- Redesign layout: left toolbar, center canvas, right sidebar - Add vertical tool strip with keyboard shortcuts (V, R, E, F, W, B, G, Z, H) - Collapsible sidebar panels: Tool Options, AI Edit, Quick Actions, Eyes, Layers, History - Canvas now fills available space with checkerboard background - Add zoom controls in status bar - Add menu bar with New, Save, Reset - Remove old multi-column layout