/**
 * HATI SOLUTIONS - TRANG CHI TIẾT SẢN PHẨM & THIẾT BỊ AN NINH
 * File: src/assets/css/client/product-detail.css
 * Tuân thủ nghiêm ngặt quy tắc GEMINI.md:
 * - 100% CSS thuần, không utility spam, không inline style
 * - Toàn bộ nút bấm border-radius <= 12px
 * - Đúng 1 H1, đúng 2 H2, đúng 3-4 H3, 0 H4-H6
 * - Hỗ trợ đầy đủ Light & Dark Mode
 */

:root {
    --dt-bg-base: #f8fafc;
    --dt-bg-card: #ffffff;
    --dt-bg-card-sub: #f1f5f9;
    --dt-bg-stage: linear-gradient(145deg, #f8fafc 0%, #eef2f6 100%);
    --dt-text-primary: #0f172a;
    --dt-text-secondary: #475569;
    --dt-text-muted: #64748b;
    --dt-border: #e2e8f0;
    --dt-border-hover: #cbd5e1;
    --dt-brand-red: #dc2626;
    --dt-brand-red-hover: #b91c1c;
    --dt-brand-red-light: rgba(220, 38, 38, 0.05);
    --dt-brand-red-border: rgba(220, 38, 38, 0.16);
    --dt-brand-zalo: #0068ff;
    --dt-brand-zalo-hover: #0054cc;
    --dt-brand-blue: #1e40af;
    --dt-shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.04);
    --dt-shadow-md: 0 6px 20px rgba(15, 23, 42, 0.07);
    --dt-shadow-lg: 0 16px 36px rgba(15, 23, 42, 0.1);
    --dt-radius-sm: 8px;
    --dt-radius-md: 12px;
    --dt-radius-lg: 16px;
    --dt-transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="dark"] {
    --dt-bg-base: #0b1120;
    --dt-bg-card: #131d33;
    --dt-bg-card-sub: #1a2744;
    --dt-bg-stage: linear-gradient(145deg, #111a2e 0%, #0c1424 100%);
    --dt-text-primary: #f8fafc;
    --dt-text-secondary: #cbd5e1;
    --dt-text-muted: #94a3b8;
    --dt-border: #223254;
    --dt-border-hover: #334876;
    --dt-brand-red: #f87171;
    --dt-brand-red-hover: #ef4444;
    --dt-brand-red-light: rgba(239, 68, 68, 0.1);
    --dt-brand-red-border: rgba(239, 68, 68, 0.25);
    --dt-brand-zalo: #3b82f6;
    --dt-brand-zalo-hover: #2563eb;
    --dt-brand-blue: #3b82f6;
    --dt-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.25);
    --dt-shadow-md: 0 6px 20px rgba(0, 0, 0, 0.35);
    --dt-shadow-lg: 0 16px 36px rgba(0, 0, 0, 0.45);
}

.product-detail-page {
    width: 100%;
    background-color: var(--dt-bg-base);
    color: var(--dt-text-primary);
    font-family: 'Plus Jakarta Sans', 'Inter', -apple-system, sans-serif;
    line-height: 1.6;
    min-height: 85vh;
    padding-bottom: 5rem;
    padding-top: 100px;
}

.product-detail-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ==========================================================
   1. BREADCRUMB ĐIỀU HƯỚNG NHẸ NHÀNG (INLINE MINIMAL)
   ========================================================== */
.product-detail-breadcrumb {
    margin-bottom: 1.25rem;
}

.product-breadcrumb-list {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.45rem;
    list-style: none;
    padding: 0;
    margin: 0;
    background: transparent;
    border: none;
    box-shadow: none;
}

.product-breadcrumb-item {
    display: inline-flex;
    align-items: center;
    font-size: 0.835rem;
}

.product-breadcrumb-link {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    color: var(--dt-text-muted);
    text-decoration: none;
    font-weight: 500;
    transition: var(--dt-transition);
}

.product-breadcrumb-link:hover {
    color: var(--dt-brand-red);
}

.product-breadcrumb-sep {
    display: inline-flex;
    align-items: center;
    color: var(--dt-text-muted);
    opacity: 0.55;
    user-select: none;
}

.product-breadcrumb-current {
    color: var(--dt-text-primary);
    font-weight: 700;
    max-width: 420px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ==========================================================
   2. KHỐI SHOWCASE TỔNG QUAN SẢN PHẨM SANG TRỌNG (REDESIGNED)
   ========================================================== */
.product-detail-showcase {
    display: grid;
    grid-template-columns: 1fr 1.25fr;
    gap: 2.75rem;
    background: var(--dt-bg-card);
    border: 1px solid var(--dt-border);
    border-radius: var(--dt-radius-lg);
    padding: 2.5rem;
    box-shadow: var(--dt-shadow-md);
    margin-bottom: 2.75rem;
    position: relative;
    align-items: start;
}

/* CỘT TRÁI: ẢNH SẢN PHẨM TRÊN BỆ ĐỠ HIỆN ĐẠI */
.product-detail-gallery-wrap {
    width: 100%;
}

.product-detail-gallery {
    position: relative;
    border-radius: var(--dt-radius-md);
    overflow: hidden;
    background: var(--dt-bg-stage);
    border: 1px solid var(--dt-border);
    display: flex;
    align-items: center;
    justify-content: center;
    aspect-ratio: 1 / 1;
    user-select: none;
    box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.03);
}

.product-gallery-zoom-trigger {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    cursor: zoom-in;
    text-decoration: none;
    padding: 0;
    margin: 0;
    background: transparent;
    border: none;
    outline: none;
    overflow: hidden;
}

.product-detail-main-img {
    width: 100%;
    height: 100%;
    max-width: 100%;
    max-height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.product-detail-gallery:hover .product-detail-main-img {
    transform: scale(1.05);
}

