@php
    $reportB2PmrLayout = ! empty($reportB2PmrLayout);
    $reportPayload = is_array($report ?? null) ? $report : [];
    if ($reportPayload === [] && is_array(old('report'))) {
        $reportPayload = old('report');
    }
    $unitMode = old(
        'report.part_b.scheme_progress_capital.reporting_mode',
        report_section_reporting_mode($reportPayload, 'part_b.scheme_progress_capital.reporting_mode')
    );
    if (! in_array((string) $unitMode, ['single', 'unit_wise'], true)) {
        $unitMode = 'single';
    }
    $defaultSpRow = [
        'major_unit_component' => '',
        'activity_sub_activity' => '',
        'unit' => '',
        'qty_pc_i' => '',
        'qty_ts' => '',
        'total_cost' => '',
        'amount_pc_i' => '',
        'amount_ts' => '',
        'qty_mb' => '',
        'payment_mb' => '',
        'pp_pct' => '',
        'fp_pct' => '',
        'variance_pp_fp' => '',
    ];
    $defaultSpRowExtended = [
        'major_unit_component' => '',
        'qty_pc_i' => '',
        'amount_pc_i' => '',
        'qty_ts' => '',
        'amount_ts' => '',
        'qty_mb' => '',
        'payment_mb' => '',
        'pp_pct' => '',
        'fp_pct' => '',
        'variance_pp_fp' => '',
    ];
    $normalizeSpRowExtended = static function ($row) use ($defaultSpRowExtended): array {
        if (! is_array($row)) {
            return $defaultSpRowExtended;
        }
        $out = [];
        foreach ($defaultSpRowExtended as $key => $default) {
            $val = $row[$key] ?? $default;
            $out[$key] = $val === null ? '' : (is_scalar($val) ? (string) $val : $default);
        }
        if ($out['amount_pc_i'] === '' && trim((string) ($row['total_cost'] ?? '')) !== '') {
            $out['amount_pc_i'] = (string) $row['total_cost'];
        }

        return $out;
    };
    $normalizeSpRow = static function ($row) use ($defaultSpRow): array {
        if (! is_array($row)) {
            return $defaultSpRow;
        }
        $out = [];
        foreach ($defaultSpRow as $key => $default) {
            $val = $row[$key] ?? $default;
            $out[$key] = $val === null ? '' : (is_scalar($val) ? (string) $val : $default);
        }

        return $out;
    };
    $b2ExtendedAvailable = ! $reportB2PmrLayout;
    $tableFormat = old('report.part_b.scheme_progress_capital.table_format', data_get($reportPayload, 'part_b.scheme_progress_capital.table_format', 'standard'));
    if (! in_array((string) $tableFormat, ['standard', 'extended'], true)) {
        $tableFormat = 'standard';
    }
    if (! $b2ExtendedAvailable) {
        $tableFormat = 'standard';
    }
    $spRows = data_get($reportPayload, 'part_b.scheme_progress_capital.rows', []);
    if (! is_array($spRows)) {
        $spRows = [];
    }
    $oldSpRows = old('report.part_b.scheme_progress_capital.rows');
    if (is_array($oldSpRows) && count($oldSpRows) > 0) {
        $spRows = $oldSpRows;
    }
    if (count($spRows) === 0) {
        $spRows = [$defaultSpRow];
    }
    $spRows = array_map($normalizeSpRow, array_values($spRows));
    $spRowsExt = array_map($normalizeSpRowExtended, array_values($spRows));
    $spUnits = data_get($reportPayload, 'part_b.scheme_progress_capital.units', []);
    if (! is_array($spUnits)) {
        $spUnits = [];
    }
    $oldSpUnits = old('report.part_b.scheme_progress_capital.units');
    if (is_array($oldSpUnits) && count($oldSpUnits) > 0) {
        $spUnits = $oldSpUnits;
    }
    if (count($spUnits) === 0) {
        $spUnits = [['unit_name' => '', 'rows' => [$defaultSpRow]]];
    }
    foreach ($spUnits as $ui => $unit) {
        if (! is_array($unit)) {
            $spUnits[$ui] = ['unit_name' => '', 'rows' => [$defaultSpRow]];
            continue;
        }
        $unitRows = $unit['rows'] ?? [];
        if (! is_array($unitRows) || count($unitRows) === 0) {
            $unitRows = [$defaultSpRow];
        }
        $spUnits[$ui]['unit_name'] = (string) ($unit['unit_name'] ?? '');
        $spUnits[$ui]['rows'] = array_map($normalizeSpRow, array_values($unitRows));
        $unitTotals = is_array($unit['totals'] ?? null) ? $unit['totals'] : [];
        $spUnits[$ui]['totals'] = [
            'pp_pct' => (string) ($unitTotals['pp_pct'] ?? ''),
            'fp_pct' => (string) ($unitTotals['fp_pct'] ?? ''),
        ];
    }
    $spUnitsExt = $spUnits;
    foreach ($spUnitsExt as $ui => $unit) {
        $unitRows = $unit['rows'] ?? [];
        if (! is_array($unitRows)) {
            $unitRows = [];
        }
        $spUnitsExt[$ui]['rows'] = array_map($normalizeSpRowExtended, array_values($unitRows));
    }
    $spTotalsRaw = old('report.part_b.scheme_progress_capital.totals');
    if (! is_array($spTotalsRaw)) {
        $spTotalsRaw = data_get($reportPayload, 'part_b.scheme_progress_capital.totals', []);
    }
    if (! is_array($spTotalsRaw)) {
        $spTotalsRaw = [];
    }
    $spTotalPp = \App\Services\ReportPreviewPresenter::schemeProgressPctInputValue((string) ($spTotalsRaw['pp_pct'] ?? ''));
    $spTotalFp = \App\Services\ReportPreviewPresenter::schemeProgressPctInputValue((string) ($spTotalsRaw['fp_pct'] ?? ''));
@endphp
{{-- Part B §2 — Scheme Progress / Component-wise (CAPITAL); same green card chrome as Part A --}}
<div class="report-pa-field-table report-b2-sp report-b2-sp--modern" id="report-b2-root">
    <input type="hidden" name="report[part_b][scheme_progress_capital][table_format]" id="report-b2-table-format-hidden" value="{{ $tableFormat }}">
    @include('reports.partials.b2-scheme-progress-capital-controls', [
        'unitMode' => $unitMode,
        'tableFormat' => $tableFormat,
        'b2ExtendedAvailable' => $b2ExtendedAvailable,
    ])

    <div class="report-b2-sheet-card" id="report-b2-single-wrap">
        @include('reports.partials.b2-scheme-progress-sheet-head')
        <div class="report-b2-sheet-card__body">
        <div id="report-b2-single-standard-wrap" class="report-b2-format-panel" style="{{ $tableFormat === 'extended' ? 'display:none' : '' }}">
        <div class="table-responsive report-b2-table-scroll">
            <table class="table report-b2-data-table report-b2-data-table--modern mb-0">
                <thead>
                    <tr class="report-b2-head-row report-b2-head-row--flat">
                        <th class="report-b2-th-serial">S#</th>
                        <th class="report-b2-th-major">{{ $reportB2PmrLayout ? __('Component') : __('Major Unit / Component (As per PC-I)') }}</th>
                        @if ($reportB2PmrLayout)
                        <th class="report-b2-th-activity">{{ __('Activity/ Sub-activity') }}</th>
                        @endif
                        <th class="report-b2-th-unit">{{ __('Unit') }}</th>
                        <th class="report-b2-th-num">{{ __('Qty') }} <span class="report-b2-th-sub">({{ __('PC-I') }})</span></th>
                        @if (! $reportB2PmrLayout)
                        <th class="report-b2-th-num">{{ __('Qty') }} <span class="report-b2-th-sub">({{ __('T.S') }})</span></th>
                        @endif
                        <th class="report-b2-th-num">{{ $reportB2PmrLayout ? __('Allocated Amount') : __('Total cost') }}@if ($reportB2PmrLayout) <span class="report-b2-th-sub">({{ __('PC-I') }})</span>@endif</th>
                        <th class="report-b2-th-num">{{ $reportB2PmrLayout ? __('Amount Disbursed') : __('Payment') }} <span class="report-b2-th-sub">({{ __('As per MB') }})</span></th>
                        <th class="report-b2-th-num report-b2-th-pp">PP (%)</th>
                        <th class="report-b2-th-num report-b2-th-fp">FP (%)</th>
                        <th class="report-b2-th-num">{{ __('Variance') }}</th>
                        <th class="report-b2-th-actions" aria-label="{{ __('Row actions') }}"></th>
                    </tr>
                </thead>
                <tbody id="report-b2-tbody">
                    @foreach ($spRows as $rIdx => $row)
                        @php
                            $dot = 'report.part_b.scheme_progress_capital.rows.'.$rIdx.'.';
                            $major = old($dot.'major_unit_component', $row['major_unit_component'] ?? '');
                            $activity = old($dot.'activity_sub_activity', $row['activity_sub_activity'] ?? '');
                            $unit = old($dot.'unit', $row['unit'] ?? '');
                            $qtyPc = old($dot.'qty_pc_i', $row['qty_pc_i'] ?? '');
                            $qtyTs = old($dot.'qty_ts', $row['qty_ts'] ?? '');
                            $tc = old($dot.'total_cost', $row['total_cost'] ?? '');
                            $pmb = old($dot.'payment_mb', $row['payment_mb'] ?? '');
                            $pp = \App\Services\ReportPreviewPresenter::schemeProgressPctInputValue(old($dot.'pp_pct', $row['pp_pct'] ?? ''));
                            $fp = \App\Services\ReportPreviewPresenter::schemeProgressPctInputValue(old($dot.'fp_pct', $row['fp_pct'] ?? ''));
                            $variance = old($dot.'variance_pp_fp', $row['variance_pp_fp'] ?? '');
                        @endphp
                        <tr class="report-b2-data-row" data-row-index="{{ $rIdx }}">
                            <td class="report-b2-td report-b2-td-serial">
                                <span class="report-b2-serial-num">{{ $rIdx + 1 }}</span>
                            </td>
                            <td class="report-b2-td">
                                <input type="text" name="report[part_b][scheme_progress_capital][rows][{{ $rIdx }}][major_unit_component]" value="{{ $major }}" class="form-control form-control-sm report-b1-input @error($dot.'major_unit_component') is-invalid @enderror" autocomplete="off">
                                @error($dot.'major_unit_component')
                                    <span class="invalid-feedback d-block">{{ $message }}</span>
                                @enderror
                            </td>
                            @if ($reportB2PmrLayout)
                            <td class="report-b2-td">
                                <input type="text" name="report[part_b][scheme_progress_capital][rows][{{ $rIdx }}][activity_sub_activity]" value="{{ $activity }}" class="form-control form-control-sm report-b1-input @error($dot.'activity_sub_activity') is-invalid @enderror" autocomplete="off">
                                @error($dot.'activity_sub_activity')
                                    <span class="invalid-feedback d-block">{{ $message }}</span>
                                @enderror
                            </td>
                            @endif
                            <td class="report-b2-td">
                                <input type="text" name="report[part_b][scheme_progress_capital][rows][{{ $rIdx }}][unit]" value="{{ $unit }}" class="form-control form-control-sm report-b1-input report-b2-js-unit @error($dot.'unit') is-invalid @enderror" autocomplete="off" placeholder="{{ __('e.g. No') }}">
                                @error($dot.'unit')
                                    <span class="invalid-feedback d-block">{{ $message }}</span>
                                @enderror
                            </td>
                            <td class="report-b2-td">
                                <input type="number" step="any" name="report[part_b][scheme_progress_capital][rows][{{ $rIdx }}][qty_pc_i]" value="{{ $qtyPc }}" class="form-control form-control-sm report-b1-input report-b2-js-num report-b2-js-qty-pci @error($dot.'qty_pc_i') is-invalid @enderror" inputmode="decimal" autocomplete="off" title="{{ __('Enter a number only.') }}">
                                @error($dot.'qty_pc_i')
                                    <span class="invalid-feedback d-block">{{ $message }}</span>
                                @enderror
                            </td>
                            @if (! $reportB2PmrLayout)
                            <td class="report-b2-td">
                                <input type="number" step="any" name="report[part_b][scheme_progress_capital][rows][{{ $rIdx }}][qty_ts]" value="{{ $qtyTs }}" class="form-control form-control-sm report-b1-input report-b2-js-num report-b2-js-qty-ts @error($dot.'qty_ts') is-invalid @enderror" inputmode="decimal" autocomplete="off" title="{{ __('Enter a number only.') }}">
                                @error($dot.'qty_ts')
                                    <span class="invalid-feedback d-block">{{ $message }}</span>
                                @enderror
                            </td>
                            @endif
                            <td class="report-b2-td">
                                <input type="number" step="any" name="report[part_b][scheme_progress_capital][rows][{{ $rIdx }}][total_cost]" value="{{ $tc }}" class="form-control form-control-sm report-b1-input report-b2-js-num report-b2-js-cost @error($dot.'total_cost') is-invalid @enderror" inputmode="decimal" autocomplete="off" title="{{ __('Enter a number only.') }}">
                                @error($dot.'total_cost')
                                    <span class="invalid-feedback d-block">{{ $message }}</span>
                                @enderror
                            </td>
                            <td class="report-b2-td">
                                <input type="number" step="any" name="report[part_b][scheme_progress_capital][rows][{{ $rIdx }}][payment_mb]" value="{{ $pmb }}" class="form-control form-control-sm report-b1-input report-b2-js-num report-b2-js-pay @error($dot.'payment_mb') is-invalid @enderror" inputmode="decimal" autocomplete="off" title="{{ __('Enter a number only.') }}">
                                @error($dot.'payment_mb')
                                    <span class="invalid-feedback d-block">{{ $message }}</span>
                                @enderror
                            </td>
                            <td class="report-b2-td">
                                <input type="number" step="any" name="report[part_b][scheme_progress_capital][rows][{{ $rIdx }}][pp_pct]" value="{{ $pp }}" class="form-control form-control-sm report-b1-input report-b2-js-num report-b2-js-pp @error($dot.'pp_pct') is-invalid @enderror" inputmode="decimal" autocomplete="off" title="{{ __('Enter a number only.') }}">
                                @error($dot.'pp_pct')
                                    <span class="invalid-feedback d-block">{{ $message }}</span>
                                @enderror
                            </td>
                            <td class="report-b2-td">
                                <input type="number" step="any" name="report[part_b][scheme_progress_capital][rows][{{ $rIdx }}][fp_pct]" value="{{ $fp }}" class="form-control form-control-sm report-b1-input report-b2-js-num report-b2-js-fp @error($dot.'fp_pct') is-invalid @enderror" inputmode="decimal" autocomplete="off" title="{{ __('Enter a number only.') }}">
                                @error($dot.'fp_pct')
                                    <span class="invalid-feedback d-block">{{ $message }}</span>
                                @enderror
                            </td>
                            <td class="report-b2-td">
                                <input type="number" step="any" name="report[part_b][scheme_progress_capital][rows][{{ $rIdx }}][variance_pp_fp]" value="{{ $variance }}" readonly class="form-control form-control-sm report-b1-input report-b2-variance-out @error($dot.'variance_pp_fp') is-invalid @enderror" inputmode="decimal" autocomplete="off" tabindex="-1" aria-readonly="true">
                                @error($dot.'variance_pp_fp')
                                    <span class="invalid-feedback d-block">{{ $message }}</span>
                                @enderror
                            </td>
                            <td class="report-b2-td report-b2-td-actions text-center align-middle">
                                <button type="button" class="btn btn-sm report-b2-remove-row" title="Remove row" aria-label="Remove row" @if (count($spRows) <= 1) style="visibility:hidden" @endif>
                                    <i class="fas fa-times"></i>
                                </button>
                            </td>
                        </tr>
                    @endforeach
                </tbody>
                <tfoot>
                    <tr class="report-b2-total-row report-b2-total-row--modern">
                        <td class="report-b2-td report-b2-total-label" colspan="{{ $reportB2PmrLayout ? 4 : 3 }}"><strong>{{ __('TOTAL') }}</strong></td>
                        <td class="report-b2-td"><span class="report-b2-total-val" id="report-b2-total-qty-pci">—</span></td>
                        @if (! $reportB2PmrLayout)
                        <td class="report-b2-td"><span class="report-b2-total-val" id="report-b2-total-qty-ts">—</span></td>
                        @endif
                        <td class="report-b2-td"><span class="report-b2-total-val" id="report-b2-total-cost">—</span></td>
                        <td class="report-b2-td"><span class="report-b2-total-val" id="report-b2-total-pay">—</span></td>
                        <td class="report-b2-td report-b2-total-pp">
                            <input type="number" step="any" name="report[part_b][scheme_progress_capital][totals][pp_pct]" value="{{ $spTotalPp }}" id="report-b2-total-pp" class="form-control form-control-sm report-b1-input report-b2-js-num report-b2-total-pp-input" inputmode="decimal" autocomplete="off" title="{{ __('Enter total PP% manually.') }}">
                        </td>
                        <td class="report-b2-td report-b2-total-fp">
                            <input type="number" step="any" name="report[part_b][scheme_progress_capital][totals][fp_pct]" value="{{ $spTotalFp }}" id="report-b2-total-fp" class="form-control form-control-sm report-b1-input report-b2-js-num report-b2-total-fp-input" inputmode="decimal" autocomplete="off" title="{{ __('Enter total FP% manually.') }}">
                        </td>
                        <td class="report-b2-td"><span class="report-b2-total-val" id="report-b2-total-var">—</span></td>
                        <td class="report-b2-td"></td>
                    </tr>
                </tfoot>
            </table>
        </div>
        </div>
        @if ($b2ExtendedAvailable)
            @include('reports.partials.b2-scheme-progress-capital-extended', [
                'spRowsExt' => $spRowsExt,
                'spUnitsExt' => $spUnitsExt,
                'defaultSpRowExtended' => $defaultSpRowExtended,
                'tableFormat' => $tableFormat,
                'unitMode' => $unitMode,
            ])
        @endif
        </div>
        <div class="report-b2-sheet-card__footer report-b2-sheet-card__footer--single">
            <button type="button" class="report-b2-add-row-btn" id="report-b2-add-row">
                <i class="fas fa-plus" aria-hidden="true"></i>
                {{ __('Add New Row') }}
            </button>
            <button type="button" class="report-b2-add-row-btn" id="report-b2-ext-add-row" disabled style="display:none">
                <i class="fas fa-plus" aria-hidden="true"></i>
                {{ __('Add New Row') }}
            </button>
        </div>
    </div>

