.gmr-single-encyclopedia{
  --gmr-purple:#5a3476;
  --gmr-purple-dark:#2b1838;
  --gmr-purple-soft:#f1eaf6;
  --gmr-cream:#fffdf8;
  --gmr-paper:#f7f0e3;
  --gmr-ink:#2d2532;
  --gmr-muted:#746979;
  --gmr-border:#dfd4e4;
  width:min(1240px,calc(100% - 32px));
  margin:42px auto 70px;
  color:var(--gmr-ink);
  font-family:Arial,Helvetica,sans-serif;
}

.gmr-single-encyclopedia *{box-sizing:border-box}

.gmr-book-hero{
  text-align:center;
  padding:62px 28px;
  border-radius:26px;
  background:
    radial-gradient(circle at 82% 18%,rgba(255,255,255,.16),transparent 18%),
    linear-gradient(135deg,#2b1838,#6b4588);
  color:#fff;
  box-shadow:0 20px 44px rgba(43,24,56,.17);
}

.gmr-book-kicker{
  display:block;
  margin-bottom:9px;
  color:#dfc3ec;
  font-size:12px;
  font-weight:800;
  letter-spacing:.16em;
}

.gmr-book-hero h1{
  margin:0 0 14px;
  font:700 50px/1.08 Georgia,"Times New Roman",serif;
  color:#fff;
}

.gmr-book-hero p{
  max-width:700px;
  margin:0 auto;
  color:#eee4f3;
  font-size:17px;
  line-height:1.6;
}

.gmr-book-controls{
  margin:28px 0 18px;
  padding:22px;
  border:1px solid var(--gmr-border);
  border-radius:18px;
  background:#fff;
}

.gmr-book-controls label span{
  display:block;
  margin-bottom:7px;
  font-weight:800;
  color:var(--gmr-purple-dark);
}

.gmr-book-search{
  width:100%;
  min-height:48px;
  border:1px solid #cbbbd3;
  border-radius:11px;
  padding:0 14px;
  font-size:16px;
}

.gmr-book-letters{
  display:flex;
  flex-wrap:wrap;
  gap:7px;
  margin-top:16px;
}

.gmr-book-letters button{
  width:36px;
  height:36px;
  border:1px solid var(--gmr-border);
  border-radius:9px;
  background:#fff;
  color:var(--gmr-purple);
  font-weight:800;
  cursor:pointer;
}

.gmr-book-letters button:hover,
.gmr-book-letters button.is-active{
  background:var(--gmr-purple);
  color:#fff;
}

.gmr-book-summary{
  margin-bottom:12px;
  color:var(--gmr-muted);
  font-size:13px;
}

.gmr-book-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:18px;
}

.gmr-book-card{
  overflow:hidden;
  border:1px solid var(--gmr-border);
  border-radius:18px;
  background:#fff;
  box-shadow:0 10px 25px rgba(43,24,56,.08);
  cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease;
}

.gmr-book-card:hover{
  transform:translateY(-5px);
  box-shadow:0 18px 35px rgba(43,24,56,.14);
}

.gmr-book-card-image{
  display:grid;
  place-items:center;
  aspect-ratio:4/3;
  overflow:hidden;
  background:linear-gradient(135deg,#eadff0,#d4c0e0);
  color:var(--gmr-purple);
  font-size:52px;
}

.gmr-book-card-image img{
  width:100%;
  height:100%;
  object-fit:cover;
}

.gmr-book-card-copy{
  padding:16px;
}

.gmr-book-card h2{
  margin:0 0 7px;
  color:var(--gmr-purple-dark);
  font:700 23px/1.15 Georgia,"Times New Roman",serif;
}

.gmr-book-card-meta{
  display:flex;
  gap:6px;
  flex-wrap:wrap;
}

.gmr-book-card-meta span{
  padding:5px 8px;
  border-radius:999px;
  background:var(--gmr-purple-soft);
  color:var(--gmr-purple);
  font-size:11px;
  font-weight:800;
}

.gmr-book-empty{
  padding:40px 20px;
  text-align:center;
  border:1px dashed var(--gmr-border);
  border-radius:18px;
  background:#fff;
}

.gmr-book-modal{
  position:fixed;
  inset:0;
  z-index:999998;
  display:grid;
  place-items:center;
  padding:22px;
}

.gmr-book-modal[hidden],
.gmr-book-lightbox[hidden]{
  display:none!important;
}

.gmr-book-modal-backdrop{
  position:absolute;
  inset:0;
  background:rgba(25,12,34,.78);
  backdrop-filter:blur(4px);
}

.gmr-book-panel{
  position:relative;
  z-index:1;
  width:min(980px,96vw);
  max-height:90vh;
  overflow:auto;
  border-radius:22px;
  background:var(--gmr-paper);
  box-shadow:0 28px 65px rgba(0,0,0,.35);
}

