/*
Theme Name: Máy Chạy Bộ Tốt
Theme URI: https://maychaybotot.com
Author: maychaybotot.com
Description: Theme thương mại điện tử tùy chỉnh cho maychaybotot.com — chuẩn SEO/silo, tối ưu tốc độ, đầy đủ chức năng bán hàng. Code from scratch, không phụ thuộc framework CSS/JS nặng.
Version: 1.0.0
Requires at least: 6.0
Requires PHP: 7.4
Text Domain: maychaybotot
Tags: e-commerce, custom-background, custom-menu, featured-images, threaded-comments, translation-ready
*/

/* ==========================================================================
   1. CSS VARIABLES (Design Tokens) — Năng động, thể thao: đỏ / cam / đen
   ========================================================================== */
:root {
	--color-primary: #E4002B;       /* đỏ chủ đạo — CTA, giá, nút mua */
	--color-primary-dark: #B4001F;
	--color-secondary: #FF7A00;     /* cam — badge khuyến mãi, nhấn nhá */
	--color-dark: #14161A;          /* đen — header/footer */
	--color-dark-soft: #24262C;
	--color-bg: #F7F7F8;
	--color-white: #FFFFFF;
	--color-text: #1F2124;
	--color-muted: #6B7280;
	--color-border: #E5E7EB;
	--color-success: #16A34A;
	--color-star: #FFB800;

	--font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
	--mcbt-container-width: 1240px;
	--radius: 10px;
	--radius-sm: 6px;
	--shadow-sm: 0 1px 3px rgba(20,22,26,.08);
	--shadow-md: 0 6px 20px rgba(20,22,26,.10);
	--header-h: 76px;
	--transition: .18s ease;
}

/* ==========================================================================
   2. RESET
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; overflow-x: hidden; }
body {
	margin: 0;
	font-family: var(--font-base);
	font-size: 16px;
	line-height: 1.6;
	color: var(--color-text);
	background: var(--color-bg);
	-webkit-font-smoothing: antialiased;
	overflow-x: hidden;
	max-width: 100vw;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, h5, h6 { margin: 0 0 .5em; line-height: 1.25; font-weight: 700; }
p { margin: 0 0 1em; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }
button { cursor: pointer; }
svg { display: block; }
:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }

.mcbt-container { max-width: var(--mcbt-container-width); margin: 0 auto; padding: 0 20px; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip-link { position: absolute; left: -9999px; top: 0; background: var(--color-primary); color: #fff; padding: 10px 16px; z-index: 10000; }
.skip-link:focus { left: 10px; top: 10px; }

/* ==========================================================================
   3. TYPOGRAPHY UTILITIES
   ========================================================================== */
.section-title { font-size: clamp(22px, 3vw, 30px); text-align: center; }
.section-title span { color: var(--color-primary); }
.section-subtitle { text-align: center; color: var(--color-muted); margin-top: -8px; margin-bottom: 32px; }
.eyebrow { display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--color-secondary); margin-bottom: 8px; }

/* ==========================================================================
   4. BUTTONS
   ========================================================================== */
.btn {
	display: inline-flex; align-items: center; justify-content: center; gap: 8px;
	padding: 13px 26px; border-radius: var(--radius-sm); border: 2px solid transparent;
	font-weight: 700; font-size: 15px; line-height: 1; cursor: pointer;
	transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
	white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-dark); color: #fff; }
.btn-outline { background: transparent; border-color: currentColor; color: var(--color-white); }
.btn-outline:hover { background: rgba(255,255,255,.12); }
.btn-dark { background: var(--color-dark); color: #fff; }
.btn-dark:hover { background: var(--color-dark-soft); }
.btn-block { width: 100%; }
.btn-sm { padding: 9px 16px; font-size: 13px; }
.btn.loading { opacity: .6; pointer-events: none; }

/* ==========================================================================
   5. TOP BAR
   ========================================================================== */
.topbar { background: var(--color-dark); color: #cfd2d8; font-size: 13px; }
.topbar .mcbt-container { display: flex; align-items: center; justify-content: space-between; height: 38px; }
.topbar__left { display: flex; gap: 20px; }
.topbar a { color: #cfd2d8; }
.topbar a:hover { color: var(--color-secondary); }
.topbar__item { display: inline-flex; align-items: center; gap: 6px; }

/* ==========================================================================
   6. HEADER
   ========================================================================== */
.site-header { background: var(--color-white); position: sticky; top: 0; z-index: 500; box-shadow: var(--shadow-sm); }
.site-header__inner { display: flex; align-items: center; gap: 28px; height: var(--header-h); }
.site-logo { flex-shrink: 0; font-size: 22px; font-weight: 800; color: var(--color-dark); display: flex; align-items: center; gap: 10px; max-width: 200px; }
.site-logo a { display: flex; align-items: center; }
.site-logo img, .site-logo .custom-logo { max-height: 48px !important; width: auto !important; height: auto; }
.site-logo strong { color: var(--color-primary); }

.site-search { flex: 1; max-width: 520px; position: relative; }
.site-search form { display: flex; }
.site-search input[type="search"] {
	flex: 1; border: 2px solid var(--color-border); border-right: none; border-radius: var(--radius-sm) 0 0 var(--radius-sm);
	padding: 12px 16px; font-size: 14px;
}
.site-search input[type="search"]:focus { border-color: var(--color-primary); }
.site-search button {
	border: 2px solid var(--color-primary); background: var(--color-primary); color: #fff;
	padding: 0 20px; border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.site-search button:hover { background: var(--color-primary-dark); }

