/* =====================================================================
   FILE: /public/assets/css/app.css
   Điện máy AIRA - lớp tùy biến đè lên Bootstrap 5.

   Nguyên tắc: nền trắng, khoảng trắng rộng, sản phẩm là thứ nổi bật nhất,
   màu thương hiệu chỉ dùng cho CTA và giá khuyến mãi.
   Hạn chế animation để không ảnh hưởng Core Web Vitals.
   ===================================================================== */

:root {
    --kaw-primary: #d70018;
    --kaw-primary-dark: #b00014;
    --kaw-primary-soft: #fff1f2;
    --kaw-accent: #ff6b00;
    --kaw-ink: #1a1a1a;
    --kaw-muted: #6b7280;
    --kaw-line: #e5e7eb;
    --kaw-bg-soft: #f5f6f8;
    --kaw-radius: 10px;
    --kaw-shadow: 0 2px 10px rgba(16, 24, 40, .06);
    --kaw-shadow-hover: 0 10px 28px rgba(16, 24, 40, .12);
    --kaw-header-h: 62px;
}

* { -webkit-tap-highlight-color: transparent; }

body {
    font-family: 'Be Vietnam Pro', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    color: var(--kaw-ink);
    background: #fff;
    font-size: .95rem;
}

a { text-decoration: none; }
img { max-width: 100%; height: auto; }

/* Bootstrap dùng .btn-danger/.bg-danger cho CTA - đổi sang màu thương hiệu */
.btn-danger, .bg-danger {
    background-color: var(--kaw-primary) !important;
    border-color: var(--kaw-primary) !important;
}
.btn-danger:hover, .btn-danger:focus {
    background-color: var(--kaw-primary-dark) !important;
    border-color: var(--kaw-primary-dark) !important;
}
.btn-outline-danger {
    color: var(--kaw-primary); border-color: var(--kaw-primary);
}
.btn-outline-danger:hover {
    background-color: var(--kaw-primary); border-color: var(--kaw-primary);
}
.text-danger { color: var(--kaw-primary) !important; }
.section-soft { background: var(--kaw-bg-soft); }

/* Lưới 5 cột trên màn hình lớn - Bootstrap không có sẵn col-xl-5-items */
@media (min-width: 1200px) {
    .col-xl-custom-5 { flex: 0 0 20%; max-width: 20%; }
}

/* =====================================================================
   HEADER
   ===================================================================== */

.site-header__top {
    background: #fafafa;
    border-bottom: 1px solid var(--kaw-line);
    font-size: .8rem;
    color: var(--kaw-muted);
    padding: 6px 0;
}
.site-header__top a { color: var(--kaw-muted); }
.site-header__top a:hover { color: var(--kaw-primary); }
.site-header__hotline { color: var(--kaw-primary) !important; font-weight: 600; }

.site-header__main {
    background: var(--kaw-primary);
    padding: 10px 0;
}

.site-header__logo {
    display: inline-flex; align-items: baseline; gap: 6px;
    color: #fff; font-weight: 800; letter-spacing: -.5px;
}
.site-header__logo-mark { font-size: 1.75rem; line-height: 1; }
.site-header__logo-text { font-size: .72rem; font-weight: 600; opacity: .85; letter-spacing: 1px; }
/* Logo ảnh: đặt trên nền trắng bo góc để nổi trên header đỏ */
.site-header__logo:has(img) {
    align-items: center; background: #fff; border-radius: 8px; padding: 4px 10px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, .12);
}
.site-header__logo img { display: block; height: 40px; width: auto; }
@media (max-width: 575.98px) {
    .site-header__logo:has(img) { padding: 3px 8px; }
    .site-header__logo img { height: 32px; }
}

/* --- Ô tìm kiếm --- */
.site-search { position: relative; }
.site-search__input {
    height: 42px; border: 0; border-radius: 6px; padding-right: 52px; font-size: .9rem;
}
.site-search__input:focus { box-shadow: 0 0 0 3px rgba(255, 255, 255, .35); }
.site-search__btn {
    position: absolute; top: 0; right: 0; height: 42px; width: 48px;
    border: 0; border-radius: 0 6px 6px 0;
    background: var(--kaw-accent); color: #fff;
}
.site-search__btn:hover { background: #e55f00; color: #fff; }
.site-search__hints { font-size: .75rem; }
.site-search__hints a { color: rgba(255, 255, 255, .8); }
.site-search__hints a:hover { color: #fff; text-decoration: underline; }

.site-search__suggest {
    position: absolute; top: calc(100% + 6px); left: 0; right: 0; z-index: 1050;
    background: #fff; border: 1px solid var(--kaw-line); border-radius: 8px;
    max-height: 70vh; overflow-y: auto;
}
.suggest-item {
    display: flex; gap: 10px; align-items: center; padding: 8px 12px;
    color: var(--kaw-ink); border-bottom: 1px solid #f3f4f6;
}
.suggest-item:last-child { border-bottom: 0; }
.suggest-item:hover, .suggest-item.is-active { background: var(--kaw-primary-soft); }
.suggest-item img { width: 44px; height: 44px; object-fit: contain; flex: 0 0 44px; }
.suggest-item__name { font-size: .85rem; line-height: 1.3; }
.suggest-item__price { font-size: .85rem; font-weight: 700; color: var(--kaw-primary); }
.suggest-header {
    padding: 6px 12px; font-size: .72rem; text-transform: uppercase;
    letter-spacing: .5px; color: var(--kaw-muted); background: #fafafa;
}

/* --- Nút tài khoản / giỏ hàng --- */
.site-header__action {
    display: inline-flex; align-items: center; gap: 8px;
    color: #fff; background: transparent; border: 0;
    font-size: .74rem; line-height: 1.25; padding: 4px 8px; border-radius: 6px;
}
.site-header__action:hover { background: rgba(255, 255, 255, .14); color: #fff; }
.site-header__action i { font-size: 1.4rem; }

/* --- Thanh nav + mega menu --- */
.site-header__nav { background: #fff; border-bottom: 1px solid var(--kaw-line); }
.site-nav { display: flex; gap: 4px; }
.site-nav a {
    display: block; padding: 12px 10px; color: var(--kaw-ink);
    font-size: .875rem; font-weight: 500;
}
.site-nav a:hover, .site-nav a.is-active { color: var(--kaw-primary); }

