kilgharrah: Apply Plasma theming

hosts/kilgharrah/plasma.nix

@@ -10,14 +10,99 @@ in
   services.displayManager.sddm.wayland.enable = true;
   services.desktopManager.plasma6.enable = true;
 
+  environment.systemPackages = with pkgs; [
+    (catppuccin-kde.override {
+      flavour = [ "mocha" ];
+      accents = [ "mauve" ];
+      winDecStyles = [ "modern" ];
+    })
+  ];
+
   home-manager.users.qenya = { pkgs, ... }: {
     imports = [
       inputs.plasma-manager.homeManagerModules.plasma-manager
     ];
-    programs.plasma.enable = true;
-    programs.plasma.overrideConfig = true;
 
-    # For the moment, this hosts some network-accessible services, so we want it on 24/7
+    programs.plasma = {
-    programs.plasma.powerdevil.AC.autoSuspend.action = "nothing";
+      enable = true;
+      overrideConfig = true;
+
+      workspace = {
+        lookAndFeel = "Catppuccin-Mocha-Mauve";
+        colorScheme = "CatppuccinMochaMauve";
+        splashScreen.engine = "KSplashQML";
+        splashScreen.theme = "Catppuccin-Mocha-Mauve";
+        windowDecorations.library = "org.kde.kwin.aurorae";
+        windowDecorations.theme = "__aurorae__svg__CatppuccinMocha-Modern";
+      };
+
+      # For the moment, this hosts some network-accessible services, so we want it on 24/7
+      powerdevil.AC.autoSuspend.action = "nothing";
+
+      panels = [
+        # Dock
+        {
+          height = 49; # 41 * 1.2
+          lengthMode = "fit";
+          location = "bottom";
+          alignment = "center";
+          hiding = "dodgewindows";
+          widgets = [{
+            name = "org.kde.plasma.icontasks";
+            config.General = {
+              fill = false;
+              iconSpacing = 2;
+              launchers = lib.concatStringsSep "," [
+                "applications:discord.desktop"
+                "applications:firefox.desktop"
+                "applications:codium-url-handler.desktop"
+                "applications:steam.desktop"
+                "applications:org.kde.dolphin.desktop"
+                "applications:org.kde.konsole.desktop"
+                "applications:org.kde.plasma-systemmonitor.desktop"
+              ];
+              maxStripes = 1;
+              showOnlyCurrentDesktop = false;
+              showOnlyCurrentScreen = false;
+            };
+          }];
+          screen = "all";
+        }
+
+        # Top bar
+        {
+          height = 29; # 24 * 1.2
+          location = "top";
+          alignment = "left";
+          floating = false;
+          widgets = [
+            {
+              name = "org.kde.plasma.kickoff";
+              config.General = {
+                lengthFirstMargin = 7;
+              };
+            }
+            { name = "org.kde.plasma.panelspacer"; }
+            {
+              name = "org.kde.plasma.digitalclock";
+              config.Appearance = {
+                autoFontAndSize = false;
+                customDateFormat = "dddd, d MMM";
+                dateDisplayFormat = "BesideTime";
+                dateFormat = "custom";
+                fontFamily = "Inter";
+                fontStyleName = "Bold";
+                fontWeight = 700;
+                boldText = true;
+                showWeekNumbers = true;
+              };
+            }
+            { name = "org.kde.plasma.panelspacer"; }
+            { name = "org.kde.plasma.systemtray"; }
+          ];
+          screen = "all";
+        }
+      ];
+    };
   };
 }