<template>
  <div class="history-container">
    <!-- 顶部导航 -->
    <div class="history-header">
      <div class="header-content">
        <div class="header-main">
          <h1 class="history-title">📚 历史问题记录</h1>
          <p class="history-subtitle">查看之前的提问和回答记录</p>
        </div>
        <div class="header-actions">
          <el-button
              class="back-btn"
              @click="$router.push('/qanda')"
          >
            <span class="btn-icon">⬅️</span>
            返回问答
          </el-button>
        </div>
      </div>
    </div>

    <div class="history-content">
      <!-- 统计卡片 -->
      <div class="stats-cards">
        <div class="stat-card">
          <div class="stat-icon">📝</div>
          <div class="stat-info">
            <div class="stat-number">{{ totalCount }}</div>
            <div class="stat-label">总问题数</div>
          </div>
        </div>
        <div class="stat-card">
          <div class="stat-icon">📄</div>
          <div class="stat-info">
            <div class="stat-number">{{ totalPages }}</div>
            <div class="stat-label">总页数</div>
          </div>
        </div>
        <div class="stat-card">
          <div class="stat-icon">🕒</div>
          <div class="stat-info">
            <div class="stat-number">{{ pageSize }}</div>
            <div class="stat-label">每页数量</div>
          </div>
        </div>
      </div>

      <!-- 搜索和筛选 -->
<!--      <div class="filter-section">-->
<!--        <div class="search-input">-->
<!--          <el-input-->
<!--              v-model="searchQuery"-->
<!--              placeholder="搜索问题内容..."-->
<!--              size="large"-->
<!--              clearable-->
<!--              @input="handleSearch"-->
<!--          >-->
<!--            <template #prefix>-->
<!--              <span class="search-icon">🔍</span>-->
<!--            </template>-->
<!--          </el-input>-->
<!--        </div>-->
<!--        <div class="filter-actions">-->
<!--          <el-button-->
<!--              class="refresh-btn"-->
<!--              @click="refreshData"-->
<!--              :loading="loading"-->
<!--          >-->
<!--            <span class="btn-icon">🔄</span>-->
<!--            刷新-->
<!--          </el-button>-->
<!--        </div>-->
<!--      </div>-->

      <!-- 加载状态 -->
      <div v-if="loading" class="loading-section">
        <div class="loading-content">
          <div class="loading-spinner"></div>
          <p>加载历史记录中...</p>
        </div>
      </div>

      <!-- 历史记录列表 -->
      <div v-else class="history-list">
        <div v-if="historyList.length === 0" class="empty-state">
          <div class="empty-content">
            <div class="empty-icon">📚</div>
            <h3>暂无历史记录</h3>
            <p>您还没有任何提问记录，快去首页提问吧！</p>
            <el-button
                type="primary"
                @click="$router.push('/')"
                class="go-home-btn"
            >
              <span class="btn-icon">🚀</span>
              开始提问
            </el-button>
          </div>
        </div>

        <div v-else class="history-items">
          <div
              v-for="item in filteredHistory"
              :key="item.create_time"
              class="history-item"
          >
            <div class="item-header">
              <div class="question-content">
                <h3 class="question-title">{{ item.query }}</h3>
                <div class="question-meta">
                  <span class="meta-item">
                    <span class="meta-icon">🕒</span>
                    {{ formatTime(item.create_time) }}
                  </span>
                </div>
              </div>
              <div class="item-actions">
                <el-button
                    class="detail-btn"
                    @click="toggleItemDetail(item)"
                    :class="{ active: expandedItems.includes(item.create_time) }"
                >
                  <span class="btn-icon">
                    {{ expandedItems.includes(item.create_time) ? '📖' : '📄' }}
                  </span>
                  {{ expandedItems.includes(item.create_time) ? '收起详情' : '查看详情' }}
                </el-button>
              </div>
            </div>

            <!-- 展开的详情 -->
            <div
                v-if="expandedItems.includes(item.create_time)"
                class="item-detail"
            >
              <!-- 最终结果 -->
              <div class="detail-section" v-if="item.final_result">
                <div class="section-header">
                  <div class="section-icon">💡</div>
                  <h4>最终结果</h4>
                </div>
                <div class="section-content">
                  <div v-html="parseMarkdown(item.final_result)" class="content-text"></div>
                </div>
              </div>

