<template>
  <div class="app-container">
    <!-- 顶部导航 -->
    <div class="app-header">
      <div class="header-content">
        <div class="header-main">
          <!-- 返回按钮 -->
          <div class="header-back">
            <el-button
                class="back-btn"
                @click="goBack"
                text
            >
              <span class="back-icon">←</span>
              <span style="color: white">返回知识库</span>
            </el-button>
          </div>
          <div class="header-titles">
            <h1 class="app-title">知识库内容管理</h1>
            <p class="app-subtitle">管理知识库中的文档和内容</p>
          </div>
        </div>
        <div class="header-stats">
          <div class="stat-item">
            <span class="stat-number">{{ totalItems }}</span>
            <span class="stat-label">总文档</span>
          </div>
          <div class="stat-item">
            <span class="stat-number">{{ currentPageItems.length }}</span>
            <span class="stat-label">本页</span>
          </div>
        </div>
      </div>
    </div>

    <div class="main-layout">
      <!-- 左侧文档列表 -->
      <div class="sidebar">
        <div class="sidebar-header">
          <div class="sidebar-title">
            <h3>📚 文档列表</h3>
            <p class="sidebar-subtitle">{{ datasetName }} - 共 {{ totalItems }} 篇文档</p>
          </div>
          <el-button
              class="add-btn"
              type="primary"
              @click="openDialog"
          >
            <span class="button-icon">➕</span>
            添加文档
          </el-button>
        </div>

        <div class="knowledge-list">
          <div
              v-for="item in currentPageItems"
              :key="item.doc_id"
              :class="['document-card', { 'active': activeItem === String(item.doc_id) }]"
              @click="handleSelect(String(item.doc_id))"
          >
            <div class="card-content">
              <div class="document-icon">
                <span v-if="item.statusDesc === '可用'" class="status-available">✅</span>
                <span v-else class="status-unavailable">❌</span>
              </div>
              <div class="document-info">
                <span class="document-name">{{ item.title || item.text }}</span>
              </div>
              <div class="document-actions">
                <el-tooltip content="删除文档" placement="top">
                  <el-button
                      text
                      class="delete-btn"
                      @click.stop="confirmDelete(item.doc_id, item.title)"
                  >
                    🗑️
                  </el-button>
                </el-tooltip>
              </div>
            </div>
          </div>
        </div>

        <!-- 分页 -->
        <div class="sidebar-footer">
          <div class="pagination-info">
            共 {{ totalItems }} 篇文档
          </div>
          <el-pagination
              v-model:current-page="pageIndex"
              :page-size="pageSize"
              :total="totalItems"
              :pager-count="5"
              layout="prev, pager, next"
              @current-change="handlePageChange"
              class="custom-pagination"
          />
        </div>
      </div>

      <!-- 右侧内容区域 -->
      <div class="content-area">
        <div class="content-section">
          <div class="content-header">
            <div class="content-title">
              <h2>{{ selectedTitle || '选择文档查看内容' }}</h2>
              <span v-if="statusDesc" class="content-status"
                    :class="statusDesc === '可用' ? 'available' : 'unavailable'">
                {{ statusDesc }}
              </span>
            </div>
            <el-button
                v-if="selectedContent"
                type="primary"
                class="chunk-btn"
                @click="openChunkDialog"
            >
              <span class="button-icon">📖</span>
              查看分段
            </el-button>
          </div>

          <div class="content-body">
            <div v-if="selectedContent" class="content-text">
              <pre>{{ selectedContent }}</pre>
            </div>
            <div v-else class="empty-content">
              <div class="empty-icon">📄</div>
              <h3>选择左侧文档查看内容</h3>
              <p>点击左侧文档列表中的项目查看详细内容</p>
            </div>
          </div>
        </div>
      </div>
    </div>

    <!-- 添加文档弹窗 -->
    <el-dialog
        title="添加新文档"
        v-model="dialogVisible"
        width="600px"
        class="content-dialog"
        @close="resetForm"
    >
      <div class="dialog-content">
        <el-form :model="formData" ref="formRef" label-width="100px">
          <el-form-item label="📝 文档标题" :rules="[{ required: true, message: '请输入标题', trigger: 'blur' }]">
            <el-input
                v-model="formData.title"
                placeholder="请输入文档标题"
                size="large"
            ></el-input>
          </el-form-item>

