/* Terminologie: Begriffsliste mit Theme-Varianten und Responsive-Anpassungen */

.terminology-section {
  background: var(--color-bg-elevated);
  border-top: 1px solid var(--color-border-default);
  border-bottom: 1px solid var(--color-border-default);
  padding: 60px 0;
  margin-top: 80px;
  margin-bottom: 60px;
}

.terminology-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.terminology-header {
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--color-border-default);
}

.terminology-header h2 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-fg-default);
  margin: 0 0 var(--spacing-xs);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.terminology-header p {
  color: var(--color-fg-muted);
  font-size: 0.875rem;
  margin: 0;
}

.terminology-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-sm);
}

.terminology-group {
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-md);
  background: var(--color-bg-card);
  overflow: hidden;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.terminology-group:hover {
  border-color: var(--color-primary);
}

.terminology-group[open] {
  box-shadow: var(--shadow-md);
}

.terminology-group summary {
  display: flex;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-fg-default);
  cursor: pointer;
  list-style: none;
  transition: background 0.2s ease;
}

.terminology-group summary::-webkit-details-marker {
  display: none;
}

.terminology-group summary::before {
  display: none;
  content: none;
}

.terminology-group[open] summary::before {
  display: none;
}

.terminology-group summary:hover {
  background: var(--color-bg-elevated);
}

.terminology-group summary:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: -2px;
}

.terminology-group dl {
  margin: 0;
  padding: 0 var(--spacing-md) var(--spacing-sm);
  border-top: 1px solid var(--color-border-default);
  animation: terminologySlideDown 0.4s ease-out;
  max-height: 1000px;
  overflow: hidden;
  transition: max-height 0.4s ease-out, opacity 0.3s ease-out, padding 0.4s ease-out;
}

.terminology-group:not([open]) dl {
  max-height: 0;
  opacity: 0;
  padding-top: 0;
  padding-bottom: 0;
}

@keyframes terminologySlideDown {
  from {
    opacity: 0;
    max-height: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    max-height: 1000px;
    transform: translateY(0);
  }
}

.term-row {
  display: flex;
  gap: var(--spacing-md);
  padding: var(--spacing-xs) 0;
  border-bottom: 1px solid rgba(128, 128, 128, 0.1);
  animation: termFadeIn 0.5s ease-out backwards;
}

.term-row:nth-child(1) { animation-delay: 0.15s; }
.term-row:nth-child(2) { animation-delay: 0.25s; }
.term-row:nth-child(3) { animation-delay: 0.35s; }
.term-row:nth-child(4) { animation-delay: 0.45s; }

@keyframes termFadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.term-row:last-child {
  border-bottom: none;
}

.term-row dt {
  flex: 0 0 auto;
  min-width: 90px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-fg-default);
}

.term-row dd {
  flex: 1;
  margin: 0;
  font-size: 0.8rem;
  color: var(--color-fg-muted);
  line-height: 1.5;
}

/* Responsive Terminologie */
@media (max-width: 768px) {
  .terminology-section {
    padding: var(--spacing-lg) 0 var(--spacing-xl);
    background: var(--color-bg-elevated) !important;
    border-top: 1px solid var(--color-border-default) !important;
    border-bottom: 1px solid var(--color-border-default) !important;
  }

  .terminology-container {
    padding: 0 var(--spacing-md);
  }

  .terminology-header h2 {
    color: var(--color-fg-default) !important;
  }
  
  .terminology-header p {
    color: var(--color-fg-muted) !important;
  }

  .terminology-grid {
    grid-template-columns: 1fr;
  }
  
  /* Terminologie Groups */
  .terminology-group {
    background: var(--color-bg-card) !important;
    border: 1px solid var(--color-border-default) !important;
    border-radius: var(--radius-md) !important;
  }
  
  .terminology-group:hover {
    border-color: var(--color-primary) !important;
  }
  
  .terminology-group summary {
    color: var(--color-fg-default) !important;
    background: transparent !important;
    text-decoration: none !important;
  }
  
  .terminology-group summary::before {
    display: none !important;
    content: none !important;
  }
  
  .terminology-group summary:hover {
    background: var(--color-bg-elevated) !important;
  }
  
  .terminology-group dl {
    border-top: 1px solid var(--color-border-default) !important;
    background: transparent !important;
  }

  .term-row {
    flex-direction: column;
    gap: var(--spacing-xs);
    border-bottom: 1px solid rgba(128, 128, 128, 0.1) !important;
  }

  .term-row dt {
    min-width: auto;
    color: var(--color-fg-default) !important;
  }
  
  .term-row dd {
    color: var(--color-fg-muted) !important;
  }
}

/* Terminologie Mobile 480px */
@media (max-width: 480px) {
  .terminology-section {
    padding: var(--spacing-md) 0 var(--spacing-lg) !important;
    margin-top: var(--spacing-xl) !important;
    margin-bottom: var(--spacing-lg) !important;
  }
  
  .terminology-container {
    padding: 0 var(--spacing-sm) !important;
  }
  
  .terminology-header h2 {
    font-size: 1rem !important;
  }
  
  .terminology-header p {
    font-size: 0.8rem !important;
  }
  
  .terminology-group summary {
    padding: var(--spacing-xs) var(--spacing-sm) !important;
    font-size: 0.85rem !important;
  }
  
  .terminology-group summary::before {
    display: none !important;
    content: none !important;
  }
  
  .terminology-group dl {
    padding: 0 var(--spacing-sm) var(--spacing-xs) !important;
  }
  
  .term-row dt,
  .term-row dd {
    font-size: 0.75rem !important;
  }
}