frontend/src/main.tsx

import React from "react";
import ReactDOM from "react-dom/client";

import { App } from "@/App";
import "@/styles/index.css";

const rootElement = document.getElementById("root");
if (!rootElement) {
  throw new Error("Root element #root is missing in index.html.");
}

ReactDOM.createRoot(rootElement).render(
  <React.StrictMode>
    <App />
  </React.StrictMode>,
);