DESIGN.md@.agents/tools/design/library/styles/startup-minimal git:20260403.814c0bcA

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# Design System: Startup Minimal

Clean, focused, engineered. Single blue accent (`#2563eb`), near-white backgrounds, razor-thin borders, 4px grid. No gradients, no decorative elements — hierarchy through typography and spacing.

## Chapters

| File | Contents |
|------|----------|
| [01-theme.md](01-theme.md) | Visual theme, atmosphere, key characteristics |
| [02-colours.md](02-colours.md) | Colour palette — primary, text, surface, semantic, shadows |
| [03-typography.md](03-typography.md) | Font families, type scale, typography principles |
| [04-components.md](04-components.md) | Buttons, inputs, links, cards, navigation |
| [05-layout.md](05-layout.md) | Spacing scale, grid, breakpoints, border radius |
| [06-elevation.md](06-elevation.md) | Depth levels, shadow values, elevation principles |
| [07-dos-and-donts.md](07-dos-and-donts.md) | Rules — what to do and what to avoid |
| [08-responsive.md](08-responsive.md) | Breakpoint behaviour, touch targets, mobile rules |
| [09-agent-prompts.md](09-agent-prompts.md) | CSS variable reference, ready-to-use AI prompts |

## Quick Reference

**Accent:** `#2563eb` (blue) — the only colour that matters
**Background:** `#fafafa` page / `#ffffff` surfaces
**Text:** `#18181b` primary / `#71717a` secondary
**Border:** `1px #e5e7eb` everywhere
**Font:** Inter (sans) / Geist Mono (code)
**Grid:** 4px base, 12-column, 1200px max container
**Radius:** 6px default / 8px cards
**Motion:** 150ms ease, state transitions only

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