<?php
require_once 'auth.php';
include 'db.php';
requireLogin($conn);

$user_email = $_SESSION['email'] ?? '';
$check_status = mysqli_prepare($conn, "SELECT status, role FROM users WHERE email = ?");
mysqli_stmt_bind_param($check_status, "s", $user_email);
mysqli_stmt_execute($check_status);
$status_result = mysqli_stmt_get_result($check_status);
$user_data = mysqli_fetch_assoc($status_result);

if (!$user_data || $user_data['status'] !== 'approved') {
    destroyActiveSession();
    header("Location: login.php?error=account_blocked");
    exit();
}

if (!isset($_SESSION['role'])) {
    $_SESSION['role'] = $user_data['role'] ?? 'user';
}

$role = $_SESSION['role'];
$user_department = currentUserDepartment($conn);
$current_user_id = (int) ($_SESSION['user_id'] ?? 0);
$can_read_folder = currentUserCan($conn, 'folder', 'read');
$can_create_folder = currentUserCan($conn, 'folder', 'create');
$can_delete_folder = currentUserCan($conn, 'folder', 'delete');
$can_close_folder = currentUserCan($conn, 'folder', 'close');
$folder_sort_columns = [
    'folder_code' => ['label' => 'Kod Fail', 'type' => 'text'],
    'folder_name' => ['label' => 'Nama Fail', 'type' => 'text'],
    'folder_type' => ['label' => 'Jenis Fail', 'type' => 'text'],
    'department' => ['label' => 'Bahagian', 'type' => 'text'],
    'status' => ['label' => 'Status', 'type' => 'text'],
    'doc_count' => ['label' => 'Jumlah Fail', 'type' => 'number'],
    'created_at' => ['label' => 'Tarikh', 'type' => 'date'],
];
$folder_sort_state = [
    'office' => [
        'sort' => trim((string) ($_GET['office_sort'] ?? '')),
        'dir' => strtolower(trim((string) ($_GET['office_dir'] ?? ''))),
    ],
    'private' => [
        'sort' => trim((string) ($_GET['private_sort'] ?? '')),
        'dir' => strtolower(trim((string) ($_GET['private_dir'] ?? ''))),
    ],
];
foreach ($folder_sort_state as $section_key => $state) {
    if (!isset($folder_sort_columns[$state['sort']]) || ($section_key === 'private' && $state['sort'] === 'folder_code')) {
        $folder_sort_state[$section_key]['sort'] = '';
    }
    if (!in_array($state['dir'], ['asc', 'desc'], true)) {
        $folder_sort_state[$section_key]['dir'] = 'asc';
    }
}

if (!$can_read_folder) {
    echo "<script>alert('Anda tidak mempunyai kebenaran untuk melihat senarai fail.'); window.location='dashboard.php';</script>";
    exit();
}

if ($role === 'superadmin') {
    $sql_folders = "SELECT f.*, COUNT(d.id) as doc_count
        FROM folders f
        LEFT JOIN documents d ON f.id = d.folder_id AND d.deleted_at IS NULL
        WHERE f.deleted_at IS NULL
        GROUP BY f.id
        ORDER BY f.created_at DESC";
    $result_folders = mysqli_query($conn, $sql_folders);
} else {
    $sql_folders = "SELECT f.*,
            COUNT(CASE
                WHEN ld.id IS NULL
                  OR NOT (ld.status = 'draf' OR ld.approval_status = 'draft')
                  OR ld.created_by = ?
                THEN d.id
            END) as doc_count
        FROM folders f
        LEFT JOIN documents d ON f.id = d.folder_id AND d.deleted_at IS NULL
        LEFT JOIN letter_drafts ld ON ld.document_id = d.id AND ld.deleted_at IS NULL
        WHERE f.department = ? AND f.deleted_at IS NULL
        GROUP BY f.id
        ORDER BY f.created_at DESC";
    $stmt_folders = mysqli_prepare($conn, $sql_folders);
    mysqli_stmt_bind_param($stmt_folders, "is", $current_user_id, $user_department);
    mysqli_stmt_execute($stmt_folders);
    $result_folders = mysqli_stmt_get_result($stmt_folders);
}

