/* ========== 投标文件生成 V4 ========== */
.gen4-page {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.gen4-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    padding: 20px 24px;
}

.gen4-title {
    font-size: 18px;
    font-weight: 600;
    margin: 0;
}

.gen4-subtitle {
    font-size: 13px;
    color: var(--text-muted);
    margin: 4px 0 0;
}

/* 文档列表 */
.gen4-doc-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.gen4-empty {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.gen4-empty svg {
    margin-bottom: 12px;
    opacity: 0.4;
}

.gen4-empty p {
    margin: 8px 0;
}

.gen4-doc-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    padding: 16px 20px;
    cursor: pointer;
    transition: all 0.2s;
}

.gen4-doc-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
}

.gen4-doc-info {
    flex: 1;
    min-width: 0;
}

.gen4-doc-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.gen4-doc-meta {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 8px;
}

.gen4-doc-tag {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    background: var(--bg-body);
    border-radius: 4px;
    font-size: 12px;
    color: var(--text-secondary);
}

.gen4-doc-progress {
    width: 200px;
    height: 4px;
    background: var(--bg-body);
    border-radius: 2px;
    overflow: hidden;
}

.gen4-doc-progress-bar {
    height: 100%;
    background: var(--primary);
    border-radius: 2px;
    transition: width 0.3s;
}

.gen4-doc-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.gen4-doc-status {
    font-size: 12px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 12px;
}

.gen4-doc-status.status-done {
    background: rgba(34, 197, 94, 0.1);
    color: var(--success);
}

.gen4-doc-status.status-progress {
    background: rgba(59, 130, 246, 0.1);
    color: var(--info);
}

.gen4-doc-status.status-pending {
    background: rgba(156, 163, 175, 0.1);
    color: var(--text-muted);
}

/* ========== 编辑视图 ========== */
.gen4-edit-page {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.gen4-edit-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    padding: 16px 20px;
}

.gen4-edit-info {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.gen4-edit-title {
    font-size: 18px;
    font-weight: 600;
    margin: 0;
}

.gen4-edit-actions {
    display: flex;
    gap: 8px;
}

/* 工作区布局 */
.gen4-workspace {
    display: grid;
    grid-template-columns: 340px 1fr;
    gap: 16px;
    min-height: calc(100vh - 200px);
}

/* 目录面板 — 可拖拽调整宽度 */
.gen4-toc-panel {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    resize: horizontal;
    min-width: 280px;
    max-width: 600px;
    overflow-x: auto;
}

.gen4-toc-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
}

.gen4-panel-title {
    font-weight: 600;
    font-size: 14px;
}

.gen4-toc-toolbar-actions {
    display: flex;
    gap: 4px;
}

.btn-icon {
    width: 28px;
    height: 28px;
    border: none;
    background: var(--bg-body);
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

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

.gen4-toc-progress {
    position: relative;
    padding: 8px 16px;
    border-bottom: 1px solid var(--border-color);
}

.gen4-toc-progress-bar {
    height: 4px;
    background: var(--primary);
    border-radius: 2px;
    transition: width 0.3s;
}

.gen4-toc-progress-text {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 11px;
    color: var(--text-muted);
}

.gen4-toc-tree {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
}

.gen4-toc-empty {
    text-align: center;
    color: var(--text-muted);
    padding: 40px 16px;
    font-size: 13px;
}

/* 目录项 */
.gen4-toc-item {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 8px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.15s;
    position: relative;
    font-size: 13px;
}

.gen4-toc-item:hover {
    background: var(--bg-body);
}

.gen4-toc-item.active {
    background: rgba(59, 130, 246, 0.08);
    border-left: 3px solid var(--primary);
    padding-left: 5px;
}

.gen4-toc-item.completed .gen4-toc-title {
    color: var(--success);
}

.gen4-toc-item.selected {
    background: rgba(168, 85, 247, 0.08);
    border-left: 3px solid #a855f7;
    padding-left: 5px;
}

.gen4-toc-item[draggable="true"] {
    cursor: grab;
}

.gen4-toc-item[draggable="true"]:active {
    cursor: grabbing;
    opacity: 0.6;
}

.gen4-toc-checkbox {
    font-size: 13px;
    cursor: pointer;
    flex-shrink: 0;
    user-select: none;
    width: 18px;
    text-align: center;
}

.gen4-toc-checkbox:hover {
    color: var(--primary);
}

.gen4-toc-collapse {
    font-size: 10px;
    cursor: pointer;
    flex-shrink: 0;
    width: 14px;
    text-align: center;
    user-select: none;
    color: var(--text-muted);
}

