<style>
    /* ========================================================
       1. CSS CORE RESPONSIVE (ANTI HALAMAN JEBOL)
       ======================================================== */
    body, html {
        overflow-x: hidden !important;
        width: 100%;
        max-width: 100vw;
    }

    @media (max-width: 991.98px) {
        #layoutSidenav_content {
            padding-left: 0 !important;
            margin-left: 0 !important;
            width: 100% !important;
            max-width: 100vw !important;
        }
        .container-fluid {
            padding-left: 10px !important;
            padding-right: 10px !important;
        }
    }

    #layoutSidenav_content {
        width: 100%;
        max-width: 100vw;
        overflow-x: hidden !important;
    }

    /* Memaksa Tabel agar menyesuaikan layar */
    table, table.dataTable {
        min-width: 0 !important;
        width: 100% !important;
        border-collapse: collapse !important;
    }

    .card {
        width: 100% !important;
        max-width: 100% !important;
        min-width: 0 !important;
        overflow-x: hidden; 
    }

    /* Scroll Horizontal Halus untuk Tabel di HP */
    .table-responsive {
        width: 100% !important;
        max-width: 100% !important;
        overflow-x: auto !important;
        -webkit-overflow-scrolling: touch;
        border: none;
    }

    /* ========================================================
       2. STYLING KOTAK FILTER & TOMBOL
       ======================================================== */
    .filter-wrapper {
        background-color: #f8f9fa;
        border-radius: 8px;
        padding: 15px;
        box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    }

    /* Responsif Form */
    @media (max-width: 768px) {
        .filter-wrapper .form-group { margin-bottom: 12px; }
        .btn-group-custom { display: flex; flex-direction: column; gap: 10px; width: 100%; margin-top: 10px; }
        .btn-group-custom button { width: 100%; margin-left: 0 !important;}
        div.dataTables_wrapper div.dataTables_filter input { width: 140px !important; }
    }

    @media (min-width: 769px) {
        .btn-group-custom { display: flex; gap: 10px; align-items: flex-end; height: 100%; padding-bottom: 2px; }
    }
</style>

<div id="layoutSidenav_content">
    <main>
        <div class="container-fluid px-3 px-md-4 overflow-hidden">
            <h1 class="mt-4 fs-3" id="judulPasien">Data Pasien PRB</h1>
            <ol class="breadcrumb mb-4 shadow-sm bg-white p-2 rounded">
                <li class="breadcrumb-item"><a href="index.html" class="text-decoration-none text-muted">Dashboard</a></li>
                <li class="breadcrumb-item active">Tampil Data Pasien PRB</li>
            </ol>
            
            <div class="card mb-4 border-0 shadow-sm">
                <div class="card-body filter-wrapper">
                    <form id="filterForm">
                        <div class="row g-2 align-items-end">
                            <div class="col-12 col-md-3 col-lg-2">
                                <label for="tanggal_awal" class="form-label text-muted small fw-bold mb-1">Tanggal Awal</label>
                                <input type="date" id="tanggal_awal" name="TGL_AWAL" class="form-control" value="<?= $tgl_awal ?>" required />
                            </div>
                            <div class="col-12 col-md-3 col-lg-2">
                                <label for="tanggal_akhir" class="form-label text-muted small fw-bold mb-1">Tanggal Akhir</label>
                                <input type="date" id="tanggal_akhir" name="TGL_AKHIR" class="form-control" value="<?= $tgl_akhir ?>" required />
                            </div>
                            <div class="col-12 col-md-6 col-lg-8">
                                <div class="btn-group-custom mt-3 mt-md-0">
                                    <button type="submit" class="btn btn-primary px-4 shadow-sm"><i class="fas fa-search me-1"></i> Filter</button>
                                    <button type="button" id="downloadButton" class="btn btn-success px-4 shadow-sm" style="display: none;"><i class="fas fa-file-excel me-1"></i> Download Excel</button>
                                </div>
                            </div>
                        </div>
                    </form>
                </div>
            </div>

            <div class="card border-0 shadow-sm mb-5">
                <div class="card-body p-2 p-md-3">
                    <div id="result">
                        <div id="loadingIcon" style="display: none;" class="py-5 text-center">
                            <img src="<?= base_url('assets_/assets/img/loading-new.gif') ?>" alt="Loading..." style="width: 50px;" />
                            <p class="mt-2 text-muted small fw-bold">Mengambil Data...</p>
                        </div>
                        <div id="tableContainer" style="display: none;">
                            </div>
                    </div>
                </div>
            </div>

        </div>
    </main>

    <footer class="py-4 bg-light mt-auto border-top">
        <div class="container-fluid px-4">
            <div class="d-flex align-items-center justify-content-between small text-muted">
                <div>Copyright &copy; IT RSU Ananda Purwokerto 2024</div>
                <div class="d-none d-md-block">
                    <a href="#" class="text-decoration-none text-muted">Privacy Policy</a>
                    &middot;
                    <a href="#" class="text-decoration-none text-muted">Terms &amp; Conditions</a>
                </div>
            </div>
        </div>
    </footer>
</div>

