/* =============================================================================
   8. SITE — ANNOUNCEMENT BAR
   Dismissible via a CSS-only checkbox toggle — no JavaScript required.
   ============================================================================= */
/* Depends on: tokens.css, components/button.css (.btn--link), base/motion.css (glow-pulse keyframe). */
.announcement-dismiss {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.announcement-bar {
  display: none !important;
  visibility: hidden !important;
  height: 0 !important;
  min-height: 0 !important;
  margin: 0 !important;
  padding: 0 !important;
  border: none !important;
  pointer-events: none !important;
}

.announcement-bar__status {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent-strong);
  flex-shrink: 0;
  animation: glow-pulse 2.4s ease-in-out infinite;
}

.announcement-bar__text {
  font-size: var(--text-xs);
  font-weight: var(--fw-medium);
}

/* Redesigned as a small pill chip rather than a bare underlined text link,
   so it reads as a clear, tappable CTA against the announcement bar's own
   background instead of blending into it. Wording/arrow unchanged. */
.announcement-bar__link {
  gap: 0.3rem;
  font-size: var(--text-2xs);
  font-weight: var(--fw-semibold);
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  border: 1px solid var(--color-accent-border);
  color: var(--color-accent-strong);
  white-space: nowrap;
  transition: background var(--transition-base), border-color var(--transition-base),
    color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
}

.announcement-bar__link:hover {
  background: var(--color-accent-strong);
  border-color: var(--color-accent-strong);
  color: var(--color-surface);
  transform: translateY(-1px);
  box-shadow: var(--shadow-btn-hover);
}

.announcement-bar__close {
  position: absolute;
  right: var(--space-4);
  top: 0.7rem;
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0.6;
  border-radius: 6px;
  transition: opacity var(--transition-base);
}

.announcement-bar__close:hover {
  opacity: 1;
}

.announcement-bar__close-icon {
  position: relative;
  width: 12px;
  height: 12px;
}

.announcement-bar__close-icon span {
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: 1.5px;
  background: var(--color-text-primary);
}

.announcement-bar__close-icon span:first-child {
  transform: rotate(45deg);
}

.announcement-bar__close-icon span:last-child {
  transform: rotate(-45deg);
}

.announcement-dismiss:checked ~ .announcement-bar {
  display: none;
}

.announcement-dismiss:focus-visible ~ .announcement-bar .announcement-bar__close {
  outline: 2px solid var(--color-accent-strong);
  outline-offset: 2px;
}

@media (max-width: 520px) {
  .announcement-bar {
    padding: 0.65rem 2.5rem;
    font-size: var(--text-xs);
  }
}

/* Dark-mode announcement surface uses the same cool glass language as the
   navbar, while keeping every existing control and dismissal behavior. */
:root[data-theme="dark"] .announcement-bar {
  background: linear-gradient(100deg, oklch(19% 0.045 278 / 0.9), oklch(15% 0.036 230 / 0.92));
  color: var(--color-text-primary);
  border-bottom: 1px solid color-mix(in oklch, var(--color-glow), transparent 76%);
  box-shadow: 0 1px 0 oklch(100% 0 0 / 0.055) inset;
  backdrop-filter: blur(16px) saturate(135%);
  -webkit-backdrop-filter: blur(16px) saturate(135%);
}

:root[data-theme="dark"] .announcement-bar__status {
  background: var(--color-glow);
  box-shadow: 0 0 10px var(--color-glow);
}

:root[data-theme="dark"] .announcement-bar__text {
  color: var(--color-text-primary);
}

:root[data-theme="dark"] .announcement-bar__link {
  background: color-mix(in oklch, var(--color-bg-card), transparent 16%);
  border-color: color-mix(in oklch, var(--color-glow), transparent 58%);
  color: var(--color-glow);
  box-shadow: 0 1px 0 oklch(100% 0 0 / 0.08) inset;
}

:root[data-theme="dark"] .announcement-bar__link:hover,
:root[data-theme="dark"] .announcement-bar__link:focus-visible {
  background: color-mix(in oklch, var(--color-accent), var(--color-glow) 24%);
  border-color: var(--color-glow);
  color: var(--color-text-on-accent);
  box-shadow: 0 8px 18px oklch(68% 0.18 215 / 0.22);
  outline: none;
}

:root[data-theme="dark"] .announcement-bar__close {
  opacity: 0.82;
  color: var(--color-text-primary);
}

:root[data-theme="dark"] .announcement-bar__close:hover {
  background: oklch(100% 0 0 / 0.09);
  opacity: 1;
}

:root[data-theme="dark"] .announcement-dismiss:focus-visible ~ .announcement-bar .announcement-bar__close {
  outline-color: var(--color-glow);
}