html,body {
    margin:0;
    padding:0;
    overflow:hidden;
}

#nrj-game {
position:relative;
width:100vw;
height:100vh;
overflow:hidden;
}

#nrj-canvas {
position:absolute;
top:0;
left:0;
z-index:1;
}

#nrj-ui {
position:absolute;
top:0;
left:0;
width:100%;
height:100%;
z-index:10;
pointer-events:none;
}

#nrj-hud {
position:absolute;
top:0;
left:0;
width:100%;
padding:10px;
color:#fff;
font-family:monospace;
}

#nrj-windows {
position:absolute;
top:0;
left:0;
width:100%;
height:100%;
pointer-events:none;
}

.nrj-window {
position:absolute;
background:rgba(0,0,0,0.85);
border:1px solid rgba(255,255,255,0.2);
border-radius:6px;
color:#fff;
padding:10px;
pointer-events:auto;
min-width:200px;
}


.nrj-window-header {
    position: relative;
    text-align: center;
    font-size: 20px;
    padding: 6px 30px;
    font-weight: bold;
    background:rgba(255,255,255,0.05);
    border-bottom:1px solid rgba(255,255,255,0.1);
    cursor:move;
}

.nrj-window-body {
padding:8px;
}