Full 12-section KDP spec: 1) CONCEPT — "Cottagecore Mushrooms: A Mindful Coloring Book" positioned for adult stress-relief buyers, primary appeal = nostalgic botanical aesthetic with mycology educational hook, the shelf moment is the Beatrix-Potter-meets-mycology cover that stops the scroll on Amazon's top 100. 2) BUYER — late-30s women buying their own self-care, gift angle for mother's-day/birthday. 3) THEME & MOOD — cottagecore meets vintage herbarium illustration, mossy palette mood-board language. 4) STYLE GUIDE — 2pt bold outlines, no shading, complexity 3-4, page bleed 0.125", style anchors: Ernst Haeckel + Beatrix Potter, AVOID cartoonish eyes and modern flat-vector style. 5) FULL 50-PAGE LIST — pages 1-10 single mushroom specimens (amanita, chanterelle, lion's mane...), pages 11-25 mushroom scenes (forest floor, gnome cottage with mushrooms, fairy ring), pages 26-40 patterns and full-bleeds, pages 41-50 herbarium-style annotated specimens. 6) COVER — single amanita centered with sage-green border, title in vintage serif. 7) TITLE — "Cottagecore Mushroom Coloring Book" + subtitle "50 Botanical Mushroom Pages for Adults — Stress Relief and Mindful Art Therapy". 8) DESCRIPTION — full HTML-ready 1200-char structure. 9) 7 KEYWORDS — "adult coloring book", "cottagecore coloring", "mushroom coloring book", "botanical mandala book", "stress relief coloring women", "vintage mycology illustration", "naturalist gift for women". 10) MASTER MIDJOURNEY PROMPT with 3 page examples filled in. 11) UPLOAD CHECKLIST. 12) TRADEMARK SAFETY NOTES.