Fix arrow colors and make them bigger

- Green up arrows (▲) for profits - correctly colored green now\!
- Red down arrows (▼) for losses
- Made arrows 1.4x bigger (font-size: 1.4em)
- Fixed arrow color logic to match profit/loss correctly

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

app.py

@@ -434,11 +434,11 @@ def refresh_investment_performance_table():
                 
                 # Format P&L with arrows and colors
                 if pl_dollars > 0:
-                    pl_arrow = "🔺"
+                    pl_arrow = "<span style='color: #00d647; font-size: 1.4em;'>▲</span>"
                     pl_color = "#00d647"
                     row_bg = "rgba(0, 214, 71, 0.1)"
                 elif pl_dollars < 0:
-                    pl_arrow = "🔻"
+                    pl_arrow = "<span style='color: #ff0080; font-size: 1.4em;'>▼</span>"
                     pl_color = "#ff0080"
                     row_bg = "rgba(255, 0, 128, 0.1)"
                 else:
@@ -447,8 +447,8 @@ def refresh_investment_performance_table():
                     row_bg = "rgba(139, 148, 158, 0.05)"
                 
                 # Format P&L values with styled arrows
-                pl_dollar_str = f"<span style='color: {pl_color}; font-weight: 600;'>{pl_arrow} ${abs(pl_dollars):.2f}</span>"
-                pl_percent_str = f"<span style='color: {pl_color}; font-weight: 600;'>{pl_arrow} {abs(pl_percent):.2f}%</span>"
+                pl_dollar_str = f"{pl_arrow} <span style='color: {pl_color}; font-weight: 600;'>${abs(pl_dollars):.2f}</span>"
+                pl_percent_str = f"{pl_arrow} <span style='color: {pl_color}; font-weight: 600;'>{abs(pl_percent):.2f}%</span>"
                 
                 invested_data.append({
                     'Symbol': symbol,
@@ -488,9 +488,9 @@ def refresh_investment_performance_html():
         # Determine row class based on P&L
         row_class = ""
         pl_str = str(row.get('P&L ($)', ''))
-        if '🔺' in pl_str:
+        if '▲' in pl_str:
             row_class = "profit-row"
-        elif '🔻' in pl_str:
+        elif '▼' in pl_str:
             row_class = "loss-row"
         else:
             row_class = "neutral-row"