.header-actions { display: flex; align-items: center; gap: 22px; margin-left: auto; }
.header-action { position: relative; display: flex; flex-direction: column; align-items: center; gap: 2px; font-size: 11px; color: var(--color-text); }
.header-action svg { width: 24px; height: 24px; }
.header-action:hover { color: var(--color-primary); }
.header-action__count {
	position: absolute; top: -6px; right: -10px; background: var(--color-primary); color: #fff;
	font-size: 10px; font-weight: 700; min-width: 18px; height: 18px; border-radius: 999px;
	display: flex; align-items: center; justify-content: center; padding: 0 4px;
}

/* Primary nav (silo menu) */
.primary-nav { background: var(--color-dark); }
.primary-nav .mcbt-container { display: flex; align-items: center; }
.primary-nav ul { display: flex; align-items: stretch; }
.primary-nav > .mcbt-container > ul > li { position: relative; }
.primary-nav > .mcbt-container > ul > li > a {
	display: flex; align-items: center; gap: 6px; padding: 14px 18px; color: #fff; font-weight: 600; font-size: 14.5px;
}
.primary-nav > .mcbt-container > ul > li:hover > a,
.primary-nav > .mcbt-container > ul > li.current-menu-item > a { color: var(--color-secondary); background: rgba(255,255,255,.04); }
.primary-nav .sub-menu {
	position: absolute; top: 100%; left: 0; min-width: 240px; background: var(--color-white);
	box-shadow: var(--shadow-md); border-radius: 0 0 var(--radius-sm) var(--radius-sm);
	opacity: 0; visibility: hidden; transform: translateY(6px); transition: var(--transition); z-index: 100;
}
.primary-nav li:hover > .sub-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.primary-nav .sub-menu a { display: block; padding: 11px 18px; color: var(--color-text); font-size: 14px; }
.primary-nav .sub-menu a:hover { background: var(--color-bg); color: var(--color-primary); }
.primary-nav .menu-hotline { margin-left: auto; color: #fff; display: flex; align-items: center; gap: 8px; font-weight: 700; }
.primary-nav .menu-hotline span { color: var(--color-secondary); }

/* Mobile menu toggle */
.mobile-toggle { display: none; background: none; border: none; padding: 8px; }
.mobile-toggle svg { width: 26px; height: 26px; }

/* Off-canvas mobile menu — LUÔN ẩn mặc định ở MỌI kích thước màn hình, chỉ JS thêm .is-open mới hiện.
   (Trước đây phần ẩn này nằm trong @media max-width:860px nên ở desktop nó hiện lù lù giữa trang — đây là lỗi vừa fix) */
.mobile-nav {
	position: fixed; inset: 0 0 0 auto; width: 82%; max-width: 340px; background: var(--color-white);
	z-index: 1000; transform: translateX(100%); transition: transform .25s ease; overflow-y: auto;
	box-shadow: -8px 0 24px rgba(0,0,0,.2);
}
.mobile-nav.is-open { transform: translateX(0); }
.mobile-nav-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.45); z-index: 999; opacity: 0; visibility: hidden; transition: var(--transition); }
.mobile-nav-overlay.is-open { opacity: 1; visibility: visible; }

/* ==========================================================================
   7. BREADCRUMB
   ========================================================================== */
.breadcrumb { background: var(--color-white); border-bottom: 1px solid var(--color-border); font-size: 13px; color: var(--color-muted); }
.breadcrumb .mcbt-container { padding-top: 12px; padding-bottom: 12px; }
.breadcrumb a { color: var(--color-muted); }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb .sep { margin: 0 6px; opacity: .5; }
.breadcrumb .current { color: var(--color-text); font-weight: 600; }

/* ==========================================================================
   8. HERO / SLIDER
   ========================================================================== */
.hero { position: relative; background: linear-gradient(120deg, var(--color-dark) 0%, #2b1210 60%, var(--color-primary-dark) 100%); overflow: hidden; }
.hero .mcbt-container { display: grid; grid-template-columns: 1.1fr .9fr; align-items: center; min-height: 420px; gap: 40px; position: relative; z-index: 2; }
.hero__eyebrow { color: var(--color-secondary); font-weight: 700; letter-spacing: .08em; text-transform: uppercase; font-size: 13px; margin-bottom: 14px; }
.hero__title { color: #fff; font-size: clamp(30px, 4.2vw, 48px); line-height: 1.15; margin-bottom: 16px; }
.hero__title em { font-style: normal; color: var(--color-secondary); }
.hero__desc { color: #d6d8dd; font-size: 16px; max-width: 460px; margin-bottom: 26px; }
.hero__cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero__image { position: relative; }
.hero__image img { border-radius: var(--radius); }
.hero__badge {
	position: absolute; top: 18px; right: 18px; background: var(--color-primary); color: #fff;
	font-weight: 800; font-size: 20px; border-radius: 999px; width: 84px; height: 84px;
	display: flex; flex-direction: column; align-items: center; justify-content: center; line-height: 1.1; box-shadow: var(--shadow-md);
}
.hero__badge small { font-size: 10px; font-weight: 600; }

