diff --git a/exemplos/A-Galinha-Ruiva-historia-infantil-para-dormir-PDF.pdf b/exemplos/A-Galinha-Ruiva-historia-infantil-para-dormir-PDF.pdf
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diff --git a/exemplos/registro de htpc 30-09-25.docx b/exemplos/registro de htpc 30-09-25.docx
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diff --git a/public/app.js b/public/app.js
index c7a3f86..effddcd 100644
--- a/public/app.js
+++ b/public/app.js
@@ -491,7 +491,7 @@ document.addEventListener('DOMContentLoaded', () => {
     item.dataset.id = chat.id;
 
     const pinIcon = chat.pinned
-      ? `<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="currentColor" class="pin-icon"><path d="M16 12V4h1V2H7v2h1v8l-2 2v2h5.2v6h1.6v-6H18v-2l-2-2z"/></svg>`
+      ? `<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="currentColor" class="pin-icon"><line x1="12" y1="17" x2="12" y2="22" stroke="currentColor" stroke-width="2" stroke-linecap="round"></line><path d="M5 17h14v-1.76a2 2 0 0 0-.44-1.24l-2.78-3.47A2 2 0 0 1 15 9.29V5a2 2 0 0 0-2-2h-2a2 2 0 0 0-2 2v4.29a2 2 0 0 1-.78 1.24L5.44 14a2 2 0 0 0-.44 1.24z" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"></path></svg>`
       : '';
 
     const tagBadges = (chat.tags || []).map(tag =>
@@ -505,17 +505,24 @@ document.addEventListener('DOMContentLoaded', () => {
         ${tagBadges ? `<div class="history-item-tags">${tagBadges}</div>` : ''}
       </div>
       <div class="history-item-actions">
-        <button class="btn-history-action btn-pin-chat" aria-label="${chat.pinned ? 'Desafixar' : 'Fixar'}">
+        <button class="btn-history-action btn-pin-chat" title="${chat.pinned ? 'Desafixar' : 'Fixar'}">
           <svg xmlns="http://www.w3.org/2000/svg" fill="${chat.pinned ? 'currentColor' : 'none'}" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor">
-            <path stroke-linecap="round" stroke-linejoin="round" d="16.689 16.689L19.3 19.3a1 1 0 0 0 1.414-1.414l-1.066-1.066a7.5 7.5 0 1 0-1.66 1.114l1.004 1.004A1 1 0 0 0 19.3 17.886l-.707-.707a1 1 0 0 0-1.414 1.414l.707.707a1 1 0 0 0 1.414-1.414l-.707-.707a1 1 0 0 0-1.414 1.414l.707.707a1 1 0 0 0 1.414-1.414l-.811-.811a7.5 7.5 0 0 0 .11 2.12l.796.796a1 1 0 1 0 1.414-1.414l-.707-.707a1 1 0 0 0-1.414 1.414l.707.707a1 1 0 0 0 1.414-1.414l-.72-.72a7.5 7.5 0 0 0-.47-2.12 1 1 0 0 0-1.89.574l.707.707a1 1 0 0 0 1.414-1.414l-.707-.707a1 1 0 0 0-1.414 1.414l.707.707a1 1 0 0 0 1.414-1.414l-.707-.707a1 1 0 0 0-1.414 1.414l.5.5a1 1 0 1 0 1.414-1.414l-.5-.5a1 1 0 0 0-1.414 1.414l.707.707a1 1 0 0 0-1.414-1.414l-.707.707a1 1 0 0 0 1.414 1.414l.707-.707a1 1 0 0 0-1.414-1.414l-.707.707a1 1 0 0 0 1.414 1.414l.707-.707a1 1 0 0 0-1.414-1.414l-1.004 1.004a1 1 0 0 0 1.89-.574l-.796-.796a7.5 7.5 0 0 0-.11-2.12l.81.811a1 1 0 0 0-1.414-1.414l-.707.707a1 1 0 0 0 1.414 1.414l.707-.707a1 1 0 0 0-1.414-1.414l-.707.707a1 1 0 0 0 1.414 1.414l.72-.72a7.5 7.5 0 0 0 .47 2.12l-.5-.5a1 1 0 1 0-1.414 1.414l.5.5a1 1 0 0 0-1.414-1.414l-.5.5a1 1 0 0 0 1.414 1.414l.707-.707a1 1 0 0 0-1.414-1.414l-.707.707a1 1 0 0 0 1.414 1.414l.707-.707a1 1 0 0 0-1.414-1.414l-1.004 1.004a7.5 7.5 0 1 0 1.66-1.114l-1.004-1.004a1 1 0 1 0-1.414 1.414l1.066 1.066a1 1 0 0 0-1.414-1.414l-1.066 1.066a1 1 0 0 0 1.414-1.414l-3-3z"/>
+            <line x1="12" y1="17" x2="12" y2="22"></line>
+            <path d="M5 17h14v-1.76a2 2 0 0 0-.44-1.24l-2.78-3.47A2 2 0 0 1 15 9.29V5a2 2 0 0 0-2-2h-2a2 2 0 0 0-2 2v4.29a2 2 0 0 1-.78 1.24L5.44 14a2 2 0 0 0-.44 1.24z"></path>
           </svg>
         </button>
-        <button class="btn-history-action btn-rename-chat" aria-label="Renomear">
+        <button class="btn-history-action btn-tag-chat" title="Tags">
+          <svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor">
+            <path stroke-linecap="round" stroke-linejoin="round" d="M9.568 3H5.25A2.25 2.25 0 0 0 3 5.25v4.318c0 .597.237 1.17.659 1.591l9.581 9.581a2.25 2.25 0 0 0 3.181 0l4.318-4.318a2.25 2.25 0 0 0 0-3.181l-9.58-9.581A2.25 2.25 0 0 0 9.568 3Z" />
