diff --git a/configuration.nix b/configuration.nix
deleted file mode 100644
index f12c45a..0000000
--- a/configuration.nix
+++ /dev/null
@@ -1,226 +0,0 @@
-# Edit this configuration file to define what should be installed on
-# your system.  Help is available in the configuration.nix(5) man page
-# and in the NixOS manual (accessible by running ‘nixos-help’).
-
-{
-  inputs,
-  config,
-  pkgs,
-  ...
-}:
-
-{
-  imports = [
-    inputs.home-manager.nixosModules.home-manager
-  ];
-
-  home-manager = {
-    extraSpecialArgs = { inherit inputs; };
-    users = {
-      dea = import ./home.nix;
-    };
-  };
-
-  # Bootloader.
-  boot.loader.systemd-boot.enable = true;
-  boot.loader.efi.canTouchEfiVariables = true;
-
-  networking.hostName = "tohka"; # Define your hostname.
-  # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.
-
-  # Configure network proxy if necessary
-  # networking.proxy.default = "http://user:password@proxy:port/";
-  # networking.proxy.noProxy = "127.0.0.1,localhost,internal.domain";
-
-  # Enable networking
-  networking.networkmanager.enable = true;
-
-  # Set your time zone.
-  time.timeZone = "America/New_York";
-
-  # Select internationalisation properties.
-  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 the X11 windowing system.
-  # You can disable this if you're only using the Wayland session.
-  services.xserver.enable = true;
-
-  # Enable the KDE Plasma Desktop Environment.
-  services.displayManager.sddm.enable = true;
-  services.desktopManager.plasma6.enable = true;
-
-  # Configure keymap in X11
-  services.xserver.xkb = {
-    layout = "us";
-    variant = "";
-  };
-
-  # Enable CUPS to print documents.
-  services.printing.enable = true;
-
-  # Enable sound with pipewire.
-  # hardware.pulseaudio.enable = false;
-  services.pulseaudio.enable = false;
-  security.rtkit.enable = true;
-  services.pipewire = {
-    enable = true;
-    alsa.enable = true;
-    alsa.support32Bit = true;
-    pulse.enable = true;
-    # If you want to use JACK applications, uncomment this
-    #jack.enable = true;
-
-    # use the example session manager (no others are packaged yet so this is enabled by default,
-    # no need to redefine it in your config for now)
-    #media-session.enable = true;
-  };
-
-  security.polkit.enable = true;
-
-  # Enables nginx
-  services.nginx.enable = true;
-
-  # Enable touchpad support (enabled default in most desktopManager).
-  # services.xserver.libinput.enable = true;
-
-  # Define a user account. Don't forget to set a password with ‘passwd’.
-
-  # Enable docker virtualisation.
-  virtualisation.docker.enable = true;
-
-  # Install firefox.
-  programs.firefox.enable = true;
-
-  # Allow unfree packages
-  nixpkgs.config.allowUnfree = true;
-
-  # Enables nix commands + flakes
-  nix.settings.extra-experimental-features = [
-    "nix-command"
-    "flakes"
-    "pipe-operators"
-  ];
-
-  # ======================
-  # List packages installed in system profile. To search, run:
-  # $ nix search wget
-  # nixos-rebuild switch --use-remote-sudo
-  # ======================
-  # Update packages?:
-  # sudo nix-channel --update
-  # sudo nixos-rebuild switch
-  # ======================
-  # sudo nixos-rebuild switch --flake .
-  environment.systemPackages = with pkgs; [
-    wget
-    lunarvim
-    vscode
-    python3
-    p7zip
-    unzip
-    chawan # tui browser cha <url>
-    git
-    gcc
-    gdb
-    glibc.static
-    nixfmt
-
-    kitty # terminal
-    wayland
-
-    emacs # calander/todo list
-
-    nemo # file browser
-    monophony # yt music tryout
-
-    vesktop # discord-canary
-    equibop # equibop 3.1.7
-
-    vivaldi # vivaldi install requires qt5
-    qt5.qtbase
-
-    starship # shell customizer
-
-    libreoffice-qt # libreoffice
-    hunspell
-    hunspellDicts.uk_UA
-    hunspellDicts.th_TH
-    openjdk
-
-    notepad-next # notepad++
-    sqlitebrowser
-
-    ffmpeg-full
-    yt-dlp
-    qbittorrent
-
-    bottles # windows emulation
-
-    element-desktop # element 4 matrix
-  ];
-
-  # There have been amdgpu issues in 6.10 so you maybe need to revert on the default lts kernel.
-  # boot.kernelPackages = pkgs.linuxPackages;
-  programs.steam = {
-    enable = true;
-    remotePlay.openFirewall = true; # Open ports in the firewall for Steam Remote Play
-    dedicatedServer.openFirewall = true; # Open ports in the firewall for Source Dedicated Server
-  };
-
-  services.mullvad-vpn = {
-    enable = true;
-    package = pkgs.mullvad-vpn; # mullvad only has the cli
-  };
-
-  programs.nix-ld = {
-    enable = true;
-    libraries = with pkgs; [
-      ## Put here any library that is required when running a package
-      ## ...
-      ## Uncomment if you want to use the libraries provided by default in the steam distribution
-      ## but this is quite far from being exhaustive
-      ## https://github.com/NixOS/nixpkgs/issues/354513
-      (pkgs.runCommand "steamrun-lib" { } "mkdir $out; ln -s ${pkgs.steam-run.fhsenv}/usr/lib64 $out/lib")
-    ];
-  };
-
-  # Some programs need SUID wrappers, can be configured further or are
-  # started in user sessions.
-  # programs.mtr.enable = true;
-  # programs.gnupg.agent = {
-  #   enable = true;
-  #   enableSSHSupport = true;
-  # };
-
-  # List services that you want to enable:
-
-  # Enable the OpenSSH daemon.
-  # services.openssh.enable = true;
-
-  # Open ports in the firewall.
-  # networking.firewall.allowedTCPPorts = [ ... ];
-  # networking.firewall.allowedUDPPorts = [ ... ];
-  # Or disable the firewall altogether.
-  # networking.firewall.enable = false;
-
-  # This value determines the NixOS release from which the default
-  # settings for stateful data, like file locations and database versions
-  # on your system were taken. It‘s perfectly fine and recommended to leave
-  # this value at the release version of the first install of this system.
-  # Before changing this value read the documentation for this option
-  # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
-  system.stateVersion = "24.11"; # Did you read the comment?
