:root {
            /* Professional Financial Theme Colors */
            --primary-blue: #1e40af;
            --primary-blue-light: #3b82f6;
            --primary-blue-dark: #1e3a8a;
            --secondary-gray: #64748b;
            --secondary-gray-light: #94a3b8;
            --secondary-gray-dark: #475569;
            --background-primary: #ffffff;
            --background-secondary: #f8fafc;
            --background-tertiary: #e2e8f0;
            --text-primary: #0f172a;
            --text-secondary: #64748b;
            --border-color: #e2e8f0;
            --success-green: #059669;
            --success-green-light: #10b981;
            --danger-red: #dc2626;
            --danger-red-light: #ef4444;
            --warning-orange: #d97706;
            --warning-orange-light: #f59e0b;
            --gosalci-bg: #131014;               /* Very dark grey background */
            --gosalci-text: #f6ebd9;             /* Soft cream text */
            --gosalci-candle-green: #00ff7f;     /* Bright green (candlestick fill) */
            --gosalci-candle-mid: #00d08a;       /* Gradient midpoint (soft teal) */
            --gosalci-candle-bottom: #00b48a;    /* Gradient base green */
            --gosalci-shadow: #1f1f1f;           /* UI accent (hover/shadow) */
            --app-font-scale: 1;
        }

        html {
            font-size: calc(100% * var(--app-font-scale));
            transition: font-size 0.2s ease-in-out;
        }

        @media (prefers-reduced-motion: reduce) {
            html {
                transition: none;
            }
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            background-color: var(--background-secondary);
            color: var(--text-primary);
            line-height: 1.6;
        }

        .header {
            background: linear-gradient(135deg, var(--gosalci-bg), var(--secondary-gray-dark));
            color: white;
            padding: 1.5rem 1rem;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .header-container {
            display: flex;
            justify-content: flex-start;
            align-items: center;
            gap: 1rem;
        }

        .header-logo {
            height: 100px;
            margin-right: 0.5rem;
        }

        .header .container {
            padding-left: 0;
        }

        .header h1 {
            font-size: 2rem;
            font-weight: 600;
            margin: 0;
        }

        .header p {
            margin-top: 0.5rem;
            opacity: 0.9;
            font-size: 1rem;
        }

        .market-status {
            margin-left: auto;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 0.25rem;
            font-size: 0.9rem;
        }

        .status-row {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .led-light {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background-color: var(--danger-red);
        }

        .led-green {
            background-color: var(--success-green) !important;
        }

        .led-red {
            background-color: var(--danger-red) !important;
        }

        .container {
            width: 95%;
            margin: 0 auto;
            padding: 0 1rem;
        }

        .nav-tabs {
            background: var(--background-primary);
            border-bottom: 2px solid var(--border-color);
            padding: 0 2rem;
            display: flex;
            gap: 0;
            overflow-x: auto;
            position: sticky;
            top: 0;
            z-index: 999;
        }

        .nav-tab {
            padding: 1rem 2rem;
            background: none;
            border: none;
            border-bottom: 3px solid transparent;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all 0.3s ease;
            white-space: nowrap;
        }

        .nav-tab:hover {
            color: var(--primary-blue);
            background-color: var(--background-secondary);
        }

        .nav-tab.active {
            color: var(--primary-blue);
            border-bottom-color: var(--primary-blue);
            background-color: var(--background-secondary);
        }

        .content {
            padding: 2rem;
            min-height: calc(100vh - 200px);
        }

        .tab-content {
            display: none;
            background: var(--background-primary);
            border-radius: 12px;
            padding: 2rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            border: 1px solid var(--border-color);
        }

        .tab-content.active {
            display: block;
        }

        .section-title {
            font-size: 1.5rem;
            font-weight: 600;
            margin-bottom: 1.5rem;
            color: var(--text-primary);
            border-bottom: 2px solid var(--primary-blue);
            padding-bottom: 0.5rem;
        }

        .section-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 1.5rem;
        }

        .portfolio-actions {
            position: relative;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .pension-actions {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .action-buttons {
            display: flex;
            gap: 0.5rem;
        }

