html, body {
    margin: 0;
    padding: 0;
    background: #050510;
    height: 100%;
    overflow: hidden;
}

#game-container {
    position: relative;
    width: 1200px;
    height: 700px;
    margin: 0 auto;
    top: 50%;
    transform: translateY(-50%);
}

#game-container canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 1200px;
    height: 700px;
}

#terrain-canvas {
    z-index: 0;
}

#overlay-canvas {
    z-index: 1;
    cursor: crosshair;
}

#mobile-warning {
    display: none;
    color: #eee;
    font-family: monospace;
    text-align: center;
    padding: 3em 1.5em;
}

@media (max-width: 900px), (pointer: coarse) {
    #mobile-warning { display: block; }
    #game-container { display: none; }
}