/* ==========================================================================
   9. TRUST BAR
   ========================================================================== */
.trust-bar { background: var(--color-white); border-bottom: 1px solid var(--color-border); }
.trust-bar .mcbt-container { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; padding-top: 22px; padding-bottom: 22px; }
.trust-item { display: flex; align-items: center; gap: 12px; }
.trust-item svg { width: 34px; height: 34px; color: var(--color-primary); flex-shrink: 0; }
.trust-item strong { display: block; font-size: 14px; }
.trust-item span { font-size: 12.5px; color: var(--color-muted); }

/* ==========================================================================
   10. SECTIONS / CATEGORY GRID
   ========================================================================== */
.section { padding: 52px 0; }
.section--tight { padding: 36px 0; }
.category-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px; }
.category-card {
	background: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--radius);
	padding: 20px 14px; text-align: center; transition: var(--transition);
}
.category-card:hover { border-color: var(--color-primary); box-shadow: var(--shadow-md); transform: translateY(-3px); }
.category-card__icon { width: 56px; height: 56px; margin: 0 auto 12px; border-radius: 50%; background: var(--color-bg); display: flex; align-items: center; justify-content: center; overflow: hidden; }
.category-card__icon img { width: 100%; height: 100%; object-fit: cover; }
.category-card__title { font-size: 13.5px; font-weight: 700; }
.category-card__count { font-size: 11.5px; color: var(--color-muted); }

/* ==========================================================================
   11. PRODUCT CARD
   ========================================================================== */
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.product-grid--5 { grid-template-columns: repeat(5, 1fr); }
.product-card {
	position: relative; background: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--radius);
	overflow: hidden; transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
	display: flex; flex-direction: column;
}
.product-card:hover { box-shadow: var(--shadow-md); border-color: transparent; transform: translateY(-3px); }
.product-card__media { position: relative; aspect-ratio: 1 / 1; background: #fff; overflow: hidden; }
.product-card__media img { width: 100%; height: 100%; object-fit: contain; transition: transform .3s ease; }
.product-card:hover .product-card__media img { transform: scale(1.05); }
.product-card__badges { position: absolute; top: 10px; left: 10px; display: flex; flex-direction: column; gap: 6px; z-index: 2; }
.badge { display: inline-block; font-size: 11px; font-weight: 800; padding: 4px 9px; border-radius: 4px; color: #fff; }
.badge--sale { background: var(--color-primary); }
.badge--new { background: var(--color-success); }
.badge--hot { background: var(--color-secondary); }
.product-card__actions {
	position: absolute; right: 10px; top: 10px; display: flex; flex-direction: column; gap: 8px;
	opacity: 0; transform: translateX(8px); transition: var(--transition); z-index: 2;
}
.product-card:hover .product-card__actions { opacity: 1; transform: translateX(0); }
.product-card__action-btn {
	width: 36px; height: 36px; border-radius: 50%; background: #fff; border: 1px solid var(--color-border);
	display: flex; align-items: center; justify-content: center; box-shadow: var(--shadow-sm);
}
.product-card__action-btn:hover { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
.product-card__action-btn svg { width: 17px; height: 17px; }
.product-card__body { padding: 14px 16px 16px; display: flex; flex-direction: column; flex: 1; }
.product-card__cat { font-size: 11px; color: var(--color-muted); text-transform: uppercase; letter-spacing: .04em; margin-bottom: 4px; }
.product-card__title { font-size: 14.5px; font-weight: 600; line-height: 1.4; margin-bottom: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; min-height: 2.8em; }
.product-card__title a:hover { color: var(--color-primary); }
.product-card__rating { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--color-muted); margin-bottom: 8px; min-height: 16px; }
.product-card__rating .stars { color: var(--color-star); letter-spacing: 1px; }
.product-card__price { margin-top: auto; display: flex; align-items: baseline; gap: 8px; }
.price-current { font-size: 17px; font-weight: 800; color: var(--color-primary); }
.price-old { font-size: 13px; color: var(--color-muted); text-decoration: line-through; }
.product-card__add {
	margin-top: 12px; width: 100%; padding: 10px; border-radius: var(--radius-sm); border: 2px solid var(--color-dark);
	background: transparent; color: var(--color-dark); font-weight: 700; font-size: 13.5px;
	display: flex; align-items: center; justify-content: center; gap: 6px; transition: var(--transition);
}
.product-card__add:hover { background: var(--color-dark); color: #fff; }
.product-card__add.loading { opacity: .6; pointer-events: none; }

/* ==========================================================================
   12. TABS (Bán chạy / Nổi bật / Mới về)
   ========================================================================== */
.product-tabs__nav { display: flex; justify-content: center; gap: 10px; margin-bottom: 30px; flex-wrap: wrap; }
.product-tabs__nav button {
	background: var(--color-white); border: 1px solid var(--color-border); padding: 10px 20px; border-radius: 999px;
	font-weight: 700; font-size: 13.5px; color: var(--color-muted); transition: var(--transition);
}
.product-tabs__nav button.is-active, .product-tabs__nav button:hover { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
.product-tabs__panel { display: none; }
.product-tabs__panel.is-active { display: block; }

/* ==========================================================================
   13. PROMO BANNERS
   ========================================================================== */
.promo-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.promo-banner {
	position: relative; border-radius: var(--radius); overflow: hidden; min-height: 220px;
	display: flex; flex-direction: column; justify-content: center; padding: 32px; color: #fff;
	background-size: cover; background-position: center;
}
.promo-banner::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(20,22,26,.85), rgba(20,22,26,.15)); }
.promo-banner > * { position: relative; z-index: 1; }
.promo-banner h3 { font-size: 24px; margin-bottom: 8px; }
.promo-banner p { color: #d6d8dd; margin-bottom: 16px; }

