.app {
    overflow: hidden;
}
.header {
    height: var(--header-height);
    background-image: linear-gradient(0, #ee4d2d, #ff7337);
}

.header__navbar {
    display: flex;
    justify-content: space-between;
}    
.header__navbar-list {
    list-style: none;
    padding-left: 0;
    margin-top: 4px 0 0 0;
    display: flex;
}
   
.header__navbar-item {
    margin: 0 8px;
    position: relative;
    min-height: 26px;
}

.header__navbar-user {
    display: flex;
    justify-items: center;
}

.header__navbar-user:hover .header__navbar-user-menu {
    display: block;
}

.header__navbar-user-img {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    border: 1px solid rgba(0, 0, 0, 0.2);
}

.header__navbar-user-name {
    margin-left: 6px;
    font-size: 1.4rem;
    font-weight: 500;
}

.header__navbar-user-menu {
    position: absolute;
    z-index: 1;
    padding-left: 0;
    top: calc(100% + 2px);
    right: 0;
    width: 180px;
    border-radius: 2px;
    background-color: var(--white-color);
    list-style: none;
    box-shadow: 0 1px 3px #666;
    display: none;
}

.header__navbar-user-menu::before {
    content: "";
    position: absolute;
    border-width: 20px 24px;
    border-style: solid;
    border-color: transparent transparent var(--white-color) transparent;
    right: 12px;
    top: -28px;
}

.header__navbar-user-menu::after {
    content: "";
    display: block;
    position: absolute;
    top: -8px;
    right: 0;
    width: 60%;
    height: 8px;
}

.header__navbar-user-item--separate {
    border-top: 1px solid rgba(0, 0, 0, 0.3);
}

.header__navbar-user-item a {
    text-decoration: none;
    color: var(--text-color);
    font-size: 1.4rem;
    padding: 4px 16px;
    display: block;
}

.header__navbar-user-item a:first-child {
    border-top-left-radius: 2px;
    border-top-right-radius: 2px;
}

.header__navbar-user-item a:last-child {
    border-bottom-left-radius: 2px;
    border-bottom-right-radius: 2px;
}

.header__navbar-user-item a:hover {
    background-color: #fafafa;
}


.header__navbar-item--has-qr:hover .header__qr {
    display: block;
}

.header__navbar-item--has-notify:hover .header__notify {
    display: block;
}

.header__navbar-item, 
.header__navbar-item-link {
    display: inline-block;
    font-size: 1.3rem;
    color: var(--white-color);
    text-decoration: none;
    font-weight: 300; 
}

.header__navbar-item, 
.header__navbar-item-link
.header__navbar-icon-link {
    display: flex;
    align-items: center;
}

.header__navbar-item:hover, 
.header__navbar-icon-link:hover,
.header__navbar-item-link:hover {
    color: rgba(255, 255, 255, 0.7);
    cursor: pointer;
}
.header__navbar-item--strong {
    font-weight: 400;
}

.header__navbar-item--separeta::after {
    content: "";
    display: block;
    position: absolute;
    border-left: 1px solid rgb(22, 21, 19); 
    height: 16px;
    right: -9px;
    top: 50%;
    transform: translateY(-50%);

}

.header__navbar-icon-link {
    color : var(--white-color);
    text-decoration: none;
}

.header__navbar-icon-link:nth-child(2) {
    margin-left: 3px;
}

.header__navbar-icon {
    font-size: 1.5rem;
    margin: 0 4px;
}

.header__navbar-title--no-pointer {
    color: var(--white-color);
    cursor: text;
}
/* header QR code */

.header__qr {
    width: 186px;
    background-color: var(--white-color);
    position: absolute;
    top: 110%;
    left: 0;
    padding: 6px;
    border-radius: 2px;
    display: none;
    animation: faceIn ease-in 0.3s;
    z-index: 1;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.header__qr::before {
    content: "";
    width: 100%;
    height: 16px;
    position: absolute;
    left: 0;
    top: -16px;
    display: block;
}

