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#ddd;border-radius:4px;cursor:pointer;font-size:14px;display:flex;align-items:center;gap:5px;transition:all .2s}.control-button:hover{background:#f0f0f0;border-color:#999}.start-button{background:#2196f3!important;color:#fff!important;border-color:#1976d2!important;margin-right:10px;transition:all .3s ease}.start-button:hover:not(:disabled){background:#1976d2!important;border-color:#1565c0!important}.start-button.started{background:#9e9e9e!important;border-color:#757575!important;opacity:.7;cursor:not-allowed!important}.done-button{background:#4caf50!important;color:#fff!important;border-color:#45a049!important;transition:all .3s 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.2s}.history-arrow{font-size:24px;font-weight:900}.history-label{font-size:12px;font-weight:500}.history-button:hover:not(:disabled){background:#f0f0f0;border-color:#999}.history-button:disabled{opacity:.3;cursor:not-allowed}.main-container{display:flex;flex:1;overflow:hidden}.left-panel{width:300px;min-width:200px;max-width:600px;background:#f8f8f8;border-right:2px solid #ddd;display:flex;position:relative}.canvas-area{flex:1;display:flex;align-items:center;justify-content:center;background:#e0e0e0;padding:10px;overflow:hidden;min-height:600px}.right-panel{width:450px;min-width:300px;max-width:700px;background:#f8f8f8;border-left:2px solid #ddd;display:flex;position:relative}.reference-image{width:100%;padding:10px;border-bottom:1px solid #ddd;background:#fff;flex-shrink:0}.reference-image img{width:100%;height:auto;border:1px solid #ddd;object-fit:contain}.resizable-panel{-webkit-user-select:none;user-select:none}.panel-content{flex:1;padding:20px;overflow-y:auto;display:flex;flex-direction:column}.resize-handle{width:4px;background:#ddd;cursor:col-resize;transition:background .2s;flex-shrink:0}.resize-handle:hover{background:#999}.resize-handle-left{order:-1}.resize-handle-right{order:1}.resizing{cursor:col-resize}.app.loading{align-items:center;justify-content:center;background:#f5f5f5}.loading-message{font-size:18px;color:#666;text-align:center;padding:20px;background:#fff;border-radius:8px;box-shadow:0 2px 8px #0000001a}.config-controls{display:flex;gap:10px}.modal-overlay{position:fixed;inset:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:2000}.modal-content{background:#fff;border-radius:8px;box-shadow:0 4px 20px #0000004d;max-width:500px;width:90%;max-height:80vh;overflow:auto}.description-dialog{min-height:200px}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-bottom:1px solid #e0e0e0}.modal-header h2{margin:0;font-size:20px;color:#333}.modal-close{background:none;border:none;font-size:24px;cursor:pointer;color:#666;padding:0;width:30px;height:30px;display:flex;align-items:center;justify-content:center;border-radius:4px;transition:background .2s}.modal-close:hover{background:#f0f0f0}.modal-body{padding:20px}.description-text{font-size:16px;line-height:1.6;color:#444;margin:0;white-space:pre-wrap}.modal-footer{padding:16px 20px;border-top:1px solid #e0e0e0;display:flex;justify-content:flex-end}.modal-button{background:#4caf50;color:#fff;border:none;padding:8px 20px;border-radius:4px;font-size:14px;font-weight:700;cursor:pointer;transition:background .2s}.modal-button:hover{background:#45a049}.info-button{background:#9c27b0;color:#fff;min-width:120px;padding:8px 16px}.info-button:hover{background:#7b1fa2}