@php
    $isGroup    = $pos->children->isNotEmpty();
    $isOptional = (bool) $pos->is_optional;
@endphp
<tr style="{{ $isOptional ? 'color:#888;' : '' }}">
    <td style="vertical-align:top; padding:3px 4px 3px 0; white-space:nowrap; font-size:10pt; border-bottom:1px solid #e8e8e8; font-weight:{{ $isGroup ? 'bold' : 'normal' }};">
        {{ $pos->pos_number }}
    </td>
    <td style="vertical-align:top; padding:3px 6px; font-size:10pt; border-bottom:1px solid #e8e8e8; font-weight:{{ $isGroup ? 'bold' : 'normal' }};">
        @if($depth > 1)<span style="color:#888; font-size:9pt;">↳ </span>@endif
        {{ $pos->title }}@if($isOptional) <em style="font-size:8.5pt; color:#aaa;">(optional)</em>@endif
        @if($pos->description)
            <br><span style="font-size:9pt; color:#555; white-space:pre-line; font-weight:normal;">{{ $pos->description }}</span>
        @endif
    </td>
    <td style="vertical-align:top; text-align:right; padding:3px 2px; white-space:nowrap; font-size:10pt; border-bottom:1px solid #e8e8e8;">
        @if(!$isGroup){{ $pos->quantity ? number_format($pos->quantity, 2, ',', '.') : '—' }}@endif
    </td>
    <td style="vertical-align:top; text-align:right; padding:3px 2px; white-space:nowrap; font-size:10pt; border-bottom:1px solid #e8e8e8;">
        @if(!$isGroup){{ $pos->positionUnit->name ?? '—' }}@endif
    </td>
    <td style="vertical-align:top; text-align:right; padding:3px 2px; white-space:nowrap; font-size:10pt; border-bottom:1px solid #e8e8e8;">
        @if(!$isGroup){{ $pos->unit_price ? number_format($pos->unit_price, 2, ',', '.') . ' €' : '—' }}@endif
    </td>
    <td style="vertical-align:top; text-align:right; padding:3px 0; white-space:nowrap; font-size:10pt; border-bottom:1px solid #e8e8e8;">
        @if(!$isGroup){{ $pos->calculated_total ? number_format($pos->calculated_total, 2, ',', '.') . ' €' : '—' }}@endif
    </td>
</tr>
@foreach($pos->children as $ci => $child)
    @include('pms.offers._pdf_position_row', ['pos' => $child, 'depth' => $depth + 1, 'nr' => $nr . '.' . ($ci+1)])
@endforeach
@if($isGroup && $pos->children->isNotEmpty())
<tr>
    <td colspan="5" style="text-align:right; padding:4px 4px 4px 0; font-size:10pt; border-top:1px solid #000; border-bottom:2px solid #000;">
        <strong>Summe {{ $pos->pos_number }}. {{ $pos->title }}</strong>
    </td>
    <td style="text-align:right; padding:4px 0; font-size:10pt; border-top:1px solid #000; border-bottom:2px solid #000;">
        <strong>{{ number_format($pos->calculated_total, 2, ',', '.') }} €</strong>
    </td>
</tr>
@endif