:root{--text:#333;--text-light:#666;--text-h:#000;--bg:#f5f5f5;--bg-light:#fff;--border:#ddd;--accent:#06c;--accent-hover:#0052a3;--accent-bg:#0066cc1a;--accent-border:#0066cc4d;--shadow:#0000001a 0 2px 8px;--sans:system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--mono:"Courier New", monospace;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;font:16px var(--sans);color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--text:#e0e0e0;--text-light:#b0b0b0;--text-h:#fff;--bg:#1a1a1a;--bg-light:#2a2a2a;--border:#444;--accent:#4da6ff;--accent-hover:#66b3ff;--accent-bg:#4da6ff1a;--accent-border:#4da6ff4d;--shadow:#0000004d 0 2px 8px}}*{box-sizing:border-box}body{margin:0;padding:0}h1,h2,h3{color:var(--text-h);font-weight:600}h1{margin:0 0 20px;font-size:28px}h2{margin:16px 0 8px;font-size:20px}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button{font-family:var(--sans);border:1px solid var(--border);background:var(--bg-light);color:var(--text-h);cursor:pointer;border-radius:4px;padding:8px 16px;font-size:14px;transition:all .2s}button:hover:not(:disabled){background:var(--accent);color:#fff;border-color:var(--accent)}button:disabled{opacity:.5;cursor:not-allowed}input[type=range]{background:var(--border);cursor:pointer;-webkit-appearance:none;border-radius:3px;outline:none;width:100%;height:6px}input[type=range]::-webkit-slider-thumb{appearance:none;background:var(--accent);cursor:pointer;border-radius:50%;width:16px;height:16px}input[type=range]::-moz-range-thumb{background:var(--accent);cursor:pointer;border:none;border-radius:50%;width:16px;height:16px}#app{flex-direction:column;min-height:100vh;display:flex}.container{flex-direction:column;flex:1;width:100%;max-width:1200px;margin:0 auto;padding:0 20px;display:flex}header{border-bottom:1px solid var(--border);text-align:center;padding:20px 0}main{flex:1;padding:20px 0}footer{border-top:1px solid var(--border);text-align:center;color:var(--text-light);padding:20px 0;font-size:14px}footer p{margin:8px 0}.player-section{background:var(--bg-light);box-shadow:var(--shadow);border-radius:8px;padding:20px}.image-container{aspect-ratio:4/3;background:#000;border-radius:4px;width:100%;max-width:800px;margin:0 auto 20px;overflow:hidden}#camera-image{object-fit:contain;background:#000;width:100%;height:100%}.timestamp-display{background:var(--accent-bg);border:1px solid var(--accent-border);font-size:14px;font-family:var(--mono);border-radius:4px;justify-content:space-between;align-items:center;margin-bottom:20px;padding:12px;display:flex}#timestamp{font-weight:600}#frame-count{color:var(--text-light)}.controls{flex-wrap:wrap;align-items:center;gap:20px;margin-bottom:20px;display:flex}.playback-controls{gap:8px;display:flex}.playback-controls button{min-width:44px;padding:8px 12px;font-size:16px}.speed-control{flex:1;align-items:center;gap:12px;min-width:200px;display:flex}.speed-control label{color:var(--text-light);white-space:nowrap}.speed-control input{flex:1}#speed-display{min-width:50px;font-family:var(--mono);font-size:14px;font-weight:600}.timeline{margin-bottom:20px}#timeline-slider{width:100%}.range-controls{flex-wrap:wrap;gap:8px;margin-bottom:20px;display:flex}.range-btn{background:var(--bg);border:1px solid var(--border);padding:8px 16px;font-size:14px}.range-btn.active{background:var(--accent);color:#fff;border-color:var(--accent)}.export-section{flex-direction:column;align-items:center;gap:12px;display:flex}.export-btn{background:var(--accent);color:#fff;border:none;padding:10px 24px;font-size:16px;font-weight:600}.export-btn:hover:not(:disabled){background:var(--accent-hover)}#progress{background:var(--accent-bg);border:1px solid var(--accent-border);font-family:var(--mono);color:var(--accent);border-radius:4px;padding:12px 20px;font-size:14px}.modal{z-index:1000;background:#00000080;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.modal-content{background:var(--bg-light);box-shadow:var(--shadow);border-radius:8px;width:100%;max-width:500px;max-height:90vh;overflow-y:auto}.modal-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:20px;display:flex}.modal-header h2{margin:0}.modal-close{cursor:pointer;width:32px;height:32px;color:var(--text-light);background:0 0;border:none;justify-content:center;align-items:center;padding:0;font-size:24px;display:flex}.modal-close:hover{color:var(--text-h)}.modal-body{padding:20px}.modal-footer{border-top:1px solid var(--border);justify-content:flex-end;gap:12px;padding:20px;display:flex}.date-range-group{grid-template-columns:1fr 1fr;gap:20px;display:grid}.date-time-input{flex-direction:column;gap:8px;display:flex}.date-time-input label{color:var(--text-h);font-weight:600}.date-time-input input[type=date],.date-time-input select{border:1px solid var(--border);font-family:var(--sans);background:var(--bg);color:var(--text-h);border-radius:4px;padding:8px 12px;font-size:14px}.date-time-input input[type=date]:focus,.date-time-input select:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-bg);outline:none}.btn-primary,.btn-secondary{cursor:pointer;border:none;border-radius:4px;padding:10px 20px;font-size:14px;font-weight:600;transition:all .2s}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover)}.btn-secondary{background:var(--bg);color:var(--text-h);border:1px solid var(--border)}.btn-secondary:hover{background:var(--border)}@media (width<=768px){h1{font-size:24px}.controls{flex-direction:column;align-items:stretch}.playback-controls{justify-content:space-around}.speed-control{flex-direction:column;align-items:stretch}.image-container{margin-bottom:16px}header,footer{padding:16px 0}.player-section{padding:16px}.date-range-group{grid-template-columns:1fr;gap:16px}.modal-content{width:100%;max-width:90vw}}