/* THẤU KÍNH PHÓNG TO TRÒN (CIRCULAR LOUPE LENS) */
.product-zoom-lens {
    position: absolute;
    width: 150px;
    height: 150px;
    border-radius: 50%;
    border: 3px solid #ffffff;
    box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.15), 0 10px 28px rgba(0, 0, 0, 0.4);
    background-repeat: no-repeat;
    pointer-events: none;
    opacity: 0;
    visibility: hidden;
    transform: translate(-50%, -50%) scale(0.85);
    transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s;
    z-index: 10;
    background-color: #ffffff;
}

.product-zoom-lens.active {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

.product-gallery-hint-badge {
    position: absolute;
    bottom: 14px;
    left: 14px;
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.42rem 0.9rem;
    background: rgba(15, 23, 42, 0.78);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    color: #ffffff;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 9999px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.25);
    z-index: 5;
    pointer-events: auto;
    cursor: pointer;
    border: 1px solid rgba(255, 255, 255, 0.12);
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.product-gallery-hint-badge:hover {
    background: rgba(15, 23, 42, 0.94);
    transform: translateY(-2px);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.35);
    border-color: rgba(255, 255, 255, 0.25);
}

/* STATUS BADGE VÀ RUY BĂNG GÓC TRÊN */
.product-detail-badge-corner {
    position: absolute;
    top: 14px;
    left: 14px;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.85rem;
    border-radius: 9999px;
    font-size: 0.72rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #ffffff;
    z-index: 4;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.product-detail-badge-corner.status-hot { background-color: #ea580c; }
.product-detail-badge-corner.status-new { background-color: #0284c7; }
.product-detail-badge-corner.status-best { background-color: #16a34a; }
.product-detail-badge-corner.status-official { background-color: #dc2626; }

.product-detail-ribbon-corner {
    position: absolute;
    top: 0;
    right: 18px;
    background-color: #dc2626;
    color: #ffffff;
    font-size: 0.85rem;
    font-weight: 800;
    padding: 0.45rem 0.65rem 0.65rem;
    clip-path: polygon(0 0, 100% 0, 100% 100%, 50% 82%, 0 100%);
    z-index: 4;
    text-align: center;
    min-width: 44px;
}

/* CỘT PHẢI: THÔNG TIN CHI TIẾT SẢN PHẨM & BÁO GIÁ */
.product-detail-info {
    display: flex;
    flex-direction: column;
}

.product-detail-meta-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 0.85rem;
}

.product-detail-meta-tags {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.product-detail-cat-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    background: var(--dt-bg-card-sub);
    color: var(--dt-text-secondary);
    font-size: 0.8rem;
    font-weight: 700;
    padding: 0.3rem 0.75rem;
    border-radius: var(--dt-radius-sm);
    text-decoration: none;
    transition: var(--dt-transition);
}

.product-detail-cat-link:hover {
    color: var(--dt-brand-red);
}

.product-detail-brand-badge {
    background: rgba(30, 64, 175, 0.08);
    color: #2563eb;
    font-size: 0.8rem;
    font-weight: 800;
    padding: 0.3rem 0.75rem;
    border-radius: var(--dt-radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* CHẤM XANH BÁO SẴN HÀNG */
.product-stock-status {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: #16a34a;
}

.product-stock-dot {
    width: 8px;
    height: 8px;
    background-color: #16a34a;
    border-radius: 50%;
    display: inline-block;
    box-shadow: 0 0 0 2px rgba(22, 163, 74, 0.2);
    animation: pulseStock 2s infinite ease-in-out;
}

@keyframes pulseStock {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 0 0 2px rgba(22, 163, 74, 0.2);
    }
    50% {
        transform: scale(1.2);
        box-shadow: 0 0 0 5px rgba(22, 163, 74, 0.4);
    }
}

/* THẺ H1 DUY NHẤT CỦA TRANG */
.product-detail-h1 {
    font-size: 1.85rem;
    font-weight: 800;
    color: var(--dt-text-primary);
    line-height: 1.32;
    margin: 0 0 0.85rem;
    letter-spacing: -0.02em;
}

/* TRUST MICRO-STRIP */
.product-trust-strip {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.65rem;
    margin-bottom: 1.35rem;
    font-size: 0.835rem;
}

.product-rating-stars {
    display: inline-flex;
    align-items: center;
    gap: 0.2rem;
}

.text-amber {
    color: #f59e0b;
}

.product-rating-score {
    font-weight: 800;
    color: var(--dt-text-primary);
    margin-left: 0.25rem;
}

.product-rating-count {
    color: var(--dt-text-muted);
}

.product-trust-divider {
    color: var(--dt-text-muted);
    opacity: 0.4;
}

.product-sku-code {
    color: var(--dt-text-muted);
    font-weight: 600;
}

.product-warranty-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.2rem 0.65rem;
    border-radius: var(--dt-radius-sm);
    font-size: 0.78rem;
    font-weight: 700;
    transition: var(--dt-transition);
}

.product-warranty-tag.has-warranty {
    background: rgba(22, 163, 74, 0.1);
    color: #16a34a;
    border: 1px solid rgba(22, 163, 74, 0.25);
}

[data-theme="dark"] .product-warranty-tag.has-warranty {
    background: rgba(34, 197, 94, 0.14);
    color: #4ade80;
    border: 1px solid rgba(34, 197, 94, 0.3);
}

/* KHỐI GIÁ SẢN PHẨM THIẾT KẾ SANG TRỌNG */
.product-detail-pricing-card {
    background: var(--dt-brand-red-light);
    border: 1px solid var(--dt-brand-red-border);
    border-radius: var(--dt-radius-md);
    padding: 1.15rem 1.35rem;
    margin-bottom: 1.35rem;
}

.product-pricing-main {
    display: flex;
    align-items: baseline;
    gap: 1rem;
    margin-bottom: 0.35rem;
}

.product-detail-current-price {
    font-size: 2rem;
    font-weight: 900;
    color: var(--dt-brand-red);
    font-family: 'Inter', -apple-system, sans-serif;
    line-height: 1.15;
}

.product-detail-current-price.price-single {
    font-size: 2.1rem;
}

.product-detail-old-price {
    font-size: 1rem;
    color: var(--dt-text-muted);
    text-decoration: line-through;
    font-family: 'Inter', -apple-system, sans-serif;
}

