Opulent Art Nouveau interior, intricate ornate details, flowing curvilinear lines, organic botanical motifs, warm golden lighting, soft diffused glow, candelabras, sconces, pendant lamps, delicate metalwork, beveled glass, iridescent sheen, rich wood tones, velvet drapes, ornate plaster ceilings, grand staircases, whimsical patterns, luxurious fabrics, lavish textures, atmospheric misting, warm color palette, high contrast ratios, dramatic shadows, 1/2 composition, shallow depth of field.