.ebook-dropzone-wrap{margin:15px 0}
.ebook-dropzone{position:relative;border:2px dashed #c7c7c7;border-radius:6px;padding:20px;text-align:center;cursor:pointer}
.ebook-dropzone.dragover{border-color:#4a90e2;background:#f7fbff}
.ebook-dropzone-text{font-size:14px;color:#666}
.ebook-dropzone input[type="file"]{position:absolute;left:-9999px;top:-9999px}
.ebook-dropzone-hint{font-size:12px;color:#999;margin-top:8px}

.ebook-view-wrap{margin:20px 0}
.ebook-view-header{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.ebook-view-header strong{font-size:16px}
.ebook-view-header .ebook-view-meta{font-size:12px;color:#888}

.ebook-flipbook-toolbar{display:flex;align-items:center;gap:8px;margin:10px 0}
.ebook-flipbook-toolbar .eb-btn{padding:6px 10px;border:1px solid #ddd;background:#fff;border-radius:4px;cursor:pointer}
.ebook-flipbook-toolbar .eb-btn:hover{background:#f6f6f6}
.ebook-flipbook-toolbar .eb-page{min-width:30px;text-align:center;font-size:13px;color:#333}

.ebook-flipbook-outer{width:100%;max-width:1200px;margin:0 auto}
.ebook-flipbook{width:100%;min-height:480px;margin:0 auto;touch-action:none}
.eb-page-wrap{background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.08);}
.eb-page-wrap canvas{display:block;width:100%;height:auto}

@media (max-width:768px){
  .ebook-flipbook-outer{max-width:100%}
}

/* index-2 스타일 풍의 상단 툴바 */
.ebook-flipbook-toolbar.index2{justify-content:space-between;padding:8px 10px;border:1px solid #e5e5e5;border-radius:8px;background:#fafafa;box-shadow:0 2px 6px rgba(0,0,0,.06)}
.ebook-flipbook-toolbar.index2 .left,.ebook-flipbook-toolbar.index2 .right{display:flex;align-items:center;gap:8px}
.ebook-flipbook-toolbar.index2 .divider{display:inline-block;width:1px;height:20px;background:#e3e3e3;margin:0 4px}
.ebook-flipbook-toolbar.index2 .eb-btn{min-width:34px;height:34px;padding:0 10px;display:inline-flex;align-items:center;justify-content:center;border:1px solid #ddd;border-radius:6px;background:#fff;font-size:14px}
.ebook-flipbook-toolbar.index2 .eb-btn{transition:background .15s ease,border-color .15s ease}
.ebook-flipbook-toolbar.index2 .eb-btn:hover{background:#f1f1f1;border-color:#ccc}
.ebook-flipbook-toolbar.index2 .eb-page{min-width:36px;font-weight:600}

/* 책 하드커버 느낌 & 그림자 */
.ebook-flipbook-outer{position:relative}
.ebook-flipbook{background:#eee; padding:12px; border-radius:10px; box-shadow:inset 0 0 0 1px #e5e5e5, 0 6px 24px rgba(0,0,0,.08)}
.eb-page-wrap{background:#fff; box-shadow:0 8px 18px rgba(0,0,0,.10); border-radius:2px; overflow:hidden}

/* Zoom/Pan overlay */
.eb-zoom-indicator{font-size:12px;color:#666;margin-left:6px}
.eb-viewport-wrap{position:relative}
.eb-pan-overlay{position:absolute;inset:0;cursor:grab}
.eb-pan-overlay.dragging{cursor:grabbing}

/* Iframe embed + lightbox */
.eb-iframe-wrap{position:relative;width:100%}
.eb-iframe{width:100%;border:0;display:block}
.eb-lightbox{position:fixed;inset:0;display:none;z-index:9999}
.eb-lightbox.show{display:block}
.eb-lightbox .eb-backdrop{position:absolute;inset:0;background:rgba(0,0,0,.65)}
.eb-lightbox .eb-dialog{position:relative;z-index:1;width:92vw;max-width:1280px;height:88vh;margin:6vh auto;background:#111;border-radius:10px;box-shadow:0 12px 36px rgba(0,0,0,.4);display:flex;flex-direction:column}
.eb-lightbox .eb-head{display:flex;align-items:center;justify-content:space-between;color:#fff;padding:10px 14px;border-bottom:1px solid rgba(255,255,255,.12)}
.eb-lightbox .eb-body{flex:1}
.eb-lightbox #eb-lb-frame{width:100%;height:100%;border:0;display:block}

