body {
  font-family: Arial, sans-serif;
  margin: 40px;
  background: #f9fafb;
  color: #222;
}

form {
  display: grid;
  gap: 10px;
  max-width: 400px;
}

label {
  display: flex;
  flex-direction: column;
}

button {
  background: #4CAF50;
  color: white;
  padding: 8px 14px;
  border: none;
  cursor: pointer;
  border-radius: 6px;
}

#results {
  margin-top: 20px;
  background: white;
  padding: 20px;
  border-radius: 6px;
  box-shadow: 0 0 4px rgba(0,0,0,0.1);
}