              <!-- RAG搜索结果 -->
              <div class="detail-section" v-if="item.chat_res">
                <div class="section-header">
                  <div class="section-icon">🔍</div>
                  <h4>检索增强分析</h4>
                </div>
                <div class="section-content">
                  <div v-html="parseMarkdown(item.chat_res)" class="content-text"></div>
                </div>
              </div>

              <!-- LLM搜索结果 -->
              <div class="detail-section" v-if="item.ai_answer">
                <div class="section-header">
                  <div class="section-icon">🤔</div>
                  <h4>AI搜索分析</h4>
                </div>
                <div class="section-content">
                  <div v-html="parseMarkdown(item.ai_answer)" class="content-text"></div>
                </div>
              </div>

              <!-- 搜索结果统计 -->
              <div class="detail-section" v-if="item.search_res">
                <div class="section-header">
                  <div class="section-icon">📚</div>
                  <h4>参考内容</h4>
                  <span class="result-count">
                    {{ getSearchResults(item.search_res).length }} 条相关内容
                  </span>
                </div>
                <div class="search-results-preview">
                  <div
                      v-for="(result, index) in getDisplayedResults(item)"
                      :key="index"
                      class="result-preview"
                      @click="handleResultDetails(result)"
                  >
                    <div class="result-header">
                      <span class="result-index">#{{ index + 1 }}</span>
                      <span class="result-score" :class="getScoreClass(result.score)">
                        {{ (result.score * 100).toFixed(1) }}%
                      </span>
                    </div>
                    <p class="result-content">{{ result.contentSummary || result.content.substring(0, 120) }}...</p>
                    <span class="result-source">{{ result.datasetName }}</span>
                    <div class="result-footer">
                      <span class="view-details">
                        <span class="view-icon">🔍</span>
                        查看详情
                      </span>
                    </div>
                  </div>

                  <!-- 展开/收起按钮 -->
                  <div
                      v-if="getSearchResults(item.search_res).length > 3"
                      class="more-results"
                  >
                    <el-button
                        link
                        type="primary"
                        @click="toggleResultsExpansion(item)"
                        class="expand-btn"
                    >
                      <span class="btn-icon">
                        {{ item.isResultsExpanded ? '📂' : '📁' }}
                      </span>
                      {{ item.isResultsExpanded ? '收起' : `展开剩余 ${getSearchResults(item.search_res).length - 3} 条内容` }}
                    </el-button>
                  </div>
                </div>
              </div>
            </div>
          </div>
        </div>

        <!-- 分页 -->
        <div v-if="historyList.length > 0" class="pagination-section">
          <el-pagination
              v-model:current-page="currentPage"
              v-model:page-size="pageSize"
              :total="totalCount"
              :page-sizes="[10, 20, 50, 100]"
              layout="total, sizes, prev, pager, next, jumper"
              @size-change="handleSizeChange"
              @current-change="handleCurrentChange"
              class="history-pagination"
          />
        </div>
      </div>
    </div>

    <!-- 搜索结果详情弹窗 -->
    <el-dialog
        v-model="resultDialogVisible"
        width="85%"
        class="content-dialog"
        :close-on-click-modal="false"
    >
      <template #header>
        <div class="dialog-header">
          <div class="dialog-title">
            <div class="title-icon">📄</div>
            <div class="title-content">
              <h3>{{ selectedResult.contentSummary }}</h3>
              <div class="title-meta">
                <span class="meta-badge knowledge-badge">
                  <span class="badge-icon">📚</span>
                  {{ selectedResult.datasetName }}
                </span>
                <span class="meta-badge score-badge" :class="getScoreClass(selectedResult.score)">
                  <span class="badge-icon">🎯</span>
                  相关度: {{ (selectedResult.score * 100).toFixed(1) }}%
                </span>
              </div>
            </div>
          </div>
        </div>
      </template>

      <div class="dialog-content">
        <div class="content-tabs">
          <div
              class="tab-item"
              :class="{ active: activeTab === 'summary' }"
              @click="activeTab = 'summary'"
          >
            <span class="tab-icon">📝</span>
            摘要内容
          </div>
          <div
              class="tab-item"
              :class="{ active: activeTab === 'original' }"
              @click="activeTab = 'original'"
          >
            <span class="tab-icon">📖</span>
            完整原文
          </div>
        </div>

