*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--bg-primary:#0a0e17;--bg-secondary:#111827;--bg-card:#111827cc;--bg-card-hover:#1e293be6;--bg-glass:#ffffff0a;--bg-input:#ffffff0f;--text-primary:#f1f5f9;--text-secondary:#94a3b8;--text-muted:#64748b;--accent:#f59e0b;--accent-hover:#fbbf24;--accent-glow:#f59e0b40;--heart:#ef4444;--heart-glow:#ef44444d;--success:#10b981;--danger:#ef4444;--border:#ffffff14;--border-hover:#ffffff26;--radius:12px;--radius-sm:8px;--radius-full:9999px;--shadow:0 4px 24px #0000004d;--shadow-lg:0 8px 40px #0006;--nav-height:64px;--font:"Inter", -apple-system, sans-serif;--transition:.2s cubic-bezier(.4,0,.2,1)}html{font-size:16px}body{font-family:var(--font);background:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;min-height:100vh;overflow-x:hidden}body:before{content:"";pointer-events:none;z-index:0;background:radial-gradient(at 20% 0,#f59e0b14 0%,#0000 50%),radial-gradient(at 80% 100%,#3b82f60f 0%,#0000 50%);position:fixed;inset:0}#app{z-index:1;position:relative}.nav{height:var(--nav-height);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-bottom:1px solid var(--border);z-index:100;transition:transform var(--transition);background:#0a0e17d9;position:fixed;top:0;left:0;right:0}.nav.hidden{display:none}.nav-inner{align-items:center;gap:32px;max-width:1400px;height:100%;margin:0 auto;padding:0 24px;display:flex}.nav-logo{color:var(--text-primary);align-items:center;gap:10px;font-size:1.25rem;font-weight:700;text-decoration:none;display:flex}.logo-icon{font-size:1.5rem}.logo-text{background:linear-gradient(135deg, var(--accent), #fb923c);-webkit-text-fill-color:transparent;-webkit-background-clip:text}.nav-links{flex:1;justify-content:center;gap:4px;display:flex}.nav-link{border-radius:var(--radius-sm);color:var(--text-secondary);transition:all var(--transition);align-items:center;gap:8px;padding:8px 16px;font-size:.9rem;font-weight:500;text-decoration:none;display:flex;position:relative}.nav-link:hover,.nav-link.active{color:var(--text-primary);background:var(--bg-glass)}.nav-link.active:after{content:"";background:var(--accent);border-radius:1px;width:24px;height:2px;position:absolute;bottom:-1px;left:50%;transform:translate(-50%)}.cart-badge{background:var(--accent);color:#000;border-radius:var(--radius-full);text-align:center;min-width:18px;padding:1px 6px;font-size:.7rem;font-weight:700}.cart-badge.hidden{display:none}.nav-logout{cursor:pointer;color:var(--text-muted);border-radius:var(--radius-sm);transition:all var(--transition);background:0 0;border:none;padding:8px}.nav-logout:hover{color:var(--danger);background:#ef44441a}.page{min-height:100vh}.page.hidden{display:none}.page-content{max-width:1400px;padding:calc(var(--nav-height) + 24px) 24px 48px;margin:0 auto}.auth-container{justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex}.auth-card{background:var(--bg-card);border:1px solid var(--border);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);width:100%;max-width:420px;box-shadow:var(--shadow-lg);border-radius:20px;padding:48px 36px;animation:.5s fadeUp}.auth-header{text-align:center;margin-bottom:32px}.auth-logo{margin-bottom:12px;font-size:3rem;display:block}.auth-header h1{background:linear-gradient(135deg, var(--accent), #fb923c);-webkit-text-fill-color:transparent;-webkit-background-clip:text;font-size:2rem;font-weight:800}.auth-subtitle{color:var(--text-muted);margin-top:8px;font-size:.9rem}.auth-tabs{background:var(--bg-glass);border-radius:var(--radius-sm);gap:4px;margin-bottom:28px;padding:4px;display:flex}.auth-tab{color:var(--text-muted);cursor:pointer;transition:all var(--transition);font-size:.9rem;font-weight:600;font-family:var(--font);background:0 0;border:none;border-radius:6px;flex:1;padding:10px}.auth-tab.active{background:var(--accent);color:#000}.form-group{margin-bottom:20px}.form-group label{color:var(--text-secondary);margin-bottom:6px;font-size:.85rem;font-weight:500;display:block}.form-group