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button[data-v-0599bd92]{flex:1;min-width:45px;height:55px;border:none;border-radius:8px;background:#fff;color:#2d3748;font-size:1.3rem;font-weight:600;cursor:pointer;transition:all .2s;box-shadow:0 2px 4px #0000001a;padding:0;display:flex;align-items:center;justify-content:center;touch-action:manipulation}.virtual-keyboard .enter[data-v-0599bd92]{flex:2;background:#4299e1;color:#fff}.virtual-keyboard .backspace[data-v-0599bd92]{flex:1.5;background:#e2e8f0}@media (max-width: 480px){.virtual-keyboard[data-v-0599bd92]{padding:.25rem;margin-top:.5rem}.keyboard-row[data-v-0599bd92]{gap:.15rem;margin-bottom:.15rem}.virtual-keyboard button[data-v-0599bd92]{min-width:35px;height:45px;font-size:1.1rem}.problem[data-v-0599bd92]{font-size:1.8rem!important}input[data-v-0599bd92]{font-size:1.8rem!important;width:90px!important}}@media (min-width: 481px) and (max-width: 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