:root{--primary: #ff4757;--primary-dark: #c0392b;--secondary: #2d3436;--accent: #00cec9;--bg-dark: #1a1a2e;--bg-card: #16213e;--bg-lighter: #0f3460;--text-primary: #ffffff;--text-secondary: #a4b0be;--success: #2ed573;--warning: #ffa502;--error: #ff4757;--border: #3d3d5c}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Sora,-apple-system,BlinkMacSystemFont,sans-serif;background:linear-gradient(135deg,var(--bg-dark) 0%,#0f0f23 100%);color:var(--text-primary);min-height:100vh;line-height:1.6}a{color:var(--accent);text-decoration:none;transition:color .2s}a:hover{color:var(--primary)}button{font-family:inherit;cursor:pointer;border:none;outline:none;transition:all .2s}input,select,textarea{font-family:inherit;border:1px solid var(--border);background:var(--bg-card);color:var(--text-primary);padding:.75rem 1rem;border-radius:8px;transition:border-color .2s}input:focus,select:focus,textarea:focus{border-color:var(--accent);outline:none}.container{max-width:1400px;margin:0 auto;padding:0 1rem}.header{background:var(--bg-card);border-bottom:1px solid var(--border);padding:1rem 0;position:sticky;top:0;z-index:100}.header-content{display:flex;align-items:center;justify-content:space-between;gap:2rem}.logo{display:flex;align-items:center;gap:.5rem;font-size:1.5rem;font-weight:700;color:var(--primary)}.logo span{font-size:2rem}.nav-links{display:flex;gap:1.5rem}.nav-link{color:var(--text-secondary);font-weight:500;padding:.5rem 1rem;border-radius:8px;transition:all .2s}.nav-link:hover{color:var(--text-primary);background:var(--bg-lighter)}.nav-link.active{color:var(--accent)}.search-box{flex:1;max-width:400px;position:relative}.search-box input{width:100%;padding-left:2.5rem}.search-box:before{content:"🔍";position:absolute;left:.75rem;top:50%;transform:translateY(-50%)}.header-actions{display:flex;align-items:center;gap:1rem}.icon-btn{background:transparent;color:var(--text-secondary);font-size:1.5rem;padding:.5rem;border-radius:8px;position:relative}.icon-btn:hover{color:var(--text-primary);background:var(--bg-lighter)}.icon-btn .badge{position:absolute;top:-4px;right:-4px;background:var(--primary);color:#fff;font-size:.75rem;font-weight:600;min-width:18px;height:18px;border-radius:50%;display:flex;align-items:center;justify-content:center}.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem;padding:2rem 0}@media (min-width: 1000px) and (max-width: 1100px){.product-grid{grid-template-columns:repeat(4,280px);gap:.5rem;overflow:hidden}}.product-card{background:var(--bg-card);border:1px solid var(--border);border-radius:16px;overflow:hidden;transition:transform .2s,box-shadow .2s}.product-card:hover{transform:translateY(-4px);box-shadow:0 12px 40px #0000004d}.product-image{width:100%;aspect-ratio:1;object-fit:cover;background:var(--bg-lighter)}.product-info{padding:1rem}.product-category{font-size:.75rem;color:var(--accent);text-transform:uppercase;letter-spacing:1px;margin-bottom:.5rem}.product-name{font-size:1rem;font-weight:600;margin-bottom:.5rem;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.product-price{font-size:1.25rem;font-weight:700;color:var(--success)}.product-actions{display:flex;gap:.5rem;margin-top:1rem}.btn{padding:.75rem 1.5rem;border-radius:8px;font-weight:600;font-size:.875rem;display:inline-flex;align-items:center;justify-content:center;gap:.5rem}.btn-primary{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);color:#fff}.btn-primary:hover{transform:scale(1.02);box-shadow:0 4px 20px #ff475766}.btn-secondary{background:var(--bg-lighter);color:var(--text-primary);border:1px solid var(--border)}.btn-secondary:hover{background:var(--border)}.btn-full{width:100%}@media (max-width: 480px){.product-actions{position:relative}.product-actions .btn-primary{margin-bottom:0;overflow:hidden}}.mobile-footer{display:none}@media (max-width: 480px){.mobile-footer{display:flex;position:fixed;bottom:0;left:0;right:0;background:var(--bg-card);border-top:1px solid var(--border);padding:1rem;z-index:1000;height:80px}.product-grid{padding-bottom:60px}}.footer{background:var(--bg-card);border-top:1px solid var(--border);padding:3rem 0 2rem;margin-top:4rem}.footer-content{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:2rem}.footer-section h4{color:var(--text-primary);font-size:1rem;margin-bottom:1rem}.footer-section ul{list-style:none}.footer-section li{margin-bottom:.5rem}.footer-section a{color:var(--text-secondary);font-size:.875rem}.footer-bottom{margin-top:2rem;padding-top:2rem;border-top:1px solid var(--border);text-align:center;color:var(--text-secondary);font-size:.875rem}.cart-container{display:grid;grid-template-columns:1fr 350px;gap:2rem;padding:2rem 0}@media (max-width: 900px){.cart-container{grid-template-columns:1fr}}.cart-items{background:var(--bg-card);border-radius:16px;padding:1.5rem}.cart-item{display:flex;gap:1rem;padding:1rem 0;border-bottom:1px solid