.header {
    height: var(--header-height);
    background-image: var(--background-color);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

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

.header__navbar-list {
    list-style: none;
    padding-left: 0;
    margin: 4px 0 0 0;
}

.header__navbar-item {
    margin: 0 8px;
    position: relative;
    min-height: 26px;
}

/* di chuột thì hiện lên nhờ block */
.header__navbar-item--has-qr:hover .header__qr {
    display: block;
}

.header__navbar-item,
.header__navbar-item-link {
    /* Đưa khối lên 1 hàng */
    display: inline-block;
    font-size: 1.4rem;
    color: var(--white-color);
    text-decoration: none;
    font-weight: 300;
}

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

.header__navbar-item,
.header__navbar-item-link,
.header__navbar-icon-link {
    display: inline-flex;

}

/* làm mờ chữ */
.header__navbar-item:hover,
.header__navbar-icon-link:hover,
.header__navbar-item-link:hover {
    /* hình trỏ chuột */
    cursor: pointer;

    color: rgb(255, 255, 255, 0.7);
}

.header__navbar-item--strong {
    font-weight: 400;
}

/* dấu gạch phân chia thành phần */
.header__navbar-item--separate::after {
    content: "";
    display: block;
    position: absolute;
    border-left: 1px solid #FB9086;
    height: 16px;
    right: -9px;
    top: 50%;
    transform: translateY(-70%);
}

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

.header__navbar-icon {
    font-size: 1.8rem;
    margin: 0 4px;
}

.header__navbar-title--no-pointer {
    cursor: text;
    color: var(--white-color);
}

/* header QR code */
.header__qr {
    width: 190px;
    background-color: var(--white-color);
    position: absolute;
    left: 0;
    top: 118%;
    padding: 2px;
    border-radius: 5px;
    z-index: 1001;

    /* hiển thị khi di chuột */
    display: none;
    animation: fadeIn ease-in 0.3s;

    background-color: #756F6e;
}

.header__qr a {
    color: #F7F7F7;
    text-decoration: none;
    padding-bottom: 12px;
    display: flex;
    justify-content: center;
    width: 100%;
}

/* Lớp giả */
.header__qr::before {
    position: absolute;
    top: -16px;
    left: 0;
    width: 100%;
    height: 20px;
    content: "";
    display: block;
}

.header__qr-img {
    width: 100%;
    border-radius: 5px;
}

.header__qr-link {
    display: flex;
    margin-top: 8px;
    justify-content: center;
}

/* header notification */
.header__notify {
    position: absolute;
    top: 118%;
    right: 0;
    width: 404px;
    border: 1px solid #D3D3D3;
    background-color: var(--white-color);
    cursor: default;
    z-index: 1001;

    /* không cho copy */
    user-select: none;

    transform-origin: calc(100% - 20px) 0;
    animation: header__notifyGrowth ease-in 0.2s;

    /* tối ưu chuyển động */
    will-change: opacity, transform;

    /* ẩn hiện */
    display: none;
}

.header__notify::before {
    content: "";
    border-width: 20px 27px;
    border-style: solid;
    border-color: transparent transparent var(--white-color) transparent;
    position: absolute;
    right: 4px;
    top: -28px;
}

.header__notify ::after {
    content: "";
    display: block;
    position: absolute;
    right: 0;
    top: -16px;
    width: 100px;
    height: 20px;
}

@keyframes header__notifyGrowth {
    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: #666;
    margin: 0 0 0 12px;
    font-weight: 400;
    font-size: 1.4rem;
    line-height: 40px;
}

.header__notify-list {
    padding-left: 0;

}

.header__notify-item {
    display: flex;

}

.header__notify-item:hover {
    background-color: #F7F7F7;
}

.header__notify-item--viewed {
    background-color: rgba(238, 75, 43, 0.08);
}

.header__notify-link {
    display: flex;
    width: 100%;
    padding: 12px;
    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: 300;
    line-height: 1.8rem;
}

