.product-card{display:block;background:var(--color-card);border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--color-border);text-decoration:none;color:inherit;transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition);height:100%}.product-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:color-mix(in srgb,var(--color-brand) 30%,var(--color-border))}.product-card:focus-visible{outline:2px solid var(--color-brand);outline-offset:3px}.product-card__media{position:relative;aspect-ratio:4 / 3;background:var(--color-muted);overflow:hidden}.product-card__img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.2,.8,.2,1)}.product-card:hover .product-card__img{transform:scale(1.06)}.product-card__chip{position:absolute;top:12px;left:12px;padding:6px 10px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:#fff;background:#0a0a0abf;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);border-radius:999px}.product-card__cart{position:absolute;top:12px;right:12px;width:36px;height:36px;display:grid;place-items:center;background:#ffffffeb;border-radius:999px;color:var(--color-muted-foreground);opacity:0;transition:background var(--transition),color var(--transition),transform var(--transition),opacity var(--transition)}.product-card:hover .product-card__cart{opacity:1}.product-card__cart:hover{background:var(--color-bg-card);color:var(--color-brand);transform:scale(1.06)}.product-card__cart--active{background:var(--color-brand)!important;color:var(--color-bg-card)!important;opacity:1!important}.product-card__cart--active:hover{background:var(--color-brand-dark)!important}.product-card__cart:disabled{opacity:.6;cursor:not-allowed}.product-card__cart-loader{font-size:18px;font-weight:700;animation:pulse 1s infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.product-card__body{padding:16px}.product-card__title-row{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.product-card__title{font-size:15px;font-weight:700;line-height:1.35;color:var(--color-foreground);display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.product-card__rating{display:inline-flex;align-items:center;gap:2px;font-size:13px;font-weight:700;color:var(--color-foreground);flex-shrink:0}.product-card__rating svg{color:var(--color-warning)}.product-card__loc{margin-top:6px;font-size:13px;color:var(--color-muted-foreground);display:inline-flex;align-items:center;gap:4px}.product-card__footer{display:flex;align-items:center;justify-content:space-between;margin-top:14px}.product-card__price{font-size:18px;font-weight:800;color:var(--color-foreground)}.product-card__price small{font-size:12px;font-weight:500;color:var(--color-muted-foreground);margin-left:2px}.product-card__book{font-size:13px;font-weight:700;padding:8px 14px;background:var(--color-brand);color:#fff;border-radius:var(--radius-sm);transition:background var(--transition)}.product-card:hover .product-card__book{background:var(--color-brand-dark)}.product-card--compact .product-card__body{padding:12px}.product-card--compact .product-card__title{font-size:14px}.product-card--compact .product-card__price{font-size:16px}