.app-toast {
    position: fixed;
    bottom: calc(var(--nav-height, 64px) + 12px);
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    background: #2D3436;
    color: #fff;
    padding: 10px 18px;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 600;
    z-index: 2000;
    opacity: 0;
    pointer-events: none;
    max-width: 90vw;
    text-align: center;
    transition: opacity 0.25s, transform 0.25s;
}
.app-toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}
@media (min-width: 769px) {
    .app-toast {
        bottom: 24px;
    }
}