/* menu
/* Style dropdown menu */
.navbar .dropdown-menu {
border-radius: 8px;
/* bo góc */
padding: 8px 0;
/* khoảng cách bên trong */
border: none;
/* bỏ viền */
box-shadow: 0px 4px 12px rgba(0, 0, 0, 0.1);
/* đổ bóng nhẹ */
min-width: 220px;
/* độ rộng tối thiểu */
}

/* Style item trong dropdown */
.navbar .dropdown-menu .dropdown-item {
padding: 10px 18px;
color: #333;
font-weight: 500;
transition: all 0.2s ease-in-out;
border-radius: 6px;
/* bo góc item */
}

/* Hover item */
.navbar .dropdown-menu .dropdown-item:hover {
background-color: #8BC34A;
/* xanh lá nhạt */
color: #fff;
/* chữ trắng */
}

/* Dropdown mở khi hover */
.nav-item.dropdown:hover .dropdown-menu {
display: block;
margin-top: 0;
animation: fadeIn 0.3s ease-in-out;
/* hiệu ứng mượt */
}

/* Hiệu ứng fade */
@keyframes fadeIn {
from {
  opacity: 0;
  transform: translateY(10px);
}

to {
  opacity: 1;
  transform: translateY(0);
}
}

/* Logo css */
.logo-circle {
margin-right: 10px;
height: 70px;
width: 70px;
/* nên để bằng nhau để bo tròn đẹp */
border-radius: 50%;
/* bo tròn */
object-fit: cover;
/* giữ hình không méo */
border: 3px solid #8BC34A;
/* viền xanh lá đồng bộ với web */
padding: 3px;
/* cách viền một chút nếu muốn */
background: white;
/* nền trắng để viền nổi bật hơn */
}

/*Menu*/
.navbar {
padding: 12px 20px;
/* border-bottom: 1px solid #eee; */
/* box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05); */
}

/* Nav link */
.navbar-nav .nav-link {
font-weight: 500;
padding: 10px 15px;
transition: all 0.3s ease;
position: relative;
}

.navbar-nav .nav-link:hover {
color: #4CAF50 !important;
/* xanh lá */
}

.navbar-nav .nav-link.active {
color: #4CAF50 !important;
font-weight: 600;
}

/* Gạch chân khi hover */
.navbar-nav .nav-link::after {
content: "";
display: block;
height: 2px;
width: 0;
background: #4CAF50;
transition: width 0.3s;
margin: auto;
}

.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.active::after {
width: 60%;
}

/* Dropdown menu */
.dropdown-menu {
border-radius: 10px;
border: none;
box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
padding: 10px;
}

.dropdown-menu .dropdown-item {
border-radius: 6px;
padding: 10px 15px;
transition: all 0.2s ease;
}

.dropdown-menu .dropdown-item:hover {
background: #4CAF50;
color: #fff;
}

/*thêm */
/* ========= ẨN MŨI TÊN DROPDOWN (giữ nguyên logic) ========= */
.navbar .dropdown-toggle::after {
display: none !important;
content: none !important;
border: 0 !important;
background: none !important;
}

/* ========= SEARCH: mặc định chỉ hiện kính lúp, bấm mới mở ========= */
/* Form search ở trạng thái thu gọn */
#headerSearchForm {
width: 44px;
/* chỉ thấy icon kính lúp */
background: #fff !important;
border: 1px solid #e5e7eb !important;
border-radius: 999px;
overflow: hidden;
gap: 6px;
transition: width .25s ease, border-color .2s ease, box-shadow .2s ease;
}

/* Ẩn input khi thu gọn */
#headerSearchForm .form-control {
width: 0;
min-width: 0;
opacity: 0;
padding: 0;
pointer-events: none;
background: transparent;
color: #333;
transition: width .25s ease, opacity .2s ease, padding .2s ease;
}

/* Màu kính lúp (theo xanh của bạn) */
#headerSearchForm .btn {
color: #4CAF50 !important;
}