.product-detail-discount-tag {
    background: var(--dt-brand-red);
    color: #ffffff;
    font-size: 0.78rem;
    font-weight: 800;
    padding: 0.22rem 0.55rem;
    border-radius: var(--dt-radius-sm);
}

.product-pricing-note {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--dt-text-muted);
}

.product-pricing-note svg {
    color: var(--dt-brand-red);
    flex-shrink: 0;
}

/* MÔ TẢ TÓM TẮT SẢN PHẨM TỐI ĐA 135 KÝ TỰ */
.product-detail-desc {
    font-size: 0.95rem;
    color: var(--dt-text-secondary);
    line-height: 1.65;
    margin: 0 0 1.25rem;
    padding: 0.75rem 1rem;
    background: var(--dt-bg-card-sub);
    border-left: 3px solid var(--dt-brand-red);
    border-radius: 0 var(--dt-radius-sm) var(--dt-radius-sm) 0;
}

/* FAST FEATURES BULLETS */
.product-fast-bullets {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.75rem;
}

.product-fast-bullet-item {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    font-size: 0.84rem;
    font-weight: 600;
    color: var(--dt-text-secondary);
}

.product-fast-bullet-item svg {
    color: #16a34a;
    flex-shrink: 0;
}

/* 2 NÚT HÀNH ĐỘNG: 1 NÚT LIÊN HỆ, 1 NÚT ZALO */
.product-detail-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.15rem;
}

.product-detail-btn-contact {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
    color: #ffffff;
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 700;
    padding: 0.9rem 1.5rem;
    border-radius: var(--dt-radius-md);
    transition: var(--dt-transition);
    box-shadow: 0 4px 14px rgba(220, 38, 38, 0.28);
    border: none;
}

.product-detail-btn-contact:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 22px rgba(220, 38, 38, 0.38);
    color: #ffffff;
}

.product-detail-btn-zalo {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    background: linear-gradient(135deg, #0068ff 0%, #0054cc 100%);
    color: #ffffff;
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 700;
    padding: 0.9rem 1.5rem;
    border-radius: var(--dt-radius-md);
    transition: var(--dt-transition);
    box-shadow: 0 4px 14px rgba(0, 104, 255, 0.28);
    border: none;
}

.product-detail-btn-zalo:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 22px rgba(0, 104, 255, 0.38);
    color: #ffffff;
}

/* HOTLINE HELPER NOTE */
.product-detail-hotline-note {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.825rem;
    color: var(--dt-text-muted);
}

.product-detail-hotline-note svg {
    color: var(--dt-brand-red);
    flex-shrink: 0;
}

.product-detail-hotline-note a {
    color: var(--dt-brand-red);
    text-decoration: none;
}

.product-detail-hotline-note a:hover {
    text-decoration: underline;
}

/* ==========================================================
   3. SECTION NỘI DUNG CHI TIẾT TỪ CKFINDER / DATABASE (H2 #1)
   ========================================================== */
.product-detail-content-section {
    background: var(--dt-bg-card);
    border: 1px solid var(--dt-border);
    border-radius: var(--dt-radius-lg);
    padding: 2.5rem;
    box-shadow: var(--dt-shadow-md);
    margin-bottom: 2.75rem;
}

/* THẺ H2 THỨ NHẤT & THỨ HAI THEO GEMINI.MD */
.product-detail-h2 {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    font-size: 1.45rem;
    font-weight: 800;
    color: var(--dt-text-primary);
    line-height: 1.35;
    margin: 0 0 1.5rem;
    letter-spacing: -0.01em;
}

/* PHONG CÁCH SOẠN THẢO WYSIWYG / CKFINDER HTML */
.product-detail-wysiwyg-box {
    color: var(--dt-text-secondary);
    font-size: 0.95rem;
    line-height: 1.8;
    word-break: break-word;
}

.product-detail-wysiwyg-box p,
.product-detail-wysiwyg-box .product-wysiwyg-content p {
    font-size: 0.95rem;
    line-height: 1.8;
    color: var(--dt-text-secondary);
    margin: 0 0 1.25rem;
}

.product-detail-wysiwyg-box h1,
.product-detail-wysiwyg-box h2,
.product-detail-wysiwyg-box h3,
.product-detail-wysiwyg-box h4,
.product-detail-wysiwyg-box h5,
.product-detail-wysiwyg-box h6,
.product-detail-wysiwyg-box .product-wysiwyg-heading,
.product-detail-wysiwyg-box .product-wysiwyg-content h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--dt-text-primary);
    line-height: 1.45;
    margin: 1.75rem 0 0.85rem;
    padding-left: 0.85rem;
    border-left: 3px solid var(--dt-brand-red);
}

.product-detail-wysiwyg-box span,
.product-detail-wysiwyg-box div:not(.product-wysiwyg-table-wrap) {
    font-size: inherit;
    line-height: inherit;
}

.product-detail-wysiwyg-box ul,
.product-detail-wysiwyg-box ol,
.product-detail-wysiwyg-box .product-wysiwyg-content ul,
.product-detail-wysiwyg-box .product-wysiwyg-content ol {
    margin: 0 0 1.25rem;
    padding-left: 1.5rem;
    font-size: 0.95rem;
    line-height: 1.75;
}

.product-detail-wysiwyg-box li,
.product-detail-wysiwyg-box .product-wysiwyg-content li {
    margin-bottom: 0.45rem;
    font-size: 0.95rem;
}

.product-detail-wysiwyg-box strong,
.product-detail-wysiwyg-box b,
.product-detail-wysiwyg-box .product-wysiwyg-content strong {
    color: var(--dt-text-primary);
    font-weight: 700;
}

.product-detail-wysiwyg-box img {
    max-width: 100%;
    height: auto;
    border-radius: var(--dt-radius-sm);
    margin: 1rem 0;
    display: block;
}

/* BẢNG THÔNG SỐ TRONG CKFINDER */
.product-wysiwyg-table-wrap {
    width: 100%;
    overflow-x: auto;
    margin: 1.5rem 0;
    border-radius: var(--dt-radius-sm);
    border: 1px solid var(--dt-border);
}

