<template>
  <!-- AI发展历程 -->
  <div class="home-container">
    <!-- 添加抽屉 -->
    <div class="drawer-box">
      <el-button
        v-if="!drawerVisible"
        type="primary"
        @click="drawerVisible = true"
        @closed="buttonVisible = false"
        class="toggle-button"
      >
        课程小节
      </el-button>
      <el-drawer v-model="drawerVisible" direction="ltr" size="20%">
        <el-row class="tac">
          <el-col :span="12">
            <h3 class="mb-2">课程小节</h3>
            <el-menu
              default-active="1"
              class="el-menu-vertical-demo"
              @open="handleOpen"
              @close="handleClose"
              @select="handleSelect"
              :default-openeds="['1']"
            >
              <template v-for="item in menuItems" :key="item.index">
                <el-menu-item v-if="!item.children" :index="item.index">{{
                  item.title
                }}</el-menu-item>
                <el-sub-menu v-else :index="item.index">
                  <template #title>
                    <span>{{ item.title }}</span>
                  </template>
                  <el-menu-item-group v-if="item.children">
                    <template v-for="child in item.children" :key="child.index">
                      <el-menu-item :index="child.index">{{
                        child.title
                      }}</el-menu-item>
                    </template>
                  </el-menu-item-group>
                </el-sub-menu>
              </template>
            </el-menu>
          </el-col>
        </el-row>
      </el-drawer>
    </div>

    <div class="box-1">
      <div class="inner-box left-box">
        <div class="box-icon" @click="goBack">
          <el-icon class="left-icon"><ArrowLeftBold /></el-icon>
          {{ boxIconTitle }}
        </div>
      </div>
      <div class="inner-box right-box">
        <div class="top-right-box">
          <el-input
            v-model="SearchInput"
            class="search-input"
            placeholder="搜索"
          >
            <template #prefix>
              <el-icon class="el-input__icon"><search /></el-icon>
            </template>
          </el-input>
        </div>
      </div>
    </div>
    <div class="box-2">
      <!-- 课程标题 autoplay自动播放   @ended="playNextVideo"-->
      <div class="small-title">
        <span>{{ smallTitle }}</span>
      </div>
      <div class="box-video">
        <video
          class="full-box-video"
          :src="videoSrc"
          controlsList="nodownload"
          controls
          @timeupdate="handleTimeUpdate"
          ref="videoRef"
        >
          <source :src="videoSrc" type="video/mp4" />
          您的浏览器不支持视频播放。
        </video>
      </div>

      <!-- 添加切换视频 -->
      <div class="video-switch">
        <!-- 上一个视频 -->
        <div class="caret-left" @click="playPreviousVideo">
          <el-button type="warning" round>上一节</el-button>
        </div>
        <!-- 下一个视频 -->
        <div class="caret-right" @click="playNextVideo">
          <el-button type="warning" round>下一节</el-button>
        </div>
      </div>
    </div>
    <!-- 添加试题弹框 -->
    <transition name="fade-scale">
      <div
        v-show="questionDialogVisible"
        class="child-dialog-wrapper"
        @click.self="handleCloseQuestionDialog"
      >
        <div class="child-dialog">
          <div class="question-title">
            <span class="question-icon">?</span>
            {{ currentQuestion.title }}
          </div>
          <!-- 选项区域 -->
          <div
            v-if="currentQuestion.options && currentQuestion.options.length > 0"
            class="options-container"
          >
            <div
              v-for="(option, index) in currentQuestion.options"
              :key="index"
              class="question-option"
          >
            <el-radio v-model="selectedOption" :label="index" :value="option" v-cloak="selectedOption = option">
              <span>{{ option }}</span>
            </el-radio>
          </div>
        </div>
        <div v-else class="no-options">
<!--          暂无选项-->
        </div>
        <!-- 底部按钮 -->
        <div class="dialog-footer">
<!--          <el-button class="child-button cancel" @click="questionDialogVisible = false; showAIDialog = false">取消</el-button>-->
          <el-button class="child-button confirm" @click="handleSubmitAnswer">确定</el-button>
        </div>
        <!-- 右侧小图标 -->
        <div class="ai-icon-container" @click="handleAIClick">
          <img src="@/assets/images/xiaozhi.png" alt="AI对话" class="ai-icon" />
          <span class="ai-text">AI助手</span>
        </div>
      </div>
    </div>
    </transition>

