.style.bottom = '18px';
        t.style.left = '50%';
        t.style.transform = 'translateX(-50%)';
        t.style.background = 'rgba(15,23,42,0.92)';
        t.style.color = '#fff';
        t.style.padding = '0.6rem 0.9rem';
        t.style.borderRadius = '999px';
        t.style.fontWeight = '700';
        t.style.zIndex = '9999';
        t.style.boxShadow = '0 6px 30px rgba(0,0,0,0.25)';
        document.body.appendChild(t);
        setTimeout(() => t.remove(), 2200);
      }

      els.startBtn.addEv