/* PR-86 PRIVATE tester screen: separate from the Russian game layout. */
#it86-screen:not(.hidden){position:fixed;inset:0;z-index:100000;overflow-y:auto;
  background:#11151b;color:#f6f0e5;padding:12px;display:flex;flex-direction:column;
  align-items:center;gap:9px;box-sizing:border-box}
#it86-screen.hidden{display:none!important}
#it86-screen h2{font-size:1.3rem;margin:5px}
#it86-screen .it86-controls{display:flex;flex-wrap:wrap;gap:7px;max-width:520px;justify-content:center}
#it86-screen input{max-width:290px;width:90%;padding:11px;font-size:1rem;
  border:1px solid #a69872;background:#242a32;color:#fff;border-radius:9px}
#it86-screen button:not(.it86-cell){padding:10px;border-radius:9px;
  border:1px solid #aa9769;background:#303943;color:#fff}
#it86-screen button:disabled{opacity:.5;cursor:not-allowed}
#it86-board{display:grid;grid-template-columns:repeat(8,minmax(0,1fr));
  width:min(92vw,480px);aspect-ratio:1;border:3px solid #aa9769}
#it86-board .it86-cell{border:0;padding:0;min-width:0;display:grid;place-items:center;
  border-radius:0;cursor:pointer}
#it86-board .it86-cell.dark{background:#82563b}
#it86-board .it86-cell.light{background:#efd6af}
#it86-board .it86-cell.selected{outline:3px solid #e3cd66;outline-offset:-4px}
#it86-board .it86-piece{display:grid;place-items:center;
  border-radius:50%;width:78%;aspect-ratio:1;font-size:min(5.5vw,30px);
  text-shadow:0 1px 2px #222}
#it86-board .it86-piece.dark{background:#202c3a;color:#ddd}
#it86-board .it86-piece.light{background:#f6eee0;color:#59452d}
#it86-board .it86-piece.king{box-shadow:inset 0 0 0 3px #bca04b}
#it86-link{font-size:.75rem;overflow-wrap:anywhere;max-width:92vw}
#it86-status{min-height:1.5em;text-align:center;font-weight:600}
#it86-board .it86-cell.movable .it86-piece{box-shadow:0 0 0 2px #7bc47f}
#it86-board .it86-cell.target::after{content:"";width:28%;aspect-ratio:1;border-radius:50%;
  background:rgba(227,205,102,.85);display:block}