.gmr-book-close{
  position:absolute;
  top:14px;
  right:18px;
  z-index:5;
  border:0;
  background:rgba(255,255,255,.85);
  color:var(--gmr-purple);
  width:40px;
  height:40px;
  border-radius:50%;
  font-size:29px;
  cursor:pointer;
}

.gmr-book-panel-hero{
  display:grid;
  grid-template-columns:360px 1fr;
  min-height:330px;
  background:linear-gradient(135deg,#2b1838,#6c4689);
  color:#fff;
}

.gmr-book-panel-image{
  display:grid;
  place-items:center;
  min-height:330px;
  background:#d6c3e1;
  color:var(--gmr-purple);
  font-size:66px;
}

.gmr-book-panel-image img{
  width:100%;
  height:100%;
  object-fit:cover;
}

.gmr-book-panel-heading{
  display:flex;
  flex-direction:column;
  justify-content:center;
  padding:45px;
}

.gmr-book-panel-heading h2{
  margin:0 0 14px;
  color:#fff;
  font:700 43px/1.08 Georgia,"Times New Roman",serif;
}

.gmr-book-panel-description{
  margin:0;
  color:#eee4f3;
  font-size:17px;
  line-height:1.65;
}

.gmr-book-facts{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:12px;
  padding:28px;
  background:#efe6f2;
}

.gmr-book-fact{
  padding:14px;
  border:1px solid #dacde0;
  border-radius:12px;
  background:#fff;
}

.gmr-book-fact span{
  display:block;
  margin-bottom:4px;
  color:var(--gmr-muted);
  font-size:11px;
  font-weight:800;
  letter-spacing:.06em;
  text-transform:uppercase;
}

.gmr-book-fact strong{
  color:var(--gmr-purple-dark);
}

.gmr-book-sections{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
  padding:28px;
}

.gmr-book-section{
  padding:20px;
  border:1px solid #e2d5d0;
  border-radius:14px;
  background:#fffdf8;
}

.gmr-book-section h3,
.gmr-book-gallery-wrap h3{
  margin:0 0 10px;
  color:var(--gmr-purple-dark);
  font:700 24px/1.15 Georgia,"Times New Roman",serif;
}

.gmr-book-section p{
  margin:0;
  color:#514755;
  line-height:1.7;
}

.gmr-book-gallery-wrap{
  padding:0 28px 28px;
}

.gmr-book-gallery{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:10px;
}

.gmr-book-gallery button{
  border:0;
  padding:0;
  border-radius:11px;
  overflow:hidden;
  aspect-ratio:1/1;
  cursor:pointer;
}

.gmr-book-gallery img{
  width:100%;
  height:100%;
  object-fit:cover;
}

.gmr-book-nav{
  display:flex;
  justify-content:space-between;
  gap:14px;
  padding:20px 28px 28px;
}

.gmr-book-nav button{
  border:1px solid var(--gmr-purple);
  border-radius:999px;
  padding:11px 17px;
  background:#fff;
  color:var(--gmr-purple);
  font-weight:800;
  cursor:pointer;
}

.gmr-book-lightbox{
  position:fixed;
  inset:0;
  z-index:999999;
  display:grid;
  place-items:center;
  padding:40px;
  background:rgba(18,8,24,.93);
}

.gmr-book-lightbox img{
  max-width:95vw;
  max-height:88vh;
  object-fit:contain;
}

.gmr-book-lightbox-close{
  position:absolute;
  top:18px;
  right:24px;
  border:0;
  background:transparent;
  color:#fff;
  font-size:42px;
  cursor:pointer;
}

@media(max-width:980px){
  .gmr-book-grid{grid-template-columns:repeat(3,1fr)}
  .gmr-book-panel-hero{grid-template-columns:1fr}
  .gmr-book-panel-image{min-height:280px}
}

@media(max-width:720px){
  .gmr-book-grid{grid-template-columns:repeat(2,1fr)}
  .gmr-book-facts,
  .gmr-book-sections{grid-template-columns:1fr}
  .gmr-book-gallery{grid-template-columns:repeat(2,1fr)}
}

@media(max-width:480px){
  .gmr-book-hero h1{font-size:38px}
  .gmr-book-grid{grid-template-columns:1fr}
  .gmr-book-panel-heading{padding:30px 22px}
  .gmr-book-panel-heading h2{font-size:35px}
}