.header__qr-img {
    max-width: 100%;
}

.header__qr-apps {
    display: flex;
    justify-content: space-between;
}

.header__qr-download-img {
    height: 16px;
}
/* có thể dùng thay cho first-child và last-child (2)
 .header__qr-download-img:nth-child(1) */
.header__qr-download-img:first-child {
    margin-left: 11px;
}

.header__qr-download-img:last-child {
    margin-right: 11px;
}
/* header notification */
.header__notify {
    position: absolute;
    z-index: 1;
    top: 110%;
    right: 0;
    width: 404px;
    border: 1px solid rgba(0, 0, 0, 0.2);
    border-radius: 2px;
    background-color: var(--white-color);
    cursor: default;
    transform-origin: calc(100% - 20px) top;
    animation: headerNotify ease-in 0.25s;
    will-change: opacity, transform;
    display: none;
}

.header__notify::before {
    content: "";
    position: absolute;
    border-width: 20px 26px;
    border-style: solid;
    border-color: transparent transparent var(--white-color) transparent;
    right: 12px;
    top: -28px;
}

.header__notify::after {
    content: "";
    position: absolute;
    display: block;
    top: -16px;
    right: 0;
    width: 90px;
    height: 20px;
    
}

@keyframes headerNotify {
    from {
        opacity: 0;
        transform: scale(0);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.header__notify-header {
    height: 40px;
    background-color: var(--white-color);
}

.header__notify-header h3 {
    color: #999;
    font-weight: 400;
    margin: 0 0 0 12px;
    font-size: 1.4rem;
    line-height: 40px;
}

.header__notify-list {
    padding-left: 0;
}

/* .header__notify-item {
    
} */

.header__notify-item:hover {
    background-color: #f7f7f7;
}
.header__notify-item--viewed {
    background-color: rgba(238, 77, 45,0.1);
}

.header__notify-link {
    display: flex;
    padding: 12px;
    width: 100%;
    text-decoration: none;
    
}

.header__notify-img {
    width: 48px;
    object-fit: contain;
}

.header__notify-info {
    margin-left: 12px;
}

.header__notify-name {
    display: block;
    font-size: 1.4rem;
    color: var(--text-color);
    font-weight: 400;
    line-height: 1.6rem;
}

.header__notify-description {
    display: block;
    font-size: 1rem;
    line-height: 1.6rem;
    color: #999;
    margin-top: 4px;
}

.header__notify-footer {
    display: flex;
}

.header__notify-footer-btn {
    text-decoration: none;
    padding: 8px 16px;
    color: var(--text-color);
    margin: auto;
    font-size: 1.4rem;
    font-weight: 400;
}
/* Authen Modal */
.auth-form {
    width: 500px;
    background-color: var(--white-color);
    border-radius: 5px;   
    overflow: hidden; 
}

.auth-form__container {
    padding: 0 32px;
}

.auth-form__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 0 12px;
}

.auth-form__heading {
    font-size: 2.2rem;
    font-weight: 400;
    color: var(--text-color);
}

.auth-form__switch-btn {
    font-size: 1.6rem;
    font-weight: 400;
    color: var(--primary-color );
    cursor: pointer;
}


.auth-form__input {
    width: 100%;
    height: 40px;
    margin-top: 16px;
    padding: 0 12px;
    font-size: 1.4rem;
    border-radius: 2px;
    border: 1px solid var(--border-color);
    outline: none;
}

.auth-form__input:focus {
    border-color: #888;
}

.auth-form__aside {
    margin-top: 18px;

}

.auth-form__policy-text {
    font-size: 1.2rem;
    line-height: 1.8rem;
    text-align: center;
    padding: 0 12px;
}

.auth-form__text-link {
    text-decoration: none;
    color: var(--primary-color);
}