.mega-menu { position: relative; }
.mega-menu__trigger { border-radius: 0; height: 100%; padding: 12px 16px; font-size: .9rem; }

.mega-menu__panel {
    position: absolute; top: 100%; left: 0; z-index: 1040;
    display: none; width: 940px;
    background: #fff; border: 1px solid var(--kaw-line); border-radius: 0 0 8px 8px;
}
.mega-menu:hover .mega-menu__panel { display: flex; }

.mega-menu__roots {
    width: 250px; flex: 0 0 250px; border-right: 1px solid var(--kaw-line);
    padding: 8px 0; background: #fafafa;
}
.mega-menu__root a {
    display: flex; padding: 10px 14px; color: var(--kaw-ink); font-size: .875rem;
}
.mega-menu__root:hover a { background: #fff; color: var(--kaw-primary); }
.mega-menu__root i:first-child { color: var(--kaw-primary); }

.mega-menu__contents { flex: 1; padding: 18px 22px; min-height: 240px; }
.mega-menu__content { display: none; }
.mega-menu__content.is-active { display: block; }
.mega-menu__child span:first-child { font-size: .85rem; }
.mega-menu__child:hover span:first-child { color: var(--kaw-primary) !important; }
.mega-menu__contents ul a:hover { color: var(--kaw-primary) !important; }

/* =====================================================================
   HERO
   ===================================================================== */

.hero-section { padding: 16px 0; }
.hero-carousel .carousel-item img { aspect-ratio: 8 / 3; object-fit: cover; }
/* Mobile dùng ảnh banner riêng tỉ lệ 3:2 - ép 8/3 sẽ cắt mất chữ trên ảnh */
@media (max-width: 767.98px) {
    .hero-carousel .carousel-item img { aspect-ratio: 3 / 2; }
}
.hero-carousel .carousel-indicators [data-bs-target] { width: 8px; height: 8px; border-radius: 50%; }

.hero-side__item {
    display: flex; gap: 10px; align-items: center; flex: 1;
    background: var(--kaw-bg-soft); border-radius: var(--kaw-radius); padding: 10px 14px;
}
.hero-side__item i { font-size: 1.5rem; color: var(--kaw-primary); }
.hero-side__item strong { display: block; font-size: .83rem; }
.hero-side__item span, .hero-side__item a { display: block; font-size: .76rem; color: var(--kaw-muted); }
.hero-side__item--hotline a { color: var(--kaw-primary); font-weight: 700; font-size: .95rem; }

/* =====================================================================
   TIÊU ĐỀ SECTION
   ===================================================================== */

.section-heading__title { font-size: 1.2rem; font-weight: 700; }
.section-heading__subtitle { font-size: .8rem; color: var(--kaw-muted); }
.section-heading__more {
    font-size: .85rem; color: var(--kaw-primary); font-weight: 500; white-space: nowrap;
}
.section-heading__more:hover { text-decoration: underline; }

/* =====================================================================
   DANH MỤC NỔI BẬT
   ===================================================================== */

.category-strip {
    display: grid; gap: 10px;
    grid-template-columns: repeat(2, 1fr);
}
@media (min-width: 576px) { .category-strip { grid-template-columns: repeat(4, 1fr); } }
@media (min-width: 992px) { .category-strip { grid-template-columns: repeat(8, 1fr); } }

.category-chip {
    display: flex; flex-direction: column; align-items: center; gap: 4px;
    padding: 14px 8px; text-align: center;
    background: #fff; border: 1px solid var(--kaw-line); border-radius: var(--kaw-radius);
    transition: border-color .15s, box-shadow .15s;
}
.category-chip:hover { border-color: var(--kaw-primary); box-shadow: var(--kaw-shadow); }
.category-chip__icon {
    width: 44px; height: 44px; border-radius: 50%;
    display: grid; place-items: center;
    background: var(--kaw-primary-soft); color: var(--kaw-primary); font-size: 1.3rem;
}
.category-chip__name { font-size: .8rem; font-weight: 600; color: var(--kaw-ink); line-height: 1.25; }
.category-chip__count { font-size: .7rem; color: var(--kaw-muted); }

/* =====================================================================
   FLASH SALE
   ===================================================================== */

.flash-sale__box {
    background: linear-gradient(135deg, #d70018 0%, #ff6b00 100%);
    border-radius: 12px; padding: 14px;
}
.flash-sale__header {
    display: flex; justify-content: space-between; align-items: center;
    flex-wrap: wrap; gap: 8px; margin-bottom: 12px;
}
.flash-sale__title { color: #fff; font-size: 1.15rem; font-weight: 800; letter-spacing: .5px; }
.flash-sale__note { color: rgba(255, 255, 255, .85); font-size: .8rem; }
.flash-sale__countdown-label { color: #fff; font-size: .8rem; }
.flash-sale__countdown { display: flex; gap: 2px; color: #fff; font-weight: 700; }
.flash-sale__countdown span[data-unit] {
    background: rgba(0, 0, 0, .28); border-radius: 4px; padding: 3px 7px;
    min-width: 30px; text-align: center; font-variant-numeric: tabular-nums;
}
.flash-sale__more { color: #fff; font-size: .82rem; }
.flash-sale__more:hover { text-decoration: underline; color: #fff; }
.flash-sale__body { background: #fff; border-radius: 8px; padding: 12px; }

.product-card__flash .progress { position: relative; background: #ffe0e3; border-radius: 20px; }
.product-card__flash-label {
    position: absolute; inset: 0; display: grid; place-items: center;
    font-size: .68rem; font-weight: 600; color: #fff; text-shadow: 0 1px 2px rgba(0, 0, 0, .35);
}

/* =====================================================================
   PRODUCT CARD
   ===================================================================== */

.product-card {
    border-radius: var(--kaw-radius); overflow: hidden;
    transition: box-shadow .18s ease, transform .18s ease, border-color .18s;
}
.product-card:hover {
    box-shadow: var(--kaw-shadow-hover); border-color: transparent; transform: translateY(-2px);
}
.product-card__image-link img { transition: transform .25s ease; }
.product-card:hover .product-card__image-link img { transform: scale(1.05); }