+            <path stroke-linecap="round" stroke-linejoin="round" d="M6 6h.008v.008H6V6Z" />
+          </svg>
+        </button>
+        <button class="btn-history-action btn-rename-chat" title="Renomear">
           <svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor">
             <path stroke-linecap="round" stroke-linejoin="round" d="m16.862 4.487 1.687-1.688a1.875 1.875 0 1 1 2.652 2.652L10.582 16.07a4.5 4.5 0 0 1-1.897 1.13L6 18l.8-2.685a4.5 4.5 0 0 1 1.13-1.897l8.932-8.931Zm0 0L19.5 7.125M18 14v4.75A2.25 2.25 0 0 1 15.75 21H5.25A2.25 2.25 0 0 1 3 18.75V8.25A2.25 2.25 0 0 1 5.25 6H10" />
           </svg>
         </button>
-        <button class="btn-history-action btn-delete-chat" aria-label="Excluir">
+        <button class="btn-history-action btn-delete-chat" title="Excluir">
           <svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor">
             <path stroke-linecap="round" stroke-linejoin="round" d="m14.74 9-.346 9m-4.788 0L9.26 9m9.968-3.21c.342.052.682.107 1.022.166m-1.022-.165L18.16 19.673a2.25 2.25 0 0 1-2.244 2.077H8.084a2.25 2.25 0 0 1-2.244-2.077L4.772 5.79m14.456 0a48.108 48.108 0 0 0-3.478-.397m-12 .562c.34-.059.68-.114 1.022-.165m0 0a48.11 48.11 0 0 1 3.478-.397m7.5 0v-.916c0-1.18-.91-2.164-2.09-2.201a51.964 51.964 0 0 0-3.32 0c-1.18.037-2.09 1.022-2.09 2.201v.916m7.5 0a48.667 48.667 0 0 0-7.5 0" />
           </svg>
@@ -556,7 +563,8 @@ document.addEventListener('DOMContentLoaded', () => {
         item.addEventListener('click', (e) => {
           if (e.target.closest('.btn-delete-chat')) { e.stopPropagation(); deleteChat(chat.id); return; }
           if (e.target.closest('.btn-pin-chat')) { e.stopPropagation(); togglePin(chat.id); return; }
-          if (e.target.closest('.btn-rename-chat')) { e.stopPropagation(); renameChat(chat.id); return; }
+          if (e.target.closest('.btn-rename-chat')) { e.stopPropagation(); renameChatInline(chat.id, item); return; }
+          if (e.target.closest('.btn-tag-chat')) { e.stopPropagation(); editTags(chat.id); return; }
           selectChat(chat.id);
           toggleSidebar(false);
         });
@@ -584,7 +592,8 @@ document.addEventListener('DOMContentLoaded', () => {
         item.addEventListener('click', (e) => {
           if (e.target.closest('.btn-delete-chat')) { e.stopPropagation(); deleteChat(chat.id); return; }
           if (e.target.closest('.btn-pin-chat')) { e.stopPropagation(); togglePin(chat.id); return; }
-          if (e.target.closest('.btn-rename-chat')) { e.stopPropagation(); renameChat(chat.id); return; }
+          if (e.target.closest('.btn-rename-chat')) { e.stopPropagation(); renameChatInline(chat.id, item); return; }
+          if (e.target.closest('.btn-tag-chat')) { e.stopPropagation(); editTags(chat.id); return; }
           selectChat(chat.id);
           toggleSidebar(false);
         });
@@ -621,13 +630,69 @@ document.addEventListener('DOMContentLoaded', () => {
     renderHistory();
   };
 
-  // Renomear chat
-  const renameChat = (id) => {
+  // Renomear chat inline
+  const renameChatInline = (id, itemElement) => {
     const chat = chats.find(c => c.id === id);
     if (!chat) return;
-    const newTitle = prompt('Novo nome da conversa:', chat.title);
-    if (newTitle && newTitle.trim()) {
-      chat.title = newTitle.trim();
+
+    const titleDiv = itemElement.querySelector('.history-item-title');
+    if (!titleDiv) return;
+
+    const originalTitle = chat.title;
+    const input = document.createElement('input');
+    input.type = 'text';
+    input.className = 'rename-input';
+    input.value = originalTitle;
+
+    // Prevenir clique e propagação para o item
+    input.addEventListener('click', (e) => e.stopPropagation());
+
+    const finishRename = () => {
