#oc-session-warning {
  box-sizing: border-box; width: min(520px, calc(100vw - 32px)); max-height: calc(100dvh - 32px);
  margin: auto; padding: 28px; border: 1px solid #cbd5e1; border-radius: 8px;
  background: #fff; color: #193653; box-shadow: 0 12px 40px #0004; font: 16px/1.5 Arial, sans-serif;
}
#oc-session-warning::backdrop { background: #071427db; }
#oc-session-warning h2 { font: 600 22px/1.3 Arial, sans-serif; color: #193653; margin: 0 0 16px; }
#oc-session-warning p { font-size: 16px; color: #334155; margin: 0 0 20px; }
#oc-session-warning .oc-session-actions { display: flex; flex-wrap: wrap; gap: 12px; }
#oc-session-warning .oc-session-actions > * {
  padding: 10px 16px; border: 1px solid #193653; border-radius: 6px; background: #193653;
  color: #fff; font: 600 16px/1.4 Arial, sans-serif; text-decoration: none; cursor: pointer;
}
#oc-session-warning .oc-session-actions button { color: #193653; background: #fff; }
#oc-session-warning .oc-session-status { margin: 16px 0 0; }