.step.completed:not(:last-child)::after{background-color:#038e83}.success-message,.error-message{padding:15px 20px;border-radius:10px;margin:20px 0;font-size:14px;font-weight:500;text-align:center;box-shadow:0 4px 12px rgba(0,0,0,.15)}.success-message{background-color:#e8f5e8;color:#2e7d32;border-left:4px solid #4caf50}.error-message{background-color:#ffebee;color:#c62828;border-left:4px solid #c62828}.loading-spinner{border:3px solid #f3f3f3;border-top:3px solid #038e83;border-radius:50%;width:20px;height:20px;animation:spin 1s linear infinite;display:inline-block;margin-right:10px}