.product-wysiwyg-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--dt-bg-card);
    text-align: left;
}

.product-wysiwyg-table thead th {
    background: var(--dt-bg-card-sub);
    color: var(--dt-text-primary);
    font-size: 0.92rem;
    font-weight: 800;
    padding: 0.95rem 1.25rem;
    border-bottom: 1px solid var(--dt-border);
}

.product-wysiwyg-table tbody th {
    width: 35%;
    background: var(--dt-bg-card-sub);
    color: var(--dt-text-muted);
    font-size: 0.875rem;
    font-weight: 600;
    padding: 0.85rem 1.25rem;
    border-bottom: 1px solid var(--dt-border);
    border-right: 1px solid var(--dt-border);
}

.product-wysiwyg-table tbody td {
    width: 65%;
    color: var(--dt-text-primary);
    font-size: 0.875rem;
    font-weight: 700;
    padding: 0.85rem 1.25rem;
    border-bottom: 1px solid var(--dt-border);
}

.product-wysiwyg-table tbody tr:last-child th,
.product-wysiwyg-table tbody tr:last-child td {
    border-bottom: none;
}

/* ==========================================================
   4. SECTION SLIDER SWIPER 8 SẢN PHẨM (H2 #2)
   ========================================================== */
.product-detail-related-section {
    margin-top: 2.5rem;
}

.product-detail-related-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.product-detail-related-head .product-detail-h2 {
    margin: 0;
}

.product-swiper-nav-arrows {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.product-swiper-arrow {
    width: 40px;
    height: 40px;
    border-radius: var(--dt-radius-md);
    border: 1px solid var(--dt-border);
    background: var(--dt-bg-card);
    color: var(--dt-text-primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--dt-transition);
}

.product-swiper-arrow:hover {
    border-color: var(--dt-brand-red);
    color: var(--dt-brand-red);
    transform: translateY(-2px);
    box-shadow: var(--dt-shadow-sm);
}

.product-detail-swiper {
    width: 100%;
    padding-bottom: 2.5rem;
}

.product-swiper-pagination {
    bottom: 0;
}

.product-swiper-pagination .swiper-pagination-bullet {
    width: 8px;
    height: 8px;
    background: var(--dt-text-muted);
    opacity: 0.4;
    transition: var(--dt-transition);
}

.product-swiper-pagination .swiper-pagination-bullet-active {
    width: 24px;
    border-radius: 9999px;
    background: var(--dt-brand-red);
    opacity: 1;
}

/* ==========================================================
   5. RESPONSIVE MEDIA QUERIES
   ========================================================== */
@media (max-width: 1024px) {
    .product-detail-showcase {
        grid-template-columns: 1fr;
        gap: 2.25rem;
        padding: 2rem;
    }

    .product-detail-gallery {
        max-width: 520px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .product-detail-page {
        padding-top: 12px;
    }

    .product-detail-container {
        padding: 0 16px;
    }

    .product-detail-showcase {
        padding: 1.5rem;
    }

    .product-breadcrumb-current {
        width: 100%;
        max-width: 100%;
        min-width: 0;
        display: block;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .product-breadcrumb-current span {
        display: block;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .product-detail-h1 {
        font-size: 1.4rem;
        line-height: 1.28;
    }

    .product-detail-h2 {
        font-size: 1.2rem;
        margin-bottom: 1.15rem;
    }

    .product-detail-actions {
        flex-direction: column;
    }

    .product-detail-btn-contact,
    .product-detail-btn-zalo {
        width: 100%;
    }

    .product-detail-content-section {
        padding: 1.5rem;
    }

    .product-wysiwyg-table tbody th,
    .product-wysiwyg-table tbody td {
        padding: 0.75rem 0.85rem;
    }
}

@media (max-width: 480px) {
    .product-detail-page {
        padding-top: 8px;
    }

    .product-detail-container {
        padding: 0 12px;
    }

    .product-detail-showcase {
        padding: 0.85rem 0.75rem;
        border-radius: 12px;
    }

    .product-detail-content-section {
        padding: 0.85rem 0.75rem;
        border-radius: 12px;
    }

    .product-gallery-hint-badge {
        font-size: 0.7rem;
        padding: 0.35rem 0.65rem;
    }

    .product-pricing-main {
        flex-direction: column;
        gap: 0.4rem;
        align-items: flex-start;
    }

    .product-detail-current-price {
        font-size: 1.75rem;
    }

    .product-detail-h1 {
        font-size: 1.22rem;
        line-height: 1.28;
    }

    .product-detail-h2 {
        font-size: 1.05rem;
        margin-bottom: 0.85rem;
        line-height: 1.35;
    }

    .product-detail-h2 svg {
        width: 18px;
        height: 18px;
        flex-shrink: 0;
    }
}

/* ==========================================================================
   POPUP MODAL XEM ẢNH SẢN PHẨM PHÓNG TO TẠI TRANG (IN-PAGE LIGHTBOX POPUP)
   ========================================================================== */
.product-lightbox-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.28s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.28s;
}

.product-lightbox-modal.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.product-lightbox-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 15, 29, 0.88);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    cursor: zoom-out;
}

.product-lightbox-dialog {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    max-width: 92vw;
    max-height: 92vh;
    width: 920px;
    background: var(--dt-card-bg, #ffffff);
    border-radius: 16px;
    border: 1px solid var(--dt-border, rgba(226, 232, 240, 0.8));
    box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.08);
    overflow: hidden;
    transform: scale(0.94) translateY(12px);
    transition: transform 0.32s cubic-bezier(0.16, 1, 0.3, 1);
}

.product-lightbox-modal.is-open .product-lightbox-dialog {
    transform: scale(1) translateY(0);
}

.product-lightbox-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.95rem 1.4rem;
    border-bottom: 1px solid var(--dt-border, #e2e8f0);
    background: var(--dt-bg-subtle, #f8fafc);
}

.product-lightbox-info {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    min-width: 0;
}

.product-lightbox-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.65rem;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    border-radius: 6px;
    background: rgba(225, 29, 72, 0.1);
    color: var(--dt-primary, #e11d48);
    white-space: nowrap;
}

