/* ============================================
   TikTok Affiliate Shop — Main
   ============================================ */

/* ---- Theme: tách nền trang / chữ khỏi --dark (tránh lệch header) ---- */
[data-theme="dark"] {
    --page-bg: #0c0e18;
    --text-body: #e8eaf6;
    --text-muted: #9ca3af;
    --surface: #16192b;
    --surface-2: #1e2238;
    --gray: #9ca3af;
    --gray-light: #6b7280;
    --border: #2d3252;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.35);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
    --primary-soft: rgba(254, 44, 85, 0.22);
    /* Giữ cho nút TikTok/Shopee */
    --dark-soft: #252840;
    --ui-dark: #0a0b14;
    --dark: #0a0b14;
}

:root,
[data-theme="light"] {
    --page-bg: #f1f3f5;
    --text-body: #0f0f1a;
    --text-muted: #6c757d;
    --surface: #ffffff;
    --surface-2: #f8f9fa;
    --gray: #6c757d;
    --gray-light: #adb5bd;
    --border: #e9ecef;
    --shadow-sm: 0 1px 3px rgba(15, 15, 26, 0.06);
    --shadow-md: 0 8px 24px rgba(15, 15, 26, 0.08);
    --shadow-lg: 0 16px 48px rgba(15, 15, 26, 0.12);
    --primary-soft: rgba(254, 44, 85, 0.12);
    --dark-soft: #1a1a2e;
}

:root {
    --primary: #fe2c55;
    --primary-dark: #d91f47;
    --secondary: #25f4ee;
    /* Gradient header/footer (không trùng --text-body) */
    --dark: #0f0f1a;
    --ui-dark: #0f0f1a;
    --radius: 14px;
    --radius-sm: 10px;
    --transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
    --header-h: 64px;
}

/* Header luôn tối (brand), không dùng var chữ */
[data-theme="dark"] .header,
[data-theme="dark"] .header::after {
    background: linear-gradient(180deg, #0a0b14 0%, #12131f 100%);
}

.header,
.header::after {
    background: linear-gradient(180deg, #0f0f1a 0%, #16162a 100%);
    color: #fff;
}

*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
    background: var(--page-bg);
}

/* Google Translate hay ghi đè màu body — ép theo theme */
html.translated-ltr body,
html.translated-rtl body {
    background: var(--page-bg) !important;
    color: var(--text-body) !important;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--page-bg) !important;
    color: var(--text-body) !important;
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    width: 100%;
    max-width: 100%;
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    transition: background 0.28s ease, color 0.28s ease;
}

a {
    text-decoration: none;
    color: inherit;
}

img {
    max-width: 100%;
    height: auto;
}

.container {
    max-width: 1220px;
    margin: 0 auto;
    padding: 0 clamp(16px, 4vw, 24px);
}

/* ========== Header ========== */
.header {
    background: linear-gradient(180deg, var(--dark) 0%, #16162a 100%);
    color: #fff;
    padding: 0;
    position: sticky;
    top: 0;
    /* Context xếp lớp: .header-inner < .nav-backdrop.is-open < .main-nav.is-open (menu mobile) */
    z-index: 260;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    transition: box-shadow 0.35s ease, transform 0.35s ease;
}

.header::after {
    content: "";
    display: block;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--secondary), var(--primary));
    background-size: 200% 100%;
    animation: headerShine 4s linear infinite;
    opacity: 0.85;
}

@keyframes headerShine {
    0% { background-position: 0% 50%; }
    100% { background-position: 200% 50%; }
}

.header--scrolled {
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.22);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: var(--header-h);
    gap: 12px;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    position: relative;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: clamp(1rem, 2.5vw, 1.35rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    flex: 0 1 auto;
    color: inherit;
    min-width: 0;
}