.auth-form__controls {
    margin-top: 80px;
    display: flex;
    justify-content: flex-end;
}
.btn-back {
    margin-right: 8px;
}

.auth-form__socials {
    background-color: #f5f5f5;
    padding: 16px 36px;
    display: flex;
    justify-content: space-between ;
    margin-top: 24px;
}

.auth-form__socials-icon {
    font-size: 2rem;
}

.auth-form__socials--facbook {
    background-color: #3a5a98;
    color: var(--white-color);
}

.auth-form__socials--facbook
.auth-form__socials-icon {
    color: var(--white-color);
    
}

.auth-form__socials-title {
    margin: 0 36px;
}

.auth-form__socials--google {
    background-color: var(--white-color);
    color: #666;
}

/* login form */
.auth-form__help {
    display: flex;
    justify-content: flex-end;
    
}

.auth-form__help-link {
    text-decoration: none;
    font-size: 1.4rem;
    color: #939393;
}

.auth-form__help-color {
    color: var(--primary-color);
}

.auth-form__help-separate {
    display: block;
    border-left: 1px solid var(--border-color);
    margin:  0 16px;
}

/* header-with-search */
.header-with-search {
    height: var(--header-with-search-height);
    display: flex;
    align-items: center;
    margin: 0 8px;
}

.header__mobile-search {
    padding: 0 12px;
    display: none;
}

.header__mobile-search-icon {
    font-size: 2.6rem;
    color:  var(--white-color);
}

.header__logo {
    width: 200px;
}

.header__logo-link {
    color: transparent;
    text-decoration: none;
    display: block;
    line-height: 0;
}

.header__logo-img {
    width: 150px;
}

.header__search {
    background-color: var(--white-color);
    height: 40px;
    flex: 1;
    border-radius: 2px;
    display: flex;
    align-items: center;
}

.header__search-checkbox:checked ~ .header__search {
    display: flex;
}

.header__cart {
    width: 150px;
    text-align: center;
    
}

.header__cart-wrap {
    position: relative;
    display: inline-block;
    padding: 0 8px;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}

.header__cart-wrap:hover .header__cart-list {
    display: block;
}

.header__cart-heading {
    text-align: left;
    margin: 8px 0 8px 12px;
    font-size: 1.4rem;
    color: #999;
    font-weight: 400;
}

.header__cart-list-item {
    padding-left: 0;
    list-style: none;
    max-height: 50vh;  /*tăng giảm theo tỷ lệ màn hình của người dùng (50%)*/
    overflow-y: auto; /*Tự động thêm thanh cuộn nếu danh sách dài hơn chiều cao đã định*/
}

.header__cart-item {
    display: flex;
    align-items: center;
}

.header__cart-item:hover {
    background-color: #f8f8f8;

}

.header__cart-img {
    width: 42px;
    height: 42px;
    margin: 12px;
    border: 1px solid #e8e8e8;
}

.header__cart-item-info {
    width: 100%;
    margin-right: 12px;
}
.header__cart-item-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    
}
.header__cart-item-name {
    font-size: 1.4rem;
    line-height: 2rem;
    max-height: 4rem;
    font-weight: 500;
    color: var(--text-color);
    margin: 0;
    flex: 1;
    padding-right: 16px;
    overflow: hidden; 
    display: -webkit-box; /*tạo dấu ... khi chữ dài tràn ngoài phạm vi của thẻ chứa (các thuộc tính -webkit-)*/
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    text-align: left;
}
.header__cart-item-price {
    font-size: 1.4rem;
    font-weight: 500;
    color: var(--primary-color);
}
.header__cart-item-mltiply {
    font-size: 0.9rem;
    margin: 0 4px;
    color: #757575;
}
.header__cart-item-qnt {
    font-size: 1.2rem;
    color: #757575;
}
.header__cart-item-body {
    display: flex;
    justify-content: space-between;
    padding-top: 4px;
}
.header__cart-item-description {
    color: #757575;
    font-size: 1.2rem;
    font-weight: 300;

