vx / len; vy = vy / len;\n imgPos.x += vx * moveSpeed * dt;\n imgPos.y += vy * moveSpeed * dt;\n clampImage();\n redrawBase();\n }\n requestAnimationFrame(updateMovement);\n}\nrequestAnimationFrame(updateMovement);\n\n// Keyboard handlers\nwindow.addEventListener('keydown', (e)=>{\n if(e.key in keys){\n keys[e.key] = true;\n // when pressing movement keys, enter moveMode so arrow keys move character not page\n moveMode = true;\n moveToggle.setAttribute('aria-pressed', 'true');\n moveToggle.classList.add('active');\n overlay.style.cursor = 'move';\n e.preventDefault();\n } else if (e.key.toLowerCase() === 'm') {\n // toggle move mode with 'm'\n moveToggle.click();\n }\n});\nwindow.addEventListener('keyup', (e)=>{\n if(e.key in keys){\n keys[e.key] = false;\n e.preventDefault();\n }\n});\n\n// Ensure image clamps after resize\nwindow.addEventListener('resize', ()=> {\n clampImage();\n redrawBase();\n});\n=======\n/* Simple paint-over app made mobile-friendly: explicit init, touch optimization, larger hits */\n\nconst ASSET_URL = 'IMG_1154.jpeg';\n\nconst canvas = document.getElementById('bitmap'); // base composited canvas (character + paint)\nconst overlay = document.getElementById('overlay'); // drawing layer\nconst colorsEl = document.getElementById('colors');\nconst sizeInput = document.getElementById('size');\nconst undoBtn = document.getElementById('undo');\nconst clearBtn = document.getElementById('clear');\nconst saveBtn = document.getElementById('save');\n\nlet dpr = Math.max(1, window.devicePixelRatio || 1);\n\nfunction resizeCanvases() {\n const rect = overlay.getBoundingClientRect();\n [canvas, overlay].forEach(c=>{\n c.width = Math.floor(rect.width * dpr);\n c.height = Math.floor(rect.height * dpr);\n c.style.width = rect.width + 'px';\n c.style.height = rect.height + 'px';\n });\n // keep existing overlay pixels but scale visually (no pixel resampling here)\n redrawBase();\n redrawOverlay();\n}\n\n// ensure layout initializes correctly on load and on orientation change\nwindow.addEventListener('resize', () => {\n dpr = Math.max(1, window.devicePixelRatio || 1);\n resizeCanvases();\n});\n\nconst baseCtx = canvas.getContext('2d', {alpha:true});\nconst ctx = overlay.getContext('2d', {alpha:true});\nctx.lineJoin = ctx.lineCap = 'round';\n\nconst moveToggle = document.getElementById('moveToggle');\nlet moveMode = false;\nlet draggingImage = false;\nlet imgPos = {x:0,y:0}; // in canvas pixels\nlet imgScale = 1;\nlet dragStart = null;\n\nlet img = new Image();\nimg.src = ASSET_URL;\nimg.onload = () => {\n // initialize positioned & scaled to fit and centered\n // ensure canvases are sized before computing scales\n dpr = Math.max(1, window.devicePixelRatio || 1);\n resizeCanvases();\n const pad = 0.02;\n const cw = canvas.width || 1, ch = canvas.height || 1;\n const maxW = cw * (1 - 2*pad), maxH = ch * (1 - 2*pad);\n imgScale = Math.min(maxW / img.width, maxH / img.height);\n imgPos.x = (cw - img.width * imgScale) / 2;\n imgPos.y = (ch - img.height * imgScale) / 2;\n redrawBase();\n};\n\nfunction redrawBase(){\n if(!img.width) return;\n baseCtx.clearRect(0,0,canvas.width,canvas.height);\n const w = img.width * imgScale;\n const h = img.height * imgScale;\n if (!imgPos || isNaN(imgPos.x)) {\n imgPos = { x: (canvas.width - w) / 2, y: (canvas.height - h) / 2 };\n }\n baseCtx.drawImage(img, 0,0, img.width,img.height, imgPos.x, imgPos.y, w, h);\n}\n\nlet strokes = []; // history of ImageData for undo (overlay snapshots)\nlet isDrawing = false;\nlet last = null;\nlet brush = {color:'#ef476f', size:18};\n\nconst PALETTE = ['#ef476f','#f4a261','#ffd166','#06d6a0','#118ab2','#073b4c','#000000','#ffffff','rgba(255,255,255,0)'];\n\nfunction makePalette(){\n PALETTE.forEach((c,i)=>{\n const el = document.createElement('button');\n el.className = 'color-swatch';\n el.title = c;\n el.dataset.color = c;\n el.style.background = c==='rgba(255,255,255,0)' ? 