/*
 * RC4.8.3 Build 6.2.8.16.9.7.7.6.5.4.2.3.15.4.2
 * Matches Phase C Single Presentation Authority.
 *
 * The legacy Phase-A presentation remains connected and unchanged as the
 * capability/source surface used by the existing Phase-C clone projection.
 * Only its competing visible presentation is suppressed after the 15.4.2
 * runtime gate explicitly applies the scoped marker class.
 */
.btc-matches-golden-master.btc-phase-c-source-presentation-suppressed {
  display: none !important;
}