/* ========================================
   列表示設定管理画面専用スタイルシート（MEGA統一レイアウト対応）
   名前空間: mega-column-config-
   ======================================== */

/* ========================================
   基本レイアウト
   ======================================== */

/* コンテンツ余白調整 */
.mega-equipment-content .mega-column-config-container {
    margin-top: -8px !important;
    padding-top: 0 !important;
}

/* メインコンテナ */
.mega-column-config-container {
    display: flex;
    flex-direction: column;
    padding: 0.25rem 1rem;
    width: 100%;
    box-sizing: border-box;
    min-height: calc(100vh - var(--header-height) - 25px);
}

/* ========================================
   ヘッダー関連
   ======================================== */

/* 固定ヘッダー領域 */
.mega-column-config-header {
    flex-shrink: 0;
    background-color: var(--color-background);
    z-index: 100;
    padding: 0.4rem 0;
    margin-top: 0.5rem;
}

/* ヘッダータイトル行 */
.mega-column-config-title-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.75rem;
    gap: 1rem;
}

.mega-column-config-title-area {
    flex: 1;
}

.mega-column-config-main-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
    color: var(--color-text-primary);
}

.mega-column-config-subtitle {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    margin: 0.1rem 0 0 0;
    line-height: 1.5;
}

/* ヘッダーアクションボタン群 */
.mega-column-config-header-actions {
    display: flex;
    gap: 0.5rem;
    flex-shrink: 0;
}

/* ========================================
   コンテンツ関連
   ======================================== */

/* スクロール可能なコンテンツ領域 */
.mega-column-config-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding-bottom: 2rem;
}

/* セクション */
.mega-column-config-section {
    border-bottom: 1px solid var(--color-divider);
    padding-bottom: 1.5rem;
    margin-bottom: 1.5rem;
}

.mega-column-config-section:last-child {
    border-bottom: none;
    padding-bottom: 0;
    margin-bottom: 0;
}

.mega-column-config-section-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0;
    color: var(--color-primary);
}

.mega-column-config-section-title .material-symbols-outlined {
    font-size: 1.2rem;
}

/* ========================================
   カード関連
   ======================================== */

/* セクションカード共通スタイル */
.mega-column-config-section-card {
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
    overflow: hidden;
    height: fit-content;
    margin-bottom: 1rem;
}

/* カードヘッダー */
.mega-column-config-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--color-divider);
    background-color: var(--color-background);
}

/* カードコンテンツ */
.mega-column-config-card-content {
    padding: 1.5rem;
}

/* ========================================
   ヘッダーレイアウト関連
   ======================================== */

/* カードヘッダーの左側エリア（タイトル + 検索 + フィルター + カウント） */
.mega-column-config-header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex: 1;
}

/* 検索入力コンテナ */
.mega-column-config-search-container {
    position: relative;
    min-width: 250px;
}

/* 検索入力フィールド */
.mega-column-config-search-input {
    width: 100%;
    padding: 0.5rem 0.75rem 0.5rem 2.5rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    background: var(--color-background);
    color: var(--color-text-primary);
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.mega-column-config-search-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(255, 100, 120, 0.1);
}

.mega-column-config-search-input::placeholder {
    color: var(--color-text-secondary);
}

/* 検索アイコン */
.mega-column-config-search-icon {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-secondary);
    font-size: 1.1rem;
    pointer-events: none;
}

/* フィルターコンテナ */
.mega-column-config-filter-container {
    position: relative;
    min-width: 150px;
}

/* フィルター選択フィールド */
.mega-column-config-filter-select {
    width: 100%;
    padding: 0.5rem 2.5rem 0.5rem 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    background: var(--color-background);
    color: var(--color-text-primary);
    cursor: pointer;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
    appearance: none;
}

.mega-column-config-filter-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(255, 100, 120, 0.1);
}

/* フィルターアイコン */
.mega-column-config-filter-icon {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-secondary);
    font-size: 1.1rem;
    pointer-events: none;
}

/* 列数表示 */
.mega-column-config-column-count {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    background: var(--color-accent-light);
    border: 1px solid var(--color-accent);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-accent);
    white-space: nowrap;
    min-width: fit-content;
}

.mega-column-config-column-count .material-symbols-outlined {
    font-size: 1.1rem;
    color: var(--color-accent);
}

.mega-column-config-column-count #enabled-column-count {
    font-weight: 700;
    color: var(--color-accent);
}

/* ========================================
   フィールド設定関連
   ======================================== */

.mega-column-config-category-section {
    margin-bottom: 2rem;
}

.mega-column-config-category-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 1rem;
    padding: 0.75rem 1rem;
    background: var(--color-background);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--color-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.mega-column-config-category-title .material-symbols-outlined {
    color: var(--color-primary);
    font-size: 1.1rem;
}

.mega-column-config-category-count {
    margin-left: auto;
    color: var(--color-text-secondary);
    font-weight: 400;
    font-size: 0.875rem;
}

.mega-column-config-field-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1rem;
}

.mega-column-config-field-item {
    display: flex;
    align-items: center;
    padding: 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    cursor: pointer;
    transition: all 0.2s ease-in-out;
    position: relative;
    overflow: hidden;
}

