Complete slide creation toolkit for Marp/Marpit presentations. Use when creating presentations, authoring slides, writing slide content, drawing diagrams, creating illustrations, designing slide color schemes, choosing presentation colors, designing slide themes, selecting background/text/accent colors, or any combination of these tasks. Covers Markdown authoring (Marpit/Marp), SVG illustration, and color design for technical presentations, PowerPoint, Keynote, architecture diagrams, and developer-focused decks.