 buttons
                          VoteUtils.setButtonLoading(this, false);
                      }

                      // Update selected state
                      const allButtons = parentFeedback.querySelectorAll('button');
                      VoteUtils.resetButtonStyles(allButtons);
                      VoteUtils.setSelectedState(this, true, isUpvote);

                      // Store vote in localStorage
                      localStorage.setItem(`feature-vote-${featureId}`, isUpvote ? 'up' : 'd