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ml-sharp
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<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Sharp</title>
    <link rel="preconnect" href="https://fonts.googleapis.com">
    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
    <link href="https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap" rel="stylesheet">
    <link rel="stylesheet" href="{{ url_for('static', path='css/styles.css') }}">
    <script type="importmap">
    {
        "imports": {
            "three": "https://esm.sh/three@0.164.0",
            "@mkkellogg/gaussian-splats-3d": "https://esm.sh/@mkkellogg/gaussian-splats-3d@0.4.6"
        }
    }
    </script>
</head>

<body>
    <canvas id="particleCanvas"></canvas>

    <button class="theme-toggle" id="themeToggle" aria-label="Toggle theme">
        <svg class="sun-icon" viewBox="0 0 24 24" fill="none" stroke-width="2" stroke-linecap="round"
            stroke-linejoin="round">
            <circle cx="12" cy="12" r="5" />
            <line x1="12" y1="1" x2="12" y2="3" />
            <line x1="12" y1="21" x2="12" y2="23" />
            <line x1="4.22" y1="4.22" x2="5.64" y2="5.64" />
            <line x1="18.36" y1="18.36" x2="19.78" y2="19.78" />
            <line x1="1" y1="12" x2="3" y2="12" />
            <line x1="21" y1="12" x2="23" y2="12" />
            <line x1="4.22" y1="19.78" x2="5.64" y2="18.36" />
            <line x1="18.36" y1="5.64" x2="19.78" y2="4.22" />
        </svg>
        <svg class="moon-icon" viewBox="0 0 24 24" fill="none" stroke-width="2" stroke-linecap="round"
            stroke-linejoin="round">
            <path d="M21 12.79A9 9 0 1 1 11.21 3 7 7 0 0 0 21 12.79z" />
        </svg>
    </button>

    <div class="app-container">
        <header class="header">
            <h1 class="logo">Sharp</h1>
            <p class="tagline">Transform images into Gaussian Splats</p>
        </header>

        <div class="card">
            <form id="uploadForm">
                <div class="upload-zone" id="dropZone">
                    <div class="upload-icon">
                        <svg viewBox="0 0 24 24" fill="none" stroke-width="1.5" stroke-linecap="round"
                            stroke-linejoin="round">
                            <path d="M12 16V4m0 0l-4 4m4-4l4 4" />
                            <path d="M3 20h18" />
                        </svg>
                    </div>
                    <div class="upload-text">
                        <h3>Drop your image here</h3>
                        <p>or click to browse</p>
                    </div>
                    <input type="file" id="fileInput" name="files" accept="image/*" style="display: none">
                </div>

                <div class="file-list" id="fileList"></div>

                <button type="submit" class="submit-btn" id="submitBtn">
                    <span>
                        <svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor"
                            stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
                            <path d="M12 3v18M3 12l9 9 9-9" />
                        </svg>
                        Generate
                    </span>
                </button>
            </form>

            <div class="loader-container" id="loaderContainer">
                <div class="loader"></div>
                <p class="loader-text">Generating Gaussian Splats...</p>
                <p class="loader-subtext">This may take a moment</p>
            </div>

            <div class="results" id="results"></div>
        </div>

        <!-- 3D Viewer Container -->
        <div class="viewer-container" id="viewerContainer">
            <button class="back-btn" id="backBtn">
                <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round"
                    stroke-linejoin="round">
                    <path d="M19 12H5M12 19l-7-7 7-7" />
                </svg>
                Back to Upload
            </button>

            <div class="viewer-header">
                <div class="viewer-title">
                    <h3>3D Gaussian Splat Viewer</h3>
                    <span class="file-badge" id="viewerFilename">output.ply</span>
                </div>
                <div class="viewer-actions">
                    <button class="viewer-btn" id="resetViewBtn">
                        <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"
                            stroke-linecap="round" stroke-linejoin="round">
                            <path d="M3 12a9 9 0 1 0 9-9 9.75 9.75 0 0 0-6.74 2.74L3 8" />
                            <path d="M3 3v5h5" />
                        </svg>
                        Reset View
                    </button>
                    <button class="viewer-btn primary" id="downloadBtn">
                        <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"
                            stroke-linecap="round" stroke-linejoin="round">
                            <path d="M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4" />
                            <polyline points="7 10 12 15 17 10" />
                            <line x1="12" y1="15" x2="12" y2="3" />
                        </svg>
                        Download PLY
                    </button>
                </div>
            </div>

            <div class="viewer-canvas-container" id="viewerCanvasContainer">
                <div class="viewer-controls-hint" id="controlsHint">
                    🖱️ Left click + drag to rotate • Scroll to zoom • Right click + drag to pan
                </div>
            </div>

            <div class="viewer-footer">
                <span>Powered by <a href="https://threejs.org/" target="_blank" rel="noopener">Three.js</a> & <a
                        href="https://github.com/mkkellogg/GaussianSplats3D" target="_blank" rel="noopener">Gaussian
                        Splats 3D</a></span>
            </div>
        </div>

        <footer class="footer">
            <p><a href="https://apple.github.io/ml-sharp/" target="_blank" rel="noopener">Mescheder et al., 2025</a> •
                Sharp: Monocular View Synthesis in Less Than a Second</p>
        </footer>
    </div>

    <!-- Main application script -->
    <script src="{{ url_for('static', path='js/main.js') }}"></script>

    <!-- 3D Gaussian Splat Viewer Module -->
    <script type="module" src="{{ url_for('static', path='js/viewer.js') }}"></script>
</body>

</html>