/* flipbook 메뉴 스타일 개선 (엔진 기본 구조 유지) */
.ebook-direct-embed .flipbook-menuTop{
  background:rgba(255,255,255,0.96);
  box-shadow:0 2px 10px rgba(0,0,0,0.12);
  padding:10px 15px;
  border-radius:8px 8px 0 0;
}

/* 메뉴 내부 flex 배치 */
.ebook-direct-embed .flipbook-menu{
  gap:8px;
}

/* 버튼 스타일 개선 */
.ebook-direct-embed .flipbook-menu-btn{
  background:#ffffff;
  border:1px solid #e0e0e0;
  border-radius:8px;
  padding:10px;
  min-width:44px;
  min-height:44px;
  box-shadow:0 1px 3px rgba(0,0,0,0.06);
  transition:all 0.2s ease;
}
.ebook-direct-embed .flipbook-menu-btn:hover{
  background:#f8f8f8;
  border-color:#bbb;
  box-shadow:0 2px 8px rgba(0,0,0,0.15);
  transform:translateY(-1px);
}

/* 페이지 번호 */
.ebook-direct-embed .flipbook-currentPageHolder{
  padding:0 10px;
  font-weight:600;
  font-size:15px;
}

/* 엔진 기본 메뉴 숨김 (커스텀 툴바만 사용) */
.ebook-direct-embed .flipbook-menuTop,
.ebook-direct-embed .flipbook-menuBottom{display:none !important}

/* 예제 리소스 누락시 장식/스피너 제거 */
.ebook-direct-embed .flipbook-spinner,
.ebook-direct-embed .flipbook-preloader,
.ebook-direct-embed .flipbook-loading,
.ebook-direct-embed .flipbook-header,
.ebook-direct-embed .flipbook-titlebar{
  background-image:none;
}

/* 엔진이 넣는 기본 스피너 <img>가 404일 때 숨김 */
.ebook-direct-embed img[src*="/src/assets/images/spinner.gif"],
.ebook-direct-embed img[src*="/assets/images/spinner.gif"]{display:none}

/* mww.kr/ebook 스타일 느낌으로 버튼 정돈 */
.ebook-direct-embed .flipbook-menuTop{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
}
.ebook-direct-embed .flipbook-menu{
  display:flex;
  align-items:center;
  gap:8px;
}
.ebook-direct-embed .flipbook-menu-btn{
  background:#fff;
  border:1px solid #dcdcdc;
  border-radius:8px;
  padding:8px 10px;
  min-width:40px;
  min-height:40px;
  line-height:1;
}
.ebook-direct-embed .flipbook-menu-btn:hover{
  background:#f7f7f7;
  border-color:#bfbfbf;
}
.ebook-direct-embed .flipbook-currentPageHolder{
  font-weight:600;
  font-size:14px;
}

/* 커스텀 상단 툴바 (index-2 스타일) */
.ebook-topbar.index2{display:flex;align-items:center;justify-content:space-between;padding:8px 10px;border:1px solid #e5e5e5;border-radius:8px;background:#fafafa;box-shadow:0 2px 6px rgba(0,0,0,.06);margin-bottom:8px}
.ebook-topbar.index2 .left,.ebook-topbar.index2 .right{display:flex;align-items:center;gap:8px}
.ebook-topbar.index2 .divider{display:inline-block;width:1px;height:20px;background:#e3e3e3;margin:0 4px}
.ebook-topbar.index2 .eb-btn{min-width:34px;height:34px;padding:0 10px;display:inline-flex;align-items:center;justify-content:center;border:1px solid #ddd;border-radius:6px;background:#fff;font-size:14px;cursor:pointer}
.ebook-topbar.index2 .eb-btn:hover{background:#f1f1f1;border-color:#ccc}
.ebook-topbar.index2 .eb-input{width:64px;height:34px;border:1px solid #ddd;border-radius:6px;padding:0 8px}
.ebook-topbar.index2 .eb-page-total{font-weight:600;color:#444}

