diff --git a/app/(app)/avatar/page.tsx b/app/(app)/avatar/page.tsx
index 878014c..1fb05b6 100644
--- a/app/(app)/avatar/page.tsx
+++ b/app/(app)/avatar/page.tsx
@@ -7,7 +7,7 @@ export default function AvatarPage() {
   return (
     <AppShell
       title="Your Habit Pet"
-      description="Customize your pet, complete AI-personalized daily tasks, and track their mood from your wellness check-in."
+      description="Watch your pet roam, breathe, and react to how you care for them."
     >
       <Suspense fallback={<p className="text-sm text-muted-foreground">Loading...</p>}>
         <AvatarPageContent />
diff --git a/app/(app)/customize/page.tsx b/app/(app)/customize/page.tsx
new file mode 100644
index 0000000..4a7efa8
--- /dev/null
+++ b/app/(app)/customize/page.tsx
@@ -0,0 +1,18 @@
+import { Suspense } from "react";
+
+import { CustomizePageContent } from "@/components/avatar/customize-page-content";
+import { AppShell } from "@/components/layout/app-shell";
+
+export default function CustomizePage() {
+  return (
+    <AppShell
+      wide
+      title="Customize your pet"
+      description="Change your pet's name, styles, colors, and room."
+    >
+      <Suspense fallback={<p className="text-xs text-muted-foreground">Loading...</p>}>
+        <CustomizePageContent />
+      </Suspense>
+    </AppShell>
+  );
+}
diff --git a/app/(app)/habits/page.tsx b/app/(app)/habits/page.tsx
index b5a34e2..33dd2ae 100644
--- a/app/(app)/habits/page.tsx
+++ b/app/(app)/habits/page.tsx
@@ -5,9 +5,9 @@ export default function HabitsPage() {
   return (
     <AppShell
       title="Habits"
-      description="Add custom habits and see how your daily tasks are chosen."
+      description="Complete today's tasks and manage your habit list."
     >
-      <HabitTracker mode="manage" />
+      <HabitTracker mode="all" />
     </AppShell>
   );
 }
diff --git a/app/(app)/layout.tsx b/app/(app)/layout.tsx
index a17f949..a98544d 100644
--- a/app/(app)/layout.tsx
+++ b/app/(app)/layout.tsx
@@ -10,11 +10,11 @@ export default function AppLayout({
   children: React.ReactNode;
 }) {
   return (
-    <Suspense fallback={<div className="min-h-svh bg-background" />}>
+    <Suspense fallback={<div className="bg-background pb-nav" />}>
       <AppAuthGate>
         <DailyReminderProvider />
         <InAppReminderBanner />
-        {children}
+        <div className="pb-nav">{children}</div>
       </AppAuthGate>
     </Suspense>
   );
diff --git a/app/character-creator/page.tsx b/app/character-creator/page.tsx
index 9d6407e..6e12be5 100644
--- a/app/character-creator/page.tsx
+++ b/app/character-creator/page.tsx
@@ -3,5 +3,5 @@ import { redirect } from "next/navigation";
 import { routes } from "@/lib/routes";
 
 export default function CharacterCreatorPage() {
-  redirect(`${routes.avatar}?tab=customize`);
+  redirect(routes.customize);
 }
diff --git a/app/globals.css b/app/globals.css
index 9e332aa..da5233a 100644
--- a/app/globals.css
+++ b/app/globals.css
@@ -4,57 +4,58 @@
 
 @layer base {
   :root {
-    --background: 0 0% 100%;
-    --foreground: 0 0% 3.9%;
-    --card: 0 0% 100%;
-    --card-foreground: 0 0% 3.9%;
-    --popover: 0 0% 100%;
-    --popover-foreground: 0 0% 3.9%;
-    --primary: 0 0% 9%;
-    --primary-foreground: 0 0% 98%;
-    --secondary: 0 0% 96.1%;
-    --secondary-foreground: 0 0% 9%;
-    --muted: 0 0% 96.1%;
-    --muted-foreground: 0 0% 45.1%;
-    --accent: 0 0% 96.1%;
-    --accent-foreground: 0 0% 9%;
-    --destructive: 0 84.2% 60.2%;
-    --destructive-foreground: 0 0% 98%;
-    --border: 0 0% 89.8%;
-    --input: 0 0% 89.8%;
-    --ring: 0 0% 3.9%;
-    --chart-1: 12 76% 61%;
-    --chart-2: 173 58% 39%;
-    --chart-3: 197 37% 24%;
-    --chart-4: 43 74% 66%;
-    --chart-5: 27 87% 67%;
-    --radius: 0.5rem;
+    --bottom-nav-height: 6rem;
+    --background: 252 38% 10%;
+    --foreground: 52 100% 88%;
+    --card: 252 32% 14%;
+    --card-foreground: 52 100% 88%;
+    --popover: 252 32% 14%;
+    --popover-foreground: 52 100% 88%;
+    --primary: 318 100% 62%;
+    --primary-foreground: 252 38% 10%;
+    --secondary: 198 100% 45%;
+    --secondary-foreground: 252 38% 10%;
+    --muted: 252 24% 20%;
+    --muted-foreground: 52 40% 68%;
+    --accent: 142 70% 45%;
+    --accent-foreground: 252 38% 10%;
+    --destructive: 0 84% 58%;
+    --destructive-foreground: 52 100% 96%;
+    --border: 280 45% 38%;
+    --input: 280 35% 28%;
+    --ring: 318 100% 62%;
+    --chart-1: 318 100% 62%;
+    --chart-2: 198 100% 45%;
+    --chart-3: 142 70% 45%;
+    --chart-4: 48 100% 55%;
+    --chart-5: 280 70% 55%;
+    --radius: 0px;
+    --retro-shadow: 4px 4px 0 0 hsl(280 45% 28%);
+    --retro-shadow-sm: 2px 2px 0 0 hsl(280 45% 28%);
+    --lcd-bg: 142 35% 22%;
+    --lcd-border: 142 45% 35%;
   }
+
   .dark {
-    --background: 0 0% 3.9%;
-    --foreground: 0 0% 98%;
-    --card: 0 0% 3.9%;
-    --card-foreground: 0 0% 98%;
-    --popover: 0 0% 3.9%;
-    --popover-foreground: 0 0% 98%;
-    --primary: 0 0% 98%;
-    --primary-foreground: 0 0% 9%;
-    --secondary: 0 0% 14.9%;
-    --secondary-foreground: 0 0% 98%;
-    --muted: 0 0% 14.9%;
-    --muted-foreground: 0 0% 63.9%;
-    --accent: 0 0% 14.9%;
-    --accent-foreground: 0 0% 98%;
-    --destructive: 0 62.8% 30.6%;
-    --destructive-foreground: 0 0% 98%;
-    --border: 0 0% 14.9%;
-    --input: 0 0% 14.9%;
-    --ring: 0 0% 83.1%;
-    --chart-1: 220 70% 50%;
-    --chart-2: 160 60% 45%;
-    --chart-3: 30 80% 55%;
-    --chart-4: 280 65% 60%;
-    --chart-5: 340 75% 55%;
+    --background: 252 38% 10%;
+    --foreground: 52 100% 88%;
+    --card: 252 32% 14%;
+    --card-foreground: 52 100% 88%;
+    --popover: 252 32% 14%;
+    --popover-foreground: 52 100% 88%;
+    --primary: 318 100% 62%;
+    --primary-foreground: 252 38% 10%;
+    --secondary: 198 100% 45%;
+    --secondary-foreground: 252 38% 10%;
+    --muted: 252 24% 20%;
+    --muted-foreground: 52 40% 68%;
+    --accent: 142 70% 45%;
+    --accent-foreground: 252 38% 10%;
+    --destructive: 0 84% 58%;
+    --destructive-foreground: 52 100% 96%;
+    --border: 280 45% 38%;
+    --input: 280 35% 28%;
+    --ring: 318 100% 62%;
   }
 }
 
@@ -62,7 +63,135 @@
   * {
     @apply border-border;
   }
+
+  html {
+    overflow-x: clip;
+  }
+
   body {
-    @apply bg-background text-foreground;
+    @apply overflow-x-hidden bg-background text-foreground text-xs leading-relaxed;
+    font-family: var(--font-pixel), monospace;
+    image-rendering: pixelated;
   }
 }
+
+@layer components {
+  .pixel-border {
+    border: 2px solid hsl(var(--border));
+    box-shadow: var(--retro-shadow);
+  }
+
+  .pixel-border-sm {
+    border: 2px solid hsl(var(--border));
+    box-shadow: var(--retro-shadow-sm);
+  }
+
+  .pixel-inset {
+    box-shadow: inset 0 0 0 2px hsl(var(--border) / 0.5),
+      inset 3px 3px 0 0 hsl(var(--background));
+  }
+
+  .tamagotchi-shell {
+    @apply pixel-border bg-card;
+    background-image: linear-gradient(
+      180deg,
+      hsl(var(--card)) 0%,
+      hsl(var(--muted)) 100%
+    );
+  }
+
+  .tamagotchi-lcd {
+    @apply pixel-inset relative overflow-hidden;
+    background: hsl(var(--lcd-bg));
+    border: 3px solid hsl(var(--lcd-border));
+  }
+
+  /* Matches pet-tab LCD: max-w-lg main minus px-5 and shell p-4 */
+  .tamagotchi-lcd-pet-match {
+    @apply aspect-[4/3] w-full shrink-0;
+    max-width: calc(32rem - 2.5rem - 2rem);
+  }
+
+  .customize-body {
+    min-height: 26rem;
+  }
+
+  @media (min-width: 1024px) {
+    .customize-body {
+      min-height: 30rem;
+    }
+  }
+
+  .retro-btn {
+    @apply inline-flex items-center justify-center border-2 border-border bg-primary text-primary-foreground;
+    box-shadow: var(--retro-shadow-sm);
+    transition: transform 0.08s steps(2), box-shadow 0.08s steps(2);
+  }
+
+  .retro-btn:hover:not(:disabled) {
+    transform: translate(-1px, -1px);
+    box-shadow: 3px 3px 0 0 hsl(280 45% 28%);
+  }
+
+  .retro-btn:active:not(:disabled) {
+    transform: translate(2px, 2px);
+    box-shadow: none;
+  }
+
+  .retro-card {
+    @apply border-2 border-border bg-card text-card-foreground;
+    box-shadow: var(--retro-shadow);
+  }
+}
+
+@layer utilities {
+  .pb-nav {
+    padding-bottom: var(--bottom-nav-height);
+  }
+
+  .image-pixelated {
+    image-rendering: pixelated;
+  }
+}
+
+@keyframes pet-breathe {
+  0%,
+  100% {
+    transform: scale(1);
+  }
+  50% {
+    transform: scale(1.05);
+  }
+}
+
+@keyframes parallax-drift {
+  0%,
+  100% {
+    transform: translate3d(0, 0, 0);
+  }
+  50% {
+    transform: translate3d(6px, -4px, 0);
+  }
+}
+
+@keyframes star-twinkle {
+  0%,
+  100% {
+    opacity: 0.55;
+  }
+  50% {
+    opacity: 1;
+  }
+}
+
+.animate-pet-breathe {
+  animation: pet-breathe 2.4s ease-in-out infinite;
+}
+
+.animate-parallax-drift {
+  animation: parallax-drift 8s ease-in-out infinite;
+}
+
+.animate-star-twinkle {
+  animation: star-twinkle 3s steps(2, end) infinite;
+}
diff --git a/app/layout.tsx b/app/layout.tsx
index 0326579..0cd06d7 100644
--- a/app/layout.tsx
+++ b/app/layout.tsx
@@ -1,5 +1,5 @@
 import type { Metadata } from "next";
-import { Geist } from "next/font/google";
+import { Press_Start_2P } from "next/font/google";
 import { ThemeProvider } from "next-themes";
 
 import { GlobalBottomNav } from "@/components/layout/global-bottom-nav";
@@ -16,10 +16,11 @@ export const metadata: Metadata = {
   description: "Build habits, care for your pixel pet, and track wellness every day.",
 };
 