    <!-- AI对话弹框 -->
    <div
      v-show="showAIDialog"
      class="ai-dialog-wrapper"
      @click.self="showAIDialog = false"
    >
      <div class="ai-dialog">
        <div class="ai-dialog-header">
          <h3>小智智能助手</h3>
          <el-button @click="showAIDialog = false" class="close-btn"
            >×</el-button
          >
        </div>
        <div class="ai-dialog-content">
          <div class="ai-message-history">
            <div
              v-for="(message, index) in messageHistory"
              :key="index"
              :class="['message', message.type]"
            >
              <img
                v-if="message.type === 'user'"
                src="@/assets/images/user.png"
                class="avatar user"
              />
              <img v-else src="@/assets/images/xiaozhi.png" class="avatar" />
              <div class="message-content">
                {{ message.content }}
              </div>
            </div>
          </div>
          <el-input
            v-model="userMessage"
            placeholder="输入问题..."
            class="user-input"
            @keyup.enter="sendMessage"
          >
            <template #append class="flex flex-wrap items-center mb-4">
              <!--              <el-button @click="sendMessage" class="child-button confirm">发送</el-button>-->
              <el-button @click="sendMessage" size="large" round
                >发送</el-button
              >
            </template>
          </el-input>
        </div>
      </div>
    </div>
  </div>
</template>

<script setup>
import { ref, onMounted } from 'vue'
import { useRouter } from 'vue-router'
import {
  ArrowDown,
  ArrowRightBold,
  CaretRight,
  CaretLeft
} from '@element-plus/icons-vue'
import { Search, ArrowLeftBold } from '@element-plus/icons-vue'
import { valueEquals } from 'element-plus'
// 引入视频
import video1 from '@/assets/02video/01video.mp4'
import video2 from '@/assets/02video/02video.mp4'
import video3 from '@/assets/02video/03video.mp4'
import video4 from '@/assets/02video/04video.mp4'
import video5 from '@/assets/02video/05video.mp4'
import video6 from '@/assets/02video/06video.mp4'
import video7 from '@/assets/02video/07video.mp4'
import video8 from '@/assets/02video/08video.mp4'
import video9 from '@/assets/02video/09video.mp4'
import video10 from '@/assets/02video/10video.mp4'
import video11 from '@/assets/02video/11video.mp4'
import video12 from '@/assets/02video/12video.mp4'
import video13 from '@/assets/02video/13video.mp4'
import video14 from '@/assets/02video/14video.mp4'
import video15 from '@/assets/02video/15video.mp4'

const router = useRouter() // 获取当前路由对象
// 搜索框
const SearchInput = ref('')
// 添加按钮显示状态
const buttonVisible = ref(false)
// 添加抽屉显示状态
const drawerVisible = ref(false)

// 定义映射
const videoMap = {
  '1-1': video1,
  '1-2': video2,
  '1-3': video3,
  '1-4': video4,
  '1-5': video5,
  '1-6': video6,
  '1-7': video7,
  '1-8': video8,
  '1-9': video9,
  '1-10': video10,
  '1-11': video11,
  '1-12': video12,
  '1-13': video13,
  '1-14': video14,
  '1-15': video15
}
// 定义视频源
const videoSrc = ref(video1)

// 返回上一页
const goBack = () => {
  router.go(-1)
}
// 渲染页面标题
const boxIconTitle = ref('')
onMounted(() => {
  const title = router.currentRoute.value.query.title
  if (title) {
    boxIconTitle.value = String(title)
  }
})

// 菜单打开和关闭的处理函数
const handleOpen = () => {}
const handleClose = () => {}

// 动态渲染树型结构
const menuItems = ref([
  { index: '1-1', title: '课前回顾' },
  { index: '1-2', title: '课程引入' },
  {
    index: '1',
    title: '知识讲解',
    children: [
      { index: '1-3', title: '图灵测试' },
      { index: '1-4', title: '课堂提问' },
      { index: '1-5', title: '达特茅斯会议' },
      { index: '1-6', title: '课堂选择' },
      { index: '1-7', title: '聊天机器人' },
      { index: '1-8', title: '专家系统' },
      { index: '1-9', title: '课堂互动' },
      { index: '1-10', title: '互联网快速发展' },
      { index: '1-11', title: '黄金时代' },
      { index: '1-12', title: '课堂提问' },
      { index: '1-13', title: '大模型时代' }
    ]
  },
  { index: '1-14', title: '趣味实操' },
  { index: '1-15', title: '课程总结' }
])

// 当前播放的索引
const currentIndex = ref('1-1')

// 渲染课程标题到视频上方
const smallTitle = ref('课前回顾')
const handleSelect = index => {
  const findTitle = items => {
    for (const item of items) {
      if (item.index === index) {
        return item.title
      }
      if (item.children) {
        const result = findTitle(item.children)
        if (result) {
          return result
        }
      }
    }
    return null
  }
  const title = findTitle(menuItems.value)
  if (title) {
    smallTitle.value = title
  }
  // 根据索引切换视频
  if (videoMap[index]) {
    videoSrc.value = videoMap[index]
    currentIndex.value = index
  }
  // 选中标题后关闭抽屉
  drawerVisible.value = false
}

// 展平所有菜单项索引
const flattenMenuItems = () => {
  const indices = []
  const traverse = items => {
    for (const item of items) {
      if (!item.children) {
        indices.push(item.index)
      } else {
        traverse(item.children)
      }
    }
  }
  traverse(menuItems.value)
  return indices
}