.product-card__badges { z-index: 2; }
.product-card__badges .badge { font-size: .68rem; font-weight: 700; }

.product-card__wish {
    z-index: 2; width: 30px; height: 30px; padding: 0; line-height: 1;
    opacity: 0; transition: opacity .15s, color .15s;
}
.product-card:hover .product-card__wish { opacity: 1; }
.product-card__wish.is-active { opacity: 1; color: var(--kaw-primary); }

.product-card__title {
    font-size: .84rem; line-height: 1.35; font-weight: 500;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
    overflow: hidden; min-height: 2.3em;
}
.product-card:hover .product-card__title { color: var(--kaw-primary) !important; }
.product-card__sku { font-size: .7rem; }
.product-card__rating { font-size: .72rem; }
.product-card__price-now { font-size: 1rem; }
.product-card__price-old { font-size: .78rem; }
.product-card__saving { font-size: .72rem; }
.product-card__promo {
    font-size: .7rem; color: var(--kaw-accent); background: #fff7ed;
    border-radius: 4px; padding: 3px 6px; line-height: 1.3;
}
.product-card__sold { font-size: .72rem; }

/* Trên desktop nút hành động chỉ hiện khi hover, giữ lưới sản phẩm gọn mắt.
   Trên mobile luôn hiện vì không có hover. */
@media (min-width: 992px) {
    .product-card__actions {
        max-height: 0; opacity: 0; overflow: hidden;
        transition: max-height .2s ease, opacity .2s ease;
    }
    .product-card:hover .product-card__actions { max-height: 60px; opacity: 1; }
}

.product-card.is-out-of-stock .product-card__image-link img { opacity: .55; filter: grayscale(.4); }

/* =====================================================================
   LỢI ÍCH & THƯƠNG HIỆU
   ===================================================================== */

.benefit-item {
    display: flex; flex-direction: column; align-items: center; gap: 4px;
    padding: 16px 10px; border: 1px solid var(--kaw-line); border-radius: var(--kaw-radius);
}
.benefit-item i { font-size: 1.7rem; color: var(--kaw-primary); }
.benefit-item strong { font-size: .82rem; }
.benefit-item span { font-size: .72rem; color: var(--kaw-muted); line-height: 1.35; }

.brand-strip { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
@media (min-width: 768px) { .brand-strip { grid-template-columns: repeat(5, 1fr); } }
.brand-chip {
    display: flex; flex-direction: column; align-items: center; gap: 2px;
    background: #fff; border: 1px solid var(--kaw-line); border-radius: var(--kaw-radius);
    padding: 16px 10px;
}
.brand-chip:hover { border-color: var(--kaw-primary); }
.brand-chip strong { color: var(--kaw-ink); font-size: .95rem; }
.brand-chip span { font-size: .72rem; color: var(--kaw-muted); }

/* =====================================================================
   BÀI VIẾT
   ===================================================================== */

.post-card { border-radius: var(--kaw-radius); overflow: hidden; transition: box-shadow .18s; }
.post-card:hover { box-shadow: var(--kaw-shadow-hover); }
.post-card__category {
    display: inline-block; font-size: .68rem; text-transform: uppercase; letter-spacing: .4px;
    color: var(--kaw-primary); font-weight: 600; margin-bottom: 4px;
}
.post-card__title { font-size: .9rem; line-height: 1.35; margin-bottom: 6px; }
.post-card__title a {
    color: var(--kaw-ink);
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.post-card:hover .post-card__title a { color: var(--kaw-primary); }
.post-card__excerpt {
    font-size: .78rem; color: var(--kaw-muted); line-height: 1.5; margin-bottom: 6px;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.post-card__meta { font-size: .72rem; color: var(--kaw-muted); }

/* =====================================================================
   BREADCRUMB & TRANG DANH MỤC
   ===================================================================== */

.breadcrumb-bar { background: var(--kaw-bg-soft); padding: 10px 0; font-size: .82rem; }
.breadcrumb-bar .breadcrumb-item a { color: var(--kaw-muted); }
.breadcrumb-bar .breadcrumb-item a:hover { color: var(--kaw-primary); }

.category-hero { padding: 18px 0 10px; }
.category-hero h1 { font-size: 1.45rem; font-weight: 700; }
.category-hero__desc { font-size: .87rem; color: var(--kaw-muted); max-width: 820px; }

.subcategory-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.subcategory-chip {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 7px 14px; border: 1px solid var(--kaw-line); border-radius: 30px;
    font-size: .82rem; color: var(--kaw-ink); background: #fff;
}
.subcategory-chip:hover, .subcategory-chip.is-active {
    border-color: var(--kaw-primary); color: var(--kaw-primary); background: var(--kaw-primary-soft);
}
.subcategory-chip span { font-size: .72rem; color: var(--kaw-muted); }

/* --- Sidebar bộ lọc --- */
.filter-sidebar { font-size: .86rem; }
.filter-group { border-bottom: 1px solid var(--kaw-line); padding: 14px 0; }
.filter-group:first-child { padding-top: 0; }
.filter-group__title {
    font-size: .85rem; font-weight: 700; margin-bottom: 10px;
    display: flex; justify-content: space-between; align-items: center;
}
.filter-group .form-check { margin-bottom: 6px; }
.filter-group .form-check-label { font-size: .84rem; cursor: pointer; }
.filter-group .form-check-input:checked { background-color: var(--kaw-primary); border-color: var(--kaw-primary); }
.filter-count { color: var(--kaw-muted); font-size: .76rem; }

.filter-color-dot {
    display: inline-block; width: 14px; height: 14px; border-radius: 50%;
    border: 1px solid var(--kaw-line); vertical-align: -2px; margin-right: 4px;
}

.active-filters { display: flex; flex-wrap: wrap; gap: 6px; }
.active-filter-tag {
    display: inline-flex; align-items: center; gap: 6px;
    background: var(--kaw-primary-soft); color: var(--kaw-primary);
    border: 1px solid #fecdd3; border-radius: 20px; padding: 4px 10px; font-size: .78rem;
}
.active-filter-tag:hover { background: #ffe4e6; color: var(--kaw-primary); }