$folders = mysqli_fetch_all($result_folders, MYSQLI_ASSOC);
$office_folders = [];
$private_folders = [];

foreach ($folders as $folder) {
    $folder['folder_type'] = normalizeFolderType($folder['folder_type'] ?? '');

    if ($folder['folder_type'] === 'sendirian') {
        $private_folders[] = $folder;
    } else {
        $office_folders[] = $folder;
    }
}

foreach ($office_folders as $index => &$folder) {
    $folder['_default_order'] = $index;
}
unset($folder);
foreach ($private_folders as $index => &$folder) {
    $folder['_default_order'] = $index;
}
unset($folder);

sortFolderSectionItems($office_folders, $folder_sort_state['office']['sort'], $folder_sort_state['office']['dir'], $folder_sort_columns);
sortFolderSectionItems($private_folders, $folder_sort_state['private']['sort'], $folder_sort_state['private']['dir'], $folder_sort_columns);

$folder_sections = [
    [
        'title' => 'Fail Office',
        'key' => 'office',
        'folders' => $office_folders,
        'empty_text' => 'Tiada fail office dijumpai.'
    ],
    [
        'title' => 'Fail Personal',
        'key' => 'private',
        'folders' => $private_folders,
        'empty_text' => 'Tiada fail personal dijumpai.'
    ]
];

function getFolderListSortValue($folder, $column) {
    switch ($column) {
        case 'folder_code':
            return $folder['folder_code'] ?? '';
        case 'folder_name':
            return $folder['folder_name'] ?? '';
        case 'folder_type':
            return getFolderTypeLabel($folder['folder_type'] ?? '');
        case 'department':
            return $folder['department'] ?? '';
        case 'status':
            return empty($folder['closed_at']) ? 'Aktif' : 'Ditutup';
        case 'doc_count':
            return (int) ($folder['doc_count'] ?? 0);
        case 'created_at':
            return strtotime((string) ($folder['created_at'] ?? '')) ?: 0;
        default:
            return '';
    }
}

function sortFolderSectionItems(&$folders, $sort_column, $sort_dir, $sort_columns) {
    if ($sort_column === '' || !isset($sort_columns[$sort_column])) {
        return;
    }

    usort($folders, function ($folder_a, $folder_b) use ($sort_column, $sort_dir, $sort_columns) {
        $sort_type = $sort_columns[$sort_column]['type'] ?? 'text';
        $value_a = getFolderListSortValue($folder_a, $sort_column);
        $value_b = getFolderListSortValue($folder_b, $sort_column);

        if ($sort_type === 'number' || $sort_type === 'date') {
            $compare = ((float) $value_a) <=> ((float) $value_b);
        } else {
            $compare = strnatcasecmp((string) $value_a, (string) $value_b);
        }

        if ($compare === 0) {
            return ((int) ($folder_a['_default_order'] ?? 0)) <=> ((int) ($folder_b['_default_order'] ?? 0));
        }

        return $sort_dir === 'desc' ? -$compare : $compare;
    });
}

function buildFolderSortUrl($section_key, $column, $current_sort, $current_dir) {
    $query = $_GET;
    unset($query[$section_key . '_page']);
    $sort_param = $section_key . '_sort';
    $dir_param = $section_key . '_dir';

    if ($current_sort !== $column) {
        $query[$sort_param] = $column;
        $query[$dir_param] = 'asc';
    } elseif ($current_dir === 'asc') {
        $query[$sort_param] = $column;
        $query[$dir_param] = 'desc';
    } else {
        unset($query[$sort_param], $query[$dir_param]);
    }

    $base_path = basename((string) ($_SERVER['PHP_SELF'] ?? 'list_folder.php'));
    $query_string = http_build_query($query);
    return htmlspecialchars($base_path . ($query_string !== '' ? '?' . $query_string : ''));
}

function renderFolderSortableHeader($label, $section_key, $column, $current_sort, $current_dir) {
    $is_active = $current_sort === $column;
    $indicator = $is_active ? ($current_dir === 'desc' ? '&darr;' : '&uarr;') : '&#8597;';
    $aria_sort = $is_active ? ($current_dir === 'desc' ? 'descending' : 'ascending') : 'none';

