/* 影子採集所網站遊戲卡：所有 selector 均以 sc- 開頭，降低宿主網站樣式衝突。 */
.sc-game-card{
  --sc-beam-x:42%;--sc-beam-y:38%;--sc-rx:0deg;--sc-ry:0deg;--sc-develop-edge:100%;
  position:relative;isolation:isolate;overflow:hidden;
  display:grid;grid-template-columns:minmax(0,1.25fr) minmax(210px,.75fr);gap:28px;
  width:min(940px,100%);min-height:360px;padding:38px;
  border:1px solid rgba(36,75,104,.28);border-radius:6px;
  background:
    radial-gradient(circle at 78% 18%,rgba(214,144,55,.20),transparent 29%),
    linear-gradient(145deg,#f1ead8 0%,#e7ddc4 58%,#d9caaa 100%);
  box-shadow:0 30px 75px -42px rgba(0,0,0,.52),inset 0 1px rgba(255,255,255,.48);
  color:#12324d;text-decoration:none;box-sizing:border-box;
  transform:perspective(1100px) rotateX(var(--sc-rx)) rotateY(var(--sc-ry));
  transform-style:preserve-3d;
  transition:transform .22s ease,border-color .55s ease,box-shadow .75s ease,color .7s ease;
}
.sc-game-card::before{
  content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(circle at 78% 18%,rgba(225,166,89,.14),transparent 29%),
    linear-gradient(145deg,#06131f 0%,#09233a 58%,#061827 100%);
  clip-path:inset(0 var(--sc-develop-edge) 0 0);
  transition:clip-path .18s cubic-bezier(.2,.68,.25,1);
}
.sc-game-card::after{
  content:"";position:absolute;inset:0;z-index:1;pointer-events:none;opacity:.11;
  background-image:
    repeating-linear-gradient(0deg,rgba(16,48,72,.13) 0 1px,transparent 1px 5px),
    radial-gradient(circle at 30% 70%,rgba(16,48,72,.18) 0 1px,transparent 1.4px);
  background-size:auto,7px 7px;mix-blend-mode:soft-light;
  transition:opacity .7s ease;
}
.sc-game-card.sc-is-developed{
  border-color:rgba(155,205,231,.24);
  box-shadow:0 30px 75px -42px rgba(0,0,0,.85),inset 0 1px rgba(255,255,255,.04);
  color:#e4edf1;
}
.sc-game-card.sc-is-developed::after{opacity:.18}
.sc-game-card__developer{
  position:absolute;z-index:4;top:-8%;bottom:-8%;left:calc(100% - var(--sc-develop-edge) - 1px);
  width:1px;pointer-events:none;opacity:0;
  background:linear-gradient(180deg,transparent 0%,rgba(255,230,171,.96) 18%,rgba(172,224,240,.86) 52%,rgba(255,230,171,.85) 82%,transparent 100%);
  box-shadow:0 0 17px 4px rgba(228,192,125,.38),-10px 0 32px rgba(51,123,163,.18);
  transition:left .18s cubic-bezier(.2,.68,.25,1),opacity .2s ease;
}
.sc-game-card.sc-is-developing .sc-game-card__developer{opacity:.8}
.sc-game-card:hover,.sc-game-card:focus-visible{
  border-color:rgba(224,166,94,.58);
  box-shadow:0 38px 90px -42px rgba(0,0,0,.95),0 0 0 1px rgba(224,166,94,.12) inset;
}
.sc-game-card:focus-visible{outline:2px solid #e0a65e;outline-offset:5px}
.sc-game-card__beam{
  position:absolute;inset:0;z-index:2;pointer-events:none;opacity:.68;
  background:linear-gradient(112deg,transparent 0 38%,rgba(224,166,94,.05) 42%,rgba(255,210,139,.42) 48%,rgba(218,237,244,.24) 53%,transparent 60% 100%);
  background-size:210% 210%;background-position:var(--sc-beam-x) var(--sc-beam-y);
  mix-blend-mode:screen;transition:background-position .12s linear,opacity .25s ease;
}
.sc-game-card__copy{position:relative;z-index:3;display:flex;flex-direction:column;align-items:flex-start;min-width:0;transform:translateZ(18px)}
.sc-game-card__eyebrow{font:10px/1.5 SFMono-Regular,Menlo,monospace;letter-spacing:.17em;color:#496d83;transition:color .7s ease}
.sc-game-card strong{display:block;margin-top:32px;font:600 46px/1.1 "Songti TC","STSong",Georgia,serif;letter-spacing:.18em}
.sc-game-card i{display:block;margin-top:8px;font:italic 17px/1.2 "Bodoni 72","Didot",Georgia,serif;letter-spacing:.16em;color:#48677a;transition:color .7s ease}