.sort-bar {
    display: flex; justify-content: space-between; align-items: center; gap: 10px;
    flex-wrap: wrap; padding: 10px 0; border-bottom: 1px solid var(--kaw-line); margin-bottom: 14px;
}
.sort-bar__options { display: flex; gap: 6px; flex-wrap: wrap; }
.sort-bar__option {
    padding: 6px 12px; border: 1px solid var(--kaw-line); border-radius: 6px;
    font-size: .82rem; color: var(--kaw-ink); background: #fff; white-space: nowrap;
}
.sort-bar__option:hover { border-color: var(--kaw-primary); color: var(--kaw-primary); }
.sort-bar__option.is-active {
    background: var(--kaw-primary); border-color: var(--kaw-primary); color: #fff;
}

.empty-state { padding: 48px 16px; text-align: center; }
.empty-state i { font-size: 3rem; color: var(--kaw-line); }

/* =====================================================================
   FOOTER & BOTTOM NAV
   ===================================================================== */

.site-footer { background: #1f2430; color: #9aa2ad; padding-top: 40px; }
.site-footer h5, .site-footer h6 { color: #fff; }
.site-footer a { color: #9aa2ad; font-size: .85rem; }
.site-footer a:hover { color: #fff; }
.site-footer__bottom { border-top: 1px solid #2c3240; padding: 14px 0; font-size: .8rem; }

.bottom-nav {
    position: fixed; bottom: 0; left: 0; right: 0; z-index: 1030;
    background: #fff; border-top: 1px solid var(--kaw-line);
    box-shadow: 0 -2px 10px rgba(0, 0, 0, .05);
}
.bottom-nav a {
    flex: 1; text-align: center; padding: 6px 0; color: var(--kaw-muted); font-size: .68rem;
}
.bottom-nav a i { font-size: 1.25rem; display: block; }
.bottom-nav a.is-active { color: var(--kaw-primary); }

@media (max-width: 991.98px) {
    body { padding-bottom: 60px; }
}

/* =====================================================================
   FLOATING CONTACT
   ===================================================================== */

.floating-contact {
    position: fixed; right: 12px; bottom: 90px; z-index: 1040;
    display: flex; flex-direction: column; gap: 8px;
}
.floating-contact__btn {
    width: 46px; height: 46px; display: grid; place-items: center;
    border-radius: 50%; box-shadow: var(--kaw-shadow-hover);
    color: #fff; font-size: 1.15rem; transition: transform .15s;
}
.floating-contact__btn:hover { color: #fff; transform: scale(1.06); }
.floating-contact__btn span { font-size: .75rem; font-weight: 700; }
.floating-contact__btn--zalo      { background: #0068ff; }
.floating-contact__btn--messenger { background: #00b2ff; }
.floating-contact__btn--phone     { background: var(--kaw-primary); }

/* Trên mobile nút nhỏ lại để không che mất nội dung sản phẩm */
@media (max-width: 991.98px) {
    .floating-contact { bottom: 72px; right: 8px; gap: 6px; }
    .floating-contact__btn { width: 36px; height: 36px; font-size: .92rem; }
    .floating-contact__btn span { font-size: .58rem; }
}

/* =====================================================================
   NỘI DUNG SEO & TRANG TĨNH
   ===================================================================== */

.seo-text { font-size: .87rem; color: #4b5563; line-height: 1.75; }
.seo-text h2 { font-size: 1.05rem; color: var(--kaw-ink); margin-bottom: 10px; }
.seo-text a { color: var(--kaw-primary); }
.seo-text a:hover { text-decoration: underline; }

.page-content { font-size: .92rem; line-height: 1.8; }
.page-content h3 { font-size: 1.05rem; margin: 20px 0 10px; }
.page-content ul, .page-content ol { padding-left: 20px; }

/* Toast thông báo thêm giỏ hàng */
.kaw-toast {
    position: fixed; z-index: 1080; right: 16px; bottom: 90px;
    background: #111827; color: #fff; border-radius: 8px; padding: 12px 16px;
    font-size: .85rem; box-shadow: var(--kaw-shadow-hover);
    opacity: 0; transform: translateY(8px); transition: opacity .2s, transform .2s;
}
.kaw-toast.is-visible { opacity: 1; transform: translateY(0); }

/* Ô "ngày" trong đồng hồ flash sale - chỉ hiện khi chương trình dài hơn 24h */
.flash-sale__countdown [data-sep="days"] {
    color: #fff; font-size: .78rem; font-weight: 500;
    align-self: center; margin: 0 4px 0 2px;
}

/* =====================================================================
   TRANG CHI TIẾT SẢN PHẨM (Phase 4)
   ===================================================================== */

.product-detail { padding-bottom: 24px; }

/* --- Gallery --- */
.product-gallery { position: relative; }
.product-gallery__main {
    position: relative; margin: 0;
    border: 1px solid var(--kaw-line); border-radius: var(--kaw-radius);
    overflow: hidden; background: #fff; aspect-ratio: 1 / 1;
}
.product-gallery__main img {
    width: 100%; height: 100%; object-fit: contain; display: block;
}
.product-gallery__video-btn {
    position: absolute; left: 12px; bottom: 12px;
    background: rgba(0, 0, 0, .68); color: #fff; border: 0;
    border-radius: 20px; padding: 6px 14px; font-size: .8rem;
}
.product-gallery__video-btn:hover { background: rgba(0, 0, 0, .85); color: #fff; }

/* Kính lúp: ô vuông bám theo chuột trên ảnh chính */
.product-gallery__zoom-lens {
    position: absolute; border: 1px solid var(--kaw-primary);
    background: rgba(215, 0, 24, .12); pointer-events: none;
    width: 140px; height: 140px; border-radius: 4px;
}
/* Khung phóng to hiện đè lên cột bên phải */
.product-gallery__zoom-result {
    position: absolute; top: 0; left: calc(100% + 12px);
    width: 420px; height: 420px; z-index: 30;
    border: 1px solid var(--kaw-line); border-radius: var(--kaw-radius);
    background-color: #fff; background-repeat: no-repeat;
    box-shadow: var(--kaw-shadow-hover);
}
@media (max-width: 1199.98px) {
    /* Màn hình hẹp không đủ chỗ đặt khung phóng to nên tắt hẳn tính năng zoom */
    .product-gallery__zoom-result, .product-gallery__zoom-lens { display: none !important; }
}