#headerSearchForm .btn:hover {
color: #43A047 !important;
}

/* Khi focus trong form hoặc có class .open (JS đã thêm) -> mở rộng */
#headerSearchForm:focus-within,
#headerSearchForm.open {
width: clamp(300px, 35vw, 200px);
border-color: #4CAF50 !important;
box-shadow: 0 0 0 3px rgba(76, 175, 80, .18);
}

#headerSearchForm:focus-within .form-control,
#headerSearchForm.open .form-control {
width: 100%;
opacity: 1;
padding: .6rem .5rem;
pointer-events: auto;
}

#headerSearch::placeholder {
color: #9aa4b2;
}

/* Nhỏ màn hình: mở rộng vừa phải */
@media (max-width: 576px) {

#headerSearchForm:focus-within,
#headerSearchForm.open {
  width: min(90vw, 360px);
}
}

/* === Search popup: compact list, thấy được nhiều item === */
#searchPopup {
width: min(640px, 100%);
max-height: min(60vh, 420px);
padding: .25rem;
border: 1px solid #e5e7eb;
border-radius: 12px;
box-shadow: 0 12px 28px rgba(0, 0, 0, .12);
overflow: auto;
}

/* Item kiểu list, thấp – để hiện được nhiều */
#searchPopup .sug-item {
display: flex;
align-items: center;
gap: .75rem;
padding: .5rem .6rem;
border-radius: 10px;
border: 1px solid transparent;
text-decoration: none;
transition: background .12s ease, border-color .12s ease, transform .08s ease;
}

#searchPopup .sug-item+.sug-item {
margin-top: .25rem;
}

#searchPopup .sug-item:hover {
background: #f8fafc;
border-color: #e5e7eb;
transform: translateY(-1px);
}

/* Ảnh thu nhỏ cố định – tránh bị phóng to như hình bạn gửi */
#searchPopup .sug-item img {
width: 56px !important;
height: 56px !important;
flex: 0 0 56px !important;
object-fit: cover;
border-radius: 8px;
background: #f1f5f9;
border: 1px solid #e5e7eb;
}

/* Tiêu đề 2 dòng, không tràn; giá nhỏ gọn */
#searchPopup .sug-item .title {
font-weight: 600;
color: #0f172a;
line-height: 1.2;
display: -webkit-box;
-webkit-line-clamp: 2;
-webkit-box-orient: vertical;
overflow: hidden;
}

#searchPopup .sug-item .price {
color: #475569;
font-weight: 700;
font-size: .95rem;
}

/* Bỏ highlight chữ trùng (mark) — nhìn như text bình thường */
#searchPopup mark {
background: transparent !important;
color: inherit !important;
font-weight: inherit !important;
padding: 0 !important;
border-radius: 0 !important;
}

/* One-line nav trên màn ≥ xl */
@media (min-width: 1200px) {

/* Toàn khối navbar không wrap */
.navbar .navbar-collapse {
  display: flex !important;
  align-items: center;
  flex-wrap: nowrap !important;
  gap: 16px;
  min-width: 0;
  /* cho phép co giãn hợp lý */
}

/* Brand + search + nav + utilities phân bổ theo 1 hàng */
.navbar .navbar-brand {
  margin-right: 12px;
  flex: 0 0 auto;
}

.header-search {
  flex: 0 1 360px;
  min-width: 260px;
}

/* chỉnh tùy bạn */
.navbar-nav {
  flex: 1 1 auto;
  justify-content: center;
  flex-wrap: nowrap !important;
  /* quan trọng */
  white-space: nowrap;
  /* không xuống dòng */
  min-width: 0;
}

.navbar-nav .nav-item {
  flex: 0 0 auto;
}

.navbar-nav .nav-link {
  padding: .6rem .8rem !important;
  /* thu padding để đủ chỗ */
}

