retro future 80s style sci-fi wallpaper. futuristic night city. cityscape on a dark background with bright and glowing neon purple

80s 90s abstract architecture art background bright building city cityscape cover cyberpunk dark design digital fashion future futuristic game geometric geometry graphic hipster illuminated illustration landscape laser light metropolis modern neon night old pop poster retro sci skyscraper space style technology time tower trendy urban vector view wave