Update app.py

app.py

@@ -152,176 +152,189 @@ def generate_pdf(report, filepath):
     width, height = A4
     y = height - 60
 
-    # Modern gradient background header
-    c.setFillColor(colors.HexColor("#f8fafc"))
-    c.rect(0, height - 120, width, 120, fill=1, stroke=0)
+    # Background gradient effect (simulated with rectangles)
+    c.setFillColor(colors.Color(0.97, 0.98, 1, alpha=1))  # Very light blue
+    c.rect(0, 0, width, height, fill=1, stroke=0)
     
-    # Subtle gradient effect
-    for i in range(40):
-        alpha = 0.02 - (i * 0.0005)
-        c.setFillColor(colors.Color(0.0, 0.37, 0.54, alpha))
-        c.rect(0, height - 80 - i, width, 1, fill=1, stroke=0)
+    # Header background with gradient effect
+    c.setFillColor(colors.Color(0.85, 0.93, 0.98, alpha=1))
+    c.rect(0, height-120, width, 120, fill=1, stroke=0)
 
     # Logo with modern styling
     try:
         if os.path.exists(LOGO_PATH):
-            # Add subtle shadow effect
-            c.setFillColor(colors.Color(0, 0, 0, 0.1))
-            c.circle(95, y + 35, 45, fill=1, stroke=0)
-            c.drawImage(LOGO_PATH, 50, y, width=90, preserveAspectRatio=True, mask='auto')
+            # Add circular background for logo
+            c.setFillColor(colors.white)
+            c.circle(90, y, 35, fill=1, stroke=1)
+            c.setStrokeColor(colors.Color(0.2, 0.4, 0.8, alpha=1))
+            c.setLineWidth(2)
+            c.circle(90, y, 35, fill=0, stroke=1)
+            c.drawImage(LOGO_PATH, 60, y-25, width=60, preserveAspectRatio=True, mask='auto')
     except Exception as e:
         logger.warning("Logo error: %s", str(e))
-        # Fallback: Modern circular placeholder
-        c.setFillColor(colors.HexColor("#e0f2fe"))
-        c.setStrokeColor(colors.HexColor("#0ea5e9"))
-        c.setLineWidth(3)
-        c.circle(95, y + 35, 40, fill=1, stroke=1)
-        c.setFont("Helvetica-Bold", 16)
-        c.setFillColor(colors.HexColor("#0369a1"))
-        c.drawCentredString(95, y + 30, "LOGO")
 
-    # Modern title with enhanced typography
+    # Modern title with gradient-like effect
     c.setFont("Helvetica-Bold", 24)
-    c.setFillColor(colors.HexColor("#1e293b"))
+    c.setFillColor(colors.Color(0.1, 0.3, 0.6, alpha=1))  # Deep blue
     c.drawCentredString(width / 2, y + 10, "Skin Lesion Diagnosis Report")
     
-    # Elegant subtitle
+    # Subtitle
     c.setFont("Helvetica", 12)
-    c.setFillColor(colors.HexColor("#64748b"))
-    c.drawCentredString(width / 2, y - 10, "AI-Powered Medical Analysis")
+    c.setFillColor(colors.Color(0.4, 0.5, 0.7, alpha=1))
+    c.drawCentredString(width / 2, y - 10, "AI-Powered Medical Analysis Report")
     
-    # Modern accent line with gradient effect
-    for i in range(3):
-        c.setStrokeColor(colors.Color(0.0, 0.37, 0.54, 0.8 - i * 0.2))
-        c.setLineWidth(3 - i)
-        c.line(80, y - 25 - i, width - 80, y - 25 - i)
+    # Decorative line with gradient effect
+    c.setStrokeColor(colors.Color(0.2, 0.7, 0.8, alpha=1))
+    c.setLineWidth(3)
+    c.line(80, y - 30, width - 80, y - 30)
+    c.setStrokeColor(colors.Color(0.4, 0.8, 0.9, alpha=0.5))
+    c.setLineWidth(1)
+    c.line(80, y - 32, width - 80, y - 32)
     
     y -= 80
 
-    def modern_section_box(title, fields, extra_gap=25, accent_color="#0ea5e9"):
+    def modern_section_box(title, fields, color_scheme="blue", extra_gap=25):
         nonlocal y
         
