body {
      font-family: Arial, sans-serif;
      background: #e8e8e8;
      margin: 0;
      padding: 0;
    }

    header {
      background-color: #333;
      color: white;
      padding: 10px 20px;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    header .logo {
      font-size: 1.4rem;
      font-weight: bold;
    }

    header nav a {
      color: white;
      margin: 0 10px;
      text-decoration: none;
    }

    header .right {
      font-size: 0.9rem;
    }

    main {
      padding: 30px 40px;
      background-color: #f3f3f3;
    }

    h2 {
      margin-top: 30px;
      color: #444;
    }

    .grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
      gap: 15px;
      margin-top: 15px;
    }

    .tile {
      background: white;
      padding: 15px;
      text-align: center;
      border-radius: 8px;
      box-shadow: 0 1px 3px rgba(0,0,0,0.1);
      transition: transform 0.2s;
      cursor: pointer;
    }

    .tile:hover {
      transform: scale(1.03);
    }

    .tile i {
      font-size: 24px;
      display: block;
      margin-bottom: 10px;
    }
    .box {
      background: white;
      padding: 30px;
      border-radius: 8px;
      box-shadow: 0 1px 5px rgba(0,0,0,0.1);
    }
    input {
      width: 100%;
      padding: 10px;
      margin: 10px 0;
    }
    button {
      background: #333;
      color: white;
      padding: 10px;
      border: none;
      width: 100%;
      cursor: pointer;
    }