body{min-width:320px;min-height:100vh;margin:0}#root{min-height:100vh}:root{--primary:#2563eb;--primary-hover:#1d4ed8;--text:#1f2937;--text-muted:#6b7280;--bg:#f9fafb;--card-bg:#fff;--border:#e5e7eb;--success:#10b981;--warning:#f59e0b;--error:#ef4444}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;line-height:1.6}.app{min-height:100vh}.navbar{background:var(--card-bg);border-bottom:1px solid var(--border);z-index:100;justify-content:space-between;align-items:center;padding:1rem 2rem;display:flex;position:sticky;top:0}.nav-logo{color:var(--primary);font-size:1.5rem;font-weight:700;text-decoration:none}.nav-links{align-items:center;gap:1.5rem;display:flex}.nav-links a{color:var(--text);text-decoration:none;transition:color .2s}.nav-links a:hover{color:var(--primary)}.main-content{max-width:1200px;margin:0 auto;padding:2rem}.loading,.error,.empty-cart,.no-items,.no-orders{text-align:center;color:var(--text-muted);padding:2rem}.error{color:var(--error)}.page-header{justify-content:space-between;align-items:center;margin-bottom:1.5rem;display:flex}.page-header h1{font-size:1.75rem}.cart-link{background:var(--primary);border-radius:6px;padding:.5rem 1rem;text-decoration:none;color:#fff!important}.filters{gap:1rem;margin-bottom:1.5rem;display:flex}.filters select{border:1px solid var(--border);background:var(--card-bg);border-radius:6px;padding:.5rem 1rem;font-size:1rem}.items-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem;display:grid}.item-card{background:var(--card-bg);border:1px solid var(--border);color:var(--text);border-radius:8px;text-decoration:none;transition:box-shadow .2s,transform .2s;overflow:hidden}.item-card:hover{transform:translateY(-2px);box-shadow:0 4px 12px #0000001a}.item-thumbnail{object-fit:cover;width:100%;height:160px}.item-info{padding:1rem}.item-type{text-transform:uppercase;color:var(--text-muted);margin-bottom:.5rem;font-size:.75rem;display:inline-block}.item-info h3{margin-bottom:.5rem;font-size:1.1rem}.item-description{color:var(--text-muted);-webkit-line-clamp:2;-webkit-box-orient:vertical;margin-bottom:.75rem;font-size:.875rem;display:-webkit-box;overflow:hidden}.item-price{color:var(--primary);font-size:1.25rem;font-weight:600}.item-stock{color:var(--success);margin-top:.5rem;font-size:.875rem;display:block}.back-link{color:var(--primary);margin-bottom:1.5rem;text-decoration:none;display:inline-block}.item-detail-page{max-width:900px;margin:0 auto}.item-detail{background:var(--card-bg);border:1px solid var(--border);border-radius:8px;grid-template-columns:1fr 1fr;gap:2rem;padding:2rem;display:grid}@media (width<=768px){.item-detail{grid-template-columns:1fr}}.detail-thumbnail{border-radius:8px;width:100%}.detail-info h1{margin-bottom:1rem;font-size:1.75rem}.detail-info .description{color:var(--text-muted);margin-bottom:1.5rem}.price-section{flex-direction:column;gap:.5rem;margin-bottom:1rem;display:flex}.price-section .price{color:var(--primary);font-size:2rem;font-weight:700}.delivery{color:var(--text-muted);font-size:.875rem}.stock-info{margin-bottom:1rem}.in-stock{color:var(--success)}.out-of-stock{color:var(--error)}.add-to-cart-section{align-items:center;gap:1rem;display:flex}.add-to-cart-section input{border:1px solid var(--border);text-align:center;border-radius:6px;width:60px;padding:.5rem;font-size:1rem}.login-prompt{color:var(--text-muted)}.btn-primary{background:var(--primary);color:#fff;cursor:pointer;border:none;border-radius:6px;padding:.75rem 1.5rem;font-size:1rem;transition:background .2s}.btn-primary:hover{background:var(--primary-hover)}.btn-primary:disabled{background:var(--text-muted);cursor:not-allowed}.btn-text{color:var(--primary);cursor:pointer;background:0 0;border:none;font-size:1rem;text-decoration:underline}.auth-page{justify-content:center;align-items:center;min-height:60vh;display:flex}.auth-card{background:var(--card-bg);border:1px solid var(--border);border-radius:8px;width:100%;max-width:400px;padding:2rem}.auth-card h1{text-align:center;margin-bottom:1.5rem}.form-group{margin-bottom:1rem}.form-group label{margin-bottom:.5rem;font-weight:500;display:block}.form-group input{border:1px solid var(--border);border-radius:6px;width:100%;padding:.75rem;font-size:1rem}.auth-card .btn-primary{width:100%;margin-top:1rem}.auth-switch{text-align:center;color:var(--text-muted);margin-top:1rem}.cart-page h1{margin-bottom:1.5rem}.cart-items{background:var(--card-bg);border:1px solid var(--border);border-radius:8px;overflow:hidden}.cart-item{border-bottom:1px solid var(--border);grid-template-columns:1fr auto auto auto;align-items:center;gap:1rem;padding:1rem;display:grid}.cart-item:last-child{border-bottom:none}.quantity-controls{align-items:center;gap:.5rem;display:flex}.quantity-controls button{border:1px solid var(--border);background:var(--bg);cursor:pointer;border-radius:4px;width:32px;height:32px}.quantity-controls span{text-align:center;min-width:30px}.btn-remove{color:var(--error);cursor:pointer;background:0 0;border:none}.cart-summary{text-align:right;margin-top:1.5rem}.cart-summary h2{margin-bottom:1rem}.btn-checkout{padding:1rem 2rem;font-size:1.1rem}.orders-page h1{margin-bottom:1.5rem}.orders-list{flex-direction:column;gap:1rem;display:flex}.order-card{background:var(--card-bg);border:1px solid var(--border);border-radius:8px;padding:1rem}.order-header{justify-content:space-between;align-items:center;margin-bottom:.75rem;display:flex}.order-id{font-weight:600}.order-status{border-radius:4px;padding:.25rem .75rem;font-size:.875rem;font-weight:500}.status-pending{color:#92400e;background:#fef3c7}.status-paid{color:#065f46;background:#d1fae5}.status-fulfilled{color:#1e40af;background:#dbeafe}.status-cancelled{color:#991b1b;background:#fee2e2}.order-meta{color:var(--text-muted);justify-content:space-between;margin-bottom:.75rem;font-size:.875rem;display:flex}.order-total{color:var(--text);font-weight:600}.order-items{border-top:1px solid var(--border);margin-top:1rem;padding-top:1rem}.order-item{background:var(--bg);border-radius:6px;flex-wrap:wrap;gap:1rem;margin-bottom:.5rem;padding:.75rem;display:flex}.credentials{border-top:1px solid var(--border);width:100%;margin-top:.75rem;padding-top:.75rem}.credentials h4{color:var(--success);margin-bottom:.5rem}.credential code{background:var(--card-bg);border:1px solid var(--success);word-break:break-all;border-radius:4px;padding:.5rem;font-family:monospace;display:block}