:root{color-scheme:light;--bg: #f5f6f4;--ink: #17201d;--muted: #68736f;--panel: #ffffff;--line: #d7ddd9;--accent: #1f7a6d;--accent-2: #225c90;--danger: #b63737;--shadow: 0 10px 24px rgba(16, 24, 20, .08);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg);color:var(--ink)}*{box-sizing:border-box}body{margin:0}button,input{font:inherit}button,.button-like{border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:6px;padding:8px 11px;cursor:pointer}button.primary-action{border-color:var(--accent);background:var(--accent);color:#fff;font-weight:700}button:disabled{cursor:not-allowed;opacity:.5}input[type=file]{width:100%;max-width:100%}select{border:1px solid var(--line);border-radius:6px;padding:8px 10px;background:#fff;color:var(--ink);font:inherit}.app-shell{min-height:100vh}.app-header{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:18px 24px;border-bottom:1px solid var(--line);background:#eef2ef}.app-header h1{margin:0 0 4px;font-size:24px;letter-spacing:0}.app-header p,.panel p{margin:0}.status-pill{flex:0 0 auto;border:1px solid color-mix(in srgb,var(--accent),var(--line) 55%);background:color-mix(in srgb,var(--accent),#ffffff 88%);color:#0c3d35;border-radius:6px;padding:8px 12px;font-weight:600}main{display:grid;gap:16px;padding:18px 24px 32px}.top-grid{display:grid;grid-template-columns:1.2fr 1fr .9fr;gap:16px}.upload-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.panel,.upload-pane{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:16px;box-shadow:var(--shadow)}.pipeline-panel{border-color:color-mix(in srgb,var(--accent),var(--line) 34%);background:color-mix(in srgb,var(--accent),#ffffff 96%)}.panel h2,.upload-pane h2{margin:0 0 12px;font-size:17px;letter-spacing:0}.panel-title-row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}.source-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:8px;margin-bottom:12px}.source-item,.model-card{border:1px solid var(--line);border-radius:6px;padding:10px;background:#f9faf9}.model-card p{margin-top:6px}.settings-grid,.dataset-facts{display:grid;grid-template-columns:minmax(120px,.8fr) 1fr;gap:8px 12px;margin:0}dt{color:var(--muted)}dd{margin:0;min-width:0;overflow-wrap:anywhere}.upload-actions{display:grid;gap:10px;margin-bottom:14px}.upload-actions label,.sync-controls label{display:grid;gap:6px;color:var(--muted);font-size:13px}.video-box{display:grid;gap:6px;margin-top:12px}video{width:100%;max-height:280px;background:#111;border-radius:6px}.timeline-grid{display:grid;grid-template-columns:72px 1fr;gap:8px 12px;align-items:center}.wave{height:54px;display:flex;align-items:center;gap:2px;border:1px solid var(--line);border-radius:6px;padding:5px;background:#fafafa}.wave span{flex:1;min-width:2px;border-radius:2px}.wave-red span{background:#d13f40}.wave-blue span{background:#2374c9}.sync-controls,.viewer-controls,.pipeline-controls{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:12px}.sync-controls input,.pipeline-controls select{width:120px}.pipeline-controls label{display:grid;gap:6px;min-width:min(100%,240px);color:var(--muted);font-size:13px}.pipeline-slot-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:14px}.pipeline-slot{display:grid;gap:10px;border:1px solid var(--line);border-radius:8px;padding:12px;background:#fff}.pipeline-slot h3{margin:0;font-size:16px;letter-spacing:0}.pipeline-slot label{display:grid;gap:6px;color:var(--muted);font-size:13px}.pipeline-status{display:grid;gap:8px;margin-top:12px;border:1px solid var(--line);border-radius:6px;padding:10px;background:#f9faf9}.progress-row{display:grid;gap:6px}.progress-meta{display:flex;justify-content:space-between;gap:12px;color:var(--muted);font-size:13px}.progress-meta strong{color:var(--ink)}.progress-track{height:10px;overflow:hidden;border:1px solid var(--line);border-radius:999px;background:#eef2ef}.progress-track span{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--accent),var(--accent-2));transition:width .22s ease}.backend-ok,.backend-warn{border-radius:6px;padding:6px 9px;font-size:13px}.backend-ok{background:color-mix(in srgb,var(--accent),#ffffff 84%);color:#0c3d35}.backend-warn{background:#fff5d8;color:#6f4a00}.visualizer{min-width:0}.segmented{display:flex;flex-wrap:wrap;gap:6px}.segmented .active{background:var(--accent);color:#fff;border-color:var(--accent)}.viewer-split{display:grid;grid-template-columns:1fr 1fr;gap:12px}.viewer-stage{display:grid;gap:8px;min-width:0}.viewer-stage-title{display:flex;align-items:center;justify-content:space-between;gap:12px;color:var(--muted);font-size:13px}.viewer-stage-title strong{color:var(--ink);font-size:15px}.canvas-wrap{position:relative}.skeleton-canvas{display:block;width:100%;height:420px;border:1px solid var(--line);border-radius:6px}.canvas-empty{position:absolute;top:1px;right:1px;bottom:1px;left:1px;display:grid;place-items:center;padding:18px;color:var(--muted);text-align:center;pointer-events:none}.viewer-controls input[type=range]{width:180px;max-width:100%}.score-row{display:grid;grid-template-columns:repeat(4,minmax(120px,1fr));gap:10px;margin-bottom:12px}.score-row div{border:1px solid var(--line);border-radius:6px;padding:10px;background:#f9faf9}.score-row span,.score-row strong{display:block}.score-row span{color:var(--muted);font-size:13px}.score-row strong{margin-top:6px;font-size:24px}.history-actions{display:flex;flex-wrap:wrap;gap:8px}.button-like{position:relative;overflow:hidden}.button-like input{position:absolute;top:0;right:0;bottom:0;left:0;opacity:0;cursor:pointer}.history-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:10px}.history-card{display:grid;gap:5px;border:1px solid var(--line);border-radius:6px;padding:10px;background:#f9faf9}.muted,.empty{color:var(--muted)}.warning,.error-banner{border:1px solid color-mix(in srgb,var(--danger),#ffffff 64%);background:color-mix(in srgb,var(--danger),#ffffff 90%);color:#701f1f;border-radius:6px;padding:9px 10px;margin-top:10px}.error-banner{margin:14px 24px 0}@media(max-width:980px){.top-grid,.upload-grid,.pipeline-slot-grid,.viewer-split{grid-template-columns:1fr}.score-row{grid-template-columns:repeat(2,minmax(120px,1fr))}}@media(max-width:620px){.app-header,.panel-title-row{align-items:flex-start;flex-direction:column}main,.app-header{padding-left:14px;padding-right:14px}.settings-grid,.dataset-facts,.timeline-grid,.score-row{grid-template-columns:1fr}.skeleton-canvas{height:320px}}