/* 2026-10-19 replace flat black panel fills with a subdued command-deck plate. */
:is(
  .reference-page-mount,
  .game-item-status-panel,
  .fleet-step-panel,
  .alliance-create-shell,
  .alliance-discovery,
  .alliance-command-hero,
  .alliance-overview-grid,
  .alliance-treasury,
  .alliance-member-panel,
  .alliance-active-tech,
  .shop-offer-card,
  .settings-panel,
  .modal-card,
  .dialog-card,
  .game-modal,
  .reward-panel,
  .mission-panel
) {
  background-image:
    linear-gradient(180deg, rgba(2, 8, 11, .91), rgba(2, 8, 11, .82) 55%, rgba(2, 8, 11, .94)),
    url("../../../assets/ui-reference/tactical-command-bg.webp");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-blend-mode: normal;
  box-shadow:
    inset 0 1px rgba(255, 255, 255, .10),
    inset 0 -2px 8px rgba(0, 0, 0, .32),
    0 4px 14px rgba(0, 0, 0, .28);
}