/* Premium tabbed crystal exhibit – v2.3 */
body.gmr-encyclopedia-modal-open{overflow:hidden!important}
.gmr-book-panel{display:flex;flex-direction:column;width:min(1100px,96vw);max-height:92vh;overflow:hidden;background:#f8f3ea}
.gmr-book-panel-hero{flex:0 0 auto;grid-template-columns:minmax(300px,390px) 1fr;min-height:315px}
.gmr-book-panel-heading{padding:38px 44px}
.gmr-book-panel-subtitle{margin:-5px 0 13px;color:#d8c5e3;font-size:13px;font-weight:800;letter-spacing:.05em;text-transform:uppercase}
.gmr-book-panel-description{display:-webkit-box;overflow:hidden;-webkit-line-clamp:4;-webkit-box-orient:vertical}
.gmr-book-quick-facts{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.gmr-book-quick-facts .gmr-book-fact{min-width:110px;padding:9px 11px;border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.1)}
.gmr-book-quick-facts .gmr-book-fact span{color:#d8c5e3}
.gmr-book-quick-facts .gmr-book-fact strong{color:#fff;font-size:13px}
.gmr-book-tabs{position:sticky;top:0;z-index:4;display:flex;gap:4px;overflow-x:auto;flex:0 0 auto;padding:12px 18px;border-bottom:1px solid #d9cde0;background:#fff;scrollbar-width:thin}
.gmr-book-tab-button{flex:0 0 auto;border:1px solid transparent;border-radius:999px;padding:10px 15px;background:transparent;color:#5a3476;font-size:13px;font-weight:800;cursor:pointer;white-space:nowrap}
.gmr-book-tab-button:hover{background:#f1eaf6}
.gmr-book-tab-button.is-active{border-color:#5a3476;background:#5a3476;color:#fff;box-shadow:0 5px 14px rgba(90,52,118,.2)}
.gmr-book-tab-panels{overflow-y:auto;flex:1 1 auto;min-height:220px}
.gmr-book-tab-panel{padding:25px 28px}
.gmr-book-tab-content{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.gmr-book-tab-panel[data-panel="properties"] .gmr-book-tab-content,
.gmr-book-tab-panel[data-panel="gallery"] .gmr-book-tab-content{display:block}
.gmr-book-section-wide,.gmr-book-belief-note,.gmr-book-safety-grid,.gmr-book-tab-empty{grid-column:1/-1}
.gmr-book-section-highlight{border-color:#caa9dc;background:linear-gradient(135deg,#fff,#f2e8f7)}
.gmr-book-belief-note{padding:14px 16px;border-left:4px solid #7a4d95;border-radius:9px;background:#eee5f3;color:#4e4056;line-height:1.55}
.gmr-book-facts-full{padding:0;background:transparent;grid-template-columns:repeat(3,minmax(0,1fr))}
.gmr-book-safety-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.gmr-book-safety-grid .gmr-book-fact{background:#fff}
.gmr-book-tab-empty{padding:42px 20px;border:1px dashed #cbbbd3;border-radius:14px;text-align:center;color:#746979;background:#fff}
.gmr-book-gallery{grid-template-columns:repeat(4,minmax(0,1fr));gap:13px}
.gmr-book-gallery button{border:2px solid transparent;background:#fff;box-shadow:0 8px 18px rgba(43,24,56,.1);transition:.2s ease}
.gmr-book-gallery button:hover{transform:translateY(-3px);border-color:#7a4d95;box-shadow:0 14px 26px rgba(43,24,56,.16)}
.gmr-book-nav{flex:0 0 auto;border-top:1px solid #ded3e2;background:#fff;padding:14px 22px}
.gmr-book-nav button:disabled{opacity:.45;cursor:not-allowed}
.gmr-book-close{position:fixed;top:max(18px,calc(4vh + 8px));right:max(18px,calc(2vw + 8px));box-shadow:0 6px 16px rgba(0,0,0,.2)}
@media(max-width:800px){
 .gmr-book-panel{width:96vw;max-height:94vh}
 .gmr-book-panel-hero{grid-template-columns:1fr;min-height:0}
 .gmr-book-panel-image{min-height:230px;max-height:300px}
 .gmr-book-panel-heading{padding:27px 24px}
 .gmr-book-panel-heading h2{font-size:36px}
 .gmr-book-quick-facts{display:grid;grid-template-columns:1fr 1fr}
 .gmr-book-tab-content{grid-template-columns:1fr}
 .gmr-book-facts-full{grid-template-columns:1fr 1fr}
 .gmr-book-section-wide,.gmr-book-belief-note,.gmr-book-safety-grid,.gmr-book-tab-empty{grid-column:auto}
 .gmr-book-safety-grid{grid-template-columns:1fr}
 .gmr-book-gallery{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:480px){
 .gmr-book-modal{padding:8px}
 .gmr-book-panel{width:100%;max-height:97vh;border-radius:16px}
 .gmr-book-panel-image{min-height:190px}
 .gmr-book-panel-heading{padding:22px 18px}
 .gmr-book-panel-heading h2{font-size:31px}
 .gmr-book-panel-description{font-size:15px;-webkit-line-clamp:3}
 .gmr-book-tabs{padding:9px 12px}
 .gmr-book-tab-button{padding:9px 12px}
 .gmr-book-tab-panel{padding:18px 14px}
 .gmr-book-facts-full{grid-template-columns:1fr}
 .gmr-book-nav{padding:11px 13px}
 .gmr-book-nav button{padding:9px 12px;font-size:12px}
 .gmr-book-close{top:13px;right:13px}
}


