Luxurious Art Nouveau interior, sinuous lines, flowing curves, organic shapes, ornate metalwork, intricate stenciling, hand-painted murals, decorative plaster ceilings, grand chandeliers, velvet drapes, rich wood paneling, marble flooring, gilded accents, subtle color palette, soft warm lighting, shallow depth of field, 1/1 composition, intimate atmosphere, whimsical patterns, elegant furnishings, sophisticated textiles, refined ornateness.