#ttg-calculator {
  max-width: 600px;
  margin: auto;
  padding: 20px;
  background: #fff;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
  border-radius: 8px;
  font-family: Arial, sans-serif;
}
#ttg-calculator label {
  display: block;
  margin-top: 15px;
  font-weight: bold;
}
#ttg-calculator input {
  width: 100%;
  padding: 10px;
  margin-top: 5px;
  box-sizing: border-box;
  border: 1px solid #ccc;
  border-radius: 4px;
}
.ttg-summary-bar {
  margin-top: 20px;
  padding: 15px;
  background-color: #e8f5e9;
  border-left: 5px solid #28a745;
  font-size: 18px;
  font-weight: bold;
  text-align: center;
  border-radius: 6px;
  color: #2e7d32;
}
.ttg-results {
  margin-top: 30px;
  background: #f9f9f9;
  padding: 15px;
  border-radius: 6px;
  font-size: 16px;
}