/* 모바일 반응형 스타일 */
@media (max-width:768px){
  /* 컨테이너 전체 너비 사용 */
  .ebook-view-wrap {
    margin: 10px 0;
    padding: 0;
  }
  
  #ebook-flipbook-container {
    width: 100% !important;
    padding: 0 !important;
    margin: 0 !important;
  }
  
  /* flipbook 래퍼 전체 너비 */
  .ebook-direct-embed .flipbook-book3,
  .ebook-direct-embed .flipbook-wrapper,
  .ebook-direct-embed .flipbook-main-wrapper {
    width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
  }
  
  /* 모바일에서 flipbook-book3가 화면 너비 100%로 표시되도록 강제 */
  .ebook-direct-embed .flipbook-book3 {
    width: 100vw !important;
    max-width: 100vw !important;
    min-width: 100vw !important;
    visibility: visible !important;
    opacity: 1 !important;
    display: block !important;
    overflow: visible !important;
    margin: 0 !important;
    padding: 0 !important;
    box-sizing: border-box !important;
  }
  
  /* 모바일에서 페이지 컨테이너 화면 너비 100% 강제 */
  .ebook-direct-embed .flipbook-center-container3 {
    width: 100vw !important;
    max-width: 100vw !important;
    min-width: 100vw !important;
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
    left: 0 !important;
    margin-left: 0 !important;
    padding-left: 0 !important;
    box-sizing: border-box !important;
  }
  
  /* 좌측 여백 제거 */
  .ebook-direct-embed .flipbook-bookLayer {
    width: 100vw !important;
    max-width: 100vw !important;
    min-width: 100vw !important;
    left: 0 !important;
    margin-left: 0 !important;
    padding-left: 0 !important;
    box-sizing: border-box !important;
  }
  
  /* 페이지 전체 너비 및 여백 제거 - 모바일에서 화면 너비 100% */
  .ebook-direct-embed .flipbook-page3,
  .ebook-direct-embed .flipbook-page {
    width: 100vw !important;
    max-width: 100vw !important;
    min-width: 100vw !important;
    margin: 0 !important;
    padding: 0 !important;
    box-sizing: border-box !important;
    left: 0 !important;
    right: 0 !important;
  }
  
  /* 페이지 내부 컨테이너도 화면 너비 100% 강제 */
  .ebook-direct-embed .flipbook-page3-inner,
  .ebook-direct-embed .flipbook-page3-bg {
    width: 100vw !important;
    max-width: 100vw !important;
    min-width: 100vw !important;
    margin: 0 !important;
    padding: 0 !important;
    display: block !important;
    box-sizing: border-box !important;
    left: 0 !important;
    right: 0 !important;
  }
  
  /* 페이지 HTML 요소 - 기본 표시만 보장 */
  .ebook-direct-embed .flipbook-page3-html {
    visibility: visible !important;
    opacity: 1 !important;
    display: block !important;
  }
  
  /* HTML 레이어 컨테이너 - 기본 표시만 보장 */
  .ebook-direct-embed .flipbook-html-layer,
  .ebook-direct-embed .flipbook-html-layer > div {
    visibility: visible !important;
    opacity: 1 !important;
    display: block !important;
  }
  
