/**
 * Aufgabengenerator - Editor Styles
 * Task editor specific styles
 */

/* ===== Editor Page ===== */
.json-import-section {
  background: var(--secondary-bg, #f0f9ff);
  border: 2px solid var(--secondary, #0ea5e9);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 24px;
}

.json-import-section h3 {
  color: var(--secondary-dark, #0369a1);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.json-import-section .helper-text {
  color: var(--text-muted, #64748b);
  font-size: 0.9rem;
  margin-bottom: 16px;
}

.json-import-textarea {
  width: 100%;
  min-height: 200px;
  font-family: 'Consolas', 'Monaco', monospace;
  font-size: 0.85rem;
  border: 1px solid var(--border-strong, #cbd5e1);
  border-radius: 8px;
  padding: 12px;
  resize: vertical;
  background: var(--bg-card, #fff);
}

.json-import-textarea:focus {
  outline: none;
  border-color: var(--secondary, #0ea5e9);
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.2);
}

.json-import-textarea.error {
  border-color: var(--danger, #dc2626);
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.2);
}

.json-import-textarea.success {
  border-color: var(--success, #16a34a);
  box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.2);
}

.import-status {
  margin-top: 12px;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 0.9rem;
  display: none;
}

.import-status.show {
  display: block;
}

.import-status.success {
  background: var(--success-bg, #dcfce7);
  color: var(--success, #166534);
  border: 1px solid var(--success-border, #86efac);
}

.import-status.error {
  background: var(--danger-bg, #fee2e2);
  color: var(--danger, #991b1b);
  border: 1px solid var(--danger-border, #fca5a5);
}

.btn-group-top {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border-default, #e2e8f0);
}

.btn-import {
  background: linear-gradient(135deg, var(--secondary, #0ea5e9) 0%, var(--secondary-dark, #0284c7) 100%);
  color: var(--text-inverse, white);
  font-weight: 600;
}

.btn-import:hover {
  background: linear-gradient(135deg, var(--secondary-dark, #0284c7) 0%, var(--secondary-dark, #0369a1) 100%);
}

.dynamic-section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.question-count-badge {
  background: var(--secondary, #0ea5e9);
  color: var(--text-inverse, white);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
}

.add-question-btn {
  background: var(--success-bg, #f0fdf4);
  color: var(--success, #16a34a);
  border: 1px solid var(--success-border, #86efac);
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 0.85rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
}

.add-question-btn:hover {
  background: var(--success-bg, #dcfce7);
}

/* .remove-question-btn is defined in Form Editor section below (line ~680) */

/* ===== Question Card Layout ===== */
.question-card {
  background: var(--bg-card, #fff);
  border: 1px solid var(--border-default, #e2e8f0);
  border-radius: 8px;
  margin-bottom: 16px;
  position: relative;
}

.question-card:hover {
  border-color: var(--border-strong, #cbd5e1);
}

.question-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  background: var(--bg-subtle, #f8fafc);
  border-bottom: 1px solid var(--border-default, #e2e8f0);
  border-radius: 8px 8px 0 0;
  gap: 12px;
}

.question-card-header .qtext {
  flex: 1;
  min-width: 0;
}

.question-card-header strong {
  font-size: 0.95rem;
  color: var(--text-secondary, #334155);
}

.question-card-content {
  padding: 16px;
}

.question-card-content .form-group:last-child {
  margin-bottom: 0;
}

.btn-remove-question {
  background: var(--danger-bg, #fee2e2);
  border: 1px solid var(--danger-border, #fecaca);
  color: var(--danger, #dc2626);
  padding: 4px 8px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: all 0.2s ease;
}

.btn-remove-question:hover {
  background: var(--danger-border, #fecaca);
  border-color: var(--danger, #dc2626);
}

.model-answer-group {
  padding: 8px;
  background: var(--bg-subtle, #f8fafc);
  border-radius: 4px;
  border: 1px solid var(--border-default, #e2e8f0);
}

.model-answer-group label {
  color: var(--text-muted, #64748b);
  font-size: 0.85rem;
}

/* ===== NEW: JSON Section (Collapsible) ===== */
.json-section {
  background: var(--secondary-bg, #f0f9ff);
  border: 2px solid var(--secondary, #0ea5e9);
  transition: border-color var(--duration-slow, 0.3s) ease,
              background var(--duration-slow, 0.3s) ease,
              box-shadow var(--duration-slow, 0.3s) ease;
}

.json-section.json-valid {
  border-color: var(--success, #16a34a);
  background: var(--success-bg, #f0fdf4);
  animation: pulse-success 0.5s ease;
}

.json-section.json-error {
  border-color: var(--danger, #dc2626);
  background: var(--danger-bg, #fef2f2);
  animation: pulse-error 0.5s ease;
}

