/* Row 1.3 (cards #11, #170): loaded only while Test Mode is on. A vivid orange glow at the window's four edges, strongest
   at the edge and clear within about 40 px (24 on a phone), over every page and in nobody's way: fixed to the window,
   under no click, and never printed. No banner (Cameron, 2026-10-20: "the test mode banner is too big"); orange, not the
   first blue, to be "more vibrant and attention getting" (Cameron, the same day). */
body::after { content: ""; position: fixed; inset: 0; pointer-events: none; z-index: 2147483000; box-shadow: inset 0 0 40px 8px rgba(255, 90, 0, .85); } /* dark-ok: one caution colour on every page, light or dark, in every look */
.test-mode-words { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.topbar .test-mode-switch .is-on { background: #ff5a00; color: #111; border-color: #ff5a00; } /* dark-ok: the switch wears the glow's colour; #111 on it is 6 to 1 */
@media (max-width: 40rem) {
  body::after { box-shadow: inset 0 0 24px 4px rgba(255, 90, 0, .85); }
}
@media print {
  body::after { content: none; }
}