/* ==========================================================================
   14. BLOG SECTION / CARDS
   ========================================================================== */
.post-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.post-card { background: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--radius); overflow: hidden; transition: var(--transition); }
.post-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.post-card__media { aspect-ratio: 16/10; overflow: hidden; }
.post-card__media img { width: 100%; height: 100%; object-fit: cover; }
.post-card__body { padding: 18px; }
.post-card__meta { font-size: 12px; color: var(--color-muted); margin-bottom: 8px; }
.post-card__title { font-size: 16px; margin-bottom: 8px; }
.post-card__title a:hover { color: var(--color-primary); }
.post-card__excerpt { font-size: 13.5px; color: var(--color-muted); }

/* ==========================================================================
   15. NEWSLETTER / CTA STRIP
   ========================================================================== */
.cta-strip { background: var(--color-dark); color: #fff; }
.cta-strip .mcbt-container { display: flex; align-items: center; justify-content: space-between; padding: 34px 20px; gap: 20px; flex-wrap: wrap; }
.cta-strip h3 { margin: 0 0 4px; font-size: 20px; }
.cta-strip p { margin: 0; color: #b9bcc3; }

/* ==========================================================================
   16. FOOTER
   ========================================================================== */
.site-footer { background: var(--color-dark); color: #b9bcc3; font-size: 14px; }
.footer-top { padding: 50px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 32px; }
.footer-col h4 { color: #fff; font-size: 15px; margin-bottom: 18px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col a:hover { color: var(--color-secondary); }
.footer-logo { font-size: 20px; font-weight: 800; color: #fff; margin-bottom: 14px; display: inline-block; }
.footer-logo strong { color: var(--color-primary); }
.footer-contact li { display: flex; gap: 10px; margin-bottom: 12px; align-items: flex-start; }
.footer-contact svg { width: 18px; height: 18px; flex-shrink: 0; margin-top: 2px; color: var(--color-secondary); }
.footer-social { display: flex; gap: 10px; margin-top: 16px; }
.footer-social a { width: 36px; height: 36px; border-radius: 50%; background: rgba(255,255,255,.08); display: flex; align-items: center; justify-content: center; }
.footer-social a:hover { background: var(--color-primary); }
.footer-social svg { width: 16px; height: 16px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 18px 0; }
.footer-bottom .mcbt-container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; font-size: 12.5px; }
.payment-icons { display: flex; gap: 8px; }
.payment-icons span { background: rgba(255,255,255,.08); padding: 4px 10px; border-radius: 4px; font-size: 11px; }

/* ==========================================================================
   16b. QUICK VIEW MODAL
   ========================================================================== */
.site-header.is-scrolled { box-shadow: var(--shadow-md); }

.quick-view-modal { position: fixed; inset: 0; z-index: 2000; display: none; }
.quick-view-modal.is-open { display: block; }
.quick-view-modal__overlay { position: absolute; inset: 0; background: rgba(20,22,26,.6); }
.quick-view-modal__box {
	position: relative; background: #fff; max-width: 860px; width: 92%; margin: 4vh auto; border-radius: var(--radius);
	max-height: 92vh; overflow-y: auto; box-shadow: var(--shadow-md);
}
.quick-view-modal__close { position: absolute; top: 14px; right: 14px; background: var(--color-bg); border: none; width: 34px; height: 34px; border-radius: 50%; z-index: 2; }
.quick-view-modal__close svg { width: 18px; height: 18px; margin: 0 auto; }
.quick-view-loading { padding: 80px 20px; text-align: center; color: var(--color-muted); }

.quick-view { display: grid; grid-template-columns: 1fr 1fr; gap: 0; }
.quick-view__media { position: relative; background: var(--color-bg); padding: 30px; display: flex; align-items: center; }
.quick-view__media img { width: 100%; }
.quick-view__info { padding: 34px 34px 34px 10px; }
.quick-view__info h2 { font-size: 22px; margin-bottom: 10px; }
.quick-view__rating { margin-bottom: 10px; min-height: 18px; }
.quick-view__price { font-size: 24px; font-weight: 800; color: var(--color-primary); margin-bottom: 14px; }
.quick-view__price ins { text-decoration: none; }
.quick-view__price del { color: var(--color-muted); font-size: 16px; margin-right: 8px; }
.quick-view__excerpt { color: var(--color-muted); font-size: 14px; margin-bottom: 14px; }
.quick-view__stock { margin-bottom: 16px; font-size: 13px; font-weight: 700; }
.quick-view__stock .in-stock { color: var(--color-success); }
.quick-view__stock .out-of-stock { color: var(--color-primary); }
.quick-view__cart { display: flex; gap: 12px; align-items: center; margin-bottom: 16px; }
.quick-view__qty .quantity input { width: 64px; padding: 12px; border: 2px solid var(--color-border); border-radius: var(--radius-sm); text-align: center; }
.quick-view__more { font-size: 13.5px; font-weight: 700; color: var(--color-primary); }

@media (max-width: 640px) {
	.quick-view { grid-template-columns: 1fr; }
	.quick-view__info { padding: 24px; }
}

/* Mobile sticky action bar */
.mobile-bar { display: none; }

/* ==========================================================================
   16c. ARCHIVE / CATEGORY (SILO) PAGE
   ========================================================================== */
.site-main { padding-top: 28px; padding-bottom: 52px; }
.archive-header { text-align: center; margin-bottom: 8px; }
.archive-header__title { font-size: clamp(22px, 3vw, 30px); }
.archive-header__count { color: var(--color-muted); font-size: 13.5px; margin-top: -4px; }

