/* ── Scrollbar 숨김 ── */
html {
  scrollbar-width: none;
  -ms-overflow-style: none;
}
html::-webkit-scrollbar { display: none; }

body {
  background: #000;
  color: #fff;
  overflow-x: hidden;
}

/* ── 돌아가기 버튼 ── */
.back-btn {
  position: fixed;
  top: 20px;
  left: 20px;
  z-index: 200;
  font-family: 'NUEcriture';
  font-size: 14px;
  color: #fff;
  opacity: 1;
  letter-spacing: 0.5px;
}
.back-btn:hover { opacity: 1; }

@media (max-width: 500px) {
  .back-btn {
    top: 16px;
    left: 16px;
  }
}

/* ── Archive container ── */
.archive {
  padding: 80px 0 160px 0;
}

/* ── Entry row: 텍스트 컬럼 + 이미지 스택 ── */
.entry-row {
  display: flex;
  align-items: flex-start;
  padding: 12px 0;
}

/* 대주제: left 20px 시작, width 160px */
.col-major {
  font-family: 'NUEcriture';
  font-size: 14px;
  width: 160px;
  flex-shrink: 0;
  padding-left: 20px;
  box-sizing: border-box;
  opacity: 0.7;
  line-height: 1.4;
  white-space: nowrap;
}

/* 중주제: left 160px, width 180px → 합산 340px */
.col-mid {
  font-family: 'NUEcriture';
  font-size: 14px;
  width: 180px;
  flex-shrink: 0;
  opacity: 0.7;
  line-height: 1.4;
  white-space: nowrap;
}

/* 소주제 + 이미지 스택: left 340px ~ */
.col-right {
  flex: 1;
  min-width: 0;
}

.sub-label {
  display: block;
  font-family: 'NUEcriture';
  font-size: 14px;
  opacity: 0.7;
  line-height: 1.4;
  margin-bottom: 5px;
}

/* ── Image stack (collapsed → expanded 모두 같은 요소) ── */
.img-stack {
  display: flex;
  align-items: flex-start;
  cursor: pointer;
  transition: transform 5.5s ease;
  /* width / overflow 는 JS가 open 시 직접 지정 */
}

.img-stack.open {
  cursor: grab;
}

/* ── Thumbnails ── */
.stack-thumb {
  height: 80px;
  width: auto;
  opacity: 0.5;
  flex-shrink: 0;
  margin-right: -40px;
  vertical-align: top;
  user-select: none;
  -webkit-user-drag: none;
  transition: height 0s ease, margin-right 0.1s ease, opacity 1s ease;
}

.stack-thumb:last-child {
  margin-right: 0;
}


/* 확장 상태: 높이 고정, 너비 자동 (가로/세로 모두 자연 비율) */
.img-stack.open .stack-thumb {
  height: 320px;
  width: auto;
  margin-right: 20px;
  opacity: 1;
}

.img-stack.open .stack-thumb:last-child {
  margin-right: 0;
}

@media (max-width: 800px) {
  body {
    overflow-x: hidden;
  }

  .archive {
    padding: 60px 0 100px;
  }

  .entry-row {
    flex-direction: column;
    padding: 10px 16px;
  }

  .col-major {
    width: auto;
    padding-left: 0;
    white-space: normal;
    font-size: 11px;
    margin-bottom: 1px;
  }

  .col-mid {
    width: auto;
    white-space: normal;
    font-size: 11px;
    margin-bottom: 1px;
  }

  .sub-label {
    font-size: 11px;
  }

  .entry-new-major:not(:first-child) {
    margin-top: 28px;
  }

  /* 기본(접힌) 상태: 겹친 썸네일 그대로, 네이티브 가로 스와이프 */
  .img-stack {
    overflow-x: scroll;
    -webkit-overflow-scrolling: touch;
  }

  /* 스크롤바 숨김 */
  .img-stack::-webkit-scrollbar { display: none; }
  .img-stack { scrollbar-width: none; }

  /* 열린 상태: 스냅 적용 */
  .img-stack.open {
    scroll-snap-type: x mandatory;
  }

  .img-stack.open .stack-thumb {
    scroll-snap-align: start;
    height: 213px;
  }
}