// 播放下一个视频
const playNextVideo = () => {
  const allIndices = flattenMenuItems()
  const currentIndexInList = allIndices.indexOf(currentIndex.value)
  if (currentIndexInList !== -1 && currentIndexInList < allIndices.length - 1) {
    const nextIndex = allIndices[currentIndexInList + 1]
    handleSelect(nextIndex)
    // 切换视频后自动播放
    if (videoRef.value) {
      videoRef.value.addEventListener('loadedmetadata', tryPlayVideo, {
        once: true
      })
    }
  }
  // 重置
  pausedIndices = ref([])
  userMessage = ref('')
  messageHistory = ref([])
}
// 切换视频
// 播放上一个视频
const playPreviousVideo = () => {
  const allIndices = flattenMenuItems()
  const currentIndexInList = allIndices.indexOf(currentIndex.value)
  if (currentIndexInList > 0) {
    const previousIndex = allIndices[currentIndexInList - 1]
    handleSelect(previousIndex)
    // 切换视频后自动播放
    if (videoRef.value) {
      videoRef.value.addEventListener('loadedmetadata', tryPlayVideo, {
        once: true
      })
    }
  }
}
// 尝试播放视频，处理浏览器自动播放限制
const tryPlayVideo = () => {
  const playPromise = videoRef.value.play()
  if (playPromise !== undefined) {
    playPromise.catch(error => {
      console.error('视频播放失败，可能是浏览器自动播放限制:', error)
    })
  }
}

// 视频 ref
const videoRef = ref(null)
// 记录已经暂停过的时间点索引
let pausedIndices = ref([])
// 试题弹框显示状态
const questionDialogVisible = ref(false)
// 当前显示的试题
const currentQuestion = ref({ title: '', options: [] })
// 用户选择的选项
const selectedOption = ref(null)

// AI对话弹出框显示状态
let showAIDialog = ref(false)
// 用户输入的消息
let userMessage = ref('')
// 消息历史记录
let messageHistory = ref([])

// 定义每个视频对应的暂停时间和问题
const videoPauseTimes = {
  [video2]: {
    pauseTimes: [30],
    questions: [
      {
        title: '视频当中发生了什么事情呢？',
        options: [],
        aiQuestion: '视频当中发生了什么事情呢',
        aiAnswer: '让我来告诉你吧：泡泡怪篡改了Ai历史数据，导致Ai系统发生崩溃，所以要修正Ai历史抓到泡泡怪！'
      }
    ]
  },
  [video3]: {
    pauseTimes: [49],
    questions: [
      {
        title: '同学们，大家了解图灵测试了吗？',
        options: [],
        aiQuestion: '视频当中发生了什么事情呢',
        aiAnswer: '让我来告诉你吧：泡泡怪篡改了Ai历史数据，导致Ai系统发生崩溃，所以要修正Ai历史抓到泡泡怪！'
      }
    ]
  },
  [video4]: {
    pauseTimes: [2],
    questions: [
      {
        title: '你觉得deepseek、豆包等大模型可以通过图灵测试吗？为什么？',
        options: [],
        aiQuestion: '你觉得deepseek、豆包等大模型可以通过图灵测试吗？为什么？',
        aiAnswer: '大模型已缩短与图灵测试的标志距离，尤其在表面对话层面，但因缺乏深层次理解、逻辑一致性与真实认知，仍无法在严格测试中稳定通过。'
      }
    ]
  },
  [video5]: {
    pauseTimes: [49],
    questions: []
  },
  [video6]: {
    pauseTimes: [5],
  },
  [video7]: {
    pauseTimes: [64.5,91],
    questions: [
      {
        title: '如果你是聊天机器人，你会怎么回答用户呢？',
        options: [],
        aiQuestion: '',
        aiAnswer: ''
      },
      {
        title: '当我们和聊天机器人对话的内容被人类所查看并回答时，隐私信息是否泄露？',
        options: [],
        aiQuestion: '当我们和聊天机器人对话的内容被人类所查看并回答时，隐私信息是否泄露？',
        aiAnswer: '与聊天机器人的对话被人类查看时，隐私泄露风险客\n' +
            '观存在，尤其是人类介入或安全漏洞场景下。建议优先选择支持本地'
      }
    ]
  },
  [video8]: {
    pauseTimes: [72],
    questions: [
      {
        title: '如果你身体不舒服时找这样的专家检查，那么它开的药你敢喝吗？',
        options: [],
        aiQuestion: '如果你身体不舒服时找这样的专家检查，那么它开的药你敢喝吗？',
        aiAnswer: '这题没给答案，你自己去查吧！'
      }
    ]
  },
  [video9]: {
    pauseTimes: [2],
    questions: [
      {
        title: '在生活中，有哪些正在使用的专家系统呢？',
        options: [],
        aiQuestion: '在生活中，有哪些正在使用的专家系统呢？',
        aiAnswer: '在医疗健康领域有复杂疾病协同决策和Ai医生分身与诊断辅助；在水利交通领域的水利厅专家库系统用于项目验收和抢险督查'
      }
    ]
  },
  [video11]: {
    pauseTimes: [1,90,176],
    questions: [
      {
        title: '怎么会有爆炸声？泡泡怪在这里吗？',
        options: [],
        aiQuestion: '',
        aiAnswer: ''
      },
      {
        title: '同学们喜欢下围棋吗？',
        options: [],
        aiQuestion: '',
        aiAnswer: ''
      },
      {
        title: '为什么AlphaGo要在围棋上攻克真人冠军呢？',
        options: [],
        aiQuestion: '为什么AlphaGo要在围棋上攻克真人冠军呢？',
        aiAnswer: '围棋是人类智力游戏的巅峰，拥有天文数字级的可能性，每颗棋子价值由全局态势动态决定，所以当前一手可能百步之后才显现价值。AlphaGo战胜人类顶尖选手，它证明了Ai不仅能处理规则明确的事物，更能攻克依赖直觉、策略的“人类专属领域”'
      }
    ]
  },
  [video12]: {
    pauseTimes: [1],
  },
  [video13]: {
    pauseTimes: [62],
    questions: [
      {
        title: '我们一起来感受一下大模型吧！',
        options: [],
        aiQuestion: '',
        aiAnswer: ''
      }
    ]
  }
}


