Change environment variable handling

.env.example

@@ -1,15 +1,15 @@
 # Your Google Cloud OAuth 2.0 Client ID
-VITE_GOOGLE_CLIENT_ID="YOUR_GOOGLE_CLIENT_ID_HERE"
+PUBLIC_GOOGLE_CLIENT_ID="YOUR_GOOGLE_CLIENT_ID_HERE"
 
 # Face Detection Crop Configuration
 # Crop aspect ratio (width:height) - e.g., 1.0 for square, 1.5 for 3:2 ratio
-VITE_CROP_RATIO=1.0
+PUBLIC_CROP_RATIO=1.0
 
 # Face offset from center (as percentage of crop dimensions)
 # Positive values move the face toward bottom-right, negative toward top-left
-VITE_FACE_OFFSET_X=0.0
-VITE_FACE_OFFSET_Y=-0.1
+PUBLIC_FACE_OFFSET_X=0.0
+PUBLIC_FACE_OFFSET_Y=-0.1
 
 # Crop scale multiplier based on face width
 # 1.0 = crop width equals face width, 2.0 = crop is 2x face width
-VITE_CROP_SCALE=2.5
+PUBLIC_CROP_SCALE=2.5