html, body {
    margin: 0;
    padding: 0;
    background: #f5f1ea;
    font-family: system-ui, -apple-system, sans-serif;
}

a {
    text-decoration: none;
    color: #0426a1;
    font-weight: bold;
}

a:hover {
    color: #fa0b00;
}

.page {
    max-width: 640px;
    margin: 0 auto;
    padding: 2em 1em;
}

.board-wrapper {
    max-width: 540px;
    margin: 1.5em auto;
}

.controls {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5em;
    justify-content: center;
    margin-top: 1em;
}

.controls button {
    padding: 0.5em 1em;
    cursor: pointer;
}

@media (max-width: 1000px) {
    .board-wrapper {
        max-width: 90%;
        margin: 2em auto;
    }
}