components.json

[
{
  "id": "camera-control3-d",
  "name": "Camera Control 3D",
  "description": "A 3D camera control component using Three.js.",
  "author": "multimodalart",
  "tags": [
    "3D",
    "Image"
  ],
  "category": "Input",
  "html_template": "\n        <div id=\"camera-control-wrapper\" style=\"width: 100%; height: 450px; position: relative; background: #1a1a1a; border-radius: 12px; overflow: hidden;\">\n            <div id=\"prompt-overlay\" style=\"position: absolute; bottom: 10px; left: 50%; transform: translateX(-50%); background: rgba(0,0,0,0.8); padding: 8px 16px; border-radius: 8px; font-family: monospace; font-size: 12px; color: #00ff88; white-space: nowrap; z-index: 10;\"></div>\n        </div>\n        ",
  "css_template": "",
  "js_on_load": "\n        (() => {\n            const wrapper = element.querySelector('#camera-control-wrapper');\n            const promptOverlay = element.querySelector('#prompt-overlay');\n            \n            // Wait for THREE to load\n            const initScene = () => {\n                if (typeof THREE === 'undefined') {\n                    setTimeout(initScene, 100);\n                    return;\n                }\n                \n                // Scene setup\n                const scene = new THREE.Scene();\n                scene.background = new THREE.Color(0x1a1a1a);\n                \n                const camera = new THREE.PerspectiveCamera(50, wrapper.clientWidth / wrapper.clientHeight, 0.1, 1000);\n                camera.position.set(4.5, 3, 4.5);\n                camera.lookAt(0, 0.75, 0);\n                \n                const renderer = new THREE.WebGLRenderer({ antialias: true });\n                renderer.setSize(wrapper.clientWidth, wrapper.clientHeight);\n                renderer.setPixelRatio(Math.min(window.devicePixelRatio, 2));\n                wrapper.insertBefore(renderer.domElement, promptOverlay);\n                \n                // Lighting\n                scene.add(new THREE.AmbientLight(0xffffff, 0.6));\n                const dirLight = new THREE.DirectionalLight(0xffffff, 0.6);\n                dirLight.position.set(5, 10, 5);\n                scene.add(dirLight);\n                \n                // Grid\n                scene.add(new THREE.GridHelper(8, 16, 0x333333, 0x222222));\n                \n                // Constants - reduced distances for tighter framing\n                const CENTER = new THREE.Vector3(0, 0.75, 0);\n                const BASE_DISTANCE = 1.6;\n                const AZIMUTH_RADIUS = 2.4;\n                const ELEVATION_RADIUS = 1.8;\n                \n                // State\n                let azimuthAngle = props.value?.azimuth || 0;\n                let elevationAngle = props.value?.elevation || 0;\n                let distanceFactor = props.value?.distance || 1.0;\n                \n                // Mappings - reduced wide shot multiplier\n                const azimuthSteps = [0, 45, 90, 135, 180, 225, 270, 315];\n                const elevationSteps = [-30, 0, 30, 60];\n                const distanceSteps = [0.6, 1.0, 1.4];\n                \n                const azimuthNames = {\n                    0: 'front view', 45: 'front-right quarter view', 90: 'right side view',\n                    135: 'back-right quarter view', 180: 'back view', 225: 'back-left quarter view',\n                    270: 'left side view', 315: 'front-left quarter view'\n                };\n                const elevationNames = { '-30': 'low-angle shot', '0': 'eye-level shot', '30': 'elevated shot', '60': 'high-angle shot' };\n                const distanceNames = { '0.6': 'close-up', '1': 'medium shot', '1.4': 'wide shot' };\n                \n                function snapToNearest(value, steps) {\n                    return steps.reduce((prev, curr) => Math.abs(curr - value) < Math.abs(prev - value) ? curr : prev);\n                }\n                \n                // Create placeholder texture (smiley face)\n                function createPlaceholderTexture() {\n                    const canvas = document.createElement('canvas');\n                    canvas.width = 256;\n                    canvas.height = 256;\n                    const ctx = canvas.getContext('2d');\n                    ctx.fillStyle = '#3a3a4a';\n                    ctx.fillRect(0, 0, 256, 256);\n                    ctx.fillStyle = '#ffcc99';\n                    ctx.beginPath();\n                    ctx.arc(128, 128, 80, 0, Math.PI * 2);\n                    ctx.fill();\n                    ctx.fillStyle = '#333';\n                    ctx.beginPath();\n                    ctx.arc(100, 110, 10, 0, Math.PI * 2);\n                    ctx.arc(156, 110, 10, 0, Math.PI * 2);\n                    ctx.fill();\n                    ctx.strokeStyle = '#333';\n                    ctx.lineWidth = 3;\n                    ctx.beginPath();\n                    ctx.arc(128, 130, 35, 0.2, Math.PI - 0.2);\n                    ctx.stroke();\n                    return new THREE.CanvasTexture(canvas);\n                }\n                \n                // Target image plane\n                let currentTexture = createPlaceholderTexture();\n                const planeMaterial = new THREE.MeshBasicMaterial({ map: currentTexture, side: THREE.DoubleSide });\n                let targetPlane = new THREE.Mesh(new THREE.PlaneGeometry(1.2, 1.2), planeMaterial);\n                targetPlane.position.copy(CENTER);\n                scene.add(targetPlane);\n                \n                // Function to update texture from image URL\n                function updateTextureFromUrl(url) {\n                    if (!url) {\n                        // Reset to placeholder\n                        planeMaterial.map = createPlaceholderTexture();\n                        planeMaterial.needsUpdate = true;\n                        // Reset plane to square\n                        scene.remove(targetPlane);\n                        targetPlane = new THREE.Mesh(new THREE.PlaneGeometry(1.2, 1.2), planeMaterial);\n                        targetPlane.position.copy(CENTER);\n                        scene.add(targetPlane);\n                        return;\n                    }\n                    \n                    const loader = new THREE.TextureLoader();\n                    loader.crossOrigin = 'anonymous';\n                    loader.load(url, (texture) => {\n                        texture.minFilter = THREE.LinearFilter;\n                        texture.magFilter = THREE.LinearFilter;\n                        planeMaterial.map = texture;\n                        planeMaterial.needsUpdate = true;\n                        \n                        // Adjust plane aspect ratio to match image\n                        const img = texture.image;\n                        if (img && img.width && img.height) {\n                            const aspect = img.width / img.height;\n                            const maxSize = 1.5;\n                            let planeWidth, planeHeight;\n                            if (aspect > 1) {\n                                planeWidth = maxSize;\n                                planeHeight = maxSize / aspect;\n                            } else {\n                                planeHeight = maxSize;\n                                planeWidth = maxSize * aspect;\n                            }\n                            scene.remove(targetPlane);\n                            targetPlane = new THREE.Mesh(\n                                new THREE.PlaneGeometry(planeWidth, planeHeight),\n                                planeMaterial\n                            );\n                            targetPlane.position.copy(CENTER);\n                            scene.add(targetPlane);\n                        }\n                    }, undefined, (err) => {\n                        console.error('Failed to load texture:', err);\n                    });\n                }\n                \n                // Check for initial imageUrl\n                if (props.imageUrl) {\n                    updateTextureFromUrl(props.imageUrl);\n                }\n                \n                // Camera model\n                const cameraGroup = new THREE.Group();\n                const bodyMat = new THREE.MeshStandardMaterial({ color: 0x6699cc, metalness: 0.5, roughness: 0.3 });\n                const body = new THREE.Mesh(new THREE.BoxGeometry(0.3, 0.22, 0.38), bodyMat);\n                cameraGroup.add(body);\n                const lens = new THREE.Mesh(\n                    new THREE.CylinderGeometry(0.09, 0.11, 0.18, 16),\n                    new THREE.MeshStandardMaterial({ color: 0x6699cc, metalness: 0.5, roughness: 0.3 })\n                );\n                lens.rotation.x = Math.PI / 2;\n                lens.position.z = 0.26;\n                cameraGroup.add(lens);\n                scene.add(cameraGroup);\n                \n                // GREEN: Azimuth ring\n                const azimuthRing = new THREE.Mesh(\n                    new THREE.TorusGeometry(AZIMUTH_RADIUS, 0.04, 16, 64),\n                    new THREE.MeshStandardMaterial({ color: 0x00ff88, emissive: 0x00ff88, emissiveIntensity: 0.3 })\n                );\n                azimuthRing.rotation.x = Math.PI / 2;\n                azimuthRing.position.y = 0.05;\n                scene.add(azimuthRing);\n                \n                const azimuthHandle = new THREE.Mesh(\n                    new THREE.SphereGeometry(0.18, 16, 16),\n                    new THREE.MeshStandardMaterial({ color: 0x00ff88, emissive: 0x00ff88, emissiveIntensity: 0.5 })\n                );\n                azimuthHandle.userData.type = 'azimuth';\n                scene.add(azimuthHandle);\n                \n                // PINK: Elevation arc\n                const arcPoints = [];\n                for (let i = 0; i <= 32; i++) {\n                    const angle = THREE.MathUtils.degToRad(-30 + (90 * i / 32));\n                    arcPoints.push(new THREE.Vector3(-0.8, ELEVATION_RADIUS * Math.sin(angle) + CENTER.y, ELEVATION_RADIUS * Math.cos(angle)));\n                }\n                const arcCurve = new THREE.CatmullRomCurve3(arcPoints);\n                const elevationArc = new THREE.Mesh(\n                    new THREE.TubeGeometry(arcCurve, 32, 0.04, 8, false),\n                    new THREE.MeshStandardMaterial({ color: 0xff69b4, emissive: 0xff69b4, emissiveIntensity: 0.3 })\n                );\n                scene.add(elevationArc);\n                \n                const elevationHandle = new THREE.Mesh(\n                    new THREE.SphereGeometry(0.18, 16, 16),\n                    new THREE.MeshStandardMaterial({ color: 0xff69b4, emissive: 0xff69b4, emissiveIntensity: 0.5 })\n                );\n                elevationHandle.userData.type = 'elevation';\n                scene.add(elevationHandle);\n                \n                // ORANGE: Distance line & handle\n                const distanceLineGeo = new THREE.BufferGeometry();\n                const distanceLine = new THREE.Line(distanceLineGeo, new THREE.LineBasicMaterial({ color: 0xffa500 }));\n                scene.add(distanceLine);\n                \n                const distanceHandle = new THREE.Mesh(\n                    new THREE.SphereGeometry(0.18, 16, 16),\n                    new THREE.MeshStandardMaterial({ color: 0xffa500, emissive: 0xffa500, emissiveIntensity: 0.5 })\n                );\n                distanceHandle.userData.type = 'distance';\n                scene.add(distanceHandle);\n                \n                function updatePositions() {\n                    const distance = BASE_DISTANCE * distanceFactor;\n                    const azRad = THREE.MathUtils.degToRad(azimuthAngle);\n                    const elRad = THREE.MathUtils.degToRad(elevationAngle);\n                    \n                    const camX = distance * Math.sin(azRad) * Math.cos(elRad);\n                    const camY = distance * Math.sin(elRad) + CENTER.y;\n                    const camZ = distance * Math.cos(azRad) * Math.cos(elRad);\n                    \n                    cameraGroup.position.set(camX, camY, camZ);\n                    cameraGroup.lookAt(CENTER);\n                    \n                    azimuthHandle.position.set(AZIMUTH_RADIUS * Math.sin(azRad), 0.05, AZIMUTH_RADIUS * Math.cos(azRad));\n                    elevationHandle.position.set(-0.8, ELEVATION_RADIUS * Math.sin(elRad) + CENTER.y, ELEVATION_RADIUS * Math.cos(elRad));\n                    \n                    const orangeDist = distance - 0.5;\n                    distanceHandle.position.set(\n                        orangeDist * Math.sin(azRad) * Math.cos(elRad),\n                        orangeDist * Math.sin(elRad) + CENTER.y,\n                        orangeDist * Math.cos(azRad) * Math.cos(elRad)\n                    );\n                    distanceLineGeo.setFromPoints([cameraGroup.position.clone(), CENTER.clone()]);\n                    \n                    // Update prompt\n                    const azSnap = snapToNearest(azimuthAngle, azimuthSteps);\n                    const elSnap = snapToNearest(elevationAngle, elevationSteps);\n                    const distSnap = snapToNearest(distanceFactor, distanceSteps);\n                    const distKey = distSnap === 1 ? '1' : distSnap.toFixed(1);\n                    const prompt = '<sks> ' + azimuthNames[azSnap] + ' ' + elevationNames[String(elSnap)] + ' ' + distanceNames[distKey];\n                    promptOverlay.textContent = prompt;\n                }\n                \n                function updatePropsAndTrigger() {\n                    const azSnap = snapToNearest(azimuthAngle, azimuthSteps);\n                    const elSnap = snapToNearest(elevationAngle, elevationSteps);\n                    const distSnap = snapToNearest(distanceFactor, distanceSteps);\n                    \n                    props.value = { azimuth: azSnap, elevation: elSnap, distance: distSnap };\n                    trigger('change', props.value);\n                }\n                \n                // Raycasting\n                const raycaster = new THREE.Raycaster();\n                const mouse = new THREE.Vector2();\n                let isDragging = false;\n                let dragTarget = null;\n                let dragStartMouse = new THREE.Vector2();\n                let dragStartDistance = 1.0;\n                const intersection = new THREE.Vector3();\n                \n                const canvas = renderer.domElement;\n                \n                canvas.addEventListener('mousedown', (e) => {\n                    const rect = canvas.getBoundingClientRect();\n                    mouse.x = ((e.clientX - rect.left) / rect.width) * 2 - 1;\n                    mouse.y = -((e.clientY - rect.top) / rect.height) * 2 + 1;\n                    \n                    raycaster.setFromCamera(mouse, camera);\n                    const intersects = raycaster.intersectObjects([azimuthHandle, elevationHandle, distanceHandle]);\n                    \n                    if (intersects.length > 0) {\n                        isDragging = true;\n                        dragTarget = intersects[0].object;\n                        dragTarget.material.emissiveIntensity = 1.0;\n                        dragTarget.scale.setScalar(1.3);\n                        dragStartMouse.copy(mouse);\n                        dragStartDistance = distanceFactor;\n                        canvas.style.cursor = 'grabbing';\n                    }\n                });\n                \n                canvas.addEventListener('mousemove', (e) => {\n                    const rect = canvas.getBoundingClientRect();\n                    mouse.x = ((e.clientX - rect.left) / rect.width) * 2 - 1;\n                    mouse.y = -((e.clientY - rect.top) / rect.height) * 2 + 1;\n                    \n                    if (isDragging && dragTarget) {\n                        raycaster.setFromCamera(mouse, camera);\n                        \n                        if (dragTarget.userData.type === 'azimuth') {\n                            const plane = new THREE.Plane(new THREE.Vector3(0, 1, 0), -0.05);\n                            if (raycaster.ray.intersectPlane(plane, intersection)) {\n                                azimuthAngle = THREE.MathUtils.radToDeg(Math.atan2(intersection.x, intersection.z));\n                                if (azimuthAngle < 0) azimuthAngle += 360;\n                            }\n                        } else if (dragTarget.userData.type === 'elevation') {\n                            const plane = new THREE.Plane(new THREE.Vector3(1, 0, 0), -0.8);\n                            if (raycaster.ray.intersectPlane(plane, intersection)) {\n                                const relY = intersection.y - CENTER.y;\n                                const relZ = intersection.z;\n                                elevationAngle = THREE.MathUtils.clamp(THREE.MathUtils.radToDeg(Math.atan2(relY, relZ)), -30, 60);\n                            }\n                        } else if (dragTarget.userData.type === 'distance') {\n                            const deltaY = mouse.y - dragStartMouse.y;\n                            distanceFactor = THREE.MathUtils.clamp(dragStartDistance - deltaY * 1.5, 0.6, 1.4);\n                        }\n                        updatePositions();\n                    } else {\n                        raycaster.setFromCamera(mouse, camera);\n                        const intersects = raycaster.intersectObjects([azimuthHandle, elevationHandle, distanceHandle]);\n                        [azimuthHandle, elevationHandle, distanceHandle].forEach(h => {\n                            h.material.emissiveIntensity = 0.5;\n                            h.scale.setScalar(1);\n                        });\n                        if (intersects.length > 0) {\n                            intersects[0].object.material.emissiveIntensity = 0.8;\n                            intersects[0].object.scale.setScalar(1.1);\n                            canvas.style.cursor = 'grab';\n                        } else {\n                            canvas.style.cursor = 'default';\n                        }\n                    }\n                });\n                \n                const onMouseUp = () => {\n                    if (dragTarget) {\n                        dragTarget.material.emissiveIntensity = 0.5;\n                        dragTarget.scale.setScalar(1);\n                        \n                        // Snap and animate\n                        const targetAz = snapToNearest(azimuthAngle, azimuthSteps);\n                        const targetEl = snapToNearest(elevationAngle, elevationSteps);\n                        const targetDist = snapToNearest(distanceFactor, distanceSteps);\n                        \n                        const startAz = azimuthAngle, startEl = elevationAngle, startDist = distanceFactor;\n                        const startTime = Date.now();\n                        \n                        function animateSnap() {\n                            const t = Math.min((Date.now() - startTime) / 200, 1);\n                            const ease = 1 - Math.pow(1 - t, 3);\n                            \n                            let azDiff = targetAz - startAz;\n                            if (azDiff > 180) azDiff -= 360;\n                            if (azDiff < -180) azDiff += 360;\n                            azimuthAngle = startAz + azDiff * ease;\n                            if (azimuthAngle < 0) azimuthAngle += 360;\n                            if (azimuthAngle >= 360) azimuthAngle -= 360;\n                            \n                            elevationAngle = startEl + (targetEl - startEl) * ease;\n                            distanceFactor = startDist + (targetDist - startDist) * ease;\n                            \n                            updatePositions();\n                            if (t < 1) requestAnimationFrame(animateSnap);\n                            else updatePropsAndTrigger();\n                        }\n                        animateSnap();\n                    }\n                    isDragging = false;\n                    dragTarget = null;\n                    canvas.style.cursor = 'default';\n                };\n                \n                canvas.addEventListener('mouseup', onMouseUp);\n                canvas.addEventListener('mouseleave', onMouseUp);\n                // Touch support for mobile\n                canvas.addEventListener('touchstart', (e) => {\n                    e.preventDefault();\n                    const touch = e.touches[0];\n                    const rect = canvas.getBoundingClientRect();\n                    mouse.x = ((touch.clientX - rect.left) / rect.width) * 2 - 1;\n                    mouse.y = -((touch.clientY - rect.top) / rect.height) * 2 + 1;\n                    \n                    raycaster.setFromCamera(mouse, camera);\n                    const intersects = raycaster.intersectObjects([azimuthHandle, elevationHandle, distanceHandle]);\n                    \n                    if (intersects.length > 0) {\n                        isDragging = true;\n                        dragTarget = intersects[0].object;\n                        dragTarget.material.emissiveIntensity = 1.0;\n                        dragTarget.scale.setScalar(1.3);\n                        dragStartMouse.copy(mouse);\n                        dragStartDistance = distanceFactor;\n                    }\n                }, { passive: false });\n                \n                canvas.addEventListener('touchmove', (e) => {\n                    e.preventDefault();\n                    const touch = e.touches[0];\n                    const rect = canvas.getBoundingClientRect();\n                    mouse.x = ((touch.clientX - rect.left) / rect.width) * 2 - 1;\n                    mouse.y = -((touch.clientY - rect.top) / rect.height) * 2 + 1;\n                    \n                    if (isDragging && dragTarget) {\n                        raycaster.setFromCamera(mouse, camera);\n                        \n                        if (dragTarget.userData.type === 'azimuth') {\n                            const plane = new THREE.Plane(new THREE.Vector3(0, 1, 0), -0.05);\n                            if (raycaster.ray.intersectPlane(plane, intersection)) {\n                                azimuthAngle = THREE.MathUtils.radToDeg(Math.atan2(intersection.x, intersection.z));\n                                if (azimuthAngle < 0) azimuthAngle += 360;\n                            }\n                        } else if (dragTarget.userData.type === 'elevation') {\n                            const plane = new THREE.Plane(new THREE.Vector3(1, 0, 0), -0.8);\n                            if (raycaster.ray.intersectPlane(plane, intersection)) {\n                                const relY = intersection.y - CENTER.y;\n                                const relZ = intersection.z;\n                                elevationAngle = THREE.MathUtils.clamp(THREE.MathUtils.radToDeg(Math.atan2(relY, relZ)), -30, 60);\n                            }\n                        } else if (dragTarget.userData.type === 'distance') {\n                            const deltaY = mouse.y - dragStartMouse.y;\n                            distanceFactor = THREE.MathUtils.clamp(dragStartDistance - deltaY * 1.5, 0.6, 1.4);\n                        }\n                        updatePositions();\n                    }\n                }, { passive: false });\n                \n                canvas.addEventListener('touchend', (e) => {\n                    e.preventDefault();\n                    onMouseUp();\n                }, { passive: false });\n                \n                canvas.addEventListener('touchcancel', (e) => {\n                    e.preventDefault();\n                    onMouseUp();\n                }, { passive: false });\n                \n                // Initial update\n                updatePositions();\n                \n                // Render loop\n                function render() {\n                    requestAnimationFrame(render);\n                    renderer.render(scene, camera);\n                }\n                render();\n                \n                // Handle resize\n                new ResizeObserver(() => {\n                    camera.aspect = wrapper.clientWidth / wrapper.clientHeight;\n                    camera.updateProjectionMatrix();\n                    renderer.setSize(wrapper.clientWidth, wrapper.clientHeight);\n                }).observe(wrapper);\n                \n                // Store update functions for external calls\n                wrapper._updateFromProps = (newVal) => {\n                    if (newVal && typeof newVal === 'object') {\n                        azimuthAngle = newVal.azimuth ?? azimuthAngle;\n                        elevationAngle = newVal.elevation ?? elevationAngle;\n                        distanceFactor = newVal.distance ?? distanceFactor;\n                        updatePositions();\n                    }\n                };\n                \n                wrapper._updateTexture = updateTextureFromUrl;\n                \n                // Watch for prop changes (imageUrl and value)\n                let lastImageUrl = props.imageUrl;\n                let lastValue = JSON.stringify(props.value);\n                setInterval(() => {\n                    // Check imageUrl changes\n                    if (props.imageUrl !== lastImageUrl) {\n                        lastImageUrl = props.imageUrl;\n                        updateTextureFromUrl(props.imageUrl);\n                    }\n                    // Check value changes (from sliders)\n                    const currentValue = JSON.stringify(props.value);\n                    if (currentValue !== lastValue) {\n                        lastValue = currentValue;\n                        if (props.value && typeof props.value === 'object') {\n                            azimuthAngle = props.value.azimuth ?? azimuthAngle;\n                            elevationAngle = props.value.elevation ?? elevationAngle;\n                            distanceFactor = props.value.distance ?? distanceFactor;\n                            updatePositions();\n                        }\n                    }\n                }, 100);\n            };\n            \n            initScene();\n        })();\n        ",
  "default_props": {
    "value": {
      "azimuth": 0,
      "elevation": 0,
      "distance": 1.0
    },
    "imageUrl": null
  },
  "head": "<script src=\"https://cdnjs.cloudflare.com/ajax/libs/three.js/r128/three.min.js\"></script>",
