* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
  }
  
  body {
    background-color: #1a1a1a;
    color: #fff;
  }
  
  header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background-color: #2a2a2a;
    border-bottom: 2px solid #fff;
    border-radius: 0 0 10px 10px;
  }
  
  h1 {
    font-size: 24px;
  }
  
  nav button {
    background: none;
    border: 2px solid #fff;
    color: #fff;
    padding: 8px 16px;
    margin-left: 10px;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
  }
  
  nav button:hover {
    background-color: #fff;
    color: #1a1a1a;
  }
  
  main {
    padding: 20px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
  }
  
  .service-card {
    background-color: #2a2a2a;
    border: 2px solid #fff;
    border-radius: 10px;
    padding: 15px;
    text-align: center;
  }
  
  .service-card h2 {
    font-size: 18px;
    margin-bottom: 10px;
  }
  
  .service-card p {
    font-size: 14px;
    color: #ccc;
    margin-bottom: 10px;
  }
  
  .status-running {
    color: #4CAF50;
  }
  
  .status-stopped {
    color: #F44336;
  }
  
  .status-error {
    color: #FF9800;
  }