-const geistSans = Geist({
-  variable: "--font-geist-sans",
-  display: "swap",
+const pixelFont = Press_Start_2P({
+  weight: "400",
   subsets: ["latin"],
+  variable: "--font-pixel",
+  display: "swap",
 });
 
 export default function RootLayout({
@@ -29,7 +30,7 @@ export default function RootLayout({
 }>) {
   return (
     <html lang="en" suppressHydrationWarning>
-      <body className={`${geistSans.className} antialiased`}>
+      <body className={`${pixelFont.variable} font-sans`}>
         <ThemeProvider
           attribute="class"
           defaultTheme="system"
@@ -37,7 +38,7 @@ export default function RootLayout({
           disableTransitionOnChange
         >
           <ToastProvider>
-            <div className="min-h-svh pb-24">{children}</div>
+            {children}
             <GlobalBottomNav />
           </ToastProvider>
         </ThemeProvider>
diff --git a/components/avatar/avatar-customize-layout.tsx b/components/avatar/avatar-customize-layout.tsx
new file mode 100644
index 0000000..1c067cc
--- /dev/null
+++ b/components/avatar/avatar-customize-layout.tsx
@@ -0,0 +1,27 @@
+import { AppPageHeader } from "@/components/layout/app-page-header";
+
+type AvatarCustomizeLayoutProps = {
+  eyebrow?: string;
+  title: string;
+  description: string;
+  children: React.ReactNode;
+};
+
+export function AvatarCustomizeLayout({
+  eyebrow,
+  title,
+  description,
+  children,
+}: AvatarCustomizeLayoutProps) {
+  return (
+    <div className="relative bg-background bg-[radial-gradient(circle_at_20%_0%,hsl(var(--primary)/0.12)_0%,transparent_45%),radial-gradient(circle_at_80%_100%,hsl(var(--secondary)/0.1)_0%,transparent_40%)]">
+      <AppPageHeader
+        eyebrow={eyebrow}
+        title={title}
+        description={description}
+      />
+
+      <main className="mx-auto max-w-6xl px-5 py-6">{children}</main>
+    </div>
+  );
+}
diff --git a/components/avatar/avatar-page-content.tsx b/components/avatar/avatar-page-content.tsx
index 6e9b21a..162ba44 100644
--- a/components/avatar/avatar-page-content.tsx
+++ b/components/avatar/avatar-page-content.tsx
@@ -1,58 +1,24 @@
 "use client";
 
-import { useSearchParams } from "next/navigation";
 import { useCallback, useEffect, useState } from "react";
 
-import { CharacterCreator } from "@/components/character/character-creator";
-import { AvatarStatusCard } from "@/components/avatar/avatar-status-card";
-import { DailyQuizLinkButton } from "@/components/daily-quiz/daily-quiz-link-button";
-import { HabitTracker } from "@/components/habits/habit-tracker";
-import { Button } from "@/components/ui/button";
-import { Input } from "@/components/ui/input";
-import { Label } from "@/components/ui/label";
-import { useToast } from "@/components/ui/toast-provider";
+import { PetHabitat } from "@/components/pet/pet-habitat";
 import { HABIT_PET_DATA_UPDATED_EVENT } from "@/lib/app-events";
 import {
   getAvatarCustomization,
-  saveAvatarCustomization,
-  saveAvatarName,
   type AvatarCustomization,
 } from "@/lib/avatar-customization-storage";
-import { getOwnedItemIds } from "@/lib/shop-storage";
-import { cn } from "@/lib/utils";
-
-type AvatarTab = "home" | "customize";
 
 export function AvatarPageContent() {
-  const { toast } = useToast();
-  const searchParams = useSearchParams();
-  const [activeTab, setActiveTab] = useState<AvatarTab>("home");
   const [customization, setCustomization] = useState<AvatarCustomization | null>(
     null,
   );
-  const [avatarName, setAvatarName] = useState("");
-  const [isSavingName, setIsSavingName] = useState(false);
-  const [isSavingAvatar, setIsSavingAvatar] = useState(false);
-  const [ownedVariantIds, setOwnedVariantIds] = useState<string[]>([]);
-
-  useEffect(() => {
-    if (searchParams.get("tab") === "customize") {
-      setActiveTab("customize");
-    }
-  }, [searchParams]);
-
   const [loadError, setLoadError] = useState<string | null>(null);
 
   const loadCustomization = useCallback(async () => {
     try {
       setLoadError(null);
-      const [next, owned] = await Promise.all([
-        getAvatarCustomization(),
-        getOwnedItemIds(),
-      ]);
-      setCustomization(next);
-      setAvatarName(next.name);
-      setOwnedVariantIds(owned);
+      setCustomization(await getAvatarCustomization());
     } catch (error) {
       setLoadError(
         error instanceof Error ? error.message : "Could not load your avatar.",
@@ -69,123 +35,15 @@ export function AvatarPageContent() {
     };
   }, [loadCustomization]);
 
-  const handleSaveName = async () => {
-    setIsSavingName(true);
-
-    try {
-      const savedName = await saveAvatarName(avatarName);
-      setAvatarName(savedName);
-      toast("Pet name saved.", "success");
-    } catch (error) {
-      toast(
-        error instanceof Error ? error.message : "Could not save name.",
-        "error",
-      );
-    } finally {
-      setIsSavingName(false);
-    }
-  };
-
-  const handleSaveAvatar = async (nextCustomization: AvatarCustomization) => {
-    setIsSavingAvatar(true);
-
-    try {
-      await saveAvatarCustomization({
-        ...nextCustomization,
-        name: avatarName.trim() || nextCustomization.name,
-        equippedItems: customization?.equippedItems ?? [],
-      });
-      toast("Avatar updated.", "success");
-      setActiveTab("home");
-      await loadCustomization();
-    } catch (error) {
-      toast(
-        error instanceof Error ? error.message : "Could not save avatar.",
-        "error",
-      );
-      throw error;
-    } finally {
-      setIsSavingAvatar(false);
-    }
-  };
-
   if (loadError) {
-    return <p className="text-sm text-red-500">{loadError}</p>;
+    return <p className="text-xs text-red-500">{loadError}</p>;
   }
 
   if (!customization) {
     return (
-      <p className="text-sm text-muted-foreground">Loading your pet...</p>
+      <p className="text-xs text-muted-foreground">Loading your pet...</p>
     );
   }
 
-  return (
-    <div className="flex flex-col gap-6">
-      <div className="grid grid-cols-2 gap-2 rounded-lg border bg-muted/30 p-1">
-        {(
-          [
-            { id: "home", label: "Overview" },
-            { id: "customize", label: "Customize" },
-          ] as const
-        ).map((tab) => (
-          <button
-            key={tab.id}
-            type="button"
-            onClick={() => setActiveTab(tab.id)}
-            className={cn(
-              "rounded-md px-3 py-2 text-sm font-medium transition-colors",
-              activeTab === tab.id
-                ? "bg-background text-foreground shadow-sm"
-                : "text-muted-foreground hover:text-foreground",
-            )}
-          >
-            {tab.label}
-          </button>
-        ))}
-      </div>
-
-      <div className="grid gap-3 rounded-lg border bg-card p-4">
-        <Label htmlFor="avatar-name-shared">Pet name</Label>
-        <div className="flex flex-col gap-2 sm:flex-row">
-          <Input
-            id="avatar-name-shared"
-            value={avatarName}
-            maxLength={32}
-            onChange={(event) => setAvatarName(event.target.value)}
-          />
-          <Button
-            type="button"
-            variant="outline"
-            disabled={isSavingName}
-            onClick={() => void handleSaveName()}
-          >
-            {isSavingName ? "Saving..." : "Save name"}
-          </Button>
-        </div>
-      </div>
-
-      {activeTab === "home" ? (
-        <>
-          <AvatarStatusCard customization={customization} />
-          <HabitTracker />
-          <DailyQuizLinkButton />
-        </>
-      ) : (
-        <CharacterCreator
-          key={`${customization.variants.head}-${customization.variants.torso}-${customization.colors.skin.l}-${avatarName}`}
-          initialCustomization={{
-            ...customization,
-            name: avatarName,
-          }}
-          name={avatarName}
-          onNameChange={setAvatarName}
-          ownedVariantIds={ownedVariantIds}
-          showNameField
-          saveLabel={isSavingAvatar ? "Saving..." : "Save changes"}
-          isSaving={isSavingAvatar}
-          onSave={handleSaveAvatar}
-        />
-      )}
-    </div>
-  );
+  return <PetHabitat customization={customization} />;
 }
diff --git a/components/avatar/customize-page-content.tsx b/components/avatar/customize-page-content.tsx
new file mode 100644
index 0000000..fc521e6
--- /dev/null
+++ b/components/avatar/customize-page-content.tsx
@@ -0,0 +1,97 @@
+"use client";
+
+import { useCallback, useEffect, useState } from "react";
+
+import { CharacterCreator } from "@/components/character/character-creator";
+import { useToast } from "@/components/ui/toast-provider";
+import { HABIT_PET_DATA_UPDATED_EVENT } from "@/lib/app-events";
+import {
+  getAvatarCustomization,
+  saveAvatarCustomization,
+  type AvatarCustomization,
+} from "@/lib/avatar-customization-storage";
+import { getOwnedItemIds } from "@/lib/shop-storage";
+
+export function CustomizePageContent() {
+  const { toast } = useToast();
+  const [customization, setCustomization] = useState<AvatarCustomization | null>(
+    null,
+  );
+  const [avatarName, setAvatarName] = useState("");
+  const [isSavingAvatar, setIsSavingAvatar] = useState(false);
+  const [ownedVariantIds, setOwnedVariantIds] = useState<string[]>([]);
+  const [loadError, setLoadError] = useState<string | null>(null);
+
+  const loadCustomization = useCallback(async () => {
+    try {
+      setLoadError(null);
+      const [next, owned] = await Promise.all([
+        getAvatarCustomization(),
+        getOwnedItemIds(),
+      ]);
+      setCustomization(next);
+      setAvatarName(next.name);
+      setOwnedVariantIds(owned);
+    } catch (error) {
+      setLoadError(
+        error instanceof Error ? error.message : "Could not load your avatar.",
+      );
+    }
+  }, []);
+
+  useEffect(() => {
+    void loadCustomization();
+
+    window.addEventListener(HABIT_PET_DATA_UPDATED_EVENT, loadCustomization);
+    return () => {
+      window.removeEventListener(HABIT_PET_DATA_UPDATED_EVENT, loadCustomization);
+    };
+  }, [loadCustomization]);
+
+  const handleSaveAvatar = async (nextCustomization: AvatarCustomization) => {
+    setIsSavingAvatar(true);
+
+    try {
+      await saveAvatarCustomization({
+        ...nextCustomization,
+        name: avatarName.trim() || nextCustomization.name,
+        equippedItems: customization?.equippedItems ?? [],
+      });
+      toast("Avatar updated.", "success");
+      await loadCustomization();
+    } catch (error) {
+      toast(
+        error instanceof Error ? error.message : "Could not save avatar.",
+        "error",
+      );
+      throw error;
+    } finally {
+      setIsSavingAvatar(false);
+    }
+  };
+
+  if (loadError) {
+    return <p className="text-xs text-red-500">{loadError}</p>;
+  }
+
+  if (!customization) {
+    return <p className="text-xs text-muted-foreground">Loading customization...</p>;
+  }
+
+  return (
+    <CharacterCreator
+      key={`${customization.variants.head}-${customization.variants.torso}-${customization.colors.skin.l}-${customization.roomBackground}-${avatarName}`}
+      initialCustomization={{
+        ...customization,
+        name: avatarName,
+      }}
+      name={avatarName}
+      onNameChange={setAvatarName}
+      ownedVariantIds={ownedVariantIds}
+      showNameField
+      saveLabel={isSavingAvatar ? "Saving..." : "Save changes"}
+      isSaving={isSavingAvatar}
+      onSave={handleSaveAvatar}
+    />
+  );
+}
diff --git a/components/character/character-creator.tsx b/components/character/character-creator.tsx
index 9e64cea..b2f0df0 100644
--- a/components/character/character-creator.tsx
+++ b/components/character/character-creator.tsx
@@ -7,24 +7,30 @@ import { CharacterColorSliders } from "@/components/character/character-color-sl
 import { CharacterLayerPreview } from "@/components/character/character-layer-preview";
 import { CharacterLayerTabs } from "@/components/character/character-layer-tabs";
 import { CharacterPieceSelector } from "@/components/character/character-piece-selector";
+import { ParallaxRoomBackground } from "@/components/pet/parallax-room-background";
+import { RoomStyleSelector } from "@/components/pet/room-style-selector";
 import { Button } from "@/components/ui/button";
-import { Card, CardContent } from "@/components/ui/card";
 import { Input } from "@/components/ui/input";
 import { Label } from "@/components/ui/label";
 import type { AvatarCustomization } from "@/lib/avatar-customization-storage";
 import { clampHsl } from "@/lib/character/color-utils";
 import {
-  CHARACTER_LAYERS,
   COLOR_PRESETS,
   DEFAULT_GRAY_COLOR,
   LAYER_DEFAULT_COLORS,
   NONE_VARIANT_ID,
   buildDefaultVariants,
   getLayerById,
+  type CharacterCreatorTabId,
   type ColorPreset,
 } from "@/lib/character/presets";
 import type { LayerColorState, LayerVariantState } from "@/lib/character/types";
 import { isVariantUnlocked } from "@/lib/character/variant-access";
+import {
+  isRoomBackgroundUnlocked,
+  normalizeRoomBackgroundId,
+  type RoomBackgroundId,
+} from "@/lib/room-backgrounds";
 
 function SectionLabel({ children }: { children: React.ReactNode }) {
   return (
@@ -74,14 +80,20 @@ export function CharacterCreator({
   const [variants, setVariants] = useState<LayerVariantState>(
     initialCustomization?.variants ?? buildDefaultVariants(),
   );
+  const [roomBackground, setRoomBackground] = useState<RoomBackgroundId>(
+    normalizeRoomBackgroundId(initialCustomization?.roomBackground),
+  );
   const [activePresetId, setActivePresetId] = useState<string>(
     DEFAULT_GRAY_COLOR.id,
   );
-  const [activeLayerId, setActiveLayerId] = useState<
-    (typeof CHARACTER_LAYERS)[number]["id"]
-  >("skin");
+  const [activeTabId, setActiveTabId] = useState<CharacterCreatorTabId>("skin");
   const [saveError, setSaveError] = useState<string | null>(null);
 