/* Exhibit polish – v2.4 */
.gmr-book-panel-hero{grid-template-columns:minmax(350px,42%) 1fr}
.gmr-book-panel-image{position:relative;overflow:hidden;background:linear-gradient(145deg,#d9c7e4,#c9b0d8)}
.gmr-book-panel-image::after{content:"Crystal image";position:absolute;left:16px;bottom:14px;padding:6px 10px;border-radius:999px;background:rgba(43,24,56,.72);color:#fff;font-size:11px;font-weight:800;letter-spacing:.05em;text-transform:uppercase;opacity:.85}
.gmr-book-panel-image:has(img)::after{content:"Featured specimen"}
.gmr-book-panel-image{display:flex;flex-direction:column;align-items:stretch;justify-content:flex-start;overflow:hidden}
.gmr-book-panel-image>img{display:block;flex:1 1 auto;min-height:0;height:auto;width:100%;object-fit:cover}
.gmr-book-panel-image>.gmr-book-image-placeholder{flex:1 1 auto;min-height:0}
.gmr-book-panel-image>.gmr-book-image-meta{position:relative;z-index:3;flex:0 0 auto}
.gmr-book-panel-image::after,.gmr-book-panel-image:has(img)::after{top:14px;bottom:auto;z-index:4}
.gmr-book-card-image.has-image{display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at 50% 35%,#f7f2fa 0,#e8d9ef 58%,#d8c3e2 100%)}
.gmr-book-card-image.has-image img{width:100%;height:100%;object-fit:contain;object-position:center;background:transparent}
.gmr-book-panel-hero{background:radial-gradient(circle at 8% 8%,rgba(215,168,244,.3),transparent 34%),radial-gradient(circle at 92% 90%,rgba(130,67,170,.46),transparent 42%),linear-gradient(135deg,#261536 0%,#4d2670 52%,#754295 100%);box-shadow:inset 0 1px 0 rgba(255,255,255,.14)}
.gmr-book-quick-facts .gmr-book-fact{background:linear-gradient(145deg,rgba(255,255,255,.18),rgba(255,255,255,.08));border-color:rgba(255,255,255,.18);box-shadow:inset 0 1px 0 rgba(255,255,255,.12),0 10px 22px rgba(36,15,52,.12)}
.gmr-book-random-view{display:inline-flex;align-items:center;justify-content:center;margin-top:12px;padding:10px 16px;border:1px solid #cbb4d7;border-radius:999px;background:linear-gradient(135deg,#fff,#f1e7f5);color:#54256f;font-weight:800;cursor:pointer;box-shadow:0 8px 18px rgba(83,44,102,.1)}
.gmr-book-quick-facts .gmr-book-fact{position:relative;padding-left:13px}
.gmr-book-quick-facts .gmr-book-fact::before{content:"◆";display:block;margin-bottom:3px;color:#dbc9e5;font-size:10px}
.gmr-book-identification{border-color:#b997cc;background:linear-gradient(135deg,#fff,#f4ebf8)}
.gmr-book-id-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.gmr-book-id-grid>div{padding:12px 13px;border:1px solid #ded0e6;border-radius:11px;background:#fff}
.gmr-book-id-grid span{display:block;margin-bottom:4px;color:#746079;font-size:11px;font-weight:800;letter-spacing:.05em;text-transform:uppercase}
.gmr-book-id-grid strong{display:block;color:#34223d;line-height:1.45}
.gmr-book-related-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
.gmr-book-related-grid button{display:flex;align-items:center;gap:9px;min-height:58px;padding:11px 13px;border:1px solid #d9c9e1;border-radius:12px;background:#fff;color:#4d2867;text-align:left;cursor:pointer;transition:.2s ease}
.gmr-book-related-grid button:hover{transform:translateY(-2px);border-color:#75478f;box-shadow:0 8px 18px rgba(65,36,80,.12)}
.gmr-book-related-grid span{font-size:23px}
.gmr-book-gallery button{position:relative;display:flex;flex-direction:column;aspect-ratio:auto;text-align:left}
.gmr-book-gallery button img{aspect-ratio:1/1}
.gmr-book-gallery button>span{width:100%;padding:9px 10px;color:#4d3f53;font-size:12px;font-weight:800;background:#fff}
.gmr-book-nav{display:grid;grid-template-columns:1fr auto 1fr;align-items:center}
.gmr-book-nav .gmr-book-next{justify-self:end}
.gmr-book-back{border-color:transparent!important;background:#5a3476!important;color:#fff!important}
.gmr-book-back:hover{background:#45255d!important}
@media(max-width:800px){
 .gmr-book-panel-hero{grid-template-columns:1fr}
 .gmr-book-id-grid,.gmr-book-related-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:520px){
 .gmr-book-id-grid,.gmr-book-related-grid{grid-template-columns:1fr}
 .gmr-book-nav{grid-template-columns:1fr 1fr;gap:8px}
 .gmr-book-back{grid-column:1/-1;grid-row:1;justify-self:center}
 .gmr-book-prev{grid-column:1;grid-row:2;justify-self:start}
 .gmr-book-next{grid-column:2;grid-row:2;justify-self:end}
}


