feat: improve header and add calendar button

auth.css

@@ -117,14 +117,108 @@
 .user-details {
     display: flex;
     align-items: center;
-    gap: 10px;
+    gap: 15px;
+    flex-wrap: wrap;
 }
 
 .user-details span {
     font-weight: 500;
     font-size: 0.9rem;
+    white-space: nowrap;
 }
 
+/* Header buttons container */
+.header-buttons {
+    display: flex;
+    align-items: center;
+    gap: 8px;
+}
+
+/* Header button styles */
+.header-btn {
+    padding: 6px 12px;
+    background: rgba(255, 255, 255, 0.2);
+    color: white;
+    border: 1px solid rgba(255, 255, 255, 0.3);
+    border-radius: 6px;
+    cursor: pointer;
+    font-size: 0.8rem;
+    transition: all 0.3s ease;
+    backdrop-filter: blur(10px);
+    white-space: nowrap;
+    min-height: 32px;
+}
+
+.header-btn:hover {
+    background: rgba(255, 255, 255, 0.3);
+    transform: translateY(-1px);
+}
+
+.header-btn.logout:hover {
+    background: rgba(255, 107, 107, 0.3);
+    border-color: rgba(255, 107, 107, 0.5);
+}
+
+/* Mobile menu toggle button */
+.mobile-menu-toggle {
+    display: none;
+    padding: 8px 12px;
+    background: rgba(255, 255, 255, 0.2);
+    color: white;
+    border: 1px solid rgba(255, 255, 255, 0.3);
+    border-radius: 6px;
+    cursor: pointer;
+    font-size: 1.2rem;
+    transition: all 0.3s ease;
+    backdrop-filter: blur(10px);
+}
+
+.mobile-menu-toggle:hover {
+    background: rgba(255, 255, 255, 0.3);
+}
+
+/* Mobile dropdown menu */
+.mobile-menu {
+    position: absolute;
+    top: 100%;
+    right: 0;
+    background: rgba(103, 126, 234, 0.95);
+    backdrop-filter: blur(15px);
+    border: 1px solid rgba(255, 255, 255, 0.2);
+    border-radius: 8px;
+    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
+    z-index: 1000;
+    min-width: 160px;
+    margin-top: 8px;
+}
+
+.mobile-menu-item {
+    display: block;
+    width: 100%;
+    padding: 12px 16px;
+    background: transparent;
+    color: white;
+    border: none;
+    text-align: left;
+    cursor: pointer;
+    font-size: 0.9rem;
+    transition: all 0.2s ease;
+    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
+}
+
+.mobile-menu-item:last-child {
+    border-bottom: none;
+}
+
+.mobile-menu-item:hover {
+    background: rgba(255, 255, 255, 0.2);
+}
+
+.mobile-menu-item.logout:hover {
+    background: rgba(255, 107, 107, 0.3);
+}
+
+/* Legacy support for existing logout-btn class */
 .logout-btn {
     padding: 6px 12px;
     background: rgba(255, 255, 255, 0.2);
@@ -201,11 +295,13 @@
 @media (max-width: 768px) {
     .auth-header {
         padding: 10px 0;
+        position: relative;
     }
 
     .auth-container {
         min-height: 45px;
         padding: 0 12px;
+        position: relative;
     }
     
     .logo {
@@ -216,13 +312,18 @@
         font-size: 1.1rem;
     }
     
-    .auth-section,
+    .auth-section {
-    .user-info {
         order: 2;
         width: 100%;
         justify-content: center;
     }
     
+    .user-info {
+        order: 2;
+        position: relative;
+        width: auto;
+    }
+    
     .auth-form,
     .settings-form {
         min-width: 280px;
@@ -230,6 +331,52 @@
     }
     
     .user-details {
-        gap: 8px;
+        gap: 10px;
+        position: relative;
+    }
+    
+    .user-details span {
+        font-size: 0.8rem;
+    }
+    
+    /* Hide desktop buttons on mobile */
+    .header-buttons {
+        display: none;
+    }
+    
+    /* Show mobile menu toggle */
+    .mobile-menu-toggle {
+        display: block !important;
+    }
+    
+    /* Ensure mobile menu appears correctly */
+    .mobile-menu {
+        right: 0;
+        width: 180px;
+    }
+}
+
+/* For very small screens */
+@media (max-width: 480px) {
+    .auth-container {
+        padding: 0 8px;
+        flex-wrap: wrap;
+        justify-content: space-between;
+    }
+    
+    .user-details span {
+        font-size: 0.75rem;
+        max-width: 150px;
+        overflow: hidden;
+        text-overflow: ellipsis;
+    }
+    
+    .mobile-menu {
+        width: 160px;
+        right: -10px;
+    }
+    
+    .logo h2 {
+        font-size: 1rem;
     }
 }

