feat: consolidate Kanagawa theme and refine Walker and Limine styling

modules/capabilities/theme.nix

@@ -1,80 +1,2 @@
-{ config, ... }:
-let
-  cursor = {
-    name = "phinger-cursors-light";
-    size = 24;
-  };
-in
-{
-  flake.modules.nixos.theme =
-    { pkgs, ... }:
-    {
-      home-manager.sharedModules = [ config.flake.modules.homeManager.theme ];
-      environment.systemPackages = [ pkgs.phinger-cursors ];
-    };
-
-  flake.modules.homeManager.theme =
-    { pkgs, ... }:
-    let
-      version = "unstable-2025-10-23";
-      src = pkgs.fetchFromGitHub {
-        owner = "Fausto-Korpsvart";
-        repo = "Kanagawa-GKT-Theme";
-        rev = "55ca4ba249eba21f861b9866b71ab41bb8930318";
-        hash = "sha256-UdMoMx2DoovcxSp/zBZ3PRv/Qpj+prd0uPm1gmdak2E=";
-      };
-      kanagawaGtkTheme = pkgs.stdenvNoCC.mkDerivation {
-        pname = "kanagawa-gtk-theme";
-        inherit src version;
-
-        nativeBuildInputs = [ pkgs.sassc ];
-
-        installPhase = ''
-          runHook preInstall
-
-          mkdir -p "$out/share/themes"
-          bash ./themes/install.sh \
-            --dest "$out/share/themes" \
-            --name Kanagawa \
-            --color dark
-
-          rm -r "$out/share/themes/Kanagawa-Dark/gtk-2.0"
-
-          runHook postInstall
-        '';
-      };
-    in
-    {
-      home.pointerCursor = cursor // {
-        enable = true;
-        package = pkgs.phinger-cursors;
-        dotIcons.enable = false;
-        gtk.enable = true;
-      };
-
-      gtk = {
-        enable = true;
-        theme = {
-          name = "Kanagawa-Dark";
-          package = kanagawaGtkTheme;
-        };
-        gtk4.theme = null;
-        iconTheme = {
-          name = "Kanagawa";
-          package = pkgs.kanagawa-icon-theme.overrideAttrs (_: {
-            inherit src version;
-          });
-        };
-      };
-
-      qt = {
-        enable = true;
-        platformTheme.name = "gtk3";
-      };
-
-      xdg.systemDirs.data = [
-        "${pkgs.gsettings-desktop-schemas}/share/gsettings-schemas/${pkgs.gsettings-desktop-schemas.name}"
-        "${pkgs.gtk3}/share/gsettings-schemas/${pkgs.gtk3.name}"
-      ];
-    };
-}
+# Select a complete theme module: plugins, assets and behavior as well as colors.
+{ imports = [ ./_themes/kanagawa.nix ]; }