diff --git a/public/app.js b/public/app.js
index 6350209..ccdaba4 100644
--- a/public/app.js
+++ b/public/app.js
@@ -117,7 +117,22 @@ const elements = {
   loadingOverlay: document.getElementById('loading-overlay'),
   loaderStepFetch: document.getElementById('loader-step-fetch'),
   loaderStepParse: document.getElementById('loader-step-parse'),
-  loaderStepImages: document.getElementById('loader-step-images')
+  loaderStepImages: document.getElementById('loader-step-images'),
+  
+  // Mobile Components
+  fabAddRecipe: document.getElementById('mobile-header-btn-add'),
+  mobileTabCookbook: document.getElementById('mobile-header-tab-cookbook'),
+  mobileTabCommunity: document.getElementById('mobile-header-tab-community'),
+  mobileTabProfile: document.getElementById('mobile-header-btn-profile'),
+  mobileProfileModal: document.getElementById('mobile-profile-modal'),
+  mobileProfileUsername: document.getElementById('mobile-profile-username'),
+  mobileProfileRole: document.getElementById('mobile-profile-role'),
+  mobileBtnThemeToggle: document.getElementById('mobile-btn-theme-toggle'),
+  mobileBtnSettings: document.getElementById('mobile-btn-settings'),
+  mobileBtnAdmin: document.getElementById('mobile-btn-admin'),
+  mobileBtnLogout: document.getElementById('mobile-btn-logout'),
+  headerLogo: document.getElementById('header-logo'),
+  libraryViewTitle: document.getElementById('library-view-title')
 };
 
 // -------------------------------------------------------------
@@ -211,6 +226,26 @@ function registerEvents() {
       }
     }
   });
+
+  // Mobile UI Events
+  elements.mobileTabCookbook.addEventListener('click', () => switchTab('my-cookbook'));
+  elements.mobileTabCommunity.addEventListener('click', () => switchTab('community-vault'));
+  elements.mobileTabProfile.addEventListener('click', openMobileProfile);
+  elements.headerLogo.addEventListener('click', () => switchTab('my-cookbook'));
+  elements.fabAddRecipe.addEventListener('click', handleFabClick);
+  elements.mobileBtnThemeToggle.addEventListener('click', toggleTheme);
+  elements.mobileBtnSettings.addEventListener('click', () => {
+    closeModal('mobile-profile-modal');
+    openSettingsModal();
+  });
+  elements.mobileBtnAdmin.addEventListener('click', () => {
+    closeModal('mobile-profile-modal');
+    switchTab('user-admin');
+  });
+  elements.mobileBtnLogout.addEventListener('click', () => {
+    closeModal('mobile-profile-modal');
+    logout();
+  });
 }
 
 // -------------------------------------------------------------
@@ -472,7 +507,7 @@ async function deleteActiveRecipe() {
   }
 }
 
-// Clone a Community Vault recipe to current user's collection
+// Clone a Shared Cookbook recipe to current user's collection
 async function cloneActiveRecipe() {
   if (!activeRecipe) return;
   
@@ -646,7 +681,13 @@ function renderLibrary() {
     
     let imgBlock = '';
     if (recipe.image) {
-      imgBlock = `<img src="${recipe.image}" class="recipe-card-img" alt="${recipe.title}" loading="lazy">`;
+      imgBlock = `
+        <img src="${recipe.image}" class="recipe-card-img" alt="${recipe.title}" loading="lazy" onerror="this.style.display='none'; this.nextElementSibling.style.display='flex';">
+        <div class="recipe-card-img-placeholder" style="display: none;">
+          <i data-lucide="cooking-pot"></i>
+          <span>No dish photo</span>
+        </div>
+      `;
     } else {
       imgBlock = `
         <div class="recipe-card-img-placeholder">
@@ -1027,8 +1068,10 @@ function initAuth() {
     // Toggle Admin visibility
     if (currentUser.isAdmin) {
       elements.tabUserAdmin.style.display = 'flex';
+      elements.mobileBtnAdmin.style.display = 'block';
     } else {
       elements.tabUserAdmin.style.display = 'none';
+      elements.mobileBtnAdmin.style.display = 'none';
     }
     
