Big update

ui.nix

@@ -1,4 +1,9 @@
 { lib, config, pkgs, ... }:
+let 
+  defaultTerminal = "alacritty";
+  alacrittyLightTheme = "${pkgs.alacritty-theme}/night_owlish_light.toml";
+  alacrittyDarkTheme = "${pkgs.alacritty-theme}/monokai_charcoal.toml";
+in
 {
   imports = [
     ./bar.nix
@@ -6,6 +11,11 @@
     ./gui-software.nix
   ];
 
+
+  home.sessionVariables = {
+    TERMINAL = defaultTerminal;
+  };
+
   home.packages = with pkgs; [
     gentium
     (nerdfonts.override { fonts = [ "CascadiaCode" "Noto" "Hack" ]; })
@@ -38,13 +48,14 @@
     serif = [ "Gentium Plus" ];
     sansSerif = [ "Inter" ];
     monospace = [ "CaskaydiaCove Nerd Font Mono" ];
+    # monospace = [ "CascadiaCode" ];
     # monospace = [ "Hack Nerd Font Mono" ];
     emoji = [ "Noto Color Emoji" "OpenMoji Color" ];
   };
 
   programs.kitty = {
     enable = true;
-    font.name = "monospace";
+    font.name = "CaskaydiaCove NFM Regular";
     font.size = 12;
     settings = {
       cursor_shape = "block";
@@ -69,9 +80,34 @@
     shellIntegration.mode = "no-cursor";
     extraConfig = ''
       include colors.conf
+      bold_font        CaskaydiaCove NFM Bold
+      italic_font      CaskaydiaCove NFM Italic
+      bold_italic_font CaskaydiaCove NFM Bold Italic
+      text_composition_strategy 1.4 4
+      font_features CaskaydiaCoveNF-Italic +calt +ss01
     '';
   };
 
+  programs.alacritty = {
+    enable = true;
+    settings = {
+      font = {
+        size = 12.0;
+      };
+
+      import = [
+        alacrittyLightTheme # default to white
+        "~/.config/alacritty/colors.toml"
+      ];
+    };
+  };
+
+
+
+  xdg = {
+    mimeApps.defaultApplications."TerminalEmulator" = "Alacritty.desktop";
+  };
+
   services.swayidle = {
     enable = true;
     events = [
@@ -104,20 +140,6 @@
   programs.swaylock = {
     enable = true;
     package = pkgs.swaylock-effects;
-    # --screenshots \
-    # --clock \
-    # --indicator \
-    # --indicator-radius 100 \
-    # --indicator-thickness 7 \
-    # --effect-blur 7x5 \
-    # --effect-vignette 0.5:0.5 \
-    # --ring-color bb00cc \
-    # --key-hl-color 880033 \
-    # --line-color 00000000 \
-    # --inside-color 00000088 \
-    # --separator-color 00000000 \
-    # --grace 2 \
-    # --fade-in 0.2
     settings = {
       screenshots = true;
       # clock = true;
@@ -202,6 +224,58 @@
     };
   };
 
+  services.darkman = {
+    lightModeScripts = {
+      gtk-theme = ''
+        ${pkgs.dconf}/bin/dconf write /org/gnome/desktop/interface/color-scheme "'prefer-light'"
+        '';
+      set-background = ''
+        rm -f ~/.local/share/bg/*
+        ln -rs ~/.local/share/bg-light.* ~/.local/share/bg/
+        ${pkgs.hyprland}/bin/hyprctl reload
+      '';
+      set-rofi-colors = ''
+        rm -f ~/.config/rofi/colors-current.rasi
+        ln -rs ~/.config/rofi/colors-light.rasi ~/.config/rofi/colors-current.rasi
+      '';
+      set-kitty-colors = ''
+        rm -f ~/.config/kitty/colors.conf
+        ln -rs ~/.config/kitty/light.conf ~/.config/kitty/colors.conf
+        kill -SIGUSR1 $(pgrep kitty)
+      '';
+      set-alacritty-colors = ''
+        rm -f ~/.config/alacritty/colors.toml
+        ln -s ${alacrittyLightTheme} ~/.config/alacritty/colors.toml
+      '';
+      notify = "${pkgs.libnotify}/bin/notify-send \"Light mode\"";
+    };
+
+    darkModeScripts = {
+      gtk-theme = ''
+        ${pkgs.dconf}/bin/dconf write /org/gnome/desktop/interface/color-scheme "'prefer-dark'"
+        '';
+      set-background = ''
+        rm -f ~/.local/share/bg/*
+        ln -rs ~/.local/share/bg-dark.* ~/.local/share/bg/
+        ${pkgs.hyprland}/bin/hyprctl reload
+      '';
+      set-rofi-colors = ''
+        rm -f ~/.config/rofi/colors-current.rasi
+        ln -rs ~/.config/rofi/colors-dark.rasi ~/.config/rofi/colors-current.rasi
+      '';
+      set-kitty-colors = ''
+        rm -f ~/.config/kitty/colors.conf
+        ln -rs ~/.config/kitty/dark.conf ~/.config/kitty/colors.conf
+        kill -SIGUSR1 $(pgrep kitty)
+      '';
+      set-alacritty-colors = ''
+        rm -f ~/.config/alacritty/colors.toml
+        ln -s ${alacrittyDarkTheme} ~/.config/alacritty/colors.toml
+      '';
+      notify = "${pkgs.libnotify}/bin/notify-send \"Dark mode\"";
+    };
+  };
+
   systemd.user.services = {
     battery-notify = {
       Unit = {