'repeating-linear-gradient(45deg,#eee 0 6px,#fff 6px 12px)' : c;\n if(i===0) el.classList.add('selected');\n el.addEventListener('click', ()=>{\n document.querySelectorAll('.color-swatch').forEach(s=>s.classList.remove('selected'));\n el.classList.add('selected');\n brush.color = c;\n });\n // make palette buttons accessible by touch\n el.setAttribute('aria-label', `Color ${i+1}`);\n colorsEl.appendChild(el);\n });\n}\nmakePalette();\n\nsizeInput.addEventListener('input', ()=>{\n brush.size = parseInt(sizeInput.value,10);\n});\n\nfunction saveSnapshot(){\n try {\n const id = ctx.getImageData(0,0, overlay.width, overlay.height);\n strokes.push(id);\n if(strokes.length>20) strokes.shift();\n } catch(e){}\n}\n\nundoBtn.addEventListener('click', ()=>{\n if(strokes.length===0){\n ctx.clearRect(0,0,overlay.width, overlay.height);\n return;\n }\n strokes.pop();\n const prev = strokes[strokes.length-1];\n if(prev){\n ctx.putImageData(prev,0,0);\n } else {\n ctx.clearRect(0,0,overlay.width, overlay.height);\n }\n});\n\nclearBtn.addEventListener('click', ()=>{\n saveSnapshot();\n ctx.clearRect(0,0,overlay.width, overlay.height);\n});\n\nsaveBtn.addEventListener('click', ()=>{\n const out = document.createElement('canvas');\n out.width = canvas.width; out.height = canvas.height;\n const outCtx = out.getContext('2d');\n outCtx.drawImage(canvas,0,0);\n outCtx.drawImage(overlay,0,0);\n out.toBlob(blob=>{\n const url = URL.createObjectURL(blob);\n const a = document.createElement('a');\n a.href = url; a.download = 'character_paint.png';\n document.body.appendChild(a);\n a.click();\n a.remove();\n URL.revokeObjectURL(url);\n }, 'image/png');\n});\n\n// Drawing logic (mouse + touch)\nfunction getPos(e){\n const rect = overlay.getBoundingClientRect();\n if(e.touches && e.touches[0]) e = e.touches[0];\n return {\n x: ((e.clientX - rect.left) * overlay.width / rect.width),\n y: ((e.clientY - rect.top) * overlay.height / rect.height),\n clientX: e.clientX,\n clientY: e.clientY\n };\n}\n\nfunction pointerDown(e){\n // prevent accidental page scroll on touchstart\n e.preventDefault();\n const p = getPos(e);\n if(moveMode){\n const cx = p.x, cy = p.y;\n const iw = img.width * imgScale, ih = img.height * imgScale;\n if(cx >= imgPos.x && cx <= imgPos.x + iw && cy >= imgPos.y && cy <= imgPos.y + ih){\n draggingImage = true;\n dragStart = {clientX: p.clientX, clientY: p.clientY, imgX: imgPos.x, imgY: imgPos.y};\n }\n return;\n }\n saveSnapshot();\n isDrawing = true;\n last = p;\n drawDot(last.x, last.y);\n}\nfunction pointerMove(e){\n const p = getPos(e);\n if(moveMode && draggingImage && dragStart){\n e.preventDefault();\n const dx = (p.clientX - dragStart.clientX) * (overlay.width / overlay.getBoundingClientRect().width);\n const dy = (p.clientY - dragStart.clientY) * (overlay.height / overlay.getBoundingClientRect().height);\n imgPos.x = dragStart.imgX + dx;\n imgPos.y = dragStart.imgY + dy;\n clampImage();\n redrawBase();\n return;\n }\n if(!isDrawing) return;\n e.preventDefault();\n drawLine(last.x, last.y, p.x, p.y);\n last = p;\n}\nfunction pointerUp(e){\n if(moveMode){\n draggingImage = false;\n dragStart = null;\n return;\n }\n if(!isDrawing) return;\n e.preventDefault();\n isDrawing = false;\n last = null;\n}\n\nfunction drawDot(x,y){\n ctx.save();\n ctx.globalCompositeOperation = (brush.color === 'rgba(255,255,255,0)') ? 'destination-out' : 'source-over';\n ctx.fillStyle = brush.color;\n ctx.beginPath();\n ctx.arc(x,y, brush.size * dpr / 2, 0, Math.PI*2);\n ctx.fill();\n ctx.restore();\n}\nfunction drawLine(x1,y1,x2,y2){\n ctx.save();\n ctx.lineWidth = brush.size * dpr;\n ctx.strokeStyle = brush.color;\n ctx.globalCompositeOperation = (brush.color === 'rgba(255,255,255,0)') ? 