.retirement-calculator-container {
    font-family: Arial, sans-serif;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    box-sizing: border-box;
}

.loan-calculator {
    background: #fff;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    overflow: hidden;
}

.loan-calculator .top {
    padding: 32px;
    background: #f9f9f9;
}

.loan-calculator h1 {
    margin-top: 0;
    color: #2c3e50;
}

.loan-calculator form {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.loan-calculator .group {
    flex: 1 1 calc(50% - 20px);
    min-width: 250px;
}

.loan-calculator .title {
    margin-bottom: 8px;
    font-weight: 600;
    color: #555;
}

.loan-calculator input {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
    box-sizing: border-box;
}

.loan-calculator input:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 5px rgba(52, 152, 219, 0.3);
}

.calculate-btn-container {
    width: 100%;
    padding: 20px 0;
    text-align: center;
}

.calculate-btn {
    background: #3498db;
    color: white;
    border: none;
    padding: 12px 24px;
    font-size: 16px;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.3s;
}

.calculate-btn:hover {
    background: #2980b9;
}

.result {
    padding: 32px;
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
}

.result .left {
    flex: 1;
    min-width: 300px;
}

.loan-emi {
    margin-bottom: 30px;
}

.loan-emi h3 {
    margin-top: 0;
    color: #2c3e50;
    font-size: 18px;
}

.loan-emi .value {
    font-size: 24px;
    font-weight: 700;
    color: #3498db;
}

.error-messages {
    width: 100%;
}

.error-message {
    color: #e30000;
    background-color: beige;
    padding: 10px;
    margin-bottom: 10px;
    border-radius: 4px;
    display: none;
}

.calculator-documentation {
    padding: 32px;
    background: #f9f9f9;
    border-top: 1px solid #eee;
}

.calculator-documentation h2 {
    color: #2c3e50;
}

@media (max-width: 768px) {
    .loan-calculator .group {
        flex: 1 1 100%;
    }
    
    .result {
        flex-direction: column;
    }
}