html,
body {
    overflow: hidden;
    background-color: #F1E8D9;
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
}

#renderCanvas {
    width: 100%;
    height: 100%;
    touch-action: none;
}

#fps {
    position: absolute;
    background-color: black;
    border: 2px solid red;
    text-align: center;
    font-size: 16px;
    color: white;
    top: 15px;
    right: 10px;
    width: 60px;
    height: 20px;
}

canvas {
    outline: none;
    -webkit-tap-highlight-color: rgba(255, 255, 255, 0); /* mobile webkit */
}

#updating-overlay {
    display: none;
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.45);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
    pointer-events: none;
    z-index: 10;
    animation: overlayPulse 1.2s ease-in-out infinite;
}

@keyframes overlayPulse {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0.55; }
}