diff --git a/agent_pulse.py b/agent_pulse.py
index 473f27a..495f271 100755
--- a/agent_pulse.py
+++ b/agent_pulse.py
@@ -1666,7 +1666,8 @@ def render(self) -> Text:
 # ----------------------------
 
 class AgentPulseApp(App):
-    CSS_PATH = "agent_pulse.tcss"
+    _css_file = Path(__file__).parent / "agent_pulse.tcss"
+    CSS = _css_file.read_text() if _css_file.exists() else ""
     ENABLE_COMMAND_PALETTE = False
     BINDINGS = [
         ("q", "quit", "Quit"),
diff --git a/pyproject.toml b/pyproject.toml
index 4141287..8e0de37 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -32,6 +32,10 @@ dependencies = [
     "textual>=0.50.0",
 ]
 
+[tool.setuptools]
+py-modules = ["agent_pulse"]
+packages = []
+
 [project.scripts]
 agent-pulse = "agent_pulse:main"