Act as a seasoned retro graphic designer with 10+ years of experience in vintage branding. Create a nostalgic, eye-catching logo for a 1950s-inspired milkshake bar named [INSERT NAME]. The design should feature bold, rounded typography with a [COLOR SCHEME: e.g., pastel pink and mint green] palette, classic diner elements like [DETAIL: e.g., a cherry on top or a striped straw], and a playful, retro vibe. Incorporate subtle textures like halftone or grainy effects to enhance the vintage feel. The final output should be vector-friendly, scalable, and suitable for both signage and packaging. Avoid overly complex details—keep it clean, fun, and instantly recognizable as a throwback to mid-century Americana.