}
.header__cart-item-remove {
    color: var(--text-color);
    font-size: 1.4rem;
}

.header__cart-item-remove:hover {
    cursor: pointer;
    color: var(--primary-color);
}
.header__cart-view-cart {
    float: right;
    margin: 0 12px 12px 0;
}

.header__cart-view-cart:hover {
    background-color: #ee6145;
}

.header__cart-list::after {
    content: "";
    position: absolute;
    right: 4px;
    top: -26px;
    border-width: 16px 20px;
    border-style: solid;
    border-color: transparent transparent var(--white-color) transparent;
    cursor: pointer;
}

.header__cart-icon {
    color: var(--white-color);
    font-size: 2.4rem;
    margin-top: 6px;
}

.header__cart-list {
    cursor: default;
    position: absolute;
    top: calc(100% + 7px);
    right: -2px;
    background-color: var(--white-color);
    width: 400px;
    border-radius: 2px;
    box-shadow: 0 1px 3.125rem 0 rgba(0, 0, 0, 0.2);
    display: none;
    animation: faceIn ease-in 0.3s;
    z-index: 2;
}

.header__cart-list--no-cart {
    padding: 24px 0;

}

.header__cart-list--no-cart .header__cart-no-cart-img,
.header__cart-list--no-cart .header__cart-list-no-cart-msg {
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.header__cart-no-cart-img {
    width: 54%;
    display: none;
}

.header__cart-list-no-cart-msg {
    display: none;
    font-size: 1.4rem;
    margin-top: 14px;
    color: var(--text-color);
}

.header__search-input-wrap {
    flex: 1;
    height: 100%;
    position: relative;
}

.header__cart-notice {
    position: absolute;
    top: -8px;
    right: 0;
    padding: 2px 6px;
    line-height: 1.4rem;
    font-size: 1.4rem;
    border-radius: 10px;
    border: 2px solid #ee4d2d;
    color: var(--primary-color);
    background-color: var(--white-color);
}

.header__search-input {
    width: 100%;
    height: 100%;
    font-size: 1.4rem;
    border: none;
    outline: none;
    padding: 0 16px;
    border-radius: 3px;
    color: var(--text-color);
}

.header__search-select {
    border-left: 1px solid #ccc;
    padding-left: 16px;
}

.header__search-select-label {
    font-size: 1.4rem;
    color: var(--text-color);
}
.header__search-select-icon {
    font-size: 1.4rem;
    color: #6e6d6d;
    margin: 0 16px 0 8px;
    position: relative;
    top: 2px;
}

.header__search-btn {
    background-color: var(--primary-color);
    border: none;
    height: 34px;
    width: 60px;
    border-radius: 3px;
    margin-right: 3px;
    outline: none;
}

.header__search-btn-icon {
    font-size: 1.6rem;
    color: var(--white-color);
}
.header__search-input:focus ~ .header__search-history {
    display: block;
}

/* Search history */
.header__search-history {
    position: absolute;
    top: calc(100% + 2px);
    left: 0;
    width: calc(100% - 16px);
    background-color: var(--white-color);
    border-radius: 2px;
    box-shadow: 0 1px 3px #666;
    overflow: hidden;
    display: none;
    z-index: 2;
}

.header__search-history-heading {
    margin: 6px 12px;
    font-size: 1.4rem;
    color: #999;
    font-weight: 400;
}

.header__search-history-list {
    padding-left: 0;
    list-style: none;
    margin: 6px 0 0;
}

.header__search-history-item {
    height: 38px;
    padding: 0 12px;
}

.header__search-history-item:hover {
    background-color: #fafafa;
}


.header__search-history-item a {
    text-decoration: none;
    font-size: 1.4rem;
    color: var(--text-color);
    line-height: 38px;
    display: block;
}

