/* ============================================================================
   MITCON Credensia — Announcement Bar Component
   ----------------------------------------------------------------------------
   Mobile-first. Sticky-style above navbar. Dismissible with smooth slide-up.
   ============================================================================ */

.announcement-bar {
  /* Subtle gradient using our brand tokens — feels premium without being loud */
  background: linear-gradient(
    90deg,
    var(--color-primary-dark) 0%,
    var(--color-primary) 50%,
    var(--color-primary-dark) 100%
  );
  color: var(--color-text-on-primary);
  font-size: var(--fs-sm);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  position: relative;
  z-index: var(--z-announcement);

  /* For dismiss animation */
  max-height: 200px;                                  /* sufficient for any wrap */
  overflow: hidden;
  transition:
    max-height var(--duration-base) var(--ease-out),
    opacity var(--duration-fast) var(--ease-out),
    padding var(--duration-base) var(--ease-out),
    border-color var(--duration-base) var(--ease-out);
}

/* Dismissed state — collapses cleanly */
.announcement-bar.is-dismissed {
  max-height: 0;
  opacity: 0;
  border-color: transparent;
  pointer-events: none;
}

/* ============================================================================
   1. CONTENT WRAPPER
   ============================================================================ */
.announcement-bar__content {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding-block: var(--space-2);
  min-height: var(--announcement-height);
  flex-wrap: wrap;
}

@media (min-width: 48em) {
  .announcement-bar__content {
    flex-wrap: nowrap;
    gap: var(--space-4);
    padding-block: var(--space-2);
  }
}

/* ============================================================================
   2. ICON
   ============================================================================ */
.announcement-bar__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-accent);                         /* orange icon pops on blue */
  width: 28px;
  height: 28px;
  background-color: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-full);
}

/* ============================================================================
   3. TEXT BLOCK (eyebrow + message)
   ============================================================================ */
.announcement-bar__text {
  flex: 1;
  min-width: 0;                                       /* allows truncation if needed */
  display: flex;
  flex-direction: column;
  gap: 2px;
  line-height: var(--lh-snug);
}

@media (min-width: 48em) {
  .announcement-bar__text {
    flex-direction: row;
    align-items: baseline;
    gap: var(--space-3);
  }
}

.announcement-bar__eyebrow {
  display: inline-block;
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
  text-transform: uppercase;
  letter-spacing: var(--ls-widest);
  color: var(--color-accent);
  white-space: nowrap;
  flex-shrink: 0;
}

.announcement-bar__message {
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--color-text-on-primary);
  /* Smart truncation — show full text on hover via title (set via JS optionally) */
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

@media (min-width: 48em) {
  .announcement-bar__message {
    /* Single line on tablet/desktop — adds polish */
    display: block;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
  }
}

@media (min-width: 64em) {
  .announcement-bar__message {
    /* Full message on desktop */
    white-space: normal;
    overflow: visible;
  }
}

/* ============================================================================
   4. CTA LINK
   ============================================================================ */
.announcement-bar__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  color: var(--color-text-on-primary);
  background-color: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.20);
  border-radius: var(--radius-full);
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
  min-height: 32px;                                   /* a bit smaller than 44 — bar is dense */
  transition: var(--transition-color), transform var(--duration-fast) var(--ease-out);
}

.announcement-bar__cta:hover {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-text-on-accent);
  transform: translateX(2px);
}

.announcement-bar__cta:focus-visible {
  outline: var(--focus-ring-width) var(--focus-ring-style) var(--color-bg);
  outline-offset: var(--focus-ring-offset);
}

.announcement-bar__cta svg {
  transition: transform var(--duration-fast) var(--ease-out);
}

.announcement-bar__cta:hover svg {
  transform: translateX(2px);
}

/* ============================================================================
   5. DISMISS BUTTON
   ============================================================================ */
.announcement-bar__dismiss {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;

  width: 32px;
  height: 32px;
  /* WCAG 2.5.5 — increase tappable area without changing visual size */
  position: relative;
  margin-left: auto;                                  /* mobile: push to right edge */

  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.20);
  border-radius: var(--radius-full);
  color: rgba(255, 255, 255, 0.85);
  cursor: pointer;

  transition: var(--transition-color);
}

/* Invisible expander — extends touch target to 44×44 */
.announcement-bar__dismiss::before {
  content: "";
  position: absolute;
  inset: -6px;
  /* Empty — just enlarges the click area */
}

.announcement-bar__dismiss:hover {
  background-color: rgba(255, 255, 255, 0.12);
  color: var(--color-text-on-primary);
  border-color: rgba(255, 255, 255, 0.40);
}

.announcement-bar__dismiss:focus-visible {
  outline: var(--focus-ring-width) var(--focus-ring-style) var(--color-bg);
  outline-offset: var(--focus-ring-offset);
}

@media (min-width: 48em) {
  .announcement-bar__dismiss {
    margin-left: 0;
  }
}

/* ============================================================================
   6. PRINT — hide announcement bar entirely when printing
   ============================================================================ */
@media print {
  .announcement-bar {
    display: none !important;
  }
}

/* ============================================================================
   7. REDUCED MOTION — kill the slide-up animation
   ============================================================================ */
@media (prefers-reduced-motion: reduce) {
  .announcement-bar {
    transition: none;
  }
  .announcement-bar.is-dismissed {
    display: none;
  }
}

/* ============================================================================
   8. HIGH-CONTRAST FALLBACK (Windows accessibility)
   ============================================================================ */
@media (prefers-contrast: more), (forced-colors: active) {
  .announcement-bar {
    background: Canvas;
    color: CanvasText;
    border-bottom: 2px solid CanvasText;
  }

  .announcement-bar__icon,
  .announcement-bar__eyebrow {
    color: LinkText;
  }

  .announcement-bar__cta,
  .announcement-bar__dismiss {
    border-color: ButtonText;
    color: ButtonText;
    background: ButtonFace;
  }
}