*{margin:0;padding:0;box-sizing:border-box}:root{--bg: #1a1a2e;--surface: #16213e;--surface2: #0f3460;--accent: #e94560;--text: #eee;--text-dim: #999;--success: #4caf50;--warning: #ff9800;--radius: 8px}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);overflow:hidden;height:100dvh;width:100vw;touch-action:none}#app{display:flex;flex-direction:column;height:100dvh}#nav-bar{display:flex;align-items:center;padding:8px 16px;background:var(--surface);border-bottom:1px solid var(--surface2);gap:16px;flex-shrink:0}.nav-brand{font-weight:700;font-size:18px;color:var(--accent);white-space:nowrap}.nav-tabs{display:flex;gap:4px;flex:1;justify-content:center}.nav-tab{background:none;border:none;color:var(--text-dim);padding:8px 16px;border-radius:var(--radius);cursor:pointer;font-size:14px;transition:all .2s}.nav-tab:hover{background:var(--surface2);color:var(--text)}.nav-tab.active{background:var(--accent);color:#fff}.nav-icon{background:none;border:none;color:var(--text-dim);font-size:22px;cursor:pointer;padding:4px}.nav-icon:hover{color:var(--text)}.tab-content{display:none;flex:1;overflow:hidden;position:relative}.tab-content.active{display:flex}#viewer-container{position:relative;width:100%;height:100%}#viewer-canvas{width:100%;height:100%;display:block}.drop-zone{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:#000000b3;z-index:10}.drop-zone.drag-over{background:#e945604d;border:3px dashed var(--accent)}.drop-zone.hidden{display:none}.drop-zone-content{text-align:center;color:var(--text)}.drop-icon{font-size:64px;margin-bottom:16px}.file-btn{display:inline-block;padding:10px 24px;background:var(--accent);color:#fff;border:none;border-radius:var(--radius);cursor:pointer;margin-top:12px;font-size:16px}.file-btn:hover{filter:brightness(1.1)}.model-info{position:absolute;bottom:16px;left:16px;right:16px;background:#16213ee6;backdrop-filter:blur(8px);padding:12px 16px;border-radius:var(--radius);display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}.model-info.hidden{display:none}.model-controls{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.model-controls label{display:flex;align-items:center;gap:6px;font-size:13px}.model-controls input[type=number]{width:70px;padding:4px 8px;background:var(--surface2);border:1px solid #444;border-radius:4px;color:var(--text);font-size:13px}.model-controls select{padding:4px 8px;background:var(--surface2);border:1px solid #444;border-radius:4px;color:var(--text);font-size:13px}#inspect-container{position:relative;width:100%;height:100%}#camera-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}#inspect-canvas{position:absolute;inset:0;width:100%;height:100%;pointer-events:auto}.inspect-controls{position:absolute;bottom:16px;left:16px;right:16px;background:#16213ee6;backdrop-filter:blur(8px);padding:12px 16px;border-radius:var(--radius);z-index:20}.inspect-controls.hidden{display:none}.control-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.control-row+.control-row{margin-top:8px}.control-row label{display:flex;align-items:center;gap:6px;font-size:13px}.control-row select{padding:4px 8px;background:var(--surface2);border:1px solid #444;border-radius:4px;color:var(--text);font-size:13px}input[type=range]{width:120px}.btn{padding:8px 16px;border:1px solid #444;border-radius:var(--radius);background:var(--surface2);color:var(--text);cursor:pointer;font-size:13px;transition:all .2s}.btn:hover{filter:brightness(1.2)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn-sm{padding:4px 10px;border:1px solid #444;border-radius:4px;background:var(--surface2);color:var(--text);cursor:pointer;font-size:12px}.center-msg{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;text-align:center;color:var(--text-dim);font-size:16px;z-index:5;background:var(--bg)}.center-msg.hidden{display:none}#results-container{padding:24px;width:100%;overflow-y:auto}#results-container h2{margin-bottom:16px}.