Pruning the Mercury Constellations

A baroque oil painting of a celestial gardener tending living constellations on a rain-slick rooftop in a neon megacity, kneeling beside a suspended greenhouse of liquid mercury, pruning luminous star-vines while magenta lightning reflects across acid green puddles and chrome spires, tense cinematic atmosphere, opulent brushwork, dramatic chiaroscuro, rich texture, surreal high detail, vertical 9:16 composition