    @if ($b2ExtendedAvailable)
        @include('reports.partials.b2-scheme-progress-capital-extended-units', [
            'spUnitsExt' => $spUnitsExt,
            'defaultSpRowExtended' => $defaultSpRowExtended,
            'tableFormat' => $tableFormat,
            'unitMode' => $unitMode,
        ])
    @endif

    <div class="report-b2-sheet-card report-b2-units-sheet" id="report-b2-units-wrap" style="{{ $unitMode === 'unit_wise' && $tableFormat !== 'extended' ? '' : 'display:none' }}">
        @include('reports.partials.b2-scheme-progress-sheet-head')
        <div class="report-b2-sheet-card__body">
        <div id="report-b2-units-container">
            @foreach ($spUnits as $uIdx => $unit)
                @php
                    $uRows = is_array($unit['rows'] ?? null) && count($unit['rows']) > 0 ? $unit['rows'] : [$defaultSpRow];
                    $uName = old('report.part_b.scheme_progress_capital.units.'.$uIdx.'.unit_name', $unit['unit_name'] ?? '');
                    $uTotPp = \App\Services\ReportPreviewPresenter::schemeProgressPctInputValue(old('report.part_b.scheme_progress_capital.units.'.$uIdx.'.totals.pp_pct', data_get($unit, 'totals.pp_pct', '')));
                    $uTotFp = \App\Services\ReportPreviewPresenter::schemeProgressPctInputValue(old('report.part_b.scheme_progress_capital.units.'.$uIdx.'.totals.fp_pct', data_get($unit, 'totals.fp_pct', '')));
                @endphp
                <div class="report-b2-unit-block report-b2-unit-shell mb-3" data-b2-unit-block>
                    <div class="report-b2-unit-shell__head">
                        <div class="report-b2-unit-shell__field">
                            <label class="report-b2-control-label mb-2 d-block">{{ __('Unit name') }}</label>
                            <input type="text" name="report[part_b][scheme_progress_capital][units][{{ $uIdx }}][unit_name]" value="{{ $uName }}" class="form-control form-control-sm report-b1-input report-b2-modern-input report-b2-unit-name-input" placeholder="{{ __('e.g. Package A, Civil works') }}" autocomplete="off">
                        </div>
                        <div class="report-b2-unit-shell__actions">
                            <button type="button" class="report-b2-add-row-btn report-b2-add-row-btn--sm report-b2-add-unit">+ {{ __('Add unit') }}</button>
                            <button type="button" class="report-b2-remove-unit-btn report-b2-remove-unit" title="{{ __('Remove unit') }}">{{ __('Remove unit') }}</button>
                        </div>
                    </div>
                    <div class="table-responsive report-b2-table-scroll">
                        <table class="table report-b2-data-table report-b2-data-table--modern mb-0">
                            <thead>
                                <tr class="report-b2-head-row report-b2-head-row--flat">
                                    <th class="report-b2-th-serial">S#</th>
                                    <th class="report-b2-th-major">{{ __('Major Unit / Component (As per PC-I)') }}</th>
                                    <th class="report-b2-th-unit">{{ __('Unit') }}</th>
                                    <th class="report-b2-th-num">{{ __('Qty') }} <span class="report-b2-th-sub">({{ __('PC-I') }})</span></th>
                                    <th class="report-b2-th-num">{{ __('Qty') }} <span class="report-b2-th-sub">({{ __('T.S') }})</span></th>
                                    <th class="report-b2-th-num">{{ __('Total cost') }}</th>
                                    <th class="report-b2-th-num">{{ __('Payment') }} <span class="report-b2-th-sub">({{ __('As per MB') }})</span></th>
                                    <th class="report-b2-th-num report-b2-th-pp">PP (%)</th>
                                    <th class="report-b2-th-num report-b2-th-fp">FP (%)</th>
                                    <th class="report-b2-th-num">{{ __('Variance') }}</th>
                                    <th class="report-b2-th-actions" aria-label="{{ __('Row actions') }}"></th>
                                </tr>
                            </thead>
                            <tbody class="report-b2-unit-tbody">
                                @foreach ($uRows as $rIdx => $row)
                                    @php
                                        $dot = 'report.part_b.scheme_progress_capital.units.'.$uIdx.'.rows.'.$rIdx.'.';
                                        $major = old($dot.'major_unit_component', $row['major_unit_component'] ?? '');
                                        $unit = old($dot.'unit', $row['unit'] ?? '');
                                        $qtyPc = old($dot.'qty_pc_i', $row['qty_pc_i'] ?? '');
                                        $qtyTs = old($dot.'qty_ts', $row['qty_ts'] ?? '');
                                        $tc = old($dot.'total_cost', $row['total_cost'] ?? '');
                                        $pmb = old($dot.'payment_mb', $row['payment_mb'] ?? '');
                                        $pp = \App\Services\ReportPreviewPresenter::schemeProgressPctInputValue(old($dot.'pp_pct', $row['pp_pct'] ?? ''));
                                        $fp = \App\Services\ReportPreviewPresenter::schemeProgressPctInputValue(old($dot.'fp_pct', $row['fp_pct'] ?? ''));
                                        $variance = old($dot.'variance_pp_fp', $row['variance_pp_fp'] ?? '');
                                    @endphp
                                    <tr class="report-b2-data-row report-b2-unit-data-row" data-row-index="{{ $rIdx }}">
                                        <td class="report-b2-td report-b2-td-serial"><span class="report-b2-serial-num">{{ $rIdx + 1 }}</span></td>
                                        <td class="report-b2-td">
                                            <input type="text" name="report[part_b][scheme_progress_capital][units][{{ $uIdx }}][rows][{{ $rIdx }}][major_unit_component]" value="{{ $major }}" class="form-control form-control-sm report-b1-input @error($dot.'major_unit_component') is-invalid @enderror" autocomplete="off">
                                        </td>
                                        <td class="report-b2-td">
                                            <input type="text" name="report[part_b][scheme_progress_capital][units][{{ $uIdx }}][rows][{{ $rIdx }}][unit]" value="{{ $unit }}" class="form-control form-control-sm report-b1-input report-b2-js-unit @error($dot.'unit') is-invalid @enderror" autocomplete="off" placeholder="{{ __('e.g. No') }}">
                                        </td>
                                        <td class="report-b2-td">
                                            <input type="number" step="any" name="report[part_b][scheme_progress_capital][units][{{ $uIdx }}][rows][{{ $rIdx }}][qty_pc_i]" value="{{ $qtyPc }}" class="form-control form-control-sm report-b1-input report-b2-js-num report-b2-js-qty-pci @error($dot.'qty_pc_i') is-invalid @enderror" inputmode="decimal" autocomplete="off" title="{{ __('Enter a number only.') }}">
                                        </td>
                                        <td class="report-b2-td">
                                            <input type="number" step="any" name="report[part_b][scheme_progress_capital][units][{{ $uIdx }}][rows][{{ $rIdx }}][qty_ts]" value="{{ $qtyTs }}" class="form-control form-control-sm report-b1-input report-b2-js-num report-b2-js-qty-ts @error($dot.'qty_ts') is-invalid @enderror" inputmode="decimal" autocomplete="off" title="{{ __('Enter a number only.') }}">
                                        </td>
                                        <td class="report-b2-td">
                                            <input type="number" step="any" name="report[part_b][scheme_progress_capital][units][{{ $uIdx }}][rows][{{ $rIdx }}][total_cost]" value="{{ $tc }}" class="form-control form-control-sm report-b1-input report-b2-js-num report-b2-js-cost @error($dot.'total_cost') is-invalid @enderror" inputmode="decimal" autocomplete="off" title="{{ __('Enter a number only.') }}">
                                        </td>
                                        <td class="report-b2-td">
                                            <input type="number" step="any" name="report[part_b][scheme_progress_capital][units][{{ $uIdx }}][rows][{{ $rIdx }}][payment_mb]" value="{{ $pmb }}" class="form-control form-control-sm report-b1-input report-b2-js-num report-b2-js-pay @error($dot.'payment_mb') is-invalid @enderror" inputmode="decimal" autocomplete="off" title="{{ __('Enter a number only.') }}">
                                        </td>
                                        <td class="report-b2-td">
                                            <input type="number" step="any" name="report[part_b][scheme_progress_capital][units][{{ $uIdx }}][rows][{{ $rIdx }}][pp_pct]" value="{{ $pp }}" class="form-control form-control-sm report-b1-input report-b2-js-num report-b2-js-pp @error($dot.'pp_pct') is-invalid @enderror" inputmode="decimal" autocomplete="off" title="{{ __('Enter a number only.') }}">
                                        </td>
                                        <td class="report-b2-td">
                                            <input type="number" step="any" name="report[part_b][scheme_progress_capital][units][{{ $uIdx }}][rows][{{ $rIdx }}][fp_pct]" value="{{ $fp }}" class="form-control form-control-sm report-b1-input report-b2-js-num report-b2-js-fp @error($dot.'fp_pct') is-invalid @enderror" inputmode="decimal" autocomplete="off" title="{{ __('Enter a number only.') }}">
                                        </td>
                                        <td class="report-b2-td">
                                            <input type="number" step="any" name="report[part_b][scheme_progress_capital][units][{{ $uIdx }}][rows][{{ $rIdx }}][variance_pp_fp]" value="{{ $variance }}" readonly class="form-control form-control-sm report-b1-input report-b2-variance-out @error($dot.'variance_pp_fp') is-invalid @enderror" inputmode="decimal" autocomplete="off" tabindex="-1" aria-readonly="true">
                                        </td>
                                        <td class="report-b2-td report-b2-td-actions text-center align-middle">
                                            <button type="button" class="btn btn-sm report-b2-remove-btn report-b2-remove-row" title="Remove row" aria-label="Remove row" @if (count($uRows) <= 1) style="visibility:hidden" @endif>
                                                <i class="fas fa-times"></i>
                                            </button>
                                        </td>
                                    </tr>
                                @endforeach
                            </tbody>
                            <tfoot>
                                <tr class="report-b2-total-row report-b2-total-row--modern">
                                    <td class="report-b2-td report-b2-total-label" colspan="3"><strong>{{ __('TOTAL (THIS UNIT)') }}</strong></td>
                                    <td class="report-b2-td"><span class="report-b2-total-val report-b2-unit-total-qty-pci">—</span></td>
                                    <td class="report-b2-td"><span class="report-b2-total-val report-b2-unit-total-qty-ts">—</span></td>
                                    <td class="report-b2-td"><span class="report-b2-total-val report-b2-unit-total-cost">—</span></td>
                                    <td class="report-b2-td"><span class="report-b2-total-val report-b2-unit-total-pay">—</span></td>
                                    <td class="report-b2-td report-b2-total-pp">
                                        <input type="number" step="any" name="report[part_b][scheme_progress_capital][units][{{ $uIdx }}][totals][pp_pct]" value="{{ $uTotPp }}" class="form-control form-control-sm report-b1-input report-b2-js-num report-b2-total-pp-input report-b2-unit-total-pp" inputmode="decimal" autocomplete="off" title="{{ __('Enter total PP% manually.') }}">
                                    </td>
                                    <td class="report-b2-td report-b2-total-fp">
                                        <input type="number" step="any" name="report[part_b][scheme_progress_capital][units][{{ $uIdx }}][totals][fp_pct]" value="{{ $uTotFp }}" class="form-control form-control-sm report-b1-input report-b2-js-num report-b2-total-fp-input report-b2-unit-total-fp" inputmode="decimal" autocomplete="off" title="{{ __('Enter total FP% manually.') }}">
                                    </td>
                                    <td class="report-b2-td"><span class="report-b2-total-val report-b2-unit-total-var">—</span></td>
                                    <td class="report-b2-td"></td>
                                </tr>
                            </tfoot>
                        </table>
                    </div>
                    <div class="report-b2-unit-shell__footer">
                        <button type="button" class="report-b2-add-row-btn report-b2-unit-add-row">
                            <i class="fas fa-plus" aria-hidden="true"></i>
                            {{ __('Add New Row') }}
                        </button>
                    </div>
                </div>
            @endforeach
        </div>
        </div>
    </div>
</div>

