body {
  font-family: Arial, sans-serif;
  background: #f4f4f4;
  margin: 0;
  padding: 0;
}

.container {
  max-width: 500px;
  margin: 60px auto;
  padding: 30px;
  background-color: white;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
  border-radius: 8px;
}

h1 {
  text-align: center;
  color: #4a148c;
}

label {
  display: block;
  margin-top: 15px;
  font-weight: bold;
}

input {
  width: 100%;
  padding: 10px;
  margin-top: 5px;
  box-sizing: border-box;
  border-radius: 4px;
  border: 1px solid #ccc;
}

button {
  margin-top: 20px;
  width: 100%;
  padding: 12px;
  background-color: #6a1b9a;
  color: white;
  font-size: 16px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}

button:hover {
  background-color: #4a148c;
}

#result {
  margin-top: 20px;
  font-size: 18px;
  color: green;
  text-align: center;
}