feat: Ultrafast preset for all modules, Text Story margin fix, Quiz Explain box improvements

modules/fact_image/services/fact_creator.py

@@ -300,7 +300,7 @@ class FactCreator:
             fps=self.FPS,
             codec='libx264',
             audio=False,  # No audio for fact videos
-            preset='medium',
+            preset='ultrafast',  # Fast export (3-5x faster)
             ffmpeg_params=[
                 '-pix_fmt', 'yuv420p',
                 '-movflags', '+faststart',

modules/quiz_reel/services/quiz_composer.py

@@ -208,7 +208,7 @@ class QuizComposer:
                 fps=self.FPS,
                 codec="libx264",
                 audio_codec="aac",
-                preset="medium",
+                preset="ultrafast",  # Fast export (3-5x faster)
                 threads=4,
                 logger=None
             )

modules/quiz_reel/services/quiz_frame.py

@@ -622,7 +622,7 @@ class QuizFrameGenerator:
             box_x1 = (self.WIDTH - box_width) // 2
             box_x2 = box_x1 + box_width
             box_y1 = heading_y - 20  # Above heading
-            box_y2 = explain_text_y + 30 + explain_height + box_padding_y + 20  # Below explain text
+            box_y2 = explain_text_y + 30 + explain_height + box_padding_y + 70  # +50px more at bottom
             
             # Draw white rounded rectangle background
             self._draw_rounded_rect(draw, (box_x1, box_y1, box_x2, box_y2), 
@@ -637,6 +637,15 @@ class QuizFrameGenerator:
             text_x = (self.WIDTH - explain_width) // 2
             draw.multiline_text((text_x, explain_text_y + 30), wrapped_explain, 
                                fill=explain_text_color, font=explain_font, align="center")
+            
+            # Draw colored underline below explain text
+            underline_y = explain_text_y + 30 + explain_height + 15
+            underline_width = min(explain_width + 40, int(self.WIDTH * 0.7))
+            underline_x1 = (self.WIDTH - underline_width) // 2
+            underline_x2 = underline_x1 + underline_width
+            underline_color = (56, 189, 248)  # Cyan/teal color
+            draw.line([(underline_x1, underline_y), (underline_x2, underline_y)], 
+                     fill=underline_color, width=4)
         
         # Bottom right removed (was sparkle icon)
         

modules/story_reels/services/story_creator.py

@@ -686,7 +686,7 @@ class StoryCreator:
             codec='libx264',
             audio_codec='aac',
             threads=4,
-            preset='medium',
+            preset='ultrafast',  # Fast export (3-5x faster)
             ffmpeg_params=[
                 '-pix_fmt', 'yuv420p',      # Browser compatible pixel format
                 '-movflags', '+faststart',   # Enable streaming/progressive download

modules/text_story/services/renderer.py

@@ -27,8 +27,8 @@ CANVAS_HEIGHT = 1920
 
 LAYOUT = {
     "top_margin": 500,            # 26% from top (moved up 8-10% from original 35%)
-    "side_margin": 50,            # More side margin (left/right)
-    "chat_box_width": 980,        # Narrower card (1080 - 50*2)
+    "side_margin": 53,            # +3 pixel more side margin (left/right)
+    "chat_box_width": 974,        # Slightly narrower card (1080 - 53*2)
     "chat_box_radius": 35,        # Rounded corners
     "header_height": 100,         # Header with avatar + name + status
     "max_chat_height": 1100,      # Maximum height of chat box

modules/text_story/services/video_composer.py

@@ -187,7 +187,7 @@ class VideoComposer:
             fps=30,
             codec="libx264",
             audio_codec="aac",
-            preset="medium",
+            preset="ultrafast",  # Fast export (3-5x faster)
             threads=4,
             logger=None  # Suppress MoviePy logs
         )