<script src="https://cdn.datatables.net/1.13.4/js/jquery.dataTables.min.js"></script>

<script>
    $(document).ready(function() {
        $('#filterForm').on('submit', function(event) {
            event.preventDefault(); 
            $('#loadingIcon').show(); 
            $('#tableContainer').hide(); 

            $.ajax({
                url: '<?= base_url("farmasi/tampildataprb") ?>',
                type: 'POST',
                data: {
                    TGL_AWAL: $('#tanggal_awal').val(),
                    TGL_AKHIR: $('#tanggal_akhir').val()
                },
                success: function(response) {
                    $('#loadingIcon').hide(); 

                    try {
                        const data = JSON.parse(response); 

                        if (data && data.data && Array.isArray(data.data)) {
                            const list = data.data; 

                            if ($.fn.DataTable.isDataTable('#datatablesSimple')) {
                                $('#datatablesSimple').DataTable().destroy();
                            }

                            if (list.length > 0) {
                                // PERBAIKAN: Bungkus tabel dengan div responsive dan gunakan class text-nowrap
                                let html = `
                                <div class="table-responsive w-100">
                                    <table id="datatablesSimple" class="table table-striped table-hover table-bordered text-nowrap w-100">
                                        <thead class="table-dark">
                                            <tr>
                                                <th>No.SRB</th>
                                                <th>No.SEP</th>
                                                <th>Tanggal SRB</th>
                                                <th>Keterangan</th>
                                                <th>Saran</th>
                                                <th>Program PRB</th>
                                                <th>DPJP</th>
                                                <th>Peserta</th>
                                            </tr>
                                        </thead>
                                    <tbody>`;

                                list.forEach(item => {
                                    html += `<tr>
                                        <td class="fw-bold">${item.noSRB}</td>
                                        <td>${item.noSEP}</td>
                                        <td>${item.tglSRB}</td>
                                        <td>${item.keterangan}</td>
                                        <td>${item.saran}</td>
                                        <td>${item.programPRB.nama}</td>
                                        <td>${item.DPJP.nama}</td>
                                        <td>${item.peserta.nama}</td>
                                    </tr>`;
                                });
                                html += '</tbody></table></div>';
                                
                                $('#tableContainer').html(html).show(); 

                                // INISIALISASI DATATABLES DENGAN DOM KHUSUS HP (scrollX dimatikan)
                                $('#datatablesSimple').DataTable({
                                    responsive: false,
                                    scrollX: false, 
                                    autoWidth: false,
                                    columnDefs: [{
                                        targets: 2, 
                                        type: "date" 
                                    }],
                                    order: [[2, "asc"]],
                                    dom: '<"row"<"col-sm-12 col-md-6"l><"col-sm-12 col-md-6"f>>' +
                                         '<"row"<"col-sm-12"tr>>' +
                                         '<"row"<"col-sm-12 col-md-5"i><"col-sm-12 col-md-7"p>>',
                                    language: {
                                        search: "Cari Data:",
                                        lengthMenu: "Tampil _MENU_"
                                    }
                                });

                                $('#downloadButton').fadeIn();
                            } else {
                                $('#tableContainer').html('<div class="alert alert-info text-center m-3 small"><i class="fas fa-info-circle me-1"></i> Tidak ada data yang ditemukan.</div>').show();
                                $('#downloadButton').hide(); 
                            }
                        } else {
                            $('#tableContainer').html('<div class="alert alert-warning text-center m-3 small">Respons data kosong atau format salah.</div>').show();
                            $('#downloadButton').hide(); 
                        }

                    } catch (e) {
                        console.error("Error parsing JSON: ", e);
                        $('#tableContainer').html('<div class="alert alert-danger text-center m-3 small">Terjadi kesalahan format data dari server.</div>').show();
                        $('#downloadButton').hide(); 
                    }
                },
                error: function(xhr, status, error) {
                    $('#loadingIcon').hide(); 
                    $('#tableContainer').html('<div class="alert alert-danger text-center m-3 small"><i class="fas fa-exclamation-triangle me-1"></i> Gagal terhubung ke server. Silakan coba lagi.</div>').show();
                    $('#downloadButton').hide(); 
                    console.error("AJAX Error: ", error);
                }
            });
        });

        // Event download Excel
        $('#downloadButton').on('click', function() {
            const tanggalAwal = $('#tanggal_awal').val();
            const tanggalAkhir = $('#tanggal_akhir').val();
            window.location.href = `<?= base_url("farmasi/unduhdatapasienprb") ?>?TGL_AWAL=${tanggalAwal}&TGL_AKHIR=${tanggalAkhir}`;
        });
    });
</script>