:root{--bg:#f3f5f9;--panel:#fff;--panel-muted:#f8fafc;--border:#e4e8f0;--accent:#2563eb;--accent-soft:#eaf1ff;--text:#101828;--muted:#667085;--good:#16a34a;--warn:#d97706;--bad:#dc2626;--shadow:0 1px 2px rgba(16,24,40,.04),0 4px 12px rgba(16,24,40,.06)}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased}header{padding:22px 32px;background:var(--panel);border-bottom:1px solid var(--border)}header h1{margin:0;font-size:20px;font-weight:700;letter-spacing:-.01em}header p{margin:4px 0 0;color:var(--muted);font-size:13px}main{display:grid;grid-template-columns:340px 1fr;grid-gap:24px;gap:24px;padding:28px 32px;max-width:1100px;margin:0 auto}@media (max-width:800px){main{grid-template-columns:1fr}}.panel{background:var(--panel);border:1px solid var(--border);border-radius:16px;padding:22px;box-shadow:var(--shadow);transition:outline .15s ease,background .15s ease}.panel.drop-active{outline:2px dashed var(--accent);outline-offset:-4px;background:var(--accent-soft)}input[type=range]{accent-color:var(--accent)}.panel h2{margin:0 0 16px;font-weight:700;text-transform:uppercase;letter-spacing:.06em}.panel h2,label{font-size:13px;color:var(--muted)}label{display:block;margin:14px 0 6px;font-weight:500}input[type=file],select{width:100%;padding:9px 10px;background:var(--panel-muted);border:1px solid var(--border);color:var(--text);border-radius:10px;font-size:14px}input:focus,select:focus{outline:2px solid var(--accent-soft);border-color:var(--accent)}.device-options{display:flex;gap:8px;margin-top:6px}.device-options button{flex:1 1;padding:10px 6px;border-radius:10px;border:1px solid var(--border);background:var(--panel-muted);color:var(--text);cursor:pointer;font-size:13px;transition:background .15s ease,border-color .15s ease,color .15s ease}.device-options button.active{background:var(--accent);border-color:var(--accent);color:#fff}.device-options button:disabled{opacity:.4;cursor:not-allowed}.status-line{margin-top:10px;font-size:12px;color:var(--muted)}.status-line b{color:var(--text)}.dot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:6px}.predict-btn{width:100%;margin-top:18px;padding:12px;border-radius:10px;border:none;background:var(--accent);color:#fff;font-size:14px;font-weight:600;cursor:pointer;transition:background .15s ease,transform .05s ease}.predict-btn:hover:not(:disabled){background:#1d4ed8}.predict-btn:disabled{opacity:.5;cursor:not-allowed}.examples-hint{font-size:12px;color:var(--muted);line-height:1.5}.examples-hint code{color:var(--text);background:var(--panel-muted);border:1px solid var(--border);padding:1px 4px;border-radius:4px;font-size:11px}.examples-row{display:flex;flex-wrap:wrap;gap:8px}.example-thumb{position:relative;width:60px;height:60px;padding:0;border:2px solid var(--border);border-radius:8px;overflow:hidden;cursor:pointer;background:var(--panel-muted);transition:border-color .15s ease}.example-thumb img{width:100%;height:100%;object-fit:cover;display:block}.example-thumb:hover{border-color:var(--accent)}.example-thumb.active{border-color:var(--good)}.example-thumb:disabled{opacity:.5;cursor:not-allowed}.example-spinner{position:absolute;inset:0;background:rgba(16,24,40,.45);border:2px solid hsla(0,0%,100%,.6);border-top-color:#fff;border-radius:50%;width:16px;height:16px;margin:auto;animation:spin .7s linear infinite}.preview-wrap{position:relative;width:100%;margin-top:10px;border-radius:10px;overflow:hidden;touch-action:none;background:#000}.preview-wrap.fullscreen{position:fixed;inset:0;z-index:1000;width:100vw;height:100vh;margin-top:0;border-radius:0;display:flex;align-items:center;justify-content:center}.preview-wrap.fullscreen .preview,.preview-wrap.fullscreen .preview-viewport{width:auto;max-width:100vw;max-height:100vh}.preview-wrap.fullscreen .preview{height:auto;object-fit:contain}.fullscreen-close-btn{position:absolute;top:16px;right:16px;z-index:1001;width:36px;height:36px;border-radius:50%;border:none;background:hsla(0,0%,100%,.15);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer}.fullscreen-close-btn:hover{background:hsla(0,0%,100%,.28)}.preview-viewport{position:relative;width:100%;line-height:0;transform-origin:center center;will-change:transform}.preview{width:100%;height:auto;display:block;background:#000}.preview-heatmap{inset:0;width:100%;height:100%}.bbox,.preview-heatmap{position:absolute;pointer-events:none}.bbox{border:2px solid;border-radius:2px;box-shadow:0 0 0 1px rgba(0,0,0,.35)}.viewer-toolbar{display:flex;align-items:center;gap:8px;margin-top:8px}.viewer-toolbar button{display:inline-flex;align-items:center;justify-content:center;padding:4px 10px;border-radius:8px;border:1px solid var(--border);background:var(--panel-muted);color:var(--text);cursor:pointer;font-size:13px}.viewer-toolbar button:disabled{opacity:.4;cursor:not-allowed}.zoom-label{font-size:12px;color:var(--muted);min-width:40px;text-align:center}.reset-view-btn{margin-left:auto;font-size:11px!important;color:var(--muted)}.sliders{margin-top:4px}.sliders label{font-size:11px;margin:8px 0 2px}.sliders input[type=range]{width:100%}.dropzone-hint{margin-top:10px;text-align:center;font-size:12px;color:var(--accent);border:1px dashed var(--accent);border-radius:10px;padding:8px;background:var(--accent-soft)}.heatmap-controls{margin-top:10px;padding:10px 12px;border:1px solid var(--border);border-radius:10px;background:var(--panel-muted)}.checkbox-line{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--text);margin:0}.checkbox-line input{width:auto}.heatmap-controls input[type=range]{width:100%;margin-top:6px}.icon-btn{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;width:28px;height:28px;padding:0;border-radius:8px;border:1px solid var(--border);background:var(--panel-muted);color:var(--muted);cursor:pointer;transition:color .15s ease,border-color .15s ease,background .15s ease}.icon-btn:hover:not(:disabled){color:var(--text);border-color:var(--accent)}.icon-btn:disabled{opacity:.5;cursor:not-allowed}.icon-btn.active{color:#fff;background:var(--accent);border-color:var(--accent)}.icon-spin{animation:spin .9s linear infinite}.radar-wrap{max-width:320px;margin:0 auto 18px}.bbox-label{position:absolute;top:-1px;left:-2px;transform:translateY(-100%);font-size:10px;line-height:1.4;color:#101828;font-weight:600;padding:1px 5px;border-radius:3px 3px 3px 0;white-space:nowrap}.bbox-swatch{display:inline-block;width:8px;height:8px;border-radius:2px;margin-right:6px;vertical-align:middle}.clear-boxes-btn{margin-top:8px;width:100%;padding:6px;border-radius:8px;border:1px solid var(--border);background:transparent;color:var(--muted);font-size:12px;cursor:pointer}.row-actions{display:flex;align-items:center;justify-content:flex-end;gap:6px;margin-top:6px}.localize-error{font-size:11px;color:var(--bad);margin-right:auto}.results-list{max-height:520px;overflow-y:auto;padding-right:6px;margin-right:-6px}.results-list::-webkit-scrollbar{width:8px}.results-list::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}.bar-row{margin-bottom:14px}.bar-row .label-line{display:flex;justify-content:space-between;font-size:13px;margin-bottom:4px}.bar-track{height:10px;background:var(--panel-muted);border:1px solid var(--border);border-radius:5px;overflow:hidden}.bar-fill{height:100%;border-radius:5px;background:var(--accent);transition:width .4s ease}.empty-state{color:var(--muted);font-size:14px;text-align:center;padding:40px 0}.error-box{background:#fef2f2;border:1px solid #fecaca;color:#b91c1c;padding:10px 12px;border-radius:10px;font-size:13px;margin-top:12px}.spinner{width:16px;height:16px;border:2px solid hsla(0,0%,100%,.4);border-top-color:#fff;border-radius:50%;display:inline-block;animation:spin .7s linear infinite;margin-right:8px;vertical-align:middle}@keyframes spin{to{transform:rotate(1turn)}}