/**
 * 批量生成样式
 */

/* ========================================
   页面结构
   ======================================== */
.batch-page {
    min-height: 100vh;
    background: var(--bg-secondary);
    padding-bottom: 80px;
}

.batch-page-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 32px 40px;
    color: white;
}

.batch-page-header h1 {
    font-size: 28px;
    font-weight: 700;
    margin: 0 0 8px 0;
}

.batch-page-header p {
    font-size: 14px;
    opacity: 0.9;
    margin: 0;
}

/* ========================================
   TAB导航
   ======================================== */
.batch-tabs {
    display: flex;
    background: white;
    border-bottom: 1px solid var(--border-color);
    padding: 0 40px;
    position: sticky;
    top: 64px;
    z-index: 100;
}

.batch-tab {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 16px 24px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    border-bottom: 2px solid transparent;
    cursor: pointer;
    transition: all 0.2s;
}

.batch-tab:hover {
    color: var(--primary);
    background: var(--bg-secondary);
}

.batch-tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.batch-tab svg {
    width: 18px;
    height: 18px;
}

.batch-tab-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    font-size: 11px;
    font-weight: 600;
    background: var(--primary);
    color: white;
    border-radius: 10px;
}

.batch-tab-badge.empty {
    background: var(--text-muted);
}

/* ========================================
   TAB内容区
   ======================================== */
.batch-tab-content {
    display: none;
    padding: 24px 40px;
    max-width: 1600px;
    margin: 0 auto;
}

.batch-tab-content.active {
    display: block;
}

/* ========================================
   批量上传组件
   ======================================== */
.batch-uploader {
    background: white;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    overflow: hidden;
}

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

.batch-uploader-header h3 {
    font-size: 15px;
    font-weight: 600;
    margin: 0;
}

.batch-uploader-count {
    font-size: 13px;
    color: var(--text-muted);
}

.batch-uploader-count .current-count {
    font-weight: 600;
    color: var(--primary);
}

.batch-uploader-dropzone {
    padding: 48px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
}

.batch-uploader-dropzone:hover {
    background: var(--bg-secondary);
}

.batch-uploader-dropzone.drag-over {
    background: rgba(102, 126, 234, 0.05);
    border: 2px dashed var(--primary);
}

.batch-dropzone-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: var(--text-secondary);
}

.batch-dropzone-content svg {
    color: var(--text-muted);
}

.batch-dropzone-content p {
    font-size: 15px;
    font-weight: 500;
    margin: 0;
}

.batch-dropzone-content span {
    font-size: 13px;
    color: var(--text-muted);
}

.batch-select-btn {
    margin-top: 8px;
    padding: 10px 20px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.batch-select-btn:hover {
    background: var(--primary-dark);
}

/* 图片列表 */
.batch-uploader-list {
    padding: 16px;
}

.batch-list-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.batch-list-title {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
}

.batch-list-actions {
    display: flex;
    gap: 8px;
}

.batch-list-action {
    padding: 6px 12px;
    font-size: 12px;
    color: var(--text-secondary);
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
}

.batch-list-action:hover {
    background: var(--bg-secondary);
    border-color: var(--primary);
    color: var(--primary);
}

.batch-list-action.batch-action-danger:hover {
    background: #fef2f2;
    border-color: #ef4444;
    color: #ef4444;
}

.batch-list-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 12px;
}

.batch-image-item {
    position: relative;
    aspect-ratio: 1;
    border-radius: 8px;
    overflow: hidden;
    background: var(--bg-secondary);
}

.batch-image-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.batch-image-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(transparent 50%, rgba(0,0,0,0.6));
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 8px;
    opacity: 0;
    transition: opacity 0.2s;
}

.batch-image-item:hover .batch-image-overlay {
    opacity: 1;
}

.batch-image-name {
    font-size: 11px;
    color: white;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.batch-image-remove {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,0.6);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    opacity: 0;
    transition: all 0.2s;
}

