Luxurious restaurant interior, Art Nouveau style, ornate metalwork, flowing organic lines, sinuous curves, intricate patterns, stained glass ceilings, Tiffany lamps, rich wood paneling, velvet upholstery, carved wooden chairs, marble countertops, decorative tile work, grand staircase, sweeping archways, soft warm lighting, shallow depth of field, 1/1 composition, intimate atmosphere, vintage decor accents, ornate mirrors, lush greenery, ambient occlusion.