.sc-game-card__desc{max-width:31em;margin-top:27px;font:15px/1.9 "Songti TC","STSong",Georgia,serif;color:#365a70;transition:color .7s ease}
.sc-game-card__meta{display:flex;flex-wrap:wrap;gap:7px;margin-top:21px}
.sc-game-card__meta span{padding:5px 8px;border:1px solid rgba(34,78,106,.2);font:10px/1 SFMono-Regular,"PingFang TC",Menlo,monospace;letter-spacing:.08em;color:#456b82;transition:border-color .7s ease,color .7s ease}
.sc-game-card__cta{display:flex;align-items:center;gap:9px;margin-top:auto;padding-top:28px;font:600 14px/1 "Songti TC","STSong",Georgia,serif;letter-spacing:.14em;color:#a46222;transition:color .7s ease}
.sc-game-card__cta b{font:18px/1 Georgia,serif;transition:transform .2s ease}
.sc-game-card:hover .sc-game-card__cta b{transform:translate(3px,-3px)}
.sc-game-card__visual{position:relative;z-index:1;display:grid;place-items:center;min-width:0;transform:translateZ(28px)}
.sc-game-card__plate{position:relative;display:block;width:min(245px,100%);aspect-ratio:1;padding:13px;border:1px solid rgba(29,78,107,.3);background:rgba(235,226,204,.64);box-shadow:0 28px 55px -28px rgba(22,48,63,.56);box-sizing:border-box;transition:border-color .7s ease,background .7s ease,box-shadow .7s ease}
.sc-game-card__plate::before,.sc-game-card__plate::after{content:"";position:absolute;width:17px;height:17px;border-color:#e6c181;opacity:.66}
.sc-game-card__plate::before{left:-1px;top:-1px;border-left:1px solid;border-top:1px solid}
.sc-game-card__plate::after{right:-1px;bottom:-1px;border-right:1px solid;border-bottom:1px solid}
.sc-game-card__plate img{display:block;width:100%;height:100%;object-fit:cover;border-radius:22%;filter:grayscale(.78) sepia(.25) saturate(.55) contrast(.9) brightness(1.12);transition:filter .9s ease}
.sc-game-card__index{position:absolute;right:0;bottom:8px;font:10px/1 SFMono-Regular,Menlo,monospace;letter-spacing:.16em;color:#42667c;writing-mode:vertical-rl;transition:color .7s ease}
.sc-game-card.sc-is-developed .sc-game-card__eyebrow{color:#7f9bac}
.sc-game-card.sc-is-developed i{color:#a9c0cd}
.sc-game-card.sc-is-developed .sc-game-card__desc{color:#b8cbd4}
.sc-game-card.sc-is-developed .sc-game-card__meta span{border-color:rgba(155,205,231,.17);color:#91adbd}
.sc-game-card.sc-is-developed .sc-game-card__cta{color:#edc27e}
.sc-game-card.sc-is-developed .sc-game-card__plate{border-color:rgba(180,215,231,.28);background:rgba(4,16,28,.48);box-shadow:0 28px 55px -28px rgba(0,0,0,.95)}
.sc-game-card.sc-is-developed .sc-game-card__plate img{filter:saturate(.92) contrast(1.04)}
.sc-game-card.sc-is-developed .sc-game-card__index{color:#7592a3}

@media (max-width:680px){
  .sc-game-card{grid-template-columns:minmax(0,1fr) 112px;gap:14px;min-height:290px;padding:24px 20px}
  .sc-game-card strong{margin-top:20px;font-size:27px;letter-spacing:.13em}
  .sc-game-card i{font-size:13px}
  .sc-game-card__desc{margin-top:18px;font-size:13px;line-height:1.75}
  .sc-game-card__meta{gap:5px;margin-top:15px}
  .sc-game-card__meta span{padding:4px 6px;font-size:8.5px}
  .sc-game-card__meta span:nth-child(2){display:none}
  .sc-game-card__cta{padding-top:20px;font-size:12px}
  .sc-game-card__plate{width:108px;padding:7px}
  .sc-game-card__index{display:none}
  .sc-game-card__beam{opacity:.58}
}
@media (max-width:390px){
  .sc-game-card{grid-template-columns:minmax(0,1fr) 92px;padding:22px 17px}
  .sc-game-card__eyebrow{font-size:8px;letter-spacing:.12em}
  .sc-game-card strong{font-size:24px}
  .sc-game-card__plate{width:90px}
}

/* Playtest Room host integration: reuse the same developing variables without
   replacing the room's existing card structure or data contract. */
