{
  lib,
  pkgs,
  inputs,
  ...
}: {
  imports = with inputs; [
    ./hardware.nix

    nixos-apple-silicon.nixosModules.apple-silicon-support
  ];

  hardware.asahi = {
    useExperimentalGPUDriver = true;
    experimentalGPUInstallMode = "replace";
    setupAsahiSound = true;
    peripheralFirmwareDirectory = ./firmware;
  };

  boot.kernelParams = [
    "hid_apple.iso_layout=0"
    "apple_dcp.show_notch=1"
  ];

  networking = {
    hostName = "canis-nix";

    wireless.iwd = {
      enable = true;
      settings.General.EnableNetworkConfiguration = true;
    };
  };

  security = {
    rtkit.enable = true;

    pam = {
      services.login.enableGnomeKeyring = true;

      loginLimits = [
        {
          domain = "*";
          item = "nofile";
          type = "-";
          value = "32768";
        }
        {
          domain = "*";
          item = "memlock";
          type = "-";
          value = "32768";
        }
      ];
    };

    sudo-rs = {
      enable = true;
      wheelNeedsPassword = false;
      execWheelOnly = true;
    };
  };

  fonts = {
    packages = with pkgs.nerd-fonts;
      [
        _0xproto
        _3270
        agave
        anonymice
        arimo
        aurulent-sans-mono
        bigblue-terminal
        bitstream-vera-sans-mono
        blex-mono
        caskaydia-cove
        caskaydia-mono
        code-new-roman
        comic-shanns-mono
        commit-mono
        cousine
        d2coding
        daddy-time-mono
        dejavu-sans-mono
        departure-mono
        droid-sans-mono
        envy-code-r
        fantasque-sans-mono
        fira-code
        fira-mono
        geist-mono
        go-mono
        gohufont
        hack
        hasklug
        heavy-data
        hurmit
        im-writing
        inconsolata
        inconsolata-go
        inconsolata-lgc
        intone-mono
        iosevka
        iosevka-term
        iosevka-term-slab
        jetbrains-mono
        lekton
        liberation
        lilex
        martian-mono
        meslo-lg
        monaspace
        monofur
        monoid
        mononoki
        mplus
        noto
        open-dyslexic
        overpass
        profont
        proggy-clean-tt
        recursive-mono
        roboto-mono
        sauce-code-pro
        shure-tech-mono
        space-mono
        symbols-only
        terminess-ttf
        tinos
        ubuntu
        ubuntu-mono
        ubuntu-sans
        victor-mono
        zed-mono
      ]
      ++ (with pkgs.iosevka-comfy; [
        comfy
        comfy-duo
        comfy-fixed
        comfy-motion
        comfy-motion-duo
        comfy-motion-fixed
        comfy-wide
        comfy-wide-duo
        comfy-wide-fixed
        comfy-wide-motion
        comfy-wide-motion-duo
        comfy-wide-motion-fixed
      ]);
  };

  console.catppuccin.enable = true;

  systemd.user.extraConfig = let
    path = lib.concatStringsSep ":" [
      "/run/wrappers/bin"
      "/etc/profiles/per-user/%u/bin"
      "/nix/var/nix/profiles/default/bin"
      "/run/current-system/sw/bin"
    ];
  in ''
    DefaultEnvironment="PATH=${path}"
  '';

  environment = {
    sessionVariables = {
      COSMIC_DATA_CONTROL_ENABLED = 1;
      BROWSER = "zen";
      DIRENV_WARN_TIMEOUT = "100s";
      EDITOR = "nvim";
      NIXOS_OZONE_WL = 1;
      TERMINAL = "wezterm";
    };

    systemPackages = with pkgs; [
      sound-theme-freedesktop
      uutils-coreutils-noprefix
      xclip
      yt-dlp
      (callPackage ./pkgs/sddm-theme-minesddm.nix {})
    ];
  };

  boot = {
    loader = {
      systemd-boot.enable = true;
      efi.canTouchEfiVariables = true;
    };
  };

  nix = {
    daemonCPUSchedPolicy = "batch";
    daemonIOSchedClass = "idle";
    daemonIOSchedPriority = 7;

    gc = {
      automatic = true;
      dates = "Sat *-*-* 03:00";
      options = "--delete-older-than 30d";
    };