+  const isRoomTab = activeTabId === "room";
+  const isSkinTab = activeTabId === "skin";
+  const showStyleSection = !isSkinTab;
+  const showColorAdjust = !isRoomTab;
+  const activeLayerId = isRoomTab ? "skin" : activeTabId;
   const activeLayer = getLayerById(activeLayerId);
   const activeColor = colors[activeLayerId];
   const ownedSet = new Set(ownedVariantIds);
@@ -112,9 +124,14 @@ export function CharacterCreator({
     }));
   };
 
-  const handleLayerChange = (layerId: (typeof CHARACTER_LAYERS)[number]["id"]) => {
-    setActiveLayerId(layerId);
-    const layerColor = colors[layerId];
+  const handleTabChange = (tabId: CharacterCreatorTabId) => {
+    setActiveTabId(tabId);
+
+    if (tabId === "room") {
+      return;
+    }
+
+    const layerColor = colors[tabId];
     const matchingPreset = COLOR_PRESETS.find(
       (preset) =>
         preset.hsl.h === layerColor.h &&
@@ -135,12 +152,21 @@ export function CharacterCreator({
     }));
   };
 
+  const handleRoomChange = (roomId: RoomBackgroundId) => {
+    if (!isRoomBackgroundUnlocked(roomId, ownedVariantIds)) {
+      return;
+    }
+
+    setRoomBackground(roomId);
+  };
+
   const buildCustomization = (): AvatarCustomization => ({
     name,
     colors,
     variants,
     customized: true,
     equippedItems: initialCustomization?.equippedItems ?? [],
+    roomBackground,
   });
 
   const handleSave = async () => {
@@ -160,9 +186,9 @@ export function CharacterCreator({
   };
 
   return (
-    <div className="grid gap-5">
+    <div className="tamagotchi-shell overflow-hidden p-3 sm:p-4">
       {showNameField ? (
-        <div className="grid max-w-md gap-2">
+        <div className="mb-4 grid max-w-md gap-2 border-b-2 border-border/60 pb-4">
           <Label htmlFor="avatar-name">Pet name</Label>
           <Input
             id="avatar-name"
@@ -174,75 +200,89 @@ export function CharacterCreator({
         </div>
       ) : null}
 
-      <CharacterLayerTabs
-        activeLayerId={activeLayerId}
-        onLayerChange={handleLayerChange}
-      />
+      <CharacterLayerTabs activeTabId={activeTabId} onTabChange={handleTabChange} />
 
-      <div className="grid items-stretch gap-5 lg:grid-cols-[minmax(0,1fr)_minmax(0,1.15fr)]">
-        <Card className="flex flex-col overflow-hidden border-border/60 shadow-sm">
-          <CardContent className="flex flex-1 items-center justify-center p-6">
-            <CharacterLayerPreview
-              colors={colors}
-              variants={variants}
-              scale={10}
-              className="w-full"
-            />
-          </CardContent>
-        </Card>
+      <div className="customize-body mt-4 grid items-stretch gap-4 lg:grid-cols-[minmax(0,1fr)_minmax(0,1.15fr)] lg:gap-5">
+        <div className="flex min-h-full min-w-0 flex-col">
+          <div className="tamagotchi-lcd tamagotchi-lcd-pet-match relative">
+            <ParallaxRoomBackground roomId={roomBackground} interactive={false} />
+            <div className="relative z-10 flex h-full items-center justify-center">
+              <CharacterLayerPreview
+                colors={colors}
+                variants={variants}
+                scale={8}
+                compact
+                className="!h-auto max-h-none"
+              />
+            </div>
+            <div className="pointer-events-none absolute inset-x-0 bottom-0 z-[2] h-8 bg-gradient-to-t from-black/35 to-transparent" />
+          </div>
+        </div>
 
-        <Card className="flex flex-col border-border/60 shadow-sm">
-          <CardContent className="flex flex-1 flex-col gap-5 p-6">
-            <section className="grid h-[5.75rem] shrink-0 gap-3">
+        <div className="flex min-h-full min-w-0 flex-col gap-5 border-t-2 border-border/60 pt-4 lg:border-l-2 lg:border-t-0 lg:pl-5 lg:pt-0">
+          {showStyleSection ? (
+            <section className="grid shrink-0 gap-3">
               <SectionLabel>Style</SectionLabel>
               <div className="min-h-14">
-                <CharacterPieceSelector
-                  variants={pieceVariants}
-                  lockedVariantIds={lockedVariantIds}
-                  activeId={variants[activeLayerId]}
+                {isRoomTab ? (
+                  <RoomStyleSelector
+                    activeId={roomBackground}
+                    ownedItemIds={ownedVariantIds}
+                    onSelect={handleRoomChange}
+                  />
+                ) : (
+                  <CharacterPieceSelector
+                    variants={pieceVariants}
+                    lockedVariantIds={lockedVariantIds}
+                    activeId={variants[activeLayerId]}
+                    color={activeColor}
+                    skinColor={colors.skin}
+                    onSelect={handleVariantChange}
+                  />
+                )}
+              </div>
+            </section>
+          ) : null}
+
+          {showColorAdjust ? (
+            <>
+              <section className="grid shrink-0 gap-3">
+                <SectionLabel>Color</SectionLabel>
+                <div className="min-h-[4.75rem]">
+                  <CharacterColorPresets
+                    presets={COLOR_PRESETS}
+                    activeId={activePresetId}
+                    onSelect={applyPreset}
+                  />
+                </div>
+              </section>
+
+              <section className="grid shrink-0 gap-4">
+                <SectionLabel>Adjust</SectionLabel>
+                <CharacterColorSliders
                   color={activeColor}
-                  skinColor={colors.skin}
-                  onSelect={handleVariantChange}
+                  onChange={updateActiveColor}
                 />
-              </div>
-            </section>
+              </section>
+            </>
+          ) : null}
 
-            <section className="grid shrink-0 gap-3">
-              <SectionLabel>Color</SectionLabel>
-              <div className="min-h-[4.75rem]">
-                <CharacterColorPresets
-                  presets={COLOR_PRESETS}
-                  activeId={activePresetId}
-                  onSelect={applyPreset}
-                />
-              </div>
-            </section>
-
-            <section className="grid shrink-0 gap-4">
-              <SectionLabel>Adjust</SectionLabel>
-              <CharacterColorSliders
-                color={activeColor}
-                onChange={updateActiveColor}
-              />
-            </section>
-
-            {onSave ? (
-              <div className="grid gap-2 pt-1">
-                <Button
-                  id="avatar-customization-save"
-                  type="button"
-                  disabled={isSaving}
-                  onClick={() => void handleSave()}
-                >
-                  {isSaving ? "Saving..." : saveLabel}
-                </Button>
-                {saveError ? (
-                  <p className="text-sm text-red-500">{saveError}</p>
-                ) : null}
-              </div>
-            ) : null}
-          </CardContent>
-        </Card>
+          {onSave ? (
+            <div className="mt-auto grid gap-2 pt-1">
+              <Button
+                id="avatar-customization-save"
+                type="button"
+                disabled={isSaving}
+                onClick={() => void handleSave()}
+              >
+                {isSaving ? "Saving..." : saveLabel}
+              </Button>
+              {saveError ? (
+                <p className="text-sm text-red-500">{saveError}</p>
+              ) : null}
+            </div>
+          ) : null}
+        </div>
       </div>
     </div>
   );
diff --git a/components/character/character-layer-tabs.tsx b/components/character/character-layer-tabs.tsx
index 9333a27..f6fb788 100644
--- a/components/character/character-layer-tabs.tsx
+++ b/components/character/character-layer-tabs.tsx
@@ -1,38 +1,41 @@
 "use client";
 
-import { CHARACTER_LAYERS, type CharacterLayerId } from "@/lib/character/presets";
+import {
+  CHARACTER_CUSTOMIZATION_TABS,
+  type CharacterCreatorTabId,
+} from "@/lib/character/presets";
 import { cn } from "@/lib/utils";
 
 type CharacterLayerTabsProps = {
-  activeLayerId: CharacterLayerId;
-  onLayerChange: (layerId: CharacterLayerId) => void;
+  activeTabId: CharacterCreatorTabId;
+  onTabChange: (tabId: CharacterCreatorTabId) => void;
 };
 
 export function CharacterLayerTabs({
-  activeLayerId,
-  onLayerChange,
+  activeTabId,
+  onTabChange,
 }: CharacterLayerTabsProps) {
   return (
     <div
       role="tablist"
-      aria-label="Character layers"
-      className="flex gap-0.5 overflow-x-auto rounded-lg border bg-muted/30 p-1"
+      aria-label="Character customization"
+      className="grid grid-cols-7 gap-0.5 border-2 border-border bg-muted/30 p-0.5"
     >
-      {CHARACTER_LAYERS.map((layer) => (
+      {CHARACTER_CUSTOMIZATION_TABS.map((tab) => (
         <button
-          key={layer.id}
+          key={tab.id}
           type="button"
           role="tab"
-          aria-selected={activeLayerId === layer.id}
-          onClick={() => onLayerChange(layer.id)}
+          aria-selected={activeTabId === tab.id}
+          onClick={() => onTabChange(tab.id)}
           className={cn(
-            "min-w-[4.5rem] flex-1 rounded-md px-3 py-2 text-sm font-medium transition-colors",
-            activeLayerId === layer.id
-              ? "bg-background text-foreground shadow-sm"
-              : "text-muted-foreground hover:text-foreground",
+            "min-w-0 truncate border-2 px-0.5 py-1.5 text-[7px] font-medium uppercase leading-tight tracking-wide transition-colors sm:px-1 sm:text-[8px]",
+            activeTabId === tab.id
+              ? "border-secondary bg-background text-foreground shadow-[var(--retro-shadow-sm)]"
+              : "border-transparent text-muted-foreground hover:border-border/60 hover:text-foreground",
           )}
         >
-          {layer.label}
+          {tab.label}
         </button>
       ))}
     </div>
diff --git a/components/habits/habit-tracker.tsx b/components/habits/habit-tracker.tsx
index 6e5df1c..4553fa0 100644
--- a/components/habits/habit-tracker.tsx
+++ b/components/habits/habit-tracker.tsx
@@ -35,7 +35,7 @@ import { getProfilePreferences } from "@/lib/profile-preferences-storage";
 import { hasCompletedDailyQuizToday } from "@/lib/daily-quiz-storage";
 
 type HabitTrackerProps = {
-  mode?: "daily" | "manage";
+  mode?: "daily" | "manage" | "all";
 };
 
 const reasonLabels = {
@@ -409,6 +409,90 @@ export function HabitTracker({ mode = "daily" }: HabitTrackerProps) {
     );
   }
 
