:root {
            --primary-color: #2c7da0;
            --secondary-color: #a9d6e5;
            --accent-color: #01497c;
            --financial-color: #198754;
            --interest-color: #dc3545;
            --principal-color: #0d6efd;
            --light-gray: #f8f9fa;
            --border-color: #eaeaea;
            --text-color: #333;
            --text-muted: #6c757d;
            --success-color: #28a745;
            --warning-color: #ffc107;
        }.loan-examples {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 1rem 0;
}
       .page-header {
            background: linear-gradient(135deg, rgba(169, 214, 229, 0.4) 0%, rgba(44, 125, 160, 0.4) 100%);
            padding: 1.5rem 0;
            margin-bottom: 2rem;
            border-bottom: 1px solid rgba(44, 125, 160, 0.2);
            position: relative;
            overflow: hidden;color: var(--text-color);
        }
        .breadcrumb {
            background-color: transparent;
            padding: 0.5rem 0;
            margin-bottom: 0.5rem;
        }
        .breadcrumb-item a {
            color: var(--text-muted);
            text-decoration: none;
        }
        .breadcrumb-item.active {
            color: var(--text-color);
        }
        .form-control:focus {
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(44, 125, 160, 0.15);
        }
        .summary-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin-bottom: 2rem;
        }
        .summary-card.highlight {
            border-left: 5px solid var(--financial-color);
            background-color: rgba(25, 135, 84, 0.05);
        }
        .summary-card.warning {
            border-left: 5px solid var(--warning-color);
            background-color: rgba(255, 193, 7, 0.05);
        }
        .table-responsive {
            margin-top: 1.5rem;
            border-radius: 6px;
            border: 1px solid var(--border-color);
            overflow: hidden;
        }
        .amortization-table {
            margin-bottom: 0;
        }
        .amortization-table th {
            background-color: var(--light-gray);
            font-weight: 600;
            border-bottom: 2px solid var(--border-color);
            position: sticky;
            top: 0;
        }
        .amortization-table td, .amortization-table th {
            padding: 0.75rem;
            text-align: right;
        }
        .amortization-table td:first-child, .amortization-table th:first-child {
            text-align: left;
        }
        .amortization-table tr:hover {
            background-color: rgba(44, 125, 160, 0.05);
        }
        .payment-breakdown {
            display: flex;
            height: 8px;
            border-radius: 4px;
            overflow: hidden;
            margin: 5px 0;
        }
        .principal-portion {
            background-color: var(--principal-color);
        }
        .interest-portion {
            background-color: var(--interest-color);
        }
        .financial-box {
            background-color: rgba(25, 135, 84, 0.05);
            border-left: 3px solid var(--financial-color);
            padding: 1rem;
            border-radius: 0 4px 4px 0;
            margin: 1.5rem 0;
        }
        @media (max-width: 768px) {
            .summary-container {
                grid-template-columns: 1fr;
            }
        }
        .nav-tabs {
            border-bottom: 1px solid var(--border-color);
        }
        .nav-tabs .nav-tabs .loan-examples {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .example-btn {
            background-color: rgba(44, 125, 160, 0.1);
            border: 1px solid rgba(44, 125, 160, 0.2);
            border-radius: 4px;
            padding: 0.5rem 0.75rem;
            font-size: 0.9rem;
            color: var(--primary-color);
            cursor: pointer;
            transition: all 0.2s;
        }
        .example-btn:hover {
            background-color: rgba(44, 125, 160, 0.2);
            transform: translateY(-2px);
        }
        .download-options {
            display: flex;
            gap: 0.5rem;
            margin-top: 1.5rem;
        }
        .download-btn {
            background-color: white;
            border: 1px solid var(--border-color);
            border-radius: 6px;
            padding: 0.5rem 1rem;
            transition: all 0.3s;
            color: var(--text-color);
            display: flex;
            align-items: center;
        }
        .download-btn:hover {
            background-color: var(--light-gray);
            color: var(--primary-color);
        }
        .year-summary {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 1rem;
            margin-top: 1.5rem;
        }
        .year-card {
            background-color: white;
            border: 1px solid var(--border-color);
            border-radius: 6px;
            padding: 1rem;
        }
        .year-title {
            font-weight: 600;
            color: var(--primary-color);
            margin-bottom: 0.5rem;
        }
        .progress-container {
            margin: 1rem 0;
        }
        .progress-label {
            display: flex;
            justify-content: space-between;
            margin-bottom: 0.25rem;
        }
        .progress {
            height: 8px;
            border-radius: 4px;
            background-color: #e9ecef;
        }
        .extra-payment-panel {
            background-color: rgba(25, 135, 84, 0.05);
            border: 1px solid rgba(25, 135, 84, 0.2);
            border-radius: 6px;
            padding: 1.5rem;
            margin-top: 1.5rem;
        }
        .toggle-container {
            display: flex;
            align-items: center;
            margin-bottom: 1rem;
        }
        .toggle-switch {
            margin-right: 0.75rem;
        }
        .toggle-label {
            font-weight: 600;
            color: var(--financial-color);
        }
        .chart-legend {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 1.5rem;
            margin-top: 1rem;
        }
        .legend-item {
            display: flex;
            align-items: center;
        }
        .legend-color {
            width: 16px;
            height: 16px;
            border-radius: 3px;
            margin-right: 0.5rem;
        }
        .principal-color {
            background-color: var(--principal-color);
        }
        .interest-color {
            background-color: var(--interest-color);
        }
        .payment-frequency {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin-top: 0.5rem;
        }
        .frequency-option {
            padding: 0.5rem 1rem;
            border: 1px solid var(--border-color);
            border-radius: 4px;
            cursor: pointer;
            transition: all 0.2s;
        }
        .frequency-option.active {
            background-color: var(--primary-color);
            color: white;
            border-color: var(--primary-color);
        }
        .frequency-option:hover:not(.active) {
            background-color: var(--light-gray);
        }
        .is-invalid {
            border-color: var(--interest-color) !important;
        }
        .invalid-feedback {
            color: var(--interest-color);
            font-size: 0.875rem;
            margin-top: 0.25rem;
        }
        .table-pagination {
            display: flex;
            justify-content: center;
            align-items: center;
            margin-top: 1rem;
            gap: 0.5rem;
        }
        .page-btn {
            padding: 0.25rem 0.75rem;
            border: 1px solid var(--border-color);
            border-radius: 4px;
            background-color: white;
            cursor: pointer;
        }
        .page-btn.active {
            background-color: var(--primary-color);
            color: white;
            border-color: var(--primary-color);
        }
        .page-btn:hover:not(.active) {
            background-color: var(--light-gray);
        }
        .loading-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(255, 255, 255, 0.8);
            display: none;
            justify-content: center;
            align-items: center;
            z-index: 9999;
        }
        .spinner {
            width: 50px;
            height: 50px;
            border: 5px solid var(--light-gray);
            border-top-color: var(--primary-color);
            border-radius: 50%;
            animation: spin 1s linear infinite;
        }
        @keyframes spin {
            to { transform: rotate(360deg); }
        }