Elegant art nouveau apartment, flowing organic lines, ornate metalwork balconies, sinuous stone carvings, stained glass windows, intricate wooden paneling, plush velvet furnishings, lavish chandeliers, soft warm lighting, shallow depth of field, 1/1 composition, intimate atmosphere, luxurious textiles, rich jewel-toned colors, ornamental plaster ceilings, curved lines, flowing shapes, naturalistic motifs, whimsical flourishes, vintage decorative accents.