  /* 페이지 이미지 반응형 - 모바일에서 화면 너비 100%로 강제 표시 */
  .ebook-direct-embed .flipbook-page3 img,
  .ebook-direct-embed .flipbook-page img,
  .ebook-direct-embed .flipbook-page3 canvas,
  .ebook-direct-embed .flipbook-page3-bg img,
  .ebook-direct-embed .flipbook-page3-inner img,
  .ebook-direct-embed .flipbook-page3-bg canvas,
  .ebook-direct-embed .page-scroll-img,
  .ebook-direct-embed .flipbook-carousel-page img,
  .ebook-direct-embed .flipbook-scroll-page img {
    /* 이미지가 화면 너비 100%로 보이도록 강제 */
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
    width: 100vw !important;
    max-width: 100vw !important;
    min-width: 100vw !important;
    height: auto !important;
    /* 이미지가 숨겨지지 않도록 */
    position: relative !important;
    z-index: 10 !important;
    margin: 0 !important;
    padding: 0 !important;
    left: 0 !important;
    right: 0 !important;
    top: auto !important;
    bottom: auto !important;
    /* transform 제거하여 scale 영향 없애기 */
    transform: none !important;
    -webkit-transform: none !important;
    /* 엔진의 기본 스타일 무시 */
    max-width: 100vw !important;
    min-width: 100vw !important;
    width: 100vw !important;
    /* height 속성 덮어쓰기 */
    height: auto !important;
    max-height: none !important;
    /* overflow 제거 */
    overflow: visible !important;
    clip: auto !important;
    clip-path: none !important;
    /* doublePage 모드에서 200%로 설정되는 것 방지 */
    width: 100vw !important;
    max-width: 100vw !important;
  }
  
  /* 모바일에서 부모 요소들도 보이도록 강제 */
  .ebook-direct-embed .flipbook-page3,
  .ebook-direct-embed .flipbook-page3-inner,
  .ebook-direct-embed .flipbook-page3-bg,
  .ebook-direct-embed .flipbook-page3-front,
  .ebook-direct-embed .flipbook-page3-back {
    overflow: visible !important;
    clip: auto !important;
    clip-path: none !important;
    position: relative !important;
    z-index: auto !important;
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
  }
  
  /* 엔진의 기본 CSS 오버라이드 - position absolute 문제 해결 */
  .ebook-direct-embed .flipbook-page3 img {
    position: relative !important;
    float: none !important;
    margin: 0 !important;
    top: auto !important;
    bottom: auto !important;
    left: 0 !important;
    right: 0 !important;
  }
  
  .ebook-direct-embed .flipbook-page3-bg img {
    height: auto !important;
    position: relative !important;
  }
  
  /* 부모 요소들도 화면 너비로 강제 */
  .ebook-direct-embed .flipbook-page3-bg,
  .ebook-direct-embed .flipbook-page3-inner {
    width: 100vw !important;
    max-width: 100vw !important;
    min-width: 100vw !important;
    transform: none !important;
    height: auto !important;
    min-height: auto !important;
    overflow: visible !important;
  }
  
  /* 모바일에서 컨테이너 높이 자동 조정 */
  .ebook-direct-embed #ebook-flipbook-container,
  .ebook-direct-embed .ebook-flipbook,
  .ebook-direct-embed .flipbook-book3,
  .ebook-direct-embed .flipbook-center-container3,
  .ebook-direct-embed .flipbook-bookLayer {
    overflow: visible !important;
    height: auto !important;
    min-height: auto !important;
  }
  
  /* 페이지 요소 높이 자동 조정 */
  .ebook-direct-embed .flipbook-page3,
  .ebook-direct-embed .flipbook-page {
    height: auto !important;
    min-height: auto !important;
    overflow: visible !important;
  }
  
  /* 페이지 배경 이미지도 보이도록 */
  .ebook-direct-embed .flipbook-page3-bg,
  .ebook-direct-embed .flipbook-page3-inner {
    background-image: none !important;
  }
  
  /* 이미지가 있는 컨테이너 강제 표시 */
  .ebook-direct-embed .flipbook-page3 .front,
  .ebook-direct-embed .flipbook-page3 .back {
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
  }
  
  /* 페이지의 이미지 배경도 화면 너비 100% 강제 표시 */
  .ebook-direct-embed .flipbook-page3 .front img,
  .ebook-direct-embed .flipbook-page3 .back img {
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
    width: 100vw !important;
    max-width: 100vw !important;
    min-width: 100vw !important;
    height: auto !important;
    margin: 0 !important;
    padding: 0 !important;
    position: relative !important;
    transform: none !important;
  }
  
  /* 모바일에서 모든 이미지 요소 화면 너비 100% 강제 표시 */
  .ebook-direct-embed .flipbook-page3 * img,
  .ebook-direct-embed .flipbook-page3 * canvas {
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
    width: 100vw !important;
    max-width: 100vw !important;
    min-width: 100vw !important;
    height: auto !important;
    margin: 0 !important;
    padding: 0 !important;
    transform: none !important;
  }
  