<template id="report-b2-row-template">
    <tr class="report-b2-data-row" data-row-index="__R__">
        <td class="report-b2-td report-b2-td-serial"><span class="report-b2-serial-num"></span></td>
        <td class="report-b2-td">
            <input type="text" name="report[part_b][scheme_progress_capital][rows][__R__][major_unit_component]" value="" class="form-control form-control-sm report-b1-input" autocomplete="off">
        </td>
        <td class="report-b2-td">
            <input type="text" name="report[part_b][scheme_progress_capital][rows][__R__][unit]" value="" class="form-control form-control-sm report-b1-input report-b2-js-unit" autocomplete="off" placeholder="{{ __('e.g. No') }}">
        </td>
        <td class="report-b2-td">
            <input type="number" step="any" name="report[part_b][scheme_progress_capital][rows][__R__][qty_pc_i]" value="" class="form-control form-control-sm report-b1-input report-b2-js-num report-b2-js-qty-pci" inputmode="decimal" autocomplete="off" title="{{ __('Enter a number only.') }}">
        </td>
        <td class="report-b2-td">
            <input type="number" step="any" name="report[part_b][scheme_progress_capital][rows][__R__][qty_ts]" value="" class="form-control form-control-sm report-b1-input report-b2-js-num report-b2-js-qty-ts" inputmode="decimal" autocomplete="off" title="{{ __('Enter a number only.') }}">
        </td>
        <td class="report-b2-td">
            <input type="number" step="any" name="report[part_b][scheme_progress_capital][rows][__R__][total_cost]" value="" class="form-control form-control-sm report-b1-input report-b2-js-num report-b2-js-cost" inputmode="decimal" autocomplete="off" title="{{ __('Enter a number only.') }}">
        </td>
        <td class="report-b2-td">
            <input type="number" step="any" name="report[part_b][scheme_progress_capital][rows][__R__][payment_mb]" value="" class="form-control form-control-sm report-b1-input report-b2-js-num report-b2-js-pay" inputmode="decimal" autocomplete="off" title="{{ __('Enter a number only.') }}">
        </td>
        <td class="report-b2-td">
            <input type="number" step="any" name="report[part_b][scheme_progress_capital][rows][__R__][pp_pct]" value="" class="form-control form-control-sm report-b1-input report-b2-js-num report-b2-js-pp" inputmode="decimal" autocomplete="off" title="{{ __('Enter a number only.') }}">
        </td>
        <td class="report-b2-td">
            <input type="number" step="any" name="report[part_b][scheme_progress_capital][rows][__R__][fp_pct]" value="" class="form-control form-control-sm report-b1-input report-b2-js-num report-b2-js-fp" inputmode="decimal" autocomplete="off" title="{{ __('Enter a number only.') }}">
        </td>
        <td class="report-b2-td">
            <input type="number" step="any" name="report[part_b][scheme_progress_capital][rows][__R__][variance_pp_fp]" value="" readonly class="form-control form-control-sm report-b1-input report-b2-variance-out" inputmode="decimal" autocomplete="off" tabindex="-1" aria-readonly="true">
        </td>
        <td class="report-b2-td report-b2-td-actions text-center align-middle">
            <button type="button" class="btn btn-sm report-b2-remove-row" title="Remove row" aria-label="Remove row">
                <i class="fas fa-times"></i>
            </button>
        </td>
    </tr>
</template>

@if ($reportB2PmrLayout)
<template id="report-b2-row-template-pmr">
    <tr class="report-b2-data-row" data-row-index="__R__">
        <td class="report-b2-td report-b2-td-serial"><span class="report-b2-serial-num"></span></td>
        <td class="report-b2-td">
            <input type="text" name="report[part_b][scheme_progress_capital][rows][__R__][major_unit_component]" value="" class="form-control form-control-sm report-b1-input" autocomplete="off">
        </td>
        <td class="report-b2-td">
            <input type="text" name="report[part_b][scheme_progress_capital][rows][__R__][activity_sub_activity]" value="" class="form-control form-control-sm report-b1-input" autocomplete="off">
        </td>
        <td class="report-b2-td">
            <input type="text" name="report[part_b][scheme_progress_capital][rows][__R__][unit]" value="" class="form-control form-control-sm report-b1-input report-b2-js-unit" autocomplete="off" placeholder="{{ __('e.g. No') }}">
        </td>
        <td class="report-b2-td">
            <input type="number" step="any" name="report[part_b][scheme_progress_capital][rows][__R__][qty_pc_i]" value="" class="form-control form-control-sm report-b1-input report-b2-js-num report-b2-js-qty-pci" inputmode="decimal" autocomplete="off" title="{{ __('Enter a number only.') }}">
        </td>
        <td class="report-b2-td">
            <input type="number" step="any" name="report[part_b][scheme_progress_capital][rows][__R__][total_cost]" value="" class="form-control form-control-sm report-b1-input report-b2-js-num report-b2-js-cost" inputmode="decimal" autocomplete="off" title="{{ __('Enter a number only.') }}">
        </td>
        <td class="report-b2-td">
            <input type="number" step="any" name="report[part_b][scheme_progress_capital][rows][__R__][payment_mb]" value="" class="form-control form-control-sm report-b1-input report-b2-js-num report-b2-js-pay" inputmode="decimal" autocomplete="off" title="{{ __('Enter a number only.') }}">
        </td>
        <td class="report-b2-td">
            <input type="number" step="any" name="report[part_b][scheme_progress_capital][rows][__R__][pp_pct]" value="" class="form-control form-control-sm report-b1-input report-b2-js-num report-b2-js-pp" inputmode="decimal" autocomplete="off" title="{{ __('Enter a number only.') }}">
        </td>
        <td class="report-b2-td">
            <input type="number" step="any" name="report[part_b][scheme_progress_capital][rows][__R__][fp_pct]" value="" class="form-control form-control-sm report-b1-input report-b2-js-num report-b2-js-fp" inputmode="decimal" autocomplete="off" title="{{ __('Enter a number only.') }}">
        </td>
        <td class="report-b2-td">
            <input type="number" step="any" name="report[part_b][scheme_progress_capital][rows][__R__][variance_pp_fp]" value="" readonly class="form-control form-control-sm report-b1-input report-b2-variance-out" inputmode="decimal" autocomplete="off" tabindex="-1" aria-readonly="true">
        </td>
        <td class="report-b2-td report-b2-td-actions text-center align-middle">
            <button type="button" class="btn btn-sm report-b2-remove-row" title="Remove row" aria-label="Remove row">
                <i class="fas fa-times"></i>
            </button>
        </td>
    </tr>
</template>
@endif

<template id="report-b2-unit-row-template">
    <tr class="report-b2-data-row report-b2-unit-data-row" data-row-index="__R__">
        <td class="report-b2-td report-b2-td-serial"><span class="report-b2-serial-num"></span></td>
        <td class="report-b2-td">
            <input type="text" name="report[part_b][scheme_progress_capital][units][__U__][rows][__R__][major_unit_component]" value="" class="form-control form-control-sm report-b1-input" autocomplete="off">
        </td>
        <td class="report-b2-td">
            <input type="text" name="report[part_b][scheme_progress_capital][units][__U__][rows][__R__][unit]" value="" class="form-control form-control-sm report-b1-input report-b2-js-unit" autocomplete="off" placeholder="{{ __('e.g. No') }}">
        </td>
        <td class="report-b2-td">
            <input type="number" step="any" name="report[part_b][scheme_progress_capital][units][__U__][rows][__R__][qty_pc_i]" value="" class="form-control form-control-sm report-b1-input report-b2-js-num report-b2-js-qty-pci" inputmode="decimal" autocomplete="off" title="{{ __('Enter a number only.') }}">
        </td>
        <td class="report-b2-td">
            <input type="number" step="any" name="report[part_b][scheme_progress_capital][units][__U__][rows][__R__][qty_ts]" value="" class="form-control form-control-sm report-b1-input report-b2-js-num report-b2-js-qty-ts" inputmode="decimal" autocomplete="off" title="{{ __('Enter a number only.') }}">
        </td>
        <td class="report-b2-td">
            <input type="number" step="any" name="report[part_b][scheme_progress_capital][units][__U__][rows][__R__][total_cost]" value="" class="form-control form-control-sm report-b1-input report-b2-js-num report-b2-js-cost" inputmode="decimal" autocomplete="off" title="{{ __('Enter a number only.') }}">
        </td>
        <td class="report-b2-td">
            <input type="number" step="any" name="report[part_b][scheme_progress_capital][units][__U__][rows][__R__][payment_mb]" value="" class="form-control form-control-sm report-b1-input report-b2-js-num report-b2-js-pay" inputmode="decimal" autocomplete="off" title="{{ __('Enter a number only.') }}">
        </td>
        <td class="report-b2-td">
            <input type="number" step="any" name="report[part_b][scheme_progress_capital][units][__U__][rows][__R__][pp_pct]" value="" class="form-control form-control-sm report-b1-input report-b2-js-num report-b2-js-pp" inputmode="decimal" autocomplete="off" title="{{ __('Enter a number only.') }}">
        </td>
        <td class="report-b2-td">
            <input type="number" step="any" name="report[part_b][scheme_progress_capital][units][__U__][rows][__R__][fp_pct]" value="" class="form-control form-control-sm report-b1-input report-b2-js-num report-b2-js-fp" inputmode="decimal" autocomplete="off" title="{{ __('Enter a number only.') }}">
        </td>
        <td class="report-b2-td">
            <input type="number" step="any" name="report[part_b][scheme_progress_capital][units][__U__][rows][__R__][variance_pp_fp]" value="" readonly class="form-control form-control-sm report-b1-input report-b2-variance-out" inputmode="decimal" autocomplete="off" tabindex="-1" aria-readonly="true">
        </td>
        <td class="report-b2-td report-b2-td-actions text-center align-middle">
            <button type="button" class="btn btn-sm report-b2-remove-row" title="Remove row" aria-label="Remove row">
                <i class="fas fa-times"></i>
            </button>
        </td>
    </tr>
</template>