'destination-out' : 'source-over';\n ctx.beginPath();\n ctx.moveTo(x1,y1);\n ctx.lineTo(x2,y2);\n ctx.stroke();\n ctx.restore();\n}\n\n// ensure active pointer listening on overlay; use passive:false where we intend to preventDefault\noverlay.addEventListener('mousedown', pointerDown);\nwindow.addEventListener('mousemove', pointerMove);\nwindow.addEventListener('mouseup', pointerUp);\n\noverlay.addEventListener('touchstart', pointerDown, {passive:false});\noverlay.addEventListener('touchmove', pointerMove, {passive:false});\noverlay.addEventListener('touchend', pointerUp);\n\nfunction redrawOverlay(){\n // intentionally left minimal: keeping painted pixels as-is across resizes would need resampling\n}\n\n// move toggle control\nmoveToggle.addEventListener('click', ()=>{\n moveMode = !moveMode;\n moveToggle.setAttribute('aria-pressed', String(moveMode));\n moveToggle.classList.toggle('active', moveMode);\n if(moveMode){\n overlay.style.cursor = 'grab';\n isDrawing = false;\n } else {\n overlay.style.cursor = 'crosshair';\n draggingImage = false;\n }\n});\n\n// initialize default brush size with DPR considered for smoothness\nbrush.size = parseInt(sizeInput.value,10);\n\n// Keyboard player controls (WASD + arrows) for continuous movement.\nconst keys = { ArrowUp:false, ArrowDown:false, ArrowLeft:false, ArrowRight:false, w:false,a:false,s:false,d:false };\nconst moveSpeed = 300; // pixels per second (canvas pixels at current DPR)\nlet lastFrame = performance.now();\n\nfunction clampImage() {\n const iw = img.width * imgScale, ih = img.height * imgScale;\n imgPos.x = Math.max(-iw + 32 * dpr, Math.min(imgPos.x, canvas.width - 32 * dpr));\n imgPos.y = Math.max(-ih + 32 * dpr, Math.min(imgPos.y, canvas.height - 32 * dpr));\n}\n\nfunction updateMovement(now){\n const dt = Math.min(0.05, (now - lastFrame) / 1000); // cap dt\n lastFrame = now;\n let vx = 0, vy = 0;\n if(keys.ArrowLeft || keys.a) vx -= 1;\n if(keys.ArrowRight || keys.d) vx += 1;\n if(keys.ArrowUp || keys.w) vy -= 1;\n if(keys.ArrowDown || keys.s) vy += 1;\n if(vx !== 0 || vy !== 0){\n const len = Math.hypot(vx, vy) || 1;\n vx = vx / len; vy = vy / len;\n imgPos.x += vx * moveSpeed * dt;\n imgPos.y += vy * moveSpeed * dt;\n clampImage();\n redrawBase();\n }\n requestAnimationFrame(updateMovement);\n}\nrequestAnimationFrame(updateMovement);\n\nwindow.addEventListener('keydown', (e)=>{\n if(e.key in keys){\n keys[e.key] = true;\n moveMode = true;\n moveToggle.setAttribute('aria-pressed', 'true');\n moveToggle.classList.add('active');\n overlay.style.cursor = 'grab';\n e.preventDefault();\n } else if (e.key.toLowerCase() === 'm') {\n moveToggle.click();\n }\n});\nwindow.addEventListener('keyup', (e)=>{\n if(e.key in keys){\n keys[e.key] = false;\n e.preventDefault();\n }\n});\n\n// Ensure image clamps after resize\nwindow.addEventListener('resize', ()=> {\n clampImage();\n redrawBase();\n});\n\n// Ensure initial layout and cursors once DOM is ready\ndocument.addEventListener('DOMContentLoaded', ()=>{\n dpr = Math.max(1, window.devicePixelRatio || 1);\n // set a friendly cursor for touch devices\n overlay.style.cursor = 'crosshair';\n resizeCanvases();\n // small accessibility: enlarge buttons for fast tap\n document.querySelectorAll('.btn').forEach(b=>b.setAttribute('role','button'));\n});\n>>>>>>> REPLACE\n``` \n\nSummary: Increased touch target sizes, pinned the control bar to the bottom for narrow screens, ensured canvases initialize/resize on load and orientation changes, set touch-friendly cursors and prevented scrolling during drawing so painting and moving work smoothly on mobile.","cursor","eyJpZCI6ImR6N3A5bXNybzg2bThpODRvMzZuIn0","token","included",[],"routes/browser/layout","actionData","errors"]