     // Reset view to My Cookbook on init
@@ -1073,8 +1116,10 @@ async function handleLogin(e) {
     // Toggle Admin visibility
     if (currentUser.isAdmin) {
       elements.tabUserAdmin.style.display = 'flex';
+      elements.mobileBtnAdmin.style.display = 'block';
     } else {
       elements.tabUserAdmin.style.display = 'none';
+      elements.mobileBtnAdmin.style.display = 'none';
     }
     
     elements.loginForm.reset();
@@ -1094,7 +1139,7 @@ function logout() {
   elements.authModal.classList.add('active');
   elements.authModal.style.display = 'flex';
   elements.userBadgeContainer.style.display = 'none';
-  elements.tabUserAdmin.style.display = 'none';
+  elements.mobileBtnAdmin.style.display = 'none';
   allRecipes = [];
   
   // Reset tabs visual state
@@ -1119,6 +1164,11 @@ function switchTab(tabName) {
   elements.tabUserAdmin.classList.remove('btn-primary');
   elements.tabUserAdmin.classList.add('btn-outline');
   
+  // Mobile Tab Bar sync
+  elements.mobileTabCookbook.classList.remove('active');
+  elements.mobileTabCommunity.classList.remove('active');
+  elements.mobileTabProfile.classList.remove('active');
+  
   elements.recipesGrid.style.display = 'none';
   elements.emptyState.style.display = 'none';
   elements.userAdminPanel.style.display = 'none';
@@ -1126,19 +1176,33 @@ function switchTab(tabName) {
   const filters = elements.librarySearch.closest('.filter-controls');
   if (filters) filters.style.display = 'flex';
   
+  // Update Dynamic Mobile Header Title
+  if (elements.libraryViewTitle) {
+    if (tabName === 'my-cookbook') {
+      elements.libraryViewTitle.textContent = 'My Cookbook';
+    } else if (tabName === 'community-vault') {
+      elements.libraryViewTitle.textContent = 'Shared Cookbook';
+    } else if (tabName === 'user-admin') {
+      elements.libraryViewTitle.textContent = 'User Administration';
+    }
+  }
+  
   if (tabName === 'my-cookbook') {
     elements.tabMyCookbook.classList.add('active');
+    elements.mobileTabCookbook.classList.add('active');
     elements.recipesGrid.style.display = 'grid';
     activeTab = 'my-cookbook';
     fetchRecipes();
   } else if (tabName === 'community-vault') {
     elements.tabCommunityVault.classList.add('active');
+    elements.mobileTabCommunity.classList.add('active');
     elements.recipesGrid.style.display = 'grid';
     activeTab = 'community-vault';
     fetchRecipes();
   } else if (tabName === 'user-admin') {
     elements.tabUserAdmin.classList.add('btn-primary');
     elements.tabUserAdmin.classList.remove('btn-outline');
+    elements.mobileTabProfile.classList.add('active');
     elements.userAdminPanel.style.display = 'block';
     if (filters) filters.style.display = 'none';
     activeTab = 'user-admin';
@@ -1654,3 +1718,48 @@ async function scanRecipeFile(file) {
     alert(`Scanning Failed: ${error.message}\n\nPlease verify your internet connection and check that your Gemini API Key is correct.`);
   }
 }
+
+// -------------------------------------------------------------
+// MOBILE PORTAL CONTROLS & GESTURES
+// -------------------------------------------------------------
+
+function openMobileProfile() {
+  if (!currentUser) return;
+  
+  elements.mobileProfileUsername.textContent = `@${currentUser.username}`;
+  
+  // Set role text
+  let roleText = 'Chef Account';
+  if (currentUser.isAdmin) {
+    roleText = 'Administrator';
+  } else if (currentUser.isRecipeManager) {
+    roleText = 'Recipe Manager';
+  }
+  elements.mobileProfileRole.textContent = roleText;
+  
+  // Handle theme icon inside profile drawer
+  const isDark = document.body.classList.contains('dark-theme');
+  const sunIcon = elements.mobileBtnThemeToggle.querySelector('.sun-icon');
+  const moonIcon = elements.mobileBtnThemeToggle.querySelector('.moon-icon');
+  if (sunIcon && moonIcon) {
+    if (isDark) {
+      sunIcon.style.display = 'block';
+      moonIcon.style.display = 'none';
+    } else {
+      sunIcon.style.display = 'none';
+      moonIcon.style.display = 'block';
+    }
+  }
+  
+  openModal('mobile-profile-modal');
+}
+
+function handleFabClick() {
+  // If not on cookbook tab, switch back to list first
+  if (activeTab !== 'my-cookbook') {
+    switchTab('my-cookbook');
+  }
+  // Open the manual recipe creator
+  openManualAdd();
+}
+
diff --git a/public/index.html b/public/index.html
index 860f728..5bf5724 100644
--- a/public/index.html
+++ b/public/index.html
@@ -16,12 +16,13 @@
 <body class="dark-theme">
   <!-- Top Navigation -->
   <header class="app-header">
-    <div class="header-logo" style="cursor: pointer;" onclick="switchTab('my-cookbook')">
+    <div class="header-logo" style="cursor: pointer;" id="header-logo">
       <div class="logo-icon"><i data-lucide="cooking-pot"></i></div>
       <span class="logo-text">Fork<span>Folio</span></span>
     </div>
     
