Opulent Art Nouveau interior, sinuous lines, flowing curves, ornate furnishings, luxurious fabrics, jewel-toned colors, emerald green, sapphire blue, amethyst purple, golden accents, intricate patterns, organic motifs, botanical illustrations, curved windows, stained glass, mosaic tiles, velvet drapes, bronze hardware, warm soft lighting, shallow depth of field, 1/1 composition, realistic textures, ambient occlusion.