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archy/.cursor/rules/02-tailwind-styling.mdc
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Dorian c28e6dd811 feat: initialize AIUI monorepo with project rules and core types
Foundation for the next-generation AI content surface UI:
- 16 Cursor rules files covering philosophy, Vue conventions, design system,
  content surfaces, plugin system, AI integration, renderers, security,
  Bitcoin-only policy, dev/prod modes, accessibility, performance, animation,
  mobile UX, and git workflow
- pnpm workspaces + Turborepo monorepo (@aiui/core, @aiui/app)
- Vue 3 + Vite + TypeScript + Tailwind CSS 4
- Core type system: plugins, renderers, messages, content blocks
- Plugin registry with renderer registration
- 50 mock film fixtures with search/filter utilities
- App shell with chat page layout
- Environment config templates

Made-with: Cursor
2026-03-02 14:15:39 +00:00

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---
description: Tailwind CSS utility-first styling conventions for AIUI
globs: "**/*.vue,**/*.css,**/*.ts"
alwaysApply: false
---
# Tailwind CSS Styling
## Utility-First
Use Tailwind utilities directly in templates. Extract to component classes only when a pattern repeats 3+ times.
## 4px Spacing Grid
All spacing follows a 4px base grid:
- 1 = 4px, 2 = 8px, 3 = 12px, 4 = 16px, 5 = 20px, 6 = 24px, 8 = 32px, 12 = 48px, 16 = 64px
## Typography Scale
```
text-xs = 12px (metadata, timestamps)
text-sm = 14px (body text, buttons)
text-base = 16px (default body, inputs)
text-lg = 18px (subtitles)
text-xl = 20px (card titles)
text-2xl = 24px (section headings)
text-3xl = 30px (page headings)
text-4xl = 36px (hero headings)
```
Font weights: `font-normal` (body), `font-medium` (emphasis), `font-semibold` (headings/buttons), `font-bold` (strong emphasis).
## Border Radius
- `rounded-md` (6px) — inputs
- `rounded-lg` (8px) — buttons, standard cards
- `rounded-2xl` (16px) — modern cards, modals
- `rounded-full` — pills, avatars
## Shadows
- `shadow-sm` — subtle elevation
- `shadow-md` — standard card
- `shadow-lg` — modal, dropdown
- `shadow-xl` — hero card
## Glass Morphism
For cards over complex backgrounds:
```html
<div class="bg-white/10 backdrop-blur-sm border border-white/10 rounded-2xl">
```
Never use glass morphism on body text containers or form inputs.
## Responsive — Mobile First
Always write base styles for mobile, enhance with breakpoints:
```html
<div class="text-base md:text-lg lg:text-xl p-4 md:p-6 lg:p-8">
```
Breakpoints: `sm` (640px), `md` (768px), `lg` (1024px), `xl` (1280px), `2xl` (1536px).
## Dark Mode
Use CSS custom properties for theme switching. Both Tailwind `dark:` and custom theme classes supported:
```html
<div class="bg-white dark:bg-gray-900 text-gray-900 dark:text-gray-100">
```
## Gradients for Hierarchy
Use gradients strategically for emphasis, not decoration:
```html
<h2 class="bg-gradient-to-r from-white to-gray-400 bg-clip-text text-transparent">
```
## Hover States
All interactive elements need immediate visual feedback (< 100ms):
```html
<button class="transition-colors duration-200 hover:bg-primary-dark">
```
## Focus States
Always visible focus for accessibility:
```html
<button class="focus:outline-none focus:ring-2 focus:ring-primary focus:ring-offset-2">
```