body {
    font-family: 'Segoe UI', sans-serif;
    max-width: 700px;
    margin: 2em auto;
    padding: 0 1em;
    background: #f9f9f9;
    color: #333;
  }
  
  h1 {
    color: #1e88e5;
    font-size: 1.8em;
    border-bottom: 2px solid #1e88e5;
    padding-bottom: 0.3em;
  }
  
  ul {
    list-style: none;
    padding: 0;
  }
  
  li {
    padding: 0.7em;
    margin-bottom: 0.5em;
    background: #ffffff;
    border-left: 5px solid #1e88e5;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
  }
  
  button {
    font-size: 1em;
    background: #1e88e5;
    color: white;
    padding: 0.6em 1.2em;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    margin-bottom: 1.5em;
  }
  
  button:hover {
    background: #1565c0;
  }
  
  table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 2em;
  }
  
  th, td {
    padding: 0.6em 0.8em;
    border-bottom: 1px solid #ccc;
    text-align: left;
  }
  
  thead {
    background-color: #f0f0f0;
  }