<template>
  <!-- 加载中页面 -->
  <div class="portal-loading">
    <div class="loading-content">
      <!-- 加载动画 -->
      <div class="loading-spinner">
        <div class="spinner-ring"></div>
        <div class="spinner-ring"></div>
        <div class="spinner-ring"></div>
      </div>

      <!-- 加载文本 -->
      <h2 class="loading-title">正在加载...</h2>
      <p class="loading-subtitle">请稍候，正在准备您的工作台</p>
    </div>
  </div>
</template>

<script setup lang="ts">
// 加载中页面，无特殊逻辑
</script>

<style scoped>
/* 页面容器 */
.portal-loading {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 加载内容 */
.loading-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

/* 加载动画 */
.loading-spinner {
  position: relative;
  width: 80px;
  height: 80px;
}

.spinner-ring {
  position: absolute;
  width: 100%;
  height: 100%;
  border: 3px solid transparent;
  border-top-color: #3b82f6;
  border-radius: 50%;
  animation: spin 1.5s linear infinite;
}

.spinner-ring:nth-child(2) {
  width: 60px;
  height: 60px;
  top: 10px;
  left: 10px;
  border-top-color: #f59e0b;
  animation-duration: 1.2s;
  animation-direction: reverse;
}

.spinner-ring:nth-child(3) {
  width: 40px;
  height: 40px;
  top: 20px;
  left: 20px;
  border-top-color: #10b981;
  animation-duration: 0.9s;
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* 加载文本 */
.loading-title {
  font-size: 24px;
  font-weight: 600;
  color: #f1f5f9;
}

.loading-subtitle {
  font-size: 14px;
  color: #94a3b8;
}
</style>
