<?php
// Check if panggil.php exists and includes proper database connection
if (!file_exists('panggil.php')) {
die("Error: panggil.php file not found!");
}
include 'panggil.php';
if($_SESSION['role'] != 'admin') {
header('Location: kegiatan.view.php');
exit;
}
// Check if database connection is properly established
// Assuming your panggil.php uses $conn or $connection variable
if (!isset($conn) && !isset($connection)) {
die("Error: Database connection failed. Please check your panggil.php file.");
}
// Use the connection variable (adjust based on your panggil.php)
$db = isset($conn) ? $conn : $connection;
// Handle Excel Export
if (isset($_POST['export_excel'])) {
$participants = json_decode($_POST['participants'], true);
$categories = json_decode($_POST['categories'], true);
$kegiatan = json_decode($_POST['kegiatan'], true);
$selectedKegiatan = $_POST['selected_kegiatan'] ?? 'all';
$selectedCategory = $_POST['selected_category'] ?? 'all';
$isShuffled = $_POST['is_shuffled'] === '1';
if (!empty($participants) && is_array($participants)) {
// Create filename with timestamp
$timestamp = date('Y-m-d_H-i-s');
$filename = "Turnamen_Panahan_Bantalan_" . $timestamp . ".xlsx";
// Set headers for Excel file download
header('Content-Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet');
header('Content-Disposition: attachment; filename="' . $filename . '"');
header('Cache-Control: max-age=0');
// Excel XML content
echo '<?xml version="1.0"?>
<?mso-application progid="Excel.Sheet"?>
<Workbook xmlns="urn:schemas-microsoft-com:office:spreadsheet"
xmlns:o="urn:schemas-microsoft-com:office:office"
xmlns:x="urn:schemas-microsoft-com:office:excel"
xmlns:ss="urn:schemas-microsoft-com:office:spreadsheet"
xmlns:html="http://www.w3.org/TR/REC-html40">
<DocumentProperties xmlns="urn:schemas-microsoft-com:office:office">
<Author>Turnamen Panahan System</Author>
<Created>' . date('Y-m-d\TH:i:s\Z') . '</Created>
<Company>Turnamen Panahan</Company>
<Version>16.00</Version>
</DocumentProperties>
<ExcelWorkbook xmlns="urn:schemas-microsoft-com:office:excel">
<WindowHeight>8640</WindowHeight>
<WindowWidth>20250</WindowWidth>
<WindowTopX>0</WindowTopX>
<WindowTopY>0</WindowTopY>
<ProtectStructure>False</ProtectStructure>
<ProtectWindows>False</ProtectWindows>
</ExcelWorkbook>
<Styles>
<Style ss:ID="Default" ss:Name="Normal">
<Alignment ss:Vertical="Bottom"/>
<Borders/>
<Font ss:FontName="Calibri" x:Family="Swiss" ss:Size="11" ss:Color="#000000"/>
<Interior/>
<NumberFormat/>
<Protection/>
</Style>
<Style ss:ID="Header">
<Alignment ss:Horizontal="Center" ss:Vertical="Center"/>
<Font ss:FontName="Calibri" x:Family="Swiss" ss:Size="12" ss:Color="#FFFFFF" ss:Bold="1"/>
<Interior ss:Color="#4472C4" ss:Pattern="Solid"/>
<Borders>
<Border ss:Position="Bottom" ss:LineStyle="Continuous" ss:Weight="1"/>
<Border ss:Position="Left" ss:LineStyle="Continuous" ss:Weight="1"/>
<Border ss:Position="Right" ss:LineStyle="Continuous" ss:Weight="1"/>
<Border ss:Position="Top" ss:LineStyle="Continuous" ss:Weight="1"/>
</Borders>
</Style>
<Style ss:ID="Data">
