.gomoku-subtitle {
    text-align: center;
    margin-bottom: 14px;
}

.gomoku-panel {
    width: min(760px, 100%);
    margin-inline: auto;
    text-align: center;
}

.gomoku-status {
    min-height: 30px;
    margin-bottom: 10px;
    font-size: 22px;
}

.gomoku-board {
    display: grid;
    grid-template-columns: repeat(15, 1fr);
    gap: 4px;
    margin: 0 auto 12px;
    width: min(100%, 620px);
}

.gomoku-cell {
    aspect-ratio: 1 / 1;
    border: 1px solid var(--border);
    background: #f5e6c8;
    font-size: 16px;
    line-height: 1;
    cursor: pointer;
    padding: 0;
}

.gomoku-cell:disabled {
    cursor: not-allowed;
    background: #ead8b7;
}

.gomoku-controls {
    display: flex;
    justify-content: center;
}

@media (max-width: 680px) {
    .gomoku-status {
        font-size: 20px;
    }
}