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Add standardized HTMX conventions, interaction patterns, and migration guide for ThrillWiki UX
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docs/design-system/MIGRATION.md
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docs/design-system/MIGRATION.md
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# Design System Migration Guide
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This guide helps migrate from the legacy frontend system to the unified design system.
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## Overview
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The ThrillWiki frontend was consolidated from two parallel systems:
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- **Legacy System** (`/backend/templates/`, `/backend/static/css/`) - HSL-based variables, Font Awesome icons
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- **Modern System** (`/templates/`, `/static/css/`) - RGB hex-based design tokens, SVG icons
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The unified system uses `design-tokens.css` as the single source of truth.
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## CSS Migration
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### Color Variables
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Replace HSL-based variables with design tokens:
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```css
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/* Before (legacy) */
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background-color: hsl(var(--primary));
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color: hsl(var(--primary-foreground));
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/* After (design tokens) */
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background-color: var(--color-primary);
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color: var(--color-primary-foreground);
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```
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### Common Replacements
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| Legacy | Design Token |
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|--------|--------------|
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| `hsl(var(--primary))` | `var(--color-primary)` |
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| `hsl(var(--secondary))` | `var(--color-secondary)` |
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| `hsl(var(--background))` | `var(--color-background)` |
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| `hsl(var(--foreground))` | `var(--color-foreground)` |
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| `hsl(var(--muted))` | `var(--color-muted)` |
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| `hsl(var(--accent))` | `var(--color-accent)` |
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| `hsl(var(--destructive))` | `var(--color-destructive)` |
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| `hsl(var(--border))` | `var(--color-border)` |
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| `hsl(var(--card))` | `var(--color-card)` |
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### Font Variables
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```css
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/* Before */
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font-family: var(--font-sans);
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/* After */
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font-family: var(--font-family-sans);
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```
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### Shadow Variables
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```css
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/* Before */
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box-shadow: var(--shadow);
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/* After */
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box-shadow: var(--shadow-base);
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```
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## Icon Migration
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Replace Font Awesome icons with the SVG icon component:
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```html
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<!-- Before (Font Awesome) -->
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<i class="fa fa-search"></i>
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<i class="fas fa-user"></i>
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<i class="far fa-heart"></i>
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<!-- After (SVG Icon Component) -->
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{% include "components/ui/icon.html" with name="search" %}
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{% include "components/ui/icon.html" with name="user" %}
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{% include "components/ui/icon.html" with name="heart" %}
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```
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### Icon Name Mapping
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| Font Awesome | SVG Icon |
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|--------------|----------|
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| `fa-search` | `search` |
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| `fa-user` | `user` |
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| `fa-users` | `users` |
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| `fa-cog` | `settings` |
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| `fa-heart` | `heart` |
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| `fa-star` | `star` |
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| `fa-home` | `home` |
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| `fa-edit` | `edit` |
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| `fa-trash` | `trash` |
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| `fa-copy` | `copy` |
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| `fa-external-link` | `external-link` |
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| `fa-chevron-down` | `chevron-down` |
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| `fa-chevron-up` | `chevron-up` |
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| `fa-chevron-left` | `chevron-left` |
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| `fa-chevron-right` | `chevron-right` |
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| `fa-check` | `check` |
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| `fa-times` | `close` |
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| `fa-plus` | `plus` |
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| `fa-minus` | `minus` |
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| `fa-bars` | `menu` |
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### Icon Sizes
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```html
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<!-- Before -->
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<i class="fa fa-search fa-sm"></i>
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<i class="fa fa-search fa-lg"></i>
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<i class="fa fa-search fa-2x"></i>
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<!-- After -->
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{% include "components/ui/icon.html" with name="search" size="sm" %}
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{% include "components/ui/icon.html" with name="search" size="lg" %}
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{% include "components/ui/icon.html" with name="search" size="xl" %}
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```
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## Button Migration
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### Basic Buttons
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```html
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<!-- Before -->
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<button class="btn btn-primary">Click Me</button>
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<button class="btn btn-secondary">Click Me</button>
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<button class="btn btn-danger">Delete</button>
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<button class="btn btn-outline">Outline</button>
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<!-- After -->
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{% include "components/ui/button.html" with text="Click Me" variant="default" %}
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{% include "components/ui/button.html" with text="Click Me" variant="secondary" %}
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{% include "components/ui/button.html" with text="Delete" variant="destructive" %}
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{% include "components/ui/button.html" with text="Outline" variant="outline" %}
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```
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### Buttons with Icons
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```html
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<!-- Before -->
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<button class="btn btn-primary">
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<i class="fa fa-search mr-2"></i>
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Search
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</button>
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<!-- After -->
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{% include "components/ui/button.html" with text="Search" icon="search" %}
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```
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### Link Buttons
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```html
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<!-- Before -->
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<a href="/url" class="btn btn-primary">Go</a>
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<!-- After -->
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{% include "components/ui/button.html" with text="Go" href="/url" %}
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```
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## Form Input Migration
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```html
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<!-- Before -->
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<div class="form-group">
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<label for="email">Email</label>
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<input type="email" id="email" name="email" class="form-control" placeholder="Enter email">
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<small class="form-text text-muted">We'll never share your email.</small>
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</div>
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<!-- After -->
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{% include "components/ui/input.html" with
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name="email"
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label="Email"
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type="email"
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placeholder="Enter email"
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hint="We'll never share your email."
