/* UI-only copy deterrent. Browser-delivered data is never confidential. */
html.omni-copy-guard body,
html.omni-copy-guard body * { -webkit-user-select: none; user-select: none; }

/* Explicit share/export regions and native editing/navigation controls. */
html.omni-copy-guard body :is(input, textarea, select, a[href], pre, code,
    [role="textbox"], [contenteditable="true"], [contenteditable="plaintext-only"],
    [data-omni-copy-allow]),
html.omni-copy-guard body :is(a[href], pre, code, [data-omni-copy-allow],
    [role="textbox"], [contenteditable="true"], [contenteditable="plaintext-only"]) * {
  -webkit-user-select: text; user-select: text;
}