<template id="report-b2-unit-block-template">
    <div class="report-b2-unit-block report-b2-unit-shell mb-3" data-b2-unit-block>
        <div class="report-b2-unit-shell__head">
            <div class="report-b2-unit-shell__field">
                <label class="report-b2-control-label mb-2 d-block">{{ __('Unit name') }}</label>
                <input type="text" name="report[part_b][scheme_progress_capital][units][__U__][unit_name]" value="" class="form-control form-control-sm report-b1-input report-b2-modern-input report-b2-unit-name-input" placeholder="{{ __('e.g. Package A, Civil works') }}" autocomplete="off">
            </div>
            <div class="report-b2-unit-shell__actions">
                <button type="button" class="report-b2-add-row-btn report-b2-add-row-btn--sm report-b2-add-unit">+ {{ __('Add unit') }}</button>
                <button type="button" class="report-b2-remove-unit-btn report-b2-remove-unit" title="{{ __('Remove unit') }}">{{ __('Remove unit') }}</button>
            </div>
        </div>
        <div class="table-responsive report-b2-table-scroll">
            <table class="table report-b2-data-table report-b2-data-table--modern mb-0">
                <thead>
                    <tr class="report-b2-head-row report-b2-head-row--flat">
                        <th class="report-b2-th-serial">S#</th>
                        <th class="report-b2-th-major">{{ __('Major Unit / Component (As per PC-I)') }}</th>
                        <th class="report-b2-th-unit">{{ __('Unit') }}</th>
                        <th class="report-b2-th-num">{{ __('Qty') }} <span class="report-b2-th-sub">({{ __('PC-I') }})</span></th>
                        <th class="report-b2-th-num">{{ __('Qty') }} <span class="report-b2-th-sub">({{ __('T.S') }})</span></th>
                        <th class="report-b2-th-num">{{ __('Total cost') }}</th>
                        <th class="report-b2-th-num">{{ __('Payment') }} <span class="report-b2-th-sub">({{ __('As per MB') }})</span></th>
                        <th class="report-b2-th-num report-b2-th-pp">PP (%)</th>
                        <th class="report-b2-th-num report-b2-th-fp">FP (%)</th>
                        <th class="report-b2-th-num">{{ __('Variance') }}</th>
                        <th class="report-b2-th-actions" aria-label="{{ __('Row actions') }}"></th>
                    </tr>
                </thead>
                <tbody class="report-b2-unit-tbody"></tbody>
                <tfoot>
                    <tr class="report-b2-total-row report-b2-total-row--modern">
                        <td class="report-b2-td report-b2-total-label" colspan="3"><strong>{{ __('TOTAL (THIS UNIT)') }}</strong></td>
                        <td class="report-b2-td"><span class="report-b2-total-val report-b2-unit-total-qty-pci">—</span></td>
                        <td class="report-b2-td"><span class="report-b2-total-val report-b2-unit-total-qty-ts">—</span></td>
                        <td class="report-b2-td"><span class="report-b2-total-val report-b2-unit-total-cost">—</span></td>
                        <td class="report-b2-td"><span class="report-b2-total-val report-b2-unit-total-pay">—</span></td>
                        <td class="report-b2-td report-b2-total-pp">
                            <input type="number" step="any" name="report[part_b][scheme_progress_capital][units][__U__][totals][pp_pct]" value="" class="form-control form-control-sm report-b1-input report-b2-js-num report-b2-total-pp-input report-b2-unit-total-pp" inputmode="decimal" autocomplete="off" title="{{ __('Enter total PP% manually.') }}">
                        </td>
                        <td class="report-b2-td report-b2-total-fp">
                            <input type="number" step="any" name="report[part_b][scheme_progress_capital][units][__U__][totals][fp_pct]" value="" class="form-control form-control-sm report-b1-input report-b2-js-num report-b2-total-fp-input report-b2-unit-total-fp" inputmode="decimal" autocomplete="off" title="{{ __('Enter total FP% manually.') }}">
                        </td>
                        <td class="report-b2-td"><span class="report-b2-total-val report-b2-unit-total-var">—</span></td>
                        <td class="report-b2-td"></td>
                    </tr>
                </tfoot>
            </table>
        </div>
        <div class="report-b2-unit-shell__footer">
            <button type="button" class="report-b2-add-row-btn report-b2-unit-add-row">
                <i class="fas fa-plus" aria-hidden="true"></i>
                {{ __('Add New Row') }}
            </button>
        </div>
    </div>
</template>

@push('scripts')
<script>
(function () {
    var root = document.getElementById('report-b2-root');
    var tbody = document.getElementById('report-b2-tbody');
    var extTbody = document.getElementById('report-b2-ext-tbody');
    var btnAdd = document.getElementById('report-b2-add-row');
    var btnExtAdd = document.getElementById('report-b2-ext-add-row');
    var b2PmrLayout = @json($reportB2PmrLayout);
    var b2ExtendedAvailable = @json($b2ExtendedAvailable);
    var tpl = document.getElementById(b2PmrLayout ? 'report-b2-row-template-pmr' : 'report-b2-row-template');
    var singleWrap = document.getElementById('report-b2-single-wrap');
    var unitsWrap = document.getElementById('report-b2-units-wrap');
    var unitsContainer = document.getElementById('report-b2-units-container');
    var tplUnitBlock = document.getElementById('report-b2-unit-block-template');
    var tplUnitRow = document.getElementById('report-b2-unit-row-template');
    var tplExtRow = document.getElementById('report-b2-ext-row-template');
    var tplExtUnitRow = document.getElementById('report-b2-ext-unit-row-template');
    var tplExtUnitBlock = document.getElementById('report-b2-ext-unit-block-template');
    var unitsExtContainer = document.getElementById('report-b2-units-ext-container');
    if (!root || !tbody || !btnAdd || !tpl) return;

    function tableFormatHidden() {
        return document.getElementById('report-b2-table-format-hidden');
    }
    function getTableFormat() {
        if (!b2ExtendedAvailable) return 'standard';
        var h = tableFormatHidden();
        return h && h.value === 'extended' ? 'extended' : 'standard';
    }
    function isExtendedFormat() {
        return getTableFormat() === 'extended';
    }
    function activeSingleTbody() {
        return isExtendedFormat() && extTbody ? extTbody : tbody;
    }

    function modeHidden() {
        return document.getElementById('pms-report-b2-reporting-mode')
            || document.getElementById('pms-report-unit-reporting-mode');
    }
    function getMode() {
        var h = modeHidden();
        return h && h.value === 'unit_wise' ? 'unit_wise' : 'single';
    }

    function setInputsDisabled(wrap, dis) {
        if (!wrap) return;
        wrap.querySelectorAll('input, select, textarea').forEach(function (el) {
            el.disabled = !!dis;
        });
        wrap.querySelectorAll('button').forEach(function (el) {
            el.disabled = !!dis;
        });
    }

    window.pmsApplyB2UnitModePanels = function () {
        var m = getMode();
        var fmt = getTableFormat();
        var stdSingle = document.getElementById('report-b2-single-standard-wrap');
        var extSingle = document.getElementById('report-b2-single-extended-wrap');
        var stdUnits = document.getElementById('report-b2-units-wrap');
        var extUnits = document.getElementById('report-b2-units-extended-wrap');
        if (singleWrap) {
            singleWrap.style.display = m === 'single' ? '' : 'none';
            setInputsDisabled(singleWrap, m !== 'single');
        }
        if (stdSingle) {
            stdSingle.style.display = (m === 'single' && fmt === 'standard') ? '' : 'none';
            setInputsDisabled(stdSingle, m !== 'single' || fmt !== 'standard');
        }
        if (extSingle) {
            extSingle.style.display = (m === 'single' && fmt === 'extended') ? '' : 'none';
            setInputsDisabled(extSingle, m !== 'single' || fmt !== 'extended');
        }
        if (unitsWrap) {
            unitsWrap.style.display = (m === 'unit_wise' && fmt === 'standard') ? '' : 'none';
            setInputsDisabled(unitsWrap, m !== 'unit_wise' || fmt !== 'standard');
        }
        if (extUnits) {
            extUnits.style.display = (m === 'unit_wise' && fmt === 'extended') ? '' : 'none';
            setInputsDisabled(extUnits, m !== 'unit_wise' || fmt !== 'extended');
        }
        var btnStdAdd = document.getElementById('report-b2-add-row');
        var btnExtAdd = document.getElementById('report-b2-ext-add-row');
        if (btnStdAdd) {
            btnStdAdd.style.display = (m === 'single' && fmt === 'standard') ? '' : 'none';
            btnStdAdd.disabled = m !== 'single' || fmt !== 'standard';
        }
        if (btnExtAdd) {
            btnExtAdd.style.display = (m === 'single' && fmt === 'extended') ? '' : 'none';
            btnExtAdd.disabled = m !== 'single' || fmt !== 'extended';
        }
    };

    function parseNum(v) {
        if (v === undefined || v === null) return NaN;
        var s = String(v).replace(/,/g, '').trim();
        if (s === '') return NaN;
        var n = parseFloat(s);
        return isNaN(n) ? NaN : n;
    }

    function fmtNum(n) {
        if (isNaN(n)) return '—';
        if (n === 0) return '0';
        return Math.abs(n - Math.round(n)) < 1e-9 ? String(Math.round(n)) : String(Number(n.toFixed(4)));
    }

    /** PP / FP / variance — trim trailing zeros (70.00 → 70; 70.25 → 70.25). */
    function fmtPct(n) {
        if (isNaN(n) || !isFinite(n)) return '—';
        if (typeof window.pmsFormatReportPercent === 'function') {
            return window.pmsFormatReportPercent(n);
        }
        return String(n);
    }

    function normalizePctInput(el) {
        if (!el) return;
        if (typeof window.pmsNormalizeReportPercentInput === 'function') {
            window.pmsNormalizeReportPercentInput(el);
            return;
        }
        var n = parseNum(el.value);
        if (isNaN(n)) return;
        el.value = String(n);
    }

    function applyNegStyle(el, n) {
        if (window.pmsApplyReportNegativeStyle) window.pmsApplyReportNegativeStyle(el, n);
    }

