/* Mọi màu/font/bo góc lấy từ CSS variables của skin (in inline sau file này). Giá trị dưới là mặc định. */
:root {
  --c-bg: #ffffff; --c-surface: #ffffff; --c-text: #1a1a1a; --c-muted: #555555;
  --c-primary: #1d4ed8; --c-accent: #b45309; --c-border: #e5e5e5;
  --f-head: system-ui, sans-serif; --f-body: system-ui, sans-serif;
  --radius: 10px; --shadow: 0 2px 8px rgba(0,0,0,.08);
  --c-on-primary: #ffffff; --pattern: none; --ornament: none;
  /* Ngoại lệ ghi trong CLAUDE.md: màu chữ/lớp phủ trên ảnh không phụ thuộc skin (ảnh luôn tối sau scrim). */
  --c-on-image: #ffffff; --c-image-bg: #1a1a1a; --scrim-0: rgba(0, 0, 0, 0); --scrim-1: rgba(0, 0, 0, .6); --scrim-2: rgba(0, 0, 0, .85); --text-shadow-image: 0 1px 2px rgba(0, 0, 0, .6);
  --wrap: 1200px; --wrap-narrow: 760px; --gap: clamp(16px, 2.5vw, 28px);
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--c-bg); color: var(--c-text); font: 400 17px/1.65 var(--f-body); }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--c-primary); text-decoration-thickness: 1px; text-underline-offset: 3px; }
:focus-visible { outline: 2px solid currentColor; outline-offset: 2px; }
.header--bold-bar :focus-visible { outline-color: var(--c-on-primary); }
.card:focus-within { outline: 2px solid var(--c-primary); outline-offset: 2px; }
h1, h2, h3 { font-family: var(--f-head); line-height: 1.25; margin: 0 0 .5em; }
.screen-reader-text { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip-link { position: absolute; left: -9999px; }
.skip-link:focus { left: 16px; top: 16px; z-index: 100; background: var(--c-surface); padding: 8px 12px; }
.wrap { width: min(100% - 32px, var(--wrap)); margin-inline: auto; }
.wrap--narrow { width: min(100% - 32px, var(--wrap-narrow)); }
.icon-btn { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border: 0; background: none; color: inherit; border-radius: var(--radius); cursor: pointer; }
.icon-btn:hover { background: color-mix(in srgb, var(--c-primary) 10%, transparent); }
.kit-btn, .comment-form .form-submit input[type="submit"] { display: inline-block; padding: 10px 18px; border: 0; border-radius: var(--radius); background: var(--c-primary); color: var(--c-on-primary); font-weight: 600; text-decoration: none; cursor: pointer; }