-        # Calculate box height
+        # Color schemes
+        color_schemes = {
+            "blue": {
+                "bg": colors.Color(0.94, 0.97, 1, alpha=1),
+                "border": colors.Color(0.3, 0.6, 0.9, alpha=1),
+                "title": colors.Color(0.1, 0.3, 0.7, alpha=1),
+                "accent": colors.Color(0.2, 0.7, 0.8, alpha=1)
+            },
+            "green": {
+                "bg": colors.Color(0.94, 0.98, 0.94, alpha=1),
+                "border": colors.Color(0.3, 0.7, 0.4, alpha=1),
+                "title": colors.Color(0.1, 0.5, 0.2, alpha=1),
+                "accent": colors.Color(0.4, 0.8, 0.5, alpha=1)
+            },
+            "purple": {
+                "bg": colors.Color(0.97, 0.94, 0.98, alpha=1),
+                "border": colors.Color(0.6, 0.3, 0.8, alpha=1),
+                "title": colors.Color(0.4, 0.1, 0.6, alpha=1),
+                "accent": colors.Color(0.7, 0.4, 0.8, alpha=1)
+            },
+            "orange": {
+                "bg": colors.Color(0.99, 0.96, 0.92, alpha=1),
+                "border": colors.Color(0.9, 0.5, 0.2, alpha=1),
+                "title": colors.Color(0.7, 0.3, 0.1, alpha=1),
+                "accent": colors.Color(0.9, 0.6, 0.3, alpha=1)
+            }
+        }
+        
+        scheme = color_schemes.get(color_scheme, color_schemes["blue"])
         box_height = len(fields) * 22 + 45
-        box_top = y
-        box_bottom = y - box_height
         
-        # Modern card shadow
-        for i in range(3):
-            shadow_alpha = 0.05 - (i * 0.015)
-            c.setFillColor(colors.Color(0, 0, 0, shadow_alpha))
-            c.roundRect(52 + i, box_bottom - 2 - i, width - 104 - (i * 2), box_height, 12, fill=1, stroke=0)
+        # Main background with rounded effect (simulated)
+        c.setFillColor(scheme["bg"])
+        c.roundRect(40, y - box_height, width - 80, box_height, 8, fill=1, stroke=0)
         
-        # Main card background with subtle gradient
-        c.setFillColor(colors.white)
-        c.roundRect(50, box_bottom, width - 100, box_height, 12, fill=1, stroke=0)
+        # Border with shadow effect
+        c.setStrokeColor(scheme["border"])
+        c.setLineWidth(2)
+        c.roundRect(40, y - box_height, width - 80, box_height, 8, fill=0, stroke=1)
         
-        # Subtle border
-        c.setStrokeColor(colors.HexColor("#e2e8f0"))
-        c.setLineWidth(1)
-        c.roundRect(50, box_bottom, width - 100, box_height, 12, fill=0, stroke=1)
+        # Shadow effect
+        c.setFillColor(colors.Color(0.8, 0.8, 0.8, alpha=0.3))
+        c.roundRect(43, y - box_height - 3, width - 80, box_height, 8, fill=1, stroke=0)
         
-        # Modern section header with accent
-        c.setFillColor(colors.HexColor(accent_color))
-        c.roundRect(50, box_top - 35, width - 100, 35, 12, fill=1, stroke=0)
+        # Title bar
+        c.setFillColor(scheme["accent"])
+        c.roundRect(40, y - 35, width - 80, 35, 8, fill=1, stroke=0)
         
-        # Section title
+        # Title with icon effect
         c.setFont("Helvetica-Bold", 14)
         c.setFillColor(colors.white)
-        c.drawString(70, box_top - 25, title)
         
-        # Content area
-        y -= 55
+        # Add simple icons based on section
+        icon_map = {
+            "Patient Details": "👤",
+            "Diagnosis": "🔬", 
+            "Recommended Treatment": "💊",
+            "Suggested Medications": "🏥"
+        }
+        icon = icon_map.get(title, "📋")
+        
+        c.drawString(55, y - 25, f"{icon} {title}")
+        
+        y -= 50
         c.setFont("Helvetica", 11)
+        c.setFillColor(colors.Color(0.2, 0.2, 0.2, alpha=1))
         
-        for label, val in fields.items():
-            if label.startswith("•"):
-                # Modern bullet points
-                c.setFillColor(colors.HexColor(accent_color))
-                c.circle(80, y + 4, 2, fill=1, stroke=0)
-                c.setFillColor(colors.HexColor("#374151"))
-                c.drawString(90, y, label[2:])  # Remove bullet from text
-            else:
-                # Label-value pairs with modern styling
-                c.setFont("Helvetica-Bold", 11)
-                c.setFillColor(colors.HexColor("#6b7280"))
-                c.drawString(70, y, f"{label}:")
-                
-                c.setFont("Helvetica", 11)
-                c.setFillColor(colors.HexColor("#111827"))
-                c.drawString(70 + c.stringWidth(f"{label}: ", "Helvetica-Bold", 11), y, str(val))
+        for i, (label, val) in enumerate(fields.items()):
+            # Alternating row backgrounds
+            if i % 2 == 0:
+                c.setFillColor(colors.Color(1, 1, 1, alpha=0.5))
+                c.rect(50, y - 3, width - 100, 18, fill=1, stroke=0)
+            
+            c.setFillColor(colors.Color(0.3, 0.3, 0.3, alpha=1))
+            c.setFont("Helvetica-Bold", 10)
+            c.drawString(60, y, f"{label}:")
+            c.setFont("Helvetica", 10)
+            c.drawString(180, y, str(val))
             y -= 22
         
         y -= extra_gap
 
-    # Enhanced sections with different accent colors
-    modern_section_box("Patient Information", {
-        "Name": report["name"],
-        "Email": report["email"],
+    # Enhanced sections with different color schemes
+    modern_section_box("Patient Details", {
+        "Full Name": report["name"],
+        "Email Address": report["email"],
         "Gender": report["gender"],
-        "Age": report["age"]
-    }, accent_color="#3b82f6")
+        "Age": f"{report['age']} years old"
+    }, "blue")
 
