.model-viewer-section{padding:4rem 0;background-color:var(--color-surface,#141b22)}.model-viewer-section .section-title{text-align:center;margin-bottom:.5rem}#biogs-viewer-wrap{position:relative;width:100%;height:520px;overflow:hidden;background:0 0}#biogs-canvas{display:block;width:100%;height:100%}#biogs-loading{position:absolute;inset:0;flex-direction:column;align-items:center;justify-content:center;background:rgba(20,27,34,.85);z-index:10;transition:opacity .4s;display:none}#biogs-load-text{color:#ccc;font-size:.9rem;margin-bottom:.75rem}#biogs-load-bar-wrap{width:200px;height:3px;background:rgba(255,255,255,.15);border-radius:2px;overflow:hidden}#biogs-load-bar{height:100%;width:0%;background:var(--color-accent,#318c17);border-radius:2px;transition:width .2s}#biogs-error{display:none;position:absolute;inset:0;align-items:center;justify-content:center;color:#f88;font-size:.95rem;text-align:center;padding:2rem;z-index:11}#biogs-error.visible{display:flex}.model-controls-hint,.model-viewer-hint{display:flex;justify-content:center;gap:1.5rem;text-align:center;font-size:.8rem;color:var(--color-text-muted,#888);margin-top:.5rem}.model-reset-btn{display:block;margin:.75rem auto 0;padding:.4rem 1.1rem;font-size:.82rem;border:1px solid var(--color-border,#333);border-radius:4px;background:0 0;color:var(--color-text,#ccc);cursor:pointer;transition:background .2s,color .2s,border-color .2s;position:relative}.model-reset-btn:hover:not(:disabled){background:var(--color-accent,#318c17);color:#fff;border-color:var(--color-accent,#318c17)}.model-reset-btn:disabled{opacity:.6;cursor:wait}.model-reset-btn.btn-ready{border-color:var(--color-accent,#318c17);color:var(--color-accent,#318c17)}.model-reset-btn.btn-ready:hover:not(:disabled){background:var(--color-accent,#318c17);color:#fff}.model-reset-btn.btn-download{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);margin:0;z-index:5;padding:.65rem 1.6rem;font-size:.95rem;border:1.5px solid var(--color-accent,#318c17);color:var(--color-accent,#318c17);background:0 0;border-radius:6px}.model-reset-btn.btn-download:hover:not(:disabled){background:var(--color-accent,#318c17);color:#fff;border-color:var(--color-accent,#318c17)}@media (max-width:768px){#biogs-viewer-wrap{height:360px}}@media (max-width:480px){#biogs-viewer-wrap{height:280px}}#biogs-loading.active{display:flex}#biogs-loading.hidden{opacity:0;pointer-events:none}