        <div class="tab-content">
          <div v-show="activeTab === 'summary'" class="content-section summary-section">
            <div class="section-header">
              <h4>内容摘要</h4>
              <el-button
                  text
                  class="copy-btn"
                  @click="copyToClipboard(selectedResult.content)"
              >
                📋 复制内容
              </el-button>
            </div>
            <div class="summary-content">
              {{ selectedResult.content }}
            </div>
          </div>

          <div v-show="activeTab === 'original'" class="content-section original-section">
            <div class="section-header">
              <h4>完整原文</h4>
              <el-button
                  text
                  class="copy-btn"
                  @click="copyToClipboard(originalContent)"
              >
                📋 复制原文
              </el-button>
            </div>
            <div class="original-content">
              <pre>{{ originalContent }}</pre>
            </div>
          </div>
        </div>
      </div>

      <template #footer>
        <div class="dialog-footer">
          <div class="footer-actions">
            <el-button
                class="action-btn secondary"
                @click="resultDialogVisible = false"
            >
              取消
            </el-button>
            <el-button
                type="primary"
                class="action-btn primary"
                @click="resultDialogVisible = false"
            >
              关闭
            </el-button>
          </div>
        </div>
      </template>
    </el-dialog>
  </div>
</template>

<script setup>
import { ref, onMounted, computed } from 'vue';
import { ElMessage } from 'element-plus';
import { marked } from 'marked';
import { API_BASE_URL } from "@/config";
import dayjs from 'dayjs';


// 响应式数据
const historyList = ref([]);
const loading = ref(false);
const currentPage = ref(1);
const pageSize = ref(10);
const totalCount = ref(0);
const totalPages = ref(0);
const searchQuery = ref('');
const expandedItems = ref([]);
const resultDialogVisible = ref(false);
const selectedResult = ref({});
const originalContent = ref('');
const activeTab = ref('summary');

// 计算属性
const filteredHistory = computed(() => {
  if (!searchQuery.value) {
    return historyList.value;
  }
  const query = searchQuery.value.toLowerCase();
  return historyList.value.filter(item =>
      item.query.toLowerCase().includes(query) ||
      (item.final_result && item.final_result.toLowerCase().includes(query)) ||
      (item.chat_res && item.chat_res.toLowerCase().includes(query)) ||
      (item.ai_answer && item.ai_answer.toLowerCase().includes(query))
  );
});

// 方法
const parseMarkdown = (content) => {
  if (!content) return '';
  const markdownSymbols = /[#*+\-`>!]/;
  const isMarkdown = markdownSymbols.test(content);
  return isMarkdown ? marked(content) : content;
};

const formatTime = (timeString) => {
  try {
    // 处理 GMT 时间格式 "Tue, 30 Sep 2025 14:02:21 GMT"
    if (timeString.includes('GMT')) {
      // 使用 UTC 方法获取时间组件，避免时区转换
      const date = new Date(timeString);

      if (!isNaN(date.getTime())) {
        // 使用 UTC 相关的方法获取时间组件
        const year = date.getUTCFullYear();
        const month = String(date.getUTCMonth() + 1).padStart(2, '0');
        const day = String(date.getUTCDate()).padStart(2, '0');
        const hours = String(date.getUTCHours()).padStart(2, '0');
        const minutes = String(date.getUTCMinutes()).padStart(2, '0');
        const seconds = String(date.getUTCSeconds()).padStart(2, '0');

        return `${year}-${month}-${day} ${hours}:${minutes}:${seconds}`;
      }
    }

    // 对于其他格式，使用原来的逻辑
    const date = new Date(timeString);
    if (!isNaN(date.getTime())) {
      return date.toLocaleString('zh-CN', {
        year: 'numeric',
        month: '2-digit',
        day: '2-digit',
        hour: '2-digit',
        minute: '2-digit',
        second: '2-digit'
      });
    }

    console.warn('无法解析的时间格式:', timeString);
    return timeString;