<Alignment ss:Vertical="Center"/>
<Font ss:FontName="Calibri" x:Family="Swiss" ss:Size="11"/>
<Borders>
<Border ss:Position="Bottom" ss:LineStyle="Continuous" ss:Weight="1" ss:Color="#D1D1D1"/>
<Border ss:Position="Left" ss:LineStyle="Continuous" ss:Weight="1" ss:Color="#D1D1D1"/>
<Border ss:Position="Right" ss:LineStyle="Continuous" ss:Weight="1" ss:Color="#D1D1D1"/>
<Border ss:Position="Top" ss:LineStyle="Continuous" ss:Weight="1" ss:Color="#D1D1D1"/>
</Borders>
</Style>
<Style ss:ID="BantalanNumber">
<Alignment ss:Horizontal="Center" ss:Vertical="Center"/>
<Font ss:FontName="Calibri" x:Family="Swiss" ss:Size="11" ss:Bold="1" ss:Color="#FFFFFF"/>
<Interior ss:Color="#5B9BD5" ss:Pattern="Solid"/>
<Borders>
<Border ss:Position="Bottom" ss:LineStyle="Continuous" ss:Weight="1"/>
<Border ss:Position="Left" ss:LineStyle="Continuous" ss:Weight="1"/>
<Border ss:Position="Right" ss:LineStyle="Continuous" ss:Weight="1"/>
<Border ss:Position="Top" ss:LineStyle="Continuous" ss:Weight="1"/>
</Borders>
</Style>
<Style ss:ID="BantalanLetter">
<Alignment ss:Horizontal="Center" ss:Vertical="Center"/>
<Font ss:FontName="Calibri" x:Family="Swiss" ss:Size="11" ss:Bold="1" ss:Color="#FFFFFF"/>
<Interior ss:Color="#70AD47" ss:Pattern="Solid"/>
<Borders>
<Border ss:Position="Bottom" ss:LineStyle="Continuous" ss:Weight="1"/>
<Border ss:Position="Left" ss:LineStyle="Continuous" ss:Weight="1"/>
<Border ss:Position="Right" ss:LineStyle="Continuous" ss:Weight="1"/>
<Border ss:Position="Top" ss:LineStyle="Continuous" ss:Weight="1"/>
</Borders>
</Style>
<Style ss:ID="Title">
<Alignment ss:Horizontal="Center" ss:Vertical="Center"/>
<Font ss:FontName="Calibri" x:Family="Swiss" ss:Size="16" ss:Bold="1"/>
</Style>
<Style ss:ID="Subtitle">
<Alignment ss:Horizontal="Center" ss:Vertical="Center"/>
<Font ss:FontName="Calibri" x:Family="Swiss" ss:Size="12"/>
</Style>
</Styles>
<Worksheet ss:Name="Daftar Bantalan">
<Table ss:ExpandedColumnCount="9" ss:ExpandedRowCount="' . (count($participants) + 10) . '" x:FullColumns="1" x:FullRows="1" ss:DefaultRowHeight="15">
<Column ss:AutoFitWidth="0" ss:Width="40"/>
<Column ss:AutoFitWidth="0" ss:Width="150"/>
<Column ss:AutoFitWidth="0" ss:Width="120"/>
<Column ss:AutoFitWidth="0" ss:Width="120"/>
<Column ss:AutoFitWidth="0" ss:Width="100"/>
<Column ss:AutoFitWidth="0" ss:Width="120"/>
<Column ss:AutoFitWidth="0" ss:Width="120"/>
<Column ss:AutoFitWidth="0" ss:Width="60"/>
<Column ss:AutoFitWidth="0" ss:Width="60"/>
<!-- Title -->
<Row ss:Height="25">
<Cell ss:MergeAcross="8" ss:StyleID="Title">
<Data ss:Type="String">TURNAMEN PANAHAN - DAFTAR BANTALAN</Data>
</Cell>
</Row>
<!-- Export Info -->
<Row ss:Height="20">
<Cell ss:MergeAcross="8" ss:StyleID="Subtitle">
<Data ss:Type="String">Diekspor pada: ' . date('d/m/Y H:i:s') . '</Data>
</Cell>
</Row>';
// Add filter info if any filters are applied
if ($selectedKegiatan !== 'all' || $selectedCategory !== 'all') {
echo '
<Row ss:Height="20">
<Cell ss:MergeAcross="8" ss:StyleID="Subtitle">
<Data ss:Type="String">Filter: ';
if ($selectedKegiatan !== 'all') {