.mega-column-config-field-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background-color: var(--color-border);
    transition: all 0.2s;
}

.mega-column-config-field-item:hover {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.mega-column-config-field-item:hover::before {
    background-color: var(--color-primary);
}

.mega-column-config-field-item.checked {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
}

.mega-column-config-field-item.checked::before {
    background-color: var(--color-primary);
}

.mega-column-config-field-checkbox {
    margin-right: 0.75rem;
    width: 16px;
    height: 16px;
    cursor: pointer;
    accent-color: var(--color-primary);
}

.mega-column-config-field-info {
    flex: 1;
}

.mega-column-config-field-label {
    font-weight: 500;
    margin-bottom: 0.25rem;
    color: var(--color-text-primary);
    cursor: pointer;
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.mega-column-config-field-label::before {
    content: '';
    width: 6px;
    height: 6px;
    background-color: var(--color-primary);
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.2s;
}

.mega-column-config-field-item.checked .mega-column-config-field-label::before {
    opacity: 1;
}

.mega-column-config-field-meta {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.25rem;
}

.mega-column-config-badge {
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    line-height: 1;
}

.mega-column-config-badge-outline {
    border: 1px solid var(--color-border);
    background: var(--color-background);
    color: var(--color-text-secondary);
}

.mega-column-config-badge-secondary {
    background: var(--color-divider);
    color: var(--color-text-primary);
}

/* ========================================
   プレビューテーブル関連
   ======================================== */

.mega-column-config-preview-subtitle {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin: 0.5rem 0 0 0;
    line-height: 1.5;
}

.mega-column-config-preview-table-container {
    overflow-x: auto;
    margin-top: 1rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    position: relative; /* ドラッグ時の位置調整 */
}

.mega-column-config-preview-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-surface);
}

.mega-column-config-preview-table th,
.mega-column-config-preview-table td {
    border: 1px solid var(--color-divider);
    padding: 0.75rem;
    text-align: left;
}

.mega-column-config-preview-table th {
    background-color: var(--color-background);
    font-weight: 600;
    color: var(--color-text-primary);
    position: relative;
    min-width: 120px;
    user-select: none;
    cursor: move; /* ヘッダー全体をドラッグ可能にする */
    transition: background-color 0.2s ease;
}

.mega-column-config-preview-table th:hover {
    background-color: var(--color-primary-light);
}

.mega-column-config-preview-table th.sortable-ghost {
    background-color: var(--color-accent-light);
    opacity: 0.5;
}

.mega-column-config-preview-table th.sortable-chosen {
    background-color: var(--color-accent-light);
}

.mega-column-config-preview-table th .header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    width: 100%;
    min-height: 40px; /* 最小高さを設定 */
}

.mega-column-config-preview-table th .drag-handle {
    cursor: grab;
    opacity: 1; /* 常に表示 */
    transition: opacity 0.2s;
    color: var(--color-text-secondary);
    padding: 0.25rem;
    border-radius: var(--radius-sm);
    pointer-events: none; /* ドラッグハンドル自体はクリック無効 */
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

.mega-column-config-preview-table th .drag-handle:hover {
    background-color: var(--color-primary-light);
    color: var(--color-primary);
}

.mega-column-config-preview-table th:hover .drag-handle {
    opacity: 1;
    color: var(--color-primary);
}

.mega-column-config-preview-table th:active {
    cursor: grabbing;
}

/* Sortable状態のスタイル */
.sortable-ghost {
    opacity: 0.4;
    background-color: var(--color-accent-light) !important;
    transform: scale(0.95);
    border: 2px dashed var(--color-accent) !important;
}

.sortable-chosen {
    background-color: var(--color-accent-light) !important;
    transform: scale(1.02);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 1000;
}

.sortable-drag {
    opacity: 0.8;
    transform: rotate(2deg) scale(1.05);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    z-index: 1001;
}

.sortable-fallback {
    display: block !important;
    opacity: 0.8;
    background-color: var(--color-accent-light) !important;
    border: 2px solid var(--color-accent) !important;
    border-radius: var(--radius-md);
}

/* ドロップゾーンのハイライト */
.mega-column-config-preview-table th.sortable-over {
    background-color: var(--color-accent-light);
    border-left: 3px solid var(--color-accent);
    border-right: 3px solid var(--color-accent);
}

/* テーブル全体のドラッグ対応 */
.mega-column-config-preview-table {
    table-layout: fixed; /* 列幅を固定してドラッグ時の安定性向上 */
}

/* タッチデバイス対応 */
@media (hover: none) and (pointer: coarse) {
    .mega-column-config-preview-table th .drag-handle {
        opacity: 1;
    }
    
    .mega-column-config-preview-table th {
        cursor: grab;
    }
    
    .mega-column-config-preview-table th:active {
        cursor: grabbing;
    }
}

.mega-column-config-preview-table th .hide-column {
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.2s;
    color: var(--color-text-secondary);
    padding: 0.25rem;
    border-radius: var(--radius-sm);
    pointer-events: auto; /* クリック可能 */
    z-index: 10; /* ドラッグより前面に */
    position: relative;
}

