body {
  font-family: Arial, sans-serif;
  background: #f4f4f4;
}

.container {
  width: 600px;
  margin: 60px auto;
  background: #fff;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

h2 {
  text-align: center;
  margin-bottom: 20px;
  color: #333;
}

input {
  padding: 8px;
  width: 90%;
  margin-bottom: 15px;
  border: 1px solid #ccc;
  border-radius: 6px;
}

.buttons {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin-bottom: 15px;
}

button {
  padding: 10px 15px;
  background: #0099ff;
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}

button:hover {
  background: #007acc;
}

#results {
  margin-top: 15px;
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 8px;
  background: #fafafa;
  white-space: pre-line;
}