body {
  font-family: Arial, sans-serif;
  background-color: #f8f9fa;
  margin: 0;
}
.wrapper {
  display: flex;
  min-height: 100vh;
}
.sidebar {
  width: 250px;
  background-color: #343a40;
  color: white;
  padding-top: 20px;
  flex-shrink: 0;
}
.sidebar h2 {
  text-align: center;
  margin-bottom: 20px;
  font-size: 1.5rem;
  color: #ffc107;
}
.sidebar a {
  display: block;
  padding: 12px 20px;
  color: white;
  text-decoration: none;
  transition: background 0.3s;
}
.sidebar a:hover {
  background-color: #495057;
}
.sidebar .active {
  background-color: #007bff;
}
.content {
  flex-grow: 1;
  padding: 20px;
}