/* 全局样式 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  background-color: #f0f2f5;
}

#app {
  height: 100vh;
  overflow: hidden;
}

/* 登录页面样式 */
.login-container {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-box {
  background: white;
  padding: 40px;
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.2);
  width: 400px;
}

.login-title {
  text-align: center;
  margin-bottom: 30px;
  color: #333;
  font-size: 24px;
  font-weight: bold;
}

.login-logo {
  text-align: center;
  margin-bottom: 30px;
}

.login-logo img {
  width: 80px;
  height: 80px;
  border-radius: 50%;
}

/* 布局样式 */
.admin-layout {
  display: flex;
  height: 100vh;
}

.sidebar {
  width: 250px;
  background: #304156;
  color: white;
  transition: width 0.3s;
}

.sidebar.collapsed {
  width: 64px;
}

.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.header {
  background: white;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  box-shadow: 0 1px 4px rgba(0,21,41,.08);
  z-index: 10;
}

.content {
  flex: 1;
  padding: 20px;
  overflow-y: auto;
  background: #f0f2f5;
}

/* 侧边栏样式 */
.el-menu {
  border-right: none !important;
}

.el-menu-item, .el-submenu__title {
  height: 50px;
  line-height: 50px;
}

.sidebar.collapsed .el-menu-item span,
.sidebar.collapsed .el-submenu__title span {
  display: none;
}

/* 卡片样式 */
.stat-card {
  background: white;
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  transition: transform 0.3s;
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}

.stat-number {
  font-size: 32px;
  font-weight: bold;
  margin: 10px 0;
}

.stat-label {
  color: #666;
  font-size: 14px;
}

/* 表格样式 */
.el-table {
  background: white;
  border-radius: 8px;
  overflow: hidden;
}

.el-table th {
  background: #f5f7fa;
  color: #606266;
  font-weight: 600;
}

/* 搜索栏样式 */
.search-bar {
  background: white;
  padding: 20px;
  border-radius: 8px;
  margin-bottom: 20px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.search-form {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: flex-end;
}

.search-form .el-form-item {
  margin-bottom: 0;
}

/* 图表容器 */
.chart-container {
  background: white;
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.chart {
  height: 400px;
  width: 100%;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .sidebar {
    position: fixed;
    left: -250px;
    z-index: 1000;
    transition: left 0.3s;
  }
  
  .sidebar.mobile-open {
    left: 0;
  }
  
  .main-content {
    margin-left: 0;
  }
  
  .search-bar {
    padding: 15px;
  }
  
  .stat-card {
    padding: 15px;
  }
}

/* 动画效果 */
.fade-enter-active, .fade-leave-active {
  transition: opacity 0.3s;
}

.fade-enter, .fade-leave-to {
  opacity: 0;
}

.slide-fade-enter-active {
  transition: all 0.3s ease;
}

.slide-fade-leave-active {
  transition: all 0.3s cubic-bezier(1.0, 0.5, 0.8, 1.0);
}

.slide-fade-enter, .slide-fade-leave-to {
  transform: translateX(10px);
  opacity: 0;
}