diff --git a/apps/browser.nix b/apps/browser.nix
new file mode 100644
index 0000000..b12a888
--- /dev/null
+++ b/apps/browser.nix
@@ -0,0 +1,11 @@
+{ config, pkgs, ... }:
+{
+programs.floorp = {
+  enable = true ;
+  languagePacks = [ "fr" ] ;
+  };
+programs.firefox = {
+  enable = true ;
+  languagePacks = [ "fr" ] ;
+  };
+}
diff --git a/apps/gitea.nix b/apps/gitea.nix
new file mode 100644
index 0000000..a8100cd
--- /dev/null
+++ b/apps/gitea.nix
@@ -0,0 +1,4 @@
+{ config, pkgs,  ... }:
+{
+
+}
diff --git a/apps/picom.nix b/apps/picom.nix
new file mode 100644
index 0000000..24a7659
--- /dev/null
+++ b/apps/picom.nix
@@ -0,0 +1,50 @@
+{ config, pkgs, ... }:
+{
+  services.picom = {
+    enable = true;
+    backend = "glx"; # plus fluide si ta carte gère bien OpenGL
+    fade = true;
+    fadeDelta = 5;   # vitesse fondu
+    shadow = true;
+    shadowOpacity = 0.5;
+    vSync = true;    # évite le tearing
+
+    settings = {
+      # Transparence
+      inactive-opacity = 0.80;
+      active-opacity   = 0.9;
+      frame-opacity    = 0.90;
+      inactive-opacity-override = false;
+
+      # Coins arrondis
+      corner-radius = 8;
+      round-borders = 1;
+      rounded-corners-exclude = [
+        "class_g = 'Polybar'"
+        "class_g = 'Rofi'"
+      ];
+
+      # Flou subtil
+      blur-method = "dual_kawase";
+      blur-strength = 4;
+      blur-background = true;
+      blur-background-frame = true;
+      blur-background-fixed = false;
+      blur-background-exclude = [
+        "class_g = 'Polybar'"
+        "class_g = 'Rofi'"
+	"class_g = 'Gimp'"
+        "window_type = 'dock'"
+      ];
+
+      # Exclusions ombres
+      shadow-exclude = [
+        "class_g = 'Polybar'"
+        "class_g = 'Rofi'"
+        "window_type = 'dock'"
+        "window_type = 'desktop'"
+      ];
+    };
+  };
+}
+
diff --git a/apps/template.nix b/apps/template.nix
new file mode 100644
index 0000000..a8100cd
--- /dev/null
+++ b/apps/template.nix
@@ -0,0 +1,4 @@
+{ config, pkgs,  ... }:
+{
+
+}
diff --git a/apps/zsh.nix b/apps/zsh.nix
new file mode 100644
index 0000000..7cffff1
--- /dev/null
+++ b/apps/zsh.nix
@@ -0,0 +1,20 @@
+{ config, pkgs, ... }:
+{
+    programs.zsh = {
+    	enable = true ;
+	enableCompletion = true ;
+	history = {
+	    append = true ;
+	    extended = true ;
+	    findNoDups = true ;
+	    ignoreAllDups = true ;
+	    ignoreSpace = true ;
+	    ignorePatterns = [ "rm *" "cd *" "ls *" ] ;
+	    saveNoDups = false ;
+	};
+    shellGlobalAliases = {
+	G = "| grep";
+	M = "| more";
+    };
+    };
+}
diff --git a/flake.nix b/flake.nix
index 72ee031..d526990 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,32 +1,40 @@
 {
-  description = "Mon système NixOS flake-enabled avec Home Manager";
+	description = "My nixos config with WM switch capacity";
 
-  inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
-    home-manager = {
-      url = "github:nix-community/home-manager";
-      inputs.nixpkgs.follows = "nixpkgs";
-    };
-  };
+	inputs = {
+		nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable-small";
+		home-manager = {
+			url = "github:nix-community/home-manager";
