.availability-notice {
    position: fixed;
    z-index: 1000;
    bottom: max(1.25rem, env(safe-area-inset-bottom));
    left: 50%;
    margin: 0;
    padding: 0.65rem 0.9rem;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 999px;
    background: rgba(18, 18, 20, 0.9);
    box-shadow: 0 10px 32px rgba(0, 0, 0, 0.28);
    color: #fff;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 0.78rem;
    font-weight: 650;
    letter-spacing: 0.01em;
    line-height: 1;
    opacity: 0;
    pointer-events: none;
    transform: translate(-50%, 0.4rem);
    transition: opacity 160ms ease, transform 160ms ease;
    white-space: nowrap;
}

.availability-notice.is-visible {
    opacity: 1;
    transform: translate(-50%, 0);
}

@supports (backdrop-filter: blur(12px)) {
    .availability-notice {
        backdrop-filter: blur(12px);
    }
}

@media (prefers-reduced-motion: reduce) {
    .availability-notice {
        transition: none;
    }
}