diff --git a/apps/web/src/routes/agent/$threadId.tsx b/apps/web/src/routes/agent/$threadId.tsx
index 1f008e56a..70909e667 100644
--- a/apps/web/src/routes/agent/$threadId.tsx
+++ b/apps/web/src/routes/agent/$threadId.tsx
@@ -262,7 +262,7 @@ function RouteComponent() {
 		: null;
 
 	return (
-		<div className="h-svh bg-background">
+		<div className="h-svh min-w-0 overflow-hidden bg-background">
 			<div className="hidden h-full lg:block">
 				<ResizableGroup orientation="horizontal" className="h-full">
 					<ResizablePanel
@@ -309,8 +309,8 @@ function RouteComponent() {
 				</ResizableGroup>
 			</div>
 
-			<div className="flex h-full flex-col lg:hidden">
-				<div className="border-b p-2">
+			<div className="flex h-full min-w-0 flex-col lg:hidden">
+				<div className="shrink-0 border-b p-2">
 					<Tabs value={mobileTab} onValueChange={setMobileTab}>
 						<TabsList className="grid w-full grid-cols-3">
 							<TabsTrigger value="threads">
@@ -328,11 +328,11 @@ function RouteComponent() {
 						</TabsList>
 					</Tabs>
 				</div>
-				<div className="min-h-0 flex-1">
-					<div className={cn("h-full", mobileTab !== "threads" && "hidden")}>
-						<AgentThreadSidebar activeThreadId={threadId} />
+				<div className="min-h-0 min-w-0 flex-1 overflow-hidden">
+					<div className={cn("h-full min-w-0", mobileTab !== "threads" && "hidden")}>
+						<AgentThreadSidebar activeThreadId={threadId} className="border-e-0" />
 					</div>
-					<div className={cn("h-full", mobileTab !== "chat" && "hidden")}>
+					<div className={cn("h-full min-w-0", mobileTab !== "chat" && "hidden")}>
 						<AgentChat
 							threadId={threadId}
 							initialMessages={data.messages}
@@ -343,7 +343,7 @@ function RouteComponent() {
 							actions={data.actions}
 						/>
 					</div>
-					<div className={cn("h-full", mobileTab !== "resume" && "hidden")}>
+					<div className={cn("h-full min-w-0", mobileTab !== "resume" && "hidden")}>
 						<ResumePane resume={data.resume} />
 					</div>
 				</div>
diff --git a/apps/web/src/routes/agent/index.tsx b/apps/web/src/routes/agent/index.tsx
index 9767f1c5d..814c49302 100644
--- a/apps/web/src/routes/agent/index.tsx
+++ b/apps/web/src/routes/agent/index.tsx
@@ -10,12 +10,12 @@ export const Route = createFileRoute("/agent/")({
 
 function RouteComponent() {
 	return (
-		<div className="flex h-svh bg-background">
-			<div className="w-72 shrink-0">
-				<AgentThreadSidebar />
+		<div className="flex h-svh min-w-0 flex-col overflow-hidden bg-background lg:flex-row">
+			<div className="h-72 min-h-0 shrink-0 lg:h-auto lg:w-72">
+				<AgentThreadSidebar className="border-e-0 border-b lg:border-e lg:border-b-0" />
 			</div>
 
-			<main className="grid min-w-0 flex-1 place-items-center p-6">
+			<main className="grid min-h-0 min-w-0 flex-1 place-items-center overflow-auto p-4 sm:p-6">
 				<div className="w-full max-w-xl rounded-md border bg-card p-6 shadow-sm">
 					<div className="flex items-start gap-4">
 						<div className="grid size-11 shrink-0 place-items-center rounded-md border bg-background">
diff --git a/apps/web/src/routes/agent/new.tsx b/apps/web/src/routes/agent/new.tsx
index cfe420837..549a9bcc1 100644
--- a/apps/web/src/routes/agent/new.tsx
+++ b/apps/web/src/routes/agent/new.tsx
@@ -14,9 +14,9 @@ function RouteComponent() {
 	const { resumeId } = Route.useSearch();
 
 	return (
-		<div className="flex h-svh bg-background">
-			<div className="w-72 shrink-0">
-				<AgentThreadSidebar />
+		<div className="flex h-svh min-w-0 flex-col overflow-hidden bg-background lg:flex-row">
+			<div className="h-72 min-h-0 shrink-0 lg:h-auto lg:w-72">
+				<AgentThreadSidebar className="border-e-0 border-b lg:border-e lg:border-b-0" />
 			</div>
 