.batch-image-item:hover .batch-image-remove {
    opacity: 1;
}

.batch-image-remove:hover {
    background: #ef4444;
}

/* ========================================
   配置面板
   ======================================== */
.batch-config-panel {
    background: white;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    padding: 20px;
}

.batch-config-panel h3 {
    font-size: 15px;
    font-weight: 600;
    margin: 0 0 16px 0;
}

.batch-config-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.batch-config-item {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.batch-config-item label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
}

.batch-config-item select,
.batch-config-item input {
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 13px;
    transition: all 0.2s;
}

.batch-config-item select:focus,
.batch-config-item input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.batch-config-item.full-width {
    grid-column: 1 / -1;
}

.batch-config-item textarea {
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 13px;
    resize: vertical;
    min-height: 80px;
}

/* ========================================
   任务列表
   ======================================== */
.task-list-empty {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.task-list-empty svg {
    margin-bottom: 16px;
}

.task-list-empty p {
    font-size: 15px;
    margin: 0 0 8px 0;
}

.task-list-empty span {
    font-size: 13px;
}

.task-item {
    background: white;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    padding: 16px;
    margin-bottom: 12px;
    transition: all 0.2s;
}

.task-item:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.task-item.is-favorite {
    border-color: #fbbf24;
}

.task-item-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
}

.task-item-title {
    display: flex;
    align-items: center;
    gap: 10px;
}

.task-item-title h4 {
    font-size: 15px;
    font-weight: 600;
    margin: 0;
}

.task-status {
    padding: 4px 8px;
    font-size: 11px;
    font-weight: 500;
    border-radius: 4px;
}

.task-status.status-pending {
    background: #fef3c7;
    color: #92400e;
}

.task-status.status-running {
    background: #dbeafe;
    color: #1e40af;
}

.task-status.status-paused {
    background: #f3f4f6;
    color: #4b5563;
}

.task-status.status-completed {
    background: #d1fae5;
    color: #065f46;
}

.task-status.status-failed {
    background: #fee2e2;
    color: #991b1b;
}

.task-favorite-icon {
    color: #fbbf24;
}

.task-item-actions {
    display: flex;
    gap: 8px;
}

.task-action-btn {
    padding: 6px 12px;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
}

.task-action-btn:hover {
    background: var(--bg-secondary);
}

.task-action-btn.task-action-primary {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.task-action-btn.task-action-primary:hover {
    background: var(--primary-dark);
}

.task-action-btn.task-action-danger {
    color: #ef4444;
    border-color: #fecaca;
}

.task-action-btn.task-action-danger:hover {
    background: #fef2f2;
}

.task-item-stats {
    display: flex;
    gap: 16px;
    margin-bottom: 12px;
}

.task-stat {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--text-secondary);
}

.task-stat svg {
    opacity: 0.6;
}

.task-stat.task-stat-fail {
    color: #ef4444;
}

.task-item-progress {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.task-progress-bar {
    flex: 1;
    height: 6px;
    background: var(--bg-secondary);
    border-radius: 3px;
    overflow: hidden;
}

.task-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary) 0%, #764ba2 100%);
    border-radius: 3px;
    transition: width 0.3s;
}

.task-progress-text {
    font-size: 12px;
    font-weight: 600;
    color: var(--primary);
    min-width: 40px;
    text-align: right;
}

.task-item-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.task-item-time {
    font-size: 12px;
    color: var(--text-muted);
}

/* ========================================
   结果网格
   ======================================== */
.result-grid-empty {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.result-grid-empty svg {
    margin-bottom: 16px;
}

.result-grid-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 16px;
}

.result-grid-count {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
}

.result-grid-count label {
    cursor: pointer;
}

.result-grid-actions {
    display: flex;
    gap: 8px;
}

.result-action-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
}

.result-action-btn:hover:not(:disabled) {
    background: var(--bg-secondary);
    border-color: var(--primary);
    color: var(--primary);
}

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

.result-grid-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 16px;
}

.result-item {
    position: relative;
    background: white;
    border-radius: 12px;
    border: 2px solid transparent;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.2s;
}