.logo__img {
    width: 44px;
    height: 44px;
    object-fit: contain;
    border-radius: 12px;
    background: transparent;
    padding: 0;
    flex-shrink: 0;
    /* Không thêm nền trắng — PNG alpha hiển thị trực tiếp trên header tối */
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.35));
    animation: logoFadeIn 0.55s cubic-bezier(0.22, 1, 0.36, 1) 0.08s backwards;
}

.logo__text {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

@keyframes logoFadeIn {
    from {
        opacity: 0;
        transform: scale(0.92);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Mobile menu toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    padding: 10px;
    border: none;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.08);
    cursor: pointer;
    transition: var(--transition);
    flex-shrink: 0;
}

.nav-toggle:hover {
    background: rgba(255, 255, 255, 0.14);
}

.nav-toggle-bar {
    display: block;
    height: 2px;
    width: 100%;
    background: #fff;
    border-radius: 2px;
    transition: var(--transition);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.main-nav {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

/* Panel menu mobile (ẩn trên desktop) */
.main-nav__sheet {
    display: none;
}

.nav-menu {
    display: flex;
    gap: 8px;
    list-style: none;
    align-items: center;
}

.nav-menu a,
.nav-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: 999px;
    color: rgba(255, 255, 255, 0.88);
    font-weight: 600;
    font-size: 0.88rem;
    transition: transform 0.2s ease, box-shadow 0.25s ease, background 0.25s ease, color 0.2s ease;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.nav-pill i {
    font-size: 0.85rem;
    opacity: 0.9;
}

.nav-menu a:hover,
.nav-pill:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.nav-pill--active,
.nav-menu a.nav-pill--active {
    color: #fff;
    background: linear-gradient(135deg, rgba(254, 44, 85, 0.45), rgba(214, 31, 71, 0.35));
    border-color: rgba(254, 44, 85, 0.5);
    box-shadow: 0 4px 18px rgba(254, 44, 85, 0.35);
}

.nav-pill--active:hover {
    filter: brightness(1.06);
    transform: translateY(-2px);
}

/* ========== Hero ========== */
.hero {
    position: relative;
    background: linear-gradient(145deg, #12122a 0%, #1a1a3e 45%, #252548 100%);
    color: #fff;
    padding: clamp(40px, 8vw, 72px) 0;
    text-align: center;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(254, 44, 85, 0.25), transparent),
        radial-gradient(ellipse 60% 40% at 100% 50%, rgba(37, 244, 238, 0.08), transparent);
    pointer-events: none;
}

.hero .container {
    position: relative;
    z-index: 1;
    animation: heroFadeIn 0.85s ease backwards;
}

@keyframes heroFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero h1 {
    font-size: clamp(1.35rem, 4.2vw, 2.35rem);
    font-weight: 700;
    line-height: 1.25;
    margin-bottom: 14px;
    letter-spacing: -0.03em;
    text-wrap: balance;
    word-break: break-word;
    overflow-wrap: anywhere;
    padding: 0 2px;
}

.hero p {
    font-size: clamp(0.9rem, 2vw, 1.08rem);
    opacity: 0.88;
    max-width: 34em;
    margin: 0 auto;
    line-height: 1.65;
    word-break: break-word;
    overflow-wrap: anywhere;
    padding: 0 2px;
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 12px;
    margin-top: clamp(22px, 4vw, 32px);
}

.hero__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 22px;
    border-radius: 999px;
    font-weight: 700;
    font-size: 0.95rem;
    text-decoration: none;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.25);
    transition: transform var(--transition), box-shadow var(--transition), filter var(--transition);
}

.hero__btn:hover {
    transform: translateY(-2px);
    filter: brightness(1.06);
    color: #fff;
}

.hero__btn:active {
    transform: translateY(0);
}

.hero__btn i {
    font-size: 1.2rem;
}

.hero__btn--tiktok {
    background: linear-gradient(135deg, #fe2c55 0%, #d91f47 100%);
    box-shadow: 0 8px 28px rgba(254, 44, 85, 0.4);
}

