diff --git a/home/.config/alacritty/alacritty.toml b/home/.config/alacritty/alacritty.toml
index d87f8c2..b58675c 100644
--- a/home/.config/alacritty/alacritty.toml
+++ b/home/.config/alacritty/alacritty.toml
@@ -18,7 +18,7 @@ blinking = "Off"
 shape = "Block"
 
 [env]
-TERM = "xterm-256color"
+TERM = "alacritty"
 
 [font]
 size = 12
diff --git a/home/.config/nvim/lua/plugs/tiny-inline-diagnostics.lua b/home/.config/nvim/lua/plugs/tiny-inline-diagnostics.lua
index e3e8172..878ab24 100644
--- a/home/.config/nvim/lua/plugs/tiny-inline-diagnostics.lua
+++ b/home/.config/nvim/lua/plugs/tiny-inline-diagnostics.lua
@@ -7,5 +7,13 @@ return {
         vim.diagnostic.config({
             virtual_text = false,
         })
+
+    vim.cmd [[
+        highlight DiagnosticUnderlineError gui=undercurl guisp=#ff0000   " Red for error
+        highlight DiagnosticUnderlineWarn gui=undercurl guisp=#ffaa00    " Yellow/Orange for warning
+        highlight DiagnosticUnderlineHint gui=undercurl guisp=#00ffff    " Cyan for hint
+        highlight DiagnosticUnderlineInfo gui=undercurl guisp=#0000ff    " Blue for info
+    ]]
+
     end
 }
diff --git a/home/.tmux.conf b/home/.tmux.conf
index c4a88c3..fedc10f 100644
--- a/home/.tmux.conf
+++ b/home/.tmux.conf
@@ -66,10 +66,13 @@ bind-key -n M-C source-file ~/.tmux.conf \; display-message "Config reloaded"
 
 # Set the default terminal to support 256 colors
 set -g default-terminal "screen-256color"
+set -g default-terminal "alacritty"
 
 # Ensure tmux uses true color
-set-option -ga terminal-features 'xterm-256color:RGB'
-set-option -ga terminal-overrides ',xterm-256color:Tc'
+# set-option -ga terminal-features 'xterm-256color:RGB'
+# set-option -ga terminal-overrides ',xterm-256color:Tc'
+set-option -ga terminal-features 'alacritty:RGB'
+set-option -ga terminal-overrides ',alacritty:Tc'
 
 # Make sure that the index of windows and panes starts at 1
 set -g base-index 1