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

.reversi-panel {
    width: min(620px, 100%);
    margin-inline: auto;
    text-align: center;
}

.reversi-legend {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 8px;
    font-size: 18px;
}

.reversi-status {
    min-height: 44px;
    margin-bottom: 12px;
    font-size: 20px;
}

.reversi-board {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 4px;
    margin-bottom: 12px;
}

.reversi-cell {
    aspect-ratio: 1 / 1;
    border: 2px solid var(--border);
    background: #f7efe0;
    font-size: 16px;
    cursor: pointer;
}

.reversi-cell:disabled {
    cursor: not-allowed;
    background: #eee4d1;
}

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