/* Scoped to the optional exhibit viewer; existing photographs and carousel stay intact. */
.pcgr-3d{margin-block:1.5rem 2.5rem;max-width:1100px}
.pcgr-3d>summary{cursor:pointer;display:list-item;width:fit-content;max-width:100%;padding:.85rem 1.3rem;border:1px solid #bba36b;border-radius:10px;color:#edcf8d;background:#102331;font-weight:700;list-style-position:inside;overflow-wrap:anywhere}
.pcgr-3d>summary:focus-visible,.pcgr-3d button:focus-visible,.pcgr-3d-stage:focus-visible{outline:3px solid #f1cc77;outline-offset:4px}
.pcgr-3d-panel{margin-top:1rem;border:1px solid #53616b;border-radius:16px;background:#0b1d2a;padding:clamp(14px,3vw,28px);color:#e9e8e2}
.pcgr-3d-note{color:#edcf8d;font-size:.95rem;line-height:1.6;margin:0 0 .6rem}
.pcgr-3d-help,.pcgr-3d-status{font-size:.88rem;line-height:1.6;color:#c0cbd1}
.pcgr-3d-stage{position:relative;aspect-ratio:40/27;width:100%;max-height:640px;overflow:hidden;touch-action:pan-y;cursor:grab;border-radius:12px;background:radial-gradient(ellipse at 50% 40%,#304754 0%,#132936 58%,#081720 100%)}
.pcgr-3d-stage.is-dragging{cursor:grabbing}
.pcgr-3d-stage::before{content:"";position:absolute;left:13%;right:13%;bottom:11%;height:15%;border:1px solid #9c885833;border-radius:50%;background:radial-gradient(ellipse,#0007,transparent 70%);pointer-events:none}
.pcgr-3d-scene{display:block;width:100%;height:100%;position:relative;pointer-events:none;user-select:none}
.pcgr-3d-model-name{position:absolute;inset-inline:12px;bottom:12px;text-align:center;font-size:clamp(.7rem,2vw,.95rem);letter-spacing:.08em;color:#eed598;pointer-events:none}
.pcgr-3d-controls:not([hidden]){display:flex;flex-wrap:wrap;gap:.55rem;justify-content:center;margin-top:1rem}
.pcgr-3d-controls button{min-width:44px;min-height:44px;padding:.5rem .8rem;border:1px solid #8f815f;border-radius:8px;color:#f3dfb0;background:#172d3c;font:inherit;font-size:.85rem;cursor:pointer}
.pcgr-3d-controls button:hover{background:#304854}
.pcgr-3d-status{min-height:1.5em;text-align:center;margin-bottom:0}
@media(max-width:480px){.pcgr-3d-panel{padding:12px}.pcgr-3d-controls{gap:.4rem}.pcgr-3d-controls button{flex:1 0 auto;font-size:.8rem}.pcgr-3d-stage{aspect-ratio:1/1}.pcgr-3d-model-name{letter-spacing:0}}