/* Header sort bar */
.header__sort-bar {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    height: var(--header-sort-bar-height);
    background-color: var(--white-color);
    list-style: none;
    margin: 0;
    padding-left: 0;
    border-top: 1px solid #e5e5e5;
    border-bottom: 1px solid #e5e5e5;
    display: none;
}

.header__sort-item {
    flex: 1;
}

.header__sort-link {
    text-decoration: none;
    color: var(--text-color);
    font-size: 1.4rem;
    display: block;
    height: 100%;
    line-height: var(--header-sort-bar-height);
    text-align: center;
    position: relative;
}

.header__sort-link::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 0;
    height: 60%;
    border-left: 1px solid #e5e5e5;
    transform: translateY(-50%);
}

.header__sort-item--active .header__sort-link {
    color: var(--primary-color);
}

.header__sort-item:first-child .header__sort-link::before {
    display: none;
}

/* app container */
.app__container {
    background-color: #f5f5f5;
}

.app__content {
    padding-top: 24px;
}

.category {
    border-radius: 2px;
    background-color: var(--white-color);
}

.category__heading {
    font-size: 1.6rem;
    color: var(--text-color);
    padding: 12px 16px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    margin-top: 0;
}

.category__heading-icon {
    font-size: 1.2rem;
    padding-right: 4px;
    position: relative;
    top: -2px;
}

.category-list {
    padding: 0 0 8px 0;
    list-style: none;
    margin-left: 8px;
}


.category-item--active .category-item__link {
    color: var(--primary-color);
}

.category-item--active .category-item__link::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 8px;
    border: 4px solid;
    border-color: transparent transparent transparent var(--primary-color);
    transform: translateY(-50%);
}

.category-item__link {
    font-size: 1.4rem;
    color: var(--text-color);
    text-decoration: none;
    display: block;
    padding: 4px 16px;
    position: relative;
    right: 0;
    transition: right linear 0.1s;
}

.category-item__link:hover {
    color: var(--primary-color);
    right: -4px;
}

.mobile-category {
    display: none;
}

.mobile-category__list {
    display: flex;
    list-style: none;
    max-width: 100%;
    padding-left: 0;
    overflow-x : auto;
}

.mobile-category__list::-webkit-scrollbar {
    display: none;
}

.mobile-category__item {
    flex-shrink: 0;
    margin-right: 10px;
}

.mobile-category__item:nth-of-type(3n + 1) .mobile-category__link {
    background-color: #87afd8;
}

.mobile-category__item:nth-of-type(3n + 2) .mobile-category__link {
    background-color: #6cc069;
}

.mobile-category__item:nth-of-type(3n) .mobile-category__link {
    background-color: #76c9bd;
}

.mobile-category__link {
    --line-height: 2rem;
    text-decoration: none;
    /* color: var(--text-color); */
    color: var(--white-color);
    font-size: 1.4rem;
    line-height: var(--line-height);
    height: calc(var(--line-height) * 2);
    display: block;
    display: -webkit-box; /* thuộc tính display này phải nằm dưới mới ghi đè lên display: block mới có tác dụng ra "..."*/
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
    text-align: center;
    width: 110px;
    border-radius: 4px;
    font-weight: 300;
    user-select: none;
    -webkit-user-select: none;
    padding: 0 5px;
    
}

/* Home short + filter */
.home-filter {
    display: flex;
    align-items: center;
    background-color: rgba(0, 0, 0, 0.04);
    padding: 12px 22px;
    border-radius: 2px;
}

.home-filter__label {
    color: #555;
    font-size: 1.4rem;
    margin-right: 16px;
}

.home-filter__btn {
    min-width: 90px;
    margin-right: 12px;
    background-color: var(--white-color);
}

.home-filter__page {
    display: flex;
    align-items: center;
    margin-left: auto;
}

