diff --git a/tui/app.py b/tui/app.py
index 34d5804..bb09c00 100644
--- a/tui/app.py
+++ b/tui/app.py
@@ -1,7 +1,6 @@
 import os
 
 import httpx
-from platformdirs import user_data_dir
 from textual.app import App, ComposeResult
 from textual.binding import Binding
 
@@ -10,7 +9,10 @@ from textual.containers import Vertical
 from textual.screen import Screen
 from textual.widgets import Button, Footer, Static
 
+from tui.paths import DATA_DIR
+from tui.screens.activity import ActivityScreen
 from tui.screens.home import HomeScreen
+from tui.screens.login import LoginScreen
 
 
 class LogoutConfirmScreen(Screen):
@@ -49,9 +51,6 @@ class LogoutConfirmScreen(Screen):
             self.app.pop_screen()
 
 
-DATA_DIR = os.environ.get("ATBBS_DATA_DIR", user_data_dir("atbbs"))
-
-
 class AtbbsApp(App):
     TITLE = "@bbs"
     CSS_PATH = "app.tcss"
@@ -99,8 +98,6 @@ class AtbbsApp(App):
         if self.user_session:
             self.push_screen(LogoutConfirmScreen())
         else:
-            from tui.screens.login import LoginScreen
-
             self.push_screen(LoginScreen())
 
     def do_logout(self) -> None:
@@ -116,8 +113,6 @@ class AtbbsApp(App):
         if not self.user_session:
             self.notify("Log in to see your messages.", severity="warning")
             return
-        from tui.screens.activity import ActivityScreen
-
         self.push_screen(ActivityScreen())
 
     def action_refresh(self) -> None:
diff --git a/tui/paths.py b/tui/paths.py
new file mode 100644
index 0000000..34e23cf
--- /dev/null
+++ b/tui/paths.py
@@ -0,0 +1,7 @@
+"""Filesystem paths for the TUI."""
+
+import os
+
+from platformdirs import user_data_dir
+
+DATA_DIR = os.environ.get("ATBBS_DATA_DIR", user_data_dir("atbbs"))
diff --git a/tui/screens/activity.py b/tui/screens/activity.py
index e68e05f..228fdb6 100644
--- a/tui/screens/activity.py
+++ b/tui/screens/activity.py
@@ -4,6 +4,8 @@ from textual.screen import Screen
 from textual.widgets import Footer, Static
 from textual import work
 
+from tui.screens.thread import ThreadScreen
+from tui.widgets.breadcrumb import Breadcrumb
 from tui.widgets.post import Post
 
 
@@ -18,8 +20,6 @@ class ActivityScreen(Screen):
         self._items: list[dict] = []
 
     def compose(self) -> ComposeResult:
-        from tui.widgets.breadcrumb import Breadcrumb
-
         yield Breadcrumb(
             ("@bbs", 1),
             ("inbox", 0),
@@ -89,8 +89,6 @@ class ActivityScreen(Screen):
                 updated_at=rec.value.get("updatedAt"),
                 attachments=rec.value.get("attachments"),
             )
-            from tui.screens.thread import ThreadScreen
-
             self.app.push_screen(ThreadScreen(bbs, handle, thread))
         except Exception:
             self.notify("Could not open thread.", severity="error")
diff --git a/tui/screens/board.py b/tui/screens/board.py
index 350e5bf..5f5d378 100644
--- a/tui/screens/board.py
+++ b/tui/screens/board.py
@@ -6,8 +6,11 @@ from textual.widgets import Button, Footer, ListItem, ListView, Static
 
 from core.models import BBS, Board
 from core.records import hydrate_threads as fetch_threads
+from tui.screens.compose import ComposeThreadScreen
+from tui.screens.thread import ThreadScreen
 from tui.util import require_session
 from tui.util import format_datetime
+from tui.widgets.breadcrumb import Breadcrumb
 
 
 class BoardScreen(Screen):
@@ -32,8 +35,6 @@ class BoardScreen(Screen):
         self.page = 0
 
     def compose(self) -> ComposeResult:
-        from tui.widgets.breadcrumb import Breadcrumb
-
         yield Breadcrumb(
             ("@bbs", 2),
             (self.bbs.site.name, 1),
@@ -94,8 +95,6 @@ class BoardScreen(Screen):
         # Find thread by URI
         thread = next((t for t in self.threads if t.uri == uri), None)
         if thread:
-            from tui.screens.thread import ThreadScreen
-
             self.app.push_screen(ThreadScreen(self.bbs, self.handle, thread))
 
     def refresh_data(self) -> None:
@@ -111,6 +110,4 @@ class BoardScreen(Screen):
     def action_new_thread(self) -> None:
         if not require_session(self):
             return
-        from tui.screens.compose import ComposeThreadScreen
-
         self.app.push_screen(ComposeThreadScreen(self.bbs, self.handle, self.board))
diff --git a/tui/screens/compose.py b/tui/screens/compose.py
index 1c9fafa..697aa61 100644
--- a/tui/screens/compose.py
+++ b/tui/screens/compose.py
@@ -12,6 +12,7 @@ from core.models import AtUri
 from core.models import AuthError
 from core.records import create_thread_record, create_reply_record, upload_blob
 from tui.util import require_session
+from tui.widgets.breadcrumb import Breadcrumb
 
 
 async def _upload_file(screen, file_path: str, session: dict) -> list[dict] | None:
@@ -53,8 +54,6 @@ class ComposeThreadScreen(Screen):
         self.board = board
 
     def compose(self) -> ComposeResult:
-        from tui.widgets.breadcrumb import Breadcrumb
-
         yield Breadcrumb(
             ("@bbs", 3),
             (self.bbs.site.name, 2),
@@ -132,8 +131,6 @@ class ComposeReplyScreen(Screen):
         self.thread = thread
 
