diff --git a/components/UploadScreen.tsx b/components/UploadScreen.tsx
index 79ac846..03a5f19 100644
--- a/components/UploadScreen.tsx
+++ b/components/UploadScreen.tsx
@@ -719,21 +719,24 @@ export function UploadScreen() {
           </div>
         </section>
 
-        <div className="sticky bottom-[calc(env(safe-area-inset-bottom,0px)+4.6rem)] z-20 -mx-4 border-t border-[var(--hairline)] bg-white/65 px-4 py-3 backdrop-blur-2xl dark:bg-[color-mix(in_oklab,var(--surface)_70%,transparent)] sm:bottom-0 sm:mx-0 sm:rounded-[1.35rem] sm:border sm:px-5">
-          <div className="flex flex-wrap items-center justify-between gap-3">
-            <p className="text-[12.5px] text-[var(--text-subtle)]">
-              {documentsBusy
-                ? t("upload.readingDocs")
-                : hasContent
-                  ? t("upload.ready")
-                  : t("upload.addToStart")}
-            </p>
-            <div className="flex flex-wrap gap-2">
-              <Button size="lg" onClick={() => void generate()} disabled={!canGenerate}>
-                <SnowflakeIcon className="size-5" /> {t("upload.freezeDeck")}
-              </Button>
-            </div>
-          </div>
+        <div className="sticky bottom-[calc(env(safe-area-inset-bottom,0px)+4.6rem)] z-20 -mx-4 space-y-2 border-t border-[var(--hairline)] bg-white/65 px-4 py-3 backdrop-blur-2xl dark:bg-[color-mix(in_oklab,var(--surface)_70%,transparent)] sm:bottom-0 sm:mx-0 sm:rounded-[1.35rem] sm:border sm:px-5">
+          {/* Same CTA shape as the homework flow: a full-width button with the
+              helper line centred underneath. */}
+          <Button
+            size="lg"
+            className="touch-target w-full"
+            onClick={() => void generate()}
+            disabled={!canGenerate}
+          >
+            <SnowflakeIcon className="size-5" /> {t("upload.freezeDeck")}
+          </Button>
+          <p className="text-center text-[12px] text-[var(--text-subtle)]">
+            {documentsBusy
+              ? t("upload.readingDocs")
+              : hasContent
+                ? t("upload.ready")
+                : t("upload.addToStart")}
+          </p>
         </div>
       </div>
     </div>
diff --git a/public/sw.js b/public/sw.js
index 7eb3601..1c64961 100644
--- a/public/sw.js
+++ b/public/sw.js
@@ -9,7 +9,7 @@
  *
  * Bumping CACHE_VERSION is how a new deploy invalidates old assets.
  */
-const CACHE_VERSION = "freezmo-v11";
+const CACHE_VERSION = "freezmo-v12";
 const SHELL_CACHE = `${CACHE_VERSION}-shell`;
 const ASSET_CACHE = `${CACHE_VERSION}-assets`;