+  if (mode === "all") {
+    return (
+      <div className="flex flex-col gap-6">
+        <Card>
+          <CardHeader>
+            <CardTitle className="text-base">Today&apos;s tasks</CardTitle>
+            <CardDescription>
+              Personalized from your focus topics
+              {quizCompletedToday ? ", today's quiz," : ""} and custom habits.
+            </CardDescription>
+          </CardHeader>
+          <CardContent className="space-y-4">
+            {error ? <p className="text-sm text-red-500">{error}</p> : null}
+            {coinMessage ? (
+              <p className="text-sm font-medium text-emerald-600">{coinMessage}</p>
+            ) : null}
+            <DailyTaskList
+              tasks={dailyTasks}
+              getIsCompleted={getIsCompleted}
+              isPending={isPending}
+              getToggleError={getToggleError}
+              onToggle={handleToggle}
+            />
+          </CardContent>
+        </Card>
+
+        <Card>
+          <CardHeader>
+            <CardTitle className="text-base">Custom habits</CardTitle>
+            <CardDescription>
+              Add your own habits. Custom habits always appear in your daily
+              task list.
+            </CardDescription>
+          </CardHeader>
+          <CardContent className="space-y-4">
+            <CustomHabitList habits={customHabits} onRemove={handleRemoveHabit} />
+            <div className="flex gap-2">
+              <Input
+                value={newHabitLabel}
+                placeholder="Add a custom habit"
+                disabled={isSaving}
+                onChange={(event) => setNewHabitLabel(event.target.value)}
+                onKeyDown={(event) => {
+                  if (event.key === "Enter") {
+                    event.preventDefault();
+                    void handleAddHabit();
+                  }
+                }}
+              />
+              <Button
+                type="button"
+                disabled={isSaving || newHabitLabel.trim().length === 0}
+                onClick={() => void handleAddHabit()}
+              >
+                Add
+              </Button>
+            </div>
+          </CardContent>
+        </Card>
+
+        <Card>
+          <CardHeader>
+            <CardTitle className="text-base">How daily tasks are picked</CardTitle>
+            <CardDescription>
+              Your tasks combine focus preferences, custom habits, and today&apos;s
+              quiz.
+            </CardDescription>
+          </CardHeader>
+          <CardContent className="space-y-3 text-sm text-muted-foreground">
+            <p>Focus topics: {focusTopic ?? "None selected"}</p>
+            <p>
+              Daily quiz today:{" "}
+              {quizCompletedToday ? "Completed" : "Not completed yet"}
+            </p>
+            <p>
+              Suggested habits can appear when your quiz shows low energy, high
+              stress, or poor sleep.
+            </p>
+          </CardContent>
+        </Card>
+      </div>
+    );
+  }
+
   if (mode === "manage") {
     return (
       <div className="flex flex-col gap-6">
diff --git a/components/layout/app-nav.tsx b/components/layout/app-nav.tsx
index d03db2c..a004c13 100644
--- a/components/layout/app-nav.tsx
+++ b/components/layout/app-nav.tsx
@@ -5,6 +5,7 @@ import { usePathname } from "next/navigation";
 import {
   Home,
   ListPlus,
+  Palette,
   ShoppingBag,
   Sparkles,
   UserRound,
@@ -19,10 +20,12 @@ const gridColsClass = {
   3: "grid-cols-3",
   4: "grid-cols-4",
   5: "grid-cols-5",
+  6: "grid-cols-6",
 } as const;
 
 const navIcons = {
   [routes.avatar]: Home,
+  [routes.customize]: Palette,
   [routes.habits]: ListPlus,
   [routes.dailyQuiz]: Sparkles,
   [routes.shop]: ShoppingBag,
@@ -37,14 +40,21 @@ export function AppNav({ items = appNavItems }: AppNavProps) {
   const pathname = usePathname();
   const columnCount = Math.min(
     items.length,
-    5,
+    6,
   ) as keyof typeof gridColsClass;
 
   return (
-    <nav className="fixed inset-x-0 bottom-0 z-50 border-t bg-background/95 backdrop-blur supports-[backdrop-filter]:bg-background/80">
+    <nav
+      className="fixed inset-x-0 bottom-0 z-50 border-t-2 border-border bg-background/95 shadow-[0_-4px_0_0_hsl(280_45%_28%/0.35)] backdrop-blur supports-[backdrop-filter]:bg-background/90"
+      style={{ height: "var(--bottom-nav-height)" }}
+    >
+      <div
+        aria-hidden
+        className="pointer-events-none absolute inset-x-0 top-0 h-px bg-secondary/40"
+      />
       <div
         className={cn(
-          "mx-auto grid max-w-lg gap-1 px-1 pb-[max(0.5rem,env(safe-area-inset-bottom))] pt-2",
+          "mx-auto grid h-full max-w-6xl gap-1 px-2 pb-[max(0.5rem,env(safe-area-inset-bottom))] pt-2",
           gridColsClass[columnCount],
         )}
       >
@@ -59,18 +69,20 @@ export function AppNav({ items = appNavItems }: AppNavProps) {
               key={item.href}
               href={item.href}
               className={cn(
-                "flex flex-col items-center gap-1 rounded-lg px-1 py-2 text-[9px] font-medium leading-tight transition-colors",
+                "flex flex-col items-center justify-center gap-1.5 border-2 px-1 py-2 text-[9px] leading-none transition-all duration-75",
                 isActive
-                  ? "bg-primary text-primary-foreground"
-                  : "text-muted-foreground hover:bg-muted hover:text-foreground",
+                  ? "border-secondary bg-primary text-primary-foreground shadow-[var(--retro-shadow-sm)] -translate-y-0.5"
+                  : "border-transparent text-muted-foreground hover:border-border hover:bg-muted hover:text-foreground hover:-translate-y-0.5",
               )}
             >
-              <Icon className="h-4 w-4" />
-              <span>{item.shortLabel}</span>
+              <Icon className="h-5 w-5 shrink-0" strokeWidth={2.5} />
+              <span className="max-w-full truncate uppercase tracking-wide">
+                {item.shortLabel}
+              </span>
             </Link>
           );
         })}
       </div>
     </nav>
   );
-}
+}
\ No newline at end of file
diff --git a/components/layout/app-page-header.tsx b/components/layout/app-page-header.tsx
new file mode 100644
index 0000000..432ba11
--- /dev/null
+++ b/components/layout/app-page-header.tsx
@@ -0,0 +1,33 @@
+import { cn } from "@/lib/utils";
+
+type AppPageHeaderProps = {
+  title: string;
+  description?: string;
+  eyebrow?: string;
+  wide?: boolean;
+};
+
+export function AppPageHeader({
+  title,
+  description,
+  eyebrow,
+  wide = false,
+}: AppPageHeaderProps) {
+  return (
+    <header className="border-b-2 border-border bg-card/60 shadow-[var(--retro-shadow-sm)]">
+      <div className={cn("mx-auto px-5 py-5", wide ? "max-w-6xl" : "max-w-lg")}>
+        {eyebrow ? (
+          <p className="mb-2 text-xs uppercase tracking-[0.2em] text-muted-foreground">
+            {eyebrow}
+          </p>
+        ) : null}
+        <h1 className="text-sm">{title}</h1>
+        {description ? (
+          <p className="mt-2 text-xs leading-relaxed text-muted-foreground">
+            {description}
+          </p>
+        ) : null}
+      </div>
+    </header>
+  );
+}
diff --git a/components/layout/app-shell.tsx b/components/layout/app-shell.tsx
index 3cd420a..110e5c1 100644
--- a/components/layout/app-shell.tsx
+++ b/components/layout/app-shell.tsx
@@ -1,25 +1,32 @@
+import { AppPageHeader } from "@/components/layout/app-page-header";
+import { cn } from "@/lib/utils";
+
 type AppShellProps = {
   children: React.ReactNode;
   title?: string;
   description?: string;
+  wide?: boolean;
 };
 
-export function AppShell({ children, title, description }: AppShellProps) {
+export function AppShell({
+  children,
+  title,
+  description,
+  wide = false,
+}: AppShellProps) {
   return (
-    <div className="min-h-svh bg-background">
-      {(title || description) && (
-        <header className="border-b border-border/60 bg-card/40">
-          <div className="mx-auto max-w-lg px-5 py-5">
-            {title ? (
-              <h1 className="text-xl font-semibold tracking-tight">{title}</h1>
-            ) : null}
-            {description ? (
-              <p className="mt-1 text-sm text-muted-foreground">{description}</p>
-            ) : null}
-          </div>
-        </header>
-      )}
-      <main className="mx-auto max-w-lg px-5 py-6">{children}</main>
+    <div className="relative bg-background bg-[radial-gradient(circle_at_20%_0%,hsl(var(--primary)/0.12)_0%,transparent_45%),radial-gradient(circle_at_80%_100%,hsl(var(--secondary)/0.1)_0%,transparent_40%)]">
+      {title ? (
+        <AppPageHeader title={title} description={description} wide={wide} />
+      ) : null}
+      <main
+        className={cn(
+          "mx-auto px-5 py-6",
+          wide ? "max-w-6xl" : "max-w-lg",
+        )}
+      >
+        {children}
+      </main>
     </div>
   );
 }
diff --git a/components/onboarding/onboarding-customize-form.tsx b/components/onboarding/onboarding-customize-form.tsx
index 0c18c44..1aa02a5 100644
--- a/components/onboarding/onboarding-customize-form.tsx
+++ b/components/onboarding/onboarding-customize-form.tsx
@@ -3,15 +3,9 @@
 import { useRouter } from "next/navigation";
 import { useState } from "react";
 
+import { AvatarCustomizeLayout } from "@/components/avatar/avatar-customize-layout";
 import { CharacterCreator } from "@/components/character/character-creator";
 import { useToast } from "@/components/ui/toast-provider";
-import {
-  Card,
-  CardContent,
-  CardDescription,
-  CardHeader,
-  CardTitle,
-} from "@/components/ui/card";
 import {
   defaultAvatarCustomization,
   saveAvatarCustomization,
@@ -53,42 +47,20 @@ export function OnboardingCustomizeForm() {
   };
 
   return (
-    <div className="min-h-svh bg-background">
-      <main className="mx-auto flex min-h-svh max-w-6xl flex-col justify-center px-4 py-10">
-        <div className="mb-8 space-y-2 text-center">
-          <p className="text-sm uppercase tracking-[0.2em] text-muted-foreground">
-            Step 2 of 2
-          </p>
-          <h1 className="text-3xl font-semibold tracking-tight">
-            Create your Habit Pet
-          </h1>
-          <p className="mx-auto max-w-2xl text-sm text-muted-foreground">
-            Customize your pet&apos;s look, give them a name, and confirm before
-            entering the app.
-          </p>
-        </div>
-
-        <Card className="border-border/60 shadow-sm">
-          <CardHeader>
-            <CardTitle className="text-base">Avatar customization</CardTitle>
-            <CardDescription>
-              Pick styles and colors for each layer. You can change these later
-              from the Pet tab.
-            </CardDescription>
-          </CardHeader>
-          <CardContent className="space-y-4">
-            <CharacterCreator
-              initialCustomization={defaultAvatarCustomization}
-              name={avatarName}
-              onNameChange={setAvatarName}
-              showNameField
-              saveLabel={isSubmitting ? "Saving..." : "Confirm avatar"}
-              isSaving={isSubmitting}
-              onSave={handleSave}
-            />
-          </CardContent>
-        </Card>
-      </main>
-    </div>
+    <AvatarCustomizeLayout
+      eyebrow="Step 2 of 2"
+      title="Create your Habit Pet"
+      description="Customize your pet's look, give them a name, and confirm before entering the app."
+    >
+      <CharacterCreator
+        initialCustomization={defaultAvatarCustomization}
+        name={avatarName}
+        onNameChange={setAvatarName}
+        showNameField
+        saveLabel={isSubmitting ? "Saving..." : "Confirm avatar"}
+        isSaving={isSubmitting}
+        onSave={handleSave}
+      />
+    </AvatarCustomizeLayout>
   );
 }
diff --git a/components/onboarding/onboarding-quiz-form.tsx b/components/onboarding/onboarding-quiz-form.tsx
index 95d767c..3182601 100644
--- a/components/onboarding/onboarding-quiz-form.tsx
+++ b/components/onboarding/onboarding-quiz-form.tsx
@@ -48,8 +48,7 @@ export function OnboardingQuizForm() {
   };
 
