@can('viewPaperReview', $project)
    @php($latestProof = $project->proofs->sortByDesc('id')->first())
    @if($latestProof)
        <section class="card mb-4" id="paper-review">
            <h2>Paper review and comments</h2>
            <p class="mt-3">Latest document: V{{ $latestProof->workVersion->version }} &middot; {{ App\Models\Proof::STATUSES[$latestProof->status] }}.</p>
            <p><a class="btn btn-outline-secondary" href="{{ route('proofs.show', $latestProof) }}">Review / download document</a></p>
            @if($project->first_review_at)<p class="small">First sent for review: {{ $project->first_review_at->format('d M Y, H:i') }}. Staff closure available from {{ $project->review_due_at?->format('d M Y, H:i') }} ({{ config('app.timezone') }}). This date stays the same through later revisions.</p>@endif
            @if($project->closed_at)<div class="alert alert-success">Paper closed {{ $project->closed_at->format('d M Y, H:i') }}. The final reviewed document remains available.</div>@if($project->closure_note)<p class="preserve-lines">{{ $project->closure_note }}</p>@endif @endif
            <div class="mt-3">
                @forelse($project->paperComments->sortBy('id') as $comment)
                    <article class="border rounded p-3 mb-3"><strong>{{ $comment->author->name }}</strong><span class="small text-secondary"> &middot; {{ $comment->user_id === $project->customer_id ? 'Customer' : 'Team' }} &middot; Document V{{ $comment->proof->workVersion->version }} &middot; {{ $comment->created_at->format('d M Y, H:i') }}</span><p class="preserve-lines mt-2 mb-0">{{ $comment->body }}</p></article>
                @empty<p>No review comments yet.</p>@endforelse
            </div>
            @if(in_array($project->status, ['proof_ready', 'corrections_requested', 'revision_in_progress', 'awaiting_qc', 'qc_returned', 'in_progress'], true))
                <form method="POST" action="{{ route('papers.comments.store', $project) }}">@csrf
                    <input type="hidden" name="proof_reference" value="{{ $latestProof->reference }}">
                    <label for="paper-comment">{{ $project->customer_id === auth()->id() ? 'Comments / changes required' : 'Reply to the customer' }}</label><textarea id="paper-comment" name="body" rows="5" maxlength="10000" required>{{ old('body') }}</textarea>
                    <p class="form-text">Shared with the customer, Super Admin, Admin, managers and assigned employees. Customer comments request another revision; each revised document passes internal QC before review.</p>
                    <button class="btn btn-primary mt-2" type="submit">{{ $project->customer_id === auth()->id() ? 'Submit comments / request changes' : 'Submit reply' }}</button>
                </form>
            @endif
            @can('closePaper', $project)
                @if($project->status === 'proof_ready')
                    <hr><h3 class="fs-5">Close paper</h3>
                    @if($project->customer_id === auth()->id() || ($project->review_due_at && now()->gte($project->review_due_at)))
                        <form method="POST" action="{{ route('papers.close', $project) }}">@csrf<input type="hidden" name="proof_reference" value="{{ $latestProof->reference }}">
                            @if($project->customer_id !== auth()->id())<label for="closure-note">Reason for staff closure *</label><textarea id="closure-note" name="closure_note" rows="3" maxlength="3000" required>{{ old('closure_note') }}</textarea>@endif
                            <label class="d-flex gap-2 mt-3"><input type="checkbox" name="confirmation" value="1" required><span>{{ $project->customer_id === auth()->id() ? 'I have reviewed the latest document and accept it as complete.' : 'The review period has ended and I confirm closure of this paper.' }}</span></label>
                            <button class="btn btn-primary mt-3" type="submit">Close paper</button>
                        </form>
                    @else<p>The customer can close now. Staff can close after the review period ends.</p>@endif
                @endif
            @endcan
        </section>
    @endif
@endcan