:root {
    color-scheme: light dark;
    --bg: #f8f8f8;
    --bg-dark: #222;

    --text: #000;
    --text-dark: #ddd;
}

html, body {
    width:  100%;
    height: 100%;
    margin: 0;
    padding: 0;

    background: light-dark(var(--bg), var(--bg-dark));
    color: light-dark(var(--text), var(--text-dark));

    font-family: -apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol";
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;

    -webkit-text-size-adjust: 100%;
    -moz-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;

    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

.center-message {
    font-size: 2rem;
    font-weight: bold;
    text-align: center;
}