fix grafica

user/catalog.php

@@ -39,7 +39,13 @@ $owned_lesson_ids = $stmt->fetchAll(PDO::FETCH_COLUMN);
     <header class="header">
         <div class="container">
             <div class="header-content">
-                <h1 class="logo">Pilates Studio</h1>
+                <?php if (file_exists('../uploads/images/logo.png')): ?>
+                    <div class="logo">
+                        <img src="../uploads/images/logo.png" alt="Pilates Studio" class="logo-image">
+                    </div>
+                <?php else: ?>
+                    <h1 class="logo">Pilates Studio</h1>
+                <?php endif; ?>
                 <nav class="nav">
                     <a href="../index.php" class="btn btn-outline">Home</a>
                     <a href="dashboard.php" class="btn btn-secondary">Le Mie Lezioni</a>