Map function shows only the last id of obj

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Javascript

JSON

React

I use a map function to list products. There is a Details button in that div. There are 30 products in the JSON file. The products are listed properly.
But if I click the Details button in the window showed only the last 30th id of the products.

What I want:
When I click the n-th product shows the n-th id in the details id="window".

GitHub - folza1/react-modulzaro[^]

Could you solve this?

What I have tried:

import "./App.css";
import cart from "./cart.jpg";
import { useState } from "react";

var data = require("./data.json");

function App() {
  const [isShown, setIsShown] = useState(false);

  const handleClick = (event) => {
    setIsShown(true);
  };

  const handleClickClose = (event) => {
    setIsShown(false);
  };

  return (
    <>
      <h1>Termékek</h1>
      <div id="main">
        {data.map((obj) => (
          <div className="divStyle" key={obj.id}>
            <div
              id="thumbNail"
              style={{ backgroundImage: `url(${obj.thumbnail})` }}
            ></div>
            <div id="product">
              <div id="title">
                <p>{obj.title}</p>
              </div>
              <div id="price">
                <p>${obj.price}</p>
              </div>
              <div
                id="cart"
                style={{
                  backgroundImage: `url(${cart})`,
                }}
              ></div>
            </div>
            <div id="reszletek">
              <button id="buttonDetails" onClick={handleClick}>
                Details
              </button>
            </div>
            {isShown && (
              <div id="window" onClick={handleClickClose}>
                <div className="details">{obj.id}</div>
                <div className="close">Close</div>
              </div>
            )}
          </div>
        ))}
      </div>
    </>
  );
}
export default App;