$kegiatanName = $kegiatan[$selectedKegiatan] ?? "Kegiatan $selectedKegiatan";
echo "Kegiatan: $kegiatanName";
}
if ($selectedCategory !== 'all') {
$categoryName = $categories[$selectedCategory] ?? "Kategori $selectedCategory";
if ($selectedKegiatan !== 'all') {
echo " | ";
}
echo "Kategori: $categoryName";
}
echo '</Data>
</Cell>
</Row>';
}
if ($isShuffled) {
echo '
<Row ss:Height="20">
<Cell ss:MergeAcross="8" ss:StyleID="Subtitle">
<Data ss:Type="String">Catatan: Urutan peserta telah diacak</Data>
</Cell>
</Row>';
}
echo '
<!-- Empty Row -->
<Row ss:Height="15"/>
<!-- Headers -->
<Row ss:Height="20">
<Cell ss:StyleID="Header"><Data ss:Type="String">No.</Data></Cell>
<Cell ss:StyleID="Header"><Data ss:Type="String">Nama Peserta</Data></Cell>
<Cell ss:StyleID="Header"><Data ss:Type="String">Nama Club</Data></Cell>
<Cell ss:StyleID="Header"><Data ss:Type="String">Asal Kota</Data></Cell>
<Cell ss:StyleID="Header"><Data ss:Type="String">Jenis Kelamin</Data></Cell>
<Cell ss:StyleID="Header"><Data ss:Type="String">Kategori</Data></Cell>
<Cell ss:StyleID="Header"><Data ss:Type="String">Kegiatan</Data></Cell>
<Cell ss:StyleID="Header"><Data ss:Type="String">Bantalan No.</Data></Cell>
<Cell ss:StyleID="Header"><Data ss:Type="String">Bantalan Huruf</Data></Cell>
</Row>';
// Add participant data
foreach ($participants as $index => $participant) {
$no = $index + 1;
$nama = htmlspecialchars($participant['nama_peserta'] ?? '', ENT_XML1);
$club = htmlspecialchars($participant['nama_club'] ?? '', ENT_XML1);
$kota = htmlspecialchars($participant['asal_kota'] ?? '', ENT_XML1);
$jenisKelamin = htmlspecialchars($participant['jenis_kelamin'] ?? '', ENT_XML1);
$kategoriName = htmlspecialchars($categories[$participant['category_id']] ?? "Kategori {$participant['category_id']}", ENT_XML1);
$kegiatanName = htmlspecialchars($kegiatan[$participant['kegiatan_id']] ?? "Kegiatan {$participant['kegiatan_id']}", ENT_XML1);
$bantalanNo = $participant['randomNumber'];
$bantalanHuruf = $participant['randomLetter'];
echo '
<Row>
<Cell ss:StyleID="Data"><Data ss:Type="Number">' . $no . '</Data></Cell>
<Cell ss:StyleID="Data"><Data ss:Type="String">' . $nama . '</Data></Cell>
<Cell ss:StyleID="Data"><Data ss:Type="String">' . $club . '</Data></Cell>
<Cell ss:StyleID="Data"><Data ss:Type="String">' . $kota . '</Data></Cell>
<Cell ss:StyleID="Data"><Data ss:Type="String">' . $jenisKelamin . '</Data></Cell>
<Cell ss:StyleID="Data"><Data ss:Type="String">' . $kategoriName . '</Data></Cell>
<Cell ss:StyleID="Data"><Data ss:Type="String">' . $kegiatanName . '</Data></Cell>
<Cell ss:StyleID="BantalanNumber"><Data ss:Type="Number">' . $bantalanNo . '</Data></Cell>
<Cell ss:StyleID="BantalanLetter"><Data ss:Type="String">' . $bantalanHuruf . '</Data></Cell>
</Row>';
}
echo '
</Table>
</Worksheet>
</Workbook>';
exit;
}
}
// Enhanced shuffle function - multiple shuffles for better randomization
function betterShuffle(&$array) {
// Seed random number generator with current time
mt_srand(microtime(true) * 1000000);
// Shuffle multiple times for better randomization
