{{-- resources/views/admin/jadwal-mapel/sidebar.blade.php --}}
<div class="card border-0 shadow-sm">
    <div class="card-header bg-white py-3 border-bottom">
        <h6 class="mb-0 fw-bold"><i class="bi bi-door-closed me-2 text-primary"></i>Pilih Kelas</h6>
    </div>
    <div class="card-body p-0">
        <div class="list-group list-group-flush" style="max-height: 700px; overflow-y:auto;">