function wbc_match_admin_shortcode( $atts ) {

    // Default
    $match_id = 12;

    // Shortcode attribute takes priority
    if ( isset($atts['match_id']) ) {
        $match_id = intval($atts['match_id']);
    }

    // URL parameter fallback
    if ( isset($_GET['match_id']) ) {
        $match_id = intval($_GET['match_id']);
    }

    // If no match ID, stop early
    if ( !$match_id ) {
        return '<div class="wbc-admin-message">No match selected.</div>';
    }

    // Load data
    $match        = wbc_get_match_data( $match_id );
    $availability = wbc_get_availability_data( $match_id );
    $status       = wbc_get_match_status( $match_id );

    ob_start();
    ?>

    <div class="wbc-match-admin-wrapper">

        <!-- MATCH HEADER -->
        <section class="wbc-match-header">
            <h2 class="wbc-match-title">
                <br />
<b>Warning</b>:  Undefined variable $match in <b>/homepages/16/d4299354626/htdocs/wordpress/wp-content/plugins/WBC 2027/wbc-match-admin.php</b> on line <b>34</b><br />
<br />
<b>Warning</b>:  Trying to access array offset on null in <b>/homepages/16/d4299354626/htdocs/wordpress/wp-content/plugins/WBC 2027/wbc-match-admin.php</b> on line <b>34</b><br />
<br />
<b>Warning</b>:  Undefined variable $match in <b>/homepages/16/d4299354626/htdocs/wordpress/wp-content/plugins/WBC 2027/wbc-match-admin.php</b> on line <b>34</b><br />
<br />
<b>Warning</b>:  Trying to access array offset on null in <b>/homepages/16/d4299354626/htdocs/wordpress/wp-content/plugins/WBC 2027/wbc-match-admin.php</b> on line <b>34</b><br />
 vs             </h2>

            <div class="wbc-match-meta">
                <span><br />
<b>Warning</b>:  Undefined variable $match in <b>/homepages/16/d4299354626/htdocs/wordpress/wp-content/plugins/WBC 2027/wbc-match-admin.php</b> on line <b>38</b><br />
<br />
<b>Warning</b>:  Trying to access array offset on null in <b>/homepages/16/d4299354626/htdocs/wordpress/wp-content/plugins/WBC 2027/wbc-match-admin.php</b> on line <b>38</b><br />
</span>
                <span>— <br />
<b>Warning</b>:  Undefined variable $match in <b>/homepages/16/d4299354626/htdocs/wordpress/wp-content/plugins/WBC 2027/wbc-match-admin.php</b> on line <b>39</b><br />
<br />
<b>Warning</b>:  Trying to access array offset on null in <b>/homepages/16/d4299354626/htdocs/wordpress/wp-content/plugins/WBC 2027/wbc-match-admin.php</b> on line <b>39</b><br />
</span>
                <span>— <br />
<b>Warning</b>:  Undefined variable $match in <b>/homepages/16/d4299354626/htdocs/wordpress/wp-content/plugins/WBC 2027/wbc-match-admin.php</b> on line <b>40</b><br />
<br />
<b>Warning</b>:  Trying to access array offset on null in <b>/homepages/16/d4299354626/htdocs/wordpress/wp-content/plugins/WBC 2027/wbc-match-admin.php</b> on line <b>40</b><br />
</span>
                <span>— <br />
<b>Warning</b>:  Undefined variable $match in <b>/homepages/16/d4299354626/htdocs/wordpress/wp-content/plugins/WBC 2027/wbc-match-admin.php</b> on line <b>41</b><br />
<br />
<b>Warning</b>:  Trying to access array offset on null in <b>/homepages/16/d4299354626/htdocs/wordpress/wp-content/plugins/WBC 2027/wbc-match-admin.php</b> on line <b>41</b><br />
 Rinks</span>
            </div>

            <div class="wbc-match-status-row">
                <span class="wbc-status-pill">
                    Availability: <br />
<b>Warning</b>:  Undefined variable $status in <b>/homepages/16/d4299354626/htdocs/wordpress/wp-content/plugins/WBC 2027/wbc-match-admin.php</b> on line <b>46</b><br />
<br />
<b>Warning</b>:  Trying to access array offset on null in <b>/homepages/16/d4299354626/htdocs/wordpress/wp-content/plugins/WBC 2027/wbc-match-admin.php</b> on line <b>46</b><br />
Closed                </span>
                <span class="wbc-status-pill">
                    Team Sheet: <br />
<b>Warning</b>:  Undefined variable $status in <b>/homepages/16/d4299354626/htdocs/wordpress/wp-content/plugins/WBC 2027/wbc-match-admin.php</b> on line <b>49</b><br />
<br />
<b>Warning</b>:  Trying to access array offset on null in <b>/homepages/16/d4299354626/htdocs/wordpress/wp-content/plugins/WBC 2027/wbc-match-admin.php</b> on line <b>49</b><br />
Not Saved                </span>
                <span class="wbc-status-pill">
                    Result: <br />
<b>Warning</b>:  Undefined variable $status in <b>/homepages/16/d4299354626/htdocs/wordpress/wp-content/plugins/WBC 2027/wbc-match-admin.php</b> on line <b>52</b><br />
<br />
<b>Warning</b>:  Trying to access array offset on null in <b>/homepages/16/d4299354626/htdocs/wordpress/wp-content/plugins/WBC 2027/wbc-match-admin.php</b> on line <b>52</b><br />
Not Completed                </span>
            </div>
        </section>

