body {
  font-family: Arial, sans-serif;
  background-color: #f4f4f4;
  text-align: center;
  padding: 40px;
}

.container {
  background: white;
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
  max-width: 500px;
  margin: auto;
}

input, button {
  margin: 10px;
  padding: 10px;
  font-size: 16px;
}

#loader {
  margin-top: 10px;
  font-weight: bold;
  color: #4caf50;
}

.results-box {
  background: #e8f5e9;
  border-left: 5px solid #4caf50;
  padding: 15px;
  margin-top: 20px;
  text-align: left;
  border-radius: 5px;
  font-family: Arial, sans-serif;
}