.playtest-card[data-shadow-collector-card]{
  --sc-beam-x:42%;--sc-beam-y:38%;--sc-rx:0deg;--sc-ry:0deg;--sc-develop-edge:100%;
  position:relative;isolation:isolate;overflow:hidden;
  border-top-color:rgba(224,166,94,.55);
}
.playtest-card[data-shadow-collector-card]::before{
  content:"";position:absolute;z-index:7;top:-5%;bottom:-5%;
  left:calc(100% - var(--sc-develop-edge) - 1px);width:1px;pointer-events:none;opacity:0;
  background:linear-gradient(180deg,transparent,rgba(255,230,171,.96) 20%,rgba(172,224,240,.86) 52%,rgba(255,230,171,.82) 82%,transparent);
  box-shadow:0 0 17px 4px rgba(228,192,125,.34),-10px 0 32px rgba(51,123,163,.18);
  transition:left .18s cubic-bezier(.2,.68,.25,1),opacity .2s ease;
}
.playtest-card[data-shadow-collector-card].sc-is-developing::before{opacity:.82}
.playtest-card[data-shadow-collector-card]::after{
  content:"";position:absolute;z-index:6;inset:0;pointer-events:none;opacity:.16;
  background:linear-gradient(112deg,transparent 0 38%,rgba(224,166,94,.04) 42%,rgba(255,210,139,.42) 48%,rgba(218,237,244,.22) 53%,transparent 60% 100%);
  background-size:210% 210%;background-position:var(--sc-beam-x) var(--sc-beam-y);
  mix-blend-mode:screen;transition:background-position .12s linear,opacity .25s ease;
}
.playtest-card[data-shadow-collector-card] .playtest-card__poster{
  background:linear-gradient(145deg,#06131f,#0a2943 58%,#061827);
  transform:perspective(1000px) rotateX(var(--sc-rx)) rotateY(var(--sc-ry));
  transform-style:preserve-3d;transition:transform .22s ease;
}
.playtest-card[data-shadow-collector-card] .playtest-card__poster::before{
  background:linear-gradient(145deg,rgba(6,19,31,.22),rgba(11,58,91,.58));
  clip-path:inset(0 var(--sc-develop-edge) 0 0);
  transition:clip-path .18s cubic-bezier(.2,.68,.25,1);
}
.playtest-card[data-shadow-collector-card] .playtest-card__poster-media{
  filter:grayscale(.8) sepia(.3) saturate(.55) contrast(.92) brightness(1.13);
  transition:filter .9s ease,transform .32s ease;
}
.playtest-card[data-shadow-collector-card].sc-is-developed{
  border-top-color:rgba(143,196,220,.72);
  box-shadow:inset 0 0 0 1px rgba(143,196,220,.08);
}
.playtest-card[data-shadow-collector-card].sc-is-developed .playtest-card__poster-media{
  filter:saturate(.96) contrast(1.06) brightness(.9);
}
.playtest-card[data-shadow-collector-card] .playtest-card__engine{
  border-color:rgba(143,196,220,.72);color:#bfe4f3;
}
@media (prefers-reduced-motion:reduce){
  .sc-game-card{transform:none!important;transition:none}
  .sc-game-card::before{clip-path:inset(0 0 0 0);transition:none}
  .sc-game-card__developer{display:none}
  .sc-game-card__beam{background-position:42% 38%;transition:none;opacity:.34}
  .sc-game-card__cta b{transform:none!important}
  .playtest-card[data-shadow-collector-card] .playtest-card__poster{transform:none!important;transition:none}
  .playtest-card[data-shadow-collector-card] .playtest-card__poster::before{clip-path:inset(0 0 0 0);transition:none}
  .playtest-card[data-shadow-collector-card]::before{display:none}
  .playtest-card[data-shadow-collector-card]::after{background-position:42% 38%;transition:none;opacity:.12}
}

/* 只有 index.html 預覽頁會使用；整合網站時不必複製以下 demo 樣式。 */
.sc-card-demo{min-height:100vh;margin:0;display:grid;place-items:center;padding:40px 22px;box-sizing:border-box;background:#050d15;color:#dce8ed}
.sc-card-demo main{width:min(940px,100%)}
.sc-card-demo__label,.sc-card-demo__hint{margin:0 0 14px;font:9px/1.5 SFMono-Regular,Menlo,monospace;letter-spacing:.18em;color:#647e8d}
.sc-card-demo__hint{margin:15px 0 0;text-align:right;letter-spacing:.08em}