Update samy.ps1

samy.ps1

@@ -247,7 +247,7 @@ $ConfirmPreference  = 'None'
     $Script:SamyTopLogoUrl = "$Script:SamyRepoBase/$Script:SamyBranch/SVS_logo.svg"
 
     # Background SAMY image used in CSS
-    $Script:SamyBgLogoUrl  = "$Script:SamyRepoBase/$Script:SamyBranch/SAMY5.png"
+    $Script:SamyBgLogoUrl  = "$Script:SamyRepoBase/$Script:SamyBranch/SAMY.png"
 
     $Script:SamyFaviconUrl = "$Script:SamyRepoBase/$Script:SamyBranch/SVS_Favicon.ico"
     $Script:SamyCssUrl     = "$Script:SamyRepoBase/$Script:SamyBranch/samy.css?raw=1"
@@ -1068,15 +1068,13 @@ function Get-UIHtml {
     $cssContent = Get-RemoteText -Url $Script:SamyCssUrl
     $jsContent  = Get-RemoteText -Url $Script:SamyJsUrl
 
-   if ($cssContent) {
-    $cssContent += @"
-    
-/* SAMY background override injected by script */
-.sidebar::after {
-    background-image: url('$Script:SamyBgLogoUrl') !important;
-}
-"@
-}
+    # Make the CSS background-image follow $Script:SamyBgLogoUrl
+    if ($cssContent) {
+        $pattern     = 'background-image:\s*url\("SAMY\.png"\);?'  # matches with or without extra spaces/semicolon
+        $replacement = "background-image: url('$Script:SamyBgLogoUrl');"
+        $cssContent  = [regex]::Replace($cssContent, $pattern, $replacement)
+    }
+
 
     #
     # 4) HTML template - **no external link/script src** anymore, all inlined