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px;margin-bottom:24px}.gallery img{width:100%;border-radius:var(--radius);border:2px solid var(--surface2)}.empty-msg{color:var(--text-dim);grid-column:1 / -1;text-align:center;padding:48px}.modal{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:#000000b3;z-index:100}.modal.hidden{display:none}.modal-content{background:var(--surface);padding:24px;border-radius:var(--radius);min-width:300px;display:flex;flex-direction:column;gap:16px}.modal-content label{display:flex;flex-direction:column;gap:6px;font-size:14px}.modal-content input,.modal-content select{padding:8px;background:var(--surface2);border:1px solid #444;border-radius:4px;color:var(--text)}.tracking-status{position:absolute;top:16px;left:16px;right:16px;background:#16213ee6;backdrop-filter:blur(8px);padding:8px 16px;border-radius:var(--radius);display:flex;align-items:center;gap:12px;font-size:13px;z-index:20}.tracking-status.hidden{display:none}.status-dot{width:10px;height:10px;border-radius:50%;display:inline-block;flex-shrink:0}.pa-overlay{position:fixed;inset:0;background:var(--bg);z-index:100;display:flex;flex-direction:column}.pa-overlay.hidden{display:none}.pa-toolbar{display:flex;align-items:center;gap:12px;padding:8px 16px;background:var(--surface);border-bottom:1px solid var(--surface2);font-size:14px;flex-shrink:0}.pa-toolbar-right{margin-left:auto;display:flex;gap:6px}.pa-badge{background:var(--accent);color:#fff;padding:2px 10px;border-radius:10px;font-size:12px;font-weight:600}.pa-split{display:flex;flex:1;min-height:0}.pa-pane{flex:1;position:relative;display:flex;flex-direction:column;min-width:0}.pa-pane-model{border-right:2px solid var(--surface2)}.pa-pane-label{position:absolute;top:8px;left:50%;transform:translate(-50%);background:#0009;color:var(--text-dim);padding:4px 12px;border-radius:4px;font-size:11px;z-index:5;white-space:nowrap;pointer-events:none}.pa-pane canvas{width:100%;height:100%;display:block;cursor:crosshair}.pa-finetune{display:flex;align-items:center;gap:4px;padding:6px 12px;background:var(--surface);border-top:1px solid var(--surface2);flex-shrink:0;flex-wrap:wrap}.pa-finetune .ft-btn{padding:4px 8px;font-size:11px;min-width:32px}.pa-finetune .ft-label{font-size:11px;color:var(--text-dim);font-weight:600}.pa-finetune select{background:var(--surface2);color:var(--text);border:1px solid rgba(255,255,255,.1);border-radius:4px;padding:3px 4px;font-size:11px}.ft-sep{color:var(--surface2);font-size:16px;margin:0 2px}.pa-pane.pa-active{outline:2px solid var(--accent);outline-offset:-2px}.pa-img-marker{position:absolute;width:24px;height:24px;border-radius:50%;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;transform:translate(-50%,-50%);pointer-events:none;z-index:10;border:2px solid white;box-shadow:0 1px 4px #00000080}.pa-image-mode{cursor:crosshair!important}.fine-tune-panel{position:absolute;top:16px;left:16px;width:220px;background:#16213ef2;backdrop-filter:blur(8px);border-radius:var(--radius);border:1px solid var(--surface2);z-index:30;padding:0}.fine-tune-panel.hidden{display:none}.ft-header{display:flex;align-items:center;justify-content:space-between;padding:6px 12px;background:var(--surface2);font-size:13px;font-weight:600}.ft-close{background:none;border:none;color:var(--text-dim);cursor:pointer;font-size:16px;padding:0 4px}.ft-grid{display:grid;grid-template-columns:28px 36px 50px 36px;gap:4px;padding:8px 12px;align-items:center}.ft-label{font-size:11px;color:var(--text-dim);font-weight:600;text-align:right}.ft-btn{background:var(--surface2);border:1px solid rgba(255,255,255,.1);color:var(--text);border-radius:4px;padding:4px 0;cursor:pointer;font-size:13px;text-align:center;user-select:none;-webkit-user-select:none;touch-action:manipulation}.ft-btn:active{background:var(--accent)}.ft-val{font-size:11px;text-align:center;color:var(--text);font-variant-numeric:tabular-nums}.ft-step{display:flex;gap:8px;padding:6px 12px;border-top:1px solid rgba(255,255,255,.05);font-size:11px;color:var(--text-dim)}.ft-step select{background:var(--surface2);color:var(--text);border:1px solid rgba(255,255,255,.1);border-radius:4px;padding:2px 4px;font-size:11px}.auto-align-status{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background:#16213ef2;backdrop-filter:blur(12px);padding:24px 32px;border-radius:var(--radius);text-align:center;z-index:30;min-width:250px}.auto-align-status .status-text{font-size:15px;margin-bottom:8px}.auto-align-status .status-detail{font-size:12px;color:var(--text-dim)}.auto-align-status .spinner{display:inline-block;width:18px;height:18px;border:2px solid var(--text-dim);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite;margin-right:8px;vertical-align:middle}@keyframes spin{to{transform:rotate(360deg)}}.hidden{display:none!important}