feat: consolidate Kanagawa theme and refine Walker and Limine styling

modules/capabilities/_themes/kanagawa.nix

@@ -0,0 +1,277 @@
+{ config, lib, ... }:
+let
+  palette = (import ./_kanagawa-palette.nix).palette;
+  hex = lib.removePrefix "#";
+  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/${pkgs.gtk3.name}"
+      ];
+    };
+
+  flake.modules.nixos.limine =
+    { config, pkgs, ... }:
+    let
+      terminalPalette = palette.terminal;
+      mkPalette = colors: lib.concatStringsSep ";" (map hex colors);
+    in
+    {
+      boot.loader.limine.style = {
+        wallpapers = [ pkgs.nixos-artwork.wallpapers.simple-dark-gray-bootloader.gnomeFilePath ];
+        wallpaperStyle = "stretched";
+        backdrop = hex palette.secondaryBackground;
+
+        graphicalTerminal = {
+          # TT is transparency: let the boot wallpaper show through the terminal.
+          background = "FF${hex palette.background}";
+          foreground = hex palette.foreground;
+          brightForeground = hex palette.selectionForeground;
+          brightBackground = hex palette.selectionBackground;
+          palette = mkPalette [
+            terminalPalette.color0
+            terminalPalette.color1
+            terminalPalette.color2
+            terminalPalette.color3
+            terminalPalette.color4
+            terminalPalette.color5
+            terminalPalette.color6
+            terminalPalette.color7
+          ];
+          brightPalette = mkPalette [
+            terminalPalette.color8
+            terminalPalette.color9
+            terminalPalette.color10
+            terminalPalette.color11
+            terminalPalette.color12
+            terminalPalette.color13
+            terminalPalette.color14
+            terminalPalette.color15
+          ];
+          font = {
+            scale = "2x2";
+            spacing = 1;
+          };
+          margin = 64;
+          marginGradient = 0;
+        };
+
+        interface = {
+          branding = config.networking.hostName;
+          brandingColor = hex palette.accents.blue;
+        };
+      };
+    };
+
+  flake.modules.nixos.sddm = { pkgs, ... }: {
+    services.displayManager.sddm = {
+      theme = "${
+        pkgs.sddm-astronaut.override { embeddedTheme = "purple_leaves"; }
+      }/share/sddm/themes/sddm-astronaut-theme";
+      extraPackages = [ pkgs.kdePackages.qtmultimedia ];
+      settings.Theme = {
+        CursorTheme = cursor.name;
+        CursorSize = cursor.size;
+      };
+    };
+  };
+
+  flake.modules.nixos.plymouth = { pkgs, ... }: {
+    boot.plymouth = {
+      theme = "spinner_alt";
+      themePackages = [ pkgs.adi1090x-plymouth-themes ];
+    };
+  };
+
+  flake.modules.homeManager.terminal-kitty = {
+    programs.kitty = {
+      settings = {
+        bold_font = "postscript_name=JetBrainsMono-Bold";
+        bold_italic_font = "postscript_name=JetBrainsMono-BoldItalic";
+      };
+      font = {
+        name = "JetBrains Mono";
+        size = 11;
+      };
+      extraConfig = ''
+        # Nerd Fonts v3.4.0
+        symbol_map U+e000-U+e00a,U+e0a0-U+e0a2,U+e0a3,U+e0b0-U+e0b3,U+e0b4-U+e0c8,U+e0ca,U+e0cc-U+e0d7,U+e200-U+e2a9,U+e300-U+e3e3,U+e5fa-U+e6b7,U+e700-U+e8ef,U+ea60-U+ec1e,U+ed00-U+efce,U+f000-U+f2ff,U+f300-U+f381,U+f400-U+f533,U+f0001-U+f1af0 Symbols Nerd Font Mono
+
+        ## name: Kanagawa Wave
+        ## license: MIT
+        ## author: Tommaso Laurenzi
+        ## upstream: https://github.com/rebelot/kanagawa.nvim/
+
+        background ${palette.background}
+        foreground ${palette.foreground}
+        selection_background ${palette.selectionBackground}
+        selection_foreground ${palette.selectionForeground}
+        url_color ${palette.url}
+        cursor ${palette.cursor}
+
+        active_tab_background ${palette.background}
+        active_tab_foreground ${palette.selectionForeground}
+        inactive_tab_background ${palette.background}
+        inactive_tab_foreground ${palette.muted}
+
+        color0 ${palette.terminal.color0}
+        color1 ${palette.terminal.color1}
+        color2 ${palette.terminal.color2}
+        color3 ${palette.terminal.color3}
+        color4 ${palette.terminal.color4}
+        color5 ${palette.terminal.color5}
+        color6 ${palette.terminal.color6}
+        color7 ${palette.terminal.color7}
+
+        color8 ${palette.terminal.color8}
+        color9 ${palette.terminal.color9}
+        color10 ${palette.terminal.color10}
+        color11 ${palette.terminal.color11}
+        color12 ${palette.terminal.color12}
+        color13 ${palette.terminal.color13}
+        color14 ${palette.terminal.color14}
+        color15 ${palette.terminal.color15}
+
+        color16 ${palette.terminal.color16}
+        color17 ${palette.terminal.color17}
+      '';
+    };
+  };
+
+  flake.modules.homeManager.niri = {
+    dconf.settings."org/gnome/desktop/interface".color-scheme = "prefer-dark";
+    wayland.windowManager.niri.settings.layout.border = {
+      active-color = palette.accents.blue;
+      inactive-color = palette.subtleBorder;
+      urgent-color = palette.accents.red;
+    };
+  };
+
+  flake.modules.homeManager.ai = {
+    xdg.configFile."herdr/config.toml".text = lib.mkAfter ''
+      [theme]
+      name = "kanagawa"
+      auto_switch = false
+    '';
+  };
+
+  flake.modules.homeManager.noctalia =
+    { config, ... }:
+    let
+      wallpaper = "${config.home.homeDirectory}/media/images/wallpapers/green-leaves.png";
+    in
+    {
+      programs.noctalia.settings = {
+        shell.font_family = "Lexend";
+        theme = {
+          builtin = "Kanagawa";
+          community_palette = "Kanagawa Paper";
+          wallpaper_scheme = "m3-content";
+        };
+        wallpaper = {
+          default.path = wallpaper;
+          last.path = wallpaper;
+        };
+      };
+    };
+
+  flake.modules.homeManager.neovim = { pkgs, ... }: {
+    wrappers.neovim.specs.theme = {
+      data = pkgs.vimPlugins.kanagawa-nvim;
+      before = [ "INIT_MAIN" ];
+      config = ''
+        require("kanagawa").setup({
+          dimInactive = true,
+          colors = {
+            theme = {
+              all = {
+                ui = { bg_gutter = "none" },
+              },
+            },
+          },
+        })
+        vim.cmd.colorscheme("kanagawa-wave")
+      '';
+    };
+  };
+
+  flake.modules.homeManager.walker = {
+    programs.walker.themes.constellation.style = lib.mkAfter ''
+      @define-color window_bg_color ${palette.background};
+      @define-color accent_bg_color ${palette.selectionBackground};
+      @define-color theme_fg_color ${palette.foreground};
+      @define-color error_bg_color ${palette.terminal.color1};
+      @define-color error_fg_color ${palette.foreground};
+    '';
+  };
+}

