diff --git a/CHANGELOG.md b/CHANGELOG.md
index bed1af6..53400bb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,67 @@
 
 All notable changes to the FIVUCSAS platform. Dates are in ISO 8601 format. See each submodule's own `CHANGELOG.md` for granular per-repo changes.
 
+## [2026-04-22b] UI refresh — verify.fivucsas.com (Scope B)
+
+Follow-up to Scope A. Polishes the hosted login surface
+(`verify.fivucsas.com/login`) and the iframe widget
+(`verify.fivucsas.com/?session_id=…`).
+
+**Zero functional change.** Preserves every OAuth handler,
+postMessage event shape, frame-bust effect, `assertSafeRedirectScheme`
+guard, step component, SDK byte, CSP header, and Permissions-Policy
+delegation. The `fivucsas-auth.js` SDK is **not rebuilt** — SHA-384 on
+live matches the staged copy, so `bys-demo`'s SRI hash and every
+external integrator's `integrity="sha384-…"` attribute remain valid.
+
+### Changed
+
+- `web-app/` submodule bump: `a4c0053 → 70a4c06`. Pulls in
+  [Rollingcat-Software/web-app#25](https://github.com/Rollingcat-Software/web-app/pull/25):
+  - `src/verify-app/HostedLoginApp.tsx` — `HostedFrame` rebuilt:
+    ambient radial gradient canvas (light + dark aware), gradient
+    brand-mark above the card, "Secured by FIVUCSAS" pill with
+    `VerifiedUserOutlined` icon, Poppins display title,
+    `verify.fivucsas.com` microcopy footer. All `parseHostedParams`,
+    `resolveLocale`, frame-bust effect, tenant meta fetch with
+    AbortController + 10s timeout, `handleLoginComplete`
+    (`/oauth2/authorize/complete` call), and `handleCancel` preserved.
+  - `src/verify-app/VerifyApp.tsx` — iframe body wrapper tokens tuned;
+    transparent background preserved so parent page styling still
+    bleeds through the widget. Every postMessage emission
+    (`sendReady`, `sendStepChange`, `sendComplete`, `sendCancel`,
+    `sendError`, `onParentMessage`, `setParentOrigin`) and every
+    handler preserved.
+  - `src/verify-app/LoginMfaFlow.tsx` — Card chrome softened
+    (mode-aware elevation, 20 px radius), header uses Poppins display
+    font with tighter letter-spacing, cancel button with compact close
+    icon. Phase state machine + every one of the 10 step components
+    (`PasswordStep`, `MethodPickerStep`, `TotpStep`, `SmsOtpStep`,
+    `EmailOtpMfaStep`, `FaceCaptureStep`, `VoiceStep`,
+    `FingerprintStep`, `QrCodeStep`, `HardwareKeyStep`, `NfcStep`)
+    untouched.
+
+- `verify-widget/html/index.html` — regenerated by `sync-assets.sh`
+  to point at the new verify-app bundle
+  (`/assets/index-DGYB7Ly1.js`, `mui-vendor-DkSS5YNQ.js`,
+  `react-vendor-BkVLglrX.js`). This is the tracked entry for the
+  Docker image; asset chunks themselves remain gitignored.
+
+### Deploy (followed the required 3-step sync)
+
+1. `cd web-app && npm run build:verify` — clean, produced `dist-verify/`
+2. `cd ../verify-widget && ./sync-assets.sh` — staged 43 files into
+   `verify-widget/html/`. SDK files (`fivucsas-auth.js`, `.esm.js`,
+   `.map`) kept their 2026-04-18 mtimes (untouched).
+3. `docker compose -f docker-compose.prod.yml up -d --build verify-widget`
+   — nginx image rebuilt, container is healthy.
+
+**Live verification:**
+- `https://verify.fivucsas.com/` + `/login` → 200
+- `sha384sum` on live `/fivucsas-auth.js` matches local staged copy —
+  SRI hashes in `bys-demo/index.html` + `callback.html` still valid
+- 56 / 56 verify-app Vitest tests green, 608 / 608 full suite green
+
 ## [2026-04-22] UI refresh — landing, web-app shell, BYS demo (Scope A)
 
 Zero functional change across the whole refresh. Every route, handler,
diff --git a/verify-widget/html/index.html b/verify-widget/html/index.html
index a8317d0..1ca6aff 100644
--- a/verify-widget/html/index.html
+++ b/verify-widget/html/index.html
@@ -24,10 +24,10 @@
         html, body { width: 100%; min-height: 100%; overflow-x: hidden; }
         body { font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; }
     </style>
-  <script type="module" crossorigin src="/assets/index-DaHnXTBo.js"></script>
+  <script type="module" crossorigin src="/assets/index-DGYB7Ly1.js"></script>
   <link rel="modulepreload" crossorigin href="/assets/rolldown-runtime-COnpUsM8.js">
-  <link rel="modulepreload" crossorigin href="/assets/mui-vendor-MRtv65hb.js">
-  <link rel="modulepreload" crossorigin href="/assets/react-vendor-zwRPOsMw.js">
+  <link rel="modulepreload" crossorigin href="/assets/mui-vendor-DkSS5YNQ.js">
+  <link rel="modulepreload" crossorigin href="/assets/react-vendor-BkVLglrX.js">
   <link rel="stylesheet" crossorigin href="/assets/index-Ci_SIW9g.css">
 </head>
 <body>
diff --git a/web-app b/web-app
index a4c0053..70a4c06 160000
--- a/web-app
+++ b/web-app
@@ -1 +1 @@
-Subproject commit a4c005343cda7944f2822887065ed1c14e24ffb1
+Subproject commit 70a4c06405c517045e8359f73e30d4a7fb1eb8ca