     <div class="header-actions">
+      <!-- Desktop Actions -->
       <div class="user-badge-container" id="user-badge-container" style="display: none;">
         <span class="user-display"><i data-lucide="user"></i> <span id="user-display-name">@chef</span></span>
         <button class="btn btn-icon-round" id="btn-settings" title="Application Settings"><i data-lucide="settings"></i></button>
@@ -37,6 +38,22 @@
         <i data-lucide="sun" class="sun-icon"></i>
         <i data-lucide="moon" class="moon-icon"></i>
       </button>
+
+      <!-- Mobile Consolidated Header Group -->
+      <div class="mobile-header-group" id="mobile-header-group" style="display: none;">
+        <button class="mobile-header-tab active" id="mobile-header-tab-cookbook" title="My Cookbook">
+          <i data-lucide="book-open"></i>
+        </button>
+        <button class="mobile-header-tab" id="mobile-header-tab-community" title="Shared Cookbook">
+          <i data-lucide="globe"></i>
+        </button>
+        <button class="mobile-header-btn-add" id="mobile-header-btn-add" title="Add Recipe">
+          <i data-lucide="plus"></i>
+        </button>
+        <button class="mobile-header-tab" id="mobile-header-btn-profile" title="Chef Profile">
+          <i data-lucide="user"></i>
+        </button>
+      </div>
     </div>
   </header>
 
@@ -74,7 +91,7 @@
             <i data-lucide="book-open"></i> <span>My Cookbook</span>
           </button>
           <button class="dashboard-tab-btn" id="tab-community-vault">
-            <i data-lucide="globe"></i> <span>Community Vault</span>
+            <i data-lucide="globe"></i> <span>Shared Cookbook</span>
           </button>
         </div>
         
@@ -87,6 +104,9 @@
         </div>
       </div>
 
+      <!-- Dynamic Mobile Section Title -->
+      <h2 class="library-view-title" id="library-view-title" style="display: none;">My Cookbook</h2>
+
       <!-- Recipes Grid -->
       <div class="recipes-grid" id="recipes-grid">
         <!-- Recipe cards will be loaded here dynamically -->
@@ -95,7 +115,7 @@
       <!-- Empty State -->
       <div class="empty-state" id="empty-state">
         <div class="empty-icon"><i data-lucide="folder-open"></i></div>
-        <h3>Your vault is empty</h3>
+        <h3>Your cookbook is empty</h3>
         <p>Insert a cooking web link above or create one manually to build your digital recipe collections.</p>
       </div>
 
@@ -193,7 +213,7 @@
               <input type="checkbox" id="edit-is-public" checked>
               <span class="checkbox-label"><i data-lucide="globe" style="width: 14px; height: 14px; display: inline-block; vertical-align: middle; margin-right: 4px;"></i> Share with ForkFolio Community (Public)</span>
             </label>
-            <p class="form-help text-sm opacity-80" style="margin-top: 4px; font-size: 0.8rem; color: var(--text-muted);">If enabled, this recipe will be shared to the global Community Vault feed for everyone to view and clone.</p>
+            <p class="form-help text-sm opacity-80" style="margin-top: 4px; font-size: 0.8rem; color: var(--text-muted);">If enabled, this recipe will be shared to the global Shared Cookbook feed for everyone to view and clone.</p>
           </div>
 