    /** Total-row variance from manual total PP% / FP% (same PP − FP rule as data rows). */
    function syncManualTotalVariance(ppEl, fpEl, varEl) {
        if (!varEl) return;
        var pp = parseNum(ppEl && ppEl.value);
        var fp = parseNum(fpEl && fpEl.value);
        if (isNaN(pp) || isNaN(fp)) {
            varEl.textContent = '—';
            applyNegStyle(varEl, NaN);
            return;
        }
        var diff = pp - fp;
        varEl.textContent = fmtPct(diff);
        applyNegStyle(varEl, diff);
    }

    function wireManualTotalInputs(scope) {
        var rootEl = scope || root;
        if (!rootEl) return;
        rootEl.querySelectorAll('.report-b2-total-pp-input, .report-b2-total-fp-input').forEach(function (el) {
            if (el.getAttribute('data-b2-total-wired') === '1') return;
            el.setAttribute('data-b2-total-wired', '1');
            el.addEventListener('blur', function () {
                normalizePctInput(el);
                var foot = el.closest('tfoot') || el.closest('tr');
                if (!foot) return;
                var ppEl = foot.querySelector('.report-b2-total-pp-input');
                var fpEl = foot.querySelector('.report-b2-total-fp-input');
                var varEl = foot.querySelector('#report-b2-total-var, #report-b2-ext-total-var, .report-b2-unit-total-var, .report-b2-ext-unit-total-var');
                syncManualTotalVariance(ppEl, fpEl, varEl);
            });
            el.addEventListener('input', function () {
                var foot = el.closest('tfoot') || el.closest('tr');
                if (!foot) return;
                var ppEl = foot.querySelector('.report-b2-total-pp-input');
                var fpEl = foot.querySelector('.report-b2-total-fp-input');
                var varEl = foot.querySelector('#report-b2-total-var, #report-b2-ext-total-var, .report-b2-unit-total-var, .report-b2-ext-unit-total-var');
                syncManualTotalVariance(ppEl, fpEl, varEl);
            });
        });
    }

    function rowVariance(tr) {
        var ppEl = tr.querySelector('.report-b2-js-pp');
        var fpEl = tr.querySelector('.report-b2-js-fp');
        var pp = parseNum(ppEl && ppEl.value);
        var fp = parseNum(fpEl && fpEl.value);
        var out = tr.querySelector('.report-b2-variance-out');
        if (!out) return;
        if (isNaN(pp) || isNaN(fp)) {
            out.value = '';
            applyNegStyle(out, NaN);
            return;
        }
        var diff = pp - fp;
        out.value = fmtPct(diff) === '—' ? '' : fmtPct(diff);
        applyNegStyle(out, diff);
    }

    function renumberSingleRows() {
        var rows = tbody.querySelectorAll('.report-b2-data-row:not(.report-b2-unit-data-row)');
        rows.forEach(function (tr, i) {
            tr.setAttribute('data-row-index', String(i));
            var sn = tr.querySelector('.report-b2-serial-num');
            if (sn) sn.textContent = String(i + 1);
            tr.querySelectorAll('[name]').forEach(function (el) {
                el.name = el.name.replace(/rows\]\[(?:\d+|__R__)\]/, 'rows][' + i + ']');
            });
            var rm = tr.querySelector('.report-b2-remove-row');
            if (rm) rm.style.visibility = rows.length <= 1 ? 'hidden' : 'visible';
        });
    }
    window.pmsRenumberB2SchemeProgressCapital = renumberSingleRows;

    function recalcSingleTotals() {
        var rows = tbody.querySelectorAll('.report-b2-data-row:not(.report-b2-unit-data-row)');
        var sumCost = 0, sumPay = 0;
        var anyCost = false, anyPay = false;
        rows.forEach(function (tr) {
            var c = parseNum(tr.querySelector('.report-b2-js-cost') && tr.querySelector('.report-b2-js-cost').value);
            var d = parseNum(tr.querySelector('.report-b2-js-pay') && tr.querySelector('.report-b2-js-pay').value);
            if (!isNaN(c)) { sumCost += c; anyCost = true; }
            if (!isNaN(d)) { sumPay += d; anyPay = true; }
        });
        var elPci = document.getElementById('report-b2-total-qty-pci');
        var elTs = document.getElementById('report-b2-total-qty-ts');
        var elCost = document.getElementById('report-b2-total-cost');
        var elPay = document.getElementById('report-b2-total-pay');
        var elPp = document.getElementById('report-b2-total-pp');
        var elFp = document.getElementById('report-b2-total-fp');
        var elVar = document.getElementById('report-b2-total-var');
        if (elPci) { elPci.textContent = '—'; applyNegStyle(elPci, NaN); }
        if (elTs) { elTs.textContent = '—'; applyNegStyle(elTs, NaN); }
        if (elCost) { elCost.textContent = anyCost ? fmtNum(sumCost) : '—'; applyNegStyle(elCost, anyCost ? sumCost : NaN); }
        if (elPay) { elPay.textContent = anyPay ? fmtNum(sumPay) : '—'; applyNegStyle(elPay, anyPay ? sumPay : NaN); }
        syncManualTotalVariance(elPp, elFp, elVar);
    }

    function renumberUnitBlocks() {
        if (!unitsContainer) return;
        unitsContainer.querySelectorAll('.report-b2-unit-block').forEach(function (unitEl, uIdx) {
            var nm = unitEl.querySelector('.report-b2-unit-name-input');
            if (nm) nm.name = 'report[part_b][scheme_progress_capital][units][' + uIdx + '][unit_name]';
            unitEl.querySelectorAll('tfoot [name]').forEach(function (el) {
                el.name = el.name.replace(/units\]\[(?:\d+|__U__)\]\[totals\]/, 'units][' + uIdx + '][totals]');
            });
            var utbody = unitEl.querySelector('.report-b2-unit-tbody');
            if (!utbody) return;
            utbody.querySelectorAll('.report-b2-unit-data-row').forEach(function (tr, rIdx) {
                tr.setAttribute('data-row-index', String(rIdx));
                var sn = tr.querySelector('.report-b2-serial-num');
                if (sn) sn.textContent = String(rIdx + 1);
                tr.querySelectorAll('[name]').forEach(function (el) {
                    el.name = el.name
                        .replace(/units\]\[(?:\d+|__U__)\]\[rows\]\[(?:\d+|__R__)\]/, 'units][' + uIdx + '][rows][' + rIdx + ']');
                });
                var rm = tr.querySelector('.report-b2-remove-row');
                var n = utbody.querySelectorAll('.report-b2-unit-data-row').length;
                if (rm) rm.style.visibility = n <= 1 ? 'hidden' : 'visible';
            });
            var rmUnit = unitEl.querySelector('.report-b2-remove-unit');
            if (rmUnit) rmUnit.style.visibility = unitsContainer.querySelectorAll('.report-b2-unit-block').length <= 1 ? 'hidden' : 'visible';
        });
    }

    function recalcUnitBlockTotals(unitEl) {
        if (!unitEl) return;
        var utbody = unitEl.querySelector('.report-b2-unit-tbody');
        if (!utbody) return;
        var rows = utbody.querySelectorAll('.report-b2-unit-data-row');
        var sumCost = 0, sumPay = 0;
        var anyCost = false, anyPay = false;
        rows.forEach(function (tr) {
            var c = parseNum(tr.querySelector('.report-b2-js-cost') && tr.querySelector('.report-b2-js-cost').value);
            var d = parseNum(tr.querySelector('.report-b2-js-pay') && tr.querySelector('.report-b2-js-pay').value);
            if (!isNaN(c)) { sumCost += c; anyCost = true; }
            if (!isNaN(d)) { sumPay += d; anyPay = true; }
        });
        var foot = unitEl.querySelector('tfoot');
        if (!foot) return;
        var q1 = foot.querySelector('.report-b2-unit-total-qty-pci');
        var q2 = foot.querySelector('.report-b2-unit-total-qty-ts');
        var q3 = foot.querySelector('.report-b2-unit-total-cost');
        var q4 = foot.querySelector('.report-b2-unit-total-pay');
        var q5 = foot.querySelector('.report-b2-unit-total-pp');
        var q6 = foot.querySelector('.report-b2-unit-total-fp');
        var q7 = foot.querySelector('.report-b2-unit-total-var');
        if (q1) { q1.textContent = '—'; applyNegStyle(q1, NaN); }
        if (q2) { q2.textContent = '—'; applyNegStyle(q2, NaN); }
        if (q3) { q3.textContent = anyCost ? fmtNum(sumCost) : '—'; applyNegStyle(q3, anyCost ? sumCost : NaN); }
        if (q4) { q4.textContent = anyPay ? fmtNum(sumPay) : '—'; applyNegStyle(q4, anyPay ? sumPay : NaN); }
        syncManualTotalVariance(q5, q6, q7);
    }

    function recalcAllUnitTotals() {
        if (!unitsContainer) return;
        unitsContainer.querySelectorAll('.report-b2-unit-block').forEach(recalcUnitBlockTotals);
    }

    function wireRow(tr, utbody) {
        var pp = tr.querySelector('.report-b2-js-pp');
        var fp = tr.querySelector('.report-b2-js-fp');
        [pp, fp].forEach(function (el) {
            if (!el) return;
            el.addEventListener('blur', function () {
                normalizePctInput(el);
                rowVariance(tr);
            });
            el.addEventListener('input', function () {
                rowVariance(tr);
                if (utbody) {
                    if (tr.classList.contains('report-b2-ext-unit-data-row')) {
                        recalcExtUnitBlockTotals(tr.closest('.report-b2-ext-unit-block'));
                    } else {
                        recalcUnitBlockTotals(tr.closest('.report-b2-unit-block'));
                    }
                } else if (tr.classList.contains('report-b2-ext-data-row')) {
                    recalcExtSingleTotals();
                } else {
                    recalcSingleTotals();
                }
            });
        });
        tr.querySelectorAll('.report-b2-js-num').forEach(function (el) {
            el.addEventListener('input', function () {
                if (utbody) {
                    if (tr.classList.contains('report-b2-ext-unit-data-row')) {
                        recalcExtUnitBlockTotals(tr.closest('.report-b2-ext-unit-block'));
                    } else {
                        recalcUnitBlockTotals(tr.closest('.report-b2-unit-block'));
                    }
                } else if (tr.classList.contains('report-b2-ext-data-row')) {
                    recalcExtSingleTotals();
                } else {
                    recalcSingleTotals();
                }
            });
        });
        var rm = tr.querySelector('.report-b2-remove-row');
        if (rm) {
            rm.addEventListener('click', function () {
                if (utbody) {
                    if (utbody.querySelectorAll('.report-b2-unit-data-row').length <= 1) return;
                    tr.parentNode.removeChild(tr);
                    renumberUnitBlocks();
                    utbody.querySelectorAll('.report-b2-unit-data-row').forEach(rowVariance);
                    var ub = utbody.closest('.report-b2-unit-block');
                    if (ub) recalcUnitBlockTotals(ub);
                } else {
                    if (tbody.querySelectorAll('.report-b2-data-row:not(.report-b2-unit-data-row)').length <= 1) return;
                    tr.parentNode.removeChild(tr);
                    renumberSingleRows();
                    tbody.querySelectorAll('.report-b2-data-row:not(.report-b2-unit-data-row)').forEach(rowVariance);
                    recalcSingleTotals();
                }
            });
        }
    }

    tbody.querySelectorAll('.report-b2-data-row:not(.report-b2-unit-data-row)').forEach(function (tr) {
        wireRow(tr, null);
        normalizePctInput(tr.querySelector('.report-b2-js-pp'));
        normalizePctInput(tr.querySelector('.report-b2-js-fp'));
        rowVariance(tr);
    });
    root.querySelectorAll('.report-b2-total-pp-input, .report-b2-total-fp-input').forEach(normalizePctInput);

    function setB2RowValues(tr, row) {
        var fields = [
            ['major_unit_component', 'input[name*="[major_unit_component]"]'],
            ['unit', '.report-b2-js-unit'],
            ['qty_pc_i', '.report-b2-js-qty-pci'],
            ['qty_ts', '.report-b2-js-qty-ts'],
            ['total_cost', '.report-b2-js-cost'],
            ['payment_mb', '.report-b2-js-pay'],
            ['pp_pct', '.report-b2-js-pp'],
            ['fp_pct', '.report-b2-js-fp']
        ];
        fields.forEach(function (pair) {
            var el = tr.querySelector(pair[1]);
            if (el && row[pair[0]] != null && String(row[pair[0]]) !== '') {
                el.value = String(row[pair[0]]);
                if (pair[0] === 'pp_pct' || pair[0] === 'fp_pct') {
                    normalizePctInput(el);
                }
            }
        });
    }

    function appendSingleRowFromData(row) {
        var frag = document.importNode(tpl.content, true);
        var tr = frag.querySelector('tr');
        if (!tr) return;
        tbody.appendChild(tr);
        setB2RowValues(tr, row || {});
        renumberSingleRows();
        wireRow(tr, null);
        rowVariance(tr);
    }

    window.pmsB2ReplaceSingleRows = function (rows) {
        if (getMode() !== 'single') return false;
        if (!Array.isArray(rows) || !rows.length) return false;
        tbody.querySelectorAll('.report-b2-data-row:not(.report-b2-unit-data-row)').forEach(function (tr) {
            tr.parentNode.removeChild(tr);
        });
        rows.forEach(appendSingleRowFromData);
        recalcSingleTotals();
        return true;
    };

    function appendUnitRowFromData(unitEl, row) {
        var tbodyU = unitEl.querySelector('.report-b2-unit-tbody');
        if (!tbodyU || !tplUnitRow) return;
        var rf = document.importNode(tplUnitRow.content, true);
        var tr = rf.querySelector('tr');
        if (!tr) return;
        tbodyU.appendChild(tr);
        setB2RowValues(tr, row || {});
        wireRow(tr, tbodyU);
        rowVariance(tr);
    }