.navbar .d-flex.ms-auto.nav-utilities {
  flex: 0 0 auto;
}
}

/* Với màn hẹp 1200–1366: co thêm để vẫn 1 hàng */
@media (min-width: 1200px) and (max-width: 1366px) {
.navbar-nav .nav-link {
  font-size: .98rem;
  padding: .55rem .7rem !important;
}

/* nếu search đang chiếm chỗ, thu nhỏ chút khi mở */
#headerSearchForm:focus-within,
#headerSearchForm.open {
  width: clamp(220px, 24vw, 320px);
}
}

.policy-card {
border-radius: 12px;
transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.policy-card:hover {
transform: translateY(-4px);
box-shadow: 0px 8px 18px rgba(0, 0, 0, 0.1);
}

.policy-card ul li {
line-height: 1.5;
color: #555;
}

.footer .btn-link {
color: rgba(255, 255, 255, 0.7);
text-decoration: none;
transition: 0.3s;
}

.footer .btn-link:hover {
color: #8BC34A;
padding-left: 5px;
}

.btn-social {
width: 36px;
height: 36px;
display: flex;
align-items: center;
justify-content: center;
transition: 0.3s;
}

.btn-social:hover {
background: #8BC34A;
color: #000;
}


/* css body */
/* ===== Scoped styles — chỉ áp dụng trong #product-detail ===== */

/* menu */
/* Style dropdown menu */
#product-detail .navbar .dropdown-menu {
border-radius: 8px;
padding: 8px 0;
border: none;
box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
min-width: 220px;
z-index: 1050;
/* nổi vừa đủ */
}

/* Style item trong dropdown */
#product-detail .navbar .dropdown-menu .dropdown-item {
padding: 10px 18px;
color: #333;
font-weight: 500;
transition: all .2s ease-in-out;
border-radius: 6px;
}

/* Hover item */
#product-detail .navbar .dropdown-menu .dropdown-item:hover {
background-color: #8BC34A;
/* xanh lá nhạt theo header */
color: #fff;
}

/* Dropdown mở khi hover — CHỈ desktop, tránh phá mobile tap */
@media (min-width: 992px) {
#product-detail .nav-item.dropdown:hover>.dropdown-menu {
  display: block;
  margin-top: 0;
  animation: productDetailFadeIn .3s ease-in-out;
}
}

/* Hiệu ứng fade */
@keyframes productDetailFadeIn {
from {
  opacity: 0;
  transform: translateY(10px);
}

to {
  opacity: 1;
  transform: translateY(0);
}
}

/* Trạng thái thu gọn mô tả */
#product-detail #desc-wrapper.desc-collapsed {
max-height: 150px;
overflow: hidden;
position: relative;
}

/* Hiệu ứng mờ dưới khi thu gọn (nền trắng) */
#product-detail #desc-wrapper.desc-collapsed::after {
content: "";
position: absolute;
bottom: 0;
left: 0;
right: 0;
height: 40px;
background: linear-gradient(to top, #fff, transparent);
}

/* Trạng thái mở rộng */
#product-detail #desc-wrapper {
transition: max-height .3s ease;
}

/* css số sao đánh giá */
#product-detail .rating .star {
cursor: pointer;
margin-right: 5px;
}

/* Sao rỗng (far) */
#product-detail .rating .star i.far {
color: #ccc;
}

/* Sao đầy (fas) */
#product-detail .rating .star i.fas {
color: #ffc107;
}

/* Logo css — chỉ trong phạm vi #product-detail (không đè header chung) */
#product-detail .logo-circle {
margin-right: 10px;
height: 70px;
width: 70px;
border-radius: 50%;
object-fit: cover;
border: 3px solid #8BC34A;
/* đồng bộ header */
padding: 3px;
background: #fff;
}

/* Policy card */
#product-detail .policy-card {
border-radius: 12px;
transition: transform .3s ease, box-shadow .3s ease;
}

#product-detail .policy-card:hover {
transform: translateY(-4px);
box-shadow: 0 8px 18px rgba(0, 0, 0, 0.1);
}

