/* ================================
   ACCORDION COMPONENT
   Expandable/collapsible content sections
   ================================ */

/* Accordion Item */
.accordion-item {
  background: var(--card-bg);
  backdrop-filter: var(--backdrop-glass);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  overflow: hidden;
}

.accordion-item:hover {
  border-color: var(--border-medium);
  transform: var(--lift-sm);
}

.accordion-item.active {
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-lg), var(--glow-md);
  transform: scale(1.01);
}

/* Accordion Header/Question */
.accordion-header {
  padding: 20px 24px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  user-select: none;
  transition: background var(--transition-fast);
}

.accordion-header:hover {
  background: var(--glass-teal-hover-subtle);
}

.accordion-header__content {
  flex: 1;
}

.accordion-header__title {
  font-size: var(--text-lg);
  margin: 0 0 6px 0;
  line-height: var(--line-height-snug);
  color: var(--text-primary);
  font-weight: var(--weight-semibold);
}

.accordion-header__hint {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  margin: 0;
  font-style: italic;
}

.accordion-header__icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  transition: transform var(--transition-base);
  color: var(--accent-primary);
  margin-top: 2px;
}

.accordion-item.active .accordion-header__icon {
  transform: rotate(180deg);
}

/* Accordion Body/Answer */
.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.accordion-item.active .accordion-body {
  max-height: 2000px;
}

.accordion-body__content {
  padding: 0 24px 24px;
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
}

.accordion-body__content ul,
.accordion-body__content ol {
  margin: 12px 0;
  padding-left: 20px;
}

.accordion-body__content li {
  margin-bottom: 8px;
}

.accordion-body__content strong {
  color: var(--accent-primary);
  font-weight: var(--weight-semibold);
}

.accordion-body__content p {
  margin-bottom: 12px;
}

.accordion-body__content p:last-child {
  margin-bottom: 0;
}

/* Callout Box (Why You Care) */
.accordion-callout {
  margin-top: 16px;
  padding: 12px 16px;
  background: var(--button-secondary-bg);
  border-left: 4px solid var(--accent-primary);
  border-radius: var(--radius-sm);
  animation: slideInLeft 0.4s ease;
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-10px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.accordion-callout__title {
  display: block;
  margin-bottom: 6px;
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  color: var(--accent-primary);
}

.accordion-callout__text {
  margin: 0;
  color: var(--text-primary);
  font-size: var(--text-sm);
}

/* Toggle (Simple/Technical) */
.accordion-toggle {
  display: flex;
  gap: 16px;
  margin-bottom: 16px;
  padding: 12px;
  background: var(--overlay-medium);
  border-radius: var(--radius-sm);
  justify-content: center;
}

.accordion-toggle__option {
  padding: 8px 16px;
  cursor: pointer;
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--text-tertiary);
  border-bottom: 2px solid transparent;
  transition: all var(--transition-fast);
  user-select: none;
}

.accordion-toggle__option:hover {
  color: var(--accent-primary);
}

.accordion-toggle__option.active {
  color: var(--accent-primary);
  border-bottom-color: var(--accent-primary);
}

.accordion-toggle-content {
  transition: opacity var(--transition-fast);
}

.accordion-toggle-content.hidden {
  display: none;
}

/* Mobile Adjustments */
@media (max-width: 768px) {
  .accordion-header {
    padding: 16px 20px;
  }

  .accordion-body__content {
    padding: 0 20px 20px;
  }

  .accordion-header__title {
    font-size: var(--text-base);
  }
}