/* Keep native selection and image menus out of the application surface. */
html, body, body * {
    -webkit-tap-highlight-color: transparent;
    -webkit-user-select: none !important;
    user-select: none !important;
    -webkit-touch-callout: none !important;
}

input, textarea, [contenteditable=""], [contenteditable="true"],
[contenteditable=""] *, [contenteditable="true"] * {
    -webkit-user-select: text !important;
    user-select: text !important;
}

img, svg, a {
    -webkit-user-drag: none;
}
.board-resize-handle { display:none!important; }
html.app-booting .portal-shell, html.app-booting .study-shell, html.app-booting .robot-shell { visibility:hidden; }