diff --git a/webroot/js/utils.js b/webroot/js/utils.js
index c7e9ca6..38d61c2 100644
--- a/webroot/js/utils.js
+++ b/webroot/js/utils.js
@@ -99,24 +99,23 @@ export function createTooltip() {
     }
 }
 
-export function showTooltip(element, text) {
+export function showTooltipAt(x, y, text) {
     createTooltip();
     tooltip.innerHTML = text;
     tooltip.style.display = 'block';
 
-    const rect = element.getBoundingClientRect();
     const tooltipRect = tooltip.getBoundingClientRect();
+    let left = x + 12; // offset from mouse pointer
+    let top = y + 12;
 
-    let left = rect.left + (rect.width / 2) - (tooltipRect.width / 2);
-    let top = rect.top - tooltipRect.height - 8;
-
-    if (left < 10) left = 10;
     if (left + tooltipRect.width > window.innerWidth - 10) {
         left = window.innerWidth - tooltipRect.width - 10;
     }
-    if (top < 10) {
-        top = rect.bottom + 8;
+    if (top + tooltipRect.height > window.innerHeight - 10) {
+        top = y - tooltipRect.height - 12;
     }
+    if (left < 10) left = 10;
+    if (top < 10) top = 10;
 
     tooltip.style.left = left + 'px';
     tooltip.style.top = top + 'px';
@@ -130,17 +129,19 @@ export function hideTooltip() {
 
 // Setup tooltip event listeners
 export function setupTooltips() {
-    document.addEventListener('mouseover', function (e) {
+    document.addEventListener('mousemove', function (e) {
         if (e.target.classList.contains('result-label')) {
             const formula = e.target.getAttribute('data-formula');
             if (formula) {
-                showTooltip(e.target, `Formel: ${formula}`);
+                showTooltipAt(e.clientX, e.clientY, `Formel: ${formula}`);
             }
         } else if (e.target.classList.contains('result-value')) {
             const formula = e.target.getAttribute('data-result-formula');
             if (formula && formula !== '') {
-                showTooltip(e.target, `Berechnung: ${formula}`);
+                showTooltipAt(e.clientX, e.clientY, `Berechnung: ${formula}`);
             }
+        } else {
+            hideTooltip();
         }
     });