   return (
-    <div className="min-h-svh bg-background">
-      <main className="mx-auto flex min-h-svh max-w-lg flex-col justify-center px-5 py-10">
+    <main className="mx-auto max-w-lg px-5 py-10">
         <div className="mb-8 text-center">
           <p className="text-sm uppercase tracking-[0.2em] text-muted-foreground">
             Step 1 of 2
@@ -102,7 +101,6 @@ export function OnboardingQuizForm() {
             </Button>
           </CardContent>
         </Card>
-      </main>
-    </div>
+    </main>
   );
 }
diff --git a/components/pet/animated-pet-sprite.tsx b/components/pet/animated-pet-sprite.tsx
new file mode 100644
index 0000000..e91a8ec
--- /dev/null
+++ b/components/pet/animated-pet-sprite.tsx
@@ -0,0 +1,107 @@
+"use client";
+
+import { useEffect, useState } from "react";
+
+import { CharacterLayerPreview } from "@/components/character/character-layer-preview";
+import type { AvatarCustomization } from "@/lib/avatar-customization-storage";
+import { cn } from "@/lib/utils";
+
+type AnimatedPetSpriteProps = {
+  customization: AvatarCustomization;
+  className?: string;
+};
+
+type WanderPosition = {
+  x: number;
+  y: number;
+  facing: "left" | "right";
+};
+
+const MIN_X = 24;
+const MAX_X = 72;
+const MIN_Y = 34;
+const MAX_Y = 62;
+
+function randomPosition(current?: WanderPosition): WanderPosition {
+  let next: WanderPosition = {
+    x: MIN_X + Math.random() * (MAX_X - MIN_X),
+    y: MIN_Y + Math.random() * (MAX_Y - MIN_Y),
+    facing: Math.random() > 0.5 ? "right" : "left",
+  };
+
+  if (current) {
+    let attempts = 0;
+    while (
+      attempts < 6 &&
+      Math.hypot(next.x - current.x, next.y - current.y) < 8
+    ) {
+      next = {
+        x: MIN_X + Math.random() * (MAX_X - MIN_X),
+        y: MIN_Y + Math.random() * (MAX_Y - MIN_Y),
+        facing: next.x >= current.x ? "right" : "left",
+      };
+      attempts += 1;
+    }
+  }
+
+  return next;
+}
+
+export function AnimatedPetSprite({
+  customization,
+  className,
+}: AnimatedPetSpriteProps) {
+  const [position, setPosition] = useState<WanderPosition>({
+    x: 48,
+    y: 48,
+    facing: "right",
+  });
+
+  useEffect(() => {
+    let timeoutId: number | undefined;
+
+    const scheduleWander = () => {
+      const delay = 1800 + Math.random() * 3200;
+      timeoutId = window.setTimeout(() => {
+        setPosition((current) => randomPosition(current));
+        scheduleWander();
+      }, delay);
+    };
+
+    scheduleWander();
+    return () => {
+      if (timeoutId) {
+        window.clearTimeout(timeoutId);
+      }
+    };
+  }, []);
+
+  return (
+    <div
+      className={cn("pointer-events-none absolute z-10", className)}
+      style={{
+        left: `${position.x}%`,
+        top: `${position.y}%`,
+        transform: "translate(-50%, -50%)",
+        transition: "left 1.8s steps(10), top 1.8s steps(10)",
+      }}
+    >
+      <div
+        style={{
+          transform: position.facing === "left" ? "scaleX(-1)" : undefined,
+        }}
+      >
+        <div className="animate-pet-breathe origin-bottom">
+          <CharacterLayerPreview
+            colors={customization.colors}
+            variants={customization.variants}
+            equippedItems={customization.equippedItems}
+            scale={7}
+            compact
+            className="!h-auto max-h-none"
+          />
+        </div>
+      </div>
+    </div>
+  );
+}
diff --git a/components/pet/parallax-room-background.tsx b/components/pet/parallax-room-background.tsx
new file mode 100644
index 0000000..83bfd88
--- /dev/null
+++ b/components/pet/parallax-room-background.tsx
@@ -0,0 +1,68 @@
+"use client";
+
+import { useEffect, useRef, useState } from "react";
+
+import {
+  getRoomBackground,
+  type RoomBackgroundId,
+} from "@/lib/room-backgrounds";
+import { cn } from "@/lib/utils";
+
+type ParallaxRoomBackgroundProps = {
+  roomId: RoomBackgroundId;
+  className?: string;
+  interactive?: boolean;
+};
+
+export function ParallaxRoomBackground({
+  roomId,
+  className,
+  interactive = true,
+}: ParallaxRoomBackgroundProps) {
+  const containerRef = useRef<HTMLDivElement>(null);
+  const [offset, setOffset] = useState({ x: 0, y: 0 });
+  const room = getRoomBackground(roomId);
+
+  useEffect(() => {
+    if (!interactive) {
+      return;
+    }
+
+    const container = containerRef.current;
+    if (!container) {
+      return;
+    }
+
+    const handlePointerMove = (event: PointerEvent) => {
+      const rect = container.getBoundingClientRect();
+      const x = ((event.clientX - rect.left) / rect.width - 0.5) * 2;
+      const y = ((event.clientY - rect.top) / rect.height - 0.5) * 2;
+      setOffset({ x, y });
+    };
+
+    container.addEventListener("pointermove", handlePointerMove);
+    return () => {
+      container.removeEventListener("pointermove", handlePointerMove);
+    };
+  }, [interactive]);
+
+  return (
+    <div ref={containerRef} className={cn("absolute inset-0 overflow-hidden", className)}>
+      {room.layers.map((layer, index) => (
+        <div
+          key={layer.id}
+          aria-hidden
+          className={cn(
+            "absolute inset-[-12%]",
+            layer.className,
+            index % 2 === 0 ? "animate-parallax-drift" : "animate-star-twinkle",
+          )}
+          style={{
+            transform: `translate3d(${offset.x * layer.speed * 10}px, ${offset.y * layer.speed * 8}px, 0)`,
+            transition: "transform 0.15s steps(4)",
+          }}
+        />
+      ))}
+    </div>
+  );
+}
diff --git a/components/pet/pet-habitat.tsx b/components/pet/pet-habitat.tsx
new file mode 100644
index 0000000..9247e99
--- /dev/null
+++ b/components/pet/pet-habitat.tsx
@@ -0,0 +1,77 @@
+"use client";
+
+import { useEffect, useState } from "react";
+
+import { AnimatedPetSprite } from "@/components/pet/animated-pet-sprite";
+import { ParallaxRoomBackground } from "@/components/pet/parallax-room-background";
+import { PixelGauge } from "@/components/pet/pixel-gauge";
+import type { AvatarCustomization } from "@/lib/avatar-customization-storage";
+import {
+  defaultAvatarCondition,
+  type AvatarCondition,
+} from "@/lib/avatar-state";
+import { getAvatarConditionForToday } from "@/lib/daily-quiz-storage";
+import {
+  normalizeRoomBackgroundId,
+  type RoomBackgroundId,
+} from "@/lib/room-backgrounds";
+import { cn } from "@/lib/utils";
+
+type PetHabitatProps = {
+  customization: AvatarCustomization;
+  className?: string;
+};
+
+const MOOD_LABELS = {
+  happy: "HAPPY",
+  neutral: "OKAY",
+  tired: "SLEEPY",
+} as const;
+
+export function PetHabitat({ customization, className }: PetHabitatProps) {
+  const [condition, setCondition] = useState<AvatarCondition>(
+    defaultAvatarCondition,
+  );
+  const [isReady, setIsReady] = useState(false);
+  const roomId = normalizeRoomBackgroundId(customization.roomBackground);
+
+  useEffect(() => {
+    async function loadStatus() {
+      setCondition((await getAvatarConditionForToday()) ?? defaultAvatarCondition);
+      setIsReady(true);
+    }
+
+    void loadStatus();
+  }, []);
+
+  if (!isReady) {
+    return (
+      <div className={cn("tamagotchi-shell p-4", className)}>
+        <p className="text-center text-[10px] text-muted-foreground">
+          Waking up pet...
+        </p>
+      </div>
+    );
+  }
+
+  return (
+    <div className={cn("tamagotchi-shell overflow-hidden p-3 sm:p-4", className)}>
+      <div className="mb-3 border-b-2 border-border/60 pb-3">
+        <p className="text-sm text-foreground">{customization.name}</p>
+        <p className="mt-1 text-[9px] uppercase tracking-[0.25em] text-secondary">
+          {MOOD_LABELS[condition.mood]}
+        </p>
+      </div>
+
+      <div className="tamagotchi-lcd tamagotchi-lcd-pet-match relative">
+        <ParallaxRoomBackground roomId={roomId as RoomBackgroundId} />
+        <AnimatedPetSprite customization={customization} />
+        <div className="pointer-events-none absolute left-2 top-2 z-20 grid gap-1.5">
+          <PixelGauge type="heart" value={condition.health} variant="overlay" />
+          <PixelGauge type="energy" value={condition.energy} variant="overlay" />
+        </div>
+        <div className="pointer-events-none absolute inset-x-0 bottom-0 z-[2] h-8 bg-gradient-to-t from-black/35 to-transparent" />
+      </div>
+    </div>
+  );
+}
diff --git a/components/pet/pixel-gauge.tsx b/components/pet/pixel-gauge.tsx
new file mode 100644
index 0000000..91b3f0e
--- /dev/null
+++ b/components/pet/pixel-gauge.tsx
@@ -0,0 +1,62 @@
+"use client";
+
+import { Heart, Zap } from "lucide-react";
+
+import { WELLNESS_SCALE_MAX } from "@/lib/avatar-state";
+import { cn } from "@/lib/utils";
+
+type PixelGaugeProps = {
+  type: "heart" | "energy";
+  value: number;
+  max?: number;
+  className?: string;
+  variant?: "default" | "overlay";
+};
+
+export function PixelGauge({
+  type,
+  value,
+  max = WELLNESS_SCALE_MAX,
+  className,
+  variant = "default",
+}: PixelGaugeProps) {
+  const filled = Math.max(0, Math.min(max, Math.round(value)));
+  const Icon = type === "heart" ? Heart : Zap;
+  const label = type === "heart" ? "HP" : "NRG";
+  const activeClass =
+    type === "heart"
+      ? "fill-rose-400 text-rose-400"
+      : "fill-amber-300 text-amber-300";
+  const emptyClass = "text-muted-foreground/35";
+  const isOverlay = variant === "overlay";
+
+  return (
+    <div
+      className={cn(
+        "flex items-center",
+        isOverlay ? "gap-1" : "gap-1.5",
+        className,
+      )}
+      aria-label={`${label}: ${filled} of ${max}`}
+    >
+      {!isOverlay ? (
+        <span className="w-7 shrink-0 text-[9px] uppercase tracking-wider text-muted-foreground">
+          {label}
+        </span>
+      ) : null}
+      <div className={cn("flex items-center", isOverlay ? "gap-1" : "gap-0.5")}>
+        {Array.from({ length: max }, (_, index) => (
+          <Icon
+            key={`${type}-${index}`}
+            className={cn(
+              "shrink-0 stroke-[2.5]",
+              isOverlay ? "size-6" : "size-4",
+              index < filled ? activeClass : emptyClass,
+            )}
+            aria-hidden
+          />
+        ))}
+      </div>
+    </div>
+  );
+}
diff --git a/components/pet/room-background-picker.tsx b/components/pet/room-background-picker.tsx
new file mode 100644
index 0000000..42dbd9d
--- /dev/null
+++ b/components/pet/room-background-picker.tsx
@@ -0,0 +1,83 @@
+"use client";
+
+import { Lock } from "lucide-react";
+
+import {
+  ROOM_BACKGROUNDS,
+  isRoomBackgroundUnlocked,
+  type RoomBackgroundId,
+} from "@/lib/room-backgrounds";
+import { cn } from "@/lib/utils";
+
+type RoomBackgroundPickerProps = {
+  value: RoomBackgroundId;
+  ownedItemIds: string[];
+  onChange: (roomId: RoomBackgroundId) => void;
+  compact?: boolean;
+};
+
+export function RoomBackgroundPicker({
+  value,
+  ownedItemIds,
+  onChange,
+  compact = false,
+}: RoomBackgroundPickerProps) {
+  return (
+    <section className="grid gap-3">
+      {!compact ? (
+        <div>
+          <h3 className="text-[10px] uppercase tracking-[0.2em] text-muted-foreground">
+            Room background
+          </h3>
+          <p className="mt-1 text-[9px] text-muted-foreground">
+            Pick the scene behind your pet. Premium rooms unlock in the shop.
+          </p>
+        </div>
+      ) : (
+        <p className="text-[9px] text-muted-foreground">
+          Premium rooms unlock in the shop.
+        </p>
+      )}
+      <div className="grid grid-cols-2 gap-2">
+        {ROOM_BACKGROUNDS.map((room) => {
+          const unlocked = isRoomBackgroundUnlocked(room.id, ownedItemIds);
+          const selected = value === room.id;
+
+          return (
+            <button
+              key={room.id}
+              type="button"
+              disabled={!unlocked}
+              aria-pressed={selected}
+              title={
+                unlocked
+                  ? room.name
+                  : `${room.name} — unlock in the shop`
+              }
+              onClick={() => onChange(room.id)}
+              className={cn(
+                "relative aspect-[4/3] overflow-hidden border-2 transition-transform",
+                selected
+                  ? "border-secondary shadow-[0_0_0_2px_hsl(var(--secondary)/0.35)]"
+                  : "border-border/70",
+                unlocked
+                  ? "hover:-translate-y-0.5"
+                  : "cursor-not-allowed opacity-80",
+              )}
+            >
+              <div className={cn("absolute inset-0", room.previewClassName)} />
+              <p className="absolute inset-x-0 bottom-0 bg-black/55 px-1.5 py-1 text-left text-[8px] uppercase tracking-wider text-foreground">
+                {room.name}
+              </p>
+              {!unlocked ? (
+                <span className="absolute inset-0 flex items-center justify-center bg-background/55">
+                  <Lock className="size-4 text-muted-foreground" strokeWidth={2.25} />
+                </span>
+              ) : null}
+            </button>
+          );
+        })}
+      </div>
+    </section>
+  );
+}
diff --git a/components/pet/room-style-selector.tsx b/components/pet/room-style-selector.tsx
new file mode 100644
index 0000000..df12f09
--- /dev/null
+++ b/components/pet/room-style-selector.tsx
@@ -0,0 +1,80 @@
+"use client";
+
+import { Lock } from "lucide-react";
+
+import { PIECE_SLOT_COUNT } from "@/lib/character/presets";
+import {
+  ROOM_BACKGROUNDS,
+  isRoomBackgroundUnlocked,
+  type RoomBackgroundId,
+} from "@/lib/room-backgrounds";
+import { cn } from "@/lib/utils";
+
+type RoomStyleSelectorProps = {
+  activeId: RoomBackgroundId;
+  ownedItemIds: readonly string[];
+  onSelect: (roomId: RoomBackgroundId) => void;
+};
+
+export function RoomStyleSelector({
+  activeId,
+  ownedItemIds,
+  onSelect,
+}: RoomStyleSelectorProps) {
+  const slots = Array.from({ length: PIECE_SLOT_COUNT }, (_, index) =>
+    ROOM_BACKGROUNDS[index] ?? null,
+  );
+
+  return (
+    <div className="grid grid-cols-8 gap-2">
+      {slots.map((room, index) => {
+        if (!room) {
+          return (
+            <div
+              key={`empty-${index}`}
+              aria-hidden
+              className="size-14 rounded-lg border border-dashed border-border/50 bg-muted/15"
+            />
+          );
+        }
+
+        const locked = !isRoomBackgroundUnlocked(room.id, ownedItemIds);
+
+        return (
+          <button
+            key={room.id}
+            type="button"
+            disabled={locked}
+            aria-disabled={locked}
+            title={
+              locked ? `${room.name} — unlock in the shop` : room.name
+            }
+            aria-label={
+              locked ? `${room.name}, locked — unlock in the shop` : room.name
+            }
+            aria-pressed={activeId === room.id}
+            onClick={() => onSelect(room.id)}
+            className={cn(
+              "relative size-14 overflow-hidden rounded-lg border transition-colors",
+              locked
+                ? "cursor-not-allowed border-border/40 opacity-80"
+                : activeId === room.id
+                  ? "border-foreground shadow-[inset_0_0_0_1px_hsl(var(--foreground)/0.15)]"
+                  : "border-border/60 hover:border-border",
+            )}
+          >
+            <div className={cn("absolute inset-0", room.previewClassName)} />
+            {locked ? (
+              <span
+                aria-hidden
+                className="absolute inset-0 flex items-center justify-center bg-background/75"
+              >
+                <Lock className="size-4 text-muted-foreground" strokeWidth={2.25} />
+              </span>
+            ) : null}
+          </button>
+        );
+      })}
+    </div>
+  );
+}
diff --git a/components/shop/shop-content.tsx b/components/shop/shop-content.tsx
index 0c93a84..bb18413 100644
--- a/components/shop/shop-content.tsx
+++ b/components/shop/shop-content.tsx
@@ -15,6 +15,7 @@ import {
 import { useToast } from "@/components/ui/toast-provider";
 import { HABIT_PET_DATA_UPDATED_EVENT } from "@/lib/app-events";
 import { DEFAULT_GRAY_COLOR } from "@/lib/character/presets";
+import { getRoomBackground } from "@/lib/room-backgrounds";
 import {
   equipShopItem,
   getShopInventory,
@@ -35,11 +36,80 @@ const SHOP_LAYER_ORDER: ShopLayerId[] = [
   "eyes",
 ];
 
