.calculator-container {
  max-width: 700px;
  margin: 40px auto;
  font-family: 'Open Sans', sans-serif;
  padding: 20px;
  background-color: #f9f9f9;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}
.calculator-container label {
  display: block;
  margin: 15px 0 5px;
  font-weight: 600;
}
.calculator-container input,
.calculator-container select {
  width: 100%;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid #ccc;
}
.calculator-container input[readonly] {
  background-color: #eee;
}
.submit-btn {
  margin-top: 20px;
  width: 100%;
  padding: 12px;
  background-color: #28a745;
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  cursor: pointer;
}
.reset-btn {
  margin-top: 10px;
  width: 100%;
  padding: 12px;
  background-color: #007bff;
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  cursor: pointer;
}
.disclaimer {
  font-size: 0.85em;
  color: #666;
  margin-top: 20px;
}