        .button-row {
            display: flex;
            gap: 0.5rem;
        }

        .font-scale-options {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.5rem;
        }

        .summary-toggle {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            font-size: 1rem;
        }

        .summary-toggle input[type="checkbox"] {
            width: 24px;
            height: 24px;
            accent-color: var(--primary-blue);
        }

        .menu-toggle {
            display: none;
        }

        .price-input[readonly] {
            border: none;
            background: transparent;
            color: var(--text-primary);
        }

        .form-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 1.5rem;
            margin-bottom: 2rem;
        }

        .form-group {
            display: flex;
            flex-direction: column;
            margin-bottom: 1rem;
        }

        .form-group label {
            font-weight: 500;
            margin-bottom: 0.5rem;
            color: var(--text-primary);
        }

        .form-group input, .form-group select {
            padding: 0.75rem;
            border: 2px solid var(--border-color);
            border-radius: 8px;
            font-size: 1rem;
            transition: border-color 0.3s ease;
        }

        .form-group textarea {
            padding: 0.75rem;
            border: 2px solid var(--border-color);
            border-radius: 8px;
            font-size: 1rem;
            transition: border-color 0.3s ease;
            width: 100%;
            resize: vertical;
        }

        #base-currency-select {
            width: fit-content;
            align-self: flex-start;
        }

        #language-select {
            width: fit-content;
            align-self: flex-start;
        }

        #settings-finnhub-api-key + label {
            margin-top: 0.5rem;
        }

        .form-group input:focus, .form-group select:focus {
            outline: none;
            border-color: var(--primary-blue);
            box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
        }

        .form-group textarea:focus {
            outline: none;
            border-color: var(--primary-blue);
            box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
        }

        .form-hint {
            margin-top: 0.5rem;
            font-size: 0.9rem;
            color: var(--text-secondary);
        }

        .btn {
            padding: 0.75rem 1.5rem;
            border: none;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .btn-primary {
            background: var(--primary-blue);
            color: white;
        }

        .btn-primary:hover {
            background: var(--primary-blue-dark);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(30, 64, 175, 0.3);
        }

        .btn-secondary {
            background: var(--secondary-gray);
            color: white;
        }

        .btn-secondary:hover {
            background: var(--secondary-gray-dark);
        }

        .btn-danger {
            background: var(--danger-red);
            color: white;
        }

        .btn-danger:hover {
            background: #b91c1c;
        }

        .table-container {
            overflow-x: auto;
            margin-top: 2rem;
            border-radius: 12px;
            border: 1px solid var(--border-color);
        }

        /* Dedicated scroll container for the Stock Performance table */
        #performance-table-container {
            max-height: 60vh;
            overflow-y: auto;
            position: relative; /* ensures sticky headers work inside */
        }

        /* Dedicated scroll container for the Pension table */
        #pension-table-container {
            max-height: 60vh;
            overflow-y: auto;
            position: relative;
        }

        /* Dedicated scroll container for the Stock Finance table */
        #financials-table-container {
            max-height: 60vh;
            overflow-y: auto;
            position: relative;
        }

        #finance-zero-info {
            margin: 0.5rem 0;
            font-size: 0.9rem;
            color: var(--text-secondary);
        }

        /* Make first column sticky for finance table */
        #financials-table th:first-child {
            position: sticky;
            left: 0;
            width: 150px;
            z-index: 3;
        }

        #financials-table td:first-child {
            position: sticky;
            left: 0;
            width: 150px;
            background: var(--background-primary);
            z-index: 2;
        }


        /* Shorten label column for finance table */
        #financials-table td:first-child {
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            font-weight: 600;
        }

        /* Header style for finance table only */
        #financials-table th {
            background: var(--primary-blue-dark);
            color: #fff;
        }

        /* Negative value styling */
        #financials-table .negative-num {
            color: var(--danger-red);
        }

        /* Dedicated scroll container for the Investment Calculator table */
        #investment-growth-container {
            max-height: 40vh;
            overflow-y: auto;
            position: relative; /* ensures sticky headers work inside */
        }

