design a compact modern 2 bedroom 1 bath accessory dwelling unit adu with exterior dimensions of 16 feet wide by 28 feet deep the design should balance efficiency light and livability using modern materials and clean geometry suitable for prefabrication or steel frame construction design goals contemporary minimalist architecture with white exterior walls standing seam metal roof and black casement windows emphasize natural light cross ventilation and thermal performance create a cohesive interior layout with an open living kitchen area compact bath and two private bedrooms optimize for small lot or urban infill use while maintaining privacy and flow integrate outdoor connection small front porch deck or sliding doors to yard incorporate best practices in small space design and energy efficiency include in the concept 2d floor plan and 3d perspective renderings furniture layout for scale and usability window and door placement for maximum light and privacy roof slope direction for drainage and solar potential optional loft or vaulted ceiling over living area for volume architectural style scandinavian inspired modern minimalism clean lines simple materials natural wood accents and balanced proportions include a floor plan