.result-item:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.result-item.is-selected {
    border-color: var(--primary);
}

.result-item-checkbox {
    position: absolute;
    top: 8px;
    left: 8px;
    z-index: 2;
}

.result-item-checkbox input {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.result-item-preview {
    aspect-ratio: 1;
    background: var(--bg-secondary);
    position: relative;
}

.result-item-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.result-item-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    color: var(--text-muted);
}

.result-item-loading,
.result-item-error {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.9);
}

.result-loading-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.result-item-info {
    padding: 8px 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border-color);
}

.result-item-index {
    font-size: 12px;
    color: var(--text-muted);
}

.result-item-rating {
    display: flex;
    gap: 2px;
}

.result-star {
    font-size: 14px;
    color: #d1d5db;
    cursor: pointer;
    transition: color 0.2s;
}

.result-star:hover,
.result-star.is-active {
    color: #fbbf24;
}

.result-item-actions {
    position: absolute;
    top: 8px;
    right: 8px;
    display: flex;
    gap: 4px;
    opacity: 0;
    transition: opacity 0.2s;
}

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

.result-item-action {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.95);
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
}

.result-item-action:hover {
    background: var(--primary);
    color: white;
}

/* ========================================
   进度面板
   ======================================== */
.progress-panel {
    background: white;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    padding: 16px;
}

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

.progress-panel-header h4 {
    font-size: 14px;
    font-weight: 600;
    margin: 0;
}

.progress-status {
    font-size: 12px;
    font-weight: 500;
    color: var(--primary);
}

.progress-panel-stats {
    display: flex;
    gap: 24px;
    margin-bottom: 16px;
}

.progress-stat {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.progress-stat-value {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
}

.progress-stat-label {
    font-size: 12px;
    color: var(--text-muted);
}

.progress-panel-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.progress-bar-track {
    flex: 1;
    height: 8px;
    background: var(--bg-secondary);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary) 0%, #764ba2 100%);
    border-radius: 4px;
    transition: width 0.3s;
}

.progress-bar-text {
    font-size: 13px;
    font-weight: 600;
    color: var(--primary);
    min-width: 45px;
    text-align: right;
}

.progress-panel-preview {
    border-top: 1px solid var(--border-color);
    padding-top: 12px;
}

.progress-preview-empty {
    text-align: center;
    padding: 20px;
    font-size: 13px;
    color: var(--text-muted);
    margin: 0;
}

.progress-preview-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 8px;
}

.progress-preview-item {
    aspect-ratio: 1;
    border-radius: 6px;
    overflow: hidden;
    background: var(--bg-secondary);
}

.progress-preview-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.progress-preview-loading {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.preview-loading-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* ========================================
   模板管理
   ======================================== */
.template-section {
    background: white;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    padding: 20px;
}

.template-section h3 {
    font-size: 15px;
    font-weight: 600;
    margin: 0 0 16px 0;
}

.template-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 12px;
}

.template-card {
    padding: 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
}

.template-card:hover {
    border-color: var(--primary);
    background: rgba(102, 126, 234, 0.02);
}

.template-card.active {
    border-color: var(--primary);
    background: rgba(102, 126, 234, 0.05);
}

.template-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 8px;
}

.template-card-name {
    font-size: 14px;
    font-weight: 600;
}

.template-card-badge {
    font-size: 10px;
    padding: 2px 6px;
    background: var(--primary);
    color: white;
    border-radius: 4px;
}

.template-card-desc {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.template-card-meta {
    display: flex;
    gap: 12px;
    font-size: 11px;
    color: var(--text-muted);
}

/* ========================================
   布局
   ======================================== */
.batch-layout {
    display: grid;
    gap: 24px;
}

.batch-layout-main {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 24px;
}

.batch-layout-left {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.batch-layout-right {
    display: flex;
    flex-direction: column;
    gap: 24px;
    position: sticky;
    top: 88px;
    align-self: start;
}

/* ========================================
   操作栏
   ======================================== */
.batch-actions-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
}