          <el-form-item label="📄 文档内容" :rules="[{ required: true, message: '请输入文本内容', trigger: 'blur' }]">
            <el-input
                type="textarea"
                v-model="formData.text"
                placeholder="请输入文档内容"
                :rows="8"
                resize="none"
            ></el-input>
          </el-form-item>

          <el-form-item label="🔗 是否分块">
            <el-switch
                v-model="formData.isChunk"
                active-text="启用分块"
                inactive-text="禁用分块"
            ></el-switch>
          </el-form-item>
        </el-form>
      </div>

      <template #footer>
        <div class="dialog-footer">
          <el-button
              class="action-btn secondary"
              @click="dialogVisible = false"
          >
            取消
          </el-button>
          <el-button
              type="primary"
              class="action-btn primary"
              @click="submitData"
          >
            💾 保存文档
          </el-button>
        </div>
      </template>
    </el-dialog>

    <!-- 分段展示弹窗 -->
    <el-dialog
        title="📑 文档分段"
        v-model="chunkDialogVisible"
        width="90%"
        class="content-dialog chunk-dialog"
        :destroy-on-close="true"
    >
      <div class="chunk-container">
        <div class="chunk-header">
          <div class="chunk-stats">
            <span class="stat-item">共 {{ chunkTotal }} 个分段</span>
            <span class="stat-item">当前显示 {{ chunkList.length }} 个</span>
          </div>
        </div>

        <div class="chunk-content">
          <el-table
              v-if="chunkDialogVisible && chunkList.length > 0"
              :data="chunkList"
              style="width:100%"
              class="chunk-table"
              :scrollbar-always-on="true"
          >
            <el-table-column
                prop="chunk_id"
                label="分段ID"
                width="100"
                header-align="center"
                align="center"
                fixed="left"
            >
              <template #default="scope">
                <span class="chunk-id">#{{ scope.row.chunk_id }}</span>
              </template>
            </el-table-column>

            <el-table-column
                prop="summary"
                label="内容摘要"
                width="300"
                header-align="center"
                min-width="300"
            >
              <template #default="scope">
                <div class="summary-content" :title="scope.row.summary">
                  {{ scope.row.summary || '无摘要' }}
                </div>
              </template>
            </el-table-column>

            <el-table-column
                prop="text"
                label="完整内容"
                header-align="center"
                min-width="500"
            >
              <template #default="scope">
                <div class="full-content" :title="scope.row.text">
                  {{ scope.row.text }}
                </div>
              </template>
            </el-table-column>

            <el-table-column
                prop="statusDesc"
                label="状态"
                width="120"
                header-align="center"
                align="center"
                fixed="right"
            >
              <template #default="scope">
                <el-tag
                    :type="scope.row.statusDesc === '可用' ? 'success' : 'danger'"
                    class="status-tag"
                >
                  {{ scope.row.statusDesc }}
                </el-tag>
              </template>
            </el-table-column>
          </el-table>

          <div v-else class="empty-chunks">
            <div class="empty-icon">📝</div>
            <h3>暂无分段内容</h3>
            <p>该文档没有分块或分块内容为空</p>
          </div>
        </div>

        <!-- 分页器 -->
        <div v-if="chunkTotal > 0" class="pagination-section">
          <el-pagination
              v-model:current-page="chunkPage"
              :page-size="chunkPageSize"
              :total="chunkTotal"
              :page-sizes="[10, 20, 50, 100]"
              layout="total, sizes, prev, pager, next, jumper"
              @size-change="handleSizeChange"
              @current-change="fetchChunks"
          />
        </div>
      </div>
    </el-dialog>
  </div>
</template>

