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/tmux/default.nix

@@ -1,4 +1,8 @@
 { pkgs, config, ... }:
+let
+  colors = config.lib.colors.terminal;
+  dim = builtins.elemAt colors.bright 0;
+in
 {
   home-manager.users.alex = {
     programs.tmux = {
@@ -26,18 +30,18 @@
         set -g set-clipboard on
 
         # Status line colors
-        set -g status-fg '#${config.lib.colors.foreground}'
-        set -g status-bg '#${config.lib.colors.background}'
+        set -g status-fg '#${colors.foreground}'
+        set -g status-bg '#${colors.status}'
 
         # Remove date/time etc. on the right side
         set -g status-right ""
 
         # Status window colors
-        set -g window-status-current-style bg='#${config.lib.colors.background}',fg='#${config.lib.colors.foreground}'
-        set -g window-status-style bg='#${config.lib.colors.background}',fg='#${config.lib.colors.foreground-dim}'
+        set -g window-status-current-style bg='#${colors.status}',fg='#${colors.cursor}'
+        set -g window-status-style bg='#${colors.status}',fg='#${dim}'
 
-        set -g pane-border-style fg='#${config.lib.colors.background}'
-        set -g pane-active-border-style fg='#${config.lib.colors.background}'
+        set -g pane-border-style fg='#${colors.background}'
+        set -g pane-active-border-style fg='#${colors.background}'
         set -g pane-border-lines "heavy"
 
         # Remove accidental `suspend-client` triggers