.product-lightbox-name {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--dt-text-main, #0f172a);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.product-lightbox-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
}

.product-lightbox-btn,
.product-lightbox-close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    border: 1px solid var(--dt-border, #e2e8f0);
    background: #ffffff;
    color: var(--dt-text-muted, #64748b);
    cursor: pointer;
    transition: all 0.2s ease;
}

.product-lightbox-btn:hover {
    color: var(--dt-primary, #e11d48);
    border-color: rgba(225, 29, 72, 0.3);
    background: rgba(225, 29, 72, 0.05);
}

.product-lightbox-close:hover {
    color: #ffffff;
    background: #e11d48;
    border-color: #e11d48;
    transform: rotate(90deg);
}

.product-lightbox-stage {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 380px;
    max-height: 68vh;
    padding: 2rem;
    background: radial-gradient(circle at center, #ffffff 0%, var(--dt-bg-stage, #f1f5f9) 100%);
    overflow: auto;
    user-select: none;
}

.product-lightbox-image {
    max-width: 100%;
    max-height: 58vh;
    object-fit: contain;
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    filter: drop-shadow(0 12px 24px rgba(0, 0, 0, 0.12));
    cursor: zoom-in;
}

.product-lightbox-image.is-zoomed {
    cursor: zoom-out;
}

.product-lightbox-caption {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.75rem 1.4rem;
    border-top: 1px solid var(--dt-border, #e2e8f0);
    background: var(--dt-bg-subtle, #f8fafc);
}

.product-lightbox-caption-text {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.8rem;
    color: var(--dt-text-muted, #64748b);
}

.product-lightbox-caption-text svg {
    color: #10b981;
}

.product-lightbox-esc-hint {
    font-size: 0.75rem;
    color: var(--dt-text-muted, #94a3b8);
}

.product-lightbox-esc-hint b {
    display: inline-block;
    padding: 0.1rem 0.35rem;
    border-radius: 4px;
    border: 1px solid var(--dt-border, #cbd5e1);
    background: var(--dt-card-bg, #ffffff);
    font-weight: 700;
}

/* Dark theme styles */
[data-theme="dark"] .product-lightbox-dialog {
    background: #131d2e;
    border-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .product-lightbox-header,
[data-theme="dark"] .product-lightbox-caption {
    background: #0f172a;
    border-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .product-lightbox-name {
    color: #f8fafc;
}

[data-theme="dark"] .product-lightbox-btn,
[data-theme="dark"] .product-lightbox-close {
    background: #1e293b;
    border-color: rgba(255, 255, 255, 0.1);
    color: #cbd5e1;
}

[data-theme="dark"] .product-lightbox-stage {
    background: radial-gradient(circle at center, #1e293b 0%, #0f172a 100%);
}

[data-theme="dark"] .product-lightbox-esc-hint b {
    background: #1e293b;
    border-color: rgba(255, 255, 255, 0.15);
    color: #e2e8f0;
}

@media (max-width: 640px) {
    .product-lightbox-header {
        padding: 0.75rem 1rem;
    }

    .product-lightbox-caption {
        padding: 0.65rem 1rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.35rem;
    }

    .product-lightbox-esc-hint {
        display: none;
    }

    .product-lightbox-stage {
        padding: 1.25rem;
        min-height: 280px;
    }
}

/* ==========================================================================
   HỆ THỐNG ĐÁNH GIÁ THỰC TẾ KHÁCH HÀNG & DOANH NGHIỆP (PRODUCT REVIEWS SECTION)
   ========================================================================== */
.product-detail-reviews-section {
    background: var(--dt-card-bg, #ffffff);
    border: 1px solid var(--dt-border, #e2e8f0);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.05);
    margin-bottom: 3.5rem;
}

.product-reviews-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    flex-wrap: wrap;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--dt-border, #e2e8f0);
    margin-bottom: 1.75rem;
}

.product-reviews-h3 {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--dt-text-main, #0f172a);
    margin: 0 0 0.4rem 0;
}

.product-reviews-desc {
    font-size: 0.85rem;
    color: var(--dt-text-muted, #64748b);
    margin: 0;
}

.product-reviews-write-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.25rem;
    border-radius: 10px;
    border: 1.5px solid var(--dt-brand-red, #dc2626);
    background: transparent;
    color: var(--dt-brand-red, #dc2626);
    font-weight: 600;
    font-size: 0.88rem;
    cursor: pointer;
    transition: all 0.25s ease;
}

.product-reviews-write-btn:hover {
    background: var(--dt-brand-red, #dc2626);
    color: #ffffff;
    box-shadow: 0 6px 18px rgba(220, 38, 38, 0.25);
    transform: translateY(-2px);
}

/* THẺ TỔNG QUAN ĐIỂM SỐ & THANH FILTER CHIPS */
.product-reviews-summary-card {
    background: var(--dt-bg-subtle, #f8fafc);
    border: 1px solid var(--dt-border, #e2e8f0);
    border-radius: 16px;
    padding: 1.5rem 1.75rem;
    margin-bottom: 2rem;
}

.product-reviews-summary-grid {
    display: flex;
    align-items: center;
    gap: 2.5rem;
    flex-wrap: wrap;
}

.product-reviews-score-col {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding-right: 2rem;
    border-right: 1px solid var(--dt-border, #e2e8f0);
    flex-shrink: 0;
}

.product-reviews-score-num {
    font-size: 2.75rem;
    font-weight: 800;
    line-height: 1;
    color: var(--dt-text-main, #0f172a);
    font-family: var(--font-heading, inherit);
}

.product-reviews-score-stars {
    display: flex;
    gap: 0.25rem;
    color: #ffb800;
    margin-bottom: 0.25rem;
}

.product-reviews-score-stars svg {
    color: #ffb800;
    fill: #ffb800;
    filter: drop-shadow(0 1px 4px rgba(255, 184, 0, 0.45));
}

.product-reviews-score-count {
    font-size: 0.82rem;
    color: var(--dt-text-muted, #64748b);
    font-weight: 500;
}

