diff --git a/tools/sprite-generation/gui/src/App.tsx b/tools/sprite-generation/gui/src/App.tsx
index 02d1a529..df0b402d 100644
--- a/tools/sprite-generation/gui/src/App.tsx
+++ b/tools/sprite-generation/gui/src/App.tsx
@@ -17,6 +17,9 @@ function DashboardOrTheater(): ReactElement {
 }
 
 export function App(): ReactElement {
+  const [params] = useSearchParams()
+  const isTheater = params.get('spriteTheater') === 'true'
+
   return (
     <div
       style={{
@@ -27,38 +30,40 @@ export function App(): ReactElement {
       }}
     >
       <SpriteStream />
-      <nav
-        style={{
-          display: 'flex',
-          alignItems: 'center',
-          justifyContent: 'space-between',
-          padding: '0 24px',
-          height: 48,
-          background: colors.surface,
-          borderBottom: `1px solid ${colors.accent}`,
-        }}
-      >
-        <Link
-          to="/"
+      {!isTheater && (
+        <nav
           style={{
-            color: colors.highlight,
-            textDecoration: 'none',
-            fontSize: 15,
-            fontWeight: 700,
-            letterSpacing: '0.3px',
+            display: 'flex',
+            alignItems: 'center',
+            justifyContent: 'space-between',
+            padding: '0 24px',
+            height: 48,
+            background: colors.surface,
+            borderBottom: `1px solid ${colors.accent}`,
           }}
         >
-          Sprite Review
-        </Link>
-        <div style={{ display: 'flex', gap: 16 }}>
-          <Link to="/?spriteTheater=true" style={{ color: colors.muted, textDecoration: 'none', fontSize: 13 }}>
-            Theater
+          <Link
+            to="/"
+            style={{
+              color: colors.highlight,
+              textDecoration: 'none',
+              fontSize: 15,
+              fontWeight: 700,
+              letterSpacing: '0.3px',
+            }}
+          >
+            Sprite Review
           </Link>
-          <Link to="/review" style={{ color: colors.muted, textDecoration: 'none', fontSize: 13 }}>
-            Review
-          </Link>
-        </div>
-      </nav>
+          <div style={{ display: 'flex', gap: 16 }}>
+            <Link to="/?spriteTheater=true" style={{ color: colors.muted, textDecoration: 'none', fontSize: 13 }}>
+              Theater
+            </Link>
+            <Link to="/review" style={{ color: colors.muted, textDecoration: 'none', fontSize: 13 }}>
+              Review
+            </Link>
+          </div>
+        </nav>
+      )}
       <Routes>
         <Route path="/" element={<DashboardOrTheater />} />
         <Route path="/theater" element={<SpriteTheaterPage />} />
diff --git a/tools/sprite-generation/gui/src/SpriteStream.tsx b/tools/sprite-generation/gui/src/SpriteStream.tsx
index d0999a6b..37ea49f8 100644
--- a/tools/sprite-generation/gui/src/SpriteStream.tsx
+++ b/tools/sprite-generation/gui/src/SpriteStream.tsx
@@ -7,7 +7,6 @@ import { colors } from './pages/theme'
 const MAX_SPRITES = 60
 const STREAM_HEIGHT = 110
 const SPRITE_SIZE = 80
-const THEATER_SPRITE_SIZE = 120
 const CARD_GAP = 16
 const CARD_TOTAL = SPRITE_SIZE + CARD_GAP
 const SSE_RETRY_DELAYS = [5000, 10000, 20000, 30000]
@@ -309,110 +308,6 @@ function ControlButton({
   )
 }
 