    window.pmsB2ReplaceUnitWiseRows = function (units) {
        if (getMode() !== 'unit_wise' || !unitsContainer || !tplUnitBlock || !tplUnitRow) return false;
        if (!Array.isArray(units) || !units.length) return false;
        unitsContainer.innerHTML = '';
        units.forEach(function (unit) {
            var frag = document.importNode(tplUnitBlock.content, true);
            var unitEl = frag.querySelector('.report-b2-unit-block');
            if (!unitEl) return;
            var nameInp = unitEl.querySelector('.report-b2-unit-name-input');
            if (nameInp) nameInp.value = unit.unit_name != null ? String(unit.unit_name) : '';
            var unitRows = Array.isArray(unit.rows) && unit.rows.length ? unit.rows : [{}];
            unitRows.forEach(function (row) { appendUnitRowFromData(unitEl, row); });
            unitsContainer.appendChild(unitEl);
            initUnitBlockInteractions(unitEl);
            recalcUnitBlockTotals(unitEl);
        });
        renumberUnitBlocks();
        recalcAllUnitTotals();
        return true;
    };

    var excelTemplateBase = @json(route('reports.part-b.scheme-progress-capital.excel-template'));
    function syncB2ExcelTemplateLink() {
        var link = document.getElementById('report-b2-excel-template-link');
        var m = getMode();
        var fmt = getTableFormat();
        if (link) {
            var q = (excelTemplateBase.indexOf('?') >= 0 ? '&' : '?') + 'mode=' + encodeURIComponent(m);
            if (b2ExtendedAvailable) {
                q += '&format=' + encodeURIComponent(fmt);
            }
            link.href = excelTemplateBase + q;
        }
    }
    syncB2ExcelTemplateLink();

    btnAdd.addEventListener('click', function () {
        appendSingleRowFromData({});
        recalcSingleTotals();
        var tr = tbody.querySelector('.report-b2-data-row:not(.report-b2-unit-data-row):last-child');
        var inp = tr && tr.querySelector('input[name*="[major_unit_component]"]');
        if (inp) inp.focus();
    });

    var excelBtn = document.getElementById('report-b2-excel-import-btn');
    var excelFile = document.getElementById('report-b2-excel-import-file');
    if (excelBtn && excelFile) {
        excelBtn.addEventListener('click', function () { excelFile.click(); });
        excelFile.addEventListener('change', function () {
            var file = excelFile.files && excelFile.files[0];
            excelFile.value = '';
            if (!file) return;
            var fd = new FormData();
            fd.append('file', file);
            fd.append('mode', getMode());
            if (b2ExtendedAvailable) {
                fd.append('format', getTableFormat());
            }
            var csrf = document.querySelector('meta[name="csrf-token"]');
            if (csrf) fd.append('_token', csrf.getAttribute('content'));
            excelBtn.disabled = true;
            fetch(@json(route('reports.part-b.scheme-progress-capital.excel-import')), {
                method: 'POST',
                body: fd,
                headers: { Accept: 'application/json', 'X-Requested-With': 'XMLHttpRequest' }
            })
                .then(function (r) { return r.json().then(function (d) { return { ok: r.ok, data: d }; }); })
                .then(function (res) {
                    if (!res.ok || !res.data) {
                        throw new Error((res.data && res.data.message) ? res.data.message : 'Import failed.');
                    }
                    var mode = res.data.mode || getMode();
                    var fmt = res.data.format || getTableFormat();
                    var ok = false;
                    var n = 0;
                    if (mode === 'unit_wise') {
                        if (fmt === 'extended' && typeof window.pmsB2ReplaceExtUnitWiseRows === 'function') {
                            ok = window.pmsB2ReplaceExtUnitWiseRows(res.data.units);
                        } else {
                            ok = window.pmsB2ReplaceUnitWiseRows(res.data.units);
                        }
                        (res.data.units || []).forEach(function (u) {
                            n += (u.rows && u.rows.length) ? u.rows.length : 0;
                        });
                    } else {
                        if (fmt === 'extended' && typeof window.pmsB2ReplaceExtSingleRows === 'function') {
                            ok = window.pmsB2ReplaceExtSingleRows(res.data.rows);
                        } else {
                            ok = window.pmsB2ReplaceSingleRows(res.data.rows);
                        }
                        n = (res.data.rows && res.data.rows.length) ? res.data.rows.length : 0;
                    }
                    if (!ok) {
                        var needLabel = mode === 'unit_wise' ? 'Unit-wise' : 'Single';
                        throw new Error('Switch to ' + needLabel + ' reporting structure before importing this file.');
                    }
                    var msg = n + ' row(s) imported.';
                    if (typeof Swal !== 'undefined' && Swal.fire) {
                        Swal.fire({ icon: 'success', title: @json(__('Imported')), text: msg, timer: 2200, showConfirmButton: false });
                    } else {
                        alert(msg);
                    }
                })
                .catch(function (e) {
                    alert(e && e.message ? e.message : 'Import failed.');
                })
                .finally(function () { excelBtn.disabled = false; });
        });
    }

    function initUnitBlockInteractions(unitEl) {
        if (!unitEl || !unitsContainer || !tplUnitRow) return;
        var rmU = unitEl.querySelector('.report-b2-remove-unit');
        if (rmU) {
            rmU.addEventListener('click', function () {
                if (unitsContainer.querySelectorAll('.report-b2-unit-block').length <= 1) return;
                unitEl.parentNode.removeChild(unitEl);
                renumberUnitBlocks();
                recalcAllUnitTotals();
            });
        }
        var addR = unitEl.querySelector('.report-b2-unit-add-row');
        if (addR) {
            addR.addEventListener('click', function () {
                var tbodyU = unitEl.querySelector('.report-b2-unit-tbody');
                if (!tbodyU || !tplUnitRow) return;
                var uix = Array.prototype.indexOf.call(unitsContainer.querySelectorAll('.report-b2-unit-block'), unitEl);
                var rix = tbodyU.querySelectorAll('.report-b2-unit-data-row').length;
                var rf = document.importNode(tplUnitRow.content, true);
                var t2 = rf.querySelector('tr');
                if (!t2) return;
                t2.querySelectorAll('[name]').forEach(function (el) {
                    el.name = el.name.replace(/__U__/g, String(uix)).replace(/__R__/g, String(rix));
                });
                tbodyU.appendChild(t2);
                renumberUnitBlocks();
                wireRow(t2, tbodyU);
                rowVariance(t2);
                recalcUnitBlockTotals(unitEl);
            });
        }
    }

    function appendUnitFromTemplate() {
        if (!tplUnitBlock || !unitsContainer || !tplUnitRow) return;
        var uIdx = unitsContainer.querySelectorAll('.report-b2-unit-block').length;
        var frag = document.importNode(tplUnitBlock.content, true);
        var unitEl = frag.querySelector('.report-b2-unit-block');
        if (!unitEl) return;
        unitEl.querySelectorAll('[name]').forEach(function (el) {
            el.name = el.name.replace(/__U__/g, String(uIdx));
        });
        var utbody = unitEl.querySelector('.report-b2-unit-tbody');
        var rfrag = document.importNode(tplUnitRow.content, true);
        var tr = rfrag.querySelector('tr');
        if (tr && utbody) {
            tr.querySelectorAll('[name]').forEach(function (el) {
                el.name = el.name.replace(/__U__/g, String(uIdx)).replace(/__R__/g, '0');
            });
            utbody.appendChild(tr);
            wireRow(tr, utbody);
            rowVariance(tr);
        }
        unitsContainer.appendChild(unitEl);
        renumberUnitBlocks();
        initUnitBlockInteractions(unitEl);
        wireManualTotalInputs(unitEl);
        recalcUnitBlockTotals(unitEl);
    }

    if (tplUnitBlock && unitsContainer && tplUnitRow) {
        unitsContainer.addEventListener('click', function (e) {
            var btn = e.target && e.target.closest ? e.target.closest('.report-b2-add-unit') : null;
            if (!btn) return;
            e.preventDefault();
            appendUnitFromTemplate();
        });
        unitsContainer.querySelectorAll('.report-b2-unit-block').forEach(function (unitEl) {
            unitEl.querySelectorAll('.report-b2-unit-data-row').forEach(function (tr) {
                wireRow(tr, unitEl.querySelector('.report-b2-unit-tbody'));
                normalizePctInput(tr.querySelector('.report-b2-js-pp'));
                normalizePctInput(tr.querySelector('.report-b2-js-fp'));
                rowVariance(tr);
            });
            initUnitBlockInteractions(unitEl);
        });
        renumberUnitBlocks();
        recalcAllUnitTotals();
    }

    function readB2ExtRowFromTr(tr) {
        function val(sel) {
            var el = tr.querySelector(sel);
            return el && el.value != null ? String(el.value) : '';
        }
        return {
            major_unit_component: val('input[name*="[major_unit_component]"]'),
            qty_pc_i: val('.report-b2-js-qty-pci'),
            amount_pc_i: val('.report-b2-js-amount-pci'),
            qty_ts: val('.report-b2-js-qty-ts'),
            amount_ts: val('.report-b2-js-amount-ts'),
            qty_mb: val('.report-b2-js-qty-mb'),
            payment_mb: val('.report-b2-js-pay'),
            pp_pct: val('.report-b2-js-pp'),
            fp_pct: val('.report-b2-js-fp'),
            variance_pp_fp: val('.report-b2-variance-out')
        };
    }

    function mapStandardRowToExtended(row) {
        row = row || {};
        return {
            major_unit_component: row.major_unit_component || '',
            qty_pc_i: row.qty_pc_i || '',
            amount_pc_i: row.amount_pc_i || row.total_cost || '',
            qty_ts: row.qty_ts || '',
            amount_ts: row.amount_ts || '',
            qty_mb: row.qty_mb || '',
            payment_mb: row.payment_mb || '',
            pp_pct: row.pp_pct || '',
            fp_pct: row.fp_pct || '',
            variance_pp_fp: row.variance_pp_fp || ''
        };
    }

    function mapExtendedRowToStandard(row) {
        row = row || {};
        return {
            major_unit_component: row.major_unit_component || '',
            unit: row.unit || '',
            qty_pc_i: row.qty_pc_i || '',
            qty_ts: row.qty_ts || '',
            total_cost: row.total_cost || row.amount_pc_i || '',
            payment_mb: row.payment_mb || '',
            pp_pct: row.pp_pct || '',
            fp_pct: row.fp_pct || '',
            variance_pp_fp: row.variance_pp_fp || ''
        };
    }

    function rebuildExtSingleRows(rows) {
        if (!extTbody || !tplExtRow) return;
        extTbody.innerHTML = '';
        (rows || [{}]).forEach(function (row) {
            var frag = document.importNode(tplExtRow.content, true);
            var tr = frag.querySelector('tr');
            if (!tr) return;
            extTbody.appendChild(tr);
            setB2ExtRowValues(tr, row);
            wireExtRow(tr, null);
            rowVariance(tr);
        });
        renumberExtSingleRows();
        recalcExtSingleTotals();
    }

    function setB2ExtRowValues(tr, row) {
        var fields = [
            ['major_unit_component', 'input[name*="[major_unit_component]"]'],
            ['qty_pc_i', '.report-b2-js-qty-pci'],
            ['amount_pc_i', '.report-b2-js-amount-pci'],
            ['qty_ts', '.report-b2-js-qty-ts'],
            ['amount_ts', '.report-b2-js-amount-ts'],
            ['qty_mb', '.report-b2-js-qty-mb'],
            ['payment_mb', '.report-b2-js-pay'],
            ['pp_pct', '.report-b2-js-pp'],
            ['fp_pct', '.report-b2-js-fp']
        ];
        fields.forEach(function (pair) {
            var el = tr.querySelector(pair[1]);
            if (el && row[pair[0]] != null && String(row[pair[0]]) !== '') {
                el.value = String(row[pair[0]]);
                if (pair[0] === 'pp_pct' || pair[0] === 'fp_pct') {
                    normalizePctInput(el);
                }
            }
        });
    }

    function renumberExtSingleRows() {
        if (!extTbody) return;
        var rows = extTbody.querySelectorAll('.report-b2-ext-data-row');
        rows.forEach(function (tr, i) {
            tr.setAttribute('data-row-index', String(i));
            var sn = tr.querySelector('.report-b2-serial-num');
            if (sn) sn.textContent = String(i + 1);
            tr.querySelectorAll('[name]').forEach(function (el) {
                el.name = el.name.replace(/rows\]\[(?:\d+|__R__)\]/, 'rows][' + i + ']');
            });
            var rm = tr.querySelector('.report-b2-ext-remove-row');
            if (rm) rm.style.visibility = rows.length <= 1 ? 'hidden' : 'visible';
        });
    }