.product-gallery__thumbs {
    display: flex; gap: 8px; margin-top: 8px; overflow-x: auto; padding-bottom: 4px;
}
.product-gallery__thumb {
    flex: 0 0 72px; width: 72px; height: 72px; padding: 2px;
    border: 2px solid var(--kaw-line); border-radius: 8px; background: #fff;
    display: grid; place-items: center; cursor: pointer;
}
.product-gallery__thumb img { width: 100%; height: 100%; object-fit: contain; }
.product-gallery__thumb.is-active, .product-gallery__thumb:hover { border-color: var(--kaw-primary); }
.product-gallery__thumb--video {
    flex-direction: column; gap: 2px; color: var(--kaw-primary); font-size: .68rem;
}
.product-gallery__thumb--video i { font-size: 1.4rem; }

/* --- Buy box --- */
.buy-box__title { font-size: 1.4rem; font-weight: 700; line-height: 1.35; margin-bottom: 8px; }
.buy-box__meta {
    display: flex; flex-wrap: wrap; gap: 6px 16px;
    font-size: .8rem; color: var(--kaw-muted);
    padding-bottom: 12px; border-bottom: 1px solid var(--kaw-line);
}
.buy-box__meta a { color: var(--kaw-primary); }
.buy-box__rating { display: inline-flex; align-items: center; gap: 4px; color: var(--kaw-ink); }
.buy-box__rating:hover { color: var(--kaw-primary); }

.buy-box__price-block {
    background: var(--kaw-primary-soft); border-radius: var(--kaw-radius);
    padding: 14px 16px; margin: 14px 0;
}
.buy-box__price { font-size: 1.95rem; font-weight: 800; color: var(--kaw-primary); line-height: 1; }
.buy-box__compare del { font-size: 1rem; color: var(--kaw-muted); }
.buy-box__discount {
    background: var(--kaw-primary); color: #fff; border-radius: 4px;
    padding: 2px 8px; font-size: .8rem; font-weight: 700;
}
.buy-box__saving { font-size: .84rem; color: #15803d; margin-top: 4px; }
.buy-box__range { font-size: .78rem; color: var(--kaw-muted); margin-top: 4px; }

.buy-box__stock { font-size: .87rem; margin-bottom: 12px; }

/* --- Chọn biến thể --- */
.variant-picker { margin-bottom: 14px; }
.variant-axis { margin-bottom: 12px; }
.variant-axis__label { font-size: .84rem; font-weight: 600; margin-bottom: 6px; }
.variant-axis__chosen { font-weight: 400; color: var(--kaw-muted); }
.variant-axis__options { display: flex; flex-wrap: wrap; gap: 8px; }

.variant-option {
    position: relative; display: inline-flex; align-items: center; gap: 6px;
    padding: 8px 14px; border: 1px solid var(--kaw-line); border-radius: 6px;
    background: #fff; font-size: .85rem; color: var(--kaw-ink); cursor: pointer;
    transition: border-color .12s, color .12s;
}
.variant-option:hover { border-color: var(--kaw-primary); color: var(--kaw-primary); }
.variant-option.is-selected {
    border-color: var(--kaw-primary); color: var(--kaw-primary);
    background: var(--kaw-primary-soft); font-weight: 600;
}
.variant-option__check {
    position: absolute; right: -1px; bottom: -1px; font-size: .68rem;
    background: var(--kaw-primary); color: #fff;
    border-radius: 6px 0 4px 0; padding: 0 3px; display: none;
}
.variant-option.is-selected .variant-option__check { display: block; }
.variant-option.is-unavailable {
    opacity: .42; text-decoration: line-through; cursor: not-allowed;
    border-style: dashed;
}
.variant-option.is-unavailable:hover { border-color: var(--kaw-line); color: var(--kaw-ink); }
.variant-option__dot {
    width: 14px; height: 14px; border-radius: 50%; border: 1px solid rgba(0, 0, 0, .15);
}
.variant-picker__message {
    font-size: .82rem; color: var(--kaw-primary);
    background: var(--kaw-primary-soft); border-radius: 6px; padding: 8px 12px;
}

/* --- Box ưu đãi --- */
.promo-box {
    border: 1px solid #fcd34d; border-radius: var(--kaw-radius);
    background: #fffbeb; margin-bottom: 16px; overflow: hidden;
}
.promo-box__header {
    background: #fef3c7; color: #92400e; font-weight: 700;
    font-size: .82rem; padding: 8px 14px; letter-spacing: .3px;
}
.promo-box__list { list-style: none; margin: 0; padding: 10px 14px; font-size: .84rem; }
.promo-box__list li { display: flex; gap: 8px; padding: 3px 0; line-height: 1.45; }
.promo-box__list i { color: #16a34a; flex-shrink: 0; margin-top: 2px; }
.promo-box__highlight { color: var(--kaw-primary); font-weight: 600; }
.promo-box__highlight i { color: var(--kaw-primary); }

/* --- Số lượng + nút mua --- */
.buy-box__actions { display: flex; gap: 14px; align-items: flex-end; flex-wrap: wrap; margin-bottom: 16px; }
.buy-box__qty .form-label { font-size: .82rem; font-weight: 600; margin-bottom: 4px; }
.qty-input { display: inline-flex; border: 1px solid var(--kaw-line); border-radius: 6px; overflow: hidden; }
.qty-input__btn {
    width: 38px; height: 44px; border: 0; background: #f9fafb;
    font-size: 1.1rem; color: var(--kaw-ink);
}
.qty-input__btn:hover { background: var(--kaw-primary-soft); color: var(--kaw-primary); }
.qty-input__field {
    width: 56px; height: 44px; border: 0; border-left: 1px solid var(--kaw-line);
    border-right: 1px solid var(--kaw-line); text-align: center; font-weight: 600;
}
.qty-input__field::-webkit-outer-spin-button,
.qty-input__field::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.qty-input__field { -moz-appearance: textfield; }