-
-}
diff --git a/exprs/overlay.nix b/exprs/overlay.nix
deleted file mode 100644
index 2fae41b..0000000
--- a/exprs/overlay.nix
+++ /dev/null
@@ -1,14 +0,0 @@
-inputs: final: prev: {
-  waywall = prev.waywall.overrideAttrs (
-    f: p: {
-      version = "0-unstable-2026-01-06";
-
-      src = prev.fetchFromGitHub {
-        owner = "tesselslate";
-        repo = "waywall";
-        rev = "c6504f95f8d757a2e060c4df8bd3ed145ad59e8d";
-        hash = "sha256-kfBsppc+esz0Q6iIIKAeOMwkIWdN12AlH3Dji8bU32c=";
-      };
-    }
-  );
-}
\ No newline at end of file
diff --git a/flake.lock b/flake.lock
index ebc50a0..fd1417c 100644
--- a/flake.lock
+++ b/flake.lock
@@ -1,17 +1,147 @@
 {
   "nodes": {
-    "home-manager": {
+    "cerulean": {
       "inputs": {
+        "deploy-rs": "deploy-rs",
+        "microvm": "microvm",
         "nixpkgs": [
+          "nixpkgs-unstable"
+        ],
+        "nt": "nt",
+        "sops-nix": "sops-nix",
+        "systems": [
+          "systems"
+        ]
+      },
+      "locked": {
+        "lastModified": 1774498035,
+        "narHash": "sha256-7TS/1kjtiVYx9tfzMi5s01Zfc8GloygBVihEaU5+wDs=",
+        "owner": "cry128",
+        "repo": "cerulean",
+        "rev": "22c31ad331145a25125c165d96bd898ae9f3c916",
+        "type": "github"
+      },
+      "original": {
+        "owner": "cry128",
+        "ref": "refactor/snowflake",
+        "repo": "cerulean",
+        "type": "github"
+      }
+    },
+    "deploy-rs": {
+      "inputs": {
+        "flake-compat": "flake-compat",
+        "nixpkgs": [
+          "cerulean",
+          "nixpkgs"
+        ],
+        "utils": "utils"
+      },
+      "locked": {
+        "lastModified": 1770019181,
+        "narHash": "sha256-hwsYgDnby50JNVpTRYlF3UR/Rrpt01OrxVuryF40CFY=",
+        "owner": "serokell",
+        "repo": "deploy-rs",
+        "rev": "77c906c0ba56aabdbc72041bf9111b565cdd6171",
+        "type": "github"
+      },
+      "original": {
+        "owner": "serokell",
+        "repo": "deploy-rs",
+        "type": "github"
+      }
+    },
+    "flake-compat": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1733328505,
+        "narHash": "sha256-NeCCThCEP3eCl2l/+27kNNK7QrwZB1IJCrXfrbv5oqU=",
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "rev": "ff81ac966bb2cae68946d5ed5fc4994f96d0ffec",
+        "type": "github"
+      },
+      "original": {
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "type": "github"
+      }
+    },
+    "flake-parts": {
+      "inputs": {
+        "nixpkgs-lib": [
+          "cerulean",
+          "nt",
+          "nix-unit",
           "nixpkgs"
         ]
       },
       "locked": {
-        "lastModified": 1771756436,
-        "narHash": "sha256-Tl2I0YXdhSTufGqAaD1ySh8x+cvVsEI1mJyJg12lxhI=",
+        "lastModified": 1762440070,
+        "narHash": "sha256-xxdepIcb39UJ94+YydGP221rjnpkDZUlykKuF54PsqI=",
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "rev": "26d05891e14c88eb4a5d5bee659c0db5afb609d8",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "type": "github"
+      }
+    },
+    "flake-parts_2": {
+      "inputs": {
+        "nixpkgs-lib": "nixpkgs-lib"
+      },
+      "locked": {
+        "lastModified": 1782949081,
+        "narHash": "sha256-vp6Y/Grm98ESt6ceOkWiHWyZRDV3J1RID4w+6NWK9yA=",
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "rev": "17c9d6cdfc60c64f4ee8d306f9bc0b4ccb51481e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "type": "github"
+      }
+    },
+    "flake-utils": {
+      "inputs": {
+        "systems": [
+          "mango",
+          "scenefx",
+          "systems"
+        ]
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "home-manager-unstable": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs-unstable"
+        ]
+      },
+      "locked": {
+        "lastModified": 1784913159,
+        "narHash": "sha256-JWq0BfjO4ktpH5USfQNQzdvHpIDT8fSKD5K7LvdMRFs=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "5bd3589390b431a63072868a90c0f24771ff4cbb",
+        "rev": "079a3b5d1aa6a719920a51316253b7d6dd22738d",
         "type": "github"
       },
       "original": {
@@ -20,6 +150,90 @@
         "type": "github"
       }
     },
+    "mango": {
+      "inputs": {
+        "flake-parts": "flake-parts_2",
+        "nixpkgs": [
+          "nixpkgs-unstable"
+        ],
+        "scenefx": "scenefx"
+      },
+      "locked": {
+        "lastModified": 1785033711,
+        "narHash": "sha256-8NLTWtOMa9FUjEPguV8eHL8fLuNRsY1lAM4uBNZGK+Y=",
+        "owner": "mangowm",
+        "repo": "mango",
+        "rev": "1b6e01d72c1985024235be044ad8799ed0f8326a",
+        "type": "github"
+      },
+      "original": {
+        "owner": "mangowm",
+        "repo": "mango",
+        "type": "github"
+      }
+    },
+    "microvm": {
+      "inputs": {
+        "nixpkgs": [
+          "cerulean",
+          "nixpkgs"
+        ],
+        "spectrum": "spectrum"
+      },
+      "locked": {
+        "lastModified": 1773018425,
+        "narHash": "sha256-fpgZBmZpKoEXEowBK/6m8g9FcOLWQ4UxhXHqCw2CpSM=",
+        "owner": "microvm-nix",
+        "repo": "microvm.nix",
+        "rev": "25ebda3c558e923720c965832dc9a04f559a055c",
+        "type": "github"
+      },
+      "original": {
+        "owner": "microvm-nix",
+        "repo": "microvm.nix",
+        "type": "github"
+      }
+    },
+    "millennium": {
+      "inputs": {
+        "millennium-src": "millennium-src",
+        "nixpkgs": [
+          "nixpkgs-unstable"
+        ]
+      },
+      "locked": {
+        "dir": "packages/nix",
+        "lastModified": 1784860807,
+        "narHash": "sha256-nznQFS9H8er9bTwxKG4LSa2D0lGsxIPUqDuWa1rbJkA=",
+        "owner": "SteamClientHomebrew",
+        "repo": "millennium",
+        "rev": "266e41ea8924c41e51145ae986a9bdf68f9415d9",
+        "type": "github"
+      },
+      "original": {
+        "dir": "packages/nix",
+        "owner": "SteamClientHomebrew",
+        "repo": "millennium",
+        "type": "github"
+      }
+    },
+    "millennium-src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1783268941,
+        "narHash": "sha256-MJLJ0I48HXgfOpISTAbDMYMUdWj9A6M+jGQz4uAvwyw=",
+        "owner": "SteamClientHomebrew",
+        "repo": "Millennium",
+        "rev": "f37f05bdbd4727d873a1ad83ce72d062ef9a0c48",
+        "type": "github"
+      },
+      "original": {
+        "owner": "SteamClientHomebrew",
+        "repo": "Millennium",
+        "rev": "f37f05bdbd4727d873a1ad83ce72d062ef9a0c48",
+        "type": "github"
+      }
+    },
     "nix-flatpak": {
       "locked": {
         "lastModified": 1767983141,
@@ -36,13 +250,61 @@
         "type": "github"
       }
     },
+    "nix-github-actions": {
+      "inputs": {
+        "nixpkgs": [
+          "cerulean",
+          "nt",
+          "nix-unit",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1737420293,
+        "narHash": "sha256-F1G5ifvqTpJq7fdkT34e/Jy9VCyzd5XfJ9TO8fHhJWE=",
+        "owner": "nix-community",
+        "repo": "nix-github-actions",
+        "rev": "f4158fa080ef4503c8f4c820967d946c2af31ec9",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "nix-github-actions",
+        "type": "github"
+      }
+    },
+    "nix-unit": {
+      "inputs": {
+        "flake-parts": "flake-parts",
+        "nix-github-actions": "nix-github-actions",
+        "nixpkgs": [
+          "cerulean",
+          "nt",
+          "nixpkgs"
+        ],
+        "treefmt-nix": "treefmt-nix"
+      },
+      "locked": {
