Art Nouveau boathouse, luxurious interior, curved lines, ornate decorations, wooden accents, stained glass windows, soft warm lighting, elegant chandeliers, plush velvet sofas, intricately carved wooden chairs, vintage nautical instruments, antique clocks, richly patterned rugs, flowing drapery, beautiful water views, serene lake surroundings, lush greenery, misty morning atmosphere, 3/4 composition, cinematic depth of field.