.buy-box__buttons { flex: 1 1 280px; display: flex; flex-direction: column; gap: 8px; }
.btn-buy-now {
    background: var(--kaw-primary); color: #fff; border: 0; border-radius: 8px;
    padding: 9px 20px; line-height: 1.25; width: 100%;
}
.btn-buy-now:hover:not(:disabled) { background: var(--kaw-primary-dark); color: #fff; }
.btn-buy-now:disabled { background: #9ca3af; cursor: not-allowed; }
.btn-buy-now strong { display: block; font-size: 1.02rem; letter-spacing: .5px; }
.btn-buy-now small { display: block; font-size: .7rem; opacity: .85; font-weight: 400; }

.buy-box__assurance { list-style: none; margin: 0; padding: 14px 0 0; border-top: 1px solid var(--kaw-line); }
.buy-box__assurance li { display: flex; gap: 8px; font-size: .82rem; color: #4b5563; padding: 3px 0; }
.buy-box__assurance i { color: var(--kaw-primary); flex-shrink: 0; margin-top: 2px; }

/* --- Mô tả ngắn nổi bật --- */
.product-highlight {
    display: flex; gap: 10px; align-items: flex-start;
    background: var(--kaw-bg-soft); border-left: 3px solid var(--kaw-primary);
    border-radius: 6px; padding: 12px 16px; font-size: .88rem; line-height: 1.6;
}
.product-highlight i { color: var(--kaw-primary); font-size: 1.1rem; margin-top: 2px; }

/* --- Menu nhảy nhanh --- */
.product-jumpnav {
    display: flex; gap: 4px; overflow-x: auto;
    border-bottom: 2px solid var(--kaw-line); margin-bottom: 8px;
}
.product-jumpnav a {
    padding: 10px 16px; font-size: .86rem; font-weight: 500;
    color: var(--kaw-ink); white-space: nowrap; border-bottom: 2px solid transparent;
    margin-bottom: -2px;
}
.product-jumpnav a:hover, .product-jumpnav a.is-active {
    color: var(--kaw-primary); border-bottom-color: var(--kaw-primary);
}

/* --- Các khối nội dung --- */
.product-section { padding: 22px 0; border-bottom: 1px solid var(--kaw-line); }
.product-section:last-child { border-bottom: 0; }
.product-section__title { font-size: 1.1rem; font-weight: 700; margin-bottom: 14px; }

.product-description { position: relative; font-size: .92rem; line-height: 1.8; color: #374151; }
.product-description__content { max-height: 420px; overflow: hidden; transition: max-height .3s ease; }
.product-description.is-expanded .product-description__content { max-height: none; }
.product-description__fade {
    position: absolute; left: 0; right: 0; bottom: 0; height: 90px;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0), #fff 85%);
    pointer-events: none;
}
.product-description.is-expanded .product-description__fade { display: none; }
.product-description h2 { font-size: 1.05rem; margin: 18px 0 8px; font-weight: 700; }
.product-description h3 { font-size: .96rem; margin: 16px 0 6px; font-weight: 600; }
.product-description ul, .product-description ol { padding-left: 20px; }
.product-description li { margin-bottom: 4px; }
.product-description table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: .86rem; }
.product-description th, .product-description td { border: 1px solid var(--kaw-line); padding: 8px 10px; }
.product-description th { background: var(--kaw-bg-soft); text-align: left; }
.product-description img { border-radius: 6px; margin: 10px 0; }

/* --- Bảng thông số --- */
.spec-table { width: 100%; border-collapse: collapse; font-size: .88rem; }
.spec-table th, .spec-table td { padding: 10px 14px; border-bottom: 1px solid var(--kaw-line); }
.spec-table th {
    width: 38%; text-align: left; font-weight: 500; color: var(--kaw-muted);
    background: var(--kaw-bg-soft);
}
.spec-table tr:last-child th, .spec-table tr:last-child td { border-bottom: 0; }

/* --- Đánh giá --- */
.review-empty { text-align: center; padding: 28px 16px; color: var(--kaw-muted); }
.review-empty i { font-size: 2.4rem; color: var(--kaw-line); }

.review-summary {
    display: flex; gap: 24px; align-items: center; flex-wrap: wrap;
    background: var(--kaw-bg-soft); border-radius: var(--kaw-radius);
    padding: 18px; margin-bottom: 18px;
}
.review-summary__score { text-align: center; min-width: 120px; }
.review-summary__number { font-size: 2.6rem; font-weight: 800; line-height: 1; color: var(--kaw-primary); }
.review-summary__bars { flex: 1; min-width: 240px; }
.review-bar { display: flex; align-items: center; gap: 10px; margin-bottom: 5px; font-size: .8rem; }
.review-bar__label { width: 44px; white-space: nowrap; }
.review-bar__track { flex: 1; height: 8px; background: #e5e7eb; border-radius: 10px; overflow: hidden; }
.review-bar__fill { height: 100%; background: #facc15; }
.review-bar__count { width: 28px; text-align: right; color: var(--kaw-muted); }

.review-list { list-style: none; padding: 0; margin: 0 0 14px; }
.review-item { padding: 16px 0; border-bottom: 1px solid var(--kaw-line); }
.review-item:last-child { border-bottom: 0; }
.review-item__head { display: flex; gap: 12px; align-items: flex-start; margin-bottom: 8px; }
.review-item__avatar {
    width: 38px; height: 38px; border-radius: 50%; flex-shrink: 0;
    background: var(--kaw-primary-soft); color: var(--kaw-primary);
    display: grid; place-items: center; font-weight: 700; font-size: 1rem;
}
.review-item__author { font-size: .9rem; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.review-item__verified { font-size: .72rem; color: #16a34a; font-weight: 500; }
.review-item__meta { display: flex; gap: 10px; align-items: center; font-size: .78rem; }
.review-item__title { font-weight: 600; font-size: .9rem; margin: 0 0 4px; }
.review-item__content { font-size: .88rem; line-height: 1.7; color: #374151; margin: 0; }
.review-item__images { display: flex; gap: 6px; margin-top: 8px; flex-wrap: wrap; }
.review-item__images img { width: 72px; height: 72px; object-fit: cover; border-radius: 6px; }
.review-item__reply {
    background: var(--kaw-bg-soft); border-radius: 8px;
    padding: 10px 14px; margin-top: 10px; font-size: .85rem;
}
.review-item__reply-head { display: flex; gap: 8px; align-items: center; margin-bottom: 4px; color: var(--kaw-primary); }

