html, body {
    width: 100%;
    height: 100%;
    min-height: 100%;
    min-height: 100dvh;
    margin: 0;
    padding: 0;
    overflow: hidden;
    overflow-x: hidden;
    /* Outside Compose canvas (overscroll / notch / browser chrome) */
    background-color: #111827;
    color-scheme: dark;
    /* iOS notch / home indicator */
    padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
    box-sizing: border-box;
}

@media (prefers-color-scheme: light) {
    html, body {
        background-color: #f1f5f9;
        color-scheme: light;
    }
}

/* Compose mounts a canvas/root on body — fill viewport */
body > canvas,
body > #ComposeTarget,
#root {
    width: 100% !important;
    height: 100% !important;
    max-width: 100vw;
    min-height: 100%;
    min-height: 100dvh;
    display: block;
    box-sizing: border-box;
}