diff --git a/app/InputBackend.tsx b/app/InputBackend.tsx
index ed02d47..44fb740 100644
--- a/app/InputBackend.tsx
+++ b/app/InputBackend.tsx
@@ -26,39 +26,44 @@ const handleCopyClick = () => {
   // Handle copy action
 };
 
-const InputBackend:React.FC = () => {
+const InputBackend: React.FC = () => {
   async function prompt_mistral(model: string, prompt: string, system: string) {
     const apiKey = "m3kZRjN8DRSIo88r8Iti9hmKGWIklrLY";
-    
+
     const client = new Mistral({ apiKey: apiKey });
-    
+
     var chatResponse = await client.chat.complete({
       model: model,
       messages: [{ role: 'user', content: prompt }, { role: 'system', content: system, }],
     });
-    
+
     if (chatResponse && chatResponse.choices && chatResponse.choices.length > 0) {
       if (chatResponse.choices[0].message.content) {
         addMessage('AI: ' + chatResponse.choices[0].message.content);
-        console.error('Error: Brain Not Found');
         console.log(messages)
       }
     } else {
       console.error('Error: Unexpected API response:', chatResponse);
     }
   }
-  
+
   const handleSendClick = (message: string) => {
+    var system = "You are a helpful assistant. The following is the chat history."
+    for (let index = 0; index < messages.length; index++) {
+      system += messages[index] + " ";
+    };
+
     addMessage('User: ' + message);
-    prompt_mistral("mistral-large-latest", message, "You are a helpful assistant.")
+    prompt_mistral("mistral-large-latest", message, system)
   };
+
   const [messages, setMessages] = useState([
     'User: Hello!',
     'AI: Hi there!',
     'User: How are you?',
     'AI: I’m good, thank you!'
   ]);
-  
+
   const addMessage = (message: string) => {
     setMessages((prevMessages) => [...prevMessages, message]);
   };
@@ -69,12 +74,12 @@ const InputBackend:React.FC = () => {
         onResendClick={handleResendClick}
         onEditClick={handleEditClick}
         onCopyClick={handleCopyClick}
-        />
+      />
       <InputFrontend
         message=""
         onSendClick={handleSendClick}
         onMicClick={handleMicClick}
-        />
+      />
     </div>
   );
 };
diff --git a/app/styles/header.css b/app/styles/header.css
index 8ecc019..abb1b66 100644
--- a/app/styles/header.css
+++ b/app/styles/header.css
@@ -10,6 +10,7 @@ header {
     box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
     z-index: 1000;
     font-family: var(--font-family);
+    height: 5vh;
 }
 
 header li {
diff --git a/app/styles/history.css b/app/styles/history.css
index 2aaa58d..d1adcd0 100644
--- a/app/styles/history.css
+++ b/app/styles/history.css
@@ -5,8 +5,9 @@
     overflow: hidden;
     background-color: var(--history-background-color);
     padding: 1em;
-    border-radius: 2em;
     margin: 1em;
+    margin-right: 0;
+    border-radius: 2em;
 }
 
 .history {
diff --git a/app/styles/master.css b/app/styles/master.css
index 4b21879..9223084 100644
--- a/app/styles/master.css
+++ b/app/styles/master.css
@@ -11,3 +11,4 @@
 @import './input.css';
 @import './faq.css';
 @import './scrollbar.css';
+@import './responsive.css';
diff --git a/app/styles/responsive.css b/app/styles/responsive.css
new file mode 100644
index 0000000..4bb6554
--- /dev/null
+++ b/app/styles/responsive.css
@@ -0,0 +1,57 @@
+/* responsive.css */
+
+/* Responsive behavior - applies only on smaller screens */
+@media (max-width: 1200px) {
+
+    /* Left panel as an overlay */
+    .left-panel {
+        margin: 0 auto;
+        min-width: 100vw;
+        max-width: 100vw;
+        padding: 1em;
+    }
+
+    .left-panel.hidden {
+        width: 0;
+        /* Set width to 0 when hidden */
+        visibility: hidden;
+        /* Fully hide the panel */
+        margin: 0;
+        padding: 0;
+        overflow: hidden;
+    }
+
+    header {
+        height: 125px;
+    }
+
+    header li {
+        flex-direction: column;
+        display: block;
+        padding: 2px;
+    }
+
+    body {
+        margin-top: 100px;
+    }
+
+    .conversation-container.expanded {
+
+        width: 0;
+        /* Set width to 0 when hidden */
+        visibility: hidden;
+        /* Fully hide the panel */
+        margin: 0;
+        padding: 0;
+        overflow: hidden;
+    }
+
+    .conversation-container.collapsed {
+        margin: 0 auto;
+        min-width: 100vw;
+        max-width: 100vw;
+        padding: 1em;
+        margin-left: 0;
+
+    }
+}
\ No newline at end of file