Fix production environment variables

- Remove old Confluence variables
- Add NEXT_PUBLIC_API_URL for API access

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

src/styles/select.css

@@ -0,0 +1,24 @@
+/* Custom select styling for cross-browser consistency */
+.custom-select {
+  -webkit-appearance: none;
+  -moz-appearance: none;
+  appearance: none;
+  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
+  background-repeat: no-repeat;
+  background-position: right 0.5rem center;
+  background-size: 1.5em 1.5em;
+  padding-right: 2.5rem;
+}
+
+.dark .custom-select {
+  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%239ca3af' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
+}
+
+/* Safari-specific fixes */
+@media not all and (min-resolution:.001dpcm) {
+  @supports (-webkit-appearance:none) {
+    .custom-select {
+      padding-right: 2.5rem;
+    }
+  }
+}