  "python_code": "class CameraControl3D(gr.HTML):\n    \"\"\"\n    A 3D camera control component using Three.js.\n    Outputs: { azimuth: number, elevation: number, distance: number }\n    Accepts imageUrl prop to display user's uploaded image on the plane.\n    \"\"\"\n    def __init__(self, value=None, imageUrl=None, **kwargs):\n        if value is None:\n            value = {\"azimuth\": 0, \"elevation\": 0, \"distance\": 1.0}\n\n        html_template = \"\"\"\n        <div id=\"camera-control-wrapper\" style=\"width: 100%; height: 450px; position: relative; background: #1a1a1a; border-radius: 12px; overflow: hidden;\">\n            <div id=\"prompt-overlay\" style=\"position: absolute; bottom: 10px; left: 50%; transform: translateX(-50%); background: rgba(0,0,0,0.8); padding: 8px 16px; border-radius: 8px; font-family: monospace; font-size: 12px; color: #00ff88; white-space: nowrap; z-index: 10;\"></div>\n        </div>\n        \"\"\"\n\n        js_on_load = \"\"\"\n        (() => {\n            const wrapper = element.querySelector('#camera-control-wrapper');\n            const promptOverlay = element.querySelector('#prompt-overlay');\n\n            // Wait for THREE to load\n            const initScene = () => {\n                if (typeof THREE === 'undefined') {\n                    setTimeout(initScene, 100);\n                    return;\n                }\n\n                // Scene setup\n                const scene = new THREE.Scene();\n                scene.background = new THREE.Color(0x1a1a1a);\n\n                const camera = new THREE.PerspectiveCamera(50, wrapper.clientWidth / wrapper.clientHeight, 0.1, 1000);\n                camera.position.set(4.5, 3, 4.5);\n                camera.lookAt(0, 0.75, 0);\n\n                const renderer = new THREE.WebGLRenderer({ antialias: true });\n                renderer.setSize(wrapper.clientWidth, wrapper.clientHeight);\n                renderer.setPixelRatio(Math.min(window.devicePixelRatio, 2));\n                wrapper.insertBefore(renderer.domElement, promptOverlay);\n\n                // Lighting\n                scene.add(new THREE.AmbientLight(0xffffff, 0.6));\n                const dirLight = new THREE.DirectionalLight(0xffffff, 0.6);\n                dirLight.position.set(5, 10, 5);\n                scene.add(dirLight);\n\n                // Grid\n                scene.add(new THREE.GridHelper(8, 16, 0x333333, 0x222222));\n\n                // Constants - reduced distances for tighter framing\n                const CENTER = new THREE.Vector3(0, 0.75, 0);\n                const BASE_DISTANCE = 1.6;\n                const AZIMUTH_RADIUS = 2.4;\n                const ELEVATION_RADIUS = 1.8;\n\n                // State\n                let azimuthAngle = props.value?.azimuth || 0;\n                let elevationAngle = props.value?.elevation || 0;\n                let distanceFactor = props.value?.distance || 1.0;\n\n                // Mappings - reduced wide shot multiplier\n                const azimuthSteps = [0, 45, 90, 135, 180, 225, 270, 315];\n                const elevationSteps = [-30, 0, 30, 60];\n                const distanceSteps = [0.6, 1.0, 1.4];\n\n                const azimuthNames = {\n                    0: 'front view', 45: 'front-right quarter view', 90: 'right side view',\n                    135: 'back-right quarter view', 180: 'back view', 225: 'back-left quarter view',\n                    270: 'left side view', 315: 'front-left quarter view'\n                };\n                const elevationNames = { '-30': 'low-angle shot', '0': 'eye-level shot', '30': 'elevated shot', '60': 'high-angle shot' };\n                const distanceNames = { '0.6': 'close-up', '1': 'medium shot', '1.4': 'wide shot' };\n\n                function snapToNearest(value, steps) {\n                    return steps.reduce((prev, curr) => Math.abs(curr - value) < Math.abs(prev - value) ? curr : prev);\n                }\n\n                // Create placeholder texture (smiley face)\n                function createPlaceholderTexture() {\n                    const canvas = document.createElement('canvas');\n                    canvas.width = 256;\n                    canvas.height = 256;\n                    const ctx = canvas.getContext('2d');\n                    ctx.fillStyle = '#3a3a4a';\n                    ctx.fillRect(0, 0, 256, 256);\n                    ctx.fillStyle = '#ffcc99';\n                    ctx.beginPath();\n                    ctx.arc(128, 128, 80, 0, Math.PI * 2);\n                    ctx.fill();\n                    ctx.fillStyle = '#333';\n                    ctx.beginPath();\n                    ctx.arc(100, 110, 10, 0, Math.PI * 2);\n                    ctx.arc(156, 110, 10, 0, Math.PI * 2);\n                    ctx.fill();\n                    ctx.strokeStyle = '#333';\n                    ctx.lineWidth = 3;\n                    ctx.beginPath();\n                    ctx.arc(128, 130, 35, 0.2, Math.PI - 0.2);\n                    ctx.stroke();\n                    return new THREE.CanvasTexture(canvas);\n                }\n\n                // Target image plane\n                let currentTexture = createPlaceholderTexture();\n                const planeMaterial = new THREE.MeshBasicMaterial({ map: currentTexture, side: THREE.DoubleSide });\n                let targetPlane = new THREE.Mesh(new THREE.PlaneGeometry(1.2, 1.2), planeMaterial);\n                targetPlane.position.copy(CENTER);\n                scene.add(targetPlane);\n\n                // Function to update texture from image URL\n                function updateTextureFromUrl(url) {\n                    if (!url) {\n                        // Reset to placeholder\n                        planeMaterial.map = createPlaceholderTexture();\n                        planeMaterial.needsUpdate = true;\n                        // Reset plane to square\n                        scene.remove(targetPlane);\n                        targetPlane = new THREE.Mesh(new THREE.PlaneGeometry(1.2, 1.2), planeMaterial);\n                        targetPlane.position.copy(CENTER);\n                        scene.add(targetPlane);\n                        return;\n                    }\n\n                    const loader = new THREE.TextureLoader();\n                    loader.crossOrigin = 'anonymous';\n                    loader.load(url, (texture) => {\n                        texture.minFilter = THREE.LinearFilter;\n                        texture.magFilter = THREE.LinearFilter;\n                        planeMaterial.map = texture;\n                        planeMaterial.needsUpdate = true;\n\n                        // Adjust plane aspect ratio to match image\n                        const img = texture.image;\n                        if (img && img.width && img.height) {\n                            const aspect = img.width / img.height;\n                            const maxSize = 1.5;\n                            let planeWidth, planeHeight;\n                            if (aspect > 1) {\n                                planeWidth = maxSize;\n                                planeHeight = maxSize / aspect;\n                            } else {\n                                planeHeight = maxSize;\n                                planeWidth = maxSize * aspect;\n                            }\n                            scene.remove(targetPlane);\n                            targetPlane = new THREE.Mesh(\n                                new THREE.PlaneGeometry(planeWidth, planeHeight),\n                                planeMaterial\n                            );\n                            targetPlane.position.copy(CENTER);\n                            scene.add(targetPlane);\n                        }\n                    }, undefined, (err) => {\n                        console.error('Failed to load texture:', err);\n                    });\n                }\n\n                // Check for initial imageUrl\n                if (props.imageUrl) {\n                    updateTextureFromUrl(props.imageUrl);\n                }\n\n                // Camera model\n                const cameraGroup = new THREE.Group();\n                const bodyMat = new THREE.MeshStandardMaterial({ color: 0x6699cc, metalness: 0.5, roughness: 0.3 });\n                const body = new THREE.Mesh(new THREE.BoxGeometry(0.3, 0.22, 0.38), bodyMat);\n                cameraGroup.add(body);\n                const lens = new THREE.Mesh(\n                    new THREE.CylinderGeometry(0.09, 0.11, 0.18, 16),\n                    new THREE.MeshStandardMaterial({ color: 0x6699cc, metalness: 0.5, roughness: 0.3 })\n                );\n                lens.rotation.x = Math.PI / 2;\n                lens.position.z = 0.26;\n                cameraGroup.add(lens);\n                scene.add(cameraGroup);\n\n                // GREEN: Azimuth ring\n                const azimuthRing = new THREE.Mesh(\n                    new THREE.TorusGeometry(AZIMUTH_RADIUS, 0.04, 16, 64),\n                    new THREE.MeshStandardMaterial({ color: 0x00ff88, emissive: 0x00ff88, emissiveIntensity: 0.3 })\n                );\n                azimuthRing.rotation.x = Math.PI / 2;\n                azimuthRing.position.y = 0.05;\n                scene.add(azimuthRing);\n\n                const azimuthHandle = new THREE.Mesh(\n                    new THREE.SphereGeometry(0.18, 16, 16),\n                    new THREE.MeshStandardMaterial({ color: 0x00ff88, emissive: 0x00ff88, emissiveIntensity: 0.5 })\n                );\n                azimuthHandle.userData.type = 'azimuth';\n                scene.add(azimuthHandle);\n\n                // PINK: Elevation arc\n                const arcPoints = [];\n                for (let i = 0; i <= 32; i++) {\n                    const angle = THREE.MathUtils.degToRad(-30 + (90 * i / 32));\n                    arcPoints.push(new THREE.Vector3(-0.8, ELEVATION_RADIUS * Math.sin(angle) + CENTER.y, ELEVATION_RADIUS * Math.cos(angle)));\n                }\n                const arcCurve = new THREE.CatmullRomCurve3(arcPoints);\n                const elevationArc = new THREE.Mesh(\n                    new THREE.TubeGeometry(arcCurve, 32, 0.04, 8, false),\n                    new THREE.MeshStandardMaterial({ color: 0xff69b4, emissive: 0xff69b4, emissiveIntensity: 0.3 })\n                );\n                scene.add(elevationArc);\n\n                const elevationHandle = new THREE.Mesh(\n                    new THREE.SphereGeometry(0.18, 16, 16),\n                    new THREE.MeshStandardMaterial({ color: 0xff69b4, emissive: 0xff69b4, emissiveIntensity: 0.5 })\n                );\n                elevationHandle.userData.type = 'elevation';\n                scene.add(elevationHandle);\n\n                // ORANGE: Distance line & handle\n                const distanceLineGeo = new THREE.BufferGeometry();\n                const distanceLine = new THREE.Line(distanceLineGeo, new THREE.LineBasicMaterial({ color: 0xffa500 }));\n                scene.add(distanceLine);\n\n                const distanceHandle = new THREE.Mesh(\n                    new THREE.SphereGeometry(0.18, 16, 16),\n                    new THREE.MeshStandardMaterial({ color: 0xffa500, emissive: 0xffa500, emissiveIntensity: 0.5 })\n                );\n                distanceHandle.userData.type = 'distance';\n                scene.add(distanceHandle);\n\n                function updatePositions() {\n                    const distance = BASE_DISTANCE * distanceFactor;\n                    const azRad = THREE.MathUtils.degToRad(azimuthAngle);\n                    const elRad = THREE.MathUtils.degToRad(elevationAngle);\n\n                    const camX = distance * Math.sin(azRad) * Math.cos(elRad);\n                    const camY = distance * Math.sin(elRad) + CENTER.y;\n                    const camZ = distance * Math.cos(azRad) * Math.cos(elRad);\n\n                    cameraGroup.position.set(camX, camY, camZ);\n                    cameraGroup.lookAt(CENTER);\n\n                    azimuthHandle.position.set(AZIMUTH_RADIUS * Math.sin(azRad), 0.05, AZIMUTH_RADIUS * Math.cos(azRad));\n                    elevationHandle.position.set(-0.8, ELEVATION_RADIUS * Math.sin(elRad) + CENTER.y, ELEVATION_RADIUS * Math.cos(elRad));\n\n                    const orangeDist = distance - 0.5;\n                    distanceHandle.position.set(\n                        orangeDist * Math.sin(azRad) * Math.cos(elRad),\n                        orangeDist * Math.sin(elRad) + CENTER.y,\n                        orangeDist * Math.cos(azRad) * Math.cos(elRad)\n                    );\n                    distanceLineGeo.setFromPoints([cameraGroup.position.clone(), CENTER.clone()]);\n\n                    // Update prompt\n                    const azSnap = snapToNearest(azimuthAngle, azimuthSteps);\n                    const elSnap = snapToNearest(elevationAngle, elevationSteps);\n                    const distSnap = snapToNearest(distanceFactor, distanceSteps);\n                    const distKey = distSnap === 1 ? '1' : distSnap.toFixed(1);\n                    const prompt = '<sks> ' + azimuthNames[azSnap] + ' ' + elevationNames[String(elSnap)] + ' ' + distanceNames[distKey];\n                    promptOverlay.textContent = prompt;\n                }\n\n                function updatePropsAndTrigger() {\n                    const azSnap = snapToNearest(azimuthAngle, azimuthSteps);\n                    const elSnap = snapToNearest(elevationAngle, elevationSteps);\n                    const distSnap = snapToNearest(distanceFactor, distanceSteps);\n\n                    props.value = { azimuth: azSnap, elevation: elSnap, distance: distSnap };\n                    trigger('change', props.value);\n                }\n\n                // Raycasting\n                const raycaster = new THREE.Raycaster();\n                const mouse = new THREE.Vector2();\n                let isDragging = false;\n                let dragTarget = null;\n                let dragStartMouse = new THREE.Vector2();\n                let dragStartDistance = 1.0;\n                const intersection = new THREE.Vector3();\n\n                const canvas = renderer.domElement;\n\n                canvas.addEventListener('mousedown', (e) => {\n                    const rect = canvas.getBoundingClientRect();\n                    mouse.x = ((e.clientX - rect.left) / rect.width) * 2 - 1;\n                    mouse.y = -((e.clientY - rect.top) / rect.height) * 2 + 1;\n\n                    raycaster.setFromCamera(mouse, camera);\n                    const intersects = raycaster.intersectObjects([azimuthHandle, elevationHandle, distanceHandle]);\n\n                    if (intersects.length > 0) {\n                        isDragging = true;\n                        dragTarget = intersects[0].object;\n                        dragTarget.material.emissiveIntensity = 1.0;\n                        dragTarget.scale.setScalar(1.3);\n                        dragStartMouse.copy(mouse);\n                        dragStartDistance = distanceFactor;\n                        canvas.style.cursor = 'grabbing';\n                    }\n                });\n\n                canvas.addEventListener('mousemove', (e) => {\n                    const rect = canvas.getBoundingClientRect();\n                    mouse.x = ((e.clientX - rect.left) / rect.width) * 2 - 1;\n                    mouse.y = -((e.clientY - rect.top) / rect.height) * 2 + 1;\n\n                    if (isDragging && dragTarget) {\n                        raycaster.setFromCamera(mouse, camera);\n\n                        if (dragTarget.userData.type === 'azimuth') {\n                            const plane = new THREE.Plane(new THREE.Vector3(0, 1, 0), -0.05);\n                            if (raycaster.ray.intersectPlane(plane, intersection)) {\n                                azimuthAngle = THREE.MathUtils.radToDeg(Math.atan2(intersection.x, intersection.z));\n                                if (azimuthAngle < 0) azimuthAngle += 360;\n                            }\n                        } else if (dragTarget.userData.type === 'elevation') {\n                            const plane = new THREE.Plane(new THREE.Vector3(1, 0, 0), -0.8);\n                            if (raycaster.ray.intersectPlane(plane, intersection)) {\n                                const relY = intersection.y - CENTER.y;\n                                const relZ = intersection.z;\n                                elevationAngle = THREE.MathUtils.clamp(THREE.MathUtils.radToDeg(Math.atan2(relY, relZ)), -30, 60);\n                            }\n                        } else if (dragTarget.userData.type === 'distance') {\n                            const deltaY = mouse.y - dragStartMouse.y;\n                            distanceFactor = THREE.MathUtils.clamp(dragStartDistance - deltaY * 1.5, 0.6, 1.4);\n                        }\n                        updatePositions();\n                    } else {\n                        raycaster.setFromCamera(mouse, camera);\n                        const intersects = raycaster.intersectObjects([azimuthHandle, elevationHandle, distanceHandle]);\n                        [azimuthHandle, elevationHandle, distanceHandle].forEach(h => {\n                            h.material.emissiveIntensity = 0.5;\n                            h.scale.setScalar(1);\n                        });\n                        if (intersects.length > 0) {\n                            intersects[0].object.material.emissiveIntensity = 0.8;\n                            intersects[0].object.scale.setScalar(1.1);\n                            canvas.style.cursor = 'grab';\n                        } else {\n                            canvas.style.cursor = 'default';\n                        }\n                    }\n                });\n\n                const onMouseUp = () => {\n                    if (dragTarget) {\n                        dragTarget.material.emissiveIntensity = 0.5;\n                        dragTarget.scale.setScalar(1);\n\n                        // Snap and animate\n                        const targetAz = snapToNearest(azimuthAngle, azimuthSteps);\n                        const targetEl = snapToNearest(elevationAngle, elevationSteps);\n                        const targetDist = snapToNearest(distanceFactor, distanceSteps);\n\n                        const startAz = azimuthAngle, startEl = elevationAngle, startDist = distanceFactor;\n                        const startTime = Date.now();\n\n                        function animateSnap() {\n                            const t = Math.min((Date.now() - startTime) / 200, 1);\n                            const ease = 1 - Math.pow(1 - t, 3);\n\n                            let azDiff = targetAz - startAz;\n                            if (azDiff > 180) azDiff -= 360;\n                            if (azDiff < -180) azDiff += 360;\n                            azimuthAngle = startAz + azDiff * ease;\n                            if (azimuthAngle < 0) azimuthAngle += 360;\n                            if (azimuthAngle >= 360) azimuthAngle -= 360;\n\n                            elevationAngle = startEl + (targetEl - startEl) * ease;\n                            distanceFactor = startDist + (targetDist - startDist) * ease;\n\n                            updatePositions();\n                            if (t < 1) requestAnimationFrame(animateSnap);\n                            else updatePropsAndTrigger();\n                        }\n                        animateSnap();\n                    }\n                    isDragging = false;\n                    dragTarget = null;\n                    canvas.style.cursor = 'default';\n                };\n\n                canvas.addEventListener('mouseup', onMouseUp);\n                canvas.addEventListener('mouseleave', onMouseUp);\n                // Touch support for mobile\n                canvas.addEventListener('touchstart', (e) => {\n                    e.preventDefault();\n                    const touch = e.touches[0];\n                    const rect = canvas.getBoundingClientRect();\n                    mouse.x = ((touch.clientX - rect.left) / rect.width) * 2 - 1;\n                    mouse.y = -((touch.clientY - rect.top) / rect.height) * 2 + 1;\n\n                    raycaster.setFromCamera(mouse, camera);\n                    const intersects = raycaster.intersectObjects([azimuthHandle, elevationHandle, distanceHandle]);\n\n                    if (intersects.length > 0) {\n                        isDragging = true;\n                        dragTarget = intersects[0].object;\n                        dragTarget.material.emissiveIntensity = 1.0;\n                        dragTarget.scale.setScalar(1.3);\n                        dragStartMouse.copy(mouse);\n                        dragStartDistance = distanceFactor;\n                    }\n                }, { passive: false });\n\n                canvas.addEventListener('touchmove', (e) => {\n                    e.preventDefault();\n                    const touch = e.touches[0];\n                    const rect = canvas.getBoundingClientRect();\n                    mouse.x = ((touch.clientX - rect.left) / rect.width) * 2 - 1;\n                    mouse.y = -((touch.clientY - rect.top) / rect.height) * 2 + 1;\n\n                    if (isDragging && dragTarget) {\n                        raycaster.setFromCamera(mouse, camera);\n\n                        if (dragTarget.userData.type === 'azimuth') {\n                            const plane = new THREE.Plane(new THREE.Vector3(0, 1, 0), -0.05);\n                            if (raycaster.ray.intersectPlane(plane, intersection)) {\n                                azimuthAngle = THREE.MathUtils.radToDeg(Math.atan2(intersection.x, intersection.z));\n                                if (azimuthAngle < 0) azimuthAngle += 360;\n                            }\n                        } else if (dragTarget.userData.type === 'elevation') {\n                            const plane = new THREE.Plane(new THREE.Vector3(1, 0, 0), -0.8);\n                            if (raycaster.ray.intersectPlane(plane, intersection)) {\n                                const relY = intersection.y - CENTER.y;\n                                const relZ = intersection.z;\n                                elevationAngle = THREE.MathUtils.clamp(THREE.MathUtils.radToDeg(Math.atan2(relY, relZ)), -30, 60);\n                            }\n                        } else if (dragTarget.userData.type === 'distance') {\n                            const deltaY = mouse.y - dragStartMouse.y;\n                            distanceFactor = THREE.MathUtils.clamp(dragStartDistance - deltaY * 1.5, 0.6, 1.4);\n                        }\n                        updatePositions();\n                    }\n                }, { passive: false });\n\n                canvas.addEventListener('touchend', (e) => {\n                    e.preventDefault();\n                    onMouseUp();\n                }, { passive: false });\n\n                canvas.addEventListener('touchcancel', (e) => {\n                    e.preventDefault();\n                    onMouseUp();\n                }, { passive: false });\n\n                // Initial update\n                updatePositions();\n\n                // Render loop\n                function render() {\n                    requestAnimationFrame(render);\n                    renderer.render(scene, camera);\n                }\n                render();\n\n                // Handle resize\n                new ResizeObserver(() => {\n                    camera.aspect = wrapper.clientWidth / wrapper.clientHeight;\n                    camera.updateProjectionMatrix();\n                    renderer.setSize(wrapper.clientWidth, wrapper.clientHeight);\n                }).observe(wrapper);\n\n                // Store update functions for external calls\n                wrapper._updateFromProps = (newVal) => {\n                    if (newVal && typeof newVal === 'object') {\n                        azimuthAngle = newVal.azimuth ?? azimuthAngle;\n                        elevationAngle = newVal.elevation ?? elevationAngle;\n                        distanceFactor = newVal.distance ?? distanceFactor;\n                        updatePositions();\n                    }\n                };\n\n                wrapper._updateTexture = updateTextureFromUrl;\n\n                // Watch for prop changes (imageUrl and value)\n                let lastImageUrl = props.imageUrl;\n                let lastValue = JSON.stringify(props.value);\n                setInterval(() => {\n                    // Check imageUrl changes\n                    if (props.imageUrl !== lastImageUrl) {\n                        lastImageUrl = props.imageUrl;\n                        updateTextureFromUrl(props.imageUrl);\n                    }\n                    // Check value changes (from sliders)\n                    const currentValue = JSON.stringify(props.value);\n                    if (currentValue !== lastValue) {\n                        lastValue = currentValue;\n                        if (props.value && typeof props.value === 'object') {\n                            azimuthAngle = props.value.azimuth ?? azimuthAngle;\n                            elevationAngle = props.value.elevation ?? elevationAngle;\n                            distanceFactor = props.value.distance ?? distanceFactor;\n                            updatePositions();\n                        }\n                    }\n                }, 100);\n            };\n\n            initScene();\n        })();\n        \"\"\"\n\n        super().__init__(\n            value=value,\n            html_template=html_template,\n            js_on_load=js_on_load,\n            imageUrl=imageUrl,\n            **kwargs\n        )\n",
  "repo_url": "https://huggingface.co/spaces/multimodalart/qwen-image-multiple-angles-3d-camera/"
},
{
"id": "detection-viewer",
"name": "Detection Viewer",
"description": "Rich viewer for object detection model outputs",
"author": "hysts",
"tags": [],
"category": "display",
"html_template": "<div class=\"pose-viewer-container\" data-panel-title=\"Detections\" data-list-height=\"300\" data-score-threshold-min=\"0.0\" data-score-threshold-max=\"1.0\" data-keypoint-threshold=\"0.0\" data-keypoint-radius=\"3\">\n  <script type=\"application/json\" class=\"pose-data\">${value}</script>\n  <div class=\"canvas-wrapper\">\n    <canvas></canvas>\n  </div>\n  <div class=\"tooltip\"></div>\n  <div class=\"control-panel\">\n    <div class=\"control-panel-header\">\n      <div class=\"control-panel-header-info\">\n        <span class=\"control-panel-title\">Detections</span>\n        <span class=\"control-panel-count\"></span>\n      </div>\n      <div class=\"control-panel-actions\">\n        <button class=\"cp-btn toggle-image-btn active\" title=\"Toggle base image (I)\">Image</button>\n        <button class=\"cp-btn reset-btn\" title=\"Reset to defaults (R)\">&#x21BA;</button>\n        <button class=\"cp-btn help-btn\" title=\"Keyboard shortcuts (?)\">?</button>\n        <button class=\"cp-btn maximize-btn\" title=\"Maximize (F)\">&#x26F6;</button>\n      </div>\n    </div>\n    <div class=\"control-panel-body\">\n      <div class=\"annotation-list\"></div>\n    </div>\n  </div>\n  <div class=\"help-overlay\">\n    <div class=\"help-dialog\">\n      <div class=\"help-header\">\n        <span>Keyboard Shortcuts</span>\n        <button class=\"help-close-btn\">&times;</button>\n      </div>\n      <table class=\"help-table\">\n        <tr><td><kbd>?</kbd></td><td>Show keyboard shortcuts</td></tr>\n        <tr><td><kbd>F</kbd></td><td>Toggle maximize</td></tr>\n        <tr><td><kbd>I</kbd></td><td>Toggle base image</td></tr>\n        <tr><td><kbd>A</kbd></td><td>Toggle all annotations</td></tr>\n        <tr><td><kbd>H</kbd></td><td>Hide selected annotation</td></tr>\n        <tr><td><kbd>Shift+Click</kbd></td><td>Hide clicked annotation</td></tr>\n        <tr><td><kbd>Esc</kbd></td><td>Deselect / exit maximize</td></tr>\n        <tr><td><kbd>+</kbd> / <kbd>-</kbd></td><td>Zoom in / out</td></tr>\n        <tr><td><kbd>0</kbd></td><td>Reset zoom</td></tr>\n        <tr><td><kbd>R</kbd></td><td>Reset all to defaults</td></tr>\n      </table>\n    </div>\n  </div>\n  <div class=\"loading-indicator\"><div class=\"loading-spinner\"></div></div>\n  <div class=\"placeholder\">No data</div>\n</div>\n",