for ($i = 0; $i < 5; $i++) {
shuffle($array);
// Add small delay to change seed
usleep(1000); // 1ms delay
mt_srand(microtime(true) * 1000000);
}
}
// Fetch data from database
$pesertaData = [];
$categoriesData = [];
$kegiatanData = [];
try {
// Get peserta data
$query = "SELECT * FROM peserta WHERE category_id IS NOT NULL AND kegiatan_id IS NOT NULL";
$result = mysqli_query($db, $query);
if (!$result) {
throw new Exception("Error fetching peserta data: " . mysqli_error($db));
}
while ($row = mysqli_fetch_assoc($result)) {
$pesertaData[] = $row;
}
// Get categories data
$query = "SELECT * FROM categories";
$result = mysqli_query($db, $query);
if (!$result) {
throw new Exception("Error fetching categories data: " . mysqli_error($db));
}
while ($row = mysqli_fetch_assoc($result)) {
$categoriesData[$row['id']] = $row['nama_kategori'] ?? $row['name'] ?? "Kategori {$row['id']}";
}
// Get kegiatan data
$query = "SELECT * FROM kegiatan";
$result = mysqli_query($db, $query);
if (!$result) {
throw new Exception("Error fetching kegiatan data: " . mysqli_error($db));
}
while ($row = mysqli_fetch_assoc($result)) {
$kegiatanData[$row['id']] = $row['nama_kegiatan'] ?? $row['name'] ?? "Kegiatan {$row['id']}";
}
} catch(Exception $e) {
die("Database Error: " . $e->getMessage());
}
// Filter logic
$selectedKegiatan = $_GET['kegiatan'] ?? 'all';
$selectedCategory = $_GET['kategori'] ?? 'all';
$isShuffled = isset($_GET['shuffle']) && $_GET['shuffle'] == '1';
// Filter participants
$filteredParticipants = $pesertaData;
if ($selectedKegiatan !== 'all') {
$filteredParticipants = array_filter($filteredParticipants, function($p) use ($selectedKegiatan) {
return $p['kegiatan_id'] == $selectedKegiatan;
});
}
if ($selectedCategory !== 'all') {
$filteredParticipants = array_filter($filteredParticipants, function($p) use ($selectedCategory) {
return $p['category_id'] == $selectedCategory;
});
}
// Reset array keys
$filteredParticipants = array_values($filteredParticipants);
// Enhanced shuffle if requested
if ($isShuffled) {
betterShuffle($filteredParticipants);
}
// Assign bantalan (A, B, C pattern)
$letters = ['A', 'B', 'C'];
foreach ($filteredParticipants as $index => &$participant) {
$participant['randomNumber'] = floor($index / 3) + 1;
$participant['randomLetter'] = $letters[$index % 3];
}
// Get unique kegiatan and categories for filters
$availableKegiatan = array_unique(array_column($pesertaData, 'kegiatan_id'));
$availableCategories = array_unique(array_column(
array_filter($pesertaData, function($p) use ($selectedKegiatan) {
return $selectedKegiatan === 'all' || $p['kegiatan_id'] == $selectedKegiatan;
}),
'category_id'
));
?>
<!DOCTYPE html>
<html lang="id">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Turnamen Panahan</title>
<script src="https://cdn.tailwindcss.com"></script>
<link href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.0.0/css/all.min.css" rel="stylesheet">
</head>
<body class="min-h-screen bg-gradient-to-br from-blue-50 to-indigo-100">
<div class="p-6">
<div class="max-w-7xl mx-auto">
<!-- Header -->
