body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(to right, #f0f2f5, #d9e4f5);
  padding: 40px;
  margin: 0;
}

h1 {
  text-align: center;
  color: #2c3e50;
  margin-bottom: 40px;
}

.container {
  max-width: 500px;
  margin: auto;
  background: white;
  padding: 30px 40px;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

label {
  display: block;
  margin-top: 20px;
  margin-bottom: 5px;
  font-weight: 600;
  color: #34495e;
}

select,
input[type="number"] {
  width: 100%;
  padding: 10px;
  border: 1px solid #bdc3c7;
  border-radius: 6px;
  font-size: 16px;
  box-sizing: border-box;
}

.info {
  margin-top: 25px;
  font-size: 18px;
  background-color: #ecf0f1;
  padding: 15px;
  border-radius: 6px;
  color: #2c3e50;
}