<script lang="ts">
import {API_BASE_URL} from "@/config";
import {defineComponent, onMounted, ref, computed} from 'vue';
import {useRouter} from 'vue-router';
import axios from 'axios';
import {ElMessage, ElMessageBox} from 'element-plus';

interface Item {
  doc_id: string;
  title: string | null;
  text: string;
  statusDesc: string;
}

export default defineComponent({
  name: 'KnowledgeContent',
  setup() {
    const router = useRouter();
    const datasetId = ref<number | null>(null);
    const datasetName = ref<string | null>('');
    const activeItem = ref('');
    const selectedTitle = ref('');
    const selectedContent = ref('');
    const statusDesc = ref('');

    // 页码控制
    const pageIndex = ref(1);
    const pageSize = ref(10);
    const totalItems = ref(0);

    const allItems = ref<Item[]>([]);

    // 新知识表单数据
    const formData = ref({
      title: '',
      text: '',
      isChunk: true
    });

    const dialogVisible = ref(false);
    const formRef = ref();

    // 分段弹窗
    const chunkDialogVisible = ref(false);
    const chunkList = ref<any[]>([]);
    const chunkPage = ref(1);
    const chunkPageSize = ref(10);
    const chunkTotal = ref(0);

    // 返回按钮功能
    const goBack = () => {
      router.push('/');
    };

    // 获取API数据并填充项
    const fetchData = async (datasetId: number) => {
      console.log(datasetId);
      try {
        const response = await axios.get(`${API_BASE_URL}/content/list`, {
          params: {
            page: pageIndex.value,
            pageSize: pageSize.value,
            datasetId: datasetId,
          }
        });
        const data = response.data.data;
        allItems.value = data.entities;
        totalItems.value = data.total_count;
        console.log(data);
      } catch (error) {
        console.error('Error fetching data:', error);
        ElMessage.error('获取文档列表失败');
      }
    };

    // 当前页面的项目
    const currentPageItems = computed(() => {
      return allItems.value;
    });

    // 处理菜单项选择
    const handleSelect = (doc_id: string) => {
      activeItem.value = doc_id;
      const selected = allItems.value.find(item => item.doc_id === doc_id);
      if (selected) {
        selectedTitle.value = selected.title || '';
        selectedContent.value = selected.text;
        statusDesc.value = selected.statusDesc;
      }
    };

    // 处理页码变更
    const handlePageChange = (newPage: number) => {
      pageIndex.value = newPage;
      if (datasetId.value !== null) {
        fetchData(datasetId.value);
      } else {
        console.error('datasetId is null');
      }
    };

    // 初始化数据
    onMounted(() => {
      const query = new URLSearchParams(window.location.search);
      datasetId.value = query.get('datasetId') ? parseInt(query.get('datasetId')!) : null;
      datasetName.value = query.get('datasetName');

      if (datasetId.value !== null) {
        fetchData(datasetId.value);
      } else {
        console.error('datasetId is null');
      }

      console.log(`知识库 ID: ${datasetId.value}`);
    });

    // 打开弹窗
    const openDialog = () => {
      dialogVisible.value = true;
    };

    // 重置表单
    const resetForm = () => {
      formData.value.title = '';
      formData.value.text = '';
    };

    // 提交表单数据
    const submitData = async () => {
      if (!formData.value.title || !formData.value.text) {
        ElMessage.error('标题和文本不能为空');
        return;
      }

      try {
        const response = await axios.post(`${API_BASE_URL}/chunk`, {
          dataset_id: datasetId.value,
          title: formData.value.title,
          text: formData.value.text,
          dont_chunk: !formData.value.isChunk,
        });

        console.log('提交成功:', response.data);
        dialogVisible.value = false;

        if (datasetId.value !== null) {
          fetchData(datasetId.value);
        } else {
          console.error('datasetId is null');
        }

        ElMessage.success('文档添加成功！');
        resetForm();

      } catch (error) {
        console.error('提交失败:', error);
        ElMessage.error('提交失败，请稍后再试！');
      }
    };

    // 确认删除
    const confirmDelete = (doc_id: string, title: string | null) => {
      ElMessageBox.confirm(
          `确定要删除文档 "${title || doc_id}" 吗？`,
          '删除确认',
          {
            confirmButtonText: '删除',
            cancelButtonText: '取消',
            type: 'warning',
            confirmButtonClass: 'delete-confirm-btn',
            cancelButtonClass: 'delete-cancel-btn'
          }
      ).then(() => {
        deleteDoc(doc_id);
      }).catch(() => {
        // 用户取消，不处理
      });
    };

