/**
 * VKC メソッドリファレンス - 管理画面スタイル
 */

/* ===== CSS変数定義 ===== */
:root {
  --bg-primary: #f7fafd;
  --bg-secondary: #fff;
  --bg-tertiary: #f0f4f8;
  --border-color: #e2e7e7;
  --text-primary: #003672;
  --text-secondary: #3a5a7c;
  --text-muted: #6b7d94;
  --accent-color: #003672;
  --accent-hover: #002855;
  --success-color: #27ae60;
  --warning-color: #e67e22;
  --danger-color: #e74c3c;
  --info-color: #3498db;
  --shadow-color: rgba(0,54,114,0.1);
}

/* ===== リセット・基本設定 ===== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

.material-icons {
  font-family: 'Material Icons';
  font-weight: normal;
  font-style: normal;
  display: inline-block;
  line-height: 1;
  text-transform: none;
  letter-spacing: normal;
  word-wrap: normal;
  white-space: nowrap;
  direction: ltr;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Hiragino Sans', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  margin: 0;
}

/* ===== コンテナ ===== */
.admin-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ===== ヘッダー ===== */
.admin-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  box-shadow: 0 2px 4px var(--shadow-color);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-left .material-icons {
  font-size: 1.8rem;
  color: var(--accent-color);
}

.header-left h1 {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--text-primary);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.view-site-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  transition: all 0.2s;
}

.view-site-btn:hover {
  background: var(--bg-secondary);
  border-color: var(--accent-color);
  color: var(--accent-color);
}

.save-all-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 20px;
  background: var(--accent-color);
  border: none;
  border-radius: 6px;
  color: #fff;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.save-all-btn:hover:not(:disabled) {
  background: var(--accent-hover);
}

.save-all-btn:disabled {
  background: var(--border-color);
  color: var(--text-muted);
  cursor: not-allowed;
}

/* ===== ボディ ===== */
.admin-body {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* ===== サイドバー ===== */
.admin-sidebar {
  width: 200px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  padding: 16px 0;
  flex-shrink: 0;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;
  border-left: 3px solid transparent;
}

.nav-item:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.nav-item.active {
  background: var(--bg-tertiary);
  color: var(--accent-color);
  border-left-color: var(--accent-color);
  font-weight: 500;
}

.nav-item .material-icons {
  font-size: 1.25rem;
}

.nav-label {
  font-size: 0.9rem;
}

/* ===== メインコンテンツ ===== */
.admin-main {
  flex: 1;
  padding: 24px;
  overflow-y: auto;
  background: var(--bg-primary);
}

/* ===== ローディング ===== */
.loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px;
  color: var(--text-muted);
}

.loading .material-icons {
  font-size: 3rem;
  margin-bottom: 16px;
}

.spin {
  animation: spin 1s linear infinite;
}

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

/* ===== ローディングヘルプ ===== */
.loading-help {
  margin-top: 20px;
  animation: fadeIn 0.3s ease-in;
}

.loading-help a {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--accent-color);
  text-decoration: none;
  font-size: 0.9rem;
  padding: 8px 16px;
  background: var(--bg-tertiary);
  border-radius: 6px;
  transition: all 0.2s;
}

.loading-help a:hover {
  background: var(--bg-secondary);
  box-shadow: 0 2px 8px var(--shadow-color);
}

.loading-help a .material-icons {
  font-size: 1.1rem;
}

.loading-help-content {
  margin-top: 20px;
  padding: 20px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  text-align: left;
  max-width: 450px;
  animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== セクション ===== */
.admin-section {
  background: var(--bg-secondary);
  border-radius: 8px;
  border: 1px solid var(--border-color);
  overflow: hidden;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-color);
}

.section-header h2 {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.section-header h2 .material-icons {
  color: var(--accent-color);
}

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

/* ===== カスタムドロップダウン ===== */
.custom-dropdown {
  position: relative;
}

.dropdown-trigger {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  height: 36px;
  cursor: pointer;
  transition: border-color 0.2s;
  font-size: 0.875rem;
  color: var(--text-primary);
  min-width: 160px;
}