    echo '<th aria-sort="' . htmlspecialchars($aria_sort) . '">';
    echo '<a class="sort-link' . ($is_active ? ' active' : '') . '" href="' . buildFolderSortUrl($section_key, $column, $current_sort, $current_dir) . '">';
    echo '<span>' . htmlspecialchars($label) . '</span><span class="sort-indicator">' . $indicator . '</span>';
    echo '</a>';
    echo '</th>';
}
?>
<!DOCTYPE html>
<html lang="ms">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Senarai Fail | MAINPP WORKSPACE</title>
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css">
        <?php renderAppShellAssets(); ?>
    <style>
        :root {
            --primary: #0077b6; --primary-dark: #005f99; --secondary: #00b4d8;
            --deep-blue: #023e5f;
            --superadmin: #6c5ce7; --superadmin-dark: #5b4cdb;
            --bg-light: rgba(245, 250, 253, 0.72); --bg-card: rgba(255, 255, 255, 0.68); --text-main: #163447;
            --text-muted: #2d5367; --border: rgba(255, 255, 255, 0.48); --sidebar-width: 280px;
            --success: #1a9955; --danger: #dc3545; --warning: #ffc107;
            --glass: rgba(255, 255, 255, 0.58);
            --glass-strong: rgba(255, 255, 255, 0.76);
            --shadow-soft: 0 24px 70px rgba(2, 62, 95, 0.16);
        }
        * { box-sizing: border-box; margin: 0; padding: 0; font-family: 'Segoe UI', 'Inter', Tahoma, Geneva, Verdana, sans-serif; }
        body {
            background:
                linear-gradient(135deg, rgba(245, 250, 253, 0.90), rgba(222, 246, 252, 0.76)),
                url('assets/auth-bg.png') center/cover no-repeat fixed;
            min-height: 100vh;
            display: flex;
            color: var(--text-main);
            overflow-x: hidden;
        }

        body::before,
        body::after {
            content: "";
            position: fixed;
            pointer-events: none;
            z-index: 0;
        }

        body::before {
            width: 42vw;
            height: 42vw;
            right: -16vw;
            top: -18vw;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0, 180, 216, 0.24), transparent 62%);
            filter: blur(4px);
        }

        body::after {
            width: 48vw;
            height: 48vw;
            left: 120px;
            bottom: -30vw;
            border-radius: 46px;
            background:
                linear-gradient(155deg, rgba(255, 255, 255, 0.20), rgba(255, 255, 255, 0.03)),
                repeating-linear-gradient(0deg, transparent 0 34px, rgba(0, 119, 182, 0.08) 35px 36px);
            border: 1px solid rgba(255, 255, 255, 0.32);
            transform: rotate(-9deg);
        }

