* { 
    box-sizing: border-box; 
    margin: 0; 
    padding: 0; 
    user-select: none; 
    -webkit-user-select: none; 
}

body, html { 
    width: 100%; 
    height: 100%; 
    overflow: hidden; 
    background: #000; 
    font-family: monospace; 
    color: #fff; 
}

canvas { 
    display: block; 
    width: 100vw; 
    height: 100vh; 
}

/* Touch Joystick UI */
#joystick-container {
    position: fixed;
    width: 150px;
    height: 150px;
    touch-action: none;
    pointer-events: none;
    z-index: 10;
    display: none;
    justify-content: center;
    align-items: center;
    margin-left: -75px;
    margin-top: -75px;
}

#joystick-base {
    position: absolute;
    font-size: 120px;
    line-height: 1;
    color: rgba(255, 255, 255, 0.4);
    pointer-events: none;
}

#joystick-handle {
    position: absolute;
    font-size: 40px;
    line-height: 1;
    color: rgba(255, 255, 255, 0.9);
    pointer-events: none;
    transform: translate(0px, 0px);
}