.gen4-toc-collapse:hover {
    color: var(--primary);
}

.gen4-toc-status {
    font-size: 14px;
    flex-shrink: 0;
}

.gen4-toc-number {
    font-size: 11px;
    color: var(--text-muted);
    flex-shrink: 0;
    min-width: 28px;
}

.gen4-toc-source {
    flex-shrink: 0;
}

.gen4-toc-title {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    outline: none;
    padding: 1px 4px;
    border-radius: 3px;
    cursor: text;
}

.gen4-toc-title:focus {
    background: #fff;
    box-shadow: 0 0 0 2px var(--primary, #3b82f6);
    overflow: visible;
    text-overflow: clip;
}

.gen4-toc-blank-badge {
    flex-shrink: 0;
    padding: 1px 6px;
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
    border-radius: 8px;
    font-size: 10px;
}

.gen4-toc-item-actions {
    display: none;
    gap: 2px;
    flex-shrink: 0;
}

.gen4-toc-item:hover .gen4-toc-item-actions {
    display: flex;
}

.btn-icon-sm {
    width: 22px;
    height: 22px;
    border: none;
    background: transparent;
    border-radius: 4px;
    cursor: pointer;
    font-size: 11px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.6;
    transition: all 0.15s;
}

.btn-icon-sm:hover {
    background: var(--border-color);
    opacity: 1;
}

/* 内容面板 */
.gen4-content-panel {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    overflow-y: auto;
}

.gen4-content-empty {
    text-align: center;
    padding: 80px 24px;
    color: var(--text-muted);
}

.gen4-content-empty svg {
    margin-bottom: 12px;
    opacity: 0.4;
}

.gen4-content-empty-hint {
    font-size: 12px;
    margin-top: 8px;
    opacity: 0.8;
}

/* 内容编辑器 */
.gen4-content-editor {
    padding: 20px 24px;
}

.gen4-ce-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 16px;
}

.gen4-ce-number {
    font-weight: 600;
    color: var(--primary);
    margin-right: 8px;
}

.gen4-ce-title {
    font-size: 18px;
    font-weight: 600;
}

.gen4-ce-source-badge {
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 12px;
}

.gen4-ce-source-badge.source-attachment {
    background: rgba(107, 114, 128, 0.1);
    color: var(--text-secondary);
}

.gen4-ce-source-badge.source-scoring {
    background: rgba(34, 197, 94, 0.1);
    color: var(--success);
}

.gen4-ce-source-badge.source-auto {
    background: rgba(59, 130, 246, 0.1);
    color: var(--info);
}

/* 空缺提示 */
.gen4-ce-blanks {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    padding: 10px 14px;
    background: rgba(245, 158, 11, 0.05);
    border: 1px solid rgba(245, 158, 11, 0.2);
    border-radius: 8px;
    margin-bottom: 16px;
}

.gen4-ce-blanks-label {
    font-size: 13px;
    color: var(--warning);
    font-weight: 500;
}

.gen4-ce-blank-tag {
    padding: 2px 8px;
    background: rgba(245, 158, 11, 0.15);
    border: 1px solid rgba(245, 158, 11, 0.3);
    border-radius: 4px;
    font-size: 12px;
    color: var(--warning);
}

/* 引用选择器 */
.gen4-ce-refs {
    background: var(--bg-body);
    border-radius: 10px;
    padding: 14px 16px;
    margin-bottom: 16px;
}

.gen4-ce-refs-title {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.gen4-ce-refs-hint {
    font-size: 11px;
    font-weight: 400;
    color: var(--text-muted);
}

.gen4-ce-ref-section {
    margin-bottom: 10px;
}

.gen4-ce-ref-section:last-child {
    margin-bottom: 0;
}

.gen4-ce-ref-label {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 6px;
    font-weight: 600;
}

.gen4-ce-ref-items {
    margin-bottom: 4px;
}

.gen4-ref-select {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 13px;
    background: var(--bg-card);
    color: var(--text-primary);
    cursor: pointer;
    outline: none;
    transition: border-color 0.2s;
}

.gen4-ref-select:hover {
    border-color: var(--primary);
}

.gen4-ref-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.1);
}

.gen4-local-btn {
    background: var(--bg-card) !important;
    border: 1px solid var(--border-color) !important;
    color: var(--text-primary) !important;
}

.gen4-local-btn:hover {
    border-color: var(--primary) !important;
    background: var(--bg-body) !important;
}