.header__notify-descriotion {
    display: block;
    font-size: 1.2rem;
    line-height: 1.6rem;
    color: #756F6e;
    margin-top: 4px;
}

.header__notify-footer {
    display: flex;
}

.header__notify-footer-btn {
    text-decoration: none;
    color: var(--text-color);
    padding: 8px 0;
    width: 100%;
    font-size: 1.4rem;
    font-weight: 400;
    text-align: center;
}

/* Authen modal */
.auth-form {
    width: 500px;
    border-radius: 5px;
    overflow: hidden;
    background-color: var(--white-color);
}

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

.auth-form__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 12px;
    margin-top: 10px;
}

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

.auth-form__switch-btn {
    font-size: 1.6rem;
    color: var(--primary-color);
    font-weight: 500;
    cursor: pointer;
}

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

/* Lớp ảo */
.auth-form__input:focus {
    border-color: #777;
}

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

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

.auth-form__controls-back {
    margin-right: 8px;
}

.auth-form__socials {
    background-color: #f5f5f5;
    padding: 12px 36px;
    display: flex;
    justify-content: space-between;
    margin-top: 20px;
}

.auth-form__socials-icon {
    font-size: 1.8rem;
    margin-left: 10px;
}

.auth-form__socials--facebook {
    background-color: #3A5A98;
    color: var(--white-color);
}

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

}

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

.auth-form__socials--google {
    background-color: #cbc9c966;
}

.auth-form__help {
    display: flex;
    justify-content: flex-end;
    margin-top: 20px;
}

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

.auth-form__help-separate {
    display: block;
    height: 16px;
    margin: 1px 16px 0;
    border-left: 1px solid #EAEAEA;
}

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

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

.header__logo {
    width: 200px;
    height: var(--header-with-search-height);
    display: flex;
    justify-content: center;
    text-align: center;
}

.header__logo-img {
    width: 150px;
    height: calc(var(--header-with-search-height) - 10px);
}

.header__search {
    width: 100%;
    height: 40px;
    background-color: var(--white-color);
    border-radius: 2px;
    display: flex;
    align-items: center;
}

/* .header__cart {
    width: 190px;
    display: flex;
    justify-content: center;
    text-align: center;
} */

/* header__cart - claude */

/* Sửa lại .header__cart */
.header__cart {
    width: 190px;
    display: flex;
    justify-content: center;
    text-align: center;
    position: relative;
    /* ← THÊM dòng này */
    cursor: pointer;
    /* ← THÊM dòng này */
}

.header__cart-icon {
    width: 30px;
    height: 30px;
}

.header__cart-span {
    color: var(--white-color);
    display: flex;
    align-items: center;
    font-size: 1.4rem;
}

.header__search-input {
    flex: 1;
    height: 100%;
    border: none;
    outline: none;
    font-size: 1.4rem;
    color: var(--text-color);
    padding: 0 16px;
    border-radius: 2px;
}

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

/* .header__search-select-label-icon {
    font-size: 1.4rem;
    color: #4a4a4a;
    margin: 0 10px 0 8px;
    position: relative;
    top: 1px;
} */

.header__search-select-label {
    font-size: 1.4rem;
    color: var(--text-color);
}

.header__search-btn {
    background-color: var(--primary-color);
    border: none;
    height: 34px;
    width: 60px;
    outline: none;
    border-radius: 3px;
    margin: 0 2px;
}

.header__search-btn:hover {
    background-color: blue;
    cursor: pointer;
}

.header__search-btn-icon {
    font-size: 1.4rem;
    color: var(--white-color);
}

.header__search-option {
    font-size: 1.4rem;
    color: #4a4a4a;
    margin: 0 8px 0 6px;
    cursor: pointer;
}

.header__search-option-item {
    background-color: var(--background-color);
}

/* thử nghiệm */
/* .thucuon{
    background-color: red;
    height: 1000px;
    color: white;
    margin-top: var(--header-height);
    width: 100%;
} */
/* 
.thucuon-kettrang {
    background-color: palegreen;
} */

