Configurable workbench
Visitors can combine layout personalities, recipes, visual presets, themes, and display modes while the semantic interface remains stable.
Interface Systems Lab
A public engineering lab showing how three focused CSS libraries separate responsive structure, visual identity, and interaction behavior without locking teams into one framework.
- supported design combinations
- 56,000
- independent CSS ownership layers
- 3
- display modes tracked separately
- 3
Problem
What the product needed to solve
Product teams lose time when each screen reinvents spacing, responsive behavior, component paint, and interaction states. A single monolithic theme can reduce duplication, but it also makes adoption, testing, and responsibility harder to reason about when teams only need one part of the system.
Product
How the system responds
Interface Systems Lab makes the ownership model visible and testable. Layout Style CSS owns structure, UI Style Kit CSS owns identity, and Interactive Surface CSS owns behavior. Teams can adopt one package, a useful pair, or the complete stack, then inspect the result through the configurable lab and Component Atlas.
System view
What the platform brings together
Component Atlas
Manifest-backed coverage exposes layout contracts, native HTML styling, semantic selectors, and interaction states instead of relying on a hand-maintained showcase list.
Incremental adoption
Installation examples preserve use-one, use-two, and use-all-three paths so each package remains independently useful.
Public evidence
What you can inspect
- A current local screenshot of the integrated public overview
- Package versions and configuration counts validated against installed manifests
- Public demonstrations for each library plus the complete configurable lab
Three-library system
One section for every ownership layer
The current manifests produce 56,000 supported combinations across layout personalities, recipes, visual presets, and themes. Display modes remain available without inflating that count.
Structure
Layout Style CSS
layout-style-css@3.2.0Responsive shells, wrappers, grids, panes, and layout personalities keep page geometry consistent as content and screens change.
- Layout personalities
- 20
- Layout recipes
- 7
- Structural primitives
- 22
- Responsive wrappers
- 7
Identity
UI Style Kit CSS
ui-style-kit-css@2.4.0Visual presets, color themes, display modes, and semantic component selectors provide the product's paint and visual language.
- Visual presets
- 20
- Color themes
- 20
- Display modes
- 3
- Semantic selectors
- 29
Behavior
Interactive Surface CSS
interactive-surface-css@1.7.0Portable hover, focus-visible, active, pressed, selected, disabled, and feedback states make interaction behavior consistent.
- State variants
- 6
- Interaction levels
- 3
- Stable selectors
- 13
- ARIA hooks
- 6
Inspect the engineering
Explore the interface foundations in action
Open the complete lab or one focused demonstration to see the system respond directly in your browser.
Complete demonstrationInterface Systems LabSee the complete interface foundation working together across responsive layouts, accessible states, and maintainable visual rules.Open live demo ↗Focused demonstrationUI Style Kit CSS demoReview the visual language that keeps color, typography, controls, and common states consistent.Open live demo ↗Focused demonstrationLayout Style CSS demoExplore responsive layout patterns designed to stay clear across desktop, tablet, and mobile screens.Open live demo ↗Focused demonstrationInteractive Surface CSS demoInspect accessible hover, focus, selected, disabled, and feedback states built for consistent interaction.Open live demo ↗
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