Upload main.css

styles/main.css

@@ -739,6 +739,8 @@ a:hover {
 
 .source-toggle-info {
     flex: 1;
+    min-width: 0; /* Allow flex child to shrink below content size */
+    overflow: hidden;
 }
 
 .source-toggle-name {
@@ -749,6 +751,11 @@ a:hover {
 .source-toggle-url {
     font-size: 0.75rem;
     color: var(--text-muted);
+    /* Prevent long URLs from breaking modal layout */
+    word-break: break-all;
+    overflow-wrap: anywhere;
+    max-width: 100%;
+    display: block;
 }
 
 .source-toggle-category {