+        "lastModified": 1762774186,
+        "narHash": "sha256-hRADkHjNt41+JUHw2EiSkMaL4owL83g5ZppjYUdF/Dc=",
+        "owner": "nix-community",
+        "repo": "nix-unit",
+        "rev": "1c9ab50554eed0b768f9e5b6f646d63c9673f0f7",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "nix-unit",
+        "type": "github"
+      }
+    },
     "nixcats": {
       "locked": {
-        "lastModified": 1770584904,
-        "narHash": "sha256-9Zaz8lbKF2W9pwXZEnbiGsicHdBoU+dHt3Wv3mCJoZ8=",
+        "lastModified": 1777273601,
+        "narHash": "sha256-xBUa8Tl9V7IXI+VmLEuDc81La/EhoSn1C3EVSnJ3cfU=",
         "owner": "BirdeeHub",
         "repo": "nixCats-nvim",
-        "rev": "538fdde784d2909700d97a8ef307783b33a86fb1",
+        "rev": "f69ea013e328841a7def7037ed59788a76be8816",
         "type": "github"
       },
       "original": {
@@ -53,11 +315,42 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1771369470,
-        "narHash": "sha256-0NBlEBKkN3lufyvFegY4TYv5mCNHbi5OmBDrzihbBMQ=",
+        "lastModified": 1767313136,
+        "narHash": "sha256-16KkgfdYqjaeRGBaYsNrhPRRENs0qzkQVUooNHtoy2w=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "0182a361324364ae3f436a63005877674cf45efb",
+        "rev": "ac62194c3917d5f474c1a844b6fd6da2db95077d",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-25.05",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs-lib": {
+      "locked": {
+        "lastModified": 1782614948,
+        "narHash": "sha256-ePjCwr1sNm9NYUqywL7QfK3JnlS015msC+eBu2zKlp8=",
+        "owner": "nix-community",
+        "repo": "nixpkgs.lib",
+        "rev": "db3f255737b94216eb71cce308e2912cf6bc2d7c",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "nixpkgs.lib",
+        "type": "github"
+      }
+    },
+    "nixpkgs-unstable": {
+      "locked": {
+        "lastModified": 1784796856,
+        "narHash": "sha256-wWFrV5/Qbm+lyt5x20E/bSbfJiGKMo4RCxZV8cl/WZI=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "e2587caef70cea85dd97d7daab492899902dbf5d",
         "type": "github"
       },
       "original": {
@@ -67,21 +360,56 @@
         "type": "github"
       }
     },
+    "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1785030361,
+        "narHash": "sha256-CzyekASpsH73NBvS2IQxyDd3Se0RiX4u6tqMBhiIEFU=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "c19bef392dec3a8bfd60dbd1f4013233b8af9cf5",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nt": {
+      "inputs": {
+        "nix-unit": "nix-unit",
+        "nixpkgs": "nixpkgs",
+        "systems": "systems_2"
+      },
+      "locked": {
+        "lastModified": 1773738366,
+        "narHash": "sha256-oH22HyNHEdCoCQo734sQCHUr6C0jmGQJMZ13dsgEHkk=",
+        "owner": "cry128",
+        "repo": "nt",
+        "rev": "f32c3a726a3d608d30aaaa1df2301c1eaf5ef8f4",
+        "type": "github"
+      },
+      "original": {
+        "owner": "cry128",
+        "repo": "nt",
+        "type": "github"
+      }
+    },
     "plasma-manager": {
       "inputs": {
         "home-manager": [
-          "home-manager"
+          "home-manager-unstable"
         ],
         "nixpkgs": [
-          "nixpkgs"
+          "nixpkgs-unstable"
         ]
       },
       "locked": {
-        "lastModified": 1770766818,
-        "narHash": "sha256-12RCFLyAedyMOdenUi7cN3ioJPEGjA/ZG1BLjugfUVs=",
+        "lastModified": 1783574839,
+        "narHash": "sha256-ICof1tV4/9XheBLBGf7dhMhfMq4dOs1zwTHrr7zGFlA=",
         "owner": "nix-community",
         "repo": "plasma-manager",
-        "rev": "44b928068359b7d2310a34de39555c63c93a2c90",
+        "rev": "c551f0687658e4bb699cfff6015436ad7ee57a0d",
         "type": "github"
       },
       "original": {
@@ -92,11 +420,222 @@
     },
     "root": {
       "inputs": {
-        "home-manager": "home-manager",
+        "cerulean": "cerulean",
+        "home-manager-unstable": "home-manager-unstable",
+        "mango": "mango",
+        "millennium": "millennium",
         "nix-flatpak": "nix-flatpak",
         "nixcats": "nixcats",
-        "nixpkgs": "nixpkgs",
-        "plasma-manager": "plasma-manager"
+        "nixpkgs": "nixpkgs_2",
+        "nixpkgs-unstable": "nixpkgs-unstable",
+        "plasma-manager": "plasma-manager",
+        "sddm-silent": "sddm-silent",
+        "systems": "systems_4",
+        "zen-browser": "zen-browser"
+      }
+    },
+    "scenefx": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": [
+          "mango",
+          "nixpkgs"
+        ],
+        "systems": "systems_3"
+      },
+      "locked": {
+        "lastModified": 1782624992,
+        "narHash": "sha256-vUjLG6eubEhJJVa9LPygIcVmNoHwYbSUTJcWEcbxnU4=",
+        "owner": "wlrfx",
+        "repo": "scenefx",
+        "rev": "37ccd723bef49e6891156ffafce8f549f01446cc",
+        "type": "github"
+      },
+      "original": {
+        "owner": "wlrfx",
+        "repo": "scenefx",
+        "type": "github"
+      }
+    },
+    "sddm-silent": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs-unstable"
+        ]
+      },
+      "locked": {
+        "lastModified": 1785015872,
+        "narHash": "sha256-7dTNd8o3xInMXSBRkRCkHAGQc+e0mrlljDGTXKhk6I0=",
+        "owner": "uiriansan",
+        "repo": "SilentSDDM",
+        "rev": "da69191d32721c1f093d13bfd803e8d8000bd712",
+        "type": "github"
+      },
+      "original": {
+        "owner": "uiriansan",
+        "repo": "SilentSDDM",
+        "type": "github"
+      }
+    },
+    "sops-nix": {
+      "inputs": {
+        "nixpkgs": [
+          "cerulean",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1773096132,
+        "narHash": "sha256-M3zEnq9OElB7zqc+mjgPlByPm1O5t2fbUrH3t/Hm5Ag=",
+        "owner": "Mic92",
+        "repo": "sops-nix",
+        "rev": "d1ff3b1034d5bab5d7d8086a7803c5a5968cd784",
+        "type": "github"
+      },
+      "original": {
+        "owner": "Mic92",
+        "repo": "sops-nix",
+        "type": "github"
+      }
+    },
+    "spectrum": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1772189877,
+        "narHash": "sha256-i1p90Rgssb//aNiTDFq46ZG/fk3LmyRLChtp/9lddyA=",
+        "ref": "refs/heads/main",
+        "rev": "fe39e122d898f66e89ffa17d4f4209989ccb5358",
+        "revCount": 1255,
+        "type": "git",
+        "url": "https://spectrum-os.org/git/spectrum"
+      },
+      "original": {
+        "type": "git",
+        "url": "https://spectrum-os.org/git/spectrum"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    },
+    "systems_2": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    },
+    "systems_3": {
+      "locked": {
+        "lastModified": 1689347949,
+        "narHash": "sha256-12tWmuL2zgBgZkdoB6qXZsgJEH9LR3oUgpaQq2RbI80=",
+        "owner": "nix-systems",
+        "repo": "default-linux",
+        "rev": "31732fcf5e8fea42e59c2488ad31a0e651500f68",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default-linux",
+        "type": "github"
+      }
+    },
+    "systems_4": {
+      "locked": {
+        "lastModified": 1689347949,
+        "narHash": "sha256-12tWmuL2zgBgZkdoB6qXZsgJEH9LR3oUgpaQq2RbI80=",
+        "owner": "nix-systems",
+        "repo": "default-linux",
+        "rev": "31732fcf5e8fea42e59c2488ad31a0e651500f68",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default-linux",
+        "type": "github"
+      }
+    },
+    "treefmt-nix": {
+      "inputs": {
+        "nixpkgs": [
+          "cerulean",
+          "nt",
+          "nix-unit",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1762410071,