"css_template": ".pose-viewer-container {\n    font-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, sans-serif;\n    user-select: none;\n    width: 100%;\n    position: relative;\n    box-sizing: border-box;\n}\n\n/* \u2500\u2500 Maximized Overlay \u2500\u2500 */\n\n.pose-viewer-container.maximized {\n    position: fixed;\n    top: 0;\n    left: 0;\n    width: 100vw;\n    height: 100vh;\n    z-index: 9999;\n    background: var(--background-fill-primary, #fff);\n    display: flex;\n    flex-direction: column;\n    padding: 0;\n    overflow: hidden;\n}\n\n.pose-viewer-container.maximized .canvas-wrapper {\n    flex: 1;\n    min-height: 0;\n    border-radius: 0;\n    align-items: center;\n}\n\n.pose-viewer-container.maximized .control-panel {\n    flex-shrink: 0;\n    max-height: 40vh;\n    border-radius: 0;\n    border-left: none;\n    border-right: none;\n    border-bottom: none;\n    margin-top: 0;\n}\n\n.pose-viewer-container.maximized .maximize-btn {\n    background: var(--color-accent, #2196F3);\n    color: #fff;\n    border-color: var(--color-accent, #2196F3);\n}\n\n/* \u2500\u2500 Canvas \u2500\u2500 */\n\n.pose-viewer-container .canvas-wrapper {\n    display: none;\n    justify-content: center;\n    border-radius: 4px;\n    overflow: hidden;\n}\n\n.pose-viewer-container .canvas-wrapper canvas {\n    display: block;\n    touch-action: none;\n}\n\n/* \u2500\u2500 Loading Indicator \u2500\u2500 */\n\n.pose-viewer-container .loading-indicator {\n    display: none;\n    justify-content: center;\n    align-items: center;\n    border: 2px dashed var(--border-color-primary, #d0d0d0);\n    border-radius: 8px;\n    padding: 48px 24px;\n}\n\n.pose-viewer-container .loading-indicator.visible {\n    display: flex;\n}\n\n.pose-viewer-container .loading-spinner {\n    width: 24px;\n    height: 24px;\n    border: 3px solid var(--border-color-primary, #d0d0d0);\n    border-top-color: var(--color-accent, #2196F3);\n    border-radius: 50%;\n    animation: detection-viewer-spin 0.8s linear infinite;\n}\n\n@keyframes detection-viewer-spin {\n    to { transform: rotate(360deg); }\n}\n\n/* \u2500\u2500 Placeholder \u2500\u2500 */\n\n.pose-viewer-container .placeholder {\n    border: 2px dashed var(--border-color-primary, #d0d0d0);\n    border-radius: 8px;\n    padding: 48px 24px;\n    text-align: center;\n    color: var(--body-text-color-subdued, #888);\n    font-size: 14px;\n}\n\n.pose-viewer-container .placeholder.hidden {\n    display: none;\n}\n\n/* \u2500\u2500 Tooltip \u2500\u2500 */\n\n.pose-viewer-container .tooltip {\n    display: none;\n    position: absolute;\n    background: rgba(0, 0, 0, 0.8);\n    color: #fff;\n    padding: 4px 8px;\n    border-radius: 4px;\n    font-size: 12px;\n    pointer-events: none;\n    white-space: nowrap;\n    z-index: 10;\n}\n\n.pose-viewer-container .tooltip.visible {\n    display: block;\n}\n\n/* \u2500\u2500 Control Panel \u2500\u2500 */\n\n.pose-viewer-container .control-panel {\n    display: none;\n    flex-direction: column;\n    border: 1px solid var(--border-color-primary, #e0e0e0);\n    border-radius: 6px;\n    margin-top: 8px;\n    font-size: 12px;\n    overflow: hidden;\n}\n\n.pose-viewer-container .control-panel.visible {\n    display: flex;\n}\n\n.pose-viewer-container .control-panel-header {\n    display: flex;\n    align-items: center;\n    justify-content: space-between;\n    padding: 6px 10px;\n    background: var(--background-fill-secondary, #f7f7f7);\n    border-bottom: 1px solid var(--border-color-primary, #e0e0e0);\n}\n\n.pose-viewer-container .control-panel-header-info {\n    display: flex;\n    align-items: center;\n    gap: 8px;\n}\n\n.pose-viewer-container .control-panel-title {\n    font-weight: 600;\n    color: var(--body-text-color, #333);\n}\n\n.pose-viewer-container .control-panel-count {\n    font-weight: 400;\n    color: var(--body-text-color-subdued, #888);\n}\n\n.pose-viewer-container .control-panel-actions {\n    display: flex;\n    align-items: center;\n    gap: 4px;\n}\n\n.pose-viewer-container .cp-btn {\n    all: unset;\n    display: inline-flex;\n    align-items: center;\n    justify-content: center;\n    height: 22px;\n    padding: 0 8px;\n    background: transparent;\n    border: 1px solid var(--border-color-primary, #d0d0d0);\n    border-radius: 3px;\n    cursor: pointer;\n    font-size: 11px;\n    line-height: 1;\n    color: var(--body-text-color, #333);\n    box-sizing: border-box;\n}\n\n.pose-viewer-container .cp-btn:hover {\n    background: var(--background-fill-primary, #eee);\n}\n\n.pose-viewer-container .toggle-image-btn.active {\n    background: var(--color-accent, #2196F3);\n    color: #fff;\n    border-color: var(--color-accent, #2196F3);\n}\n\n.pose-viewer-container .toggle-image-btn.active:hover {\n    opacity: 0.9;\n}\n\n.pose-viewer-container .control-panel-body {\n    overflow-y: auto;\n    min-height: 0;\n}\n\n.pose-viewer-container .annotation-rows {\n    max-height: 300px;\n    overflow: hidden auto;\n}\n\n/* \u2500\u2500 Select-All Row \u2500\u2500 */\n\n.pose-viewer-container .select-all-row {\n    display: flex;\n    align-items: center;\n    gap: 8px;\n    padding: 5px 10px;\n    border-bottom: 1px solid var(--border-color-primary, #e0e0e0);\n    border-left: 3px solid transparent;\n    padding-left: 28px;\n}\n\n.pose-viewer-container .select-all-row .select-all-checkbox {\n    flex-shrink: 0;\n    cursor: pointer;\n}\n\n.pose-viewer-container .select-all-row .select-all-label {\n    font-size: 12px;\n    font-weight: 600;\n    color: var(--body-text-color, #333);\n}\n\n/* \u2500\u2500 Annotation Row \u2500\u2500 */\n\n.pose-viewer-container .annotation-row {\n    display: flex;\n    align-items: center;\n    gap: 8px;\n    padding: 5px 10px;\n    cursor: pointer;\n    border-left: 3px solid transparent;\n    transition: background 0.15s;\n}\n\n.pose-viewer-container .annotation-row:hover {\n    background: var(--background-fill-secondary, #f5f5f5);\n}\n\n.pose-viewer-container .annotation-row .ann-dot {\n    width: 10px;\n    height: 10px;\n    border-radius: 50%;\n    flex-shrink: 0;\n}\n\n.pose-viewer-container .annotation-row .ann-checkbox {\n    flex-shrink: 0;\n    cursor: pointer;\n}\n\n.pose-viewer-container .annotation-row .ann-label {\n    flex: 1;\n    white-space: nowrap;\n    overflow: hidden;\n    text-overflow: ellipsis;\n    color: var(--body-text-color, #333);\n}\n\n.pose-viewer-container .annotation-row .ann-summary {\n    color: var(--body-text-color-subdued, #888);\n    white-space: nowrap;\n    font-size: 11px;\n}\n\n/* \u2500\u2500 Expand Button \u2500\u2500 */\n\n.pose-viewer-container .annotation-row .ann-expand {\n    all: unset;\n    display: inline-flex;\n    align-items: center;\n    justify-content: center;\n    width: 16px;\n    height: 16px;\n    flex-shrink: 0;\n    cursor: pointer;\n    font-size: 8px;\n    color: var(--body-text-color-subdued, #888);\n    border-radius: 3px;\n    transition: transform 0.15s;\n}\n\n.pose-viewer-container .annotation-row .ann-expand:hover {\n    background: var(--border-color-primary, #e0e0e0);\n    color: var(--body-text-color, #333);\n}\n\n.pose-viewer-container .annotation-row .ann-expand.expanded {\n    transform: rotate(90deg);\n}\n\n/* \u2500\u2500 Selected Row \u2500\u2500 */\n\n.pose-viewer-container .annotation-row.selected {\n    border-left-color: var(--color-accent, #2196F3);\n    background: var(--background-fill-secondary, #f0f7ff);\n}\n\n.pose-viewer-container .annotation-row.below-threshold {\n    opacity: 0.4;\n}\n\n/* \u2500\u2500 Annotation Detail \u2500\u2500 */\n\n.pose-viewer-container .annotation-detail {\n    display: none;\n    padding: 6px 10px 8px 31px;\n    font-size: 11px;\n    color: var(--body-text-color-subdued, #666);\n    border-bottom: 1px solid var(--border-color-primary, #eee);\n    max-height: 150px;\n    overflow-y: auto;\n}\n\n.pose-viewer-container .annotation-detail.visible {\n    display: block;\n}\n\n.pose-viewer-container .annotation-detail table {\n    width: 100%;\n    border-collapse: collapse;\n}\n\n.pose-viewer-container .annotation-detail td {\n    padding: 1px 6px 1px 0;\n}\n\n.pose-viewer-container .annotation-detail .detail-section-title {\n    font-weight: 600;\n    margin-bottom: 2px;\n    color: var(--body-text-color, #333);\n}\n\n/* \u2500\u2500 Layer Toggles \u2500\u2500 */\n\n.pose-viewer-container .layer-toggles {\n    display: flex;\n    align-items: center;\n    gap: 4px;\n    padding: 6px 10px;\n    border-bottom: 1px solid var(--border-color-primary, #e0e0e0);\n}\n\n.pose-viewer-container .layer-btn {\n    all: unset;\n    display: inline-flex;\n    align-items: center;\n    justify-content: center;\n    height: 22px;\n    padding: 0 8px;\n    background: var(--background-fill-primary, #eee);\n    border: 1px solid var(--border-color-primary, #d0d0d0);\n    border-radius: 3px;\n    cursor: pointer;\n    font-size: 11px;\n    line-height: 1;\n    color: var(--body-text-color, #333);\n    box-sizing: border-box;\n}\n\n.pose-viewer-container .layer-btn.active {\n    background: var(--color-accent, #2196F3);\n    color: #fff;\n    border-color: var(--color-accent, #2196F3);\n}\n\n/* \u2500\u2500 Label Filters \u2500\u2500 */\n\n.pose-viewer-container .label-filters {\n    display: flex;\n    flex-wrap: wrap;\n    align-items: center;\n    gap: 4px;\n    padding: 6px 10px;\n    border-bottom: 1px solid var(--border-color-primary, #e0e0e0);\n}\n\n.pose-viewer-container .label-filters-title {\n    font-size: 11px;\n    font-weight: 600;\n    color: var(--body-text-color, #333);\n    margin-right: 4px;\n}\n\n.pose-viewer-container .label-filter-btn {\n    all: unset;\n    display: inline-flex;\n    align-items: center;\n    touch-action: manipulation;\n    gap: 4px;\n    height: 22px;\n    padding: 0 8px;\n    background: var(--background-fill-primary, #eee);\n    border: 1px solid var(--border-color-primary, #d0d0d0);\n    border-radius: 3px;\n    cursor: pointer;\n    font-size: 11px;\n    line-height: 1;\n    color: var(--body-text-color-subdued, #888);\n    box-sizing: border-box;\n}\n\n.pose-viewer-container .label-filter-btn.active {\n    color: var(--body-text-color, #333);\n    border-color: var(--body-text-color-subdued, #888);\n}\n\n.pose-viewer-container .label-color-dot {\n    display: inline-block;\n    width: 8px;\n    height: 8px;\n    border-radius: 50%;\n    flex-shrink: 0;\n}\n\n.pose-viewer-container .label-count {\n    opacity: 0.6;\n}\n\n/* \u2500\u2500 Sort Controls \u2500\u2500 */\n\n.pose-viewer-container .sort-controls {\n    display: flex;\n    align-items: center;\n    gap: 4px;\n    padding: 6px 10px;\n    border-bottom: 1px solid var(--border-color-primary, #e0e0e0);\n}\n\n.pose-viewer-container .sort-controls-title {\n    font-size: 11px;\n    font-weight: 600;\n    color: var(--body-text-color, #333);\n    margin-right: 4px;\n}\n\n.pose-viewer-container .sort-btn {\n    all: unset;\n    display: inline-flex;\n    align-items: center;\n    justify-content: center;\n    height: 22px;\n    padding: 0 8px;\n    background: var(--background-fill-primary, #eee);\n    border: 1px solid var(--border-color-primary, #d0d0d0);\n    border-radius: 3px;\n    cursor: pointer;\n    font-size: 11px;\n    line-height: 1;\n    color: var(--body-text-color-subdued, #888);\n    box-sizing: border-box;\n}\n\n.pose-viewer-container .sort-btn.active {\n    color: var(--body-text-color, #333);\n    border-color: var(--body-text-color-subdued, #888);\n}\n\n/* \u2500\u2500 Annotation Group Separator \u2500\u2500 */\n\n.pose-viewer-container .annotation-group-separator {\n    display: flex;\n    align-items: center;\n    gap: 8px;\n    padding: 4px 10px;\n    font-size: 10px;\n    color: var(--body-text-color-subdued, #888);\n}\n\n.pose-viewer-container .annotation-group-separator::before,\n.pose-viewer-container .annotation-group-separator::after {\n    content: \"\";\n    flex: 1;\n    height: 1px;\n    background: var(--border-color-primary, #e0e0e0);\n}\n\n/* \u2500\u2500 Filtered-out Row \u2500\u2500 */\n\n.pose-viewer-container .annotation-row.filtered-out {\n    opacity: 0.4;\n}\n\n/* \u2500\u2500 Threshold Slider \u2500\u2500 */\n\n.pose-viewer-container .threshold-row {\n    display: flex;\n    align-items: center;\n    gap: 8px;\n    padding: 5px 10px;\n    border-bottom: 1px solid var(--border-color-primary, #e0e0e0);\n    font-size: 11px;\n    color: var(--body-text-color, #333);\n}\n\n.pose-viewer-container .threshold-row input[type=\"range\"] {\n    flex: 1;\n    height: 14px;\n    margin: 0;\n    cursor: pointer;\n    -webkit-appearance: none;\n    appearance: none;\n    background: transparent;\n}\n\n.pose-viewer-container .threshold-row input[type=\"range\"]::-webkit-slider-thumb {\n    -webkit-appearance: none;\n    appearance: none;\n    width: 14px;\n    height: 14px;\n    border-radius: 50%;\n    background: var(--color-accent, #2196F3);\n    border: 2px solid #fff;\n    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);\n    cursor: pointer;\n}\n\n.pose-viewer-container .threshold-row input[type=\"range\"]::-moz-range-thumb {\n    width: 14px;\n    height: 14px;\n    border-radius: 50%;\n    background: var(--color-accent, #2196F3);\n    border: 2px solid #fff;\n    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);\n    cursor: pointer;\n}\n\n.pose-viewer-container .threshold-row .threshold-value,\n.pose-viewer-container .threshold-row .slider-value {\n    min-width: 32px;\n    text-align: right;\n    color: var(--body-text-color-subdued, #888);\n}\n\n/* \u2500\u2500 Dual Range Slider \u2500\u2500 */\n\n.pose-viewer-container .dual-range-wrapper {\n    position: relative;\n    flex: 1;\n    height: 4px;\n    border-radius: 2px;\n    background: var(--border-color-primary, #d0d0d0);\n}\n\n.pose-viewer-container .dual-range-wrapper input[type=\"range\"] {\n    position: absolute;\n    top: 50%;\n    left: 0;\n    transform: translateY(-50%);\n    width: 100%;\n    height: 14px;\n    margin: 0;\n    padding: 0;\n    background: transparent;\n    pointer-events: none;\n    -webkit-appearance: none;\n    appearance: none;\n}\n\n.pose-viewer-container .dual-range-wrapper input[type=\"range\"]::-webkit-slider-thumb {\n    -webkit-appearance: none;\n    appearance: none;\n    width: 14px;\n    height: 14px;\n    border-radius: 50%;\n    background: var(--color-accent, #2196F3);\n    border: 2px solid #fff;\n    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);\n    cursor: pointer;\n    pointer-events: all;\n}\n\n.pose-viewer-container .dual-range-wrapper input[type=\"range\"]::-moz-range-thumb {\n    width: 14px;\n    height: 14px;\n    border-radius: 50%;\n    background: var(--color-accent, #2196F3);\n    border: 2px solid #fff;\n    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);\n    cursor: pointer;\n    pointer-events: all;\n}\n\n.pose-viewer-container .dual-range-wrapper input[type=\"range\"]::-webkit-slider-runnable-track {\n    background: transparent;\n}\n\n.pose-viewer-container .dual-range-wrapper input[type=\"range\"]::-moz-range-track {\n    background: transparent;\n}\n\n/* \u2500\u2500 Draw Options (collapsible) \u2500\u2500 */\n\n.pose-viewer-container .draw-options {\n    border-bottom: 1px solid var(--border-color-primary, #e0e0e0);\n}\n\n.pose-viewer-container .draw-options-toggle {\n    all: unset;\n    display: flex;\n    align-items: center;\n    gap: 4px;\n    width: 100%;\n    padding: 4px 10px;\n    cursor: pointer;\n    font-size: 11px;\n    color: var(--body-text-color-subdued, #888);\n    box-sizing: border-box;\n}\n\n.pose-viewer-container .draw-options-toggle:hover {\n    background: var(--background-fill-secondary, #f5f5f5);\n}\n\n.pose-viewer-container .draw-options-arrow {\n    font-size: 8px;\n    transition: transform 0.15s;\n}\n\n.pose-viewer-container .draw-options.open .draw-options-arrow {\n    transform: rotate(90deg);\n}\n\n.pose-viewer-container .draw-options-body {\n    display: none;\n}\n\n.pose-viewer-container .draw-options.open .draw-options-body {\n    display: block;\n}\n\n.pose-viewer-container .draw-options-body .threshold-row {\n    border-bottom: none;\n    padding-top: 2px;\n    padding-bottom: 2px;\n}\n\n.pose-viewer-container .draw-options-body .threshold-row:last-child {\n    padding-bottom: 6px;\n}\n\n/* \u2500\u2500 Help Overlay \u2500\u2500 */\n\n.pose-viewer-container .help-overlay {\n    display: none;\n    position: absolute;\n    top: 0;\n    left: 0;\n    width: 100%;\n    height: 100%;\n    background: rgba(0, 0, 0, 0.4);\n    z-index: 10000;\n    justify-content: center;\n    align-items: center;\n}\n\n.pose-viewer-container.maximized .help-overlay {\n    position: fixed;\n}\n\n.pose-viewer-container .help-overlay.visible {\n    display: flex;\n}\n\n.pose-viewer-container .help-dialog {\n    background: var(--background-fill-primary, #fff);\n    border: 1px solid var(--border-color-primary, #e0e0e0);\n    border-radius: 8px;\n    padding: 16px 20px;\n    max-width: 320px;\n    width: 90%;\n    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.15);\n}\n\n.pose-viewer-container .help-header {\n    display: flex;\n    align-items: center;\n    justify-content: space-between;\n    margin-bottom: 12px;\n    font-size: 14px;\n    font-weight: 600;\n    color: var(--body-text-color, #333);\n}\n\n.pose-viewer-container .help-close-btn {\n    all: unset;\n    cursor: pointer;\n    font-size: 18px;\n    line-height: 1;\n    color: var(--body-text-color-subdued, #888);\n    padding: 0 4px;\n}\n\n.pose-viewer-container .help-close-btn:hover {\n    color: var(--body-text-color, #333);\n}\n\n.pose-viewer-container .help-table {\n    width: 100%;\n    border-collapse: collapse;\n    font-size: 12px;\n    color: var(--body-text-color, #333);\n}\n\n.pose-viewer-container .help-table td {\n    padding: 4px 0;\n}\n\n.pose-viewer-container .help-table td:first-child {\n    white-space: nowrap;\n    padding-right: 16px;\n}\n\n.pose-viewer-container .help-table kbd {\n    display: inline-block;\n    background: var(--background-fill-secondary, #f3f3f3);\n    border: 1px solid var(--border-color-primary, #d0d0d0);\n    border-radius: 3px;\n    padding: 1px 5px;\n    font-family: ui-monospace, SFMono-Regular, \"SF Mono\", Menlo, monospace;\n    font-size: 11px;\n    line-height: 1.4;\n}\n",
"js_on_load": "// Guard: skip if already initialized\nif (element._poseInitialized) return;\nelement._poseInitialized = true;\n\n(function () {\n    \"use strict\";\n\n    var MAX_CANVAS_HEIGHT = 600;\n    var KEYPOINT_RADIUS = 3;\n    var HIT_RADIUS = 10;\n    var MASK_ALPHA = 0.4;\n    var CONNECTION_ALPHA = 0.7;\n    var CONNECTION_WIDTH = 2;\n    var BBOX_LINE_WIDTH = 2;\n    var BBOX_LABEL_FONT = \"bold 11px -apple-system, BlinkMacSystemFont, sans-serif\";\n    var DIM_ALPHA = 0.2;\n    var MIN_ZOOM = 1;\n    var MAX_ZOOM = 20;\n    var ZOOM_SENSITIVITY = 0.001;\n    var DRAG_THRESHOLD = 4;\n\n    // \u2500\u2500 DOM References \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n\n    var container = element.querySelector(\".pose-viewer-container\");\n    var dataScript = element.querySelector(\"script.pose-data\");\n    var canvasWrapper = element.querySelector(\".canvas-wrapper\");\n    var canvas = element.querySelector(\"canvas\");\n    var ctx = canvas.getContext(\"2d\");\n    var tooltip = element.querySelector(\".tooltip\");\n    var controlPanel = element.querySelector(\".control-panel\");\n    var annotationList = element.querySelector(\".annotation-list\");\n\n    // Read configurable threshold defaults\n    var initialScoreThresholdMin = parseFloat(container.getAttribute(\"data-score-threshold-min\")) || 0;\n    var initialScoreThresholdMax = parseFloat(container.getAttribute(\"data-score-threshold-max\"));\n    if (isNaN(initialScoreThresholdMax)) initialScoreThresholdMax = 1;\n    var initialKeypointThreshold = parseFloat(container.getAttribute(\"data-keypoint-threshold\")) || 0;\n    var initialKeypointRadius = parseInt(container.getAttribute(\"data-keypoint-radius\"), 10);\n    if (isNaN(initialKeypointRadius) || initialKeypointRadius < 1) initialKeypointRadius = KEYPOINT_RADIUS;\n    var toggleImageBtn = element.querySelector(\".toggle-image-btn\");\n    var resetBtn = element.querySelector(\".reset-btn\");\n    var maximizeBtn = element.querySelector(\".maximize-btn\");\n    var helpBtn = element.querySelector(\".help-btn\");\n    var helpOverlay = element.querySelector(\".help-overlay\");\n    var helpCloseBtn = element.querySelector(\".help-close-btn\");\n    var loadingIndicator = element.querySelector(\".loading-indicator\");\n    var placeholder = element.querySelector(\".placeholder\");\n    var countEl = element.querySelector(\".control-panel-count\");\n\n    // \u2500\u2500 State \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n\n    var state = {\n        image: null,\n        annotations: [],\n        scale: 1,\n        visibility: [],\n        selectedIndex: -1,\n        showImage: true,\n        layers: { masks: true, boxes: true, skeleton: true, keypoints: true },\n        thresholdMin: initialScoreThresholdMin,\n        thresholdMax: initialScoreThresholdMax,\n        keypointThreshold: initialKeypointThreshold,\n        keypointRadius: initialKeypointRadius,\n        connectionWidth: CONNECTION_WIDTH,\n        maskAlpha: MASK_ALPHA,\n        connectionAlpha: CONNECTION_ALPHA,\n        bboxLineWidth: BBOX_LINE_WIDTH,\n        labelVisibility: {},\n        maskImages: [],\n        zoom: 1,\n        panX: 0,\n        panY: 0,\n        isPanning: false,\n        panStartX: 0,\n        panStartY: 0,\n        panStartPanX: 0,\n        panStartPanY: 0,\n        didDrag: false,\n        maximized: false,\n        sortMode: \"none\",\n        sortedIndices: [],\n        expandedIndex: -1,\n        drawOptionsOpen: false\n    };\n\n    // \u2500\u2500 MutationObserver for value changes \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n\n    var observer = new MutationObserver(function () {\n        handleValueChange();\n    });\n    observer.observe(dataScript, { childList: true, characterData: true, subtree: true });\n\n    // Also handle initial value\n    handleValueChange();\n\n    // \u2500\u2500 Value Change Handler \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n\n    function handleValueChange() {\n        var raw = dataScript.textContent.trim();\n        if (!raw || raw === \"null\") {\n            showPlaceholder();\n            return;\n        }\n\n        var data;\n        try {\n            data = JSON.parse(raw);\n        } catch (e) {\n            showPlaceholder();\n            return;\n        }\n\n        if (!data || !data.image) {\n            showPlaceholder();\n            return;\n        }\n\n        // Update score threshold if provided in payload\n        if (data.scoreThresholdMin != null) {\n            initialScoreThresholdMin = data.scoreThresholdMin;\n            state.thresholdMin = data.scoreThresholdMin;\n        }\n        if (data.scoreThresholdMax != null) {\n            initialScoreThresholdMax = data.scoreThresholdMax;\n            state.thresholdMax = data.scoreThresholdMax;\n        }\n\n        // Show loading spinner while the image is being fetched.\n        // Gradio's updateDOM() resets JS-managed inline styles and\n        // classes back to template defaults on every value change,\n        // so we must re-establish the display state here.\n        showLoading();\n\n        var img = new Image();\n        img.onload = function () {\n            state.image = img;\n            state.annotations = data.annotations || [];\n            state.visibility = [];\n            for (var i = 0; i < state.annotations.length; i++) {\n                state.visibility.push(true);\n            }\n            state.selectedIndex = -1;\n\n            // Build label visibility map\n            state.labelVisibility = {};\n            for (var i = 0; i < state.annotations.length; i++) {\n                var lbl = state.annotations[i].label;\n                if (lbl && !state.labelVisibility.hasOwnProperty(lbl)) {\n                    state.labelVisibility[lbl] = true;\n                }\n            }\n\n            // Decode RLE masks to offscreen canvases\n            state.maskImages = [];\n            for (var i = 0; i < state.annotations.length; i++) {\n                if (state.annotations[i].mask) {\n                    state.maskImages[i] = createMaskCanvas(state.annotations[i].mask, state.annotations[i].color);\n                } else {\n                    state.maskImages[i] = null;\n                }\n            }\n\n            showContent();\n            state.sortMode = getDefaultSortMode();\n            requestAnimationFrame(function () {\n                fitCanvas();\n                state.zoom = 1;\n                state.panX = 0;\n                state.panY = 0;\n                render();\n                renderControlPanel();\n            });\n        };\n        img.src = data.image;\n    }\n\n    // \u2500\u2500 Display States: placeholder / loading / content \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n\n    function showPlaceholder() {\n        state.image = null;\n        state.annotations = [];\n        state.visibility = [];\n        state.selectedIndex = -1;\n        canvasWrapper.style.display = \"none\";\n        loadingIndicator.classList.remove(\"visible\");\n        controlPanel.classList.remove(\"visible\");\n        tooltip.classList.remove(\"visible\");\n        placeholder.classList.remove(\"hidden\");\n    }\n\n    function showLoading() {\n        placeholder.classList.add(\"hidden\");\n        canvasWrapper.style.display = \"none\";\n        controlPanel.classList.remove(\"visible\");\n        loadingIndicator.classList.add(\"visible\");\n    }\n\n    function showContent() {\n        placeholder.classList.add(\"hidden\");\n        loadingIndicator.classList.remove(\"visible\");\n        canvasWrapper.style.display = \"flex\";\n    }\n\n    // \u2500\u2500 Canvas Sizing \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n\n    function fitCanvas() {\n        if (!state.image) return;\n\n        var img = state.image;\n\n        if (state.maximized) {\n            var wrapperW = canvasWrapper.clientWidth || window.innerWidth;\n            var wrapperH = canvasWrapper.clientHeight || window.innerHeight;\n\n            var w = wrapperW;\n            var h = img.naturalHeight * (w / img.naturalWidth);\n\n            if (h > wrapperH) {\n                h = wrapperH;\n                w = img.naturalWidth * (h / img.naturalHeight);\n            }\n\n            canvas.width = Math.round(w);\n            canvas.height = Math.round(h);\n        } else {\n            var maxWidth = canvasWrapper.clientWidth || 800;\n\n            var w = maxWidth;\n            var h = img.naturalHeight * (w / img.naturalWidth);\n\n            if (h > MAX_CANVAS_HEIGHT) {\n                h = MAX_CANVAS_HEIGHT;\n                w = img.naturalWidth * (h / img.naturalHeight);\n            }\n\n            canvas.width = Math.round(w);\n            canvas.height = Math.round(h);\n        }\n        state.scale = canvas.width / img.naturalWidth;\n    }\n\n    // \u2500\u2500 Zoom/Pan Helpers \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n\n    function clientToCanvas(clientX, clientY) {\n        var rect = canvas.getBoundingClientRect();\n        var cssX = (clientX - rect.left) * (canvas.width / rect.width);\n        var cssY = (clientY - rect.top) * (canvas.height / rect.height);\n        return {\n            x: (cssX - state.panX) / state.zoom,\n            y: (cssY - state.panY) / state.zoom\n        };\n    }\n\n    function clampPan() {\n        if (state.zoom <= 1) {\n            state.panX = 0;\n            state.panY = 0;\n            return;\n        }\n        var maxPanX = 0;\n        var minPanX = canvas.width - canvas.width * state.zoom;\n        var maxPanY = 0;\n        var minPanY = canvas.height - canvas.height * state.zoom;\n        if (state.panX > maxPanX) state.panX = maxPanX;\n        if (state.panX < minPanX) state.panX = minPanX;\n        if (state.panY > maxPanY) state.panY = maxPanY;\n        if (state.panY < minPanY) state.panY = minPanY;\n    }\n\n    function zoomToCenter(newZoom) {\n        newZoom = Math.max(MIN_ZOOM, Math.min(MAX_ZOOM, newZoom));\n        var cx = canvas.width / 2;\n        var cy = canvas.height / 2;\n        state.panX = cx - (cx - state.panX) * (newZoom / state.zoom);\n        state.panY = cy - (cy - state.panY) * (newZoom / state.zoom);\n        state.zoom = newZoom;\n        clampPan();\n        render();\n    }\n\n    function resetZoom() {\n        state.zoom = 1;\n        state.panX = 0;\n        state.panY = 0;\n        render();\n    }\n\n    function resetToDefaults() {\n        if (!state.image) return;\n\n        state.showImage = true;\n        toggleImageBtn.classList.add(\"active\");\n\n        state.layers.masks = true;\n        state.layers.boxes = true;\n        state.layers.skeleton = true;\n        state.layers.keypoints = true;\n\n        state.thresholdMin = initialScoreThresholdMin;\n        state.thresholdMax = initialScoreThresholdMax;\n        state.keypointThreshold = initialKeypointThreshold;\n        state.keypointRadius = initialKeypointRadius;\n        state.connectionWidth = CONNECTION_WIDTH;\n        state.maskAlpha = MASK_ALPHA;\n        state.connectionAlpha = CONNECTION_ALPHA;\n        state.bboxLineWidth = BBOX_LINE_WIDTH;\n\n        for (var label in state.labelVisibility) {\n            if (state.labelVisibility.hasOwnProperty(label)) {\n                state.labelVisibility[label] = true;\n            }\n        }\n        for (var i = 0; i < state.visibility.length; i++) {\n            state.visibility[i] = true;\n        }\n\n        state.selectedIndex = -1;\n        state.expandedIndex = -1;\n        state.sortMode = getDefaultSortMode();\n        state.zoom = 1;\n        state.panX = 0;\n        state.panY = 0;\n        canvas.style.cursor = \"default\";\n\n        render();\n        renderControlPanel();\n    }\n\n    // \u2500\u2500 Rendering \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n\n    function isAnnotationVisible(i) {\n        if (!state.visibility[i]) return false;\n        var ann = state.annotations[i];\n        if (ann.score != null && (ann.score < state.thresholdMin || ann.score > state.thresholdMax)) return false;\n        if (ann.label && state.labelVisibility.hasOwnProperty(ann.label) && !state.labelVisibility[ann.label]) return false;\n        return true;\n    }\n\n    function isKeypointVisible(kp) {\n        if (kp.x == null || kp.y == null) return false;\n        if (kp.confidence != null && kp.confidence < state.keypointThreshold) return false;\n        return true;\n    }\n\n    function render() {\n        if (!state.image) return;\n\n        // Clear in screen space\n        ctx.setTransform(1, 0, 0, 1, 0, 0);\n        ctx.clearRect(0, 0, canvas.width, canvas.height);\n\n        // Dark background visible when zoomed/panned\n        if (state.zoom > 1) {\n            ctx.fillStyle = \"#1a1a1a\";\n            ctx.fillRect(0, 0, canvas.width, canvas.height);\n        }\n\n        // Apply zoom+pan transform\n        ctx.setTransform(state.zoom, 0, 0, state.zoom, state.panX, state.panY);\n\n        if (state.showImage) {\n            ctx.drawImage(state.image, 0, 0, canvas.width, canvas.height);\n        } else {\n            ctx.fillStyle = \"#2a2a2a\";\n            ctx.fillRect(0, 0, canvas.width, canvas.height);\n        }\n\n        var hasSelection = state.selectedIndex >= 0;\n\n        // Draw order: masks (back) \u2192 bbox \u2192 connections \u2192 keypoints (front)\n        for (var pass = 0; pass < 4; pass++) {\n            for (var i = 0; i < state.annotations.length; i++) {\n                if (!isAnnotationVisible(i)) continue;\n\n                var ann = state.annotations[i];\n                var dim = hasSelection && i !