:root{--primary-color: #3b82f6;--primary-hover: #2563eb;--bg-color: #f3f4f6;--card-bg: #ffffff;--text-main: #1f2937;--text-muted: #6b7280;--border-color: #e5e7eb}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;background-color:var(--bg-color);color:var(--text-main);line-height:1.5}.app-container{min-height:100vh}.header{background-color:var(--card-bg);box-shadow:0 1px 3px #0000001a;position:sticky;top:0;z-index:40}.header-content{max-width:1200px;margin:0 auto;padding:1rem;display:flex;justify-content:space-between;align-items:center}.logo{font-size:1.5rem;font-weight:700;color:var(--primary-color)}.header-actions{display:flex;gap:1rem;align-items:center}.search-input{padding:.5rem 1rem;border:1px solid var(--border-color);border-radius:.375rem;outline:none;width:250px}.search-input:focus{border-color:var(--primary-color)}.cart-btn{background-color:var(--primary-color);color:#fff;border:none;padding:.5rem 1rem;border-radius:.375rem;cursor:pointer;font-weight:500;display:flex;align-items:center;gap:.5rem}.cart-btn:hover{background-color:var(--primary-hover)}.cart-badge{background-color:#fff;color:var(--primary-color);font-size:.75rem;font-weight:700;padding:.125rem .375rem;border-radius:9999px}.main-content{max-width:1200px;margin:2rem auto;padding:0 1rem}.category-filter{display:flex;gap:.5rem;margin-bottom:2rem;overflow-x:auto;padding-bottom:.5rem}.filter-btn{padding:.5rem 1rem;background-color:var(--card-bg);border:1px solid var(--border-color);border-radius:9999px;cursor:pointer;white-space:nowrap;transition:all .2s}.filter-btn:hover{border-color:var(--primary-color)}.filter-btn.active{background-color:var(--primary-color);color:#fff;border-color:var(--primary-color)}.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:2rem}.no-products{text-align:center;color:var(--text-muted);font-size:1.125rem;padding:4rem 0}.product-card{background-color:var(--card-bg);border-radius:.5rem;overflow:hidden;box-shadow:0 1px 3px #0000001a;transition:transform .2s,box-shadow .2s;display:flex;flex-direction:column}.product-card:hover{transform:translateY(-4px);box-shadow:0 10px 15px -3px #0000001a}.product-image{height:200px;width:100%;overflow:hidden}.product-image img{width:100%;height:100%;object-fit:cover}.product-info{padding:1.5rem;display:flex;flex-direction:column;flex-grow:1}.product-category{font-size:.875rem;color:var(--text-muted);margin-bottom:.25rem}.product-name{font-size:1.125rem;margin-bottom:1rem;flex-grow:1}.product-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:auto}.product-price{font-weight:700;font-size:1.25rem;color:var(--text-main)}.add-to-cart-btn{background-color:var(--bg-color);color:var(--text-main);border:1px solid var(--border-color);padding:.5rem 1rem;border-radius:.375rem;cursor:pointer;transition:all .2s}.add-to-cart-btn:hover{background-color:var(--primary-color);color:#fff;border-color:var(--primary-color)}.cart-drawer-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#00000080;z-index:50}.cart-drawer{position:fixed;top:0;right:-400px;width:100%;max-width:400px;height:100vh;background-color:var(--card-bg);box-shadow:-4px 0 15px #0000001a;z-index:60;transition:right .3s ease-in-out;display:flex;flex-direction:column}.cart-drawer.is-open{right:0}.cart-header{padding:1.5rem;border-bottom:1px solid var(--border-color);display:flex;justify-content:space-between;align-items:center}.close-btn{background:none;border:none;font-size:1.5rem;cursor:pointer;color:var(--text-muted)}.close-btn:hover{color:var(--text-main)}.cart-content{flex-grow:1;overflow-y:auto;padding:1.5rem}.cart-empty{flex-grow:1;display:flex;align-items:center;justify-content:center;color:var(--text-muted)}.cart-item{display:flex;gap:1rem;margin-bottom:1.5rem;padding-bottom:1.5rem;border-bottom:1px solid var(--border-color)}.cart-item-image{width:80px;height:80px;flex-shrink:0}.cart-item-image img{width:100%;height:100%;object-fit:cover;border-radius:.25rem}.cart-item-details{flex-grow:1}.cart-item-name{font-size:1rem;margin-bottom:.25rem}.cart-item-price{font-weight:700;color:var(--text-main);margin-bottom:.5rem}.cart-item-actions{display:flex;justify-content:space-between;align-items:center}.quantity-controls{display:flex;align-items:center;gap:.5rem;background-color:var(--bg-color);border-radius:.25rem;padding:.25rem}.quantity-controls button{background:none;border:none;width:24px;height:24px;display:flex;align-items:center;justify-content:center;cursor:pointer}.quantity-controls button:hover{background-color:var(--border-color);border-radius:.125rem}.remove-btn{background:none;border:none;color:#ef4444;cursor:pointer;font-size:.875rem}.remove-btn:hover{text-decoration:underline}.cart-footer{padding:1.5rem;border-top:1px solid var(--border-color);background-color:var(--card-bg)}.cart-total{display:flex;justify-content:space-between;font-size:1.25rem;font-weight:700;margin-bottom:1.5rem}.checkout-btn{width:100%;padding:1rem;background-color:var(--primary-color);color:#fff;border:none;border-radius:.5rem;font-size:1.125rem;font-weight:700;cursor:pointer;transition:background-color .2s}.checkout-btn:hover{background-color:var(--primary-hover)}@media (max-width: 640px){.header-content{flex-direction:column;gap:1rem}.search-input{width:100%}}