+        "narHash": "sha256-aF5fvoZeoXNPxT0bejFUBXeUjXfHLSL7g+mjR/p5TEg=",
+        "owner": "numtide",
+        "repo": "treefmt-nix",
+        "rev": "97a30861b13c3731a84e09405414398fbf3e109f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "treefmt-nix",
+        "type": "github"
+      }
+    },
+    "utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "zen-browser": {
+      "inputs": {
+        "home-manager": [
+          "home-manager-unstable"
+        ],
+        "nixpkgs": [
+          "nixpkgs-unstable"
+        ]
+      },
+      "locked": {
+        "lastModified": 1784985989,
+        "narHash": "sha256-Mz4G81HXJlUtHoJtA31D+Ob7uma2BX7E/y7F9QazuFc=",
+        "owner": "0xc000022070",
+        "repo": "zen-browser-flake",
+        "rev": "a8f9b6d014c9cfe0615dccb2bc7808713f6e62c2",
+        "type": "github"
+      },
+      "original": {
+        "owner": "0xc000022070",
+        "repo": "zen-browser-flake",
+        "type": "github"
       }
     }
   },
diff --git a/flake.nix b/flake.nix
index dece79e..3268352 100644
--- a/flake.nix
+++ b/flake.nix
@@ -2,56 +2,52 @@
   description = "release the dea files";
 
   inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
-    home-manager.url = "github:nix-community/home-manager";
-    home-manager.inputs.nixpkgs.follows = "nixpkgs";
+    systems.url = "github:nix-systems/default-linux";
+
+    nixpkgs.url = "github:NixOS/nixpkgs";
+    nixpkgs-unstable.url = "github:NixOS/nixpkgs/nixos-unstable";
+    home-manager-unstable.url = "github:nix-community/home-manager";
+    home-manager-unstable.inputs.nixpkgs.follows = "nixpkgs-unstable";
+
+    cerulean.url = "github:cry128/cerulean/refactor/snowflake";
+    cerulean.inputs.systems.follows = "systems";
+    cerulean.inputs.nixpkgs.follows = "nixpkgs-unstable";
+
+    zen-browser = {
+      url = "github:0xc000022070/zen-browser-flake";
+      inputs.nixpkgs.follows = "nixpkgs-unstable";
+      inputs.home-manager.follows = "home-manager-unstable";
+    };
+ 
     nix-flatpak.url = "github:gmodena/nix-flatpak/?ref=latest";
     nixcats.url = "github:BirdeeHub/nixCats-nvim";
 
+    millennium = {
+      url = "github:SteamClientHomebrew/millennium?dir=packages/nix";
+      inputs.nixpkgs.follows = "nixpkgs-unstable";
+    };
+
     plasma-manager = {
       url = "github:nix-community/plasma-manager";
-      inputs.nixpkgs.follows = "nixpkgs";
-      inputs.home-manager.follows = "home-manager";
+      inputs.nixpkgs.follows = "nixpkgs-unstable";
+      inputs.home-manager.follows = "home-manager-unstable";
     };
-  };
+
+    mango = {
+      url = "github:mangowm/mango";
+      inputs.nixpkgs.follows = "nixpkgs-unstable";
+    };
+
+    sddm-silent = {
+      url = "github:uiriansan/SilentSDDM";
+      inputs.nixpkgs.follows = "nixpkgs-unstable";
+    };
+};
   
   nixConfig = {
     extra-experimental-features = "pipe-operators";
   };
 
-  outputs =
-    inputs@{ self, nixpkgs, nixcats, ... }:
-    let
-      lib = nixpkgs.lib;
-
-      commonModules = [
-        ./configuration.nix
-        ./user.nix
-        inputs.nix-flatpak.nixosModules.nix-flatpak
-      ];
-    in
-    {
-      # laptop
-      nixosConfigurations.nahemah = lib.nixosSystem {
-        specialArgs = {
-          host = "nahemah";
-          inherit inputs;
-        };
-        modules = [
-          ./hosts/nahemah/hardware-configuration.nix
-        ]
-        ++ commonModules;
-      };
-
-      # pc
-      nixosConfigurations.sandalphon = lib.nixosSystem {
-        specialArgs = { inherit inputs; };
-        modules = [
-          ./hosts/sandalphon/hardware-configuration.nix
-          ./hosts/sandalphon/configuration.nix
-          ./hosts/sandalphon/games.nix
-        ]
-        ++ commonModules;
-      };
-    };
+  outputs = {cerulean, ...} @ inputs:
+    cerulean.snow.flake inputs ./.;
 }
diff --git a/groups/all/default.nix b/groups/all/default.nix
new file mode 100644
index 0000000..ab72c63
--- /dev/null
+++ b/groups/all/default.nix
@@ -0,0 +1,30 @@
+# configuration shared by all cerulean nodes
+{lib, ...}: {
+  nix.settings.extra-experimental-features = [
+    "nix-command"
+    "flakes"
+    "pipe-operators"
+  ];
+
+  boot.loader.systemd-boot.enable = lib.mkDefault true;
+  boot.loader.efi.canTouchEfiVariables = true;
+
+  networking.hostName = lib.mkDefault "tohka";
+  networking.networkmanager.enable = true;
+  networking.nftables.enable = true; # firewall
+  networking.firewall.enable = true;
+
+  time.timeZone = lib.mkDefault "America/New_York";
+  i18n.defaultLocale = lib.mkDefault "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";
+  };
+}
diff --git a/groups/yezelhlev/default.nix b/groups/yezelhlev/default.nix
new file mode 100644
index 0000000..0a16c0f
--- /dev/null
+++ b/groups/yezelhlev/default.nix
@@ -0,0 +1,109 @@
+{
+  pkgs,
+  root,
+  lib, # temp call for services.displayManager.sddm.wayland.enable
+  ...
+}: {
+  imports = [
+    ./programs.nix
+    /${root}/hosts/modules/steam.nix
+  ];
+
+  # Configure keymap in X11
+  services.xserver.enable = true;
+  services.xserver.xkb = {
+    layout = "us";
+    variant = "";
+  };
+  # Enable the KDE Plasma Desktop Environment.
+  services.displayManager.sddm = {
+    enable = true;
+    wayland.enable = lib.mkDefault true;
+  };
+
+  services.desktopManager.plasma6.enable = true;
+
+  # Enable CUPS to print documents.
+  services.printing.enable = true;
+
+  security.rtkit.enable = true;
+  services.pipewire = {
+    enable = true;
+    audio.enable = true;
+    wireplumber.enable = true;
+
+    alsa.enable = true;
+    alsa.support32Bit = true;
+    # pulse.enable = true;
+    # jack.enable = true;
+  };
+
+  security.polkit.enable = true;
+
+  services.nginx.enable = true;
+
+  services.mullvad-vpn = {
+    enable = true;
+    package = pkgs.mullvad-vpn; # mullvad only has the cli
+  };
+
+  # Enable docker virtualisation.
+  virtualisation.docker.enable = true;
+
+  programs.nix-ld = {
+    enable = true;
+    libraries = [
+      ## Put here any library that is required when running a package
+      ## ...
+      ## Uncomment if you want to use the libraries provided by default in the steam distribution
+      ## but this is quite far from being exhaustive
+      ## https://github.com/NixOS/nixpkgs/issues/354513
+      (pkgs.runCommand "steamrun-lib" {} "mkdir $out; ln -s ${pkgs.steam-run.fhsenv}/usr/lib64 $out/lib")
+    ];
+  };
+
+  programs.nh = {
+    enable = true;
+    clean.enable = true;
+    clean.extraArgs = "--keep-since 7d --keep 3";
+    flake = "/home/dea/dea-files"; # sets NH_OS_FLAKE variable for you
+  };
+
+  programs.mango = {
+    enable = false; # TODO: enable mango after configuring
+  };
+
+  programs.silentSDDM = {
+    enable = true;
+    theme = "default";
+  };
+
+  users.users.dea = {
+    description = "dea";
+    isNormalUser = true;
+    extraGroups = [
+      "networkmanager"
+      "wheel"
+      "docker"
+    ];
+    packages = with pkgs; [
+      kdePackages.kate
+      #  thunderbird
+    ];
+  };
+
+  # Better alternative to the standard ssh-agent
+  # services.pcscd.enable = true;
+  # programs.gnupg.agent = {
+  #   enable = true;
+  #   enableSSHSupport = true;
+  # };
+
+  # This value determines the NixOS release from which the default
+  # settings for stateful data, like file locations and database versions
+  # on your system were taken. It‘s perfectly fine and recommended to leave
+  # this value at the release version of the first install of this system.
