:root {
    --accent-red: #d9534f;
    --primary-dark: #0d6efd;
}

.product-image {
    max-width: 300px;
    width: 85%;
    border-radius: 6px;
    object-fit: cover;
}

.text-accent-red {
    color: var(--accent-red);
}

/* THÊM CSS CẦN THIẾT CHO HEADER/CART */
.site-nav-link {
    text-decoration: none;
    color: #333;
    padding: 0 10px;
}

.site-nav-link:hover {
    color: var(--bs-primary);
}

.cart-icon-container {
    position: relative;
    padding: 5px;
    cursor: pointer;
}

.cart-icon-container .badge {
    position: absolute;
    top: 0px;
    right: 0px;
    font-size: 0.7em;
    padding: 3px 6px;
}

.bookstore-logo {
    font-weight: 700;
    font-size: 1.5rem;
    line-height: 1;
}

.search-container {
    border: 1px solid #ced4da;
    border-radius: 0.375rem;
}

.search-input {
    border: none;
    box-shadow: none;
}

.search-button {
    background-color: transparent;
    border: none;
    border-left: 1px solid #ced4da;
    padding: 0.375rem 0.75rem;
    color: #495057;
}
#quantity-input::-webkit-outer-spin-button,
#quantity-input::-webkit-inner-spin-button {
    /* Cho Chrome, Safari, Opera */
    -webkit-appearance: none;
    margin: 0;
}

/* Kiểu dáng cho ảnh bìa */
.product-image {
    width: 100%;
    max-width: 300px;
    height: 350px;
    object-fit: cover;
    border: 1px solid #ddd;
    padding: 10px;
}