#leasing-calculator {
  max-width: 400px;
  margin: 30px auto;
  padding: 20px;
  background: #f9fafc;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
  font-family: "Segoe UI", sans-serif;
}

#leasing-calculator label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
  color: #333;
}

#leasing-calculator input,
#leasing-calculator select {
  width: 100%;
  padding: 10px;
  margin-bottom: 15px;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-size: 14px;
  background: #fff;
  transition: border-color 0.2s ease;
}

#leasing-calculator input:focus,
#leasing-calculator select:focus {
  border-color: #3b82f6;
  outline: none;
}

#leasing-calculator button {
  width: 100%;
  background: #3b82f6;
  color: #fff;
  border: none;
  padding: 12px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.3s ease;
}

#leasing-calculator button:hover {
  background: #2563eb;
}

#result {
  margin-top: 20px;
  padding: 15px;
  background: #ffffff;
  border-left: 5px solid #3b82f6;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
  animation: fadeIn 0.5s ease-in-out;
}

#result h3 {
  margin-top: 0;
  color: #111827;
  font-size: 18px;
  border-bottom: 1px solid #eee;
  padding-bottom: 8px;
  margin-bottom: 10px;
}

#result strong {
  display: block;
  margin-top: 10px;
  font-size: 20px;
  color: #10b981;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}