Update layout

CLAUDE.md

@@ -66,7 +66,7 @@ one runtime dependency (`node-ical`).
 - **`tags.json`** — user-editable, not code. Maps an emoji to
   `{ label, color }`. `color` must be one of the names in `TAG_COLOR_VAR` in
   `index.html` (`blue`, `aqua`, `yellow`, `green`, `violet`, `red`,
-  `magenta`, `orange`, `gray`, `purple`, `lightblue`) — an unrecognized
+  `magenta`, `orange`, `gray`, `purple`, `lightblue`, `white`) — an unrecognized
   color name silently falls back to blue rather than erroring, so a typo
   here won't crash anything but will look wrong.
 - **`.env`** (gitignored) — optional `CALURL=<ics url>`, used only to