/* 
 * ファイル一覧カード + 検索・ページネーション機能
 * DataTables完全廃止版 Ver.2.0
 */

/* === ファイル一覧コンテナ === */
.file-manager {
  margin-top: 20px;
}

.file-manager__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 15px;
}

.file-manager__title {
  margin: 0;
  font-size: 24px;
  color: #333;
  display: flex;
  align-items: center;
  gap: 8px;
}

.file-manager__stats {
  font-size: 14px;
  color: #6c757d;
}

/* === コントロール全体 === */
.file-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 15px;
}

/* === 検索・フィルター === */
.file-search {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  flex: 1;
}

.file-search__input {
  flex: 1;
  min-width: 200px;
  max-width: 400px;
}

.file-search__input input {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 14px;
}

.file-search__input input:focus {
  outline: none;
  border-color: #007bff;
  box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.25);
}

.file-search__sort {
  display: flex;
  align-items: center;
  gap: 5px;
}

.file-search__sort select {
  padding: 6px 10px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 14px;
  background: white;
}

.file-search__clear {
  padding: 6px 12px;
  background: #6c757d;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
}

.file-search__clear:hover {
  background: #5a6268;
}

/* === ビュー切り替えボタン === */
.file-view-toggle {
  display: flex;
  gap: 2px;
  border: 1px solid #ddd;
  border-radius: 4px;
  overflow: hidden;
}

.file-view-toggle__btn {
  padding: 6px 12px;
  background: white;
  color: #6c757d;
  border: none;
  cursor: pointer;
  font-size: 14px;
  transition: all 0.2s ease;
}

.file-view-toggle__btn:hover {
  background: #f8f9fa;
  color: #333;
}

.file-view-toggle__btn--active {
  background: #007bff;
  color: white;
}

.file-view-toggle__btn--active:hover {
  background: #0056b3;
}

/* === 統一カードレイアウト === */
.file-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}

/* === リストビューレイアウト === */
.file-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.file-list-item {
  display: flex;
  align-items: center;
  background: white;
  border: 1px solid #e9ecef;
  border-radius: 6px;
  padding: 12px 16px;
  transition: all 0.2s ease;
  gap: 12px;
}

.file-list-item:hover {
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
  border-color: #007bff;
}

.file-list-item__icon {
  font-size: 24px;
  width: 32px;
  text-align: center;
  flex-shrink: 0;
}

.file-list-item__main {
  flex: 1;
  min-width: 0;
}

.file-list-item__info {
  margin-bottom: 4px;
}

.file-list-item__filename {
  display: block;
  font-size: 16px;
  font-weight: 600;
  color: #007bff;
  text-decoration: none;
  margin-bottom: 2px;
  word-break: break-word;
}

.file-list-item__filename:hover {
  color: #0056b3;
  text-decoration: underline;
}

.file-list-item__comment {
  font-size: 13px;
  color: #6c757d;
  margin: 0;
  line-height: 1.3;
  max-height: 2.6em;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.file-list-item__meta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.file-list-item__meta-item {
  font-size: 12px;
  color: #6c757d;
  display: flex;
  align-items: center;
  gap: 2px;
}

.file-list-item__meta-label {
  font-weight: 500;
}

.file-list-item__meta-value {
  color: #333;
  font-weight: 600;
}

.file-list-item__actions {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

.file-list-item__btn {
  width: 32px;
  height: 32px;
  border: 1px solid #ddd;
  background: white;
  color: #333;
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  font-size: 16px;
  transition: all 0.2s ease;
  cursor: pointer;
}

.file-list-item__btn:hover {
  background: #f8f9fa;
  border-color: #007bff;
  color: #007bff;
  text-decoration: none;
}

.file-list-item__btn--delete {
  border-color: #dc3545;
  color: #dc3545;
}

.file-list-item__btn--delete:hover {
  background: #dc3545;
  color: white;
}

.file-card-v2 {
  background: white;
  border: 1px solid #e9ecef;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  transition: all 0.2s ease;
  overflow: hidden;
}

.file-card-v2:hover {
  box-shadow: 0 4px 8px rgba(0,0,0,0.15);
  transform: translateY(-2px);
}

.file-card-v2__header {
  padding: 16px;
  background: #f8f9fa;
  border-bottom: 1px solid #e9ecef;
}

.file-card-v2__filename {
  display: block;
  font-size: 16px;
  font-weight: 600;
  color: #007bff;
  text-decoration: none;
  margin-bottom: 4px;
  word-break: break-word;
}

