{ config, pkgs, lib, inputs, ... }:
{
  # Imported for all hosts via flake.nix.

  config = {
    stylix = {
      enable = true;
      # builtins.path hashes only the image content, not the whole flake tree,
      # so palette.json is only rebuilt when the wallpaper itself changes.
      image = builtins.path {
        name = "wallpaper.png";
        path = inputs.self + "/walls/wallpaper.png";
      };
      polarity = "dark";

      # Let stylix theme every target it supports. Per-target opt-outs go
      # under home-manager.users.fred.stylix.targets.<x>.enable = false.
      autoEnable = true;

      cursor = {
        package = pkgs.bibata-cursors;
        name = "Bibata-Modern-Ice";
        size = 24;
      };

      # caelestia's font set: Rubik for UI text, CaskaydiaCove NF for mono
      # (still a nerd font, so terminal glyphs survive the swap).
      fonts = {
        monospace = {
          package = pkgs.nerd-fonts.caskaydia-cove;
          name = "CaskaydiaCove NF";
        };
        sansSerif = {
          package = pkgs.rubik;
          name = "Rubik";
        };
        serif = {
          package = pkgs.rubik;
          name = "Rubik";
        };
      };
    };


    # Per-app theming that has to follow the RUNTIME wallpaper (GTK, ghostty,
    # btop, zen, vesktop, folder icons) lives in settings/theming.nix: it
    # renders one set of config files per wallpaper in walls/ and swaps them
    # in without a rebuild. Everything above is build-time and stays here.
  };
}