Designed Around the Day, Not a Sidebar

When you vibe-code an app, you constantly ask yourself (or at least I do) - if all the code is written by machines, what exactly do I bring to the table? What makes your app unique, if everyone can do the same now?My answer to this question is vision and opinion.Opinionated software is the best kind of software, so that's what Daymark is. “I know better” isn’t usually the best approach, but when it comes to vibe coding, it might be.When you hear “Markdown note-taking app,” you probably imagine a list or file tree in the sidebar on the left and an editor on the right. You know, the usual.So one of the main challenges with Daymark was figuring out how to design a note-taking app without a sidebar. What are its main affordances? What does the interface lean on when there’s no permanent navigation panel? And, most importantly, what do you build the whole app around?Enter the calendar.A calendar is a natural way to think about time, and it’s already deeply ingrained in how we organise our…