#product-detail .policy-card ul li {
line-height: 1.5;
color: #555;
}

/* Footer (nếu muốn chỉ áp dụng ở trang này, nên thêm class body.page-product, xem ghi chú bên dưới) */
.page-product .footer .btn-link {
color: rgba(255, 255, 255, 0.7);
text-decoration: none;
transition: .3s;
}

.page-product .footer .btn-link:hover {
color: #8BC34A;
padding-left: 5px;
}

.page-product .btn-social {
width: 36px;
height: 36px;
display: flex;
align-items: center;
justify-content: center;
transition: .3s;
}

.page-product .btn-social:hover {
background: #8BC34A;
color: #000;
}

/* ==== Floating FAB & Card ==== */
.chat-fab {
position: fixed;
right: clamp(12px, 2vw, 24px);
bottom: calc(16px + env(safe-area-inset-bottom));
z-index: 1050;
display: grid;
justify-items: end;
gap: 10px;
}

.chat-fab__btn {
width: 56px;
height: 56px;
border-radius: 50%;
display: grid;
place-items: center;
border: none;
cursor: pointer;
color: #fff;
font-size: 20px;
background: linear-gradient(135deg, #4f8cff, #8b5cf6);
box-shadow: 0 10px 26px rgba(0, 0, 0, .28);
transition: transform .15s ease, box-shadow .15s ease;
}

.chat-fab__btn:hover {
transform: translateY(-2px);
box-shadow: 0 14px 34px rgba(0, 0, 0, .34);
}

.chat-fab__badge {
position: absolute;
top: -4px;
right: -4px;
min-width: 18px;
height: 18px;
padding: 0 4px;
border-radius: 999px;
font-size: 11px;
line-height: 18px;
background: #ef4444;
color: #fff;
text-align: center;
animation: pulse 1.2s ease-in-out infinite;
}

@keyframes pulse {

0%,
100% {
  transform: scale(1);
}

50% {
  transform: scale(1.08);
}
}

.chat-card {
width: min(360px, 92vw);
max-height: min(64vh, 540px);
border-radius: 18px;
background: linear-gradient(180deg, rgba(255, 255, 255, .9), rgba(255, 255, 255, .88));
backdrop-filter: blur(10px);
-webkit-backdrop-filter: blur(10px);
border: 1px solid rgba(0, 0, 0, .06);
box-shadow: 0 16px 40px rgba(0, 0, 0, .28);
overflow: hidden;
transform-origin: 100% 100%;
opacity: 0;
transform: translateY(14px) scale(.98);
transition: transform .18s ease, opacity .18s ease;
}

.chat-card.enter {
opacity: 1;
transform: translateY(0) scale(1);
}

.chat-card.leaving {
opacity: 0;
transform: translateY(14px) scale(.98);
}

/* ==== Header ==== */
.chat-card__header {
display: flex;
align-items: center;
justify-content: space-between;
padding: 10px 12px;
background: linear-gradient(135deg, #4f8cff, #8b5cf6);
color: #fff;
}

.chat-card__agent {
display: flex;
align-items: center;
gap: 10px;
}

.chat-card__avatar {
width: 36px;
height: 36px;
border-radius: 50%;
display: grid;
place-items: center;
background: rgba(255, 255, 255, .2);
position: relative;
}

.chat-card__avatar i {
font-size: 16px;
}

.chat-card__dot {
position: absolute;
bottom: -1px;
right: -1px;
width: 10px;
height: 10px;
border-radius: 50%;
background: #22c55e;
border: 2px solid #7c97ff;
}

.chat-card__title {
font-weight: 800;
line-height: 1;
}

.chat-card__sub {
font-size: 12px;
opacity: .9;
margin-top: 2px;
}

.chat-card__close {
width: 34px;
height: 34px;
border-radius: 8px;
border: none;
color: #fff;
background: rgba(255, 255, 255, .18);
cursor: pointer;
}

