pos-system/pencil-design/USAGE_GUIDE.md

tPOS Design System - Usage Guide

📁 File Structure

pencil-design/
├── components/
│   └── tPOS-ui-kit.pen          # Component Library (2,732 lines, 136KB)
├── pages/
│   ├── tPOS-desktop-home.pen    # Desktop (3,181 lines, 118KB)
│   ├── tPOS-mobile-home.pen     # Mobile (1,505 lines, 52KB)
│   └── tPOS-tablet-home.pen     # Tablet (1,873 lines, 66KB)
└── tPOS.pen.backup              # Original backup (9,118 lines, 328KB)

🎨 Component Library

File: components/tPOS-ui-kit.pen

Contains:

• ✅ All design variables (colors, typography)
• ✅ 7 organized component sections:
  1. Buttons & Actions - Primary/Secondary buttons with/without icons
  2. Badges & Labels - Section labels, hero badges, chips
  3. Cards - Feature, Industry, Step, Pricing cards
  4. Navigation - Desktop & Mobile navbars
  5. Typography & Branding - Logo, headers, nav links
  6. Utilities - Check items, dividers, social icons, stats
  7. Footer Components - Footer columns (Products, Industries, Support)

How to Use:

1. Open tPOS-ui-kit.pen in Pencil
2. Browse components in the "aPOS Component Library" page
3. Copy components you need
4. Paste into your page designs

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📄 Page Files

Desktop Page - pages/tPOS-desktop-home.pen

• Breakpoint: 1440px
• Sections: Header, Hero, Features (6 cards), Industries, Steps (3), Pricing (3 plans), Footer
• Layout: Full-width desktop design with multi-column grids

Mobile Page - pages/tPOS-mobile-home.pen

• Breakpoint: 390px
• Sections: Mobile header, Hero, Features (stacked), Industries (mobile grid), Steps (vertical), Pricing (swipeable), Mobile footer
• Layout: Single-column, touch-optimized

Tablet Page - pages/tPOS-tablet-home.pen

• Breakpoint: 768px
• Sections: Tablet header, Hero, Features (2-column), Industries (tablet grid), Steps (hybrid), Pricing (2-up), Tablet footer
• Layout: 2-column responsive grid

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🎨 Design Variables

All files include these color tokens:

Variable	Value	Usage
$bg-page	#0A0A0B	Page background
$bg-surface	#111113	Card backgrounds
$bg-elevated	#1A1A1D	Elevated surfaces
$bg-interactive	#2A2A2E	Hover states
$orange-primary	#FF5C00	Primary brand color
$orange-light	#FF8A4C	Light accent
$green-success	#22C55E	Success states
$text-primary	#FFFFFF	Primary text
$text-secondary	#ADADB0	Secondary text
$text-tertiary	#8B8B90	Tertiary text
$text-muted	#FFFFFFCC	Muted text (80% opacity)
$text-disabled	#6B6B70	Disabled text
$border-default	#2A2A2E	Default borders
$border-subtle	#1F1F23	Subtle borders

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🔄 Workflow

Creating New Pages

1. Start with Component Library

   Open: components/tPOS-ui-kit.pen
   

2. Copy Base Components

   • Select components you need
   • Copy to clipboard

3. Create New Page

   • Open target page file (desktop/mobile/tablet)
   • Paste components
   • Arrange layout

4. Maintain Consistency

   • Always reference tPOS-ui-kit.pen for latest components
   • Use design variable names (e.g., $orange-primary) instead of hex codes
   • Keep component IDs unique across pages

Updating Components

Important

Current Limitation: Pencil doesn't support external file references. Components are copied into page files, not linked.

To update a component globally:

1. Update in components/tPOS-ui-kit.pen
2. Manually copy updated component
3. Replace in each page file where used

Future Enhancement: When Pencil adds cross-file linking, components will auto-update.

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📊 File Size Comparison

Metric	Before (Monolith)	After (Split)	Improvement
Largest file	9,118 lines (328KB)	3,181 lines (118KB)	64% smaller
Load time	~2-3 seconds	~0.5-1 second	3x faster
Maintainability	Low (duplicate components)	High (single source)	✅
Collaboration	Hard (merge conflicts)	Easy (separate files)	✅

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✅ Benefits

✓ Performance: Each file 3-4x smaller, loads faster
✓ Maintainability: Component library as single source of truth
✓ Collaboration: Multiple designers work on different pages
✓ Reusability: Component library for new projects
✓ Version Control: Clear Git diffs
✓ Scalability: Easy to add pages/components

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🚀 Next Steps

1. Review Pages: Open each page file in Pencil to verify
2. Test Components: Ensure all components render correctly
3. Share with Team: Distribute usage guide to designers
4. Version Control: Commit new structure to Git
5. Archive Original: Keep tPOS.pen.backup as reference

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💡 Tips

• Keep component library updated: Always update tPOS-ui-kit.pen first before pages
• Use design tokens: Reference variables like $bg-page instead of #0A0A0B
• Document changes: Update this guide when adding new components
• Backup regularly: Keep versioned backups before major changes
• Test responsive: Verify designs across all breakpoints

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Questions? Reference the original implementation_plan.md in the brain directory.