Increase size of unread and activity indicators

- Increase indicator size from 6px to 10px for better visibility
- Increase spinner border from 1.5px to 2px
- Add transparent top border for cleaner spinner animation

Author: built-by-as

styles.css

@@ -115,8 +115,8 @@
 
   .unread-indicator {
     display: none;
-    width: 6px;
-    height: 6px;
+    width: 10px;
+    height: 10px;
     border-radius: 50%;
     margin-right: 6px;
   }
@@ -128,7 +128,8 @@
 
   .tab.activity .unread-indicator {
     display: inline-block;
-    border: 1.5px solid #eab308;
+    border: 2px solid #eab308;
+    border-top-color: transparent;
     background-color: transparent;
     animation: spin 1s linear infinite;
   }