Opulent Art Nouveau dining room, rich wood paneling, ornate furniture, flowing organic lines, warm golden lighting, lavish velvet drapes, intricate metalwork, soft peach tones, muted sage greens, dusty rose hues, creamy whites, luxurious marble surfaces, subtle iridescent sheens, delicate floral patterns, whimsical curves, 3/4 composition, shallow depth of field, warm afternoon sunlight, realistic textures, ambient occlusion.