// 处理视频时间更新事件
const handleTimeUpdate = () => {
  if (!videoRef.value) return

  const currentTime = videoRef.value.currentTime
  const currentPauseTimes = videoPauseTimes[videoSrc.value]
  if (currentPauseTimes) {
    currentPauseTimes.pauseTimes.forEach((time, index) => {
      // 检查是否到达时间点且还未暂停过
      if (currentTime >= time && !pausedIndices.value.includes(index)) {
        videoRef.value.pause()
        pausedIndices.value.push(index)
        // 显示对应的问题
        if (currentPauseTimes.questions[index]) {
          currentQuestion.value = currentPauseTimes.questions[index]
          questionDialogVisible.value = true
        }
      }
    })
  }
}
// 关闭试题弹框
const handleCloseQuestionDialog = () => {
  questionDialogVisible.value = false
  // 继续播放视频
  videoRef.value.play()
}

// 提交答案
const handleSubmitAnswer = () => {
  // 这里可以添加答案验证逻辑
  console.log('用户选择的答案是:', selectedOption.value)
  questionDialogVisible.value = false
  // 继续播放视频
  videoRef.value.play()
  selectedOption.value = null
}

// 发送消息
const sendMessage = async () => {
  if (userMessage.value.trim()) {
    // 添加用户消息到历史记录
    messageHistory.value.push({
      type: 'user',
      content: userMessage.value
    })

    // 模拟 AI 回复
    const aiResponse = await simulateAIResponse(userMessage.value)
    messageHistory.value.push({
      type: 'ai',
      content: aiResponse
    })

    // 清空输入框
    userMessage.value = ''
  }
}

// 处理 AI 助手点击事件
const handleAIClick = () => {
  // 清空输入框
  messageHistory = ref([])
  if (currentQuestion.value.aiQuestion) {
    userMessage.value = currentQuestion.value.aiQuestion
    sendMessage()
    userMessage.value = ''
  }

  showAIDialog.value = true
}

// 模拟 AI 回复
const simulateAIResponse = question => {
  return new Promise(resolve => {
    setTimeout(() => {
      const currentVideoInfo = videoPauseTimes[videoSrc.value]
      if (currentVideoInfo) {
        const currentQuestionObj = currentVideoInfo.questions.find(
          q => q.aiQuestion === question
        )
        if (currentQuestionObj && currentQuestionObj.aiAnswer) {
          resolve(currentQuestionObj.aiAnswer)
          return
        }
      }
      // 若未匹配到自定义回复，给出默认回复
      resolve(`您的问题是：${question}，这是 AI 的回复示例。`)
    }, 1000)
  })
}

// 关闭AI对话弹出框
const handleCloseAIDialog = () => {
  showAIDialog.value = false
}
</script>

<style scoped lang="scss">
@use 'sass:math';
@use 'sass:color'; // 引入 color 模块
// 定义rpx转换函数
@function rpx($px) {
  @return math.div($px, 750) * 100vw;
}

// 定义儿童风格的蓝紫色调
$primary-color: rgba(106, 90, 205, 0.52); // 主色调：蓝紫色
$secondary-color: rgba(147, 112, 219, 0.66); // 辅助色：亮蓝紫色
$accent-color: rgb(133, 89, 220); // 强调色：暗蓝紫色
$light-color: #e6e6fa; // 浅色背景：淡紫色
$text-color: #483d8b; // 文本颜色：靛蓝色