/* Header chung */
.site-header { position: relative; background: var(--c-surface); border-bottom: 1px solid var(--c-border); }
.site-header::before { content: ""; position: absolute; inset: 0; background: var(--pattern) repeat; opacity: .07; pointer-events: none; z-index: 0; }
.site-header > * { position: relative; z-index: 1; }
.site-title { font: 800 26px/1 var(--f-head); color: var(--c-text); text-decoration: none; }
.custom-logo { max-height: 56px; width: auto; }
.site-nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 4px 20px; }
.site-nav a { color: var(--c-text); text-decoration: none; font-weight: 600; padding: 8px 0; display: block; }
.site-nav a:hover, .site-nav .current-menu-item > a { color: var(--c-primary); }
.site-nav li { position: relative; }
.site-nav .sub-menu { display: none; }
.site-nav li:hover > .sub-menu, .site-nav li:focus-within > .sub-menu, .site-nav li.is-open > .sub-menu { display: block; position: absolute; top: 100%; left: 0; min-width: 200px; background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 8px 12px; z-index: 20; list-style: none; }
.site-nav li.is-dismissed > .sub-menu { display: none; }
.site-nav li.is-flip > .sub-menu, .site-nav > ul > li:last-child > .sub-menu { left: auto; right: 0; }
.site-nav .sub-menu ul, .site-nav ul.sub-menu { flex-direction: column; gap: 0; }
.site-nav .sub-menu a { white-space: nowrap; font-weight: 500; }
/* Nút mở/đóng menu con do JS thêm (cạnh liên kết cha); không có JS thì không có nút */
.site-nav .menu-item-has-children { display: flex; flex-wrap: wrap; align-items: center; }
.site-nav .menu-item-has-children > .sub-menu { flex-basis: 100%; }
.sub-toggle { appearance: none; background: none; border: 0; padding: 4px; margin-left: 2px; color: inherit; cursor: pointer; line-height: 0; }
.sub-toggle::before { content: ""; display: block; width: 7px; height: 7px; border-right: 2px solid currentColor; border-bottom: 2px solid currentColor; transform: rotate(45deg) translateY(-2px); }
.sub-toggle[aria-expanded="true"]::before { transform: rotate(-135deg); }
.sub-toggle:focus-visible { outline: 2px solid var(--c-primary); outline-offset: 2px; }
.search-form { display: flex; align-items: center; gap: 4px; }
.search-form__input { padding: 8px 12px; border: 1px solid var(--c-border); border-radius: var(--radius); background: var(--c-bg); color: var(--c-text); font: inherit; min-width: 0; }
.header__menu { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
/* Icon tài khoản + nút do plugin thêm (kit_theme_header_actions, ví dụ giỏ hàng) */
.header__actions { display: flex; align-items: center; gap: 4px; }
.kit-cart-link { position: relative; }
.kit-cart-link__label { display: none; }
.kit-cart-count { position: absolute; top: 0; right: -2px; min-width: 18px; height: 18px; padding: 0 5px; border-radius: 9px; background: var(--c-accent); color: var(--c-on-primary); font: 700 11px/18px var(--f-body); text-align: center; }
.kit-cart-count[hidden] { display: none; }
.js-nav-toggle { display: none; }

/* center-logo */
.header--center-logo .header__top { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; padding: 18px 0 8px; }
.header--center-logo .brand { text-align: center; justify-self: center; }
.header--center-logo .header__menu { justify-content: center; padding-bottom: 12px; }
.header--center-logo .header__top .js-nav-toggle { display: inline-flex; visibility: hidden; justify-self: start; }
.header--center-logo .header__top > .header__actions { justify-self: end; }

/* left-logo-nav */
.header--left-logo-nav .header__row { display: flex; align-items: center; gap: 24px; min-height: 68px; }
.header--left-logo-nav .header__menu { flex: 1; }

/* magazine-strip */
.header--magazine-strip .header__strip { background: var(--c-text); color: var(--c-bg); font-size: 14px; }
.header--magazine-strip .header__strip a { color: inherit; text-decoration: none; display: inline-flex; align-items: center; gap: 6px; }
.header--magazine-strip .header__strip-inner { display: flex; justify-content: space-between; align-items: center; min-height: 36px; }
.header--magazine-strip .header__strip .icon { width: 16px; height: 16px; }
.header--magazine-strip .header__strip .header__actions { gap: 16px; }
.header--magazine-strip .header__strip .kit-cart-link { width: auto; height: auto; border-radius: 0; }
.header--magazine-strip .header__strip .kit-cart-link:hover { background: none; }
.header--magazine-strip .header__strip .kit-cart-link__label { display: inline; }
.header--magazine-strip .header__strip .kit-cart-count { position: static; }
.header--magazine-strip .header__brand-row { display: flex; justify-content: space-between; align-items: center; padding: 22px 0; }
.brand--large .site-title { font-size: clamp(30px, 5vw, 48px); letter-spacing: -.02em; }
.header--magazine-strip .header__band { border-top: 3px solid var(--c-primary); background: var(--c-bg); }