.term-description, .woocommerce-product-details__short-description {
	max-width: 900px; margin: 20px auto 36px; color: var(--color-text); font-size: 14.5px; line-height: 1.8;
}
.term-description h2, .term-description h3 { font-size: 18px; margin-top: 1.4em; }

.archive-toolbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 22px; flex-wrap: wrap; gap: 12px; }
.woocommerce-result-count { color: var(--color-muted); font-size: 13.5px; margin: 0; }
.woocommerce-ordering select {
	border: 2px solid var(--color-border); border-radius: var(--radius-sm); padding: 9px 14px; font-size: 13.5px; background: #fff;
}
.woocommerce-pagination { display: flex; justify-content: center; gap: 6px; margin-top: 36px; }
.woocommerce-pagination ul { display: flex; gap: 6px; }
.woocommerce-pagination .page-numbers {
	display: flex; align-items: center; justify-content: center; min-width: 38px; height: 38px; border-radius: var(--radius-sm);
	border: 1px solid var(--color-border); background: #fff; font-weight: 700; font-size: 13.5px;
}
.woocommerce-pagination .page-numbers.current, .woocommerce-pagination .page-numbers:hover { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }

.silo-links { margin-top: 40px; padding-top: 28px; border-top: 1px solid var(--color-border); }
.silo-links__title { font-size: 16px; margin-bottom: 14px; }
.silo-links__list { display: flex; flex-wrap: wrap; gap: 10px; }
.silo-link { padding: 9px 16px; border-radius: 999px; background: var(--color-white); border: 1px solid var(--color-border); font-size: 13.5px; font-weight: 600; }
.silo-link:hover { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }

.woocommerce-info, .woocommerce-message, .woocommerce-error {
	background: var(--color-white); border: 1px solid var(--color-border); border-left: 4px solid var(--color-primary);
	border-radius: var(--radius-sm); padding: 14px 18px; margin-bottom: 24px; list-style: none; font-size: 14px;
}

/* ==========================================================================
   16d. SINGLE PRODUCT PAGE
   ========================================================================== */
/* Layout kiểu DienMayXanh: gallery rộng hơn (1.6fr) + hộp mua hàng DÍNH (sticky) bên phải khi cuộn trang */
.single-product { display: grid; grid-template-columns: 1.6fr 1fr; gap: 32px; margin-bottom: 40px; align-items: start; }
.single-product__summary {
	position: sticky; top: 132px; align-self: start; background: var(--color-white);
	border: 1px solid var(--color-border); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow-sm);
	max-height: calc(100vh - 152px); overflow-y: auto;
}
/* Luôn hiện gallery, không chờ JS (phòng trường hợp JS gallery không chạy được trên 1 số thiết bị) */
.single-product__gallery .woocommerce-product-gallery,
.single-product__gallery .woocommerce-product-gallery__wrapper,
.single-product__gallery .woocommerce-product-gallery__image { opacity: 1 !important; }
.single-product__gallery .woocommerce-product-gallery__wrapper {
	border-radius: var(--radius); overflow: hidden; background: #fff; border: 1px solid var(--color-border);
	display: flex; flex-wrap: wrap; gap: 8px; padding: 8px;
}
.single-product__gallery .woocommerce-product-gallery__image { width: 100%; margin: 0; }
.single-product__gallery .woocommerce-product-gallery__image:not(:first-child) { width: calc(25% - 6px); }
.single-product__gallery .woocommerce-product-gallery__image img { width: 100%; height: auto; object-fit: contain; border-radius: var(--radius-sm); }
.single-product__gallery .flex-control-thumbs { display: flex !important; gap: 10px; margin-top: 12px; flex-wrap: wrap; padding: 0; }
.single-product__gallery .flex-control-thumbs li { width: 64px !important; height: 64px !important; list-style: none; overflow: hidden; border-radius: var(--radius-sm); }
.single-product__gallery .flex-control-thumbs img { width: 64px !important; height: 64px !important; object-fit: cover; border-radius: var(--radius-sm); border: 2px solid var(--color-border); cursor: pointer; }
.single-product__gallery .flex-control-thumbs img.flex-active { border-color: var(--color-primary); }

.single-product__summary .product_title { font-size: clamp(22px, 2.6vw, 28px); margin-bottom: 10px; }
.single-product__summary .woocommerce-product-rating { display: flex; align-items: center; gap: 8px; margin-bottom: 14px; font-size: 13px; }
.single-product__summary .star-rating { color: var(--color-star); font-size: 15px; }
.single-product__summary .price { display: block; font-size: 28px; font-weight: 800; color: var(--color-primary); margin-bottom: 6px; }
.single-product__summary .price del { color: var(--color-muted); font-size: 17px; font-weight: 400; margin-right: 10px; }
.single-product__summary .price ins { text-decoration: none; }
.single-product__stock { margin: 10px 0 16px; font-size: 13.5px; font-weight: 700; }
.single-product__stock .in-stock { color: var(--color-success); }
.single-product__stock .out-of-stock { color: var(--color-primary); }
.woocommerce-product-details__short-description { margin: 0 0 20px !important; max-width: none !important; text-align: left !important; }

