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24px;border-radius:var(--radius-sm);box-shadow:var(--shadow-xl);transform:translateY(100px);opacity:0;transition:var(--transition);z-index:1000;font-size:14px;font-weight:500;animation:slideUp .3s ease forwards}.toast.success{background:var(--success-color)}.toast.error{background:var(--danger-color)}@keyframes slideUp{to{transform:translateY(0);opacity:1}}@media(max-width:480px){.toast{left:20px;right:20px}}.product-card{background:var(--surface);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-md);transition:var(--transition);display:flex;flex-direction:column}.product-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-xl)}.product-image{width:100%;height:240px;object-fit:contain;padding:20px;background:var(--surface);border-bottom:1px solid var(--border)}.product-info{padding:20px;flex:1;display:flex;flex-direction:column}.product-category{font-size:12px;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px}.product-title{font-size:16px;font-weight:600;color:var(--text-primary);margin-bottom:12px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;flex:1}.product-footer{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:12px}.product-price{font-size:24px;font-weight:700;color:var(--primary-color)}.add-to-cart-btn{background:var(--primary-color);color:#fff}.add-to-cart-btn:hover{background:var(--primary-hover);transform:scale(1.02)}.add-to-cart-btn:active{background:var(--primary-active);transform:scale(.98)}.add-to-cart-btn:disabled{background:var(--secondary-color);cursor:not-allowed;transform:none}.btn-primary{padding:10px 20px;border:none;border-radius:var(--radius-sm);font-size:14px;font-weight:600;cursor:pointer;transition:var(--transition);white-space:nowrap}@media(max-width:768px){.product-image{height:180px}}@media(max-width:480px){.product-footer{flex-direction:column;align-items:stretch}.add-to-cart-btn{width:100%}}.cart-item{display:flex;gap:16px;padding:16px;background:var(--background);border-radius:var(--radius-sm);transition:var(--transition)}.cart-item:hover{box-shadow:var(--shadow-sm)}.cart-item-image{width:80px;height:80px;object-fit:contain;border-radius:var(--radius-sm);background:var(--surface);padding:8px}.cart-item-details{flex:1;display:flex;flex-direction:column;gap:8px}.cart-item-title{font-size:14px;font-weight:600;color:var(--text-primary);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.cart-item-price{font-size:18px;font-weight:700;color:var(--primary-color)}.cart-item-actions{display:flex;align-items:center;gap:12px}.quantity-controls{display:flex;align-items:center;gap:8px;background:var(--surface);border-radius:var(--radius-sm);padding:4px}.quantity-btn{width:28px;height:28px;border:none;background:var(--primary-color);color:#fff;border-radius:4px;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;transition:var(--transition)}.quantity-btn:hover{background:var(--primary-hover)}.quantity-btn:active{transform:scale(.9)}.quantity-value{min-width:32px;text-align:center;font-weight:600;font-size:14px}.btn-danger{background:var(--danger-color);color:#fff;padding:6px 12px;font-size:12px;border:none;border-radius:var(--radius-sm);cursor:pointer;transition:var(--transition)}.btn-danger:hover{background:var(--danger-hover)}.btn-danger:active{transform:scale(.95)}@media(max-width:768px){.cart-item{flex-direction:column}.cart-item-image{width:100%;height:150px}}.products-section{min-height:500px}.loader{text-align:center;padding:60px 20px;color:var(--text-secondary);font-size:16px}.products-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}.section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.section-header h2{font-size:24px;font-weight:700;color:var(--text-primary)}.filter-controls{display:flex;gap:12px}.filter-select{padding:8px 16px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);color:var(--text-primary);font-size:14px;cursor:pointer;transition:var(--transition)}.filter-select:hover{border-color:var(--primary-color)}.filter-select:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #2563eb1a}.cart-section{background:var(--surface);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-md);position:sticky;top:100px;max-height:calc(100vh - 120px);overflow:hidden;display:flex;flex-direction:column}.cart-content{flex:1;overflow-y:auto;margin-bottom:20px;min-height:200px}.empty-cart{text-align:center;padding:60px 20px;color:var(--text-secondary)}.empty-cart-icon{font-size:64px;margin-bottom:16px;opacity:.3}.empty-cart p{font-size:18px;font-weight:600;margin-bottom:8px}.empty-cart small{font-size:14px;color:var(--text-secondary)}.cart-items{display:flex;flex-direction:column;gap:16px}.cart-total{border-top:2px solid var(--border);padding-top:20px}.cart-summary-details{margin-bottom:20px}.summary-row{display:flex;justify-content:space-between;align-items:center;padding:8px 0;font-size:14px;color:var(--text-secondary)}.summary-row.total{font-size:20px;font-weight:700;color:var(--text-primary);padding-top:12px;border-top:1px solid var(--border);margin-top:8px}.summary-row.total span:last-child{color:var(--primary-color)}.btn{padding:10px 20px;border:none;border-radius:var(--radius-sm);font-size:14px;font-weight:600;cursor:pointer;transition:var(--transition);white-space:nowrap}.btn-checkout{width:100%;padding:16px;font-size:16px;background:var(--success-color);color:#fff}.btn-checkout:hover{background:#059669}@media(max-width:1024px){.cart-section{position:static;max-height:none}.products-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}}@media(max-width:768px){.section-header{flex-direction:column;align-items:flex-start;gap:12px}.products-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px}}@media(max-width:480px){.products-grid{grid-template-columns:1fr}.cart-content::-webkit-scrollbar{width:6px}}*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #2563eb;--primary-hover: #1d4ed8;--primary-active: #1e40af;--secondary-color: #64748b;--success-color: #10b981;--danger-color: #ef4444;--danger-hover: #dc2626;--background: #f8fafc;--surface: #ffffff;--border: #e2e8f0;--text-primary: #0f172a;--text-secondary: #475569;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1);--shadow-xl: 0 20px 25px -5px rgb(0 0 0 / .1);--radius: 12px;--radius-sm: 8px;--transition: all .3s cubic-bezier(.4, 0, .2, 1)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--background);color:var(--text-primary);line-height:1.6;min-height:100vh}.app{min-height:100vh;display:flex;flex-direction:column}.container{max-width:1400px;margin:0 auto;padding:0 20px;width:100%}.main-content{flex:1;padding:32px 0}.marketplace-grid{display:grid;grid-template-columns:1fr 400px;gap:24px;align-items:start}@media(max-width:1024px){.marketplace-grid{grid-template-columns:1fr}}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--background);border-radius:4px}::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--secondary-color)}