strict background replacement only do not regenerate the product replace only the original background with the provided background reference image the sofa is a locked and protected photographic element preserve its exact original appearance dimensions proportions shape fabric texture weave pattern color cushions seams armrests legs and details do not regenerate redraw resize reshape recolor retexture or reconstruct any part of the sofa background only match the reference background s wall floor colors lighting and perspective output format square 1 1 ideally 1000 1000 pixels keep the sofa centered medium sized and correctly proportioned with balanced margins on all four sides if additional space is needed extend only the background never stretch compress or modify the sofa maintain a clearly visible separation between the wall and floor add a subtle realistic contact shadow beneath the sofa only on the floor final result the exact original sofa completely unchanged naturally integrated into the new background absolute priority preserve the original product change only the background
