/* 시설 안내 서브페이지 전용 스타일 (인사말 페이지 위에 얹는 레이어) */

/* ── 층별 탭 ───────────────────────────────────────────────── */
.fac__tabs {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  justify-content: center;
  gap: 0;
  margin: 8px 0 36px;
  padding: 0;
}

.fac__tab {
  appearance: none;
  border: 1px solid var(--color-line-normal-normal);
  background: var(--color-background-elevated-normal);
  border-radius: 999px;
  padding: 11px 22px;
  font: inherit;
  color: var(--color-label-neutral);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1px;
  line-height: 1.25;
  transition: color .15s ease;
  min-width: 156px;
  letter-spacing: -0.02em;
  position: relative;
  outline: none;
  -webkit-tap-highlight-color: transparent;
}
.fac__tab:focus-visible {
  outline: 2px solid var(--color-primary-normal);
  outline-offset: 2px;
}

.fac__tab-lab {
  font-size: 18px;
  font-weight: 700;
}

.fac__tab-sub {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-label-alternative);
}

.fac__tab:not(.fac__tab--on):hover {
  border-color: var(--color-label-alternative);
  color: var(--color-label-strong);
}

.fac__tab--on {
  background: var(--color-background-elevated-normal);
  border: 1px solid #E94335;
  color: var(--color-primary-normal);
}
.fac__tab--on .fac__tab-sub {
  color: var(--color-primary-strong);
}

.fac__tab-sep {
  display: flex;
  align-items: center;
  padding: 0 10px;
}
.fac__tab-sep::before {
  content: "";
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-line-solid-normal);
  display: block;
}

/* ── 좌(사진) + 우(세부공간) 레이아웃 ─────────────────────── */
.fac__layout {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  gap: 28px;
  align-items: stretch;
}

.fac__media {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 0;
}

/* ── 사진 슬라이더 ────────────────────────────────────────── */
.fac__photo {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: 20px;
  overflow: hidden;
  background: #E6EEFC;
  box-shadow: var(--shadow-2);
  isolation: isolate;
}

.fac__photo-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity .7s ease;
  z-index: 0;
}
.fac__photo-img--on { opacity: 1; z-index: 1; }

.fac__photo::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 35%;
  background: linear-gradient(180deg, rgba(0,0,0,0) 0%, rgba(0,0,0,0.45) 100%);
  z-index: 2;
  pointer-events: none;
}
.fac__photo--empty::after { display: none; }

.fac__photo--empty {
  background: linear-gradient(135deg, #1d3868 0%, #2c5fa0 60%, #4f8acb 100%);
}

.fac__photo-emptybox {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  color: #fff;
  text-align: center;
  padding: 24px;
}
.fac__photo-empty-ico { opacity: .85; }
.fac__photo-empty-name {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.03em;
}
.fac__photo-empty-sub {
  font-size: 14px;
  opacity: .75;
  letter-spacing: -0.01em;
}

/* nav arrows */
.fac__photo-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.94);
  border: 0;
  color: #1d3868;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 3;
  transition: background .15s ease, transform .15s ease;
}
.fac__photo-nav:hover {
  background: #fff;
  transform: translateY(-50%) scale(1.06);
}
.fac__photo-nav:active { transform: translateY(-50%) scale(.98); }
.fac__photo-nav--prev { left: 16px; }
.fac__photo-nav--next { right: 16px; }

/* counter pill */
.fac__photo-counter {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 3;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.55);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

/* dots */
.fac__photo-dots {
  position: absolute;
  bottom: 18px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 3;
}
.fac__photo-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.55);
  border: 0;
  cursor: pointer;
  padding: 0;
  transition: background .2s ease, width .2s ease;
}
.fac__photo-dot--on {
  background: #fff;
  width: 28px;
}

.fac__photo-cap {
  position: absolute;
  left: 24px;
  bottom: 50px;
  z-index: 3;
  color: #fff;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.025em;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.55);
}

/* caption below photo */
.fac__caption {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 4px 4px 0;
}
.fac__caption-floor {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-label-alternative);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.fac__caption-room {
  font-size: 22px;
  font-weight: 800;
  color: var(--color-label-strong);
  letter-spacing: -0.03em;
}
.fac__caption-desc {
  font-size: 14px;
  color: var(--color-label-neutral);
  line-height: 1.55;
  margin-top: 6px;
}

/* ── 세부 공간 그리드 ─────────────────────────────────────── */
.fac__rooms-wrap {
  display: flex;
  flex-direction: column;
  border-radius: 20px;
  /* 스티치(점선) 테두리 — 사업부 컬러로 살짝 톤다운 */
  border: 1.5px dashed var(--bu, var(--color-primary-normal));
  background: var(--bu-bg-soft, var(--color-background-alternative));
  overflow: hidden;
}

