feat(ui): extend minimal doctor design across all screens

Refs #85

dashboard/pages/3_Сплит-экран.py

@@ -15,12 +15,12 @@ sys.path.insert(0, str(Path(__file__).resolve().parents[1]))
 
 from console import widgets as w  # noqa: E402
 
+from dashboard import theme  # noqa: E402
+from dashboard.components import ui  # noqa: E402
+
 st.set_page_config(page_title="Сплит-экран", page_icon="🖥️", layout="wide", initial_sidebar_state="collapsed")
-st.markdown(
-    "<style>.block-container{padding-top:1.2rem;max-width:100%} "
-    "[data-testid='stMarkdownContainer'] p, [data-testid='stMarkdownContainer'] li{font-size:1.08rem}</style>",
-    unsafe_allow_html=True,
-)
+st.html(theme.CSS)
+st.html(ui.page_header("Сплит-экран", "Пациент и врач: сопровождение в реальном времени.", kicker="Демонстрация"))
 
 persona = w.select_persona()
 w.show_flash()
@@ -44,15 +44,15 @@ if clicked and nxt is not None:
     st.rerun()
 
 left, right = st.columns([1.1, 1], gap="large")
-with left:
+with left, st.container(border=True, key="panel-split-patient"):
     url = w.patient_web_url()
     if url:
-        st.markdown(f"#### 📱 Пациент — {persona.get('display_name') or token}")
+        st.markdown(f"#### Пациент — {persona.get('display_name') or token}")
         st.iframe(url, height=760)
         st.caption(f"Веб-приложение пациента: {url}")
     else:
-        st.markdown(f"#### 💬 Пациент — {persona.get('display_name') or token}")
+        st.markdown(f"#### Пациент — {persona.get('display_name') or token}")
         w.render_chat(token, height=600, key="split-chat")
-with right:
-    st.markdown("#### 🩺 Кабинет врача — д-р Смирнова Е. А.")
+with right, st.container(border=True, key="panel-split-doctor"):
+    st.markdown("#### Кабинет врача — д-р Смирнова Е. А.")
     w.polled_doctor_panel(token, key="split-doc")