:root{font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#1a1a1a;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{margin:0;padding:0;box-sizing:border-box}html,body,#root{width:100%;height:100%;overflow:hidden}.app{width:100%;height:100%;display:flex;flex-direction:column}.viewer-container{flex:1;position:relative;overflow:hidden}.controls-panel{position:absolute;top:16px;left:16px;background:#000c;border-radius:8px;padding:16px;min-width:240px;z-index:100}.controls-panel h2{font-size:14px;font-weight:600;margin-bottom:12px;color:#fff}.control-group{margin-bottom:12px}.control-group label{display:block;font-size:12px;color:#aaa;margin-bottom:4px}.control-group select,.control-group input[type=range]{width:100%}.control-group select{padding:6px 8px;border-radius:4px;border:1px solid #444;background:#2a2a2a;color:#fff;font-size:13px}.button-group{display:flex;gap:8px}.button-group button{flex:1;padding:8px 12px;border:none;border-radius:4px;font-size:13px;font-weight:500;cursor:pointer;transition:background .2s}.button-group button.primary{background:#4a9eff;color:#fff}.button-group button.primary:hover{background:#3a8eef}.button-group button.secondary{background:#444;color:#fff}.button-group button.secondary:hover{background:#555}.status-bar{position:absolute;bottom:16px;left:16px;background:#000c;border-radius:4px;padding:8px 12px;font-size:12px;color:#aaa;z-index:100}.loading-overlay{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#1a1a1af2;z-index:200}.loading-overlay h2{font-size:18px;margin-bottom:16px}.loading-overlay p{font-size:14px;color:#888}.speed-display{font-size:11px;color:#666;text-align:center;margin-top:2px}