.notification {
position: fixed;
bottom: 20px;
right: 20px;
padding: 12px 20px;
background: var(--accent);
color: #fff;
border-radius: 8px;
box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
z-index: 1000;
opacity: 0;
transform: translateY(20px);
transition: opacity var(--transition-speed), transform var(--transition-speed);
}
.notification.show {
opacity: 1;
transform: translateY(0);
}