     def compose(self) -> ComposeResult:
-        from tui.widgets.breadcrumb import Breadcrumb
-
         yield Breadcrumb(
             ("@bbs", 3),
             (self.bbs.site.name, 2),
diff --git a/tui/screens/home.py b/tui/screens/home.py
index b5effc4..209ad52 100644
--- a/tui/screens/home.py
+++ b/tui/screens/home.py
@@ -10,6 +10,7 @@ from core import lexicon
 from core.models import BBSNotFoundError, NetworkError, NoBBSError
 from core.resolver import resolve_bbs
 from core.slingshot import resolve_identities_batch
+from tui.screens.site import SiteScreen
 
 
 class HomeScreen(Screen):
@@ -96,8 +97,6 @@ class HomeScreen(Screen):
             self.notify("You have been banned from this BBS.", severity="error")
             return
 
-        from tui.screens.site import SiteScreen
-
         self.app.push_screen(SiteScreen(bbs, handle))
         self.query_one("#handle-input", Input).value = ""
 
diff --git a/tui/screens/login.py b/tui/screens/login.py
index 11508e0..19f1462 100644
--- a/tui/screens/login.py
+++ b/tui/screens/login.py
@@ -22,6 +22,8 @@ from tui.local_server import wait_for_callback
 
 
 from core.lexicon import OAUTH_SCOPE
+from tui.paths import DATA_DIR
+from tui.widgets.breadcrumb import Breadcrumb
 
 CALLBACK_PORT = 23847
 
@@ -30,8 +32,6 @@ class LoginScreen(Screen):
     BINDINGS = [("escape", "app.pop_screen", "back")]
 
     def compose(self) -> ComposeResult:
-        from tui.widgets.breadcrumb import Breadcrumb
-
         yield Breadcrumb(
             ("@bbs", 1),
             ("log in", 0),
@@ -71,8 +71,6 @@ class LoginScreen(Screen):
             return
 
         # Load client secrets from TUI data dir
-        from tui.app import DATA_DIR
-
         secrets = load_secrets(DATA_DIR)
         client_secret_jwk = json.loads(secrets["client_secret_jwk"])
 
diff --git a/tui/screens/news.py b/tui/screens/news.py
index 3de1327..2c9875c 100644
--- a/tui/screens/news.py
+++ b/tui/screens/news.py
@@ -4,6 +4,7 @@ from textual.screen import Screen
 from textual.widgets import Footer
 
 from core.models import BBS, News
+from tui.widgets.breadcrumb import Breadcrumb
 from tui.widgets.post import Post
 
 
@@ -17,8 +18,6 @@ class NewsScreen(Screen):
         self.news = news
 
     def compose(self) -> ComposeResult:
-        from tui.widgets.breadcrumb import Breadcrumb
-
         yield Breadcrumb(
             ("@bbs", 2),
             (self.bbs.site.name, 1),
diff --git a/tui/screens/site.py b/tui/screens/site.py
index 17095c7..ba65975 100644
--- a/tui/screens/site.py
+++ b/tui/screens/site.py
@@ -6,7 +6,10 @@ from textual import work
 
 from core.models import BBS
 from core.resolver import resolve_bbs
+from tui.screens.board import BoardScreen
+from tui.screens.news import NewsScreen
 from tui.util import format_datetime
+from tui.widgets.breadcrumb import Breadcrumb
 
 
 class SiteScreen(Screen):
@@ -18,8 +21,6 @@ class SiteScreen(Screen):
         self.handle = handle
 
     def compose(self) -> ComposeResult:
-        from tui.widgets.breadcrumb import Breadcrumb
-
         yield Breadcrumb(
             ("@bbs", 1),
             (self.handle, 0),
@@ -75,14 +76,10 @@ class SiteScreen(Screen):
             slug = event.item.name
             board = next((b for b in self.bbs.site.boards if b.slug == slug), None)
             if board:
-                from tui.screens.board import BoardScreen
-
                 self.app.push_screen(BoardScreen(self.bbs, self.handle, board))
         elif event.list_view.id == "news-list":
             idx = int(event.item.name)
             if 0 <= idx < len(self.bbs.news):
-                from tui.screens.news import NewsScreen
-
                 self.app.push_screen(
                     NewsScreen(self.bbs, self.handle, self.bbs.news[idx])
                 )
diff --git a/tui/screens/thread.py b/tui/screens/thread.py
index 820a30f..14cc998 100644
--- a/tui/screens/thread.py
+++ b/tui/screens/thread.py
@@ -8,7 +8,9 @@ from textual.widgets import Footer, Static
 from core import lexicon
 from core.models import AtUri, AuthError, BBS, Thread
 from core.records import delete_record, hydrate_replies as fetch_replies
+from tui.screens.compose import ComposeReplyScreen
 from tui.util import require_session
+from tui.widgets.breadcrumb import Breadcrumb
 from tui.widgets.post import Post
 
 
@@ -39,8 +41,6 @@ class ThreadScreen(Screen):
         board_name = next(
             (b.name for b in self.bbs.site.boards if b.slug == board_slug), board_slug
         )
-        from tui.widgets.breadcrumb import Breadcrumb
-
         yield Breadcrumb(
             ("@bbs", 3),
             (self.bbs.site.name, 2),
@@ -168,8 +168,6 @@ class ThreadScreen(Screen):
         ):
             quote = self._replies_map.get(focused.record_uri)
 
-        from tui.screens.compose import ComposeReplyScreen
-
         self.app.push_screen(
             ComposeReplyScreen(self.bbs, self.handle, self.thread, quote=quote)
         )