  /* 페이지가 숨겨지지 않도록 */
  .ebook-direct-embed .flipbook-page3 {
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
  }
  
  /* 페이지 래퍼 요소들 - 기본 표시만 보장 */
  .ebook-direct-embed .flipbook-carousel-page-inner,
  .ebook-direct-embed .flipbook-scroll-page-inner {
    visibility: visible !important;
    opacity: 1 !important;
    display: block !important;
  }
  
  /* 페이지 래퍼 - 기본 표시만 보장 */
  .ebook-direct-embed .flipbook-page3,
  .ebook-direct-embed .flipbook-page {
    visibility: visible !important;
    opacity: 1 !important;
    display: block !important;
  }
  
  /* 페이지 내부 컨테이너 - 기본 표시만 보장 */
  .ebook-direct-embed .flipbook-page3-inner,
  .ebook-direct-embed .flipbook-page3-bg {
    visibility: visible !important;
    opacity: 1 !important;
    display: block !important;
  }
  
  /* 모든 래퍼 요소의 여백 제거 */
  .ebook-direct-embed .flipbook-book3,
  .ebook-direct-embed .flipbook-wrapper,
  .ebook-direct-embed .flipbook-main-wrapper,
  .ebook-direct-embed .flipbook-center-container3,
  .ebook-direct-embed .flipbook-bookLayer {
    margin: 0 !important;
    padding: 0 !important;
    box-sizing: border-box !important;
  }
  
  /* 로딩 스피너 강제 숨김 */
  .ebook-direct-embed .flipbook-preloader,
  .ebook-direct-embed .flipbook-loading,
  .ebook-direct-embed .cssload-container,
  .ebook-direct-embed .cssload-speeding-wheel,
  .ebook-direct-embed .flipbook-loading-text,
  .ebook-direct-embed .flipbook-loading-bg,
  .ebook-direct-embed .flipbook-page-preloader,
  .ebook-direct-embed .flipbook-page-preloader-image {
    display: none !important;
    visibility: hidden !important;
    opacity: 0 !important;
    pointer-events: none !important;
  }
  
  /* 로딩 스피너가 hidden 클래스를 가진 경우(element.classList.add('flipbook-hidden')) */
  .ebook-direct-embed .flipbook-preloader.flipbook-hidden,
  .ebook-direct-embed .flipbook-loading.flipbook-hidden {
    display: none !important;
  }
  
  /* 상단 툴바 모바일 최적화 */
  .ebook-topbar.index2 {
    padding: 6px 8px;
    margin-bottom: 6px;
    flex-wrap: wrap;
    gap: 6px;
  }
  
  .ebook-topbar.index2 .left,
  .ebook-topbar.index2 .right {
    gap: 4px;
    flex-wrap: wrap;
  }
  
  /* 버튼 크기 조정 - 더 크고 명확하게 */
  .ebook-topbar.index2 .eb-btn {
    min-width: 40px !important;
    height: 40px !important;
    padding: 0 12px !important;
    font-size: 16px !important;
    border-width: 2px !important;
    font-weight: 600;
  }
  
  /* 페이지 입력 필드 */
  .ebook-topbar.index2 .eb-input {
    width: 50px !important;
    height: 40px !important;
    font-size: 16px !important;
    font-weight: 600;
  }
  
  .ebook-topbar.index2 .eb-page-total {
    font-size: 16px !important;
    font-weight: 600;
  }
  
  /* divider 숨김 또는 작게 */
  .ebook-topbar.index2 .divider {
    height: 24px;
    margin: 0 2px;
  }
  
  .ebook-direct-embed .flipbook-menuBottom {
    flex-wrap: wrap;
    padding: 4px;
  }
  
  /* 클릭 영역 모바일에서 더 보이게 */
  .flipbook-page-html .pageClickArea {
    opacity: 0.5 !important;
    width: 150px !important;
    height: 200px !important;
    z-index: 30 !important;
  }
  
  .flipbook-page-html .pageClickAreaLeft,
  .flipbook-page-html .pageClickAreaRight {
    width: 150px !important;
    height: 200px !important;
  }
  
