refactor: unify SwayOSD and Hypridle configurations in Nix

modules/home/swayosd.nix

@@ -1,5 +1,41 @@
 { config, pkgs, ... }:
 
 {
-  services.swayosd.enable = true;
+  services.swayosd = {
+    enable = true;
+    stylePath = "${config.home.homeDirectory}/.config/swayosd/style.css";
+  };
+
+  xdg.configFile."swayosd/style.css".text = ''
+    @define-color background-color #${config.colorScheme.palette.base00};
+    @define-color border-color #${config.colorScheme.palette.base0E};
+    @define-color label #${config.colorScheme.palette.base05};
+    @define-color image #${config.colorScheme.palette.base05};
+    @define-color progress #${config.colorScheme.palette.base0B};
+
+    window {
+      border-radius: 0;
+      opacity: 0.97;
+      border: 2px solid @border-color;
+      background-color: @background-color;
+    }
+
+    label {
+      font-family: '${config.nomarchy.fonts.monospace}';
+      font-size: 11pt;
+      color: @label;
+    }
+
+    image {
+      color: @image;
+    }
+
+    progressbar {
+      border-radius: 0;
+    }
+
+    progress {
+      background-color: @progress;
+    }
+  '';
 }