A regal empress from a fictional Persian golden age reclines on a cushioned divan in her moonlit palace courtyard, surrounded by cascading water fountains and hanging gardens, wearing flowing emerald and gold robes with intricate filigree patterns, dark curls adorned with jeweled hairpins, serene confident expression, cool blue moonlight filtering through ornate mashrabiya windows contrasted with warm lantern glow, rich details of Persian rugs and inlaid tilework, oil painting texture with digital precision, luxurious relaxed three-quarter composition, 4k hyperdetailed digital art