/* bold-bar */
.header--bold-bar { border-bottom: 0; }
.header--bold-bar::before { display: none; }
.header--bold-bar .header__bar { background: var(--c-primary); color: var(--c-on-primary); position: relative; }
.header--bold-bar .header__bar::before { content: ""; position: absolute; inset: 0; background: var(--pattern) repeat; opacity: .12; pointer-events: none; }
.header--bold-bar .header__bar-inner { position: relative; }
.header--bold-bar .header__bar-inner { display: flex; align-items: center; gap: 24px; min-height: 64px; }
.header--bold-bar .site-title, .header--bold-bar .site-nav > ul > li > a, .header--bold-bar .icon-btn { color: var(--c-on-primary); }
.header--bold-bar .site-nav > ul > li > a:hover, .header--bold-bar .site-nav > ul > li.current-menu-item > a, .header--bold-bar .site-nav > ul > li.current-menu-ancestor > a { color: var(--c-on-primary); text-decoration: underline; }
.header--bold-bar .site-nav .sub-menu a, .header--bold-bar .site-nav .sub-menu .current-menu-item > a { color: var(--c-text); background: var(--c-surface); }
.header--bold-bar .site-nav .sub-menu a:hover { color: var(--c-primary); }
.header--bold-bar .icon-btn:hover { background: color-mix(in srgb, var(--c-on-primary) 18%, transparent); }
.header--bold-bar .header__menu { flex: 1; }
.header--bold-bar .search-form__input { background: var(--c-surface); color: var(--c-text); border-color: transparent; }

/* stacked */
.header--stacked .site-title { overflow-wrap: anywhere; }
.header--stacked .header__stack { display: grid; grid-template-columns: minmax(0, 1fr) auto auto; align-items: end; gap: 8px 12px; padding: 28px 0 12px; }
.header--stacked .header__tagline { grid-column: 1; margin: 0; color: var(--c-muted); }
.header--stacked .brand { grid-column: 1; }
.header--stacked .header__account { grid-row: 1; grid-column: 2; }
.header--stacked .js-nav-toggle { grid-row: 1; grid-column: 3; }
.header--stacked .header__menu--rule { border-top: 2px solid var(--c-text); justify-content: flex-start; padding: 6px 0; }

/* Section, card, grid */
.section-title { display: flex; align-items: center; gap: 10px; font-size: 22px; margin: 36px 0 16px; }
.section-title::before { content: ""; width: 22px; height: 22px; background: var(--ornament) center / contain no-repeat, var(--c-accent); border-radius: calc(var(--radius) * 2); flex: none; }
.section-title a { color: inherit; text-decoration: none; }
.grid { display: grid; gap: var(--gap); }
.grid--3 { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.grid--4 { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
.card { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); display: flex; flex-direction: column; }
.card__media img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.card__body { padding: 14px 16px 18px; }
.card__title { font-size: 18px; margin: 4px 0 6px; }
.card__title a { color: var(--c-text); text-decoration: none; }
.card__title a:hover { color: var(--c-primary); }
.card__excerpt { color: var(--c-muted); font-size: 15px; margin: 0; }
.meta { color: var(--c-muted); font-size: 14px; margin: 0; }
.meta__cat { color: var(--c-accent); font-weight: 600; text-decoration: none; }
.home-hero__grid { display: grid; gap: var(--gap); grid-template-columns: 2fr 1fr; grid-template-rows: auto auto; }
.home-hero__grid .card--lead { grid-row: span 2; }
.card--lead .card__title { font-size: clamp(22px, 3vw, 30px); }
.card--lead .card__media img { aspect-ratio: 16 / 9; }
.list { display: grid; gap: 14px; }
.card--row { flex-direction: row; }
.card--row .card__media { flex: 0 0 34%; }

/* ô nhập (sẵn sàng nền tối) */
.comment-form input[type=text], .comment-form input[type=email], .comment-form input[type=url], .comment-form textarea, select { background: var(--c-surface); color: var(--c-text); border: 1px solid var(--c-border); border-radius: var(--radius); font: inherit; padding: 8px 12px; max-width: 100%; }

