.site-announcement {
    --sa-accent: #38bdf8;
    --sa-bg: rgba(14, 165, 233, 0.14);
    --sa-border: rgba(56, 189, 248, 0.28);
    --sa-text: #e0f2fe;
    --sa-muted: rgba(224, 242, 254, 0.82);

    position: relative;
    z-index: 40;
    border-bottom: 1px solid var(--sa-border);
    background:
        linear-gradient(90deg, rgba(255, 255, 255, 0.04), transparent 40%),
        var(--sa-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.site-announcement--success {
    --sa-accent: #34d399;
    --sa-bg: rgba(16, 185, 129, 0.14);
    --sa-border: rgba(52, 211, 153, 0.28);
    --sa-text: #d1fae5;
    --sa-muted: rgba(209, 250, 229, 0.85);
}

.site-announcement--warning {
    --sa-accent: #fbbf24;
    --sa-bg: rgba(245, 158, 11, 0.14);
    --sa-border: rgba(251, 191, 36, 0.28);
    --sa-text: #fef3c7;
    --sa-muted: rgba(254, 243, 199, 0.88);
}

.site-announcement--danger {
    --sa-accent: #f87171;
    --sa-bg: rgba(239, 68, 68, 0.14);
    --sa-border: rgba(248, 113, 113, 0.28);
    --sa-text: #fee2e2;
    --sa-muted: rgba(254, 226, 226, 0.88);
}

.site-announcement__container {
    max-width: 72rem;
    margin: 0 auto;
    padding: 0.75rem 3rem 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.875rem;
}

.site-announcement__accent {
    width: 3px;
    align-self: stretch;
    border-radius: 999px;
    background: linear-gradient(180deg, var(--sa-accent), transparent);
    flex-shrink: 0;
}

.site-announcement__badge {
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 999px;
    display: grid;
    place-items: center;
    flex-shrink: 0;
    font-size: 1.05rem;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.site-announcement__content {
    flex: 1;
    min-width: 0;
    text-align: start;
}

.site-announcement__label {
    margin: 0 0 0.15rem;
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--sa-accent);
}

.site-announcement__message {
    margin: 0;
    font-size: 0.875rem;
    line-height: 1.55;
    color: var(--sa-text);
    word-break: break-word;
}

.site-announcement__link {
    color: #fff;
    text-decoration: underline;
    text-underline-offset: 2px;
    text-decoration-color: rgba(255, 255, 255, 0.35);
    transition: text-decoration-color 0.2s ease;
}

.site-announcement__link:hover {
    text-decoration-color: currentColor;
}

.site-announcement__close {
    position: absolute;
    top: 50%;
    inset-inline-end: 0.75rem;
    transform: translateY(-50%);
    width: 2rem;
    height: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.06);
    color: var(--sa-muted);
    cursor: pointer;
    display: grid;
    place-items: center;
    font-size: 0.875rem;
    line-height: 1;
    transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.site-announcement__close:hover {
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    border-color: rgba(255, 255, 255, 0.2);
}

.site-announcement.is-hidden {
    display: none;
}

@media (max-width: 640px) {
    .site-announcement__container {
        padding: 0.625rem 2.75rem 0.625rem 0.75rem;
        gap: 0.625rem;
    }

    .site-announcement__badge {
        width: 2rem;
        height: 2rem;
        font-size: 0.95rem;
    }

    .site-announcement__message {
        font-size: 0.8125rem;
    }
}