body {
  font-family: sans-serif;
  background: #f9f9f9;
  margin: 0;
  padding: 20px;
}

.container {
  max-width: 500px;
  margin: 40px auto;
  background: white;
  padding: 30px;
  box-shadow: 0 0 10px rgba(0,0,0,0.05);
  border-radius: 8px;
}

h1 {
  margin-bottom: 10px;
  font-size: 24px;
  text-align: center;
}

.form-group {
  display: flex;
  gap: 10px;
  margin: 20px 0;
}

input[type="text"] {
  flex: 1;
  padding: 10px;
  font-size: 16px;
}

button {
  padding: 10px 15px;
  font-size: 16px;
  cursor: pointer;
  background-color: #333;
  color: white;
  border: none;
  border-radius: 4px;
}

.results {
  font-size: 18px;
  margin-top: 20px;
}