.gen4-ref-empty {
    font-size: 12px;
    color: var(--text-muted);
}

.gen4-ce-ref-selected {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 6px;
}

.gen4-ref-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    background: rgba(59, 130, 246, 0.1);
    color: var(--info);
    border-radius: 12px;
    font-size: 12px;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.gen4-ref-chip.ref-tender {
    background: rgba(34, 197, 94, 0.1);
    color: var(--success);
    border-color: rgba(34, 197, 94, 0.2);
}

.gen4-ref-chip.ref-local {
    background: rgba(168, 85, 247, 0.1);
    color: #a855f7;
    border-color: rgba(168, 85, 247, 0.2);
}

.gen4-ref-chip-remove {
    border: none;
    background: none;
    color: inherit;
    cursor: pointer;
    font-size: 14px;
    padding: 0;
    line-height: 1;
    opacity: 0.6;
}

.gen4-ref-chip-remove:hover {
    opacity: 1;
}

/* 生成模式 */
.gen4-ce-gen-mode {
    display: flex;
    gap: 20px;
    margin-bottom: 14px;
    padding: 10px 14px;
    background: var(--bg-body);
    border-radius: 8px;
}

.gen4-ce-mode-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    cursor: pointer;
    color: var(--text-secondary);
}

.gen4-ce-mode-label input {
    cursor: pointer;
}

/* 操作按钮 */
.gen4-ce-actions {
    display: flex;
    gap: 10px;
    margin-bottom: 14px;
}

/* 编辑器 */
.gen4-ce-editor-wrap {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.gen4-ce-editor {
    width: 100%;
    min-height: 350px;
    padding: 14px 16px;
    border: none;
    outline: none;
    font-family: 'Microsoft YaHei', 'PingFang SC', sans-serif;
    font-size: 14px;
    line-height: 1.8;
    resize: vertical;
    background: var(--bg-card);
    color: var(--text-primary);
}

.gen4-ce-editor:focus {
    outline: 2px solid var(--primary);
}

.gen4-ce-preview {
    min-height: 300px;
    max-height: 500px;
    overflow-y: auto;
    padding: 16px;
    background: var(--bg-card);
    font-size: 13px;
    line-height: 1.7;
}

.gen4-ce-preview table {
    width: 100%;
    border-collapse: collapse;
    margin: 8px 0;
    font-size: 13px;
}

.gen4-ce-preview table th {
    border: 1px solid #ddd;
    padding: 6px 8px;
    background: var(--bg-body);
    font-weight: 600;
    text-align: left;
}

.gen4-ce-preview table td {
    border: 1px solid #ddd;
    padding: 6px 8px;
}

.gen4-ce-preview h3, .gen4-ce-preview h4, .gen4-ce-preview h5, .gen4-ce-preview h6 {
    margin: 10px 0 6px;
}

.gen4-ce-preview p {
    margin: 4px 0;
    line-height: 1.8;
}

.gen4-ce-preview ul, .gen4-ce-preview ol {
    margin: 4px 0 4px 20px;
    line-height: 1.8;
}

/* 引用列表 */
.gen4-ce-ref-list {
    margin-top: 14px;
    padding: 12px 14px;
    background: rgba(59, 130, 246, 0.03);
    border: 1px solid rgba(59, 130, 246, 0.1);
    border-radius: 8px;
}

.gen4-ce-ref-list-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.gen4-ce-ref-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    padding: 4px 0;
}

.gen4-ref-arrow {
    color: var(--primary);
    font-weight: 600;
}

.gen4-ref-type {
    padding: 1px 6px;
    border-radius: 4px;
    font-size: 10px;
}

.gen4-ref-type.knowledge {
    background: rgba(59, 130, 246, 0.1);
    color: var(--info);
}

.gen4-ref-type.tender {
    background: rgba(34, 197, 94, 0.1);
    color: var(--success);
}

.gen4-ref-name {
    color: var(--text-secondary);
}

/* ========== 新建弹窗 ========== */
.gen4-mode-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.gen4-mode-option {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    padding: 8px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    transition: border-color 0.2s;
}

.gen4-mode-option:has(input:checked) {
    border-color: var(--primary);
    background: rgba(59, 130, 246, 0.05);
}

