/* Base responsive styles */
.ae-auctioneer-ui, .ae-participant-ui {
  max-width: 100%;
  box-sizing: border-box;
  padding: 15px;
}

/* Mobile-first grid */
@media (max-width: 768px) {
  .ae-top {
    flex-direction: column;
  }
  
  .ae-video, .ae-lot-card, .ae-bid-panel {
    flex: 1 1 100%;
    margin-bottom: 15px;
  }
}

/* Loading states */
.ae-loading {
  position: relative;
  opacity: 0.7;
}
.ae-loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255,255,255,0.3);
  border-radius: 50%;
  border-top-color: #fff;
  animation: ae-spin 1s ease-in-out infinite;
}

@keyframes ae-spin {
  to { transform: rotate(360deg); }
}

/* Touch targets */
.ae-btn, [data-action] {
  min-height: 44px; /* Recommended touch target size */
  padding: 12px 20px;
}