diff --git a/src/lib/components/CanvasView.svelte b/src/lib/components/CanvasView.svelte
index add6cb6..bab3a8a 100644
--- a/src/lib/components/CanvasView.svelte
+++ b/src/lib/components/CanvasView.svelte
@@ -118,18 +118,20 @@
 		return rectBeside(a, slot.dir, s);
 	}
 
-	/** The add-page button: a 24 px circle centred on the anchor's free edge, 6 px out. */
+	/**
+	 * Hit area of the add-page button: 48 px square touching the middle of the anchor's
+	 * free edge. The visible 32 px circle sits centred in it, 8 px off the page.
+	 */
 	function plusRect(slot: Slot): Rect | null {
 		const a = doc.rectOf(slot.anchor);
 		if (!a) return null;
-		const d = 24 / viewport.scale;
-		const gap = 6 / viewport.scale;
+		const d = 48 / viewport.scale;
 		const cx = a.x + (a.width - d) / 2;
 		const cy = a.y + (a.height - d) / 2;
-		if (slot.dir === 'right') return { x: a.x + a.width + gap, y: cy, width: d, height: d };
-		if (slot.dir === 'left') return { x: a.x - gap - d, y: cy, width: d, height: d };
-		if (slot.dir === 'down') return { x: cx, y: a.y + a.height + gap, width: d, height: d };
-		return { x: cx, y: a.y - gap - d, width: d, height: d };
+		if (slot.dir === 'right') return { x: a.x + a.width, y: cy, width: d, height: d };
+		if (slot.dir === 'left') return { x: a.x - d, y: cy, width: d, height: d };
+		if (slot.dir === 'down') return { x: cx, y: a.y + a.height, width: d, height: d };
+		return { x: cx, y: a.y - d, width: d, height: d };
 	}
 
 	/** Run a tree change without the anchor page jumping on screen. */
@@ -295,10 +297,11 @@
 
 		// Fingers ink only when enabled and no pen has been used; otherwise they pan/zoom.
 		const fingerInks = tools.inking && settings.data.fingerDraw && !palm.penSeen;
-		// Taps on an add-page button get the same palm policy as writing.
+		// Taps on an add-page button are palm-checked like navigation: still rejected for
+		// pen-down, palm-sized contacts and right after pen use, but not for the 5 s pen session.
 		const plus = target.closest<HTMLElement>('.ghost');
 		if (e.pointerType === 'touch') {
-			const decision = palm.evaluate(e, fingerInks || plus ? 'draw' : 'navigate');
+			const decision = palm.evaluate(e, fingerInks && !plus ? 'draw' : 'navigate');
 			if (!decision.accept) return; // palm: ignore entirely
 			touches.set(e.pointerId, p);
 			if (touches.size >= 2) {
@@ -395,7 +398,7 @@
 
 		// A touch stroke is cut off as soon as the palm policy rejects it
 		// (e.g. the pen just came into range).
-		if (gesture.pointerType === 'touch' && !palm.evaluate(e).accept) {
+		if (gesture.pointerType === 'touch' && !palm.evaluate(e, gesture.kind === 'add' ? 'navigate' : 'draw').accept) {
 			cancelGesture();
 			return;
 		}
@@ -434,7 +437,7 @@
 		const g = gesture;
 		gesture = null;
 		if (g.kind === 'add') {
-			if (e.type === 'pointerup' && (g.pointerType !== 'touch' || palm.evaluate(e).accept)) addPage(g.slot.anchor, g.slot.dir);
+			if (e.type === 'pointerup' && (g.pointerType !== 'touch' || palm.evaluate(e, 'navigate').accept)) addPage(g.slot.anchor, g.slot.dir);
 		} else if (g.kind === 'draw') {
 			live = null;
 			if (e.type === 'pointerup') doc.addStroke(g.pageId, g.rec.stroke);
@@ -608,7 +611,7 @@
 						title="Add page ({slot.dir})"
 						onclick={(e) => e.detail === 0 && addPage(slot.anchor, slot.dir)}
 					>
-						<CirclePlusIcon size="100%" strokeWidth={1.5} />
+						<span class="plus"><CirclePlusIcon size="100%" strokeWidth={1.5} /></span>
 					</button>
 				{/if}
 			{/each}
@@ -733,9 +736,9 @@
 	.ghost {
 		position: absolute;
 		display: grid;
-		background: var(--bg-canvas);
+		place-items: center;
+		background: none;
 		border: 0;
-		border-radius: 50%;
 		padding: 0;
 		color: var(--faint);
 		cursor: pointer;
@@ -745,6 +748,13 @@
 	.ghost:focus-visible {
 		color: var(--accent);
 	}
+	.ghost .plus {
+		display: grid;
+		width: calc(32px / var(--s));
+		height: calc(32px / var(--s));
+		border-radius: 50%;
+		background: var(--bg-canvas);
+	}
 	.slot {
 		position: absolute;
 		display: grid;