.popup{position:fixed;top:20px;right:20px;max-width:300px;color:#fff;font-weight:500;font-family:Segoe UI,sans-serif;font-size:16px;padding:16px 24px;border-radius:12px;box-shadow:0 8px 16px #00000040;text-align:center;opacity:0;transform:translateY(-20px);pointer-events:none;transition:all .4s ease;z-index:1000}.popup.show{opacity:1;transform:translateY(0);pointer-events:auto}.popup.success{background:linear-gradient(135deg,#fbbf24,#f59e0b);border-left:1px solid #d97706;color:#1f2937}.popup.error{background:linear-gradient(135deg,#ef4444,#dc2626);border-left:1px solid #b91c1c;color:#fff}