05/19 Enhance codes

extension/popup/popup.css

@@ -932,6 +932,7 @@ body {
   background: #e0f2fe;
   color: #0369a1;
 }
+
 /* ── Three-dot flyout menu ───────────────────────────────────────────────── */
 
 .pk-flyout {
@@ -940,7 +941,7 @@ body {
   background: #ffffff;
   border: 1px solid #e5e7eb;
   border-radius: 8px;
-  box-shadow: 0 4px 16px rgba(0,0,0,0.13);
+  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.13);
   min-width: 150px;
   padding: 4px 0;
   display: flex;
@@ -972,9 +973,20 @@ body {
   color: #6b7280;
 }
 
+.pk-flyout-info {
+  padding: 6px 12px 7px;
+  font-size: 11px;
+  color: #9ca3af;
+  border-top: 1px solid #f3f4f6;
+  margin-top: 2px;
+  user-select: none;
+}
+
 /* ── Collapsible folder groups ────────────────────────────────────────────── */
 
-.pk-group { margin-bottom: 2px; }
+.pk-group {
+  margin-bottom: 2px;
+}
 
 .pk-group-header {
   display: flex;
@@ -988,7 +1000,9 @@ body {
   transition: background 0.1s;
 }
 
-.pk-group-header:hover { background: #f0f4ff; }
+.pk-group-header:hover {
+  background: #f0f4ff;
+}
 
 .pk-group-name {
   font-size: 12px;
@@ -1091,4 +1105,4 @@ body {
 .reprompt-actions .btn-primary,
 .reprompt-actions .btn-ghost {
   margin-top: 0;
-}
+}