.vkt-pb-builder{margin:20px 0;padding:18px;border:1px solid #ececec;border-radius:16px;background:#fff}.vkt-pb-tier-tabs,.vkt-pb-size-buttons{display:flex;gap:10px;flex-wrap:wrap}.vkt-pb-tier-tab,.vkt-pb-size-btn,.vkt-pb-card{cursor:pointer}.vkt-pb-tier-tab,.vkt-pb-size-btn{padding:12px 16px;border:1px solid #ddd;border-radius:10px;background:#fff}.vkt-pb-tier-tab.is-active,.vkt-pb-size-btn.is-active{background:#000;color:#fff;border-color:#000}.vkt-pb-cards{display:none;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;margin:16px 0}.vkt-pb-cards.is-active{display:grid}.vkt-pb-card{position:relative;display:flex;flex-direction:column;gap:8px;padding:10px;border:1px solid #ddd;border-radius:12px;background:#fff;text-align:left}.vkt-pb-card img{width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:8px;background:#f6f6f6}.vkt-pb-card.is-active{border-color:#000;box-shadow:0 0 0 2px #000 inset}.vkt-pb-card.is-disabled{opacity:.45}.vkt-pb-badge{position:absolute;top:8px;left:8px;z-index:2;background:#000;color:#fff;font-size:11px;padding:4px 8px;border-radius:999px}.vkt-pb-oos{display:none;position:absolute;inset:auto 10px 10px auto;background:#fff;color:#000;padding:4px 8px;border-radius:999px;border:1px solid #ddd;font-size:11px}.vkt-pb-card.is-disabled .vkt-pb-oos{display:block}.vkt-pb-label{margin:12px 0 8px;font-weight:600}.vkt-pb-summary{margin:16px 0;font-size:14px}.vkt-pb-error{margin:12px 0;color:#b42318}.vkt-pb-add-to-cart[disabled]{opacity:.6}