  } catch (error) {
    console.error('时间格式化错误:', error);
    return timeString;
  }
};

const getScoreClass = (score) => {
  if (score >= 0.8) return 'high';
  if (score >= 0.6) return 'medium';
  return 'low';
};

const getSearchResults = (searchRes) => {
  try {
    return JSON.parse(searchRes) || [];
  } catch (error) {
    console.error('解析search_res失败:', error);
    return [];
  }
};

const getDisplayedResults = (item) => {
  const results = getSearchResults(item.search_res);
  if (item.isResultsExpanded) {
    return results;
  }
  return results.slice(0, 3);
};

const processHistoryItem = (item) => {
  // 确保所有字段都有值，如果没有则从其他字段获取
  return {
    ...item,
    final_result: item.final_result || item.chat_res || item.ai_answer || '',
    chat_res: item.chat_res || '',
    ai_answer: item.ai_answer || '',
    // 添加展开状态
    isResultsExpanded: false
  };
};

const toggleItemDetail = (item) => {
  const index = expandedItems.value.indexOf(item.create_time);
  if (index === -1) {
    expandedItems.value.push(item.create_time);
  } else {
    expandedItems.value.splice(index, 1);
  }
};

const toggleResultsExpansion = (item) => {
  item.isResultsExpanded = !item.isResultsExpanded;
};

const handleResultDetails = async (result) => {
  selectedResult.value = result;
  resultDialogVisible.value = true;
  activeTab.value = 'summary';

  try {
    const response = await fetch(`${API_BASE_URL}/content/get?docId=${result.docId}`);
    const data = await response.json();
    if (data.status_code === 200) {
      originalContent.value = data.data.text;
    } else {
      ElMessage.error('获取原文内容失败');
    }
  } catch (error) {
    ElMessage.error('请求原文内容失败');
  }
};

const copyToClipboard = async (text) => {
  try {
    await navigator.clipboard.writeText(text);
    ElMessage.success('已复制到剪贴板');
  } catch (err) {
    ElMessage.error('复制失败');
  }
};

const handleSearch = () => {
  currentPage.value = 1;
};

const handleSizeChange = (newSize) => {
  pageSize.value = newSize;
  currentPage.value = 1;
  fetchHistory();
};

const handleCurrentChange = (newPage) => {
  currentPage.value = newPage;
  fetchHistory();
};

const refreshData = () => {
  currentPage.value = 1;
  fetchHistory();
};

const fetchHistory = async () => {
  loading.value = true;
  try {
    const response = await fetch(
        `${API_BASE_URL}/chat/history?page=${currentPage.value}&pageSize=${pageSize.value}`
    );
    const data = await response.json();

    if (data.status_code === 200) {
      // 处理每个历史记录项，确保字段正确
      historyList.value = (data.data.entities || []).map(processHistoryItem);
      totalCount.value = data.data.total_count || 0;
      totalPages.value = data.data.total_pages || 0;
    } else {
      ElMessage.error('获取历史记录失败');
    }
  } catch (error) {
    ElMessage.error('请求失败，请稍后重试');
    console.error('Fetch history error:', error);
  } finally {
    loading.value = false;
  }
};

// 生命周期
onMounted(() => {
  fetchHistory();
});
</script>

<style scoped>
/* 保持原有的所有样式不变 */
.history-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;
}

.history-header {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  padding: 20px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.header-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header-main {
  flex: 1;
}

.history-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;
}

.history-subtitle {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1rem;
  margin: 8px 0 0 0;
  font-weight: 500;
}

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

.back-btn {
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: white;
  border-radius: 12px;
  padding: 10px 20px;
  font-weight: 600;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

.back-btn:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(255, 255, 255, 0.2);
}

.history-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px;
}

.stats-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 24px;
}

.stat-card {
  background: white;
  border-radius: 16px;
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease;
}

.stat-card:hover {
  transform: translateY(-4px);
}

.stat-icon {
  font-size: 2.5rem;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: 12px;
  color: white;
}

.stat-info {
  flex: 1;
}

.stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: #2d3748;
  line-height: 1;
  margin-bottom: 4px;
}

.stat-label {
  color: #718096;
  font-size: 0.9rem;
  font-weight: 600;
}

.filter-section {
  background: white;
  border-radius: 16px;
  padding: 20px;
  margin-bottom: 24px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  display: flex;
  gap: 16px;
  align-items: center;
}

