(JS) update vertical tabs pane,

all tabs menu expansion pack scripts.
fix an oversight and update for a CSS change.
(CSS) add a new style for container tabs in recently closed tabs menus
and in all tabs menu and vertical tabs pane.

JS/allTabsMenuExpansionPack.uc.js

@@ -1,6 +1,6 @@
 // ==UserScript==
 // @name           All Tabs Menu Expansion Pack
-// @version        2.0.9
+// @version        2.1.0
 // @author         aminomancer
 // @homepage       https://github.com/aminomancer
 // @description    Next to the "new tab" button in Firefox there's a V-shaped button that opens a
@@ -930,7 +930,7 @@
     box-shadow: none;
     -moz-box-align: center;
     padding-inline-end: 2px;
-    overflow: hidden;
+    overflow: clip;
     position: relative;
 }
 .panel-subview-body > .all-tabs-item .all-tabs-button:not([disabled], [open]):focus {

JS/verticalTabsPane.uc.js

@@ -1,6 +1,6 @@
 // ==UserScript==
 // @name           Vertical Tabs Pane
-// @version        1.6.6
+// @version        1.6.7
 // @author         aminomancer
 // @homepage       https://github.com/aminomancer/uc.css.js
 // @description    Create a vertical pane across from the sidebar that functions
@@ -381,7 +381,7 @@
     // close buttons) this way we can arrow up/down to navigate through tabs
     // very quickly, and arrow left/right to focus the mute and close buttons.
     get _verticalWalker() {
-      if (this.__verticalWalker) {
+      if (!this.__verticalWalker) {
         this.__verticalWalker = document.createTreeWalker(
           this.pane,
           NodeFilter.SHOW_ELEMENT,
@@ -1833,7 +1833,7 @@
     -moz-box-align: center;
     padding-inline-end: 2px;
     margin: 0;
-    overflow: hidden;
+    overflow: clip;
     position: relative;
 }
 #vertical-tabs-pane[unpinned]:not([expanded]) #vertical-tabs-list .all-tabs-item {

uc-misc.css

@@ -769,6 +769,64 @@ requires recentlyClosedTabsContextMenu.uc.js */
   ) !important;
 }
 
+/* little dots for container tabs etc.
+they expand into big stripes on hover/focus.
+this overrides the rule above. */
+@media (prefers-reduced-motion: no-preference) {
+  toolbarbutton.recently-closed-item[usercontextid],
+  menuitem.recently-closed-item[usercontextid],
+  .all-tabs-item:is([selected], [multiselected], [usercontextid]) .all-tabs-button {
+    background-image: none !important;
+  }
+
+  toolbarbutton.recently-closed-item[usercontextid]::before,
+  menuitem.recently-closed-item[usercontextid]::before,
+  .all-tabs-item .all-tabs-button::before {
+    content: "";
+    display: block;
+    min-width: 4px;
+    min-height: 4px;
+    border-radius: 100%;
+    margin-inline: calc(0px - var(--arrowpanel-menuitem-padding-inline)) calc(8px - var(--arrowpanel-menuitem-padding-inline));
+    margin-block: calc(0px - var(--arrowpanel-menuitem-padding-block));
+    background-color: var(--identity-tab-color);
+    transition: 0.15s margin var(--uc-smooth-timing-function),
+      0.15s min-width var(--uc-smooth-timing-function),
+      0.15s min-height var(--uc-smooth-timing-function),
+      0.15s border-radius var(--uc-smooth-timing-function);
+  }
+
+  menuitem.recently-closed-item[usercontextid]::before {
+    margin-inline: 0 -4px;
+    margin-block: 0;
+  }
+
+  .all-tabs-item .all-tabs-button::before {
+    background-color: var(--main-stripe-color, transparent);
+    transition: 0.15s margin var(--uc-smooth-timing-function),
+      0.15s min-width var(--uc-smooth-timing-function),
+      0.15s min-height var(--uc-smooth-timing-function),
+      0.15s border-radius var(--uc-smooth-timing-function),
+      0.15s background var(--uc-smooth-timing-function);
+  }
+
+  toolbarbutton.recently-closed-item[usercontextid]:not([disabled]):is(:hover, :focus-visible)::before,
+  .all-tabs-item:is([selected], [multiselected], [usercontextid]:is(:hover, :focus-within))
+    .all-tabs-button::before {
+    min-width: 3px;
+    min-height: var(--subviewbutton-height);
+    margin-inline: calc(0px - var(--arrowpanel-menuitem-padding-inline)) calc(9px - var(--arrowpanel-menuitem-padding-inline));
+    border-radius: var(--arrowpanel-menuitem-border-radius) 0 0 var(--arrowpanel-menuitem-border-radius);
+  }
+
+  menuitem.recently-closed-item[usercontextid]:not([disabled])[_moz-menuactive="true"]::before {
+    min-width: 3px;
+    min-height: var(--menuitem-height);
+    margin-inline: 0 -3px;
+    border-radius: var(--context-menuitem-border-radius) 0 0 var(--context-menuitem-border-radius);
+  }
+}
+
 /* this is for miscMods.uc.js' setting "Anchor permissions popup to granted permission icon" */
 /* adjust the popup and icon dimensions commensurately */
 #permission-popup[anchor-to-icon] {