add popup, table & chart

frontend/src/components/Modal.tsx

@@ -0,0 +1,29 @@
+"use client";
+
+import React from "react";
+
+interface ModalProps {
+  isOpen: boolean;
+  onClose: () => void;
+  children: React.ReactNode;
+}
+
+const Modal: React.FC<ModalProps> = ({ isOpen, onClose, children }) => {
+  if (!isOpen) return null;
+
+  return (
+    <div className="fixed inset-0 bg-black bg-opacity-50 flex justify-center items-center z-50">
+      <div className="bg-white p-6 rounded-lg shadow-lg w-3/4 max-w-4xl relative">
+        <button
+          onClick={onClose}
+          className="absolute top-2 right-2 bg-red-500 text-white p-1 rounded"
+        >
+          ✖
+        </button>
+        {children}
+      </div>
+    </div>
+  );
+};
+
+export default Modal;