Generate detailed architectural floor plan for a duplex house in Australian town

Generate detailed architectural floor plan for a duplex house in Australian townhouse style. The building should have two levels (Ground + 1). The ground floor should include an open-plan living and dining area, a modern kitchen, a bathroom, and a patio area. The first floor should include four bedrooms, two bathrooms (one en-suite for the master bedroom) and a small balcony. The design should incorporate clean, modern lines with a focus on functionality and space optimization, reflecting the classic yet contemporary Australian townhouse aesthetic. Generate plan of both the levels