body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  margin: 0;
  padding: 0;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: #333;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

.section {
  display: none;
  background: white;
  padding: 40px;
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  max-width: 400px;
  width: 100%;
  text-align: center;
}

.section.active {
  display: block;
}

h2 {
  color: #667eea;
  margin-bottom: 10px;
}

p {
  color: #666;
  margin-bottom: 20px;
}

input {
  width: 100%;
  padding: 12px;
  margin: 10px 0;
  border: 1px solid #ddd;
  border-radius: 5px;
  box-sizing: border-box;
  font-size: 16px;
}

button {
  width: 100%;
  padding: 12px;
  margin: 10px 0;
  border: none;
  border-radius: 5px;
  background: #667eea;
  color: white;
  font-size: 16px;
  cursor: pointer;
  transition: background 0.3s;
}

button:hover {
  background: #5a6fd8;
}

button:nth-child(3) {
  background: #db4437;
}

button:nth-child(3):hover {
  background: #c23321;
}

hr {
  border: none;
  border-top: 1px solid #eee;
  margin: 20px 0;
}

#my-token {
  background: #f5f5f5;
  padding: 10px;
  border-radius: 5px;
  word-break: break-all;
  font-family: monospace;
}