.home-filter__page-num {
    font-size: 1.4rem;
    color: var(--text-color);
    margin-right: 22px;
}

.home-filter__page-current {
    color: var(--primary-color);
}

.home-filter__page-control {
    border-radius: 2px;
    overflow: hidden;
    display: flex;
    width: 72px;
    height: 36px;
}

.home-filter__page-btn {
    flex: 1;
    display: flex;
    background-color: var(--white-color);
    text-decoration: none;
}

.home-filter__page-btn--disabled {
    cursor: default;
    background-color: #f9f9f9;
}

.home-filter__page-btn--disabled .home-filter__page-icon {
    color: #ccc;
}

.home-filter__page-btn:first-child {
    border-right: 1px solid #eee;
}

.home-filter__page-icon {
    margin: auto;
    font-size: 1.4rem;
    color: #555;
}
/* Product item */

.home-product {
    margin-bottom: 10px;
}
.home-product-item {
    display: block;
    position: relative;
    margin-top: 10px;
    background-color: var(--white-color);
    text-decoration: none;
    border-bottom-left-radius: 2px;
    border-bottom-right-radius: 2px;
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.1);
    transition: transform ease 0.15s;
    will-change: transform; /* dùng để khai báo cho trình duyệt cũ hiểu */
}

.home-product-item:hover {
    transform: translateY(-1px);
    box-shadow: 0 1px 20px 0 rgba(0, 0, 0, 0.05);
}

.home-product-item__img {
    padding-top: 100%; /* khi dùng background-img có padding-top: 100%, tức là ảnh sẽ bằng chiều ngang của thẻ chứa nó,
    ở vd này là thẻ div có class home-product-item*/
    background-repeat: no-repeat;
    background-size: contain;
    background-position: center;
}

.home-product-item__name {
    font-size: 1.4rem;
    font-weight: 400;
    color: var(--text-color);
    line-height: 1.8rem;
    height: 3.6rem;
    margin: 10px 10px 6px;
    overflow: hidden;
    display: block;
    display: -webkit-box;
    -webkit-box-orient: vertical;/*chiều của dòng text cần thay bằng dấu ...*/
    -webkit-line-clamp: 2; /*số dòng bắt đầu tạo ... ở đây là từ dòng thứ 2*/
    /* text-overflow: ellipsis; "tạo dấu ... trên 1 dòng (nhiều dòng không làm được) khi chữ dài hơn trong khung chứa" 
    thay cho cách hiện làm -webkit-box
    để hỗ trợ nhiều trình duyệt */
    /* white-space: nowrap; */
}

.home-product-item__price {
    display: flex;
    align-items: baseline; /*dùng cho chân chữ cùng 1 hàng*/
    flex-wrap: wrap; /*dùng để các chữ quá dài trên 1 dòng thì đẩy xuống hàng dưới*/
}

.home-product-item__price-old {
    margin-left: 10px;
    font-size: 1.4rem;
    color: #666;
    text-decoration: line-through;
}

.home-product-item__price-current {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-left: 10px;
}

.home-product-item__action {
    display: flex;
    justify-content: space-between;
    margin: 6px 10px 0;
}

.home-product-item__like {
    font-size: 1.4rem;
}

i.home-product-item__like-icon-fill {
    color: #f63d30;
    display: none;
}

.home-product-item__like--liked .home-product-item__like-icon-fill {
    display: inline-block;
}

.home-product-item__like--liked .home-product-item__like-icon-empty {
    display: none;
}

.home-product-item__rating {
    font-size: 1rem;
    transform: scale(0.7); /*dùng để thu nhỏ phóng to đối tượng khi font-size hoặc zoom không chỉnh được*/
    transform-origin: right;/*dùng chỉnh căn lề trái hoặc phải cho đối tượng*/
    color: #d5d5d5;
    margin-left: auto; /*dùng auto để các element tự căn chỉnh theo mức có thể,
     ở vd này là hết mức qua trái đến khi đụng element kế tiếp thì dừng*/
    margin-top: -1px;
}

