Codex Skill for Molecular Biology Textbook Figures

А Codex skill for creating and redrawing clear, textbook and paper-quality biological schematics. It transforms raster figures or written scientific descriptions into consistent editorial illustrations suitable for textbooks, lectures, posters and review articles. The skill supports molecular biology, genomics, plant biology, gene regulation, and pathway diagrams, preserving labels, causal relationships, reading order, and scientific accuracy. Its default visual language combines warm ivory backgrounds, muted pastel colours, fine slate-blue outlines, clean typography, and precise two-dimensional representations of nucleic acids, genes, proteins, motifs, and cellular compartments. The skill provides five immutable atlas panels with 136 biological-form references.