  .flipbook-page-html .pageClickAreaLeft::before,
  .flipbook-page-html .pageClickAreaRight::before {
    width: 130px !important;
    height: 170px !important;
  }
  
  /* 모바일에서 컨테이너 높이 조정 */
  #ebook-flipbook-container {
    height: calc(100vh - 120px) !important;
    min-height: 500px;
  }
}

/* 전체화면 모드 스타일 */
:fullscreen .ebook-view-wrap,
:-webkit-full-screen .ebook-view-wrap,
:-moz-full-screen .ebook-view-wrap,
:-ms-fullscreen .ebook-view-wrap {
  width: 100vw;
  height: 100vh;
  margin: 0;
  padding: 10px;
  display: flex;
  flex-direction: column;
}

:fullscreen #ebook-flipbook-container,
:-webkit-full-screen #ebook-flipbook-container,
:-moz-full-screen #ebook-flipbook-container,
:-ms-fullscreen #ebook-flipbook-container {
  width: 100%;
  height: calc(100vh - 70px);
  flex: 1;
}

body:has(:fullscreen) .ebook-view-wrap,
body:has(:-webkit-full-screen) .ebook-view-wrap {
  width: 100vw;
  height: 100vh;
}

/* 엔진이 생성한 pageClickArea 스타일링 (mww.kr/ebook 스타일 - 부드러운 종이 접힘) */
.flipbook-page-html .pageClickArea {
  position: absolute;
  width: 50px;
  height: 50px;
  bottom: 0;
  cursor: pointer;
  z-index: 25;
  transition: opacity 0.3s ease;
  opacity: 0;
  pointer-events: auto !important;
  overflow: visible;
  display: block !important;
}

/* 좌측 하단 클릭 영역 - 살짝 접히는 효과 */
.flipbook-page-html .pageClickAreaLeft {
  left: 0;
  width: 180px;
  height: 220px;
  /* 모서리가 살짝 위로 올라가는 효과 */
  clip-path: ellipse(75% 60% at 0% 100%);
  background: radial-gradient(
    ellipse 180px 220px at 0% 100%,
    rgba(0,0,0,0.03) 0%,
    rgba(0,0,0,0.02) 30%,
    rgba(0,0,0,0.01) 60%,
    transparent 85%
  );
  transform-origin: left bottom;
  transform: perspective(2000px) rotateY(-1deg) rotateX(1deg);
}

/* 좌측 접힌 부분의 안쪽 면 (::before) - 종이 뒷면 */
.flipbook-page-html .pageClickAreaLeft::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 160px;
  height: 180px;
  background: radial-gradient(
    ellipse 160px 180px at 0% 100%,
    rgba(250,250,250,0.95) 0%,
    rgba(252,252,252,0.92) 25%,
    rgba(255,255,255,0.88) 50%,
    transparent 80%
  );
  clip-path: ellipse(70% 55% at 0% 100%);
  transform-origin: left bottom;
  transform: perspective(2000px) rotateY(-3deg) rotateX(2deg);
  z-index: -1;
  box-shadow: 
    inset 3px 3px 8px rgba(0,0,0,0.03),
    -2px 0 6px rgba(0,0,0,0.02);
  border-radius: 0 0 0 12px;
}

/* 우측 하단 클릭 영역 - 살짝 접히는 효과 */
.flipbook-page-html .pageClickAreaRight {
  right: 0 !important;
  left: auto !important;
  width: 180px;
  height: 220px;
  /* 모서리가 살짝 위로 올라가는 효과 */
  clip-path: ellipse(75% 60% at 100% 100%);
  background: radial-gradient(
    ellipse 180px 220px at 100% 100%,
    rgba(0,0,0,0.03) 0%,
    rgba(0,0,0,0.02) 30%,
    rgba(0,0,0,0.01) 60%,
    transparent 85%
  );
  transform-origin: right bottom;
  transform: perspective(2000px) rotateY(1deg) rotateX(1deg);
  pointer-events: auto !important;
  z-index: 25 !important;
}

