* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    font-family: 'Roboto', sans-serif;
    background: #825CFF;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    color: #fff;
  }
  
  .main-container {
    width: 90%;
    max-width: 400px;
    margin: auto;
  }
  
  .card {
    background: #fff;
    border-radius: 15px;
    padding: 20px 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    text-align: center;
  }
  
  .title {
    font-size: 24px;
    color: #333;
    margin-bottom: 10px;
  }
  
  .subtitle {
    font-size: 14px;
    color: #666;
    margin-bottom: 20px;
  }
  
  .form-group {
    margin-bottom: 15px;
    text-align: left;
  }
  
  label {
    font-size: 14px;
    color: #444;
    margin-bottom: 5px;
    display: block;
  }
  
  input, select {
    width: 100%;
    padding: 10px;
    font-size: 14px;
    border: 1px solid #ddd;
    border-radius: 5px;
    transition: border 0.3s ease;
  }
  
  input:focus, select:focus {
    border: 1px solid #6a11cb;
    outline: none;
  }
  
  .btn {
    padding: 10px 15px;
    border: none;
    border-radius: 25px;
    font-size: 14px;
    cursor: pointer;
    transition: transform 0.2s ease, background 0.3s ease;
  }
  
  .btn.primary {
    background: #6a11cb;
    color: #fff;
  }
  
  .btn.primary:hover {
    background: #2575fc;
    transform: scale(1.05);
  }
  
  .btn.secondary {
    background: #f4f4f4;
    color: #333;
    margin-top: 10px;
  }
  
  .btn.secondary:hover {
    background: #e0e0e0;
    transform: scale(1.05);
  }
  
  .qr-container {
    margin: 20px auto;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
  }
  
  canvas {
    margin: 20px 0;
  }
  
  .actions {
    display: flex;
    justify-content: space-between;
    gap: 10px;
  }