body {
    font-family: 'Segoe UI', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f7f9fc;
    color: #333;
  }
  
  .navbar {
    background-color: #2c3e50;
    color: white;
    padding: 10px 20px;
    display: flex;
    justify-content: space-between;
  }
  
  .navbar a {
    color: white;
    text-decoration: none;
    margin-left: 15px;
  }
  
  .container {
    padding: 20px;
    max-width: 800px;
    margin: auto;
  }
  
  h1, h2 {
    color: #2c3e50;
  }
  
  .card {
    background: white;
    border: 1px solid #ddd;
    padding: 15px;
    border-radius: 6px;
    margin-bottom: 15px;
  }
  
  button {
    padding: 6px 12px;
    margin-right: 8px;
    border: none;
    border-radius: 4px;
    background-color: #3498db;
    color: white;
    cursor: pointer;
  }
  
  button:hover {
    background-color: #2980b9;
  }
  
  form input {
    width: 100%;
    padding: 8px;
    margin-top: 4px;
    margin-bottom: 12px;
    border-radius: 4px;
    border: 1px solid #ccc;
  }