           <div class="form-grid-2">
@@ -450,11 +470,11 @@
           <label class="checkbox-container" style="align-items: flex-start;">
             <input type="checkbox" id="delete-user-preserve-recipes" checked>
             <span class="checkbox-label" style="font-size: 0.9rem; line-height: 1.4; color: var(--text-main); font-weight: 500;">
-              <i data-lucide="globe" style="width: 14px; height: 14px; display: inline-block; vertical-align: middle; margin-right: 4px;"></i> Keep recipes in Community Vault?
+              <i data-lucide="globe" style="width: 14px; height: 14px; display: inline-block; vertical-align: middle; margin-right: 4px;"></i> Keep recipes in Shared Cookbook?
             </span>
           </label>
           <p style="font-size: 0.75rem; color: var(--text-muted); margin-top: 6px; padding-left: 30px; margin-bottom: 0;">
-            If enabled, this chef's private recipes will be transferred to a public archive in the Community Vault. If disabled, all recipes owned by this chef will be purged.
+            If enabled, this chef's private recipes will be transferred to a public archive in the Shared Cookbook. If disabled, all recipes owned by this chef will be purged.
           </p>
         </div>
         
@@ -542,6 +562,50 @@
       </div>
     </div>
   </div>
+  <!-- MOBILE SYSTEM COMPONENTS -->
+
+  <!-- Mobile Profile Drawer Sheet -->
+  <div class="modal-overlay" id="mobile-profile-modal">
+    <div class="modal-box max-width-xs mobile-profile-sheet">
+      <div class="bottom-sheet-handle"></div>
+      <div class="modal-header">
+        <h3>Chef Profile</h3>
+        <button class="close-btn" onclick="closeModal('mobile-profile-modal')"><i data-lucide="x"></i></button>
+      </div>
+      <div class="modal-body text-center" style="display: flex; flex-direction: column; align-items: center; gap: 16px;">
+        <div class="profile-avatar-large">
+          <i data-lucide="user"></i>
+        </div>
+        <div>
+          <h2 class="profile-username" id="mobile-profile-username" style="font-size: 1.6rem; color: var(--text-main); margin-bottom: 4px;">@chef</h2>
+          <span class="admin-role-badge chef" id="mobile-profile-role" style="font-size: 0.8rem; padding: 4px 10px; border-radius: var(--border-radius-full);">Chef Account</span>
+        </div>
+        
+        <div class="mobile-profile-actions" style="width: 100%; display: flex; flex-direction: column; gap: 12px; margin-top: 8px;">
+          <button class="btn btn-outline btn-full-width" id="mobile-btn-theme-toggle" style="justify-content: flex-start; padding-left: 20px;">
+            <i data-lucide="sun" class="sun-icon"></i>
+            <i data-lucide="moon" class="moon-icon" style="display: none;"></i>
+            <span style="margin-left: 8px;">Toggle Theme</span>
+          </button>
+          
+          <button class="btn btn-outline btn-full-width" id="mobile-btn-settings" style="justify-content: flex-start; padding-left: 20px;">
+            <i data-lucide="settings"></i>
+            <span style="margin-left: 8px;">Application Settings</span>
+          </button>
+          
+          <button class="btn btn-outline btn-full-width" id="mobile-btn-admin" style="display: none; justify-content: flex-start; padding-left: 20px; border-color: var(--primary); color: var(--primary);">
+            <i data-lucide="shield"></i>
+            <span style="margin-left: 8px;">User Admin Panel</span>
+          </button>
+          
+          <button class="btn btn-danger btn-full-width" id="mobile-btn-logout" style="justify-content: flex-start; padding-left: 20px; background-color: rgba(239, 68, 68, 0.1); border: 1px solid rgba(239, 68, 68, 0.2); color: var(--danger);">
+            <i data-lucide="log-out"></i>
+            <span style="margin-left: 8px;">Log Out</span>
+          </button>
+        </div>
+      </div>
+    </div>
+  </div>
 
