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ease}.top-solution-button:hover{background-color:#f57c00}.top-solution-button.active{background-color:#e65100}.solution-display{background-color:#37474f;border-radius:8px;padding:1rem}.solution-reached{color:#4caf50;font-weight:700;margin-top:1rem;padding:.5rem;border-radius:4px;background-color:#4caf501a}.game-board{display:flex;flex-direction:column;align-items:center;gap:1rem;padding:1rem;background-color:#2a2a2a;border-radius:8px;width:100%}.game-grid{display:grid;grid-template-rows:repeat(2,minmax(80px,auto));grid-template-columns:repeat(6,1fr);column-gap:.8rem;row-gap:1rem;width:100%;margin-bottom:1.5rem;max-width:900px;margin-left:auto;margin-right:auto}.empty-tile{visibility:hidden;background-color:transparent;border:1px dashed 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