<template>
  <div class="maintenance-container">
    <div class="maintenance-content">
      <img 
        src="/public/imgs/loading.png" 
        alt="加载中" 
        class="maintenance-spinner"
      >
      <h1 class="maintenance-title">服务器维护中</h1>
      <p class="maintenance-message">
        我们正在对系统进行升级维护，以提供更好的服务体验<br>
        请稍后再访问，感谢您的理解与支持
      </p>
      <div class="maintenance-progress">
        <div class="progress-bar"></div>
      </div>
    </div>
  </div>
</template>

<style scoped>
.maintenance-container {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  color: #333;
  padding: 20px;
  text-align: center;
}

.maintenance-content {
  max-width: 500px;
  padding: 40px;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 16px;
  box-shadow: 0 8px 32px rgba(31, 38, 135, 0.1);
  backdrop-filter: blur(8px);
  animation: fadeIn 0.6s ease-out;
}

.maintenance-spinner {
  width: 80px;
  height: 80px;
  margin-bottom: 20px;
  animation: spin 2s linear infinite;
}

.maintenance-title {
  font-size: 28px;
  font-weight: 600;
  margin-bottom: 15px;
  color: #2c3e50;
}

.maintenance-message {
  font-size: 16px;
  line-height: 1.6;
  margin-bottom: 25px;
  color: #7f8c8d;
}

.maintenance-progress {
  height: 6px;
  background: #ecf0f1;
  border-radius: 3px;
  overflow: hidden;
  margin-top: 30px;
}

.progress-bar {
  height: 100%;
  width: 60%;
  background: linear-gradient(90deg, #3498db, #9b59b6);
  animation: progressAnimation 2s ease-in-out infinite;
  border-radius: 3px;
}

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

@keyframes progressAnimation {
  0% { width: 20%; }
  50% { width: 80%; }
  100% { width: 20%; }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 600px) {
  .maintenance-content {
    padding: 30px 20px;
  }
  
  .maintenance-title {
    font-size: 24px;
  }
}
</style>