Rounded the components to 3xl

frontend/src/Navigation.tsx

@@ -247,7 +247,7 @@ export default function Navigation({ navOpen, setNavOpen }: NavigationProps) {
         <div className="flex flex-col-reverse border-b-2">
           <div className="relative my-4 flex gap-2 px-2">
             <div
-              className="flex h-12 w-full cursor-pointer justify-between rounded-3xl rounded-md border-2 bg-white"
+              className="flex h-12 w-full cursor-pointer justify-between rounded-3xl border-2 bg-white"
               onClick={() => setIsDocsListOpen(!isDocsListOpen)}
             >
               {selectedDocs && (

frontend/src/conversation/Conversation.tsx

@@ -154,7 +154,7 @@ export default function Conversation() {
             placeholder="Type your message here..."
             contentEditable
             onPaste={handlePaste}
-            className={`border-000000 overflow-x-hidden; max-h-24 min-h-[2.6rem] w-full overflow-y-auto whitespace-pre-wrap rounded-xl border bg-white py-2 pl-4 pr-9 leading-7 opacity-100 focus:outline-none`}
+            className={`border-000000 overflow-x-hidden; max-h-24 min-h-[2.6rem] w-full overflow-y-auto whitespace-pre-wrap rounded-3xl border bg-white py-2 pl-4 pr-9 leading-7 opacity-100 focus:outline-none`}
             onKeyDown={(e) => {
               if (e.key === 'Enter' && !e.shiftKey) {
                 e.preventDefault();