    function recalcExtSingleTotals() {
        if (!extTbody) return;
        var rows = extTbody.querySelectorAll('.report-b2-ext-data-row');
        var sumAmtPc = 0, sumAmtTs = 0, sumPay = 0;
        var anyAmtPc = false, anyAmtTs = false, anyPay = false;
        rows.forEach(function (tr) {
            var a1 = parseNum(tr.querySelector('.report-b2-js-amount-pci') && tr.querySelector('.report-b2-js-amount-pci').value);
            var a2 = parseNum(tr.querySelector('.report-b2-js-amount-ts') && tr.querySelector('.report-b2-js-amount-ts').value);
            var d = parseNum(tr.querySelector('.report-b2-js-pay') && tr.querySelector('.report-b2-js-pay').value);
            if (!isNaN(a1)) { sumAmtPc += a1; anyAmtPc = true; }
            if (!isNaN(a2)) { sumAmtTs += a2; anyAmtTs = true; }
            if (!isNaN(d)) { sumPay += d; anyPay = true; }
        });
        var set = function (id, val, n) {
            var el = document.getElementById(id);
            if (el) { el.textContent = val; applyNegStyle(el, n); }
        };
        set('report-b2-ext-total-qty-pci', '—', NaN);
        set('report-b2-ext-total-amount-pci', anyAmtPc ? fmtNum(sumAmtPc) : '—', anyAmtPc ? sumAmtPc : NaN);
        set('report-b2-ext-total-qty-ts', '—', NaN);
        set('report-b2-ext-total-amount-ts', anyAmtTs ? fmtNum(sumAmtTs) : '—', anyAmtTs ? sumAmtTs : NaN);
        set('report-b2-ext-total-qty-mb', '—', NaN);
        set('report-b2-ext-total-pay', anyPay ? fmtNum(sumPay) : '—', anyPay ? sumPay : NaN);
        syncManualTotalVariance(
            document.getElementById('report-b2-ext-total-pp'),
            document.getElementById('report-b2-ext-total-fp'),
            document.getElementById('report-b2-ext-total-var')
        );
    }

    function wireExtRow(tr, utbody) {
        wireRow(tr, utbody);
        var rm = tr.querySelector('.report-b2-ext-remove-row');
        if (rm && !rm._b2ExtBound) {
            rm._b2ExtBound = true;
            rm.addEventListener('click', function () {
                var body = utbody || extTbody;
                if (!body) return;
                var sel = utbody ? '.report-b2-ext-unit-data-row' : '.report-b2-ext-data-row';
                if (body.querySelectorAll(sel).length <= 1) return;
                tr.parentNode.removeChild(tr);
                if (utbody) {
                    renumberExtUnitBlocks();
                    utbody.querySelectorAll('.report-b2-ext-unit-data-row').forEach(rowVariance);
                    recalcExtUnitBlockTotals(tr.closest('.report-b2-ext-unit-block'));
                } else {
                    renumberExtSingleRows();
                    extTbody.querySelectorAll('.report-b2-ext-data-row').forEach(rowVariance);
                    recalcExtSingleTotals();
                }
            });
        }
    }

    function renumberExtUnitBlocks() {
        if (!unitsExtContainer) return;
        unitsExtContainer.querySelectorAll('.report-b2-ext-unit-block').forEach(function (unitEl, uIdx) {
            var nm = unitEl.querySelector('.report-b2-unit-name-input');
            if (nm) nm.name = 'report[part_b][scheme_progress_capital][units][' + uIdx + '][unit_name]';
            unitEl.querySelectorAll('tfoot [name]').forEach(function (el) {
                el.name = el.name.replace(/units\]\[(?:\d+|__U__)\]\[totals\]/, 'units][' + uIdx + '][totals]');
            });
            var utbody = unitEl.querySelector('.report-b2-ext-unit-tbody');
            if (!utbody) return;
            utbody.querySelectorAll('.report-b2-ext-unit-data-row').forEach(function (tr, rIdx) {
                tr.setAttribute('data-row-index', String(rIdx));
                var sn = tr.querySelector('.report-b2-serial-num');
                if (sn) sn.textContent = String(rIdx + 1);
                tr.querySelectorAll('[name]').forEach(function (el) {
                    el.name = el.name.replace(/units\]\[(?:\d+|__U__)\]\[rows\]\[(?:\d+|__R__)\]/, 'units][' + uIdx + '][rows][' + rIdx + ']');
                });
                var rm = tr.querySelector('.report-b2-ext-remove-row');
                var n = utbody.querySelectorAll('.report-b2-ext-unit-data-row').length;
                if (rm) rm.style.visibility = n <= 1 ? 'hidden' : 'visible';
            });
            var rmUnit = unitEl.querySelector('.report-b2-ext-remove-unit');
            if (rmUnit) rmUnit.style.visibility = unitsExtContainer.querySelectorAll('.report-b2-ext-unit-block').length <= 1 ? 'hidden' : 'visible';
        });
    }

    function recalcExtUnitBlockTotals(unitEl) {
        if (!unitEl) return;
        var utbody = unitEl.querySelector('.report-b2-ext-unit-tbody');
        if (!utbody) return;
        var rows = utbody.querySelectorAll('.report-b2-ext-unit-data-row');
        var sumAmtPc = 0, sumAmtTs = 0, sumPay = 0;
        var anyAmtPc = false, anyAmtTs = false, anyPay = false;
        rows.forEach(function (tr) {
            var a1 = parseNum(tr.querySelector('.report-b2-js-amount-pci') && tr.querySelector('.report-b2-js-amount-pci').value);
            var a2 = parseNum(tr.querySelector('.report-b2-js-amount-ts') && tr.querySelector('.report-b2-js-amount-ts').value);
            var d = parseNum(tr.querySelector('.report-b2-js-pay') && tr.querySelector('.report-b2-js-pay').value);
            if (!isNaN(a1)) { sumAmtPc += a1; anyAmtPc = true; }
            if (!isNaN(a2)) { sumAmtTs += a2; anyAmtTs = true; }
            if (!isNaN(d)) { sumPay += d; anyPay = true; }
        });
        var foot = unitEl.querySelector('tfoot');
        if (!foot) return;
        var setSpan = function (cls, txt, n) {
            var el = foot.querySelector('.' + cls);
            if (el) { el.textContent = txt; applyNegStyle(el, n); }
        };
        setSpan('report-b2-ext-unit-total-qty-pci', '—', NaN);
        setSpan('report-b2-ext-unit-total-amount-pci', anyAmtPc ? fmtNum(sumAmtPc) : '—', anyAmtPc ? sumAmtPc : NaN);
        setSpan('report-b2-ext-unit-total-qty-ts', '—', NaN);
        setSpan('report-b2-ext-unit-total-amount-ts', anyAmtTs ? fmtNum(sumAmtTs) : '—', anyAmtTs ? sumAmtTs : NaN);
        setSpan('report-b2-ext-unit-total-qty-mb', '—', NaN);
        setSpan('report-b2-ext-unit-total-pay', anyPay ? fmtNum(sumPay) : '—', anyPay ? sumPay : NaN);
        syncManualTotalVariance(
            foot.querySelector('.report-b2-ext-unit-total-pp'),
            foot.querySelector('.report-b2-ext-unit-total-fp'),
            foot.querySelector('.report-b2-ext-unit-total-var')
        );
    }

    function syncB2TableFormatPanels(fromFmt, toFmt) {
        if (!b2ExtendedAvailable || fromFmt === toFmt) return;
        if (getMode() === 'single') {
            var stdRows = [];
            tbody.querySelectorAll('.report-b2-data-row:not(.report-b2-unit-data-row):not(.report-b2-ext-data-row)').forEach(function (tr) {
                stdRows.push(readB2RowFromTr(tr));
            });
            var stdSingleWrap = document.getElementById('report-b2-single-standard-wrap');
            var extSingleWrap = document.getElementById('report-b2-single-extended-wrap');
            if (toFmt === 'extended') {
                var stdTotalsPp = stdSingleWrap && stdSingleWrap.querySelector('.report-b2-total-pp-input');
                var stdTotalsFp = stdSingleWrap && stdSingleWrap.querySelector('.report-b2-total-fp-input');
                var keepPp = stdTotalsPp ? stdTotalsPp.value : '';
                var keepFp = stdTotalsFp ? stdTotalsFp.value : '';
                rebuildExtSingleRows(stdRows.map(mapStandardRowToExtended));
                var extPp = extSingleWrap && extSingleWrap.querySelector('.report-b2-total-pp-input');
                var extFp = extSingleWrap && extSingleWrap.querySelector('.report-b2-total-fp-input');
                if (extPp) extPp.value = keepPp;
                if (extFp) extFp.value = keepFp;
                recalcExtSingleTotals();
            } else if (fromFmt === 'extended' && extTbody) {
                var extTotalsPp = extSingleWrap && extSingleWrap.querySelector('.report-b2-total-pp-input');
                var extTotalsFp = extSingleWrap && extSingleWrap.querySelector('.report-b2-total-fp-input');
                var keepExtPp = extTotalsPp ? extTotalsPp.value : '';
                var keepExtFp = extTotalsFp ? extTotalsFp.value : '';
                var extRows = [];
                extTbody.querySelectorAll('.report-b2-ext-data-row').forEach(function (tr) {
                    extRows.push(readB2ExtRowFromTr(tr));
                });
                tbody.innerHTML = '';
                extRows.forEach(function (row) {
                    appendSingleRowFromData(mapExtendedRowToStandard(row));
                });
                var stdPp = stdSingleWrap && stdSingleWrap.querySelector('.report-b2-total-pp-input');
                var stdFp = stdSingleWrap && stdSingleWrap.querySelector('.report-b2-total-fp-input');
                if (stdPp) stdPp.value = keepExtPp;
                if (stdFp) stdFp.value = keepExtFp;
                recalcSingleTotals();
            }
        } else if (getMode() === 'unit_wise') {
            if (toFmt === 'extended' && unitsContainer && unitsExtContainer) {
                var stdUnits = [];
                unitsContainer.querySelectorAll('.report-b2-unit-block:not(.report-b2-ext-unit-block)').forEach(function (unitEl) {
                    var nameInp = unitEl.querySelector('.report-b2-unit-name-input');
                    var unitRows = [];
                    var utbody = unitEl.querySelector('.report-b2-unit-tbody');
                    if (utbody) {
                        utbody.querySelectorAll('.report-b2-unit-data-row').forEach(function (tr) {
                            unitRows.push(mapStandardRowToExtended(readB2RowFromTr(tr)));
                        });
                    }
                    var upp = unitEl.querySelector('tfoot .report-b2-total-pp-input');
                    var ufp = unitEl.querySelector('tfoot .report-b2-total-fp-input');
                    stdUnits.push({
                        unit_name: nameInp ? String(nameInp.value || '') : '',
                        rows: unitRows.length ? unitRows : [mapStandardRowToExtended(emptyB2Row())],
                        totals: { pp_pct: upp ? upp.value : '', fp_pct: ufp ? ufp.value : '' }
                    });
                });
                rebuildExtUnitBlocks(stdUnits);
            } else if (fromFmt === 'extended' && unitsExtContainer && unitsContainer && tplUnitBlock && tplUnitRow) {
                var extUnits = [];
                unitsExtContainer.querySelectorAll('.report-b2-ext-unit-block').forEach(function (unitEl) {
                    var nameInp = unitEl.querySelector('.report-b2-unit-name-input');
                    var unitRows = [];
                    var utbody = unitEl.querySelector('.report-b2-ext-unit-tbody');
                    if (utbody) {
                        utbody.querySelectorAll('.report-b2-ext-unit-data-row').forEach(function (tr) {
                            unitRows.push(mapExtendedRowToStandard(readB2ExtRowFromTr(tr)));
                        });
                    }
                    var upp2 = unitEl.querySelector('tfoot .report-b2-total-pp-input');
                    var ufp2 = unitEl.querySelector('tfoot .report-b2-total-fp-input');
                    extUnits.push({
                        unit_name: nameInp ? String(nameInp.value || '') : '',
                        rows: unitRows.length ? unitRows : [emptyB2Row()],
                        totals: { pp_pct: upp2 ? upp2.value : '', fp_pct: ufp2 ? ufp2.value : '' }
                    });
                });
                unitsContainer.innerHTML = '';
                extUnits.forEach(function (unit) {
                    var frag = document.importNode(tplUnitBlock.content, true);
                    var unitEl = frag.querySelector('.report-b2-unit-block');
                    if (!unitEl) return;
                    var nameInp2 = unitEl.querySelector('.report-b2-unit-name-input');
                    if (nameInp2) nameInp2.value = unit.unit_name != null ? String(unit.unit_name) : '';
                    var unitRows2 = Array.isArray(unit.rows) && unit.rows.length ? unit.rows : [{}];
                    unitRows2.forEach(function (row) { appendUnitRowFromData(unitEl, row); });
                    var tpp = unitEl.querySelector('tfoot .report-b2-total-pp-input');
                    var tfp = unitEl.querySelector('tfoot .report-b2-total-fp-input');
                    if (tpp && unit.totals) tpp.value = unit.totals.pp_pct || '';
                    if (tfp && unit.totals) tfp.value = unit.totals.fp_pct || '';
                    unitsContainer.appendChild(unitEl);
                    initUnitBlockInteractions(unitEl);
                    wireManualTotalInputs(unitEl);
                    recalcUnitBlockTotals(unitEl);
                });
                renumberUnitBlocks();
                recalcAllUnitTotals();
            }
        }
        window.pmsApplyB2UnitModePanels();
        syncB2ExcelTemplateLink();
        wireManualTotalInputs(root);
    }

