diff --git a/ucp/assets/login-bg.jpg b/ucp/assets/login-bg.jpg
new file mode 100644
index 0000000..96dbf0d
Binary files /dev/null and b/ucp/assets/login-bg.jpg differ
diff --git a/ucp/index.php b/ucp/index.php
index 01af38b..81c9968 100644
--- a/ucp/index.php
+++ b/ucp/index.php
@@ -128,9 +128,11 @@ $csrfToken   = UcpAuth::getCsrfToken();
         </div>
     </div>
 <?php elseif (!$isAuth): ?>
-    <!-- ÉCRAN DE CONNEXION UCP (THÈME CLAIR ÉPURÉ) -->
-    <div class="min-h-screen flex flex-col items-center justify-center p-4 bg-gradient-to-br from-slate-50 via-blue-50/40 to-indigo-50/50">
-        <div class="w-full max-w-md ucp-card rounded-3xl p-8 shadow-xl shadow-slate-200/60 border border-slate-200/80">
+    <!-- ÉCRAN DE CONNEXION UCP (WALLPAPER + CARTE CLAIRE GLASSMORPHISM) -->
+    <div class="min-h-screen flex flex-col items-center justify-center p-4 relative overflow-hidden bg-slate-900">
+        <div class="absolute inset-0 bg-cover bg-center bg-no-repeat" style="background-image: url('/assets/login-bg.jpg?v=<?= file_exists(__DIR__ . '/assets/login-bg.jpg') ? filemtime(__DIR__ . '/assets/login-bg.jpg') : 1 ?>');"></div>
+        <div class="absolute inset-0 bg-slate-950/35 backdrop-blur-[1px]"></div>
+        <div class="relative z-10 w-full max-w-md bg-white/90 backdrop-blur-xl rounded-3xl p-8 shadow-2xl shadow-slate-900/30 border border-white/60">
             <div class="flex flex-col items-center text-center mb-7">
                 <?php if ($companyLogo !== ''): ?>
                     <img src="<?= htmlspecialchars($companyLogo) ?>" alt="Logo" class="h-14 w-auto object-contain mb-3 rounded-xl">