-function TheaterMode({
-  sprites,
-  newIds,
-  scoredIds,
-  onNavigate,
-  onClose,
-}: {
-  sprites: RecentVariant[]
-  newIds: Set<number>
-  scoredIds: Set<number>
-  onNavigate: (id: string) => void
-  onClose: () => void
-}): ReactNode {
-  useEffect((): (() => void) => {
-    const handler = (e: KeyboardEvent): void => {
-      if (e.key === 'Escape') onClose()
-    }
-    window.addEventListener('keydown', handler)
-    return (): void => window.removeEventListener('keydown', handler)
-  }, [onClose])
-
-  return (
-    <div
-      style={{
-        position: 'fixed',
-        inset: 0,
-        zIndex: 900,
-        background: colors.bg + 'f8',
-        backdropFilter: 'blur(8px)',
-        display: 'flex',
-        flexDirection: 'column',
-        overflow: 'hidden',
-      }}
-    >
-      <div
-        style={{
-          display: 'flex',
-          alignItems: 'center',
-          justifyContent: 'space-between',
-          padding: '12px 24px',
-          borderBottom: `1px solid ${colors.accent}44`,
-          flexShrink: 0,
-        }}
-      >
-        <span style={{ color: colors.text, fontSize: 14, fontWeight: 600 }}>
-          Sprite Theater
-          <span style={{ color: colors.muted, fontWeight: 400, marginLeft: 8, fontSize: 12 }}>
-            {sprites.length} sprites
-          </span>
-        </span>
-        <button
-          onClick={onClose}
-          style={{
-            background: 'none',
-            border: `1px solid ${colors.accent}`,
-            color: colors.muted,
-            cursor: 'pointer',
-            fontSize: 12,
-            padding: '4px 14px',
-            borderRadius: 6,
-            fontWeight: 600,
-          }}
-          onMouseEnter={(e): void => {
-            e.currentTarget.style.color = colors.text
-            e.currentTarget.style.borderColor = colors.muted
-          }}
-          onMouseLeave={(e): void => {
-            e.currentTarget.style.color = colors.muted
-            e.currentTarget.style.borderColor = colors.accent
-          }}
-        >
-          ESC to close
-        </button>
-      </div>
-
-      <div style={{ flex: 1, overflow: 'auto', padding: '24px 32px' }}>
-        <div
-          style={{
-            display: 'flex',
-            flexWrap: 'wrap',
-            gap: 16,
-            justifyContent: 'flex-start',
-            alignContent: 'flex-start',
-          }}
-        >
-          {sprites.map((variant, i) => (
-            <div
-              key={variant.variant_id}
-              style={{ animation: `theaterFadeIn 0.4s ease-out ${i * 0.03}s both` }}
-            >
-              <SpriteCard
-                variant={variant}
-                isNew={newIds.has(variant.variant_id)}
-                justScored={scoredIds.has(variant.variant_id)}
-                onClick={(): void => onNavigate(variant.sprite_id)}
-                size={THEATER_SPRITE_SIZE}
-              />
-            </div>
-          ))}
-        </div>
-      </div>
-    </div>
-  )
-}
 
 export function SpriteStream(): ReactNode {
   const navigate = useNavigate()
@@ -642,22 +537,10 @@ export function SpriteStream(): ReactNode {
     }
   `
 
+  // When theater mode is active, SpriteTheaterPage handles the full view.
+  // SpriteStream hides itself to avoid rendering on top.
   if (theater) {
-    return (
-      <>
-        <style>{keyframeStyles}</style>
-        <TheaterMode
-          sprites={[...sprites].reverse()}
-          newIds={newIds}
-          scoredIds={scoredIds}
-          onNavigate={(id): void => {
-            toggleTheater(false)
-            navigate(`/sprite/${id}`)
-          }}
-          onClose={(): void => toggleTheater(false)}
-        />
-      </>
-    )
+    return null
   }
 
   // Sprites are newest-first. Reverse so oldest is left, newest is right.
diff --git a/tools/sprite-generation/gui/src/api.ts b/tools/sprite-generation/gui/src/api.ts
index 3a5bf5f4..c487d340 100644
--- a/tools/sprite-generation/gui/src/api.ts
+++ b/tools/sprite-generation/gui/src/api.ts
@@ -110,6 +110,10 @@ export async function skipSprite(spriteId: string): Promise<void> {
   return requestVoid(`${API_BASE}/sprites/${spriteId}/skip`, { method: 'POST' })
 }
 
+export async function rejectVariant(variantId: number): Promise<void> {
+  return requestVoid(`${API_BASE}/variants/${variantId}/reject`, { method: 'POST' })
+}
+
 export async function regenerateSprite(spriteId: string, prompt?: string, dimensionId?: number): Promise<void> {
   const body: Record<string, unknown> = {}
   if (prompt !== undefined) body.prompt = prompt
diff --git a/tools/sprite-generation/gui/src/global.css b/tools/sprite-generation/gui/src/global.css
new file mode 100644
index 00000000..ec0e8c05
--- /dev/null
+++ b/tools/sprite-generation/gui/src/global.css
@@ -0,0 +1,5 @@
+html, body {
+  margin: 0;
+  padding: 0;
+  background: #0a0a14;
+}
diff --git a/tools/sprite-generation/gui/src/main.tsx b/tools/sprite-generation/gui/src/main.tsx
index 59d7b2a3..5ebccd1b 100644
--- a/tools/sprite-generation/gui/src/main.tsx
+++ b/tools/sprite-generation/gui/src/main.tsx
@@ -1,3 +1,4 @@
+import './global.css'
 import { StrictMode } from 'react'
 import { createRoot } from 'react-dom/client'
 import { BrowserRouter } from 'react-router-dom'