.ad-slot {
    box-sizing: border-box;
    width: min(100% - 2rem, 48rem);
    min-height: var(--ad-slot-mobile-height, 76px);
    margin: 0 auto;
    padding: 0.75rem 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    border: 1px dashed #cbd5e1;
    border-radius: 0.75rem;
    background: rgb(248 250 252 / 0.65);
    color: #64748b;
    text-align: center;
}

.dark .ad-slot {
    border-color: #475569;
    background: rgb(17 24 39 / 0.65);
    color: #94a3b8;
}

.ad-slot__label {
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.ad-slot__message {
    font-size: 0.75rem;
    line-height: 1.25rem;
}

@media (min-width: 640px) {
    .ad-slot {
        min-height: var(--ad-slot-desktop-height, 104px);
    }
}