<template>
  <div class="error-page">
    <div class="error-content">
      <div class="error-image">
        <img src="/404.svg" alt="404" />
      </div>
      
      <div class="error-info">
        <h1 class="error-code">404</h1>
        <h2 class="error-title">页面不存在</h2>
        <p class="error-description">
          抱歉，您访问的页面不存在或已被删除。
        </p>
        
        <div class="error-actions">
          <el-button type="primary" @click="goHome">
            <el-icon><House /></el-icon>
            返回首页
          </el-button>
          <el-button @click="goBack">
            <el-icon><ArrowLeft /></el-icon>
            返回上页
          </el-button>
        </div>
      </div>
    </div>
  </div>
</template>

<script setup lang="ts">
import { useRouter } from 'vue-router'

const router = useRouter()

// 返回首页
const goHome = () => {
  router.push('/')
}

// 返回上一页
const goBack = () => {
  router.go(-1)
}
</script>

<style lang="scss" scoped>
.error-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background-color: var(--el-bg-color-page);
  
  .error-content {
    text-align: center;
    max-width: 600px;
    padding: 40px 20px;
    
    .error-image {
      margin-bottom: 40px;
      
      img {
        width: 300px;
        height: 300px;
        max-width: 100%;
      }
    }
    
    .error-info {
      .error-code {
        font-size: 72px;
        font-weight: 700;
        color: var(--el-color-primary);
        margin: 0 0 16px 0;
        line-height: 1;
      }
      
      .error-title {
        font-size: 32px;
        font-weight: 600;
        color: var(--el-text-color-primary);
        margin: 0 0 16px 0;
      }
      
      .error-description {
        font-size: 16px;
        color: var(--el-text-color-secondary);
        margin: 0 0 32px 0;
        line-height: 1.6;
      }
      
      .error-actions {
        display: flex;
        gap: 16px;
        justify-content: center;
        
        .el-button {
          padding: 12px 24px;
          font-size: 16px;
        }
      }
    }
  }
}

// 响应式设计
@media (max-width: 768px) {
  .error-page {
    .error-content {
      padding: 20px;
      
      .error-image {
        margin-bottom: 20px;
        
        img {
          width: 200px;
          height: 200px;
        }
      }
      
      .error-info {
        .error-code {
          font-size: 48px;
        }
        
        .error-title {
          font-size: 24px;
        }
        
        .error-description {
          font-size: 14px;
        }
        
        .error-actions {
          flex-direction: column;
          align-items: center;
          
          .el-button {
            width: 200px;
          }
        }
      }
    }
  }
}
</style>