.home-container {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to bottom, #001169, #b4a8e1);
  display: flex;
  flex-direction: column;
  gap: rpx(0);
}
.tac ::v-deep(.el-menu) {
  background-color: transparent;
  border: none;
  width: 100%;
}

/* 取消点击后的蓝色字体 el-sub-menu__title*/
.tac ::v-deep(.el-menu-item.is-active),
.tac ::v-deep(.el-sub-menu__title.is-active) {
  color: black;
}
// 取消鼠标悬浮颜色
.tac ::v-deep(.el-sub-menu__title) {
  width: rpx(130);
  height: rpx(20);
  margin-bottom: rpx(5);
  border-radius: rpx(6);
}
.el-menu ::v-deep(.el-sub-menu__title:hover),
.el-menu ::v-deep(.el-sub-menu__title:focus),
.el-menu ::v-deep(.el-sub-menu__title:active) {
  background: linear-gradient(
    to bottom,
    #fee78a,
    #ffce1b
  ); /* 设置悬停、聚焦、点击状态下的背景色 */
  background-color: transparent;
}
.drawer-box ::v-deep(.el-drawer__header) {
  margin-bottom: rpx(0);
}
.mb-2 {
  color: black;
  margin-top: rpx(1);
}
.el-menu-item {
  width: rpx(130);
  height: rpx(20);
  margin-bottom: rpx(5);
  border-radius: rpx(6);
}
.el-menu-item span {
  color: black;
  font-size: rpx(8);
}
.el-menu ::v-deep(.el-menu-item:hover),
.el-menu ::v-deep(.el-menu-item:focus),
.el-menu ::v-deep(.el-menu-item:active) {
  background: linear-gradient(
    to bottom,
    #fee78a,
    #ffce1b
  ); /* 设置悬停、聚焦、点击状态下的背景色 */
}
.drawer-box {
  position: absolute;
  display: flex;
  align-items: center;
  height: 100%;
}
.drawer-box .toggle-button {
  width: rpx(10);
  height: rpx(50);
  font-size: rpx(7);
  background-color: rgba(17, 23, 29, 0.2);
  border: none;
  position: relative;
  writing-mode: vertical-lr; // 文字垂直排列，从左到右
  text-orientation: upright; // 文字保持正立
}
.toggle-button:hover {
  left: 0;
}
// 抽屉滚动条样式
.drawer-box ::v-deep(.el-drawer.ltr) {
  background-color: rgb(255, 255, 255, 0.7);
  box-shadow: 0 8px 8px rgba(202, 52, 52, 0.1);
}
.drawer-box ::v-deep(.el-drawer__body)::-webkit-scrollbar {
  width: rpx(2);
}
.drawer-box ::v-deep(.el-drawer__body)::-webkit-scrollbar-thumb {
  background-color: rgba(0, 0, 0, 0.2);
  border-radius: 8px;
}
.drawer-box ::v-deep(.el-drawer__body)::-webkit-scrollbar-track {
  background-color: rgba(0, 0, 0, 0.05);
  border-radius: 8px;
}

.toggle-button.is-active,
.toggle-button:active,
.toggle-button:focus {
  background-color: rgba(165, 209, 247, 0.8);
  color: black;
  border: none; // 移除点击时的边框
  outline: none; // 移除点击时的外边框
}

.box-1 {
  width: 100%;
  height: rpx(50);
  // margin-top: rpx(10);
  display: flex;
  justify-content: center;
  align-items: center;
  box-sizing: border-box;
  font-size: rpx(15); // 默认字体大小
}

.inner-box {
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: rpx(16); // 默认字体大小
}

.left-box {
  position: relative;
  justify-content: flex-start;
  align-items: flex-start;
  flex: 1; // 设置左侧盒子占比为 2
  cursor: pointer; // 添加鼠标指针样式
}
.box-icon {
  width: 100%;
  height: 100%;
  flex: 1;
  display: flex; // 添加 flex 布局
  align-items: center; // 垂直居中
  color: white; // 设置图标颜色为白色
  padding-left: rpx(15);
  font-size: rpx(10); // 设置图标大小，可按需调整
}
.box-icon .left-icon {
  margin-left: rpx(10);
  margin-right: rpx(5); // 设置图标和文字之间的间距 ;
}

.left-box span {
  position: absolute;
  font-size: rpx(11); // 默认字体大小
  color: white;
}

