ops/nixos: tweak alacritty settings

ops/nixos/lib/home-manager/graphical-client.nix

@@ -30,7 +30,50 @@
     depot.nix.pkgs.flameshot
   ]);
 
-  programs.alacritty.enable = true;
+  programs.alacritty = {
+    enable = true;
+    settings.font = let
+      iosevka = style: { family = "Iosevka"; inherit style; };
+    in {
+      normal = iosevka "Regular";
+      bold = iosevka "Bold";
+      italic = iosevka "Italic";
+      bold_italic = iosevka "Bold Italic";
+
+      size = 6;
+    };
+    settings.colors = {
+      # Ayu Dark, from https://github.com/alacritty/alacritty/wiki/Color-schemes
+      primary = {
+        background = "#0A0E14";
+        foreground = "#B3B1AD";
+      };
+
+      # Normal colors
+      normal = {
+        black = "#01060E";
+        red = "#EA6C73";
+        green = "#91B362";
+        yellow = "#F9AF4F";
+        blue = "#53BDFA";
+        magenta = "#FAE994";
+        cyan = "#90E1C6";
+        white = "#C7C7C7";
+      };
+
+      # Bright colors
+      bright = {
+        black = "#686868";
+        red = "#F07178";
+        green = "#C2D94C";
+        yellow = "#FFB454";
+        blue = "#59C2FF";
+        magenta = "#FFEE99";
+        cyan = "#95E6CB";
+        white = "#FFFFFF";
+      };
+    };
+  };
 
   home.file."bin/screencap" = {
     executable = true;
@@ -65,6 +108,7 @@
       in lib.mkOptionDefault {
         "${modifier}+l" = "exec loginctl lock-session";
         "${modifier}+p" = "exec ${depot.nix.pkgs.flameshot}/bin/flameshot gui";
+        "${modifier}+Return" = "exec ${pkgs.alacritty}/bin/alacritty";
       };
       startup = [
         { command = "xss-lock --transfer-sleep-lock -- i3lock --nofork"; notification = false; }