@keyframes pulse-success {
  0%, 100% { box-shadow: 0 0 0 0 transparent; }
  50% { box-shadow: 0 0 0 4px var(--success-bg, rgba(34, 197, 94, 0.2)); }
}

@keyframes pulse-error {
  0%, 100% { box-shadow: 0 0 0 0 transparent; }
  50% { box-shadow: 0 0 0 4px var(--danger-bg, rgba(239, 68, 68, 0.2)); }
}

.json-toggle-btn {
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--secondary-dark, #0369a1);
  padding: 0;
  width: 100%;
  text-align: left;
}

.json-toggle-btn:hover {
  color: var(--secondary, #0284c7);
}

.json-toggle-btn .chevron-icon {
  transition: transform 0.2s ease;
}

.json-toggle-btn[aria-expanded="false"] .chevron-icon {
  transform: rotate(-90deg);
}

.json-status-icon {
  font-size: 1.1rem;
}

/* Icon-Styling wird jetzt durch JS und Badge gesteuert - kein CSS-Pseudo-Element mehr */
.json-section.json-valid .json-status-icon .icon,
.json-section.json-error .json-status-icon .icon {
  display: none;  /* Verstecke das Standard-Icon wenn Status aktiv */
}

.json-status-badge {
  font-size: 0.75rem;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: 12px;
  margin-left: auto;
}

.json-section.json-valid .json-status-badge {
  background: var(--success, #16a34a);
  color: var(--text-inverse, white);
}

.json-section.json-error .json-status-badge {
  background: var(--danger, #dc2626);
  color: var(--text-inverse, white);
}

.json-content {
  overflow: hidden;
  transition: max-height 0.3s ease, opacity 0.3s ease;
}

.json-content.collapsed {
  max-height: 0;
  opacity: 0;
  padding: 0;
}

.json-textarea {
  width: 100%;
  min-height: 200px;
  font-family: 'Consolas', 'Monaco', 'Fira Code', monospace;
  font-size: 0.85rem;
  border: 1px solid var(--border-default, #cbd5e1);
  border-radius: 8px;
  padding: 12px;
  resize: vertical;
  background: var(--bg-card, var(--bg-white, #fff));
  color: var(--text-primary, inherit);
  line-height: 1.5;
}

.json-textarea:focus {
  outline: none;
  border-color: var(--primary, #0ea5e9);
  box-shadow: 0 0 0 3px var(--primary-alpha, rgba(14, 165, 233, 0.2));
}

.json-section.json-error .json-textarea {
  border-color: var(--danger, #dc2626);
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.2);
}

.json-section.json-valid .json-textarea {
  border-color: var(--success, #16a34a);
}

.json-buttons {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border-subtle, #f1f5f9);
}

.btn-file-upload {
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-file-upload input[type="file"] {
  display: none;
}

.btn-danger-subtle {
  color: var(--danger, #dc2626);
  border-color: var(--danger-border, #fca5a5);
}

.btn-danger-subtle:hover {
  background: var(--danger-bg, #fee2e2);
  border-color: var(--danger, #dc2626);
}

.btn-warning {
  background: var(--warning-bg, #fef3c7);
  color: var(--warning-text, #92400e);
  border: 1px solid var(--warning-border, #fcd34d);
}

.btn-warning:hover {
  background: var(--warning-bg, #fde68a);
}

/* ===== NEW: Metadata Section ===== */
.metadata-section .optional-badge {
  font-size: 0.7rem;
  font-weight: 400;
  color: var(--text-muted, #64748b);
  background: var(--bg-subtle, #f1f5f9);
  padding: 2px 6px;
  border-radius: 4px;
  margin-left: 4px;
}

.form-label-bold {
  font-weight: 600;
  margin-bottom: 0.5rem;
  display: block;
}

.checkbox-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-weight: normal;
}

.checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
}

/* ===== NEW: Export Section ===== */
.export-section {
  background: var(--bg-subtle);
  border: 2px solid var(--border-default);
  border-radius: var(--radius-lg, 12px);
  transition: border-color 0.3s ease, background 0.3s ease;
}

.export-section:focus-within {
  border-color: var(--primary);
}

.export-section legend {
  color: var(--text-primary);
}

.export-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.export-buttons .btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* ===== NEW: Preview Section ===== */
.preview-section {
  border: 2px dashed var(--border-strong, #cbd5e1);
  background: var(--bg-page, #fafafa);
}

.preview-section.has-content {
  border-style: solid;
  border-color: var(--secondary, #0ea5e9);
  background: var(--bg-card, #fff);
}

