diff --git a/chrom-ext/content.js b/chrom-ext/content.js
index 0f32c8b..f46b891 100644
--- a/chrom-ext/content.js
+++ b/chrom-ext/content.js
@@ -60,7 +60,7 @@
         return [...TONE_BASE];
     }
     function getAngles(tone) {
-        return tone === 'EMPATHETIC' ? [...ANGLE_DEFAULT,...ANGLE_EMPATHY] : [...ANGLE_DEFAULT];
+        return tone === 'EMPATHETIC' ? [...ANGLE_DEFAULT, ...ANGLE_EMPATHY] : [...ANGLE_DEFAULT];
     }
 
     // ===== A. CAPTURE TWEET =====
@@ -99,9 +99,8 @@
         return false;
     });
 
-    // ===== C. TYPING ENGINE (VIẾT LẠI) =====
+    // ===== C. TYPING ENGINE =====
     async function simulateHumanTyping(fullText) {
-        // Tìm ô reply của X
         let editor =
             document.querySelector('[data-testid="tweetTextarea_0"]') ||
             document.querySelector('div[contenteditable="true"][role="textbox"]');
@@ -114,7 +113,6 @@
         editor.focus();
         editor.click();
 
-        // Reset sạch: xóa hết, tạo 1 TextNode duy nhất để dễ manipulate
         editor.textContent = '';
         const textNode = document.createTextNode('');
         editor.appendChild(textNode);
@@ -128,17 +126,13 @@
 
         for (let i = 0; i < fullText.length; i++) {
             const char = fullText[i];
-
-            // 1. Thêm ký tự vào TextNode
             textNode.nodeValue += char;
 
-            // 2. Đẩy cursor về cuối
             range.setEnd(textNode, textNode.nodeValue.length);
             range.collapse(false);
             sel.removeAllRanges();
             sel.addRange(range);
 
-            // 3. Báo cho React/Draft.js biết DOM đã đổi
             editor.dispatchEvent(new InputEvent('input', {
                 bubbles: true,
                 cancelable: true,
@@ -146,7 +140,6 @@
                 data: char
             }));
 
-            // 4. Delay như người gõ thật
             let delay = 30 + Math.random() * 50;
             if (char === ' ') delay += 40 + Math.random() * 40;
             if ('.!?,'.includes(char)) delay += 120 + Math.random() * 200;
@@ -154,7 +147,6 @@
             await new Promise(r => setTimeout(r, delay));
         }
 
-        // Final change event
         editor.dispatchEvent(new Event('change', { bubbles: true }));
         return true;
     }
@@ -206,6 +198,8 @@
       button.primary:disabled { background: #8ecdf7; cursor: default; }
       button.green { background: #17bf63 !important; }
       button.green:hover { background: #15a857 !important; }
+      button.gray { background: #536471 !important; }
+      button.gray:hover { background: #3e4e56 !important; }
       .status { display: none; padding: 12px; border-radius: 10px; font-size: 14px; line-height: 1.5;
                 white-space: pre-wrap; word-break: break-word; }
       .status.ok { background: #e8f6fe; border: 1px solid #b4dffc; }
@@ -216,6 +210,8 @@
       .typing-opts.visible { display: flex; }
       .check-row { display: flex; align-items: center; gap: 8px; font-size: 13px; color: #0f1419; cursor: pointer; }
       .check-row input { cursor: pointer; }
+      .btn-row { display: flex; gap: 8px; }
+      .btn-row .primary { flex: 1; margin-top: 0; }
     `;
 
         const fab = document.createElement('button');
@@ -254,7 +250,10 @@
             <input type="checkbox" id="ai-typing" checked>
             <span>Giả lập gõ như người thật (từ từ)</span>
           </label>
-          <button class="primary green" id="ai-paste">📥 Dán vào ô reply</button>
+          <div class="btn-row">
+            <button class="primary gray" id="ai-copy">📋 Copy</button>
+            <button class="primary green" id="ai-paste">📥 Dán vào ô reply</button>
+          </div>
           <div style="font-size:12px;color:#536471;text-align:center;">
             💡 Nếu chưa mở ô reply, hãy bấm Reply trước!
           </div>
@@ -311,6 +310,7 @@
         const typingOpts = drawer.querySelector('#ai-typing-opts');
         const typingChk  = drawer.querySelector('#ai-typing');
         const pasteBtn   = drawer.querySelector('#ai-paste');
+        const copyBtn    = drawer.querySelector('#ai-copy');
 
         function populateSelect(sel, items, selectedValue) {
             sel.innerHTML = items.map(it => `<option value="${it.value}">${it.text}</option>`).join('');
@@ -365,6 +365,27 @@
             );
         });
 
+        // COPY BUTTON
+        copyBtn.addEventListener('click', async () => {
+            const text = statusEl.textContent;
+            if (!text || text.startsWith('⏳') || text.startsWith('Lỗi') || text.startsWith('⚠️')) {
+                const old = copyBtn.textContent;
+                copyBtn.textContent = '⚠️ Chưa có nội dung!';
+                setTimeout(() => copyBtn.textContent = old, 1200);
+                return;
+            }
+            try {
+                await navigator.clipboard.writeText(text);
+                const old = copyBtn.textContent;
+                copyBtn.textContent = '✅ Đã copy!';
+                setTimeout(() => copyBtn.textContent = old, 1200);
+            } catch (e) {
+                const old = copyBtn.textContent;
+                copyBtn.textContent = '❌ Lỗi copy';
+                setTimeout(() => copyBtn.textContent = old, 1200);
+            }
+        });
+
         // PASTE BUTTON
         pasteBtn.addEventListener('click', async () => {
             const text = statusEl.textContent;
@@ -380,7 +401,7 @@
                 if (typingChk.checked) {
                     pasteBtn.textContent = '⌨️ Đang gõ...';
                     const ok = await simulateHumanTyping(text);
-                    if (ok) drawer.classList.remove('open'); // thu sidebar để người dùng thấy reply
+                    if (ok) drawer.classList.remove('open');
                 } else {
                     await navigator.clipboard.writeText(text);
                     alert('✅ Đã copy vào clipboard!\n\nBạn tự dán vào ô reply nhé.');
diff --git a/chrom-ext/icons/icon.png b/chrom-ext/icons/icon.png
new file mode 100644
index 0000000..a014abc
Binary files /dev/null and b/chrom-ext/icons/icon.png differ