chat.html

<!DOCTYPE html>
<html>
<head>
    <title>Steam Chat Room</title>
    <style>
        body {
            font-family: 'Arial', sans-serif;
            background: linear-gradient(135deg, #1f1f1f, #484848);
            color: #d1d1d1;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            align-items: center;
            height: 100vh;
        }
        #messages {
            list-style-type: none;
            overflow-y: auto;
            flex-grow: 1;
            width: calc(90% - 220px);
            max-width: 800px;
            margin-top: 20px;
            background-color: #282c34;
            padding: 20px;
            border-radius: 10px;
            box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
        }
        #messages li {
            padding: 5px 10px;
            background-color: #3a3f4b;
            border-radius: 5px;
            margin-bottom: 10px;
            border-left: 3px solid #0fba72;
        }
        #form {
            width: calc(90% - 220px);
            max-width: 800px;
            margin: 10px 0;
            display: flex;
        }
        #input {
            flex-grow: 1;
            padding: 10px;
            margin-right: 10px;
            border-radius: 5px;
            border: 1px solid #333;
            background: #222;
            color: #d1d1d1;
        }
        #form button {
            width: 100px;
            background: #0fba72;
            border: none;
            padding: 10px;
            border-radius: 5px;
            color: white;
            cursor: pointer;
        }
        #form button:hover {
            background: #0da060;
        }
        #online-users {
            width: 200px;
            height: calc(100vh - 20px);
            position: fixed;
            right: 10px;
            top: 10px;
            background-color: #20232a;
            padding: 10px;
            border-radius: 5px;
            color: white;
            overflow-y: auto;
        }
        a {
            color: #4fa9ff;
            text-decoration: none;
        }
        a:hover {
            text-decoration: underline;
        }
    </style>
</head>
<body>
    <ul id="messages"></ul>
    <div id="online-users">Online Users:</div>
    <form id="form" action="">
        <input id="input" autocomplete="off" placeholder="Type a message..." /><button>Send</button>
    </form>
    <script src="/socket.io/socket.io.js"></script>
    <script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
    <script>
        $(function () {
            var socket = io();

            $('#form').submit(function(e) {
                e.preventDefault();
                var message = $('#input').val();
                if (message.trim() !== '') {
                    socket.emit('chat message', message);
                    $('#input').val('');
                }
            });

            socket.on('chat message', function(data) {
                const steamProfileUrl = `https://steamcommunity.com/profiles/${data.steamId}`;
                $('#messages').append(
                    $('<li>').html(`<a href="${steamProfileUrl}" target="_blank">${data.user}</a>: ${data.message}`)
                );
                $('#messages').scrollTop($('#messages')[0].scrollHeight);
            });

            socket.on('online users', function(users) {
                $('#online-users').html('Online Users:<br>' + users.join('<br>'));
            });
        });
    </script>
</body>
</html>