.wcbb-app { max-width: 480px; margin-top: 10px; }
.wcbb-progress { font-size: 13px; color: #666; margin-bottom: 8px; }
.wcbb-search { width: 100%; padding: 9px 12px; border-radius: 6px; border: 1px solid #ddd; margin-bottom: 10px; box-sizing: border-box; }
.wcbb-items { max-height: 320px; overflow-y: auto; margin-bottom: 12px; }
.wcbb-line { display: flex; align-items: center; justify-content: space-between; padding: 8px 0; border-bottom: 1px solid #eee; }
.wcbb-muted { font-size: 12px; color: #888; }
.wcbb-qty { display: flex; align-items: center; gap: 8px; }
.wcbb-qty button { width: 26px; height: 26px; border-radius: 50%; border: 1px solid #ddd; background: #fff; cursor: pointer; }
.wcbb-qty button:disabled { opacity: .35; cursor: default; }
.wcbb-confirm { width: 100%; }
.wcbb-message { color: #b4432e; font-size: 13px; margin-top: 8px; }