#rd-calculator {
  max-width: 900px;
  margin: auto;
  padding: 30px;
  background: #fff;
  border-radius: 20px;
  box-shadow: 0 0 20px rgba(0,0,0,0.1);
  font-family: 'Arial', sans-serif;
}

.rd-calculator-inputs label {
  font-weight: bold;
  margin-top: 15px;
  display: block;
}

.rd-calculator-inputs input[type="number"],
.rd-calculator-inputs input[type="range"],
.rd-calculator-inputs input[type="date"],
.rd-calculator-inputs button {
  width: 100%;
  padding: 12px;
  margin: 8px 0 20px 0;
  border: 1px solid #ccc;
  border-radius: 50px;
  box-sizing: border-box;
}

.rd-calculator-inputs button {
  background: #007BFF;
  color: #fff;
  font-size: 18px;
  border: none;
  cursor: pointer;
}

.rd-calculator-inputs button:hover {
  background: #0056b3;
}

.rd-calculator-results, .rd-calculator-charts {
  text-align: center;
  margin-top: 30px;
}

.rd-calculator-charts .rd-charts {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
}

#rdChart, #rdPieChart, #rdLineChart {
  max-width: 300px;
  height: 300px;
}

@media(max-width:768px){
  .rd-calculator-charts .rd-charts {
    flex-direction: column;
  }
}