Accordion - LYD Design System V2

Accordion Variants

Single Accordion

Standard accordion with smooth expand/collapse animation

This luxury penthouse offers breathtaking panoramic views of the city skyline. Features include floor-to-ceiling windows, premium finishes, and a private terrace.

Accordion Group

Multiple accordions grouped together

Area: 185 m²

Rooms: 3 Bedrooms, 2 Bathrooms

Features: Open-plan living, Modern kitchen, Home office

24/7 Concierge Service
Fitness Center & Spa
Rooftop Terrace
Underground Parking

District: City Center

Public Transport: 2 min to U-Bahn

Nearby: Shopping, Restaurants, Parks

Glassmorphism Style

Premium glassmorphism effect with blur

Smart home technology, Climate control, Security system, Premium appliances

Real Estate Use Cases

Property FAQ

The price includes the property, one parking space, and a storage unit. Kitchen appliances and built-in wardrobes are also included.

Yes, pets are welcome in the building. There is a dedicated pet area and nearby parks for walking.

Service Charge: €450/month

Includes: Heating, water, maintenance, concierge

Not included: Electricity, internet

Implementation Guide

HTML Usage

<!-- Single Accordion -->
<div class="lyd-accordion">
    <button class="lyd-accordion-header">
        <span>Accordion Title</span>
        <svg class="lyd-accordion-icon" viewBox="0 0 24 24" fill="none" stroke="currentColor">
            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7" />
        </svg>
    </button>
    <div class="lyd-accordion-content">
        <p>Content goes here...</p>
    </div>
</div>

<!-- Accordion Group -->
<div class="lyd-accordion-group">
    <div class="lyd-accordion">
        <button class="lyd-accordion-header active">
            <span>First Section</span>
            <svg class="lyd-accordion-icon">...</svg>
        </button>
        <div class="lyd-accordion-content active">
            <p>First content...</p>
        </div>
    </div>
    <!-- More accordions... -->
</div>

React/Next.js Integration

// components/Accordion.tsx
import { useState, ReactNode } from 'react';

interface AccordionProps {
  title: string;
  children: ReactNode;
  defaultOpen?: boolean;
  variant?: 'default' | 'bordered' | 'glassmorphism';
}

export const Accordion = ({ 
  title, 
  children, 
  defaultOpen = false,
  variant = 'default' 
}: AccordionProps) => {
  const [isOpen, setIsOpen] = useState(defaultOpen);
  
  return (
    <div className={`lyd-accordion ${variant}`}>
      <button 
        className={`lyd-accordion-header ${isOpen ? 'active' : ''}`}
        onClick={() => setIsOpen(!isOpen)}
      >
        <span>{title}</span>
        <svg className="lyd-accordion-icon" viewBox="0 0 24 24">
          <path d="M19 9l-7 7-7-7" />
        </svg>
      </button>
      <div className={`lyd-accordion-content ${isOpen ? 'active' : ''}`}>
        {children}
      </div>
    </div>
  );
};

JavaScript Implementation

// Accordion functionality
document.querySelectorAll('.lyd-accordion-header').forEach(header => {
  header.addEventListener('click', () => {
    const accordion = header.parentElement;
    const content = accordion.querySelector('.lyd-accordion-content');
    const isOpen = header.classList.contains('active');
    
    // Toggle current accordion
    header.classList.toggle('active');
    content.classList.toggle('active');
    
    // Optional: Close other accordions in group
    if (accordion.parentElement.classList.contains('lyd-accordion-group')) {
      const siblings = accordion.parentElement.querySelectorAll('.lyd-accordion');
      siblings.forEach(sibling => {
        if (sibling !== accordion) {
          sibling.querySelector('.lyd-accordion-header').classList.remove('active');
          sibling.querySelector('.lyd-accordion-content').classList.remove('active');
        }
      });
    }
  });
});

API Reference

Class	Description
`.lyd-accordion`	Base accordion container
`.lyd-accordion-header`	Clickable header button
`.lyd-accordion-content`	Collapsible content container
`.lyd-accordion-icon`	Chevron icon that rotates
`.lyd-accordion-group`	Container for multiple accordions
`.active`	Applied to open accordion elements
`.bordered`	Adds border styling
`.glassmorphism`	Glassmorphism effect variant

Accessibility & Best Practices

Keyboard Navigation

Tab to navigate between accordions
Enter/Space to toggle accordion
Arrow keys for navigation within group

Screen Reader Support

Use semantic button elements
Add aria-expanded attribute
Include aria-controls for content
Provide clear labels

Best Practices

Keep titles concise and descriptive
Use icons consistently
Provide smooth animations
Consider mobile touch targets
Allow keyboard-only usage