.mega-column-config-preview-table th:hover .hide-column {
    opacity: 1;
}

.mega-column-config-preview-table th .hide-column:hover {
    color: var(--color-error);
    background-color: rgba(239, 68, 68, 0.1);
}

.mega-column-config-preview-table th .column-order {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    margin-top: 0.25rem;
}

.mega-column-config-preview-table tbody tr:nth-child(even) {
    background-color: var(--color-background);
}

.mega-column-config-preview-table tbody tr:nth-child(odd) {
    background-color: var(--color-surface);
}

.mega-column-config-preview-table td {
    font-size: 0.875rem;
    color: var(--color-text-primary);
}

.mega-column-config-empty-preview {
    text-align: center;
    padding: 3rem;
    color: var(--color-text-secondary);
}

.mega-column-config-empty-preview .material-symbols-outlined {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--color-text-tertiary);
}

.mega-column-config-empty-preview h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--color-text-primary);
}

.mega-column-config-empty-preview p {
    font-size: 0.875rem;
}

/* ========================================
   ボタン関連
   ======================================== */

/* ボタン基本スタイル */
.mega-column-config-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    font-size: 0.9rem;
    text-decoration: none;
    white-space: nowrap;
}

/* ボタンバリエーション */
.mega-column-config-btn-primary {
    background-color: var(--color-primary);
    color: white;
}

.mega-column-config-btn-primary:hover {
    background-color: var(--color-primary-hover);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.mega-column-config-btn-success {
    background-color: var(--color-success);
    color: white;
}

.mega-column-config-btn-error {
    background-color: var(--color-error);
    color: white;
}

.mega-column-config-btn-back {
    background-color: #6b7280;
    color: white;
}

.mega-column-config-btn-back:hover {
    background-color: #4b5563;
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.mega-column-config-btn-outline {
    background-color: var(--color-surface);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
}

.mega-column-config-btn-outline:hover {
    background-color: var(--color-background);
    color: var(--color-text-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.mega-column-config-btn-sm {
    padding: 0.25rem 0.75rem;
    font-size: 0.8rem;
}

/* ========================================
   アクション領域
   ======================================== */

.mega-column-config-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.mega-column-config-actions .mega-column-config-btn {
    padding: 0.75rem 1.5rem;
    font-size: 0.95rem;
}

/* ========================================
   レスポンシブ対応
   ======================================== */

/* タブレット */
@media (max-width: 1200px) {
    .mega-column-config-field-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
    
    .mega-column-config-header-left {
        gap: 0.75rem;
    }
    
    .mega-column-config-search-container {
        min-width: 200px;
    }
    
    .mega-column-config-filter-container {
        min-width: 120px;
    }
}

/* モバイル（大） */
@media (max-width: 768px) {
    .mega-column-config-container {
        padding: 0.25rem;
        min-height: calc(100vh - var(--header-height) - 20px);
    }

    .mega-column-config-header {
        padding-top: 1rem;
        margin-top: 0.5rem;
    }

    .mega-column-config-title-row {
        flex-direction: column;
        align-items: stretch;
        gap: 0.5rem;
    }

    .mega-column-config-header-actions {
        margin-left: 0;
        width: 100%;
        justify-content: flex-end;
    }

    .mega-column-config-field-grid {
        grid-template-columns: 1fr;
    }

    .mega-column-config-card-header {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }

    .mega-column-config-header-left {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }

    .mega-column-config-search-container,
    .mega-column-config-filter-container {
        min-width: auto;
        width: 100%;
    }

    .mega-column-config-card-content {
        padding: 1rem;
    }

    .mega-column-config-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .mega-column-config-actions .mega-column-config-btn {
        width: 100%;
        justify-content: center;
    }
}

/* モバイル（小） */
@media (max-width: 576px) {
    .mega-column-config-container {
        padding: 0.125rem;
    }

    .mega-column-config-header {
        padding-top: 0.75rem;
        margin-top: 0.25rem;
    }

    .mega-column-config-card-content {
        padding: 0.75rem;
    }

    .mega-column-config-header-actions {
        flex-direction: column;
        gap: 0.25rem;
    }

    .mega-column-config-btn {
        width: 100%;
        justify-content: center;
    }
    
    .mega-column-config-search-input {
        padding: 0.625rem 0.75rem 0.625rem 2.25rem;
        font-size: 0.8rem;
    }
    
    .mega-column-config-search-icon {
        left: 0.625rem;
        font-size: 1rem;
    }
    
    .mega-column-config-filter-select {
        padding: 0.625rem 2.25rem 0.625rem 0.75rem;
        font-size: 0.8rem;
    }
    
    .mega-column-config-filter-icon {
        right: 0.625rem;
        font-size: 1rem;
    }
    
    .mega-column-config-column-count {
        font-size: 0.75rem;
        padding: 0.375rem 0.5rem;
    }
}

/* ========================================
   アニメーション
   ======================================== */

@keyframes mega-column-config-fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.mega-column-config-field-item {
    animation: mega-column-config-fadeInUp 0.2s ease-out;
}