modern halloween decor, contemporary and chic halloween decor with a refined monochrome theme, showcasing sleek black

decor halloween modern contemporary chic refined monochrome theme showcasing sleek black candles dried dark flowers geometric shapes elegant stylish trendy sophisticated sleekness design decorations autumn spooky witches ghosts ghouls haunted pumpkins scary creepy eerie gothic decorating interior styling inspired october festive celebration festivities home nocturnal sombre bats dramatic ai generated