a festive halloween cocktail in a cozy bar setting

abstract art artificial atmospheric autumn background bar beverage bioluminescent blue bokeh carved cinematic cocktails colors composition concept connections cozy crystalline cybernetic dark data decor digital drink effects electric ethereal evening festive flower fragments futuristic garnish geometric glowing high-tech holographic intelligence interconnected knowledge light lighting lights lime luminescent moody nature network networks neural night particles party plant poster pumpkin radiating red reflection reflective representation scene sci-fi screenshot seasonal sky spirits spooky sugar sunlight surface table transformation tree vibrant visualization wood