   <script>
     // Initialize Lucide Icons initially
diff --git a/public/style.css b/public/style.css
index 37f3904..f7286d5 100644
--- a/public/style.css
+++ b/public/style.css
@@ -1884,3 +1884,511 @@ h1, h2, h3, h4, h5, h6 {
   border: 1px dashed rgba(239, 68, 68, 0.35);
   color: #ef4444;
 }
+
+/* =============================================================
+   MOBILE DESIGN AND NAVIGATION UPGRADES (HIGH FIDELITY UX)
+   ============================================================= */
+
+/* Layout adaptation variables */
+:root {
+  --bottom-nav-height: 68px;
+  --fab-size: 56px;
+}
+
+/* Default Mobile Elements Hidden on Desktop */
+.mobile-header-group,
+.bottom-sheet-handle,
+.profile-avatar-large {
+  display: none;
+}
+
+/* Mobile responsive media queries */
+@media (max-width: 768px) {
+  /* Define layout safe offsets */
+  body {
+    padding-bottom: 0 !important;
+  }
+
+  /* Compact Header */
+  .app-header {
+    padding: 12px 16px;
+    height: 60px;
+  }
+  
+  .logo-text {
+    font-size: 1.25rem;
+  }
+  
+  .logo-icon {
+    width: 34px;
+    height: 34px;
+  }
+
+  /* Hide desktop action buttons in header */
+  .app-header #btn-manual-add,
+  .app-header .user-badge-container,
+  .app-header #tab-user-admin {
+    display: none !important;
+  }
+
+  /* Compact Hero */
+  .app-container {
+    padding: 16px 16px 40px 16px;
+  }
+  
+  .scraping-hero {
+    margin-bottom: 24px;
+    padding: 0 8px;
+  }
+  
+  .hero-content h1 {
+    font-size: 1.8rem;
+    line-height: 1.2;
+  }
+  
+  .hero-content p {
+    font-size: 0.9rem;
+    margin-bottom: 16px;
+  }
+  
+  .url-input-form {
+    flex-direction: column;
+    padding: 6px;
+    border-radius: var(--border-radius-md);
+    gap: 8px;
+  }
+  
+  .url-input-form input {
+    padding: 10px 10px 10px 42px;
+    font-size: 0.9rem;
+  }
+  
+  .hero-buttons-group {
+    width: 100%;
+  }
+  
+  .hero-buttons-group button {
+    flex: 1;
+    height: 44px;
+    font-size: 0.9rem;
+  }
+
+  /* Hide desktop dashboard tab bar */
+  .library-header {
+    margin-bottom: 16px;
+  }
+  
+  .dashboard-tabs {
+    display: none !important;
+  }
+  
+  .search-wrapper {
+    width: 100%;
+  }
+  
+  .search-wrapper input {
+    width: 100% !important;
+    height: 44px;
+    font-size: 0.95rem;
+  }
+
+  /* fluid grids */
+  .recipes-grid {
+    grid-template-columns: repeat(2, 1fr);
+    gap: 10px;
+  }
+  
+  .recipe-card {
+    border-radius: var(--border-radius-md);
+  }
+  
+  .recipe-card-content {
+    padding: 10px;
+  }
+  
+  .recipe-card-origin {
+    font-size: 0.65rem;
+    margin-bottom: 2px;
+  }
+  
+  .recipe-card-title {
+    font-size: 0.9rem;
+    margin-bottom: 4px;
+    line-height: 1.25;
+  }
+  
+  .recipe-card-creator {
+    font-size: 0.65rem;
+    padding: 2px 6px;
+    margin-top: 2px;
+    margin-bottom: 4px;
+  }
+  
+  .recipe-card-desc {
+    display: none !important;
+  }
+  
+  .recipe-card-meta {
+    padding-top: 6px;
+    gap: 8px;
+    font-size: 0.7rem;
+  }
+
+  /* Bottom Navigation Styles */
+  .mobile-bottom-nav {
+    display: flex;
+    position: fixed;
+    bottom: 0;
+    left: 0;
+    width: 100vw;
+    height: var(--bottom-nav-height);
+    background-color: var(--glass-bg);
+    border-top: 1px solid var(--border-color);
+    backdrop-filter: var(--glass-blur);
+    -webkit-backdrop-filter: var(--glass-blur);
+    z-index: 990;
+    justify-content: space-around;
+    align-items: center;
+    padding-bottom: env(safe-area-inset-bottom);
+    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.08);
+  }
+  
+  .mobile-tab-item {
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    justify-content: center;
+    background: none;
+    border: none;
+    color: var(--text-muted);
+    font-family: var(--font-heading);
+    font-weight: 500;
+    font-size: 0.75rem;
+    gap: 4px;
+    cursor: pointer;
+    transition: all var(--transition-fast);
+    flex: 1;
+    height: 100%;
