/* ==========================================================================
   Shop — danh mục sản phẩm / phụ kiện + chi tiết sản phẩm
   Nguồn: danh-muc-san-pham.dc.html, phu-kien.dc.html, chi-tiet-san-pham.dc.html, chi-tiet-phu-kien.dc.html
   ========================================================================== */

/* ---------- 02 Danh mục sản phẩm ---------- */
.hc-shop { padding: var(--space-12) 0 var(--space-20); }
.hc-shop__in { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-9); align-items: start; }
.hc-shop__aside { position: static; top: 112px; display: flex; flex-direction: column; border: 1px solid var(--border-subtle); border-radius: var(--radius-md); overflow: hidden; background: var(--white); }
.hc-shop__aside-h { padding: var(--space-5) var(--space-6); background: var(--primary); color: var(--white); font-family: var(--font-ui); font-size: var(--size-caption); font-weight: var(--weight-semibold); letter-spacing: var(--tracking-caps); text-transform: uppercase; }
.hc-shop__type { box-sizing: border-box; display: flex; justify-content: space-between; align-items: center; gap: var(--space-3); padding: 12px var(--space-6); border-top: 1px solid var(--border-subtle); border-left: 3px solid transparent; background: var(--white); color: var(--text-primary); font-family: var(--font-ui); font-size: 15px; font-weight: var(--weight-semibold); text-decoration: none; }
.hc-shop__type:hover, .hc-shop__type.is-current { background: var(--primary-soft); color: var(--primary); text-decoration: none; }
.hc-shop__type.is-current { border-left-color: var(--primary); }
.hc-shop__count { font-size: var(--size-body); font-weight: var(--weight-regular); color: var(--text-muted); }
.hc-shop__main { display: flex; flex-direction: column; gap: var(--space-6); min-width: 0; }
.hc-shop__h2 { margin: 0; font-family: var(--font-display); font-size: var(--size-h1); font-weight: var(--weight-bold); line-height: var(--leading-tight); }
.hc-shop__filters { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 160px), 1fr)); gap: var(--space-3); margin: 0; }
.hc-shop__filter { display: flex; flex-direction: column; gap: var(--space-2); min-width: 0; }
.hc-shop__flabel { font-family: var(--font-ui); font-size: var(--size-body); font-weight: var(--weight-semibold); }
.hc-shop__select { width: 100%; height: 44px; padding: 0 var(--space-3); border: 1px solid var(--border-default); border-radius: var(--radius-md); background: var(--white); font-family: var(--font-ui); font-size: 14px; color: var(--text-primary); cursor: pointer; }
.hc-shop__select.is-set { border-color: var(--primary); }
.hc-shop__select:focus-visible { outline: none; border-color: var(--primary); box-shadow: var(--focus-ring); }
.hc-shop__bar { display: flex; justify-content: space-between; align-items: center; gap: var(--space-4); flex-wrap: wrap; padding-bottom: var(--space-4); border-bottom: 1px solid var(--border-subtle); }
.hc-shop__result { font-size: 14px; color: var(--text-muted); }
.hc-shop__clear { display: flex; align-items: center; gap: var(--space-2); font-family: var(--font-ui); font-size: 14px; font-weight: var(--weight-semibold); color: var(--primary); }
.hc-shop__clear:hover { color: var(--primary); }
.hc-shop__grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-5); }
.hc-shop__noimg { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: var(--space-2); background: var(--surface-subtle); color: var(--text-muted); font-size: var(--size-body); }

@media (min-width: 640px) { .hc-shop__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 980px) {
	.hc-shop__in { grid-template-columns: 280px minmax(0, 1fr); }
	.hc-shop__aside { position: sticky; }
}
@media (min-width: 1180px) { .hc-shop__grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }

/* ---------- 02 Chi tiết sản phẩm ---------- */
.hc-pd { padding: var(--space-12) 0 var(--space-20); }
.hc-pd__in { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-12); align-items: start; }
.hc-pd__left { display: flex; flex-direction: column; gap: var(--space-9); min-width: 0; }
.hc-pd__gallery { display: flex; flex-direction: column; gap: var(--space-3); }
.hc-pd__main { position: relative; aspect-ratio: 1 / 1; border: 1px solid var(--border-subtle); border-radius: var(--radius-md); overflow: hidden; background: var(--surface-subtle); }
.hc-pd__mainlink { position: absolute; inset: 0; display: block; cursor: zoom-in; }
.hc-pd__mainlink img { width: 100%; height: 100%; object-fit: contain; display: block; background: transparent; }
.hc-pd__nav { position: absolute; left: 12px; right: 12px; top: 50%; transform: translateY(-50%); display: flex; justify-content: space-between; pointer-events: none; }
.hc-pd__nav > * { pointer-events: auto; }
.hc-pd__thumbs { display: grid; grid-template-columns: repeat(auto-fill, minmax(88px, 1fr)); gap: var(--space-3); }
.hc-pd__gallery--acc .hc-pd__thumbs { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.hc-pd__thumb { box-sizing: border-box; cursor: pointer; aspect-ratio: 1 / 1; padding: 0; border-radius: var(--radius-md); border: 2px solid var(--border-subtle); background: var(--surface-subtle); overflow: hidden; transition: border-color var(--dur-fast) var(--ease-standard); }
.hc-pd__thumb.is-active { border-color: var(--primary); }
.hc-pd__thumb img { width: 100%; height: 100%; object-fit: contain; display: block; }
.hc-pd__ov { display: flex; flex-direction: column; gap: var(--space-5); }
.hc-pd__h2 { margin: 0; padding-bottom: var(--space-3); border-bottom: 2px solid var(--primary); font-family: var(--font-display); font-size: var(--size-h2); font-weight: var(--weight-bold); text-transform: uppercase; }
.hc-pd__ov1, .hc-pd__ov2 { margin: 0; font-size: var(--size-ui); line-height: 1.7; color: var(--text-primary); text-wrap: pretty; }
.hc-pd__ov2 { color: var(--text-muted); }

/* Highlight carousel */
.hc-pd__hl { display: flex; flex-direction: column; gap: var(--space-4); margin-top: var(--space-2); }
.hc-pd__hlnav { display: flex; justify-content: flex-end; }
.hc-pd__hlbtn { box-sizing: border-box; cursor: pointer; width: 44px; height: 40px; padding: 0; border: 0; display: flex; align-items: center; justify-content: center; background: var(--ink-900, #2B2B2B); color: var(--white); transition: background-color var(--dur-fast) var(--ease-standard); }
.hc-pd__hlbtn:first-child { border-radius: var(--radius-sm, 4px) 0 0 var(--radius-sm, 4px); }
.hc-pd__hlbtn:last-child { border-radius: 0 var(--radius-sm, 4px) var(--radius-sm, 4px) 0; }
.hc-pd__hlbtn:hover { background: var(--primary); }
.hc-pd__hl--one .hc-pd__hlnav { display: none; }
.hc-pd__hlrail { display: flex; gap: var(--space-3); overflow-x: auto; scroll-snap-type: x mandatory; scroll-behavior: smooth; scrollbar-width: none; }
.hc-pd__hlrail::-webkit-scrollbar { display: none; }
.hc-pd__hlitem { flex: 0 0 85%; scroll-snap-align: start; display: flex; flex-direction: column; gap: var(--space-4); min-width: 0; }
.hc-pd__hlimg { aspect-ratio: 1 / 1; background: var(--surface-subtle); overflow: hidden; }
.hc-pd__hlimg img { width: 100%; height: 100%; object-fit: cover; display: block; }
.hc-pd__hlcap { font-size: 15px; line-height: 1.55; color: var(--text-primary); text-wrap: pretty; }
@media (min-width: 640px) {
	.hc-pd__hlitem { flex-basis: calc((100% - 24px) / 3); }
	.hc-pd__hl--few .hc-pd__hlnav { display: none; }
}