.right-box {
  flex: 1;
  position: relative; // 添加相对定位;
}
.top-right-box {
  position: absolute; // 添加绝对定位
  margin-top: rpx(20); // 调整上边距离
  margin-right: rpx(50); // 调整右边距离
  width: 100%; // 设置盒子宽度，可按需调整
  height: 60px; // 设置盒子高度，可按需调整
  display: flex;
  justify-content: flex-end;
}
.top-right-box {
  ::v-deep(.el-input__wrapper) {
    background-color: rgb(255, 255, 255, 0.5);
    border-radius: rpx(12);
    color: white;
  }
  ::v-deep(.el-input__icon) {
    color: white; // 设置输入框图标颜色为白色
  }
  // 添加占位符样式
  ::v-deep(.el-input__inner::placeholder) {
    color: white;
  }
  // 添加输入框文字颜色样式
  ::v-deep(.el-input__inner) {
    color: black;
  }
}
// 搜索框
.search-input {
  width: rpx(100);
  height: rpx(15);
  font-size: rpx(7);
}
.box-2 {
  width: 100%;
  flex: 1;
  box-shadow: 0 4px 8px rgba(202, 52, 52, 0.1);
  box-sizing: border-box;
  // padding: rpx(-20) rpx(20); // 添加左右内边距
  display: flex; // 确保子元素水平排列
  flex-wrap: wrap; // 允许子元素换行;
  align-content: center; // 顶部对齐;
  cursor: pointer; // 添加鼠标指针样式
}
.box-video {
  width: 100%;
  height: rpx(300);
  video.full-box-video {
    // width: 100%;
    height: rpx(280);
    margin: 0 auto;
    border-radius: rpx(12);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
    object-fit: cover;
    // object-fit: contain;
  }
}

/* 隐藏 Chrome 视频控件的渐变背景等默认样式 */
video::-webkit-media-controls-panel {
  background: transparent !important; /* 去掉背景渐变，设为透明 */
}

.small-title {
  width: 100%;
  margin-top: rpx(-20);
  height: rpx(20);
  color: white;
  font-size: rpx(10);
  justify-content: center; //使子元素水平居中
}
.video-switch {
  width: 100%;
  // height: rpx(50);
  display: flex;
  margin-top: rpx(-20);
  // background-color: saddlebrown;
}
.caret-right,
.caret-left {
  width: rpx(50);
  // height: rpx(50);
  margin: auto;
  display: flex;
  // grid: rpx(4);
  margin-top: rpx(5);
  margin-bottom: rpx(15);
}
.caret-left ::v-deep(.el-button.is-round),
.caret-right ::v-deep(.el-button.is-round) {
  width: rpx(50);
  height: rpx(15);
  color: black;
  border-radius: none;
  border: 1px white solid;
  background-color: rgb(255, 255, 255, 0.5); // 进度条背景颜色，调浅为半透明白色
  box-shadow: 0 4px 8px rgba(202, 52, 52, 0.1);
}

// 儿童风格试题弹框样式
.child-dialog {
  .el-dialog__header {
    display: none; // 隐藏原有的标题栏
  }

  .el-dialog__body {
    padding: rpx(20);
    position: relative;
  }

  .el-dialog__footer {
    border-top: none;
    padding: rpx(10) rpx(20);
    text-align: center;
  }

  .el-dialog__wrapper {
    // 修改半透明背景色
    background-color: rgba(0, 0, 0, 0.6);
  }

  .el-dialog {
    border: none;
    border-radius: rpx(20);
    background: linear-gradient(
      135deg,
      $light-color,
      #d8bfd8
    ); // 柔和的蓝紫色渐变
    // 添加边框边晕效果
    box-shadow: 0 0 20px 5px rgba($primary-color, 0.6),
      0 0 40px 10px rgba($primary-color, 0.4),
      0 0 60px 15px rgba($primary-color, 0.2);
    overflow: hidden;

    // 添加装饰元素
    &::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: rpx(10);
      background: linear-gradient(
        90deg,
        $primary-color,
        $secondary-color,
        $accent-color
      );
    }
  }
}

// AI对话弹出框样式
.ai-dialog {
  .el-dialog__header {
    background: linear-gradient(90deg, $primary-color, $secondary-color);
    color: white;
    padding: rpx(10) rpx(20);
    border-radius: rpx(10) rpx(10) 0 0;

    .el-dialog__title {
      font-size: rpx(12);
    }
  }

  .el-dialog__body {
    padding: rpx(15);
    background-color: white;
  }

  .el-dialog__footer {
    border-top: none;
    padding: rpx(10) rpx(20);
    text-align: right;
  }

  .el-dialog {
    border-radius: rpx(10);
    // 修改半透明背景色
    background-color: rgba(255, 255, 255, 0.95);
    // 添加边框边晕效果
    box-shadow: 0 0 20px 5px rgba($primary-color, 0.6),
      0 0 40px 10px rgba($primary-color, 0.4),
      0 0 60px 15px rgba($primary-color, 0.2);
  }
}

// 问题标题样式
.question-title {
  background: linear-gradient(
    90deg,
    rgba($primary-color, 0.2),
    rgba($secondary-color, 0.2)
  );
  padding: rpx(15);
  border-radius: rpx(12);
  margin-bottom: rpx(20);
  color: $accent-color;
  font-weight: bold;
  font-size: rpx(14);
  box-shadow: 0 rpx(3) rpx(10) rgba($primary-color, 0.1);
  position: relative;
  display: flex;
  align-items: center;

