diff --git a/frontend/css/lab.css b/frontend/css/lab.css
index e745f01..32492a6 100644
--- a/frontend/css/lab.css
+++ b/frontend/css/lab.css
@@ -1952,10 +1952,22 @@ canvas[data-draggable]:active { cursor: grabbing; }
   width: 260px !important;
   padding: 10px 10px !important;
   gap: 6px !important;
+  overflow-x: hidden !important;
 }
 .geo-panel-modern .geo-tool-btn {
-  font-size: .78rem;
-  padding: 6px 8px;
+  font-size: .76rem;
+  padding: 6px 7px;
+  white-space: normal;
+  text-align: left;
+  line-height: 1.15;
+  min-width: 0;
+  word-break: break-word;
+}
+.geo-panel-modern .geo-tool-grid {
+  min-width: 0;
+}
+.geo-panel-modern .geo-tool-wide {
+  grid-column: 1 / -1;
 }
 
 /* sticky quick-access bar */
diff --git a/frontend/lab.html b/frontend/lab.html
index fc30dd7..82a1d33 100644
--- a/frontend/lab.html
+++ b/frontend/lab.html
@@ -4418,9 +4418,9 @@
                     <svg viewBox="0 0 24 24" fill="none"><circle cx="6" cy="18" r="2.5" stroke-width="1.5"/><circle cx="18" cy="6" r="2.5" stroke-width="1.5"/><line x1="6" y1="18" x2="18" y2="6" stroke-width="1.5" marker-end="url(#arrow)"/><circle cx="14" cy="18" r="2.5" stroke-width="1.5" opacity=".4"/><circle cx="21" cy="9" r="2" stroke-width="1.5" stroke-dasharray="3,2"/></svg>
                     Перенос
                   </button>
-                  <button id="geo-btn-scale" class="geo-tool-btn geo-tool-wide" onclick="geoSetTool('scale',this)" title="Подобие — клик центр O, затем клик точку P → P&#39; = O + k·(P − O)">
+                  <button id="geo-btn-scale" class="geo-tool-btn geo-tool-wide" onclick="geoSetTool('scale',this)" title="Подобие (гомотетия) — клик центр O, затем клик точку P → P&#39; = O + k·(P − O)">
                     <svg viewBox="0 0 24 24" fill="none"><circle cx="12" cy="12" r="2" fill="currentColor"/><line x1="12" y1="12" x2="20" y2="6" stroke-width="1.5"/><circle cx="20" cy="6" r="2.5" stroke-width="1.5"/><line x1="12" y1="12" x2="17" y2="18" stroke-width="1.5" stroke-dasharray="3,2"/><circle cx="17" cy="18" r="2.5" stroke-width="1.5" stroke-dasharray="3,2"/></svg>
-                    Подобие (гомотетия)
+                    Подобие
                   </button>
                 </div>
                 <div class="geo-ngon-ctrl" id="geo-scale-ctrl" style="margin-top:6px">