fix: clamp student popover position to stay within viewport vertically

TODO.md

@@ -1,3 +1,4 @@
 # TODO
 
 - [x] Fix relinked file not appearing in FilePond UI: switch to ID-based input lookup
+- [x] Fix student name popover overflowing below viewport: clamp position so popover stays within screen bounds

app/public/assets/js/app/repertoire-student-popover.js

@@ -15,6 +15,16 @@
 		if (left + 300 > window.innerWidth + window.scrollX) {
 			left = r.left + window.scrollX - 312;
 		}
+		// Keep popover within viewport vertically
+		var popHeight = popover.offsetHeight || 300;
+		var viewBottom = window.innerHeight + window.scrollY;
+		if (top + popHeight > viewBottom) {
+			top = viewBottom - popHeight - 8;
+			// Don't shift above the viewport top
+			if (top < window.scrollY) {
+				top = window.scrollY + 8;
+			}
+		}
 		popover.style.left = `${left}px`;
 		popover.style.top = `${top}px`;
 	}