html,
body {
    width: 100%;
    height: 100%;
    margin: 0;
    overflow: hidden;
    background: #0f1117;
    position: fixed;
    inset: 0;
    overscroll-behavior: none;
    touch-action: none;
    user-select: none;
    -webkit-user-select: none;
    -webkit-touch-callout: none;
    -webkit-tap-highlight-color: transparent;
}

canvas {
    display: block;
    position: fixed;
    left: var(--app-viewport-left, 0px);
    top: var(--app-viewport-top, 0px);
    width: var(--app-viewport-width, 100vw);
    height: var(--app-viewport-height, 100dvh);
    touch-action: none;
    user-select: none;
    -webkit-user-select: none;
    -webkit-touch-callout: none;
    -webkit-tap-highlight-color: transparent;
}

#status {
    position: fixed;
    left: 12px;
    bottom: 12px;
    margin: 0;
    color: #d8dee9;
    font: 13px/1.4 Consolas, monospace;
}