html,
body {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    color: rgba(255, 255, 255, 0.87);
    background-color: #020617;
    overscroll-behavior: none;
    touch-action: manipulation;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: Arial, sans-serif;
}

#app {
    width: 100%;
    height: 100vh;
    height: 100dvh;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    padding-top: env(safe-area-inset-top, 0);
    padding-right: env(safe-area-inset-right, 0);
    padding-bottom: env(safe-area-inset-bottom, 0);
    padding-left: env(safe-area-inset-left, 0);
    box-sizing: border-box;
    background:
        radial-gradient(circle at top, rgba(56, 189, 248, 0.08), transparent 28%),
        radial-gradient(circle at bottom, rgba(249, 168, 212, 0.08), transparent 32%),
        #020617;
}

#game-container {
    width: 100%;
    height: 100%;
}