.search-input {
  flex: 1;
}

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

.refresh-btn {
  border-radius: 12px;
  padding: 10px 20px;
  font-weight: 600;
}

.loading-section {
  background: white;
  border-radius: 16px;
  padding: 60px 32px;
  text-align: center;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.loading-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 4px solid #e2e8f0;
  border-top: 4px solid #4299e1;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

.history-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.empty-state {
  background: white;
  border-radius: 24px;
  padding: 80px 32px;
  text-align: center;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

.empty-content {
  max-width: 400px;
  margin: 0 auto;
}

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

.empty-state h3 {
  margin: 0 0 12px 0;
  color: #2d3748;
  font-size: 1.5rem;
  font-weight: 700;
}

.empty-state p {
  margin: 0 0 24px 0;
  color: #718096;
  font-size: 1rem;
  line-height: 1.5;
}

.go-home-btn {
  border-radius: 12px;
  padding: 12px 24px;
  font-weight: 600;
}

.history-items {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.history-item {
  background: white;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
  border: 1px solid #e2e8f0;
}

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

.item-header {
  padding: 24px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  cursor: pointer;
}

.question-content {
  flex: 1;
  min-width: 0;
}

.question-title {
  margin: 0 0 12px 0;
  color: #2d3748;
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.question-meta {
  display: flex;
  gap: 16px;
  align-items: center;
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
  color: #718096;
  font-size: 0.85rem;
}

.meta-icon {
  font-size: 0.8rem;
}

.item-actions {
  flex-shrink: 0;
}

.detail-btn {
  border-radius: 12px;
  padding: 8px 16px;
  font-weight: 600;
  transition: all 0.3s ease;
}

.detail-btn.active {
  background: #4299e1;
  color: white;
}

.item-detail {
  border-top: 1px solid #e2e8f0;
  padding: 0;
}

.detail-section {
  padding: 24px;
  border-bottom: 1px solid #f7fafc;
}

.detail-section:last-child {
  border-bottom: none;
}

.section-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.section-icon {
  font-size: 1.5rem;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f7fafc;
  border-radius: 10px;
}

.section-header h4 {
  margin: 0;
  color: #2d3748;
  font-size: 1.1rem;
  font-weight: 600;
  flex: 1;
}

.result-count {
  background: #4299e1;
  color: white;
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 0.8rem;
  font-weight: 600;
}

.section-content {
  color: #4a5568;
  line-height: 1.6;
}

.content-text {
  line-height: 1.7;
}

.content-text :deep(h1),
.content-text :deep(h2),
.content-text :deep(h3) {
  color: #2d3748;
  margin-top: 1.5em;
  margin-bottom: 0.5em;
}

.content-text :deep(p) {
  margin-bottom: 1em;
}

.content-text :deep(ul),
.content-text :deep(ol) {
  margin: 1em 0;
  padding-left: 1.5em;
}

.content-text :deep(li) {
  margin-bottom: 0.5em;
}

.content-text :deep(code) {
  background: #f7fafc;
  padding: 2px 6px;
  border-radius: 4px;
  font-family: 'Monaco', 'Consolas', monospace;
  color: #e53e3e;
  font-size: 0.9em;
}

.content-text :deep(pre) {
  background: #2d3748;
  color: #e2e8f0;
  padding: 16px;
  border-radius: 8px;
  overflow-x: auto;
  margin: 1em 0;
  font-size: 0.9em;
}

.search-results-preview {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.result-preview {
  background: #f7fafc;
  border-radius: 12px;
  padding: 16px;
  border: 1px solid #e2e8f0;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
}

.result-preview:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
  border-color: #4299e1;
}

.result-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.result-index {
  background: #4299e1;
  color: white;
  padding: 2px 8px;
  border-radius: 8px;
  font-size: 0.8rem;
  font-weight: 700;
}

.result-score {
  padding: 2px 8px;
  border-radius: 8px;
  font-size: 0.8rem;
  font-weight: 700;
  color: white;
}

.result-score.high {
  background: #48bb78;
}

.result-score.medium {
  background: #ed8936;
}

.result-score.low {
  background: #e53e3e;
}

.result-content {
  margin: 0 0 8px 0;
  color: #4a5568;
  font-size: 0.9rem;
  line-height: 1.5;
}

