Opulent Art Nouveau interior, lavish furnishings, sinuous lines, flowing curves, organic forms, jewel-toned colors, emerald green, sapphire blue, amethyst purple, golden accents, ornate metalwork, intricate patterns, stained glass windows, mosaic tiles, velvet drapes, luxurious fabrics, soft warm lighting, dramatic shadows, 1/1 composition, intimate atmosphere, realistic textures, ambient occlusion.