.cardback-shop{box-sizing:border-box;width:min(960px,calc(100vw - 24px));max-height:92dvh;overflow:auto;padding:26px;border:1px solid #d8b97b;border-radius:25px;color:#fff2d5;background:radial-gradient(ellipse at 20% 0%,#67477577,transparent 65%),#191625;box-shadow:0 25px 90px #0009}.cardback-shop::backdrop{background:#090b16bb;backdrop-filter:blur(5px)}.cardback-shop header{display:flex;align-items:center;justify-content:space-between;gap:15px}.cardback-shop h2{font:700 clamp(24px,4vw,36px) Georgia,serif;margin:4px 0 12px}.cardback-wallet{padding:13px 18px;background:#cfa5e51a;border-radius:14px;margin:15px 0}.cardback-wallet strong{color:#ffe2a3;font-size:24px}#cardbackCatalog{display:grid;grid-template-columns:1fr 1fr;gap:18px}.cardback-card{overflow:hidden;border:1px solid #dcc28955;border-radius:18px;background:#ffffff06}.cardback-card>img{width:100%;aspect-ratio:16/9;object-fit:cover;display:block}.cardback-card>div{padding:18px}.cardback-card h3{font:700 23px Georgia,serif;margin:9px 0}.cardback-card p{line-height:1.5;color:#d6cadd}.cardback-card strong,.cardback-card small{display:block;margin:10px 0;color:#edc98c}.cardback-card button{width:100%;margin-top:8px}.cardback-confirm{width:min(520px,calc(100vw - 24px));text-align:center}.cardback-confirm>img{width:100%;max-height:32vh;object-fit:cover;border-radius:15px}.cardback-confirm p{line-height:1.5}.cardback-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:10px}#cardbackStatus{color:#f3d79e}@media(max-width:600px){#cardbackCatalog{grid-template-columns:1fr}.cardback-shop{padding:17px}}@media(max-height:500px){.cardback-shop{padding:16px}.cardback-confirm>img{max-height:22vh}.cardback-confirm h2{font-size:23px}}


/* V62: collection of twelve permanent table worlds. */
.cardback-collection{color:#dfc7ef;font-size:14px;line-height:1.5}
.cardback-card{display:flex;flex-direction:column;min-width:0}
.cardback-card>div{display:flex;flex-direction:column;flex:1}
.cardback-card p{flex:1}
.cardback-card.is-active{border-color:#b8dfac;box-shadow:0 0 0 1px #b8dfac55}
.cardback-card .gift-rarity{align-self:flex-start;color:#edd29e;font-size:12px;letter-spacing:.04em}

/* V63: real card-back artwork, retaining the existing pile dimensions. */
#gameScreen .card-back{background:var(--owned-cardback,url('card-backs/star-seal.webp')) center/100% 100% no-repeat!important;border:0!important;box-shadow:0 4px 9px #0005!important}
#gameScreen .card-back::before,#gameScreen .card-back::after,#gameScreen .card-back>i,#gameScreen .card-back>b{display:none!important}
#cardbackCatalog{grid-template-columns:repeat(3,minmax(0,1fr))}
.cardback-card>img{width:calc(100% - 48px);height:240px;aspect-ratio:2/3;object-fit:contain;margin:20px auto 0;filter:drop-shadow(0 6px 9px #0005)}
.cardback-card h3{font-size:22px}
.cardback-confirm>img{width:auto;max-width:100%;height:220px;object-fit:contain}
.gift-tabs{flex-wrap:wrap}
@media(max-width:750px){#cardbackCatalog{grid-template-columns:repeat(2,minmax(0,1fr))}.cardback-card>div{padding:12px}.cardback-card>img{width:calc(100% - 24px);height:190px}.cardback-card .btn{white-space:normal}}
@media(max-width:430px){#cardbackCatalog{grid-template-columns:1fr}.cardback-card>img{height:230px}}