/* EGR Accordion Component Styles */

/* Variables for consistent theming */
:root {
  --accordion-bg: #ffffff;
  --accordion-border: #dee2e6;
  --accordion-header-bg: #ffffff;
  --accordion-header-hover: #f8f9fa;
  --accordion-text: #212529;
  --accordion-text-muted: #6c757d;
  --accordion-primary: #18453B; /* MSU Green */
  --accordion-primary-hover: #0f2a26;
  --accordion-accent: #008208; /* EGR Green */
  --accordion-radius: 0.375rem;
  --accordion-transition: all 0.3s ease;
}

/* Utility class for screen reader only content */
.visually-hidden {
  position: absolute !important;
  clip: rect(1px, 1px, 1px, 1px);
  padding: 0 !important;
  border: 0 !important;
  height: 1px !important;
  width: 1px !important;
  overflow: hidden;
}

/* Main Accordion Container */
.egr-accordion {
  background-color: #ffffff;
  border: none;
  border-radius: 0;
  box-shadow: none;
  margin: 2rem 0;
  overflow: visible;
}

/* Optional Accordion Title */
.egr-accordion__main-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--accordion-primary);
  margin: 0;
  padding: 1.5rem 2rem;
  background-color: #ffffff;
  border-bottom: 1px solid var(--accordion-border);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

/* Open/Close All Controls */
.egr-accordion__controls {
  display: flex;
  gap: 0.75rem;
  padding: 0 0 1rem 0;
  background-color: transparent;
  border: none;
  justify-content: flex-end;
}

.egr-accordion__control {
  background: transparent;
  border: 2px solid var(--accordion-primary);
  color: var(--accordion-primary);
  padding: 0.375rem 1rem;
  border-radius: var(--accordion-radius);
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 600;
  transition: var(--accordion-transition);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.egr-accordion__control:hover {
  background-color: var(--accordion-primary);
  color: white;
  transform: translateY(-1px);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.egr-accordion__control:focus {
  outline: 3px solid rgba(24, 69, 59, 0.2);
  outline-offset: 2px;
}

/* When title exists, remove top border from controls */
.egr-accordion__main-title + .egr-accordion__controls {
  border-top: none;
  padding-top: 0;
}

/* Accordion Panels Container */
.egr-accordion__panels {
  background: var(--accordion-bg);
}

/* Individual Accordion Items */
.egr-accordion__item {
  background-color: #ffffff;
  border-top: 1px solid var(--accordion-accent);
  border-bottom: 1px solid var(--accordion-accent);
  margin: -1px 0 0 0; /* Negative margin to prevent double borders */
  transition: var(--accordion-transition);
  position: relative;
}

.egr-accordion__item:first-child {
  margin-top: 0;
}

.egr-accordion__item:hover {
  background-color: #ffffff;
}

/* Accordion Header */
.egr-accordion__header {
  margin: 0;
  background: transparent;
  border: none;
}

/* Accordion Trigger/Header Button */
.egr-accordion__trigger {
  width: 100%;
  background: transparent;
  border: none;
  padding: 0 40px 0 2rem; /* Right padding for icon */
  text-align: left;
  cursor: pointer;
  display: block;
  position: relative;
  transition: var(--accordion-transition);
  text-decoration: none;
}

.egr-accordion__trigger:hover {
  background-color: var(--accordion-header-hover);
}

.egr-accordion__trigger:hover .egr-accordion__title {
  color: var(--accordion-primary);
}

.egr-accordion__trigger:focus {
  outline: 3px solid rgba(24, 69, 59, 0.2);
  outline-offset: -3px;
  background-color: var(--accordion-header-hover);
}

.egr-accordion__trigger[aria-expanded="true"] {
  background-color: #ffffff;
}

.egr-accordion__trigger[aria-expanded="true"] .egr-accordion__title {
  color: var(--accordion-primary);
}

/* Accordion Title Text */
.egr-accordion__title {
  padding-top: 28px;
  padding-bottom: 28px;
  display: block;
  font-weight: 700; /* Bold */
  line-height: 1.56;
  font-size: 1.046875rem;
  letter-spacing: .026rem;
  color: #212529; /* Dark text */
  padding-right: 100px;
  position: relative;
  text-decoration: none;
  margin: 0;
}

/* Plus/Minus Icon */
.egr-accordion__icon {
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #008208; /* Green color */
  transition: var(--accordion-transition);
  pointer-events: none;
}

/* Hide the SVG */
.egr-accordion__icon svg {
  display: none;
}

/* Plus Icon (default - closed state) */
.egr-accordion__icon::before {
  content: "+";
  font-size: 28px;
  font-weight: 300;
  line-height: 1;
  display: block;
}

