It’s not very obvious that you can log in to Popcode, or that in general it’s possible to save your work. The most straightforward solution would be to expose a log in button that’s visible by default. Unfortunately, there isn’t a great place to put that in the current layout.
A few ideas, courtesy of @iamnickvolpe:
Always-open header + opening side dashboard
Clicking the gear would reveal the dashboard

Condensed always-open side dashboard

It’s not very obvious that you can log in to Popcode, or that in general it’s possible to save your work. The most straightforward solution would be to expose a log in button that’s visible by default. Unfortunately, there isn’t a great place to put that in the current layout.
A few ideas, courtesy of @iamnickvolpe:
Always-open header + opening side dashboard
Clicking the gear would reveal the dashboard
Condensed always-open side dashboard