* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    width: 100%;
    height: 100%;
    background: #0b0d1a;
    overflow: hidden;
    overscroll-behavior: none;
    touch-action: none;
}

#game-container {
    position: fixed;
    top: env(safe-area-inset-top, 0);
    left: env(safe-area-inset-left, 0);
    right: env(safe-area-inset-right, 0);
    bottom: env(safe-area-inset-bottom, 0);
    width: calc(100% - env(safe-area-inset-left, 0) - env(safe-area-inset-right, 0));
    height: calc(100% - env(safe-area-inset-top, 0) - env(safe-area-inset-bottom, 0));
}

canvas {
    display: block;
}