.hero__btn--shopee {
    background: linear-gradient(135deg, #ee4d2d 0%, #d73216 100%);
    box-shadow: 0 8px 28px rgba(238, 77, 45, 0.35);
}

/* ========== Filter bar ========== */
.filter-bar {
    background: var(--surface);
    padding: clamp(16px, 3vw, 22px) 0;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: var(--header-h);
    z-index: 50;
}

.filter-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: stretch;
    flex-wrap: wrap;
    gap: 14px;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    box-sizing: border-box;
}

.category-tabs {
    display: flex;
    gap: 8px;
    flex-wrap: nowrap;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior-x: contain;
    scrollbar-width: thin;
    scrollbar-color: var(--border) transparent;
    padding: 4px 0 10px;
    margin: 0 -2px;
    padding-left: 2px;
    padding-right: 2px;
    flex: 1 1 auto;
    min-width: 0;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    /* Bỏ mask: một số WebView Android làm lệch/cắt nội dung */
}

.category-tabs::-webkit-scrollbar {
    height: 4px;
}

.category-tabs::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 4px;
}

.category-tab {
    flex-shrink: 0;
    padding: 10px 18px;
    border-radius: 999px;
    background: var(--surface-2);
    color: var(--gray);
    font-weight: 600;
    font-size: 0.875rem;
    transition: transform 0.2s ease, box-shadow 0.25s ease, border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
    border: 1px solid transparent;
    white-space: nowrap;
}

.category-tab:active {
    transform: scale(0.96);
}

.category-tab:hover {
    border-color: var(--primary-soft);
    color: var(--primary);
    background: var(--surface);
}

.category-tab.active {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 4px 14px rgba(254, 44, 85, 0.35);
}

.search-box {
    display: flex;
    align-items: center;
    background: var(--surface-2);
    border-radius: 999px;
    padding: 4px 6px 4px 16px;
    border: 1px solid var(--border);
    transition: var(--transition);
    min-width: min(100%, 260px);
    flex: 0 1 auto;
    max-width: 100%;
    box-sizing: border-box;
}

.search-box:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-soft);
    background: var(--surface);
}

.search-box input {
    border: none;
    background: transparent;
    padding: 10px 8px;
    flex: 1;
    min-width: 0;
    outline: none;
    font-size: 0.95rem;
    color: var(--text-body);
}

.search-box button {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--ui-dark);
    border: none;
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.search-box button:hover {
    background: var(--primary);
}

/* ========== Products ========== */
.products-section {
    padding: clamp(28px, 5vw, 48px) 0 56px;
    scroll-margin-top: calc(var(--header-h) + 72px);
}

/* Thanh meta + phân trang phía trên lưới */
.products-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 16px 20px;
    margin-bottom: 22px;
    padding: 14px 18px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    animation: toolbarIn 0.55s cubic-bezier(0.22, 1, 0.36, 1) 0.08s backwards;
}

@keyframes toolbarIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.products-toolbar__left {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 14px 18px;
    min-width: 0;
}

.products-toolbar__perpage {
    display: inline-flex;
    align-items: baseline;
    gap: 2px;
    font-weight: 800;
    font-size: 1.15rem;
    color: var(--primary);
    letter-spacing: -0.03em;
    padding: 6px 12px;
    border-radius: 10px;
    background: var(--primary-soft);
    border: 1px solid rgba(254, 44, 85, 0.2);
}

.products-toolbar__perpage-sub {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--gray);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.products-toolbar__meta {
    margin: 0;
    font-size: 0.9rem;
    color: var(--gray);
    line-height: 1.45;
}

.products-toolbar__meta strong {
    color: var(--text-body);
}

.products-toolbar__pager {
    flex-shrink: 0;
}

.products-grid--affiliate {
    display: grid;
    gap: clamp(16px, 3vw, 24px);
    justify-items: stretch;
    justify-content: start;
    align-content: start;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    padding: 2px;
    margin: 0 -2px;
}

