Opulent Art Nouveau restaurant, intricately carved wooden panels, sinuous metalwork, stained glass windows, flowing organic patterns, ornate plaster ceilings, grand chandeliers, lavish velvet drapes, richly polished marble floors, gilded accents, warm golden lighting, intimate booths, elegant table settings, luxurious upholstery, whimsical illustrations, vintage posters, lush greenery, soft focus, shallow depth of field, 1/2 composition, warm color palette.