<div class="bg-white rounded-xl shadow-lg p-6 mb-6">
<div class="flex items-center justify-between mb-4">
<div class="flex items-center space-x-3">
<i class="fas fa-bullseye text-indigo-600 text-3xl"></i>
<h1 class="text-3xl font-bold text-gray-800">Turnamen Panahan</h1>
</div>
<div class="flex items-center space-x-4">
<!-- Export to Excel Button -->
<?php if (count($filteredParticipants) > 0): ?>
<form method="POST" style="display: inline;">
<input type="hidden" name="participants" value="<?php echo htmlspecialchars(json_encode($filteredParticipants)); ?>">
<input type="hidden" name="categories" value="<?php echo htmlspecialchars(json_encode($categoriesData)); ?>">
<input type="hidden" name="kegiatan" value="<?php echo htmlspecialchars(json_encode($kegiatanData)); ?>">
<input type="hidden" name="selected_kegiatan" value="<?php echo htmlspecialchars($selectedKegiatan); ?>">
<input type="hidden" name="selected_category" value="<?php echo htmlspecialchars($selectedCategory); ?>">
<input type="hidden" name="is_shuffled" value="<?php echo $isShuffled ? '1' : '0'; ?>">
<button type="submit" name="export_excel" class="bg-green-600 hover:bg-green-700 text-white font-medium py-2 px-4 rounded-lg transition-colors duration-200 flex items-center space-x-2 shadow-md hover:shadow-lg">
<i class="fas fa-file-excel"></i>
<span>Export Excel</span>
</button>
</form>
<?php endif; ?>
<!-- Back to Dashboard Button -->
<a href="dashboard.php" class="bg-gray-600 hover:bg-gray-700 text-white font-medium py-2 px-4 rounded-lg transition-colors duration-200 flex items-center space-x-2 shadow-md hover:shadow-lg">
<i class="fas fa-arrow-left"></i>
<span>Kembali ke Dashboard</span>
</a>
<!-- Participant Count -->
<div class="flex items-center space-x-2 text-sm text-gray-600">
<i class="fas fa-users"></i>
<span><?php echo count($filteredParticipants); ?> Peserta</span>
</div>
</div>
</div>
<!-- Filters -->
<form method="GET" class="grid grid-cols-1 md:grid-cols-4 gap-4 mb-4">
<div>
<label class="block text-sm font-medium text-gray-700 mb-2">Kegiatan</label>
<select name="kegiatan" onchange="this.form.submit()" class="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-indigo-500 focus:border-indigo-500">
<option value="all" <?php echo $selectedKegiatan === 'all' ? 'selected' : ''; ?>>Semua Kegiatan</option>
<?php foreach ($availableKegiatan as $kegiatanId): ?>
<option value="<?php echo $kegiatanId; ?>" <?php echo $selectedKegiatan == $kegiatanId ? 'selected' : ''; ?>>
<?php echo htmlspecialchars($kegiatanData[$kegiatanId] ?? "Kegiatan $kegiatanId"); ?>
</option>
<?php endforeach; ?>
</select>
</div>
<div>
<label class="block text-sm font-medium text-gray-700 mb-2">Kategori</label>
<select name="kategori" onchange="this.form.submit()" class="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-indigo-500 focus:border-indigo-500">
<option value="all" <?php echo $selectedCategory === 'all' ? 'selected' : ''; ?>>Semua Kategori</option>
<?php foreach ($availableCategories as $categoryId): ?>