  .question-icon {
    background-color: $accent-color;
    color: white;
    width: rpx(24);
    height: rpx(24);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: rpx(10);
    font-weight: bold;
    box-shadow: 0 rpx(2) rpx(5) rgba($accent-color, 0.3);
  }
}

// 选项容器样式
.options-container {
  margin-bottom: rpx(20);
}

// 问题选项样式
.question-option {
  margin: rpx(8) 0;
  padding: rpx(10) rpx(15);
  border-radius: rpx(12);
  border: rpx(1) solid rgba($primary-color, 0.3);
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  background-color: white;
  box-shadow: 0 rpx(2) rpx(5) rgba($primary-color, 0.05);

  ::v-deep(.el-radio__label) {
    color: $text-color;
    margin-left: rpx(8);
    flex: 1;
    text-align: left;
    // 增大字体大小
    font-size: rpx(12);
  }

  // 选中时的样式变化
  .el-radio__input.is-checked + .el-radio__label {
    font-weight: bold;
    color: $accent-color;
  }

  &:hover {
    background-color: rgba($primary-color, 0.05);
    border-color: rgba($primary-color, 0.5);
    transform: translateY(-rpx(1));
  }
}

// 暂无选项样式
.no-options {
  color: rgba($text-color, 0.7);
  text-align: center;
  padding: rpx(20);
  font-size: rpx(12);
}

// 底部按钮样式
.child-button {
  min-width: rpx(80);
  height: rpx(30);
  border-radius: rpx(15);
  font-size: rpx(12);
  font-weight: 500;
  transition: all 0.3s ease;
  box-shadow: 0 rpx(2) rpx(8) rgba(0, 0, 0, 0.1);

  &.confirm {
    background: linear-gradient(to right, $primary-color, $secondary-color);
    border: none;
    border-right: 15px;
    color: white;

    &:hover {
      background: linear-gradient(
        to right,
        color.adjust($primary-color, $lightness: -5%),
        color.adjust($secondary-color, $lightness: -5%)
      );
      box-shadow: 0 rpx(3) rpx(10) rgba($primary-color, 0.4);
      transform: translateY(-rpx(1));
      color: white;
    }
  }

  &.cancel {
    background: white;
    border: rpx(1) solid rgba($primary-color, 0.3);
    color: $text-color;

    &:hover {
      background: rgba($primary-color, 0.05);
      border-color: rgba($primary-color, 0.5);
      transform: translateY(-rpx(1));
    }
  }
}

// AI对话图标样式
.ai-icon-container {
  position: absolute;
  bottom: rpx(20);
  right: rpx(20);
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: pointer;
  transition: all 0.3s ease;

  &:hover {
    transform: translateY(-rpx(2));
  }

  .ai-icon {
    width: rpx(30);
    height: rpx(30);
    margin-bottom: rpx(0);
    filter: drop-shadow(0 rpx(2) rpx(4) rgba($primary-color, 0.3));
    // 添加过渡动画
    transition: transform 0.3s ease;
  }

  // 悬浮时放大效果
  .ai-icon:hover {
    transform: scale(1.5);
  }

  .ai-text {
    color: $text-color;
    font-size: rpx(8);
    background-color: rgba(255, 255, 255, 0.7);
    padding: rpx(2) rpx(5);
    border-radius: rpx(5);
  }
}

// AI对话弹出框样式
.ai-dialog {
  .el-dialog__header {
    background: linear-gradient(90deg, $primary-color, $secondary-color);
    color: white;
    padding: rpx(10) rpx(20);
    border-radius: rpx(10) rpx(10) 0 0;

    .el-dialog__title {
      font-size: rpx(12);
    }
  }

  .el-dialog__body {
    padding: rpx(15);
    background-color: white;
  }

  .el-dialog__footer {
    border-top: none;
    padding: rpx(10) rpx(20);
    text-align: right;
  }

  .el-dialog {
    border-radius: rpx(10);
    box-shadow: 0 rpx(10) rpx(30) rgba(0, 0, 0, 0.15);
  }
}

// AI消息样式
.ai-message {
  display: flex;
  align-items: flex-start;
  margin-bottom: rpx(15);

  .ai-avatar {
    width: rpx(30);
    height: rpx(30);
    border-radius: 50%;
    margin-right: rpx(10);
    background-color: $primary-color;
    padding: rpx(5);
    box-shadow: 0 rpx(2) rpx(5) rgba($primary-color, 0.2);
  }

  .ai-text-content {
    background-color: $light-color;
    padding: rpx(8) rpx(12);
    border-radius: rpx(10);
    font-size: rpx(10);
    color: $text-color;
    max-width: 80%;
    box-shadow: 0 rpx(1) rpx(3) rgba(0, 0, 0, 0.05);
  }
}

// 用户输入框样式
.user-input {
  ::v-deep(.el-input__wrapper) {
    border-radius: rpx(15);
    border-color: rgba($primary-color, 0.3);
    margin-right: 10px;

