@php
    $id_prefix = $id_prefix ?? 'sessions';
    $groupedLevels = $sessions->groupBy(function ($session) {
        return $session->staff_scheduled_id;
    });
@endphp

<div class="accordion mb-3" id="accordion_{{ $id_prefix }}">
    @foreach ($groupedLevels as $bookingId => $levelSessions)
        @php
            $firstSession = $levelSessions->first();
            $levelName = $firstSession->staffScheduled?->trackLevel?->name_en ?? 'Level';
            // Also include track name in the header for clarity if available
            $trackName = $firstSession->staffScheduled?->track?->name_en ?? '';
            $displayTitle = $trackName ? "$trackName - $levelName" : $levelName;
            $levelSlug = Str::slug($levelName) . '_' . $bookingId . '_' . $id_prefix;
        @endphp
        <div class="accordion-item shadow-sm border mb-2 rounded overflow-hidden">
            <h2 class="accordion-header" id="heading{{ $levelSlug }}">
                <button class="accordion-button collapsed py-3 px-3 fw-bold" type="button"
                    data-bs-toggle="collapse"
                    data-bs-target="#collapse{{ $levelSlug }}"
                    aria-expanded="false"
                    aria-controls="collapse{{ $levelSlug }}">
                    <div class="d-flex justify-content-between align-items-center gap-1">
                        <span>
                            <i class="fas fa-graduation-cap me-2 text-success"></i>
                            {{ $displayTitle }}
                            <span class="small fw-normal ms-2">(Booking #{{ $bookingId }})</span>
                        </span>
                        <span class="badge bg-secondary rounded-pill">{{ $levelSessions->count() }} Sessions</span>
                    </div>
                </button>
            </h2>
            <div id="collapse{{ $levelSlug }}" class="accordion-collapse collapse"
                aria-labelledby="heading{{ $levelSlug }}"
                data-bs-parent="#accordion_{{ $id_prefix }}">
                <div class="accordion-body p-0">
                    @include('dashboard.course.partials.session_table', [
                        'sessions' => $levelSessions,
                        'showDate' => $showDate ?? true,
                        'isUpcoming' => $isUpcoming ?? false,
                        'isToday' => $isToday ?? false
                    ])
                </div>
            </div>
        </div>
    @endforeach
</div>