/* Reset default margins and paddings */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  /* Layout for the whole page */
  body {
    font-family: Arial, sans-serif;
    display: flex;
    min-height: 100vh;
    background-color: #f4f4f9;
  }
  
  /* Sidebar Styling */
  .sidebar {
    width: 250px;
    background-color: #333;
    color: #fff;
    padding: 20px;
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
  }
  
  .sidebar h2 {
    text-align: center;
    margin-bottom: 30px;
  }
  
  .sidebar ul {
    list-style: none;
    padding-left: 0;
  }
  
  .sidebar ul li {
    margin: 20px 0;
  }
  
  .sidebar ul li a {
    text-decoration: none;
    color: #fff;
    font-size: 18px;
  }
  
  .sidebar ul li a:hover {
    color: #04c8b7;
  }
  
  /* Main Content Styling */
  .main-content {
    margin-left: 250px;
    padding: 20px;
    width: 100%;
  }
  
  /* Header Styling */
  .header {
    background-color: #04c8b7;
    padding: 20px;
    color: white;
    text-align: center;
    border-radius: 8px;
    margin-bottom: 30px;
  }
  
  .header h1 {
    margin: 0;
    font-size: 28px;
  }
  
  /* Dashboard Overview */
  .dashboard-overview {
    display: flex;
    justify-content: space-between;
    gap: 20px;
  }
  
  .card {
    background-color: white;
    padding: 20px;
    width: 22%;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    text-align: center;
  }
  
  .card h3 {
    font-size: 18px;
    margin-bottom: 10px;
  }
  
  .card p {
    font-size: 24px;
    font-weight: bold;
  }
  
  /* Responsiveness */
  @media (max-width: 768px) {
    .dashboard-overview {
      flex-direction: column;
    }
  
    .card {
      width: 100%;
      margin-bottom: 20px;
    }
  }