:root{--primary: #6366f1;--primary-hover: #818cf8;--bg: #0f0f0f;--bg-card: #1a1a1a;--bg-hover: #222;--border: #2a2a2a;--text: #fafafa;--text-muted: #888;--accent: #22c55e}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{min-height:100vh;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.5}.header{position:sticky;top:0;z-index:100;background:#0f0f0fe6;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}.header-content{max-width:1200px;margin:0 auto;padding:1rem 2rem;display:flex;justify-content:space-between;align-items:center}.logo{font-size:1.5rem;font-weight:700;display:flex;align-items:center;gap:.5rem}.logo-icon{font-size:1.8rem}.cart-button{position:relative;background:var(--bg-card);border:1px solid var(--border);color:var(--text);padding:.6rem 1.2rem;border-radius:.5rem;cursor:pointer;font-size:.95rem;transition:all .2s}.cart-button:hover{background:var(--bg-hover);border-color:var(--primary)}.cart-badge{position:absolute;top:-8px;right:-8px;background:var(--primary);color:#fff;font-size:.75rem;font-weight:600;width:20px;height:20px;border-radius:50%;display:flex;align-items:center;justify-content:center}.hero{text-align:center;padding:4rem 2rem 2rem;max-width:600px;margin:0 auto}.hero h2{font-size:2.5rem;font-weight:800;margin-bottom:.75rem;background:linear-gradient(135deg,var(--primary),#a78bfa);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero p{color:var(--text-muted);font-size:1.1rem}.filters{max-width:1200px;margin:0 auto;padding:0 2rem 2rem;display:flex;gap:.5rem;flex-wrap:wrap}.filter-btn{background:var(--bg-card);border:1px solid var(--border);color:var(--text-muted);padding:.5rem 1rem;border-radius:2rem;cursor:pointer;font-size:.85rem;transition:all .2s}.filter-btn:hover{border-color:var(--primary);color:var(--text)}.filter-btn.active{background:var(--primary);border-color:var(--primary);color:#fff}.product-grid{max-width:1200px;margin:0 auto;padding:0 2rem 4rem;display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:1.5rem}.product-card{background:var(--bg-card);border:1px solid var(--border);border-radius:1rem;overflow:hidden;cursor:pointer;transition:all .3s}.product-card:hover{transform:translateY(-4px);border-color:var(--primary);box-shadow:0 8px 30px #6366f126}.product-image{font-size:5rem;text-align:center;padding:2rem;background:linear-gradient(135deg,#1a1a2e,#16213e)}.product-info{padding:1.25rem}.product-brand{font-size:.75rem;text-transform:uppercase;letter-spacing:.1em;color:var(--primary);font-weight:600}.product-name{font-size:1.1rem;font-weight:600;margin:.25rem 0 .5rem}.product-price{font-size:1.25rem;font-weight:700;color:var(--accent);margin-bottom:1rem}.add-to-cart-btn{width:100%;background:var(--primary);color:#fff;border:none;padding:.65rem;border-radius:.5rem;font-size:.9rem;font-weight:600;cursor:pointer;transition:background .2s}.add-to-cart-btn:hover{background:var(--primary-hover)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000b3;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:200;display:flex;align-items:center;justify-content:center;padding:2rem}.modal{background:var(--bg-card);border:1px solid var(--border);border-radius:1rem;max-width:500px;width:100%;position:relative;overflow:hidden}.modal-close{position:absolute;top:1rem;right:1rem;background:#ffffff1a;border:none;color:var(--text);width:32px;height:32px;border-radius:50%;cursor:pointer;font-size:1rem;display:flex;align-items:center;justify-content:center;z-index:10;transition:background .2s}.modal-close:hover{background:#fff3}.modal-image{font-size:8rem;text-align:center;padding:2rem;background:linear-gradient(135deg,#1a1a2e,#16213e)}.modal-details{padding:1.5rem}.modal-details h2{font-size:1.5rem;margin:.25rem 0 .5rem}.modal-price{font-size:1.5rem;font-weight:700;color:var(--accent);margin-bottom:1rem}.modal-details h4{color:var(--text-muted);font-size:.85rem;text-transform:uppercase;letter-spacing:.1em;margin-bottom:.5rem}.specs-list{list-style:none;display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1.5rem}.specs-list li{background:#ffffff0d;border:1px solid var(--border);padding:.35rem .75rem;border-radius:.5rem;font-size:.85rem;color:var(--text-muted)}.modal-add-btn{margin-top:.5rem}.cart-sidebar{position:fixed;right:0;top:0;bottom:0;width:380px;max-width:100%;background:var(--bg-card);border-left:1px solid var(--border);display:flex;flex-direction:column;z-index:300}.cart-header{display:flex;justify-content:space-between;align-items:center;padding:1.25rem;border-bottom:1px solid var(--border)}.cart-header h2{font-size:1.25rem}.cart-header .modal-close{position:static}.empty-cart{padding:3rem;text-align:center;color:var(--text-muted)}.cart-items{flex:1;overflow-y:auto;padding:1rem}.cart-item{display:flex;flex-direction:column;gap:.75rem;padding:1rem;background:#ffffff05;border:1px solid var(--border);border-radius:.75rem;margin-bottom:.75rem}.cart-item-info{display:flex;align-items:center;gap:.75rem}.cart-item-image{font-size:2rem}.cart-item-name{font-weight:600;font-size:.9rem}.cart-item-price{color:var(--accent);font-weight:600;font-size:.85rem}.cart-item-controls{display:flex;align-items:center;gap:.5rem}.qty-btn{background:#ffffff1a;border:1px solid var(--border);color:var(--text);width:28px;height:28px;border-radius:.35rem;cursor:pointer;font-size:1rem;display:flex;align-items:center;justify-content:center;transition:all .2s}.qty-btn:hover{background:var(--primary);border-color:var(--primary)}.qty-display{width:2rem;text-align:center;font-weight:600}.remove-btn{background:none;border:none;cursor:pointer;font-size:1rem;margin-left:auto;opacity:.6;transition:opacity .2s}.remove-btn:hover{opacity:1}.cart-footer{padding:1.25rem;border-top:1px solid var(--border)}.cart-total{display:flex;justify-content:space-between;font-size:1.1rem;font-weight:700;margin-bottom:1rem}.checkout-btn{width:100%;background:var(--accent);color:#000;border:none;padding:.75rem;border-radius:.5rem;font-size:1rem;font-weight:700;cursor:pointer;transition:opacity .2s}.checkout-btn:hover{opacity:.9}.footer{text-align:center;padding:2rem;border-top:1px solid var(--border);color:var(--text-muted);font-size:.85rem}@media(max-width:640px){.hero h2{font-size:1.75rem}.product-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:1rem;padding:0 1rem 3rem}.header-content{padding:.75rem 1rem}.cart-sidebar{width:100%}}