/* Cột phải */
.hc-pd__right { position: static; top: 112px; display: flex; flex-direction: column; gap: var(--space-8); min-width: 0; }
.hc-pd__title { margin: 0; font-family: var(--font-display); font-size: clamp(26px, 3vw, 40px); font-weight: var(--weight-bold); line-height: var(--leading-tight); text-transform: uppercase; text-wrap: balance; color: var(--text-primary); }
.hc-pd__model { display: flex; flex-wrap: wrap; gap: var(--space-2) var(--space-5); margin-top: calc(-1 * var(--space-5)); font-size: 14px; color: var(--text-muted); }
.hc-pd__model strong { color: var(--text-primary); }
.hc-pd__specs { display: grid; grid-template-columns: repeat(var(--hc-spec-cols, 3), minmax(0, 1fr)); border: 1px solid var(--border-subtle); border-radius: var(--radius-md); overflow: hidden; }
.hc-pd__spec { display: flex; flex-direction: column; gap: var(--space-2); padding: var(--space-6) var(--space-5); border-left: 1px solid var(--border-subtle); background: var(--white); min-width: 0; }
.hc-pd__spec:first-child { border-left: 0; }
.hc-pd__spec-i { color: var(--primary); display: flex; }
.hc-pd__spec-v { font-family: var(--font-display); font-size: var(--size-h3); font-weight: var(--weight-bold); line-height: 1.15; color: var(--primary); overflow-wrap: anywhere; }
.hc-pd__spec-k { font-family: var(--font-ui); font-size: var(--size-caption); font-weight: var(--weight-semibold); letter-spacing: var(--tracking-caps); text-transform: uppercase; color: var(--text-muted); }
.hc-pd__actions { display: flex; gap: var(--space-3); flex-wrap: wrap; }
.hc-pd__ft { display: flex; flex-direction: column; gap: var(--space-4); }
.hc-pd__acc { display: flex; flex-direction: column; }
.hc-pd__accitem { display: flex; flex-direction: column; border-bottom: 1px solid var(--border-subtle); }
.hc-pd__accbtn { box-sizing: border-box; width: 100%; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: var(--space-4); padding: var(--space-5) 0; border: 0; background: transparent; text-align: left; font-family: var(--font-display); font-size: var(--size-title); font-weight: var(--weight-bold); color: var(--text-primary); }
.hc-pd__accbtn:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.hc-pd__accitem.is-open > .hc-pd__accbtn { color: var(--primary); }
.hc-pd__acct { display: flex; align-items: center; gap: var(--space-3); }
.hc-pd__accn { font-family: var(--font-ui); font-size: var(--size-body); color: var(--text-muted); }
.hc-pd__accbtn .hc-acc__icon-plus, .hc-pd__accitem.is-open > .hc-pd__accbtn .hc-acc__icon-minus { display: inline-flex; }
.hc-pd__accpanel { display: flex; flex-direction: column; gap: var(--space-3); padding: 0 0 var(--space-6) 0; }
.hc-pd__check { display: grid; grid-template-columns: 20px minmax(0, 1fr); gap: var(--space-2); font-size: 15px; line-height: 1.6; }
.hc-pd__check > span:last-child { text-wrap: pretty; }
.hc-pd__check-i { color: var(--primary); padding-top: 4px; }
.hc-pd__prose { margin-top: var(--space-2); }

@media (min-width: 980px) {
	.hc-pd__in { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
	.hc-pd__right { position: sticky; }
}

/* ---------- 03 Thư viện ảnh ---------- */
.hc-pd-gal { padding: var(--space-20) 0; background: var(--surface-subtle); }
.hc-pd-gal__in { display: flex; flex-direction: column; gap: var(--space-8); }
.hc-pd-gal__head { display: flex; justify-content: space-between; align-items: flex-end; gap: var(--space-4); flex-wrap: wrap; }
.hc-pd-gal__h { margin: 0; font-family: var(--font-display); font-size: var(--size-h1); font-weight: var(--weight-bold); line-height: var(--leading-tight); }
.hc-pd-gal__n { font-size: 14px; color: var(--text-muted); }
.hc-pd-gal__grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr)); gap: var(--space-4); }
.hc-pd-gal__item { display: block; aspect-ratio: 1 / 1; border-radius: var(--radius-md); overflow: hidden; background: var(--surface-subtle); cursor: zoom-in; }
.hc-pd-gal__item img { width: 100%; height: 100%; object-fit: contain; display: block; transition: transform var(--dur-slow) var(--ease-standard); }
.hc-pd-gal__item:hover img { transform: scale(1.04); }

