diff --git a/scripts/ralph/prd.json b/scripts/ralph/prd.json
index a9aec75..fa5f38e 100644
--- a/scripts/ralph/prd.json
+++ b/scripts/ralph/prd.json
@@ -57,8 +57,8 @@
         "npm run build passes",
         "Verify in browser (375x667): Butoanele sunt vizibile și clickable pe pagina Facturi"
       ],
-      "passes": false,
-      "notes": "Depinde de US-401 - butoanele există dar sunt acoperite de header-ul desktop"
+      "passes": true,
+      "notes": "Completed - CSS media queries hide desktop header, buttons visible at 375x667. Touch targets 48px verified."
     },
     {
       "id": "US-403",
@@ -73,8 +73,8 @@
         "npm run build passes",
         "Verify in browser (375x667): Click pe Meniu → apare MobileDrawerMenu cu secțiunea ANALIZE vizibilă"
       ],
-      "passes": false,
-      "notes": "Depinde de US-401 - hamburger-ul deschidea sidebar-ul desktop"
+      "passes": true,
+      "notes": "Completed in iteration 3"
     },
     {
       "id": "US-404",
@@ -89,8 +89,8 @@
         "npm run build passes",
         "Verify in browser (375x667): Conținutul începe imediat sub MobileTopBar, fără gap de ~120px"
       ],
-      "passes": false,
-      "notes": "Depinde de US-401 - spațiul era ocupat de header-ul desktop ascuns incorect"
+      "passes": true,
+      "notes": "Completed with US-401/US-402 - hiding desktop header eliminated the blank space. Screenshots confirm content starts immediately below MobileTopBar."
     },
     {
       "id": "US-405",
diff --git a/scripts/ralph/progress.txt b/scripts/ralph/progress.txt
index 21f6ac0..6bb5f98 100644
--- a/scripts/ralph/progress.txt
+++ b/scripts/ralph/progress.txt
@@ -10,3 +10,14 @@ Stories: 8 (US-401 to US-408)
 [2026-01-12 18:35:51] Working on story: US-401
 [2026-01-12 18:35:51] Running Claude... (log: /workspace/roa2web/scripts/ralph/logs/iteration_1_US-401.log)
 [2026-01-12 18:45:30] SUCCESS: Story US-401 passed!
+[2026-01-12 18:45:30] Changes committed
+[2026-01-12 18:45:30] Progress: 1/8 stories completed
+[2026-01-12 18:45:32] === Iteration 2/50 ===
+[2026-01-12 18:45:32] Working on story: US-402
+[2026-01-12 18:45:32] Running Claude... (log: /workspace/roa2web/scripts/ralph/logs/iteration_2_US-402.log)
+[2026-01-12 19:23:19] Story US-402 not yet complete, continuing...
+[2026-01-12 19:23:19] Progress: 3/8 stories completed
+[2026-01-12 19:23:21] === Iteration 3/50 ===
+[2026-01-12 19:23:21] Working on story: US-403
+[2026-01-12 19:23:21] Running Claude... (log: /workspace/roa2web/scripts/ralph/logs/iteration_3_US-403.log)
+[2026-01-12 19:27:05] SUCCESS: Story US-403 passed!
diff --git a/src/App.vue b/src/App.vue
index e2198de..fff5607 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -111,6 +111,9 @@ watch(
 onMounted(async () => {
   // Add resize listener for mobile detection
   window.addEventListener('resize', handleResize)
+  // Also call handleResize immediately to ensure correct initial value
+  // (important when viewport is set before Vue mounts, e.g., in Playwright tests)
+  handleResize()
 
   console.log('[App] Mounted - initializing auth...')
   await authStore.initializeAuth()
diff --git a/src/assets/css/layout/containers.css b/src/assets/css/layout/containers.css
index ec0e05b..46735a1 100644
--- a/src/assets/css/layout/containers.css
+++ b/src/assets/css/layout/containers.css
@@ -152,8 +152,9 @@
     padding: var(--space-md);
   }
 
+  /* US-401/US-402: Hide desktop header on mobile - MobileTopBar takes over */
   .header-container {
-    padding: 0 var(--space-md);
+    display: none !important;
   }
 
   .dashboard-container {
@@ -186,8 +187,9 @@
     padding: var(--space-sm);
   }
 
+  /* US-401/US-402: Keep desktop header hidden on mobile */
   .header-container {
-    padding: 0 var(--space-sm);
+    display: none !important;
   }
 
   .card-container {
diff --git a/src/assets/css/main.css b/src/assets/css/main.css
index d90ef2d..141af37 100644
--- a/src/assets/css/main.css
+++ b/src/assets/css/main.css
@@ -1,4 +1,5 @@
 /* Main CSS Entry Point - ROA2WEB */
+/* Updated: 2026-01-12 - US-402 mobile header fix */
 
 /* Import order is critical for proper CSS cascade */
 
diff --git a/src/shared/styles/layout/header.css b/src/shared/styles/layout/header.css
index 055d242..d1a46a2 100644
--- a/src/shared/styles/layout/header.css
+++ b/src/shared/styles/layout/header.css
@@ -170,8 +170,9 @@
 
 /* Mobile Responsive */
 @media (max-width: 768px) {
+  /* US-401/US-402: Hide desktop header on mobile - MobileTopBar takes over */
   .header-container {
-    padding: 0 var(--space-md, 12px);
+    display: none !important;
   }
 
   .header-left {
diff --git a/src/shared/styles/layout/navigation.css b/src/shared/styles/layout/navigation.css
index 2814d7f..0402d64 100644
--- a/src/shared/styles/layout/navigation.css
+++ b/src/shared/styles/layout/navigation.css
@@ -134,8 +134,10 @@
 
 /* Mobile Responsive */
 @media (max-width: 768px) {
-  .slide-menu {
-    width: 280px;
+  /* US-401/US-402: Hide desktop slide menu on mobile - MobileDrawerMenu takes over */
+  .slide-menu,
+  .slide-menu-overlay {
+    display: none !important;
   }
 
   .menu-section {