== state.selectedIndex;\n\n                ctx.save();\n                if (dim) ctx.globalAlpha = DIM_ALPHA;\n\n                if (pass === 0 && state.layers.masks) drawMask(i);\n                else if (pass === 1 && state.layers.boxes) drawBbox(ann);\n                else if (pass === 2 && state.layers.skeleton) drawConnections(ann);\n                else if (pass === 3 && state.layers.keypoints) drawKeypoints(ann);\n\n                ctx.restore();\n            }\n        }\n\n        // Draw zoom indicator in screen space\n        ctx.setTransform(1, 0, 0, 1, 0, 0);\n        if (state.zoom > 1) {\n            var zoomText = Math.round(state.zoom * 100) + \"%\";\n            ctx.font = \"bold 12px -apple-system, BlinkMacSystemFont, sans-serif\";\n            var tm = ctx.measureText(zoomText);\n            var px = canvas.width - tm.width - 12;\n            var py = 8;\n            ctx.fillStyle = \"rgba(0,0,0,0.5)\";\n            ctx.beginPath();\n            ctx.roundRect(px - 6, py - 2, tm.width + 12, 20, 4);\n            ctx.fill();\n            ctx.fillStyle = \"#fff\";\n            ctx.textBaseline = \"top\";\n            ctx.fillText(zoomText, px, py + 2);\n        }\n    }\n\n    function drawMask(i) {\n        var maskImg = state.maskImages[i];\n        if (!maskImg) return;\n        var baseAlpha = ctx.globalAlpha;\n        ctx.globalAlpha = baseAlpha * state.maskAlpha;\n        ctx.drawImage(maskImg, 0, 0, canvas.width, canvas.height);\n        ctx.globalAlpha = baseAlpha;\n    }\n\n    function drawBbox(ann) {\n        var bbox = ann.bbox;\n        if (!bbox) return;\n\n        var x = bbox.x * state.scale;\n        var y = bbox.y * state.scale;\n        var w = bbox.width * state.scale;\n        var h = bbox.height * state.scale;\n        var baseAlpha = ctx.globalAlpha;\n        var iz = 1 / state.zoom;\n\n        ctx.strokeStyle = ann.color;\n        ctx.lineWidth = state.bboxLineWidth * iz;\n        ctx.strokeRect(x, y, w, h);\n\n        // Label + score text\n        var labelText = ann.label || \"\";\n        if (ann.score != null) {\n            labelText += (labelText ? \" \" : \"\") + (ann.score * 100).toFixed(1) + \"%\";\n        }\n        if (labelText) {\n            var fontSize = 11 * iz;\n            ctx.font = \"bold \" + fontSize + \"px -apple-system, BlinkMacSystemFont, sans-serif\";\n            var textMetrics = ctx.measureText(labelText);\n            var textH = 16 * iz;\n            var pad = 4 * iz;\n            var bgW = textMetrics.width + pad * 2;\n            var bgH = textH + pad;\n\n            // Place label above bbox; if clipped, place inside top edge\n            var labelAbove = y - bgH >= 0;\n            var bgY = labelAbove ? y - bgH : y;\n            var textY = labelAbove ? y - pad / 2 : y + bgH - pad / 2;\n\n            // Semi-transparent background\n            ctx.fillStyle = ann.color;\n            ctx.globalAlpha = baseAlpha * 0.7;\n            ctx.fillRect(x, bgY, bgW, bgH);\n\n            // White text\n            ctx.globalAlpha = baseAlpha;\n            ctx.fillStyle = \"#ffffff\";\n            ctx.textBaseline = \"bottom\";\n            ctx.fillText(labelText, x + pad, textY);\n        }\n    }\n\n    function drawConnections(ann) {\n        var kps = ann.keypoints;\n        var conns = ann.connections;\n        if (!conns || conns.length === 0 || !kps || kps.length === 0) return;\n\n        var baseAlpha = ctx.globalAlpha;\n        ctx.strokeStyle = ann.color;\n        ctx.lineWidth = state.connectionWidth / state.zoom;\n        ctx.globalAlpha = baseAlpha * state.connectionAlpha;\n\n        for (var i = 0; i < conns.length; i++) {\n            var idxA = conns[i][0];\n            var idxB = conns[i][1];\n            if (idxA < 0 || idxA >= kps.length || idxB < 0 || idxB >= kps.length) continue;\n\n            var a = kps[idxA];\n            var b = kps[idxB];\n\n            if (!isKeypointVisible(a) || !isKeypointVisible(b)) continue;\n\n            ctx.beginPath();\n            ctx.moveTo(a.x * state.scale, a.y * state.scale);\n            ctx.lineTo(b.x * state.scale, b.y * state.scale);\n            ctx.stroke();\n        }\n\n        ctx.globalAlpha = baseAlpha;\n    }\n\n    function drawKeypoints(ann) {\n        var kps = ann.keypoints;\n        if (!kps || kps.length === 0) return;\n\n        var iz = 1 / state.zoom;\n        for (var i = 0; i < kps.length; i++) {\n            var kp = kps[i];\n            if (!isKeypointVisible(kp)) continue;\n\n            var cx = kp.x * state.scale;\n            var cy = kp.y * state.scale;\n\n            // White border\n            ctx.beginPath();\n            ctx.arc(cx, cy, (state.keypointRadius + 1) * iz, 0, 2 * Math.PI);\n            ctx.fillStyle = \"#ffffff\";\n            ctx.fill();\n\n            // Colored fill\n            ctx.beginPath();\n            ctx.arc(cx, cy, state.keypointRadius * iz, 0, 2 * Math.PI);\n            ctx.fillStyle = ann.color;\n            ctx.fill();\n        }\n    }\n\n    // \u2500\u2500 RLE Decode \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n\n    function createMaskCanvas(rle, colorHex) {\n        var counts = rle.counts;\n        var h = rle.size[0], w = rle.size[1];\n        var r = parseInt(colorHex.slice(1, 3), 16);\n        var g = parseInt(colorHex.slice(3, 5), 16);\n        var b = parseInt(colorHex.slice(5, 7), 16);\n        var offscreen = document.createElement(\"canvas\");\n        offscreen.width = w;\n        offscreen.height = h;\n        var offCtx = offscreen.getContext(\"2d\");\n        var imageData = offCtx.createImageData(w, h);\n        var data = imageData.data;\n        // RLE is column-major (COCO format), convert to row-major ImageData\n        var pos = 0;\n        for (var i = 0; i < counts.length; i++) {\n            var c = counts[i];\n            if (i % 2 === 1) {\n                var end = pos + c;\n                for (var j = pos; j < end; j++) {\n                    var row = j % h;\n                    var col = (j / h) | 0;\n                    var idx = (row * w + col) * 4;\n                    data[idx] = r;\n                    data[idx + 1] = g;\n                    data[idx + 2] = b;\n                    data[idx + 3] = 255;\n                }\n            }\n            pos += c;\n        }\n        offCtx.putImageData(imageData, 0, 0);\n        return offscreen;\n    }\n\n    // \u2500\u2500 Helpers \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n\n    function buildAnnotationSummary(ann) {\n        var parts = [];\n        if (ann.mask) {\n            parts.push(\"mask\");\n        }\n        if (ann.bbox) {\n            parts.push(\"bbox\");\n        }\n        var kps = ann.keypoints || [];\n        if (kps.length > 0) {\n            var validCount = 0;\n            for (var j = 0; j < kps.length; j++) {\n                if (isKeypointVisible(kps[j])) validCount++;\n            }\n            parts.push(validCount + \" pts\");\n        }\n        if (ann.score != null) {\n            parts.push((ann.score * 100).toFixed(1) + \"%\");\n        }\n        return parts.join(\", \") || \"empty\";\n    }\n\n    function escapeHtml(text) {\n        var div = document.createElement(\"div\");\n        div.textContent = text;\n        return div.innerHTML;\n    }\n\n    function getLabelColor(label) {\n        // Return the color of the first annotation with this label\n        for (var i = 0; i < state.annotations.length; i++) {\n            if (state.annotations[i].label === label) {\n                return state.annotations[i].color;\n            }\n        }\n        return \"#888\";\n    }\n\n    function getDefaultSortMode() {\n        var hasScores = false;\n        var hasBboxes = false;\n        for (var i = 0; i < state.annotations.length; i++) {\n            if (state.annotations[i].score != null) hasScores = true;\n            if (state.annotations[i].bbox) hasBboxes = true;\n            if (hasScores && hasBboxes) break;\n        }\n        if (hasScores) return \"score-desc\";\n        if (hasBboxes) return \"size-desc\";\n        return \"none\";\n    }\n\n    function bboxArea(ann) {\n        if (!ann.bbox) return null;\n        return ann.bbox.width * ann.bbox.height;\n    }\n\n    function computeSortedIndices() {\n        var n = state.annotations.length;\n        var indices = [];\n        for (var i = 0; i < n; i++) indices.push(i);\n\n        var mode = state.sortMode;\n        if (mode === \"score-desc\" || mode === \"score-asc\") {\n            var dir = mode === \"score-desc\" ? -1 : 1;\n            indices.sort(function (a, b) {\n                var sa = state.annotations[a].score;\n                var sb = state.annotations[b].score;\n                var hasA = sa != null;\n                var hasB = sb != null;\n                if (hasA && hasB) return (sa - sb) * dir || a - b;\n                if (hasA) return -1;\n                if (hasB) return 1;\n                return a - b;\n            });\n        } else if (mode === \"size-desc\" || mode === \"size-asc\") {\n            var dir = mode === \"size-desc\" ? -1 : 1;\n            indices.sort(function (a, b) {\n                var aa = bboxArea(state.annotations[a]);\n                var ab = bboxArea(state.annotations[b]);\n                var hasA = aa != null;\n                var hasB = ab != null;\n                if (hasA && hasB) return (aa - ab) * dir || a - b;\n                if (hasA) return -1;\n                if (hasB) return 1;\n                return a - b;\n            });\n        }\n\n        // Stable partition: visible first, hidden last (only when some label filter is OFF)\n        var anyLabelFiltered = false;\n        var labels = Object.keys(state.labelVisibility);\n        for (var li = 0; li < labels.length; li++) {\n            if (!state.labelVisibility[labels[li]]) { anyLabelFiltered = true; break; }\n        }\n        if (anyLabelFiltered) {\n            var visible = [];\n            var hidden = [];\n            for (var j = 0; j < indices.length; j++) {\n                var idx = indices[j];\n                var ann = state.annotations[idx];\n                var labelHidden = ann.label && state.labelVisibility.hasOwnProperty(ann.label) && !state.labelVisibility[ann.label];\n                if (labelHidden) hidden.push(idx);\n                else visible.push(idx);\n            }\n            indices = visible.concat(hidden);\n        }\n\n        state.sortedIndices = indices;\n    }\n\n    function handleSortToggle(e) {\n        var key = e.currentTarget.getAttribute(\"data-sort-key\");\n        if (!key) return;\n        // Toggle direction if same key is already active\n        if (state.sortMode === key + \"-desc\") {\n            state.sortMode = key + \"-asc\";\n        } else if (state.sortMode === key + \"-asc\") {\n            state.sortMode = key + \"-desc\";\n        } else {\n            state.sortMode = key + \"-desc\";\n        }\n        computeSortedIndices();\n        renderControlPanel();\n    }\n\n    function updateHeaderStats() {\n        if (!countEl) return;\n\n        var total = state.annotations.length;\n        var visibleCount = 0;\n        var minScore = Infinity;\n        var maxScore = -Infinity;\n        var hasScores = false;\n\n        for (var i = 0; i < state.annotations.length; i++) {\n            if (!isAnnotationVisible(i)) continue;\n            visibleCount++;\n            var ann = state.annotations[i];\n            if (ann.score != null) {\n                hasScores = true;\n                if (ann.score < minScore) minScore = ann.score;\n                if (ann.score > maxScore) maxScore = ann.score;\n            }\n        }\n\n        var text = visibleCount + \" / \" + total;\n        if (hasScores && visibleCount > 0) {\n            text += \" \\u00B7 \" + (minScore * 100).toFixed(0) + \"\\u2013\" + (maxScore * 100).toFixed(0) + \"%\";\n        }\n        countEl.textContent = text;\n    }\n\n    // \u2500\u2500 Control Panel \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n\n    function renderControlPanel() {\n        if (state.annotations.length === 0) {\n            controlPanel.classList.remove(\"visible\");\n            annotationList.innerHTML = \"\";\n            return;\n        }\n\n        computeSortedIndices();\n\n        var html = \"\";\n\n        // Detect which layer types are present in annotations\n        var availableLayers = [];\n        var hasMasks = false, hasBoxes = false, hasSkeleton = false, hasKeypoints = false;\n        for (var i = 0; i < state.annotations.length; i++) {\n            var ann = state.annotations[i];\n            if (ann.mask) hasMasks = true;\n            if (ann.bbox) hasBoxes = true;\n            if (ann.connections && ann.connections.length > 0) hasSkeleton = true;\n            if (ann.keypoints && ann.keypoints.length > 0) hasKeypoints = true;\n        }\n        if (hasMasks) availableLayers.push(\"masks\");\n        if (hasBoxes) availableLayers.push(\"boxes\");\n        if (hasSkeleton) availableLayers.push(\"skeleton\");\n        if (hasKeypoints) availableLayers.push(\"keypoints\");\n\n        var layerLabels = { masks: \"Masks\", boxes: \"Boxes\", skeleton: \"Skeleton\", keypoints: \"Keypoints\" };\n\n        // Only show layer toggles when 2+ types are present\n        if (availableLayers.length >= 2) {\n            html += '<div class=\"layer-toggles\">';\n            for (var i = 0; i < availableLayers.length; i++) {\n                var layer = availableLayers[i];\n                html += '<button class=\"layer-btn' + (state.layers[layer] ? ' active' : '') + '\" data-layer=\"' + layer + '\">' + layerLabels[layer] + '</button>';\n            }\n            html += '</div>';\n        }\n\n        // Label filters with counts\n        var labels = Object.keys(state.labelVisibility);\n        if (labels.length > 0) {\n            var labelTotalCounts = {};\n            for (var i = 0; i < state.annotations.length; i++) {\n                var lbl = state.annotations[i].label;\n                if (lbl) labelTotalCounts[lbl] = (labelTotalCounts[lbl] || 0) + 1;\n            }\n            html += '<div class=\"label-filters\">';\n            html += '<span class=\"label-filters-title\">Labels</span>';\n            for (var li = 0; li < labels.length; li++) {\n                var lbl = labels[li];\n                var lblActive = state.labelVisibility[lbl];\n                var lblColor = getLabelColor(lbl);\n                html += '<button class=\"label-filter-btn' + (lblActive ? ' active' : '') + '\" data-label=\"' + escapeHtml(lbl) + '\">';\n                html += '<span class=\"label-color-dot\" style=\"background:' + lblColor + '\"></span>';\n                html += escapeHtml(lbl) + ' <span class=\"label-count\">' + (labelTotalCounts[lbl] || 0) + '</span>';\n                html += '</button>';\n            }\n            html += '</div>';\n        }\n\n        // Sort controls\n        var hasScoresForSort = false;\n        var hasBboxesForSort = false;\n        for (var si = 0; si < state.annotations.length; si++) {\n            if (state.annotations[si].score != null) hasScoresForSort = true;\n            if (state.annotations[si].bbox) hasBboxesForSort = true;\n        }\n        if (hasScoresForSort || hasBboxesForSort) {\n            var sortButtons = [];\n            if (hasScoresForSort) sortButtons.push(\"score\");\n            if (hasBboxesForSort) sortButtons.push(\"size\");\n            // Only show controls when 2+ sort options exist\n            if (sortButtons.length >= 2) {\n                var sortLabels = { score: \"Score\", size: \"Size\" };\n                html += '<div class=\"sort-controls\">';\n                html += '<span class=\"sort-controls-title\">Sort</span>';\n                for (var sbi = 0; sbi < sortButtons.length; sbi++) {\n                    var sk = sortButtons[sbi];\n                    var isDesc = state.sortMode === sk + \"-desc\";\n                    var isAsc = state.sortMode === sk + \"-asc\";\n                    var isActive = isDesc || isAsc;\n                    var arrow = isActive ? (isDesc ? \" \\u25BC\" : \" \\u25B2\") : \"\";\n                    html += '<button class=\"sort-btn' + (isActive ? ' active' : '') + '\" data-sort-key=\"' + sk + '\">' + sortLabels[sk] + arrow + '</button>';\n                }\n                html += '</div>';\n            }\n        }\n\n        // Dual-thumb score threshold slider\n        html += '<div class=\"threshold-row\">';\n        html += '<span>Score</span>';\n        html += '<div class=\"dual-range-wrapper\">';\n        html += '<input type=\"range\" class=\"threshold-slider-min\" min=\"0\" max=\"100\" value=\"' + Math.round(state.thresholdMin * 100) + '\">';\n        html += '<input type=\"range\" class=\"threshold-slider-max\" min=\"0\" max=\"100\" value=\"' + Math.round(state.thresholdMax * 100) + '\">';\n        html += '</div>';\n        html += '<span class=\"threshold-value\">' + Math.round(state.thresholdMin * 100) + '%\\u2013' + Math.round(state.thresholdMax * 100) + '%</span>';\n        html += '</div>';\n\n        // Keypoint threshold slider (only when annotations have keypoints)\n        if (hasKeypoints) {\n            html += '<div class=\"threshold-row\">';\n            html += '<span>Keypoint &ge;</span>';\n            html += '<input type=\"range\" class=\"keypoint-threshold-slider\" min=\"0\" max=\"100\" value=\"' + Math.round(state.keypointThreshold * 100) + '\">';\n            html += '<span class=\"keypoint-threshold-value\">' + Math.round(state.keypointThreshold * 100) + '%</span>';\n            html += '</div>';\n        }\n\n        // Collapsible draw options section\n        var drawOptionsHtml = '';\n        if (hasMasks) {\n            drawOptionsHtml += '<div class=\"threshold-row\">';\n            drawOptionsHtml += '<span>Mask Opacity</span>';\n            drawOptionsHtml += '<input type=\"range\" class=\"mask-alpha-slider\" min=\"0\" max=\"100\" step=\"5\" value=\"' + Math.round(state.maskAlpha * 100) + '\">';\n            drawOptionsHtml += '<span class=\"slider-value mask-alpha-value\">' + Math.round(state.maskAlpha * 100) + '%</span>';\n            drawOptionsHtml += '</div>';\n        }\n        if (hasKeypoints) {\n            drawOptionsHtml += '<div class=\"threshold-row\">';\n            drawOptionsHtml += '<span>Keypoint Size</span>';\n            drawOptionsHtml += '<input type=\"range\" class=\"keypoint-radius-slider\" min=\"1\" max=\"20\" step=\"1\" value=\"' + state.keypointRadius + '\">';\n            drawOptionsHtml += '<span class=\"slider-value keypoint-radius-value\">' + state.keypointRadius + '</span>';\n            drawOptionsHtml += '</div>';\n        }\n        if (hasSkeleton) {\n            drawOptionsHtml += '<div class=\"threshold-row\">';\n            drawOptionsHtml += '<span>Line Width</span>';\n            drawOptionsHtml += '<input type=\"range\" class=\"connection-width-slider\" min=\"1\" max=\"10\" step=\"1\" value=\"' + state.connectionWidth + '\">';\n            drawOptionsHtml += '<span class=\"slider-value connection-width-value\">' + state.connectionWidth + '</span>';\n            drawOptionsHtml += '</div>';\n            drawOptionsHtml += '<div class=\"threshold-row\">';\n            drawOptionsHtml += '<span>Line Opacity</span>';\n            drawOptionsHtml += '<input type=\"range\" class=\"connection-alpha-slider\" min=\"0\" max=\"100\" step=\"5\" value=\"' + Math.round(state.connectionAlpha * 100) + '\">';\n            drawOptionsHtml += '<span class=\"slider-value connection-alpha-value\">' + Math.round(state.connectionAlpha * 100) + '%</span>';\n            drawOptionsHtml += '</div>';\n        }\n        if (hasBoxes) {\n            drawOptionsHtml += '<div class=\"threshold-row\">';\n            drawOptionsHtml += '<span>Box Width</span>';\n            drawOptionsHtml += '<input type=\"range\" class=\"bbox-line-width-slider\" min=\"1\" max=\"10\" step=\"1\" value=\"' + state.bboxLineWidth + '\">';\n            drawOptionsHtml += '<span class=\"slider-value bbox-line-width-value\">' + state.bboxLineWidth + '</span>';\n            drawOptionsHtml += '</div>';\n        }\n        if (drawOptionsHtml) {\n            html += '<div class=\"draw-options' + (state.drawOptionsOpen ? ' open' : '') + '\">';\n            html += '<button class=\"draw-options-toggle\">Draw Options <span class=\"draw-options-arrow\">&#9654;</span></button>';\n            html += '<div class=\"draw-options-body\">' + drawOptionsHtml + '</div>';\n            html += '</div>';\n        }\n\n        // Select-all row + scrollable annotation rows container\n        html += '<div class=\"annotation-rows\">';\n\n        var allChecked = true;\n        var anyChecked = false;\n        for (var i = 0; i < state.visibility.length; i++) {\n            if (state.visibility[i]) anyChecked = true;\n            else allChecked = false;\n        }\n        html += '<div class=\"select-all-row\">';\n        html += '<input type=\"checkbox\" class=\"select-all-checkbox\"' + (anyChecked ? ' checked' : '') + '>';\n        html += '<span class=\"select-all-label\">All</span>';\n        html += '</div>';\n\n        // Annotation rows (iterate in sorted/grouped order)\n        var anyLabelFiltered = false;\n        var labelKeys = Object.keys(state.labelVisibility);\n        for (var li = 0; li < labelKeys.length; li++) {\n            if (!state.labelVisibility[labelKeys[li]]) { anyLabelFiltered = true; break; }\n        }\n        var separatorInserted = false;\n\n        for (var si = 0; si < state.sortedIndices.length; si++) {\n            var i = state.sortedIndices[si];\n            var ann = state.annotations[i];\n            var visible = state.visibility[i];\n            var selected = state.selectedIndex === i;\n            var summary = buildAnnotationSummary(ann);\n            var outsideRange = ann.score != null && (ann.score < state.thresholdMin || ann.score > state.thresholdMax);\n            var labelHidden = ann.label && state.labelVisibility.hasOwnProperty(ann.label) && !state.labelVisibility[ann.label];\n\n            // Insert separator before the first label-hidden item\n            if (anyLabelFiltered && labelHidden && !separatorInserted) {\n                html += '<div class=\"annotation-group-separator\"><span>Hidden</span></div>';\n                separatorInserted = true;\n            }\n\n            var expanded = state.expandedIndex === i;\n\n            html += '<div class=\"annotation-row' + (selected ? ' selected' : '') + (outsideRange ? ' below-threshold' : '') + (labelHidden ? ' filtered-out' : '') + '\" data-index=\"' + i + '\">';\n            html += '<span class=\"ann-dot\" style=\"background:' + ann.color + '\"></span>';\n            html += '<input type=\"checkbox\" class=\"ann-checkbox\" data-index=\"' + i + '\"' + (visible ? ' checked' : '') + '>';\n            html += '<span class=\"ann-label\">' + escapeHtml(ann.label) + '</span>';\n            html += '<span class=\"ann-summary\">' + escapeHtml(summary) + '</span>';\n            html += '<button class=\"ann-expand' + (expanded ? ' expanded' : '') + '\" data-index=\"' + i + '\">&#9654;</button>';\n            html += '</div>';\n\n            // Detail panel (shown when expand button is clicked)\n            html += '<div class=\"annotation-detail' + (expanded ? ' visible' : '') + '\" data-index=\"' + i + '\">';\n            html += buildDetailHtml(ann);\n            html += '</div>';\n        }\n\n        html += '</div>'; // close .annotation-rows\n\n        annotationList.innerHTML = html;\n        controlPanel.classList.add(\"visible\");\n        updateHeaderStats();\n\n        // Initialize dual-range track highlight\n        var dualWrapper = annotationList.querySelector(\".dual-range-wrapper\");\n        if (dualWrapper) updateDualRangeTrack(dualWrapper);\n\n        // Bind layer toggle events\n        var layerBtns = annotationList.querySelectorAll(\".layer-btn\");\n        for (var i = 0; i < layerBtns.length; i++) {\n            layerBtns[i].addEventListener(\"click\", handleLayerToggle);\n        }\n\n        // Bind label filter events (single-click: toggle, double-click: solo)\n        var labelBtns = annotationList.querySelectorAll(\".label-filter-btn\");\n        for (var i = 0; i < labelBtns.length; i++) {\n            labelBtns[i].addEventListener(\"click\", handleLabelFilterClick);\n            labelBtns[i].addEventListener(\"dblclick\", handleLabelFilterDblClick);\n        }\n\n        // Bind sort button events\n        var sortBtns = annotationList.querySelectorAll(\".sort-btn\");\n        for (var i = 0; i < sortBtns.length; i++) {\n            sortBtns[i].addEventListener(\"click\", handleSortToggle);\n        }\n\n        // Bind dual threshold sliders\n        var sliderMin = annotationList.querySelector(\".threshold-slider-min\");\n        var sliderMax = annotationList.querySelector(\".threshold-slider-max\");\n        if (sliderMin) sliderMin.addEventListener(\"input\", handleThresholdMinChange);\n        if (sliderMax) sliderMax.addEventListener(\"input\", handleThresholdMaxChange);\n\n        // Bind keypoint threshold slider\n        var kpSlider = annotationList.querySelector(\".keypoint-threshold-slider\");\n        if (kpSlider) {\n            kpSlider.addEventListener(\"input\", handleKeypointThresholdChange);\n        }\n\n        // Bind draw options toggle\n        var drawToggle = annotationList.querySelector(\".draw-options-toggle\");\n        if (drawToggle) {\n            drawToggle.addEventListener(\"click\", function () {\n                var section = drawToggle.closest(\".draw-options\");\n                section.classList.toggle(\"open\");\n                state.drawOptionsOpen = section.classList.contains(\"open\");\n            });\n        }\n\n        // Bind visual parameter sliders\n        var maSlider = annotationList.querySelector(\".mask-alpha-slider\");\n        if (maSlider) {\n            maSlider.addEventListener(\"input\", handleMaskAlphaChange);\n        }\n        var krSlider = annotationList.querySelector(\".keypoint-radius-slider\");\n        if (krSlider) {\n            krSlider.addEventListener(\"input\", handleKeypointRadiusChange);\n        }\n        var cwSlider = annotationList.querySelector(\".connection-width-slider\");\n        if (cwSlider) {\n            cwSlider.addEventListener(\"input\", handleConnectionWidthChange);\n        }\n        var caSlider = annotationList.querySelector(\".connection-alpha-slider\");\n        if (caSlider) {\n            caSlider.addEventListener(\"input\", handleConnectionAlphaChange);\n        }\n        var blwSlider = annotationList.querySelector(\".bbox-line-width-slider\");\n        if (blwSlider) {\n            blwSlider.addEventListener(\"input\", handleBboxLineWidthChange);\n        }\n\n        // Initialize single slider track fills\n        var singleSliders = annotationList.querySelectorAll('.threshold-row input[type=\"range\"]:not(.threshold-slider-min):not(.threshold-slider-max)');\n        for (var i = 0; i < singleSliders.length; i++) {\n            updateSliderTrack(singleSliders[i]);\n        }\n\n        // Bind select-all checkbox\n        var selectAllCb = annotationList.querySelector(\".select-all-checkbox\");\n        if (selectAllCb) {\n            // Set indeterminate state: some checked but not all\n            if (anyChecked && !allChecked) {\n                selectAllCb.indeterminate = true;\n            }\n            selectAllCb.addEventListener(\"change\", function (e) {\n                var newVal = e.target.checked;\n                for (var i = 0; i < state.visibility.length; i++) {\n                    state.visibility[i] = newVal;\n                }\n                render();\n                renderControlPanel();\n            });\n        }\n\n        // Bind checkbox events\n        var checkboxes = annotationList.querySelectorAll(\".ann-checkbox\");\n        for (var i = 0; i < checkboxes.length; i++) {\n            checkboxes[i].addEventListener(\"change\", handleCheckboxChange);\n            checkboxes[i].addEventListener(\"click\", function (e) { e.stopPropagation(); });\n        }\n\n        // Bind expand button events\n        var expandBtns = annotationList.querySelectorAll(\".ann-expand\");\n        for (var i = 0; i < expandBtns.length; i++) {\n            expandBtns[i].addEventListener(\"click\", handleExpandClick);\n        }\n\n        // Bind row click events\n        var rows = annotationList.querySelectorAll(\".annotation-row\");\n        for (var i = 0; i < rows.length; i++) {\n            rows[i].addEventListener(\"click\", handleRowClick);\n        }\n    }\n\n    function buildDetailHtml(ann) {\n        var html = \"\";\n        if (ann.bbox) {\n            html += '<div class=\"detail-section-title\">Bounding Box</div>';\n            html += '<table>';\n            html += '<tr><td>Position:</td><td>' + ann.bbox.x.toFixed(1) + ', ' + ann.bbox.y.toFixed(1) + '</td></tr>';\n            html += '<tr><td>Size:</td><td>' + ann.bbox.width.toFixed(1) + ' &times; ' + ann.bbox.height.toFixed(1) + '</td></tr>';\n            if (ann.score != null) {\n                html += '<tr><td>Score:</td><td>' + (ann.score * 100).toFixed(1) + '%</td></tr>';\n            }\n            html += '</table>';\n        }\n        var kps = ann.keypoints || [];\n        if (kps.length > 0) {\n            html += '<div class=\"detail-section-title\">Keypoints</div>';\n            html += '<table>';\n            for (var j = 0; j < kps.length; j++) {\n                var kp = kps[j];\n                var name = kp.name || (\"kp\" + j);\n                var coords = (kp.x != null && kp.y != null) ? kp.x.toFixed(1) + ', ' + kp.y.toFixed(1) : \"missing\";\n                var conf = kp.confidence != null ? (kp.confidence * 100).toFixed(1) + '%' : \"\";\n                html += '<tr><td>' + escapeHtml(name) + '</td><td>' + coords + '</td><td>' + conf + '</td></tr>';\n            }\n            html += '</table>';\n        }\n        return html || '<span>No details available</span>';\n    }\n\n    // \u2500\u2500 Event Handlers \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n\n    function handleLayerToggle(e) {\n        var layer = e.target.getAttribute(\"data-layer\");\n        if (layer && state.layers.hasOwnProperty(layer)) {\n            state.layers[layer] = !state.layers[layer];\n            