body {
  font-family: Arial, sans-serif;
  margin: 40px;
  background-color: #f3f8fc;
  color: #333;
}

h1 {
  color: #003366;
  text-align: center;
}

h2 {
  margin-top: 30px;
  color: #003366;
}

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

input[type="range"] {
  width: 100%;
  margin: 5px 0 10px;
}

.calculator {
  background: white;
  border-radius: 10px;
  padding: 20px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
  max-width: 600px;
  margin: 20px auto;
}

.summary-box {
  margin: 25px auto;
  padding: 15px;
  border-radius: 10px;
  background-color: #f7f9fc;
  border: 1px solid #d1d8e0;
  text-align: center;
  box-shadow: 0 0 5px rgba(0,0,0,0.1);
  max-width: 600px;
}

.summary-box h3 {
  margin-bottom: 10px;
  color: #003366;
}

.summary-box p {
  font-size: 1.1em;
  font-weight: 500;
  color: #333;
}
.chart-section {
  max-width: 600px;
  margin: 30px auto;
  padding: 20px;
  background: #ffffff;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
  text-align: center;
}

.chart-section h3 {
  color: #003366;
  margin-bottom: 10px;
}