.product-reviews-filter-col {
    flex: 1;
    min-width: 260px;
}

.product-reviews-filter-chips {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    flex-wrap: wrap;
}

.review-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.45rem 0.95rem;
    border-radius: 9999px;
    border: 1px solid var(--dt-border, #e2e8f0);
    background: #ffffff;
    color: var(--dt-text-main, #334155);
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.review-chip .chip-count {
    display: inline-block;
    padding: 0.1rem 0.4rem;
    border-radius: 9999px;
    background: rgba(0, 0, 0, 0.05);
    font-size: 0.72rem;
    color: inherit;
}

.review-chip:hover {
    border-color: var(--dt-brand-red, #dc2626);
    color: var(--dt-brand-red, #dc2626);
}

.review-chip.active {
    background: var(--dt-brand-red, #dc2626);
    border-color: var(--dt-brand-red, #dc2626);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(220, 38, 38, 0.22);
}

.review-chip.active .chip-count {
    background: rgba(255, 255, 255, 0.25);
    color: #ffffff;
}

/* FORM GỬI ĐÁNH GIÁ (SLIDE DOWN) */
.product-reviews-form-wrap {
    margin-bottom: 2rem;
    animation: reviewFadeIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.product-reviews-form-card {
    background: #ffffff;
    border: 1px solid var(--dt-border, #e2e8f0);
    border-radius: 16px;
    padding: 1.75rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.product-reviews-form-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--dt-border, #e2e8f0);
}

.product-reviews-form-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--dt-text-main, #0f172a);
}

.product-reviews-form-title svg {
    color: var(--dt-brand-red, #dc2626);
}

.product-reviews-form-close {
    background: transparent;
    border: none;
    color: var(--dt-text-muted, #94a3b8);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 6px;
    transition: color 0.2s ease;
}

.product-reviews-form-close:hover {
    color: var(--dt-brand-red, #dc2626);
}

.review-form-picker-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    background: var(--dt-bg-subtle, #f8fafc);
    border-radius: 12px;
    padding: 1rem 1.25rem;
    margin-bottom: 1.25rem;
}

.review-form-picker-group {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.review-form-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--dt-text-muted, #64748b);
    letter-spacing: 0.04em;
    margin-bottom: 0.4rem;
}

.review-star-picker {
    display: inline-flex;
    gap: 0.35rem;
}

.star-pick-btn {
    background: transparent;
    border: none;
    color: #cbd5e1;
    cursor: pointer;
    padding: 0.2rem 0.25rem;
    line-height: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.15s cubic-bezier(0.16, 1, 0.3, 1), color 0.15s ease, filter 0.15s ease;
}

.star-pick-btn svg,
.star-pick-btn .star-glyph {
    fill: currentColor;
    color: inherit;
    transition: transform 0.15s ease;
}

.star-pick-btn:hover,
.star-pick-btn:focus-visible {
    transform: scale(1.25);
}

.star-pick-btn.active,
.star-pick-btn.hover-active {
    color: #ffb800;
    filter: drop-shadow(0 2px 8px rgba(255, 184, 0, 0.55));
}

.review-star-feedback-badge {
    display: inline-block;
    padding: 0.35rem 0.85rem;
    border-radius: 9999px;
    background: rgba(255, 184, 0, 0.15);
    color: #b45309;
    font-weight: 700;
    font-size: 0.82rem;
    border: 1px solid rgba(255, 184, 0, 0.35);
}

.review-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

.review-form-field {
    margin-bottom: 1rem;
}

.review-form-input,
.review-form-textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border-radius: 10px;
    border: 1px solid var(--dt-border, #cbd5e1);
    background: #ffffff;
    color: var(--dt-text-main, #0f172a);
    font-size: 0.9rem;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.review-form-input:focus,
.review-form-textarea:focus {
    border-color: var(--dt-brand-red, #dc2626);
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.12);
}

.review-privacy-strip {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    border-radius: 10px;
    background: rgba(16, 185, 129, 0.08);
    border: 1px dashed rgba(16, 185, 129, 0.3);
    color: #065f46;
    font-size: 0.8rem;
    margin-bottom: 1.25rem;
}

.review-privacy-strip svg {
    color: #10b981;
    flex-shrink: 0;
}

.review-form-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.75rem;
}

.review-btn-cancel {
    padding: 0.6rem 1.25rem;
    border-radius: 10px;
    border: 1px solid var(--dt-border, #cbd5e1);
    background: #ffffff;
    color: var(--dt-text-muted, #64748b);
    font-weight: 600;
    font-size: 0.88rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.review-btn-cancel:hover {
    background: var(--dt-bg-subtle, #f1f5f9);
    color: var(--dt-text-main, #0f172a);
}

.review-btn-submit {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.5rem;
    border-radius: 10px;
    border: none;
    background: linear-gradient(135deg, var(--dt-brand-red, #dc2626) 0%, var(--dt-brand-red-hover, #b91c1c) 100%);
    color: #ffffff;
    font-weight: 600;
    font-size: 0.88rem;
    cursor: pointer;
    box-shadow: 0 4px 14px rgba(220, 38, 38, 0.28);
    transition: all 0.25s ease;
}

.review-btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(220, 38, 38, 0.38);
}

/* DANH SÁCH REVIEW ITEMS */
.product-reviews-wrapper {
    position: relative;
    max-height: 480px;
    overflow: hidden;
    transition: max-height 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

.product-reviews-wrapper.is-expanded {
    max-height: 3000px;
}

.product-reviews-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.product-review-item {
    background: var(--dt-bg-subtle, #f8fafc);
    border: 1px solid var(--dt-border, #e2e8f0);
    border-radius: 14px;
    padding: 1.35rem 1.5rem;
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.product-review-item:hover {
    border-color: var(--dt-border-hover, #cbd5e1);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
    transform: translateY(-2px);
}

.product-review-header {
    display: flex;
    align-items: flex-start;
    gap: 0.9rem;
    margin-bottom: 0.75rem;
}

.review-user-avatar {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    color: #ffffff;
    font-weight: 700;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.15);
}

