body {
      margin: 0;
      font-family: Arial, sans-serif;
      display: flex;
      flex-direction: column;
      height: 100vh;
    }
    header {
      background: #222;
      color: #fff;
      padding: 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    header h1 {
      margin: 0;
      font-size: 28px;
    }
    nav {
      display: flex;
      gap: 20px;
    }
    nav a {
      color: #fff;
      text-decoration: none;
      font-weight: bold;
    }
    .contact-btn {
      background: #4CAF50;
      padding: 10px 20px;
      border-radius: 6px;
      color: white;
      text-decoration: none;
      font-weight: bold;
      margin-right: auto;
    }
    .content-wrapper {
      flex: 1;
      display: flex;
      overflow: hidden;
    }
    .sidebar {
      width: 250px;
      background: #f4f4f4;
      border-right: 1px solid #ccc;
      overflow-y: scroll;
      padding: 10px;
    }
    .project-list-item {
      padding: 10px;
      cursor: pointer;
      border-bottom: 1px solid #ccc;
    }
    .project-list-item:hover {
      background: #ddd;
    }
    .project-display {
      flex: 1;
      padding: 20px;
      overflow-y: auto;
    }
    .project-section {
      border: 1px solid #ccc;
      padding: 20px;
      margin-bottom: 20px;
      border-radius: 6px;
    }
    details {
      margin-top: 10px;
      margin-bottom: 10px;
      border: 1px solid #ccc;
      padding: 10px;
      border-radius: 6px;
      background: #fafafa;
    }
    footer {
      background: #222;
      color: #fff;
      padding: 15px;
      display: flex;
      justify-content: center;
      gap: 20px;
    }
    footer a {
      color: #fff;
      text-decoration: none;
      font-weight: bold;
    }

      .example-block {
    display: flex;
    gap: 20px;
    margin: 25px 0;
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .example-input, .example-output {
    flex: 1;
    min-width: 300px;
  }

  .example-input pre {
    background: #f4f4f4;
    padding: 15px;
    border-radius: 6px;
    border: 1px solid #ccc;
    overflow-x: auto;
  }

  .example-output img {
    width: 100%;
    border-radius: 6px;
    border: 1px solid #ccc;
  }

  .example-input h3,
  .example-output h3 {
    margin-top: 0;
    font-weight: bold;
  }