+			inputs.nixpkgs.follows = "nixpkgs";
+		};
+	};
 
-  outputs = { self, nixpkgs, home-manager, ... }:
-    let
-      system = "x86_64-linux"; # Change si t’as un ordi chelou
-    in {
-      nixosConfigurations = {
-        pennsardin = nixpkgs.lib.nixosSystem {
-          inherit system;
-          modules = [
-            ./hosts/pennsardin/configuration.nix
+	outputs = { self, nixpkgs, home-manager, ... }:
+		let
+		system = "x86_64-linux";
+	pkgs = import nixpkgs {
+		inherit system;
+		config.allowUnfree = true;
+	};
 
-            home-manager.nixosModules.home-manager
-            {
-              home-manager.useUserPackages = true;
-              home-manager.users.lomig = import ./home/pennsardin.nix;
-            }
-          ];
-        };
-      };
-    };
+	in {
+		nixosConfigurations = {
+			pennsardin = nixpkgs.lib.nixosSystem {
+				inherit system;
+
+				modules = [
+					./hosts/pennsardin/configuration.nix
+						home-manager.nixosModules.home-manager
+						{
+							home-manager.useGlobalPkgs = true ;
+#							home-manager.useUserPackages = true;
+
+							home-manager.users.lomig = import ./user/lomig.nix ;
+						}
+				];
+			};
+		};
+	};
 }
 
+# vim: set ts=2 sw=2 sts=2 et :
diff --git a/home/pennsardin.nix b/home/pennsardin.nix
deleted file mode 100644
index 8c5c58b..0000000
--- a/home/pennsardin.nix
+++ /dev/null
@@ -1,10 +0,0 @@
-{ config, pkgs, ... }:
-
-{
-  home.username = "lomig";
-  home.homeDirectory = "/home/lomig";
-
-  programs.zsh.enable = true;
-  home.stateVersion = "25.05"; # ou ton actuelle
-}
-
diff --git a/hosts/pennsardin/bepovim.nix b/hosts/pennsardin/bepovim.nix
new file mode 100644
index 0000000..bbfbe95
--- /dev/null
+++ b/hosts/pennsardin/bepovim.nix
@@ -0,0 +1,102 @@
+# modules/alerts/sms.nix
+
+{ config, pkgs, lib, ... }:
+
+{
+#  services.xserver.enable = true;
+
+  services.xserver.xkb.extraLayouts.bepovim = {
+    description = "Clavier Bepovim – 4 niveaux";
+    languages = [ "fr" ];
+    # IMPORTANT: c'est `symbolsFile`, pas `symbols`.
+    symbolsFile = builtins.toFile "bepovim.xkb" ''
+      xkb_symbols "basic" {
+        name[Group1] = "Bepovim";
+
+        key <ESC>  { [ Escape ] };
+        key <AE01> { [ dollar, numbersign ] };
+        key <AE02> { [ less, 1, guillemotleft ] };
+        key <AE03> { [ greater, 2, guillemotright ] };
+        key <AE04> { [ parenleft, 3, bracketleft ] };
+        key <AE05> { [ parenright, 4, bracketright ] };
+        key <AE06> { [ at, 5, braceleft ] };
+        key <AE07> { [ plus, 6, braceright ] };
+        key <AE08> { [ minus, 7, asciitilde ] };
+        key <AE09> { [ asterisk, 8 ] };
+        key <AE10> { [ slash, 9, backslash ] };
+        key <AE11> { [ quotedbl, 0 ] };
+        key <AE12> { [ equal, ampersand ] };
+        key <BKSP> { [ BackSpace ] };
+        key <TAB>  { [ Tab, ISO_Left_Tab ] };
+
+        key <AD01> { [ b, B ] };
+        key <AD02> { [ eacute, Eacute ] };
+        key <AD03> { [ p, P ] };
+        key <AD04> { [ o, O ] };
+        key <AD05> { [ r, R ] };
+        key <AD06> { [ dead_circumflex, grave ] };
+        key <AD07> { [ v, V ] };
+        key <AD08> { [ s, S ] };
+        key <AD09> { [ t, T ] };