+function ShopItemCard({
+  item,
+  owned,
+  equipped,
+  canAfford,
+  isPending,
+  onPurchase,
+  onEquipToggle,
+}: {
+  item: ShopItemRecord;
+  owned: boolean;
+  equipped: boolean;
+  canAfford: boolean;
+  isPending: boolean;
+  onPurchase: () => void;
+  onEquipToggle: () => void;
+}) {
+  const room = item.type === "room" ? getRoomBackground(item.id) : null;
+
+  return (
+    <Card>
+      <CardHeader className="pb-3">
+        <div className="flex items-start justify-between gap-3">
+          <div className="flex items-center gap-3">
+            <div className="flex size-14 items-center justify-center border-2 border-border bg-zinc-950/80 p-1.5">
+              {room ? (
+                <div className={`size-full ${room.previewClassName}`} />
+              ) : (
+                <TintedSpriteIcon
+                  src={item.image_path}
+                  color={DEFAULT_GRAY_COLOR.hsl}
+                  size={36}
+                />
+              )}
+            </div>
+            <div>
+              <CardTitle className="text-xs">{item.name}</CardTitle>
+              <CardDescription className="text-[9px]">{item.id}</CardDescription>
+            </div>
+          </div>
+          <Badge>{item.price} pts</Badge>
+        </div>
+      </CardHeader>
+      <CardContent className="grid gap-2">
+        {!owned ? (
+          <Button
+            className="w-full"
+            variant="outline"
+            disabled={!canAfford || isPending}
+            onClick={onPurchase}
+          >
+            {isPending ? "Processing..." : canAfford ? "Buy" : "Not enough points"}
+          </Button>
+        ) : (
+          <Button
+            className="w-full"
+            variant={equipped ? "default" : "outline"}
+            disabled={isPending || (item.type === "room" && equipped)}
+            onClick={onEquipToggle}
+          >
+            {isPending ? "Updating..." : equipped ? "Equipped" : "Equip"}
+          </Button>
+        )}
+      </CardContent>
+    </Card>
+  );
+}
+
 export function ShopContent() {
   const { toast } = useToast();
   const [items, setItems] = useState<ShopItemRecord[]>([]);
   const [ownedItemIds, setOwnedItemIds] = useState<string[]>([]);
   const [equippedItems, setEquippedItems] = useState<string[]>([]);
+  const [equippedRoomBackground, setEquippedRoomBackground] = useState("room-day");
   const [coins, setCoins] = useState<number | null>(null);
   const [error, setError] = useState<string | null>(null);
   const [pendingItemId, setPendingItemId] = useState<string | null>(null);
@@ -51,6 +121,7 @@ export function ShopContent() {
       setItems(inventory.items);
       setOwnedItemIds(inventory.ownedItemIds);
       setEquippedItems(inventory.equippedItems);
+      setEquippedRoomBackground(inventory.equippedRoomBackground);
       setCoins(inventory.coins);
     } catch (refreshError) {
       setError(
@@ -94,12 +165,15 @@ export function ShopContent() {
     setPendingItemId(item.id);
 
     try {
-      const isEquipped = equippedItems.includes(item.id);
+      const isEquipped =
+        item.type === "room"
+          ? equippedRoomBackground === item.id
+          : equippedItems.includes(item.id);
 
-      if (isEquipped) {
+      if (item.type !== "room" && isEquipped) {
         await unequipShopItem(item.id);
         toast(`Unequipped ${item.name}.`, "default");
-      } else {
+      } else if (!isEquipped) {
         await equipShopItem(item.id);
         toast(`Equipped ${item.name}.`, "success");
       }
@@ -115,24 +189,28 @@ export function ShopContent() {
     }
   };
 
-  const groupedItems = SHOP_LAYER_ORDER.map((layerId) => ({
+  const styleGroups = SHOP_LAYER_ORDER.map((layerId) => ({
     layerId,
     label: getLayerLabel(layerId),
     items: items.filter((item) => item.type === layerId),
   })).filter((group) => group.items.length > 0);
 
+  const roomItems = items.filter((item) => item.type === "room");
+
   return (
     <>
-      <div className="mb-4 flex items-center justify-between rounded-lg border bg-muted/40 px-4 py-3">
-        <span className="text-sm text-muted-foreground">Your balance</span>
+      <div className="mb-4 flex items-center justify-between border-2 border-border bg-muted/40 px-4 py-3 shadow-[var(--retro-shadow-sm)]">
+        <span className="text-[10px] uppercase tracking-wider text-muted-foreground">
+          Your balance
+        </span>
         <Badge variant="secondary">
           {coins === null ? "..." : `${coins} points`}
         </Badge>
       </div>
 
-      {error ? <p className="mb-4 text-sm text-red-500">{error}</p> : null}
+      {error ? <p className="mb-4 text-xs text-red-500">{error}</p> : null}
 
-      {!error && coins !== null && groupedItems.length === 0 ? (
+      {!error && coins !== null && items.length === 0 ? (
         <Card>
           <CardContent className="pt-6">
             <p className="text-sm text-muted-foreground">
@@ -144,70 +222,46 @@ export function ShopContent() {
       ) : null}
 
       <div className="grid gap-6">
-        {groupedItems.map((group) => (
+        {roomItems.length > 0 ? (
+          <section className="grid gap-3">
+            <h3 className="text-[10px] font-medium uppercase tracking-wider text-muted-foreground">
+              Room backgrounds
+            </h3>
+            <div className="grid gap-4 sm:grid-cols-2">
+              {roomItems.map((item) => (
+                <ShopItemCard
+                  key={item.id}
+                  item={item}
+                  owned={ownedItemIds.includes(item.id)}
+                  equipped={equippedRoomBackground === item.id}
+                  canAfford={coins !== null && coins >= item.price}
+                  isPending={pendingItemId === item.id}
+                  onPurchase={() => void handlePurchase(item.id)}
+                  onEquipToggle={() => void handleEquipToggle(item)}
+                />
+              ))}
+            </div>
+          </section>
+        ) : null}
+
+        {styleGroups.map((group) => (
           <section key={group.layerId} className="grid gap-3">
-            <h3 className="text-sm font-medium uppercase tracking-wider text-muted-foreground">
+            <h3 className="text-[10px] font-medium uppercase tracking-wider text-muted-foreground">
               {group.label}
             </h3>
             <div className="grid gap-4 sm:grid-cols-2">
-              {group.items.map((item) => {
-                const owned = ownedItemIds.includes(item.id);
-                const equipped = equippedItems.includes(item.id);
-                const canAfford = coins !== null && coins >= item.price;
-                const isPending = pendingItemId === item.id;
-
-                return (
-                  <Card key={item.id}>
-                    <CardHeader className="pb-3">
-                      <div className="flex items-start justify-between gap-3">
-                        <div className="flex items-center gap-3">
-                          <div className="flex size-14 items-center justify-center rounded-lg border bg-zinc-950/80 p-1.5">
-                            <TintedSpriteIcon
-                              src={item.image_path}
-                              color={DEFAULT_GRAY_COLOR.hsl}
-                              size={36}
-                            />
-                          </div>
-                          <div>
-                            <CardTitle className="text-base">{item.name}</CardTitle>
-                            <CardDescription>{item.id}</CardDescription>
-                          </div>
-                        </div>
-                        <Badge>{item.price} pts</Badge>
-                      </div>
-                    </CardHeader>
-                    <CardContent className="grid gap-2">
-                      {!owned ? (
-                        <Button
-                          className="w-full"
-                          variant="outline"
-                          disabled={coins === null || !canAfford || isPending}
-                          onClick={() => void handlePurchase(item.id)}
-                        >
-                          {isPending
-                            ? "Processing..."
-                            : canAfford
-                              ? "Buy"
-                              : "Not enough points"}
-                        </Button>
-                      ) : (
-                        <Button
-                          className="w-full"
-                          variant={equipped ? "default" : "outline"}
-                          disabled={isPending}
-                          onClick={() => void handleEquipToggle(item)}
-                        >
-                          {isPending
-                            ? "Updating..."
-                            : equipped
-                              ? "Equipped"
-                              : "Equip"}
-                        </Button>
-                      )}
-                    </CardContent>
-                  </Card>
-                );
-              })}
+              {group.items.map((item) => (
+                <ShopItemCard
+                  key={item.id}
+                  item={item}
+                  owned={ownedItemIds.includes(item.id)}
+                  equipped={equippedItems.includes(item.id)}
+                  canAfford={coins !== null && coins >= item.price}
+                  isPending={pendingItemId === item.id}
+                  onPurchase={() => void handlePurchase(item.id)}
+                  onEquipToggle={() => void handleEquipToggle(item)}
+                />
+              ))}
             </div>
           </section>
         ))}
diff --git a/components/ui/badge.tsx b/components/ui/badge.tsx
index f795980..5542588 100644
--- a/components/ui/badge.tsx
+++ b/components/ui/badge.tsx
@@ -4,7 +4,7 @@ import { cva, type VariantProps } from "class-variance-authority";
 import { cn } from "@/lib/utils";
 
 const badgeVariants = cva(
-  "inline-flex items-center rounded-md border px-2.5 py-0.5 text-xs font-semibold transition-colors focus:outline-none focus:ring-2 focus:ring-ring focus:ring-offset-2",
+  "inline-flex items-center rounded-none border-2 border-border px-2 py-0.5 text-[9px] font-semibold uppercase tracking-wider transition-colors focus:outline-none focus:ring-2 focus:ring-ring focus:ring-offset-2 shadow-[var(--retro-shadow-sm)]",
   {
     variants: {
       variant: {
diff --git a/components/ui/button.tsx b/components/ui/button.tsx
index d09a695..8504581 100644
--- a/components/ui/button.tsx
+++ b/components/ui/button.tsx
@@ -5,26 +5,26 @@ import { cva, type VariantProps } from "class-variance-authority";
 import { cn } from "@/lib/utils";
 
