:root{--bg:#0a0a0f;--panel-bg:#14141ce0;--panel-border:#ffffff14;--text:#e4e4e9;--text-dim:#8b8b96;--accent:#6ee7ff;--danger:#ff6e6e;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font:15px/1.4 system-ui,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}html,body{background:var(--bg);width:100%;height:100%;margin:0;overflow:hidden}#app{width:100vw;height:100vh;position:relative}#scene-canvas{outline:none;width:100%;height:100%;display:block;position:absolute;inset:0}.panel{background:var(--panel-bg);border:1px solid var(--panel-border);border-radius:14px;box-shadow:0 8px 30px #00000059}#camera-preview{z-index:0;background:var(--bg);width:100%;height:100%;position:absolute;inset:0;overflow:hidden}#camera-preview video{object-fit:cover;width:100%;height:100%;display:block;transform:scaleX(-1)}#camera-preview .camera-landmarks{pointer-events:none;position:absolute;inset:0}#camera-preview .camera-status{text-align:center;color:var(--text-dim);justify-content:center;align-items:center;padding:12px;font-size:13px;display:flex;position:absolute;inset:0}#camera-preview .camera-status.error{color:var(--danger)}#camera-switch{border:1px solid var(--panel-border);width:36px;height:36px;color:var(--text);cursor:pointer;background:#00000080;border-radius:50%;justify-content:center;align-items:center;font-size:14px;line-height:1;transition:background .2s;display:flex;position:absolute;top:16px;right:16px}#camera-switch:hover{background:#000000bf}#camera-switch:disabled{opacity:.3;cursor:default}#camera-toggle{border:1px solid var(--panel-border);width:36px;height:36px;color:var(--text);cursor:pointer;background:#00000080;border-radius:50%;justify-content:center;align-items:center;font-size:14px;line-height:1;transition:background .2s;display:flex;position:absolute;top:16px;right:60px}#camera-toggle:hover{background:#000000bf}#camera-device-select{border:1px solid var(--panel-border);max-width:220px;color:var(--text);font:inherit;cursor:pointer;background:#00000080;border-radius:8px;padding:6px 10px;font-size:13px;position:absolute;top:60px;right:16px}#camera-device-select:hover{background:#000000bf}#camera-preview .camera-device-caption{text-align:right;max-width:220px;color:var(--text-dim);font-size:11px;font-style:italic;position:absolute;top:92px;right:16px}#camera-preview.camera-hidden video{visibility:hidden;opacity:0;pointer-events:none}#debug-overlay{z-index:5;pointer-events:none;position:absolute;inset:0}#radial-menu{z-index:20;pointer-events:none;position:absolute}.radial-menu-item{border:2px solid var(--accent,var(--panel-border));width:64px;height:64px;color:var(--text);font:11px var(--sans,system-ui);text-transform:capitalize;text-align:center;background:#14141cf0;border-radius:50%;justify-content:center;align-items:center;transition:scale .15s,background .15s,box-shadow .15s;display:flex;position:absolute;translate:-50% -50%}.radial-menu-item.active{background:var(--accent);color:#08060d;box-shadow:0 0 24px var(--accent);scale:1.18}.radial-menu-close{--accent:#ff4d5e;color:var(--accent);font-size:18px;font-weight:600}#selection-box{z-index:15;border:2px dashed var(--accent);pointer-events:none;background:#6ee7ff14;position:absolute}#stats-panel{z-index:10;color:var(--text-dim);pointer-events:none;flex-direction:column;gap:4px;padding:12px 16px;font:12px/1.5 ui-monospace,Consolas,monospace;display:flex;position:absolute;top:16px;left:16px}#toolbar{z-index:10;gap:6px;padding:8px;display:flex;position:absolute;bottom:20px;left:50%;translate:-50%}.toolbar-button{border:1px solid var(--panel-border);color:var(--text);font:13px var(--sans,system-ui);cursor:pointer;background:#ffffff0a;border-radius:8px;padding:8px 14px;transition:background .15s,opacity .15s,box-shadow .15s}.toolbar-button:hover:not(:disabled){background:#ffffff1a}.toolbar-button:disabled{opacity:.35;cursor:default}.toolbar-button.active{background:var(--accent);color:#08060d;box-shadow:0 0 16px var(--accent)}#gesture-guide{z-index:30;-webkit-backdrop-filter:blur(4px);background:#05050899;justify-content:center;align-items:center;display:none;position:absolute;inset:0}#gesture-guide.open{display:flex}.gesture-guide-panel{width:min(720px,90vw);max-height:85vh;padding:24px;overflow-y:auto}.gesture-guide-header{justify-content:space-between;align-items:center;margin-bottom:16px;display:flex}.gesture-guide-header h2{color:var(--text);margin:0;font-size:18px;font-weight:600}.gesture-guide-close{color:var(--text-dim);cursor:pointer;background:0 0;border:none;border-radius:6px;padding:2px 10px;font-size:22px;line-height:1;transition:background .15s,color .15s}.gesture-guide-close:hover{color:var(--text);background:#ffffff14}.gesture-guide-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px;display:grid}.gesture-card{border:1px solid var(--panel-border);background:#ffffff08;border-radius:10px;padding:14px}.gesture-card-icon{margin-bottom:8px;font-size:28px;line-height:1}.gesture-card-name{color:var(--text);margin-bottom:4px;font-weight:600}.gesture-card-description{color:var(--text-dim);font-size:13px;line-height:1.4}