Form Design System: Validation, Error Handling, and Accessibility
Create a comprehensive form design system covering input patterns, real-time validation, error messaging, and accessibility requirements for web and mobile forms.
Design a form system that minimizes user errors, provides clear feedback, and ensures all forms are accessible to users with disabilities while maintaining visual consistency.
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Prompt objective
Design a form system that minimizes user errors, provides clear feedback, and ensures all forms are accessible to users with disabilities while maintaining visual consistency.
Real use case
A government services portal has 35 different forms with inconsistent validation patterns — some validate on blur, some on submit, some not at all. Error messages are technical and unhelpful. Form abandonment rate is 62%.
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Prompt
Design a complete form design system for [PRODUCT NAME], which contains [NUMBER] forms across web and mobile platforms.\\\\\\\\n\\\\\\\\n**Input Component Library:**\\\\\\\\nFor each input type, define:\\\\\\\\n- Text input (single line, multi-line/textarea)\\\\\\\\n- Select/dropdown (single, multi-select)\\\\\\\\n- Radio buttons and checkboxes\\\\\\\\n- Date picker and time picker\\\\\\\\n- File upload (drag-and-drop, browse)\\\\\\\\n- Toggle/switch\\\\\\\\n- Search input with autocomplete\\\\\\\\n- Phone, email, URL, number inputs\\\\\\\\n\\\\\\\\n**For each input type, specify:**\\\\\\\\n- Default state appearance\\\\\\\\n- Focus state (visible focus ring, 3:1 contrast)\\\\\\\\n- Filled state\\\\\\\\n- Error state (border color, error message placement, icon)\\\\\\\\n- Success state (optional)\\\\\\\\n- Disabled state\\\\\\\\n- Helper text placement\\\\\\\\n- Character/word count display\\\\\\\\n- Required field indicator\\\\\\\\n\\\\\\\\n**Validation Strategy:**\\\\\\\\n- Inline validation: on blur vs. on input vs. on submit\\\\\\\\n- Validation rules per input type\\\\\\\\n- Error message format: \\\\\\\\
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