.board{display:grid;grid-template-columns:repeat(3,1fr);aspect-ratio:1;max-width:290px;margin:auto;gap:6px}.cell{position:relative;display:flex;min-width:0;flex-direction:column;align-items:center;justify-content:center;border:2px solid #7c997d;border-radius:5px;background:#254c35;color:#e5edde;line-height:1.35}.cell.is-lit{background:#f4d16e;color:#183b29;border-color:#fff0b4;box-shadow:inset 0 0 0 3px #e7bb52}.cell .word{font-size:23px;font-weight:900}.cell .lamp-state{font-size:11px}.cell .position{position:absolute;left:5px;top:3px;font-size:10px}.board-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:9px}@media(max-width:760px){.board{max-width:240px}.cell .word{font-size:20px}}