enhance reference interactions

_sass/custom.scss

@@ -0,0 +1,21 @@
+/* ==========================================================================
+   My Custom Classes
+   ========================================================================== */
+
+
+.publication-actions {
+}
+
+// Common styling for all publication action buttons if needed beyond .btn and .btnId
+.btnPub--action {
+
+  i.fas { // Style for Font Awesome icons within these buttons
+    margin-right: 0.4em; // Space between icon and text
+  }
+}
+
+// Ensure buttons that become disabled have appropriate styling (often handled by themes)
+button:disabled {
+  opacity: 0.65;
+  cursor: not-allowed;
+}

_sass/minimal-mistakes.scss

@@ -35,3 +35,6 @@
 @import "minimal-mistakes/archive";
 @import "minimal-mistakes/sidebar";
 @import "minimal-mistakes/print";
+
+/* My custom classes */
+@import "custom";