diff --git a/tmux/tmux.conf b/tmux/tmux.conf
index 0a19adf..c7d34ce 100644
--- a/tmux/tmux.conf
+++ b/tmux/tmux.conf
@@ -31,6 +31,14 @@ set -g pane-active-border-style "fg=#6c5ce7"
 set -g pane-border-status top
 set -g pane-border-format " #{pane_title} "
 
+# ── Copy / Paste ──────────────────────────────────────────────────────
+# Mouse-select copies to system clipboard automatically
+set -g set-clipboard on
+setw -g mode-keys vi
+bind -T copy-mode-vi MouseDragEnd1Pane send -X copy-pipe-and-cancel "pbcopy"
+bind -T copy-mode-vi y send -X copy-pipe-and-cancel "pbcopy"
+bind -T copy-mode-vi Enter send -X copy-pipe-and-cancel "pbcopy"
+
 # ── Quality of Life ───────────────────────────────────────────────────
 # Easier splits (keep old bindings too)
 bind | split-window -h -c "#{pane_current_path}"