/* ---------- 04 Video ---------- */
.hc-pd-vid { padding: var(--space-20) 0; background: var(--primary); color: var(--white); }
.hc-pd-vid__in { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr)); gap: var(--space-12); align-items: center; }
.hc-pd-vid__text { display: flex; flex-direction: column; gap: var(--space-5); max-width: 520px; }
.hc-pd-vid__eyebrow { font-family: var(--font-ui); font-size: var(--size-caption); font-weight: var(--weight-semibold); letter-spacing: var(--tracking-caps); text-transform: uppercase; }
.hc-pd-vid__h { margin: 0; font-family: var(--font-display); font-size: var(--size-h2); font-weight: var(--weight-bold); line-height: var(--leading-tight); text-transform: uppercase; text-wrap: balance; }
.hc-pd-vid__p { margin: 0; font-size: var(--size-ui); line-height: 1.6; text-wrap: pretty; }
.hc-pd-vid__frame { position: relative; display: block; aspect-ratio: 16 / 9; border-radius: var(--radius-md); overflow: hidden; background: var(--black); }
.hc-pd-vid__frame iframe { width: 100%; height: 100%; border: 0; display: block; }
.hc-pd-vid__still img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: block; }
.hc-pd-vid__play { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; background: rgba(0, 0, 0, .25); }
.hc-pd-vid__play > span { width: 80px; height: 80px; border-radius: var(--radius-pill); background: var(--white); color: var(--primary); display: flex; align-items: center; justify-content: center; transition: transform var(--dur-fast) var(--ease-standard); }
.hc-pd-vid__still:hover .hc-pd-vid__play > span { transform: scale(1.06); }

/* ---------- 04 Sản phẩm liên quan ---------- */
.hc-pd-rel { padding: var(--space-20) 0; background: var(--surface-subtle); }
.hc-pd-rel__in { display: flex; flex-direction: column; gap: var(--space-8); }
.hc-pd-rel__head { display: flex; justify-content: space-between; align-items: flex-end; gap: var(--space-5); flex-wrap: wrap; }
.hc-pd-rel__h { margin: 0; font-family: var(--font-display); font-size: var(--size-h1); font-weight: var(--weight-bold); line-height: var(--leading-tight); }
.hc-pd-rel__all { display: inline-flex; align-items: center; gap: var(--space-2); font-family: var(--font-ui); font-size: 15px; font-weight: var(--weight-semibold); color: var(--primary); }
.hc-pd-rel__all:hover { color: var(--primary); }
.hc-pd-rel__grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px), 1fr)); gap: var(--space-5); }
.hc-pd-rel__card { display: flex; flex-direction: column; background: var(--white); border: 1px solid var(--border-subtle); border-radius: var(--radius-md); overflow: hidden; color: var(--text-primary); transition: border-color var(--dur-fast) var(--ease-standard), color var(--dur-fast) var(--ease-standard); }
.hc-pd-rel__card:hover { border-color: var(--primary); color: var(--primary); text-decoration: none; }
.hc-pd-rel__img { aspect-ratio: 1 / 1; background: var(--surface-subtle); }
.hc-pd-rel__img img { width: 100%; height: 100%; object-fit: contain; display: block; }
.hc-pd-rel__body { display: flex; flex-direction: column; gap: var(--space-2); padding: var(--space-5) var(--space-6) var(--space-6); border-top: 1px solid var(--border-subtle); }
.hc-pd-rel__name { font-family: var(--font-display); font-size: var(--size-title); font-weight: var(--weight-bold); line-height: var(--leading-snug); text-wrap: pretty; }
.hc-pd-rel__spec { font-size: var(--size-body); color: var(--text-muted); }