<option value="<?php echo $categoryId; ?>" <?php echo $selectedCategory == $categoryId ? 'selected' : ''; ?>>
<?php echo htmlspecialchars($categoriesData[$categoryId] ?? "Kategori $categoryId"); ?>
</option>
<?php endforeach; ?>
</select>
</div>
<div class="flex items-end">
<button type="submit" name="shuffle" value="<?php echo $isShuffled ? '0' : '1'; ?>"
class="w-full bg-indigo-600 hover:bg-indigo-700 text-white font-medium py-2 px-4 rounded-lg transition-colors duration-200 flex items-center justify-center space-x-2">
<i class="fas fa-random"></i>
<span><?php echo $isShuffled ? 'Reset Urutan' : 'Acak Bantalan'; ?></span>
</button>
</div>
<div class="flex items-end">
<button type="button" onclick="window.location.href='<?php echo $_SERVER['PHP_SELF']; ?>'"
class="w-full bg-gray-600 hover:bg-gray-700 text-white font-medium py-2 px-4 rounded-lg transition-colors duration-200 flex items-center justify-center space-x-2">
<i class="fas fa-sync-alt"></i>
<span>Refresh</span>
</button>
</div>
<!-- Hidden inputs to maintain other filters -->
<?php if ($selectedKegiatan !== 'all'): ?>
<input type="hidden" name="kegiatan" value="<?php echo htmlspecialchars($selectedKegiatan); ?>">
<?php endif; ?>
<?php if ($selectedCategory !== 'all'): ?>
<input type="hidden" name="kategori" value="<?php echo htmlspecialchars($selectedCategory); ?>">
<?php endif; ?>
</form>
</div>
<!-- Table -->
<div class="bg-white rounded-xl shadow-lg overflow-hidden">
<div class="overflow-x-auto">
<table class="w-full">
<thead class="bg-gradient-to-r from-indigo-600 to-blue-600 text-white">
<tr>
<th class="px-4 py-3 text-left text-sm font-semibold">No.</th>
<th class="px-4 py-3 text-left text-sm font-semibold">Nama Peserta</th>
<th class="px-4 py-3 text-left text-sm font-semibold">Nama Club</th>
<th class="px-4 py-3 text-left text-sm font-semibold">Asal Kota</th>
<th class="px-4 py-3 text-left text-sm font-semibold">Kategori</th>
<th class="px-4 py-3 text-left text-sm font-semibold">Kegiatan</th>
<th class="px-4 py-3 text-center text-sm font-semibold">Bantalan</th>
</tr>
</thead>
<tbody class="divide-y divide-gray-200">
<?php if (count($filteredParticipants) > 0): ?>
<?php foreach ($filteredParticipants as $index => $participant): ?>
<tr class="<?php echo $index % 2 === 0 ? 'bg-white hover:bg-gray-50' : 'bg-gray-50 hover:bg-gray-100'; ?>">
<td class="px-4 py-3 text-sm text-gray-900"><?php echo $index + 1; ?></td>
<td class="px-4 py-3">
<div class="text-sm font-medium text-gray-900"><?php echo htmlspecialchars($participant['nama_peserta'] ?? ''); ?></div>
<div class="text-xs text-gray-500"><?php echo htmlspecialchars($participant['jenis_kelamin'] ?? ''); ?></div>
</td>
<td class="px-4 py-3 text-sm text-gray-900"><?php echo htmlspecialchars($participant['nama_club'] ?? ''); ?></td>
<td class="px-4 py-3 text-sm text-gray-900"><?php echo htmlspecialchars($participant['asal_kota'] ?? ''); ?></td>
<td class="px-4 py-3">
<span class="inline-flex items-center px-2.5 py-0.5 rounded-full text-xs font-medium bg-blue-100 text-blue-800">
<?php echo htmlspecialchars($categoriesData[$participant['category_id']] ?? "Kategori {$participant['category_id']}"); ?>