render();\n            renderControlPanel();\n        }\n    }\n\n    var labelClickTimer = null;\n\n    function handleLabelFilterClick(e) {\n        var label = e.currentTarget.getAttribute(\"data-label\");\n        if (!label || !state.labelVisibility.hasOwnProperty(label)) return;\n        if (labelClickTimer) clearTimeout(labelClickTimer);\n        labelClickTimer = setTimeout(function () {\n            labelClickTimer = null;\n            var newVal = !state.labelVisibility[label];\n            state.labelVisibility[label] = newVal;\n            for (var i = 0; i < state.annotations.length; i++) {\n                if (state.annotations[i].label === label) {\n                    state.visibility[i] = newVal;\n                }\n            }\n            render();\n            renderControlPanel();\n        }, 200);\n    }\n\n    function handleLabelFilterDblClick(e) {\n        e.preventDefault();\n        if (labelClickTimer) {\n            clearTimeout(labelClickTimer);\n            labelClickTimer = null;\n        }\n        var label = e.currentTarget.getAttribute(\"data-label\");\n        if (!label || !state.labelVisibility.hasOwnProperty(label)) return;\n\n        // Check if this label is already solo (only this one is ON)\n        var labels = Object.keys(state.labelVisibility);\n        var onlyThisOn = labels.every(function (l) {\n            return l === label ? state.labelVisibility[l] : !state.labelVisibility[l];\n        });\n\n        if (onlyThisOn) {\n            // Unsolo: turn all labels ON\n            for (var li = 0; li < labels.length; li++) {\n                state.labelVisibility[labels[li]] = true;\n            }\n            for (var i = 0; i < state.annotations.length; i++) {\n                state.visibility[i] = true;\n            }\n        } else {\n            // Solo: turn only this label ON\n            for (var li = 0; li < labels.length; li++) {\n                state.labelVisibility[labels[li]] = (labels[li] === label);\n            }\n            for (var i = 0; i < state.annotations.length; i++) {\n                state.visibility[i] = (state.annotations[i].label === label);\n            }\n        }\n        render();\n        renderControlPanel();\n    }\n\n    function updateThresholdUI() {\n        render();\n        var label = annotationList.querySelector(\".threshold-value\");\n        if (label) label.textContent = Math.round(state.thresholdMin * 100) + '%\\u2013' + Math.round(state.thresholdMax * 100) + '%';\n        // Update row opacity for outside-range items\n        var rows = annotationList.querySelectorAll(\".annotation-row\");\n        for (var i = 0; i < rows.length; i++) {\n            var idx = parseInt(rows[i].getAttribute(\"data-index\"), 10);\n            var ann = state.annotations[idx];\n            var outsideRange = ann.score != null && (ann.score < state.thresholdMin || ann.score > state.thresholdMax);\n            if (outsideRange) {\n                rows[i].classList.add(\"below-threshold\");\n            } else {\n                rows[i].classList.remove(\"below-threshold\");\n            }\n        }\n        // Update track highlight\n        var wrapper = annotationList.querySelector(\".dual-range-wrapper\");\n        if (wrapper) updateDualRangeTrack(wrapper);\n        updateHeaderStats();\n    }\n\n    function handleThresholdMinChange(e) {\n        var val = parseInt(e.target.value, 10) / 100;\n        state.thresholdMin = Math.min(val, state.thresholdMax);\n        e.target.value = Math.round(state.thresholdMin * 100);\n        updateThresholdUI();\n    }\n\n    function handleThresholdMaxChange(e) {\n        var val = parseInt(e.target.value, 10) / 100;\n        state.thresholdMax = Math.max(val, state.thresholdMin);\n        e.target.value = Math.round(state.thresholdMax * 100);\n        updateThresholdUI();\n    }\n\n    function updateSliderTrack(slider) {\n        var min = parseFloat(slider.min) || 0;\n        var max = parseFloat(slider.max) || 100;\n        var val = parseFloat(slider.value) || 0;\n        var pct = ((val - min) / (max - min)) * 100;\n        var t = 'calc(50% - 2px)';\n        var b = 'calc(50% + 2px)';\n        slider.style.background =\n            'linear-gradient(to bottom, transparent ' + t + ', var(--color-accent, #2196F3) ' + t + ', var(--color-accent, #2196F3) ' + b + ', transparent ' + b + ') 0 0 / ' + pct + '% 100% no-repeat, ' +\n            'linear-gradient(to bottom, transparent ' + t + ', var(--border-color-primary, #d0d0d0) ' + t + ', var(--border-color-primary, #d0d0d0) ' + b + ', transparent ' + b + ')';\n    }\n\n    function updateDualRangeTrack(wrapper) {\n        var minVal = Math.round(state.thresholdMin * 100);\n        var maxVal = Math.round(state.thresholdMax * 100);\n        wrapper.style.background = 'linear-gradient(to right, var(--border-color-primary, #d0d0d0) ' + minVal + '%, var(--color-accent, #2196F3) ' + minVal + '%, var(--color-accent, #2196F3) ' + maxVal + '%, var(--border-color-primary, #d0d0d0) ' + maxVal + '%)';\n    }\n\n    function handleKeypointThresholdChange(e) {\n        state.keypointThreshold = parseInt(e.target.value, 10) / 100;\n        render();\n        updateSliderTrack(e.target);\n        // Update keypoint threshold label\n        var label = annotationList.querySelector(\".keypoint-threshold-value\");\n        if (label) label.textContent = Math.round(state.keypointThreshold * 100) + '%';\n        updateHeaderStats();\n        // Update annotation summaries\n        var summaryEls = annotationList.querySelectorAll(\".ann-summary\");\n        for (var i = 0; i < summaryEls.length; i++) {\n            var row = summaryEls[i].closest(\".annotation-row\");\n            if (row) {\n                var idx = parseInt(row.getAttribute(\"data-index\"), 10);\n                summaryEls[i].textContent = buildAnnotationSummary(state.annotations[idx]);\n            }\n        }\n    }\n\n    function handleKeypointRadiusChange(e) {\n        state.keypointRadius = parseInt(e.target.value, 10);\n        render();\n        updateSliderTrack(e.target);\n        var label = annotationList.querySelector(\".keypoint-radius-value\");\n        if (label) label.textContent = state.keypointRadius;\n    }\n\n    function handleConnectionWidthChange(e) {\n        state.connectionWidth = parseInt(e.target.value, 10);\n        render();\n        updateSliderTrack(e.target);\n        var label = annotationList.querySelector(\".connection-width-value\");\n        if (label) label.textContent = state.connectionWidth;\n    }\n\n    function handleMaskAlphaChange(e) {\n        state.maskAlpha = parseInt(e.target.value, 10) / 100;\n        render();\n        updateSliderTrack(e.target);\n        var label = annotationList.querySelector(\".mask-alpha-value\");\n        if (label) label.textContent = Math.round(state.maskAlpha * 100) + '%';\n    }\n\n    function handleConnectionAlphaChange(e) {\n        state.connectionAlpha = parseInt(e.target.value, 10) / 100;\n        render();\n        updateSliderTrack(e.target);\n        var label = annotationList.querySelector(\".connection-alpha-value\");\n        if (label) label.textContent = Math.round(state.connectionAlpha * 100) + '%';\n    }\n\n    function handleBboxLineWidthChange(e) {\n        state.bboxLineWidth = parseInt(e.target.value, 10);\n        render();\n        updateSliderTrack(e.target);\n        var label = annotationList.querySelector(\".bbox-line-width-value\");\n        if (label) label.textContent = state.bboxLineWidth;\n    }\n\n    function handleExpandClick(e) {\n        e.stopPropagation();\n        var idx = parseInt(e.currentTarget.getAttribute(\"data-index\"), 10);\n        if (state.expandedIndex === idx) {\n            state.expandedIndex = -1;\n        } else {\n            state.expandedIndex = idx;\n        }\n        renderControlPanel();\n    }\n\n    function handleCheckboxChange(e) {\n        var idx = parseInt(e.target.getAttribute(\"data-index\"), 10);\n        state.visibility[idx] = e.target.checked;\n        render();\n        updateHeaderStats();\n    }\n\n    function handleRowClick(e) {\n        var idx = parseInt(e.currentTarget.getAttribute(\"data-index\"), 10);\n        if (state.selectedIndex === idx) {\n            state.selectedIndex = -1;\n        } else {\n            state.selectedIndex = idx;\n        }\n        render();\n        renderControlPanel();\n    }\n\n    // Toggle base image\n    toggleImageBtn.addEventListener(\"click\", function () {\n        state.showImage = !state.showImage;\n        toggleImageBtn.classList.toggle(\"active\", state.showImage);\n        render();\n    });\n\n    // Reset to defaults\n    resetBtn.addEventListener(\"click\", resetToDefaults);\n\n    // Maximize / minimize\n    function toggleMaximize() {\n        state.maximized = !state.maximized;\n        container.classList.toggle(\"maximized\", state.maximized);\n\n        if (state.maximized) {\n            document.body.style.overflow = \"hidden\";\n        } else {\n            document.body.style.overflow = \"\";\n        }\n\n        if (state.image) {\n            requestAnimationFrame(function () {\n                fitCanvas();\n                resetZoom();\n            });\n        }\n    }\n\n    maximizeBtn.addEventListener(\"click\", toggleMaximize);\n\n    // Help dialog\n    function toggleHelp() {\n        helpOverlay.classList.toggle(\"visible\");\n    }\n\n    helpBtn.addEventListener(\"click\", toggleHelp);\n    helpCloseBtn.addEventListener(\"click\", toggleHelp);\n    helpOverlay.addEventListener(\"click\", function (e) {\n        if (e.target === helpOverlay) toggleHelp();\n    });\n\n    // \u2500\u2500 Canvas Mouse Interaction (Pan + Selection) \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n\n    canvas.addEventListener(\"mousedown\", function (e) {\n        if (e.button !== 0) return;\n        if (!state.image) return;\n\n        state.isPanning = true;\n        state.didDrag = false;\n        state.panStartX = e.clientX;\n        state.panStartY = e.clientY;\n        state.panStartPanX = state.panX;\n        state.panStartPanY = state.panY;\n\n        if (state.zoom > 1) {\n            canvas.style.cursor = \"grabbing\";\n        }\n    });\n\n    window.addEventListener(\"mousemove\", function (e) {\n        if (!state.image) return;\n\n        if (state.isPanning) {\n            var dx = e.clientX - state.panStartX;\n            var dy = e.clientY - state.panStartY;\n\n            if (!state.didDrag && (Math.abs(dx) > DRAG_THRESHOLD || Math.abs(dy) > DRAG_THRESHOLD)) {\n                state.didDrag = true;\n            }\n\n            if (state.didDrag && state.zoom > 1) {\n                var rect = canvas.getBoundingClientRect();\n                var cssToCanvasX = canvas.width / rect.width;\n                var cssToCanvasY = canvas.height / rect.height;\n                state.panX = state.panStartPanX + dx * cssToCanvasX;\n                state.panY = state.panStartPanY + dy * cssToCanvasY;\n                clampPan();\n                render();\n            }\n            return;\n        }\n\n        // Tooltip logic (only when not dragging)\n        var rect = canvas.getBoundingClientRect();\n        if (e.clientX < rect.left || e.clientX > rect.right || e.clientY < rect.top || e.clientY > rect.bottom) return;\n        if (state.annotations.length === 0) return;\n\n        var pt = clientToCanvas(e.clientX, e.clientY);\n        var cx = pt.x;\n        var cy = pt.y;\n\n        // Update cursor\n        var hitIndex = findHitAnnotationIndex(cx, cy);\n        if (state.zoom > 1) {\n            canvas.style.cursor = hitIndex >= 0 ? \"pointer\" : \"grab\";\n        } else {\n            canvas.style.cursor = hitIndex >= 0 ? \"pointer\" : \"default\";\n        }\n\n        var nearest = findNearestKeypoint(cx, cy);\n        var tooltipText = \"\";\n        if (nearest) {\n            tooltipText = nearest.kp.name;\n            if (nearest.kp.confidence != null) {\n                tooltipText += \" (\" + (nearest.kp.confidence * 100).toFixed(1) + \"%)\";\n            }\n        } else {\n            var bboxHit = findBboxAt(cx, cy);\n            if (bboxHit) {\n                tooltipText = bboxHit.label || \"\";\n                if (bboxHit.score != null) {\n                    tooltipText += (tooltipText ? \" \" : \"\") + (bboxHit.score * 100).toFixed(1) + \"%\";\n                }\n            }\n        }\n\n        if (tooltipText) {\n            tooltip.textContent = tooltipText;\n            tooltip.classList.add(\"visible\");\n\n            var containerRect = container.getBoundingClientRect();\n            var tooltipX = e.clientX - containerRect.left + 12;\n            var tooltipY = e.clientY - containerRect.top - 8;\n            tooltip.style.left = tooltipX + \"px\";\n            tooltip.style.top = tooltipY + \"px\";\n        } else {\n            tooltip.classList.remove(\"visible\");\n        }\n    });\n\n    window.addEventListener(\"mouseup\", function (e) {\n        if (!state.isPanning) return;\n        state.isPanning = false;\n\n        if (state.zoom > 1) {\n            canvas.style.cursor = \"grab\";\n        }\n\n        if (!state.didDrag && state.image && state.annotations.length > 0) {\n            var pt = clientToCanvas(e.clientX, e.clientY);\n            var hits = findAllHitAnnotationIndices(pt.x, pt.y);\n            if (e.shiftKey && hits.length > 0) {\n                // Shift+click: hide the topmost hit\n                var target = hits[0];\n                state.visibility[target] = false;\n                if (state.selectedIndex === target) state.selectedIndex = -1;\n            } else if (hits.length === 0) {\n                state.selectedIndex = -1;\n            } else if (hits.length === 1) {\n                // Single hit: toggle as before\n                state.selectedIndex = state.selectedIndex === hits[0] ? -1 : hits[0];\n            } else {\n                // Multiple overlapping hits: cycle through them\n                var curPos = hits.indexOf(state.selectedIndex);\n                if (curPos < 0) {\n                    state.selectedIndex = hits[0];\n                } else {\n                    state.selectedIndex = hits[(curPos + 1) % hits.length];\n                }\n            }\n            render();\n            renderControlPanel();\n        }\n    });\n\n    function findHitAnnotationIndex(cx, cy) {\n        var hits = findAllHitAnnotationIndices(cx, cy);\n        return hits.length > 0 ? hits[0] : -1;\n    }\n\n    function findAllHitAnnotationIndices(cx, cy) {\n        var hitR = HIT_RADIUS / state.zoom;\n        var hitR2 = hitR * hitR;\n        var result = [];\n        var keypointHitSet = {};\n        // Check keypoints first (more precise)\n        for (var i = 0; i < state.annotations.length; i++) {\n            if (!isAnnotationVisible(i)) continue;\n            var kps = state.annotations[i].keypoints || [];\n            for (var j = 0; j < kps.length; j++) {\n                var kp = kps[j];\n                if (!isKeypointVisible(kp)) continue;\n                var dx = cx - kp.x * state.scale;\n                var dy = cy - kp.y * state.scale;\n                if (dx * dx + dy * dy < hitR2) {\n                    result.push(i);\n                    keypointHitSet[i] = true;\n                    break;\n                }\n            }\n        }\n        // Then check bboxes (topmost first)\n        for (var i = state.annotations.length - 1; i >= 0; i--) {\n            if (keypointHitSet[i]) continue;\n            if (!isAnnotationVisible(i)) continue;\n            var bbox = state.annotations[i].bbox;\n            if (!bbox) continue;\n            var bx = bbox.x * state.scale;\n            var by = bbox.y * state.scale;\n            if (cx >= bx && cx <= bx + bbox.width * state.scale && cy >= by && cy <= by + bbox.height * state.scale) {\n                result.push(i);\n            }\n        }\n        return result;\n    }\n\n    // \u2500\u2500 Tooltip (mouseleave) \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n\n    canvas.addEventListener(\"mouseleave\", function () {\n        tooltip.classList.remove(\"visible\");\n        if (!state.isPanning) {\n            canvas.style.cursor = state.zoom > 1 ? \"grab\" : \"default\";\n        }\n    });\n\n    function findNearestKeypoint(cx, cy) {\n        var best = null;\n        var hitR = HIT_RADIUS / state.zoom;\n        var bestDist = hitR * hitR;\n\n        for (var i = 0; i < state.annotations.length; i++) {\n            if (!isAnnotationVisible(i)) continue;\n            var ann = state.annotations[i];\n            var kps = ann.keypoints || [];\n            for (var j = 0; j < kps.length; j++) {\n                var kp = kps[j];\n                if (!isKeypointVisible(kp)) continue;\n\n                var kx = kp.x * state.scale;\n                var ky = kp.y * state.scale;\n                var dx = cx - kx;\n                var dy = cy - ky;\n                var dist = dx * dx + dy * dy;\n\n                if (dist < bestDist) {\n                    bestDist = dist;\n                    best = { kp: kp, ann: ann };\n                }\n            }\n        }\n        return best;\n    }\n\n    function findBboxAt(cx, cy) {\n        for (var i = state.annotations.length - 1; i >= 0; i--) {\n            if (!isAnnotationVisible(i)) continue;\n            var ann = state.annotations[i];\n            var bbox = ann.bbox;\n            if (!bbox) continue;\n\n            var bx = bbox.x * state.scale;\n            var by = bbox.y * state.scale;\n            var bw = bbox.width * state.scale;\n            var bh = bbox.height * state.scale;\n\n            if (cx >= bx && cx <= bx + bw && cy >= by && cy <= by + bh) {\n                return ann;\n            }\n        }\n        return null;\n    }\n\n    // \u2500\u2500 Wheel Zoom \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n\n    canvas.addEventListener(\"wheel\", function (e) {\n        if (!state.image) return;\n        e.preventDefault();\n\n        var delta = e.deltaY;\n        if (e.deltaMode === 1) delta *= 16;\n        else if (e.deltaMode === 2) delta *= 100;\n\n        var newZoom = state.zoom * (1 - delta * ZOOM_SENSITIVITY);\n        newZoom = Math.max(MIN_ZOOM, Math.min(MAX_ZOOM, newZoom));\n\n        // Zoom toward cursor position\n        var rect = canvas.getBoundingClientRect();\n        var mx = (e.clientX - rect.left) * (canvas.width / rect.width);\n        var my = (e.clientY - rect.top) * (canvas.height / rect.height);\n\n        state.panX = mx - (mx - state.panX) * (newZoom / state.zoom);\n        state.panY = my - (my - state.panY) * (newZoom / state.zoom);\n        state.zoom = newZoom;\n        clampPan();\n        render();\n    }, { passive: false });\n\n    // \u2500\u2500 Double-click to Reset Zoom \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n\n    canvas.addEventListener(\"dblclick\", function (e) {\n        if (!state.image) return;\n        e.preventDefault();\n        resetZoom();\n        canvas.style.cursor = \"default\";\n    });\n\n    // \u2500\u2500 Touch Support (Pinch-Zoom + Pan) \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n\n    var touchState = { lastDist: 0, lastCenterX: 0, lastCenterY: 0, touchCount: 0 };\n\n    function getTouchDistance(t1, t2) {\n        var dx = t1.clientX - t2.clientX;\n        var dy = t1.clientY - t2.clientY;\n        return Math.sqrt(dx * dx + dy * dy);\n    }\n\n    function getTouchCenter(t1, t2) {\n        return { x: (t1.clientX + t2.clientX) / 2, y: (t1.clientY + t2.clientY) / 2 };\n    }\n\n    canvas.addEventListener(\"touchstart\", function (e) {\n        if (!state.image) return;\n        e.preventDefault();\n\n        touchState.touchCount = e.touches.length;\n\n        if (e.touches.length === 1) {\n            state.isPanning = true;\n            state.didDrag = false;\n            state.panStartX = e.touches[0].clientX;\n            state.panStartY = e.touches[0].clientY;\n            state.panStartPanX = state.panX;\n            state.panStartPanY = state.panY;\n        } else if (e.touches.length === 2) {\n            state.isPanning = false;\n            touchState.lastDist = getTouchDistance(e.touches[0], e.touches[1]);\n            var center = getTouchCenter(e.touches[0], e.touches[1]);\n            touchState.lastCenterX = center.x;\n            touchState.lastCenterY = center.y;\n        }\n    }, { passive: false });\n\n    canvas.addEventListener(\"touchmove\", function (e) {\n        if (!state.image) return;\n        e.preventDefault();\n\n        if (e.touches.length === 1 && state.isPanning) {\n            var dx = e.touches[0].clientX - state.panStartX;\n            var dy = e.touches[0].clientY - state.panStartY;\n\n            if (!state.didDrag && (Math.abs(dx) > DRAG_THRESHOLD || Math.abs(dy) > DRAG_THRESHOLD)) {\n                state.didDrag = true;\n            }\n\n            if (state.didDrag && state.zoom > 1) {\n                var rect = canvas.getBoundingClientRect();\n                state.panX = state.panStartPanX + dx * (canvas.width / rect.width);\n                state.panY = state.panStartPanY + dy * (canvas.height / rect.height);\n                clampPan();\n                render();\n            }\n        } else if (e.touches.length === 2) {\n            var dist = getTouchDistance(e.touches[0], e.touches[1]);\n            var center = getTouchCenter(e.touches[0], e.touches[1]);\n\n            if (touchState.lastDist > 0) {\n                var scale = dist / touchState.lastDist;\n                var newZoom = Math.max(MIN_ZOOM, Math.min(MAX_ZOOM, state.zoom * scale));\n\n                var rect = canvas.getBoundingClientRect();\n                var mx = (center.x - rect.left) * (canvas.width / rect.width);\n                var my = (center.y - rect.top) * (canvas.height / rect.height);\n\n                state.panX = mx - (mx - state.panX) * (newZoom / state.zoom);\n                state.panY = my - (my - state.panY) * (newZoom / state.zoom);\n\n                // Simultaneous pan\n                var panDx = (center.x - touchState.lastCenterX) * (canvas.width / rect.width);\n                var panDy = (center.y - touchState.lastCenterY) * (canvas.height / rect.height);\n                state.panX += panDx;\n                state.panY += panDy;\n\n                state.zoom = newZoom;\n                clampPan();\n                render();\n            }\n\n            touchState.lastDist = dist;\n            touchState.lastCenterX = center.x;\n            touchState.lastCenterY = center.y;\n        }\n    }, { passive: false });\n\n    canvas.addEventListener(\"touchend\", function (e) {\n        if (!state.image) return;\n        e.preventDefault();\n\n        if (e.touches.length === 0) {\n            if (!state.didDrag && touchState.touchCount === 1 && state.annotations.length > 0) {\n                var touch = e.changedTouches[0];\n                var pt = clientToCanvas(touch.clientX, touch.clientY);\n                var hits = findAllHitAnnotationIndices(pt.x, pt.y);\n                if (hits.length === 0) {\n                    state.selectedIndex = -1;\n                } else if (hits.length === 1) {\n                    state.selectedIndex = state.selectedIndex === hits[0] ? -1 : hits[0];\n                } else {\n                    var curPos = hits.indexOf(state.selectedIndex);\n                    if (curPos < 0) {\n                        state.selectedIndex = hits[0];\n                    } else {\n                        state.selectedIndex = hits[(curPos + 1) % hits.length];\n                    }\n                }\n                render();\n                renderControlPanel();\n            }\n            state.isPanning = false;\n            touchState.lastDist = 0;\n            touchState.touchCount = 0;\n        } else if (e.touches.length === 1) {\n            // Transitioned from two fingers to one \u2014 restart single-finger pan\n            state.isPanning = true;\n            state.didDrag = false;\n            state.panStartX = e.touches[0].clientX;\n            state.panStartY = e.touches[0].clientY;\n            state.panStartPanX = state.panX;\n            state.panStartPanY = state.panY;\n            touchState.lastDist = 0;\n        }\n    }, { passive: false });\n\n    // \u2500\u2500 Keyboard Shortcuts \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n\n    element.setAttribute(\"tabindex\", \"0\");\n    element.style.outline = \"none\";\n\n    element.addEventListener(\"keydown\", function (e) {\n        // Help dialog shortcuts (work even without image data)\n        if (e.key === \"?\" && e.target.tagName !== \"INPUT\") {\n            toggleHelp();\n            e.preventDefault();\n            return;\n        }\n        if (e.key === \"Escape\" && helpOverlay.classList.contains(\"visible\")) {\n            toggleHelp();\n            e.preventDefault();\n            return;\n        }\n\n        if (!state.image) return;\n\n        if (e.key === \"Escape\") {\n            if (state.maximized) {\n                toggleMaximize();\n                e.preventDefault();\n            } else if (state.selectedIndex >= 0) {\n                state.selectedIndex = -1;\n                render();\n                renderControlPanel();\n                e.preventDefault();\n            }\n        } else if (e.key === \"f\" || e.key === \"F\") {\n            if (e.target.tagName === \"INPUT\") return;\n            toggleMaximize();\n            e.preventDefault();\n        } else if (e.key === \"i\" || e.key === \"I\") {\n            if (e.target.tagName === \"INPUT\") return;\n            state.showImage = !state.showImage;\n            toggleImageBtn.classList.toggle(\"active\", state.showImage);\n            render();\n            e.preventDefault();\n        } else if (e.key === \"a\" || e.key === \"A\") {\n            if (e.target.tagName === \"INPUT\") return;\n            var anyVisible = false;\n            for (var i = 0; i < state.visibility.length; i++) {\n                if (state.visibility[i]) { anyVisible = true; break; }\n            }\n            var newVal = !anyVisible;\n            for (var i = 0; i < state.visibility.length; i++) {\n                state.visibility[i] = newVal;\n            }\n            render();\n            renderControlPanel();\n            e.preventDefault();\n        } else if (e.key === \"h\" || e.key === \"H\") {\n            if (e.target.tagName === \"INPUT\") return;\n            if (state.selectedIndex >= 0) {\n                var idx = state.selectedIndex;\n                state.visibility[idx] = false;\n                state.selectedIndex = -1;\n                render();\n                renderControlPanel();\n            }\n            e.preventDefault();\n        } else if (e.key === \"r\" || e.key === \"R\") {\n            if (e.target.tagName === \"INPUT\") return;\n            resetToDefaults();\n            e.preventDefault();\n        } else if (e.key === \"+\" || e.key === \"=\") {\n            if (e.target.tagName === \"INPUT\") return;\n            zoomToCenter(state.zoom * 1.25);\n            e.preventDefault();\n        } else if (e.key === \"-\" || e.key === \"_\") {\n            if (e.target.tagName === \"INPUT\") return;\n            zoomToCenter(state.zoom / 1.25);\n            e.preventDefault();\n        } else if (e.key === \"0\") {\n            if (e.target.tagName === \"INPUT\") return;\n            resetZoom();\n            canvas.style.cursor = \"default\";\n            e.preventDefault();\n        }\n    });\n\n    // \u2500\u2500 Window Resize \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n\n    var resizeTimer = null;\n    window.addEventListener(\"resize\", function () {\n        if (resizeTimer) clearTimeout(resizeTimer);\n        resizeTimer = setTimeout(function () {\n            if (state.image) {\n                fitCanvas();\n                if (!state.maximized) resetZoom();\n                else render();\n            }\n        }, 150);\n    });\n})();\n",
"default_props": {