/* ---------- Mobile (< 980px): thanh 2 nút Danh mục / Bộ lọc + panel trượt từ dưới lên ---------- */
.hc-shop__mbar, .hc-sheet__head, .hc-sheet__foot, .hc-sheet__close { display: none; }
.hc-sheet-backdrop { display: none; }
@media (max-width: 979px) {
	.hc-shop__mbar { display: flex; gap: var(--space-3); position: sticky; top: 88px; z-index: 50; margin: calc(-1 * var(--space-4)) calc(-1 * var(--gutter)) 0; padding: var(--space-3) var(--gutter); background: var(--white); border-bottom: 1px solid var(--border-subtle); }
	.hc-shop__mbtn { flex: 1 1 0; min-width: 0; display: flex; align-items: center; gap: var(--space-2); min-height: 52px; padding: 6px var(--space-4); border: 1px solid var(--border-subtle); border-radius: var(--radius-md); background: var(--white); color: var(--text-primary); font-family: var(--font-ui); font-size: 14px; font-weight: var(--weight-semibold); text-align: left; cursor: pointer; }
	.hc-shop__mbtn--filter { flex: 0 0 auto; }
	.hc-shop__mbtn > .hc-icon:first-child { color: var(--primary); }
	.hc-shop__mbtn[aria-expanded="true"] { border-color: var(--primary); }
	.hc-shop__mbtn-t { flex: 1; min-width: 0; display: flex; flex-direction: column; line-height: 1.25; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
	.hc-shop__mbtn-t small { font-size: var(--size-caption); font-weight: var(--weight-semibold); letter-spacing: var(--tracking-caps); text-transform: uppercase; color: var(--text-muted); }
	.hc-shop__mbadge { min-width: 20px; height: 20px; padding: 0 6px; border-radius: var(--radius-pill); background: var(--primary); color: var(--white); font-size: 12px; display: inline-flex; align-items: center; justify-content: center; }

	/* Panel trượt từ dưới lên (dùng lại cột danh mục và form bộ lọc của desktop) */
	.hc-sheet { position: fixed !important; left: 0; right: 0; bottom: 0; top: auto !important; z-index: 100000; max-height: 85vh; overflow-y: auto; margin: 0; background: var(--white); border: 0 !important; border-radius: var(--radius-md) var(--radius-md) 0 0 !important; transform: translateY(100%); visibility: hidden; transition: transform var(--dur-base) var(--ease-standard), visibility 0s linear var(--dur-base); }
	.hc-sheet.is-open { transform: none; visibility: visible; transition: transform var(--dur-base) var(--ease-standard), visibility 0s; }
	.hc-sheet-backdrop { display: block; position: fixed; inset: 0; z-index: 99999; background: var(--overlay); opacity: 0; visibility: hidden; transition: opacity var(--dur-fast) var(--ease-standard), visibility 0s linear var(--dur-fast); }
	.hc-sheet-backdrop.is-open { opacity: 1; visibility: visible; transition: opacity var(--dur-fast) var(--ease-standard), visibility 0s; }
	.hc-sheet__close { display: inline-flex; }
	.hc-shop__aside-h { position: sticky; top: 0; z-index: 1; display: flex; justify-content: space-between; align-items: center; }
	.hc-sheet__head { display: flex; position: sticky; top: 0; z-index: 1; justify-content: space-between; align-items: center; padding: var(--space-4) var(--space-5); background: var(--white); border-bottom: 1px solid var(--border-subtle); font-family: var(--font-ui); font-size: var(--size-title); font-weight: var(--weight-bold); }
	.hc-shop__filters.hc-sheet { display: flex; flex-direction: column; gap: var(--space-4); padding-bottom: var(--space-6); }
	.hc-shop__filters.hc-sheet .hc-shop__filter { margin: 0 var(--space-5); }
	.hc-sheet__foot { display: block; margin: 0 var(--space-5); }
}
@media (max-width: 768px) { .hc-shop__mbar { top: 80px; } }

/* Mobile: thông số chi tiết sản phẩm mỗi mục 1 hàng (icon trái, nhãn + giá trị phải) */
@media (max-width: 768px) {
	.hc-pd__specs { grid-template-columns: minmax(0, 1fr); }
	.hc-pd__spec { display: grid; grid-template-columns: 40px minmax(0, 1fr); grid-template-areas: "i k" "i v"; align-items: center; column-gap: var(--space-4); row-gap: 2px; padding: var(--space-4) var(--space-5); border-left: 0; border-top: 1px solid var(--border-subtle); }
	.hc-pd__spec:first-child { border-top: 0; }
	.hc-pd__spec-i { grid-area: i; width: 40px; height: 40px; border-radius: var(--radius-pill); background: var(--primary-soft); align-items: center; justify-content: center; }
	.hc-pd__spec-k { grid-area: k; }
	.hc-pd__spec-v { grid-area: v; font-size: var(--size-title); }
}