.file-card-v2__filename:hover {
  color: #0056b3;
  text-decoration: underline;
}

.file-card-v2__comment {
  font-size: 14px;
  color: #6c757d;
  margin: 0;
  line-height: 1.4;
  max-height: 2.8em;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.file-card-v2__body {
  padding: 16px;
}

.file-card-v2__meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 16px;
  margin-bottom: 16px;
}

.file-card-v2__meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
}

.file-card-v2__meta-icon {
  font-size: 16px;
  width: 20px;
  text-align: center;
}

.file-card-v2__meta-label {
  color: #6c757d;
  font-weight: 500;
  min-width: 40px;
}

.file-card-v2__meta-value {
  color: #333;
  font-weight: 600;
}

.file-card-v2__actions {
  display: flex;
  gap: 8px;
  border-top: 1px solid #e9ecef;
  padding-top: 12px;
}

.file-card-v2__btn {
  flex: 1;
  padding: 8px 12px;
  border: 1px solid #007bff;
  background: white;
  color: #007bff;
  text-decoration: none;
  text-align: center;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s ease;
  cursor: pointer;
}

.file-card-v2__btn:hover {
  background: #007bff;
  color: white;
  text-decoration: none;
}

.file-card-v2__btn--delete {
  border-color: #dc3545;
  color: #dc3545;
}

.file-card-v2__btn--delete:hover {
  background: #dc3545;
  color: white;
}

/* === ページネーション === */
.file-pagination {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 20px;
  flex-wrap: wrap;
  gap: 15px;
}

.file-pagination__info {
  font-size: 14px;
  color: #6c757d;
}

.file-pagination__controls {
  display: flex;
  align-items: center;
  gap: 10px;
}

.file-pagination__per-page {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 14px;
}

.file-pagination__per-page select {
  padding: 4px 8px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 14px;
}

.file-pagination__nav {
  display: flex;
  gap: 5px;
}

.file-pagination__btn {
  padding: 6px 12px;
  border: 1px solid #ddd;
  background: white;
  color: #333;
  text-decoration: none;
  border-radius: 4px;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.file-pagination__btn:hover:not(:disabled) {
  background: #f8f9fa;
  border-color: #007bff;
  color: #007bff;
  text-decoration: none;
}

.file-pagination__btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.file-pagination__btn--active {
  background: #007bff;
  border-color: #007bff;
  color: white;
}

.file-pagination__btn--active:hover {
  background: #0056b3;
  border-color: #0056b3;
}

/* === 空状態 === */
.file-empty {
  text-align: center;
  padding: 60px 20px;
  color: #6c757d;
}

.file-empty__icon {
  font-size: 48px;
  margin-bottom: 16px;
  opacity: 0.5;
}

.file-empty__title {
  font-size: 20px;
  margin-bottom: 8px;
  color: #495057;
}

.file-empty__message {
  font-size: 14px;
  margin: 0;
}

/* === 検索結果なし === */
.file-no-results {
  text-align: center;
  padding: 40px 20px;
  color: #6c757d;
}

/* === ローディング === */
.file-loading {
  text-align: center;
  padding: 40px 20px;
  color: #6c757d;
}

.file-loading__spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid #f3f3f3;
  border-top: 2px solid #007bff;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-right: 8px;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* === レスポンシブ === */
@media (max-width: 768px) {
  .file-cards {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  
  .file-card-v2__meta {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  
  .file-manager__header {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .file-controls {
    flex-direction: column;
    align-items: stretch;
  }
  
  .file-search {
    flex-direction: column;
    align-items: stretch;
  }
  
  .file-search__input {
    max-width: none;
  }
  
  .file-view-toggle {
    align-self: center;
  }
  
  .file-pagination {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  
  .file-pagination__controls {
    flex-direction: column;
    width: 100%;
  }
  
  /* リストビューのレスポンシブ対応 */
  .file-list-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  
  .file-list-item__main {
    width: 100%;
  }
  
  .file-list-item__meta {
    justify-content: space-between;
  }
  
  .file-list-item__actions {
    align-self: center;
    margin-top: 4px;
  }
}

@media (max-width: 480px) {
  .file-card-v2__actions {
    flex-direction: column;
  }
  
  .file-pagination__nav {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .file-list-item__meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
}

/* === 隠しクラス（DataTables削除用） === */
.file-table-container {
  display: none !important;
}

/* DataTablesスタイルの上書き */
.dataTables_wrapper {
  display: none !important;
}