    // 删除文档方法
    const deleteDoc = async (doc_id: string) => {
      try {
        await axios.post('http://192.168.100.31:8001/api/delete', {
          level: 'doc',
          params: {doc_id}
        });
        ElMessage.success('删除成功');
        if (datasetId.value !== null) {
          fetchData(datasetId.value);
        }
      } catch (error) {
        console.error(error);
        ElMessage.error('删除失败');
      }
    };

    // 打开分段弹窗
    const openChunkDialog = async () => {
      if (!activeItem.value) {
        ElMessage.warning("请先选择一个文档");
        return;
      }
      chunkDialogVisible.value = true;
      await fetchChunks(chunkPage.value);
    };

    // 获取分段数据
    const fetchChunks = async (page: number) => {
      if (!activeItem.value) return;
      try {
        const response = await axios.get(`${API_BASE_URL}/chunk/list`, {
          params: {
            page,
            pageSize: chunkPageSize.value,
            docId: activeItem.value,
          }
        });
        const data = response.data.data;
        chunkList.value = data.entities;
        chunkTotal.value = data.total_count;
        chunkPage.value = data.page;
      } catch (err) {
        console.error(err);
        ElMessage.error("获取分段失败");
      }
    };

    // 分页大小变化处理
    const handleSizeChange = (newSize: number) => {
      chunkPageSize.value = newSize;
      chunkPage.value = 1;
      fetchChunks(1);
    };

    return {
      activeItem,
      selectedTitle,
      selectedContent,
      pageIndex,
      pageSize,
      totalItems,
      currentPageItems,
      handleSelect,
      handlePageChange,
      datasetName,
      formData,
      dialogVisible,
      openDialog,
      submitData,
      resetForm,
      confirmDelete,
      deleteDoc,
      chunkDialogVisible,
      chunkList,
      chunkPage,
      chunkPageSize,
      chunkTotal,
      openChunkDialog,
      fetchChunks,
      statusDesc,
      formRef,
      goBack,
      handleSizeChange
    };
  },
});
</script>

<style scoped>
/* 基础样式 */
.app-container {
  min-height: 100vh;
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.81) 0%, rgba(118, 75, 162, 0.77) 100%);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* 顶部导航样式 */
.app-header {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  padding: 16px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.header-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header-main {
  flex: 1;
  display: flex;
  align-items: flex-start;
  gap: 20px;
}

.header-back {
  flex-shrink: 0;
}

.back-btn {
  color: white;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 12px;
  transition: all 0.3s ease;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.back-btn:hover {
  background: rgb(255, 255, 255);
  transform: translateX(-2px);
}

.back-icon {
  color: white;
  margin-right: 6px;
  font-weight: bold;
}

.header-titles {
  flex: 1;
}

.app-title {
  color: white;
  font-size: 2.25rem;
  font-weight: 800;
  margin: 0;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  background: linear-gradient(135deg, #fff 0%, #e2e8f0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.app-subtitle {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1rem;
  margin: 8px 0 0 0;
  font-weight: 500;
}

.header-stats {
  display: flex;
  gap: 24px;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-number {
  color: white;
  font-size: 1.5rem;
  font-weight: 700;
}

.stat-label {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.8rem;
  margin-top: 4px;
}

/* 主布局 */
.main-layout {
  display: flex;
  max-width: 1400px;
  margin: 0 auto;
  padding: 24px;
  gap: 24px;
  min-height: calc(100vh - 120px);
  align-items: flex-start;
}

/* 侧边栏样式 */
.sidebar {
  width: 400px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 24px;
  max-height: calc(100vh - 120px);
  overflow-y: auto;
}

.sidebar-header {
  background: white;
  padding: 20px;
  border-radius: 20px;
  margin-bottom: 16px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-shrink: 0;
}

.sidebar-title h3 {
  margin: 0 0 6px 0;
  color: #2d3748;
  font-size: 1.25rem;
  font-weight: 700;
}

