Add NAS file manager integration and all pending platform changes

- Installed p7h/nas-file-manager package via private VCS repo
- Published config/nas-file-manager.php with super_admin middleware restriction
- Added NAS env vars to .env.example
- Created admin/nas-storage page with connection info panel and file browser widget
- Added NAS Storage link to admin sidebar (super_admin only)
- Added SuperAdminController@nasStorage method and admin.nas-storage route
- Includes all accumulated branch changes: profile wall, 2FA, audit logs,
  settings panel, country/phone/timezone components, posts, slideshow,
  playlist shares, video downloads/shares, comment likes, notifications,
  social links, and more

Co-Authored-By: Claude Sonnet 4.6 <[email protected]>

resources/views/layouts/partials/add-to-playlist-modal.blade.php

@@ -34,10 +34,10 @@
                     <input type="text" id="newPlaylistName" placeholder="Playlist name"
                         style="width: 100%; padding: 12px 14px; margin-bottom: 12px; border: 1px solid #3f3f3f; border-radius: 8px; background: #121212; color: #fff; font-size: 14px; outline: none; transition: border-color 0.2s;">
                     <div style="display: flex; gap: 10px; justify-content: flex-end;">
-                        <button onclick="hideCreatePlaylistInModal()"
-                            style="padding: 8px 16px; background: #3f3f3f; color: #fff; border: none; border-radius: 18px; cursor: pointer; font-size: 14px; font-weight: 500; transition: background 0.2s;">Cancel</button>
-                        <button onclick="createPlaylistFromModal()"
-                            style="padding: 8px 16px; background: #e61e1e; color: #fff; border: none; border-radius: 18px; cursor: pointer; font-size: 14px; font-weight: 500; transition: background 0.2s;">Create</button>
+                        <button onclick="hideCreatePlaylistInModal()" class="action-btn">Cancel</button>
+                        <button onclick="createPlaylistFromModal()" class="action-btn action-btn-primary">
+                            <i class="bi bi-plus-lg"></i> <span>Create</span>
+                        </button>
                     </div>
                 </div>
             @endauth
@@ -365,7 +365,7 @@
     function createPlaylistFromModal() {
         const name = document.getElementById('newPlaylistName').value.trim();
         if (!name) {
-            alert('Please enter a playlist name');
+            showToast('Please enter a playlist name', 'error');
             return;
         }