diff --git a/.gitignore b/.gitignore
new file mode 100644
index 00000000..41f0091d
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,7 @@
+# 1. Ignore all PDFs and PNGs globally by default
+*.pdf
+*.png
+
+# 2. Whitelist exceptions (Must come AFTER the global ignores)
+!imgs/
+!imgs/*.png