fix(site): make the tooltip hint look like a hint, not a link

The tooltip ignores the mouse and follows the cursor, so its hint is now plain muted text about the topic instead of an accent-colored link-like line.

site/mapview.js

@@ -294,7 +294,7 @@ export function createMapView({ root, plan, data, build, onSelect }) {
       topic.areas.length ? h('div', { class: 'tip-areas' }, areaDots(topic.areas), areaLabel(topic.areas)) : null,
       h('div', { class: 'tip-meta' }, [importance ? IMPORTANCE[importance] : null, plural(topic.total, 'resource'),
         topic.links && topic.links.length ? `${topic.links.length} connected` : null].filter(Boolean).join(' · ')),
-      h('div', { class: 'tip-hint' }, 'Click for details and resources'),
+      h('div', { class: 'tip-hint' }, 'Click this topic to open its details'),
     ].filter(Boolean));
     tip.hidden = false;
     moveTip(e);

site/styles.css

@@ -426,10 +426,11 @@ button {
 }
 
 .tip-hint {
-  margin-top: 4px;
-  color: var(--accent);
+  margin-top: 6px;
+  padding-top: 6px;
+  border-top: 1px solid var(--border);
+  color: var(--muted);
   font-size: 12px;
-  font-weight: 600;
 }
 
 /* Outline view */