+        key <AD10> { [ d, D ] };
+        key <AD11> { [ egrave, Egrave ] };
+        key <AD12> { [ ccedilla, Ccedilla ] };
+
+        key <RTRN> { [ Return ] };
+        key <AC01> { [ c, C ] };
+        key <AC02> { [ a, A ] };
+        key <AC03> { [ u, U ] };
+        key <AC04> { [ i, I ] };
+        key <AC05> { [ e, E, EuroSign ] };
+        key <AC06> { [ period, question ] };
+        key <AC07> { [ n, N ] };
+        key <AC08> { [ h, H, Left ] };
+        key <AC09> { [ j, J, Down ] };
+        key <AC10> { [ k, K, Up ] };
+        key <AC11> { [ l, L, Right ] };
+        key <AC12> { [ m, M ] };
+
+        key <LFSH> { [ Shift_L ] };
+        key <LSGT> { [ q, Q ] };
+        key <AB01> { [ w, W ] };
+        key <AB02> { [ agrave, Agrave ] };
+        key <AB03> { [ f, F ] };
+        key <AB04> { [ colon, bar ] };
+        key <AB05> { [ comma, semicolon ] };
+        key <AB06> { [ apostrophe, exclam ] };
+        key <AB07> { [ x, X ] };
+        key <AB08> { [ g, G ] };
+        key <AB09> { [ z, Z ] };
+        key <AB10> { [ y, Y ] };
+
+        key <DELE>    { [ Up ] };
+        key <DOWN>  { [ Left ] };
+        key <RGHT>  { [ Down ] };
+        key <INS>  { [ Right ] };
+
+        key <LCTL>  { [ Control_L ] };
+        key <LALT>  { [ Alt_L ] };
+        key <SPCE>  { [ space, underscore, nobreakspace, U202F ] };
+        key <RALT>  { [ ISO_Level3_Shift ] };
+
+	key <FK02>  { [ F1, F1 ] };
+	key <FK03>  { [ F2, F2 ] };
+	key <FK04>  { [ F3, F3 ] };
+	key <FK05>  { [ F4, F4 ] };
+	key <FK06>  { [ F5, F5 ] };
+	key <FK07>  { [ F6, F6 ] };
+	key <FK08>  { [ F7, F7 ] };
+	key <FK09>  { [ F8, F8 ]};
+	key <FK10>  { [ F9, F9 ] };
+	key <FK11>  { [ F10, F10 ] };
+	key <FK12>  { [ F11, F11 ] };
+      };
+    '';
+  };
+
+  services.xserver.xkb.layout = "bepovim";
+  services.xserver.xkb.variant = "basic";
+  services.xserver.xkb.options = "lv3:ralt_switch";
+  console.useXkbConfig = true;
+}
+
diff --git a/hosts/pennsardin/configuration.nix b/hosts/pennsardin/configuration.nix
index d6fcec4..8b7b530 100644
--- a/hosts/pennsardin/configuration.nix
+++ b/hosts/pennsardin/configuration.nix
@@ -1,15 +1,137 @@
-{ config, pkgs, ... }:
+{ config, pkgs, lib, desktop, ... }:
 
 {
+  imports = [
+    ./raid.nix
+    ./bepovim.nix
+    ../../wm/bspwm.nix
+  ];
+  nix.settings.experimental-features = ["nix-command" "flakes" ];
+  boot.initrd.kernelModules = [];
+  boot.kernelModules = [ "amdgpu" "kvm-amd" ];
+  boot.extraModulePackages = [];
+  boot.kernelPackages = pkgs.linuxPackages_latest;
+  boot.kernelParams = [ 
+  	"mem_sleep_default=deep" 
+	"amdgpu.si_support=0"
+	  "amdgpu.cik_support=0"
+	  "radeon.si_support=0"
+	  "radeon.cik_support=0"
+  ];
+
+  fileSystems."/" = {
+  device = "/dev/disk/by-uuid/b4e3577b-17ab-4a89-9aeb-4e223be4c75b"; # à adapter si tu as un autre label/disque
+  fsType = "ext4"; # ou btrfs, xfs, ce que t'as utilisé
+};
+  swapDevices = [] ;
+  
+  boot.plymouth.enable = true ;
+  boot.loader.timeout = 5;
+  boot.loader.systemd-boot.enable = true ;
+  boot.loader.efi.canTouchEfiVariables = true;
+  boot.loader.efi.efiSysMountPoint = "/boot";
+
+  boot.tmp.cleanOnBoot = true ;