.header {
    position: fixed;
    width: 100%;
    top: 0;
}

/* Container - code - claude */
.product-section {
    padding: 32px 0;
}

.product-section__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.product-section__title {
    font-size: 22px;
    font-weight: 700;
    color: #1a1a2e;
}

.product-section__view-all {
    font-size: 14px;
    color: #1877f2;
    text-decoration: none;
    font-weight: 500;
}

.product-section__view-all:hover {
    text-decoration: underline;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

@media (max-width: 1100px) {
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .product-grid {
        grid-template-columns: 1fr;
    }
}

.product-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid #e8e8e8;
    transition: box-shadow 0.2s, transform 0.2s;
}

.product-card:hover {
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.12);
    transform: translateY(-3px);
}

.product-card__img-wrap {
    position: relative;
    width: 100%;
    padding-top: 65%;
    overflow: hidden;
}

.product-card__img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.product-card:hover .product-card__img {
    transform: scale(1.04);
}

.product-card__save-btn {
    position: absolute;
    top: 10px;
    left: 10px;
    background: rgba(255, 255, 255, 0.92);
    border: none;
    border-radius: 50%;
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 16px;
    color: #555;
    transition: color 0.2s, background 0.2s;
}

.product-card__save-btn:hover {
    color: #e0003a;
    background: #fff;
}

.product-card__badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background: #22c55e;
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 20px;
}

.product-card__body {
    padding: 14px 14px 16px;
}

.product-card__meta {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px;
}

.product-card__district {
    font-size: 12px;
    font-weight: 700;
    color: #555;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.product-card__rating {
    font-size: 12px;
    color: #f59e0b;
    font-weight: 600;
}

.product-card__name {
    font-size: 14px;
    font-weight: 700;
    color: #1a1a2e;
    line-height: 1.45;
    margin: 0 0 8px;
    display: -webkit-box;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-card__address {
    font-size: 12px;
    color: #888;
    margin: 0 0 10px;
    display: flex;
    align-items: flex-start;
    gap: 5px;
    line-height: 1.4;
}

.product-card__address i {
    margin-top: 2px;
    color: #aaa;
    flex-shrink: 0;
}

.product-card__price-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
}

.product-card__price {
    font-size: 16px;
    font-weight: 700;
    color: #1877f2;
}

.product-card__price-unit {
    font-size: 13px;
    font-weight: 400;
}

.product-card__area {
    font-size: 13px;
    color: #888;
    background: #f5f5f5;
    padding: 3px 10px;
    border-radius: 20px;
}

.product-card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 14px;
}

.product-card__tag {
    font-size: 12px;
    color: #444;
    background: #f0f4ff;
    border: 1px solid #d4e0ff;
    padding: 3px 10px;
    border-radius: 20px;
}

.product-card__tag--more {
    background: #eee;
    border-color: #ddd;
    color: #888;
}

.product-card__actions {
    display: flex;
    gap: 8px;
}

.product-card__btn {
    flex: 1;
    padding: 9px 0;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: opacity 0.2s, transform 0.15s;
    border: none;
}

.product-card__btn:hover {
    opacity: 0.88;
    transform: scale(0.98);
}

.product-card__btn--primary {
    background: #1877f2;
    color: #fff;
}

.product-card__btn--outline {
    background: transparent;
    color: #1877f2;
    border: 1.5px solid #1877f2;
}

/* container - claude - heard */
/* Nút tim khi active */
.product-card__save-btn.active {
    color: #e0003a;
    background: #fff;
}

.product-card__save-btn.active i::before {
    content: "\f004";
    font-weight: 900;
}

/* Dropdown đã lưu */
.header__saved-dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    width: 300px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
    z-index: 1001;
    border: 1px solid #eee;
    overflow: hidden;
}

