/* Ebook Showcase front styles */
.ebs-showcase{
  display:grid;
  gap:16px;
  margin: 16px 0;
}

.ebs-showcase.ebs-cols-1{ grid-template-columns: repeat(1, minmax(0, 1fr)); }
.ebs-showcase.ebs-cols-2{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
.ebs-showcase.ebs-cols-3{ grid-template-columns: repeat(3, minmax(0, 1fr)); }
.ebs-showcase.ebs-cols-4{ grid-template-columns: repeat(4, minmax(0, 1fr)); }
.ebs-showcase.ebs-cols-5{ grid-template-columns: repeat(5, minmax(0, 1fr)); }
.ebs-showcase.ebs-cols-6{ grid-template-columns: repeat(6, minmax(0, 1fr)); }
.ebs-showcase.ebs-cols-7{ grid-template-columns: repeat(7, minmax(0, 1fr)); }
.ebs-showcase.ebs-cols-8{ grid-template-columns: repeat(8, minmax(0, 1fr)); }

@media (max-width: 1024px){
  .ebs-showcase.ebs-cols-5,
  .ebs-showcase.ebs-cols-6,
  .ebs-showcase.ebs-cols-7,
  .ebs-showcase.ebs-cols-8{
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}
@media (max-width: 768px){
  .ebs-showcase{
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  }
}
@media (max-width: 420px){
  .ebs-showcase{
    grid-template-columns: repeat(1, minmax(0, 1fr)) !important;
  }
}

.ebs-card{
  border:1px solid rgba(0,0,0,0.08);
  border-radius: 12px;
  overflow:hidden;
  background: #fff;
  height:100%;
}

.ebs-card-link{
  display:block;
  text-decoration:none;
  color:inherit;
  padding: 12px;
}

.ebs-cover img{
  width:100%;
  height:auto;
  display:block;
  border-radius: 10px;
}

.ebs-cover-placeholder{
  width:100%;
  aspect-ratio: 3/4;
  background: rgba(0,0,0,0.04);
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius: 10px;
  font-size: 13px;
  color:#666;
}

.ebs-title{
  margin: 10px 0 4px;
  font-size: 16px;
  line-height:1.25;
}

.ebs-author{
  font-size: 13px;
  color:#555;
  margin-bottom:6px;
}

.ebs-excerpt{
  font-size: 13px;
  color:#444;
}

.ebs-pagination{
  margin: 18px 0 8px;
}

.ebs-pagination ul{
  list-style:none;
  display:flex;
  gap:8px;
  padding:0;
  margin:0;
  flex-wrap:wrap;
}

.ebs-pagination a,
.ebs-pagination span{
  display:inline-block;
  padding:6px 10px;
  border:1px solid rgba(0,0,0,0.12);
  border-radius: 10px;
  text-decoration:none;
}

.ebs-pagination .current{
  font-weight:700;
}

.ebs-showcase-controls{
  margin: 10px 0 14px;
}
.ebs-controls-row{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  align-items:flex-end;
}
.ebs-control label{
  display:block;
  font-size: 12px;
  color:#555;
  margin-bottom:4px;
}
.ebs-control select{
  padding:8px 10px;
  border-radius: 10px;
  border:1px solid rgba(0,0,0,0.18);
}
.ebs-control-submit button{
  padding:9px 12px;
  border-radius: 10px;
  border:1px solid rgba(0,0,0,0.18);
  background:#fff;
}

.ebs-single-wrap{
  max-width: 980px;
  margin: 0 auto;
  padding: 16px 0;
}
.ebs-single-header{
  display:grid;
  grid-template-columns: 260px 1fr;
  gap: 18px;
  align-items:start;
}
@media (max-width: 768px){
  .ebs-single-header{ grid-template-columns: 1fr; }
}
.ebs-single-cover img{
  width:100%;
  height:auto;
  border-radius: 14px;
  display:block;
}
.ebs-single-meta{
  margin-top: 6px;
  color:#555;
}
.ebs-download{
  margin: 14px 0;
}
.ebs-download a{
  display:inline-block;
  padding: 10px 14px;
  border-radius: 12px;
  background: #111;
  color:#fff;
  text-decoration:none;
}

.ebs-download-count{
  margin-top: 6px;
  font-size: 12px;
  color:#666;
}

.ebs-related{
  margin-top: 28px;
  padding-top: 18px;
  border-top: 1px solid rgba(0,0,0,0.10);
}
.ebs-related-grid{
  display:grid;
  gap:16px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 12px;
}
@media (max-width: 1024px){
  .ebs-related-grid{ grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 768px){
  .ebs-related-grid{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 420px){
  .ebs-related-grid{ grid-template-columns: repeat(1, minmax(0, 1fr)); }
}
.ebs-related-card{
  border:1px solid rgba(0,0,0,0.08);
  border-radius: 12px;
  overflow:hidden;
  background:#fff;
}
.ebs-related-card a{
  display:block;
  text-decoration:none;
  color:inherit;
  padding:12px;
}
.ebs-related-cover img{
  width:100%;
  height:auto;
  display:block;
  border-radius: 10px;
}
.ebs-related-title{
  margin-top: 10px;
  font-size: 14px;
  line-height:1.25;
}


/* ГОСТ reference block */
.ebs-gost { margin-top: 10px; padding: 10px 12px; border: 1px solid rgba(0,0,0,0.08); border-radius: 10px; }
.ebs-gost-ref { margin-top: 6px; font-size: 14px; line-height: 1.4; }