style(theme): update "Start anyway" link styles for improved visibility and interaction

app/ui/theme.py

@@ -809,12 +809,14 @@ ul.options[role="listbox"] li {
     color: rgba(255, 255, 255, 0.3) !important;
     cursor: not-allowed !important;
 }
-/* Host "Start anyway" override — green underlined text link, not a button. */
-#lobby-start-anyway {
-    text-align: center !important;
-    margin-top: 6px !important;
-}
-#lobby-start-anyway button {
+/* Host "Start anyway" override — green underlined text link, not a button.
+   Gradio 6 puts elem_id/elem_classes on the <button> itself, so style the
+   element directly. Also cover a descendant button + the class, so this holds
+   whether or not Gradio wraps the control. */
+#lobby-start-anyway,
+#lobby-start-anyway button,
+.lobby-start-link,
+.lobby-start-link button {
     background: transparent !important;
     background-color: transparent !important;
     border: none !important;
@@ -822,18 +824,29 @@ ul.options[role="listbox"] li {
     width: auto !important;
     min-width: 0 !important;
     padding: 2px 4px !important;
+    margin: 6px auto 0 !important;
+    display: block !important;
     color: var(--green) !important;
     font-weight: 600 !important;
     text-decoration: underline !important;
     text-underline-offset: 3px !important;
     cursor: pointer !important;
 }
-#lobby-start-anyway button:hover {
+#lobby-start-anyway:hover,
+#lobby-start-anyway button:hover,
+.lobby-start-link:hover,
+.lobby-start-link button:hover {
     filter: brightness(1.15) !important;
     transform: none !important;
+    background: transparent !important;
 }
+#lobby-start-anyway:disabled,
+#lobby-start-anyway[disabled],
 #lobby-start-anyway button:disabled,
-#lobby-start-anyway button[disabled] {
+#lobby-start-anyway button[disabled],
+.lobby-start-link:disabled,
+.lobby-start-link button:disabled,
+.lobby-start-link button[disabled] {
     color: rgba(255, 255, 255, 0.3) !important;
     text-decoration: underline !important;
     cursor: not-allowed !important;