.product-detail-page{background-color:var(--color-bg-secondary);min-height:100vh;padding-bottom:var(--spacing-3xl)}.product-main-section{padding-top:var(--spacing-xl);padding-bottom:var(--spacing-xl)}.product-layout{display:grid;grid-template-columns:1fr 1fr;grid-gap:var(--spacing-2xl);gap:var(--spacing-2xl);align-items:start}.product-gallery{position:-webkit-sticky;position:sticky;top:100px;background:#fff;padding:var(--spacing-lg);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg)}.main-image{position:relative;width:100%;aspect-ratio:1;display:flex;align-items:center;justify-content:center;background:#fff;border-radius:var(--radius-lg);overflow:hidden;margin-bottom:var(--spacing-md)}.main-image img{max-width:100%;max-height:100%;object-fit:contain;transition:transform .3s ease}.main-image:hover img{transform:scale(1.05)}.discount-badge{position:absolute;top:var(--spacing-md);right:var(--spacing-md);background:var(--color-error);color:#fff;padding:.25rem .75rem;border-radius:var(--radius-full);font-weight:700;font-size:var(--font-size-sm);box-shadow:var(--shadow-md)}.thumbnails{display:flex;gap:var(--spacing-sm);overflow-x:auto;padding-bottom:var(--spacing-xs)}.thumbnail{width:80px;height:80px;border:2px solid var(--color-border);border-radius:var(--radius-md);cursor:pointer;padding:var(--spacing-xs);background:#fff;transition:all .2s;flex-shrink:0}.thumbnail.active{border-color:var(--color-primary);box-shadow:0 0 0 2px var(--color-primary-light)}.thumbnail img{width:100%;height:100%;object-fit:contain}.product-info-panel{display:flex;flex-direction:column;gap:var(--spacing-lg)}.product-title{font-size:2.5rem;font-weight:800;color:var(--color-text-primary);line-height:1.2}.product-meta{gap:var(--spacing-lg);color:var(--color-text-secondary);font-size:var(--font-size-sm)}.product-meta,.rating{display:flex;align-items:center}.rating{gap:4px}.text-warning{color:#fbbf24}.product-price-box{background:#fff;padding:var(--spacing-xl);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);border:1px solid var(--color-border)}.price-row{margin-bottom:var(--spacing-md)}.current-price{font-size:2.5rem;font-weight:800;color:var(--color-primary);letter-spacing:-1px}.stock-status{display:inline-flex;align-items:center;gap:var(--spacing-xs);padding:.5rem 1rem;border-radius:var(--radius-full);font-weight:600;font-size:var(--font-size-sm);margin-bottom:var(--spacing-lg)}.stock-status.in-stock{background:#dcfce7;color:#166534}.variants-section{margin-bottom:var(--spacing-lg)}.variant-label{display:block;font-size:var(--font-size-sm);font-weight:600;margin-bottom:var(--spacing-sm);color:var(--color-text-primary)}.variant-options{display:flex;flex-wrap:wrap;gap:var(--spacing-sm)}.variant-btn{padding:.5rem 1rem;border:1px solid var(--color-border);border-radius:var(--radius-md);background:#fff;cursor:pointer;font-size:var(--font-size-sm);transition:all .2s;min-width:60px;text-align:center}.variant-btn:hover{border-color:var(--color-primary);color:var(--color-primary)}.variant-btn.active{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}.product-actions{display:flex;gap:var(--spacing-md);margin-bottom:0}.quantity-selector{display:flex;align-items:center;border:1px solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-bg-secondary);padding:.25rem}.quantity-selector button{width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:#fff;border:none;border-radius:var(--radius-md);cursor:pointer;color:var(--color-text-primary);transition:all .2s;box-shadow:var(--shadow-sm)}.quantity-selector button:hover:not(:disabled){background:var(--color-primary);color:#fff}.quantity-selector input{width:50px;text-align:center;border:none;background:transparent;-moz-appearance:textfield}.add-to-cart-btn,.quantity-selector input{font-weight:700;font-size:var(--font-size-lg)}.add-to-cart-btn{flex:1 1;height:50px;display:flex;align-items:center;justify-content:center;gap:var(--spacing-sm);background:var(--gradient-primary)!important;border:none!important;color:#fff!important;border-radius:var(--radius-lg)!important}.add-to-cart-btn:hover{transform:translateY(-2px);box-shadow:0 10px 20px -5px rgba(var(--color-primary-rgb),.4)}.favorite-btn{width:50px;height:50px;border-radius:var(--radius-lg);border:2px solid var(--color-border);display:flex;align-items:center;justify-content:center;font-size:1.25rem;color:var(--color-text-secondary);transition:all .2s;background:#fff}.favorite-btn:hover{border-color:var(--color-error);color:var(--color-error);background:#fff1f2}.product-features{display:grid;grid-template-columns:1fr 1fr;grid-gap:var(--spacing-md);gap:var(--spacing-md);padding:var(--spacing-lg);background:hsla(0,0%,100%,.6);border-radius:var(--radius-lg);border:1px solid var(--color-border)}.feature-item{display:flex;align-items:center;gap:var(--spacing-md)}.feature-item i{font-size:1.5rem;color:var(--color-primary)}.feature-item h4{font-size:var(--font-size-sm);font-weight:700;margin:0}.feature-item p{font-size:var(--font-size-xs);color:var(--color-text-secondary);margin:0}.tabs-container{background:#fff;border-radius:var(--radius-xl);box-shadow:var(--shadow-sm);overflow:hidden;margin-top:var(--spacing-2xl)}.tabs-header{display:flex;border-bottom:1px solid var(--color-border);background:var(--color-bg-secondary)}.tab-btn{padding:var(--spacing-lg) var(--spacing-xl);background:transparent;border:none;font-weight:600;color:var(--color-text-secondary);cursor:pointer;position:relative;transition:all .2s}.tab-btn.active,.tab-btn:hover{color:var(--color-primary)}.tab-btn.active{background:#fff}.tab-btn.active:after{content:"";position:absolute;bottom:-1px;left:0;width:100%;height:2px;background:var(--color-primary)}.tab-content{padding:var(--spacing-2xl);min-height:200px;font-size:var(--font-size-md);line-height:1.6;color:var(--color-text-secondary)}.related-products{margin-top:var(--spacing-3xl);padding-top:var(--spacing-2xl);border-top:1px solid var(--color-border)}.section-title{font-size:2rem;font-weight:800;color:var(--color-text-primary);margin-bottom:var(--spacing-xl)}.products-grid{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:var(--spacing-lg);gap:var(--spacing-lg)}@media (max-width:1200px){.products-grid{grid-template-columns:repeat(3,1fr)}}@media (max-width:992px){.product-layout{grid-template-columns:1fr;gap:var(--spacing-xl)}.product-gallery{position:static}.product-title{font-size:2rem}.products-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:576px){.product-actions{flex-wrap:wrap}.add-to-cart-btn{width:100%;flex:none}.favorite-btn{flex:1 1}.quantity-selector{flex:1 1;justify-content:space-between}.products-grid{grid-template-columns:1fr}}