.dropdown-trigger:hover,
.custom-dropdown.open .dropdown-trigger {
  border-color: var(--accent-color);
}

.dropdown-icon {
  color: var(--text-muted);
  font-size: 1.1rem !important;
  flex-shrink: 0;
}

.dropdown-label {
  flex: 1;
  text-align: left;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.dropdown-arrow {
  color: var(--text-muted);
  font-size: 1.25rem !important;
  transition: transform 0.2s;
  flex-shrink: 0;
}

.custom-dropdown.open .dropdown-arrow {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  min-width: 100%;
  max-height: 300px;
  overflow-y: auto;
  background-color: #fff;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all 0.2s;
  list-style: none;
  margin: 0;
  padding: 4px 0;
}

.custom-dropdown.open .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: block;
  padding: 10px 14px;
  cursor: pointer;
  font-size: 0.875rem;
  color: var(--text-primary);
  background-color: transparent;
  transition: background-color 0.15s;
  white-space: nowrap;
  text-decoration: none;
  border: none;
  width: 100%;
  text-align: left;
}

.dropdown-item:hover {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
}

.dropdown-item.selected {
  background-color: rgba(0, 54, 114, 0.08);
  color: var(--accent-color);
  font-weight: 500;
}

.dropdown-item:first-child {
  border-radius: 0;
}

.dropdown-item:last-child {
  border-radius: 0;
}

.dropdown-item:only-child {
  border-radius: 0;
}

/* フォーム内ドロップダウン */
.form-dropdown {
  width: 100%;
}

.form-dropdown .dropdown-trigger {
  width: 100%;
  min-width: auto;
  background: var(--bg-secondary);
  padding: 10px 12px;
  height: auto;
}

.form-dropdown .dropdown-menu {
  max-height: 200px;
}

.search-box-container {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  height: 36px;
  transition: border-color 0.2s;
}

.search-box-container:focus-within {
  border-color: var(--accent-color);
}

.search-box-container .material-icons {
  color: var(--text-muted);
  font-size: 1.1rem;
}

.search-input {
  border: none;
  outline: none;
  background: transparent;
  font-size: 0.875rem;
  width: 200px;
  color: var(--text-primary);
}

.search-input::placeholder {
  color: var(--text-muted);
}

.add-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: var(--accent-color);
  border: none;
  border-radius: 6px;
  color: #fff;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.2s;
}

.add-btn:hover {
  background: var(--accent-hover);
}

.section-content {
  padding: 16px;
}

/* ===== リストコンテナ ===== */
.list-container {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* ===== リストアイテム ===== */
.list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--bg-tertiary);
  border-radius: 6px;
  border: 1px solid transparent;
  transition: all 0.2s;
}

.list-item:hover {
  border-color: var(--border-color);
  box-shadow: 0 2px 4px var(--shadow-color);
}

.list-item-main {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  min-width: 0;
}

.list-item-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  border-radius: 6px;
  color: var(--accent-color);
  flex-shrink: 0;
}

.list-item-info {
  flex: 1;
  min-width: 0;
}

.list-item-title {
  font-weight: 500;
  color: var(--text-primary);
  font-size: 0.95rem;
}

.list-item-subtitle {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.list-item-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.8rem;
}

.list-item-badge {
  padding: 2px 8px;
  background: var(--bg-secondary);
  border-radius: 12px;
  font-size: 0.75rem;
}

.list-item-actions {
  display: flex;
  align-items: center;
  gap: 4px;
  opacity: 0;
  transition: opacity 0.2s;
}

.list-item:hover .list-item-actions {
  opacity: 1;
}

.action-btn {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;
}

.action-btn:hover {
  border-color: var(--accent-color);
  color: var(--accent-color);
}

.action-btn.danger:hover {
  border-color: var(--danger-color);
  color: var(--danger-color);
}

