.migration-announcement {
    position: relative;
    margin-bottom: 24px;
    padding: 20px 24px;
    border-radius: 16px;
    background: linear-gradient(145deg, #f4f9ff 0%, #ffffff 100%);
    box-shadow: 0 18px 40px rgba(15, 30, 67, 0.08);
    color: #0f1e43;
    overflow: hidden;
    transition: height 0.3s ease, margin 0.3s ease, padding 0.3s ease, opacity 0.25s ease;
}

.migration-announcement--secondary {
    background: linear-gradient(145deg, #fef8ed 0%, #ffffff 100%);
    box-shadow: 0 18px 40px rgba(77, 48, 6, 0.1);
    color: #3a2803;
}

.migration-announcement__close {
    position: absolute;
    top: 14px;
    right: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 50%;
    background: rgba(15, 30, 67, 0.08);
    color: inherit;
    font-size: 18px;
    line-height: 1;
    cursor: pointer;
    transition: background 0.2s ease, opacity 0.2s ease;
}

.migration-announcement--secondary .migration-announcement__close {
    background: rgba(58, 40, 3, 0.12);
}

.migration-announcement__close:hover,
.migration-announcement__close:focus {
    background: rgba(15, 30, 67, 0.16);
    opacity: 0.85;
}

.migration-announcement--secondary .migration-announcement__close:hover,
.migration-announcement--secondary .migration-announcement__close:focus {
    background: rgba(58, 40, 3, 0.2);
}

.migration-announcement__title {
    margin: 0 48px 12px 0;
    font-size: 20px;
    font-weight: 700;
    line-height: 1.3;
}

.migration-announcement__paragraph {
    margin-bottom: 12px;
    font-size: 16px;
    line-height: 1.5;
}

.migration-announcement__list {
    margin: 0 0 12px 0;
    padding-left: 20px;
    font-size: 16px;
    line-height: 1.5;
}

.migration-announcement__list-item + .migration-announcement__list-item {
    margin-top: 6px;
}

.migration-announcement__footer {
    margin: 0;
    font-size: 15px;
    line-height: 1.5;
}

.migration-announcement__link {
    font-weight: 600;
    color: inherit;
    text-decoration: underline;
}

.migration-announcement__link:hover,
.migration-announcement__link:focus {
    text-decoration: none;
}

.migration-announcement--hidden {
    pointer-events: none;
}

@media (max-width: 767.98px) {
    .migration-announcement {
        padding: 16px 20px;
    }

    .migration-announcement__title {
        margin-right: 40px;
        font-size: 18px;
    }

    .migration-announcement__paragraph,
    .migration-announcement__list,
    .migration-announcement__footer {
        font-size: 15px;
    }
}