:root {
            --font-lato: 'Lato', sans-serif;
            --brand-color: #B9F040;
            --bg-black: #000000;
            --text-white: #ffffff;
            --bg: #f5f7fb;
            --surface: #ffffff;
            --border: #e2e8f0;
            --primary: #B9F040;
            --primary-dark: #a0d636;
            --danger: #e53e3e;
            --text: #1a202c;
            --muted: #718096;
            --success: #48bb78;
        }

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

        body {
            font-family: var(--font-lato), "Segoe UI", sans-serif;
            background: var(--bg);
            color: var(--text);
            min-height: 100vh;
            overflow-x: hidden;
        }

        .login-overlay {
            position: fixed;
            inset: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(15, 23, 42, 0.85);
            z-index: 999;
        }

        .login-overlay.hidden {
            display: none;
        }

        .login-card {
            background: var(--surface);
            padding: 32px;
            border-radius: 12px;
            box-shadow: 0 25px 50px -12px rgba(56, 66, 106, 0.35);
            width: min(380px, 92vw);
        }

        .login-card h2 {
            margin-bottom: 12px;
        }

        .login-card input {
            width: 100%;
            padding: 12px 14px;
            border: 1px solid var(--border);
            border-radius: 8px;
            font-size: 15px;
            margin-bottom: 12px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 16px;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            border: none;
            transition: all 0.2s;
            text-decoration: none;
            font-family: var(--font-lato);
        }

        .btn-primary {
            background: var(--brand-color);
            color: var(--bg-black);
        }

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

        .btn-secondary {
            background: #edf2f7;
            color: var(--text);
        }

        .btn-secondary:hover {
            background: #e2e8f0;
        }

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

        .btn-danger:hover {
            background: #c53030;
        }

        .btn:disabled {
            opacity: 0.6;
            cursor: not-allowed;
        }

        #appShell {
            display: none;
            min-height: 100vh;
            flex-direction: column;
        }

        header {
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            padding: 24px 32px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
        }

        header h1 {
            font-size: 26px;
            font-weight: 600;
            font-family: var(--font-lato);
            margin: 0;
        }

        .breadcrumbs {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--muted);
            margin-bottom: 12px;
            font-family: var(--font-lato);
        }

        .breadcrumbs a {
            color: var(--bg-black);
            text-decoration: none;
            transition: color 0.2s;
        }

        .breadcrumbs a:hover {
            color: var(--brand-color);
            text-decoration: underline;
        }

        .breadcrumbs-separator {
            color: var(--muted);
            opacity: 0.5;
        }

        .main-content {
            flex: 1;
            display: flex;
            gap: 24px;
            padding: 24px;
            max-width: 1800px;
            margin: 0 auto;
            width: 100%;
            overflow-x: hidden;
        }

        .sidebar {
            width: 300px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 20px;
            height: fit-content;
            position: sticky;
            top: 24px;
        }

        .sidebar h2 {
            font-size: 18px;
            margin-bottom: 16px;
        }

        .table-list {
            list-style: none;
        }

        .table-item {
            padding: 12px;
            border-radius: 6px;
            cursor: pointer;
            margin-bottom: 6px;
            transition: background 0.2s;
        }

        .table-item:hover {
            background: #f7fafc;
        }

        .table-item.active {
            background: var(--brand-color);
            color: var(--bg-black);
        }

        .table-item-name {
            font-weight: 600;
            margin-bottom: 4px;
        }

        .table-item-meta {
            font-size: 12px;
            opacity: 0.7;
        }

        .content-area {
            flex: 1;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 24px;
            min-width: 0;
            overflow-x: hidden;
        }

        .content-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 24px;
        }

        .content-header h2 {
            font-size: 22px;
        }

        .columns-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 16px;
            margin-bottom: 32px;
            max-width: 100%;
            overflow-x: hidden;
        }

        .column-card {
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 16px;
            background: #f7fafc;
        }

        .column-card h3 {
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .column-card .badge {
            display: inline-block;
            padding: 4px 8px;
            border-radius: 4px;
            font-size: 11px;
            font-weight: 600;
            margin-right: 6px;
            margin-bottom: 6px;
        }

        .badge-primary {
            background: var(--brand-color);
            color: var(--bg-black);
        }