+  # Before changing this value read the documentation for this option
+  # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
+  system.stateVersion = "24.11"; # Did you read the comment?
+}
diff --git a/groups/yezelhlev/programs.nix b/groups/yezelhlev/programs.nix
new file mode 100644
index 0000000..8172e93
--- /dev/null
+++ b/groups/yezelhlev/programs.nix
@@ -0,0 +1,74 @@
+{upkgs, ...}: {
+  # ======================
+  # List packages installed in system profile. To search, run:
+  # $ nix search wget
+  # nixos-rebuild switch --use-remote-sudo
+  # ======================
+  # Update packages?:
+  # sudo nix-channel --update
+  # sudo nixos-rebuild switch
+  # ======================
+  # sudo nixos-rebuild switch --flake .
+  environment.systemPackages = with upkgs; [
+    # CLI tools
+    git
+    lazygit
+    wget
+    unzip
+    p7zip
+    kitty # terminal
+    starship # shell customizer
+    tree
+    btop-cuda # system monitoring
+    croc # e2ee file transfer
+    chawan # tui browser cha <url>
+    shellcheck # sh warning
+    calcure # calendar app TODO: remove & fork calendar.vim
+    
+    # fonts
+    nerd-fonts.droid-sans-mono
+
+    # editors
+    vscode
+
+    # languages
+    gcc
+    gdb
+    glibc.static
+    python3
+    nixfmt
+
+    # window management
+    wayland
+    waywall
+    pipewire
+
+    # programs 
+    vivaldi # TODO: switch to zen later
+    vesktop # discord-canary
+    equibop # equibop 3.1.7
+    element-desktop # element 4 matrix
+    monophony # yt music tryout
+    syncplay
+    qbittorrent
+    libreoffice-qt # libreoffice
+    notepad-next # notepad++
+    # notepadqq # TODO: which is better?
+    sqlitebrowser
+    bottles # windows emulation
+
+    # dependencies 
+    libsForQt5.qtbase # vivaldi + others
+    libsForQt5.qtstyleplugin-kvantum # libs for Qt5
+    libsForQt5.qt5ct
+    qt5.qtbase
+
+    hunspell # spellcheck for libreoffice
+    hunspellDicts.uk_UA
+    hunspellDicts.th_TH
+    openjdk
+
+    ffmpeg-full # mpv + syncplay
+    yt-dlp
+  ];
+}
diff --git a/home.nix b/home.nix
deleted file mode 100644
index 12f30b0..0000000
--- a/home.nix
+++ /dev/null
@@ -1,80 +0,0 @@
-{
-  pkgs,
-  inputs,
-  ...
-}:
-
-{
-  # Enables nix commands + flakes - set in configuration.nix
-  # nix = {
-  #   settings.extra-experimental-features = [
-  #     "nix-command"
-  #     "flakes"
-  #     "pipe-operators"
-  #   ];
-  # };
-
-  # Home manager things
-  home.username = "dea";
-  home.homeDirectory = "/home/dea";
-  home.stateVersion = "25.11";
-  home.packages = with pkgs; [
-    libsForQt5.qtstyleplugin-kvantum # libs for Qt5
-    libsForQt5.qt5ct
-    libsForQt5.qt5.qtbase
-    btop-cuda
-
-    croc
-    syncplay
-  ];
-
-  # programs.neovim = { };
-
-  home.sessionPath = [
-    "$HOME/.local/bin"
-  ];
-
-  nixpkgs.config.allowUnfree = true;
-  nixpkgs.overlays = [
-    (import ./exprs/overlay.nix { })
-    (self: super: {
-      element-desktop = super.element-desktop.overrideAttrs (
-        final: prev: {
-          desktopItems = [
-            ((builtins.elemAt prev.desktopItems 0).override {
-              exec = "element-desktop %u --password-store=\"gnome-libsecret\"";
-            })
-          ];
-        }
-      );
-    })
-  ];
-  imports = [
-    ./homemanager/mpv.nix
-    ./hosts/sandalphon/mcsr/home.nix
-    ./homemanager/vim/nixcats.nix
-    inputs.plasma-manager.homeModules.plasma-manager
-  ];
-
-  # dconf.settings = {};
-
-  # home = {};
-
-  programs.bash = {
-    enable = true;
-    bashrcExtra = builtins.readFile ./homemanager/bashrc;
-  };
-
-  programs.starship = {
-    enable = true;
-    settings = builtins.readFile ./homemanager/starship.toml
-            |> builtins.fromTOML;
-  };
-
-  programs.plasma = {
-    enable = true;
-    kwin.edgeBarrier = 50;
-  };
-
-  programs.home-manager.enable = true;
-}
diff --git a/homemanager/bashrc b/homemanager/bashrc
deleted file mode 100644
index 1947c6f..0000000
--- a/homemanager/bashrc
+++ /dev/null
@@ -1,17 +0,0 @@
-eval "$(starship init bash)"
-
-alias eep='systemctl suspend'
-alias hibernate='systemctl hybrid-sleep'
-alias restart='systemctl reboot'
-alias shutdown='systemctl poweroff'
-alias vim='dvim'
-alias nvim='dvim'
-rebuild() {
-    if [ -z "$1" ]
-        then
-            sudo nixos-rebuild switch --flake ~/dea-files#"$(hostname)"
-    else
-        sudo nixos-rebuild switch --flake ~/dea-files#"$1"
-    fi
-}
-[ -f "/home/dea/.ghcup/env" ] && . "/home/dea/.ghcup/env" # ghcup-env
diff --git a/homes/dea/default.nix b/homes/dea/default.nix
new file mode 100644
index 0000000..0a41632
--- /dev/null
+++ b/homes/dea/default.nix
@@ -0,0 +1,42 @@
+{
+  config,
+  inputs,
+  root,
+  ...
