$sKey):
$isDone = isset($doneSet[$sKey]);
$isActive = ($sKey === $currentStatus && !$activeFound);
if ($isActive) $activeFound = true;
$nextDone = isset($mainSteps[$idx+1]) && isset($doneSet[$mainSteps[$idx+1]]);
$iconClass = $isActive ? 'active' : ($isDone ? 'done' : '');
$labelClass = $iconClass;
$sl = $stepLabels[$sKey] ?? ['label' => $sKey, 'icon' => 'circle'];
?>