+  }
+  
+  .mobile-tab-item i,
+  .mobile-tab-item svg {
+    width: 20px;
+    height: 20px;
+    transition: transform var(--transition-fast);
+  }
+  
+  .mobile-tab-item:active i,
+  .mobile-tab-item:active svg {
+    transform: scale(0.88);
+  }
+  
+  .mobile-tab-item.active {
+    color: var(--primary);
+    font-weight: 700;
+  }
+
+  /* Floating Action Button */
+  .fab-add-recipe {
+    display: flex;
+    position: fixed;
+    bottom: calc(var(--bottom-nav-height) + 16px + env(safe-area-inset-bottom));
+    right: 16px;
+    width: var(--fab-size);
+    height: var(--fab-size);
+    border-radius: var(--border-radius-full);
+    background: linear-gradient(135deg, var(--primary), var(--secondary));
+    box-shadow: 0 6px 20px var(--primary-glow);
+    border: none;
+    color: var(--text-white);
+    align-items: center;
+    justify-content: center;
+    cursor: pointer;
+    z-index: 995;
+    transition: all var(--transition-fast);
+  }
+  
+  .fab-add-recipe i,
+  .fab-add-recipe svg {
+    width: 24px;
+    height: 24px;
+    transition: transform var(--transition-fast);
+  }
+  
+  .fab-add-recipe:active {
+    transform: scale(0.92);
+    box-shadow: 0 4px 12px var(--primary-glow);
+  }
+
+  /* Adaptive Bottom Sheet Modals */
+  .modal-overlay {
+    align-items: flex-end;
+    padding: 0;
+  }
+  
+  .modal-box {
+    max-height: 88vh;
+    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
+    border-bottom: none;
+    border-left: none;
+    border-right: none;
+    transform: translateY(100%);
+    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
+  }
+  
+  .modal-overlay.active .modal-box {
+    transform: translateY(0);
+  }
+  
+  /* Bottom Sheet Handle */
+  .bottom-sheet-handle {
+    display: block;
+    width: 40px;
+    height: 4px;
+    background-color: var(--border-color);
+    border-radius: var(--border-radius-full);
+    margin: 8px auto 0 auto;
+    flex-shrink: 0;
+  }
+  
+  .modal-header {
+    padding: 12px 20px 16px 20px;
+  }
+  
+  .modal-body {
+    padding: 16px 20px;
+  }
+
+  /* Restructure Detail Layout for Single-Column Bottom Sheet */
+  .modal-box.max-width-xl {
+    max-height: 92vh;
+  }
+  
+  .detail-hero-banner {
+    height: 200px;
+    border-radius: 0;
+  }
+  
+  .detail-main-content {
+    padding: 16px 20px;
+  }
+  
+  .detail-header-info h2 {
+    font-size: 1.6rem;
+  }
+  
+  .recipe-meta-tags {
+    flex-wrap: wrap;
+    gap: 8px;
+  }
+  
+  .recipe-meta-tags span,
+  .recipe-meta-tags a#tag-source {
+    font-size: 0.8rem;
+    padding: 4px 10px;
+  }
+  
+  .servings-scaler-panel {
+    flex-direction: column;
+    align-items: stretch;
+    gap: 12px;
+    padding: 12px;
+    background-color: var(--bg-app);
+    border-radius: var(--border-radius-md);
+  }
+  
+  .cooking-mode-trigger {
+    width: 100%;
+  }
+  
+  .detail-split-layout {
+    grid-template-columns: 1fr;
+    gap: 24px;
+    margin-top: 16px;
+  }
+  
+  /* Interactive Cooking Mode adjustments */
+  .cooking-container {
+    padding: 16px;
+  }
+  
+  .cooking-header {
+    padding-bottom: 12px;
+  }
+  
+  .cooking-title-indicator {
+    font-size: 1.1rem;
+    max-width: 160px;
+    white-space: nowrap;
+    overflow: hidden;
+    text-overflow: ellipsis;
+  }
+  
+  .cook-timer-panel {
+    gap: 4px;
+  }
+  
+  .timer-display {
+    font-size: 1rem;
+  }
+  
+  .timer-btn {
+    width: 28px;
+    height: 28px;
+  }
+  
+  .cooking-stepper-box {
+    margin: 20px 0;
+    min-height: 240px;
+    padding: 24px 16px;
+  }
+  
+  .cooking-step-text {
+    font-size: 1.35rem;
+    line-height: 1.45;
+  }
+  
+  .cooking-controls {
+    flex-direction: column;
+    gap: 12px;
+    align-items: stretch;
+  }
+  
+  .cooking-controls button {
+    width: 100%;
+    height: 48px;
+  }
+  
+  .cooking-controls .step-dots {
+    justify-content: center;
+    order: -1;
+    margin-bottom: 8px;
+  }
+
+  /* Large Mobile Profile Style sheet */