/* PC: lưới đều, thẻ full ô — tránh 1 sản phẩm “lơ lửng” giữa màn hình */
@media (min-width: 769px) {
    .filter-bar .container {
        align-items: center;
    }

    .products-grid--affiliate {
        grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    }
}

.affiliate-card {
    background: var(--surface);
    border-radius: var(--radius);
    padding: clamp(14px, 2.5vw, 18px);
    width: 100%;
    max-width: none;
    margin: 0;
    min-width: 0;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border);
    text-align: center;
    transition: transform var(--transition), box-shadow var(--transition), border-color 0.25s ease;
    animation: cardEnter 0.52s cubic-bezier(0.22, 1, 0.36, 1) backwards;
    animation-delay: calc(var(--card-i, 0) * 0.04s);
}

@keyframes cardEnter {
    from {
        opacity: 0;
        transform: translateY(22px) scale(0.97);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.affiliate-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
    border-color: rgba(254, 44, 85, 0.15);
}

.affiliate-card__link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.affiliate-card__link:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 4px;
    border-radius: var(--radius-sm);
}

.affiliate-card__link:hover .affiliate-card__title {
    color: var(--primary);
}

.affiliate-card__img {
    width: 100%;
    border-radius: var(--radius-sm);
    object-fit: cover;
    aspect-ratio: 1;
    display: block;
    background: linear-gradient(145deg, #eee, #e2e2e8);
    transition: transform 0.35s ease;
}

.affiliate-card:hover .affiliate-card__img {
    transform: scale(1.02);
}

.affiliate-card__img--placeholder {
    min-height: 200px;
    background: linear-gradient(145deg, #ececf0 0%, #dfe3e8 100%);
}

.affiliate-card__title {
    font-size: clamp(0.9rem, 2vw, 1rem);
    font-weight: 600;
    color: var(--text-body);
    margin: 14px 0 10px;
    line-height: 1.45;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color var(--transition);
    word-break: break-word;
    overflow-wrap: anywhere;
}

.affiliate-card__price {
    font-size: 0.95rem;
    margin: 0 0 8px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.affiliate-card__price-current {
    font-weight: 800;
    font-size: 1.05rem;
    color: var(--primary);
    letter-spacing: -0.02em;
}

.affiliate-card__price-old {
    font-size: 0.82rem;
    color: var(--gray-light);
    text-decoration: line-through;
}

.affiliate-card__badge {
    font-size: 11px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    padding: 3px 9px;
    border-radius: 6px;
}

.affiliate-card__meta {
    font-size: 0.8rem;
    color: var(--gray);
    margin: 0 0 12px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-weight: 500;
}

.affiliate-card__btn {
    display: block;
    width: 100%;
    padding: 13px 16px;
    text-decoration: none;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 0.92rem;
    color: #fff;
    transition: transform var(--transition), box-shadow var(--transition), filter var(--transition);
    margin-top: 4px;
}

.affiliate-card__btn:hover {
    transform: translateY(-1px);
    filter: brightness(1.05);
    color: #fff;
}

.affiliate-card__btn:active {
    transform: translateY(0);
}

.affiliate-card__btn--tiktok {
    background: linear-gradient(135deg, #fe2c55 0%, #d91f47 100%);
    box-shadow: 0 6px 18px rgba(254, 44, 85, 0.35);
}

.affiliate-card__btn--shopee {
    background: linear-gradient(135deg, #ee4d2d 0%, #d73216 100%);
    box-shadow: 0 6px 18px rgba(238, 77, 45, 0.35);
}

.affiliate-card__btn--default {
    background: linear-gradient(135deg, var(--dark-soft) 0%, var(--ui-dark) 100%);
    box-shadow: var(--shadow-sm);
}