    function syncB2TableFormatRadios(val) {
        document.querySelectorAll('#report-b2-root .pms-report-b2-table-format-radio').forEach(function (x) {
            x.checked = (x.value === val);
        });
    }

    document.querySelectorAll('#report-b2-root .pms-report-b2-table-format-radio').forEach(function (r) {
        r.addEventListener('change', function () {
            if (!r.checked) return;
            var prev = getTableFormat();
            var h = tableFormatHidden();
            if (h) h.value = r.value;
            syncB2TableFormatRadios(r.value);
            syncB2TableFormatPanels(prev, r.value);
        });
    });

    window.pmsB2ReplaceExtSingleRows = function (rows) {
        if (getMode() !== 'single' || !isExtendedFormat()) return false;
        if (!Array.isArray(rows) || !rows.length) return false;
        rebuildExtSingleRows(rows);
        return true;
    };

    function appendExtUnitRowFromData(unitEl, row) {
        var tbodyU = unitEl.querySelector('.report-b2-ext-unit-tbody');
        if (!tbodyU || !tplExtUnitRow) return;
        var rf = document.importNode(tplExtUnitRow.content, true);
        var tr = rf.querySelector('tr');
        if (!tr) return;
        tbodyU.appendChild(tr);
        setB2ExtRowValues(tr, row || {});
        wireExtRow(tr, tbodyU);
        rowVariance(tr);
    }

    function rebuildExtUnitBlocks(units) {
        if (!unitsExtContainer || !tplExtUnitBlock || !tplExtUnitRow) return;
        unitsExtContainer.innerHTML = '';
        (units || [{}]).forEach(function (unit) {
            var frag = document.importNode(tplExtUnitBlock.content, true);
            var unitEl = frag.querySelector('.report-b2-ext-unit-block');
            if (!unitEl) return;
            var nameInp = unitEl.querySelector('.report-b2-unit-name-input');
            if (nameInp) nameInp.value = unit.unit_name != null ? String(unit.unit_name) : '';
            var unitRows = Array.isArray(unit.rows) && unit.rows.length ? unit.rows : [{}];
            unitRows.forEach(function (row) { appendExtUnitRowFromData(unitEl, row); });
            var tpp = unitEl.querySelector('tfoot .report-b2-total-pp-input');
            var tfp = unitEl.querySelector('tfoot .report-b2-total-fp-input');
            if (tpp && unit.totals) tpp.value = unit.totals.pp_pct != null ? String(unit.totals.pp_pct) : '';
            if (tfp && unit.totals) tfp.value = unit.totals.fp_pct != null ? String(unit.totals.fp_pct) : '';
            unitsExtContainer.appendChild(unitEl);
            initExtUnitBlockInteractions(unitEl);
            wireManualTotalInputs(unitEl);
            recalcExtUnitBlockTotals(unitEl);
        });
        renumberExtUnitBlocks();
    }

    window.pmsB2ReplaceExtUnitWiseRows = function (units) {
        if (getMode() !== 'unit_wise' || !isExtendedFormat()) return false;
        if (!Array.isArray(units) || !units.length) return false;
        rebuildExtUnitBlocks(units);
        return true;
    };

    function appendExtUnitFromTemplate() {
        if (!tplExtUnitBlock || !unitsExtContainer || !tplExtUnitRow) return;
        var uIdx = unitsExtContainer.querySelectorAll('.report-b2-ext-unit-block').length;
        var frag = document.importNode(tplExtUnitBlock.content, true);
        var unitEl = frag.querySelector('.report-b2-ext-unit-block');
        if (!unitEl) return;
        unitEl.querySelectorAll('[name]').forEach(function (el) {
            el.name = el.name.replace(/__U__/g, String(uIdx));
        });
        var utbody = unitEl.querySelector('.report-b2-ext-unit-tbody');
        var rfrag = document.importNode(tplExtUnitRow.content, true);
        var tr = rfrag.querySelector('tr');
        if (tr && utbody) {
            tr.querySelectorAll('[name]').forEach(function (el) {
                el.name = el.name.replace(/__U__/g, String(uIdx)).replace(/__R__/g, '0');
            });
            utbody.appendChild(tr);
            wireExtRow(tr, utbody);
            rowVariance(tr);
        }
        unitsExtContainer.appendChild(unitEl);
        renumberExtUnitBlocks();
        initExtUnitBlockInteractions(unitEl);
        wireManualTotalInputs(unitEl);
        recalcExtUnitBlockTotals(unitEl);
    }

    function initExtUnitBlockInteractions(unitEl) {
        if (!unitEl || !unitsExtContainer || !tplExtUnitRow) return;
        var rmU = unitEl.querySelector('.report-b2-ext-remove-unit');
        if (rmU && !rmU._b2ExtBound) {
            rmU._b2ExtBound = true;
            rmU.addEventListener('click', function () {
                if (unitsExtContainer.querySelectorAll('.report-b2-ext-unit-block').length <= 1) return;
                unitEl.parentNode.removeChild(unitEl);
                renumberExtUnitBlocks();
            });
        }
        var addR = unitEl.querySelector('.report-b2-ext-unit-add-row');
        if (addR && !addR._b2ExtBound) {
            addR._b2ExtBound = true;
            addR.addEventListener('click', function () {
                var tbodyU = unitEl.querySelector('.report-b2-ext-unit-tbody');
                if (!tbodyU || !tplExtUnitRow) return;
                var uix = Array.prototype.indexOf.call(unitsExtContainer.querySelectorAll('.report-b2-ext-unit-block'), unitEl);
                var rix = tbodyU.querySelectorAll('.report-b2-ext-unit-data-row').length;
                var rf = document.importNode(tplExtUnitRow.content, true);
                var t2 = rf.querySelector('tr');
                if (!t2) return;
                t2.querySelectorAll('[name]').forEach(function (el) {
                    el.name = el.name.replace(/__U__/g, String(uix)).replace(/__R__/g, String(rix));
                });
                tbodyU.appendChild(t2);
                renumberExtUnitBlocks();
                wireExtRow(t2, tbodyU);
                rowVariance(t2);
                recalcExtUnitBlockTotals(unitEl);
            });
        }
    }

    if (extTbody && tplExtRow) {
        extTbody.querySelectorAll('.report-b2-ext-data-row').forEach(function (tr) {
            wireExtRow(tr, null);
            normalizePctInput(tr.querySelector('.report-b2-js-pp'));
            normalizePctInput(tr.querySelector('.report-b2-js-fp'));
            rowVariance(tr);
        });
        renumberExtSingleRows();
        recalcExtSingleTotals();
    }
    if (btnExtAdd && extTbody && tplExtRow) {
        btnExtAdd.addEventListener('click', function () {
            var frag = document.importNode(tplExtRow.content, true);
            var tr = frag.querySelector('tr');
            if (!tr) return;
            extTbody.appendChild(tr);
            renumberExtSingleRows();
            wireExtRow(tr, null);
            rowVariance(tr);
            recalcExtSingleTotals();
        });
    }
    if (unitsExtContainer) {
        unitsExtContainer.addEventListener('click', function (e) {
            var btn = e.target && e.target.closest ? e.target.closest('.report-b2-ext-add-unit') : null;
            if (!btn) return;
            e.preventDefault();
            appendExtUnitFromTemplate();
        });
        unitsExtContainer.querySelectorAll('.report-b2-ext-unit-block').forEach(function (unitEl) {
            unitEl.querySelectorAll('.report-b2-ext-unit-data-row').forEach(function (tr) {
                wireExtRow(tr, unitEl.querySelector('.report-b2-ext-unit-tbody'));
                normalizePctInput(tr.querySelector('.report-b2-js-pp'));
                normalizePctInput(tr.querySelector('.report-b2-js-fp'));
                rowVariance(tr);
            });
            initExtUnitBlockInteractions(unitEl);
            recalcExtUnitBlockTotals(unitEl);
        });
        renumberExtUnitBlocks();
    }

    document.querySelectorAll('#report-b2-root .pms-report-unit-mode-radio[name="b2_reporting_structure"]').forEach(function (r) {
        r.addEventListener('change', function () {
            if (!r.checked) return;
            var h = modeHidden();
            if (h) h.value = r.value;
            var legacy = document.getElementById('pms-report-unit-reporting-mode');
            if (legacy) legacy.value = r.value;
            window.pmsApplyB2UnitModePanels();
            if (typeof syncB2ExcelTemplateLink === 'function') syncB2ExcelTemplateLink();
        });
    });

    function emptyB2Row() {
        return {
            major_unit_component: '',
            unit: '',
            qty_pc_i: '',
            qty_ts: '',
            total_cost: '',
            payment_mb: '',
            pp_pct: '',
            fp_pct: '',
            variance_pp_fp: ''
        };
    }

    function readB2RowFromTr(tr) {
        function val(sel) {
            var el = tr.querySelector(sel);
            return el && el.value != null ? String(el.value) : '';
        }
        return {
            major_unit_component: val('input[name*="[major_unit_component]"]'),
            unit: val('.report-b2-js-unit'),
            qty_pc_i: val('.report-b2-js-qty-pci'),
            qty_ts: val('.report-b2-js-qty-ts'),
            total_cost: val('.report-b2-js-cost'),
            payment_mb: val('.report-b2-js-pay'),
            pp_pct: val('.report-b2-js-pp'),
            fp_pct: val('.report-b2-js-fp'),
            variance_pp_fp: val('.report-b2-variance-out')
        };
    }

    /** Reliable draft payload for Part B §2 (DOM walk; ignores disabled state). */
    window.pmsCollectB2SchemeProgressCapital = function () {
        renumberSingleRows();
        if (typeof renumberExtSingleRows === 'function') renumberExtSingleRows();
        if (typeof renumberExtUnitBlocks === 'function') renumberExtUnitBlocks();
        var fmt = getTableFormat();
        var rows = [];
        if (fmt === 'extended' && extTbody) {
            extTbody.querySelectorAll('.report-b2-ext-data-row').forEach(function (tr) {
                rows.push(readB2ExtRowFromTr(tr));
            });
        } else if (tbody) {
            tbody.querySelectorAll('.report-b2-data-row:not(.report-b2-unit-data-row):not(.report-b2-ext-data-row)').forEach(function (tr) {
                rows.push(readB2RowFromTr(tr));
            });
        }
        if (rows.length === 0) {
            rows.push(fmt === 'extended' ? mapStandardRowToExtended(emptyB2Row()) : emptyB2Row());
        }
        var units = [];
        var activeUnitsContainer = (fmt === 'extended' && unitsExtContainer) ? unitsExtContainer : unitsContainer;
        if (activeUnitsContainer) {
            var unitSelector = fmt === 'extended' ? '.report-b2-ext-unit-block' : '.report-b2-unit-block:not(.report-b2-ext-unit-block)';
            var rowSelector = fmt === 'extended' ? '.report-b2-ext-unit-data-row' : '.report-b2-unit-data-row';
            activeUnitsContainer.querySelectorAll(unitSelector).forEach(function (unitEl) {
                var nameInp = unitEl.querySelector('.report-b2-unit-name-input');
                var unitRows = [];
                var utbody = unitEl.querySelector(fmt === 'extended' ? '.report-b2-ext-unit-tbody' : '.report-b2-unit-tbody');
                if (utbody) {
                    utbody.querySelectorAll(rowSelector).forEach(function (tr) {
                        unitRows.push(fmt === 'extended' ? readB2ExtRowFromTr(tr) : readB2RowFromTr(tr));
                    });
                }
                if (unitRows.length === 0) {
                    unitRows.push(fmt === 'extended' ? mapStandardRowToExtended(emptyB2Row()) : emptyB2Row());
                }
                units.push({
                    unit_name: nameInp ? String(nameInp.value || '') : '',
                    rows: unitRows,
                    totals: (function () {
                        var pp = unitEl.querySelector('tfoot .report-b2-total-pp-input');
                        var fp = unitEl.querySelector('tfoot .report-b2-total-fp-input');
                        return { pp_pct: pp ? String(pp.value || '') : '', fp_pct: fp ? String(fp.value || '') : '' };
                    })()
                });
            });
        }
        var activeSingleWrap = (fmt === 'extended')
            ? document.getElementById('report-b2-single-extended-wrap')
            : document.getElementById('report-b2-single-standard-wrap');
        var totPp = activeSingleWrap && activeSingleWrap.querySelector('.report-b2-total-pp-input');
        var totFp = activeSingleWrap && activeSingleWrap.querySelector('.report-b2-total-fp-input');
        return {
            reporting_mode: getMode(),
            table_format: fmt,
            rows: rows,
            units: units,
            totals: { pp_pct: totPp ? String(totPp.value || '') : '', fp_pct: totFp ? String(totFp.value || '') : '' }
        };
    };

    syncB2TableFormatRadios(getTableFormat());
    window.pmsApplyB2UnitModePanels();
    renumberSingleRows();
    renumberUnitBlocks();
    wireManualTotalInputs(root);
    recalcSingleTotals();
    if (typeof recalcExtSingleTotals === 'function') recalcExtSingleTotals();
    recalcAllUnitTotals();
})();
</script>
@endpush