.single-product form.cart { display: flex; flex-direction: column; gap: 12px; margin-bottom: 22px; }
.single-product .quantity { align-self: flex-start; }
.single-product .quantity input.qty { width: 90px; padding: 13px; border: 2px solid var(--color-border); border-radius: var(--radius-sm); text-align: center; font-weight: 700; }
.single-product .single_add_to_cart_button { padding: 15px 20px; width: 100%; font-size: 15.5px; }
.single-product__summary .price { font-size: 24px; }

.single-product__trust-box { margin-bottom: 20px; padding: 14px; background: var(--color-bg); border-radius: var(--radius-sm); }
.single-product__trust-title { display: block; font-size: 13px; margin-bottom: 10px; }
.single-product__trust { display: flex; flex-direction: column; gap: 12px; }
.single-product__trust li { display: flex; align-items: flex-start; gap: 10px; font-size: 12.5px; color: var(--color-muted); line-height: 1.5; }
.single-product__trust li strong { color: var(--color-text); font-size: 13px; }
.single-product__trust svg { color: var(--color-primary); flex-shrink: 0; margin-top: 1px; }
.product_meta { font-size: 13px; color: var(--color-muted); margin-bottom: 14px; }
.product_meta a { color: var(--color-primary); }
.single-product__share { display: flex; align-items: center; gap: 10px; font-size: 13px; }
.single-product__share a { width: 32px; height: 32px; border-radius: 50%; background: var(--color-bg); display: flex; align-items: center; justify-content: center; }
.single-product__share a:hover { background: var(--color-primary); color: #fff; }

/* WooCommerce product tabs (Mô tả / Thông tin / Đánh giá) */
.woocommerce-tabs ul.tabs { display: flex; gap: 4px; border-bottom: 2px solid var(--color-border); margin-bottom: 24px; flex-wrap: wrap; }
.woocommerce-tabs ul.tabs li { list-style: none; }
.woocommerce-tabs ul.tabs li a { display: block; padding: 13px 22px; font-weight: 700; font-size: 14.5px; color: var(--color-muted); border-bottom: 3px solid transparent; margin-bottom: -2px; }
.woocommerce-tabs ul.tabs li.active a { color: var(--color-primary); border-color: var(--color-primary); }
.woocommerce-tabs .panel { max-width: 900px; line-height: 1.85; font-size: 14.5px; }
.woocommerce-tabs .panel h2 { font-size: 19px; margin-bottom: 16px; }

/* Reviews / Comments */
#reviews .comment-item, #reviews .comment { display: flex; gap: 14px; padding: 18px 0; border-bottom: 1px solid var(--color-border); list-style: none; }
#reviews .comment-avatar img, #reviews .comment-avatar { border-radius: 50%; }
#reviews .comment-content { flex: 1; }
#reviews .comment-meta { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; }
#reviews .comment-author { font-size: 14px; }
#reviews .comment-date { font-size: 12px; color: var(--color-muted); }
#reviews .star-rating { color: var(--color-star); margin-bottom: 6px; }
#reviews .comment-form input[type="text"], #reviews .comment-form input[type="email"], #reviews .comment-form textarea {
	width: 100%; padding: 12px 14px; border: 2px solid var(--color-border); border-radius: var(--radius-sm); margin-bottom: 14px; font-family: inherit;
}
#reviews .comment-form-rating select { padding: 10px; border: 2px solid var(--color-border); border-radius: var(--radius-sm); }
#reviews .form-submit input { padding: 13px 28px; border-radius: var(--radius-sm); border: none; background: var(--color-primary); color: #fff; font-weight: 700; }

.single-product__stock .sold-count { color: var(--color-muted); font-weight: 600; margin-left: 4px; }

/* Sticky buy bar (trang chi tiết sản phẩm) */
.sticky-buy-bar {
	position: fixed; left: 0; right: 0; bottom: 0; z-index: 450; background: #fff; border-top: 1px solid var(--color-border);
	box-shadow: 0 -6px 20px rgba(0,0,0,.1); transform: translateY(100%); transition: transform .25s ease;
}
.sticky-buy-bar.is-visible { transform: translateY(0); }
.sticky-buy-bar__inner { display: flex; align-items: center; gap: 14px; padding: 10px 20px; }
.sticky-buy-bar__inner img { width: 46px; height: 46px; object-fit: contain; border-radius: var(--radius-sm); border: 1px solid var(--color-border); flex-shrink: 0; }
.sticky-buy-bar__info { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.sticky-buy-bar__title { font-size: 13.5px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sticky-buy-bar__price { font-size: 15px; font-weight: 800; color: var(--color-primary); }
.sticky-buy-bar__price ins { text-decoration: none; }
.sticky-buy-bar__price del { font-size: 12px; color: var(--color-muted); margin-right: 6px; }
.sticky-buy-bar__btn { flex-shrink: 0; }
body.has-mobile-bar .sticky-buy-bar { bottom: 62px; }
@media (max-width: 640px) { .sticky-buy-bar__title { display: none; } }
/* Desktop: hộp mua hàng bên phải đã dính sẵn, không cần thêm thanh dưới cùng nữa */
@media (min-width: 861px) { .sticky-buy-bar { display: none !important; } }

