html, body {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    overflow: hidden;
    background-color: #0e0e0e; /* Nocturnal surface base */
    display: flex;
    align-items: center;
    justify-content: center;
}

#app-container {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Tablet and Desktop screens */
@media (min-width: 768px) {
    #app-container {
        width: 375px;
        height: 812px;
        position: relative;
        border-radius: 40px;
        box-shadow: 0 0 0 12px #1a1a1a, 0 0 0 14px #262626, 0 20px 50px rgba(0,0,0,0.5);
        overflow: hidden;
        background-color: #0e0e0e;
        flex-shrink: 0;
    }
}

canvas {
    width: 100% !important;
    height: 100% !important;
    outline: none;
    touch-action: none;
}