bf phase v

static/js/main.js

@@ -547,35 +547,16 @@
                 }
             }
 
-            // Show/hide back to top button
-            if (currentScroll > 300) {
-                backToTopBtn.style.display = 'flex';
-            } else {
-                backToTopBtn.style.display = 'none';
-            }
-
-            // Add/remove at-bottom class for both buttons
-            if (isAtBottom) {
-                if (backToTopBtn) backToTopBtn.classList.add('at-bottom');
-                if (infoBtn) infoBtn.classList.add('at-bottom');
-            } else {
-                if (backToTopBtn) backToTopBtn.classList.remove('at-bottom');
-                if (infoBtn) infoBtn.classList.remove('at-bottom');
-            }
+            // Show/hide back to top button + at-bottom positioning
+            backToTopBtn.style.display = currentScroll > 300 ? 'flex' : 'none';
+            backToTopBtn?.classList.toggle('at-bottom', isAtBottom);
+            infoBtn?.classList.toggle('at-bottom', isAtBottom);
 
             lastScrollTop = currentScroll <= 0 ? 0 : currentScroll;
         }, false);
 
-        // Back to top button click handler
-        const backToTopBtn = document.getElementById('back-to-top');
-        if (backToTopBtn) {
-            backToTopBtn.addEventListener('click', function() {
-                window.scrollTo({
-                    top: 0,
-                    behavior: 'smooth'
-                });
-            });
-        }
+        // Back to top - now uses native anchor link with CSS smooth scroll
+        // No click handler needed! Native <a href="#top"> with scroll-behavior: smooth
     }
 
     // =============================================================================