container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
}

.control-buttons {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.word-row {
    display: flex;
    gap: 5px;
    align-items: center;
}

.input-box {
    width: 48px;
    height: 46px;
    font-size:  18px;
    text-align: center;
    border: 2px solid #ccc;
    border-radius: 4px;
    text-transform: uppercase;
    font-weight: bold;
}

.uneditable {
    background-color: #f2f2f2;
    pointer-events: none;
    cursor: not-allowed;
}

.chain-error {
    width: 100%;
    height: 4px;
    background-color: red;
    visibility: hidden;
    margin: 3px 0;
}

@media (max-width: 768px) {
    .main-container {
        padding: 5px 20px;
        gap: 10px;
    }

    .container {
        gap: 0px;
    }

    .input-box {
        width: 48px;
        height: 46px;
        font-size:  18px;
    }
}