create a new architectural interior visualization and functional floor plan layout for a caf based on the provided original clean floor plan follow these instructions exactly 1 preserve the existing geometry keep the exact dimensions of the space do not change the outer walls structural columns existing openings staircase position or overall footprint the ceiling height is 3 4 meters the visualization must respect the original architectural proportions 2 orientation and existing conditions the windows and main entrance are located on the western side of the floor plan the northern side of the floor plan is a solid wall with no windows the staircase on the southern side leads downward do not place furniture or a sofa directly in front of doors entrances or circulation paths 3 caf layout design the space as a modern but cozy caf place seating directly along the large french windows on the western side use as many seating places as reasonably possible while keeping comfortable circulation include a mix of seating types small two person tables four person tables window seating and possibly a few lounge style seats but without blocking entrances or doors keep the central area open enough for natural customer movement place the caf counter bar in a logical position with good visibility from the entrance include a display case coffee machine area barista work zone preparation counter and service storage cabinets 4 back of house area create the staff facilities and staff wc in the eastern part of the floor plan include a small staff storage preparation area connected to the caf operation keep this eastern back of house area visually separated from the customer area but do not add unnecessary internal partitions in the main customer space remove unnecessary internal partitions in the caf seating area and keep the main caf space open 5 design style the caf should feel modern elegant warm and cozy use a light floor finish such as light oak wood pale microcement or light stone tiles use warm neutral colors natural wood soft beige tones subtle stone or microcement surfaces plants and soft ambient lighting the atmosphere should fit a premium boutique residential building avoid dark heavy flooring and overly industrial or cold materials 6 output style create a top down architectural interior visualization rendered floor plan the result should look like a professional interior design proposal the furniture counter lighting plants and seating layout should be clearly visible keep the space realistic functional and suitable for an actual caf operation