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. **Input Component Library:** For each input type, define: - Text input (single line, multi-line/textarea) - Select/dropdown (single, multi-select) - Radio buttons and checkboxes - Date picker and time picker - File upload (drag-and-drop, browse) - Toggle/switch - Search input with autocomplete - Phone, email, URL, number inputs **For each input type, specify:** - Default state appearance - Focus state (visible focus ring, 3:1 contrast) - Filled state - Error state (border color, error message placement, icon) - Success state (optional) - Disabled state - Helper text placement - Character/word count display - Required field indicator **Validation Strategy:** - Inline validation: on blur vs. on input vs. on submit - Validation rules per input type - Error message format:
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