body {
  font-family: 'Georgia', serif;
  background: #f9f6f2;
  margin: 0;
  padding: 0;
}

header {
  text-align: center;
  padding: 20px;
}

nav a {
  margin: 0 10px;
  text-decoration: none;
  color: #333;
}

#letter-form {
  width: 60%;
  margin: 20px auto;
  background: #fff;
  padding: 20px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
  border-radius: 8px;
}

#letter-form input, #letter-form textarea {
  width: 100%;
  margin: 10px 0;
  padding: 10px;
  font-size: 16px;
}

#letter-form button {
  background: black;
  color: white;
  padding: 10px 20px;
  border: none;
  cursor: pointer;
}

#letter-form button:hover {
  background: #444;
}

#status {
  margin-top: 10px;
  font-weight: bold;
}

#preview-section {
  width: 60%;
  margin: 20px auto;
  padding: 20px;
  background: #fff;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
  border-radius: 8px;
}

#preview {
  min-height: 150px;
  font-style: italic;
  white-space: pre-wrap;
}