/* bình luận */
.comment-form label { display: block; margin-bottom: 4px; }
.comment-form p { margin: 0 0 14px; }
.comment-list { list-style: none; margin: 0 0 24px; padding: 0; }
.comment-list .children { list-style: none; margin: 0; padding-left: clamp(12px, 4vw, 32px); }
.comment-list .comment-body { padding: 14px 0; border-top: 1px solid var(--c-border); }
.comment-list .comment-author { display: flex; align-items: center; gap: 10px; font-weight: 600; }
.comment-list .comment-author .avatar { border-radius: 50%; width: 40px; height: 40px; }
.comment-list .comment-metadata { font-size: 14px; color: var(--c-muted); margin: 2px 0 8px; }
.comment-list .comment-metadata a { color: var(--c-muted); }
.comment-list .comment-content p { margin: 0 0 .6em; }

/* kiểu card (body.card-*) */
.card-flat .card { background: transparent; border: 0; border-bottom: 1px solid var(--c-border); border-radius: 0; box-shadow: none; }
.card-flat .card__body { padding: 12px 0 16px; }
.card-flat .card--row .card__body { padding-left: 16px; }
/* card overlay: hàng (.card--row) trên mobile thu về hàng gọn bình thường nên chỉ áp overlay cho hàng từ 861px */
.card-overlay .card.card--has-media:not(.card--row) { position: relative; min-height: 240px; color: var(--c-on-image); background-color: var(--c-image-bg); }
.card-overlay .card.card--has-media:not(.card--row) .card__media, .card-overlay .card.card--has-media:not(.card--row) .card__media img { height: 100%; }
.card-overlay .card.card--has-media:not(.card--row) .card__media { position: absolute; inset: 0; }
.card-overlay .card.card--has-media:not(.card--row) .card__media img { object-fit: cover; aspect-ratio: auto; }
.card-overlay .card.card--has-media:not(.card--row) .card__body { position: relative; margin-top: auto; padding: 64px 16px 16px; background: linear-gradient(var(--scrim-0), var(--scrim-1) 35%, var(--scrim-2)); }
.card-overlay .card.card--has-media:not(.card--row) .card__title { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.card-overlay .card.card--has-media:not(.card--row) .card__title a, .card-overlay .card.card--has-media:not(.card--row) .meta, .card-overlay .card.card--has-media:not(.card--row) .meta a, .card-overlay .card.card--has-media:not(.card--row) .meta__cat { color: var(--c-on-image); text-shadow: var(--text-shadow-image); }
.card-overlay .card.card--has-media:not(.card--row) .card__excerpt { display: none; }
.card-overlay .card.card--lead.card--has-media { min-height: max(100%, 240px); }
/* Trang sản phẩm (shop) */
.product__grid { display: grid; gap: 24px; margin: 16px 0 32px; }
.product__summary .entry__title { margin-top: 0; }
.product__short { color: var(--c-muted); }
.kit-price { display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px; margin: 12px 0; }
.kit-price__now { font: 700 1.6rem/1.2 var(--f-head); color: var(--c-primary); }
.kit-price del { color: var(--c-muted); }
.kit-price__off { padding: 2px 8px; border-radius: var(--radius); background: var(--c-accent); color: var(--c-on-primary); font-weight: 600; font-size: .85rem; }
.kit-gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin: 8px 0 0; padding: 0; list-style: none; }
.kit-gallery img { width: 100%; height: auto; border-radius: var(--radius); }
.kit-buy { font-size: 1.05rem; padding: 12px 28px; }
.kit-buy:disabled { opacity: .55; cursor: not-allowed; }
.kit-btn--outline { background: transparent; color: var(--c-primary); box-shadow: inset 0 0 0 2px var(--c-primary); }
.kit-btn--outline:hover { background: color-mix(in srgb, var(--c-primary) 10%, transparent); }
.product__actions { display: flex; flex-wrap: wrap; gap: 12px; }
.kit-add { font-size: 1.05rem; padding: 12px 28px; }
@media (min-width: 861px) {
  .product__grid { grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); align-items: start; }
  .card-overlay .card.card--row.card--has-media { position: relative; min-height: 240px; color: var(--c-on-image); background-color: var(--c-image-bg); }
  .card-overlay .card.card--row.card--has-media .card__media, .card-overlay .card.card--row.card--has-media .card__media img { height: 100%; }
  .card-overlay .card.card--row.card--has-media .card__media { position: absolute; inset: 0; }
  .card-overlay .card.card--row.card--has-media .card__media img { object-fit: cover; aspect-ratio: auto; }
  .card-overlay .card.card--row.card--has-media .card__body { position: relative; margin-top: auto; padding: 64px 16px 16px; background: linear-gradient(var(--scrim-0), var(--scrim-1) 35%, var(--scrim-2)); }
  .card-overlay .card.card--row.card--has-media .card__title { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
  .card-overlay .card.card--row.card--has-media .card__title a, .card-overlay .card.card--row.card--has-media .meta, .card-overlay .card.card--row.card--has-media .meta a, .card-overlay .card.card--row.card--has-media .meta__cat { color: var(--c-on-image); text-shadow: var(--text-shadow-image); }
  .card-overlay .card.card--row.card--has-media .card__excerpt { display: none; }
  .card-overlay .card.card--row.card--has-media { flex-direction: column; }
}