.header__saved-dropdown--open {
    display: block;
}

.header__saved-empty {
    padding: 20px;
    text-align: center;
    color: #888;
    font-size: 1.4rem;
    /* ← đổi từ 14px */
}

.header__saved-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-bottom: 1px solid #f0f0f0;
    transition: background 0.15s;
}

.header__saved-item:hover {
    background: #f9f9f9;
}

.header__saved-img {
    width: 52px;
    height: 40px;
    object-fit: cover;
    border-radius: 6px;
    flex-shrink: 0;
}

.header__saved-info {
    flex: 1;
    min-width: 0;
}

.header__saved-name {
    display: block;
    font-size: 1.3rem;
    /* ← đổi từ 13px */
    font-weight: 600;
    color: #1a1a2e;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.header__saved-price {
    font-size: 1.2rem;
    /* ← đổi từ 12px */
    color: #1877f2;
    font-weight: 500;
}

.header__saved-remove {
    background: none;
    border: none;
    color: #bbb;
    cursor: pointer;
    font-size: 1.4rem;
    /* ← đổi từ 14px */
    padding: 4px;
    border-radius: 50%;
}

.header__saved-remove:hover {
    color: #e0003a;
    background: #fee;
}

/* đoạn css do gemini thiết kế và dành cho footer */

.footer {
    border-top: 1px solid var(--border-color);
    /* Đồng bộ viền */
    padding-top: 48px;
    background-color: var(--white-color);
    /* Giữ nền trắng sạch sẽ như trang web */
}

.footer__main {
    justify-content: space-between;
}

.footer-column {
    padding: 0 16px;
    flex: 1;
    min-width: 220px;
    margin-bottom: 24px;
}

.footer-column--large {
    flex: 1.5;
    /* Cột thông tin lớn hơn */
}

.footer__heading {
    font-size: 1.4rem;
    text-transform: uppercase;
    font-weight: 600;
    color: var(--text-color);
    margin: 0 0 20px 0;
    position: relative;
}

/* Gạch chân màu xanh đồng bộ */
.footer__heading::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -8px;
    width: 32px;
    height: 2px;
    background-color: var(--primary-color);
}

.footer__desc {
    color: #737373;
    line-height: 1.6;
    font-size: 1.2rem;
    margin-bottom: 16px;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-link {
    width: 34px;
    height: 34px;
    background-color: #f0f0f0;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #737373;
    text-decoration: none;
    transition: 0.2s;
}

.social-link:hover {
    background-color: var(--primary-color);
    color: var(--white-color);
}

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

.footer-list li {
    margin-bottom: 10px;
}

.footer-item__link {
    color: #737373;
    text-decoration: none;
    font-size: 1.2rem;
    transition: 0.2s;
    display: flex;
    align-items: center;
}

.footer-item__link:hover {
    color: var(--primary-color);
    padding-left: 4px;
    /* Hiệu ứng dịch chuyển nhỏ khi hover */
}

/* Form đăng ký tin */
.footer-newsletter-form {
    margin-top: 15px;
}

.footer-newsletter-form input {
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    outline: none;
    width: 100%;
    font-size: 1.2rem;
    margin-bottom: 12px;
}

.footer-newsletter-btn {
    width: 100%;
    cursor: pointer;
    font-weight: 600;
}

/* Phần bản quyền */
.footer-bottom {
    text-align: center;
    border-top: 1px solid var(--border-color);
    margin-top: 40px;
    padding: 24px 0;
    font-size: 1.2rem;
    color: #737373;
}

/* Thích ứng di động */
@media (max-width: 991px) {
    .footer-column {
        flex: 1 1 45%;
    }
}

@media (max-width: 575px) {
    .footer-column {
        flex: 1 1 100%;
        text-align: center;
    }

    .footer__heading::after {
        left: 50%;
        transform: translateX(-50%);
    }

    .social-links {
        justify-content: center;
    }

    .footer-item__link {
        justify-content: center;
    }
}

/* Check__password */
.check__password {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}