Remove redundant user pills and library button from creator view in mobile mode

frontend/viewer.html

@@ -307,19 +307,8 @@
 
     <!-- 3. Mobile Creator Container (hidden by default) -->
     <div id="creator-container" style="display: none; flex-direction: column; max-width: 600px; margin: 0 auto; width: 100%;">
-        <div style="display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px;">
-            <div>
-                <div style="display: flex; align-items: center; gap: 8px; font-size: 0.75rem; margin-bottom: 8px;">
-                    <span style="background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.08); padding: 4px 8px; border-radius: 20px; color: #fff; display: inline-flex; align-items: center; gap: 4px; font-weight: 600;">
-                        👤 <span id="mobCreatorUsername">-</span>
-                    </span>
-                    <span style="background: rgba(255, 235, 59, 0.05); border: 1px solid rgba(255, 235, 59, 0.2); padding: 4px 8px; border-radius: 20px; color: #ffeb3b; display: inline-flex; align-items: center; gap: 4px; font-weight: 600;">
-                        🪙 <span id="mobCreatorCredits">-</span> Créditos
-                    </span>
-                </div>
-                <h2 style="font-family: 'Outfit', sans-serif; font-size: 1.4rem; font-weight: 700; margin: 0;">Crear Modelo 3D</h2>
-            </div>
-            <button id="btnBackToGalleryFromCreator" style="background: rgba(124,58,237,0.15); border: 1px solid rgba(124,58,237,0.3); color: #c084fc; padding: 6px 12px; border-radius: 8px; font-size: 0.8rem; font-weight: 700; cursor: pointer;">📖 Biblioteca</button>
+        <div style="margin-bottom: 16px;">
+            <h2 style="font-family: 'Outfit', sans-serif; font-size: 1.4rem; font-weight: 700; margin: 0;">Crear Modelo 3D</h2>
         </div>
 
         <!-- Creator Tabs -->