body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: #f6f7f9;
    padding: 40px;
  }

  h3 {
    margin-bottom: 20px;
    font-size: 20px;
  }

  .container {
    max-width: 420px;
    background: #ffffff;
    padding: 24px;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.08);
  }

  form input {
    width: 100%;
    padding: 10px 12px;
    border-radius: 6px;
    border: 1px solid #d0d5dd;
    font-size: 14px;
    margin-bottom: 12px;
  }

  form input:focus {
    outline: none;
    border-color: #4f46e5;
    box-shadow: 0 0 0 3px rgba(79,70,229,0.15);
  }

  button {
    padding: 10px 14px;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    font-size: 14px;
  }

  button[type="submit"] {
    width: 100%;
    background: #4f46e5;
    color: white;
    margin-top: 8px;
  }

  button[type="submit"]:hover {
    background: #4338ca;
  }

  #toggleToken,
  #copyToken {
    background: #e5e7eb;
    color: #111827;
    margin-right: 8px;
    margin-top: 12px;
  }

  #toggleToken:hover,
  #copyToken:hover {
    background: #d1d5db;
  }

  #token {
    margin-top: 12px;
    border-radius: 6px;
    font-size: 13px;
    color: #111827;
    overflow-x: auto;
  }

  #status {
    margin-top: 16px;
    font-size: 13px;
    color: #374151;
  }