Visual overhaul: - Pure CSS starry parallax background (3 layers, box-shadow technique) - 450 stars: 300 small (50s), 100 medium (100s), 50 large (150s) - Radial gradient sky, GPU-accelerated with will-change - SVG constellation icons for all 12 Western zodiac signs - Chinese animal unicode symbols in profile cards - Twinkle animation on constellation star points - Increased header/footer contrast for background readability Compatibility engine: - Dynamic do's and don'ts generated per sign pairing - Contextual advice: element interactions, Six Harming, rating-based - Structured Do/Don't display with emerald/red styling - Updated /r server-rendered page with same layout Polish pass: - Layout background harmonized with starry sky (#090A0F) - Constellation SVG opacity boosted to 50% - Header and footer now have bg-black/20 backing - All 62 tests passing