+  systemd.coredump.enable = false ;
+  services.journald.extraConfig = ''
+	SystemMaxUse=200M
+	RuntimeMaxUse=100M
+  '';
+
+  hardware.firmware = with pkgs ; [ linux-firmware ];
+  hardware.enableRedistributableFirmware = true;
+  hardware.graphics = {
+  	enable = true ;
+  	extraPackages = with pkgs ; [
+	    mesa libva libva-utils libvdpau libva-vdpau-driver vaapiVdpau libvdpau-va-gl amdvlk vulkan-tools vulkan-loader vulkan-validation-layers
+	  ];
+	enable32Bit = true ;
+  };
+  environment.variables = {
+    LIBVA_DRIVER_NAME = "radeonsi";
+    VDPAU_DRIVER = "va_gl";
+  };
+
+  hardware.bluetooth.enable = true ;
+  environment.etc."pam.d/i3lock".text = ''
+       auth     include login
+       account  include login
+       password include login
+       session  include login
+       '';
+  services.blueman.enable = true ;
+
+  services.xserver.enable = true ;
+  services.xserver.videoDrivers = [ "amdgpu" ];
+  services.logind.extraConfig = ''
+	IdleAction=suspend
+	IdleActionSec=5min
+	HandleLidSwitch=suspend
+	HandleLidSwitchDocked=ignore
+	'';
+
   networking.hostName = "pennsardin";
   time.timeZone = "Europe/Paris";
+  # Select internationalisation properties.
+  i18n.defaultLocale = "fr_FR.UTF-8";
 
-  users.users.toto = {
+  i18n.extraLocaleSettings = {
+    LC_ADDRESS = "fr_FR.UTF-8";
+    LC_IDENTIFICATION = "fr_FR.UTF-8";
+    LC_MEASUREMENT = "fr_FR.UTF-8";
+    LC_MONETARY = "fr_FR.UTF-8";
+    LC_NAME = "fr_FR.UTF-8";
+    LC_NUMERIC = "fr_FR.UTF-8";
+    LC_PAPER = "fr_FR.UTF-8";
+    LC_TELEPHONE = "fr_FR.UTF-8";
+    LC_TIME = "fr_FR.UTF-8";
+  };
+
+  services.printing.enable = true ;
+  # Enable sound with pipewire.
+  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;
+  };
+
+  environment.systemPackages = with pkgs; [
+#  i3lock
+    btrfs-progs
+    evtest
+    gdu
+    git
+    glances
+    lm_sensors
+    neovim
+    snapper
+    tmux
+    xorg.xev
+    xorg.xkbcomp
+  ];
+
+  programs.steam.enable = true ;
+  hardware.xpadneo.enable = true ;
+  programs.zsh.enable = true;
+  users.users.lomig = {
     isNormalUser = true;
-    extraGroups = [ "wheel" ];
+    extraGroups = [ "networkmanager" "lp" "wheel" ];
     shell = pkgs.zsh;
   };
 
-  services.xserver.enable = true;
+  nixpkgs.config = {
+    allowUnfree = true;
+    allowUnsupportedSystem = true ;
+  };
+  system.stateVersion = "25.05"; # pour éviter les hurlements inutiles
 }
 
diff --git a/hosts/pennsardin/raid.nix b/hosts/pennsardin/raid.nix
new file mode 100644
index 0000000..04da734
--- /dev/null
+++ b/hosts/pennsardin/raid.nix
@@ -0,0 +1,54 @@
+# modules/alerts/sms.nix
+
+{ config, pkgs, lib, ... }:
+
+let
+  user = "21782061";  # Ton identifiant Free
+  pass = "PEmCOQLKMEdMW9";  # Ta clé
+in
+{
+  environment.systemPackages = with pkgs; [ curl ];
+  environment.etc."mdadm-raid-wrapper.sh".text = ''
+    systemctl start raid-alert-sms.service
+  '';
+
+  boot.swraid = {
+    enable = true ;
+    mdadmConf = ''
+      MAILADDR guillaume.lame@protonmail.com
+      PROGRAM /etc/mdadm-raid-wrapper.sh
+      ARRAY /dev/md/raid-home UUID=cad7faf8:93cab941:ba745379:becc1918
+      '';
+  };
+
+  fileSystems."/mnt/raid" = {
