.j6flipbook{
  background:var(--j6fb-bg,#ece8df);
  padding:18px;
  border-radius:12px;
  max-width:var(--j6fb-max-width,1200px);
  margin:0 auto;
  box-sizing:border-box;
}
.j6flipbook *{box-sizing:border-box}
.j6flipbook__toolbar{
  display:flex;
  align-items:center;
  gap:12px;
  flex-wrap:wrap;
  margin-bottom:14px;
}
.j6flipbook__title{
  font-size:1.1rem;
  font-weight:700;
  margin-right:auto;
}
.j6flipbook__controls{display:flex;gap:8px;flex-wrap:wrap}
.j6flipbook__btn{
  border:1px solid #7b7b7b;
  background:#fff;
  color:#222;
  padding:8px 12px;
  border-radius:8px;
  cursor:pointer;
}
.j6flipbook__btn:hover{background:#f4f4f4}
.j6flipbook__status{font-size:.95rem;color:#333}
.j6flipbook__stage{
  height:var(--j6fb-desktop-height,900px);
  overflow:auto;
  border-radius:10px;
  background:#ddd6c7;
  box-shadow: inset 0 0 0 1px rgba(0,0,0,.06);
  padding:18px;
}
.j6flipbook__book{
  transform-origin:top center;
  transition:transform .2s ease;
}
.j6flipbook__sheet,
.j6flipbook__single{
  background:#fff;
  border-radius:4px;
  overflow:hidden;
  box-shadow:0 10px 30px rgba(0,0,0,.18);
}
.j6flipbook__sheet img,
.j6flipbook__single img{
  width:100%;
  height:auto;
  display:block;
}
.j6flipbook__book{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:18px;
  align-items:start;
}
.j6flipbook__single{display:none; max-width:100%; margin:0 auto;}
.j6flipbook__sheet{min-height:300px}
.j6flipbook__sheet--left,
.j6flipbook__sheet--right{
  position:relative;
  perspective:1200px;
}
.j6flipbook__sheet--left.is-turning img,
.j6flipbook__sheet--right.is-turning img{
  animation:j6fbTurn .35s ease;
}
@keyframes j6fbTurn{
  0%{transform:rotateY(0deg);opacity:.6}
  100%{transform:rotateY(8deg);opacity:1}
}
.j6flipbook__thumbs{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(92px,1fr));
  gap:10px;
  margin-top:16px;
  max-height:260px;
  overflow:auto;
}
.j6flipbook__thumb{
  border:2px solid transparent;
  border-radius:8px;
  padding:4px;
  background:#fff;
  cursor:pointer;
  box-shadow:0 3px 12px rgba(0,0,0,.08);
}
.j6flipbook__thumb.is-active{border-color:#3b7d2a}
.j6flipbook__thumb img{
  width:100%;
  display:block;
  border-radius:4px;
}
@media (max-width: 768px){
  .j6flipbook{padding:12px}
  .j6flipbook__stage{
    height:var(--j6fb-mobile-height,70vh);
    padding:12px;
  }
  .j6flipbook__book{
    display:block;
  }
  .j6flipbook__sheet{display:none}
  .j6flipbook__single{display:block}
}