/* Collapse/Spoiler Component Styles */
/* Theme-aware collapsible sections for FAQ, extra options, and more */

/* Container */
.collapse-container {
  margin-bottom: 1rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-medium);
  background: var(--card-bg);
  overflow: hidden;
  transition: all 0.2s ease;
}

.collapse-container:last-child {
  margin-bottom: 0;
}

.collapse-container:hover {
  border-color: rgba(99, 102, 241, 0.3);
}

/* Header/Trigger */
.collapse-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  padding: 14px 16px;
  background: var(--card-bg);
  border: none;
  border-bottom: 1px solid transparent;
  color: var(--text-color);
  font-family: inherit;
  font-size: 1em;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: all 0.2s ease;
  user-select: none;
}

.collapse-header:hover {
  background: rgba(99, 102, 241, 0.05);
}

.collapse-header:focus {
  outline: none;
  background: rgba(99, 102, 241, 0.08);
}

.collapse-container.open .collapse-header {
  border-bottom-color: var(--border-color);
  background: rgba(99, 102, 241, 0.05);
}

/* Header content */
.collapse-header-content {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
  min-width: 0;
}

.collapse-header-icon {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--primary-blue);
  font-size: 16px;
}

.collapse-header-title {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.collapse-header-badge {
  margin-left: auto;
  flex-shrink: 0;
}

/* Chevron icon */
.collapse-chevron {
  width: 16px;
  height: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--muted-text);
  font-size: 14px;
  transition: transform 0.25s ease;
}

.collapse-container.open .collapse-chevron {
  transform: rotate(180deg);
}

/* Content */
.collapse-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.collapse-content-inner {
  padding: 16px;
  color: var(--text-color);
}

/* Open state */
.collapse-container.open .collapse-content {
  max-height: var(--collapse-max-height, 2000px);
}

/* Variants */
.collapse-container.variant-primary {
  border-color: var(--primary-blue);
}

.collapse-container.variant-primary .collapse-header {
  background: rgba(99, 102, 241, 0.08);
}

.collapse-container.variant-success {
  border-color: #10b981;
}

.collapse-container.variant-success .collapse-header {
  background: rgba(16, 185, 129, 0.08);
}

.collapse-container.variant-success .collapse-header-icon,
.collapse-container.variant-success .collapse-chevron {
  color: #10b981;
}

.collapse-container.variant-warning {
  border-color: #f59e0b;
}

.collapse-container.variant-warning .collapse-header {
  background: rgba(245, 158, 11, 0.08);
}

.collapse-container.variant-warning .collapse-header-icon,
.collapse-container.variant-warning .collapse-chevron {
  color: #f59e0b;
}

.collapse-container.variant-danger {
  border-color: #ef4444;
}

.collapse-container.variant-danger .collapse-header {
  background: rgba(239, 68, 68, 0.08);
}

.collapse-container.variant-danger .collapse-header-icon,
.collapse-container.variant-danger .collapse-chevron {
  color: #ef4444;
}

.collapse-container.variant-info {
  border-color: #3b82f6;
}

.collapse-container.variant-info .collapse-header {
  background: rgba(59, 130, 246, 0.08);
}

.collapse-container.variant-info .collapse-header-icon,
.collapse-container.variant-info .collapse-chevron {
  color: #3b82f6;
}

/* Minimal variant (borderless) */
.collapse-container.variant-minimal {
  border: none;
  border-bottom: 1px solid var(--border-color);
  border-radius: 0;
  background: transparent;
}

.collapse-container.variant-minimal .collapse-header {
  padding-left: 0;
  padding-right: 0;
  background: transparent;
}

.collapse-container.variant-minimal:hover {
  border-color: var(--border-color);
}

/* Flush variant (no spacing) */
.collapse-container.variant-flush {
  margin-bottom: 0;
  border-radius: 0;
  border-left: none;
  border-right: none;
  border-top: none;
}

.collapse-container.variant-flush:last-child {
  border-bottom: none;
}

/* Group container */
.collapse-group {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-medium);
  overflow: hidden;
  background: var(--card-bg);
}

.collapse-group .collapse-container {
  margin: 0;
  border: none;
  border-radius: 0;
  border-bottom: 1px solid var(--border-color);
}

.collapse-group .collapse-container:last-child {
  border-bottom: none;
}

/* FAQ specific styles */
.collapse-faq .collapse-header-title {
  font-weight: 600;
  color: var(--text-color);
}

.collapse-faq .collapse-content-inner {
  padding-top: 12px;
  color: var(--text-color);
  opacity: 0.9;
  line-height: 1.6;
}

.collapse-faq .collapse-header-icon {
  color: var(--accent-blue);
}

/* Loading state */
.collapse-container.loading {
  opacity: 0.6;
  pointer-events: none;
}

.collapse-container.loading .collapse-chevron {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* Disabled state */
.collapse-container.disabled {
  opacity: 0.5;
  pointer-events: none;
}

.collapse-container.disabled .collapse-header {
  cursor: not-allowed;
}

/* Animation states */
.collapse-container.animating .collapse-content {
  overflow: hidden;
}

/* Theme-specific adjustments */
body.theme-dark .collapse-container {
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

body.theme-light .collapse-container {
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

/* Mobile optimizations */
@media (max-width: 768px) {
  .collapse-header {
    padding: 12px 14px;
    font-size: 0.95em;
  }

  .collapse-content-inner {
    padding: 14px;
  }

  .collapse-header-icon {
    width: 18px;
    height: 18px;
    font-size: 14px;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .collapse-content,
  .collapse-chevron {
    transition: none;
  }

  .collapse-container.open .collapse-content {
    max-height: none;
  }
}

/* Print styles */
@media print {
  .collapse-container {
    border: 1px solid #ccc;
    page-break-inside: avoid;
  }

  .collapse-container .collapse-content {
    max-height: none !important;
    overflow: visible !important;
  }

  .collapse-chevron {
    display: none;
  }
}

/* Accessibility - High contrast mode */
@media (prefers-contrast: high) {
  .collapse-container {
    border-width: 2px;
  }

  .collapse-header:focus {
    outline: 3px solid var(--primary-blue);
    outline-offset: 2px;
  }
}