body {
    margin: 0;
    padding: 20px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background: var(--tg-theme-bg-color, #ffffff);
    color: var(--tg-theme-text-color, #000000);
    height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.status {
    font-size: 1.5rem;
    margin: 20px 0;
    text-align: center;
}
.gamespace {
    display: grid;
    grid-template-columns: repeat(3, 80px);
    grid-template-rows: repeat(3, 80px);
    gap: 5px;
    margin-bottom: 20px;
}
.item {
    width: 80px;
    height: 80px;
    background-color: var(--tg-theme-secondary-bg-color, #f0f0f0);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    font-weight: bold;
    cursor: pointer;
    border-radius: 8px;
    user-select: none;
}
.item.x { color: #3390ec; }
.item.o { color: #ec3333; }
button {
    margin-top: 20px;
    padding: 10px 20px;
    background-color: var(--tg-theme-button-color, #3390ec);
    color: var(--tg-theme-button-text-color, #ffffff);
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    cursor: pointer;
}