/* Disable text selection */
body {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

/* Allow interaction with buttons and links only */
button,
a,
select {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

/* Image protection */
img {
    pointer-events: none;
    -webkit-user-drag: none;
    -khtml-user-drag: none;
    -moz-user-drag: none;
    -o-user-drag: none;
}

/* Blur effect when window loses focus */
body.content-blur {
    filter: blur(10px);
    -webkit-filter: blur(10px);
}