        .badge-type {
            background: #edf2f7;
            color: var(--text);
        }

        .badge-nullable {
            background: #fed7d7;
            color: var(--danger);
        }

        .table-wrapper {
            overflow-x: auto;
            width: 100%;
            margin-top: 16px;
            -webkit-overflow-scrolling: touch;
            max-width: 100%;
        }

        .data-table {
            width: 100%;
            border-collapse: collapse;
            min-width: max-content;
        }

        .data-table th,
        .data-table td {
            padding: 12px;
            text-align: left;
            border-bottom: 1px solid var(--border);
        }

        .data-table td {
            max-width: 300px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            vertical-align: top;
            word-wrap: break-word;
        }

        /* Clip pre tags (for JSON objects) - ensure they don't expand the cell */
        .data-table td pre {
            max-width: 300px;
            width: 100%;
            overflow: hidden;
            white-space: pre-wrap;
            word-break: break-word;
            margin: 0;
            display: block;
            box-sizing: border-box;
        }

        /* Allow flex containers to work properly (for business_summary with copy button) */
        .data-table td > div {
            white-space: normal;
            overflow: visible;
            max-width: none;
        }

        /* When td contains a div, allow it to expand */
        .data-table td:has(> div) {
            overflow: visible;
            max-width: 400px;
            white-space: normal;
        }

        .data-table th {
            background: #f7fafc;
            font-weight: 600;
            font-size: 13px;
            text-transform: uppercase;
            color: var(--muted);
        }

        .data-table tr:hover {
            background: #f7fafc;
        }

        .pagination {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: 24px;
            padding-top: 24px;
            border-top: 1px solid var(--border);
        }

        .pagination-controls {
            display: flex;
            gap: 8px;
        }

        .modal {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1000;
            align-items: center;
            justify-content: center;
        }

        .modal.show {
            display: flex;
        }

        .modal-content {
            background: var(--surface);
            border-radius: 12px;
            padding: 24px;
            max-width: 500px;
            width: 90%;
            max-height: 90vh;
            overflow-y: auto;
        }

        .modal-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
        }

        .modal-header h3 {
            font-size: 20px;
        }

        .form-group {
            margin-bottom: 16px;
        }

        .form-group label {
            display: block;
            margin-bottom: 6px;
            font-weight: 600;
            font-size: 14px;
        }

        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 10px;
            border: 1px solid var(--border);
            border-radius: 6px;
            font-size: 14px;
        }

        .form-actions {
            display: flex;
            gap: 12px;
            justify-content: flex-end;
            margin-top: 24px;
        }

        .alert {
            padding: 12px 16px;
            border-radius: 8px;
            margin-bottom: 16px;
        }

        .alert-danger {
            background: #fed7d7;
            color: var(--danger);
            border: 1px solid #fc8181;
        }

        .empty-state {
            text-align: center;
            padding: 60px 20px;
            color: var(--muted);
        }

        .empty-state h3 {
            margin-bottom: 8px;
        }

        .column-row {
            display: grid;
            grid-template-columns: 2fr 1.5fr 100px 80px auto;
            gap: 8px;
            margin-bottom: 12px;
            align-items: end;
        }

        .column-row input,
        .column-row select {
            padding: 8px;
            border: 1px solid var(--border);
            border-radius: 6px;
            font-size: 14px;
        }

        .column-row label {
            font-size: 11px;
            font-weight: 600;
            margin-bottom: 4px;
            display: block;
        }

        .column-row .form-group {
            margin: 0;
        }

        .column-row .form-group input[type="checkbox"] {
            width: auto;
            cursor: pointer;
            margin: 0;
        }

        .remove-column-btn {
            background: var(--danger);
            color: white;
            border: none;
            border-radius: 6px;
            padding: 8px;
            cursor: pointer;
            font-size: 14px;
            transition: background 0.2s;
        }

        .remove-column-btn:hover {
            background: #c53030;
        }

        .copy-business-summary-btn:hover {
            opacity: 1 !important;
            background: #f7fafc;
        }

        @media (max-width: 1024px) {
            .main-content {
                flex-direction: column;
            }

            .sidebar {
                width: 100%;
                position: relative;
            }
        }