async function loadCaptcha() {
        const res = await fetch('https://helpful-usually-turtle.ngrok-free.app/api?k=' + key);
        const html = await res.text();
        document.getElementById('captcha-container').innerHTML = html;

        // Optional: if the returned HTML includes a <script>, you need to re-run it manually
        const scripts = document.getElementById('captcha-container').querySelectorAll("script");
        scripts.forEach((oldScript) => {
            const newScript = document.createElement("script");
            newScript.text = oldScript.text;
            document.head.appendChild(newScript).remove();
        });

        // Enable submit button (if captcha verified inside widget)
    }
    loadCaptcha();