feat: set up 'stylix'

modules/stylix/default.nix

@@ -0,0 +1,37 @@
+{
+  config,
+  inputs,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [ inputs.stylix.nixosModules.stylix ];
+
+  stylix = {
+    enable = true;
+    polarity = "dark";
+    base16Scheme = ../stylix/zenwritten-dark.yaml;
+    image = pkgs.runCommand "solid-bg.png" { nativeBuildInputs = [ pkgs.imagemagick ]; } ''
+      magick -size 1x1 xc:#191919 $out
+    '';
+    fonts = {
+      monospace = {
+        package = pkgs.iosevka-bin.override { variant = "SS08"; };
+        name = "Iosevka Term SS08";
+      };
+      serif = config.stylix.fonts.monospace;
+      sansSerif = config.stylix.fonts.monospace;
+      emoji = config.stylix.fonts.monospace;
+    };
+    autoEnable = true;
+  };
+
+  home-manager.sharedModules = [
+    {
+      stylix.targets = {
+        firefox.profileNames = [ "default" ];
+      };
+    }
+  ];
+}

modules/stylix/zenwritten-dark.yaml

@@ -0,0 +1,18 @@
+scheme: "zenwritten-dark"
+author: "derived from zenbones.nvim zenwritten_dark"
+base00: "191919" # background
+base01: "303030" # inactive tab bg
+base02: "404040" # selection bg
+base03: "8E8E8E" # bright white (comments)
+base04: "3D3839" # bright black
+base05: "BBBBBB" # foreground
+base06: "C9C9C9" # cursor
+base07: "EEEEEE" # light foreground
+base08: "DE6E7C" # red
+base09: "B77E64" # yellow (orange)
+base0A: "D68C67" # bright yellow
+base0B: "819B69" # green
+base0C: "66A5AD" # cyan
+base0D: "6099C0" # blue
+base0E: "B279A7" # magenta
+base0F: "65435E" # active tab bg (brown)