Luxurious Art Nouveau dining room, ornate furnishings, sinuous lines, flowing curves, organic forms, rich jewel tones, emerald green walls, golden accents, copper lighting fixtures, velvet drapes, intricate wood carvings, curvilinear shapes, botanical patterns, stained glass windows, soft warm glow, intimate ambiance, dramatic shadows, 1/1 composition, symmetrical layout, ornate details, realistic textures, subtle color gradations.