A surreal retro-futuristic depiction of a floating interdimensional portal café suspended effortlessly within swirling cosmic clouds. The café, an elegant art-deco structure crafted from polished copper and frosted glass, offers panoramic views of portals displaying various alien worlds and vibrant, distant galaxies. Graceful servers dressed in metallic vintage uniforms glide between tables, serving glowing refreshments contained in floating transparent spheres. Patrons clad in reflective space suits and ornate cosmic garments casually converse, observe passing celestial phenomena, or interact with ethereal holographic menus. Rendered in soft airbrush textures, cinematic composition, warm copper and cool celestial turquoise hues, and illuminated by subtle cosmic lighting characteristic of mid-20th-century surrealist cosmic art. <lora:retro-futurist-cosmic-surrealism-flux:0.75>