/* ranked-list */
.ranked { list-style: none; counter-reset: rank; padding: 0; margin: 0; display: grid; gap: 14px; }
.ranked__item { counter-increment: rank; display: grid; grid-template-columns: 3.2rem 1fr; align-items: start; gap: 12px; }
.ranked__item::before { content: counter(rank) / ""; font: 900 2.6rem/1 var(--f-head); color: var(--c-primary); text-align: right; }

/* mosaic */
.mosaic { display: grid; gap: var(--gap); grid-template-columns: minmax(0, 2fr) minmax(0, 1fr) minmax(0, 1fr); grid-auto-rows: minmax(160px, auto); grid-auto-flow: dense; }
.mosaic__lead { grid-row: span 2; }
.mosaic--n3 { grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); }
.mosaic--n4 .mosaic__item:last-child { grid-column: span 2; }
.mosaic--n1, .mosaic--n2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.mosaic--n1 { grid-template-columns: minmax(0, 1fr); }
.mosaic--n1 .mosaic__lead, .mosaic--n2 .mosaic__lead { grid-row: auto; }
.mosaic--n3 .mosaic__lead { grid-row: span 2; }

/* Bài viết / trang */
.breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; padding: 0; margin: 20px 0 8px; font-size: 14px; color: var(--c-muted); }
.breadcrumb li + li::before { content: "›"; margin-right: 6px; }
.breadcrumb a { color: var(--c-muted); }
.page-head { margin: 8px 0 20px; }
.page-title, .entry__title { font-size: clamp(28px, 4vw, 40px); }
.entry__media img { border-radius: var(--radius); margin: 16px 0 24px; }
.entry__content { font-size: 18px; }
.entry__content h2 { margin-top: 1.6em; }
.entry__content blockquote { margin: 1.5em 0; padding: 4px 20px; border-left: 4px solid var(--c-accent); color: var(--c-muted); }
.kit-rating { margin: 0 0 1em; color: var(--c-muted); font-size: 15px; }
.kit-rating__stars { color: var(--c-accent); letter-spacing: 2px; }
.entry__tags { color: var(--c-muted); font-size: 15px; }
.entry__content pre, .entry__content table { display: block; overflow-x: auto; max-width: 100%; }
.entry__content iframe, .entry__content video { max-width: 100%; }
.pagination .nav-links { display: flex; gap: 8px; flex-wrap: wrap; margin: 28px 0; }
.page-numbers { padding: 6px 12px; border: 1px solid var(--c-border); border-radius: var(--radius); text-decoration: none; }
.page-numbers.current { background: var(--c-primary); color: var(--c-on-primary); border-color: var(--c-primary); }
.notfound { padding: 48px 0; }

/* Tài khoản */
.kit-account--guest { max-width: 420px; margin: 24px 0; padding: 20px; background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius); }
.kit-btn--google { display: inline-flex; align-items: center; gap: 10px; background: #fff; color: #1f1f1f; border: 1px solid #747775; }
.kit-btn--google:hover, .kit-btn--google:focus-visible { background: #f2f2f2; }
.kit-account__avatar { border-radius: 50%; display: block; margin-bottom: 8px; }
.kit-notice--error { padding: 10px 14px; border-radius: var(--radius); border: 1px solid color-mix(in srgb, var(--c-border) 50%, #c62828); border-left-width: 4px; background: color-mix(in srgb, var(--c-surface) 88%, #c62828); color: var(--c-text); }

