@media (max-width: 720px) {
  #gameScreen:not(.hidden) {
    display: grid;
    grid-template-rows: auto minmax(0, 1fr);
    gap: 6px;
    height: 100%;
    min-height: 0;
    overflow: hidden;
  }

  #onlineGameScreen:not(.hidden) {
    display: grid;
    grid-template-rows: auto minmax(0, 1fr);
    gap: 6px;
    height: 100%;
    min-height: 0;
    padding: 8px;
    overflow: hidden;
  }

  #menuScreen,
  #rankingScreen {
    overflow: hidden;
  }

  .topbar {
    width: 100%;
    margin: 0;
  }

  .brand-lockup {
    display: none;
  }

  .status-strip {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 5px;
    width: 100%;
  }

  #onlineGameScreen .status-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .status-strip span,
  .audio-button {
    display: grid;
    place-items: center;
    min-width: 0;
    min-height: 34px;
    padding: 4px;
    border-radius: 6px;
    font-size: 11px;
    line-height: 1.1;
  }

  .game-layout {
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: minmax(0, 1fr) auto;
    gap: 6px;
    width: 100%;
    height: 100%;
    min-height: 0;
    margin: 0;
  }

  .online-shell {
    width: 100%;
    max-height: calc(100dvh - 16px);
    margin: 0;
    padding: 14px;
    overflow: auto;
  }

  .online-heading,
  .online-panel-title {
    align-items: center;
  }

  .online-entry-tabs {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 4px;
    margin: 0;
    padding: 4px;
  }

  .online-entry-tabs .auth-tab {
    min-height: 38px;
    padding: 0 6px;
    font-size: 11px;
    line-height: 1.1;
  }

  .online-entry-actions,
  .online-entry-secondary,
  .online-sabotage-guide,
  .online-lobby-layout {
    gap: 10px;
  }

  .online-entry-actions {
    grid-template-columns: 1fr;
  }

  .online-entry-secondary {
    display: contents;
  }

  .online-entry-actions [data-online-entry-panel] {
    min-height: 260px;
  }

  .online-entry-actions [data-online-entry-panel]:not(.is-active) {
    display: none;
  }

  .online-entry-actions [data-online-entry-panel].is-active {
    display: grid;
  }

  .online-entry-primary {
    min-height: 260px;
  }

  .sabotage-preview-frame {
    aspect-ratio: auto;
    min-height: 420px;
  }

  .online-card,
  .online-player-panel,
  .online-lobby-main {
    padding: 10px;
  }

  .invite-code-panel strong {
    font-size: 26px;
  }

}