modules/capabilities/ai.nix

@@ -123,10 +123,6 @@ in
       xdg.configFile."herdr/config.toml".text = ''
         onboarding = false
 
-        [theme]
-        name = "kanagawa"
-        auto_switch = false
-
         [ui]
         agent_panel_sort = "spaces"
 

modules/capabilities/limine.nix

@@ -1,10 +1,4 @@
-{ lib, ... }:
-let
-  palette = (import ./_kanagawa.nix).palette;
-  hex = lib.removePrefix "#";
-  terminalPalette = palette.terminal;
-  mkPalette = colors: lib.concatStringsSep ";" (map hex colors);
-in
+{ ... }:
 {
   flake.modules.nixos.limine =
     { config, lib, ... }:
@@ -26,48 +20,7 @@ in
           maxGenerations = 10;
           resolution = interfaceResolution;
 
-          style = {
-            backdrop = hex palette.secondaryBackground;
-
-            graphicalTerminal = {
-              background = "00${hex palette.background}";
-              foreground = hex palette.foreground;
-              brightForeground = hex palette.selectionForeground;
-              brightBackground = hex palette.selectionBackground;
-              palette = mkPalette [
-                terminalPalette.color0
-                terminalPalette.color1
-                terminalPalette.color2
-                terminalPalette.color3
-                terminalPalette.color4
-                terminalPalette.color5
-                terminalPalette.color6
-                terminalPalette.color7
-              ];
-              brightPalette = mkPalette [
-                terminalPalette.color8
-                terminalPalette.color9
-                terminalPalette.color10
-                terminalPalette.color11
-                terminalPalette.color12
-                terminalPalette.color13
-                terminalPalette.color14
-                terminalPalette.color15
-              ];
-              font = {
-                scale = "2x2";
-                spacing = 1;
-              };
-              margin = 64;
-              marginGradient = 24;
-            };
-
-            interface = {
-              branding = config.networking.hostName;
-              brandingColor = hex palette.accents.blue;
-              resolution = interfaceResolution;
-            };
-          };
+          style.interface.resolution = interfaceResolution;
         };
       };
     };

