body {
      font-family: Arial, sans-serif;
      max-width: 480px;
      margin: 40px auto;
      padding: 24px;
      border: 1px solid #e0e0e0;
      border-radius: 8px;
      box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    }
    h2 { margin-top: 0; color: #333; }
    .form-group { margin-bottom: 16px; }
    label { display: block; margin-bottom: 6px; font-weight: bold; }
    input[type="text"], input[type="date"] {
      width: 100%;
      padding: 8px;
      border: 1px solid #ccc;
      border-radius: 4px;
      box-sizing: border-box;
    }
    .checkbox-item {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 8px;
      padding: 6px 8px;
      background-color: #f9f9f9;
      border-radius: 4px;
    }
    .checkbox-item label {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 0;
      font-weight: normal;
      cursor: pointer;
    }
    .harga-label {
      color: #555;
      font-weight: 600;
      font-size: 14px;
    }
    .total-box {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-top: 12px;
      padding: 10px;
      background: #eef6ff;
      border: 1px dashed #007bff;
      border-radius: 4px;
      font-size: 15px;
    }
    .total-amount {
      font-weight: bold;
      color: #007bff;
      font-size: 16px;
    }
    button {
      background-color: #007bff;
      color: white;
      padding: 10px 18px;
      border: none;
      border-radius: 4px;
      cursor: pointer;
      font-size: 15px;
      width: 100%;
      margin-top: 16px;
    }
    button:hover { background-color: #0056b3; }
    #menu-container {
      padding: 4px 0;
      min-height: 40px;
    }