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

  body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 2rem;
    display: flex;
    justify-content: center;
    align-items: center;
  }

  .container {
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    max-width: 800px;
    width: 100%;
    padding: 3rem;
    animation: slideUp 0.5s ease-out;
  }

  @keyframes slideUp {
    from {
      opacity: 0;
      transform: translateY(30px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  h1 {
    color: #333;
    margin-bottom: 0.5rem;
    font-size: 2rem;
  }

  .subtitle {
    color: #666;
    margin-bottom: 2rem;
    font-size: 1rem;
  }

  .form-section {
    margin-bottom: 2rem;
  }

  .section-title {
    color: #667eea;
    font-size: 1.2rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #667eea;
  }

  .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
  }

  .form-group {
    margin-bottom: 1rem;
  }

  .form-group.full-width {
    grid-column: 1 / -1;
  }

  label {
    display: block;
    color: #333;
    font-weight: 500;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
  }

  input, select, textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    font-family: inherit;
  }

  input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
  }

  textarea {
    resize: vertical;
    min-height: 100px;
  }

  button {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    width: 100%;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
  }

  button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
  }

  button:active {
    transform: translateY(0);
  }

  button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
  }

  .success-message {
    background: #4caf50;
    color: white;
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    display: none;
    animation: slideDown 0.3s ease-out;
  }

  @keyframes slideDown {
    from {
      opacity: 0;
      transform: translateY(-10px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  .success-message.show {
    display: block;
  }

  .error-message {
    background: #f44336;
    color: white;
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    display: none;
  }

  .error-message.show {
    display: block;
  }

  @media (max-width: 768px) {
    .form-row {
      grid-template-columns: 1fr;
    }

    .container {
      padding: 2rem;
    }

    h1 {
      font-size: 1.5rem;
    }
  }