function mpToast(text) { let t = document.getElementById('mpToast'); if (!t) { t = document.createElement('div'); t.id = 'mpToast'; t.style.cssText = 'position:fixed;bottom:80px;left:50%;transform:translateX(-50%);background:#333;color:#fff;padding:10px 20px;border-radius:24px;font-size:14px;z-index:9999;opacity:0;transition:opacity .3s;pointer-events:none'; document.body.appendChild(t); } t.textContent = text; t.style.opacity = '1'; clearTimeout(window._mpToastT); window._mpToastT = setTimeout(() => { t.style.opacity = '0'; }, 1800); }