fix: lock Beam viewer background gestures

plane-src/apps/web/styles/globals.css

@@ -360,12 +360,23 @@
     align-items: stretch;
     column-gap: 0.75rem;
     overflow: visible;
+    overscroll-behavior: contain;
     transition:
       column-gap 260ms ease,
       grid-template-columns 260ms ease,
       opacity 220ms ease;
   }
 
+  html.nodedc-beam-viewer-interaction-lock,
+  html.nodedc-beam-viewer-interaction-lock body {
+    overscroll-behavior: none;
+  }
+
+  html.nodedc-beam-viewer-interaction-lock main .nodedc-kanban-scroll-container {
+    overflow: hidden !important;
+    overscroll-behavior: none;
+  }
+
   .nodedc-beam-peek-shell[data-resizing="true"] {
     transition: none;
   }
@@ -386,6 +397,7 @@
     min-width: 0;
     min-height: 0;
     overflow: hidden;
+    overscroll-behavior: contain;
     background: #000;
     border: 1px solid rgba(255, 255, 255, 0.08);
     border-radius: 28px;
@@ -440,6 +452,7 @@
     border: 0 !important;
     outline: none !important;
     box-shadow: none !important;
+    overscroll-behavior: contain;
   }
 
   .nodedc-beam-peek-shell[data-resizing="true"] iframe {