feat(标签布局): 统一新建标签高亮比例

assets/webui/ofdgo.css

@@ -48,6 +48,7 @@
 	display: flex;
 	min-width: 0;
 	min-height: 0;
+	padding-right: 1px;
 	overflow-x: auto;
 	scrollbar-width: none;
 	align-items: stretch;
@@ -111,6 +112,18 @@
 	background: var(--accent-soft);
 }
 
+.document-new-tab {
+	flex-basis: var(--titlebar-height, 36px);
+	width: var(--titlebar-height, 36px);
+	min-width: var(--titlebar-height, 36px);
+	align-self: stretch;
+	height: auto;
+}
+
+.document-new-tab:focus-visible {
+	outline-offset: -2px;
+}
+
 .document-title-drag {
 	flex: 1;
 	min-width: 32px;

assets/webui/ofdgo.js

@@ -6447,8 +6447,8 @@ function revealPanelTab(container) {
 	const selected = container.querySelector('[data-selected="true"]');
 	if (!selected || !container.clientWidth) return;
 	const box = selected.getBoundingClientRect(), viewport = container.getBoundingClientRect();
-	if (box.left < viewport.left) container.scrollLeft -= viewport.left - box.left;
-	else if (box.right > viewport.right) container.scrollLeft += box.right - viewport.right;
+	if (box.left < viewport.left) container.scrollLeft -= Math.ceil(viewport.left - box.left);
+	else if (box.right > viewport.right) container.scrollLeft += Math.ceil(box.right - viewport.right);
 }
 
 function renderPanelTabs(container, choices, value, change) {