diff --git a/Dockerfile.dev b/Dockerfile.dev
index 5471195..fa8c2fe 100644
--- a/Dockerfile.dev
+++ b/Dockerfile.dev
@@ -9,7 +9,18 @@ RUN apk add --no-cache \
     mysql-client \
     vim \
     bash \
-    nano
+    nano \
+    chromium \
+    nss \
+    freetype \
+    harfbuzz \
+    ttf-freefont \
+    font-noto-emoji
+
+# Playwright ships glibc-linked browser builds that do not run on Alpine (musl),
+# so drive Alpine's own Chromium instead of downloading one.
+ENV PLAYWRIGHT_SKIP_BROWSER_DOWNLOAD=1 \
+    PLAYWRIGHT_CHROMIUM_EXECUTABLE_PATH=/usr/bin/chromium-browser
 
 # Install PHP extensions including xdebug for development
 RUN install-php-extensions \
diff --git a/docker/dev/docker-compose.yml b/docker/dev/docker-compose.yml
index 1d6e9ca..b4a71b7 100644
--- a/docker/dev/docker-compose.yml
+++ b/docker/dev/docker-compose.yml
@@ -40,6 +40,10 @@ services:
       
       # Vite
       VITE_HOST: "0.0.0.0"
+
+      # Playwright drives Alpine's system Chromium (musl); see Dockerfile.dev
+      PLAYWRIGHT_SKIP_BROWSER_DOWNLOAD: "1"
+      PLAYWRIGHT_CHROMIUM_EXECUTABLE_PATH: "/usr/bin/chromium-browser"
     volumes:
       # Mount entire project for hot reload with SELinux context
       - ../..:/app:Z
diff --git a/shell.nix b/shell.nix
index b977c72..6096fc5 100644
--- a/shell.nix
+++ b/shell.nix
@@ -1,5 +1,17 @@
 { pkgs ? import <nixpkgs> {} }:
 
+let
+  # Playwright's bundled Chromium is a prebuilt glibc binary. NixOS has no
+  # /usr/lib, so nix-ld (enabled system-wide) resolves its interpreter and
+  # NIX_LD_LIBRARY_PATH supplies the libraries below.
+  chromiumLibs = with pkgs; [
+    glib nss nspr atk at-spi2-atk at-spi2-core cups dbus expat
+    xorg.libxcb libxkbcommon alsa-lib libgbm mesa
+    xorg.libX11 xorg.libXext xorg.libXcomposite xorg.libXdamage
+    xorg.libXfixes xorg.libXrandr cairo pango systemd libdrm
+  ];
+in
+
 pkgs.mkShell {
   buildInputs = with pkgs; [
     # PHP and tools
@@ -28,7 +40,9 @@ pkgs.mkShell {
     export GROUP_ID=$(id -g)
     # Use keep-id for proper permission mapping in rootless podman
     export PODMAN_USERNS=keep-id
-    
+
+    export NIX_LD_LIBRARY_PATH="${pkgs.lib.makeLibraryPath chromiumLibs}:$NIX_LD_LIBRARY_PATH"
+
     # Compose file location
     COMPOSE_FILE="$PWD/docker/dev/docker-compose.yml"