diff --git a/src/routes/+page.svelte b/src/routes/+page.svelte
index fdff28e..387a8fd 100644
--- a/src/routes/+page.svelte
+++ b/src/routes/+page.svelte
@@ -30,12 +30,13 @@
 
 	function applyWidths() {
 		if (!gridEl) return;
-		// 7 Spalten: panel 8px panel 8px panel 8px panel(rest)
-		// Letztes Panel füllt den verfügbaren Platz
-		const cols = panelWidths.map((w, i) => {
-			if (i < panelWidths.length - 1) return `${w}px 8px`;
-			return `minmax(80px, 1fr)`;
-		}).join(' ');
+		const available = gridEl.clientWidth - 24; // 3 Handles × 8px
+		const total = panelWidths[0] + panelWidths[1] + panelWidths[2] + panelWidths[3];
+
+		// Letztes Panel bekommt den Restplatz (mindestens 80px)
+		const lastWidth = Math.max(80, panelWidths[3] + (available - total));
+
+		const cols = `${panelWidths[0]}px 8px ${panelWidths[1]}px 8px ${panelWidths[2]}px 8px ${lastWidth}px`;
 		gridEl.style.gridTemplateColumns = cols;
 	}
 
@@ -186,7 +187,7 @@
 
 	.grid {
 		display: grid;
-		grid-template-columns: 220px 8px 1fr 8px 1fr 8px 1fr;
+		grid-template-columns: 220px 8px 1fr 8px 1fr 8px 380px;
 		height: 100%;
 	}