diff --git a/src/components/ai-elements/message-thread.tsx b/src/components/ai-elements/message-thread.tsx
index c4611da..9ab6c71 100644
--- a/src/components/ai-elements/message-thread.tsx
+++ b/src/components/ai-elements/message-thread.tsx
@@ -91,7 +91,7 @@ export const MessageThreadScrollButton = ({
     !isAtBottom && (
       <Button
         className={cn(
-          "absolute bottom-4 left-[50%] translate-x-[-50%] rounded-full dark:bg-background dark:hover:bg-muted",
+          "absolute bottom-4 left-[50%] translate-x-[-50%] rounded-full bg-background/90 hover:bg-muted/90",
           className
         )}
         onClick={handleScrollToBottom}
diff --git a/src/components/layout/folder-title-bar.tsx b/src/components/layout/folder-title-bar.tsx
index aa75138..858fa10 100644
--- a/src/components/layout/folder-title-bar.tsx
+++ b/src/components/layout/folder-title-bar.tsx
@@ -11,11 +11,11 @@ import {
   Columns2,
   FileCode2,
   MessageSquare,
-  PanelBottom,
   PanelLeft,
   PanelRight,
   Search,
   Settings,
+  SquareTerminal,
 } from "lucide-react"
 import { useTranslations } from "next-intl"
 import { getGitBranch, openFolderWindow, openSettingsWindow } from "@/lib/api"
@@ -340,21 +340,6 @@ export function FolderTitleBar() {
               >
                 <PanelLeft className="h-3.5 w-3.5" />
               </Button>
-              <Button
-                variant="ghost"
-                size="icon"
-                className={`h-6 w-6 hover:text-foreground/80 ${terminalOpen ? "bg-accent" : ""}`}
-                onClick={() => toggleTerminal()}
-                title={tTitleBar("withShortcut", {
-                  label: tTitleBar("toggleTerminal"),
-                  shortcut: formatShortcutLabel(
-                    shortcuts.toggle_terminal,
-                    isMac
-                  ),
-                })}
-              >
-                <PanelBottom className="h-3.5 w-3.5" />
-              </Button>
               <Button
                 variant="ghost"
                 size="icon"
@@ -370,6 +355,21 @@ export function FolderTitleBar() {
               >
                 <PanelRight className="h-3.5 w-3.5" />
               </Button>
+              <Button
+                variant="ghost"
+                size="icon"
+                className={`h-6 w-6 hover:text-foreground/80 ${terminalOpen ? "bg-accent" : ""}`}
+                onClick={() => toggleTerminal()}
+                title={tTitleBar("withShortcut", {
+                  label: tTitleBar("toggleTerminal"),
+                  shortcut: formatShortcutLabel(
+                    shortcuts.toggle_terminal,
+                    isMac
+                  ),
+                })}
+              >
+                <SquareTerminal className="h-3.5 w-3.5" />
+              </Button>
               <Button
                 variant="ghost"
                 size="icon"
diff --git a/src/components/welcome/welcome-screen.tsx b/src/components/welcome/welcome-screen.tsx
index 0949382..bf9ed23 100644
--- a/src/components/welcome/welcome-screen.tsx
+++ b/src/components/welcome/welcome-screen.tsx
@@ -5,6 +5,8 @@ import { Settings } from "lucide-react"
 import { useTranslations } from "next-intl"
 import { toast } from "sonner"
 import { loadFolderHistory, openSettingsWindow } from "@/lib/api"
+import { matchShortcutEvent } from "@/lib/keyboard-shortcuts"
+import { useShortcutSettings } from "@/hooks/use-shortcut-settings"
 import type { FolderHistoryEntry } from "@/lib/types"
 import { FolderList } from "@/components/welcome/folder-list"
 import { FolderActions } from "@/components/welcome/folder-actions"
@@ -18,6 +20,28 @@ export function WelcomeScreen() {
   const t = useTranslations("WelcomePage")
   const [history, setHistory] = useState<FolderHistoryEntry[]>([])
   const [loading, setLoading] = useState(true)
+  const { shortcuts } = useShortcutSettings()
+
+  const handleOpenSettings = useCallback(() => {
+    openSettingsWindow().catch((err) => {
+      console.error("[WelcomeScreen] failed to open settings:", err)
+      const resolvedError = resolveWelcomeError(err)
+      toast.error(t("toasts.openSettingsFailed"), {
+        description: resolvedError.detail ?? t(resolvedError.key),
+      })
+    })
+  }, [t])
+
+  useEffect(() => {
+    function handleKeyDown(e: KeyboardEvent) {
+      if (matchShortcutEvent(e, shortcuts.open_settings)) {
+        e.preventDefault()
+        handleOpenSettings()
+      }
+    }
+    document.addEventListener("keydown", handleKeyDown)
+    return () => document.removeEventListener("keydown", handleKeyDown)
+  }, [shortcuts, handleOpenSettings])
 
   const refreshHistory = useCallback(async () => {
     try {
@@ -49,15 +73,7 @@ export function WelcomeScreen() {
             variant="ghost"
             size="icon"
             className="h-6 w-6 hover:text-foreground/80"
-            onClick={() => {
-              openSettingsWindow().catch((err) => {
-                console.error("[WelcomeScreen] failed to open settings:", err)
-                const resolvedError = resolveWelcomeError(err)
-                toast.error(t("toasts.openSettingsFailed"), {
-                  description: resolvedError.detail ?? t(resolvedError.key),
-                })
-              })
-            }}
+            onClick={handleOpenSettings}
             title={t("openSettings")}
             aria-label={t("openSettings")}
             type="button"