-    modern_section_box("Clinical Diagnosis", {
-        "Prediction": report["prediction"],
-        "Confidence": report["confidence"],
-        "Clinical Note": report["message"] if report["message"] else "No additional notes"
-    }, accent_color="#10b981")
+    # Add confidence visualization
+    confidence_val = float(report["confidence"].replace('%', ''))
+    confidence_color = "green" if confidence_val > 80 else "orange" if confidence_val > 60 else "red"
+    
+    modern_section_box("Diagnosis Results", {
+        "Medical Prediction": report["prediction"],
+        "Confidence Level": f"{report['confidence']} {'🟢' if confidence_val > 80 else '🟡' if confidence_val > 60 else '🔴'}",
+        "Clinical Notes": report["message"] if report["message"] else "No additional notes"
+    }, "green")
 
     disease = report["prediction"]
     treatment = recommendations.get(disease, recommendations["Unknown"])
 
-    modern_section_box("Treatment Recommendations", {
-        f"• {line}": "" for line in treatment["solutions"]
-    }, accent_color="#f59e0b")
+    modern_section_box("Recommended Treatment Plan", {
+        f"Step {i+1}": line for i, line in enumerate(treatment["solutions"])
+    }, "purple")
 
-    modern_section_box("Prescribed Medications", {
-        f"• {line}": "" for line in treatment["medications"]
-    }, accent_color="#ef4444")
+    modern_section_box("Suggested Medications", {
+        f"Medication {i+1}": line for i, line in enumerate(treatment["medications"])
+    }, "orange")
 
-    # Modern disclaimer section
-    y -= 20
-    
-    # Disclaimer background
-    c.setFillColor(colors.HexColor("#fef3c7"))
-    c.setStrokeColor(colors.HexColor("#f59e0b"))
-    c.setLineWidth(1)
-    c.roundRect(40, 35, width - 80, 55, 8, fill=1, stroke=1)
-    
-    # Warning icon (triangle)
-    c.setFillColor(colors.HexColor("#f59e0b"))
-    c.setStrokeColor(colors.HexColor("#f59e0b"))
+    # Modern disclaimer with warning styling
+    y = 120
+    c.setFillColor(colors.Color(1, 0.95, 0.9, alpha=1))  # Light orange background
+    c.roundRect(40, 30, width - 80, 80, 8, fill=1, stroke=0)
+    c.setStrokeColor(colors.Color(0.9, 0.4, 0.1, alpha=1))
     c.setLineWidth(2)
-    triangle_points = [55, 75, 65, 75, 60, 85]
-    c.polygon(triangle_points, fill=1, stroke=1)
-    c.setFillColor(colors.white)
-    c.setFont("Helvetica-Bold", 10)
-    c.drawCentredString(60, 78, "!")
+    c.roundRect(40, 30, width - 80, 80, 8, fill=0, stroke=1)
     
-    # Disclaimer text with modern typography
-    c.setFont("Helvetica-Bold", 10)
-    c.setFillColor(colors.HexColor("#92400e"))
-    c.drawString(75, 75, "IMPORTANT DISCLAIMER")
+    # Warning icon and title
+    c.setFont("Helvetica-Bold", 12)
+    c.setFillColor(colors.Color(0.8, 0.3, 0.1, alpha=1))
+    c.drawString(55, 95, "⚠️ IMPORTANT MEDICAL DISCLAIMER")
     
+    # Disclaimer text with better formatting
     c.setFont("Helvetica", 9)
-    c.setFillColor(colors.HexColor("#78350f"))
+    c.setFillColor(colors.Color(0.5, 0.2, 0.1, alpha=1))
     disclaimer_lines = [
-        "This report is AI-generated using machine learning models and provides approximate insights only.",
-        "This analysis is NOT a substitute for professional medical advice, diagnosis, or treatment.",
-        "Always consult with qualified healthcare professionals for accurate medical assessment."
+        "This report is generated using artificial intelligence and machine learning algorithms.",
+        "The results provided are for informational purposes only and should not be considered",
+        "as a substitute for professional medical advice, diagnosis, or treatment.",
+        "Always consult with a qualified healthcare provider for proper medical evaluation."
     ]
     
-    line_y = 62
-    for line in disclaimer_lines:
-        c.drawString(75, line_y, line)
-        line_y -= 10
-
-    # Modern footer
-    c.setFont("Helvetica", 8)
-    c.setFillColor(colors.HexColor("#9ca3af"))
-    c.drawCentredString(width / 2, 15, f"Generated on {datetime.now().strftime('%B %d, %Y at %I:%M %p')} | Confidential Medical Report")
+    for i, line in enumerate(disclaimer_lines):
+        c.drawString(55, 80 - (i * 12), line)
 
     c.save()
+
 @app.route("/form")
 def form():
     return render_template("form.html", history_plot="/training_plot.png")