Fix shell styling after clear and update the README screenshot

README.md

@@ -13,7 +13,7 @@ Investigating many vessels or companies through the Equasis website is slow and
 equasis-cli turns it into scriptable commands that produce tables, JSON, JSON Lines, or
 CSV, handle batches of hundreds of vessels, and summarize the signals researchers look for.
 
-![Screenshot of the equasis-cli interactive shell](https://github.com/user-attachments/assets/d8efd954-438b-4e91-b000-8391b2f0321f)
+![The equasis-cli interactive shell showing the profile of EVER GIVEN](https://raw.githubusercontent.com/rhinonix/equasis-cli/main/docs/images/interactive-shell.png)
 
 ## Features
 

src/equasis_cli/tui/app.py

@@ -190,6 +190,7 @@ def _append(self, text: str) -> None:
         lines = combined.split("\n")
         if len(lines) > MAX_OUTPUT_LINES:
             combined = "\n".join(lines[-MAX_OUTPUT_LINES:])
+            self._forget_banner()
         scrolling = self.app.layout.has_focus(self.output_buffer)
         position = (
             min(self.output_buffer.cursor_position, len(combined)) if scrolling else len(combined)
@@ -199,6 +200,12 @@ def _append(self, text: str) -> None:
 
     def clear(self) -> None:
         self.output_buffer.set_document(Document("", 0), bypass_readonly=True)
+        self._forget_banner()
+
+    def _forget_banner(self) -> None:
+        """Stop styling the first lines as the banner once it is no longer there."""
+        self.lexer.banner_lines = 0
+        self.lexer.art_lines = 0
 
     def _invalidate(self) -> None:
         if self.app.is_running:

tests/test_tui_app.py

@@ -116,6 +116,18 @@ def test_output_is_capped(shell: InteractiveShell) -> None:
     assert len(shell.output_buffer.text.split("\n")) <= MAX_OUTPUT_LINES
 
 
+def test_banner_styling_ends_when_the_banner_is_cleared(shell: InteractiveShell) -> None:
+    styles = shell.lexer.lex_document(shell.output_buffer.document)
+    assert styles(0)[0][0] == "class:banner-art"
+
+    shell.clear()
+    shell.write(f"{PROMPT}vessel /imo 9811000\nEVER GIVEN (IMO 9811000)")
+
+    styles = shell.lexer.lex_document(shell.output_buffer.document)
+    assert styles(0)[0][0] == "class:echo"
+    assert styles(1)[0][0] == ""
+
+
 def test_lexer_highlights_messages() -> None:
     lexer = OutputLexer(banner_lines=0, art_lines=0)
     document = Document(