/* Crystal Cavern: one SVG camera keeps the painted basin and moving tray aligned. */
.play-panel[data-mode="spelling"] .spelling-layout{grid-template-columns:minmax(0,1.35fr) minmax(300px,1fr);gap:24px;align-items:center}
.play-panel[data-mode="spelling"] .spelling-world{aspect-ratio:auto;align-self:center}
.cavern-exhibit{overflow:hidden;border:2px solid #9b7849;border-radius:16px;background:#213d3c;box-shadow:0 5px 18px #193a4829}
.cavern-stage{position:relative;aspect-ratio:3/2;overflow:hidden;isolation:isolate;background:radial-gradient(ellipse at 30% 20%,#846138,#142e32 70%)}
.cavern-background,.cavern-layers{display:block;position:absolute;inset:0;width:100%;height:100%}
.cavern-background{object-fit:fill}
.cavern-layers{pointer-events:none;overflow:hidden}
.cavern-specimen svg,.cavern-empty-tray svg,.cavern-front-rim svg{overflow:hidden}
.cavern-stage[data-outcome="won"] .cavern-outcome{background:#fff1c9;border-color:#d2a34f;color:#214e43;font-weight:bold}
.cavern-title{position:absolute;left:50%;top:3%;transform:translateX(-50%);padding:6px 20px;border:1px solid #b99b63;border-radius:3px 3px 14px 14px;background:#163b3beb;color:#f5e7c9;font:clamp(.85rem,1.8vw,1.3rem) Georgia,serif;white-space:nowrap;box-shadow:0 3px 10px #0004}
.cavern-gauge{position:absolute;left:4%;top:47%;height:29%;width:7%;display:flex;flex-direction:column;justify-content:space-between;padding:5px 4px;border:1px solid #b3935b99;border-radius:8px;background:#151f1ebd}
.cavern-gauge span{display:flex;align-items:center;gap:3px;color:#e2ceb1;font-size:clamp(.5rem,.7vw,.7rem)}
.cavern-gauge i{display:block;flex:1;height:3px;border-radius:2px;background:linear-gradient(#ecd29e,#92703d)}
.cavern-gauge b{font-weight:normal}.cavern-gauge .reached{color:#a8efe0}.cavern-gauge .reached i{background:#80cfc7;box-shadow:0 0 5px #a8efe0}
.cavern-outcome{position:absolute;left:50%;bottom:6%;transform:translateX(-50%);max-width:86%;padding:7px 15px;border:1px solid #d9c293;border-radius:6px;background:#faf7eff2;color:#193a48;font-family:Georgia,serif;font-size:clamp(.85rem,1.3vw,1.15rem);white-space:nowrap;box-shadow:0 3px 12px #0003}
.cavern-outcome:empty{display:none}
.cavern-rail{padding:12px 14px 10px;border-top:2px solid #aa8b59;background:linear-gradient(120deg,#263b38,#142c2e);color:#f3e4c7}
.cavern-crystals{display:flex;justify-content:center;align-items:center;flex-wrap:wrap;gap:6px;min-height:23px}
.cavern-crystal{display:block;width:15px;height:22px;clip-path:polygon(50% 0,88% 23%,100% 74%,50% 100%,0 74%,12% 23%);background:linear-gradient(110deg,#74827b,#324e4b 47%,#203d3c 51%,#62756d);opacity:.55}
.cavern-crystal.lit{background:linear-gradient(110deg,#fff7c8,#96e4cf 46%,#e7e9ad 51%,#d7ad62);opacity:1}
.cavern-status{margin:8px 0 0;color:#f1e6d1;font-size:clamp(.72rem,1vw,.88rem);line-height:1.4;text-align:center}
.play-panel[data-mode="spelling"] .letter-word{flex-wrap:wrap;max-width:100%;gap:2px;row-gap:8px}
.play-panel[data-mode="spelling"] .word-part{max-width:100%;display:flex;flex-wrap:wrap;justify-content:center}
.play-panel[data-mode="spelling"] .letter{font-size:clamp(1.1rem,2vw,1.7rem);min-width:19px}
@media(min-width:900px) and (max-height:800px){.play-panel[data-mode="spelling"] .spelling-layout{gap:16px}.cavern-rail{padding:8px 10px}.cavern-crystal{height:17px;width:12px}}
@media(max-width:899px){.play-panel[data-mode="spelling"] .spelling-layout{grid-template-columns:1fr;gap:14px}.play-panel[data-mode="spelling"] .spelling-world{max-width:570px;margin:auto}.cavern-title{font-size:1rem}}
@media(max-width:599px){.cavern-exhibit{border-radius:12px}.cavern-title{font-size:.85rem;padding:5px 14px}.cavern-rail{padding:8px 10px}.cavern-crystal{height:18px;width:12px}.cavern-crystals{gap:5px}.cavern-status{font-size:.72rem}.cavern-gauge{width:8%;left:3%;padding:3px}.cavern-gauge span{font-size:.5rem}.play-panel[data-mode="spelling"] .letter{min-width:17px;font-size:1.2rem}}