@php
    /**
     * ProblemRadar-Bericht (Phase 6). Erwartet:
     *  $title, $periodLabel, $metrics (Reporter::metrics()).
     * Enthält bewusst KEINE E-Mail-Adressen oder Namen (DSGVO, §19/§21).
     */
    $m = $metrics;
    $fmt = fn ($v) => $v === null ? '—' : $v;
@endphp
<div style="font-family:'Segoe UI',Arial,sans-serif;color:#0f172a;line-height:1.6;max-width:680px;">
    <h1 style="font-size:22px;margin:0 0 4px;">{{ $title }}</h1>
    <p style="margin:0 0 4px;color:#475569;">Zeitraum: {{ $periodLabel }}</p>
    <p style="margin:0 0 20px;color:#94a3b8;font-size:12px;">Aggregierte Auswertung ohne personenbezogene Daten.</p>

    {{-- Kennzahlen --}}
    <table cellpadding="0" cellspacing="0" style="width:100%;border-collapse:collapse;font-size:14px;margin-bottom:22px;">
        <tr style="background:#f1f5f9;color:#475569;text-align:left;">
            <th style="padding:8px 12px;">Kennzahl</th>
            <th style="padding:8px 12px;">Wert</th>
        </tr>
        <tr style="border-bottom:1px solid #e2e8f0;"><td style="padding:8px 12px;">Einreichungen gesamt</td><td style="padding:8px 12px;font-weight:600;">{{ $m['answers_total'] }}</td></tr>
        <tr style="border-bottom:1px solid #e2e8f0;"><td style="padding:8px 12px;">Sitzungen gesamt</td><td style="padding:8px 12px;">{{ $m['sessions_total'] }}</td></tr>
        <tr style="border-bottom:1px solid #e2e8f0;"><td style="padding:8px 12px;">davon vollständig</td><td style="padding:8px 12px;">{{ $m['sessions_completed'] }}</td></tr>
        <tr style="border-bottom:1px solid #e2e8f0;"><td style="padding:8px 12px;">Abschlussquote</td><td style="padding:8px 12px;">{{ $m['completion_rate'] }} %</td></tr>
        <tr style="border-bottom:1px solid #e2e8f0;"><td style="padding:8px 12px;">Ø Schweregrad</td><td style="padding:8px 12px;">{{ $fmt($m['avg_severity']) }}</td></tr>
        <tr style="border-bottom:1px solid #e2e8f0;"><td style="padding:8px 12px;">Median Schweregrad</td><td style="padding:8px 12px;">{{ $fmt($m['median_severity']) }}</td></tr>
    </table>

    @if (!empty($m['alerts']))
        <div style="background:#fef2f2;border:1px solid #fecaca;border-radius:8px;padding:12px 16px;margin-bottom:22px;">
            <h2 style="font-size:15px;margin:0 0 8px;color:#b91c1c;">Sofortwarnungen — hohe Opportunity</h2>
            @foreach ($m['alerts'] as $a)
                <p style="margin:0 0 4px;font-size:14px;">
                    <strong>{{ $a['name'] }}</strong> — Opportunity {{ $a['opportunity'] }}/100,
                    Konfidenz {{ $a['confidence_label'] }} (n={{ $a['n'] }})
                </p>
            @endforeach
        </div>
    @endif

    @php
        $blocks = [
            'Häufigste Problembereiche' => $m['top_problem_areas'],
            'Häufigste Notlösungen'     => $m['top_workarounds'],
            'Meistgewünschte Funktionen' => $m['top_features'],
        ];
    @endphp
    @foreach ($blocks as $heading => $rows)
        <h2 style="font-size:15px;margin:0 0 8px;">{{ $heading }}</h2>
        @if (empty($rows))
            <p style="margin:0 0 18px;color:#94a3b8;font-size:13px;">Keine Daten im Zeitraum.</p>
        @else
            <table cellpadding="0" cellspacing="0" style="width:100%;border-collapse:collapse;font-size:14px;margin-bottom:18px;">
                @foreach ($rows as $row)
                    <tr style="border-bottom:1px solid #e2e8f0;">
                        <td style="padding:6px 12px;">{{ $row['label'] }}</td>
                        <td style="padding:6px 12px;text-align:right;font-weight:600;width:60px;">{{ $row['count'] }}</td>
                    </tr>
                @endforeach
            </table>
        @endif
    @endforeach

    <h2 style="font-size:15px;margin:0 0 8px;">Top-Cluster (Opportunity + Konfidenz)</h2>
    @if (empty($m['top_clusters']))
        <p style="margin:0 0 18px;color:#94a3b8;font-size:13px;">Noch keine Cluster.</p>
    @else
        <table cellpadding="0" cellspacing="0" style="width:100%;border-collapse:collapse;font-size:14px;margin-bottom:18px;">
            <tr style="background:#f1f5f9;color:#475569;text-align:left;">
                <th style="padding:8px 12px;">Cluster</th>
                <th style="padding:8px 12px;">Opportunity</th>
                <th style="padding:8px 12px;">Konfidenz</th>
                <th style="padding:8px 12px;">n</th>
            </tr>
            @foreach ($m['top_clusters'] as $c)
                <tr style="border-bottom:1px solid #e2e8f0;">
                    <td style="padding:6px 12px;">{{ $c['name'] }}</td>
                    <td style="padding:6px 12px;">{{ $c['opportunity'] }}/100</td>
                    <td style="padding:6px 12px;">{{ $c['confidence_label'] }}</td>
                    <td style="padding:6px 12px;">{{ $c['n'] }}</td>
                </tr>
            @endforeach
        </table>
    @endif

    <p style="margin:24px 0 0;color:#94a3b8;font-size:12px;">ProblemRadar · automatischer Bericht · {{ now()->format('d.m.Y H:i') }}</p>
</div>