body {
  font-family: Arial, sans-serif;
  background-color: #f4f4f9;
  color: #333;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.container {
  background-color: #fff;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  max-width: 400px;
  width: 100%;
}

header {
  text-align: center;
  margin-bottom: 20px;
}

header h1 {
  font-size: 24px;
  margin: 0;
  color: #4a90e2;
}

header p {
  font-size: 14px;
  color: #777;
  margin: 5px 0 0;
}

.wallet-section {
  text-align: center;
}

.wallet-section h2 {
  font-size: 20px;
  margin: 10px 0;
}

.wallet-section h3 {
  font-size: 18px;
  margin: 10px 0;
  color: #4a90e2;
}

textarea {
  width: 95%;
  height: 100px;
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 5px;
  font-size: 14px;
  margin: 10px 0;
  resize: none;
}

hr {
  border: 0;
  height: 1px;
  background: #ddd;
  margin: 20px 0;
}

.warning {
  font-size: 12px;
  color: #ff6b6b;
  margin: 10px 0;
}

button {
  background-color: #4a90e2;
  color: #fff;
  border: none;
  padding: 10px 20px;
  border-radius: 5px;
  font-size: 16px;
  cursor: pointer;
  margin-top: 10px;
}

button:hover {
  background-color: #357abd;
}