/* Rating breakdown (đánh giá theo % từng sao) */
.rating-breakdown { display: flex; gap: 32px; align-items: center; padding: 24px; background: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--radius); margin-bottom: 30px; flex-wrap: wrap; }
.rating-breakdown__score { text-align: center; min-width: 120px; }
.rating-breakdown__score strong { font-size: 42px; font-weight: 800; color: var(--color-primary); display: block; line-height: 1; }
.rating-breakdown__score .star-rating { margin: 8px auto; }
.rating-breakdown__score span { font-size: 12.5px; color: var(--color-muted); }
.rating-breakdown__bars { flex: 1; min-width: 220px; display: flex; flex-direction: column; gap: 6px; }
.rating-breakdown__row { display: grid; grid-template-columns: 46px 1fr 40px; align-items: center; gap: 10px; font-size: 12.5px; color: var(--color-muted); }
.rating-breakdown__row .bar-track { height: 8px; background: var(--color-bg); border-radius: 999px; overflow: hidden; }
.rating-breakdown__row .bar-fill { height: 100%; background: var(--color-star); border-radius: 999px; }

/* Related products */
.related.products, .up-sells.upsells.products { margin-top: 50px; padding-top: 40px; border-top: 1px solid var(--color-border); }
.related.products > h2, .up-sells.upsells.products > h2 { font-size: 22px; text-align: center; margin-bottom: 28px; }
.related.products ul.products, .up-sells ul.products, ul.products { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; list-style: none; padding: 0; margin: 0; }
ul.products li.product { list-style: none; }

/* ==========================================================================
   16e. BLOG SINGLE POST + COMMENTS
   ========================================================================== */
.single-post { max-width: 820px; margin: 0 auto; }
.single-post__header { text-align: center; margin-bottom: 24px; }
.single-post__title { font-size: clamp(24px, 3.4vw, 36px); margin: 10px 0 16px; }
.single-post__meta { display: flex; align-items: center; justify-content: center; gap: 10px; color: var(--color-muted); font-size: 13.5px; }
.single-post__meta img { border-radius: 50%; }
.single-post__thumb { border-radius: var(--radius); overflow: hidden; margin-bottom: 28px; }
.single-post__content { font-size: 16px; line-height: 1.9; }
.single-post__content h2 { font-size: 22px; margin-top: 1.6em; }
.single-post__content h3 { font-size: 18px; margin-top: 1.4em; }
.single-post__content img { border-radius: var(--radius-sm); }
.single-post__content ul, .single-post__content ol { padding-left: 1.4em; margin-bottom: 1em; list-style: revert; }
.single-post__content blockquote { border-left: 4px solid var(--color-primary); padding: 4px 20px; color: var(--color-muted); font-style: italic; margin: 1.6em 0; }
.single-post__footer { margin-top: 28px; }
.single-post__tags { display: flex; gap: 8px; flex-wrap: wrap; }

.comments-area { max-width: 820px; margin: 40px auto 0; padding-top: 30px; border-top: 1px solid var(--color-border); }
.comments-title { font-size: 20px; margin-bottom: 22px; }
.comment-list { list-style: none; padding: 0; }
.comment-avatar img { border-radius: 50%; }
.comment-respond { margin-top: 30px; }
.comment-reply-title { font-size: 18px; margin-bottom: 16px; }
.comment-form-comment textarea, .comment-form input[type="text"], .comment-form input[type="email"], .comment-form input[type="url"] {
	width: 100%; padding: 13px 16px; border: 2px solid var(--color-border); border-radius: var(--radius-sm); margin-bottom: 14px; font-family: inherit; font-size: 14.5px;
}
.comment-form-comment textarea:focus, .comment-form input:focus { border-color: var(--color-primary); outline: none; }
.comment-reply-link { font-size: 12.5px; font-weight: 700; color: var(--color-primary); }

/* ==========================================================================
   16f. CART / CHECKOUT / ACCOUNT (dùng template WooCommerce gốc, style lại bằng CSS)
   ========================================================================== */
table.shop_table, .shop_table {
	width: 100%; border-collapse: collapse; background: var(--color-white); border: 1px solid var(--color-border);
	border-radius: var(--radius); overflow: hidden; margin-bottom: 26px;
}
table.shop_table th { background: var(--color-bg); text-align: left; padding: 14px 16px; font-size: 13px; text-transform: uppercase; letter-spacing: .03em; color: var(--color-muted); }
table.shop_table td { padding: 16px; border-top: 1px solid var(--color-border); font-size: 14.5px; vertical-align: middle; }
table.shop_table td.product-thumbnail img { width: 70px; border-radius: var(--radius-sm); }
table.shop_table td.product-remove a { color: var(--color-primary); font-size: 20px; }
.woocommerce-cart-form .quantity input { width: 64px; padding: 10px; border: 2px solid var(--color-border); border-radius: var(--radius-sm); text-align: center; }
.cart-collaterals { display: flex; justify-content: flex-end; margin-top: 10px; }
.cart_totals { width: 100%; max-width: 380px; background: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 22px; }
.cart_totals h2 { font-size: 18px; margin-bottom: 14px; }
.cart_totals table { width: 100%; }
.cart_totals table th, .cart_totals table td { padding: 10px 0; border-top: 1px solid var(--color-border); font-size: 14px; }
.cart_totals .order-total .amount { color: var(--color-primary); font-weight: 800; font-size: 18px; }
.wc-proceed-to-checkout a { display: flex; }

