@media (max-width:768px){.btn{min-height:44px;padding:12px 20px;font-size:16px}.form-control,.form-select{min-height:44px;font-size:16px}.navbar-collapse{max-height:80vh;overflow-y:auto}.navbar-nav{padding:1rem 0}.nav-link{padding:12px 16px!important;font-size:18px}.navbar .input-group{margin:1rem 0}.navbar .btn-outline-success{width:100%;margin-top:1rem;justify-content:center}.filters-sidebar{position:fixed;left:-100%;top:0;width:85%;max-width:320px;height:100vh;background:#fff;z-index:1050;transition:left .3s ease;overflow-y:auto;box-shadow:2px 0 10px rgba(0,0,0,.1)}.filters-sidebar.show{left:0}.filters-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.5);z-index:1040;display:none}.filters-overlay.show{display:block}.mobile-filters-header{display:flex;justify-content:space-between;align-items:center;padding:1rem;border-bottom:1px solid #ddd;position:sticky;top:0;background:#fff;z-index:10}.mobile-filters-close{background:none;border:none;font-size:24px;cursor:pointer;padding:0;width:40px;height:40px}.filters-body{padding:1rem}.mobile-filters-footer{position:sticky;bottom:0;background:#fff;padding:1rem;border-top:1px solid #ddd;display:flex;gap:10px}.mobile-filters-footer .btn{flex:1}}.mobile-filters-toggle{display:none}@media (max-width:768px){.mobile-filters-toggle{display:flex;position:fixed;bottom:80px;right:20px;width:60px;height:60px;border-radius:50%;background:#198754;color:#fff;border:none;box-shadow:0 4px 12px rgba(0,0,0,.3);z-index:1030;align-items:center;justify-content:center;font-size:24px}.mobile-filters-toggle:active{transform:scale(.95)}}@media (max-width:576px){.product-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.product-card{padding:10px}.product-card img{height:150px;object-fit:cover}.product-card .card-title{font-size:14px;line-height:1.3;max-height:2.6em;overflow:hidden}.product-card .price{font-size:16px}}@media (max-width:768px){.product-images-gallery{margin-bottom:1rem}.product-main-image{height:300px;object-fit:cover}.product-thumbnails{display:flex;gap:10px;overflow-x:auto;padding:10px 0;-webkit-overflow-scrolling:touch}.product-thumbnail{flex:0 0 80px;height:80px}.product-info{padding:1rem}.product-title{font-size:20px;margin-bottom:1rem}.product-price{font-size:28px;margin-bottom:1rem}.product-actions{position:fixed;bottom:0;left:0;width:100%;background:#fff;padding:15px;box-shadow:0 -2px 10px rgba(0,0,0,.1);z-index:1020;display:flex;gap:10px}.product-actions .btn{flex:1}.cart-item{flex-direction:column;align-items:flex-start}.cart-item-image{width:100%;max-width:150px;margin-bottom:1rem}.cart-item-info{width:100%}.cart-summary{position:sticky;bottom:0;background:#fff;padding:1rem;box-shadow:0 -2px 10px rgba(0,0,0,.1)}.checkout-steps{display:flex;overflow-x:auto;margin-bottom:1rem;-webkit-overflow-scrolling:touch}.checkout-step{flex:0 0 auto;padding:10px 20px;white-space:nowrap}.order-summary{position:sticky;bottom:0;background:#fff;padding:1rem;box-shadow:0 -2px 10px rgba(0,0,0,.1)}.form-check-input{width:24px;height:24px;margin-top:0}.form-check-label{padding-left:10px;font-size:16px}.form-select{background-size:20px 20px;padding-right:40px}.quantity-control{display:flex;align-items:center;gap:10px}.quantity-control button{width:44px;height:44px;padding:0;font-size:20px}.quantity-control input{width:60px;text-align:center;font-size:18px}.mobile-bottom-nav{position:fixed;bottom:0;left:0;width:100%;height:65px;background:#fff;border-top:1px solid #ddd;display:flex;justify-content:space-around;align-items:center;z-index:1010;box-shadow:0 -2px 10px rgba(0,0,0,.1)}.mobile-bottom-nav a{display:flex;flex-direction:column;align-items:center;justify-content:center;color:#666;text-decoration:none;flex:1;padding:8px}.mobile-bottom-nav a.active,.mobile-bottom-nav a:hover{color:#198754}.mobile-bottom-nav i{font-size:24px;margin-bottom:4px}.mobile-bottom-nav span{font-size:11px}body{padding-bottom:65px}.swipeable-gallery{position:relative;overflow:hidden;touch-action:pan-y}.swipeable-gallery-track{display:flex;transition:transform .3s ease}.swipeable-gallery-item{flex:0 0 100%;width:100%}.swipeable-gallery-dots{display:flex;justify-content:center;gap:8px;padding:10px 0}.swipeable-gallery-dot{width:8px;height:8px;border-radius:50%;background:#ddd;border:none;padding:0;cursor:pointer}.swipeable-gallery-dot.active{background:#198754}.pull-to-refresh{position:absolute;top:-60px;left:50%;transform:translateX(-50%);width:40px;height:40px;display:flex;align-items:center;justify-content:center;transition:top .3s ease}.pull-to-refresh.pulling{top:10px}.pull-to-refresh .spinner{border:3px solid #f3f3f3;border-top:3px solid #198754;border-radius:50%;width:30px;height:30px;animation:spin 1s linear infinite}}@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}@media (max-width:768px){h1{font-size:24px}h2{font-size:20px}h3{font-size:18px}h4{font-size:16px}body{font-size:14px}.desktop-only{display:none!important}}.mobile-only{display:none!important}@media (max-width:768px){.mobile-only{display:block!important}.mobile-only.inline{display:inline!important}.mobile-only.flex{display:flex!important}}