        .data-table {
            width: 100%;
            border-collapse: collapse;
            background: var(--background-primary);
        }

        .data-table th, .data-table td {
            padding: 1rem;
            text-align: left;
            border-bottom: 1px solid var(--border-color);
        }

        .data-table th {
            background: var(--background-tertiary);
            font-weight: 600;
            color: var(--text-primary);
            position: sticky;
            top: 0;
            z-index: 2;
        }

        .data-table th:nth-child(1) {
            position: sticky;
            left: 0;
            z-index: 3;
        }

        .data-table td:nth-child(1) {
            position: sticky;
            left: 0;
            z-index: 1;
            background: var(--background-primary);
        }

        /* Emphasize ticker symbol in portfolio table */
        #portfolio-table td:nth-child(1) {
            font-weight: 600;
        }

        .data-table .summary-row td:nth-child(1) {
            background: var(--background-secondary);
        }

        .data-table tbody tr:hover td:nth-child(1) {
            background: var(--background-secondary);
        }

        .data-table tbody tr:hover {
            background: var(--background-secondary);
        }

        .price-input {
            width: 100%;
            display: block;
            padding: 0.5rem;
            border: 1px solid var(--border-color);
            border-radius: 6px;
            text-align: right;
        }

        .price-input {
            width: 100%;
            display: block;
            padding: 0.5rem;
            border: 1px solid var(--border-color);
            border-radius: 6px;
            text-align: right;
        }

        .growth-positive {
            color: var(--success-green);
            font-weight: 600;
            text-align: right;
        }

        .growth-negative {
            color: var(--danger-red);
            font-weight: 600;
            text-align: right;
        }

        .growth-neutral {
            color: var(--text-secondary);
            text-align: right;
        }

        .summary-row {
            background: var(--background-secondary);
            font-weight: 600;
        }

        /* Growth display inside financials table cells */
        #financials-table .fin-value {
            text-align: right;
        }
        #financials-table .fin-growth {
            font-size: 0.85rem;
            margin-top: 4px;
            text-align: right;
        }

        .summary-cards {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin-top: 1.5rem;
        }

        .summary-card {
            flex: 1 1 200px;
            background: var(--background-secondary);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 1rem;
        }

        .summary-card h4 {
            margin-bottom: 0.5rem;
            color: var(--primary-blue);
            font-size: 1rem;
        }

        .summary-card p {
            font-weight: 600;
        }

        .calculator-section {
            margin-bottom: 3rem;
            padding: 2rem;
            background: var(--background-secondary);
            border-radius: 12px;
            border: 1px solid var(--border-color);
        }

        .calculator-title {
            font-size: 1.25rem;
            font-weight: 600;
            margin-bottom: 1.5rem;
            color: var(--primary-blue);
        }

        .result-display {
            background: var(--background-primary);
            padding: 1.5rem;
            border-radius: 8px;
            border: 2px solid var(--border-color);
            margin-top: 1rem;
        }

        .result-item {
            display: flex;
            justify-content: space-between;
            margin-bottom: 0.5rem;
            padding: 0.5rem 0;
            border-bottom: 1px solid var(--border-color);
        }

        .result-item:last-child {
            border-bottom: none;
            font-weight: 600;
            font-size: 1.1rem;
            color: var(--primary-blue);
        }

        .ticker-management {
            display: flex;
            gap: 1rem;
            margin-bottom: 2rem;
            flex-wrap: wrap;
            align-items: end;
        }

        .ticker-tags {
            display: flex;
            gap: 0.5rem;
            flex-wrap: wrap;
            margin-top: 1rem;
        }

        .ticker-tag {
            background: var(--primary-blue);
            color: white;
            padding: 0.5rem 1rem;
            border-radius: 20px;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.9rem;
            font-weight: 500;
        }

        .ticker-tag .remove-btn {
            background: rgba(255, 255, 255, 0.3);
            border: none;
            color: white;
            border-radius: 50%;
            width: 20px;
            height: 20px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
        }

        .ticker-tag .remove-btn:hover {
            background: rgba(255, 255, 255, 0.5);
        }

