/* ═══════════════════════════════════════════════════════════
   RIS - Rezept Index System
   Modals & Overlays
   ═══════════════════════════════════════════════════════════ */

/* Modal Backdrop */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  z-index: var(--z-modal-backdrop);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-2xl);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.modal-backdrop.visible {
  opacity: 1;
  pointer-events: auto;
}

/* Modal Container (zentriert) */
.modal {
  background: var(--bg-surface);
  border: 1px solid var(--bg-border);
  border-radius: var(--radius-lg);
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transform: scale(0.95);
  transition: transform var(--transition-base);
}

.modal-backdrop.visible .modal {
  transform: scale(1);
}

/* Modal Header */
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-xl);
  border-bottom: 1px solid var(--bg-border);
}

.modal-title {
  font-size: var(--font-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
}

.modal-close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: var(--bg-elevated);
  color: var(--text-primary);
}

/* Modal Body */
.modal-body {
  padding: var(--space-xl);
  overflow-y: auto;
  flex: 1;
}

/* Modal Footer */
.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-md);
  padding: var(--space-xl);
  border-top: 1px solid var(--bg-border);
}

/* Detail Modal (Slide-In von unten) */
.detail-modal {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  width: 100%;
  max-height: 85vh;
  background: var(--bg-surface);
  border-top: 1px solid var(--bg-border);
  border-top-left-radius: var(--radius-xl);
  border-top-right-radius: var(--radius-xl);
  z-index: var(--z-modal);
  display: flex;
  flex-direction: column;
  transform: translateY(100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
}

.detail-modal.visible {
  transform: translateY(0);
}

.detail-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2xl);
  border-bottom: 1px solid var(--bg-border);
}

.detail-modal-title {
  font-size: var(--font-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
}

.detail-modal-close {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: var(--font-xl);
}

.detail-modal-close:hover {
  background: var(--bg-elevated);
  color: var(--text-primary);
}

.detail-modal-body {
  padding: var(--space-2xl);
  overflow-y: auto;
  flex: 1;
}

.detail-modal-footer {
  padding: var(--space-2xl);
  border-top: 1px solid var(--bg-border);
  display: flex;
  gap: var(--space-md);
}

/* Changelog Modal */
.changelog-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-2xl);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
  z-index: var(--z-modal-backdrop);
}

.changelog-modal-backdrop.visible {
  opacity: 1;
  pointer-events: auto;
}

.changelog-modal {
  width: min(720px, 100%);
  max-height: 90vh;
  background: var(--bg-surface);
  border: 1px solid var(--bg-border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  transform: translateY(20px);
  opacity: 0.95;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.changelog-modal-backdrop.visible .changelog-modal {
  transform: translateY(0);
  opacity: 1;
}

.changelog-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-xl) var(--space-2xl);
  border-bottom: 1px solid var(--bg-border);
}

.changelog-modal-title {
  font-size: var(--font-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
}

.changelog-modal-subtitle {
  font-size: var(--font-sm);
  color: var(--text-muted);
  margin-top: 4px;
}

.changelog-modal-close {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: var(--font-xl);
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.changelog-modal-close:hover {
  background: var(--bg-elevated);
  color: var(--text-primary);
}

.changelog-modal-body {
  padding: var(--space-2xl);
  overflow-y: auto;
}

.changelog-modal-content {
  background: var(--bg-base);
  border: 1px solid var(--bg-border);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  color: var(--text-primary);
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  line-height: 1.6;
  white-space: pre-wrap;
  max-height: 60vh;
  overflow-y: auto;
}

/* Detail Field (für Rezept-Details) */
.detail-field {
  margin-bottom: var(--space-xl);
}

.detail-field-label {
  font-size: var(--font-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
}

.detail-field-value {
  font-size: var(--font-base);
  color: var(--text-primary);
  line-height: var(--line-height-relaxed);
}

.detail-field-value.empty {
  color: var(--text-muted);
  font-style: italic;
}

/* Responsive */
@media (max-width: 768px) {
  .modal {
    max-width: 100%;
    margin: var(--space-lg);
  }
  
  .detail-modal {
    width: 100%;
    max-width: 100%;
  }
}