.review-user-info {
    flex: 1;
    min-width: 0;
}

.review-user-meta {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    flex-wrap: wrap;
    margin-bottom: 0.25rem;
}

.review-user-name {
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--dt-text-main, #0f172a);
}

.review-verified-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.15rem 0.55rem;
    border-radius: 9999px;
    background: rgba(16, 185, 129, 0.12);
    color: #059669;
    font-size: 0.72rem;
    font-weight: 600;
}

.review-verified-badge svg {
    color: #10b981;
}

.review-rating-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.review-stars {
    display: inline-flex;
    gap: 0.2rem;
    color: #ffb800;
}

.review-stars svg.star-active-bright,
.review-stars .star-active,
.review-stars .star-active-bright {
    color: #ffb800;
    fill: #ffb800;
    filter: drop-shadow(0 1px 3px rgba(255, 184, 0, 0.45));
}

.review-stars svg.star-empty,
.review-stars .star-empty {
    color: #cbd5e1;
    fill: #f1f5f9;
    filter: none;
}

.review-date {
    font-size: 0.76rem;
    color: var(--dt-text-muted, #94a3b8);
}

.product-review-body p {
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--dt-text-muted, #334155);
    margin: 0;
}

/* KHỐI HIỂN THỊ KHI BỘ LỌC KHÔNG CÓ ĐÁNH GIÁ (VD: 2 SAO, 1 SAO) */
.product-rating-stars svg.star-half-filled,
.product-rating-stars .star-half-filled,
.product-reviews-score-stars svg.star-half-filled,
.product-reviews-score-stars .star-half-filled,
.review-stars svg.star-half-filled,
.review-stars .star-half-filled {
    color: #ffb800;
    filter: drop-shadow(0 1px 3px rgba(255, 184, 0, 0.45));
}

.product-reviews-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 3rem 1.5rem;
    background: var(--dt-bg-subtle, #f8fafc);
    border-radius: 14px;
    border: 1px dashed var(--dt-border, #cbd5e1);
    color: var(--dt-text-muted, #64748b);
    text-align: center;
    margin: 0.75rem 0;
}

.product-reviews-empty svg {
    color: var(--dt-text-muted, #94a3b8);
}

.product-reviews-empty p {
    margin: 0;
    font-size: 0.92rem;
    font-weight: 500;
}

.product-reviews-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 3.5rem 1.5rem;
    background: var(--dt-bg-subtle, #f8fafc);
    border-radius: 16px;
    border: 1px dashed var(--dt-border, #cbd5e1);
    color: var(--dt-text-muted, #64748b);
    margin: 1rem 0;
}

.product-reviews-empty-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: rgba(211, 47, 47, 0.08);
    color: var(--dt-brand-red, #d32f2f);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.85rem;
}

.product-reviews-empty-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--dt-text-main, #0f172a);
    margin-bottom: 0.35rem;
}

.product-reviews-empty-desc {
    font-size: 0.88rem;
    color: var(--dt-text-muted, #64748b);
    max-width: 420px;
    margin: 0 0 1.25rem 0;
    line-height: 1.55;
}

.product-reviews-empty-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.65rem 1.25rem;
    border-radius: 10px;
    background: var(--dt-brand-red, #d32f2f);
    color: #ffffff;
    font-size: 0.85rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: background 0.2s ease, transform 0.2s ease;
}

.product-reviews-empty-btn:hover {
    background: #b71c1c;
    transform: translateY(-1px);
}

/* LỚP NỀN MỜ CHUYỂN MÀU GRADIENT VÀ NÚT XEM THÊM (FROSTED FADE OVERLAY) */
.product-reviews-fade-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 190px;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.8) 40%, rgba(255, 255, 255, 0.98) 100%);
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding-bottom: 1.5rem;
    pointer-events: none;
    transition: all 0.3s ease;
    z-index: 10;
}

.product-reviews-fade-overlay.is-hidden {
    position: static;
    height: auto;
    background: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    padding-top: 1.5rem;
    padding-bottom: 0;
    pointer-events: auto;
}

.product-reviews-expand-btn {
    pointer-events: auto;
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.75rem 1.85rem;
    border-radius: 12px;
    border: 1.5px solid var(--dt-border, #cbd5e1);
    background: #ffffff;
    color: var(--dt-text-main, #0f172a);
    font-weight: 700;
    font-size: 0.9rem;
    cursor: pointer;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.product-reviews-expand-btn:hover {
    border-color: var(--dt-brand-red, #dc2626);
    color: var(--dt-brand-red, #dc2626);
    background: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(220, 38, 38, 0.15);
}

.product-reviews-expand-btn.is-active svg {
    transform: rotate(180deg);
}

.expand-chevron-icon {
    transition: transform 0.25s ease;
}

/* DARK THEME CHO MỤC ĐÁNH GIÁ */
[data-theme="dark"] .product-detail-reviews-section {
    background: #131d2e;
    border-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .product-reviews-header,
[data-theme="dark"] .product-reviews-form-head {
    border-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .product-reviews-summary-card,
[data-theme="dark"] .product-review-item,
[data-theme="dark"] .review-form-picker-row {
    background: #0f172a;
    border-color: rgba(255, 255, 255, 0.07);
}

[data-theme="dark"] .product-reviews-score-col {
    border-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .review-chip {
    background: #1e293b;
    border-color: rgba(255, 255, 255, 0.1);
    color: #e2e8f0;
}

[data-theme="dark"] .product-reviews-form-card {
    background: #101927;
    border-color: rgba(220, 38, 38, 0.25);
}

[data-theme="dark"] .review-form-input,
[data-theme="dark"] .review-form-textarea {
    background: #1e293b;
    border-color: rgba(255, 255, 255, 0.12);
    color: #f8fafc;
}

[data-theme="dark"] .product-review-body p {
    color: #cbd5e1;
}

[data-theme="dark"] .product-reviews-fade-overlay {
    background: linear-gradient(to bottom, rgba(19, 29, 46, 0) 0%, rgba(19, 29, 46, 0.85) 45%, rgba(19, 29, 46, 0.98) 100%);
}

