Progressive disclosure with smart accordion logic and nested sections
• 3-Level Hierarchy: Main → Sub-sections → Individual items
• Smart Accordion: Auto-collapse other sections when expanding
• Compact Overview: Essential info visible when collapsed
• Detailed Expansion: Full controls available when expanded
• Context Preservation: State persists across browser sessions
• Smooth Animations: Height transitions with 300ms duration
• Keyboard Navigation: Space/Enter to toggle sections
• Visual Indicators: Icons show expandable content availability
• Badge System: Status indicators with counts and colors
• Global Controls: Expand/collapse all or by group
This interface is optimized for both desktop and mobile use, with expandable sections providing excellent space efficiency on smaller screens. The accordion behavior ensures only relevant information is displayed, reducing cognitive load and improving usability.
Built with React context for state management, localStorage for persistence, and CSS transitions for smooth animations. The component architecture supports unlimited nesting levels while maintaining performance through lazy rendering.