.loan-calculator {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  margin: 30px 0;
  background-color: #f8fafc;
  padding: 25px;
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.calculator-inputs {
  flex: 1;
  min-width: 300px;
}

.calculator-results {
  flex: 1;
  min-width: 300px;
}

.input-group {
  margin-bottom: 20px;
}

.input-row {
  display: flex;
  gap: 20px;
}

.input-row .input-group {
  flex: 1;
}

.loan-calculator label {
  display: block;
  margin-bottom: 8px;
  font-size: 14px;
  color: #555;
  font-weight: 500;
}

.loan-calculator input[type="number"] {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-size: 16px;
  transition: border-color 0.2s;
}

.loan-calculator input[type="number"]:focus {
  border-color: #3b82f6;
  outline: none;
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.chart-container {
  height: 250px;
  margin-top: 20px;
  border-radius: 8px;
  overflow: hidden;
  background-color: #fff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.result-summary {
  background-color: #fff;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  text-align: center;
}

.result-summary p {
  margin: 0 0 10px;
  font-size: 16px;
  color: #555;
}

.result-amount {
  margin-bottom: 15px;
}

.amount {
  font-size: 28px;
  font-weight: 700;
}

.currency {
  font-size: 16px;
  margin-left: 5px;
}

.toggle-details {
  background: none;
  border: none;
  color: #3b82f6;
  cursor: pointer;
  font-size: 14px;
  text-decoration: underline;
  padding: 0;
}

.toggle-details:hover {
  color: #2563eb;
}

.calculation-details {
  display: none;
  background-color: #fff;
  margin-top: 15px;
  padding: 15px;
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.calculation-details.show {
  display: block;
}

.detail-item {
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
  font-size: 14px;
}

.detail-item:last-child {
  margin-bottom: 0;
  padding-top: 10px;
  border-top: 1px solid #eee;
  font-weight: 600;
}

.detail-label {
  color: #555;
}

.detail-value {
  font-weight: 500;
}

.positive .detail-value {
  color: #10b981;
}

.negative .detail-value {
  color: #ef4444;
}

/* Responsive styles */
@media (max-width: 768px) {
  .loan-calculator {
    padding: 20px;
  }
  
  .input-row {
    flex-direction: column;
    gap: 15px;
  }
  
  .amount {
    font-size: 24px;
  }
}

/* Cập nhật cho biểu đồ */
.chart-container {
  height: 250px;
  margin-bottom: 20px; /* Thêm margin-bottom thay vì margin-top */
  border-radius: 8px;
  overflow: hidden;
  background-color: #fff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

/* Thêm khoảng cách giữa biểu đồ và kết quả */
.result-summary {
  margin-top: 10px;
  background-color: #fff;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  text-align: center;
}