/* ============================================================
 * Celltune Language Banner v2.1 — Friendly Welcoming Tone
 * ============================================================ */

#ct-lang-banner {
  position: sticky;
  top: 0;
  z-index: 9999;
  background: #f4f0f9;
  color: #472a75;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans KR', sans-serif;
  font-size: 14px;
  line-height: 1.5;
  border-bottom: 1px solid rgba(71, 42, 117, 0.12);
  transform: translateY(-100%);
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

#ct-lang-banner.ct-lang-banner-show {
  transform: translateY(0);
}

#ct-lang-banner.ct-lang-banner-hidden {
  transform: translateY(-100%);
}

.ct-lang-banner-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.ct-lang-banner-text {
  flex: 1 1 auto;
  min-width: 0;
}

.ct-lang-banner-greeting {
  font-weight: 600;
  color: #472a75;
}

.ct-lang-banner-message {
  color: #4a3568;
}

.ct-lang-banner-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #472a75;
  color: #fff;
  text-decoration: none;
  padding: 8px 16px;
  border-radius: 6px;
  font-weight: 500;
  font-size: 13px;
  white-space: nowrap;
  transition: background 0.15s, transform 0.15s;
  flex-shrink: 0;
}

.ct-lang-banner-cta:hover {
  background: #5a3a8e;
  color: #fff;
}

.ct-lang-banner-cta:hover .ct-lang-banner-arrow {
  transform: translateX(2px);
}

.ct-lang-banner-arrow {
  transition: transform 0.15s ease;
}

.ct-lang-banner-close {
  background: transparent;
  border: none;
  color: rgba(71, 42, 117, 0.5);
  cursor: pointer;
  padding: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  transition: color 0.15s, background 0.15s;
  flex-shrink: 0;
}

.ct-lang-banner-close:hover {
  color: #472a75;
  background: rgba(71, 42, 117, 0.08);
}

.ct-lang-banner-close:focus-visible {
  outline: 2px solid #472a75;
  outline-offset: 2px;
}

/* 태블릿 (1024px 이하) */
@media (max-width: 1024px) {
  .ct-lang-banner-inner {
    gap: 12px;
  }
  .ct-lang-banner-cta {
    font-size: 13px;
    padding: 7px 14px;
  }
}

/* 모바일 (768px 이하) */
@media (max-width: 768px) {
  #ct-lang-banner {
    font-size: 13px;
  }
  .ct-lang-banner-inner {
    padding: 10px 12px;
    gap: 10px;
    flex-wrap: wrap;
  }
  .ct-lang-banner-text {
    flex: 1 1 calc(100% - 40px);
    order: 1;
    font-size: 13px;
    line-height: 1.4;
  }
  .ct-lang-banner-close {
    order: 2;
    padding: 4px;
  }
  .ct-lang-banner-cta {
    order: 3;
    flex: 0 0 auto;
    font-size: 12px;
    padding: 6px 12px;
  }
}

/* 소형 모바일 (480px 이하) */
@media (max-width: 480px) {
  .ct-lang-banner-greeting {
    display: block;
    margin-bottom: 2px;
  }
}