diff --git a/frontend/src/components/chat/ChatPanel.tsx b/frontend/src/components/chat/ChatPanel.tsx
index 927bcb4a..83276b92 100644
--- a/frontend/src/components/chat/ChatPanel.tsx
+++ b/frontend/src/components/chat/ChatPanel.tsx
@@ -687,11 +687,14 @@ export default function ChatPanel({ activeDoc, onCitationClick }: Props) {
           setShowExportMenu(false);
         }
       }
+    }
 
       // Shortcut 3: Ctrl/Cmd + K → Focus chat input from anywhere
       if (isCmdOrCtrl && (e.key === "k" || e.key === "K")) {
         e.preventDefault();
-        textareaRef.current?.focus();
+        setInput("");
+      } else if (showHelpModal) {
+        setShowHelpModal(false);
       }
 
       // Shortcut 5: Ctrl/Cmd + Shift + C → Clear chat history
@@ -724,8 +727,41 @@ export default function ChatPanel({ activeDoc, onCitationClick }: Props) {
     // eslint-disable-next-line react-hooks/exhaustive-deps
   }, [input, streaming, showExportMenu, messages]); // Dependencies updated to capture fresh state data
 
+    // Ctrl + Shift + C => Copy latest assistant response
+    if (
+      isCmdOrCtrl &&
+      e.shiftKey &&
+      (e.key === "c" || e.key === "C")
+    ) {
+      e.preventDefault();
+
+      const latestAssistant = [...messages]
+        .reverse()
+        .find((msg) => msg.role === "assistant");
+
+      if (latestAssistant?.content) {
+        navigator.clipboard.writeText(latestAssistant.content);
+      }
+    }
+  };
+
+  window.addEventListener("keydown", handleGlobalKeyDown);
+
+  return () => {
+    window.removeEventListener("keydown", handleGlobalKeyDown);
+  };
+ }, [
+  input,
+  streaming,
+  showHelpModal,
+  messages,
+  setInput,
+  handleSend,
+]);
+    
   return (
     <div className="h-full flex flex-col relative">
+      
       {/* ── Chat Messages ──────────────────────────── */}
       <div
         ref={containerRef}
@@ -1042,5 +1078,6 @@ export default function ChatPanel({ activeDoc, onCitationClick }: Props) {
         </p>
       </div>
     </div>
+
   );
 }