+}: {
+  imports = [
+    inputs.plasma-manager.homeModules.plasma-manager # 
+
+    #/${root}/homes/modules/shell
+    /${root}/homes/modules/bash
+    /${root}/homes/modules/starship
+    /${root}/homes/modules/vim
+    /${root}/homes/modules/mpv
+    /${root}/homes/modules/zen
+    /${root}/homes/modules/wm
+  ];
+
+  home.username = "dea";
+  home.homeDirectory = "/home/dea";
+  home.sessionPath = [
+    "$HOME/.local/bin"
+  ];
+  home.shellAliases = {
+    eep = "systemctl suspend";
+    hibernate = "systemctl hybrid-sleep";
+    restart = "systemctl reboot";
+    shutdown = "systemctl poweroff";
+    vim = "dvim";
+    nvim = "dvim";
+    rebuild = "nh os switch ~/dea-files";
+    trybuild = "nh os test ~/dea-files";
+  };
+
+  programs.plasma = {
+    enable = true;
+    kwin.edgeBarrier = 50;
+  };
+
+  # DO NOT MODIFY
+  home.stateVersion = "25.11";
+}
diff --git a/homes/modules/bash/bashrc b/homes/modules/bash/bashrc
new file mode 100644
index 0000000..b1070af
--- /dev/null
+++ b/homes/modules/bash/bashrc
@@ -0,0 +1,3 @@
+eval "$(starship init bash)"
+
+[ -f "/home/dea/.ghcup/env" ] && . "/home/dea/.ghcup/env" # ghcup-env
diff --git a/homes/modules/bash/default.nix b/homes/modules/bash/default.nix
new file mode 100644
index 0000000..8078099
--- /dev/null
+++ b/homes/modules/bash/default.nix
@@ -0,0 +1,6 @@
+{...}: {
+  programs.bash = {
+    enable = true;
+    bashrcExtra = builtins.readFile ./bashrc;
+  };
+}
diff --git a/homemanager/mpv.nix b/homes/modules/mpv/default.nix
similarity index 100%
rename from homemanager/mpv.nix
rename to homes/modules/mpv/default.nix
diff --git a/homes/modules/starship/default.nix b/homes/modules/starship/default.nix
new file mode 100644
index 0000000..39017df
--- /dev/null
+++ b/homes/modules/starship/default.nix
@@ -0,0 +1,8 @@
+{...}: {
+  programs.starship = {
+    enable = true;
+    settings =
+      builtins.readFile ./starship.toml
+      |> builtins.fromTOML;
+  };
+}
diff --git a/homemanager/starship.toml b/homes/modules/starship/starship.toml
similarity index 100%
rename from homemanager/starship.toml
rename to homes/modules/starship/starship.toml
diff --git a/homes/modules/vim/default.nix b/homes/modules/vim/default.nix
new file mode 100644
index 0000000..c42d9b4
--- /dev/null
+++ b/homes/modules/vim/default.nix
@@ -0,0 +1 @@
+import ./nixcats.nix
diff --git a/homemanager/vim/init.lua b/homes/modules/vim/init.lua
similarity index 100%
rename from homemanager/vim/init.lua
rename to homes/modules/vim/init.lua
diff --git a/homemanager/vim/lua/lsp/capabilities.lua b/homes/modules/vim/lua/lsp/capabilities.lua
similarity index 100%
rename from homemanager/vim/lua/lsp/capabilities.lua
rename to homes/modules/vim/lua/lsp/capabilities.lua
diff --git a/homemanager/vim/lua/lsp/completion.lua b/homes/modules/vim/lua/lsp/completion.lua
similarity index 100%
rename from homemanager/vim/lua/lsp/completion.lua
rename to homes/modules/vim/lua/lsp/completion.lua
diff --git a/homemanager/vim/lua/lsp/indentation.lua b/homes/modules/vim/lua/lsp/indentation.lua
similarity index 66%
rename from homemanager/vim/lua/lsp/indentation.lua
rename to homes/modules/vim/lua/lsp/indentation.lua
index df7c2a8..edab845 100644
--- a/homemanager/vim/lua/lsp/indentation.lua
+++ b/homes/modules/vim/lua/lsp/indentation.lua
@@ -7,6 +7,15 @@ vim.api.nvim_create_autocmd("FileType", {
   end,
 })
 
+vim.api.nvim_create_autocmd("FileType", {
+  pattern = "hs",
+  callback = function()
+    vim.opt_local.shiftwidth = 2
+    vim.opt_local.tabstop = 2
+    vim.opt_local.expandtab = true
+  end,
+})
+
 vim.api.nvim_create_autocmd("FileType", {
   pattern = "nix",
   callback = function()
diff --git a/homemanager/vim/lua/lsp/init.lua b/homes/modules/vim/lua/lsp/init.lua
similarity index 100%
rename from homemanager/vim/lua/lsp/init.lua
rename to homes/modules/vim/lua/lsp/init.lua
diff --git a/homemanager/vim/lua/lsp/lsp.lua b/homes/modules/vim/lua/lsp/lsp.lua
similarity index 100%
rename from homemanager/vim/lua/lsp/lsp.lua
rename to homes/modules/vim/lua/lsp/lsp.lua
diff --git a/homemanager/vim/lua/plugins/comment.lua b/homes/modules/vim/lua/plugins/comment.lua
similarity index 100%
rename from homemanager/vim/lua/plugins/comment.lua
rename to homes/modules/vim/lua/plugins/comment.lua
diff --git a/homemanager/vim/lua/plugins/dressing.lua b/homes/modules/vim/lua/plugins/dressing.lua
similarity index 100%
rename from homemanager/vim/lua/plugins/dressing.lua
rename to homes/modules/vim/lua/plugins/dressing.lua
diff --git a/homemanager/vim/lua/plugins/format.lua b/homes/modules/vim/lua/plugins/format.lua
similarity index 100%
rename from homemanager/vim/lua/plugins/format.lua
rename to homes/modules/vim/lua/plugins/format.lua
diff --git a/homemanager/vim/lua/plugins/fyler.lua b/homes/modules/vim/lua/plugins/fyler.lua
similarity index 100%
rename from homemanager/vim/lua/plugins/fyler.lua
rename to homes/modules/vim/lua/plugins/fyler.lua
diff --git a/homemanager/vim/lua/plugins/init.lua b/homes/modules/vim/lua/plugins/init.lua
similarity index 100%
rename from homemanager/vim/lua/plugins/init.lua
rename to homes/modules/vim/lua/plugins/init.lua
diff --git a/homemanager/vim/lua/plugins/mini-hipatterns.lua b/homes/modules/vim/lua/plugins/mini-hipatterns.lua
similarity index 100%
rename from homemanager/vim/lua/plugins/mini-hipatterns.lua
rename to homes/modules/vim/lua/plugins/mini-hipatterns.lua
diff --git a/homemanager/vim/lua/plugins/orgmode.lua b/homes/modules/vim/lua/plugins/orgmode.lua
similarity index 100%
rename from homemanager/vim/lua/plugins/orgmode.lua
rename to homes/modules/vim/lua/plugins/orgmode.lua
diff --git a/homemanager/vim/lua/plugins/telescope.lua b/homes/modules/vim/lua/plugins/telescope.lua
similarity index 100%
rename from homemanager/vim/lua/plugins/telescope.lua
rename to homes/modules/vim/lua/plugins/telescope.lua
diff --git a/homemanager/vim/lua/plugins/treesitter.lua b/homes/modules/vim/lua/plugins/treesitter.lua
similarity index 100%
rename from homemanager/vim/lua/plugins/treesitter.lua
rename to homes/modules/vim/lua/plugins/treesitter.lua
diff --git a/homemanager/vim/nixcats.nix b/homes/modules/vim/nixcats.nix
similarity index 99%
rename from homemanager/vim/nixcats.nix
rename to homes/modules/vim/nixcats.nix
index 32b54cc..b45a388 100644
--- a/homemanager/vim/nixcats.nix
+++ b/homes/modules/vim/nixcats.nix
@@ -85,6 +85,7 @@ in
               nvim-web-devicons
               base16-nvim
               mini-nvim
+              calendar-vim
 
               (pkgs.vimUtils.buildVimPlugin {
                 pname = "candyland-nvim";
diff --git a/homes/modules/wm/default.nix b/homes/modules/wm/default.nix
new file mode 100644
index 0000000..85a8041
--- /dev/null
+++ b/homes/modules/wm/default.nix
@@ -0,0 +1,14 @@
+{ lib, ... }:
+
+{
+  options = {
+    deaFiles.wm = lib.mkOption {
+      type = lib.types.enum [(lib.listDir ./. |> builtins.toString)];
+      default = null;
+    };
+  };
+
+  config = {
+    deaFiles.wm = "mangowc";
+  };
+}
diff --git a/homes/modules/wm/mango.conf b/homes/modules/wm/mango.conf
new file mode 100644
index 0000000..ab4bd54
--- /dev/null
+++ b/homes/modules/wm/mango.conf
@@ -0,0 +1,39 @@
+# Monitors
+# main monitor
+# monitorrule = name:
+
+# Startup
+# exec-once waybar
+# exec-once awww-daemon
+
+exec-once = playerctld daemon
+
+exec-once = dbus-update-activation-environment --systemd WAYLAND_DISPLAY DISPLAY XDG_SESSION_TYPE=wayland XDG_CURRENT_DESKTOP=wlroots PATH
+
+# Keyboard/mouse
+repeat_rate = 20
+repeat_delay = 200
+
+xkb_rules_layout = us
+xkb_rules_variant = basic
+
+trackpad_natural_scrolling = 0
+scroll_method = 1
+disable_while_typing = 0
+
+mouse_natural_scrolling = 0
+accel_profile = 0
+
+# https://github.com/fcitx/fcitx5 (chinese pinyin)
+env=GTK_IM_MODULE,fcitx
+env=QT_IM_MODULE,fcitx
+env=QT_IM_MODULES,wayland;fcitx
+env=SDL_IM_MODULE,fcitx
+env=XMODIFIERS,@im=fcitx
+env=GLFW_IM_MODULE,ibus
+
+# Screenshare
+# TODO: pipewire, pipewire-pulse, xdg-desktop-portal-wlr
+#
+# #source=
+
diff --git a/homes/modules/wm/mangowc/default.nix b/homes/modules/wm/mangowc/default.nix
new file mode 100644
index 0000000..d5928f6
--- /dev/null
+++ b/homes/modules/wm/mangowc/default.nix
@@ -0,0 +1,14 @@
+{ inputs, ... }:
+
+{
+  wayland.windowManager.mango = {
+    enable = true;
+  };
+  
+  systemd = {
+    enable = true;
+    xdgAutostart = true;
+  };
+  
+  settings = builtins.readFile ./mango.conf; 
+}
diff --git a/homes/modules/zen/default.nix b/homes/modules/zen/default.nix
new file mode 100644
index 0000000..3044c4e
--- /dev/null
+++ b/homes/modules/zen/default.nix
@@ -0,0 +1,15 @@
+{
+  inputs,
+  ...