modules/capabilities/neovim/default.nix

@@ -171,10 +171,6 @@ in
           ui = {
             lazy = true;
             data = with pkgs.vimPlugins; [
-              {
-                data = kanagawa-nvim;
-                lazy = false;
-              }
               render-markdown-nvim
               lualine-nvim
               gitsigns-nvim

modules/capabilities/neovim/lua-config/lua/plugins/ui.lua

@@ -1,15 +1,3 @@
-require("kanagawa").setup({
-  dimInactive = true,
-  colors = {
-    theme = {
-      all = {
-        ui = { bg_gutter = "none" },
-      },
-    },
-  },
-})
-vim.cmd.colorscheme("kanagawa-wave")
-
 require("lz.n").load({
   {
     "lualine.nvim",
@@ -34,7 +22,7 @@ require("lz.n").load({
 
       require("lualine").setup({
         options = {
-          theme = "kanagawa",
+          theme = "auto",
           component_separators = "",
           section_separators = "",
           globalstatus = true,

modules/capabilities/niri/default.nix

@@ -3,7 +3,6 @@
   ...
 }:
 let
-  kanagawa = import ../_kanagawa.nix;
   hmModules = config.flake.modules.homeManager;
 in
 {
@@ -28,7 +27,6 @@ in
       ...
     }:
     let
-      palette = kanagawa.palette;
       swapMonitorWorkspaces = import ./_shortcuts.nix { inherit pkgs; };
       machine = config.facts.machine;
     in
@@ -46,8 +44,6 @@ in
           ++ [ swapMonitorWorkspaces ];
       };
 
-      dconf.settings."org/gnome/desktop/interface".color-scheme = "prefer-dark";
-
       wayland.windowManager.niri = {
         enable = true;
         settings = {
@@ -104,12 +100,7 @@ in
             focus-ring.off = { };
             default-column-width.proportion = 1. / 2.;
 
-            border = {
-              width = 3;
-              active-color = palette.accents.blue;
-              inactive-color = palette.subtleBorder;
-              urgent-color = palette.accents.red;
-            };
+            border.width = 3;
           };
 
           debug.honor-xdg-activation-with-invalid-serial = true;

modules/capabilities/noctalia.nix

@@ -9,7 +9,6 @@
     }:
     let
       homeDir = config.home.homeDirectory;
-      wallpaper = "${homeDir}/media/images/wallpapers/green-leaves.png";
     in
     {
       desktop.autostart = [ [ (lib.getExe config.programs.noctalia.package) ] ];
@@ -85,7 +84,6 @@
           };
 
           shell = {
-            font_family = "Lexend";
             polkit_agent = true;
             # Handy provides recording feedback; omit microphone activity popups/indicators.
             privacy.mic_filter_regex = ".*";
@@ -99,9 +97,6 @@
           };
 
           theme = {
-            builtin = "Kanagawa";
-            community_palette = "Kanagawa Paper";
-            wallpaper_scheme = "m3-content";
             templates = {
               enable_builtin_templates = false;
               enable_community_templates = false;
@@ -110,8 +105,6 @@
 
           wallpaper = {
             directory = "${homeDir}/media/images/wallpapers";
-            default.path = wallpaper;
-            last.path = wallpaper;
           };
 
           weather.refresh_minutes = 15;

modules/capabilities/plymouth.nix

@@ -1,7 +1,7 @@
 { ... }:
 {
   flake.modules.nixos.plymouth =
-    { pkgs, ... }:
+    { ... }:
     {
       boot = {
         consoleLogLevel = 3;
@@ -16,8 +16,6 @@
 
         plymouth = {
           enable = true;
-          theme = "spinner_alt";
-          themePackages = [ pkgs.adi1090x-plymouth-themes ];
         };
       };
     };

modules/capabilities/sddm.nix

@@ -1,23 +1,10 @@
 {
-  flake.modules.nixos.sddm =
-    {
-      pkgs,
-      ...
-    }:
-    {
-      services.displayManager.sddm = {
-        enable = true;
-        enableHidpi = true;
-        wayland.enable = true;
-        wayland.compositor = "kwin";
-        theme = "${
-          pkgs.sddm-astronaut.override { embeddedTheme = "purple_leaves"; }
-        }/share/sddm/themes/sddm-astronaut-theme";
-        extraPackages = [ pkgs.kdePackages.qtmultimedia ];
-        settings.Theme = {
-          CursorTheme = "phinger-cursors-light";
-          CursorSize = 24;
-        };
-      };
+  flake.modules.nixos.sddm = {
+    services.displayManager.sddm = {
+      enable = true;
+      enableHidpi = true;
+      wayland.enable = true;
+      wayland.compositor = "kwin";
     };
+  };
 }

