body {
    font-family: sans-serif;
    background: #f4f6f9;
    margin: 0;
    color: #333;
  }
  
  header {
    background: #111;
    color: white;
    padding: 1rem;
    text-align: center;
  }
  
  header input {
    margin-top: 1rem;
    padding: 0.5rem;
    width: 80%;
    max-width: 400px;
    border-radius: 5px;
    border: none;
  }
  
  main {
    padding: 2rem;
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
  
  .card {
    background: white;
    padding: 1rem;
    border-radius: 8px;
    box-shadow: 0 0 6px rgba(0,0,0,0.1);
  }
  
  .card h2 {
    margin: 0;
    font-size: 1.1rem;
  }
  
  .card p {
    font-size: 0.9rem;
    color: #666;
  }
  
  .card small {
    display: block;
    margin-bottom: 0.5rem;
    color: #888;
  }
  
  .card a, .card button {
    margin-right: 0.5rem;
    padding: 0.4rem 0.6rem;
    font-size: 0.85rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    background: #007bff;
    color: white;
    text-decoration: none;
  }
  
  .card button:hover, .card a:hover {
    background: #0056b3;
  }
  
  footer {
    text-align: center;
    padding: 1rem;
    background: #111;
    color: white;
  }