        .sidebar {
            width: var(--sidebar-width);
            background:
                linear-gradient(180deg, rgba(2, 62, 95, 0.94), rgba(0, 119, 182, 0.84)),
                radial-gradient(circle at 22% 8%, rgba(0, 180, 216, 0.28), transparent 32%);
            border-right: 1px solid rgba(255, 255, 255, 0.22);
            position: fixed;
            height: 100vh;
            padding: 20px 0;
            overflow-y: auto;
            overflow-x: hidden;
            z-index: 1000;
            box-shadow: 18px 0 44px rgba(2, 38, 60, 0.20);
            transition: width 0.3s ease;
            display:flex;
            flex-direction:column;
            backdrop-filter: blur(18px) saturate(1.25);
            -webkit-backdrop-filter: blur(18px) saturate(1.25);
        }
        .sidebar.collapsed { width: 70px; }
        .sidebar-header { text-align: center; padding: 0 20px 20px; border-bottom: 1px solid rgba(255, 255, 255, 0.16); margin-bottom: 20px; white-space: nowrap; overflow: hidden; background: transparent !important; }
        .sidebar.collapsed .sidebar-header h3, .sidebar.collapsed .sidebar-header p, .sidebar.collapsed .menu-text { display: none; }
        .sidebar-header img { width: 54px; margin-bottom: 10px; transition: margin 0.3s ease; filter: drop-shadow(0 10px 18px rgba(0,0,0,0.25)); }
        .sidebar.collapsed .sidebar-header img { margin: 0 auto 10px; }
        .sidebar-header h3 { font-size: 1rem; font-weight: 800; color: #fff; margin-bottom: 4px; letter-spacing: 0.01em; }
        .sidebar-header p { font-size: 0.75rem; color: rgba(255,255,255,0.72); }
        .role-badge { display: inline-block; padding: 3px 10px; border-radius: 12px; font-size: 0.7rem; font-weight: 600; margin-left: 8px; }
        .role-badge.user { background: #e6f4ff; color: var(--primary); }
        .role-badge.admin { background: #d4edda; color: var(--success); }
        .role-badge.superadmin { background: linear-gradient(90deg, var(--superadmin), var(--superadmin-dark)); color: #fff; }
        .sidebar-menu { list-style: none; padding: 0 10px; display:flex; flex-direction:column; flex:1; }
        .sidebar-section { padding: 10px 18px 6px; color: rgba(255,255,255,0.58); font-size: 0.72rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.06em; }
        .sidebar-spacer { margin-top: auto; }
        .sidebar-menu li a { display: flex; align-items: center; gap: 12px; padding: 12px 18px; color: rgba(255,255,255,0.88); text-decoration: none; border-radius: 10px; margin-bottom: 5px; transition: all 0.2s ease; font-size: 0.9rem; white-space: nowrap; }
        .sidebar-menu li a:hover, .sidebar-menu li a.active { background: rgba(255,255,255,0.18); color: #fff; box-shadow: inset 0 0 0 1px rgba(255,255,255,0.18); }
        .sidebar-menu li a i { width: 20px; text-align: center; font-size: 1.1rem; }
        .sidebar-menu .dropdown { position: relative; }
        .sidebar-menu .dropdown-toggle { display: flex; align-items: center; justify-content: space-between; width: 100%; padding: 12px 18px; color: rgba(255,255,255,0.88); background: none; border: none; border-radius: 10px; cursor: pointer; font-size: 0.9rem; text-align: left; transition: all 0.2s ease; }
        .sidebar-menu .dropdown-toggle:hover, .sidebar-menu .dropdown-toggle.active { background: rgba(255,255,255,0.18); color: #fff; box-shadow: inset 0 0 0 1px rgba(255,255,255,0.18); }
        .sidebar-menu .dropdown-toggle i.chevron { transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1); font-size: 0.8rem; }
        .sidebar-menu .dropdown.active .dropdown-toggle i.chevron { transform: rotate(180deg); }
        .sidebar-menu .dropdown-menu { display: flex; flex-direction: column; padding-left: 42px; margin-top: 4px; max-height: 0; opacity: 0; overflow: hidden; transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.25s ease; }
        .sidebar-menu .dropdown.active .dropdown-menu { max-height: 260px; opacity: 1; }
        .sidebar-menu .dropdown-menu a { padding: 8px 18px; color: rgba(255,255,255,0.78); text-decoration: none; border-radius: 8px; font-size: 0.85rem; display: flex; align-items: center; gap: 8px; opacity: 0; transform: translateY(-5px); transition: opacity 0.2s ease, transform 0.2s ease; }
        .sidebar-menu .dropdown.active .dropdown-menu a { opacity: 1; transform: translateY(0); }
        .sidebar-menu .dropdown-menu a:hover, .sidebar-menu .dropdown-menu a.active { background: rgba(255,255,255,0.16); color: #fff; }
        .sidebar.collapsed + .main { margin-left: 70px; }
        .sidebar-toggle { position: absolute; right: 10px; top: 20px; width: 28px; height: 28px; background: rgba(255,255,255,0.20); color: #fff; border: 1px solid rgba(255,255,255,0.28); border-radius: 50%; cursor: pointer; display: flex; align-items: center; justify-content: center; font-size: 0.7rem; box-shadow: 0 10px 22px rgba(0,0,0,0.14); transition: transform 0.3s ease; z-index: 1001; }
        .sidebar.collapsed .sidebar-toggle { transform: rotate(180deg); }