        .chart-btn {
            background: var(--primary-blue);
            border: none;
            color: white;
            border-radius: 50%;
            width: 20px;
            height: 20px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
        }

        .chart-btn:hover {
            background: var(--primary-blue-dark);
        }

        .placeholder-content {
            text-align: center;
            padding: 4rem 2rem;
            color: var(--text-secondary);
        }

        .placeholder-content h3 {
            font-size: 1.5rem;
            margin-bottom: 1rem;
            color: var(--text-primary);
        }

        .placeholder-content p {
            font-size: 1.1rem;
            max-width: 600px;
            margin: 0 auto;
        }

        /* Sub-Tab Navigation Styles */
        .sub-nav-tabs {
            display: flex;
            gap: 0;
            margin-bottom: 2rem;
            border-bottom: 2px solid var(--border-color);
            background: var(--background-secondary);
            border-radius: 8px 8px 0 0;
            overflow-x: auto;
        }

        .sub-nav-tab {
            padding: 1rem 1.5rem;
            background: none;
            border: none;
            border-bottom: 3px solid transparent;
            cursor: pointer;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all 0.3s ease;
            white-space: nowrap;
            min-width: fit-content;
        }

        .sub-nav-tab:hover {
            color: var(--primary-blue);
            background-color: var(--background-primary);
        }

        .sub-nav-tab.active {
            color: var(--primary-blue);
            border-bottom-color: var(--primary-blue);
            background-color: var(--background-primary);
            font-weight: 600;
        }

        .sub-tab-content {
            display: none;
        }

        .sub-tab-content.active {
            display: block;
        }

        /* Fair Value Calculator Styles */
        .fair-value-sections {
            margin-top: 1rem;
        }

        .fair-value-nav {
            display: flex;
            gap: 0.5rem;
            margin-bottom: 2rem;
            flex-wrap: wrap;
        }

        .fair-value-btn {
            padding: 0.75rem 1.25rem;
            background: var(--background-tertiary);
            border: 2px solid var(--border-color);
            border-radius: 8px;
            cursor: pointer;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all 0.3s ease;
        }

        .fair-value-btn:hover {
            color: var(--primary-blue);
            border-color: var(--primary-blue);
        }

        .fair-value-btn.active {
            background: var(--primary-blue);
            color: white;
            border-color: var(--primary-blue);
        }

        .fair-value-section {
            display: none;
        }

        .fair-value-section.active {
            display: block;
        }

        .section-subtitle {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 1.5rem;
            color: var(--text-primary);
            padding-bottom: 0.5rem;
            border-bottom: 1px solid var(--border-color);
        }

        /* Extra spacing when a section subtitle follows a form group */
        .form-group + .section-subtitle {
            margin-top: 1.5rem;
        }

        /* Enhanced Calculator Section */
        .calculator-section {
            margin-bottom: 0;
            padding: 2rem;
            background: var(--background-primary);
            border-radius: 12px;
            border: 1px solid var(--border-color);
        }

        /* Result Display Enhancements */
        .result-display .result-item:last-child {
            background: var(--background-secondary);
            padding: 1rem;
            border-radius: 8px;
            margin-top: 0.5rem;
        }

        @media (max-width: 768px) {
            .header {
                padding: 1rem;
            }
            
            .nav-tabs {
                padding: 0 1rem;
            }
            
            .content {
                padding: 1rem;
            }
            
            .tab-content {
                padding: 1rem;
            }
            
            .form-grid {
                grid-template-columns: 1fr;
            }
            
            .ticker-management {
                flex-direction: column;
                align-items: stretch;
            }

            .sub-nav-tabs {
                flex-direction: column;
            }

            .sub-nav-tab {
                text-align: left;
                border-bottom: 1px solid var(--border-color);
                border-radius: 0;
            }

            .fair-value-nav {
                flex-direction: column;
        }
        
        .calculator-section {
            padding: 1rem;
        }
        
        .btn-link {
            background: none;
            border: none;
            color: var(--primary-blue);
            cursor: pointer;
            text-decoration: underline;
            padding: 0.25rem 0.5rem;
            font-size: 1rem;
        }

