/* Demo mode chrome that is not an inline style attribute on the banner.

   The guided tour positions its callouts against the desktop layout and
   locks every other control, so on a phone it would trap the visitor. Below
   600px the demo is gated: a full-screen notice replaces the page and offers
   the way out. Desktop is untouched. */
#demo-mobile-gate { display:none; }
@media (max-width:600px) {
  #demo-mobile-gate {
    display:flex; flex-direction:column; align-items:center; justify-content:center; gap:14px;
    position:fixed; inset:0; z-index:2147483647; padding:32px 24px; text-align:center;
    background:var(--paper); color:var(--ink); font-family:Inter, system-ui, -apple-system, sans-serif;
  }
  #demo-mobile-gate h1 { margin:0; font-size:20px; font-weight:700; letter-spacing:-0.01em; }
  #demo-mobile-gate p { margin:0; max-width:32ch; font-size:14px; line-height:1.55; color:var(--dim); }
  #demo-mobile-gate a { margin-top:8px; padding:10px 18px; border-radius:6px; background:var(--red); color:var(--surface); font-weight:600; font-size:14px; text-decoration:none; }
}