        .main { position: relative; z-index: 1; margin-left: var(--sidebar-width); flex: 1; padding: 28px 32px; transition: margin-left 0.3s ease; }
        .top-bar { background: var(--glass); padding: 18px 24px; border-radius: 18px; box-shadow: var(--shadow-soft); margin-bottom: 18px; display: flex; justify-content: space-between; align-items: center; border: 1px solid var(--border); backdrop-filter: blur(22px) saturate(1.25); -webkit-backdrop-filter: blur(22px) saturate(1.25); }
        .top-bar h2 { color: var(--primary-dark); font-size: 1.35rem; font-weight: 850; display: flex; align-items: center; gap: 10px; }
        .top-bar h2 i { color: var(--secondary); }
        .user-info { display: flex; align-items: center; gap: 15px; font-size: 0.9rem; color: var(--text-muted); }
        .user-info span { color: var(--primary); font-weight: 600; }
        .user-info a { color: var(--danger); text-decoration: none; font-weight: 500; display: flex; align-items: center; gap: 5px; }
        .user-info a:hover { text-decoration: underline; }
        .card { background: var(--glass); border-radius: 22px; box-shadow: var(--shadow-soft); padding: 22px; margin-bottom: 25px; border: 1px solid var(--border); backdrop-filter: blur(24px) saturate(1.25); -webkit-backdrop-filter: blur(24px) saturate(1.25); }
        .card-header { display: flex; justify-content: space-between; align-items: center; gap: 14px; margin-bottom: 18px; padding-bottom: 14px; border-bottom: 1px solid rgba(0,119,182,0.14); }
        .card-title { color: var(--primary-dark); font-size: 1.15rem; font-weight: 850; }
        .count-text, .dept-note { font-size: 0.85rem; color: var(--text-muted); font-weight: 650; }
        .dept-note { margin-left: 10px; }
        .btn { padding: 10px 18px; border: none; border-radius: 999px; text-decoration: none; font-size: 0.9rem; cursor: pointer; display: inline-flex; align-items: center; gap: 7px; font-weight: 800; transition: transform 0.2s ease, filter 0.2s ease, box-shadow 0.2s ease; }
        .btn:hover { transform: translateY(-1px); filter: brightness(1.04); }
        .btn-primary { background: linear-gradient(90deg, var(--primary), var(--secondary)); color: #fff; }
        .table-responsive { overflow-x: auto; border-radius: 18px; border: 1px solid rgba(255,255,255,0.58); background: rgba(255,255,255,0.60); }
        table { width: 100%; border-collapse: collapse; font-size: 0.9rem; min-width: 940px; }
        table th { background: rgba(0,119,182,0.09); color: var(--primary-dark); font-weight: 850; text-align: center; padding: 14px 16px; border-bottom: 1px solid rgba(0,119,182,0.13); white-space: nowrap; vertical-align: middle; }
        .sort-link { color: inherit; display: inline-flex; align-items: center; justify-content: center; gap: 6px; text-decoration: none; width: 100%; }
        .sort-link:hover, .sort-link.active { color: var(--primary); }
        .sort-indicator { font-size: 0.78rem; line-height: 1; opacity: 0.78; }
        table td { padding: 14px 16px; border-bottom: 1px solid rgba(0,119,182,0.10); vertical-align: middle; text-align: center; background: rgba(255,255,255,0.66); }
        table tr:hover td { background: rgba(231, 248, 252, 0.72); }
        .badge { padding: 5px 12px; border-radius: 999px; font-size: 0.8rem; font-weight: 700; display: inline-block; }
        .badge-blue { background: #e6f4ff; color: var(--primary-dark); }
        .badge-green { background: rgba(0, 180, 216, 0.12); color: var(--primary-dark); display: inline-flex; align-items: center; justify-content: center; white-space: nowrap; text-align: center; }
        .badge-closed { background: #f8d7da; color: var(--danger); display: inline-flex; align-items: center; justify-content: center; white-space: nowrap; text-align: center; }
        .badge-open { background: #e6fff0; color: var(--success); display: inline-flex; align-items: center; justify-content: center; white-space: nowrap; text-align: center; }
        .badge-type { background:#fff4e5; color:#9a5b00; }
        .badge-dept { background:#e6f4ff; color:var(--primary-dark); }
        .dash-text { color: var(--text-muted); font-size: 0.85rem; }
        .action-group { display: flex; align-items: center; gap: 6px; flex-wrap: nowrap; white-space: nowrap; }
        .btn-sm { padding: 6px 14px; font-size: 0.8rem; border-radius: 6px; text-decoration: none; color: #fff; display: inline-flex; align-items: center; gap: 4px; white-space: nowrap; }
        .btn-view { background: var(--primary); }
        .btn-delete { background: var(--danger); }
        .empty-state { text-align: center; padding: 40px 20px; color: var(--text-muted); }
        .empty-state i { font-size: 2.5rem; margin-bottom: 12px; opacity: 0.6; }
        .section-title { color: var(--primary-dark); font-size: 1.2rem; font-weight: 850; margin: 30px 0 15px; padding-bottom: 8px; border-bottom: 1px solid rgba(0,119,182,0.18); display: flex; align-items: center; gap: 8px; }
        .section-title i { color: var(--secondary); }
        .page-footer { text-align: center; padding: 20px; color: var(--text-muted); font-size: 0.8rem; margin-top: 30px; }