modules/capabilities/terminal.nix

@@ -6,8 +6,6 @@ in
   flake.modules.homeManager.terminal-kitty =
     { pkgs, ... }:
     let
-      theme = import ./_kanagawa.nix;
-      palette = theme.palette;
       kitty = pkgs.symlinkJoin {
         name = "kitty-single";
         paths = [ pkgs.kitty ];
@@ -24,13 +22,7 @@ in
       programs.kitty = {
         enable = true;
         package = kitty;
-        font = {
-          name = "JetBrains Mono";
-          size = 11;
-        };
         settings = {
-          bold_font = "postscript_name=JetBrainsMono-Bold";
-          bold_italic_font = "postscript_name=JetBrainsMono-BoldItalic";
           disable_ligatures = "always";
           scrollback_lines = 10000;
           enable_audio_bell = false;
@@ -39,48 +31,6 @@ in
           update_check_interval = 0;
         };
         keybindings."shift+enter" = "send_text all \\x0a";
-        extraConfig = ''
-          # Nerd Fonts v3.4.0
-          symbol_map U+e000-U+e00a,U+e0a0-U+e0a2,U+e0a3,U+e0b0-U+e0b3,U+e0b4-U+e0c8,U+e0ca,U+e0cc-U+e0d7,U+e200-U+e2a9,U+e300-U+e3e3,U+e5fa-U+e6b7,U+e700-U+e8ef,U+ea60-U+ec1e,U+ed00-U+efce,U+f000-U+f2ff,U+f300-U+f381,U+f400-U+f533,U+f0001-U+f1af0 Symbols Nerd Font Mono
-
-          ## name: ${theme.displayName}
-          ## license: MIT
-          ## author: Tommaso Laurenzi
-          ## upstream: https://github.com/rebelot/kanagawa.nvim/
-
-          background ${palette.background}
-          foreground ${palette.foreground}
-          selection_background ${palette.selectionBackground}
-          selection_foreground ${palette.selectionForeground}
-          url_color ${palette.url}
-          cursor ${palette.cursor}
-
-          active_tab_background ${palette.background}
-          active_tab_foreground ${palette.selectionForeground}
-          inactive_tab_background ${palette.background}
-          inactive_tab_foreground ${palette.muted}
-
-          color0 ${palette.terminal.color0}
-          color1 ${palette.terminal.color1}
-          color2 ${palette.terminal.color2}
-          color3 ${palette.terminal.color3}
-          color4 ${palette.terminal.color4}
-          color5 ${palette.terminal.color5}
-          color6 ${palette.terminal.color6}
-          color7 ${palette.terminal.color7}
-
-          color8 ${palette.terminal.color8}
-          color9 ${palette.terminal.color9}
-          color10 ${palette.terminal.color10}
-          color11 ${palette.terminal.color11}
-          color12 ${palette.terminal.color12}
-          color13 ${palette.terminal.color13}
-          color14 ${palette.terminal.color14}
-          color15 ${palette.terminal.color15}
-
-          color16 ${palette.terminal.color16}
-          color17 ${palette.terminal.color17}
-        '';
       };
       systemd.user.services.kitty-daemon = {
         Unit = {

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 ]; }

modules/capabilities/walker.nix

@@ -129,6 +129,34 @@
         enable = true;
         runAsService = true;
 
+        config.theme = "constellation";
+        themes.constellation = {
+          layouts.layout =
+            lib.replaceStrings
+              [ ''<property name="height-request">570</property>'' ]
+              [ ''<property name="height-request">460</property>'' ]
+              (builtins.readFile "${inputs.walker}/resources/themes/default/layout.xml");
+          style = lib.mkBefore (
+            builtins.readFile "${inputs.walker}/resources/themes/default/style.css"
+            + ''
+              .box-wrapper {
+                padding: 10px;
+                border-radius: 10px;
+                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
+              }
+              .search-container, .item-box, .preview { border-radius: 6px; }
+              .input { padding: 8px 10px; }
+              .item-box { padding: 5px 8px; }
+              .large-icons { -gtk-icon-size: 24px; }
+              .item-image-text { font-size: 24px; }
+              .item-subtext { opacity: 0.75; }
+              .item-quick-activation { padding: 3px 5px; }
+              .keybinds { padding-top: 6px; }
+              .keybind-bind { opacity: 0.65; }
+            ''
+          );
+        };
+
         config.providers = {
           default = walkerDefaults.providers.default ++ [ "menus:projects" ];
           prefixes = walkerDefaults.providers.prefixes ++ [