"value": "{\"image\": \"https://huggingface.co/datasets/gradio/custom-html-gallery/resolve/main/assets/hyst_image.webp\", \"annotations\": [{\"keypoints\": [], \"connections\": [], \"color\": \"#FF0000\", \"label\": \"microwave\", \"bbox\": {\"x\": 1254.9686279296875, \"y\": 732.0140991210938, \"width\": 731.1876220703125, \"height\": 576.3329467773438}, \"score\": 0.941}, {\"keypoints\": [], \"connections\": [], \"color\": \"#2196F3\", \"label\": \"refrigerator\", \"bbox\": {\"x\": 339.1869812011719, \"y\": 990.19970703125, \"width\": 876.6739807128906, \"height\": 2429.93701171875}, \"score\": 0.933}, {\"keypoints\": [], \"connections\": [], \"color\": \"#4CAF50\", \"label\": \"bowl\", \"bbox\": {\"x\": 2060.535888671875, \"y\": 2244.39990234375, \"width\": 336.198486328125, \"height\": 167.25927734375}, \"score\": 0.876}, {\"keypoints\": [], \"connections\": [], \"color\": \"#FF9800\", \"label\": \"bottle\", \"bbox\": {\"x\": 4423.5615234375, \"y\": 2121.12939453125, \"width\": 234.41064453125, \"height\": 441.45458984375}, \"score\": 0.835}, {\"keypoints\": [], \"connections\": [], \"color\": \"#9C27B0\", \"label\": \"bowl\", \"bbox\": {\"x\": 2043.2069091796875, \"y\": 2370.33642578125, \"width\": 329.2586669921875, \"height\": 146.4755859375}, \"score\": 0.752}, {\"keypoints\": [], \"connections\": [], \"color\": \"#00BCD4\", \"label\": \"bottle\", \"bbox\": {\"x\": 3447.89111328125, \"y\": 1566.84814453125, \"width\": 134.972412109375, \"height\": 196.5047607421875}, \"score\": 0.74}, {\"keypoints\": [], \"connections\": [], \"color\": \"#E91E63\", \"label\": \"spoon\", \"bbox\": {\"x\": 2970.81494140625, \"y\": 1495.561767578125, \"width\": 140.395263671875, \"height\": 229.298095703125}, \"score\": 0.73}, {\"keypoints\": [], \"connections\": [], \"color\": \"#8BC34A\", \"label\": \"bowl\", \"bbox\": {\"x\": 2439.3310546875, \"y\": 2352.2724609375, \"width\": 310.017578125, \"height\": 198.46630859375}, \"score\": 0.663}, {\"keypoints\": [], \"connections\": [], \"color\": \"#FF0000\", \"label\": \"sink\", \"bbox\": {\"x\": 3237.94775390625, \"y\": 2000.548828125, \"width\": 1229.5615234375, \"height\": 525.7890625}, \"score\": 0.651}, {\"keypoints\": [], \"connections\": [], \"color\": \"#2196F3\", \"label\": \"spoon\", \"bbox\": {\"x\": 2434.916748046875, \"y\": 958.53125, \"width\": 90.868896484375, \"height\": 397.71923828125}, \"score\": 0.624}, {\"keypoints\": [], \"connections\": [], \"color\": \"#4CAF50\", \"label\": \"spoon\", \"bbox\": {\"x\": 2713.24267578125, \"y\": 938.8221435546875, \"width\": 59.1435546875, \"height\": 356.3812255859375}, \"score\": 0.595}, {\"keypoints\": [], \"connections\": [], \"color\": \"#FF9800\", \"label\": \"vase\", \"bbox\": {\"x\": 3051.519775390625, \"y\": 1703.9114990234375, \"width\": 163.010498046875, \"height\": 211.6363525390625}, \"score\": 0.534}, {\"keypoints\": [], \"connections\": [], \"color\": \"#9C27B0\", \"label\": \"spoon\", \"bbox\": {\"x\": 3219.201171875, \"y\": 1489.04345703125, \"width\": 131.72900390625, \"height\": 113.6300048828125}, \"score\": 0.529}, {\"keypoints\": [], \"connections\": [], \"color\": \"#00BCD4\", \"label\": \"cup\", \"bbox\": {\"x\": 1710.7325439453125, \"y\": 206.48187255859375, \"width\": 113.3707275390625, \"height\": 66.7637939453125}, \"score\": 0.519}, {\"keypoints\": [], \"connections\": [], \"color\": \"#E91E63\", \"label\": \"cup\", \"bbox\": {\"x\": 1905.1246337890625, \"y\": 1348.912841796875, \"width\": 162.7110595703125, \"height\": 180.4144287109375}, \"score\": 0.51}, {\"keypoints\": [], \"connections\": [], \"color\": \"#8BC34A\", \"label\": \"spoon\", \"bbox\": {\"x\": 2532.578857421875, \"y\": 956.0765380859375, \"width\": 110.283203125, \"height\": 391.587890625}, \"score\": 0.505}, {\"keypoints\": [], \"connections\": [], \"color\": \"#FF0000\", \"label\": \"cup\", \"bbox\": {\"x\": 1513.127685546875, \"y\": 233.4671173095703, \"width\": 121.0208740234375, \"height\": 74.86408996582031}, \"score\": 0.498}, {\"keypoints\": [], \"connections\": [], \"color\": \"#2196F3\", \"label\": \"cup\", \"bbox\": {\"x\": 3601.44775390625, \"y\": 1676.3946533203125, \"width\": 86.130126953125, \"height\": 83.6402587890625}, \"score\": 0.489}, {\"keypoints\": [], \"connections\": [], \"color\": \"#4CAF50\", \"label\": \"sink\", \"bbox\": {\"x\": 2045.0098876953125, \"y\": 1902.2047119140625, \"width\": 992.6627197265625, \"height\": 138.331298828125}, \"score\": 0.48}, {\"keypoints\": [], \"connections\": [], \"color\": \"#FF9800\", \"label\": \"spoon\", \"bbox\": {\"x\": 2750.8525390625, \"y\": 914.2452392578125, \"width\": 138.5458984375, \"height\": 454.1220703125}, \"score\": 0.479}, {\"keypoints\": [], \"connections\": [], \"color\": \"#9C27B0\", \"label\": \"cup\", \"bbox\": {\"x\": 1292.629150390625, \"y\": 249.5679168701172, \"width\": 106.822021484375, \"height\": 69.71885681152344}, \"score\": 0.475}, {\"keypoints\": [], \"connections\": [], \"color\": \"#00BCD4\", \"label\": \"knife\", \"bbox\": {\"x\": 2167.822021484375, \"y\": 960.3970947265625, \"width\": 43.119140625, \"height\": 483.4991455078125}, \"score\": 0.465}, {\"keypoints\": [], \"connections\": [], \"color\": \"#E91E63\", \"label\": \"bottle\", \"bbox\": {\"x\": 4585.04150390625, \"y\": 2098.5009765625, \"width\": 116.8916015625, \"height\": 316.954345703125}, \"score\": 0.459}, {\"keypoints\": [], \"connections\": [], \"color\": \"#8BC34A\", \"label\": \"cup\", \"bbox\": {\"x\": 1712.269775390625, \"y\": 1363.4146728515625, \"width\": 168.132568359375, \"height\": 171.383056640625}, \"score\": 0.45}, {\"keypoints\": [], \"connections\": [], \"color\": \"#FF0000\", \"label\": \"cup\", \"bbox\": {\"x\": 1754.1475830078125, \"y\": 1726.2864990234375, \"width\": 132.280517578125, \"height\": 180.217529296875}, \"score\": 0.443}, {\"keypoints\": [], \"connections\": [], \"color\": \"#2196F3\", \"label\": \"spoon\", \"bbox\": {\"x\": 2464.33349609375, \"y\": 962.2620239257812, \"width\": 98.230712890625, \"height\": 395.64776611328125}, \"score\": 0.432}, {\"keypoints\": [], \"connections\": [], \"color\": \"#4CAF50\", \"label\": \"oven\", \"bbox\": {\"x\": 2045.0098876953125, \"y\": 1902.2047119140625, \"width\": 992.6627197265625, \"height\": 138.331298828125}, \"score\": 0.43}, {\"keypoints\": [], \"connections\": [], \"color\": \"#FF9800\", \"label\": \"spoon\", \"bbox\": {\"x\": 2338.453369140625, \"y\": 970.2446899414062, \"width\": 88.694091796875, \"height\": 284.50689697265625}, \"score\": 0.415}, {\"keypoints\": [], \"connections\": [], \"color\": \"#9C27B0\", \"label\": \"cup\", \"bbox\": {\"x\": 1600.4539794921875, \"y\": 1722.7650146484375, \"width\": 126.56103515625, \"height\": 181.688720703125}, \"score\": 0.409}, {\"keypoints\": [], \"connections\": [], \"color\": \"#00BCD4\", \"label\": \"cup\", \"bbox\": {\"x\": 1915.982421875, \"y\": 1727.005859375, \"width\": 161.400634765625, \"height\": 180.8668212890625}, \"score\": 0.407}, {\"keypoints\": [], \"connections\": [], \"color\": \"#E91E63\", \"label\": \"knife\", \"bbox\": {\"x\": 2122.896240234375, \"y\": 973.0816040039062, \"width\": 45.917724609375, \"height\": 480.61651611328125}, \"score\": 0.402}, {\"keypoints\": [], \"connections\": [], \"color\": \"#8BC34A\", \"label\": \"knife\", \"bbox\": {\"x\": 2050.469970703125, \"y\": 1032.178955078125, \"width\": 48.721923828125, \"height\": 364.73681640625}, \"score\": 0.391}, {\"keypoints\": [], \"connections\": [], \"color\": \"#FF0000\", \"label\": \"knife\", \"bbox\": {\"x\": 2204.854736328125, \"y\": 1075.57177734375, \"width\": 37.0556640625, \"height\": 365.2413330078125}, \"score\": 0.388}, {\"keypoints\": [], \"connections\": [], \"color\": \"#2196F3\", \"label\": \"knife\", \"bbox\": {\"x\": 2137.04345703125, \"y\": 967.40380859375, \"width\": 46.23291015625, \"height\": 482.9554443359375}, \"score\": 0.382}, {\"keypoints\": [], \"connections\": [], \"color\": \"#4CAF50\", \"label\": \"cup\", \"bbox\": {\"x\": 1938.565185546875, \"y\": 184.62074279785156, \"width\": 144.8037109375, \"height\": 72.32969665527344}, \"score\": 0.379}, {\"keypoints\": [], \"connections\": [], \"color\": \"#FF9800\", \"label\": \"vase\", \"bbox\": {\"x\": 4364.35546875, \"y\": 1642.5433349609375, \"width\": 325.09130859375, \"height\": 552.6705322265625}, \"score\": 0.359}, {\"keypoints\": [], \"connections\": [], \"color\": \"#9C27B0\", \"label\": \"spoon\", \"bbox\": {\"x\": 3148.77392578125, \"y\": 1489.83251953125, \"width\": 200.311279296875, \"height\": 217.281494140625}, \"score\": 0.358}, {\"keypoints\": [], \"connections\": [], \"color\": \"#00BCD4\", \"label\": \"spoon\", \"bbox\": {\"x\": 2325.773193359375, \"y\": 966.5449829101562, \"width\": 126.0576171875, \"height\": 382.44464111328125}, \"score\": 0.351}, {\"keypoints\": [], \"connections\": [], \"color\": \"#E91E63\", \"label\": \"handbag\", \"bbox\": {\"x\": 342.6567077636719, \"y\": 832.3612060546875, \"width\": 408.2694396972656, \"height\": 182.2032470703125}, \"score\": 0.347}, {\"keypoints\": [], \"connections\": [], \"color\": \"#8BC34A\", \"label\": \"sink\", \"bbox\": {\"x\": 3422.76611328125, \"y\": 2016.8096923828125, \"width\": 776.34912109375, \"height\": 293.2298583984375}, \"score\": 0.346}, {\"keypoints\": [], \"connections\": [], \"color\": \"#FF0000\", \"label\": \"oven\", \"bbox\": {\"x\": 2040.9306640625, \"y\": 1891.8070068359375, \"width\": 998.08642578125, \"height\": 601.4830322265625}, \"score\": 0.34}, {\"keypoints\": [], \"connections\": [], \"color\": \"#2196F3\", \"label\": \"spoon\", \"bbox\": {\"x\": 2578.92724609375, \"y\": 950.519287109375, \"width\": 68.382080078125, \"height\": 385.21142578125}, \"score\": 0.339}, {\"keypoints\": [], \"connections\": [], \"color\": \"#4CAF50\", \"label\": \"bowl\", \"bbox\": {\"x\": 1938.565185546875, \"y\": 184.62074279785156, \"width\": 144.8037109375, \"height\": 72.32969665527344}, \"score\": 0.337}, {\"keypoints\": [], \"connections\": [], \"color\": \"#FF9800\", \"label\": \"knife\", \"bbox\": {\"x\": 2118.98876953125, \"y\": 976.58642578125, \"width\": 37.457763671875, \"height\": 448.0491943359375}, \"score\": 0.326}, {\"keypoints\": [], \"connections\": [], \"color\": \"#9C27B0\", \"label\": \"knife\", \"bbox\": {\"x\": 2080.163818359375, \"y\": 1028.6563720703125, \"width\": 46.5048828125, \"height\": 370.2650146484375}, \"score\": 0.318}, {\"keypoints\": [], \"connections\": [], \"color\": \"#00BCD4\", \"label\": \"spoon\", \"bbox\": {\"x\": 2581.24658203125, \"y\": 950.1279296875, \"width\": 67.4453125, \"height\": 384.987548828125}, \"score\": 0.318}, {\"keypoints\": [], \"connections\": [], \"color\": \"#E91E63\", \"label\": \"knife\", \"bbox\": {\"x\": 2095.49951171875, \"y\": 1014.590087890625, \"width\": 48.67724609375, \"height\": 420.140869140625}, \"score\": 0.317}, {\"keypoints\": [], \"connections\": [], \"color\": \"#8BC34A\", \"label\": \"knife\", \"bbox\": {\"x\": 2113.23095703125, \"y\": 977.2379760742188, \"width\": 38.787841796875, \"height\": 431.59820556640625}, \"score\": 0.312}, {\"keypoints\": [], \"connections\": [], \"color\": \"#FF0000\", \"label\": \"spoon\", \"bbox\": {\"x\": 3144.85888671875, \"y\": 1568.898681640625, \"width\": 87.18017578125, \"height\": 141.762939453125}, \"score\": 0.305}, {\"keypoints\": [], \"connections\": [], \"color\": \"#2196F3\", \"label\": \"knife\", \"bbox\": {\"x\": 2124.10546875, \"y\": 978.140380859375, \"width\": 38.487060546875, \"height\": 460.7664794921875}, \"score\": 0.302}], \"scoreThresholdMin\": 0.3, \"scoreThresholdMax\": 1.0}"
},
"python_code": "class DetectionViewer(gr.HTML):\n    def __init__(\n        self,\n        value: tuple[str | Path | Image.Image | np.ndarray, list[dict[str, Any]]]\n        | tuple[str | Path | Image.Image | np.ndarray, list[dict[str, Any]], dict[str, Any]]\n        | None = None,\n        *,\n        label: str | None = None,\n        panel_title: str = \"Detections\",\n        list_height: int = 300,\n        score_threshold: tuple[float, float] = (0.0, 1.0),\n        keypoint_threshold: float = 0.0,\n        keypoint_radius: int = 3,\n        **kwargs: object,\n    ) -> None:\n        html_template = (_STATIC_DIR / \"template.html\").read_text(encoding=\"utf-8\")\n        html_template = html_template.replace(\"${panel_title}\", panel_title)\n        html_template = html_template.replace(\"${list_height}\", str(list_height))\n        html_template = html_template.replace(\"${score_threshold_min}\", str(score_threshold[0]))\n        html_template = html_template.replace(\"${score_threshold_max}\", str(score_threshold[1]))\n        html_template = html_template.replace(\"${keypoint_threshold}\", str(keypoint_threshold))\n        html_template = html_template.replace(\"${keypoint_radius}\", str(keypoint_radius))\n        css_template = (_STATIC_DIR / \"style.css\").read_text(encoding=\"utf-8\")\n        css_template = css_template.replace(\"${list_height}\", str(list_height))\n        js_on_load = (_STATIC_DIR / \"script.js\").read_text(encoding=\"utf-8\")\n\n        has_label = label is not None\n        super().__init__(\n            value=value,\n            label=label,\n            show_label=has_label,\n            container=has_label,\n            html_template=html_template,\n            css_template=css_template,\n            js_on_load=js_on_load,\n            **kwargs,\n        )\n\n    def postprocess(self, value: Any) -> str | None:  # noqa: ANN401\n        if isinstance(value, str):\n            return value\n        return self._process(value)\n\n    def _process(\n        self,\n        value: tuple[str | Path | Image.Image | np.ndarray, list[dict[str, Any]]]\n        | tuple[str | Path | Image.Image | np.ndarray, list[dict[str, Any]], dict[str, Any]]\n        | None,\n    ) -> str | None:\n        if value is None:\n            return None\n\n        if len(value) == 3:  # noqa: PLR2004 - tuple length check\n            image_src, annotations, config = value\n        else:\n            image_src, annotations = value\n            config = {}\n\n        img = _load_image(image_src)\n        image_url = _save_image_to_cache(img, self.GRADIO_CACHE)\n\n        processed: list[dict[str, Any]] = []\n        for i, ann in enumerate(annotations):\n            has_kps = \"keypoints\" in ann and len(ann[\"keypoints\"]) > 0\n            default_label = f\"Person {i + 1}\" if has_kps else f\"Detection {i + 1}\"\n\n            entry: dict[str, Any] = {\n                \"keypoints\": ann.get(\"keypoints\", []),\n                \"connections\": ann.get(\"connections\", []),\n                \"color\": ann.get(\"color\", _COLOR_PALETTE[i % len(_COLOR_PALETTE)]),\n                \"label\": ann.get(\"label\", default_label),\n            }\n            if \"bbox\" in ann:\n                entry[\"bbox\"] = ann[\"bbox\"]\n            if \"score\" in ann:\n                entry[\"score\"] = ann[\"score\"]\n            if \"mask\" in ann:\n                entry[\"mask\"] = ann[\"mask\"]\n            processed.append(entry)\n\n        result: dict[str, Any] = {\"image\": image_url, \"annotations\": processed}\n        if \"score_threshold\" in config:\n            result[\"scoreThresholdMin\"] = config[\"score_threshold\"][0]\n            result[\"scoreThresholdMax\"] = config[\"score_threshold\"][1]\n\n        return json.dumps(result)\n\n    def api_info(self) -> dict[str, Any]:\n        return {\n            \"type\": \"string\",\n            \"description\": (\n                \"JSON string containing detection visualization data. \"\n                \"Structure: {image: string (URL), annotations: [\"\n                \"{color: string, label: string, \"\n                \"bbox?: {x: float, y: float, width: float, height: float}, \"\n                \"score?: float, \"\n                \"mask?: {counts: [int], size: [int, int]}, \"\n                \"keypoints?: [{x: float, y: float, name: string, confidence?: float}], \"\n                \"connections?: [[int, int]]}], \"\n                \"scoreThresholdMin?: float, scoreThresholdMax?: float}\"\n            ),\n        }\n",
"repo_url": "https://github.com/hysts/gradio-detection-viewer/"
},
{
  "id": "contribution-heatmap",
  "name": "Contribution Heatmap",
  "description": "Reusable GitHub-style contribution heatmap",
  "author": "ysharma",
  "tags": [
    "Business"
  ],
  "category": "Display",
  "html_template": "\n<div class=\"heatmap-container\">\n    <div class=\"heatmap-header\">\n        <h2>${(() => {\n            const total = Object.values(value || {}).reduce((a, b) => a + b, 0);\n            return '\ud83d\udcca ' + total.toLocaleString() + ' contributions in ' + year;\n        })()}</h2>\n        <div class=\"legend\">\n            <span>Less</span>\n            <div class=\"legend-box\" style=\"background:${c0}\"></div>\n            <div class=\"legend-box\" style=\"background:${c1}\"></div>\n            <div class=\"legend-box\" style=\"background:${c2}\"></div>\n            <div class=\"legend-box\" style=\"background:${c3}\"></div>\n            <div class=\"legend-box\" style=\"background:${c4}\"></div>\n            <span>More</span>\n        </div>\n    </div>\n    <div class=\"month-labels\">\n        ${(() => {\n            const months = ['Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec'];\n            return months.map((m, i) =>\n                '<span style=\"grid-column:' + (Math.floor(i * 4.33) + 2) + '\">' + m + '</span>'\n            ).join('');\n        })()}\n    </div>\n    <div class=\"heatmap-grid\">\n        <div class=\"day-labels\">\n            <span></span><span>Mon</span><span></span><span>Wed</span><span></span><span>Fri</span><span></span>\n        </div>\n        <div class=\"cells\">\n            ${(() => {\n                const v = value || {};\n                const sd = new Date(year, 0, 1);\n                const pad = sd.getDay();\n                const cells = [];\n                for (let i = 0; i < pad; i++) cells.push('<div class=\"cell empty\"></div>');\n                const totalDays = Math.floor((new Date(year, 11, 31) - sd) / 86400000) + 1;\n                for (let d = 0; d < totalDays; d++) {\n                    const dt = new Date(year, 0, 1 + d);\n                    const key = dt.getFullYear() + '-' + String(dt.getMonth()+1).padStart(2,'0') + '-' + String(dt.getDate()).padStart(2,'0');\n                    const count = v[key] || 0;\n                    let lv = 0;\n                    if (count > 0) lv = 1;\n                    if (count >= 3) lv = 2;\n                    if (count >= 6) lv = 3;\n                    if (count >= 10) lv = 4;\n                    const mn = ['Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec'];\n                    const tip = count + ' contributions on ' + mn[dt.getMonth()] + ' ' + dt.getDate() + ', ' + year;\n                    cells.push('<div class=\"cell level-' + lv + '\" data-date=\"' + key + '\" data-count=\"' + count + '\" title=\"' + tip + '\"></div>');\n                }\n                return cells.join('');\n            })()}\n        </div>\n    </div>\n    <div class=\"stats-bar\">\n        ${(() => {\n            const v = value || {};\n            const totalDays = Math.floor((new Date(year, 11, 31) - new Date(year, 0, 1)) / 86400000) + 1;\n            let streak = 0, maxStreak = 0, total = 0, active = 0, best = 0;\n            const vals = [];\n            for (let d = 0; d < totalDays; d++) {\n                const dt = new Date(year, 0, 1 + d);\n                const key = dt.getFullYear() + '-' + String(dt.getMonth()+1).padStart(2,'0') + '-' + String(dt.getDate()).padStart(2,'0');\n                const c = v[key] || 0;\n                total += c;\n                if (c > 0) { streak++; maxStreak = Math.max(maxStreak, streak); active++; best = Math.max(best, c); vals.push(c); }\n                else { streak = 0; }\n            }\n            const avg = vals.length ? (total / vals.length).toFixed(1) : '0';\n            const stats = [\n                ['\ud83d\udd25', maxStreak, 'Longest Streak'],\n                ['\ud83d\udcc5', active, 'Active Days'],\n                ['\u26a1', best, 'Best Day'],\n                ['\ud83d\udcc8', avg, 'Avg / Active Day'],\n                ['\ud83c\udfc6', total.toLocaleString(), 'Total'],\n            ];\n            return stats.map(s =>\n                '<div class=\"stat\"><span class=\"stat-value\">' + s[1] + '</span><span class=\"stat-label\">' + s[0] + ' ' + s[2] + '</span></div>'\n            ).join('');\n        })()}\n    </div>\n</div>\n",
  "css_template": "\n    .heatmap-container {\n        background: #0d1117;\n        border-radius: 12px;\n        padding: 24px;\n        font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;\n        color: #c9d1d9;\n        overflow-x: auto;\n    }\n    .heatmap-header {\n        display: flex; justify-content: space-between; align-items: center;\n        margin-bottom: 12px; flex-wrap: wrap; gap: 10px;\n    }\n    .heatmap-header h2 { margin: 0; font-size: 16px; font-weight: 500; color: #f0f6fc; }\n    .legend { display: flex; align-items: center; gap: 4px; font-size: 11px; color: #8b949e; }\n    .legend-box { width: 12px; height: 12px; border-radius: 2px; }\n    .month-labels {\n        display: grid; grid-template-columns: 30px repeat(53, 1fr);\n        font-size: 11px; color: #8b949e; margin-bottom: 4px; padding-left: 2px;\n    }\n    .heatmap-grid { display: flex; gap: 4px; }\n    .day-labels {\n        display: grid; grid-template-rows: repeat(7, 1fr);\n        font-size: 11px; color: #8b949e; width: 30px; gap: 2px;\n    }\n    .day-labels span { height: 13px; display: flex; align-items: center; }\n    .cells {\n        display: grid; grid-template-rows: repeat(7, 1fr);\n        grid-auto-flow: column; gap: 2px; flex: 1;\n    }\n    .cell {\n        width: 13px; height: 13px; border-radius: 2px; cursor: pointer;\n        transition: all 0.15s ease; outline: 1px solid rgba(27,31,35,0.06);\n    }\n    .cell:hover {\n        outline: 2px solid #58a6ff; outline-offset: -1px;\n        transform: scale(1.3); z-index: 1;\n    }\n    .cell.empty { visibility: hidden; }\n    .level-0 { background: ${c0}; }\n    .level-1 { background: ${c1}; }\n    .level-2 { background: ${c2}; }\n    .level-3 { background: ${c3}; }\n    .level-4 { background: ${c4}; }\n    .stats-bar {\n        display: flex; justify-content: space-around; margin-top: 20px;\n        padding-top: 16px; border-top: 1px solid #21262d;\n        flex-wrap: wrap; gap: 12px;\n    }\n    .stat { display: flex; flex-direction: column; align-items: center; gap: 4px; }\n    .stat-value { font-size: 22px; font-weight: 700; color: ${c4}; }\n    .stat-label { font-size: 12px; color: #8b949e; }\n",
  "js_on_load": "\n    element.addEventListener('click', (e) => {\n        if (e.target && e.target.classList.contains('cell') && !e.target.classList.contains('empty')) {\n            const date = e.target.dataset.date;\n            const cur = parseInt(e.target.dataset.count) || 0;\n            const next = cur >= 12 ? 0 : cur + 1;\n            const nv = {...(props.value || {})};\n            if (next === 0) delete nv[date]; else nv[date] = next;\n            props.value = nv;\n            trigger('change');\n        }\n    });\n",
  "default_props": {
    "value": {
      "2025-01-01": 15,
      "2025-01-02": 10,
      "2025-01-05": 2,
      "2025-01-06": 2,
      "2025-01-07": 3,
      "2025-01-08": 7,
      "2025-01-13": 1,
      "2025-01-14": 3,
      "2025-01-15": 1,
      "2025-01-17": 1,
      "2025-01-19": 5,
      "2025-01-20": 4,
      "2025-01-22": 1,
      "2025-01-26": 2,
      "2025-01-27": 11,
      "2025-01-28": 1,
      "2025-01-29": 2,
      "2025-02-02": 2,
      "2025-02-04": 8,
      "2025-02-05": 2,
      "2025-02-07": 2,
      "2025-02-09": 7,
      "2025-02-10": 2,
      "2025-02-11": 6,
      "2025-02-12": 15,
      "2025-02-13": 1,
      "2025-02-15": 1,
      "2025-02-19": 1,
      "2025-02-21": 9,
      "2025-02-22": 9,
      "2025-02-26": 1,
      "2025-02-27": 1,
      "2025-02-28": 8,
      "2025-03-01": 8,
      "2025-03-02": 7,
      "2025-03-05": 1,
      "2025-03-07": 13,
      "2025-03-08": 5,
      "2025-03-09": 2,
      "2025-03-11": 2,
      "2025-03-12": 4,
      "2025-03-14": 3,
      "2025-03-15": 3,
      "2025-03-16": 3,
      "2025-03-18": 3,
      "2025-03-20": 5,
      "2025-03-21": 5,
      "2025-03-22": 15,
      "2025-03-25": 2,
      "2025-03-27": 1,
      "2025-03-28": 3,
      "2025-04-03": 2,
      "2025-04-04": 1,
      "2025-04-07": 1,
      "2025-04-11": 1,
      "2025-04-13": 7,
      "2025-04-14": 2,
      "2025-04-17": 1,
      "2025-04-19": 1,
      "2025-04-21": 4,
      "2025-04-22": 2,
      "2025-04-23": 3,
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    },
    "year": 2025,
    "c0": "#161b22",
    "c1": "#0e4429",
    "c2": "#006d32",
    "c3": "#26a641",
    "c4": "#39d353"
  },
  "python_code": "class ContributionHeatmap(gr.HTML):\n    \"\"\"Reusable GitHub-style contribution heatmap built on gr.HTML.\"\"\"\n\n    def __init__(self, value=None, year=2025, theme=\"green\",\n                 c0=None, c1=None, c2=None, c3=None, c4=None, **kwargs):\n        if value is None:\n            value = {}\n        # Use explicit c0-c4 if provided (from gr.HTML updates), else derive from theme\n        colors = COLOR_SCHEMES.get(theme, COLOR_SCHEMES[\"green\"])\n        super().__init__(\n            value=value,\n            year=year,\n            c0=c0 or colors[0],\n            c1=c1 or colors[1],\n            c2=c2 or colors[2],\n            c3=c3 or colors[3],\n            c4=c4 or colors[4],\n            html_template=HEATMAP_HTML,\n            css_template=HEATMAP_CSS,\n            js_on_load=HEATMAP_JS,\n            **kwargs,\n        )\n\n    def api_info(self):\n        return {\"type\": \"object\", \"description\": \"Dict mapping YYYY-MM-DD to int counts\"}\n",
  "head": "",
  "repo_url": "https://huggingface.co/spaces/ysharma/github-contribution-heatmap"
},
{
"id": "spin-wheel",
"name": "Spin Wheel",
"description": "Spin the wheel to win a prize!",
"author": "ysharma",
"tags": [],
"category": "display",
"html_template": "\n<div class=\"wheel-container\">\n    <div class=\"wheel-wrapper\">\n        <!-- Pointer -->\n        <div class=\"wheel-pointer\">\u25bc</div>\n        \n        <!-- Wheel - rotation prop preserves position across re-renders -->\n        <div class=\"wheel\" id=\"prize-wheel\" style=\"transform: rotate(${rotation || 0}deg);\">\n            <svg viewBox=\"0 0 400 400\" class=\"wheel-svg\">\n                ${(() => {\n                    const segments = JSON.parse(segments_json || '[]');\n                    const cx = 200, cy = 200, r = 180;\n                    let html = '';\n                    \n                    segments.forEach((seg, i) => {\n                        const startRad = (seg.startAngle - 90) * Math.PI / 180;\n                        const endRad = (seg.endAngle - 90) * Math.PI / 180;\n                        const x1 = cx + r * Math.cos(startRad);\n                        const y1 = cy + r * Math.sin(startRad);\n                        const x2 = cx + r * Math.cos(endRad);\n                        const y2 = cy + r * Math.sin(endRad);\n                        const largeArc = seg.endAngle - seg.startAngle > 180 ? 1 : 0;\n                        \n                        const d = `M ${cx} ${cy} L ${x1} ${y1} A ${r} ${r} 0 ${largeArc} 1 ${x2} ${y2} Z`;\n                        html += `<path d=\"${d}\" fill=\"${seg.color}\" stroke=\"#fff\" stroke-width=\"2\" class=\"segment\" data-index=\"${i}\"/>`;\n                        \n                        // Text label\n                        const midRad = (seg.midAngle - 90) * Math.PI / 180;\n                        const textR = r * 0.65;\n                        const tx = cx + textR * Math.cos(midRad);\n                        const ty = cy + textR * Math.sin(midRad);\n                        const rotation = seg.midAngle;\n                        html += `<text x=\"${tx}\" y=\"${ty}\" fill=\"#fff\" font-size=\"11\" font-weight=\"bold\" \n                                 text-anchor=\"middle\" dominant-baseline=\"middle\" \n                                 transform=\"rotate(${rotation}, ${tx}, ${ty})\"\n                                 style=\"text-shadow: 1px 1px 2px rgba(0,0,0,0.5); pointer-events: none;\">${seg.label}</text>`;\n                    });\n                    \n                    // Center circle\n                    html += `<circle cx=\"200\" cy=\"200\" r=\"35\" fill=\"#1a1a2e\" stroke=\"#FFD700\" stroke-width=\"4\" class=\"center-btn\"/>`;\n                    html += `<text x=\"200\" y=\"200\" fill=\"#FFD700\" font-size=\"14\" font-weight=\"bold\" text-anchor=\"middle\" dominant-baseline=\"middle\" style=\"pointer-events: none;\">SPIN</text>`;\n                    \n                    return html;\n                })()}\n            </svg>\n        </div>\n        \n        <!-- Decorative lights -->\n        <div class=\"wheel-lights\">\n            ${Array.from({length: 16}, (_, i) => `<div class=\"light\" style=\"--i: ${i}\"></div>`).join('')}\n        </div>\n    </div>\n    \n    <!-- Result Display -->\n    <div class=\"result-display ${value ? 'show' : ''}\" id=\"result-display\">\n        ${value ? `<div class=\"result-text\">\ud83c\udf89 You won: <strong>${value}</strong></div>` : '<div class=\"result-text\">Spin to win!</div>'}\n    </div>\n    \n    <!-- Spin Button -->\n    <button class=\"spin-button\" id=\"spin-btn\">\n        \ud83c\udfb0 SPIN TO WIN!\n    </button>\n    \n    <!-- Confetti container -->\n    <div class=\"confetti-container\" id=\"confetti\"></div>\n</div>\n",
