/* ---------- Mail module (#627, #781): the styles moved out of the Inbox page ---------- These rules moved verbatim from `src/inbox/app.html` into this file (#781). They are the Mail module's own styles: the thread reader and its messages, the AI held draft and internal note, the reply bar with its rich-text editor, recipients, formatting and files, the comments drawer content with its mentions and shares, the sender CRM context and history, the compose overlay, the toast, and the Mail stage and reader wiring. The Mentions module's one inline rule moves here too, since only Mail uses it. The shell keeps the shared design system, the tokens, the shell grid and dock, the rail and account menu, the context-column track the other modules share, the module-scoping rules and the responsive block. No selector here starts with the document-root pseudo-class, so none had to stay behind for the inline token block (#778 lesson). The module stylesheet loads after the canvas sheets and before the inline