diff --git a/DESIGN.md b/DESIGN.md
index afa4a825..9bbb9a48 100644
--- a/DESIGN.md
+++ b/DESIGN.md
@@ -196,11 +196,11 @@ Shadows appear only on **raised surfaces that float above content**: popovers, t
 Doors are the pane-header indicators on the baseboard. The most signature component in the system.
 - **Shape:** top corners only — `rounded-t-lg` (8px). The bottom is square so the door visually anchors to the baseboard. The pane body owns the bottom corners (`rounded-b-lg`); together they form one continuous rounded rectangle when expanded.
 - **Surface:** `bg-door-bg` + `text-door-fg`. These resolve at runtime via `computeDynamicPalette()` and may match either the inactive-header palette or the terminal palette, whichever has stronger separation from `app-bg`.
-- **Dimensions:** `h-6` (24px), `min-w-[68px]`, `max-w-[220px]`, horizontal padding `px-2.5` (10px), `gap-2` between title and badges.
+- **Dimensions:** `h-6` (24px), `min-w-[68px]`, `max-w-[220px]`; the title button pads `pl-2.5` (10px), `gap-2` between its glyph, title, and badges, ending `pr-2.5` alone or `pr-1` when the notepad button follows it. The notepad button carries the trailing inset itself (`pl-0.5 pr-2`).
 - **Type:** `text-sm font-medium font-mono`.
-- **Content:** truncated title; optional TODO pill (`text-xs font-semibold tracking-[0.08em]`, success-tinted when flourishing); optional bell icon (`size={11}`, `weight="fill"`), `text-alarm-vs-door` when ringing.
+- **Content:** leading browser-display icon cluster on a browser Surface (`size={12}` each, `gap-0.5` — a wide robot plus the presentation glyph, or the presentation glyph alone for `iframe`; named in the Door's accessible name, `docs/specs/dor-browser.md` → Browser Chrome); truncated title; optional TODO pill (`text-xs font-semibold tracking-[0.08em]`, success-tinted when flourishing); optional bell icon (`size={11}`, `weight="fill"`), `text-alarm-vs-door` when ringing; trailing notepad button (`size={12}`, `weight="fill"`) when the minimized Surface holds notes.
 - **Spoken alarm:** `SPEAKING` inverts and pulses the whole Door and takes the badge slot for its speaker-plus-label — it lasts one utterance. `SPOKEN` persists until the ring is attended, so it keeps a static 2px inset and adds its speaker icon *beside* the TODO pill and bell instead of evicting them. Both carry a speaker icon (shape, not color) and name the state in the accessible name.
-- **Hover/Focus:** no decorative hover. The whole door is a button; the focus state is conveyed by the parent pane's selection ring, not by a per-door treatment.
+- **Hover/Focus:** no decorative hover on the door itself; the focus state is conveyed by the parent pane's selection ring, not by a per-door treatment. The door is a labelled `role="group"` wrapper holding one or two buttons rather than one button — the title button reattaches, the notepad button opens the popover and does not (`docs/specs/notepad.md` → Notepad UI) — and only the notepad button takes the standard `hover:bg-current/10` wash.
 
 ### Buttons