Update app.py

app.py

@@ -1,4 +1,3 @@
-
 import os
 import gradio as gr
 from cerebras.cloud.sdk import Cerebras
@@ -216,7 +215,13 @@ def generate_video(
     for line in linelevel_subs:
         # ─ Static full‑line text
         txt = TextClip(
-            line["word"])
+            line["word"],
+            font=font,
+            fontsize=fs,
+            color="white",
+            stroke_color="black",
+            stroke_width=1
+        )
         x0 = (fw - txt.w) / 2
         static = (
             txt
@@ -230,7 +235,13 @@ def generate_video(
         cursor = x0
         for wd in line["textcontents"]:
             wc = TextClip(
-                wd["word"])
+                wd["word"],
+                font=font,
+                fontsize=fs,
+                color="yellow",
+                stroke_color="black",
+                stroke_width=1
+            )
             hl = (
                 wc
                 .set_start(wd["start"])
@@ -240,7 +251,7 @@ def generate_video(
             all_clips.append(hl)
 
             # advance cursor by measuring a space after the word
-            dummy = TextClip(wd["word"] + " ")
+            dummy = TextClip(wd["word"] + " ", font=font, fontsize=fs)
             cursor += dummy.w
 
     # 8️⃣ Composite all clips and export