The death of flat design
Interfaces went flat because detail was expensive. AI just made detail cheap.
I hate flat interfaces. Grey rectangles, one accent colour, thin icons, and every app looks like a settings page. Software used to feel like objects. Now it feels like forms.
Everyone says flat won because it was better. I think it won because it was cheaper.
Flat won on price
In 2013 Apple shipped iOS 7 and threw out the leather, the felt and the wood. Microsoft had already gone flat with Metro. Google followed with Material Design in 2014. The story was honesty: a screen is a screen, so stop pretending it's a notebook.
Here's the part the story leaves out. Every texture in the old style was painted by hand in Photoshop, exported again for every screen density, then wired in by an engineer. Every new device meant doing it again. That look took teams of designers and engineers years to build and keep alive. A flat rectangle is one line of CSS, and it scales to any screen for free.
Flat wasn't a philosophy. It was a budget, and the philosophy was written afterwards.
What we lost
The leather was bad. Nobody misses the stitching.
What we lost was information. A raised button told you it could be pressed. A shadow told you what was on top. Light came from somewhere, so your eye knew which way was up. Flat design threw out the information together with the decoration.
Now you hover over things to find out whether they're clickable. That's a step backwards, and we called it minimalism.
Detail just got cheap
The cost that killed skeuomorphism is going to zero.
A model can write the shader for a material, the lighting for a scene, and the CSS for a surface that catches the light. It renders at any size, so there's nothing to export. An image model paints a texture in seconds. The slow, expensive part of the old style is now the fast, cheap part.
What used to take a team of designers and engineers months now takes one person and a model.
When detail costs nothing, flat loses its only real argument.
Even Apple is moving back. In 2025 it introduced Liquid Glass: refraction, highlights, depth. Big companies don't change their whole design language for fun.
The catch
Ask a model for an interface today and you get flat, because it learned from ten years of flat. AI makes depth cheap, but it won't choose it for you. That part is still taste.
And skeuomorphism done cheaply is worse than flat. Fake glass on everything, gradients with no light source, shadows pointing in three directions. At that point you'd miss the grey rectangles.
The point was never decoration. It's physics. Things that look pressable are pressable. Materials behave like materials. Light comes from one place. If you can't say where the light comes from, don't add the shadow.
This site
This site has a folder that opens, a badge that hangs on a strap, and a pile of posts you deal out with a click. None of it is necessary. All of it is the point: you can tell what something is, and what it does, just by looking at it.
A few years ago, that much detail would have been months of work for a team. Building with AI is what made it possible for one person.
Or flat wins again
Maybe flat wins again, for the same reason it won the first time: it's easy to keep consistent. Fifty people shipping one product can all draw a grey rectangle the same way. Depth needs someone who owns the light.
But "easy to keep consistent" is not a good enough reason for software to have no soul.
The excuse was cost. The cost is gone.