Opulent Art Nouveau interior, rich jewel tones, emerald green walls, sapphire blue accents, amber golden lighting, ornate plasterwork, sinuous lines, flowing curves, organic motifs, botanical patterns, velvet drapes, luxurious fabrics, antique furnishings, distressed wood, ornate mirrors, soft warm glow, dramatic shadows, low-key lighting, 1/2 composition, intimate atmosphere, realistic textures, ambient occlusion.