/**
 * Mobile engagement + ad polish
 */
@media (max-width: 640px) {
  /* Make save/share buttons full-width on tiny screens */
  .tdx-engage { flex-direction: column; gap: 8px; }
  .tdx-btn-save, .tdx-btn-share { width: 100%; justify-content: center; }

  /* Keep video controls tappable */
  .tdx-pc-btn { min-width: 40px; min-height: 40px; }
  .tdx-pc-progress { height: 18px; }
  .tdx-player-bigplay { width: 72px; height: 72px; }
  .tdx-player-bigplay svg { width: 36px; height: 36px; }

  /* Don't let ads push layout horizontally */
  .tdx-ad iframe, .tdx-ad ins { max-width: 100% !important; height: auto !important; }
  .tdx-ad--after_header { max-height: 100px; }

  /* Sticky footer ad slot for mobile monetization */
  .tdx-ad--mobile_sticky {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 950;
    margin: 0; padding: 6px 0; background: rgba(11,11,16,.95);
    border-top: 1px solid var(--border); backdrop-filter: blur(4px);
  }
  body.has-mobile-sticky { padding-bottom: 70px; }
}