/* Final museum polish – v2.5 */
.gmr-book-card{position:relative;isolation:isolate;animation:gmrCardIn .42s ease both}
.gmr-book-card:nth-child(2n){animation-delay:.03s}.gmr-book-card:nth-child(3n){animation-delay:.06s}.gmr-book-card:nth-child(4n){animation-delay:.09s}
@keyframes gmrCardIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
.gmr-book-card:focus-visible{outline:3px solid rgba(90,52,118,.35);outline-offset:3px}
.gmr-book-card-image{position:relative}
.gmr-book-card-image.is-placeholder{display:flex;flex-direction:column;gap:8px;background:radial-gradient(circle at 50% 35%,#f3ebf7 0,#dcc9e6 48%,#ccb5d8 100%)}
.gmr-book-card-gem{font-size:55px;filter:drop-shadow(0 7px 7px rgba(55,29,70,.16))}
.gmr-book-card-image small{font-size:10px;font-weight:800;letter-spacing:.09em;text-transform:uppercase;opacity:.72}
.gmr-book-card-image.has-image::after{content:"View entry";position:absolute;right:12px;bottom:12px;padding:6px 10px;border-radius:999px;background:rgba(31,16,40,.78);color:#fff;font-size:10px;font-weight:800;letter-spacing:.05em;text-transform:uppercase;opacity:0;transform:translateY(4px);transition:.2s ease}
.gmr-book-card:hover .gmr-book-card-image.has-image::after{opacity:1;transform:none}
.gmr-book-card-image img{transition:transform .45s ease}
.gmr-book-card:hover .gmr-book-card-image img{transform:scale(1.045)}
.gmr-book-family-badge{display:inline-flex;max-width:100%;margin:0 0 7px;padding:4px 8px;border:1px solid #dfd1e6;border-radius:999px;color:#6a447d;background:#faf7fc;font-size:9px;font-weight:900;letter-spacing:.07em;text-transform:uppercase;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.gmr-book-color-chip{display:inline-flex!important;align-items:center;gap:5px}.gmr-book-color-chip i{width:9px;height:9px;border-radius:50%;background:linear-gradient(135deg,#b58bc8,#69417f);box-shadow:inset 0 0 0 1px rgba(255,255,255,.55)}
.gmr-book-panel{animation:gmrMuseumOpen .25s ease both}
@keyframes gmrMuseumOpen{from{opacity:0;transform:translateY(14px) scale(.985)}to{opacity:1;transform:none}}
.gmr-book-panel-hero{grid-template-columns:minmax(380px,44%) 1fr;min-height:350px}
.gmr-book-panel-image{min-height:350px}
.gmr-book-panel-image.has-image img{transition:transform .65s ease}.gmr-book-panel-image.has-image:hover img{transform:scale(1.025)}
.gmr-book-image-placeholder{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:9px;text-align:center;padding:28px;color:#68407d}
.gmr-book-image-placeholder>span{font-size:72px;filter:drop-shadow(0 9px 10px rgba(58,29,75,.16))}
.gmr-book-image-placeholder strong{font:700 24px/1.2 Georgia,"Times New Roman",serif}
.gmr-book-image-placeholder small{font-size:10px;font-weight:900;letter-spacing:.1em;text-transform:uppercase;opacity:.72}
.gmr-book-quick-facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));align-items:stretch}
.gmr-book-quick-facts .gmr-book-fact{min-width:0}
.gmr-book-tab-panel[hidden]{display:none!important}.gmr-book-tab-panel:not([hidden]){animation:gmrTabIn .22s ease both}
@keyframes gmrTabIn{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:none}}
.gmr-book-gallery{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.gmr-book-gallery button{overflow:hidden;border:1px solid #dfd2e5;border-radius:14px}
.gmr-book-gallery-image{display:block;overflow:hidden;width:100%;aspect-ratio:4/3;background:#eadff0}
.gmr-book-gallery button img{width:100%;height:100%;aspect-ratio:auto;object-fit:cover;transition:transform .35s ease}
.gmr-book-gallery button:hover img{transform:scale(1.05)}
.gmr-book-related-grid button:focus-visible,.gmr-book-gallery button:focus-visible,.gmr-book-nav button:focus-visible,.gmr-book-tab-button:focus-visible{outline:3px solid rgba(90,52,118,.3);outline-offset:2px}
@media(max-width:900px){.gmr-book-panel-hero{grid-template-columns:1fr}.gmr-book-quick-facts{grid-template-columns:repeat(2,minmax(0,1fr))}.gmr-book-gallery{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:520px){.gmr-book-quick-facts,.gmr-book-gallery{grid-template-columns:1fr}.gmr-book-panel-image{min-height:220px}.gmr-book-image-placeholder>span{font-size:56px}}
@media(prefers-reduced-motion:reduce){.gmr-book-card,.gmr-book-panel,.gmr-book-tab-panel:not([hidden]){animation:none}.gmr-book-card,.gmr-book-card-image img,.gmr-book-gallery button img,.gmr-book-panel-image img{transition:none!important}}

