fix: restore mobile sidebar wrapping

src/index.css

@@ -56,14 +56,22 @@ h1, h2, h3, .font-headline { font-family: var(--font-headline); }
   to { transform: rotate(360deg); }
 }
 
+.sidebar-label {
+  flex: 1;
+  text-align: left;
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+}
+
 /* ============ TABLET RESPONSIVE (≤1024px) ============ */
 
 /* --- Sidebar collapse to icon-only on tablet --- */
 @media (max-width: 1024px) {
   .sidebar-full { width: 84px !important; padding: 16px 8px !important; }
   .sidebar-full .sidebar-brand-text { display: none; }
-  .sidebar-full nav button { flex-direction: column !important; justify-content: center !important; padding: 12px 4px !important; gap: 6px !important; }
-  .sidebar-full .sidebar-label { display: block !important; font-size: 10px !important; text-align: center; line-height: 1.2; letter-spacing: 0 !important; white-space: normal; }
+  .sidebar-full nav button { flex-direction: column !important; justify-content: center !important; padding: 12px 4px !important; gap: 6px !important; text-align: center !important; }
+  .sidebar-full .sidebar-label { display: block !important; font-size: 10px !important; text-align: center !important; line-height: 1.2 !important; letter-spacing: 0 !important; white-space: normal !important; overflow: visible !important; text-overflow: clip !important; }
   .sidebar-full .sidebar-logout span:last-child { display: block !important; font-size: 10px !important; letter-spacing: 0 !important; }
   .sidebar-full .sidebar-logout { flex-direction: column !important; justify-content: center !important; padding: 12px 4px !important; gap: 6px !important; }
 
@@ -124,6 +132,8 @@ h1, h2, h3, .font-headline { font-family: var(--font-headline); }
     display: block !important;
     font-size: 10px !important;
     white-space: normal !important;
+    overflow: visible !important;
+    text-overflow: clip !important;
     line-height: 1.1 !important;
     text-align: center !important;
     letter-spacing: 0 !important;