/* Thông báo thành công (cùng khung với .kit-notice--error, chỉ biến skin) */
.kit-notice--success { padding: 10px 14px; border-radius: var(--radius); border: 1px solid var(--c-border); border-left: 4px solid var(--c-primary); background: var(--c-surface); color: var(--c-text); }

/* Form liên hệ [kit_contact_form]: ô nhập cùng kiểu .kit-form của shop */
.kit-contact { max-width: 640px; margin: 24px 0; }
.kit-contact__field { margin: 0 0 16px; }
.kit-contact label { display: block; margin-bottom: 4px; font-weight: 600; }
.kit-contact input, .kit-contact textarea { box-sizing: border-box; width: 100%; padding: 10px 12px; border: 1px solid var(--c-border); border-radius: var(--radius); background: var(--c-bg); color: var(--c-text); font: inherit; }
.kit-contact textarea { min-height: 160px; resize: vertical; }
.kit-contact [aria-invalid="true"] { border: 2px solid var(--c-text); }
.kit-contact__req { color: var(--c-muted); font-weight: 400; }
.kit-contact__error { display: block; margin-top: 4px; padding-left: 8px; border-left: 3px solid var(--c-text); font-size: .9rem; }
.kit-contact__status:empty { display: none; }
.kit-contact__status { margin-bottom: 16px; }
/* contact.js chuyển focus vào đây sau khi gửi: khách dùng bàn phím phải thấy mình đang đứng ở đâu. */
.kit-contact__status:focus { outline: 2px solid var(--c-text); outline-offset: 4px; }
.kit-contact__hp { position: absolute !important; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.kit-contact .kit-btn:disabled { opacity: .7; cursor: progress; }
.kit-account__nav { display: flex; gap: 16px; margin: 12px 0; }
.kit-account__section { padding: 16px 0; border-top: 1px solid var(--c-border); }

/* Footer */
.site-footer { margin-top: 56px; background: var(--c-surface); border-top: 1px solid var(--c-border); position: relative; }
.site-footer::before { content: ""; position: absolute; inset: 0; background: var(--pattern) repeat; opacity: .05; pointer-events: none; z-index: 0; }
.site-footer > * { position: relative; z-index: 1; }
.footer__grid { display: grid; gap: var(--gap); grid-template-columns: 2fr repeat(auto-fit, minmax(160px, 1fr)); padding: 36px 0; }
.footer__title { font-size: 16px; }
.footer__col ul, .footer__bottom ul { list-style: none; padding: 0; margin: 0; }
.footer__col li { margin: 6px 0; }
.footer__col a, .footer__bottom a, .footer__social a { color: var(--c-muted); text-decoration: none; margin-right: 12px; }
.footer__social { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; list-style: none; margin: 12px 0 0; padding: 0; }
.footer__social a { margin-right: 0; }
.footer__social-icon { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border: 1px solid var(--c-border); border-radius: 50%; }
.footer__social-icon .icon { width: 20px; height: 20px; }
.footer__social-icon:hover, .footer__social-icon:focus-visible { color: var(--c-primary); border-color: var(--c-primary); }
.footer__bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; padding: 16px 0 28px; border-top: 1px solid var(--c-border); color: var(--c-muted); font-size: 14px; }
.footer__bottom ul { display: flex; gap: 16px; }

