body { font-family: sans-serif; background-color: #f4f6f9; margin: 0; }
.store-header { display: flex; justify-content: space-between; align-items: center; padding: 15px 30px; background-color: #343a40; color: #fff; box-shadow: 0 2px 5px rgba(0,0,0,0.2); }
.store-header h1 { margin: 0; font-size: 1.5em; }
.back-link, .cart-link { color: #fff; text-decoration: none; font-size: 1.1em; }
.cart-link { position: relative; }
.cart-count { position: absolute; top: -8px; right: -12px; background: #dc3545; color: white; border-radius: 50%; width: 20px; height: 20px; font-size: 0.8em; display: flex; align-items: center; justify-content: center; font-weight: bold; }
.products-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 25px; padding: 30px; }
.no-products { grid-column: 1 / -1; text-align: center; font-size: 1.2em; color: #6c757d; }
.product-card { background: #fff; border-radius: 8px; box-shadow: 0 4px 15px rgba(0,0,0,0.1); overflow: hidden; display: flex; flex-direction: column; }
.product-image img { width: 100%; height: 200px; object-fit: cover; display: block; }
.product-info { padding: 20px; flex-grow: 1; display: flex; flex-direction: column; }
.product-info h3 { margin-top: 0; }
.product-description { flex-grow: 1; color: #555; font-size: 0.95em; }
.product-footer { display: flex; justify-content: space-between; align-items: center; margin-top: 15px; }
.product-price { font-size: 1.3em; font-weight: bold; color: #007bff; }
.add-to-cart-btn { background-color: #28a745; color: #fff; border: none; padding: 10px 15px; border-radius: 5px; cursor: pointer; transition: background-color 0.2s; }
.add-to-cart-btn:hover { background-color: #218838; }
.add-to-cart-btn:disabled { background-color: #6c757d; cursor: not-allowed; }
.add-to-cart-btn.added { background-color: #17a2b8; }