Tasel1/rblx-fake-login — reverse-engineered prompt

Build me a simple static mock login page that looks like a popular game platform sign in screen for UI practice, but keep it clearly just a demo and not connected to any real account system. I want the page to have a polished background image, clean styling, logo area, username and password fields, a login button, and maybe a few extra links or footer details so it feels believable as a design sample.

Please make it run locally with a tiny server so I can open it in a browser easily, and make sure the styles and images are wired up correctly. If someone submits the form, just show a fake success or error message on the page and do not send, save, or process real credentials anywhere. Keep the code lightweight and easy to edit since I may want to swap the branding, colors, and background later. If needed, look up current HTML and CSS best practices online.