    &:focus-within {
      box-shadow: 0 0 0 rpx(1) rgba($primary-color, 0.5);
    }
  }

  ::v-deep(.el-input__inner) {
    font-size: rpx(10);
    color: $text-color;
    text-indent: 1em;
  }
}
/* 定义淡入和缩放动画 */
.fade-scale-enter-active,
.fade-scale-leave-active {
  transition: all 0.5s ease;
}

.fade-scale-enter-from,
.fade-scale-leave-to {
  opacity: 0.1;
  transform: scale(0.9);
}

// 自定义试题弹框背景
.child-dialog-wrapper {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.6); // 半透明背景
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
}

.child-dialog {
  border: none;
  border-radius: rpx(20);
  background: linear-gradient(
    135deg,
    $light-color,
    #d8bfd8
  ); // 柔和的蓝紫色渐变
  box-shadow: 0 0 20px 5px rgba($primary-color, 0.6),
    0 0 40px 10px rgba($primary-color, 0.4),
    0 0 60px 15px rgba($primary-color, 0.2);
  overflow: hidden;
  padding: rpx(20);
  width: 60%;
  position: relative;
}

// AI对话弹框样式
.ai-dialog-wrapper {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  z-index: 1001;
  pointer-events: none;
}

.ai-dialog {
  border: none;
  border-radius: rpx(20);
  background: linear-gradient(135deg, $light-color, #d8bfd8);
  box-shadow: 0 0 20px 5px rgba($primary-color, 0.6),
    0 0 40px 10px rgba($primary-color, 0.4),
    0 0 60px 15px rgba($primary-color, 0.2);
  overflow: hidden;
  padding: rpx(20);
  width: 30%;
  // 增加高度
  height: 80%;
  margin-right: rpx(50);
  pointer-events: auto;
  position: relative;
  display: flex;
  flex-direction: column;

  &::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: rpx(10);
    background: linear-gradient(
      90deg,
      $primary-color,
      $secondary-color,
      $accent-color
    );
  }
}

.ai-dialog-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: rpx(15);

  h3 {
    color: $text-color;
    font-size: rpx(12);
  }

  .close-btn {
    padding: 0;
    width: rpx(20);
    height: rpx(20);
    font-size: rpx(16);
    line-height: 1;
  }
}

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

.ai-message-history {
  flex: 1;
  // 当内容超出容器高度时，显示垂直滚动条
  overflow-y: auto;
  margin-bottom: rpx(15);
  // 可以根据实际情况调整最大高度
  max-height: 50vh;
  padding: 5px 10px;

  .message {
    display: flex;
    align-items: flex-start;
    margin-bottom: rpx(10);

    &.user {
      flex-direction: row-reverse;
    }

    .avatar {
      width: rpx(30);
      height: rpx(30);
      border-radius: 50%;
      margin: 0 rpx(10);
    }

    .user {
      width: 15px;
      height: 15px;
    }

    .message-content {
      background-color: $light-color;
      padding: rpx(8) rpx(12);
      border-radius: rpx(10);
      font-size: rpx(10);
      color: $text-color;
      max-width: 80%;
      box-shadow: 0 rpx(1) rpx(3) rgba(0, 0, 0, 0.05);
    }
  }
  // 滚动条整体样式
  &::-webkit-scrollbar {
    width: rpx(4); // 滚动条宽度
  }

  // 滚动条滑块样式
  &::-webkit-scrollbar-thumb {
    background-color: $primary-color; // 滑块颜色
    border-radius: rpx(4); // 滑块圆角
    transition: background-color 0.3s ease; // 颜色过渡效果

    &:hover {
      //background-color: darken($primary-color, 10%); // 悬停时滑块颜色加深
    }
  }

  // 滚动条轨道样式
  &::-webkit-scrollbar-track {
    background-color: rgba($primary-color, 0.2); // 轨道颜色
    border-radius: rpx(4); // 轨道圆角
  }

  .message {
    display: flex;
    align-items: flex-start;
    margin-bottom: rpx(10);

    &.user {
      flex-direction: row-reverse;
    }

    .avatar {
      width: rpx(30);
      height: rpx(30);
      border-radius: 50%;
      margin: 0 rpx(10);
    }

    .message-content {
      background-color: $light-color;
      padding: rpx(8) rpx(12);
      border-radius: rpx(10);
      font-size: rpx(10);
      color: $text-color;
      max-width: 80%;
      box-shadow: 0 rpx(1) rpx(3) rgba(0, 0, 0, 0.05);
    }
  }
}

// 优化发送按钮样式
.send-button {
  //background: linear-gradient(90deg, $primary-color, $secondary-color);
  border: none;
  color: white;

  &:hover {
    //background: linear-gradient(90deg, darken($primary-color, 5%), darken($secondary-color, 5%));
  }
}

</style>