/* ========== Empty ========== */
.empty-state {
    text-align: center;
    padding: clamp(48px, 10vw, 80px) 20px;
    color: var(--gray);
    background: var(--surface);
    border-radius: var(--radius);
    border: 1px dashed var(--border);
    margin: 20px 0;
}

.empty-state i {
    font-size: clamp(3rem, 8vw, 4rem);
    margin-bottom: 16px;
    color: #dee2e6;
}

.empty-state h3 {
    font-size: 1.25rem;
    margin-bottom: 8px;
    color: var(--text-body);
}

/* ========== Pagination ========== */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
}

.pagination--toolbar {
    justify-content: flex-end;
    margin: 0;
}

.pagination--bottom {
    margin-top: 36px;
    padding-bottom: 8px;
}

.pagination-wrap {
    width: 100%;
}

.pagination__arrow,
.pagination__num {
    min-width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 10px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.88rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text-body);
    box-shadow: var(--shadow-sm);
    text-decoration: none;
}

.pagination__arrow {
    min-width: 44px;
}

.pagination a.pagination__arrow:hover,
.pagination a.pagination__num:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(254, 44, 85, 0.18);
}

.pagination__arrow--disabled,
.pagination__num--current {
    cursor: default;
    pointer-events: none;
}

.pagination__arrow--disabled {
    opacity: 0.35;
    background: var(--surface-2);
}

.pagination__num--current {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    border-color: transparent;
    box-shadow: 0 4px 14px rgba(254, 44, 85, 0.35);
}

.pagination__ellipsis {
    display: inline-flex;
    align-items: center;
    padding: 0 4px;
    color: var(--gray-light);
    font-weight: 700;
    user-select: none;
}

/* ========== Footer ========== */
.footer {
    background: linear-gradient(180deg, #16162a 0%, var(--dark) 100%);
    color: rgba(255, 255, 255, 0.75);
    padding: 28px 0;
    text-align: center;
    margin-top: auto; /* footer dính đáy khi nội dung ngắn */
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer p {
    font-size: 0.9rem;
}

body {
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
}

.products-section {
    /* Không dùng flex:1 — tránh khoảng trống “giả” giữa filter và lưới trên PC */
    width: 100%;
    max-width: 100%;
    min-width: 0;
    box-sizing: border-box;
}

.products-section .container {
    width: 100%;
    max-width: 100%;
    min-width: 0;
}

/* ---- Menu mobile: overlay + drawer (thứ tự lớp trong .header) ---- */
.nav-backdrop {
    position: fixed;
    inset: 0;
    z-index: 0;
    background: rgba(15, 23, 42, 0.55);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.28s ease, visibility 0.28s ease;
    pointer-events: none;
}

.nav-backdrop.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    z-index: 5;
}

.main-nav__sheet-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: max(16px, env(safe-area-inset-top)) 16px 18px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    flex-shrink: 0;
}

.main-nav__brand {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
    color: #fff;
    text-decoration: none;
}

.main-nav__brand-logo {
    width: 48px;
    height: 48px;
    max-width: 48px;
    max-height: 48px;
    object-fit: contain;
    border-radius: 12px;
    background: transparent;
    padding: 0;
    flex-shrink: 0;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.4));
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    transform: translateZ(0);
}

.main-nav__brand-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
    text-align: left;
}

.main-nav__brand-text strong {
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.main-nav__brand-text small {
    font-size: 0.75rem;
    color: #94a3b8;
    font-weight: 500;
}

.main-nav__close {
    width: 44px;
    height: 44px;
    border: none;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.08);
    color: #cbd5e1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: background 0.2s ease, color 0.2s ease;
    flex-shrink: 0;
}

.main-nav__close:hover {
    background: rgba(255, 255, 255, 0.14);
    color: #fff;
}

.main-nav__sheet-label {
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #64748b;
    padding: 20px 16px 8px;
    margin: 0;
}

.main-nav__sheet-list {
    list-style: none;
    margin: 0;
    padding: 0 8px;
}

