/* Reset and base */
* {
    box-sizing: border-box;
  }
  body {
    margin: 0;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen,
      Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    background: #f5f7fa;
    color: #222;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    line-height: 1.6;
  }
  
  .container {
    max-width: 480px;
    margin: 3rem auto;
    padding: 0 1.5rem;
  }
  
  header {
    text-align: center;
    margin-bottom: 2.5rem;
  }
  
  h1 {
    font-weight: 700;
    font-size: 2.75rem;
    margin-bottom: 0.25rem;
    color: #0a2540;
  }
  
  .subtitle {
    font-weight: 400;
    font-size: 1.125rem;
    color: #4a5568;
  }
  
  h2 {
    font-weight: 600;
    font-size: 1.375rem;
    margin-bottom: 1rem;
    color: #0a2540;
    border-bottom: 2px solid #e2e8f0;
    padding-bottom: 0.4rem;
  }
  
  .servers {
    list-style: none;
    padding: 0;
    margin: 0;
  }
  
  .servers li {
    background: white;
    border-radius: 12px;
    padding: 1.25rem 1.5rem;
    box-shadow: 0 2px 6px rgba(10, 37, 64, 0.08);
    margin-bottom: 1rem;
    transition: box-shadow 0.2s ease;
    cursor: default;
  }
  
  .servers li:hover {
    box-shadow: 0 6px 12px rgba(10, 37, 64, 0.12);
  }
  
  .servers li strong {
    display: block;
    font-weight: 600;
    font-size: 1.125rem;
    color: #1a202c;
    margin-bottom: 0.25rem;
  }
  
  .servers li small {
    color: #718096;
    font-size: 0.875rem;
    font-weight: 400;
  }
  
  .add-server {
    margin-top: 3rem;
  }
  
  .form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
  }
  
  input[type="text"] {
    padding: 0.85rem 1.1rem;
    font-size: 1rem;
    border-radius: 8px;
    border: 1.5px solid #cbd5e0;
    outline-offset: 2px;
    transition: border-color 0.2s ease;
    font-weight: 400;
    color: #2d3748;
    background: white;
  }
  
  input[type="text"]:focus {
    border-color: #3182ce;
    box-shadow: 0 0 0 3px rgba(66, 153, 225, 0.35);
  }
  
  .btn {
    background-color: #3182ce;
    color: white;
    padding: 0.9rem 1rem;
    font-weight: 600;
    font-size: 1.125rem;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: background-color 0.2s ease;
  }
  
  .btn:hover,
  .btn:focus {
    background-color: #2c5282;
    outline: none;
  }
  
  /* Responsive tweaks */
  @media (max-width: 520px) {
    .container {
      margin: 2rem 1rem;
    }
  }
  