/* 우측 접힌 부분의 안쪽 면 (::before) - 종이 뒷면 */
.flipbook-page-html .pageClickAreaRight::before {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 160px;
  height: 180px;
  /* 실제 책장 넘길 때 보이는 종이 뒷면 색상 */
  background: radial-gradient(
    ellipse 160px 180px at 100% 100%,
    rgba(250,250,250,0.95) 0%,
    rgba(252,252,252,0.92) 25%,
    rgba(255,255,255,0.88) 50%,
    transparent 80%
  );
  clip-path: ellipse(70% 55% at 100% 100%);
  transform-origin: right bottom;
  transform: perspective(2000px) rotateY(3deg) rotateX(2deg);
  z-index: -1;
  box-shadow: 
    inset -3px 3px 8px rgba(0,0,0,0.03),
    2px 0 6px rgba(0,0,0,0.02);
  border-radius: 0 0 12px 0;
}

/* 호버 시 종이가 더 접힘 */
.flipbook-page-html .pageClickArea:hover {
  opacity: 1;
}

.flipbook-page-html .pageClickAreaLeft:hover {
  transform: perspective(2000px) rotateY(-2deg) rotateX(2deg) translateY(-3px);
  background: radial-gradient(
    ellipse 180px 220px at 0% 100%,
    rgba(0,0,0,0.05) 0%,
    rgba(0,0,0,0.03) 25%,
    rgba(0,0,0,0.015) 50%,
    transparent 80%
  );
  box-shadow: 
    0 -4px 12px rgba(0,0,0,0.06),
    -4px 0 10px rgba(0,0,0,0.04);
}

.flipbook-page-html .pageClickAreaLeft:hover::before {
  transform: perspective(2000px) rotateY(-5deg) rotateX(3deg);
  box-shadow: 
    inset 4px 4px 10px rgba(0,0,0,0.04),
    -3px 0 8px rgba(0,0,0,0.03);
}

.flipbook-page-html .pageClickAreaRight:hover {
  transform: perspective(2000px) rotateY(2deg) rotateX(2deg) translateY(-3px);
  background: radial-gradient(
    ellipse 180px 220px at 100% 100%,
    rgba(0,0,0,0.05) 0%,
    rgba(0,0,0,0.03) 25%,
    rgba(0,0,0,0.015) 50%,
    transparent 80%
  );
  box-shadow: 
    0 -4px 12px rgba(0,0,0,0.06),
    4px 0 10px rgba(0,0,0,0.04);
}

.flipbook-page-html .pageClickAreaRight:hover::before {
  transform: perspective(2000px) rotateY(5deg) rotateX(3deg);
  /* 호버 시 종이 뒷면이 더 밝게 보이도록 */
  background: radial-gradient(
    ellipse 160px 180px at 100% 100%,
    rgba(252,252,252,0.97) 0%,
    rgba(254,254,254,0.94) 25%,
    rgba(255,255,255,0.90) 50%,
    transparent 80%
  );
  box-shadow: 
    inset -4px 4px 10px rgba(0,0,0,0.04),
    3px 0 8px rgba(0,0,0,0.03);
}

/* 모바일에서는 항상 약간 보이게 */
@media (max-width: 768px) {
  .flipbook-page-html .pageClickArea {
    width: 180px;
    height: 240px;
    opacity: 0.25;
  }
  
  /* 모바일에서 SNS 아이콘 스타일 복원 */
  #bo_v_sns {
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
    list-style: none !important;
    padding: 0 !important;
    margin: 10px 0 !important;
  }
  
  #bo_v_sns li {
    display: inline-block !important;
    margin: 5px 8px 5px 0 !important;
    vertical-align: middle !important;
  }
  
  #bo_v_sns li img {
    width: 30px !important;
    height: 30px !important;
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
  }
  
  #bo_v_sns li a {
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
  }
  
  .flipbook-page-html .pageClickAreaLeft {
    width: 180px;
    height: 240px;
  }
  
  .flipbook-page-html .pageClickAreaRight {
    width: 180px;
    height: 240px;
  }
  
  .flipbook-page-html .pageClickAreaLeft::before,
  .flipbook-page-html .pageClickAreaRight::before {
    width: 160px;
    height: 200px;
  }
}