diff --git a/flake.lock b/flake.lock
index d14a5c3..6314148 100644
--- a/flake.lock
+++ b/flake.lock
@@ -1,8 +1,24 @@
 {
   "nodes": {
+    "flake-compat": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1747046372,
+        "narHash": "sha256-CIVLLkVgvHYbgI2UpXvIIBJ12HWgX+fjA8Xf8PUmqCY=",
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "rev": "9100a0f413b0c601e0533d1d94ffd501ce2e7885",
+        "type": "github"
+      },
+      "original": {
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "type": "github"
+      }
+    },
     "flake-utils": {
       "inputs": {
-        "systems": "systems_2"
+        "systems": "systems"
       },
       "locked": {
         "lastModified": 1731533236,
@@ -18,6 +34,46 @@
         "type": "github"
       }
     },
+    "flake-utils_2": {
+      "inputs": {
+        "systems": "systems_3"
+      },
+      "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"
+      }
+    },
+    "ghostty": {
+      "inputs": {
+        "flake-compat": "flake-compat",
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs",
+        "zig": "zig",
+        "zon2nix": "zon2nix"
+      },
+      "locked": {
+        "lastModified": 1761675796,
+        "narHash": "sha256-DVIXfeBt7Ej73l8jdDokAukmm8MRRZVKTb0X6jDvHm0=",
+        "owner": "ghostty-org",
+        "repo": "ghostty",
+        "rev": "d62235cb62005a16de614f90d764a7916655850b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "ghostty-org",
+        "repo": "ghostty",
+        "type": "github"
+      }
+    },
     "home-manager": {
       "inputs": {
         "nixpkgs": [
@@ -57,18 +113,15 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1761173472,
-        "narHash": "sha256-m9W0dYXflzeGgKNravKJvTMR4Qqa2MVD11AwlGMufeE=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "c8aa8cc00a5cb57fada0851a038d35c08a36a2bb",
-        "type": "github"
+        "lastModified": 315532800,
+        "narHash": "sha256-sV6pJNzFkiPc6j9Bi9JuHBnWdVhtKB/mHgVmMPvDFlk=",
+        "rev": "82c2e0d6dde50b17ae366d2aa36f224dc19af469",
+        "type": "tarball",
+        "url": "https://releases.nixos.org/nixpkgs/nixpkgs-25.11pre877938.82c2e0d6dde5/nixexprs.tar.xz"
       },
       "original": {
-        "owner": "NixOS",
-        "ref": "nixos-25.05",
-        "repo": "nixpkgs",
-        "type": "github"
+        "type": "tarball",
+        "url": "https://channels.nixos.org/nixpkgs-unstable/nixexprs.tar.xz"
       }
     },
     "nixpkgs-unstable": {
@@ -88,6 +141,35 @@
       }
     },
     "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1758360447,
+        "narHash": "sha256-XDY3A83bclygHDtesRoaRTafUd80Q30D/Daf9KSG6bs=",
+        "rev": "8eaee110344796db060382e15d3af0a9fc396e0e",
+        "type": "tarball",
+        "url": "https://releases.nixos.org/nixos/unstable/nixos-25.11pre864002.8eaee1103447/nixexprs.tar.xz"
+      },
+      "original": {
+        "type": "tarball",
+        "url": "https://channels.nixos.org/nixos-unstable/nixexprs.tar.xz"
+      }
+    },
+    "nixpkgs_3": {
+      "locked": {
+        "lastModified": 1761173472,
+        "narHash": "sha256-m9W0dYXflzeGgKNravKJvTMR4Qqa2MVD11AwlGMufeE=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "c8aa8cc00a5cb57fada0851a038d35c08a36a2bb",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-25.05",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_4": {
       "locked": {
         "lastModified": 1759036355,
         "narHash": "sha256-0m27AKv6ka+q270dw48KflE0LwQYrO7Fm4/2//KCVWg=",
@@ -111,7 +193,7 @@
         "quickshell": [
           "quickshell"
         ],
-        "systems": "systems"
+        "systems": "systems_2"
       },
       "locked": {
         "lastModified": 1761703033,
@@ -149,9 +231,10 @@
     },
     "root": {
       "inputs": {
+        "ghostty": "ghostty",
         "home-manager": "home-manager",
         "nixos-hardware": "nixos-hardware",
-        "nixpkgs": "nixpkgs",
+        "nixpkgs": "nixpkgs_3",
         "nixpkgs-unstable": "nixpkgs-unstable",
         "noctalia": "noctalia",
         "quickshell": "quickshell",
@@ -188,10 +271,25 @@
         "type": "github"
       }
     },
+    "systems_3": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    },
     "vicinae": {
       "inputs": {
-        "flake-utils": "flake-utils",
-        "nixpkgs": "nixpkgs_2"
+        "flake-utils": "flake-utils_2",
+        "nixpkgs": "nixpkgs_4"
       },
       "locked": {
         "lastModified": 1761455154,
@@ -206,6 +304,54 @@
         "repo": "vicinae",
         "type": "github"
       }
+    },
+    "zig": {
+      "inputs": {
+        "flake-compat": [
+          "ghostty",
+          "flake-compat"
+        ],
+        "flake-utils": [
+          "ghostty",
+          "flake-utils"
+        ],
+        "nixpkgs": [
+          "ghostty",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1760401936,
+        "narHash": "sha256-/zj5GYO5PKhBWGzbHbqT+ehY8EghuABdQ2WGfCwZpCQ=",
+        "owner": "mitchellh",
+        "repo": "zig-overlay",
+        "rev": "365085b6652259753b598d43b723858184980bbe",
+        "type": "github"
+      },
+      "original": {
+        "owner": "mitchellh",
+        "repo": "zig-overlay",
+        "type": "github"
+      }
+    },
+    "zon2nix": {
+      "inputs": {
+        "nixpkgs": "nixpkgs_2"
+      },
+      "locked": {
+        "lastModified": 1758405547,
+        "narHash": "sha256-WgaDgvIZMPvlZcZrpPMjkaalTBnGF2lTG+62znXctWM=",
+        "owner": "jcollie",
+        "repo": "zon2nix",
+        "rev": "bf983aa90ff169372b9fa8c02e57ea75e0b42245",
+        "type": "github"
+      },
+      "original": {
+        "owner": "jcollie",
+        "repo": "zon2nix",
+        "rev": "bf983aa90ff169372b9fa8c02e57ea75e0b42245",
+        "type": "github"
+      }
     }
   },
   "root": "root",
diff --git a/modules/home/wallpaper.nix b/modules/home/wallpaper.nix
index 40facb6..1823b19 100644
--- a/modules/home/wallpaper.nix
+++ b/modules/home/wallpaper.nix
@@ -4,7 +4,7 @@ let
     owner = "orangci";
     repo  = "walls-catppuccin-mocha";
     rev   = "40912e6418737e93b59a38bcf189270cbf26656d";
-    hash  = "sha256-XXXXXXXXXXXX";   # nix-shell -p nix-prefetch-github --run 'nix-prefetch-github orangci walls-catppuccin-mocha --rev 40912e6418737e93b59a38bcf189270cbf26656d'
+    hash  = "sha256-1QR3J+wgLVNjucPSVELv0FicNt+jM2KPLU5ubBfxjHI=";   # nix-shell -p nix-prefetch-github --run 'nix-prefetch-github orangci walls-catppuccin-mocha --rev 40912e6418737e93b59a38bcf189270cbf26656d'
   };
 in {
   home.file."wallpapers" = {