.site-announcement {
  position: relative;
  z-index: 3;
  width: 100%;
  color: var(--color-text, #102033);
  background: color-mix(in srgb, var(--color-primary, #2f6fe4) 9%, var(--color-surface, #fff));
  border-bottom: 1px solid color-mix(in srgb, var(--color-primary, #2f6fe4) 26%, transparent);
}

.site-announcement-inner {
  width: min(calc(100% - 40px), var(--nova-content-max, 1440px));
  min-height: 48px;
  margin: 0 auto;
  padding: 8px env(safe-area-inset-right) 8px env(safe-area-inset-left);
  box-sizing: border-box;
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr) 40px;
  align-items: center;
  gap: 10px;
}

.site-announcement.is-fixed .site-announcement-inner {
  grid-template-columns: 26px minmax(0, 1fr);
}

.site-announcement.severity-warning {
  background: color-mix(in srgb, #d98b00 13%, var(--color-surface, #fff));
  border-bottom-color: color-mix(in srgb, #d98b00 42%, transparent);
}

.site-announcement.severity-warning .site-announcement-mark { background: #a86400; }

.site-announcement.severity-critical {
  background: color-mix(in srgb, #c62828 12%, var(--color-surface, #fff));
  border-bottom-color: color-mix(in srgb, #c62828 44%, transparent);
}

.site-announcement.severity-critical .site-announcement-mark { background: #b42318; }

.site-announcement-mark {
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  color: var(--color-on-primary, #fff);
  background: var(--color-primary, #2f6fe4);
  border-radius: 50%;
  font: 800 13px/1 ui-sans-serif, system-ui, sans-serif;
}

.site-announcement-copy {
  min-width: 0;
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 13px;
  line-height: 1.45;
}

.site-announcement-copy strong { flex: 0 0 auto; font-size: 13px; }
.site-announcement-copy span { min-width: 0; color: var(--color-text-muted, #5a6978); }
.site-announcement-copy a { flex: 0 0 auto; color: var(--color-link, #1759bc); font-weight: 750; }

.site-announcement-close {
  width: 40px;
  height: 40px;
  padding: 0;
  border: 0;
  color: currentColor;
  background: transparent;
  border-radius: 12px;
  font-size: 24px;
  cursor: pointer;
}

.site-announcement-close:hover { background: color-mix(in srgb, currentColor 8%, transparent); }
.site-announcement-close:focus-visible { outline: 3px solid var(--color-focus, #2f6fe4); outline-offset: 1px; }

@media (max-width: 700px) {
  .site-announcement-inner {
    width: calc(100% - 24px);
    min-height: 54px;
    grid-template-columns: 22px minmax(0, 1fr) 40px;
    gap: 8px;
  }

  .site-announcement.is-fixed .site-announcement-inner {
    grid-template-columns: 22px minmax(0, 1fr);
  }

  .site-announcement-copy {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 1px 8px;
  }

  .site-announcement-copy strong,
  .site-announcement-copy span { grid-column: 1; }
  .site-announcement-copy a { grid-column: 2; grid-row: 1 / span 2; align-self: center; }
}

@media (max-width: 390px) {
  .site-announcement-copy { grid-template-columns: 1fr; }
  .site-announcement-copy a { grid-column: 1; grid-row: auto; }
}