body {
  font-family: Arial, sans-serif;
  background: #f4f7fb;
  display: flex;
  justify-content: center;
  padding: 40px;
}

.container {
  background: white;
  padding: 30px;
  width: 100%;
  max-width: 420px;
  border-radius: 10px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

h1 {
  text-align: center;
  color: #2c3e50;
}

.subtitle {
  text-align: center;
  font-size: 14px;
  margin-bottom: 20px;
  color: #666;
}

form input, form select, form textarea {
  width: 100%;
  padding: 10px;
  margin-bottom: 12px;
  border-radius: 5px;
  border: 1px solid #ccc;
}

form button {
  width: 100%;
  padding: 10px;
  background: #3498db;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}

form button:hover {
  background: #2980b9;
}

.response {
  margin-top: 20px;
  background: #e8f6ff;
  padding: 15px;
  border-radius: 5px;
}

.hidden {
  display: none;
}