<template>
  <view class="admin-page">
    <view class="admin-card header-card">
      <view class="title-row">
        <view class="breadcrumb">
          <text class="back">返回</text>
          <text class="sep">/</text>
          <text class="current">PC端装修</text>
        </view>
        <button class="btn primary">保存</button>
      </view>
    </view>
    
    <view class="admin-card content-card pc-design-container">
      <!-- 左侧二级菜单 -->
      <view class="side-menu">
        <view 
          v-for="item in menuItems" 
          :key="item.id"
          class="menu-item"
          :class="{ active: activeMenu === item.id }"
          @click="activeMenu = item.id"
        >
          {{ item.title }}
        </view>
      </view>
      
      <!-- 中间预览区 -->
      <view class="preview-area">
        <view class="preview-header">
           <view class="dot-wrap">
             <view class="dot"></view>
             <view class="dot"></view>
             <view class="dot"></view>
           </view>
           <view class="search-bar-sim"></view>
        </view>
        <view class="preview-body">
          <image 
            class="mock-pc" 
            src="/static/placeholder.png" 
            mode="aspectFit"
          ></image>
        </view>
      </view>
      
      <!-- 右侧设置区 -->
      <view class="setting-area">
        <view class="box-title">
          <view class="line"></view>
          <text class="text">页面设置</text>
        </view>
        
        <view class="setting-form">
          <view class="setting-item">
            <text class="label">建议尺寸：140px * 60px</text>
            <text class="desc">除LOGO图标外，页面其他内容仅供参考</text>
          </view>
          
          <view class="logo-uploader">
             <image class="logo-preview" src="/static/placeholder.png"></image>
             <view class="upload-mask">更换图片</view>
          </view>
        </view>
      </view>
    </view>
  </view>
</template>

<script setup lang="uts">
import { ref } from 'vue'

const activeMenu = ref('logo')

const menuItems = [
  { id: 'logo', title: '网站LOGO' },
  { id: 'banner', title: '首页轮播图' },
  { id: 'ad', title: '客服页面广告' },
  { id: 'menu', title: '顶部菜单配置' },
  { id: 'friend', title: '友情链接配置' },
  { id: 'about', title: '关于我们' }
]
</script>

<style scoped>
.pc-design-container {
  display: flex;
  flex-direction: row;
  height: 700px;
  padding: 0;
}

.side-menu {
  width: 160px;
  border-right: 1px solid #ebeef5;
  padding: 20px 0;
}

.menu-item {
  height: 50px;
  line-height: 50px;
  padding: 0 25px;
  font-size: 14px;
  color: #2d8cf0;
  cursor: pointer;
  transition: all 0.2s;
}

.menu-item.active {
  background-color: #f0f7ff;
  border-right: 2px solid #2d8cf0;
}

.preview-area {
  flex: 1;
  background-color: #f5f7fa;
  padding: 40px;
  display: flex;
  flex-direction: column;
}

.preview-header {
  height: 30px;
  background-color: #fff;
  border-radius: 4px 4px 0 0;
  display: flex;
  align-items: center;
  padding: 0 10px;
  gap: 15px;
}

.dot-wrap {
  display: flex;
  gap: 5px;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #ddd;
}

.search-bar-sim {
  width: 200px;
  height: 14px;
  background-color: #f5f5f5;
  border-radius: 7px;
}

.mock-pc {
  width: 100%;
  flex: 1;
  background-color: #fff;
}

.setting-area {
  width: 300px;
  border-left: 1px solid #ebeef5;
  padding: 25px;
}

.box-title {
  display: flex;
  align-items: center;
  margin-bottom: 25px;
}

.box-title .line {
  width: 2px;
  height: 14px;
  background-color: #2d8cf0;
  margin-right: 8px;
}

.box-title .text {
  font-size: 14px;
  font-weight: bold;
}

.setting-item {
  margin-bottom: 20px;
}

.setting-item .label {
  display: block;
  font-size: 12px;
  color: #909399;
  margin-bottom: 5px;
}

.setting-item .desc {
  display: block;
  font-size: 12px;
  color: #c0c4cc;
}

.logo-uploader {
  width: 120px;
  height: 80px;
  border: 1px dashed #dcdfe6;
  position: relative;
  overflow: hidden;
  border-radius: 4px;
}

.logo-preview {
  width: 100%;
  height: 100%;
}

.upload-mask {
  position: absolute;
  bottom: 0;
  width: 100%;
  height: 24px;
  line-height: 24px;
  background-color: rgba(0,0,0,0.5);
  color: #fff;
  font-size: 12px;
  text-align: center;
}
</style>
