:root{--primary: #3b82f6;--primary-dark: #2563eb;--surface: #ffffff;--surface-dark: #f3f4f6;--text: #1f2937;--text-muted: #6b7280;--border: #e5e7eb;--shadow: 0 4px 6px -1px rgba(0, 0, 0, .1)}html,body,#root{width:100%;height:100%;overflow:hidden;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.viewer-container{display:flex;flex-direction:column;height:100vh;background:var(--surface-dark)}.viewer-header{display:flex;align-items:center;gap:20px;padding:12px 20px;background:var(--surface);border-bottom:1px solid var(--border);box-shadow:var(--shadow);z-index:10}.viewer-header h1{font-size:18px;font-weight:600;color:var(--text);margin:0}.header-controls{display:flex;gap:12px;flex:1}.product-selector,.technique-selector{padding:8px 12px;border:1px solid var(--border);border-radius:6px;font-size:14px;background:var(--surface);color:var(--text);min-width:200px;cursor:pointer;transition:border-color .2s}.product-selector:hover,.technique-selector:hover{border-color:var(--primary)}.product-selector:focus,.technique-selector:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #3b82f61a}.status{font-size:13px;color:var(--text-muted);margin-left:auto}.logo-upload-controls{display:flex;gap:8px;align-items:center}.upload-btn{padding:8px 16px;background:var(--primary);color:#fff;border:none;border-radius:6px;font-size:14px;cursor:pointer;transition:background-color .2s}.upload-btn:hover{background:var(--primary-dark)}.remove-logo-btn{padding:8px 12px;background:#ef4444;color:#fff;border:none;border-radius:6px;font-size:13px;cursor:pointer;transition:background-color .2s}.remove-logo-btn:hover{background:#dc2626}.glb-upload-controls{display:flex;align-items:center}.glb-upload-btn{background:#10b981}.glb-upload-btn:hover{background:#059669}.glb-upload-btn.uploading{background:#6b7280;cursor:not-allowed}.viewer-main{flex:1;position:relative;overflow:hidden}.viewer-canvas{width:100%;height:100%}.viewer-canvas canvas{display:block}.loading-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:#ffffffe6;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;z-index:100}.spinner{width:40px;height:40px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading-overlay p{font-size:14px;color:var(--text-muted)}.info-panel{position:absolute;bottom:20px;left:20px;background:var(--surface);border-radius:8px;padding:16px;min-width:180px;box-shadow:var(--shadow);border:1px solid var(--border)}.info-panel h3{font-size:14px;font-weight:600;color:var(--text);margin-bottom:12px;padding-bottom:8px;border-bottom:1px solid var(--border)}.info-row{display:flex;justify-content:space-between;font-size:13px;padding:4px 0}.info-row span:first-child{color:var(--text-muted)}.info-row span:last-child{color:var(--text);font-weight:500}.slider-row{margin-top:8px;padding-top:8px;border-top:1px solid var(--border)}.offset-slider{width:100%;height:6px;margin-top:8px;-webkit-appearance:none;-moz-appearance:none;appearance:none;background:var(--surface-dark);border-radius:3px;outline:none;cursor:pointer}.offset-slider::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:16px;height:16px;background:var(--primary);border-radius:50%;cursor:pointer;transition:background-color .2s}.offset-slider::-webkit-slider-thumb:hover{background:var(--primary-dark)}.offset-slider::-moz-range-thumb{width:16px;height:16px;background:var(--primary);border-radius:50%;border:none;cursor:pointer;transition:background-color .2s}.offset-slider::-moz-range-thumb:hover{background:var(--primary-dark)}.embed-container{width:100vw;height:100vh;position:relative}.embed-container .viewer-canvas{width:100%;height:100%}@media (max-width: 768px){.viewer-header{flex-wrap:wrap;padding:10px 15px;gap:10px}.viewer-header h1{width:100%;font-size:16px}.header-controls{width:100%;flex-wrap:wrap}.product-selector,.technique-selector{flex:1;min-width:150px}.status{width:100%;text-align:center}.info-panel{bottom:10px;left:10px;right:10px;min-width:auto}}*{margin:0;padding:0;box-sizing:border-box}html,body,#root{width:100%;height:100%;overflow:hidden}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;background:#f5f5f5;color:#333}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--surface)}::-webkit-scrollbar-thumb{background:var(--primary);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--primary-light)}.btn{padding:10px 16px;border:none;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s ease;display:inline-flex;align-items:center;gap:8px}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-light)}.btn-secondary{background:var(--surface);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover{background:#ffffff1a}.btn-success{background:var(--secondary);color:#fff}.btn-success:hover{background:#059669}.form-control{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:8px;background:var(--surface);color:var(--text);font-size:14px;transition:border-color .2s}.form-control:focus{outline:none;border-color:var(--primary)}.form-select{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:8px;background:var(--surface);color:var(--text);font-size:14px;cursor:pointer}.form-label{display:block;font-size:13px;font-weight:500;color:var(--text-muted);margin-bottom:6px}.form-range{width:100%;height:6px;-webkit-appearance:none;-moz-appearance:none;appearance:none;background:var(--surface);border-radius:3px;outline:none}.form-range::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:16px;height:16px;border-radius:50%;background:var(--primary);cursor:pointer}