*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background-color:#f5f5f5;color:#333;line-height:1.6}a{text-decoration:none;color:inherit}button{cursor:pointer;font-family:inherit}input,textarea,select{font-family:inherit;font-size:1rem}.container{max-width:1200px;margin:0 auto;padding:0 1rem}.header{background:#fff;box-shadow:0 2px 4px #0000001a;position:sticky;top:0;z-index:100}.header-content{display:flex;align-items:center;justify-content:space-between;padding:1rem;max-width:1200px;margin:0 auto}.logo{font-size:1.5rem;font-weight:700;color:#2563eb}.nav{display:flex;align-items:center;gap:1.5rem}.nav-link{font-weight:500;color:#666;transition:color .2s}.nav-link:hover{color:#2563eb}.cart-btn{position:relative;background:none;border:none;font-size:1.5rem;color:#666}.cart-badge{position:absolute;top:-8px;right:-8px;background:#ef4444;color:#fff;font-size:.75rem;width:20px;height:20px;border-radius:50%;display:flex;align-items:center;justify-content:center}.hero{background:linear-gradient(135deg,#2563eb,#1d4ed8);color:#fff;padding:4rem 1rem;text-align:center}.hero h1{font-size:2.5rem;margin-bottom:1rem}.hero p{font-size:1.25rem;opacity:.9}.search-section{padding:2rem 1rem;background:#fff;border-bottom:1px solid #e5e5e5}.search-container{max-width:600px;margin:0 auto;display:flex;gap:.5rem}.search-input{flex:1;padding:.75rem 1rem;border:2px solid #e5e5e5;border-radius:8px;font-size:1rem;transition:border-color .2s}.search-input:focus{outline:none;border-color:#2563eb}.search-btn{padding:.75rem 1.5rem;background:#2563eb;color:#fff;border:none;border-radius:8px;font-weight:600;transition:background .2s}.search-btn:hover{background:#1d4ed8}.products-section{padding:2rem 1rem;max-width:1200px;margin:0 auto}.section-title{font-size:1.5rem;margin-bottom:1.5rem;color:#333}.products-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem}.product-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 2px 8px #00000014;transition:transform .2s,box-shadow .2s}.product-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px #0000001f}.product-image{width:100%;height:200px;object-fit:cover;background:#f5f5f5}.product-info{padding:1rem}.product-name{font-size:1.125rem;font-weight:600;margin-bottom:.5rem;color:#333}.product-description{font-size:.875rem;color:#666;margin-bottom:.75rem;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.product-price{font-size:1.25rem;font-weight:700;color:#2563eb;margin-bottom:1rem}.add-to-cart-btn{width:100%;padding:.75rem;background:#2563eb;color:#fff;border:none;border-radius:8px;font-weight:600;transition:background .2s}.add-to-cart-btn:hover{background:#1d4ed8}.add-to-cart-btn:disabled{background:#ccc;cursor:not-allowed}.cart-page{padding:2rem 1rem;max-width:800px;margin:0 auto}.cart-item{display:flex;align-items:center;gap:1rem;padding:1rem;background:#fff;border-radius:8px;margin-bottom:1rem;box-shadow:0 2px 4px #0000000d}.cart-item-image{width:80px;height:80px;object-fit:cover;border-radius:4px;background:#f5f5f5}.cart-item-details{flex:1}.cart-item-name{font-weight:600;margin-bottom:.25rem}.cart-item-price{color:#2563eb;font-weight:600}.cart-item-quantity{display:flex;align-items:center;gap:.5rem}.qty-btn{width:32px;height:32px;border:1px solid #e5e5e5;background:#fff;border-radius:4px;font-size:1.25rem;display:flex;align-items:center;justify-content:center}.qty-btn:hover{background:#f5f5f5}.cart-item-total{font-weight:600;min-width:80px;text-align:right}.remove-btn{background:none;border:none;color:#ef4444;font-size:1.25rem;padding:.5rem}.cart-summary{background:#fff;padding:1.5rem;border-radius:8px;margin-top:1rem;box-shadow:0 2px 4px #0000000d}.cart-total{display:flex;justify-content:space-between;font-size:1.25rem;font-weight:700;margin-bottom:1rem}.checkout-btn{width:100%;padding:1rem;background:#2563eb;color:#fff;border:none;border-radius:8px;font-size:1.125rem;font-weight:600;transition:background .2s}.checkout-btn:hover{background:#1d4ed8}.empty-cart{text-align:center;padding:4rem 1rem;color:#666}.empty-cart h2{margin-bottom:1rem}.checkout-page{padding:2rem 1rem;max-width:600px;margin:0 auto}.checkout-form{background:#fff;padding:2rem;border-radius:8px;box-shadow:0 2px 8px #00000014}.form-group{margin-bottom:1.5rem}.form-label{display:block;margin-bottom:.5rem;font-weight:500;color:#333}.form-input{width:100%;padding:.75rem 1rem;border:2px solid #e5e5e5;border-radius:8px;font-size:1rem;transition:border-color .2s}.form-input:focus{outline:none;border-color:#2563eb}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.place-order-btn{width:100%;padding:1rem;background:#2563eb;color:#fff;border:none;border-radius:8px;font-size:1.125rem;font-weight:600;transition:background .2s}.place-order-btn:hover{background:#1d4ed8}.orders-page{padding:2rem 1rem;max-width:800px;margin:0 auto}.order-card{background:#fff;padding:1.5rem;border-radius:8px;margin-bottom:1rem;box-shadow:0 2px 4px #0000000d}.order-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem;padding-bottom:1rem;border-bottom:1px solid #e5e5e5}.order-id{font-weight:600;color:#666}.order-status{padding:.25rem .75rem;border-radius:20px;font-size:.875rem;font-weight:500}.order-status.pending{background:#fef3c7;color:#92400e}.order-status.processing{background:#dbeafe;color:#1d4ed8}.order-status.completed{background:#d1fae5;color:#065f46}.order-total{font-size:1.25rem;font-weight:700;color:#2563eb}.auth-page{padding:2rem 1rem;max-width:400px;margin:2rem auto}.auth-form{background:#fff;padding:2rem;border-radius:8px;box-shadow:0 2px 8px #00000014}.auth-title{font-size:1.5rem;margin-bottom:1.5rem;text-align:center}.auth-btn{width:100%;padding:.75rem;background:#2563eb;color:#fff;border:none;border-radius:8px;font-weight:600;font-size:1rem;transition:background .2s;margin-top:1rem}.auth-btn:hover{background:#1d4ed8}.auth-link{text-align:center;margin-top:1rem;color:#666}.auth-link a{color:#2563eb;font-weight:500}.loading{display:flex;justify-content:center;align-items:center;padding:4rem}.spinner{width:40px;height:40px;border:4px solid #e5e5e5;border-top-color:#2563eb;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.toast{position:fixed;bottom:2rem;right:2rem;background:#333;color:#fff;padding:1rem 1.5rem;border-radius:8px;z-index:1000;animation:slideIn .3s ease}@keyframes slideIn{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}.categories-section{padding:2rem 1rem;max-width:1200px;margin:0 auto}.categories-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:1rem}.category-card{background:#fff;padding:1.5rem;border-radius:8px;text-align:center;box-shadow:0 2px 4px #0000000d;transition:transform .2s,box-shadow .2s;cursor:pointer}.category-card:hover{transform:translateY(-2px);box-shadow:0 4px 12px #0000001a}.category-name{font-weight:600;color:#333}@media (max-width: 768px){.hero h1{font-size:2rem}.products-grid{grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}.form-row{grid-template-columns:1fr}.header-content{padding:.75rem 1rem}}