Flat Design App Icons - Finance Theme

Create a set of flat design icons for a finance mobile app: ## Icon Set (8 icons) 1. **Wallet** - Simple folded wallet with card 2. **Chart** - Upward trending line graph 3. **Transfer** - Two arrows in opposite directions 4. **Budget** - Pie chart divided into sections 5. **Savings** - Piggy bank silhouette 6. **Card** - Credit card with chip 7. **Receipt** - Paper receipt with lines 8. **Settings** - Gear cog ## Style Guidelines - **Shape**: Rounded corners (8px on 64px canvas) - **Colors**: - Primary: #2563eb (blue) - Secondary: #10b981 (green) - Background: #f8fafc - **Stroke**: 2px consistent weight - **Fill**: Solid colors, no gradients ## Grid & Sizing - Canvas: 64x64px - Safe area: 56x56px (4px padding) - Export: SVG + PNG @1x, 2x, 3x ## Reference Style