.tool-shell{max-width:900px;border:1px solid #d8e4ef;border-radius:18px;padding:32px;background:#fff}.tool-shell label{display:block;font-size:1.1rem;font-weight:750;margin-bottom:12px}.tool-shell textarea{box-sizing:border-box;display:block;width:100%;min-height:240px;border:1px solid #c3d4e4;border-radius:12px;padding:18px;font:1rem/1.6 ui-monospace,SFMono-Regular,Consolas,monospace;resize:vertical}.tool-actions{display:flex;flex-wrap:wrap;gap:12px;margin:18px 0}.tool-shell .notice{margin:16px 0;min-height:30px}@media(max-width:700px){.tool-shell{padding:18px}}