.gen4-mode-option input {
    cursor: pointer;
}

.gen4-mode-card {
    display: flex;
    align-items: center;
    gap: 10px;
}

.gen4-mode-icon {
    font-size: 24px;
}

.gen4-mode-name {
    font-weight: 600;
    font-size: 14px;
}

.gen4-mode-desc {
    font-size: 12px;
    color: var(--text-muted);
}

/* ========== 响应式 ========== */
@media (max-width: 1200px) {
    .gen4-workspace {
        grid-template-columns: 1fr;
    }
    .gen4-toc-panel {
        max-height: 300px;
    }
}

/* ============================================================
   目录大纲管理器（Word大纲视图风格）
   ============================================================ */
.toc-mgr-toolbar {
    padding: 0 0 10px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 10px;
}

.toc-mgr-list {
    max-height: 55vh;
    overflow-y: auto;
    padding: 4px 0;
}

.toc-mgr-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 5px 8px;
    border-radius: 6px;
    transition: background 0.15s;
    border: 1px solid transparent;
}

.toc-mgr-item:hover {
    background: var(--bg-body, #f8fafc);
    border-color: var(--border-color);
}

.toc-mgr-item.selected {
    background: #eff6ff;
    border-color: var(--primary, #3b82f6);
}

.toc-mgr-check {
    width: 16px;
    height: 16px;
    cursor: pointer;
    flex-shrink: 0;
    accent-color: var(--primary, #3b82f6);
}

.toc-mgr-number {
    font-size: 12px;
    color: var(--text-muted);
    min-width: 36px;
    text-align: right;
    font-variant-numeric: tabular-nums;
    flex-shrink: 0;
}

.toc-mgr-title {
    flex: 1;
    font-size: 14px;
    color: var(--text-primary);
    padding: 3px 6px;
    border-radius: 4px;
    outline: none;
    min-height: 22px;
    line-height: 1.5;
    cursor: text;
}

.toc-mgr-title:focus {
    background: #fff;
    box-shadow: 0 0 0 2px var(--primary, #3b82f6);
}

.toc-mgr-title:empty::before {
    content: '输入标题...';
    color: var(--text-muted);
}

.toc-mgr-level-badge {
    font-size: 11px;
    color: #fff;
    padding: 2px 8px;
    border-radius: 10px;
    cursor: pointer;
    flex-shrink: 0;
    font-weight: 600;
    user-select: none;
    transition: opacity 0.15s;
}

.toc-mgr-level-badge:hover {
    opacity: 0.8;
}

.toc-mgr-del {
    width: 22px;
    height: 22px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-size: 18px;
    cursor: pointer;
    border-radius: 4px;
    flex-shrink: 0;
    line-height: 1;
    transition: all 0.15s;
}

.toc-mgr-del:hover {
    background: #fee2e2;
    color: var(--danger, #ef4444);
}

.toc-mgr-add-row {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 8px;
    margin-top: 8px;
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    transition: border-color 0.15s;
}

.toc-mgr-add-row:focus-within {
    border-color: var(--primary, #3b82f6);
}

.toc-mgr-add-icon {
    color: var(--text-muted);
    font-size: 18px;
    font-weight: 300;
    margin-left: 4px;
}

.toc-mgr-add-input {
    flex: 1;
    border: none;
    outline: none;
    font-size: 14px;
    background: transparent;
    color: var(--text-primary);
    padding: 4px 0;
}

/* 附件来源预览（投标文件生成 - 内容编辑区） */
.gen4-ce-attach-preview {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 12px;
    overflow: hidden;
    background: var(--bg-body, #f8fafc);
}

.gen4-ce-attach-preview-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    background: #eff6ff;
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
    color: #1d4ed8;
    user-select: none;
    border-bottom: 1px solid var(--border-color);
    transition: background 0.15s;
}

.gen4-ce-attach-preview-header:hover {
    background: #dbeafe;
}

.gen4-ce-attach-preview-toggle {
    font-size: 11px;
    font-weight: 400;
    color: var(--text-muted);
}

.gen4-ce-attach-preview-body {
    max-height: 300px;
    overflow-y: auto;
    padding: 10px 14px;
    font-size: 13px;
    line-height: 1.6;
}

.gen4-ce-attach-preview.collapsed .gen4-ce-attach-preview-body {
    display: none;
}

.gen4-ce-attach-preview-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 6px 0;
    font-size: 12px;
}

.gen4-ce-attach-preview-body th {
    border: 1px solid #ddd;
    padding: 4px 6px;
    background: #f5f5f5;
    font-weight: 600;
    text-align: center;
}

.gen4-ce-attach-preview-body td {
    border: 1px solid #ddd;
    padding: 4px 6px;
    text-align: center;
}

.gen4-ce-attach-preview-body p {
    margin: 4px 0;
}