.cleaning-calc-container {
  max-width: 720px;
  margin: 20px auto;
  padding: 30px;
  border: 2px solid #ccc;
  border-radius: 16px;
  background: #f9f9f9;
  font-family: Arial, sans-serif;
  font-size: 1.2rem;
}

.cleaning-calc-container h2 {
  text-align: center;
  font-size: 1.8rem;
}

.cleaning-calc-container label {
  display: block;
  margin-top: 20px;
  font-weight: bold;
}

.cleaning-calc-container input[type="number"] {
  width: 100%;
  padding: 10px;
  font-size: 1.2rem;
  border: 1px solid #ccc;
  border-radius: 6px;
}

.cleaning-calc-container .note {
  font-size: 1rem;
  font-style: italic;
  color: #555;
}

.cleaning-calc-container .btn {
  margin-top: 25px;
  padding: 12px 24px;
  font-size: 1.2rem;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}

.cleaning-calc-container .calculate-btn {
  background-color: #28a745;
  color: white;
}

.cleaning-calc-container .reset-btn {
  background-color: #dc3545;
  color: white;
  margin-left: 12px;
}

.cleaning-calc-container .result {
  margin-top: 25px;
  font-weight: bold;
  font-size: 1.3rem;
}