fix: 恢复对话页面头部样式 - 紫色渐变背景 + 搜索按钮 + 新建对话按钮

www/app.js

@@ -198,11 +198,16 @@ function bindPageEvents() {
 function renderChatsPage() {
   return `
     <div class="chats-page">
-      <header class="page-header">
+      <header class="chats-header">
         <h1>对话</h1>
-        <button class="header-btn new-chat-btn" id="newChatBtn" title="新建对话">
-          <svg viewBox="0 0 24 24" width="20" height="20"><path fill="currentColor" d="M19 13h-6v6h-2v-6H5v-2h6V5h2v6h6v2z"/></svg>
-        </button>
+        <div class="chats-header-actions">
+          <button class="chats-header-btn" id="searchToggleBtn" title="搜索">
+            <svg viewBox="0 0 24 24" width="20" height="20"><path fill="currentColor" d="M15.5 14h-.79l-.28-.27C15.41 12.59 16 11.11 16 9.5 16 5.91 13.09 3 9.5 3S3 5.91 3 9.5 5.91 16 9.5 16c1.61 0 3.09-.59 4.23-1.57l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 7 9.5 7 14 9.01 14 9.5 11.99 14 9.5 14z"/></svg>
+          </button>
+          <button class="chats-header-btn" id="newChatBtn" title="新建对话">
+            <svg viewBox="0 0 24 24" width="20" height="20"><path fill="currentColor" d="M19 13h-6v6h-2v-6H5v-2h6V5h2v6h6v2z"/></svg>
+          </button>
+        </div>
       </header>
       
       <div class="chats-content">
@@ -219,6 +224,18 @@ function renderChatsPage() {
           }
         </div>
       </div>
+      
+      <!-- 搜索栏 -->
+      <div class="search-bar" id="searchBar">
+        <div class="search-input-wrapper">
+          <svg viewBox="0 0 24 24" width="20" height="20"><path fill="currentColor" d="M15.5 14h-.79l-.28-.27C15.41 12.59 16 11.11 16 9.5 16 5.91 13.09 3 9.5 3S3 5.91 3 9.5 5.91 16 9.5 16c1.61 0 3.09-.59 4.23-1.57l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 7 9.5 7 14 9.01 14 9.5 11.99 14 9.5 14z"/></svg>
+          <input type="text" id="searchInput" placeholder="搜索对话标题或内容...">
+          <button class="search-close-btn" id="searchCloseBtn">
+            <svg viewBox="0 0 24 24" width="18" height="18"><path fill="currentColor" d="M19 6.41L17.59 5 12 10.59 6.41 5 5 6.41 10.59 12 5 17.59 6.41 19 12 13.41 17.59 19 19 17.59 13.41 12 19 6.41z"/></svg>
+          </button>
+        </div>
+        <div class="search-results" id="searchResults"></div>
+      </div>
     </div>
   `;
 }
@@ -229,6 +246,70 @@ function bindChatsPageEvents() {
     newChatBtn.addEventListener('click', createNewConversation);
   }
   
+  // 搜索功能
+  const searchToggleBtn = document.getElementById('searchToggleBtn');
+  const searchBar = document.getElementById('searchBar');
+  const searchInput = document.getElementById('searchInput');
+  const searchCloseBtn = document.getElementById('searchCloseBtn');
+  const searchResults = document.getElementById('searchResults');
+  
+  if (searchToggleBtn) {
+    searchToggleBtn.addEventListener('click', () => {
+      if (searchBar) {
+        searchBar.classList.add('show');
+        if (searchInput) {
+          searchInput.focus();
+        }
+      }
+    });
+  }
+  
+  if (searchCloseBtn) {
+    searchCloseBtn.addEventListener('click', () => {
+      hideSearchBarInChats();
+    });
+  }
+  
+  if (searchInput) {
+    searchInput.addEventListener('input', (e) => {
+      const keyword = e.target.value.trim();
+      if (keyword) {
+        searchConversations(keyword);
+      } else {
+        if (searchResults) searchResults.innerHTML = '';
+      }
+    });
+    
+    searchInput.addEventListener('keydown', (e) => {
+      if (e.key === 'Escape') {
+        hideSearchBarInChats();
+      }
+    });
+  }
+  
+  if (searchResults) {
+    searchResults.addEventListener('click', (e) => {
+      const item = e.target.closest('.search-result-item');
+      if (item) {
+        const id = item.getAttribute('data-id');
+        hideSearchBarInChats();
+        openConversation(id);
+      }
+    });
+  }
+  
+  function hideSearchBarInChats() {
+    if (searchBar) {
+      searchBar.classList.remove('show');
+    }
+    if (searchInput) {
+      searchInput.value = '';
+    }
+    if (searchResults) {
+      searchResults.innerHTML = '';
+    }
+  }
+  
   const conversationList = document.getElementById('conversationList');
   if (conversationList) {
     conversationList.addEventListener('click', (e) => {