Minimalist vector art book cover concept for upcoming novel "Who killed Her?", graphic illustration style. A mysterious silhouette of a person standing under a single vintage streetlamp on a dark, rainy night. A sharp, dramatic cone of bright yellow light cuts through the deep navy blue and charcoal gray background. Stylized rain streaks catching the light. Sharp lines, flat color blocks, geometric composition, high contrast, Bauhaus and art deco influences. Clean vector shapes

realistic, photorealistic, 3D shading, gradients, motion blur, oil painting, sketchy, messy lines, text, words, watermark, low quality, pixelated.