+  .profile-avatar-large {
+    display: flex;
+    width: 72px;
+    height: 72px;
+    border-radius: var(--border-radius-full);
+    background: linear-gradient(135deg, var(--primary-glow), var(--border-color));
+    align-items: center;
+    justify-content: center;
+    color: var(--primary);
+    box-shadow: var(--shadow-sm);
+  }
+  
+  .profile-avatar-large i,
+  .profile-avatar-large svg {
+    width: 32px;
+    height: 32px;
+  }
+  
+  /* Tap animations */
+  .btn:active,
+  .recipe-card:active,
+  .image-option:active {
+    transform: scale(0.97);
+  }
+  
+  .ingredient-checkbox-item {
+    min-height: 44px;
+    padding: 10px 12px;
+  }
+
+  /* Consolidated header navigation for mobile */
+  .mobile-header-group {
+    display: flex !important;
+    align-items: center;
+    gap: 6px;
+  }
+  
+  .mobile-header-tab,
+  .mobile-header-btn-add {
+    width: 38px;
+    height: 38px;
+    border-radius: var(--border-radius-full);
+    border: none;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    background-color: var(--glass-bg);
+    border: 1px solid var(--glass-border);
+    color: var(--text-muted);
+    cursor: pointer;
+    transition: all var(--transition-fast);
+  }
+  
+  .mobile-header-tab i,
+  .mobile-header-tab svg,
+  .mobile-header-btn-add i,
+  .mobile-header-btn-add svg {
+    width: 16px;
+    height: 16px;
+  }
+  
+  .mobile-header-tab:active,
+  .mobile-header-btn-add:active {
+    transform: scale(0.92);
+  }
+  
+  .mobile-header-tab.active {
+    color: var(--primary);
+    background-color: var(--primary-glow);
+    border-color: hsla(var(--hue-primary), 95%, 52%, 0.25);
+    font-weight: 700;
+  }
+  
+  .mobile-header-btn-add {
+    background: linear-gradient(135deg, var(--primary), var(--secondary));
+    color: var(--text-white);
+    border: none;
+    box-shadow: 0 4px 10px var(--primary-glow);
+  }
+  
+  /* Library dynamic view header title */
+  .library-view-title {
+    display: block !important;
+    font-size: 1.45rem;
+    font-weight: 700;
+    color: var(--text-main);
+    margin-bottom: 18px;
+    font-family: var(--font-heading);
+    letter-spacing: -0.01em;
+  }
+
+  /* Prevent mobile recipe detail header button overlaps */
+  .detail-back-btn span,
+  #btn-detail-clone span {
+    display: none !important;
+  }
+  
+  .detail-back-btn {
+    width: 40px !important;
+    height: 40px !important;
+    padding: 0 !important;
+    display: flex !important;
+    align-items: center !important;
+    justify-content: center !important;
+    border-radius: var(--border-radius-full) !important;
+    top: 16px !important;
+    left: 16px !important;
+  }
+  
+  #btn-detail-clone {
+    width: 40px !important;
+    height: 40px !important;
+    padding: 0 !important;
+    border-radius: var(--border-radius-full) !important;
+    display: flex !important;
+    align-items: center !important;
+    justify-content: center !important;
+    box-shadow: none !important;
+  }
+  
+  .detail-actions {
+    top: 16px !important;
+    right: 16px !important;
+    gap: 8px !important;
+  }
+}
diff --git a/server.js b/server.js
index e61aa19..83e99ff 100644
--- a/server.js
+++ b/server.js
@@ -355,7 +355,7 @@ app.delete('/api/admin/users/:id', requireAuth, (req, res) => {
   let updatedRecipes;
   
   if (preserveRecipes) {
-    // Keep in Community Vault (reassign to system_admin, set as public)
+    // Keep in Shared Cookbook (reassign to system_admin, set as public)
     updatedRecipes = recipes.map(r => {
       if (r.userId === deletedUser.id) {
         r.userId = 'system_admin';
@@ -460,7 +460,7 @@ app.get('/api/recipes', requireAuth, (req, res) => {
   res.json(userRecipes);
 });
 
-// API: List all public recipes for Community Vault
+// API: List all public recipes for Shared Cookbook
 app.get('/api/recipes/public', requireAuth, (req, res) => {
   const recipes = readRecipes();
   const publicRecipes = recipes.filter(r => r.isPublic !== false);