+      const newTitle = input.value.trim();
+      if (newTitle && newTitle !== originalTitle) {
+        chat.title = newTitle;
+        chat.updatedAt = Date.now();
+        saveChats();
+      }
+      renderHistory();
+    };
+
+    input.addEventListener('keydown', (e) => {
+      if (e.key === 'Enter') {
+        e.preventDefault();
+        finishRename();
+      } else if (e.key === 'Escape') {
+        e.preventDefault();
+        renderHistory();
+      }
+    });
+
+    input.addEventListener('blur', finishRename);
+
+    titleDiv.replaceWith(input);
+    input.focus();
+    input.select();
+  };
+
+  // Gerenciar tags da conversa
+  const editTags = (id) => {
+    const chat = chats.find(c => c.id === id);
+    if (!chat) return;
+
+    const availableTags = ['relatorios', 'planejamento', 'mindlab', 'estudos'];
+    const currentTags = chat.tags || [];
+    
+    // Prompt amigável mostrando opções
+    const promptText = `Atribua tags à conversa.\nOpções válidas: relatorios, planejamento, mindlab, estudos\n(Use vírgula para separar várias tags, ou deixe em branco para limpar):\n`;
+    const tagsStr = prompt(promptText, currentTags.join(', '));
+    
+    if (tagsStr !== null) {
+      const newTags = tagsStr.split(',')
+        .map(t => t.trim().toLowerCase())
+        .filter(t => availableTags.includes(t));
+      
+      chat.tags = newTags;
+      chat.updatedAt = Date.now();
       saveChats();
       renderHistory();
     }
@@ -892,24 +957,23 @@ document.addEventListener('DOMContentLoaded', () => {
     const filesToSend = files || attachedFiles;
     let fullText = text || '';
 
-    // Processar anexos: imagens viram descrição em texto (o modelo não tem visão)
+    // Processar anexos: evitar base64 gigantesco em imagens e erro de leitura binária em PDF/DOCX
     if (filesToSend.length > 0) {
       for (const file of filesToSend) {
         if (file.type.startsWith('image/')) {
-          const reader = new FileReader();
-          const base64 = await new Promise((resolve) => {
-            reader.onload = (e) => resolve(e.target.result);
-            reader.readAsDataURL(file);
-          });
-          fullText += `\n\n[Imagem anexada: ${file.name}]\n\`\`\`\n${base64}\n\`\`\``;
-        } else {
+          // Apenas anexa uma referência textual limpa da imagem para a IA saber que ela existe
+          fullText += `\n\n*[Imagem anexada: ${file.name} (${Math.round(file.size/1024)} KB)]*`;
+        } else if (file.name.endsWith('.txt') || file.name.endsWith('.md') || file.name.endsWith('.json') || file.name.endsWith('.csv') || file.name.endsWith('.js') || file.name.endsWith('.css') || file.name.endsWith('.html')) {
           const reader = new FileReader();
           const content = await new Promise((resolve) => {
             reader.onload = (e) => resolve(e.target.result);
             reader.readAsText(file);
           });
-          const truncated = content.length > 2000 ? content.substring(0, 2000) + '...[arquivo truncado]' : content;
-          fullText += `\n\n[Documento anexo: ${file.name}]\n\`\`\`\n${truncated}\n\`\`\``;
+          const truncated = content.length > 3000 ? content.substring(0, 3000) + '... [conteúdo truncado]' : content;
+          fullText += `\n\n*[Conteúdo do arquivo "${file.name}":]*\n\`\`\`\n${truncated}\n\`\`\``;
+        } else {
+          // Para arquivos binários como PDF/DOCX que não podem ser lidos diretamente como texto cru no frontend
+          fullText += `\n\n*[Arquivo anexado: ${file.name} (${Math.round(file.size/1024)} KB) - formato não textual]*`;
         }
       }
       // Limpar anexos após envio
diff --git a/public/login.html b/public/login.html
index 05dba62..009fdea 100644
--- a/public/login.html
+++ b/public/login.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <html lang="pt-BR">
+
 <head>
   <meta charset="UTF-8">
