Update app.py

app.py

@@ -44,9 +44,8 @@ def log_entry(tab, inputs, result, note=""):
 def load_journal():
     try:
         if not LOG_PATH.exists():
-            return pd.DataFrame(columns=["timestamp","tab","inputs","result","note"])
+            return "No entries yet."
         df = pd.read_csv(LOG_PATH)
-        # Convert to markdown for nice display
         if df.empty:
             return "No entries yet."
         return df.tail(20).to_markdown(index=False)
@@ -591,7 +590,6 @@ def plot_corona():
         width=500, height=400
     )
     return fig
-
 # ========== CSS ==========
 css = f"""
 body, .gradio-container {{ background: {BG} !important; color: {TXT} !important; }}
@@ -814,7 +812,6 @@ with gr.Blocks(css=css, title="K R&D Lab · S1 Biomedical") as demo:
         with gr.TabItem("S1-D · R5a · CSF/BM 🔴"):
             gr.HTML(proj_badge("S1-D · R5a", "LNP Corona in CSF · Vitreous · Bone Marrow", "🔴 0 prior studies"))
             gr.Markdown("> Planned for Q2–Q3 2026")
-
         # === S1-E · PHYLO-BIOMARKERS ===
         # Розкоментовано проблемну вкладку "оце" - Liquid Biopsy
         with gr.TabItem("S1-E · R1a · Liquid Biopsy"):
@@ -917,9 +914,10 @@ with gr.Blocks(css=css, title="K R&D Lab · S1 Biomedical") as demo:
             with gr.Row():
                 note_text = gr.Textbox(label="📝 Observation", placeholder="What did you discover?", lines=3)
                 note_tab  = gr.Textbox(label="Project code (e.g. S1-A·R1a)", value="General")
-            save_btn = gr.Button("💾 Save", variant="primary")
-            clear_btn = gr.Button("🗑️ Clear Journal", variant="secondary")
-            refresh_btn = gr.Button("🔄 Refresh")
+            with gr.Row():
+                save_btn = gr.Button("💾 Save", variant="primary")
+                refresh_btn = gr.Button("🔄 Refresh")
+                clear_btn = gr.Button("🗑️ Clear Journal", variant="secondary")
             journal_display = gr.Markdown(value=load_journal())
             
             save_btn.click(save_note, [note_text, note_tab], journal_display)