.sidebar-subtitle {
  margin: 0;
  color: #718096;
  font-size: 0.85rem;
}

.add-btn {
  border-radius: 12px;
  padding: 8px 16px;
  font-weight: 500;
}

.button-icon {
  margin-right: 6px;
}

.knowledge-list {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow-y: auto;
  min-height: 0;
}

.document-card {
  background: white;
  border-radius: 16px;
  cursor: pointer;
  transition: all 0.3s ease;
  border: 2px solid transparent;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  overflow: hidden;
}

.document-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
}

.document-card.active {
  border-color: #4299e1;
  background: linear-gradient(135deg, #ebf8ff 0%, #ffffff 100%);
}

.card-content {
  padding: 5px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.document-icon {
  font-size: 1.25rem;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f7fafc;
  border-radius: 10px;
  flex-shrink: 0;
}

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

.document-name {
  display: block;
  font-weight: 600;
  color: #2d3748;
  margin-bottom: 4px;
  font-size: 0.95rem;
  line-height: 1.4;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.document-status {
  font-size: 0.75rem;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: 8px;
}

.document-status.available {
  background: #f0fff4;
  color: #2f855a;
  border: 1px solid #c6f6d5;
}

.document-status.unavailable {
  background: #fed7d7;
  color: #c53030;
  border: 1px solid #feb2b2;
}

.document-actions {
  display: flex;
  align-items: center;
}

.delete-btn {
  padding: 6px;
  border-radius: 8px;
  color: #e53e3e;
  transition: all 0.3s ease;
}

.delete-btn:hover {
  background: #fed7d7;
  transform: scale(1.1);
}

.sidebar-footer {
  background: white;
  padding: 16px 20px;
  border-radius: 16px;
  margin-top: 16px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-shrink: 0;
}

.pagination-info {
  color: #718096;
  font-size: 0.85rem;
  font-weight: 500;
}

.custom-pagination {
  margin: 0;
}

.custom-pagination :deep(.el-pagination) {
  justify-content: flex-end;
}

/* 主内容区样式 */
.content-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.content-section {
  background: white;
  border-radius: 24px;
  padding: 32px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.content-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid #e2e8f0;
}

.content-title {
  flex: 1;
}

.content-title h2 {
  margin: 0 0 8px 0;
  color: #2d3748;
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.4;
}

.content-status {
  font-size: 0.85rem;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: 12px;
}

.content-status.available {
  background: #f0fff4;
  color: #2f855a;
  border: 1px solid #c6f6d5;
}

.content-status.unavailable {
  background: #fed7d7;
  color: #c53030;
  border: 1px solid #feb2b2;
}

.chunk-btn {
  border-radius: 12px;
  padding: 10px 20px;
  font-weight: 500;
}

.content-body {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.content-text {
  background: #f7fafc;
  border-radius: 12px;
  border: 1px solid #e2e8f0;
  padding: 24px;
  flex: 1;
  overflow-y: auto;
}

.content-text pre {
  margin: 0;
  color: #4a5568;
  line-height: 1.6;
  font-size: 0.95rem;
  white-space: pre-wrap;
  word-wrap: break-word;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.empty-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  text-align: center;
}

.empty-icon {
  font-size: 4rem;
  margin-bottom: 20px;
  opacity: 0.6;
}

.empty-content h3 {
  margin: 0 0 12px 0;
  color: #2d3748;
  font-size: 1.5rem;
  font-weight: 600;
}

.empty-content p {
  margin: 0;
  color: #718096;
  font-size: 1rem;
  line-height: 1.5;
}

/* 弹窗样式 */
.content-dialog :deep(.el-dialog) {
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.2);
}

.content-dialog :deep(.el-dialog__header) {
  padding: 0;
  margin: 0;
  border-bottom: 1px solid #e2e8f0;
}

.content-dialog :deep(.el-dialog__headerbtn) {
  top: 24px;
  right: 24px;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: #f7fafc;
}

.content-dialog :deep(.el-dialog__headerbtn:hover) {
  background: #e2e8f0;
}

.content-dialog :deep(.el-dialog__title) {
  font-size: 1.5rem;
  font-weight: 700;
  color: #2d3748;
}