/* Mobile */
@media (max-width: 860px) {
  .js-nav-toggle { display: inline-flex; }
  .header--center-logo .header__top .js-nav-toggle { visibility: visible; }
  .header__menu { display: none; flex-direction: column; align-items: stretch; padding: 12px 0; }
  .header__menu.is-open { display: flex; }
  .header--left-logo-nav .header__row { flex-wrap: wrap; justify-content: space-between; }
  .header--left-logo-nav .header__menu { flex-basis: 100%; order: 3; }
  .site-nav ul { flex-direction: column; }
  .sub-toggle { display: none; }
  .site-nav li.is-dismissed > .sub-menu { display: block; }
  .site-nav .sub-menu, .site-nav li:hover > .sub-menu, .site-nav li:focus-within > .sub-menu, .site-nav li.is-open > .sub-menu { display: block; position: static; padding: 0 0 0 16px; border: 0; box-shadow: none; min-width: 0; background: none; }
  .no-js .header__menu { display: flex; }
  .no-js .js-nav-toggle, .no-js .header--center-logo .header__top .js-nav-toggle { display: none; }
  .home-hero__grid { grid-template-columns: 1fr; }
  .home-hero__grid .card--lead { grid-row: auto; }
  .card--row { flex-direction: column; }
  .card-overlay .card--row { flex-direction: row; }
  .card-overlay .card--row .card__media { flex: 0 0 34%; }
  .ranked .card--row { flex-direction: row; }
  .ranked .card--row .card__media { flex: 0 0 96px; }
  .ranked .card--row .card__body, .card-flat .ranked .card--row .card__body { padding: 8px 0 8px 12px; }
  .card-flat .card--row .card__body { padding-left: 0; }
  .header--bold-bar .header__bar-inner { flex-wrap: wrap; justify-content: space-between; }
  /* Logo co lại để icon tài khoản + giỏ vẫn nằm cùng hàng với nút menu ở 375px */
  .header--left-logo-nav .header__row, .header--bold-bar .header__bar-inner { column-gap: 8px; }
  .header--left-logo-nav .brand, .header--bold-bar .brand { flex: 1 1 0; min-width: 0; overflow-wrap: anywhere; }
  .header--bold-bar .header__menu { flex-basis: 100%; order: 3; }
  .header--bold-bar .site-nav .sub-menu a, .header--bold-bar .site-nav .sub-menu .current-menu-item > a, .header--bold-bar .site-nav .sub-menu a:hover { color: var(--c-on-primary); background: none; }
  .no-js .header--stacked .header__stack { grid-template-columns: 1fr auto; }
  .mosaic, .mosaic--n2, .mosaic--n3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .mosaic--n1 { grid-template-columns: minmax(0, 1fr); }
  .mosaic .mosaic__lead { grid-row: auto; grid-column: 1 / -1; }
  .ranked__item { grid-template-columns: 2.2rem 1fr; }
  .ranked__item::before { font-size: 1.8rem; }
  .footer__grid { grid-template-columns: 1fr; }
}

/* Danh sách sản phẩm */
.product-grid { grid-template-columns: repeat(auto-fill, minmax(min(100%, 240px), 1fr)); }
.product-card { display: flex; flex-direction: column; background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
.product-card__media { display: block; }
.product-card__media img { display: block; width: 100%; height: auto; }
.product-card__body { display: flex; flex-direction: column; flex: 1; gap: 4px; padding: 14px; }
.product-card__title { margin: 0; font: 700 1.05rem/1.35 var(--f-head); }
.product-card__title a { color: inherit; text-decoration: none; }
.product-card .kit-price { margin: 4px 0; }
.product-card .kit-price__now { font-size: 1.25rem; }
.product-card__excerpt { margin: 0; color: var(--c-muted); font-size: .9rem; }
.product-card__buy { display: flex; flex-wrap: wrap; gap: 8px; margin-top: auto; padding-top: 10px; }
.product-card__buy .kit-buy, .product-card__buy .kit-add { width: 100%; padding: 10px 16px; font-size: 1rem; }
@media (min-width: 600px) { .product-card__buy .kit-buy, .product-card__buy .kit-add { width: auto; } }
.kit-rating__half { color: transparent; background: linear-gradient(90deg, var(--c-accent) 50%, var(--c-border) 50%); -webkit-background-clip: text; background-clip: text; }
.related { margin-bottom: 40px; }
.comments { margin-top: 40px; }
.comment-reply-title { margin: 0 0 16px; }
.comment-form-cookies-consent { display: flex; align-items: baseline; gap: 8px; }
.comment-form-cookies-consent label { margin: 0; }