        @media (max-width: 992px) {
            .sidebar { width: 70px; }
            .sidebar .sidebar-header h3, .sidebar .sidebar-header p, .sidebar .menu-text, .sidebar .role-badge, .sidebar .dropdown-menu, .sidebar .sidebar-section { display: none; }
            .main { margin-left: 70px; }
            .sidebar-toggle { display: none; }
        }
        .sidebar {
            overflow: hidden;
        }
        .sidebar-header {
            flex: 0 0 auto;
        }
        .sidebar-menu {
            flex: 1 1 auto;
            min-height: 0;
            overflow-y: auto;
            overflow-x: hidden;
            padding-bottom: 0;
            overscroll-behavior: contain;
            scrollbar-width: thin;
            scrollbar-color: #8f8f8f transparent;
        }
        .sidebar-menu::-webkit-scrollbar {
            width: 10px;
        }
        .sidebar-menu::-webkit-scrollbar-track {
            background: transparent;
        }
        .sidebar-menu::-webkit-scrollbar-thumb {
            background: #8f8f8f;
            border-radius: 999px;
            border: 2px solid transparent;
            background-clip: content-box;
        }
        .sidebar-menu::-webkit-scrollbar-button {
            display: none;
            width: 0;
            height: 0;
        }
    
        /* Button hover animation */
        .main .btn,
        .main .tab-btn,
        .main .action-btn,
        .main .btn-action,
        .main .filter-btn,
        .main .button,
        .main .generate-closing-btn,
        .main .attachment-remove-btn,
        .main .page-add-btn,
        .main .page-delete-btn,
        .main .delete-current-page-btn,
        .main .form-actions a,
        .main .form-actions button,
        .main .filter-actions a,
        .main .filter-actions button,
        .main .document-command a,
        .main .document-command button,
        .main table a[class*="btn"],
        .main table button[class*="btn"],
        .main input[type="submit"],
        .main input[type="button"] {
            transition: transform 0.2s ease, filter 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease, border-color 0.2s ease !important;
            will-change: transform;
        }

        .main .btn:hover:not(:disabled),
        .main .tab-btn:hover:not(:disabled),
        .main .action-btn:hover:not(:disabled),
        .main .btn-action:hover:not(:disabled),
        .main .filter-btn:hover:not(:disabled),
        .main .button:hover:not(:disabled),
        .main .generate-closing-btn:hover:not(:disabled),
        .main .attachment-remove-btn:hover:not(:disabled),
        .main .page-add-btn:hover:not(:disabled),
        .main .page-delete-btn:hover:not(:disabled),
        .main .delete-current-page-btn:hover:not(:disabled),
        .main .form-actions a:hover,
        .main .form-actions button:hover:not(:disabled),
        .main .filter-actions a:hover,
        .main .filter-actions button:hover:not(:disabled),
        .main .document-command a:hover,
        .main .document-command button:hover:not(:disabled),
        .main table a[class*="btn"]:hover,
        .main table button[class*="btn"]:hover:not(:disabled),
        .main input[type="submit"]:hover:not(:disabled),
        .main input[type="button"]:hover:not(:disabled) {
            transform: translateY(-1px);
            filter: brightness(1.04);
            box-shadow: 0 14px 28px rgba(0, 119, 182, 0.18);
        }

        .main .btn:active:not(:disabled),
        .main .tab-btn:active:not(:disabled),
        .main .action-btn:active:not(:disabled),
        .main .btn-action:active:not(:disabled),
        .main .filter-btn:active:not(:disabled),
        .main .button:active:not(:disabled),
        .main .generate-closing-btn:active:not(:disabled),
        .main .attachment-remove-btn:active:not(:disabled),
        .main .page-add-btn:active:not(:disabled),
        .main .page-delete-btn:active:not(:disabled),
        .main .delete-current-page-btn:active:not(:disabled),
        .main .form-actions a:active,
        .main .form-actions button:active:not(:disabled),
        .main .filter-actions a:active,
        .main .filter-actions button:active:not(:disabled),
        .main .document-command a:active,
        .main .document-command button:active:not(:disabled),
        .main table a[class*="btn"]:active,
        .main table button[class*="btn"]:active:not(:disabled),
        .main input[type="submit"]:active:not(:disabled),
        .main input[type="button"]:active:not(:disabled) {
            transform: translateY(0);
            filter: brightness(0.98);
        }
        .main .pagination-wrap {
            padding-right: 24px;
        }
        .main .pagination {
            margin-right: 8px;
        }
        @media (max-width: 640px) {
            .main .pagination-wrap {
                justify-content: center !important;
                padding-right: 0;
            }
            .main .pagination-info {
                width: 100%;
                text-align: center;
            }
            .main .pagination {
                width: 100%;
                justify-content: center;
                margin-right: 0;
            }
        }</style>
</head>
<body class="role-<?= htmlspecialchars($role) ?>">