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
@@ -7,10 +8,13 @@
   <!-- Google Fonts Outfit & Inter -->
   <link rel="preconnect" href="https://fonts.googleapis.com">
   <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
-  <link href="https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Outfit:wght@400;600;700&display=swap" rel="stylesheet">
+  <link
+    href="https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Outfit:wght@400;600;700&display=swap"
+    rel="stylesheet">
   <link rel="stylesheet" href="style.css">
   <link rel="shortcut icon" href="https://chatgpt.com/favicon.ico" type="image/x-icon">
 </head>
+
 <body class="login-body">
   <div class="login-glow"></div>
   <div class="login-container">
@@ -20,29 +24,33 @@
           <img src="assets/camila_prof.png" alt="Camila Reifonas" class="avatar-profile-img">
           <div class="avatar-profile-pulse"></div>
         </div>
-        <h1>Camila AI</h1>
+        <h1>CamiIA</h1>
         <p>Insira a senha de acesso para entrar no workspace</p>
       </div>
-      
+
       <form id="loginForm" class="login-form">
         <div class="input-group">
           <label for="password">Senha do Portal</label>
           <div class="input-wrapper">
-            <input type="password" id="password" required placeholder="Digite a senha..." autocomplete="current-password">
+            <input type="password" id="password" required placeholder="Digite a senha..."
+              autocomplete="current-password">
             <button type="button" id="togglePassword" class="toggle-password" aria-label="Mostrar senha">
-              <svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke-width="1.5" stroke="currentColor">
-                <path stroke-linecap="round" stroke-linejoin="round" d="M2.036 12.322a1.012 1.012 0 0 1 0-.639C3.423 7.51 7.36 4.5 12 4.5c4.638 0 8.573 3.007 9.963 7.178.07.207.07.431 0 .639C20.577 16.49 16.64 19.5 12 19.5c-4.638 0-8.573-3.007-9.963-7.178Z" />
+              <svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke-width="1.5"
+                stroke="currentColor">
+                <path stroke-linecap="round" stroke-linejoin="round"
+                  d="M2.036 12.322a1.012 1.012 0 0 1 0-.639C3.423 7.51 7.36 4.5 12 4.5c4.638 0 8.573 3.007 9.963 7.178.07.207.07.431 0 .639C20.577 16.49 16.64 19.5 12 19.5c-4.638 0-8.573-3.007-9.963-7.178Z" />
                 <path stroke-linecap="round" stroke-linejoin="round" d="M15 12a3 3 0 1 1-6 0 3 3 0 0 1 6 0Z" />
               </svg>
             </button>
           </div>
         </div>
-        
+
         <div id="errorMessage" class="error-message"></div>
-        
+
         <button type="submit" id="btnSubmit" class="btn-submit">
           <span>Entrar no Workspace</span>
-          <svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" class="arrow-icon">
+          <svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor"
+            class="arrow-icon">
             <path stroke-linecap="round" stroke-linejoin="round" d="M13.5 4.5 21 12m0 0-7.5 7.5M21 12H3" />
           </svg>
         </button>
@@ -51,4 +59,5 @@
   </div>
   <script src="login.js"></script>
 </body>
-</html>
+
+</html>
\ No newline at end of file
diff --git a/public/style.css b/public/style.css
index b7ed218..fd98679 100644
--- a/public/style.css
+++ b/public/style.css
@@ -1567,3 +1567,17 @@ code {
   height: 100%;
   object-fit: cover;
 }
+
+/* Rename Input Inline */
+.rename-input {
+  background-color: var(--bg-tertiary) !important;
+  border: 1px solid var(--border-focus) !important;
+  border-radius: 6px !important;
+  color: var(--text-primary) !important;
+  font-size: 13px !important;
+  font-family: var(--font-sans) !important;
+  padding: 4px 6px !important;
+  width: 100% !important;
+  outline: none !important;
+  box-shadow: 0 0 5px var(--brand-glow) !important;
+}