.dialog-content {
  padding: 0;
}

.content-dialog :deep(.el-form-item__label) {
  font-weight: 600;
  color: #2d3748;
}

.content-dialog :deep(.el-input__wrapper) {
  border-radius: 12px;
  padding: 12px 16px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  border: 1px solid #e2e8f0;
}

.content-dialog :deep(.el-textarea__inner) {
  border-radius: 12px;
  padding: 12px 16px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  border: 1px solid #e2e8f0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.content-dialog :deep(.el-switch) {
  --el-switch-on-color: #4299e1;
}

.dialog-footer {
  padding: 0;
  margin-top: 24px;
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

.action-btn {
  border-radius: 12px;
  padding: 10px 24px;
  font-weight: 500;
  transition: all 0.3s ease;
}

.action-btn.secondary {
  border: 1px solid #e2e8f0;
  background: white;
  color: #718096;
}

.action-btn.secondary:hover {
  background: #f7fafc;
  border-color: #cbd5e0;
}

.action-btn.primary {
  background: #4299e1;
  border: 1px solid #4299e1;
  color: white;
}

.action-btn.primary:hover {
  background: #3182ce;
  border-color: #3182ce;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(66, 153, 225, 0.3);
}

/* 分段弹窗样式 */
.chunk-content {
  padding: 0;
}

.chunk-table :deep(.el-table) {
  border-radius: 12px;
  overflow: hidden;
}

.chunk-table :deep(.el-table__header) {
  background: #f7fafc;
}

.chunk-table :deep(.el-table th) {
  background: #f7fafc;
  color: #2d3748;
  font-weight: 600;
}

.status-available {
  color: #2f855a;
  font-weight: 500;
}

.status-unavailable {
  color: #c53030;
  font-weight: 500;
}

.empty-chunks {
  padding: 60px 20px;
  text-align: center;
}

.empty-chunks .empty-icon {
  font-size: 3rem;
  margin-bottom: 16px;
}

.empty-chunks h3 {
  margin: 0 0 8px 0;
  color: #2d3748;
  font-size: 1.25rem;
  font-weight: 600;
}

.empty-chunks p {
  margin: 0;
  color: #718096;
  font-size: 0.95rem;
}

.pagination-section {
  margin-top: 20px;
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid #e2e8f0;
}

/* 响应式设计 */
@media (max-width: 1200px) {
  .main-layout {
    flex-direction: column;
  }

  .sidebar {
    width: 100%;
    position: static;
    max-height: none;
    margin-bottom: 20px;
  }

  .sidebar-footer {
    position: static;
  }
}

@media (max-width: 768px) {
  .app-title {
    font-size: 1.75rem;
  }

  .header-content {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .header-main {
    flex-direction: column;
    gap: 12px;
    align-items: center;
  }

  .header-back {
    align-self: flex-start;
  }

  .header-titles {
    text-align: center;
  }

  .header-stats {
    gap: 32px;
  }

  .main-layout {
    padding: 16px;
  }

  .content-section {
    padding: 24px;
  }

  .content-header {
    flex-direction: column;
    gap: 16px;
    align-items: stretch;
  }

  .chunk-btn {
    width: 100%;
  }

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

  .add-btn {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .app-title {
    font-size: 1.5rem;
  }

  .content-section {
    padding: 20px;
  }

  .sidebar {
    width: 100%;
  }
}

/* 侧边栏滚动条样式 */
.sidebar::-webkit-scrollbar {
  width: 6px;
}

.sidebar::-webkit-scrollbar-track {
  background: #f1f1f1;
  border-radius: 3px;
}

.sidebar::-webkit-scrollbar-thumb {
  background: #c1c1c1;
  border-radius: 3px;
}

.sidebar::-webkit-scrollbar-thumb:hover {
  background: #a8a8a8;
}

.knowledge-list::-webkit-scrollbar {
  width: 4px;
}

.knowledge-list::-webkit-scrollbar-track {
  background: transparent;
}

.knowledge-list::-webkit-scrollbar-thumb {
  background: #d1d1d1;
  border-radius: 2px;
}

