html, body {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    overflow: hidden;
    /* 🚨 FIX: Disables browser-level pinch-to-zoom and swipe-to-refresh */
    touch-action: none;
    /* Optional: Stops users from accidentally highlighting text/SVG while dragging */
    -webkit-user-select: none;
    user-select: none;
}