.fac__rooms-head {
  padding: 22px 24px 18px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  border-bottom: 1.5px dashed var(--bu, var(--color-line-normal-normal));
  background: transparent;
}
.fac__rooms-eyebrow {
  font-size: 13px;
  font-weight: 700;
  color: var(--bu, var(--color-primary-normal));
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.fac__rooms-title {
  font-size: 22px;
  font-weight: 800;
  color: var(--color-label-strong);
  letter-spacing: -0.03em;
  margin-top: 2px;
}
.fac__rooms-count {
  font-size: 14px;
  color: var(--color-label-alternative);
  margin-top: 4px;
}

.fac__rooms-grid {
  padding: 16px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  flex: 1;
  align-content: start;
  background: transparent;
}

.fac__room {
  appearance: none;
  border: 1px solid var(--color-line-normal-normal);
  background: var(--color-background-elevated-normal);
  border-radius: 12px;
  padding: 18px 12px;
  font: inherit;
  font-weight: 500;
  font-size: 17px;
  color: var(--color-label-neutral);
  cursor: pointer;
  transition: color .12s ease;
  text-align: center;
  position: relative;
  letter-spacing: -0.02em;
  line-height: 1.3;
  outline: none;
  -webkit-tap-highlight-color: transparent;
}
.fac__room:focus-visible {
  outline: 2px solid var(--color-primary-normal);
  outline-offset: 2px;
}

.fac__room:not(.fac__room--on):hover {
  border-color: var(--color-label-alternative);
  color: var(--color-label-strong);
}

.fac__room--on {
  border: 1px solid #E94335;
  color: var(--color-primary-normal);
  font-weight: 700;
  background: var(--color-background-elevated-normal);
}

/* ── 다크 모드 보정 ───────────────────────────────────────── */
[data-dark="true"] .fac__tab {
  background: var(--color-background-elevated-normal);
  border-color: var(--color-line-normal-normal);
}
[data-dark="true"] .fac__tab--on {
  background: var(--color-background-elevated-normal);
  border: 1px solid #E94335;
  color: var(--color-primary-normal);
}
[data-dark="true"] .fac__rooms-wrap {
  background: var(--color-background-alternative);
}
[data-dark="true"] .fac__rooms-head {
  background: transparent;
}
[data-dark="true"] .fac__room {
  background: var(--color-background-elevated-normal);
  border-color: var(--color-line-normal-normal);
}
[data-dark="true"] .fac__room--on {
  background: var(--color-background-elevated-normal);
  border: 1px solid #E94335;
  color: var(--color-primary-normal);
}
[data-dark="true"] .fac__photo {
  background: var(--color-background-alternative);
}

/* ── 반응형 ───────────────────────────────────────────────── */
@media (max-width: 980px) {
  .fac__layout { grid-template-columns: 1fr; }
  .fac__photo-cap { font-size: 18px; }
}

@media (max-width: 720px) {
  .fac__tabs {
    overflow-x: auto;
    flex-wrap: nowrap;
    justify-content: flex-start;
    padding: 0 16px 8px;
    margin: 8px -16px 28px;
    scrollbar-width: none;
  }
  .fac__tabs::-webkit-scrollbar { display: none; }
  .fac__tab { min-width: auto; flex-shrink: 0; padding: 10px 16px; }
  .fac__tab-lab { font-size: 14px; }
  .fac__tab-sub { font-size: 12px; }
  .fac__photo-nav { width: 40px; height: 40px; }
  .fac__photo-cap { left: 16px; bottom: 42px; font-size: 16px; }
}

/* ===== 모바일(480px 이하) 최적화 — 시설 안내 ===== */
@media (max-width: 480px) {
  .fac__photo-cap { display: none; }
  .fac__photo-nav { width: 36px; height: 36px; top: auto; bottom: 12px; transform: none; }
  .fac__photo-nav--prev { left: 8px; }
  .fac__photo-nav--next { right: 8px; }
  .fac__photo-counter { font-size: 13px; padding: 4px 10px; }
  .fac__rooms-head { padding: 14px 14px 12px; }
  /* 모바일에서도 2열 유지 (사용자 요청) — 1열은 너무 길어짐 */
  .fac__rooms-grid { grid-template-columns: 1fr 1fr; gap: 6px; padding: 12px; }
  .fac__room { padding: 14px 10px; font-size: 14px; }
  .fac__caption-room { font-size: 18px; }
  .fac__photo-empty-name { font-size: 20px; }
  .fac__tabs { scrollbar-width: thin; }
  .fac__tabs::-webkit-scrollbar { display: block; height: 4px; }
}