.batch-actions-left {
    display: flex;
    gap: 12px;
}

.batch-actions-right {
    display: flex;
    gap: 12px;
}

.batch-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
}

.batch-btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
}

.batch-btn-primary:hover {
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
    transform: translateY(-1px);
}

/* 未上传产品图时：按钮视觉弱化，但仍可点击（点击后 toast 提示） */
.batch-btn-primary.is-empty {
    opacity: 0.55;
    filter: saturate(0.7);
}
.batch-btn-primary.is-empty:hover {
    opacity: 0.8;
    filter: saturate(1);
    transform: none;
}

.batch-btn-secondary {
    background: white;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.batch-btn-secondary:hover {
    background: var(--bg-secondary);
}

.batch-btn svg {
    width: 16px;
    height: 16px;
}

/* ========================================
   响应式
   ======================================== */
@media (max-width: 1200px) {
    .batch-layout-main {
        grid-template-columns: 1fr;
    }
    
    .batch-layout-right {
        position: static;
    }
}

@media (max-width: 768px) {
    .batch-tabs {
        padding: 0 16px;
        overflow-x: auto;
    }

    .batch-tab {
        padding: 12px 16px;
        white-space: nowrap;
    }

    .batch-tab-content {
        padding: 16px;
    }

    .batch-config-grid {
        grid-template-columns: 1fr;
    }

    .progress-preview-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ========================================
   多线生成模块
   ======================================== */
#multiTabContent {
    width: 100%;
    max-width: 1400px;
}

.multi-gen-wrap {
    display: grid;
    gap: 20px;
}

.card-panel {
    background: white;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    padding: 20px;
}

.card-panel h3 {
    font-size: 15px;
    font-weight: 600;
    margin: 0 0 14px 0;
}

.multi-gen-config-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 14px;
}

.multi-gen-config-item {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.multi-gen-config-item > label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
}

/* 任务列表头部 */
.multi-gen-tasks-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 14px;
}

.multi-gen-tasks-header h3 {
    margin: 0;
}

.multi-gen-tasks-actions {
    display: flex;
    gap: 8px;
}

/* 任务卡片列表 */
.multi-task-list {
    display: grid;
    gap: 12px;
}

/* 任务卡片 */
.mt-card {
    background: var(--bg-secondary, #f8f9fc);
    border: 1px solid var(--border-color);
    border-left: 3px solid var(--primary, #667eea);
    border-radius: 10px;
    overflow: hidden;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.mt-card:hover {
    border-color: rgba(102, 126, 234, 0.4);
    border-left-color: var(--primary, #667eea);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

/* 任务顶部栏 */
.mt-top {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    background: rgba(0, 0, 0, 0.015);
    border-bottom: 1px solid var(--border-color);
}

.mt-badge {
    width: 26px;
    height: 26px;
    border-radius: 7px;
    background: var(--primary, #667eea);
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    display: inline-grid;
    place-items: center;
    flex-shrink: 0;
}

.mt-mode-tag {
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 4px;
    background: rgba(102, 126, 234, 0.1);
    color: var(--primary, #667eea);
    font-weight: 600;
}

.mt-count-inline {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    color: var(--text-secondary);
}

.mt-count-input {
    width: 52px;
    padding: 4px 6px;
    font-size: 12px;
    border-radius: 6px;
    text-align: center;
    border: 1px solid var(--border-color);
    background: white;
}

.mt-count-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(102, 126, 234, 0.15);
}

.mt-btn-sm {
    padding: 4px 10px !important;
    font-size: 11px !important;
}

/* 任务体 */
.mt-body {
    display: grid;
    grid-template-columns: 1fr 260px;
    gap: 12px;
    padding: 12px 14px;
}

.mt-prompt {
    width: 100%;
    min-height: 64px;
    height: 64px;
    padding: 10px 12px;
    font-size: 13px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    resize: vertical;
    background: white;
    transition: border-color 0.2s;
}

.mt-prompt:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(102, 126, 234, 0.12);
}