var(--border)}.cart-item:last-child{border-bottom:none}.cart-item-image{width:100px;height:100px;border-radius:8px;object-fit:cover}.cart-item-info{flex:1}.cart-item-name{font-weight:600;margin-bottom:.25rem}.cart-item-price{color:var(--success);font-weight:600}.quantity-controls{display:flex;align-items:center;gap:.5rem;margin-top:.5rem}.quantity-btn{width:32px;height:32px;border-radius:8px;background:var(--bg-lighter);color:var(--text-primary);font-size:1.25rem;display:flex;align-items:center;justify-content:center}.quantity-value{min-width:40px;text-align:center;font-weight:600}.cart-summary{background:var(--bg-card);border-radius:16px;padding:1.5rem;height:fit-content;position:sticky;top:100px}.cart-summary h3{font-size:1.25rem;margin-bottom:1.5rem;padding-bottom:1rem;border-bottom:1px solid var(--border)}.summary-row{display:flex;justify-content:space-between;margin-bottom:.75rem;color:var(--text-secondary)}.summary-row.total{color:var(--text-primary);font-weight:700;font-size:1.25rem;margin-top:1rem;padding-top:1rem;border-top:1px solid var(--border)}.coupon-input{display:flex;gap:.5rem;margin:1rem 0}.coupon-input input{flex:1}.checkout-container{max-width:800px;margin:0 auto;padding:2rem 0}.checkout-section{background:var(--bg-card);border-radius:16px;padding:1.5rem;margin-bottom:1.5rem}.checkout-section h3{font-size:1.125rem;margin-bottom:1.5rem;display:flex;align-items:center;gap:.5rem}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem}@media (max-width: 600px){.form-grid{grid-template-columns:1fr}}.form-group{display:flex;flex-direction:column;gap:.5rem}.form-group.full{grid-column:1 / -1}.form-group label{font-size:.875rem;font-weight:500;color:var(--text-secondary)}.confirmation-container{max-width:600px;margin:4rem auto;text-align:center}.confirmation-icon{font-size:5rem;margin-bottom:1.5rem}.confirmation-title{font-size:2rem;margin-bottom:1rem}.order-details{background:var(--bg-card);border-radius:16px;padding:2rem;margin-top:2rem;text-align:left}.orders-list{padding:2rem 0}.order-card{background:var(--bg-card);border-radius:16px;padding:1.5rem;margin-bottom:1rem}.order-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem;padding-bottom:1rem;border-bottom:1px solid var(--border)}.order-id{font-family:JetBrains Mono,monospace;color:var(--accent)}.order-status{padding:.25rem .75rem;border-radius:20px;font-size:.75rem;font-weight:600;text-transform:uppercase}.order-status.completed{background:#2ed57333;color:var(--success)}.order-status.pending{background:#ffa50233;color:var(--warning)}.order-status.failed{background:#ff475733;color:var(--error)}.profile-container{max-width:600px;margin:0 auto;padding:2rem 0}.profile-card{background:var(--bg-card);border-radius:16px;padding:2rem}.profile-header{display:flex;align-items:center;gap:1.5rem;margin-bottom:2rem}.profile-avatar{width:80px;height:80px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--accent));display:flex;align-items:center;justify-content:center;font-size:2rem}.message{padding:1rem;border-radius:8px;margin-bottom:1rem}.message.error{background:#ff475733;border:1px solid var(--error);color:var(--error)}.message.success{background:#2ed57333;border:1px solid var(--success);color:var(--success)}.loading{display:flex;align-items:center;justify-content:center;padding:4rem;color:var(--text-secondary)}.loading:after{content:"";width:24px;height:24px;margin-left:.5rem;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.empty-state{text-align:center;padding:4rem 2rem;color:var(--text-secondary)}.empty-state-icon{font-size:4rem;margin-bottom:1rem;opacity:.5}.filters-bar{display:flex;gap:1rem;padding:1rem 0;flex-wrap:wrap}.filter-btn{padding:.5rem 1rem;border-radius:20px;background:var(--bg-card);color:var(--text-secondary);border:1px solid var(--border);font-size:.875rem}.filter-btn.active{background:var(--accent);color:var(--bg-dark);border-color:var(--accent)}.product-detail{display:grid;grid-template-columns:1fr 1fr;gap:3rem;padding:2rem 0}@media (max-width: 768px){.product-detail{grid-template-columns:1fr}}.product-detail-image{width:100%;border-radius:16px;aspect-ratio:1;object-fit:cover}.product-detail-info h1{font-size:2rem;margin-bottom:1rem}.product-detail-price{font-size:2.5rem;font-weight:700;color:var(--success);margin-bottom:1.5rem}.product-detail-description{color:var(--text-secondary);margin-bottom:2rem;line-height:1.8}.stock-info{display:inline-flex;align-items:center;gap:.5rem;padding:.5rem 1rem;border-radius:20px;font-size:.875rem;margin-bottom:1.5rem}.stock-info.in-stock{background:#2ed57333;color:var(--success)}.stock-info.low-stock{background:#ffa50233;color:var(--warning)}.page-title{font-size:2rem;margin:2rem 0 1rem}.bug-banner{background:linear-gradient(135deg,var(--warning) 0%,var(--primary) 100%);color:#fff;padding:.75rem;text-align:center;font-size:.875rem;font-weight:500}.bug-banner span{margin-right:.5rem}