.main-nav__sheet-list li {
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.main-nav__sheet-link {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 10px;
    color: #f1f5f9;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: background 0.2s ease, color 0.2s ease;
}

.main-nav__sheet-link:hover {
    background: rgba(255, 255, 255, 0.06);
}

.main-nav__sheet-link--accent {
    color: #fbbf24;
}

.main-nav__icon {
    width: 24px;
    text-align: center;
    flex-shrink: 0;
}

.main-nav__icon--yellow {
    color: #fbbf24;
}

.main-nav__icon--fb {
    color: #3b82f6;
}

.main-nav__icon--msg {
    color: #0ea5e9;
}

.main-nav__icon--phone {
    color: #22c55e;
}

.main-nav__icon--tiktok {
    color: #fe2c55;
}

.main-nav__icon--shopee {
    color: #ee4d2d;
}

@media (min-width: 769px) {
    .nav-backdrop {
        display: none !important;
        pointer-events: none !important;
    }

    /* main-nav là con trực tiếp của .header: cho click xuyên vùng trống giữa logo và cột phải */
    .header-inner {
        pointer-events: none;
    }

    .header-inner .logo,
    .header-inner .header-bar-right {
        pointer-events: auto;
    }

    .main-nav {
        position: absolute;
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%);
        z-index: 3;
        pointer-events: auto;
    }
}

/* ========== Responsive: public ========== */
@media (max-width: 768px) {
    :root {
        --header-h: 58px;
    }

    .container {
        padding-left: max(16px, env(safe-area-inset-left));
        padding-right: max(16px, env(safe-area-inset-right));
    }

    .header {
        padding-left: env(safe-area-inset-left);
        padding-right: env(safe-area-inset-right);
    }

    .header-inner {
        z-index: 2;
        pointer-events: auto;
    }

    .nav-toggle {
        display: flex;
    }

    /* Tránh blur GPU làm “cả màn” mờ trên một số mobile; chỉ tối nền */
    .nav-backdrop {
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        background: rgba(15, 23, 42, 0.68);
    }

    /* Drawer phải (cùng phía nút menu), bo góc phía nội dung */
    .main-nav {
        position: fixed;
        top: 0;
        right: 0;
        left: auto;
        bottom: 0;
        width: min(82vw, 300px);
        max-width: 100%;
        flex-direction: column;
        align-items: stretch;
        padding: 0;
        padding-right: env(safe-area-inset-right);
        padding-left: 0;
        box-sizing: border-box;
        background: linear-gradient(180deg, #1e293b 0%, #172033 100%);
        box-shadow: -12px 0 40px rgba(0, 0, 0, 0.4);
        border-left: 1px solid rgba(255, 255, 255, 0.08);
        border-radius: 18px 0 0 18px;
        transform: translateX(108%);
        opacity: 1;
        visibility: visible;
        pointer-events: none;
        transition: transform 0.34s cubic-bezier(0.32, 0.72, 0, 1);
        z-index: 1;
        flex-shrink: 0;
        overflow: hidden;
    }

    .main-nav.is-open {
        transform: translateX(0);
        pointer-events: auto;
        z-index: 6;
    }

    .main-nav__sheet-head {
        flex-direction: row-reverse;
    }

    .main-nav__brand-text {
        text-align: right;
    }

    .main-nav__sheet {
        display: flex;
        flex-direction: column;
        flex: 1;
        min-height: 0;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        padding-bottom: max(20px, env(safe-area-inset-bottom));
    }

    .main-nav__sheet-label {
        padding: 14px 16px 6px;
    }

    .main-nav__sheet-list li:last-child {
        border-bottom: none;
    }

    .nav-menu--desktop {
        display: none !important;
    }

    .logo {
        flex: 1 1 0;
        min-width: 0;
    }

    .products-toolbar {
        flex-direction: column;
        align-items: stretch;
        padding: 12px 14px;
        gap: 14px;
    }