/* Museum hub redesign – v2.6.0 */
.gmr-book-hero{
  position:relative;
  isolation:isolate;
  display:grid;
  grid-template-columns:minmax(0,1.16fr) minmax(330px,.84fr);
  align-items:stretch;
  min-height:390px;
  padding:0;
  overflow:hidden;
  text-align:left;
  background:
    radial-gradient(circle at 12% 12%,rgba(199,156,228,.18),transparent 31%),
    linear-gradient(125deg,#24122f 0%,#3a1d4c 48%,#6a4388 100%);
}
.gmr-book-hero::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:-1;
  opacity:.24;
  background-image:
    linear-gradient(30deg,transparent 48%,rgba(255,255,255,.06) 49%,transparent 51%),
    linear-gradient(150deg,transparent 48%,rgba(255,255,255,.045) 49%,transparent 51%);
  background-size:58px 58px;
}
.gmr-book-hero-copy{padding:58px 32px 48px 58px;display:flex;flex-direction:column;justify-content:center}
.gmr-book-hero h1{max-width:680px;font-size:clamp(48px,5vw,70px);letter-spacing:-.025em}
.gmr-book-hero p{max-width:670px;margin:0;color:#f2eafa;font-size:18px;line-height:1.65}
.gmr-book-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.gmr-book-hero-actions button{min-height:48px;padding:0 18px;border-radius:999px;font-weight:800;font-size:14px;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease}
.gmr-book-explore{border:1px solid #fff;background:#fff;color:#351844;box-shadow:0 10px 24px rgba(0,0,0,.18)}
.gmr-book-random{border:1px solid rgba(255,255,255,.48);background:rgba(255,255,255,.1);color:#fff;backdrop-filter:blur(8px)}
.gmr-book-hero-actions button:hover{transform:translateY(-2px);box-shadow:0 13px 28px rgba(0,0,0,.22)}
.gmr-book-hero-stats{display:flex;gap:26px;flex-wrap:wrap;margin-top:34px;padding-top:21px;border-top:1px solid rgba(255,255,255,.18)}
.gmr-book-hero-stats div{display:flex;flex-direction:column;gap:2px}
.gmr-book-hero-stats strong{font:700 25px/1 Georgia,"Times New Roman",serif;color:#fff}
.gmr-book-hero-stats span{font-size:10px;font-weight:800;letter-spacing:.11em;text-transform:uppercase;color:#d9c9e5}
.gmr-book-hero-display{position:relative;display:grid;place-items:center;min-height:390px;background:linear-gradient(145deg,rgba(255,255,255,.14),rgba(255,255,255,.025));border-left:1px solid rgba(255,255,255,.12)}
.gmr-book-display-glow{position:absolute;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle,rgba(228,198,247,.4),rgba(170,105,211,.12) 48%,transparent 70%);filter:blur(4px)}
.gmr-book-display-plinth{position:absolute;bottom:65px;width:245px;height:54px;border-radius:50%;background:linear-gradient(180deg,#c7afd5,#76528d);box-shadow:0 22px 30px rgba(16,6,23,.38),inset 0 5px 10px rgba(255,255,255,.35)}
.gmr-book-crystal-cluster{position:relative;width:260px;height:250px;filter:drop-shadow(0 26px 21px rgba(13,4,18,.45))}
.gmr-book-crystal-cluster i{position:absolute;bottom:42px;left:50%;width:54px;height:166px;clip-path:polygon(50% 0,100% 27%,84% 100%,17% 100%,0 27%);background:linear-gradient(90deg,#4f2768 0%,#c9a9df 34%,#f6edfb 53%,#9e72bc 72%,#3f1d55 100%);border:1px solid rgba(255,255,255,.28);transform-origin:50% 100%}
.gmr-book-crystal-cluster i:nth-child(1){height:202px;width:64px;transform:translateX(-50%)}
.gmr-book-crystal-cluster i:nth-child(2){height:154px;transform:translateX(-115%) rotate(-22deg)}
.gmr-book-crystal-cluster i:nth-child(3){height:144px;transform:translateX(17%) rotate(22deg)}
.gmr-book-crystal-cluster i:nth-child(4){height:112px;width:47px;transform:translateX(-170%) rotate(-38deg)}
.gmr-book-crystal-cluster i:nth-child(5){height:107px;width:46px;transform:translateX(72%) rotate(39deg)}
.gmr-book-crystal-cluster i:nth-child(6){height:126px;width:44px;transform:translateX(-22%) rotate(8deg)}
.gmr-book-display-label{position:absolute;bottom:25px;padding:8px 13px;border:1px solid rgba(255,255,255,.24);border-radius:999px;background:rgba(28,12,37,.35);font-size:9px;font-weight:800;letter-spacing:.15em;color:#eee4f4}
.gmr-book-controls{box-shadow:0 12px 30px rgba(43,24,56,.07)}
.gmr-book-summary{font-weight:700}
@media(max-width:900px){
  .gmr-book-hero{grid-template-columns:1fr}
  .gmr-book-hero-copy{padding:48px 30px 35px;text-align:center;align-items:center}
  .gmr-book-hero-display{min-height:270px;border-left:0;border-top:1px solid rgba(255,255,255,.12)}
  .gmr-book-crystal-cluster{transform:scale(.82)}
  .gmr-book-display-plinth{bottom:44px}
  .gmr-book-display-label{bottom:15px}
  .gmr-book-hero-stats{justify-content:center}
}
@media(max-width:560px){
  .gmr-book-hero-copy{padding:40px 20px 30px}
  .gmr-book-hero h1{font-size:42px}
  .gmr-book-hero-actions{width:100%;flex-direction:column}
  .gmr-book-hero-actions button{width:100%}
  .gmr-book-hero-stats{gap:16px}
  .gmr-book-hero-stats div{min-width:82px}
  .gmr-book-hero-display{min-height:235px}
  .gmr-book-crystal-cluster{transform:scale(.7)}
}