    <aside class="sidebar" id="sidebar">
        <button class="sidebar-toggle" id="sidebarToggle" title="Tutup/Buka Menu">
            <i class="fas fa-chevron-left"></i>
        </button>
        <div class="sidebar-header">
            <img src="mainpp.png" alt="Logo MAINPP">
            <h3>MAINPP WORKSPACE</h3>
        </div>
        <ul class="sidebar-menu">
            <?php renderUnifiedSidebarMenu($conn, $role, 'list_folder.php'); ?>
        </ul>
    </aside>

    <main class="main">
        <div class="top-bar">
            <h2><i class="fas fa-folder-open"></i> Senarai Fail</h2>
            <?php renderTopBarUserMenu($conn, $role, 'list_folder.php'); ?>
        </div>

        <?php
        renderBreadcrumb([
            ['label' => 'Dashboard', 'url' => 'dashboard.php'],
            ['label' => 'Senarai Fail', 'url' => 'list_folder.php', 'current' => true]
        ]);
        ?>

        <?php foreach ($folder_sections as $section_index => $section): ?>
        <?php
            $section_page_param = $section_index === 0 ? 'office_page' : 'private_page';
            $section_pagination = paginateArrayItems($section['folders'], $section_page_param, 15);
            $section_folders = $section_pagination['items'];
            $is_private_section = $section_index === 1;
            $section_key = $section['key'];
            $section_sort = $folder_sort_state[$section_key]['sort'] ?? '';
            $section_sort_dir = $folder_sort_state[$section_key]['dir'] ?? 'asc';
        ?>
        <div class="card">
            <div class="card-header">
                <div class="card-title">
                    <?= htmlspecialchars($section['title']) ?>
                    </div>
                <?php if ($section_index === 0 && $can_create_folder): ?>
                <a href="add_folder.php" class="btn btn-primary"><i class="fas fa-plus"></i> Tambah Fail</a>
                <?php endif; ?>
            </div>
            <div class="table-responsive">
                <table>
                    <thead>
                        <tr>
                            <th>Bil.</th>
                            <?php if (!$is_private_section): ?>
                            <?php renderFolderSortableHeader('Kod Fail', $section_key, 'folder_code', $section_sort, $section_sort_dir); ?>
                            <?php endif; ?>
                            <?php renderFolderSortableHeader('Nama Fail', $section_key, 'folder_name', $section_sort, $section_sort_dir); ?>
                            <?php renderFolderSortableHeader('Jenis Fail', $section_key, 'folder_type', $section_sort, $section_sort_dir); ?>
                            <?php renderFolderSortableHeader('Bahagian', $section_key, 'department', $section_sort, $section_sort_dir); ?>
                            <?php renderFolderSortableHeader('Status', $section_key, 'status', $section_sort, $section_sort_dir); ?>
                            <?php renderFolderSortableHeader('Jumlah Fail', $section_key, 'doc_count', $section_sort, $section_sort_dir); ?>
                            <?php renderFolderSortableHeader('Tarikh', $section_key, 'created_at', $section_sort, $section_sort_dir); ?>
                            <th>Tindakan</th>
                        </tr>
                    </thead>
                    <tbody>
                        <?php if (empty($section_folders)): ?>
                            <tr><td colspan="<?= $is_private_section ? 8 : 9 ?>" class="empty-state"><i class="fas fa-folder-open"></i><br><?= htmlspecialchars($section['empty_text']) ?></td></tr>
                        <?php else: ?>
                            <?php foreach ($section_folders as $i => $f): ?>
                            <?php $folderViewId = (int) ($f['id'] ?? 0); ?>
                            <?php $folderSameDepartment = isSameDepartmentDb($conn, $f['department'] ?? '', $user_department); ?>
                            <tr>
                                <td><?= (int) $section_pagination['offset'] + $i + 1 ?></td>
                                <?php if (!$is_private_section): ?>
                                <td><span class="badge badge-blue"><?= htmlspecialchars($f['folder_code']) ?></span></td>
                                <?php endif; ?>
                                <td><?= htmlspecialchars($f['folder_name']) ?></td>
                                <td>
                                    <span class="badge badge-type">
                                        <?= htmlspecialchars(getFolderTypeLabel($f['folder_type'])) ?>
