/* ═══════════════════════════════════════════════════════════
   COMPONENT: Conference Banner
   ═══════════════════════════════════════════════════════════ */

/* Push the fixed nav and ruler down to sit below the banner */
:root { --banner-h: 0px; }
body > nav { top: var(--banner-h); }
.ruler { top: calc(var(--nav-h) + var(--banner-h)); }

.conference-banner {
  background: var(--color-primary-950);
  border-bottom: 1px solid rgba(1, 158, 219, 0.25);
  padding: 0 var(--space-10);
  font-size: var(--text-sm);
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.conference-banner__inner {
  width: 100%;
  max-width: var(--content-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: var(--space-4);
  min-height: 48px;
}

.conference-banner.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.conference-banner.is-hiding {
  opacity: 0;
  transform: translateY(-4px);
}

.conference-banner__text {
  color: var(--text-secondary);
  margin: 0;
  flex: 1;
  text-align: left;
}

.conference-banner__favicon {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: none;
  border-radius: 2px;
  margin: 0 5px 0 0;
  vertical-align: -3px;
  filter: saturate(0) brightness(2) opacity(0.6);
}

.conference-banner__text strong {
  color: var(--text);
  font-weight: var(--weight-medium);
}

.conference-banner__text a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid rgba(237, 241, 244, 0.25);
  transition: color 0.15s, border-color 0.15s;
}

.conference-banner__text a:hover {
  color: var(--text);
  border-bottom-color: rgba(237, 241, 244, 0.6);
}

.conference-banner__text a:active {
  color: var(--text-secondary);
  border-bottom-color: rgba(237, 241, 244, 0.25);
}

.conference-banner__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.conference-banner__cta-primary {
  display: inline-flex;
  align-items: center;
  background: transparent;
  color: #ffffff;
  border: 1px solid var(--border-bright);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  padding: 5px 14px;
  border-radius: 3px;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}

.conference-banner__cta-primary:hover {
  border-color: var(--primary);
  color: #ffffff;
  background: rgba(1, 158, 219, 0.15);
}

.conference-banner__cta-primary:active {
  border-color: var(--text-muted);
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.04);
}

.conference-banner__cta-primary:visited {
  color: #ffffff;
}

.conference-banner__cta-primary:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.conference-banner__cta-secondary {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: #ffffff;
  text-decoration: none;
  white-space: nowrap;
  border-bottom: 1px solid rgba(237, 241, 244, 0.2);
  transition: color 0.15s, border-color 0.15s;
}

.conference-banner__cta-secondary:hover {
  color: #ffffff;
  border-bottom-color: rgba(255, 255, 255, 0.5);
}

.conference-banner__cta-secondary:active {
  color: var(--text-secondary);
  border-bottom-color: rgba(237, 241, 244, 0.2);
}

.conference-banner__cta-secondary:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-radius: 2px;
}

.conference-banner__dismiss {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: var(--space-2);
  line-height: 1;
  font-size: 14px;
  flex-shrink: 0;
  transition: color 0.15s;
  border-radius: 3px;
}

.conference-banner__dismiss:hover {
  color: var(--text);
}

.conference-banner__dismiss:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* ── Mobile ───────────────────────────────────────────────── */
@media (max-width: 640px) {
  .conference-banner {
    padding: 0 var(--space-4);
  }

  .conference-banner__inner {
    flex-wrap: wrap;
    padding: var(--space-3) 0;
    padding-right: var(--space-8);
    gap: var(--space-2);
    min-height: unset;
    position: relative;
    justify-content: flex-start;
  }

  .conference-banner__text {
    width: 100%;
    text-align: left;
  }

  .conference-banner__actions {
    width: 100%;
  }

  .conference-banner__dismiss {
    position: absolute;
    top: var(--space-3);
    right: 0;
  }
}