/* 参考图区域 */
.mt-ref-col {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.mt-ref-zone {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    border: 1.5px dashed var(--border-color);
    border-radius: 8px;
    padding: 10px;
    text-align: center;
    color: var(--text-muted);
    background: rgba(0, 0, 0, 0.01);
    cursor: pointer;
    font-size: 12px;
    flex: 1;
    min-height: 64px;
    transition: border-color 0.15s, background 0.15s;
}

.mt-ref-zone:hover {
    border-color: var(--primary);
    background: rgba(102, 126, 234, 0.03);
}

.mt-ref-zone.dragover {
    border-color: var(--primary);
    background: rgba(102, 126, 234, 0.08);
}

.mt-ref-thumbs {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
}

.mt-ref-thumb {
    width: 44px;
    height: 44px;
    border-radius: 5px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    background: white;
    position: relative;
}

.mt-ref-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.mt-x-btn {
    position: absolute;
    top: -1px;
    right: -1px;
    background: rgba(239, 68, 68, 0.9);
    color: #fff;
    border: none;
    border-radius: 0 5px 0 5px;
    width: 14px;
    height: 14px;
    font-size: 9px;
    cursor: pointer;
    padding: 0;
    line-height: 14px;
}

/* 生成结果区 */
.mt-results {
    padding: 0 14px 12px;
}

.mt-results-label {
    font-size: 10px;
    color: var(--text-muted);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    font-weight: 600;
    padding-top: 8px;
    border-top: 1px dashed var(--border-color);
}

.mt-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 10px;
}

.mt-gallery-empty {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    font-size: 12px;
    color: var(--text-muted);
    border: 1px dashed var(--border-color);
    border-radius: 8px;
}

.mt-gi {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    background: white;
    transition: transform 0.15s, box-shadow 0.15s;
}

.mt-gi:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
}

.mt-gi-img {
    width: 100%;
    aspect-ratio: 1 / 1;
    display: grid;
    place-items: center;
    color: var(--text-muted);
    font-size: 12px;
    overflow: hidden;
    background: var(--bg-secondary);
}

.mt-gi-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.mt-gi-bar {
    padding: 6px 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border-color);
}

.mt-gi-bar span {
    font-size: 11px;
    color: var(--text-muted);
}

.mt-dl-btn {
    font-size: 11px;
    color: var(--primary);
    cursor: pointer;
    padding: 2px 8px;
    border-radius: 4px;
    background: rgba(102, 126, 234, 0.08);
    user-select: none;
    transition: background 0.15s;
}

.mt-dl-btn:hover {
    background: rgba(102, 126, 234, 0.16);
}

/* 底部操作栏 */
.multi-gen-bottom-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 16px;
    flex-wrap: wrap;
}

.multi-gen-status {
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 500;
}

.multi-gen-status.ok {
    color: #10b981;
}

.multi-gen-status.err {
    color: #ef4444;
}

/* 诊断信息 */
.multi-gen-diag {
    margin-top: 10px;
    padding: 8px 12px;
    border-radius: 8px;
    border: 1px dashed var(--border-color);
    background: var(--bg-secondary);
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.5;
    white-space: pre-wrap;
    word-break: break-word;
}

/* 批量添加弹窗 */
.multi-batch-modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.5);
    place-items: center;
}

.multi-batch-modal.active {
    display: grid;
}

.multi-batch-modal-content {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 24px;
    max-width: 560px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.multi-batch-modal-content h3 {
    font-size: 16px;
    margin: 0 0 10px 0;
}

.multi-batch-textarea {
    width: 100%;
    min-height: 180px;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 13px;
    resize: vertical;
}

.multi-batch-textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(102, 126, 234, 0.12);
}

/* 多线生成响应式 */
@media (max-width: 768px) {
    .multi-gen-config-grid {
        grid-template-columns: 1fr;
    }

    .mt-body {
        grid-template-columns: 1fr;
    }

    .mt-gallery {
        grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    }

    .multi-gen-bottom-bar {
        flex-direction: column;
        align-items: flex-start;
    }
}