    optimise = {
      automatic = true;
      dates = ["04:00"];
    };

    settings = {
      auto-optimise-store = true;
      builders-use-substitutes = true;
      flake-registry = "/etc/nix/registry.json";
      keep-going = true;
      log-lines = 30;
      max-jobs = "auto";
      sandbox-fallback = false;
      sandbox = true;
      system-features = [
        "nixos-test"
        "kvm"
        "recursive-nix"
        "big-parallel"
        "gccarch-x86-64-v4"
      ];
      use-cgroups = true;
      use-xdg-base-directories = true;
      warn-dirty = false;

      allowed-users = [
        "root"
        "@wheel"
        "nix-builder"
      ];
      trusted-users = [
        "root"
        "@wheel"
        "nix-builder"
      ];

      min-free = "${toString (5 * 1024 * 1024 * 1024)}";
      max-free = "${toString (10 * 1024 * 1024 * 1024)}";

      extra-experimental-features = [
        "flakes" # flakes
        "nix-command" # experimental nix commands
        "recursive-nix" # let nix invoke itself
        "ca-derivations" # content addressed nix
        "auto-allocate-uids" # allow nix to automatically pick UIDs, rather than creating nixbld* user accounts
        "cgroups" # allow nix to execute builds inside cgroups
      ];

      substituters = [
        "https://cache.nixos.org?priority=100"
        "https://cache.privatevoid.net"
        "https://cosmic.cachix.org/"
        "https://cuda-maintainers.cachix.org"
        "https://hyprland.cachix.org"
        "https://nix-community.cachix.org"
      ];

      trusted-public-keys = [
        "cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY="
        "cache.privatevoid.net:SErQ8bvNWANeAvtsOESUwVYr2VJynfuc9JRwlzTTkVg="
        "cosmic.cachix.org-1:Dya9IyXD4xdBehWjrkPv6rtxpmMdRel02smYzA85dPE="
        "cuda-maintainers.cachix.org-1:0dq3bujKpuEPMCX6U4WylrUDZ9JyUG0VpVZa7CNfq5E="
        "hyprland.cachix.org-1:a7pgxzMz7+chwVL3/pzj6jIBMioiJM7ypFP8PwtkuGc="
        "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
      ];
    };
  };

  programs = {
    dconf.enable = true;
    fish.enable = true;
    gnupg.agent.enable = true;

    appimage = {
      enable = true;
      binfmt = true;
    };

    hyprland = {
      enable = true;
      package = inputs.hyprland.packages.${pkgs.system}.hyprland;
    };

    nh = {
      enable = true;
      flake = "/home/marshall/nix-config";
    };

    obs-studio = {
      enable = true;
      enableVirtualCamera = true;
    };
  };

  time = {
    hardwareClockInLocalTime = true;
    timeZone = "America/New_York";
  };

  services = {
    flatpak.enable = true;
    getty.autologinUser = "marshall";
    gnome.gnome-keyring.enable = true;
    mullvad-vpn.enable = true;
    openssh.enable = true;

    displayManager.sddm = {
      enable = true;
      wayland.enable = true;
      wayland.compositor = "kwin";
      theme = "minesddm";
    };
    desktopManager.cosmic.enable = false;

    libinput = {
      enable = true;
      touchpad.naturalScrolling = true;
    };

    pipewire = {
      enable = true;
      pulse.enable = true;
    };
  };

  users = {
    mutableUsers = true;

    users.marshall = {
      isNormalUser = true;
      shell = pkgs.fish;

      extraGroups = [
        "disk"
        "gamemode"
        "networkmanager"
        "wheel"
      ];
    };
  };

  snowfallorg.users.marshall = {
    create = true;
    admin = true;
  };

  home-manager.useGlobalPkgs = true;

  hardware = {
    bluetooth.enable = true;
    i2c.enable = true;

    graphics = {
      enable = true;
      extraPackages = with pkgs; [
        vaapiVdpau
      ];
    };
  };

  xdg.portal = {
    enable = true;
    xdgOpenUsePortal = true;

    config.common.default = "*";

    extraPortals = [
      pkgs.xdg-desktop-portal-cosmic
      pkgs.xdg-desktop-portal-gnome
      pkgs.xdg-desktop-portal-gtk
    ];
  };

  system.stateVersion = "25.05";
}