#ltdc-calculator {
  font-family: 'Segoe UI', sans-serif;
  max-width: 600px;
  margin: 2em auto;
  background: #f9f9f9;
  padding: 2em;
  border: 2px solid #03965E;
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  color: #4D4E51;
}

#ltdc-calculator h2 {
  color: #03965E;
  font-size: 1.8em;
  margin-bottom: 0.5em;
}

#ltdc-calculator input[type="date"] {
  padding: 0.5em;
  font-size: 1em;
  border: 2px solid #83329B;
  border-radius: 8px;
  width: 100%;
  margin-bottom: 1em;
}

#ltdc-calculator button {
  background-color: #83329B;
  color: white;
  padding: 0.6em 1.2em;
  border: none;
  border-radius: 8px;
  font-size: 1em;
  cursor: pointer;
  margin-top: 1em;
  transition: background-color 0.3s ease;
}

#ltdc-calculator button:hover {
  background-color: #03965E;
}

#ltdc-results {
  margin-top: 1.5em;
  background: white;
  padding: 1em;
  border-radius: 12px;
  border-left: 6px solid #03965E;
}

#ltdc-results p {
  font-size: 1.1em;
  line-height: 1.5em;
}

#ltdc-results strong {
  color: #83329B;
}