.preview-section legend {
  display: flex;
  align-items: center;
  gap: 12px;
}

.preview-edit-hint {
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--text-muted, #64748b);
  font-style: italic;
}

.preview-placeholder {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-muted, #64748b);
}

.preview-placeholder svg {
  color: var(--border-strong, #cbd5e1);
  margin-bottom: 16px;
}

.preview-placeholder p {
  margin: 0 0 8px;
}

.preview-placeholder-hint {
  font-size: 0.85rem;
  color: var(--text-muted, #94a3b8);
}

.participant-data {
  padding: 16px;
  background: var(--bg-subtle, #f8fafc);
  border-radius: 8px;
  margin-bottom: 24px;
  border: 1px solid var(--border-default, #e2e8f0);
}

/* ===== NEW: Task Sections in Preview ===== */
.task-section {
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-default, #e2e8f0);
}

.task-section:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.task-section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.task-section-header h3 {
  margin: 0;
  font-size: 1.1rem;
  color: var(--text-primary, #1e293b);
}

.btn-add-question {
  background: var(--success-bg, #f0fdf4);
  color: var(--success, #16a34a);
  border: 1px solid var(--success-border, #86efac);
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 0.85rem;
  cursor: pointer;
  font-weight: 500;
  transition: all 0.2s ease;
}

.btn-add-question:hover {
  background: var(--success-bg, #dcfce7);
  border-color: var(--success, #16a34a);
}

.questions-container {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* ===== Preview Toolbar ===== */
.preview-toolbar {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-default, #e2e8f0);
}

.preview-toolbar .btn .icon {
  margin-right: 4px;
}

/* Specific spacing for edit mode button icon */
#btnEditMode .icon {
  margin-right: 6px;
}

/* Edit Mode Button States */
#btnEditMode.btn-active {
  background: var(--success, #16a34a);
  color: var(--text-inverse, white);
  border-color: var(--success, #16a34a);
}

#btnEditMode.btn-active:hover {
  filter: brightness(0.9);
}

/* ===== Form Editor Section ===== */
.form-editor-section {
  background: var(--secondary-bg, #f0f9ff);
  border: 2px solid var(--secondary, #0ea5e9);
}

.form-editor-card {
  background: var(--bg-card, #fff);
  border: 1px solid var(--border-default, #e2e8f0);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 16px;
}

.form-editor-card:last-child {
  margin-bottom: 0;
}

.form-editor-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-default, #e2e8f0);
}

.form-editor-card-title {
  margin: 0;
  font-size: 1rem;
  color: var(--text-primary, #1e293b);
}

.form-editor-card-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.form-count-badge {
  background: var(--secondary, #0ea5e9);
  color: var(--text-inverse, white);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
}

.form-add-question-btn {
  background: var(--success-bg, #f0fdf4);
  color: var(--success, #16a34a);
  border: 1px solid var(--success-border, #86efac);
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 0.85rem;
  cursor: pointer;
  font-weight: 500;
  transition: all 0.2s ease;
}

.form-add-question-btn:hover {
  background: var(--success-bg, #dcfce7);
  border-color: var(--success, #16a34a);
}

.form-questions-container {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* Question details elements */
.form-question {
  background: var(--bg-subtle, #f8fafc);
  border: 1px solid var(--border-default, #e2e8f0);
  border-radius: 6px;
  padding: 12px;
}

.form-question[open] {
  padding-bottom: 16px;
}

.form-question summary {
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 4px 0;
  user-select: none;
}

.form-question summary::-webkit-details-marker {
  display: none;
}

.form-question summary::before {
  content: '▶';
  font-size: 0.7rem;
  margin-right: 8px;
  transition: transform 0.2s ease;
}

.form-question[open] summary::before {
  transform: rotate(90deg);
}

.form-question summary strong {
  flex: 1;
}

.remove-question-btn {
  background: var(--danger-bg, #fef2f2);
  color: var(--danger, #dc2626);
  border: 1px solid var(--danger-border, #fca5a5);
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 0.85rem;
  cursor: pointer;
  line-height: 1;
  transition: all 0.2s ease;
}

.remove-question-btn:hover {
  background: var(--danger-bg, #fee2e2);
  border-color: var(--danger, #dc2626);
}

/* Form row for word inputs in cloze */
.form-row-words {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 8px;
}

.form-group-word {
  margin-bottom: 0;
}

.form-group-word label {
  font-size: 0.75rem;
  color: var(--text-muted, #64748b);
}

.form-group-word input {
  padding: 6px 8px;
  font-size: 0.9rem;
}

/* Form inputs styling */
.form-question .form-group {
  margin-bottom: 12px;
}

.form-question .form-group:last-child {
  margin-bottom: 0;
}

.form-question input[type="text"],
.form-question textarea,
.form-question select {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border-strong, #cbd5e1);
  border-radius: 6px;
  font-size: 0.9rem;
  background: var(--bg-card, #fff);
  color: var(--text-primary, inherit);
}