/* Editable image/video hero – v2.7.0 */
.gmr-book-hero-display{overflow:hidden}
.gmr-book-hero-media{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}
.gmr-book-hero-media-shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(27,12,37,.04),rgba(27,12,37,.34));pointer-events:none}
.gmr-book-hero-mode-image,.gmr-book-hero-mode-video{background:#3f2651}
.gmr-book-hero-mode-image .gmr-book-display-label,.gmr-book-hero-mode-video .gmr-book-display-label{z-index:2;backdrop-filter:blur(8px);background:rgba(28,12,37,.58)}
@media(prefers-reduced-motion:reduce){.gmr-book-hero-mode-video{background:linear-gradient(145deg,#4f3265,#2d183a)}}

/* Hero video reliability fix – v2.7.1 */
.gmr-book-hero-video{z-index:0;background:#2d183a}
.gmr-book-hero-media-shade{z-index:1}
.gmr-book-hero-play{position:absolute;z-index:3;left:50%;top:50%;transform:translate(-50%,-50%);border:1px solid rgba(255,255,255,.65);background:rgba(35,17,48,.82);color:#fff;border-radius:999px;padding:13px 20px;font-weight:800;cursor:pointer;box-shadow:0 12px 30px rgba(0,0,0,.28);display:none}
.gmr-book-hero-mode-video.gmr-video-needs-play .gmr-book-hero-play{display:block}
.gmr-book-hero-mode-video.gmr-video-playing .gmr-book-hero-play{display:none}
.gmr-book-hero-mode-video .gmr-book-display-label{position:absolute;z-index:3}


