@php
    $currentBy  = request()->input('sort_by');
    $currentDir = request()->input('sort_dir', 'asc');
    $isActive   = $currentBy === $column;
    $nextDir    = ($isActive && $currentDir === 'asc') ? 'desc' : 'asc';
    $params     = array_merge(request()->except(['sort_by', 'sort_dir', 'page']), [
        'sort_by'  => $column,
        'sort_dir' => $nextDir,
    ]);
    $href = request()->url() . '?' . http_build_query($params);

    if ($isActive) {
        $icon = $currentDir === 'asc' ? 'bi-sort-up-alt' : 'bi-sort-down-alt';
        $iconClass = 'text-primary';
    } else {
        $icon = 'bi-arrow-down-up';
        $iconClass = 'text-muted opacity-50';
    }

    $thClass = $thClass ?? null;
@endphp
<th{{ $thClass ? " class=\"{$thClass}\"" : '' }}>
    <a href="{{ $href }}" class="text-decoration-none text-dark d-inline-flex align-items-center gap-1">
        <span>{{ $label }}</span>
        <i class="bi {{ $icon }} {{ $iconClass }}" style="font-size:.7rem"></i>
    </a>
</th>