.action-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.action-btn .material-icons {
  font-size: 1rem;
}

/* ===== フッター ===== */
.admin-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 24px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
}

.status-left {
  display: flex;
  align-items: center;
  gap: 8px;
}

.status-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success-color);
}

.status-indicator.saving {
  background: var(--warning-color);
  animation: pulse 1s ease-in-out infinite;
}

.status-indicator.error {
  background: var(--danger-color);
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.status-text {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.change-count {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.change-count.has-changes {
  color: var(--warning-color);
  font-weight: 500;
}

/* ===== モーダル ===== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-overlay.active {
  display: flex;
}

.modal {
  background: var(--bg-secondary);
  border-radius: 12px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
  width: 90%;
  max-width: 700px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.modal-close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  border-radius: 4px;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s;
}

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

.modal-body {
  padding: 20px;
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  padding: 16px 20px;
  border-top: 1px solid var(--border-color);
  background: var(--bg-tertiary);
}

/* ===== ボタン ===== */
.btn {
  padding: 8px 20px;
  border-radius: 6px;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--accent-color);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-hover);
}

.btn-secondary {
  background: var(--bg-secondary);
  border-color: var(--border-color);
  color: var(--text-secondary);
}

.btn-secondary:hover {
  border-color: var(--text-muted);
}

.btn-danger {
  background: var(--danger-color);
  color: #fff;
}

.btn-danger:hover {
  background: #c0392b;
}

/* ===== フォーム要素 ===== */
.form-group {
  margin-bottom: 16px;
}

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

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-label .required {
  color: var(--danger-color);
  margin-left: 2px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 0.9rem;
  color: var(--text-primary);
  background: var(--bg-secondary);
  transition: border-color 0.2s;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--accent-color);
}

.form-textarea {
  min-height: 100px;
  resize: vertical;
  font-family: inherit;
}

.form-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ===== 複数行フォームグループ ===== */
.form-row {
  display: flex;
  gap: 16px;
}

.form-row .form-group {
  flex: 1;
}

/* ===== アイコン選択 ===== */
.icon-select-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
  width: 100%;
}

.icon-select-btn:hover {
  border-color: var(--accent-color);
}

.icon-select-btn .preview-icon {
  font-size: 1.5rem;
  color: var(--accent-color);
}

.icon-select-btn .icon-name {
  flex: 1;
  text-align: left;
  color: var(--text-primary);
}

/* ===== アイコンピッカー ===== */
.icon-picker-modal {
  max-width: 500px;
}

.icon-search-container {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  margin-bottom: 16px;
}

.icon-search-container .material-icons {
  color: var(--text-muted);
}

.icon-search {
  border: none;
  outline: none;
  background: transparent;
  flex: 1;
  font-size: 0.9rem;
  color: var(--text-primary);
}

.icon-grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 4px;
  max-height: 300px;
  overflow-y: auto;
  padding: 8px;
  background: var(--bg-tertiary);
  border-radius: 6px;
}

.icon-option {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  border: 2px solid transparent;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
}

.icon-option:hover {
  border-color: var(--border-color);
}

.icon-option.selected {
  border-color: var(--accent-color);
  background: rgba(0, 54, 114, 0.1);
}

.icon-option .material-icons {
  font-size: 1.25rem;
  color: var(--text-secondary);
}

.icon-manual {
  margin-top: 16px;
}

.icon-manual label {
  display: block;
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.icon-manual-input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 0.9rem;
}

/* ===== 削除確認モーダル ===== */
.delete-confirm-modal {
  max-width: 400px;
}

.delete-confirm-modal .modal-body p {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ===== チェックボックスグループ ===== */
.checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.checkbox-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
}

.checkbox-item:hover {
  border-color: var(--accent-color);
}

.checkbox-item.checked {
  background: rgba(0, 54, 114, 0.1);
  border-color: var(--accent-color);
}

