*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background:#f5f5f5;color:#333}#app{max-width:1200px;margin:0 auto;padding:20px}header{display:flex;justify-content:space-between;align-items:center;margin-bottom:30px;padding:20px;background:#fff;border-radius:8px;box-shadow:0 2px 4px #0000001a}h1{font-size:24px;font-weight:600}h2{font-size:18px;margin-bottom:15px;font-weight:500}button{padding:10px 20px;border:none;border-radius:6px;background:#06f;color:#fff;font-size:14px;font-weight:500;cursor:pointer;transition:background .2s}button:hover:not(:disabled){background:#0052cc}button:disabled{opacity:.6;cursor:not-allowed}#account{font-size:14px;color:#666}.container{display:grid;grid-template-columns:1fr 1fr;gap:20px}.left-panel,.right-panel{background:#fff;padding:20px;border-radius:8px;box-shadow:0 2px 4px #0000001a}.left-panel{max-height:600px;overflow-y:auto}#sketch-list{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.sketch-item{border:1px solid #e0e0e0;border-radius:4px;padding:8px;transition:transform .2s}.sketch-item:hover{transform:translate(4px)}.sketch-item img{width:120px;height:120px;object-fit:cover;border-radius:4px;margin-bottom:6px}.sketch-info{display:flex;justify-content:space-between;font-size:12px;color:#666;margin-bottom:4px}.entity-link{display:block;font-size:11px;color:#06f;text-decoration:underline;word-break:break-all}.entity-link:hover{color:#0052cc}#canvas-container{margin-bottom:15px;border:2px solid #e0e0e0;border-radius:4px;overflow:hidden}#canvas-container canvas{display:block;cursor:crosshair}.controls{display:flex;gap:10px}.controls button{flex:1}#reset-btn{background:#666}#reset-btn:hover:not(:disabled){background:#555}