"css_template": "\n    .wheel-container {\n        font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;\n        display: flex;\n        flex-direction: column;\n        align-items: center;\n        padding: 24px;\n        background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);\n        border-radius: 24px;\n        position: relative;\n        overflow: hidden;\n        min-height: 500px;\n    }\n    \n    .wheel-wrapper {\n        position: relative;\n        width: 320px;\n        height: 320px;\n    }\n    \n    .wheel {\n        width: 100%;\n        height: 100%;\n        transform: rotate(0deg);\n    }\n    \n    .wheel-svg {\n        width: 100%;\n        height: 100%;\n        filter: drop-shadow(0 10px 30px rgba(0,0,0,0.4));\n    }\n    \n    .segment {\n        cursor: pointer;\n        transition: filter 0.2s;\n    }\n    \n    .segment:hover {\n        filter: brightness(1.1);\n    }\n    \n    .center-btn {\n        cursor: pointer;\n        transition: all 0.2s;\n    }\n    \n    .center-btn:hover {\n        filter: brightness(1.2);\n    }\n    \n    /* Pointer */\n    .wheel-pointer {\n        position: absolute;\n        top: -10px;\n        left: 50%;\n        transform: translateX(-50%);\n        font-size: 48px;\n        color: #FFD700;\n        z-index: 10;\n        filter: drop-shadow(0 4px 6px rgba(0,0,0,0.5));\n        animation: bounce 0.6s ease-in-out infinite;\n    }\n    \n    @keyframes bounce {\n        0%, 100% { transform: translateX(-50%) translateY(0); }\n        50% { transform: translateX(-50%) translateY(8px); }\n    }\n    \n    /* Decorative lights */\n    .wheel-lights {\n        position: absolute;\n        top: 50%;\n        left: 50%;\n        width: 360px;\n        height: 360px;\n        transform: translate(-50%, -50%);\n        pointer-events: none;\n    }\n    \n    .light {\n        position: absolute;\n        width: 14px;\n        height: 14px;\n        background: #FFD700;\n        border-radius: 50%;\n        top: 50%;\n        left: 50%;\n        transform-origin: center;\n        transform: rotate(calc(var(--i) * 22.5deg)) translateY(-180px);\n        box-shadow: 0 0 10px #FFD700, 0 0 20px #FFD700;\n        animation: blink 0.5s ease-in-out infinite alternate;\n        animation-delay: calc(var(--i) * 0.08s);\n    }\n    \n    @keyframes blink {\n        0% { opacity: 0.4; transform: rotate(calc(var(--i) * 22.5deg)) translateY(-180px) scale(0.8); }\n        100% { opacity: 1; transform: rotate(calc(var(--i) * 22.5deg)) translateY(-180px) scale(1); box-shadow: 0 0 15px #FFD700, 0 0 30px #FFD700; }\n    }\n    \n    /* Spin Button */\n    .spin-button {\n        margin-top: 24px;\n        padding: 18px 56px;\n        font-size: 20px;\n        font-weight: 700;\n        color: white;\n        background: linear-gradient(135deg, #FF6B6B 0%, #FF8E53 100%);\n        border: none;\n        border-radius: 50px;\n        cursor: pointer;\n        box-shadow: 0 8px 25px rgba(255, 107, 107, 0.4);\n        transition: all 0.3s ease;\n        text-transform: uppercase;\n        letter-spacing: 2px;\n    }\n    \n    .spin-button:hover:not(:disabled) {\n        transform: translateY(-3px);\n        box-shadow: 0 12px 35px rgba(255, 107, 107, 0.5);\n    }\n    \n    .spin-button:active:not(:disabled) {\n        transform: translateY(0);\n    }\n    \n    .spin-button:disabled {\n        background: linear-gradient(135deg, #666 0%, #888 100%);\n        cursor: not-allowed;\n        box-shadow: none;\n        transform: none;\n    }\n    \n    /* Result Display */\n    .result-display {\n        margin-top: 20px;\n        padding: 16px 32px;\n        background: rgba(255,255,255,0.1);\n        border-radius: 12px;\n        backdrop-filter: blur(10px);\n        border: 1px solid rgba(255,255,255,0.1);\n        opacity: 0.7;\n        transform: scale(0.95);\n        transition: all 0.5s ease;\n    }\n    \n    .result-display.show {\n        opacity: 1;\n        transform: scale(1);\n        background: rgba(255,215,0,0.15);\n        border-color: rgba(255,215,0,0.3);\n    }\n    \n    .result-text {\n        font-size: 18px;\n        color: #fff;\n        text-align: center;\n    }\n    \n    .result-text strong {\n        color: #FFD700;\n        font-size: 22px;\n        display: block;\n        margin-top: 4px;\n    }\n    \n    /* Confetti */\n    .confetti-container {\n        position: absolute;\n        top: 0;\n        left: 0;\n        width: 100%;\n        height: 100%;\n        pointer-events: none;\n        overflow: hidden;\n    }\n    \n    .confetti {\n        position: absolute;\n        width: 10px;\n        height: 10px;\n        animation: fall 3s ease-out forwards;\n    }\n    \n    @keyframes fall {\n        0% {\n            transform: translateY(-100px) rotate(0deg);\n            opacity: 1;\n        }\n        100% {\n            transform: translateY(600px) rotate(720deg);\n            opacity: 0;\n        }\n    }\n    \n    /* Spinning state indicator */\n    .wheel-container.spinning .wheel-pointer {\n        animation: none;\n        color: #fff;\n    }\n    \n    .wheel-container.spinning .light {\n        animation: rapid-blink 0.1s ease-in-out infinite alternate;\n    }\n    \n    @keyframes rapid-blink {\n        0% { opacity: 0.3; }\n        100% { opacity: 1; }\n    }\n",
"js_on_load": "\n    const container = element.querySelector('.wheel-container');\n    const wheel = element.querySelector('#prize-wheel');\n    const spinBtn = element.querySelector('#spin-btn');\n    const confettiContainer = element.querySelector('#confetti');\n    const resultDisplay = element.querySelector('#result-display');\n    \n    let isSpinning = false;\n    \n    // Initialize totalRotation from the rotation prop (persists across re-renders)\n    let totalRotation = parseFloat(props.rotation) || 0;\n    \n    function getSegments() {\n        try {\n            return JSON.parse(props.segments_json || '[]');\n        } catch (e) {\n            return [];\n        }\n    }\n    \n    function createConfetti() {\n        const colors = ['#FF6B6B', '#4ECDC4', '#45B7D1', '#FFEAA7', '#DDA0DD', '#FFD700', '#FF8E53', '#96CEB4'];\n        for (let i = 0; i < 150; i++) {\n            setTimeout(() => {\n                const confetti = document.createElement('div');\n                confetti.className = 'confetti';\n                confetti.style.left = Math.random() * 100 + '%';\n                confetti.style.background = colors[Math.floor(Math.random() * colors.length)];\n                confetti.style.animationDelay = Math.random() * 0.3 + 's';\n                confetti.style.animationDuration = (2 + Math.random() * 2) + 's';\n                const size = 6 + Math.random() * 10;\n                confetti.style.width = size + 'px';\n                confetti.style.height = size + 'px';\n                confetti.style.borderRadius = Math.random() > 0.5 ? '50%' : Math.random() > 0.5 ? '0' : '2px';\n                confettiContainer.appendChild(confetti);\n                \n                setTimeout(() => confetti.remove(), 4000);\n            }, i * 15);\n        }\n    }\n    \n    function spinWheel() {\n        if (isSpinning) return;\n        \n        const segments = getSegments();\n        if (segments.length === 0) return;\n        \n        isSpinning = true;\n        container.classList.add('spinning');\n        spinBtn.disabled = true;\n        spinBtn.textContent = '\ud83c\udfb0 SPINNING...';\n        \n        // Pick a random winning segment\n        const winningIndex = Math.floor(Math.random() * segments.length);\n        const winningSegment = segments[winningIndex];\n        \n        // === ROTATION MATH ===\n        // The pointer is fixed at TOP (0\u00b0). Segments are drawn with 0\u00b0 at top.\n        // For pointer to hit segment, we need rotation where segment's midAngle aligns with top.\n        \n        // Add random offset within segment bounds\n        const segmentSize = winningSegment.endAngle - winningSegment.startAngle;\n        const randomOffset = (Math.random() - 0.5) * segmentSize * 0.7;\n        \n        // Target position (mod 360) where wheel should stop\n        const targetMod = ((360 - winningSegment.midAngle + randomOffset) % 360 + 360) % 360;\n        \n        // Current wheel position (mod 360)\n        const currentMod = ((totalRotation % 360) + 360) % 360;\n        \n        // Calculate additional rotation needed (always spin forward)\n        let additionalRotation = targetMod - currentMod;\n        if (additionalRotation <= 0) additionalRotation += 360;\n        \n        // Add extra full spins for dramatic effect (5-7 spins)\n        const extraSpins = 5 + Math.floor(Math.random() * 3);\n        const finalRotation = totalRotation + extraSpins * 360 + additionalRotation;\n        \n        // Apply rotation with CSS transition\n        wheel.style.transition = 'transform 4s cubic-bezier(0.17, 0.67, 0.12, 0.99)';\n        wheel.style.transform = `rotate(${finalRotation}deg)`;\n        \n        // Store FULL rotation for next spin\n        totalRotation = finalRotation;\n        \n        // After spin completes, determine winner from ACTUAL landing position\n        setTimeout(() => {\n            isSpinning = false;\n            container.classList.remove('spinning');\n            spinBtn.disabled = false;\n            spinBtn.textContent = '\ud83c\udfb0 SPIN AGAIN!';\n            \n            // Verify which segment the pointer actually landed on\n            const landedRotation = ((totalRotation % 360) + 360) % 360;\n            const pointerAngle = ((360 - landedRotation) % 360 + 360) % 360;\n            \n            // Find which segment contains this angle\n            let actualWinner = winningSegment;\n            for (const seg of segments) {\n                if (pointerAngle >= seg.startAngle && pointerAngle < seg.endAngle) {\n                    actualWinner = seg;\n                    break;\n                }\n            }\n            // Handle wrap-around edge case\n            if (pointerAngle >= segments[segments.length - 1].endAngle || pointerAngle < segments[0].startAngle) {\n                if (segments[0].startAngle === 0) {\n                    actualWinner = segments[0];\n                }\n            }\n            \n            // Persist rotation as prop so it survives re-renders\n            props.rotation = totalRotation;\n            \n            // Update value - this automatically triggers 'change' event\n            // Do NOT call trigger('change') separately or you'll get duplicate events!\n            props.value = actualWinner.label;\n            \n            createConfetti();\n            \n            console.log('Spin complete:', {\n                finalRotation: totalRotation,\n                pointerAngle,\n                winner: actualWinner.label\n            });\n        }, 4100);\n    }\n    \n    // Button click\n    spinBtn.addEventListener('click', spinWheel);\n    \n    // Click on wheel center\n    element.addEventListener('click', (e) => {\n        if (e.target && e.target.classList.contains('center-btn')) {\n            spinWheel();\n        }\n    });\n    \n    // Keyboard support\n    element.addEventListener('keydown', (e) => {\n        if (e.key === 'Enter' || e.key === ' ') {\n            e.preventDefault();\n            spinWheel();\n        }\n    });\n",
"default_props": {
"value": "",
"segments_json": "[{\"label\": \"\\ud83c\\udf81 Grand Prize\", \"color\": \"#FF6B6B\", \"startAngle\": 0, \"endAngle\": 45.0, \"midAngle\": 22.5}, {\"label\": \"\\ud83d\\udc8e 50 Gems\", \"color\": \"#4ECDC4\", \"startAngle\": 45.0, \"endAngle\": 90.0, \"midAngle\": 67.5}, {\"label\": \"\\u2b50 100 XP\", \"color\": \"#45B7D1\", \"startAngle\": 90.0, \"endAngle\": 135.0, \"midAngle\": 112.5}, {\"label\": \"\\ud83c\\udfab Free Trial\", \"color\": \"#96CEB4\", \"startAngle\": 135.0, \"endAngle\": 180.0, \"midAngle\": 157.5}, {\"label\": \"\\ud83d\\udd25 Double Points\", \"color\": \"#FFEAA7\", \"startAngle\": 180.0, \"endAngle\": 225.0, \"midAngle\": 202.5}, {\"label\": \"\\ud83d\\udcb0 10% Off\", \"color\": \"#DDA0DD\", \"startAngle\": 225.0, \"endAngle\": 270.0, \"midAngle\": 247.5}, {\"label\": \"\\ud83c\\udfae Bonus Round\", \"color\": \"#98D8C8\", \"startAngle\": 270.0, \"endAngle\": 315.0, \"midAngle\": 292.5}, {\"label\": \"\\ud83c\\udf40 Try Again\", \"color\": \"#F7DC6F\", \"startAngle\": 315.0, \"endAngle\": 360.0, \"midAngle\": 337.5}]",
"rotation": 0
},
"repo_url": "https://huggingface.co/spaces/ysharma/spin-wheel",
"python_code": "class SpinWheel(gr.HTML):\n    \"\"\"\n    An interactive prize wheel component with:\n    - Smooth CSS spinning animation\n    - Customizable segments with colors\n    - Win detection with callbacks\n    - Confetti celebration effect\n    \"\"\"\n    def __init__(\n        self,\n        value=None,  # Currently selected/won prize (string)\n        segments=None,  # List of {\"label\": str, \"color\": str, \"weight\": int}\n        segments_json=None,  # JSON string of computed segments (for updates)\n        rotation=0,  # Current wheel rotation in degrees (persists position)\n        **kwargs\n    ):\n        # Use provided segments or default\n        if segments is None:\n            segments = DEFAULT_SEGMENTS\n\n        # Compute segment data if not provided as JSON\n        if segments_json is None:\n            segment_data = compute_segment_data(segments)\n            segments_json = json.dumps(segment_data)\n\n        super().__init__(\n            value=value,\n            segments_json=segments_json,\n            rotation=rotation,\n            html_template=HTML_TEMPLATE,\n            css_template=CSS_TEMPLATE,\n            js_on_load=JS_ON_LOAD,\n            **kwargs\n        )\n\n    def api_info(self):\n        return {\"type\": \"string\", \"description\": \"The label of the winning segment\"}\n"
},
{
"id": "star-rating",
"name": "Star Rating",
"description": "Click stars to set a rating from 1 to 5",
"author": "gradio",
"tags": [
    "input",
    "rating",
    "stars"
],
"category": "input",
"html_template": "<h2>${label} rating:</h2>\n${Array.from({length: 5}, (_, i) => `<img class='${i < value ? '' : 'faded'}' src='https://upload.wikimedia.org/wikipedia/commons/d/df/Award-star-gold-3d.svg'>`).join('')}",
"css_template": "img { height: 50px; display: inline-block; cursor: pointer; }\n.faded { filter: grayscale(100%); opacity: 0.3; }",
"js_on_load": "const imgs = element.querySelectorAll('img');\nimgs.forEach((img, index) => {\n    img.addEventListener('click', () => {\n        props.value = index + 1;\n    });\n});",
"default_props": {
    "value": 3,
    "label": "Food"
},
"python_code": "class StarRating(gr.HTML):\n    def __init__(self, label, value=0, **kwargs):\n        html_template = \"\"\"\n        <h2>${label} rating:</h2>\n        ${Array.from({length: 5}, (_, i) => `<img class='${i < value ? '' : 'faded'}' src='https://upload.wikimedia.org/wikipedia/commons/d/df/Award-star-gold-3d.svg'>`).join('')}\n        \"\"\"\n        css_template = \"\"\"\n            img { height: 50px; display: inline-block; cursor: pointer; }\n            .faded { filter: grayscale(100%); opacity: 0.3; }\n        \"\"\"\n        js_on_load = \"\"\"\n            const imgs = element.querySelectorAll('img');\n            imgs.forEach((img, index) => {\n                img.addEventListener('click', () => {\n                    props.value = index + 1;\n                });\n            });\n        \"\"\"\n        super().__init__(\n            value=value, label=label,\n            html_template=html_template,\n            css_template=css_template,\n            js_on_load=js_on_load, **kwargs\n        )\n\n    def api_info(self):\n        return {\"type\": \"integer\", \"minimum\": 0, \"maximum\": 5}"
},
{
"id": "button-set",
"name": "Button Set",
"description": "Multiple buttons that trigger events with click data",
"author": "gradio",
"tags": [
    "input",
    "buttons",
    "events"
],
"category": "input",
"html_template": "<button id='A'>A</button>\n<button id='B'>B</button>\n<button id='C'>C</button>",
"css_template": "button {\n    padding: 10px 20px;\n    background-color: #f97316;\n    color: white;\n    border: none;\n    border-radius: 8px;\n    cursor: pointer;\n    font-weight: 600;\n    margin-right: 8px;\n    transition: background 0.15s;\n}\nbutton:hover { background-color: #ea580c; }",
"js_on_load": "const buttons = element.querySelectorAll('button');\nbuttons.forEach(button => {\n    button.addEventListener('click', () => {\n        trigger('click', {clicked: button.innerText});\n    });\n});",
"default_props": {},
"python_code": "button_set = gr.HTML(\n    html_template=\"\"\"\n    <button id='A'>A</button>\n    <button id='B'>B</button>\n    <button id='C'>C</button>\n    \"\"\",\n    css_template=\"\"\"\n    button {\n        padding: 10px 20px;\n        background-color: #f97316;\n        color: white; border: none;\n        border-radius: 8px; cursor: pointer;\n    }\n    button:hover { background-color: #ea580c; }\n    \"\"\",\n    js_on_load=\"\"\"\n    const buttons = element.querySelectorAll('button');\n    buttons.forEach(button => {\n        button.addEventListener('click', () => {\n            trigger('click', {clicked: button.innerText});\n        });\n    });\n    \"\"\"\n)\n\ndef on_button_click(evt: gr.EventData):\n    return evt.clicked\n\nbutton_set.click(on_button_click, outputs=clicked_box)"
},
{
"id": "progress-bar",
"name": "Progress Bar",
"description": "Interactive progress bar - click the track to set progress",
"author": "gradio",
"tags": [
    "display",
    "progress",
    "animation"
],
"category": "display",
"html_template": "<div class=\"progress-container\">\n    <div class=\"progress-label\">${label}</div>\n    <div class=\"progress-track\">\n        <div class=\"progress-fill\" style=\"width: ${value}%\"></div>\n    </div>\n    <div class=\"progress-text\">${value}%</div>\n</div>",
"css_template": ".progress-container { padding: 8px 0; }\n.progress-label { font-weight: 600; margin-bottom: 8px; font-size: 15px; }\n.progress-track { width: 100%; height: 24px; background: #e5e7eb; border-radius: 12px; overflow: hidden; cursor: pointer; }\n.progress-fill { height: 100%; background: linear-gradient(90deg, #f97316, #fb923c); border-radius: 12px; transition: width 0.4s ease; }\n.progress-text { margin-top: 6px; font-size: 14px; color: #6b7280; text-align: right; font-variant-numeric: tabular-nums; }",
"js_on_load": "const track = element.querySelector('.progress-track');\ntrack.addEventListener('click', (e) => {\n    const rect = track.getBoundingClientRect();\n    const pct = Math.round(((e.clientX - rect.left) / rect.width) * 100);\n    props.value = Math.max(0, Math.min(100, pct));\n});",
"default_props": {
    "value": 65,
    "label": "Upload Progress"
},
"python_code": "progress = gr.HTML(\n    value=65,\n    label=\"Upload Progress\",\n    html_template=\"\"\"\n    <div class=\"progress-container\">\n        <div class=\"progress-label\">${label}</div>\n        <div class=\"progress-track\">\n            <div class=\"progress-fill\" style=\"width: ${value}%\"></div>\n        </div>\n        <div class=\"progress-text\">${value}%</div>\n    </div>\n    \"\"\",\n    css_template=\"\"\"\n    .progress-track {\n        width: 100%; height: 24px;\n        background: #e5e7eb; border-radius: 12px;\n        overflow: hidden; cursor: pointer;\n    }\n    .progress-fill {\n        height: 100%;\n        background: linear-gradient(90deg, #f97316, #fb923c);\n        border-radius: 12px; transition: width 0.4s ease;\n    }\n    \"\"\",\n    js_on_load=\"\"\"\n    const track = element.querySelector('.progress-track');\n    track.addEventListener('click', (e) => {\n        const rect = track.getBoundingClientRect();\n        const pct = Math.round(\n            ((e.clientX - rect.left) / rect.width) * 100\n        );\n        props.value = Math.max(0, Math.min(100, pct));\n    });\n    \"\"\"\n)"
},
{
"id": "likert-scale",
"name": "Likert Scale",
"description": "Agreement scale from Strongly Disagree to Strongly Agree",
"author": "gradio",
"tags": [
    "input",
    "survey",
    "scale"
],
"category": "input",
"html_template": "<div class=\"likert-container\">\n    <div class=\"likert-question\">${question}</div>\n    <div class=\"likert-scale\">\n        ${['Strongly Disagree', 'Disagree', 'Neutral', 'Agree', 'Strongly Agree'].map((label, i) => `\n            <label class=\"likert-option ${value === i + 1 ? 'selected' : ''}\">\n                <input type=\"radio\" name=\"likert\" value=\"${i + 1}\" ${value === i + 1 ? 'checked' : ''} />\n                <span class=\"likert-dot\"></span>\n                <span class=\"likert-label\">${label}</span>\n            </label>\n        `).join('')}\n    </div>\n</div>",
"css_template": ".likert-container { padding: 8px 0; }\n.likert-question { font-weight: 600; margin-bottom: 16px; font-size: 15px; }\n.likert-scale { display: flex; justify-content: space-between; gap: 4px; }\n.likert-option { display: flex; flex-direction: column; align-items: center; cursor: pointer; flex: 1; gap: 8px; }\n.likert-option input { display: none; }\n.likert-dot { width: 24px; height: 24px; border-radius: 50%; border: 2px solid #d1d5db; transition: all 0.2s; }\n.likert-option:hover .likert-dot { border-color: #f97316; }\n.likert-option.selected .likert-dot { background: #f97316; border-color: #f97316; }\n.likert-label { font-size: 11px; text-align: center; color: #6b7280; line-height: 1.3; }",
"js_on_load": "const radios = element.querySelectorAll('input[type=\"radio\"]');\nradios.forEach(radio => {\n    radio.addEventListener('change', () => {\n        props.value = parseInt(radio.value);\n    });\n});",
"default_props": {
    "value": 0,
    "question": "This component is easy to use"
},
"python_code": "class LikertScale(gr.HTML):\n    def __init__(self, question=\"Rate this item\", value=0, **kwargs):\n        html_template = \"\"\"\n        <div class=\"likert-container\">\n            <div class=\"likert-question\">${question}</div>\n            <div class=\"likert-scale\">\n                ${['Strongly Disagree', 'Disagree', 'Neutral', 'Agree', 'Strongly Agree'].map((label, i) => `\n                    <label class=\"likert-option ${value === i + 1 ? 'selected' : ''}\">\n                        <input type=\"radio\" name=\"likert\" value=\"${i + 1}\" ${value === i + 1 ? 'checked' : ''} />\n                        <span class=\"likert-dot\"></span>\n                        <span class=\"likert-label\">${label}</span>\n                    </label>\n                `).join('')}\n            </div>\n        </div>\n        \"\"\"\n        css_template = \"\"\"\n        .likert-scale { display: flex; justify-content: space-between; }\n        .likert-option { display: flex; flex-direction: column; align-items: center; cursor: pointer; }\n        .likert-dot { width: 24px; height: 24px; border-radius: 50%; border: 2px solid #d1d5db; }\n        .likert-option.selected .likert-dot { background: #f97316; border-color: #f97316; }\n        \"\"\"\n        js_on_load = \"\"\"\n        const radios = element.querySelectorAll('input[type=\"radio\"]');\n        radios.forEach(radio => {\n            radio.addEventListener('change', () => {\n                props.value = parseInt(radio.value);\n            });\n        });\n        \"\"\"\n        super().__init__(\n            value=value, question=question,\n            html_template=html_template,\n            css_template=css_template,\n            js_on_load=js_on_load, **kwargs\n        )\n\n    def api_info(self):\n        return {\"type\": \"integer\", \"minimum\": 0, \"maximum\": 5}"
},
{
"id": "tag-input",
"name": "Tag Input",
"description": "Add and remove tags with keyboard input",
"author": "gradio",
"tags": [
    "input",
    "tags",
    "text"
],
"category": "input",
"html_template": "<div class=\"tag-input-container\">\n    <div class=\"tag-list\">\n        ${(value || []).map((tag, i) => `\n            <span class=\"tag-pill\">\n                ${tag}\n                <button class=\"tag-remove\" data-index=\"${i}\">&times;</button>\n            </span>\n        `).join('')}\n        <input type=\"text\" class=\"tag-text-input\" placeholder=\"${(value || []).length === 0 ? 'Type a tag and press Enter...' : 'Add more...'}\" />\n    </div>\n</div>",
"css_template": ".tag-input-container { padding: 4px 0; }\n.tag-list { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; padding: 8px; border: 1px solid #e5e7eb; border-radius: 8px; min-height: 42px; }\n.tag-pill { display: inline-flex; align-items: center; gap: 4px; padding: 4px 10px; background: #fff7ed; color: #ea580c; border-radius: 16px; font-size: 13px; font-weight: 500; border: 1px solid #fed7aa; }\n.tag-remove { background: none; border: none; color: #ea580c; cursor: pointer; font-size: 16px; padding: 0 2px; line-height: 1; opacity: 0.6; }\n.tag-remove:hover { opacity: 1; }\n.tag-text-input { border: none; outline: none; flex: 1; min-width: 120px; font-size: 14px; padding: 4px; background: transparent; }",
"js_on_load": "const input = element.querySelector('.tag-text-input');\ninput.addEventListener('keydown', (e) => {\n    if (e.key === 'Enter' && input.value.trim()) {\n        e.preventDefault();\n        const tags = [...(props.value || []), input.value.trim()];\n        props.value = tags;\n        input.value = '';\n    }\n    if (e.key === 'Backspace' && !input.value && props.value && props.value.length > 0) {\n        props.value = props.value.slice(0, -1);\n    }\n});\nelement.addEventListener('click', (e) => {\n    const btn = e.target.closest('.tag-remove');\n    if (!btn) return;\n    const idx = parseInt(btn.dataset.index);\n    const tags = [...(props.value || [])];\n    tags.splice(idx, 1);\n    props.value = tags;\n});",
"default_props": {
    "value": [
    "python",
    "gradio",
    "html"
    ]
},
"python_code": "class TagInput(gr.HTML):\n    def __init__(self, value=None, **kwargs):\n        html_template = \"\"\"\n        <div class=\"tag-input-container\">\n            <div class=\"tag-list\">\n                ${(value || []).map((tag, i) => `\n                    <span class=\"tag-pill\">\n                        ${tag}\n                        <button class=\"tag-remove\" data-index=\"${i}\">&times;</button>\n                    </span>\n                `).join('')}\n                <input type=\"text\" class=\"tag-text-input\"\n                       placeholder=\"Type a tag and press Enter...\" />\n            </div>\n        </div>\n        \"\"\"\n        css_template = \"\"\"\n        .tag-list {\n            display: flex; flex-wrap: wrap; gap: 6px;\n            padding: 8px; border: 1px solid #e5e7eb;\n            border-radius: 8px;\n        }\n        .tag-pill {\n            padding: 4px 10px; background: #fff7ed;\n            color: #ea580c; border-radius: 16px;\n            font-size: 13px; border: 1px solid #fed7aa;\n        }\n        \"\"\"\n        js_on_load = \"\"\"\n        const input = element.querySelector('.tag-text-input');\n        input.addEventListener('keydown', (e) => {\n            if (e.key === 'Enter' && input.value.trim()) {\n                e.preventDefault();\n                props.value = [...(props.value || []), input.value.trim()];\n                input.value = '';\n            }\n        });\n        element.addEventListener('click', (e) => {\n            const btn = e.target.closest('.tag-remove');\n            if (!btn) return;\n            const idx = parseInt(btn.dataset.index);\n            const tags = [...(props.value || [])];\n            tags.splice(idx, 1);\n            props.value = tags;\n        });\n        \"\"\"\n        super().__init__(\n            value=value or [],\n            html_template=html_template,\n            css_template=css_template,\n            js_on_load=js_on_load, **kwargs\n        )\n\n    def api_info(self):\n        return {\"type\": \"array\", \"items\": {\"type\": \"string\"}}"
},
{
"id": "colored-checkbox-group",
"name": "Colored Checkbox Group",
"description": "Multi-select checkbox group with custom colors per option",
"author": "gradio",
"tags": [
    "input",
    "checkbox",
    "color"
],
"category": "input",
"html_template": "<div class=\"colored-checkbox-container\">\n    ${label ? `<label class=\"container-label\">${label}</label>` : ''}\n    <div class=\"colored-checkbox-group\">\n        ${choices.map((choice, i) => `\n            <label class=\"checkbox-label\" data-color-index=\"${i}\">\n                <input type=\"checkbox\" value=\"${choice}\" ${(value || []).includes(choice) ? 'checked' : ''}>\n                ${choice}\n            </label>\n        `).join('')}\n    </div>\n</div>",
"css_template": ".colored-checkbox-container { border: 1px solid #e5e7eb; border-radius: 12px; padding: 16px; }\n.container-label { display: block; margin-bottom: 12px; font-weight: 600; }\n.colored-checkbox-group { display: flex; flex-direction: column; gap: 6px; }\n.checkbox-label { display: flex; align-items: center; cursor: pointer; padding: 4px 0; }\n.checkbox-label input { margin-right: 8px; }\n${choices.map((choice, i) => `.checkbox-label[data-color-index=\"${i}\"] { color: ${colors[i]}; }`).join(' ')}",
"js_on_load": "const checkboxes = element.querySelectorAll('input[type=\"checkbox\"]');\ncheckboxes.forEach(checkbox => {\n    checkbox.addEventListener('change', () => {\n        props.value = Array.from(checkboxes)\n            .filter(cb => cb.checked)\n            .map(cb => cb.value);\n    });\n});",
"default_props": {
    "value": [],
    "choices": [
    "Apple",
    "Banana",
    "Cherry"
    ],
    "colors": [
    "#dc2626",
    "#eab308",
    "#dc2626"
    ],
    "label": "Select fruits"
},