 			<main className="grid min-w-0 flex-1 overflow-auto">
diff --git a/apps/web/src/routes/builder/$resumeId/-components/header.tsx b/apps/web/src/routes/builder/$resumeId/-components/header.tsx
index 9380908d4..7dbde31d9 100644
--- a/apps/web/src/routes/builder/$resumeId/-components/header.tsx
+++ b/apps/web/src/routes/builder/$resumeId/-components/header.tsx
@@ -48,8 +48,8 @@ export function BuilderHeader() {
 	// Equal-width flex-1 side groups keep the center title group truly centered regardless of the
 	// wider Download button on the right.
 	return (
-		<div className="absolute inset-x-0 top-0 z-50 flex h-14 items-center gap-x-2 border-b bg-popover px-1.5">
-			<div className="flex flex-1 items-center justify-start">
+		<div className="absolute inset-x-0 top-0 z-50 flex h-14 min-w-0 items-center gap-x-2 border-b bg-popover px-1.5">
+			<div className="flex min-w-0 flex-1 items-center justify-start">
 				{/* Hidden below `md`: on mobile the sidebar panels never mount, so `toggleSidebar` no-ops — the bottom tab bar handles this. */}
 				<Button size="icon" variant="ghost" className="hidden md:flex" onClick={() => toggleSidebar("left")}>
 					<SidebarSimpleIcon />
@@ -85,7 +85,7 @@ export function BuilderHeader() {
 				<BuilderHeaderDropdown />
 			</div>
 
-			<div className="flex flex-1 items-center justify-end gap-x-1">
+			<div className="flex min-w-0 flex-1 items-center justify-end gap-x-1">
 				<ResumeDownloadButton />
 
 				<Button size="icon" variant="ghost" className="hidden md:flex" onClick={() => toggleSidebar("right")}>
@@ -107,9 +107,24 @@ function ResumeDownloadButton() {
 
 	return (
 		<div className="flex items-center">
-			<Button size="sm" className="rounded-e-none" disabled={isExporting} onClick={onDownloadPDF}>
-				{isExporting ? <CircleNotchIcon className="me-1.5 animate-spin" /> : <DownloadSimpleIcon className="me-1.5" />}
-				<Trans comment="Primary action in the builder header to download the resume as a PDF">Download PDF</Trans>
+			<Button
+				size="sm"
+				aria-label={t({
+					comment: "Primary action in the builder header to download the resume as a PDF",
+					message: "Download PDF",
+				})}
+				className="rounded-e-none px-2 sm:px-2.5"
+				disabled={isExporting}
+				onClick={onDownloadPDF}
+			>
+				{isExporting ? (
+					<CircleNotchIcon className="animate-spin sm:me-1.5" />
+				) : (
+					<DownloadSimpleIcon className="sm:me-1.5" />
+				)}
+				<span className="hidden sm:inline">
+					<Trans comment="Primary action in the builder header to download the resume as a PDF">Download PDF</Trans>
+				</span>
 			</Button>
 
 			<DropdownMenu>
diff --git a/apps/web/src/routes/dashboard/resumes/-components/list-view.tsx b/apps/web/src/routes/dashboard/resumes/-components/list-view.tsx
index 9ae4218a1..cdd649313 100644
--- a/apps/web/src/routes/dashboard/resumes/-components/list-view.tsx
+++ b/apps/web/src/routes/dashboard/resumes/-components/list-view.tsx
@@ -56,11 +56,11 @@ export function ListView({ resumes, hasResumes }: ListViewProps) {
 						onClick={handleCreateResume}
 					>
 						<PlusIcon />
-						<div className="min-w-80 truncate">
+						<div className="min-w-0 flex-1 truncate">
 							<Trans>Create a new resume</Trans>
 						</div>
 
