/* Mortgage Calculator Styles */
.input-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.input-group input {
    flex: 1;
    min-width: 100px;
}

.input-group span {
    color: var(--gray);
    font-size: 0.875rem;
}

/* Amortization Chart */
.amortization-chart {
    margin-top: 1rem;
}

.chart-bar {
    display: flex;
    height: 40px;
    border-radius: var(--radius);
    overflow: hidden;
    margin: 1rem 0;
}

.chart-segment {
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 0.875rem;
    transition: width 0.5s ease;
}

.chart-segment.principal {
    background-color: var(--accent);
}

.chart-segment.interest {
    background-color: var(--primary);
}

.chart-legend {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 0.5rem;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
}

.legend-color {
    width: 15px;
    height: 15px;
    border-radius: 3px;
}

.legend-color.principal {
    background-color: var(--accent);
}

.legend-color.interest {
    background-color: var(--primary);
}

/* Extra Payments Section */
.extra-payments {
    margin-top: 2rem;
    padding: 1.5rem;
    background-color: #f8fafc;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.extra-payments h3 {
    color: var(--primary);
    margin-bottom: 0.5rem;
}

/* Loan term options */
.radio-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 0.5rem;
}

.radio-option {
    padding: 0.75rem;
    background: var(--light-gray);
    border-radius: var(--radius);
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
}

.radio-option:hover {
    background: #e0e7ff;
}

.radio-option input[type="radio"]:checked ~ span {
    font-weight: 700;
    color: var(--primary);
}

/* Responsive */
@media (max-width: 768px) {
    .input-group {
        flex-direction: column;
        align-items: stretch;
    }
    
    .radio-group {
        grid-template-columns: 1fr;
    }
    
    .chart-legend {
        flex-direction: column;
        gap: 0.5rem;
    }
}