 const buttonVariants = cva(
-  "inline-flex items-center justify-center gap-2 whitespace-nowrap rounded-md text-sm font-medium transition-colors focus-visible:outline-none focus-visible:ring-1 focus-visible:ring-ring disabled:pointer-events-none disabled:opacity-50 [&_svg]:pointer-events-none [&_svg]:size-4 [&_svg]:shrink-0",
+  "inline-flex items-center justify-center gap-2 whitespace-nowrap border-2 border-border text-xs font-normal transition-[transform,box-shadow] focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring disabled:pointer-events-none disabled:opacity-50 [&_svg]:pointer-events-none [&_svg]:size-4 [&_svg]:shrink-0",
   {
     variants: {
       variant: {
         default:
-          "bg-primary text-primary-foreground shadow hover:bg-primary/90",
+          "bg-primary text-primary-foreground shadow-[var(--retro-shadow-sm)] hover:-translate-x-px hover:-translate-y-px hover:shadow-[3px_3px_0_0_hsl(280_45%_28%)] active:translate-x-0.5 active:translate-y-0.5 active:shadow-none",
         destructive:
-          "bg-destructive text-destructive-foreground shadow-sm hover:bg-destructive/90",
+          "bg-destructive text-destructive-foreground shadow-[var(--retro-shadow-sm)]",
         outline:
-          "border border-input bg-background shadow-sm hover:bg-accent hover:text-accent-foreground",
+          "border-border bg-background shadow-[var(--retro-shadow-sm)] hover:bg-muted hover:text-foreground",
         secondary:
-          "bg-secondary text-secondary-foreground shadow-sm hover:bg-secondary/80",
-        ghost: "hover:bg-accent hover:text-accent-foreground",
-        link: "text-primary underline-offset-4 hover:underline",
+          "bg-secondary text-secondary-foreground shadow-[var(--retro-shadow-sm)]",
+        ghost: "border-transparent shadow-none hover:bg-muted hover:text-foreground",
+        link: "border-transparent text-secondary underline-offset-4 shadow-none hover:underline",
       },
       size: {
-        default: "h-9 px-4 py-2",
-        sm: "h-8 rounded-md px-3 text-xs",
-        lg: "h-10 rounded-md px-8",
-        icon: "h-9 w-9",
+        default: "h-10 px-4 py-2",
+        sm: "h-8 px-3 text-[10px]",
+        lg: "h-11 px-8",
+        icon: "h-10 w-10",
       },
     },
     defaultVariants: {
diff --git a/components/ui/card.tsx b/components/ui/card.tsx
index 1cc0c12..b09c29c 100644
--- a/components/ui/card.tsx
+++ b/components/ui/card.tsx
@@ -9,7 +9,7 @@ const Card = React.forwardRef<
   <div
     ref={ref}
     className={cn(
-      "rounded-xl border bg-card text-card-foreground shadow",
+      "border-2 border-border bg-card text-card-foreground shadow-[var(--retro-shadow)]",
       className,
     )}
     {...props}
diff --git a/components/ui/input.tsx b/components/ui/input.tsx
index 7db5241..4543bbc 100644
--- a/components/ui/input.tsx
+++ b/components/ui/input.tsx
@@ -8,7 +8,7 @@ const Input = React.forwardRef<HTMLInputElement, React.ComponentProps<"input">>(
       <input
         type={type}
         className={cn(
-          "flex h-9 w-full rounded-md border border-input bg-transparent px-3 py-1 text-base shadow-sm transition-colors file:border-0 file:bg-transparent file:text-sm file:font-medium file:text-foreground placeholder:text-muted-foreground focus-visible:outline-none focus-visible:ring-1 focus-visible:ring-ring disabled:cursor-not-allowed disabled:opacity-50 md:text-sm",
+          "flex h-9 w-full rounded-none border-2 border-input bg-muted/30 px-3 py-1 text-xs shadow-[var(--retro-shadow-sm)] transition-colors file:border-0 file:bg-transparent file:text-sm file:font-medium file:text-foreground placeholder:text-muted-foreground focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring disabled:cursor-not-allowed disabled:opacity-50",
           className,
         )}
         ref={ref}
diff --git a/components/ui/toast-provider.tsx b/components/ui/toast-provider.tsx
index ba69e0a..c88e297 100644
--- a/components/ui/toast-provider.tsx
+++ b/components/ui/toast-provider.tsx
@@ -45,13 +45,14 @@ export function ToastProvider({ children }: { children: ReactNode }) {
       {children}
       <div
         aria-live="polite"
-        className="pointer-events-none fixed bottom-24 right-4 z-50 flex w-[min(100vw-2rem,20rem)] flex-col gap-2"
+        className="pointer-events-none fixed right-4 z-50 flex w-[min(100vw-2rem,20rem)] flex-col gap-2"
+        style={{ bottom: "calc(var(--bottom-nav-height) + 0.75rem)" }}
       >
         {messages.map((message) => (
           <div
             key={message.id}
             className={cn(
-              "rounded-lg border px-4 py-3 text-sm shadow-lg backdrop-blur-sm",
+              "rounded-lg border px-4 py-3 text-xs shadow-lg backdrop-blur-sm",
               message.variant === "success" &&
                 "border-emerald-500/30 bg-emerald-500/15 text-emerald-100",
               message.variant === "error" &&
diff --git a/lib/avatar-customization-storage.ts b/lib/avatar-customization-storage.ts
index 86ab86e..d7b4320 100644
--- a/lib/avatar-customization-storage.ts
+++ b/lib/avatar-customization-storage.ts
@@ -16,6 +16,11 @@ import {
   NONE_VARIANT_ID,
 } from "@/lib/character/presets";
 import type { LayerColorState, LayerVariantState } from "@/lib/character/types";
+import {
+  DEFAULT_ROOM_BACKGROUND,
+  normalizeRoomBackgroundId,
+  type RoomBackgroundId,
+} from "@/lib/room-backgrounds";
 import { createClient } from "@/lib/supabase/client";
 
 export type AvatarCustomization = {
@@ -24,6 +29,7 @@ export type AvatarCustomization = {
   variants: LayerVariantState;
   customized: boolean;
   equippedItems: string[];
+  roomBackground: RoomBackgroundId;
 };
 
 type AvatarStateRow = {
@@ -41,6 +47,7 @@ type AvatarStateRow = {
   head_color: string | null;
   avatar_customized: boolean | null;
   equipped_items: string[] | null;
+  room_background: string | null;
 };
 
 export const DEFAULT_AVATAR_NAME = "Pixel Me";
@@ -53,11 +60,19 @@ export const defaultAvatarCustomization: AvatarCustomization = {
   variants: buildDefaultVariants(),
   customized: false,
   equippedItems: [],
+  roomBackground: DEFAULT_ROOM_BACKGROUND,
 };
 
 const avatarSelectFields =
+  "avatar_name, skin_color, pants_style, pants_color, shoe_style, shoe_color, torso_style, torso_color, eye_type, eye_color, head_style, head_color, avatar_customized, equipped_items, room_background";
+
+const avatarSelectFieldsLegacy =
   "avatar_name, skin_color, pants_style, pants_color, shoe_style, shoe_color, torso_style, torso_color, eye_type, eye_color, head_style, head_color, avatar_customized, equipped_items";
 
+function isMissingRoomBackgroundColumn(message: string) {
+  return /room_background/i.test(message);
+}
+
 function colorFromHex(hex: string | null | undefined, fallback: HSL): HSL {
   if (!hex?.trim() || !HEX_COLOR_PATTERN.test(hex)) {
     return { ...fallback };
@@ -109,6 +124,7 @@ export function mapRowToAvatarCustomization(
     },
     customized: row.avatar_customized === true,
     equippedItems: row.equipped_items ?? [],
+    roomBackground: normalizeRoomBackgroundId(row.room_background),
   };
 }
 
@@ -132,6 +148,7 @@ export function mapAvatarCustomizationToRow(customization: AvatarCustomization)
     eye_color: normalizeHexColor(colors.eyes, defaults.eyes),
     head_style: normalizedVariants.head,
     head_color: normalizeHexColor(colors.head, defaults.head),
+    room_background: normalizeRoomBackgroundId(customization.roomBackground),
     avatar_customized: true,
     updated_at: new Date().toISOString(),
   };
@@ -159,13 +176,28 @@ export async function getAvatarCustomization(): Promise<AvatarCustomization> {
   }
 
   const supabase = createClient();
-  const { data, error } = await supabase
+  let { data, error } = await supabase
     .from("avatar_state")
     .select(avatarSelectFields)
     .eq("user_id", userId)
     .maybeSingle();
 
-  if (error) {
+  if (error && isMissingRoomBackgroundColumn(error.message)) {
+    const legacy = await supabase
+      .from("avatar_state")
+      .select(avatarSelectFieldsLegacy)
+      .eq("user_id", userId)
+      .maybeSingle();
+
+    if (legacy.error) {
+      throw new Error(legacy.error.message);
+    }
+
+    data = legacy.data
+      ? ({ ...legacy.data, room_background: null } as AvatarStateRow)
+      : null;
+    error = null;
+  } else if (error) {
     throw new Error(error.message);
   }
 
@@ -209,11 +241,22 @@ export async function saveAvatarCustomization(
   const supabase = createClient();
   const payload = mapAvatarCustomizationToRow(customization);
 
-  const { error } = await supabase
+  let { error } = await supabase
     .from("avatar_state")
     .update(payload)
     .eq("user_id", userId);
 
+  if (error && isMissingRoomBackgroundColumn(error.message)) {
+    const { room_background, ...legacyPayload } = payload;
+    void room_background;
+    const retry = await supabase
+      .from("avatar_state")
+      .update(legacyPayload)
+      .eq("user_id", userId);
+
+    error = retry.error;
+  }
+
   if (error) {
     throw new Error(error.message);
   }
diff --git a/lib/character/presets.ts b/lib/character/presets.ts
index 0889070..bae21c3 100644
--- a/lib/character/presets.ts
+++ b/lib/character/presets.ts
@@ -152,6 +152,16 @@ export const CHARACTER_LAYERS: CharacterLayer[] = [
   },
 ];
 