input{background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);width:100%;color:var(--text-primary);font-size:.95rem;font-family:var(--font);transition:all var(--transition);outline:none;padding:12px 16px}.form-group input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}.form-group input::placeholder{color:var(--text-muted)}.auth-error{color:var(--danger);border-radius:var(--radius-sm);background:#ef44441a;margin-bottom:16px;padding:10px;font-size:.85rem}.auth-error.hidden{display:none}.auth-footer{text-align:center;color:var(--text-muted);margin-top:24px;font-size:.8rem}.btn{border-radius:var(--radius-sm);font-family:var(--font);cursor:pointer;transition:all var(--transition);border:none;justify-content:center;align-items:center;gap:8px;padding:12px 24px;font-size:.9rem;font-weight:600;text-decoration:none;display:inline-flex}.btn-primary{background:var(--accent);color:#000}.btn-primary:hover{background:var(--accent-hover);box-shadow:0 4px 16px var(--accent-glow);transform:translateY(-1px)}.btn-secondary{background:var(--bg-glass);color:var(--text-primary);border:1px solid var(--border)}.btn-secondary:hover{border-color:var(--border-hover);background:var(--bg-card-hover)}.btn-ghost{color:var(--text-muted);background:0 0}.btn-ghost:hover{color:var(--danger)}.btn-full{width:100%}.btn-sm{padding:8px 14px;font-size:.8rem}.btn-loader{border:2px solid #0003;border-top-color:#000;border-radius:50%;width:18px;height:18px;animation:.6s linear infinite spin}.btn-loader.hidden{display:none}.products-header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin-bottom:24px;display:flex}.products-header h1{align-items:center;gap:12px;font-size:1.8rem;font-weight:800;display:flex}.search-bar{background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-full);min-width:300px;transition:all var(--transition);align-items:center;gap:10px;padding:10px 20px;display:flex}.search-bar:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}.search-bar svg{color:var(--text-muted);flex-shrink:0}.search-bar input{color:var(--text-primary);font-family:var(--font);background:0 0;border:none;outline:none;flex:1;font-size:.9rem}.search-bar input::placeholder{color:var(--text-muted)}.categories-bar{scrollbar-width:none;gap:8px;margin-bottom:24px;padding-bottom:8px;display:flex;overflow-x:auto}.categories-bar::-webkit-scrollbar{display:none}.category-pill{border:1px solid var(--border);background:var(--bg-glass);color:var(--text-secondary);border-radius:var(--radius-full);cursor:pointer;white-space:nowrap;transition:all var(--transition);font-size:.8rem;font-weight:500;font-family:var(--font);padding:8px 18px}.category-pill:hover{border-color:var(--border-hover);color:var(--text-primary)}.category-pill.active{background:var(--accent);color:#000;border-color:var(--accent)}.products-grid{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px;display:grid}.product-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);transition:all .3s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}.product-card:hover{border-color:var(--border-hover);box-shadow:var(--shadow-lg);transform:translateY(-4px)}.product-card-img{object-fit:contain;background:#fff;width:100%;height:220px;padding:12px}.product-card-body{padding:16px}.product-card-category{color:var(--accent);text-transform:uppercase;letter-spacing:.5px;margin-bottom:6px;font-size:.7rem;font-weight:600}.product-card-name{-webkit-line-clamp:2;-webkit-box-orient:vertical;margin-bottom:4px;font-size:.95rem;font-weight:600;line-height:1.3;display:-webkit-box;overflow:hidden}.product-card-brand{color:var(--text-muted);margin-bottom:10px;font-size:.8rem}.product-card-footer{border-top:1px solid var(--border);justify-content:space-between;align-items:center;padding-top:12px;display:flex}.product-card-price{color:var(--accent);font-size:1.1rem;font-weight:700}.product-card-unit{color:var(--text-muted);font-size:.7rem;display:block}.product-card-actions{gap:6px;display:flex}.card-btn{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-glass);cursor:pointer;width:36px;height:36px;transition:all