diff --git a/.gitignore b/.gitignore
index 0728338..bd2b07f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,26 +1,40 @@
-# Generated by Cargo
-# will have compiled files and executables
+# === Cargo / Rust ===
+/target
 debug
-target
-
-# These are backup files generated by rustfmt
 **/*.rs.bk
-
-# MSVC Windows builds of rustc generate these, which store debugging information
 *.pdb
-
-# Generated by cargo mutants
-# Contains mutation testing data
 **/mutants.out*/
+Cargo.lock.bk
 
-# RustRover
-#  JetBrains specific template is maintained in a separate JetBrains.gitignore that can
-#  be found at https://github.com/github/gitignore/blob/main/Global/JetBrains.gitignore
-#  and can be added to the global gitignore or merged into this file.  For a more nuclear
-#  option (not recommended) you can uncomment the following to ignore the entire idea folder.
-#.idea/
+# === IDE / Editor ===
+.idea/
+.vscode/
+*.swp
+*.swo
+*~
+.*.kate-swp
+*.sublime-workspace
+*.sublime-project
 
+# === OS junk ===
+.DS_Store
+Thumbs.db
+Desktop.ini
+._*
+.Spotlight-V100
+.Trashes
 
-# Added by cargo
+# === Environment / secrets ===
+.env
+.env.*
+*.key
+*.pem
 
-/target
+# === Logs / debug ===
+*.log
+**/*.log
+
+# === Temporary files ===
+*.tmp
+*.bak
+*.orig