+}:
+
+{
+  imports = [
+    inputs.zen-browser.homeModules.twilight
+  ];
+  
+  programs.zen-browser = {
+    enable = true;
+    # policies = {};
+  };
+}
diff --git a/hosts/modules/steam.nix b/hosts/modules/steam.nix
new file mode 100644
index 0000000..7d409b6
--- /dev/null
+++ b/hosts/modules/steam.nix
@@ -0,0 +1,24 @@
+{upkgs, ...}: {
+  programs.steam = {
+    enable = true;
+    package = upkgs.millennium-steam;
+
+    remotePlay.openFirewall = true; # Open ports in the firewall for Steam Remote Play
+    dedicatedServer.openFirewall = true; # Open ports in the firewall for Source Dedicated Server
+    localNetworkGameTransfers.openFirewall = true;
+
+    extraCompatPackages = with upkgs; [
+      proton-ge-bin
+    ];
+  };
+
+  programs.gamemode.enable = true;
+
+  environment.systemPackages = with upkgs; [
+    steamcmd
+    protonup-qt
+
+    bottles
+    mangohud
+  ];
+}
diff --git a/hosts/nahemah/configuration.nix b/hosts/nahemah/configuration.nix
deleted file mode 100644
index 604175f..0000000
--- a/hosts/nahemah/configuration.nix
+++ /dev/null
@@ -1,13 +0,0 @@
-{
-  lib,
-  pkgs,
-  ...
-}:
-
-{
-  networking.hostName = lib.mkForce "nahemah";
-
-  environment.systemPackages = with pkgs; [
-
-  ];
-}
diff --git a/hosts/nahemah/default.nix b/hosts/nahemah/default.nix
new file mode 100644
index 0000000..97a6981
--- /dev/null
+++ b/hosts/nahemah/default.nix
@@ -0,0 +1,76 @@
+{
+  root,
+  ... 
+}: {
+  imports = [
+    ./hardware-configuration.nix
+  ];
+
+  networking.hostName = "nahemah";
+  
+  # lock screen theming
+  programs.silentSDDM = {
+    backgrounds.dea = /${root}/assets/wallpapers/lantern.png;
+    profileIcons.dea = /${root}/assets/pfps/happy.jpg;
+    settings = {
+      "General" = {
+        background-fill-mode = "fill";
+      };
+      "LockScreen" = {
+        background = "lantern.png";
+        blur = 0;
+      };
+      "LockScreen.Clock" = {
+        position = "center-right";
+        align = "center";
+        font = "DroidSansM Nerd Font";
+        font-size = 160;
+      };
+      "LockScreen.Date" = {
+        display = false;
+      };
+      "LockScreen.Message" = {
+        display = true;
+        position = "bottom-center";
+        align = "center";
+        text = "Have a maimai day :3";
+        font-family = "DroidSansM Nerd Font";
+        display-icon = false;
+      };
+      "LoginScreen" = {
+        background = "lantern.png";
+      };
+      "LoginScreen.LoginArea" = {
+        position = "right";
+        margin = 96;
+      };
+      "LoginScreen.LoginArea.Avatar" = {
+        shape = "square";
+        active-border-color = "#c4c4f1";
+        active-border-size = 4;
+      };
+      "LoginScreen.LoginArea.Username" = {
+        font-family = "DroidSansM Nerd Font";
+      };
+      "LoginScreen.LoginArea.PasswordInput" = {
+        font-family = "DroidSansM Nerd Font";
+        width = 216;
+      };
+      "LoginScreen.LoginArea.Spinner" = {
+        font-family = "DroidSansM Nerd Font";
+      };
+      "LoginScreen.LoginArea.WarningMessage" = {
+        font-family = "DroidSansM Nerd Font";
+      };
+      "LoginScreen.MenuArea.Buttons" = {
+        font-family = "DroidSansM Nerd Font";
+      };
+      "LoginScreen.MenuArea.Popups" = {
+        font-family = "DroidSansM Nerd Font";
+      };
+      "Tooltips" = {
+        font-family = "DroidSansM Nerd Font";
+      };
+    };
+  };
+}
diff --git a/hosts/sandalphon/configuration.nix b/hosts/sandalphon/configuration.nix
deleted file mode 100644
index b333047..0000000
--- a/hosts/sandalphon/configuration.nix
+++ /dev/null
@@ -1,48 +0,0 @@
-{
-  lib,
-  inputs,
-  pkgs,
-  config,
-  ...
-}:
-
-let
-  nvidiaPackage = config.hardware.nvidia.package;
-in
-{
-  networking.hostName = lib.mkForce "sandalphon";
-
-  # nvidia drivers
-  hardware.graphics.enable = true;
-  services.xserver.videoDrivers = lib.mkDefault [ "nvidia" ];
-  hardware.nvidia = {
-    modesetting.enable = true;
-    # Nvidia power management. Experimental, and can cause sleep/suspend to fail.
-    # Enable this if you have graphical corruption issues or application crashes after waking
-    # up from sleep. This fixes it by saving the entire VRAM memory to /tmp/ instead
-    # of just the bare essentials.
-    powerManagement.enable = false;
-
-    powerManagement.finegrained = false;
-    # open = true;
-    open = lib.mkOverride 990 (nvidiaPackage ? open && nvidiaPackage ? firmware);
-    # Enable the Nvidia settings menu,
-    # accessible via `nvidia-settings`.
-    nvidiaSettings = true;
-    package = config.boot.kernelPackages.nvidiaPackages.stable;
-  };
-
-  services.flatpak = {
-    enable = true;
-    packages = [
-      {
-        appId = "org.vinegarhq.Sober";
-        origin = "flathub";
-      }
-    ];
-  };
-
-  environment.systemPackages = with pkgs; [
-
-  ];
-}
diff --git a/hosts/sandalphon/default.nix b/hosts/sandalphon/default.nix
new file mode 100644
index 0000000..e29adb7
--- /dev/null
+++ b/hosts/sandalphon/default.nix
@@ -0,0 +1,105 @@
+{
+  config,
+  root,
+  ...