index.html

@@ -79,8 +79,19 @@
             <div id="user-info" class="user-info hidden">
                 <div class="user-details">
                     <span id="userName">Welcome, User!</span>
-                    <button id="settingsBtn" class="logout-btn">Settings</button>
+                    <div class="header-buttons">
-                    <button id="logoutBtn" class="logout-btn">Logout</button>
+                        <button id="calendarBtn" class="header-btn">📅 Calendar</button>
+                        <button id="settingsBtn" class="header-btn">⚙️ Settings</button>
+                        <button id="logoutBtn" class="header-btn logout">🚪 Logout</button>
+                    </div>
+                </div>
+                <!-- Mobile menu toggle -->
+                <button id="mobileMenuToggle" class="mobile-menu-toggle hidden">☰</button>
+                <!-- Mobile dropdown menu -->
+                <div id="mobileMenu" class="mobile-menu hidden">
+                    <button id="calendarBtnMobile" class="mobile-menu-item">📅 Calendar</button>
+                    <button id="settingsBtnMobile" class="mobile-menu-item">⚙️ Settings</button>
+                    <button id="logoutBtnMobile" class="mobile-menu-item logout">🚪 Logout</button>
                 </div>
             </div>
         </div>

src/index.ts

@@ -213,7 +213,7 @@ async function handleLogout() {
 }
 
 async function handleSettings() {
-  const showSettings = getButtonById('settingsBtn').textContent === 'Settings';
+  const showSettings = getButtonById('settingsBtn').textContent === 'Settings' || getButtonById('settingsBtn').textContent === '⚙️ Settings';
 
   if (showSettings) {
     showLoading();
@@ -251,7 +251,46 @@ async function handleSettings() {
   else {
     appContent?.classList.remove('hidden');
     settingsContent?.classList.add('hidden');
-    getButtonById('settingsBtn').textContent = 'Settings';
+    getButtonById('settingsBtn').textContent = '⚙️ Settings';
+  }
+}
+
+// Handle settings for mobile (same logic but different button)
+async function handleSettingsMobile() {
+  closeMobileMenu();
+  await handleSettings();
+}
+
+// Handle calendar button - scroll to calendar section
+function handleCalendar() {
+  const calendarSection = document.querySelector('.calendar-section') as HTMLElement;
+  if (calendarSection) {
+    calendarSection.scrollIntoView({ 
+      behavior: 'smooth',
+      block: 'start'
+    });
+  }
+}
+
+// Handle calendar for mobile
+function handleCalendarMobile() {
+  closeMobileMenu();
+  handleCalendar();
+}
+
+// Toggle mobile menu
+function toggleMobileMenu() {
+  const mobileMenu = document.getElementById('mobileMenu');
+  if (mobileMenu) {
+    mobileMenu.classList.toggle('hidden');
+  }
+}
+
+// Close mobile menu
+function closeMobileMenu() {
+  const mobileMenu = document.getElementById('mobileMenu');
+  if (mobileMenu) {
+    mobileMenu.classList.add('hidden');
   }
 }
 
@@ -408,8 +447,21 @@ const setupEventListeners = () => {
   // Auth forms
   document.getElementById('loginForm')?.addEventListener('submit', handleLogin);
   document.getElementById('registerForm')?.addEventListener('submit', handleRegister);
+  
+  // Desktop header buttons
   document.getElementById('logoutBtn')?.addEventListener('click', handleLogout);
   document.getElementById('settingsBtn')?.addEventListener('click', handleSettings);
+  document.getElementById('calendarBtn')?.addEventListener('click', handleCalendar);
+  
+  // Mobile header buttons
+  document.getElementById('logoutBtnMobile')?.addEventListener('click', handleLogout);
+  document.getElementById('settingsBtnMobile')?.addEventListener('click', handleSettingsMobile);
+  document.getElementById('calendarBtnMobile')?.addEventListener('click', handleCalendarMobile);
+  
+  // Mobile menu toggle
+  document.getElementById('mobileMenuToggle')?.addEventListener('click', toggleMobileMenu);
+  
+  // Settings form
   document.getElementById('settingsForm')?.addEventListener('submit', handleSaveSettings);
 
   // Search functionality
@@ -461,13 +513,26 @@ const setupEventListeners = () => {
     }
   });
 
-  // Click outside to close
+  // Click outside to close search results
   document.addEventListener('click', function(e: Event) {
     const target = e.target as HTMLElement;
     if (!searchResults.contains(target) && !searchInput.contains(target)) {
       hideSearchResults();
     }
   });
+
+  // Click outside to close mobile menu
+  document.addEventListener('click', function(e: Event) {
+    const target = e.target as HTMLElement;
+    const mobileMenu = document.getElementById('mobileMenu');
+    const mobileMenuToggle = document.getElementById('mobileMenuToggle');
+    
+    if (mobileMenu && mobileMenuToggle && 
+        !mobileMenu.contains(target) && 
+        !mobileMenuToggle.contains(target)) {
+      closeMobileMenu();
+    }
+  });
 }
 
 const getCleanName = (foodName: string): string => {