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

/* ── Page base ── */
body {
  background: #000000;
  color: #ffffff;
}

/* ── 스캔 선 ── */
.center-line {
  position: fixed;
  top: 15vh; /* JS가 덮어씀, 혹시 에러 시 fallback */
  left: 0;
  width: 100%;
  height: 3px;
  background: #F7FFFC;
  filter: blur(5px);
  z-index: 100;
  pointer-events: auto;
  cursor: ns-resize;
}
.center-line::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: -10px;
  bottom: -10px;
}

/* ── 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;
}

/* ── 가사 컨테이너 ── */
.lyrics-container {
  position: relative;
}

/* ── 드래그 선택 방지 ── */
.lyrics-container,
.lyric-text,
.lyric-img {
  user-select: none;
  -webkit-user-select: none;
  -webkit-user-drag: none;
}

/* ── 가사 아이템 ── */
.lyric-item {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 54px;
  padding-left: 50%;
  padding-right: 120px;
  overflow: visible;
  z-index: 1;
  opacity: 0.3;
  transition: opacity 0.3s ease;
}
.lyric-item.active {
  opacity: 1;
  z-index: 50;
}

/* ── 텍스트 (오른쪽) ── */
.lyric-text {
  font-family: 'NUEcriture';
  font-size: 20px;
  letter-spacing: 0.2px;
  text-align: left;
}
.lyric-item--chorus .lyric-text {
  font-size: 19px;
}

/* ── 이미지 (왼쪽, 절대 위치) ── */
.lyric-img {
  position: absolute;
  left: 120px;
  top: 50%;
  transform: translateY(-50%);
  width: calc(50vw - 160px);
  height: calc((50vw - 160px) * 0.6667);
  object-fit: cover;
  display: block;
  cursor: pointer;
}

@keyframes img-flicker {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.1; }
}
.lyric-img:hover {
  animation: img-flicker 1.6s ease-in-out infinite;
}

/* ── Spacer ── */
.lyric-spacer {
  min-height: 30px;
}

/* ── Lightbox ── */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  z-index: 400;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}
.lightbox.open {
  opacity: 1;
  pointer-events: auto;
}

/* 확대 이미지 wrap — JS가 가사 위치에 맞게 top 지정 */
.lightbox-img-wrap {
  position: absolute;
  left: 120px;
  transform: translateY(-50%);
  width: calc(62vw - 120px);
  z-index: 1;
}
.lightbox-img {
  display: block;
  width: 100%;
  max-height: 82vh;
  height: auto;
  object-fit: contain;
}

/* 이전/다음 커서 존 */
.lightbox-prev-zone,
.lightbox-next-zone {
  position: absolute;
  left: 0;
  width: 100%;
  height: 50%;
  z-index: 1;
}
.lightbox-prev-zone { top: 0;    cursor: n-resize; }
.lightbox-next-zone { bottom: 0; cursor: s-resize; }

/* 캡션 — body.lb-open 가사 텍스트 시작 위치(65vw)와 동일, top은 JS가 가사 아이템 하단 기준으로 지정 */
.lightbox-caption {
  position: absolute;
  left: 65vw;
  right: 120px;
  z-index: 1;
  text-align: left;
  color: #fff;
  line-height: 1.75;
  pointer-events: none;
  max-height: 38vh;
  overflow-y: auto;
  scrollbar-width: none;
}
.lightbox-caption::-webkit-scrollbar {
  display: none;
}
.lightbox-caption .caption-quote {
  display: block;
  font-family: 'NUEcriture';
  font-size: 20px;
  opacity: 1;
  margin-bottom: 12px;
}
.lightbox-caption .caption-attr {
  display: block;
  font-family: 'NUEcriture';
  font-size: 16px;
  opacity: 0.75;
  letter-spacing: 0.3px;
}

/* 닫기 버튼 */
.lightbox-close {
  position: absolute;
  top: 20px;
  right: 20px;
  z-index: 2;
  font-family: 'NUEcriture';
  font-size: 22px;
  color: #fff;
  opacity: 0.5;
  background: none;
  border: none;
  cursor: pointer;
  transition: opacity 0.2s ease;
  line-height: 1;
}
.lightbox-close:hover {
  opacity: 1;
}

/* 캡션 링크 */
.lightbox-caption a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 2px;
  pointer-events: auto;
}

/* 라이트박스 열렸을 때 가사 오른쪽으로 임시 이동 */
body.lb-open .lyric-item {
  padding-left: 65%;
  opacity: 0.1;
  transition: padding-left 0.3s ease, opacity 0.3s ease;
}

/* 라이트박스 열렸을 때 컨테이너 오버레이 위로 */
body.lb-open .lyrics-container {
  z-index: 500;
  pointer-events: none;
}

/* 해당 가사만 더 선명하게 */
body.lb-open .lyric-item.active {
  opacity: 0.75;
}

/* 라이트박스 열렸을 때 작은 이미지 숨김 (lightbox-img만 표시) */
body.lb-open .lyric-img {
  visibility: hidden;
}

/* ── 모바일 뷰포트 ── */
@media (max-width: 800px) {
  .lyric-item {
    padding-right: 16px;
  }
  .lyric-img {
    left: 60px;
    width: calc(50vw - 76px);
    height: calc((50vw - 76px) * 0.6667);
  }
  .lyric-text {
    font-size: 18px;
  }
  .lyric-item--chorus .lyric-text {
    font-size: 17px;
  }
}

@media (max-width: 500px) {

  .back-btn {
    top: 16px;
    left: 16px;
  }
  .lyric-item {
    padding-right: 10px;
  }
  .lyric-img {
    left: 16px;
    width: calc(50vw - 26px);
    height: calc((50vw - 26px) * 0.6667);
  }
  .lyric-text {
    font-size: 14px;
  }
  .lyric-item--chorus .lyric-text {
    font-size: 13px;
  }
}