.home-product-item__star--gold {
    color:var(--star-gold-color);
}

.home-product-item__sold {
    font-size: 1.2rem;
    color: var(--text-color);
    margin-left: 6px;
}

.home-product-item__origin {
    display: flex;
    justify-content: space-between;
    margin: 3px 10px 0;
    color: #595959;
    font-size: 1.2rem;
    font-weight: 300;
}

.home-product-item__brand {

}

.home-product-item__origin-name {
    
}

.home-product-item__favourite {
    position: absolute;
    top: 10px;
    left: -4px;
    color: var(--primary-color);
    background-color: currentColor;
    font-size: 1.2rem;
    font-weight: 500;
    line-height: 1.6rem;
    padding-right: 4px;
    border-top-right-radius: 3px ;
    border-bottom-right-radius: 3px;
}

.home-product-item__favourite span {
    color: var(--white-color);
}

/* tạo hình tam giác */
.home-product-item__favourite::after {
    content: "";
    position: absolute;
    left: 0px;
    bottom: -3px;
    border-top: 3px solid currentColor;
    border-left: 3px solid transparent;
    filter: brightness(60%);/*thuộc tính có giá trị tăng giảm độ sáng cho element*/
}

.home-product-item__favourite i {
    color: var(--white-color);
    font-size: 0.9rem;
    margin: 0 2px 0 4px;
}

.home-product-item__sale-off {
    position:absolute;
    top: 0;
    right: 0;
    width: 40px;
    height: 36px;
    text-align: center;
    background-color: rgba(255, 216, 64, 0.94);

}

.home-product-item__sale-off::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -4px;
    border-width: 0 20px 5px;
    border-style: solid;
    color: rgba(255, 216, 64, 0.94);
    border-color: transparent currentColor transparent currentColor;
}

.home-product-item__sale-off-percent {
    color: #ee4d2d;
    font-weight: 600;
    font-size: 1.3rem;
    line-height: 1.3rem;
    position: relative;
    top: 1px;
}

.home-product-item__sale-off-label {
    color: var(--white-color);
    font-size: 1.3rem;
    font-weight: 600;
    line-height: 1.3rem;
    position: relative;
    top: 2px;
}

.home-product__pagination {
    margin: 48px 0 32px 0; /* tạo class chỉnh margin cho danh sách trang, không tạo trên file base.css*/
    padding-left: 0;
}

/* footer */
.footer {
    padding-top: 12px;
    border-top: 4px solid var(--primary-color);
}

.footer__heading {
    font-size: 1.4rem;
    text-transform: uppercase;
    color: var(--text-color);
}

.footer-list {
    padding-left: 0;
    list-style: none;
}

.footer-item__link {
    text-decoration: none;
    font-size: 1.2rem;
    color: #737373;
    padding: 2px 0;
    display: flex;
    align-items: center;
}

.footer-item__link:hover {
    color: var(--primary-color);
}

.footer-item__icon {
    font-size: 1.6rem;
    margin: -1px 8px 0 0;
}

.footer__download {
    display: flex;
}

.footer__download-qr {
    width: 80px;
    height: 80px; /*khi set cứng chiều cao và rộng không cần dùng object-fit*/
    /* object-fit: contain;vì thẻ img nằm dọc nên ảnh bị kéo dài, cần thêm thuộc tính này để chỉnh về lại ảnh gốc */
    border: 1px solid var(--border-color);
}

.footer__download-apps {
    flex: 1;
    margin-left: 16px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.footer__download-app-img {
    height: 16px;
}

.footer__bottom {
    padding: 8px 0;
    background-color: #f5f5f5;
    margin-top: 24px;
}

.footer__text {
    margin: 0;
    text-align: center;
    font-size: 1.2rem;
    color: #737373;
}