.toast {
    position: fixed;
    top: max(18px, env(safe-area-inset-top));
    left: 50%;
    right: auto;
    bottom: auto;
    width: max-content;
    max-width: min(92vw, 520px);
    margin: 0;
    padding: 14px 18px;
    z-index: 9999;
    border: 1px solid rgba(255, 255, 255, .22);
    border-radius: 12px;
    background: var(--navy);
    color: #fff;
    box-shadow: 0 12px 34px rgba(7, 24, 47, .34);
    opacity: 0;
    transform: translate(-50%, -12px);
    transition: opacity .2s ease, transform .2s ease;
    pointer-events: none;
    text-align: center;
    font-weight: 700;
    line-height: 1.4;
}

.toast.show {
    opacity: 1;
    transform: translate(-50%, 0);
}

.toast.error {
    background: var(--red);
}