* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, sans-serif;
}

body {
  background-color: #f4f4f9;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 20px;
}

.container {
  background: #fff;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  max-width: 800px;
  width: 100%;
}

h1 {
  text-align: center;
  margin-bottom: 20px;
  color: #333;
}

.calculator {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.loan-type {
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
}

.loan-type button {
  flex: 1;
  padding: 10px;
  border: none;
  background: #e0e0e0;
  color: #333;
  cursor: pointer;
  border-radius: 5px;
  transition: background 0.3s ease;
}

.loan-type button.active {
  background: #007bff;
  color: #fff;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.input-group label {
  font-weight: bold;
  color: #555;
}

.input-group input {
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 5px;
  font-size: 16px;
}

#calculate-btn {
  padding: 10px;
  background: #007bff;
  color: #fff;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-size: 16px;
  transition: background 0.3s ease;
}

#calculate-btn:hover {
  background: #0056b3;
}

.result {
  margin-top: 20px;
  text-align: center;
}

.result h2 {
  color: #333;
  margin-bottom: 10px;
}

.result p {
  color: #555;
  margin: 5px 0;
}

#paymentChart {
  margin-top: 20px;
  max-width: 300px;
  margin-left: auto;
  margin-right: auto;
}

#yearly-details {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
}

#yearly-details th,
#yearly-details td {
  padding: 10px;
  border: 1px solid #ddd;
  text-align: center;
}

#yearly-details th {
  background-color: #007bff;
  color: #fff;
}

#yearly-details tr:nth-child(even) {
  background-color: #f9f9f9;
}

#yearly-details tr:hover {
  background-color: #f1f1f1;
}