tweak(app): match titlebar active bg to hover

Use the ghost hover background for active/expanded titlebar actions and tighten titlebar popover gutters to 4px.

packages/app/src/components/session/session-header.tsx

@@ -383,7 +383,7 @@ export function SessionHeader() {
                         </Button>
                         <div class="self-stretch w-px bg-border-weak-base" />
                         <DropdownMenu
-                          gutter={6}
+                          gutter={4}
                           placement="bottom-end"
                           open={menu.open}
                           onOpenChange={(open) => setMenu("open", open)}
@@ -392,7 +392,7 @@ export function SessionHeader() {
                             as={IconButton}
                             icon="chevron-down"
                             variant="ghost"
-                            class="rounded-none h-full w-[24px] p-0 border-none shadow-none data-[expanded]:bg-surface-raised-base-active"
+                            class="rounded-none h-full w-[24px] p-0 border-none shadow-none data-[expanded]:bg-surface-raised-base-hover"
                             aria-label={language.t("session.header.open.menu")}
                           />
                           <DropdownMenu.Portal>
@@ -458,7 +458,7 @@ export function SessionHeader() {
                         ? language.t("session.share.popover.description.shared")
                         : language.t("session.share.popover.description.unshared")
                     }
-                    gutter={6}
+                    gutter={4}
                     placement="bottom-end"
                     shift={-64}
                     class="rounded-xl [&_[data-slot=popover-close-button]]:hidden"

packages/app/src/components/status-popover.tsx

@@ -196,7 +196,7 @@ export function StatusPopover() {
       triggerProps={{
         variant: "ghost",
         class:
-          "rounded-md h-[24px] pr-3 pl-0.5 gap-2 border border-border-weak-base bg-surface-panel shadow-none data-[expanded]:bg-surface-raised-base-active",
+          "rounded-md h-[24px] pr-3 pl-0.5 gap-2 border border-border-weak-base bg-surface-panel shadow-none data-[expanded]:bg-surface-raised-base-hover",
         style: { scale: 1 },
       }}
       trigger={
@@ -215,7 +215,7 @@ export function StatusPopover() {
         </div>
       }
       class="[&_[data-slot=popover-body]]:p-0 w-[360px] max-w-[calc(100vw-40px)] bg-transparent border-0 shadow-none rounded-xl"
-      gutter={6}
+      gutter={4}
       placement="bottom-end"
       shift={-136}
     >