The card's vertical padding drops from 12px to 4px and moves into the
shared frame, so editing, previews, and exports agree.

The format bar is sized for the five buttons it holds, evenly spaced,
with corners that sit against the text card. Active toggles are checked
tools: a raised violet surface under a white glyph. No tooltips, which
covered the text being written.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>