html, body {
  margin: 0;
  padding: 0;
  height: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background-color: #f5f7fa;
  min-height: 100vh;
}

#app {
  height: 100%;
}

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

.login-card {
  width: 400px;
}

.card-header {
  text-align: center;
  font-size: 20px;
  font-weight: bold;
}

.admin-container {
  min-height: 100vh;
  height: 100%;
}

.admin-container .el-container {
  height: 100%;
}

.admin-container .el-aside {
  background-color: #304156;
  min-height: 100vh;
}

.admin-container .el-menu {
  border-right: none;
  background-color: #304156;
}

.admin-container .el-menu-item {
  color: #bfcbd9;
}

.admin-container .el-menu-item:hover {
  background-color: #263445;
}

.admin-container .el-menu-item.is-active {
  color: #409eff;
  background-color: #263445;
}

.admin-container .el-main {
  padding: 20px;
  background-color: #f5f7fa;
  overflow: auto;
}

.header-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 15px;
  border-bottom: 1px solid #e4e7ed;
}

.header-bar h2 {
  font-size: 22px;
  font-weight: 500;
  color: #303133;
}

.el-pagination {
  display: flex;
}

.el-table {
  width: 100%;
}