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%}
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```
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## Card Migration
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```html
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<!-- Before -->
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<div class="card">
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<div class="card-header">
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<h3 class="card-title">Title</h3>
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</div>
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<div class="card-body">
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<p>Content here</p>
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</div>
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<div class="card-footer">
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<button class="btn">Action</button>
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</div>
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</div>
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<!-- After -->
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{% include "components/ui/card.html" with
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title="Title"
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body_content="<p>Content here</p>"
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footer_content="<button class='btn'>Action</button>"
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%}
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```
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## Modal Migration
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```html
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<!-- Before -->
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<div class="modal" id="myModal">
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<div class="modal-dialog">
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<div class="modal-content">
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<div class="modal-header">
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<h5 class="modal-title">Title</h5>
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<button class="close">×</button>
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</div>
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<div class="modal-body">Content</div>
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<div class="modal-footer">
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<button class="btn">Close</button>
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</div>
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</div>
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</div>
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</div>
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<!-- After -->
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{% include "components/ui/dialog.html" with
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id="myModal"
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title="Title"
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content="Content"
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footer="<button class='btn'>Close</button>"
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%}
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```
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## Alpine.js Migration
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### Store Definitions
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Move inline store definitions to `stores/index.js`:
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```javascript
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// Before (inline in template)
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<script>
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document.addEventListener('alpine:init', () => {
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Alpine.store('theme', {
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isDark: false,
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toggle() { this.isDark = !this.isDark; }
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});
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});
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</script>
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// After (use centralized store)
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// Store is already defined in stores/index.js
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// Access via $store.theme.toggle()
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```
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### Component Definitions
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Move inline component definitions to `alpine-components.js`:
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```javascript
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// Before (inline in template)
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<div x-data="{ open: false }">
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<button @click="open = !open">Toggle</button>
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<div x-show="open">Content</div>
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</div>
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// After (use registered component)
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<div x-data="dropdown()">
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<button @click="toggle()">Toggle</button>
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<div x-show="open">Content</div>
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</div>
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```
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## Alert/Toast Migration
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```html
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<!-- Before -->
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<div class="alert alert-success">
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<strong>Success!</strong> Your action was completed.
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</div>
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<!-- After -->
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<div class="alert alert-success" role="alert">
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<div class="alert-title">Success!</div>
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<div class="alert-description">Your action was completed.</div>
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</div>
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<!-- Or use toast store for dynamic notifications -->
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<script>
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Alpine.store('toast').success('Your action was completed.');
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</script>
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```
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## Responsive Classes Migration
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```html
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<!-- Before -->
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<div class="d-none d-md-block">Hidden on mobile</div>
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<div class="d-md-none">Only on mobile</div>
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<div class="row">
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<div class="col-12 col-md-6">...</div>
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</div>
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<!-- After -->
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<div class="hidden-mobile">Hidden on mobile</div>
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<div class="show-mobile">Only on mobile</div>
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<div class="grid-responsive-2">
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<div>...</div>
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<div>...</div>
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</div>
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```
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## Checklist
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Use this checklist when migrating a template:
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- [ ] Replace HSL color variables with design tokens
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- [ ] Replace Font Awesome icons with SVG icon component
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- [ ] Update button markup to use button component
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- [ ] Update form inputs to use input component
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- [ ] Update cards to use card component
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- [ ] Update modals to use dialog component
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- [ ] Remove inline Alpine.js store definitions
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- [ ] Update responsive classes
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- [ ] Test dark mode appearance
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- [ ] Test focus states for accessibility
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- [ ] Test on mobile viewport
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## Testing Migration
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After migrating, visit `/design-system-test/` to compare your migrated components against the reference implementation.
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## Getting Help
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If you encounter issues during migration:
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1. Check the design system README for component documentation
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2. Review `design-tokens.css` for available tokens
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3. Inspect the design system test page for examples
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