+    device = "/dev/md/raid-home" ;
+    fsType = "btrfs" ;
+    options = ["compress=zstd" "noatime" "nofail" "x-systemd.device-timeout=5"];
+  };
+
+#  systemd.services.raid-alert-sms = {
+#    description = "Envoie un SMS si RAID pète";
+#    wantedBy = [ "multi-user.target" ];
+#    serviceConfig = {
+#      Type = "oneshot";
+#      ExecStart = ''
+#        ${pkgs.curl}/bin/curl -s \
+#          "https://smsapi.free-mobile.fr/sendmsg?user=${user}&pass=${pass}&msg=TON+RAID+EST+MORT+FUIS"
+#      '';
+#    };
+#  };
+
+#  systemd.services.mdadm-monitor = {
+#    description = "RAID monitoring";
+#    wantedBy = [ "multi-user.target" ];
+#    after = [ "network.target" ];
+#    serviceConfig = {
+#      ExecStart = "${pkgs.mdadm}/bin/mdadm --monitor --scan --daemonize --program=/etc/mdadm-raid-wrapper.sh";
+#      Restart = "always";
+#      RestartSec = "5s";
+#      Type = "forking";
+#    };
+#  };
+}
+
diff --git a/user/lomig.nix b/user/lomig.nix
new file mode 100644
index 0000000..8e6d9f6
--- /dev/null
+++ b/user/lomig.nix
@@ -0,0 +1,22 @@
+{ config, pkgs, lib, desktop, ... }:
+
+{
+  imports = [
+    ../apps/browser.nix
+    ../apps/picom.nix
+    ../apps/zsh.nix
+  ];
+  home.username = "lomig";
+  home.homeDirectory = "/home/lomig";
+  home.packages = with pkgs; [
+    bat
+    nerd-fonts.iosevka
+    telegram-desktop
+    tree
+    fastfetch
+  ];
+
+  programs.zsh.enable = true;
+  home.stateVersion = "25.05"; # ou ton actuelle
+}
+
diff --git a/wm/bspwm.nix b/wm/bspwm.nix
new file mode 100644
index 0000000..013bad6
--- /dev/null
+++ b/wm/bspwm.nix
@@ -0,0 +1,159 @@
+{ config, pkgs, ... }:
+{
+	services.xserver = {
+		enable = true ;
+		displayManager.lightdm.enable = true ;
+		windowManager.bspwm.enable = true ;
+	};
+	home-manager.users.lomig = { pkgs, ... }: {
+		home.packages = with pkgs; [
+			bspwm sxhkd xorg.xinit xterm
+				alacritty rofi feh font-awesome
+				picom xorg.xset xidlehook betterlockscreen
+				pywal16 imagemagick
+		];
+
+		xsession.enable = true ;
+		xsession.initExtra =  ''
+			xset s 300 300
+			xset s on
+			xsession s noblank
+
+			xset +dpms
+			xset dpms 0 0 500
+			'';
+		systemd.user.services.xidlehook = {
+			Unit.Description = "Idle actions (lock at 1m, suspend at 5m)";
+			Service = {
+				ExecStart = ''
+					${pkgs.xidlehook}/bin/xidlehook \
+					--detect-sleep \
+					--not-when-fullscreen \
+					--timer 300  "${pkgs.betterlockscreen}/bin/betterlockscreen -l dim" "" \
+					--timer 500 "systemctl suspend" ""
+					'';
+				Restart = "always";
+			};
+			Install.WantedBy = [ "graphical-session.target" ];
+		};
+
+		xsession.windowManager.bspwm = {
+			enable = true ;
+			startupPrograms = [
+				"killall polybar"
+					"setxkbmap bepovim"
+					"sxhkd -m 1"
+					"xrandr \\
+					--output DisplayPort-1 --rate 60 --pos 0x0"
+					"while pgrep -x polybar >/dev/null; do sleep 0.2; done"
+					"polybar"
+          "bash ~/.fehbg"
+			];
+			extraConfig = ''
+				bspc config borderless_monocle true
+				bspc config gapless_monocle true
+				bspc config single_monocle true
+				bspc monitor -d I II III IV V VI
+				'';
+		};
+		services.sxhkd = {
+			enable = true ;