.review-form { background: var(--kaw-bg-soft); border-radius: var(--kaw-radius); padding: 18px; }

/* Chấm sao: dùng flex-direction row-reverse để hover sáng từ trái sang */
.star-input { display: inline-flex; flex-direction: row-reverse; gap: 4px; }
.star-input input { display: none; }
.star-input label { font-size: 1.5rem; color: #d1d5db; cursor: pointer; transition: color .12s; }
.star-input label:hover, .star-input label:hover ~ label,
.star-input input:checked ~ label { color: #facc15; }

/* --- Cột phụ --- */
.side-card {
    border: 1px solid var(--kaw-line); border-radius: var(--kaw-radius);
    padding: 16px; margin-bottom: 14px; background: #fff;
}
.side-card__title { font-size: .92rem; font-weight: 700; margin-bottom: 10px; }
.side-card__title i { color: var(--kaw-primary); }
.side-card__list { list-style: none; padding: 0; margin: 0; font-size: .83rem; line-height: 1.6; color: #4b5563; }
.side-card__list li { padding: 8px 0; border-bottom: 1px dashed var(--kaw-line); }
.side-card__list li:last-child { border-bottom: 0; }
.side-card__list strong { color: var(--kaw-ink); }
.side-card__link { font-size: .82rem; color: var(--kaw-primary); display: inline-block; margin-top: 8px; }
.side-card--hotline { background: var(--kaw-primary-soft); border-color: #fecdd3; }

/* --- Thanh mua hàng dính đáy (mobile) --- */
.sticky-buy {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 1035;
    display: flex; gap: 8px; align-items: stretch;
    background: #fff; border-top: 1px solid var(--kaw-line);
    padding: 8px 10px; box-shadow: 0 -2px 12px rgba(0, 0, 0, .08);
}
.sticky-buy__call, .sticky-buy__cart {
    flex: 0 0 56px; display: flex; flex-direction: column; align-items: center;
    justify-content: center; gap: 2px; font-size: .62rem;
    border: 1px solid var(--kaw-line); border-radius: 8px;
    background: #fff; color: var(--kaw-ink);
}
.sticky-buy__call i, .sticky-buy__cart i { font-size: 1.15rem; color: var(--kaw-primary); }
.sticky-buy__buy {
    flex: 1; border: 0; border-radius: 8px; background: var(--kaw-primary);
    color: #fff; font-weight: 700; font-size: .92rem; padding: 10px;
}
.sticky-buy__buy:disabled { background: #9ca3af; }

/* Khi có thanh mua hàng thì bottom-nav và nút liên hệ nổi phải tránh ra */
body.has-sticky-buy .bottom-nav { display: none !important; }
body.has-sticky-buy .floating-contact { bottom: 80px; }
@media (max-width: 991.98px) {
    body.has-sticky-buy { padding-bottom: 72px; }
}

/* =====================================================================
   PHASE 5: GIỎ HÀNG - THANH TOÁN - ĐƠN HÀNG
   ===================================================================== */

/* ---- Giỏ hàng ---- */
.cart-empty__icon { font-size: 4rem; color: #cbd5e1; }
.cart-list { background: #fff; border: 1px solid var(--kaw-line); border-radius: var(--kaw-radius); }
.cart-line {
    display: grid; grid-template-columns: 88px 1fr auto; gap: 14px;
    padding: 14px; border-bottom: 1px solid var(--kaw-line); transition: opacity .15s;
}
.cart-line:last-child { border-bottom: 0; }
.cart-line.is-busy { opacity: .5; pointer-events: none; }
.cart-line--issue { background: #fff7f7; }
.cart-line__img img { width: 88px; height: 88px; object-fit: contain; border: 1px solid var(--kaw-line); border-radius: 8px; background: #fff; }
.cart-line__name { color: var(--kaw-ink); font-weight: 600; line-height: 1.35; display: block; }
.cart-line__name:hover { color: var(--kaw-primary); }
.cart-line__price { margin-top: 4px; }
.cart-line__issue { color: var(--kaw-primary); }
.cart-line__side { display: flex; flex-direction: column; align-items: flex-end; gap: 6px; min-width: 128px; }
.cart-line__subtotal { font-weight: 700; }

.cart-summary, .checkout-summary {
    position: sticky; top: calc(var(--kaw-header-h) + 12px);
    background: #fff; border: 1px solid var(--kaw-line); border-radius: var(--kaw-radius);
    padding: 16px; box-shadow: var(--kaw-shadow);
}
.cart-summary__rows { margin: 0 0 14px; }
.cart-summary__rows > div { display: flex; justify-content: space-between; gap: 12px; padding: 5px 0; }
.cart-summary__rows dt { font-weight: 400; }
.cart-summary__rows dd { margin: 0; text-align: right; }
.cart-summary__total { border-top: 1px dashed var(--kaw-line); margin-top: 6px; padding-top: 10px !important; }
.cart-summary__total dt { font-weight: 700; }
.cart-summary__total dd { font-size: 1.25rem; font-weight: 700; color: var(--kaw-primary); }
.cart-summary__assure { list-style: none; padding: 0; display: grid; gap: 4px; }
.cart-summary__assure i { color: #16a34a; margin-right: 4px; }
.coupon-applied {
    display: flex; justify-content: space-between; align-items: center; gap: 10px;
    padding: 10px 12px; border: 1px dashed #16a34a; border-radius: 8px; background: #f0fdf4;
}

@media (max-width: 575.98px) {
    .cart-line { grid-template-columns: 72px 1fr; }
    .cart-line__img img { width: 72px; height: 72px; }
    .cart-line__side { grid-column: 1 / -1; flex-direction: row; align-items: center; justify-content: space-between; }
    .cart-summary, .checkout-summary { position: static; }
}

