diff --git a/.gitignore b/.gitignore
index a30d514..bf3dcc7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,8 +1,21 @@
-*.class
-*.log
+# Scala + sbt build artifacts
 target/
-project/target
+project/target/
 project/project/
 
-# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
+# Metals + BSP cache
+.metals/
+.bsp/
+
+# Java / JVM artifacts
+*.class
+*.log
 hs_err_pid*
+
+# IntelliJ
+.idea/
+*.iml
+
+# VSCode
+.vscode/
+