"python_code": "class ColoredCheckboxGroup(gr.HTML):\n    def __init__(self, choices, *, value=None, colors, label=None, **kwargs):\n        html_template = \"\"\"\n        <div class=\"colored-checkbox-container\">\n            ${label ? `<label>${label}</label>` : ''}\n            <div class=\"colored-checkbox-group\">\n                ${choices.map((choice, i) => `\n                    <label class=\"checkbox-label\" data-color-index=\"${i}\">\n                        <input type=\"checkbox\" value=\"${choice}\"\n                               ${(value || []).includes(choice) ? 'checked' : ''}>\n                        ${choice}\n                    </label>\n                `).join('')}\n            </div>\n        </div>\n        \"\"\"\n        css_template = \"\"\"\n        .colored-checkbox-group { display: flex; flex-direction: column; gap: 6px; }\n        .checkbox-label { display: flex; align-items: center; cursor: pointer; }\n        ${choices.map((choice, i) =>\n            `.checkbox-label[data-color-index=\"${i}\"] { color: ${colors[i]}; }`\n        ).join(' ')}\n        \"\"\"\n        js_on_load = \"\"\"\n        const checkboxes = element.querySelectorAll('input[type=\"checkbox\"]');\n        checkboxes.forEach(checkbox => {\n            checkbox.addEventListener('change', () => {\n                props.value = Array.from(checkboxes)\n                    .filter(cb => cb.checked)\n                    .map(cb => cb.value);\n            });\n        });\n        \"\"\"\n        super().__init__(\n            value=value or [], choices=choices,\n            colors=colors, label=label,\n            html_template=html_template,\n            css_template=css_template,\n            js_on_load=js_on_load, **kwargs\n        )"
},
{
"id": "todo-list",
"name": "Todo List",
"description": "Interactive checklist with strikethrough on completed items",
"author": "gradio",
"tags": [
    "form",
    "todo",
    "checklist"
],
"category": "form",
"html_template": "<h2>Todo List</h2>\n<ul>\n    ${value.map((item, index) => `\n        <li style=\"text-decoration: ${completed.includes(index) ? 'line-through' : 'none'}; list-style: none; padding: 6px 0;\">\n            <input type=\"checkbox\" ${completed.includes(index) ? 'checked' : ''} data-index=\"${index}\" />\n            ${item}\n        </li>\n    `).join('')}\n</ul>",
"css_template": "h2 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }\nul { padding: 0; margin: 0; }\nli { font-size: 14px; transition: opacity 0.2s; }\nli input { margin-right: 8px; cursor: pointer; }",
"js_on_load": "const checkboxes = element.querySelectorAll('input[type=\"checkbox\"]');\ncheckboxes.forEach(checkbox => {\n    checkbox.addEventListener('change', () => {\n        const index = parseInt(checkbox.getAttribute('data-index'));\n        let completed = props.completed || [];\n        if (checkbox.checked) {\n            if (!completed.includes(index)) {\n                completed.push(index);\n            }\n        } else {\n            completed = completed.filter(i => i !== index);\n        }\n        props.completed = [...completed];\n    });\n});",
"default_props": {
    "value": [
    "Buy groceries",
    "Walk the dog",
    "Read a book",
    "Write code"
    ],
    "completed": [
    1
    ]
},
"python_code": "class TodoList(gr.HTML):\n    def __init__(self, value=None, completed=None, **kwargs):\n        html_template = \"\"\"\n        <h2>Todo List</h2>\n        <ul>\n            ${value.map((item, index) => `\n                <li style=\"text-decoration: ${completed.includes(index) ? 'line-through' : 'none'};\">\n                    <input type=\"checkbox\" ${completed.includes(index) ? 'checked' : ''} data-index=\"${index}\" />\n                    ${item}\n                </li>\n            `).join('')}\n        </ul>\n        \"\"\"\n        js_on_load = \"\"\"\n        const checkboxes = element.querySelectorAll('input[type=\"checkbox\"]');\n        checkboxes.forEach(checkbox => {\n            checkbox.addEventListener('change', () => {\n                const index = parseInt(checkbox.getAttribute('data-index'));\n                let completed = props.completed || [];\n                if (checkbox.checked) {\n                    if (!completed.includes(index)) completed.push(index);\n                } else {\n                    completed = completed.filter(i => i !== index);\n                }\n                props.completed = [...completed];\n            });\n        });\n        \"\"\"\n        super().__init__(\n            value=value or [], completed=completed or [],\n            html_template=html_template,\n            js_on_load=js_on_load, **kwargs\n        )"
},
{
"id": "audio-gallery",
"name": "Audio Gallery",
"description": "Grid of audio players with waveform visualization and selection",
"author": "gradio",
"tags": [
    "display",
    "audio",
    "gallery",
    "media"
],
"category": "display",
"html_template": "<div class=\"audio-gallery-container\">\n    ${label ? `<label class=\"container-label\">${label}</label>` : ''}\n    <div class=\"audio-gallery-grid\" style=\"grid-template-columns: repeat(${columns}, 1fr);\">\n        ${audio_urls.map((url, i) => `\n            <div class=\"audio-item\" data-index=\"${i}\">\n                <div class=\"audio-label\">${labels && labels[i] ? labels[i] : 'Audio ' + (i + 1)}</div>\n                <canvas class=\"waveform-canvas\" data-url=\"${url}\" width=\"300\" height=\"80\"></canvas>\n                <audio src=\"${url}\" preload=\"metadata\" ${value === url ? 'data-selected=\"true\"' : ''}></audio>\n                <div class=\"audio-controls\">\n                    <button class=\"play-btn\">\u25b6</button>\n                    <div class=\"time-display\">0:00</div>\n                </div>\n            </div>\n        `).join('')}\n    </div>\n</div>",
"css_template": ".audio-gallery-container { padding: 8px; }\n.container-label { display: block; margin-bottom: 12px; font-weight: 600; }\n.audio-gallery-grid { display: grid; gap: 12px; }\n.audio-item { border: 2px solid #e5e7eb; border-radius: 10px; padding: 12px; cursor: pointer; transition: all 0.2s; }\n.audio-item:hover { border-color: #f97316; box-shadow: 0 2px 8px rgba(0,0,0,0.1); }\n.audio-item[data-selected=\"true\"] { border-color: #f97316; background-color: #fff7ed; }\n.audio-label { margin-bottom: 8px; text-align: center; font-size: 13px; font-weight: 500; }\n.waveform-canvas { width: 100%; height: 80px; background: #f9fafb; border-radius: 6px; margin-bottom: 8px; }\n.audio-controls { display: flex; align-items: center; gap: 8px; }\n.play-btn { width: 32px; height: 32px; border-radius: 50%; border: none; background: #f97316; color: white; cursor: pointer; font-size: 14px; }\n.play-btn:hover { opacity: 0.8; }\n.time-display { font-size: 12px; color: #6b7280; }",
"js_on_load": "const audioItems = element.querySelectorAll('.audio-item');\naudioItems.forEach((item, index) => {\n    const canvas = item.querySelector('.waveform-canvas');\n    const audio = item.querySelector('audio');\n    const playBtn = item.querySelector('.play-btn');\n    const timeDisplay = item.querySelector('.time-display');\n    const ctx = canvas.getContext('2d');\n    drawWaveform(canvas, ctx);\n    item.addEventListener('click', (e) => {\n        if (e.target === playBtn) return;\n        audioItems.forEach(i => i.removeAttribute('data-selected'));\n        item.setAttribute('data-selected', 'true');\n        props.value = audio.src;\n    });\n    playBtn.addEventListener('click', (e) => {\n        e.stopPropagation();\n        if (audio.paused) {\n            element.querySelectorAll('audio').forEach(a => a.pause());\n            element.querySelectorAll('.play-btn').forEach(b => b.textContent = '\u25b6');\n            audio.play();\n            playBtn.textContent = '\u23f8';\n        } else {\n            audio.pause();\n            playBtn.textContent = '\u25b6';\n        }\n    });\n    audio.addEventListener('timeupdate', () => {\n        const currentTime = Math.floor(audio.currentTime);\n        const minutes = Math.floor(currentTime / 60);\n        const seconds = currentTime % 60;\n        timeDisplay.textContent = minutes + ':' + seconds.toString().padStart(2, '0');\n        const progress = audio.currentTime / audio.duration;\n        drawWaveform(canvas, ctx, progress);\n    });\n    audio.addEventListener('ended', () => {\n        playBtn.textContent = '\u25b6';\n        drawWaveform(canvas, ctx, 0);\n    });\n});\nfunction drawWaveform(canvas, ctx, progress) {\n    progress = progress || 0;\n    const width = canvas.width;\n    const height = canvas.height;\n    const bars = 50;\n    const barWidth = width / bars;\n    ctx.clearRect(0, 0, width, height);\n    for (let i = 0; i < bars; i++) {\n        const barHeight = (Math.sin(i * 0.5) * 0.3 + 0.5) * height * 0.8;\n        const x = i * barWidth;\n        const y = (height - barHeight) / 2;\n        ctx.fillStyle = i / bars < progress ? '#f97316' : '#d1d5db';\n        ctx.fillRect(x, y, barWidth - 2, barHeight);\n    }\n}",
"default_props": {
    "value": null,
    "audio_urls": [
    "https://github.com/gradio-app/gradio/raw/main/test/test_files/audio_sample.wav",
    "https://github.com/gradio-app/gradio/raw/main/test/test_files/audio_sample-1-4.wav",
    "https://github.com/gradio-app/gradio/raw/main/gradio/media_assets/audio/cantina.wav"
    ],
    "labels": [
    "Sample 1",
    "Sample 2",
    "Cantina"
    ],
    "columns": 3,
    "label": "Select an audio file"
},
"python_code": "class AudioGallery(gr.HTML):\n    def __init__(self, audio_urls, *, value=None, labels=None,\n                 columns=3, label=None, **kwargs):\n        html_template = \"\"\"\n        <div class=\"audio-gallery-container\">\n            ${label ? `<label>${label}</label>` : ''}\n            <div class=\"audio-gallery-grid\"\n                 style=\"grid-template-columns: repeat(${columns}, 1fr);\">\n                ${audio_urls.map((url, i) => `\n                    <div class=\"audio-item\" data-index=\"${i}\">\n                        <div class=\"audio-label\">\n                            ${labels && labels[i] ? labels[i] : 'Audio ' + (i+1)}\n                        </div>\n                        <canvas class=\"waveform-canvas\" width=\"300\" height=\"80\"></canvas>\n                        <audio src=\"${url}\" preload=\"metadata\"></audio>\n                        <div class=\"audio-controls\">\n                            <button class=\"play-btn\">\u25b6</button>\n                            <div class=\"time-display\">0:00</div>\n                        </div>\n                    </div>\n                `).join('')}\n            </div>\n        </div>\n        \"\"\"\n        super().__init__(\n            value=value, audio_urls=audio_urls,\n            labels=labels, columns=columns, label=label,\n            html_template=html_template,\n            css_template=CSS_TEMPLATE,\n            js_on_load=JS_ON_LOAD, **kwargs\n        )"
},
{
"id": "kanban-board",
"name": "Kanban Board",
"description": "Drag-and-drop Kanban board with inline editing, priority labels, and search",
"author": "gradio",
"tags": [
    "input",
    "kanban",
    "drag-drop",
    "project-management"
],
"category": "input",
"html_template": "<div class=\"kanban-wrapper\">\n    <div class=\"kanban-header\">\n        <h2>${board_title}</h2>\n        <div class=\"header-right\">\n            <div class=\"search-box\">\n                <span class=\"search-icon\">\ud83d\udd0d</span>\n                <input type=\"text\" class=\"search-input\" placeholder=\"Search cards...\" />\n            </div>\n            <div class=\"header-stats\">\n                ${(() => {\n                    const cols = (value && value.columns) || [];\n                    const total = cols.reduce((sum, col) => sum + col.cards.length, 0);\n                    const done = cols.find(c => c.id === 'done');\n                    const doneCount = done ? done.cards.length : 0;\n                    const pct = total > 0 ? Math.round((doneCount / total) * 100) : 0;\n                    return '<span class=\"stat-pill\">\ud83d\udcca ' + total + ' tasks</span>' +\n                           '<span class=\"stat-pill done-pill\">\u2705 ' + doneCount + ' done (' + pct + '%)</span>';\n                })()}\n            </div>\n        </div>\n    </div>\n    <div class=\"kb-progress-track\">\n        ${(() => {\n            const cols = (value && value.columns) || [];\n            const total = cols.reduce((sum, col) => sum + col.cards.length, 0);\n            const done = cols.find(c => c.id === 'done');\n            const doneCount = done ? done.cards.length : 0;\n            const pct = total > 0 ? Math.round((doneCount / total) * 100) : 0;\n            return '<div class=\"kb-progress-bar\" style=\"width: ' + pct + '%\"></div>';\n        })()}\n    </div>\n    <div class=\"kanban-board\">\n        ${((value && value.columns) || []).map((col, colIdx) => `\n            <div class=\"kanban-column ${col.collapsed ? 'collapsed' : ''}\" data-col-idx=\"${colIdx}\" data-col-id=\"${col.id}\">\n                <div class=\"column-header\" style=\"border-top: 3px solid ${col.color}\">\n                    <div class=\"col-header-left\">\n                        <button class=\"collapse-btn\" data-col-idx=\"${colIdx}\">${col.collapsed ? '\u25b6' : '\u25bc'}</button>\n                        <span class=\"col-title\">${col.title}</span>\n                    </div>\n                    <span class=\"col-count\" style=\"background: ${col.color}22; color: ${col.color}\">${col.cards.length}</span>\n                </div>\n                <div class=\"card-list ${col.collapsed ? 'hidden' : ''}\" data-col-idx=\"${colIdx}\">\n                    ${col.cards.map((card, cardIdx) => `\n                        <div class=\"kanban-card\" draggable=\"true\" data-col-idx=\"${colIdx}\" data-card-idx=\"${cardIdx}\" data-card-id=\"${card.id}\">\n                            <div class=\"card-priority priority-${card.priority}\"></div>\n                            <div class=\"card-content\">\n                                <div class=\"card-text\" data-col-idx=\"${colIdx}\" data-card-idx=\"${cardIdx}\">${card.text}</div>\n                                <div class=\"card-footer\">\n                                    <div class=\"card-tags\">\n                                        ${(card.tags || []).map(t => '<span class=\"kb-tag\">' + t + '</span>').join('')}\n                                    </div>\n                                    <div class=\"card-actions\">\n                                        <button class=\"priority-cycle\" data-col-idx=\"${colIdx}\" data-card-idx=\"${cardIdx}\" title=\"Cycle priority\">\n                                            ${card.priority === 'high' ? '\ud83d\udd34' : card.priority === 'medium' ? '\ud83d\udfe1' : '\ud83d\udfe2'}\n                                        </button>\n                                        <button class=\"delete-card\" data-col-idx=\"${colIdx}\" data-card-idx=\"${cardIdx}\" title=\"Delete card\">\u2715</button>\n                                    </div>\n                                </div>\n                            </div>\n                        </div>\n                    `).join('')}\n                </div>\n                <div class=\"add-card-area ${col.collapsed ? 'hidden' : ''}\">\n                    <input type=\"text\" class=\"add-card-input\" data-col-idx=\"${colIdx}\" placeholder=\"+ Add a card\u2026  \u23ce\" />\n                </div>\n            </div>\n        `).join('')}\n    </div>\n</div>",
"css_template": ".kanban-wrapper {\n    background: linear-gradient(135deg, #0f172a 0%, #1a1a2e 100%);\n    border-radius: 16px;\n    padding: 24px;\n    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;\n    color: #e2e8f0;\n    overflow-x: auto;\n}\n.kanban-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; flex-wrap: wrap; gap: 12px; }\n.kanban-header h2 { margin: 0; font-size: 22px; color: #f8fafc; letter-spacing: -0.3px; }\n.header-right { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }\n.search-box { display: flex; align-items: center; background: rgba(255,255,255,0.06); border: 1px solid #334155; border-radius: 10px; padding: 4px 12px; transition: all 0.2s; }\n.search-box:focus-within { border-color: #6366f1; background: rgba(99, 102, 241, 0.06); }\n.search-icon { font-size: 13px; margin-right: 6px; }\n.search-input { background: none; border: none; color: #e2e8f0; font-size: 13px; outline: none; width: 140px; }\n.search-input::placeholder { color: #475569; }\n.header-stats { display: flex; gap: 8px; }\n.stat-pill { background: rgba(255,255,255,0.08); padding: 5px 14px; border-radius: 12px; font-size: 13px; color: #94a3b8; font-weight: 500; }\n.done-pill { color: #10b981; }\n.kb-progress-track { height: 4px; background: rgba(255,255,255,0.08); border-radius: 4px; margin-bottom: 20px; overflow: hidden; }\n.kb-progress-bar { height: 100%; background: linear-gradient(90deg, #6366f1, #10b981); border-radius: 4px; transition: width 0.5s ease; }\n.kanban-board { display: flex; gap: 16px; min-height: 400px; padding-bottom: 8px; }\n.kanban-column { background: #1e293b; border-radius: 12px; min-width: 270px; max-width: 310px; flex: 1; display: flex; flex-direction: column; transition: min-width 0.3s, max-width 0.3s; }\n.kanban-column.collapsed { min-width: 60px; max-width: 60px; }\n.column-header { padding: 14px 14px 10px; display: flex; justify-content: space-between; align-items: center; border-radius: 12px 12px 0 0; user-select: none; }\n.col-header-left { display: flex; align-items: center; gap: 8px; }\n.collapse-btn { background: none; border: none; color: #64748b; cursor: pointer; font-size: 10px; padding: 2px 4px; border-radius: 4px; transition: color 0.2s; }\n.collapse-btn:hover { color: #e2e8f0; }\n.col-title { font-weight: 600; font-size: 14px; white-space: nowrap; }\n.col-count { min-width: 26px; height: 26px; border-radius: 13px; display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 600; }\n.card-list { flex: 1; padding: 6px 10px; min-height: 60px; transition: background 0.2s; }\n.card-list.hidden, .add-card-area.hidden { display: none; }\n.card-list.drag-over { background: rgba(99, 102, 241, 0.08); border-radius: 8px; }\n.kanban-card { background: #0f172a; border: 1px solid #334155; border-radius: 10px; padding: 12px 12px 12px 16px; margin-bottom: 8px; cursor: grab; transition: all 0.15s ease; position: relative; overflow: hidden; animation: cardIn 0.2s ease; }\n.kanban-card:hover { border-color: #6366f1; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,0,0,0.3); }\n.kanban-card.dragging { opacity: 0.4; transform: rotate(2deg) scale(0.97); }\n.kanban-card.search-hidden { display: none; }\n.kanban-card.search-highlight { border-color: #f59e0b; box-shadow: 0 0 0 1px #f59e0b44; }\n.card-priority { width: 4px; height: 100%; position: absolute; left: 0; top: 0; border-radius: 10px 0 0 10px; }\n.priority-high { background: #ef4444; }\n.priority-medium { background: #f59e0b; }\n.priority-low { background: #10b981; }\n.card-content { padding-left: 4px; }\n.card-text { font-size: 13px; line-height: 1.5; color: #e2e8f0; cursor: text; border-radius: 4px; padding: 2px 4px; margin: -2px -4px; transition: background 0.15s; }\n.card-text:hover { background: rgba(255,255,255,0.04); }\n.card-text.editing { background: rgba(99, 102, 241, 0.1); outline: 1px solid #6366f1; min-height: 1.5em; }\n.card-footer { display: flex; justify-content: space-between; align-items: center; margin-top: 10px; }\n.card-tags { display: flex; gap: 4px; flex-wrap: wrap; }\n.kb-tag { background: rgba(99, 102, 241, 0.15); color: #a5b4fc; padding: 2px 9px; border-radius: 10px; font-size: 11px; font-weight: 500; }\n.card-actions { display: flex; gap: 2px; opacity: 0; transition: opacity 0.15s; }\n.kanban-card:hover .card-actions { opacity: 1; }\n.priority-cycle, .delete-card { background: none; border: none; cursor: pointer; font-size: 13px; padding: 3px 6px; border-radius: 6px; transition: all 0.15s; color: #475569; }\n.delete-card:hover { color: #ef4444; background: rgba(239, 68, 68, 0.1); }\n.priority-cycle:hover { background: rgba(255,255,255,0.08); }\n.add-card-area { padding: 6px 10px 14px; }\n.add-card-input { width: 100%; background: rgba(255,255,255,0.04); border: 1px dashed #334155; border-radius: 10px; padding: 10px 14px; color: #94a3b8; font-size: 13px; outline: none; transition: all 0.2s; box-sizing: border-box; }\n.add-card-input:focus { border-color: #6366f1; border-style: solid; background: rgba(99, 102, 241, 0.05); color: #e2e8f0; }\n.add-card-input::placeholder { color: #475569; }\n@keyframes cardIn { from { opacity: 0; transform: translateY(-8px) scale(0.97); } to { opacity: 1; transform: translateY(0) scale(1); } }",
"js_on_load": "let dragSrcColIdx = null;\nlet dragSrcCardIdx = null;\nelement.addEventListener('dragstart', (e) => {\n    const card = e.target.closest('.kanban-card');\n    if (!card) return;\n    dragSrcColIdx = parseInt(card.dataset.colIdx);\n    dragSrcCardIdx = parseInt(card.dataset.cardIdx);\n    card.classList.add('dragging');\n    e.dataTransfer.effectAllowed = 'move';\n});\nelement.addEventListener('dragend', (e) => {\n    const card = e.target.closest('.kanban-card');\n    if (card) card.classList.remove('dragging');\n    element.querySelectorAll('.card-list').forEach(cl => cl.classList.remove('drag-over'));\n});\nelement.addEventListener('dragover', (e) => {\n    e.preventDefault();\n    const cardList = e.target.closest('.card-list');\n    if (cardList) cardList.classList.add('drag-over');\n});\nelement.addEventListener('dragleave', (e) => {\n    const cardList = e.target.closest('.card-list');\n    if (cardList && !cardList.contains(e.relatedTarget)) {\n        cardList.classList.remove('drag-over');\n    }\n});\nelement.addEventListener('drop', (e) => {\n    e.preventDefault();\n    const cardList = e.target.closest('.card-list');\n    if (!cardList || dragSrcColIdx === null) return;\n    cardList.classList.remove('drag-over');\n    const destColIdx = parseInt(cardList.dataset.colIdx);\n    const nv = JSON.parse(JSON.stringify(props.value));\n    const card = nv.columns[dragSrcColIdx].cards.splice(dragSrcCardIdx, 1)[0];\n    const cardElements = cardList.querySelectorAll('.kanban-card:not(.dragging)');\n    let insertIdx = nv.columns[destColIdx].cards.length;\n    for (let i = 0; i < cardElements.length; i++) {\n        const rect = cardElements[i].getBoundingClientRect();\n        if (e.clientY < rect.top + rect.height / 2) { insertIdx = i; break; }\n    }\n    nv.columns[destColIdx].cards.splice(insertIdx, 0, card);\n    props.value = nv;\n    trigger('change');\n    dragSrcColIdx = null;\n    dragSrcCardIdx = null;\n});\nelement.addEventListener('click', (e) => {\n    const delBtn = e.target.closest('.delete-card');\n    if (!delBtn) return;\n    e.stopPropagation();\n    const colIdx = parseInt(delBtn.dataset.colIdx);\n    const cardIdx = parseInt(delBtn.dataset.cardIdx);\n    const nv = JSON.parse(JSON.stringify(props.value));\n    nv.columns[colIdx].cards.splice(cardIdx, 1);\n    props.value = nv;\n    trigger('change');\n});\nelement.addEventListener('click', (e) => {\n    const btn = e.target.closest('.priority-cycle');\n    if (!btn) return;\n    e.stopPropagation();\n    const colIdx = parseInt(btn.dataset.colIdx);\n    const cardIdx = parseInt(btn.dataset.cardIdx);\n    const nv = JSON.parse(JSON.stringify(props.value));\n    const card = nv.columns[colIdx].cards[cardIdx];\n    const cycle = { low: 'medium', medium: 'high', high: 'low' };\n    card.priority = cycle[card.priority] || 'low';\n    props.value = nv;\n    trigger('change');\n});\nelement.addEventListener('click', (e) => {\n    const btn = e.target.closest('.collapse-btn');\n    if (!btn) return;\n    const colIdx = parseInt(btn.dataset.colIdx);\n    const nv = JSON.parse(JSON.stringify(props.value));\n    nv.columns[colIdx].collapsed = !nv.columns[colIdx].collapsed;\n    props.value = nv;\n    trigger('change');\n});\nelement.addEventListener('dblclick', (e) => {\n    const textEl = e.target.closest('.card-text');\n    if (!textEl) return;\n    textEl.contentEditable = 'true';\n    textEl.classList.add('editing');\n    textEl.focus();\n    const range = document.createRange();\n    range.selectNodeContents(textEl);\n    const sel = window.getSelection();\n    sel.removeAllRanges();\n    sel.addRange(range);\n});\nfunction commitEdit(textEl) {\n    textEl.contentEditable = 'false';\n    textEl.classList.remove('editing');\n    const colIdx = parseInt(textEl.dataset.colIdx);\n    const cardIdx = parseInt(textEl.dataset.cardIdx);\n    const newText = textEl.innerText.trim();\n    if (!newText) return;\n    const nv = JSON.parse(JSON.stringify(props.value));\n    nv.columns[colIdx].cards[cardIdx].text = newText;\n    props.value = nv;\n    trigger('change');\n}\nelement.addEventListener('blur', (e) => {\n    if (e.target.classList && e.target.classList.contains('editing')) {\n        commitEdit(e.target);\n    }\n}, true);\nelement.addEventListener('keydown', (e) => {\n    if (e.key === 'Enter' && e.target.classList.contains('editing')) {\n        e.preventDefault();\n        e.target.blur();\n        return;\n    }\n    if (e.key === 'Enter' && e.target.classList.contains('add-card-input')) {\n        const text = e.target.value.trim();\n        if (!text) return;\n        const colIdx = parseInt(e.target.dataset.colIdx);\n        const nv = JSON.parse(JSON.stringify(props.value));\n        nv.columns[colIdx].cards.push({\n            id: String(Date.now()),\n            text: text,\n            priority: 'medium',\n            tags: []\n        });\n        props.value = nv;\n        e.target.value = '';\n        trigger('change');\n    }\n});\nelement.addEventListener('input', (e) => {\n    if (!e.target.classList.contains('search-input')) return;\n    const q = e.target.value.toLowerCase().trim();\n    element.querySelectorAll('.kanban-card').forEach(card => {\n        const text = card.querySelector('.card-text').innerText.toLowerCase();\n        const tags = Array.from(card.querySelectorAll('.kb-tag')).map(t => t.innerText.toLowerCase()).join(' ');\n        const match = !q || text.includes(q) || tags.includes(q);\n        card.classList.toggle('search-hidden', !match);\n        card.classList.toggle('search-highlight', !!q && match);\n    });\n});",
"default_props": {
    "board_title": "My Board",
    "value": {
    "columns": [
        {
        "id": "todo",
        "title": "\ud83d\udccb To Do",
        "color": "#6366f1",
        "cards": [
            {
            "id": "1",
            "text": "Research gr.HTML component",
            "priority": "high",
            "tags": [
                "gradio"
            ]
            },
            {
            "id": "2",
            "text": "Design the UI layout",
            "priority": "medium",
            "tags": [
                "design"
            ]
            },
            {
            "id": "3",
            "text": "Write documentation",
            "priority": "low",
            "tags": [
                "docs"
            ]
            }
        ]
        },
        {
        "id": "progress",
        "title": "\ud83d\udd28 In Progress",
        "color": "#f59e0b",
        "cards": [
            {
            "id": "4",
            "text": "Build Kanban prototype",
            "priority": "high",
            "tags": [
                "dev"
            ]
            }
        ]
        },
        {
        "id": "review",
        "title": "\ud83d\udc40 Review",
        "color": "#8b5cf6",
        "cards": []
        },
        {
        "id": "done",
        "title": "\u2705 Done",
        "color": "#10b981",
        "cards": [
            {
            "id": "5",
            "text": "Set up Gradio project",
            "priority": "medium",
            "tags": [
                "setup"
            ]
            }
        ]
        }
    ]
    }
},
"repo_url": "https://huggingface.co/spaces/ysharma/drag-and-drop-kanban-board/",  
"python_code": "class KanbanBoard(gr.HTML):\n    \"\"\"A drag-and-drop Kanban board component.\"\"\"\n\n    def __init__(self, value=None, board_title=\"My Board\", **kwargs):\n        if value is None:\n            value = {\n                \"columns\": [\n                    {\n                        \"id\": \"todo\", \"title\": \"To Do\", \"color\": \"#6366f1\",\n                        \"cards\": [\n                            {\"id\": \"1\", \"text\": \"Research gr.HTML\", \"priority\": \"high\", \"tags\": [\"gradio\"]},\n                            {\"id\": \"2\", \"text\": \"Design UI layout\", \"priority\": \"medium\", \"tags\": [\"design\"]},\n                        ],\n                    },\n                    {\n                        \"id\": \"progress\", \"title\": \"In Progress\", \"color\": \"#f59e0b\",\n                        \"cards\": [\n                            {\"id\": \"3\", \"text\": \"Build prototype\", \"priority\": \"high\", \"tags\": [\"dev\"]},\n                        ],\n                    },\n                    {\"id\": \"review\", \"title\": \"Review\", \"color\": \"#8b5cf6\", \"cards\": []},\n                    {\n                        \"id\": \"done\", \"title\": \"Done\", \"color\": \"#10b981\",\n                        \"cards\": [\n                            {\"id\": \"4\", \"text\": \"Set up project\", \"priority\": \"medium\", \"tags\": [\"setup\"]},\n                        ],\n                    },\n                ],\n            }\n        super().__init__(\n            value=value, board_title=board_title,\n            html_template=HTML_TEMPLATE,\n            css_template=CSS_TEMPLATE,\n            js_on_load=JS_ON_LOAD, **kwargs\n        )\n\n    def api_info(self):\n        return {\"type\": \"object\", \"description\": \"Kanban board state\"}"
}
]