:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}.app{min-height:100vh;display:flex;flex-direction:column}.app-header{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:2rem;text-align:center;box-shadow:0 4px 6px #0000001a}.app-header h1{margin:0;font-size:2.5rem;font-weight:700}.subtitle{margin:.5rem 0 0;font-size:1.1rem;opacity:.9}.container{max-width:100%;margin:0;padding:2rem 3rem;display:grid;grid-template-columns:1fr 400px;gap:3rem;flex:1;background:linear-gradient(180deg,#f8f9fa,#e9ecef)}.products-section{width:100%}.products-section h2{color:#333;margin-bottom:2rem;font-size:2.2rem}.products-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:2rem}.product-card{background:#fff;border-radius:12px;padding:1.5rem;box-shadow:0 2px 8px #0000001a;transition:all .3s ease;border:2px solid transparent}.product-card:hover{transform:translateY(-5px);box-shadow:0 8px 16px #00000026;border-color:#667eea}.product-image{font-size:4rem;margin-bottom:1rem}.product-card h3{color:#333;margin:.5rem 0;font-size:1.3rem}.product-price{color:#667eea;font-size:1.5rem;font-weight:700;margin:.5rem 0 1rem}.add-to-cart-btn{width:100%;padding:.75rem;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease}.add-to-cart-btn:hover{transform:scale(1.05);box-shadow:0 4px 12px #667eea66}.add-to-cart-btn:active{transform:scale(.98)}.cart-sidebar{position:sticky;top:2rem;height:fit-content}.cart-container{background:#fff;border-radius:12px;padding:1.5rem;box-shadow:0 4px 12px #0000001a;border:2px solid #667eea}.cart-container h2{color:#333;margin:0 0 1rem;font-size:1.8rem;display:flex;align-items:center;gap:.5rem}.cart-count{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:1rem;border-radius:8px;font-size:1.2rem;font-weight:600;margin-bottom:1rem;text-align:center}.cart-items-list{max-height:300px;overflow-y:auto;margin-bottom:1rem}.cart-item{background:#f8f9fa;padding:.75rem;border-radius:6px;margin-bottom:.5rem;display:flex;justify-content:space-between;align-items:center}.cart-item-name{font-weight:500;color:#333}.cart-item-price{color:#667eea;font-weight:600}.cart-total{background:#f0f4ff;padding:1rem;border-radius:8px;margin:1rem 0;display:flex;justify-content:space-between;align-items:center;font-size:1.2rem;font-weight:700}.clear-cart-btn{width:100%;padding:.75rem;background:#dc3545;color:#fff;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease}.clear-cart-btn:hover{background:#c82333;transform:scale(1.02)}.clear-cart-btn:disabled{background:#ccc;cursor:not-allowed;transform:none}.empty-cart{text-align:center;padding:2rem;color:#666}.app-footer{background:#2c3e50;color:#fff;text-align:center;padding:1.5rem;margin-top:2rem}.app-footer p{margin:0;font-size:.9rem}@media(max-width:968px){.container{grid-template-columns:1fr}.cart-sidebar{position:static}.products-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr))}}