pinwheel: Replace purple color scheme with grayscale and amber

Terminals, tmux and Emacs share a grayscale palette with amber
accents instead of Dracula, and the desktop bars and menus use a
matching gray background.

hosts/pinwheel/modules/colors/default.nix

@@ -1,12 +1,45 @@
+let
+  bar = "2c2c2c";
+in
 {
   lib = {
     colors = {
-      foreground = "bd93f9";
-      foreground-dim = "644294";
-      background = "1E1E2F";
+      foreground = "ffb347";
+      foreground-dim = "8a5a20";
+      background = bar;
 
       gray = "3a3a3a";
-      warning = "ff6969";
+      warning = "e0473c";
+
+      terminal = {
+        foreground = "e8e8e8";
+        background = "1b1b1b";
+        cursor = "b8843a";
+        selection = "4a3820";
+        status = bar;
+
+        regular = [
+          "181818" # black
+          "e0473c" # red
+          "f4f4f4" # green
+          "b8904a" # yellow
+          "8a8a8a" # blue
+          "a05048" # magenta
+          "9e9e9e" # cyan
+          "e8e8e8" # white
+        ];
+
+        bright = [
+          "5a5a5a" # black
+          "ff5f52" # red
+          "ffffff" # green
+          "d8b070" # yellow
+          "aaaaaa" # blue
+          "c06058" # magenta
+          "bebebe" # cyan
+          "fafafa" # white
+        ];
+      };
     };
   };
 }