.result-source {
  background: #e2e8f0;
  color: #4a5568;
  padding: 2px 8px;
  border-radius: 8px;
  font-size: 0.8rem;
  margin-bottom: 8px;
  display: inline-block;
}

.result-footer {
  display: flex;
  justify-content: flex-end;
  margin-top: 8px;
}

.view-details {
  color: #4299e1;
  font-weight: 600;
  font-size: 0.9rem;
  transition: color 0.3s ease;
  display: flex;
  align-items: center;
  gap: 6px;
}

.view-icon {
  font-size: 0.8rem;
}

.result-preview:hover .view-details {
  color: #2b6cb0;
}

.more-results {
  text-align: center;
  padding: 12px;
}

.expand-btn {
  font-weight: 600;
  color: #4299e1;
}

.expand-btn:hover {
  color: #2b6cb0;
}

.pagination-section {
  background: white;
  border-radius: 16px;
  padding: 20px;
  margin-top: 24px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  display: flex;
  justify-content: center;
}

.history-pagination {
  margin: 0;
}

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

/* 弹窗样式 - 从主页面复制并调整 */
.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;
}

.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;
}

.dialog-header {
  padding: 0;
}

.dialog-title {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 32px 32px 0;
}

.title-icon {
  font-size: 2.5rem;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: 16px;
  color: white;
  flex-shrink: 0;
}

.title-content {
  flex: 1;
  min-width: 0;
}

.title-content h3 {
  margin: 0 0 12px 0;
  color: #2d3748;
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.4;
}

.title-meta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.meta-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 12px;
  font-size: 0.85rem;
  font-weight: 500;
}

.knowledge-badge {
  background: #ebf8ff;
  color: #2b6cb0;
  border: 1px solid #bee3f8;
}

.score-badge.high {
  background: #f0fff4;
  color: #2f855a;
  border: 1px solid #c6f6d5;
}

.score-badge.medium {
  background: #fffaf0;
  color: #c05621;
  border: 1px solid #feebc8;
}

.score-badge.low {
  background: #fff5f5;
  color: #c53030;
  border: 1px solid #fed7d7;
}

.badge-icon {
  font-size: 0.8rem;
}

.dialog-content {
  padding: 0;
}

.content-tabs {
  display: flex;
  padding: 0 32px;
  border-bottom: 1px solid #e2e8f0;
  margin-top: 24px;
}

.tab-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  color: #718096;
  font-weight: 500;
  transition: all 0.3s ease;
}

.tab-item:hover {
  color: #4299e1;
}

.tab-item.active {
  color: #4299e1;
  border-bottom-color: #4299e1;
}

.tab-icon {
  font-size: 1.1rem;
}

.tab-content {
  padding: 0 32px 32px;
}

.content-section {
  margin-top: 24px;
}

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

.section-header h4 {
  margin: 0;
  color: #2d3748;
  font-size: 1.2rem;
  font-weight: 600;
}

.copy-btn {
  font-size: 0.9rem;
  padding: 6px 12px;
  border-radius: 8px;
}

.summary-content {
  background: #f7fafc;
  padding: 20px;
  border-radius: 12px;
  color: #4a5568;
  line-height: 1.6;
  font-size: 0.95rem;
  border: 1px solid #e2e8f0;
}

.original-content {
  background: #f7fafc;
  border-radius: 12px;
  border: 1px solid #e2e8f0;
  max-height: 500px;
  overflow-y: auto;
}

.original-content pre {
  margin: 0;
  padding: 20px;
  color: #4a5568;
  line-height: 1.6;
  font-size: 0.9rem;
  white-space: pre-wrap;
  word-wrap: break-word;
}

.dialog-footer {
  padding: 0 32px 24px;
}

.footer-actions {
  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);
}

/* 响应式设计 */
@media (max-width: 768px) {
  .header-content {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .history-title {
    font-size: 1.75rem;
  }

  .history-content {
    padding: 16px;
  }

  .stats-cards {
    grid-template-columns: 1fr;
  }

  .filter-section {
    flex-direction: column;
    align-items: stretch;
  }

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

  .item-actions {
    align-self: flex-end;
  }

  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .content-dialog :deep(.el-dialog) {
    width: 95% !important;
    margin: 20px auto;
  }
}
</style>