    .products-toolbar__left {
        flex-direction: column;
        align-items: flex-start;
    }

    .pagination--toolbar {
        justify-content: center;
        width: 100%;
    }

    .filter-bar {
        top: var(--header-h);
        padding-left: 0;
        padding-right: 0;
    }

    .filter-bar .container {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }

    .search-box {
        width: 100%;
        max-width: 100%;
        min-width: 0;
        flex: none;
    }

    .category-tab {
        padding: 9px 14px;
        font-size: 0.8125rem;
    }

    .products-grid--affiliate {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 10px;
    }

    .affiliate-card {
        max-width: none;
        padding: 10px;
        margin: 0;
    }

    .affiliate-card__title {
        font-size: 0.8rem;
        margin-top: 8px;
        -webkit-line-clamp: 3;
    }

    .affiliate-card__btn {
        padding: 10px 8px;
        font-size: 0.72rem;
        line-height: 1.25;
    }

    .hero {
        padding-left: max(0px, env(safe-area-inset-left));
        padding-right: max(0px, env(safe-area-inset-right));
    }

    .pagination {
        padding-left: 4px;
        padding-right: 4px;
    }
}

@media (max-width: 380px) {
    .products-grid--affiliate {
        grid-template-columns: minmax(0, 1fr);
        gap: 14px;
    }

    .affiliate-card__btn {
        font-size: 0.8rem;
    }
}

/* ---- Reduced motion ---- */
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    .affiliate-card,
    .hero .container,
    .products-toolbar,
    .logo__img {
        animation: none !important;
    }
    .header::after {
        animation: none !important;
    }
    body {
        transition: none !important;
    }
}

/* ---- Dark: hero gradient đậm ---- */
[data-theme="dark"] .hero {
    background: linear-gradient(145deg, #0a0c1a 0%, #13142a 45%, #1a1c38 100%);
}

/* ---- Dark: img placeholder màu tối ---- */
[data-theme="dark"] .affiliate-card__img--placeholder {
    background: linear-gradient(145deg, #1e2140 0%, #181b32 100%);
}

/* ---- Dark: footer đậm ---- */
[data-theme="dark"] .footer {
    background: linear-gradient(180deg, #0d0e1f 0%, #0a0b18 100%);
}

/* ---- Dark: empty state ---- */
[data-theme="dark"] .empty-state {
    background: var(--surface);
    border-color: var(--border);
}

/* Ẩn host widget Google (chỉ dùng select tùy chỉnh) */
.google-translate-host {
    position: absolute !important;
    left: -9999px !important;
    width: 0 !important;
    height: 0 !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    pointer-events: none !important;
}

/* ---- Translate bar ---- */
.google-translate-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.google-translate-bar__label {
    font-size: 0.78rem;
    font-weight: 600;
    opacity: 0.65;
    cursor: default;
    white-space: nowrap;
    color: #fff;
    letter-spacing: 0.02em;
}

.google-translate-bar__sel {
    appearance: none;
    -webkit-appearance: none;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 8px;
    color: #fff;
    padding: 7px 32px 7px 12px;
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    outline: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23fff' opacity='.7' d='M6 8L2 4h8z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 10px;
    transition: border-color 0.2s, background-color 0.2s;
}

.google-translate-bar__sel:hover {
    background-color: rgba(255, 255, 255, 0.14);
    border-color: rgba(255, 255, 255, 0.25);
}

.google-translate-bar__sel:focus {
    border-color: rgba(254, 44, 85, 0.6);
}

.google-translate-bar__sel option {
    background: #1a1a2e;
    color: #fff;
}

[data-theme="dark"] .google-translate-bar__sel option {
    background: #16192b;
}

/* ---- Header cặp đôi (logo + translate) ---- */
.header-bar-right {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

/* Mobile responsive: header bar right */
@media (max-width: 768px) {
    .header-bar-right {
        gap: 8px;
    }

    .google-translate-bar__label {
        display: none;
    }
}