{ config, pkgs, ... }:

{
  # Common system configuration shared across all machines
  
  # Bootloader
  boot.loader.systemd-boot.enable = true;
  boot.loader.efi.canTouchEfiVariables = true;

  # Networking
  networking.networkmanager.enable = true;

  # Timezone and locale
  time.timeZone = "Europe/London";
  i18n.defaultLocale = "en_US.UTF-8";
  i18n.extraLocaleSettings = {
    LC_ADDRESS = "en_US.UTF-8";
    LC_IDENTIFICATION = "en_US.UTF-8";
    LC_MEASUREMENT = "en_US.UTF-8";
    LC_MONETARY = "en_US.UTF-8";
    LC_NAME = "en_US.UTF-8";
    LC_NUMERIC = "en_US.UTF-8";
    LC_PAPER = "en_US.UTF-8";
    LC_TELEPHONE = "en_US.UTF-8";
    LC_TIME = "en_US.UTF-8";
  };

  # Enable sound
  hardware.pulseaudio.enable = false;
  security.rtkit.enable = true;
  services.pipewire = {
    enable = true;
    alsa.enable = true;
    alsa.support32Bit = true;
    pulse.enable = true;
    jack.enable = true;
  };

  # Enable CUPS for printing
  services.printing.enable = true;

  # Enable OpenGL
  hardware.graphics = {
    enable = true;
    enable32Bit = true;
  };

  # System-wide packages
  environment.systemPackages = with pkgs; [
    vim
    wget
    curl
    git
    htop
    neofetch
    unzip
    zip
  ];

  # Enable flakes
  nix.settings.experimental-features = [ "nix-command" "flakes" ];

  # Allow unfree packages
  nixpkgs.config.allowUnfree = true;

  # Enable networking
  networking.firewall.enable = true;

  # System state version
  system.stateVersion = "25.05";
}