Opulent Art Nouveau interior, sinuous lines, flowing curves, organic shapes, intricate patterns, ornate metalwork, stained glass windows, vibrant colors, luxurious fabrics, velvet drapes, carved wooden paneling, gilded accents, ornamental mirrors, curvaceous furniture, botanical motifs, nature-inspired designs, soft warm lighting, shallow depth of field, 1/1 composition, realistic textures, ambient occlusion.