.form-question input[type="text"]:focus,
.form-question textarea:focus,
.form-question select:focus {
  outline: none;
  border-color: var(--secondary, #0ea5e9);
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.15);
}

.form-question textarea {
  min-height: 60px;
  resize: vertical;
}

.form-question label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary, #475569);
  margin-bottom: 4px;
}

/* Fix margin-top in form questions */
.form-question .mt-sm {
  margin-top: 12px;
}

/* ===== NEW: Repair Dialog ===== */
.repair-dialog {
  border: none;
  border-radius: 12px;
  box-shadow: var(--shadow-2xl);
  padding: 24px;
  max-width: 600px;
  width: 90%;
  background: var(--bg-card, #fff);
  color: var(--text-primary, #1e293b);
}

.repair-dialog::backdrop {
  background: rgba(0, 0, 0, 0.5);
}

.repair-dialog h3 {
  margin: 0 0 16px;
  color: var(--text-primary, #1e293b);
}

.repair-dialog ul {
  margin: 0 0 16px;
  padding-left: 20px;
}

.repair-dialog li {
  margin-bottom: 8px;
  color: var(--danger, #dc2626);
}

.repair-preview {
  background: var(--bg-subtle, #f8fafc);
  border: 1px solid var(--border-default, #e2e8f0);
  border-radius: 8px;
  padding: 12px;
  margin-bottom: 16px;
}

.repair-preview h4 {
  margin: 0 0 8px;
  font-size: 0.9rem;
  color: var(--text-muted, #64748b);
}

.repair-preview pre {
  margin: 0;
  font-size: 0.8rem;
  max-height: 200px;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

.dialog-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: flex-end;
}

/* ===== Action Section (hidden for teachers) ===== */
.action-section {
  background: var(--success-bg, #f0fdf4);
  border: 2px solid var(--success, #16a34a);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .json-buttons,
  .export-buttons {
    flex-direction: column;
  }

  .json-buttons .btn,
  .export-buttons .btn {
    width: 100%;
    justify-content: center;
  }

  .task-section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .repair-dialog {
    padding: 16px;
  }
}

/* ===== Responsive: Smartphones (< 576px) ===== */
@media (max-width: 576px) {
  .form-editor-card {
    padding: 12px;
  }

  .question-card {
    padding: 12px;
  }

  .form-row-words {
    grid-template-columns: repeat(2, 1fr);
  }

  .dialog-buttons {
    flex-direction: column;
  }

  .dialog-buttons .btn {
    width: 100%;
  }

  .form-question summary {
    padding: 10px 12px;
  }

  .form-editor-card-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .form-editor-card-actions {
    width: 100%;
    justify-content: space-between;
  }
}

/* ===== Class Suggestions Dropdown ===== */
.class-suggestions-wrapper {
  position: relative;
  display: inline-block;
}

.btn-class-suggestions {
  background: none;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm, 4px);
  padding: 2px 8px;
  font-size: 0.8rem;
  color: var(--fg-muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  vertical-align: middle;
  margin-left: 8px;
  transition: border-color 0.15s, color 0.15s;
}

.btn-class-suggestions:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.btn-class-suggestions[aria-expanded="true"] {
  border-color: var(--primary);
  color: var(--primary);
}

.btn-class-suggestions[aria-expanded="true"] svg {
  transform: rotate(180deg);
}

.class-suggestions-panel {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  min-width: 220px;
  max-width: 320px;
  max-height: 240px;
  overflow-y: auto;
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md, 8px);
  box-shadow: var(--shadow-lg, 0 4px 12px rgba(0,0,0,0.15));
  z-index: 200;
  padding: 4px 0;
}

.class-suggestions-panel.hidden {
  display: none;
}

.class-suggestion-item {
  display: block;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 6px 12px;
  font-size: 0.875rem;
  color: var(--fg-default);
  cursor: pointer;
  transition: background-color 0.1s;
  font-family: inherit;
}

.class-suggestion-item:hover {
  background: var(--bg-hover, rgba(0,0,0,0.05));
}

.class-suggestion-item.is-combination::before {
  content: '\229E ';
  opacity: 0.5;
}

.class-suggestions-empty {
  padding: 8px 12px;
  font-size: 0.85rem;
  color: var(--fg-muted);
  font-style: italic;
}

.class-suggestions-divider {
  height: 1px;
  margin: 4px 0;
  background: var(--border-default);
}

.class-suggestions-heading {
  padding: 4px 12px 2px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}