                                    </span>
                                </td>
                                <td>
                                    <?php if (!empty($f['department'])): ?>
                                        <span class="badge badge-dept">
                                            <?= htmlspecialchars($f['department']) ?>
                                        </span>
                                    <?php else: ?>
                                        <span class="dash-text">-</span>
                                    <?php endif; ?>
                                </td>
                                <td>
                                    <?php if (!empty($f['closed_at'])): ?>
                                        <span class="badge badge-closed">Ditutup</span>
                                    <?php else: ?>
                                        <span class="badge badge-open">Aktif</span>
                                    <?php endif; ?>
                                </td>
                                <td><span class="badge badge-green"><?= $f['doc_count'] ?> fail</span></td>
                                <td><?= date('d/m/Y', strtotime($f['created_at'])) ?></td>
                                <td>
                                    <div class="action-group">
                                        <?php if ($folderViewId > 0): ?>
                                        <a href="view_folder.php?id=<?= $folderViewId ?>" class="btn-sm btn-view" title="Buka fail" aria-label="Buka fail"><i class="fas fa-eye"></i></a>
                                        <?php else: ?>
                                        <span class="btn-sm btn-view" style="opacity:0.6;cursor:not-allowed;" title="Fail tidak tersedia" aria-label="Fail tidak tersedia"><i class="fas fa-eye"></i></span>
                                        <?php endif; ?>
                                        <?php if ($can_close_folder && empty($f['closed_at'])): ?>
                                        | <a href="process_folder.php?action=close&id=<?= $folderViewId ?>" class="btn-sm btn-delete" onclick="return confirm('Tutup fail ini? Selepas ditutup, surat baru tidak boleh ditambah ke fail ini.')" title="Tutup fail" aria-label="Tutup fail"><i class="fas fa-lock"></i></a>
                                        <?php endif; ?>
                                        <?php if ($can_delete_folder): ?>
                                        | <a href="process_folder.php?action=delete&id=<?= $folderViewId ?>" class="btn-sm btn-delete" onclick="return confirm('Padam fail ini?')" title="Padam fail" aria-label="Padam fail"><i class="fas fa-trash-alt"></i></a>
                                        <?php endif; ?>
                                    </div>
                                </td>
                            </tr>
                            <?php endforeach; ?>
                        <?php endif; ?>
                    </tbody>
                </table>
                <?php renderPaginationControls($section_pagination, 'fail'); ?>
            </div>
        </div>
        <?php endforeach; ?>

        <div class="page-footer">
            Hakcipta Terpelihara &copy; <?= date('Y') ?> Majlis Agama Islam Negeri Pulau Pinang.
        </div>
    </main>

    <script>
        const sidebar = document.getElementById('sidebar');
        const toggleBtn = document.getElementById('sidebarToggle');
        if (toggleBtn) {
            toggleBtn.addEventListener('click', () => sidebar.classList.toggle('collapsed'));
        }
        if (window.innerWidth < 992) sidebar.classList.add('collapsed');

        document.querySelectorAll('.sidebar-menu .dropdown-toggle, .dropdown-toggle').forEach(btn => {
            btn.addEventListener('click', function(e) {
                e.preventDefault();
                const dropdown = this.parentElement;
                const isActive = dropdown.classList.contains('active');
                document.querySelectorAll('.sidebar-menu .dropdown, .dropdown').forEach(item => {
                    if (item !== dropdown) item.classList.remove('active');
                });
                dropdown.classList.toggle('active', !isActive);
            });
        });
        function confirmLogout() {
            return confirm("Adakah anda pasti ingin log keluar?");
        }
    </script>
    <?php renderSessionTimeoutScript(); ?>
</body>
</html>