.checkbox-item input {
  display: none;
}

.checkbox-item .checkmark {
  width: 16px;
  height: 16px;
  border: 2px solid var(--border-color);
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.checkbox-item.checked .checkmark {
  background: var(--accent-color);
  border-color: var(--accent-color);
}

.checkbox-item .checkmark .material-icons {
  font-size: 12px;
  color: #fff;
  display: none;
}

.checkbox-item.checked .checkmark .material-icons {
  display: block;
}

/* ===== 動的リスト（引数、キーワードなど） ===== */
.dynamic-list {
  border: 1px solid var(--border-color);
  border-radius: 6px;
  overflow: hidden;
}

.dynamic-list-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 12px;
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-color);
}

.dynamic-list-title {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.dynamic-list-add {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  background: var(--accent-color);
  border: none;
  border-radius: 4px;
  color: #fff;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.2s;
}

.dynamic-list-add:hover {
  background: var(--accent-hover);
}

.dynamic-list-items {
  padding: 8px;
}

.dynamic-list-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 10px;
  background: var(--bg-tertiary);
  border-radius: 6px;
  margin-bottom: 8px;
}

.dynamic-list-item:last-child {
  margin-bottom: 0;
}

.dynamic-list-item-content {
  flex: 1;
}

.dynamic-list-item-remove {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  border-radius: 4px;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s;
  flex-shrink: 0;
}

.dynamic-list-item-remove:hover {
  background: var(--danger-color);
  color: #fff;
}

.dynamic-list-item-remove .material-icons {
  font-size: 1rem;
}

.dynamic-list-empty {
  padding: 20px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* ===== タグ入力 ===== */
.tag-input-container {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 8px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  min-height: 44px;
}

.tag-input-container:focus-within {
  border-color: var(--accent-color);
}

.tag {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
  background: var(--bg-tertiary);
  border-radius: 4px;
  font-size: 0.8rem;
  color: var(--text-primary);
}

.tag-remove {
  width: 16px;
  height: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  border-radius: 50%;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s;
}

.tag-remove:hover {
  background: var(--danger-color);
  color: #fff;
}

.tag-remove .material-icons {
  font-size: 12px;
}

.tag-input {
  flex: 1;
  min-width: 100px;
  border: none;
  outline: none;
  background: transparent;
  font-size: 0.875rem;
  color: var(--text-primary);
}

/* ===== トースト通知 ===== */
.toast {
  position: fixed;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  background: var(--text-primary);
  color: #fff;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s;
  z-index: 2000;
}

.toast.show {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.toast.success {
  background: var(--success-color);
}

.toast.error {
  background: var(--danger-color);
}

.toast.warning {
  background: var(--warning-color);
}

.toast-icon {
  font-size: 1.25rem;
}

.toast-message {
  font-size: 0.9rem;
}

/* ===== セクション内カード ===== */
.form-section {
  background: var(--bg-tertiary);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 16px;
}

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

.form-section-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.form-section-title .material-icons {
  font-size: 1.1rem;
  color: var(--accent-color);
}

/* ===== コードエディタ ===== */
.code-textarea {
  font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
  font-size: 0.85rem;
  line-height: 1.5;
  tab-size: 2;
  white-space: pre;
}

/* ===== 空状態 ===== */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.empty-state .material-icons {
  font-size: 3rem;
  margin-bottom: 16px;
  opacity: 0.5;
}

.empty-state p {
  font-size: 0.9rem;
}

/* ===== レスポンシブ ===== */
@media (max-width: 768px) {
  .admin-sidebar {
    width: 60px;
  }

  .nav-label {
    display: none;
  }

  .nav-item {
    justify-content: center;
    padding: 12px;
  }

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

  .section-actions {
    flex-direction: column;
  }

  .search-input {
    width: 100%;
  }

  .custom-dropdown {
    width: 100%;
  }

  .dropdown-trigger {
    width: 100%;
    min-width: auto;
  }

  .form-row {
    flex-direction: column;
  }

  .icon-grid {
    grid-template-columns: repeat(6, 1fr);
  }
}