        <!-- MAIN LAYOUT -->
        <section class="wbc-match-main wbc-layout">

            <!-- SIDEBAR -->
            <aside class="wbc-match-sidebar">

                <div class="wbc-sidebar-group">
                    <h4 class="wbc-sidebar-heading">Team Sheet & Print</h4>
                    <button class="wbc-sidebar-btn" data-action="print-availability">Print Availability</button>
                    <button class="wbc-sidebar-btn" data-action="select-team">Select Team</button>
                    <button class="wbc-sidebar-btn" data-action="edit-team-sheet">Edit Team Sheet</button>
                    <button class="wbc-sidebar-btn" data-action="print-team-sheet">Print Team Sheet</button>
                </div>

                <div class="wbc-sidebar-group">
                    <h4 class="wbc-sidebar-heading">Availability</h4>
                    <button class="wbc-sidebar-btn" data-action="open-availability">Open Availability</button>
                    <button class="wbc-sidebar-btn" data-action="close-availability">Close Availability</button>
                    <button class="wbc-sidebar-btn" data-action="back-to-availability">Back to Availability</button>
                </div>

                <div class="wbc-sidebar-group">
                    <h4 class="wbc-sidebar-heading">Results</h4>
                    <br />
<b>Warning</b>:  Undefined variable $status in <b>/homepages/16/d4299354626/htdocs/wordpress/wp-content/plugins/WBC 2027/wbc-match-admin.php</b> on line <b>80</b><br />
<br />
<b>Warning</b>:  Trying to access array offset on null in <b>/homepages/16/d4299354626/htdocs/wordpress/wp-content/plugins/WBC 2027/wbc-match-admin.php</b> on line <b>80</b><br />
                        <button class="wbc-sidebar-btn" data-action="record-result">Record Result</button>
                                        <div class="wbc-sidebar-status">
                        Results: <br />
<b>Warning</b>:  Undefined variable $status in <b>/homepages/16/d4299354626/htdocs/wordpress/wp-content/plugins/WBC 2027/wbc-match-admin.php</b> on line <b>86</b><br />
<br />
<b>Warning</b>:  Trying to access array offset on null in <b>/homepages/16/d4299354626/htdocs/wordpress/wp-content/plugins/WBC 2027/wbc-match-admin.php</b> on line <b>86</b><br />
Not Completed                    </div>
                </div>

                <div class="wbc-sidebar-group">
                    <h4 class="wbc-sidebar-heading">Archive</h4>
                    <button class="wbc-sidebar-btn wbc-sidebar-btn-danger" data-action="archive-match">Archive Match</button>
                </div>

            </aside>

            <!-- MAIN CONTENT -->
            <div class="wbc-match-content">

                <!-- PLAYER AVAILABILITY -->
                <section class="wbc-card wbc-availability-card">
                    <h3 class="wbc-card-title">Player Availability</h3>

                    <div class="wbc-availability-columns">

                        <div class="wbc-availability-column">
                            <h4>Available (<br />
<b>Warning</b>:  Undefined variable $availability in <b>/homepages/16/d4299354626/htdocs/wordpress/wp-content/plugins/WBC 2027/wbc-match-admin.php</b> on line <b>107</b><br />
<br />
<b>Warning</b>:  Trying to access array offset on null in <b>/homepages/16/d4299354626/htdocs/wordpress/wp-content/plugins/WBC 2027/wbc-match-admin.php</b> on line <b>107</b><br />
<br />
<b>Fatal error</b>:  Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, null given in /homepages/16/d4299354626/htdocs/wordpress/wp-content/plugins/WBC 2027/wbc-match-admin.php:107
Stack trace:
#0 /homepages/16/d4299354626/htdocs/wordpress/wp-content/plugins/WBC 2027/wbc-2027.php(23): require_once()
#1 /homepages/16/d4299354626/htdocs/wordpress/wp-settings.php(597): include_once('/homepages/16/d...')
#2 /homepages/16/d4299354626/htdocs/wordpress/wp-config.php(114): require_once('/homepages/16/d...')
#3 /homepages/16/d4299354626/htdocs/wordpress/wp-load.php(50): require_once('/homepages/16/d...')
#4 /homepages/16/d4299354626/htdocs/wordpress/wp-blog-header.php(13): require_once('/homepages/16/d...')
#5 /homepages/16/d4299354626/htdocs/wordpress/index.php(17): require('/homepages/16/d...')
#6 {main}
  thrown in <b>/homepages/16/d4299354626/htdocs/wordpress/wp-content/plugins/WBC 2027/wbc-match-admin.php</b> on line <b>107</b><br />