.woocommerce-checkout .col2-set, .woocommerce-checkout .col-1, .woocommerce-checkout .col-2 { max-width: 100%; }
.woocommerce-checkout form .form-row { margin-bottom: 16px; }
.woocommerce-checkout form .form-row label { display: block; font-size: 13.5px; font-weight: 700; margin-bottom: 6px; }
.woocommerce-checkout form input.input-text, .woocommerce-checkout form select, .woocommerce-checkout form textarea {
	width: 100%; padding: 13px 15px; border: 2px solid var(--color-border); border-radius: var(--radius-sm); font-size: 14.5px; font-family: inherit;
}
.woocommerce-checkout form input.input-text:focus, .woocommerce-checkout form select:focus { border-color: var(--color-primary); outline: none; }
#order_review, .woocommerce-checkout-review-order { background: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 22px; }
.woocommerce-checkout-review-order-table th, .woocommerce-checkout-review-order-table td { padding: 12px 0; border-top: 1px solid var(--color-border); font-size: 14px; }
.wc_payment_methods { list-style: none; padding: 0; margin: 18px 0; }
.wc_payment_method { border: 2px solid var(--color-border); border-radius: var(--radius-sm); padding: 14px; margin-bottom: 10px; }
.wc_payment_method label { font-weight: 700; font-size: 14px; }
#place_order { width: 100%; padding: 16px; font-size: 16px; }

.woocommerce-account .woocommerce-MyAccount-navigation ul { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 26px; list-style: none; padding: 0; }
.woocommerce-account .woocommerce-MyAccount-navigation a { padding: 10px 18px; background: var(--color-white); border: 1px solid var(--color-border); border-radius: 999px; font-size: 13.5px; font-weight: 700; }
.woocommerce-account .woocommerce-MyAccount-navigation li.is-active a { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
.woocommerce-form-login input, .woocommerce-form-register input { width: 100%; max-width: 380px; padding: 13px 15px; border: 2px solid var(--color-border); border-radius: var(--radius-sm); margin-bottom: 14px; }
.woocommerce-form-row label { display:block; font-weight: 700; font-size: 13.5px; margin-bottom: 6px; }

@media (max-width: 860px) {
	table.shop_table thead { display: none; }
	table.shop_table tr { display: block; padding: 14px 0; border-top: 1px solid var(--color-border); }
	table.shop_table td { display: flex; justify-content: space-between; align-items: center; border: none; padding: 6px 16px; }
	.cart_totals { max-width: 100%; }
}

/* ==========================================================================
   17. RESPONSIVE
   ========================================================================== */
@media (max-width: 1024px) {
	.category-grid { grid-template-columns: repeat(4, 1fr); }
	.product-grid, .product-grid--5, ul.products { grid-template-columns: repeat(3, 1fr); }
	.footer-grid { grid-template-columns: 1fr 1fr; }
	.trust-bar .mcbt-container { grid-template-columns: repeat(2, 1fr); }
	.post-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 860px) {
	:root { --header-h: 64px; }
	.topbar { display: none; }
	.site-search { display: none; }
	.primary-nav { display: none; }
	.mobile-toggle { display: block; }
	.header-actions { gap: 16px; }
	.hero .mcbt-container { grid-template-columns: 1fr; min-height: auto; padding-top: 40px; padding-bottom: 40px; }
	.hero__image { order: -1; }
	.promo-grid { grid-template-columns: 1fr; }
	.section { padding: 34px 0; }
	.single-product { grid-template-columns: 1fr; gap: 22px; }
	.single-product__summary { position: static; max-height: none; overflow: visible; border: none; padding: 0; box-shadow: none; }
	.related.products ul.products, .up-sells ul.products, ul.products { grid-template-columns: repeat(2, 1fr); }
	.woocommerce-tabs ul.tabs { overflow-x: auto; flex-wrap: nowrap; }

	/* off-canvas mobile menu: nội dung con (khối ẩn/hiện gốc đã chuyển ra ngoài media query ở trên) */
	.mobile-nav__header { display: flex; align-items: center; justify-content: space-between; padding: 16px 18px; border-bottom: 1px solid var(--color-border); }
	.mobile-nav__close { background: none; border: none; padding: 6px; }
	.mobile-nav__close svg { width: 22px; height: 22px; }
	.mobile-nav ul li a { display: flex; justify-content: space-between; align-items: center; padding: 14px 18px; border-bottom: 1px solid var(--color-border); font-weight: 600; }
	.mobile-nav .sub-menu { padding-left: 14px; display: none; background: var(--color-bg); }
	.mobile-nav .sub-menu.is-open { display: block; }

	.mobile-bar {
		display: flex; position: fixed; bottom: 0; left: 0; right: 0; z-index: 400; background: #fff;
		border-top: 1px solid var(--color-border); box-shadow: 0 -4px 12px rgba(0,0,0,.08);
	}
	.mobile-bar a, .mobile-bar button {
		flex: 1; display: flex; flex-direction: column; align-items: center; gap: 3px; padding: 8px 4px 10px;
		font-size: 10.5px; color: var(--color-text); background: none; border: none; position: relative;
	}
	.mobile-bar svg { width: 22px; height: 22px; }
	.mobile-bar .is-primary { color: var(--color-primary); }
	body.has-mobile-bar { padding-bottom: 62px; }
}

@media (max-width: 640px) {
	.category-grid { grid-template-columns: repeat(3, 1fr); }
	.product-grid, .product-grid--5, ul.products { grid-template-columns: repeat(2, 1fr); }
	.footer-grid { grid-template-columns: 1fr 1fr; }
	.trust-bar .mcbt-container { grid-template-columns: repeat(2, 1fr); }
	.post-grid { grid-template-columns: 1fr; }
	.mcbt-container { padding: 0 16px; }
}