body {
  margin: 0;
  padding: 0;
  height: 100vh;
  font-family: Arial, sans-serif;
  background-color: #f2f2f2;
  display: flex;
  justify-content: center;
  align-items: center;
}

.container {
  width: 350px;
  padding: 20px;
  background-color: white;
  border-radius: 10px;
  text-align: center;
  border: 1px solid #ccc;
}

h1 {
  font-size: 1.5rem;
  color: #333;
  margin-bottom: 15px;
}

label {
  display: block;
  margin: 10px 0 5px;
  color: #444;
  text-align: left;
  font-size: 0.95rem;
}

input {
  width: 100%;
  padding: 8px;
  border: 1px solid #aaa;
  border-radius: 5px;
  font-size: 1rem;
}

input:focus {
  outline: none;
  border-color: #4a90e2;
}

button {
  margin-top: 15px;
  padding: 10px;
  width: 100%;
  border: none;
  border-radius: 5px;
  background-color: #4a90e2;
  color: #fff;
  font-size: 1rem;
  cursor: pointer;
}

button:hover {
  background-color: #357ab8;
}

#result {
  margin-top: 15px;
  padding: 10px;
  background-color: #e8f3ff;
  border-radius: 5px;
  color: #333;
  font-size: 0.95rem;
}