feat(sidebar): sponsors and club import, for platform staff

"الرعاة" under Operations and "استيراد أندية" under Management, in the
existing markup and icon style. On the import pages the import item is the
active one rather than Organizations.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

layouts/partials/sidebar.php

@@ -66,10 +66,14 @@ try { $pendingWorkflows = $isAdmin ? $db->count('approval_requests', ['status' =
                     <svg class="nav-icon" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M6 9H4.5a2.5 2.5 0 0 1 0-5H6"/><path d="M18 9h1.5a2.5 2.5 0 0 0 0-5H18"/><path d="M4 22h16"/><path d="M10 14.66V17c0 .55-.47.98-.97 1.21C7.85 18.75 7 20.24 7 22"/><path d="M14 14.66V17c0 .55.47.98.97 1.21C16.15 18.75 17 20.24 17 22"/><path d="M18 2H6v7a6 6 0 0 0 12 0V2Z"/></svg>
                     <span class="nav-text">البطولات</span>
                 </a>
-                <a href="/organizations" class="nav-item <?= navActive('organizations', $currentModule) ?>">
+                <a href="/organizations" class="nav-item <?= str_starts_with($currentRoute, 'organizations/import') ? '' : navActive('organizations', $currentModule) ?>">
                     <svg class="nav-icon" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M3 21h18"/><path d="M5 21V7l8-4v18"/><path d="M19 21V11l-6-4"/><path d="M9 9h.01"/><path d="M9 13h.01"/><path d="M9 17h.01"/></svg>
                     <span class="nav-text">المنظمات</span>
                 </a>
+                <a href="/organizations/import" class="nav-item <?= str_starts_with($currentRoute, 'organizations/import') ? 'active' : '' ?>">
+                    <svg class="nav-icon" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4"/><polyline points="17 8 12 3 7 8"/><line x1="12" y1="3" x2="12" y2="15"/></svg>
+                    <span class="nav-text">استيراد أندية</span>
+                </a>
                 <a href="/users" class="nav-item <?= navActive('users', $currentModule) ?>">
                     <svg class="nav-icon" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M12 22s8-4 8-10V5l-8-3-8 3v7c0 6 8 10 8 10z"/><path d="M9 12l2 2 4-4"/></svg>
                     <span class="nav-text">المستخدمون</span>
@@ -92,6 +96,10 @@ try { $pendingWorkflows = $isAdmin ? $db->count('approval_requests', ['status' =
                     <svg class="nav-icon" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><rect x="2" y="7" width="20" height="14" rx="2" ry="2"/><path d="M16 21V5a2 2 0 0 0-2-2h-4a2 2 0 0 0-2 2v16"/></svg>
                     <span class="nav-text">الإعلانات</span>
                 </a>
+                <a href="/sponsors" class="nav-item <?= navActive('sponsors', $currentModule) ?>">
+                    <svg class="nav-icon" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="12" cy="8" r="7"/><polyline points="8.21 13.89 7 23 12 20 17 23 15.79 13.88"/></svg>
+                    <span class="nav-text">الرعاة</span>
+                </a>
                 <a href="/moderation" class="nav-item <?= navActive('moderation', $currentModule) ?>">
                     <svg class="nav-icon" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M12 22s8-4 8-10V5l-8-3-8 3v7c0 6 8 10 8 10z"/></svg>
                     <span class="nav-text">الإشراف</span>