-						<p className="text-xs opacity-60">
+						<p className="hidden text-xs opacity-60 sm:block">
 							<Trans>Start building your resume from scratch</Trans>
 						</p>
 					</Button>
@@ -81,11 +81,11 @@ export function ListView({ resumes, hasResumes }: ListViewProps) {
 					>
 						<DownloadSimpleIcon />
 
-						<div className="min-w-80 truncate">
+						<div className="min-w-0 flex-1 truncate">
 							<Trans>Import an existing resume</Trans>
 						</div>
 
-						<p className="text-xs opacity-60">
+						<p className="hidden text-xs opacity-60 sm:block">
 							<Trans>Continue where you left off</Trans>
 						</p>
 					</Button>
@@ -132,9 +132,9 @@ function ResumeListItem({ resume }: ResumeListItemProps) {
 				render={
 					<Link to="/builder/$resumeId" params={{ resumeId: resume.id }}>
 						<div className="size-3" />
-						<div className="min-w-80 truncate">{resume.name}</div>
+						<div className="min-w-0 flex-1 truncate">{resume.name}</div>
 
-						<p className="text-xs opacity-60">
+						<p className="hidden text-xs opacity-60 sm:block">
 							<Trans>Last updated on {updatedAt}</Trans>
 						</p>
 					</Link>
diff --git a/apps/web/src/routes/dashboard/resumes/index.tsx b/apps/web/src/routes/dashboard/resumes/index.tsx
index 1fc0ff0ac..171aae85c 100644
--- a/apps/web/src/routes/dashboard/resumes/index.tsx
+++ b/apps/web/src/routes/dashboard/resumes/index.tsx
@@ -101,12 +101,13 @@ function RouteComponent() {
 
 			<Separator />
 
-			<div className="flex items-center gap-x-4">
-				<div className="flex gap-2">
-					<Label>
+			<div className="grid gap-3 sm:flex sm:flex-wrap sm:items-center">
+				<div className="grid min-w-0 gap-1.5 sm:flex sm:items-center sm:gap-2">
+					<Label className="text-muted-foreground text-xs sm:text-sm">
 						<Trans>Sort by</Trans>
 					</Label>
 					<Combobox
+						className="w-full sm:w-44"
 						value={sort}
 						options={sortOptions}
 						placeholder={t`Sort by`}
@@ -117,12 +118,15 @@ function RouteComponent() {
 					/>
 				</div>
 
-				<div className={cn("flex gap-2", { hidden: tagOptions.length === 0 })}>
-					<Label>
+				<div
+					className={cn("grid min-w-0 gap-1.5 sm:flex sm:items-center sm:gap-2", { hidden: tagOptions.length === 0 })}
+				>
+					<Label className="text-muted-foreground text-xs sm:text-sm">
 						<Trans>Filter by</Trans>
 					</Label>
 					<Combobox
 						multiple
+						className="w-full sm:w-44"
 						value={tags}
 						options={tagOptions}
 						placeholder={t`Filter by`}
@@ -133,7 +137,7 @@ function RouteComponent() {
 				</div>
 
 				{(resumes?.length ?? 0) > 5 && (
-					<InputGroup className="w-56">
+					<InputGroup className="w-full sm:w-56 lg:w-64">
 						<InputGroupAddon align="inline-start">
 							<MagnifyingGlassIcon />
 						</InputGroupAddon>
@@ -148,8 +152,8 @@ function RouteComponent() {
 					</InputGroup>
 				)}
 
-				<Tabs className="ltr:ms-auto rtl:me-auto" value={view}>
-					<TabsList>
+				<Tabs className="w-full sm:w-auto ltr:sm:ms-auto rtl:sm:me-auto" value={view}>
+					<TabsList className="grid w-full grid-cols-2 sm:inline-flex sm:w-fit">
 						<TabsTrigger
 							value="grid"
 							nativeButton={false}
diff --git a/knip.json b/knip.json
index 788720647..a3c0b5cb3 100644
--- a/knip.json
+++ b/knip.json
@@ -28,6 +28,7 @@
 				"@orpc/experimental-ratelimit",
 				"@sindresorhus/slugify",
 				"@t3-oss/env-core",
+				"@uiw/color-convert",
 				"ai",
 				"bcrypt",
 				"cjk-regex",