Design Systems

What is a Design System?

A collection of reusable components, guided by clear standards, that can be assembled to build applications.

Components

Atomic Design

Atoms: Basic building blocks

• Buttons, inputs, labels, icons

Molecules: Simple combinations

• Search bar (input + button)

• Form field (label + input + error)

Organisms: Complex components

• Header, sidebar, card

Templates: Page layouts

• Dashboard, settings page

Pages: Specific instances

• User dashboard, admin settings

Design Tokens

{ "color": { "primary": { "50": "#f0f9ff", "500": "#0ea5e9", "900": "#0c4a6e" }, "neutral": { "100": "#f5f5f5", "900": "#171717" } }, "spacing": { "1": "0.25rem", "2": "0.5rem", "4": "1rem", "8": "2rem" }, "font": { "family": { "sans": "Inter, sans-serif", "mono": "JetBrains Mono, monospace" }, "size": { "sm": "0.875rem", "base": "1rem", "lg": "1.125rem" } }, "radius": { "sm": "0.25rem", "md": "0.375rem", "lg": "0.5rem" } }

Component API

interface ButtonProps { variant: 'primary' | 'secondary' | 'ghost'; size: 'sm' | 'md' | 'lg'; disabled?: boolean; loading?: boolean; leftIcon?: ReactNode; rightIcon?: ReactNode; children: ReactNode; onClick?: () => void; }

Documentation

Each component should document:

• Usage: When to use

• Props: Available options

• Examples: Common patterns

• Accessibility: A11y considerations

• Do/Don't: Best practices

Resources

• Design Framework Template