var(--transition);color:var(--text-muted);justify-content:center;align-items:center;display:flex}.card-btn:hover{border-color:var(--border-hover)}.card-btn.fav-btn:hover,.card-btn.fav-btn.active{color:var(--heart);border-color:var(--heart);background:var(--heart-glow)}.card-btn.fav-btn.active svg{fill:var(--heart)}.card-btn.cart-btn:hover{color:var(--success);border-color:var(--success);background:#10b9811a}.stock-out{color:#fff;border-radius:var(--radius-sm);background:#ef4444e6;padding:4px 10px;font-size:.7rem;font-weight:600;position:absolute;top:12px;left:12px}.empty-state{text-align:center;padding:80px 24px}.empty-state.hidden{display:none}.empty-icon{margin-bottom:16px;font-size:4rem;display:block}.empty-state h2{margin-bottom:8px;font-size:1.4rem}.empty-state p{color:var(--text-muted);margin-bottom:24px}.cart-items{flex-direction:column;gap:12px;display:flex}.cart-item{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);transition:all var(--transition);align-items:center;gap:16px;padding:16px;display:flex}.cart-item:hover{border-color:var(--border-hover)}.cart-item-img{object-fit:contain;border-radius:var(--radius-sm);background:#fff;flex-shrink:0;width:72px;height:72px;padding:4px}.cart-item-info{flex:1;min-width:0}.cart-item-name{margin-bottom:4px;font-size:.95rem;font-weight:600}.cart-item-brand{color:var(--text-muted);font-size:.8rem}.cart-item-qty{align-items:center;gap:12px;display:flex}.qty-btn{border:1px solid var(--border);background:var(--bg-glass);width:32px;height:32px;color:var(--text-primary);cursor:pointer;transition:all var(--transition);font-size:1.1rem;font-family:var(--font);border-radius:50%;justify-content:center;align-items:center;display:flex}.qty-btn:hover{border-color:var(--accent);color:var(--accent)}.qty-value{text-align:center;min-width:24px;font-weight:700}.cart-item-price{color:var(--accent);text-align:right;min-width:80px;font-size:1.05rem;font-weight:700}.cart-item-remove{cursor:pointer;color:var(--text-muted);transition:all var(--transition);background:0 0;border:none;padding:8px}.cart-item-remove:hover{color:var(--danger)}.cart-summary{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);margin-top:24px;padding:24px}.cart-summary.hidden{display:none}.cart-total{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;margin-bottom:20px;padding-bottom:16px;display:flex}.total-price{color:var(--accent);font-size:1.6rem;font-weight:800}.cart-summary .btn+.btn{margin-top:10px}.loader{text-align:center;padding:48px}.loader.hidden{display:none}.loader p{color:var(--text-muted);margin-top:16px;font-size:.9rem}.spinner{border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;width:36px;height:36px;margin:0 auto;animation:.8s linear infinite spin}.load-more{margin:32px auto 0;display:block}.load-more.hidden{display:none}.toast-container{z-index:200;flex-direction:column;gap:8px;display:flex;position:fixed;bottom:24px;right:24px}.toast{border-radius:var(--radius-sm);background:var(--bg-secondary);border:1px solid var(--border);color:var(--text-primary);box-shadow:var(--shadow-lg);align-items:center;gap:10px;padding:14px 20px;font-size:.85rem;font-weight:500;animation:.3s slideIn;display:flex}.toast.success{border-color:var(--success)}.toast.error{border-color:var(--danger)}@keyframes fadeUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes slideIn{0%{opacity:0;transform:translate(40px)}to{opacity:1;transform:translate(0)}}@keyframes heartPop{0%{transform:scale(1)}50%{transform:scale(1.3)}to{transform:scale(1)}}.heart-pop{animation:.3s heartPop}@media (width<=768px){.nav-inner{gap:16px;padding:0 16px}.nav-link span{display:none}.search-bar{min-width:unset;flex:1}.products-header{flex-direction:column;align-items:stretch}.products-header h1{font-size:1.4rem}.page-content{padding:calc(var(--nav-height) + 16px) 16px 32px}.products-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px}.product-card-img{height:160px}.auth-card{padding:32px 24px}.cart-item{flex-wrap:wrap}.cart-item-price{min-width:unset}}