/* Hero video sound controls – v2.8.1: compact corner button with expandable vertical slider */
.gmr-book-hero-volume{
  position:absolute;
  z-index:4;
  right:14px;
  bottom:14px;
  display:flex;
  flex-direction:column-reverse;
  align-items:center;
  gap:0;
  width:38px;
  padding:0;
  border:0;
  border-radius:999px;
  background:transparent;
  box-shadow:none;
}
.gmr-book-hero-mute{
  position:relative;
  z-index:2;
  width:38px;
  height:38px;
  display:grid;
  place-items:center;
  flex:0 0 auto;
  border:1px solid rgba(255,255,255,.34);
  border-radius:50%;
  background:rgba(28,12,37,.66);
  backdrop-filter:blur(9px);
  box-shadow:0 7px 20px rgba(0,0,0,.22);
  color:#fff;
  font-size:17px;
  line-height:1;
  cursor:pointer;
  padding:0;
  opacity:.78;
  transition:opacity .2s ease,background .2s ease,transform .2s ease;
}
.gmr-book-hero-mute:hover,.gmr-book-hero-mute:focus-visible,
.gmr-book-hero-volume.is-open .gmr-book-hero-mute{
  opacity:1;
  background:rgba(28,12,37,.88);
  outline:2px solid rgba(255,255,255,.72);
  outline-offset:2px;
}
.gmr-book-hero-volume-slider{
  width:18px;
  height:0;
  margin:0 0 0;
  padding:0;
  accent-color:#fff;
  cursor:pointer;
  writing-mode:vertical-lr;
  direction:rtl;
  opacity:0;
  visibility:hidden;
  pointer-events:none;
  transform:translateY(8px);
  transition:height .22s ease,opacity .18s ease,transform .22s ease,visibility 0s linear .22s,margin .22s ease;
}
.gmr-book-hero-volume::before{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  width:38px;
  height:38px;
  border:1px solid transparent;
  border-radius:999px;
  background:transparent;
  transition:height .22s ease,background .2s ease,border-color .2s ease;
  pointer-events:none;
}
.gmr-book-hero-volume.is-open::before{
  height:150px;
  background:rgba(28,12,37,.66);
  border-color:rgba(255,255,255,.28);
  backdrop-filter:blur(9px);
  box-shadow:0 8px 24px rgba(0,0,0,.2);
}
.gmr-book-hero-volume.is-open .gmr-book-hero-volume-slider{
  height:94px;
  margin-bottom:10px;
  opacity:1;
  visibility:visible;
  pointer-events:auto;
  transform:translateY(0);
  transition:height .22s ease,opacity .2s ease,transform .22s ease,visibility 0s,margin .22s ease;
}
@supports not (writing-mode:vertical-lr){
  .gmr-book-hero-volume.is-open .gmr-book-hero-volume-slider{
    width:94px;
    height:18px;
    transform:rotate(-90deg);
    margin:38px -28px 48px;
  }
  .gmr-book-hero-volume.is-open::before{height:154px}
}
@media(max-width:640px){
  .gmr-book-hero-volume{right:9px;bottom:9px;width:36px}
  .gmr-book-hero-mute{width:36px;height:36px;font-size:16px}
  .gmr-book-hero-volume::before{width:36px;height:36px}
  .gmr-book-hero-volume.is-open::before{height:132px}
  .gmr-book-hero-volume.is-open .gmr-book-hero-volume-slider{height:78px}
}
.gmr-book-hero-carousel,.gmr-book-hero-slide{position:absolute;inset:0}
.gmr-book-hero-slide{opacity:0;visibility:hidden;transition:opacity .55s ease;z-index:1}
.gmr-book-hero-slide.is-active{opacity:1;visibility:visible}
.gmr-book-hero-carousel .gmr-book-hero-media{width:100%;height:100%;object-fit:cover}
.gmr-book-hero-carousel .gmr-book-hero-media-shade{z-index:2}
.gmr-book-hero-carousel .gmr-book-hero-play,.gmr-book-hero-carousel .gmr-book-hero-volume,.gmr-book-hero-carousel .gmr-book-display-label,.gmr-book-hero-carousel .gmr-book-hero-dots{z-index:4}
.gmr-book-hero-dots{position:absolute;left:50%;bottom:18px;transform:translateX(-50%);display:flex;gap:7px;padding:7px 10px;border-radius:999px;background:rgba(32,13,42,.46);backdrop-filter:blur(7px)}
.gmr-book-hero-dots button{width:9px;height:9px;padding:0;border:0;border-radius:50%;background:rgba(255,255,255,.48);cursor:pointer}
.gmr-book-hero-dots button.is-active{background:#fff;transform:scale(1.25)}
.gmr-book-hero-mode-carousel .gmr-book-display-label{bottom:18px;left:18px}
.gmr-book-hero-mode-carousel.gmr-no-active-video .gmr-book-hero-volume,.gmr-book-hero-mode-carousel.gmr-no-active-video .gmr-book-hero-play{opacity:0;pointer-events:none}
.gmr-book-image-meta{display:flex;flex-wrap:wrap;gap:6px 14px;padding:10px 12px;background:#f7f3f9;border-top:1px solid #ddd1e4;color:#4a3b52;font-size:14px;line-height:1.45}.gmr-book-image-meta details{width:100%}.gmr-book-image-meta summary{cursor:pointer;font-weight:700;color:#54256f}.gmr-book-alerts{grid-column:1/-1;border:1px solid #d5c5dc;border-left:5px solid #6d3a85;border-radius:14px;padding:16px 18px;background:#fbf8fc}.gmr-book-alerts.severity-warning,.gmr-book-alerts.severity-danger{border-left-color:#a33b45;background:#fff7f7}.gmr-book-alerts h3{margin:0 0 12px;font-size:20px}.gmr-book-alerts p{margin:12px 0 0;font-size:16px}.gmr-book-badges{display:flex;flex-wrap:wrap;gap:8px}.gmr-book-badges span{display:inline-flex;align-items:center;gap:6px;padding:7px 10px;border:1px solid #cdbbd6;border-radius:999px;background:#fff;color:#40204f;font-weight:700;font-size:14px}.gmr-book-badges i{font-size:8px;color:#7a3b96}.gmr-book-shop a{display:inline-block;margin-top:8px;padding:10px 16px;border-radius:999px;background:#582475;color:#fff!important;text-decoration:none;font-weight:800}@media(max-width:600px){.gmr-book-image-meta{font-size:15px}.gmr-book-badges span{font-size:14px}.gmr-book-alerts{padding:14px}}