Stable Diffusion XL Prompt - biopunk, mecha-hydra, cosmic swirl, eggplant palette, photorealistic, shell ridges

{
    "camera": "3/4 view, close-up on central head, macro-level detail, shallow depth of field",
    "color_palette": "eggplant purple, deep violet, space black, ultraviolet accent, chrome/silver",
    "composition": "centered dominant hydra with luminous core, axial symmetry, cosmic swirl behind, generous negative space",
    "lighting": "neon purple rim light, volumetric space fog, subtle specular highlights on metallic surfaces",
    "negative_prompt": "low-res, artifacts, watermark, logo, text, blur, misshapen anatomy, extra fingers",
    "product_constraints": {
        "background": "scene",
        "bleed_safe_area": "keep key art within 85% center area",
        "print_notes": "300 DPI minimum; strong contrast for large-format print; ensure shell ridges and chrome textures read clearly",
        "product_type": "poster"
    },
    "prompt_core": "Photorealistic bio-mech hydra entwined with a cosmic swirl, multi-headed and armored, its shell-ridged limbs rendered in an eggplant palette with chrome textures and ultra-detailed biomechanical detail.",
    "render_specs": {
        "aspect_ratio": "1:1",
        "cfg_guidance": "9",
        "model_hint": "SDXL",
        "quality": "high",
        "resolution_hint": "4096x4096",
        "seed": "random"
    },
    "style_tags": [
        "biopunk",
        "mecha-hydra",
        "cosmic swirl",
        "eggplant palette",
        "photorealistic",
        "shell ridges"
    ],
    "variants": [
        "Cybernetic purple nebula swirl with intensified chrome highlights and higher-contrast shells",
        "Monochrome eggplant scheme with electric blue accents and pronounced micro-ridge texture",
        "Vertical poster layout focusing on a single head emerging from the cosmic orbit with vignette lighting"
    ]
}