</span>
</td>
<td class="px-4 py-3 text-sm text-gray-900">
<?php echo htmlspecialchars($kegiatanData[$participant['kegiatan_id']] ?? "Kegiatan {$participant['kegiatan_id']}"); ?>
</td>
<td class="px-4 py-3">
<div class="flex items-center justify-center space-x-1">
<span class="bg-indigo-600 text-white text-sm font-bold px-3 py-2 rounded-lg shadow-md min-w-[40px] text-center">
<?php echo $participant['randomNumber']; ?>
</span>
<span class="bg-green-600 text-white text-sm font-bold px-3 py-2 rounded-lg shadow-md min-w-[40px] text-center">
<?php echo $participant['randomLetter']; ?>
</span>
</div>
</td>
</tr>
<?php endforeach; ?>
<?php else: ?>
<tr>
<td colspan="7" class="px-4 py-8 text-center text-gray-500">
<div class="flex flex-col items-center space-y-2">
<i class="fas fa-users text-gray-300 text-5xl"></i>
<span>Tidak ada peserta yang sesuai dengan filter</span>
</div>
</td>
</tr>
<?php endif; ?>
</tbody>
</table>
</div>
</div>
<!-- Summary Card -->
<?php if (count($filteredParticipants) > 0): ?>
<div class="bg-white rounded-xl shadow-lg p-6 mt-6">
<h3 class="text-lg font-semibold text-gray-800 mb-4">Ringkasan</h3>
<div class="grid grid-cols-1 md:grid-cols-4 gap-4">
<div class="bg-blue-50 rounded-lg p-4">
<div class="text-2xl font-bold text-blue-600"><?php echo count($filteredParticipants); ?></div>
<div class="text-sm text-blue-800">Total Peserta</div>
</div>
<div class="bg-green-50 rounded-lg p-4">
<div class="text-2xl font-bold text-green-600">
<?php echo count(array_unique(array_column($filteredParticipants, 'category_id'))); ?>
</div>
<div class="text-sm text-green-800">Kategori Aktif</div>
</div>
<div class="bg-purple-50 rounded-lg p-4">
<div class="text-2xl font-bold text-purple-600">
<?php echo count(array_unique(array_column($filteredParticipants, 'asal_kota'))); ?>
</div>
<div class="text-sm text-purple-800">Kota Asal</div>
</div>
<div class="bg-orange-50 rounded-lg p-4">
<div class="text-2xl font-bold text-orange-600">
<?php echo ceil(count($filteredParticipants) / 3); ?>
</div>
<div class="text-sm text-orange-800">Total Bantalan</div>
</div>
</div>
</div>
<?php endif; ?>
<!-- Instructions -->
<div class="bg-white rounded-xl shadow-lg p-6 mt-6">
<h3 class="text-lg font-semibold text-gray-800 mb-3">Cara Penggunaan</h3>
<div class="grid grid-cols-1 md:grid-cols-2 gap-4 text-sm text-gray-600">
<div>
<h4 class="font-medium text-gray-800 mb-2">Sistem Bantalan:</h4>
<ul class="space-y-1">
<li>• Setiap bantalan terdiri dari 3 peserta (A, B, C)</li>
<li>• Bantalan 1: 1A, 1B, 1C</li>
<li>• Bantalan 2: 2A, 2B, 2C</li>
<li>• Dan seterusnya...</li>
</ul>
</div>
<div>
<h4 class="font-medium text-gray-800 mb-2">Fitur:</h4>
<ul class="space-y-1">
<li>• Filter berdasarkan kegiatan dan kategori</li>
<li>• Acak bantalan untuk pengundian (5x shuffle)</li>
<li>• Reset urutan ke posisi awal</li>
<li>• Export ke Excel dengan format lengkap</li>
<li>• Ringkasan statistik peserta</li>
</ul>
</div>
</div>
</div>
</div>
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