/* 删除确认按钮样式 */
:deep(.delete-confirm-btn) {
  background: #e53e3e;
  border-color: #e53e3e;
}

:deep(.delete-confirm-btn:hover) {
  background: #c53030;
  border-color: #c53030;
}

:deep(.delete-cancel-btn) {
  color: #718096;
  border-color: #e2e8f0;
}

/* 分段弹窗样式 */
.chunk-dialog :deep(.el-dialog) {
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.2);
  max-height: 85vh;
  display: flex;
  flex-direction: column;
}

.chunk-dialog :deep(.el-dialog__header) {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  margin: 0;
  padding: 24px 32px;
}

.chunk-dialog :deep(.el-dialog__title) {
  color: white;
  font-size: 1.5rem;
  font-weight: 700;
}

.chunk-dialog :deep(.el-dialog__headerbtn) {
  top: 24px;
  right: 24px;
}

.chunk-dialog :deep(.el-dialog__headerbtn .el-dialog__close) {
  color: white;
  font-size: 1.25rem;
}

.chunk-dialog :deep(.el-dialog__body) {
  padding: 0;
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.chunk-container {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 400px;
}

.chunk-header {
  padding: 20px 24px;
  background: #f8fafc;
  border-bottom: 1px solid #e2e8f0;
}

.chunk-stats {
  display: flex;
  gap: 20px;
}

.stat-item {
  color: #64748b;
  font-size: 0.9rem;
  font-weight: 500;
}

.chunk-content {
  flex: 1;
  overflow: auto;
  padding: 0;
}

.chunk-table {
  height: 100%;
  border: none;
}

.chunk-table :deep(.el-table__header-wrapper) {
  background: #f7fafc;
}

.chunk-table :deep(.el-table__header th) {
  background: #f7fafc;
  color: #374151;
  font-weight: 600;
  border-bottom: 1px solid #e2e8f0;
}

.chunk-table :deep(.el-table__body tr:hover > td) {
  background-color: #f0f9ff;
}

.chunk-table :deep(.el-table__body td) {
  border-bottom: 1px solid #f1f5f9;
  padding: 12px 16px;
}

.chunk-id {
  background: #e2e8f0;
  color: #475569;
  padding: 4px 8px;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 600;
}

.summary-content {
  max-height: 60px;
  overflow: hidden;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  color: #475569;
  font-size: 0.9rem;
}

.full-content {
  max-height: 120px;
  overflow-y: auto;
  line-height: 1.5;
  color: #475569;
  font-size: 0.9rem;
  padding-right: 8px;
}

/* 自定义滚动条 */
.full-content::-webkit-scrollbar {
  width: 4px;
}

.full-content::-webkit-scrollbar-track {
  background: #f1f5f9;
  border-radius: 2px;
}

.full-content::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 2px;
}

.full-content::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
}

.status-tag {
  border: none;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 20px;
}

.empty-chunks {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 300px;
  color: #64748b;
}

.empty-icon {
  font-size: 4rem;
  margin-bottom: 16px;
  opacity: 0.5;
}

.empty-chunks h3 {
  margin: 0 0 8px 0;
  color: #475569;
  font-size: 1.25rem;
  font-weight: 600;
}

.empty-chunks p {
  margin: 0;
  font-size: 0.9rem;
}

.pagination-section {
  padding: 20px 24px;
  background: #f8fafc;
  border-top: 1px solid #e2e8f0;
  display: flex;
  justify-content: center;
}

.pagination-section :deep(.el-pagination) {
  justify-content: center;
}

.pagination-section :deep(.el-pagination .btn-prev),
.pagination-section :deep(.el-pagination .btn-next) {
  border-radius: 8px;
  border: 1px solid #d1d5db;
}

.pagination-section :deep(.el-pagination .number) {
  border-radius: 8px;
  border: 1px solid #d1d5db;
}

.pagination-section :deep(.el-pagination .number.active) {
  background: #3b82f6;
  border-color: #3b82f6;
  color: white;
}

.pagination-section :deep(.el-pagination .el-select .el-input) {
  border-radius: 8px;
}
</style>