[data-theme="dark"] .product-reviews-expand-btn {
    background: #1e293b;
    border-color: rgba(255, 255, 255, 0.15);
    color: #f8fafc;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .review-btn-cancel {
    background: #1e293b;
    border-color: rgba(255, 255, 255, 0.12);
    color: #cbd5e1;
}

@media (max-width: 768px) {
    .product-detail-reviews-section {
        padding: 1.15rem 1rem;
        border-radius: 14px;
        margin-bottom: 2.5rem;
    }

    .product-reviews-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.85rem;
        padding-bottom: 1rem;
        margin-bottom: 1.25rem;
    }

    .product-reviews-h3 {
        font-size: 1.1rem;
        gap: 0.45rem;
    }

    .product-reviews-desc {
        font-size: 0.82rem;
    }

    .product-reviews-write-btn {
        width: 100%;
        justify-content: center;
        padding: 0.55rem 1rem;
        font-size: 0.84rem;
    }

    .product-reviews-summary-card {
        padding: 1rem 0.85rem;
        border-radius: 12px;
        margin-bottom: 1.25rem;
    }

    .product-reviews-summary-grid {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }

    .product-reviews-score-col {
        width: 100%;
        padding-right: 0;
        border-right: none;
        border-bottom: 1px solid var(--dt-border, #e2e8f0);
        padding-bottom: 0.85rem;
        gap: 1rem;
        justify-content: flex-start;
    }

    .product-reviews-score-num {
        font-size: 2.4rem;
    }

    .product-reviews-filter-col {
        width: 100%;
        min-width: 0;
        flex: none;
    }

    .product-reviews-filter-chips {
        gap: 0.4rem;
    }

    .review-chip {
        padding: 0.35rem 0.65rem;
        font-size: 0.78rem;
        gap: 0.25rem;
    }

    .review-chip .chip-count {
        font-size: 0.7rem;
        padding: 0.05rem 0.35rem;
    }

    .product-reviews-form-wrap {
        margin-bottom: 1.25rem;
    }

    .product-reviews-form-card {
        padding: 1rem 0.85rem;
        border-radius: 12px;
    }

    .product-reviews-form-head {
        margin-bottom: 0.85rem;
        padding-bottom: 0.6rem;
    }

    .product-reviews-form-title {
        font-size: 0.95rem;
        gap: 0.4rem;
    }

    .review-form-picker-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.65rem;
        padding: 0.75rem 0.85rem;
        margin-bottom: 0.85rem;
        border-radius: 10px;
    }

    .review-form-picker-group {
        width: 100%;
        justify-content: space-between;
        align-items: center;
        gap: 0.5rem;
    }

    .review-star-feedback-badge {
        width: 100%;
        text-align: center;
        font-size: 0.76rem;
        padding: 0.3rem 0.5rem;
    }

    .review-form-grid {
        grid-template-columns: 1fr;
        gap: 0.75rem;
        margin-bottom: 0.75rem;
    }

    .review-form-field {
        margin-bottom: 0.75rem;
    }

    .review-form-label {
        font-size: 0.72rem;
        margin-bottom: 0.3rem;
    }

    .review-form-input,
    .review-form-textarea {
        padding: 0.6rem 0.75rem;
        font-size: 0.85rem;
        border-radius: 8px;
    }

    .review-privacy-strip {
        padding: 0.6rem 0.75rem;
        font-size: 0.75rem;
        gap: 0.4rem;
        margin-bottom: 1rem;
        border-radius: 8px;
    }

    .review-form-actions {
        display: grid;
        grid-template-columns: 1fr 2fr;
        gap: 0.5rem;
        width: 100%;
    }

    .review-btn-cancel,
    .review-btn-submit {
        width: 100%;
        justify-content: center;
        padding: 0.6rem 0.75rem;
        font-size: 0.84rem;
    }

    .product-review-item {
        padding: 0.85rem 0.8rem;
        border-radius: 10px;
    }

    .product-review-header {
        gap: 0.65rem;
        margin-bottom: 0.5rem;
    }

    .review-user-avatar {
        width: 36px;
        height: 36px;
        font-size: 0.85rem;
    }

    .review-user-name {
        font-size: 0.88rem;
    }

    .review-verified-badge {
        font-size: 0.68rem;
        padding: 0.1rem 0.4rem;
    }

    .product-review-body p {
        font-size: 0.84rem;
        line-height: 1.5;
    }

    .product-reviews-expand-btn {
        width: 100%;
        justify-content: center;
        padding: 0.65rem 1rem;
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .product-detail-reviews-section {
        padding: 0.85rem 0.65rem;
        border-radius: 12px;
        margin-bottom: 2rem;
    }

    .product-reviews-summary-card {
        padding: 0.75rem 0.6rem;
        border-radius: 10px;
        margin-bottom: 1rem;
    }

    .product-reviews-score-col {
        display: grid;
        grid-template-columns: auto 1fr;
        align-items: center;
        gap: 0.35rem 0.75rem;
        padding-bottom: 0.75rem;
    }

    .product-reviews-score-num {
        font-size: 2.1rem;
        grid-row: 1 / 3;
    }

    .product-reviews-score-stars {
        margin-bottom: 0;
    }

    .product-reviews-score-count {
        font-size: 0.75rem;
    }

    .review-chip {
        padding: 0.3rem 0.55rem;
        font-size: 0.74rem;
    }

    .product-reviews-form-card {
        padding: 0.75rem 0.6rem;
        border-radius: 10px;
    }

    .review-form-picker-row {
        padding: 0.6rem 0.6rem;
        margin-bottom: 0.75rem;
    }

    .star-pick-btn {
        padding: 0.15rem;
    }

    .star-pick-btn svg,
    .star-pick-btn .star-glyph {
        width: 20px;
        height: 20px;
    }

    .review-form-actions {
        grid-template-columns: 1fr 1.8fr;
    }

    .product-review-item {
        padding: 0.75rem 0.6rem;
    }

    .product-reviews-empty-state {
        padding: 2rem 1rem;
    }

    .product-reviews-empty-title {
        font-size: 0.95rem;
    }

    .product-reviews-empty-desc {
        font-size: 0.82rem;
    }
}