<table cellpadding="0" cellspacing="0" role="presentation" style="margin:28px auto;">
    <tr>
        @foreach(str_split($slot) as $digit)
            <td align="center"
                style="width:46px;height:56px;background:#F4F6FB;border:1px solid #E5E7EB;border-radius:12px;font-size:24px;font-weight:700;color:#111827;letter-spacing:-0.5px;">
                {{ $digit }}
            </td>
            @if(!$loop->last)
                <td width="8"></td>
            @endif
        @endforeach
    </tr>
</table>
