Add fallback for --lwt-accent-color

chrome/fake_statusbar_w_menubar.css

@@ -23,7 +23,7 @@ See the above repository for updates as well as full license text. */
   }*/
   
   #toolbar-menubar{
-    background-color: var(--lwt-accent-color) !important;
+    background-color: var(--lwt-accent-color,var(--toolbox-bgcolor)) !important;
     position: fixed;
     min-height: 1px !important;
     height: unset !important;

chrome/floating_findbar_on_top.css

@@ -32,7 +32,7 @@ findbar > .findbar-container,
 findbar > .close-icon{
   border: 1px solid var(--chrome-content-separator-color);
   border-width: 0 0 1px 0px;
-  background-color: var(--lwt-accent-color) !important;
+  background-color: var(--lwt-accent-color,var(--toolbox-bgcolor)) !important;
   background-image: linear-gradient(var(--toolbar-bgcolor),var(--toolbar-bgcolor)),var(--lwt-header-image,none);
   pointer-events: auto;
 }

chrome/hide_tabs_scrollbuttons.css

@@ -11,8 +11,8 @@ See the above repository for updates as well as full license text. */
 
 #tabbrowser-arrowscrollbox{
   --uc-compat-scrollbutton-margin: 1px; /* compatibility for non_floating_sharp_tabs.css */
-  --uc-scrollbutton-up-background: linear-gradient(-90deg,transparent,var(--lwt-accent-color) 35%);
+  --uc-scrollbutton-up-background: linear-gradient(-90deg,transparent,var(--lwt-accent-color,var(--toolbox-bgcolor)) 35%);
-  --uc-scrollbutton-down-background: linear-gradient(90deg,transparent,var(--lwt-accent-color) 35%);
+  --uc-scrollbutton-down-background: linear-gradient(90deg,transparent,var(--lwt-accent-color,var(--toolbox-bgcolor)) 35%);
 }
 
 #tabbrowser-tabs:not([movingtab]){

chrome/hide_tabs_toolbar.css

@@ -53,7 +53,7 @@ Window controls will be all wrong without it
   padding-right: 20px;
 }
 :root[tabsintitlebar] #toolbar-menubar[autohide="true"]:not([inactive]) #main-menubar{
-  background-color: var(--lwt-accent-color);
+  background-color: var(--lwt-accent-color,var(--toolbox-bgcolor));
   background-image: linear-gradient(var(--toolbar-bgcolor,--toolbar-non-lwt-bgcolor),var(--toolbar-bgcolor,--toolbar-non-lwt-bgcolor)), var(--lwt-additional-images,none), var(--lwt-header-image, none);
   mask-image: linear-gradient(to left, transparent, black 20px);
 }

chrome/multi-row_bookmarks.css

@@ -23,7 +23,7 @@ See the above repository for updates as well as full license text. */
   /* --uc-bm-padding is defined in autohide_bookmarks_toolbar.css */
   max-height: calc(var(--multirow-bmb-n-rows) * (4px + 1em + (2 * (var(--multirow-bmb-row-margin) + var(--uc-bm-padding,var(--bookmark-block-padding)))))) !important;
   overflow-y:auto;
-  scrollbar-color: var(--lwt-accent-color) var(--toolbar-bgcolor);
+  scrollbar-color: var(--lwt-accent-color,var(--toolbox-bgcolor)) var(--toolbar-bgcolor);
   scrollbar-gutter: stable;
   scrollbar-width: thin;
 }

chrome/tabs_animated_gradient_border.css

@@ -45,7 +45,7 @@ scrollbox[orient="horizontal"] > slot::after,
   display: flex;
   flex-grow: 1 !important;
   position: relative;
-  background-color: var(--lwt-accent-color);
+  background-color: var(--lwt-accent-color,var(--toolbox-bgcolor));
   margin-bottom: 1px;
 }
 
@@ -57,7 +57,7 @@ scrollbox[orient="horizontal"] > slot::after,
 #scrollbutton-up,
 #scrollbutton-down,
 #tabbrowser-tabs ~ toolbarbutton{
-  background-color: var(--lwt-accent-color) !important;
+  background-color: var(--lwt-accent-color,var(--toolbox-bgcolor)) !important;
   margin-bottom: 1px !important;
   opacity: 1 !important;
   position: relative;
@@ -65,7 +65,7 @@ scrollbox[orient="horizontal"] > slot::after,
 .tabbrowser-tab:hover > .tab-stack > .tab-background:not([selected]),
 .tab-background[multiselected]:not([selected]){
   background-image: linear-gradient(color-mix(in srgb, currentColor 11%, transparent),color-mix(in srgb, currentColor 11%, transparent)) !important;
-  background-color: var(--lwt-accent-color) !important;
+  background-color: var(--lwt-accent-color,var(--toolbox-bgcolor)) !important;
 }
 
 .tabbrowser-tab:not([selected]){ min-height: calc(var(--tab-min-height) - 1px) !important;  }
@@ -79,10 +79,7 @@ vbox.tab-background[selected]{
   background-clip: padding-box;
   outline: none !important;
 }
-/* This is to override min-height set in non_floating_sharp_tabs.css */
+
-:root[uidensity="compact"] #tabbrowser-tabs[positionpinnedtabs] .tabbrowser-tab[pinned]{
-  min-height: calc(var(--tab-min-height) -1px) !important;
-}
 /* remove selected tab line which isn't very useful with this style */
 .tab-background[selected]::before{
   display: none !important;

chrome/vertical_menubar.css

@@ -47,7 +47,7 @@ See the above repository for updates as well as full license text. */
     background-color: light-dark(rgb(235, 235, 239), rgb(31, 30, 37))
   }
   :root[lwtheme] #main-menubar{
-    background-color: var(--arrowpanel-background,var(--lwt-accent-color));
+    background-color: var(--arrowpanel-background,var(--lwt-accent-color,var(--toolbox-bgcolor)));
   }
   #toolbar-menubar > .titlebar-buttonbox-container{
     display: none;

chrome/vertical_popup_menubar.css

@@ -24,7 +24,7 @@ See the above repository for updates as well as full license text. */
   inset-inline-start: 0;
 }
 :root[lwtheme]:not([customizing]) #menubar-items{
-  background-color: var(--lwt-accent-color);
+  background-color: var(--lwt-accent-color,var(--toolbox-bgcolor));
 }
 :root:not([customizing]) #main-menubar{
   flex-direction: column;

chrome/vertical_tabs.css

@@ -39,7 +39,7 @@ See the above repository for updates as well as full license text. */
   contain: size;
 }
 :root[lwtheme]:not([customizing]) #tabbrowser-tabs{
-  background-color: var(--lwt-accent-color);
+  background-color: var(--lwt-accent-color,var(--toolbox-bgcolor));
 }
 @media (-moz-bool-pref: "userchrome.vertical-tabs.on-right.enabled"){
   #PersonalToolbar,