body {
    font-family: 'Segoe UI', sans-serif;
    background: #f9f9f9;
    margin: 0;
    padding: 2em;
    color: #333;
  }
  
  .container {
    max-width: 700px;
    margin: auto;
    background: white;
    padding: 2em;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.05);
  }

  .client-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  .btn-logout {
    font-size: 0.9em;
    text-decoration: none;
    color: #c00;
  }
  .btn-logout:hover {
    text-decoration: underline;
  }

  .admin-link-container {
    text-align: center;
    margin-top: 1em;
  }
  .admin-link-container a {
    font-size: 0.9em;
    text-decoration: none;
    color: #007bff;
  }
  .admin-link-container a:hover {
    text-decoration: underline;
  }
  
  h1, h2 {
    margin-bottom: 1em;
  }
  
  .instances-list {
    list-style: none;
    padding: 0;
  }
  
  .instance-item {
    padding: 1em;
    border-left: 5px solid #ccc;
    margin-bottom: 1em;
    background: #f5f5f5;
    border-radius: 5px;
  }
  
  .instance-item a {
    font-weight: bold;
    color: #0077cc;
    text-decoration: none;
  }
  
  .status.ok {
    color: green;
    font-weight: bold;
  }
  
  .status.warning {
    color: orange;
    font-weight: bold;
  }
  
  .status.error {
    color: red;
    font-weight: bold;
  }
  
  .actions button {
    margin-left: 0.5em;
    cursor: pointer;
  }
  
  textarea {
    width: 100%;
    padding: 0.8em;
    margin-bottom: 1em;
  }
  
  button {
    padding: 0.6em 1.2em;
    border: none;
    background: #0077cc;
    color: white;
    font-weight: bold;
    border-radius: 4px;
    cursor: pointer;
  }
  
  button:hover {
    background: #005fa3;
  }