        .action-buttons {
            display: none;
            position: absolute;
            top: 100%;
            right: 0;
            background: var(--background-primary);
            flex-direction: column;
            padding: 0.5rem;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            box-shadow: 0 4px 8px rgba(0,0,0,0.1);
            width: max-content;
            z-index: 100;
        }

        .action-buttons.open {
            display: flex;
        }

        .menu-toggle {
            display: inline-flex;
        }

        }

        /* Modal for charts */
        .modal {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.5);
            display: none;
            align-items: center;
            justify-content: center;
            z-index: 1000;
        }

        .modal-content {
            background: var(--background-primary);
            padding: 1rem;
            border-radius: 8px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.2);
            position: relative;
            width: 900px;
            max-height: 90vh;
            overflow-y: auto;
        }

        .modal-content canvas {
            display: block;
            max-width: 100%;
            height: auto;
        }

        #dialog-modal .modal-content {
            width: 400px;
            height: auto;
        }

        #export-pensions-modal .modal-content,
        #import-pensions-modal .modal-content {
            width: 500px;
            height: auto;
        }

        #pension-chart-popup .modal-content,
        #stock-chart-popup .modal-content {
            height: 650px;
        }

        .modal-close {
            position: absolute;
            top: 8px;
            right: 12px;
            cursor: pointer;
            font-size: 1.25rem;
            line-height: 1;
        }

        #chart-title {
            text-align: center;
            margin: 0.5rem 0;
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--primary-blue);
        }

        .chart-control-panel {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin-bottom: 0.5rem;
        }

        .chart-control-panel .chart-type label,
        .chart-control-panel .ticker-select label {
            margin-right: 0.75rem;
        }

        .modal-actions {
            display: flex;
            justify-content: flex-end;
            gap: 0.5rem;
            margin-top: 1rem;
        }

        #dialog-message {
            margin-bottom: 1rem;
        }

        #dialog-input {
            width: 100%;
        }

        .number-cell {
            text-align: right;
            white-space: nowrap;
        }

        .actions-cell {
            white-space: nowrap;
        }

        tr.dragging {
            opacity: 0.5;
        }


        .icon-btn {
            border: none;
            border-radius: 50%;
            width: 24px;
            height: 24px;
            padding: 0;
            line-height: 1;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: white;
        }

        .icon-btn:hover {
            transform: translateY(-1px);
        }

        .edit-btn,
        .delete-btn {
            background: var(--primary-blue);
        }

        .edit-btn:hover,
        .delete-btn:hover {
            background: var(--primary-blue-dark);
        }

        .charts-container {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            margin-top: 2rem;
        }

        .chart-box {
            flex: 1 1 300px;
            background: var(--background-secondary);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 1rem;
        }

        .chart-box h3 {
            text-align: center;
            margin-bottom: 1rem;
            color: var(--primary-blue);
            font-size: 1rem;
        }

        /* Add spacing for subheadings in chart boxes */
        .chart-box h4 {
            margin-top: 1rem;
        }

        .chart-box canvas {
            width: 100%;
            height: 300px;
        }

        /* Tooltip styling for finance tables */
        .tooltip {
            position: absolute;
            display: none;
            background: var(--primary-blue-dark);
            color: #fff;
            padding: 0.25rem 0.5rem;
            border-radius: 4px;
            font-size: 0.75rem;
            pointer-events: none;
            z-index: 10000;
            white-space: nowrap;
}

        /* Hide portfolio menu toggle on large screens */
        .icon-btn.menu-toggle {
            display: none;
            border: 1px solid var(--primary-blue-dark);
            background: var(--primary-blue-dark);
            color: white;
        }

        @media (max-width: 768px) {
            .icon-btn.menu-toggle {
                display: inline-flex;
                border: 1px solid var(--primary-blue-dark);
                background: var(--primary-blue-dark);
                color: white;
            }
            .summary-toggle {
                font-size: 0.9rem;
            }
            .summary-toggle input[type="checkbox"] {
                width: 20px;
                height: 20px;
                accent-color: var(--primary-blue);
            }
        }