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.3s}.btn-clear-cell[data-v-20a0b2b8]{background:#fc8181;color:#fff}.btn-clear-cell[data-v-20a0b2b8]:hover:not(:disabled){background:#f56565;transform:translateY(-2px)}.btn-hint[data-v-20a0b2b8]{background:#f6ad55;color:#fff}.btn-hint[data-v-20a0b2b8]:hover:not(:disabled){background:#ed8936;transform:translateY(-2px)}.btn-check[data-v-20a0b2b8]{background:#48bb78;color:#fff}.btn-check[data-v-20a0b2b8]:hover:not(:disabled){background:#38a169;transform:translateY(-2px)}.btn-clear-cell[data-v-20a0b2b8]:disabled,.btn-hint[data-v-20a0b2b8]:disabled,.btn-check[data-v-20a0b2b8]:disabled{opacity:.5;cursor:not-allowed}.game-status[data-v-20a0b2b8]{background:#fffffff2;border-radius:12px;padding:12px;text-align:center;box-shadow:0 2px 10px #0000001a;font-size:16px;font-weight:600}.game-status.success[data-v-20a0b2b8]{border:2px solid #48bb78;color:#48bb78}.game-status.error[data-v-20a0b2b8]{border:2px solid #f56565;color:#f56565;animation:shake-20a0b2b8 .5s}@keyframes shake-20a0b2b8{0%,to{transform:translate(0)}25%{transform:translate(-10px)}75%{transform:translate(10px)}}@media (max-width: 640px){.sudoku-container[data-v-20a0b2b8]{padding:6px}.header[data-v-20a0b2b8]{padding:6px 10px;margin-bottom:6px}.header h1[data-v-20a0b2b8]{font-size:18px}.user-name[data-v-20a0b2b8]{display:none}.controls[data-v-20a0b2b8]{padding:6px;margin-bottom:6px}.btn-difficulty[data-v-20a0b2b8]{padding:6px 2px;font-size:12px}.btn-reset[data-v-20a0b2b8],.btn-new-game[data-v-20a0b2b8]{padding:6px 8px;font-size:11px}.board-container[data-v-20a0b2b8]{padding:6px;margin-bottom:6px}.board-cell[data-v-20a0b2b8]{width:32px;height:32px;font-size:16px}.number-pad[data-v-20a0b2b8]{padding:6px;gap:5px;margin-bottom:6px}.btn-number[data-v-20a0b2b8]{padding:10px;font-size:16px}.btn-clear-cell[data-v-20a0b2b8],.btn-hint[data-v-20a0b2b8],.btn-check[data-v-20a0b2b8]{padding:10px;font-size:12px}.game-status[data-v-20a0b2b8]{padding:10px;font-size:14px}}@media (max-width: 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