+}: {
+  imports = [
+    ./hardware-configuration.nix
+    ./games.nix
+  ];
+
+  networking.hostName = "sandalphon";
+
+  # nvidia drivers
+  hardware.graphics.enable = true;
+  services.xserver.videoDrivers = ["nvidia"];
+  hardware.nvidia = {
+    package = config.boot.kernelPackages.nvidiaPackages.stable;
+    open = true;
+
+    nvidiaSettings = true;
+    modesetting.enable = true;
+    powerManagement.enable = false;
+    powerManagement.finegrained = false;
+  };
+
+  # lock screen theming
+  programs.silentSDDM = {
+    backgrounds.dea = /${root}/assets/wallpapers/lock.png;
+    profileIcons.dea = /${root}/assets/pfps/happy.jpg;
+    settings = {
+      "General" = {
+        background-fill-mode = "fill";
+      };
+      "LockScreen" = {
+        background = "lock.png";
+        blur = 0;
+      };
+      "LockScreen.Clock" = {
+        position = "center-left";
+        align = "center";
+        font = "DroidSansM Nerd Font";
+        font-size = 160;
+      };
+      "LockScreen.Date" = {
+        display = false;
+      };
+      "LockScreen.Message" = {
+        display = true;
+        position = "bottom-center";
+        align = "center";
+        text = "Have a maimai day :3";
+        font-family = "DroidSansM Nerd Font";
+        display-icon = false;
+      };
+      "LoginScreen" = {
+        background = "lock.png";
+      };
+      "LoginScreen.LoginArea" = {
+        position = "left";
+        margin = 96;
+      };
+      "LoginScreen.LoginArea.Avatar" = {
+        shape = "square";
+        active-border-color = "#c4c4f1";
+        active-border-size = 4;
+      };
+      "LoginScreen.LoginArea.Username" = {
+        font-family = "DroidSansM Nerd Font";
+      };
+      "LoginScreen.LoginArea.PasswordInput" = {
+        font-family = "DroidSansM Nerd Font";
+        width = 216;
+      };
+      "LoginScreen.LoginArea.Spinner" = {
+        font-family = "DroidSansM Nerd Font";
+      };
+      "LoginScreen.LoginArea.WarningMessage" = {
+        font-family = "DroidSansM Nerd Font";
+      };
+      "LoginScreen.MenuArea.Buttons" = {
+        font-family = "DroidSansM Nerd Font";
+      };
+      "LoginScreen.MenuArea.Popups" = {
+        font-family = "DroidSansM Nerd Font";
+      };
+      "Tooltips" = {
+        font-family = "DroidSansM Nerd Font";
+      };
+    };
+  };
+
+  services.flatpak = {
+    enable = true;
+    packages = [
+      {
+        appId = "org.vinegarhq.Sober";
+        origin = "flathub";
+      }
+    ];
+  };
+
+  home-manager.sharedModules = [
+    ./mcsr
+  ];
+}
diff --git a/hosts/sandalphon/games.nix b/hosts/sandalphon/games.nix
index ec1fe17..2550cdb 100644
--- a/hosts/sandalphon/games.nix
+++ b/hosts/sandalphon/games.nix
@@ -1,17 +1,13 @@
-{ pkgs, ... }:
-
-{
-  imports = [ ./mcsr ];
-
+{upkgs, ...}: {
   # hardware = {
   #   xone.enable = true;
   #   xpadneo.enable = true;
   # };
 
-  environment.systemPackages = with pkgs; [
+  environment.systemPackages = with upkgs; [
     prismlauncher # minecraft
     r2modman
-    # osu-lazer-bin
+    osu-lazer-bin
     waywall
     glfw3-minecraft
   ];
@@ -19,7 +15,7 @@
   programs = {
     obs-studio = {
       enable = true;
-      plugins = with pkgs.obs-studio-plugins; [
+      plugins = with upkgs.obs-studio-plugins; [
         obs-pipewire-audio-capture
       ];
     };
diff --git a/hosts/sandalphon/mcsr/default.nix b/hosts/sandalphon/mcsr/default.nix
index ffcd441..eeb82a4 100644
--- a/hosts/sandalphon/mcsr/default.nix
+++ b/hosts/sandalphon/mcsr/default.nix
@@ -1 +1 @@
-{ }
+import ./home.nix
diff --git a/nixpkgs.nix b/nixpkgs.nix
new file mode 100644
index 0000000..3f92124
--- /dev/null
+++ b/nixpkgs.nix
@@ -0,0 +1,35 @@
+{
+  inputs,
+  system,
+  ...
+}@args:
+{
+  nixpkgs.channels = rec {
+    base = spkgs;
+    spkgs = {
+      inherit system;
+      source = inputs.nixpkgs;
+      overlays = [
+        (import ./overlays args)
+      ];
+      config = {
+        allowUnfree = true;
+        allowBroken = false;
+      };
+    };
+
+    # nixpkgs-unstable (upkgs)
+    upkgs = {
+      inherit system;
+      source = inputs.nixpkgs-unstable;
+      overlays = [
+        inputs.millennium.overlays.default
+        (import ./overlays args)
+      ];
+      config = {
+        allowUnfree = true;
+        allowBroken = false;
+      };
+    };
+  };
+}
diff --git a/overlays/default.nix b/overlays/default.nix
new file mode 100644
index 0000000..446cb54
--- /dev/null
+++ b/overlays/default.nix
@@ -0,0 +1,30 @@
+{
+  inputs,
+  system,
+  ...
+}: (
+  self: super: {
+    element-desktop = super.element-desktop.overrideAttrs (
+      final: prev: {
+        desktopItems = [
+          ((builtins.elemAt prev.desktopItems 0).override {
+            exec = "element-desktop %u --password-store=\"gnome-libsecret\"";
+          })
+        ];
+      }
+    );
+
+    waywall = super.waywall.overrideAttrs (
+      f: p: {
+        version = "0-unstable-2026-01-06";
+
+        src = super.fetchFromGitHub {
+          owner = "tesselslate";
+          repo = "waywall";
+          rev = "c6504f95f8d757a2e060c4df8bd3ed145ad59e8d";
+          hash = "sha256-kfBsppc+esz0Q6iIIKAeOMwkIWdN12AlH3Dji8bU32c=";
+        };
+      }
+    );
+  }
+)
diff --git a/snow.nix b/snow.nix
new file mode 100644
index 0000000..6687cea
--- /dev/null
+++ b/snow.nix
@@ -0,0 +1,32 @@
+{inputs, ...}: {
+  nodes = {
+    base = inputs.nixpkgs-unstable;
+    homeManager = inputs.home-manager-unstable;
+
+    args = {inherit inputs;};
+    modules = [
+      inputs.nix-flatpak.nixosModules.nix-flatpak
+      inputs.sddm-silent.nixosModules.default
+      inputs.mango.nixosModules.mango
+    ];
+
+    groups = {
+      # desktop environment group
+      yezelhlev = {};
+    };
+
+    nodes = {
+      # laptop
+      nahemah = {
+        system = "x86_64-linux";
+        groups = groups: [groups.yezelhlev];
+      };
+
+      # pc
+      sandalphon = {
+        system = "x86_64-linux";
+        groups = groups: [groups.yezelhlev];
+      };
+    };
+  };
+}
diff --git a/user.nix b/user.nix
deleted file mode 100644
index 22eaa3b..0000000
--- a/user.nix
+++ /dev/null
@@ -1,16 +0,0 @@
-{ pkgs, ... }:
-{
-  users.users.dea = {
-    isNormalUser = true;
-    description = "dea";
-    extraGroups = [
-      "networkmanager"
-      "wheel"
-      "docker"
-    ];
-    packages = with pkgs; [
-      kdePackages.kate
-      #  thunderbird
-    ];
-  };
-}