* {
    margin: 0;
    padding: 0;
    -webkit-box-sizing: border-box;
            box-sizing: border-box;
  }

  body {
    font-family: Arial, sans-serif;
    background: #f5f5f5;
    padding: 10px;
    height: 100vh;
    overflow: hidden;
    display: grid;
    grid-template-rows: 1fr auto;
    gap: 10px;
  }

  #beefree-sdk-container {
    border: 1px solid #ddd;
    background: #fff;
    height: calc(100vh - 120px);
    min-height: 300px;
  }

  #controls {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    gap: 15px;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    padding: 10px;
    background: #eee;
    border-radius: 4px;
  }

  #status {
    margin-left: auto;
    padding: 5px 10px;
    border-radius: 4px;
  }

  .success {
    background: #e8f5e9;
    color: #388e3c;
  }

  .error {
    background: #ffebee;
    color: #d32f2f;
  }