/**
 * Accessible Accordion Styles
 * WCAG 2.1 Compliant Accordion Component
 */

/* Container */
.accordion-accessible {
  border: 1px solid #d0d0d0;
  border-radius: 4px;
  margin-bottom: 1rem;
}

/* Accordion Item */
.accordion-item-accessible {
  border-bottom: 1px solid #d0d0d0;
}

.accordion-item-accessible:last-child {
  border-bottom: none;
}

/* Header (wraps button for proper semantics) */
.accordion-header-accessible {
  margin: 0;
  padding: 0;
}

/* Trigger Button */
.accordion-trigger-accessible {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  background-color: #f5f5f5;
  border: none;
  text-align: left;
  font-size: 1rem;
  font-weight: 600;
  color: #333;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease;
  position: relative;
}

/* Hover state */
.accordion-trigger-accessible:hover {
  background-color: #e8e8e8;
  color: #000;
}

/* Focus state - high contrast for accessibility */
.accordion-trigger-accessible:focus {
  outline: 3px solid #0a75be;
  outline-offset: -3px;
  background-color: #e8e8e8;
  z-index: 1;
}

/* Active/Open state */
.accordion-trigger-accessible[aria-expanded="true"] {
  background-color: #fff;
  border-bottom: 1px solid #d0d0d0;
}

/* Title */
.accordion-title-accessible {
  flex: 1;
  padding-right: 1rem;
}

/* Icon */
.accordion-icon-accessible {
  flex-shrink: 0;
  width: 0.75rem;
  height: 0.75rem;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  transition: transform 0.3s ease;
  margin-top: -0.25rem;
}

.accordion-trigger-accessible[aria-expanded="true"] .accordion-icon-accessible {
  transform: rotate(-135deg);
  margin-top: 0.25rem;
}

/* Panel */
.accordion-panel-accessible {
  overflow: hidden;
}

.accordion-panel-accessible[hidden] {
  display: none;
}

/* Content */
.accordion-content-accessible {
  padding: 1.25rem;
  background-color: #fff;
  color: #333;
  line-height: 1.6;
}

/* Ensure content formatting */
.accordion-content-accessible > *:first-child {
  margin-top: 0;
}

.accordion-content-accessible > *:last-child {
  margin-bottom: 0;
}

/* Links within content */
.accordion-content-accessible a {
  color: #0a75be;
  text-decoration: underline;
}

.accordion-content-accessible a:hover {
  color: #075a94;
}

.accordion-content-accessible a:focus {
  outline: 2px solid #0a75be;
  outline-offset: 2px;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
  .accordion-trigger-accessible {
    border: 2px solid currentColor;
  }
  
  .accordion-trigger-accessible:focus {
    outline-width: 4px;
  }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
  .accordion-icon-accessible {
    transition: none;
  }
  
  .accordion-trigger-accessible {
    transition: none;
  }
}

/* Print styles */
@media print {
  .accordion-trigger-accessible {
    background-color: transparent;
    padding: 0.5rem 0;
  }
  
  .accordion-panel-accessible[hidden] {
    display: block !important;
  }
  
  .accordion-icon-accessible {
    display: none;
  }
}

/* Mobile responsive adjustments */
@media screen and (max-width: 640px) {
  .accordion-trigger-accessible {
    padding: 0.875rem 1rem;
    font-size: 0.9375rem;
  }
  
  .accordion-content-accessible {
    padding: 1rem;
  }
}