+			extraOptions = [ "-m 1" ] ;
+			keybindings = {
+				"super + Return" = "alacritty";
+				"super + c" = "bspc node -c";
+				"Menu" = "rofi -show drun";
+				"super + space" = "rofi -show drun";
+
+# Aller au bureau ^1 .. ^6
+				"F1" = "bspc desktop -f ^1";
+				"F2" = "bspc desktop -f ^2";
+				"F3" = "bspc desktop -f ^3";
+				"F4" = "bspc desktop -f ^4";
+				"F5" = "bspc desktop -f ^5";
+				"F6" = "bspc desktop -f ^6";
+
+# Déplacer la fenetre courante vers le bureau cible et suivre
+				"shift + F1" = "bspc node -d ^1 --follow";
+				"shift + F2" = "bspc node -d ^2 --follow";
+				"shift + F3" = "bspc node -d ^3 --follow";
+				"shift + F4" = "bspc node -d ^4 --follow";
+				"shift + F5" = "bspc node -d ^5 --follow";
+				"shift + F6" = "bspc node -d ^6 --follow";
+
+# Focus dans un meme bureau
+				"super + h" = "bspc node -f west";
+				"super + j" = "bspc node -f south";
+				"super + k" = "bspc node -f north";
+				"super + l" = "bspc node -f east";
+
+# Swap la fenetre dans le bureau
+				"super + shift + h" = "bspc node -s west";
+				"super + shift + j" = "bspc node -s south";
+				"super + shift + k" = "bspc node -s north";
+				"super + shift + l" = "bspc node -s east";
+			};
+		};
+
+		services.polybar = {
+			enable = true ;
+			script = "polybar main &";
+			config = {
+				"bar/main" = {
+					width = "100%";
+					height = "28";
+					background = "\\\${colors.background}";
+					foreground = "\\\${colors.foreground}";
+					font-0 = "Iosevka Nerd Font:size=10;2";
+					font-1 = "Font Awesome 6 Free:style=Solid:pixelsize=10;2";
+					modules-left = "bspwm";
+					modules-center = "date";
+					modules-right = "pulseaudio memory cpu";
+				};
+
+				"module/bspwm" = {
+					type = "internal/bspwm";
+					label-focused = "%name%";
+					label-focused-background = "\\\${colors.primary}";
+					label-focused-foreground = "#e6e0de";
+					label-focused-padding = 2;
+					label-occupied = "%name%";
+					label-occupied-padding = 2;
+					label-urgent = "%name%";
+					label-urgent-background = "#e42127";
+					label-urgent-foreground = "#ffffff";
+					label-empty = "%name%";
+					label-empty-foreground = "#645d56";
+					label-empty-padding = 2;
+				};
+
+				"module/date" = {
+					type = "internal/date";
+					interval = 60;
+					date = "%d-%m-%Y %H:%M";
+				};
+
+			};
+		};
+		programs.alacritty.enable = true ;
+		programs.alacritty.settings = {
+			general.import = [
+				"~/.cache/wal/colors-alacritty.toml"
+			];
+			font = {
+				normal = { family = "Iosevka Nerd Font"; style = "Regular"; };
+				bold   = { family = "Iosevka Nerd Font"; style = "Bold"; };
+				italic = { family = "Iosevka Nerd Font"; style = "Italic"; };
+				size = 9;
+			};
+		};
+
+
+		programs.floorp = {
+			enable = true ;
+			languagePacks = [ "fr" ] ;
+		};
+	};
+}
+
+# vim: set ts=2 sw=2 sts=2 et :
diff --git a/wm/gnome.nix b/wm/gnome.nix
new file mode 100644
index 0000000..e500128
--- /dev/null
+++ b/wm/gnome.nix
@@ -0,0 +1,11 @@
+{ config, pkgs, ... }:
+{
+	services = {
+		displayManager.gdm = {
+      enable = true ;
+      };
+		desktopManager.gnome.enable = true ;
+	};
+}
+
+# vim: set ts=2 sw=2 sts=2 et :