.toast-stack {
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 1400;
    pointer-events: none;
}

.toast-stack__item {
    min-width: min(320px, calc(100vw - 32px));
    padding: 12px 16px;
    border: 1px solid rgba(245, 215, 110, 0.3);
    border-radius: 18px;
    background: rgba(16, 20, 24, 0.94);
    color: #f8fafc;
    box-shadow: 0 20px 34px rgba(0, 0, 0, 0.24);
    transform: translateY(10px);
    opacity: 0;
    animation: toast-in 0.18s ease forwards;
}

@keyframes toast-in {
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@media (max-width: 640px) {
    .toast-stack {
        left: 14px;
        right: 14px;
        bottom: 14px;
    }

    .toast-stack__item {
        min-width: 0;
        width: 100%;
    }
}