+export type CharacterCreatorTabId = CharacterLayerId | "room";
+
+export const CHARACTER_CUSTOMIZATION_TABS: {
+  id: CharacterCreatorTabId;
+  label: string;
+}[] = [
+  ...CHARACTER_LAYERS.map((layer) => ({ id: layer.id, label: layer.label })),
+  { id: "room", label: "Room" },
+];
+
 export const LAYER_DEFAULT_COLORS: Record<CharacterLayerId, HSL> = {
   skin: DEFAULT_GRAY_COLOR.hsl,
   pants: DEFAULT_GRAY_COLOR.hsl,
diff --git a/lib/room-backgrounds.ts b/lib/room-backgrounds.ts
new file mode 100644
index 0000000..e3328dd
--- /dev/null
+++ b/lib/room-backgrounds.ts
@@ -0,0 +1,245 @@
+export type RoomBackgroundId =
+
+  | "room-day"
+
+  | "room-dusk"
+
+  | "room-night"
+
+  | "room-forest";
+
+
+
+export type RoomBackgroundLayer = {
+
+  id: string;
+
+  className: string;
+
+  speed: number;
+
+};
+
+
+
+export type RoomBackground = {
+
+  id: RoomBackgroundId;
+
+  name: string;
+
+  free: boolean;
+
+  previewClassName: string;
+
+  layers: RoomBackgroundLayer[];
+
+};
+
+
+
+export const DEFAULT_ROOM_BACKGROUND: RoomBackgroundId = "room-day";
+
+
+
+export const ROOM_BACKGROUNDS: RoomBackground[] = [
+
+  {
+
+    id: "room-day",
+
+    name: "Sunny Field",
+
+    free: true,
+
+    previewClassName: "bg-gradient-to-b from-sky-400 via-sky-300 to-lime-400",
+
+    layers: [
+
+      { id: "sky", className: "bg-gradient-to-b from-sky-500 via-sky-300 to-sky-200", speed: 0.15 },
+
+      { id: "clouds", className: "bg-[radial-gradient(circle_at_20%_30%,rgba(255,255,255,0.85)_0%,transparent_35%),radial-gradient(circle_at_70%_20%,rgba(255,255,255,0.7)_0%,transparent_30%)]", speed: 0.35 },
+
+      { id: "hills", className: "bg-[linear-gradient(to_top,#3d8b37_0%,#3d8b37_40%,transparent_40%),radial-gradient(ellipse_120%_80%_at_50%_100%,#2f6f2c_0%,transparent_70%)]", speed: 0.55 },
+
+      { id: "grass", className: "bg-[repeating-linear-gradient(90deg,rgba(0,0,0,0.06)_0_2px,transparent_2px_6px)] opacity-40", speed: 0.75 },
+
+    ],
+
+  },
+
+  {
+
+    id: "room-dusk",
+
+    name: "Golden Dusk",
+
+    free: true,
+
+    previewClassName: "bg-gradient-to-b from-orange-400 via-pink-400 to-indigo-700",
+
+    layers: [
+
+      { id: "sky", className: "bg-gradient-to-b from-orange-500 via-rose-400 to-indigo-800", speed: 0.12 },
+
+      { id: "sun", className: "bg-[radial-gradient(circle_at_50%_85%,rgba(255,220,120,0.95)_0%,rgba(255,160,80,0.35)_18%,transparent_45%)]", speed: 0.25 },
+
+      { id: "hills", className: "bg-[radial-gradient(ellipse_130%_70%_at_50%_100%,#1f2937_0%,transparent_72%)]", speed: 0.5 },
+
+      { id: "stars", className: "bg-[radial-gradient(circle,#fff_1px,transparent_1px)] bg-[length:18px_18px] opacity-20", speed: 0.65 },
+
+    ],
+
+  },
+
+  {
+
+    id: "room-night",
+
+    name: "Starlit Night",
+
+    free: false,
+
+    previewClassName: "bg-gradient-to-b from-indigo-950 via-violet-900 to-slate-900",
+
+    layers: [
+
+      { id: "sky", className: "bg-gradient-to-b from-indigo-950 via-violet-900 to-slate-900", speed: 0.1 },
+
+      { id: "stars", className: "bg-[radial-gradient(circle,#fff_1.5px,transparent_1.5px)] bg-[length:22px_22px] opacity-80", speed: 0.3 },
+
+      { id: "moon", className: "bg-[radial-gradient(circle_at_78%_18%,rgba(255,255,220,0.95)_0%,rgba(255,255,220,0.15)_8%,transparent_20%)]", speed: 0.2 },
+
+      { id: "ground", className: "bg-[linear-gradient(to_top,#111827_0%,#111827_35%,transparent_35%)]", speed: 0.6 },
+
+    ],
+
+  },
+
+  {
+
+    id: "room-forest",
+
+    name: "Mystic Forest",
+
+    free: false,
+
+    previewClassName: "bg-gradient-to-b from-emerald-900 via-green-900 to-lime-950",
+
+    layers: [
+
+      { id: "sky", className: "bg-gradient-to-b from-emerald-950 via-green-900 to-lime-950", speed: 0.14 },
+
+      { id: "mist", className: "bg-[radial-gradient(circle_at_30%_60%,rgba(180,255,200,0.25)_0%,transparent_45%),radial-gradient(circle_at_70%_40%,rgba(180,255,200,0.18)_0%,transparent_40%)]", speed: 0.4 },
+
+      { id: "trees", className: "bg-[repeating-linear-gradient(90deg,rgba(0,0,0,0.35)_0_14px,transparent_14px_28px)] opacity-50", speed: 0.55 },
+
+      { id: "floor", className: "bg-[linear-gradient(to_top,#14532d_0%,#14532d_30%,transparent_30%)]", speed: 0.7 },
+
+    ],
+
+  },
+
+];
+
+
+
+const ROOM_MAP = new Map(ROOM_BACKGROUNDS.map((room) => [room.id, room]));
+
+
+
+const LEGACY_ROOM_IDS = new Set(["room-space", "room-neon"]);
+
+
+
+export function getRoomBackground(id: string | null | undefined): RoomBackground {
+
+  if (id && LEGACY_ROOM_IDS.has(id)) {
+
+    return ROOM_MAP.get(DEFAULT_ROOM_BACKGROUND)!;
+
+  }
+
+
+
+  return ROOM_MAP.get((id as RoomBackgroundId) ?? DEFAULT_ROOM_BACKGROUND) ?? ROOM_MAP.get(DEFAULT_ROOM_BACKGROUND)!;
+
+}
+
+
+
+export function isValidRoomBackgroundId(id: string): id is RoomBackgroundId {
+
+  return ROOM_MAP.has(id as RoomBackgroundId);
+
+}
+
+
+
+export function normalizeRoomBackgroundId(id: string | null | undefined): RoomBackgroundId {
+
+  if (id && LEGACY_ROOM_IDS.has(id)) {
+
+    return DEFAULT_ROOM_BACKGROUND;
+
+  }
+
+
+
+  if (id && isValidRoomBackgroundId(id)) {
+
+    return id;
+
+  }
+
+
+
+  return DEFAULT_ROOM_BACKGROUND;
+
+}
+
+
+
+export function isRoomBackgroundUnlocked(
+
+  roomId: RoomBackgroundId,
+
+  ownedItemIds: readonly string[],
+
+): boolean {
+
+  const room = getRoomBackground(roomId);
+
+  if (room.free) {
+
+    return true;
+
+  }
+
+
+
+  return ownedItemIds.includes(roomId);
+
+}
+
+
+
+export function getShopRoomBackgrounds() {
+
+  return ROOM_BACKGROUNDS.filter((room) => !room.free).map((room) => ({
+
+    id: room.id,
+
+    name: room.name,
+
+    type: "room" as const,
+
+    price: room.id === "room-night" ? 40 : 50,
+
+    image_path: "",
+
+  }));
+
+}
+
+
diff --git a/lib/routes.ts b/lib/routes.ts
index f0575e1..114f513 100644
--- a/lib/routes.ts
+++ b/lib/routes.ts
@@ -6,6 +6,7 @@ export const routes = {
   onboardingQuiz: "/onboarding/quiz",
   onboardingCustomize: "/onboarding/customize",
   avatar: "/avatar",
+  customize: "/customize",
   habits: "/habits",
   dailyQuiz: "/daily/quiz",
   shop: "/shop",
@@ -16,6 +17,7 @@ export type AppRoute = (typeof routes)[keyof typeof routes];
 
 export const appNavItems = [
   { href: routes.avatar, label: "Pet", shortLabel: "Pet" },
+  { href: routes.customize, label: "Customize", shortLabel: "Style" },
   { href: routes.habits, label: "Habits", shortLabel: "Habits" },
   { href: routes.dailyQuiz, label: "Daily Quiz", shortLabel: "Quiz" },
   { href: routes.shop, label: "Shop", shortLabel: "Shop" },
diff --git a/lib/shop-catalog.ts b/lib/shop-catalog.ts
index e0b6b67..5216735 100644
--- a/lib/shop-catalog.ts
+++ b/lib/shop-catalog.ts
@@ -1,13 +1,16 @@
 import { isShopOnlyStyleVariant } from "@/lib/character/variant-access";
 import type { CharacterLayerId } from "@/lib/character/presets";
 import { CHARACTER_LAYERS, NONE_VARIANT_ID } from "@/lib/character/presets";
+import { getShopRoomBackgrounds } from "@/lib/room-backgrounds";
 
 export type ShopLayerId = Exclude<CharacterLayerId, "skin">;
 
+export type ShopItemType = ShopLayerId | "room";
+
 export type ShopItemRecord = {
   id: string;
   name: string;
-  type: ShopLayerId;
+  type: ShopItemType;
   price: number;
   image_path: string;
 };
@@ -52,7 +55,7 @@ export function parseShopStyleItem(
 }
 
 export function getShopCatalogFromPresets(): ShopItemRecord[] {
-  return CHARACTER_LAYERS.flatMap((layer) => {
+  const styleItems = CHARACTER_LAYERS.flatMap((layer) => {
     if (layer.id === "skin") {
       return [];
     }
@@ -70,6 +73,8 @@ export function getShopCatalogFromPresets(): ShopItemRecord[] {
         image_path: variant.src,
       }));
   });
+
+  return [...styleItems, ...getShopRoomBackgrounds()];
 }
 
 function getDefaultPriceForLayer(layerId: ShopLayerId, variantId: string) {
diff --git a/lib/shop-storage.ts b/lib/shop-storage.ts
index 67ea7e1..de6f564 100644
--- a/lib/shop-storage.ts
+++ b/lib/shop-storage.ts
@@ -128,6 +128,31 @@ export async function purchaseShopItem(itemId: string) {
   };
 }
 
+export async function getEquippedRoomBackground(): Promise<string> {
+  const userId = await getAuthenticatedUserId();
+
+  if (!userId) {
+    return "room-day";
+  }
+
+  const supabase = createClient();
+  const { data, error } = await supabase
+    .from("avatar_state")
+    .select("room_background")
+    .eq("user_id", userId)
+    .maybeSingle();
+
+  if (error) {
+    if (/room_background/i.test(error.message)) {
+      return "room-day";
+    }
+
+    throw new Error(error.message);
+  }
+
+  return (data?.room_background as string | null) ?? "room-day";
+}
+
 export async function equipShopItem(itemId: string) {
   const userId = await getAuthenticatedUserId();
 
@@ -152,6 +177,28 @@ export async function equipShopItem(itemId: string) {
     throw new Error("Could not find that shop item.");
   }
 
+  if (item.type === "room") {
+    const { error } = await supabase
+      .from("avatar_state")
+      .update({
+        room_background: itemId,
+        updated_at: new Date().toISOString(),
+      })
+      .eq("user_id", userId);
+
+    if (error) {
+      if (/room_background/i.test(error.message)) {
+        notifyHabitPetDataUpdated();
+        return [itemId];
+      }
+
+      throw new Error(error.message);
+    }
+
+    notifyHabitPetDataUpdated();
+    return [itemId];
+  }
+
   const current = await getEquippedItems();
   const nextStyle = parseVariantId(itemId);
 
@@ -216,12 +263,14 @@ export async function unequipShopItem(itemId: string) {
 }
 
 export async function getShopInventory() {
-  const [items, ownedItemIds, equippedItems, coins] = await Promise.all([
-    getShopItems(),
-    getOwnedItemIds(),
-    getEquippedItems(),
-    getCoins(),
-  ]);
+  const [items, ownedItemIds, equippedItems, equippedRoomBackground, coins] =
+    await Promise.all([
+      getShopItems(),
+      getOwnedItemIds(),
+      getEquippedItems(),
+      getEquippedRoomBackground(),
+      getCoins(),
+    ]);
 
-  return { items, ownedItemIds, equippedItems, coins };
+  return { items, ownedItemIds, equippedItems, equippedRoomBackground, coins };
 }
diff --git a/supabase/migrations/20260524200000_room_background.sql b/supabase/migrations/20260524200000_room_background.sql
new file mode 100644
index 0000000..bcc132f
--- /dev/null
+++ b/supabase/migrations/20260524200000_room_background.sql
@@ -0,0 +1,18 @@
+alter table public.avatar_state
+  add column if not exists room_background text not null default 'room-day';
+
+alter table public.avatar_state
+  drop constraint if exists avatar_state_room_background_check;
+
+alter table public.avatar_state
+  add constraint avatar_state_room_background_check
+  check (
+    room_background in (
+      'room-day',
+      'room-dusk',
+      'room-night',
+      'room-forest',
+      'room-space',
+      'room-neon'
+    )
+  );
diff --git a/supabase/migrations/20260524210000_room_background_four_only.sql b/supabase/migrations/20260524210000_room_background_four_only.sql
new file mode 100644
index 0000000..51d11e6
--- /dev/null
+++ b/supabase/migrations/20260524210000_room_background_four_only.sql
@@ -0,0 +1,23 @@
+alter table public.avatar_state
+  drop constraint if exists avatar_state_room_background_check;
+
+alter table public.avatar_state
+  add constraint avatar_state_room_background_check
+  check (
+    room_background in (
+      'room-day',
+      'room-dusk',
+      'room-night',
+      'room-forest'
+    )
+  );
+
+update public.avatar_state
+set room_background = 'room-day'
+where room_background in ('room-space', 'room-neon');
+
+delete from public.user_items
+where item_id in ('room-space', 'room-neon');
+
+delete from public.shop_items
+where id in ('room-space', 'room-neon');
diff --git a/supabase/seed.sql b/supabase/seed.sql
index 8abfbe3..2fd7e6a 100644
--- a/supabase/seed.sql
+++ b/supabase/seed.sql
@@ -30,7 +30,9 @@ values
   ('head-4', 'Head 4', 'head', 45, '/character/head/head-4.png'),
   ('head-5', 'Head 5', 'head', 50, '/character/head/head-5.png'),
   ('head-6', 'Head 6', 'head', 55, '/character/head/head-6.png'),
-  ('head-7', 'Head 7', 'head', 60, '/character/head/head-7.png')
+  ('head-7', 'Head 7', 'head', 60, '/character/head/head-7.png'),
+  ('room-night', 'Starlit Night', 'room', 40, ''),
+  ('room-forest', 'Mystic Forest', 'room', 50, '')
 on conflict (id) do update
 set
   name = excluded.name,
diff --git a/tailwind.config.ts b/tailwind.config.ts
index 61a4382..02da2f1 100644
--- a/tailwind.config.ts
+++ b/tailwind.config.ts
@@ -58,6 +58,13 @@ export default {
         md: "calc(var(--radius) - 2px)",
         sm: "calc(var(--radius) - 4px)",
       },
+      fontFamily: {
+        sans: ["var(--font-pixel)", "monospace"],
+        pixel: ["var(--font-pixel)", "monospace"],
+      },
+      spacing: {
+        nav: "var(--bottom-nav-height)",
+      },
     },
   },
   plugins: [tailwindcssAnimate],