/* Minus Icon (expanded state) */
.egr-accordion__trigger[aria-expanded="true"] .egr-accordion__icon::before {
  content: "−"; /* Using proper minus character */
  font-size: 28px;
}

/* Keep icon green on expand */
.egr-accordion__trigger[aria-expanded="true"] .egr-accordion__icon {
  color: #008208;
}

/* Accordion Panel Container */
.egr-accordion__panel {
  background: var(--accordion-bg);
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  transition: max-height 0.3s ease, opacity 0.3s ease;
}

.egr-accordion__panel:not([hidden]) {
  max-height: 2000px;
  opacity: 1;
}

.egr-accordion__panel[hidden] {
  display: none;
}

/* Accordion Content */
.egr-accordion__content {
  padding: 1.5rem 2rem;
  color: var(--accordion-text);
  line-height: 1.6;
  font-size: 1rem;
}

/* Content Typography */
.egr-accordion__content p {
  margin: 0 0 1rem 0;
}

.egr-accordion__content p:last-child {
  margin-bottom: 0;
}

.egr-accordion__content ul,
.egr-accordion__content ol {
  margin: 0 0 1rem 0;
  padding-left: 1.5rem;
}

.egr-accordion__content li {
  margin-bottom: 0.5rem;
  line-height: 1.6;
}

.egr-accordion__content li:last-child {
  margin-bottom: 0;
}

.egr-accordion__content h3,
.egr-accordion__content h4 {
  font-weight: 700;
  color: var(--accordion-primary);
  margin: 1.5rem 0 0.75rem 0;
}

.egr-accordion__content h3:first-child,
.egr-accordion__content h4:first-child {
  margin-top: 0;
}

.egr-accordion__content h3 {
  font-size: 1.75rem;
}

.egr-accordion__content h4 {
  font-size: 1.5rem;
}

.egr-accordion__content a {
  color: var(--accordion-accent);
  text-decoration: underline;
  transition: var(--accordion-transition);
}

.egr-accordion__content a:hover {
  color: var(--accordion-primary);
  text-decoration: none;
}

/* Responsive Design */
@media (max-width: 768px) {
  .egr-accordion__main-title {
    font-size: 1.5rem;
    padding: 1.25rem 1.5rem;
  }
  
  .egr-accordion__controls {
    padding: 0.75rem 1.5rem;
    justify-content: center;
    gap: 0.5rem;
  }
  
  .egr-accordion__control {
    font-size: 0.8125rem;
    padding: 0.25rem 0.75rem;
  }
  
  .egr-accordion__trigger {
    padding: 0 35px 0 1.5rem;
  }
  
  .egr-accordion__title {
    padding-top: 20px;
    padding-bottom: 20px;
    padding-right: 60px;
    font-size: 0.9375rem;
  }
  
  .egr-accordion__icon {
    right: 0;
    width: 35px;
    height: 35px;
  }
  
  .egr-accordion__icon::before {
    font-size: 20px;
  }
  
  .egr-accordion__content {
    padding: 1.25rem 1.5rem;
    font-size: 0.9375rem;
  }
}

/* Accessibility - High Contrast Mode */
@media (prefers-contrast: high) {
  .egr-accordion {
    border-width: 2px;
  }
  
  .egr-accordion__trigger {
    border: 2px solid transparent;
  }
  
  .egr-accordion__trigger:focus {
    border-color: var(--accordion-primary);
    outline: none;
  }
  
  .egr-accordion__icon::before {
    color: var(--accordion-text);
  }
}

/* Accessibility - Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  .egr-accordion__trigger,
  .egr-accordion__icon,
  .egr-accordion__icon::before,
  .egr-accordion__panel,
  .egr-accordion__control {
    transition: none;
  }
}

/* Default white background */
.egr-accordion {
  background-color: #ffffff;
}

.egr-accordion__panels {
  background-color: #ffffff;
}

.egr-accordion__panel {
  background-color: #ffffff;
}

.egr-accordion__content {
  background-color: #ffffff;
}

/* Layout Paragraphs Specific Styles */
.js-lpb-component .egr-accordion,
.paragraph--type--egr-accordion .egr-accordion,
.paragraph--egr-accordion .egr-accordion {
  /* Ensure styles apply in Layout Paragraphs context */
  margin: 2rem 0;
}

/* Print Styles */
@media print {
  .egr-accordion__controls {
    display: none;
  }
  
  .egr-accordion__panel {
    max-height: none !important;
    opacity: 1 !important;
    display: block !important;
  }
  
  .egr-accordion__icon {
    display: none;
  }
  
  .egr-accordion__trigger {
    cursor: default;
    padding-right: 2rem;
  }
}