/* ---- Thanh toán ---- */
.checkout-card {
    background: #fff; border: 1px solid var(--kaw-line); border-radius: var(--kaw-radius);
    padding: 16px; margin-bottom: 16px;
}
.checkout-card__title { font-size: 1rem; font-weight: 700; margin: 0 0 14px; display: flex; align-items: center; gap: 10px; }
.checkout-card__title span {
    width: 26px; height: 26px; border-radius: 50%; background: var(--kaw-primary); color: #fff;
    display: inline-flex; align-items: center; justify-content: center; font-size: .82rem;
}
.choice {
    display: flex; align-items: flex-start; gap: 10px; padding: 11px 12px; margin-bottom: 8px;
    border: 1px solid var(--kaw-line); border-radius: 8px; cursor: pointer;
}
.choice:has(input:checked) { border-color: var(--kaw-primary); background: var(--kaw-primary-soft); }
.choice input { margin-top: 4px; accent-color: var(--kaw-primary); }
.checkout-items { list-style: none; padding: 0; margin: 0 0 12px; max-height: 280px; overflow: auto; }
.checkout-items li { display: flex; gap: 10px; align-items: center; padding: 8px 0; border-bottom: 1px solid var(--kaw-line); }
.checkout-items img { object-fit: contain; border: 1px solid var(--kaw-line); border-radius: 6px; flex-shrink: 0; }
.checkout-items__name { flex: 1; font-size: .88rem; line-height: 1.35; }
.checkout-items__price { font-weight: 600; white-space: nowrap; font-size: .9rem; }

/* ---- Thành công + chi tiết đơn ---- */
.success-icon {
    width: 68px; height: 68px; border-radius: 50%; background: #16a34a; color: #fff;
    display: inline-flex; align-items: center; justify-content: center; font-size: 2.2rem;
}
.bank-box { border: 1px dashed var(--kaw-primary); background: var(--kaw-primary-soft); border-radius: 8px; padding: 12px 14px; }
.order-items img { object-fit: contain; border: 1px solid var(--kaw-line); border-radius: 6px; }
.order-timeline { list-style: none; margin: 0 0 16px; padding: 0 0 0 18px; border-left: 2px solid var(--kaw-line); }
.order-timeline li { position: relative; padding: 0 0 12px 14px; }
.order-timeline li::before {
    content: ''; position: absolute; left: -25px; top: 5px; width: 12px; height: 12px;
    border-radius: 50%; background: #16a34a; border: 2px solid #fff; box-shadow: 0 0 0 1px #16a34a;
}
.order-timeline li.is-bad::before { background: var(--kaw-primary); box-shadow: 0 0 0 1px var(--kaw-primary); }

/* ---- Danh sách đơn hàng của tôi ---- */
.order-tabs { display: flex; gap: 6px; overflow-x: auto; padding-bottom: 4px; }
.order-tabs__tab {
    white-space: nowrap; padding: 6px 14px; border: 1px solid var(--kaw-line); border-radius: 999px;
    color: var(--kaw-ink); font-size: .86rem; background: #fff;
}
.order-tabs__tab.is-active { background: var(--kaw-primary); border-color: var(--kaw-primary); color: #fff; }
.order-card {
    display: block; color: inherit; background: #fff; border: 1px solid var(--kaw-line);
    border-radius: var(--kaw-radius); padding: 12px 14px; margin-bottom: 10px;
}
.order-card:hover { border-color: var(--kaw-primary); box-shadow: var(--kaw-shadow); color: inherit; }
.order-card__head { display: flex; align-items: center; gap: 6px; margin-bottom: 8px; }
.order-card__body { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.order-card__thumbs { display: flex; align-items: center; gap: 6px; }
.order-card__thumbs img { object-fit: contain; border: 1px solid var(--kaw-line); border-radius: 6px; }

/* =====================================================================
   PHASE 6: TÀI KHOẢN KHÁCH HÀNG
   ===================================================================== */
.auth-card {
    max-width: 440px; margin: 0 auto; background: #fff; border: 1px solid var(--kaw-line);
    border-radius: var(--kaw-radius); padding: 28px 24px; box-shadow: var(--kaw-shadow);
}
.account-nav {
    background: #fff; border: 1px solid var(--kaw-line); border-radius: var(--kaw-radius);
    padding: 10px; position: sticky; top: calc(var(--kaw-header-h) + 12px);
}
.account-nav__user { display: flex; align-items: center; gap: 10px; padding: 8px 8px 12px; border-bottom: 1px solid var(--kaw-line); margin-bottom: 6px; }
.account-nav__avatar {
    width: 40px; height: 40px; border-radius: 50%; background: var(--kaw-primary-soft); color: var(--kaw-primary);
    display: inline-flex; align-items: center; justify-content: center; font-weight: 700; flex-shrink: 0;
}
.account-nav__link {
    display: flex; align-items: center; gap: 10px; padding: 9px 10px; border-radius: 8px;
    color: var(--kaw-ink); font-size: .92rem;
}
.account-nav__link:hover { background: var(--kaw-bg-soft); color: var(--kaw-ink); }
.account-nav__link.is-active { background: var(--kaw-primary-soft); color: var(--kaw-primary); font-weight: 600; }
.account-nav__link i { width: 18px; text-align: center; }
.min-w-0 { min-width: 0; }
@media (max-width: 991.98px) {
    .account-nav { position: static; display: flex; flex-wrap: wrap; gap: 4px; }
    .account-nav__user { width: 100%; }
    .account-nav form { margin: 0 !important; }
}
.stat-tile {
    display: block; background: #fff; border: 1px solid var(--kaw-line); border-radius: var(--kaw-radius);
    padding: 12px 14px; color: var(--kaw-muted); font-size: .82rem; height: 100%;
}
a.stat-tile:hover { border-color: var(--kaw-primary); color: var(--kaw-muted); }
.stat-tile__n { display: block; font-size: 1.35rem; font-weight: 700; color: var(--kaw-ink); line-height: 1.2; }
.address-card {
    display: flex; gap: 12px; align-items: flex-start; flex-wrap: wrap; background: #fff;
    border: 1px solid var(--kaw-line); border-radius: var(--kaw-radius); padding: 14px; margin-bottom: 10px;
}
.address-card.is-default { border-color: var(--kaw-primary); background: var(--kaw-primary-soft); }
.address-card__actions { display: flex; gap: 6px; flex-wrap: wrap; }
.product-card__wish.is-active { color: var(--kaw-primary); }