.chat-card__close:hover {
background: rgba(255, 255, 255, .28);
}

/* ==== Body ==== */
.chat-card__body {
padding: 12px;
}

.chat-card__scroll {
height: 300px;
overflow: auto;
background: rgba(0, 0, 0, .03);
border: 1px solid rgba(0, 0, 0, .06);
border-radius: 14px;
padding: 10px;
}

/* Bubbles (tận dụng bg-primary/bg-light sẵn có) */
#chatBody .p-2.rounded {
border-radius: 14px !important;
box-shadow: 0 4px 12px rgba(0, 0, 0, .08);
position: relative;
}

#chatBody .bg-primary {
background: linear-gradient(135deg, #4f8cff, #8b5cf6) !important;
color: #fff;
}

#chatBody .bg-light {
background: #f4f6fb !important;
color: #0b1222 !important;
border: 1px solid rgba(0, 0, 0, .05) !important;
}

#chatBody .justify-content-end .p-2.rounded::after,
#chatBody .justify-content-start .p-2.rounded::after {
content: "";
position: absolute;
bottom: -6px;
width: 10px;
height: 10px;
transform: rotate(45deg);
}

#chatBody .justify-content-end .p-2.rounded::after {
right: 10px;
background: linear-gradient(135deg, #4f8cff, #8b5cf6);
}

#chatBody .justify-content-start .p-2.rounded::after {
left: 10px;
background: #f4f6fb;
border-right: 1px solid rgba(0, 0, 0, .05);
border-bottom: 1px solid rgba(0, 0, 0, .05);
}

/* Tick trạng thái nhỏ gọn */
#chatBody .small {
opacity: .85;
}

/* Typing */
.chat-card__typing {
padding: 6px 2px 0;
font-size: 12px;
color: #6b7280;
display: flex;
align-items: center;
gap: 6px;
}

.typing-dots {
display: inline-flex;
gap: 3px;
}

.typing-dots span {
width: 6px;
height: 6px;
border-radius: 50%;
background: #9aa3b2;
animation: blink 1s infinite ease-in-out;
}

.typing-dots span:nth-child(2) {
animation-delay: .15s;
}

.typing-dots span:nth-child(3) {
animation-delay: .3s;
}

@keyframes blink {

0%,
80%,
100% {
  opacity: .25
}

40% {
  opacity: 1
}
}

/* Input row */
.chat-card__footer {
padding-top: 6px;
}

.chat-input {
display: grid;
grid-template-columns: 1fr auto;
gap: 8px;
align-items: center;
}

.chat-input .form-control {
border-radius: 12px;
border: 1px solid rgba(0, 0, 0, .08);
background: #fff;
}

.chat-input__send {
border-radius: 12px;
padding: 8px 12px;
}

/* Mobile fit */
@media (max-width: 480px) {
.chat-card {
  max-height: 70vh;
}
}

.accordion-button {
font-size: 1rem;
}

.accordion-item {
border: 1px solid #e9ecef;
}

.accordion-item .accordion-button:not(.collapsed) {
background: rgba(13, 110, 253, .06);
}

#ratingStars i {
font-size: 20px;
margin-right: 4px;
}

#productRatingStars i,
#avgStars i {
font-size: 16px;
}

.policy-grid {
display: grid;
gap: 12px;
grid-template-columns: repeat(2, minmax(0, 1fr))
}

@media (max-width: 576px) {
.policy-grid {
  grid-template-columns: 1fr
}
}

.policy-tile {
border: 1px solid #e5e7eb;
border-radius: 14px;
background: #fff;
padding: 14px
}

.policy-tile h6 {
margin: 0 0 6px 0;
font-weight: 700
}

.policy-line {
display: flex;
gap: .6rem;
align-items: flex-start;
margin: .25rem 0;
font-size: .95rem
}

.policy-line i {
color: #0d6efd;
line-height: 1.4
}

.policy-sub {
color: #6b7280;
font-size: .85rem
}

.warranty-badge {
display: inline-flex;
gap: .4rem;
align-items: center;
padding: .25rem .6rem;
border-radius: 999px;
background: #f0f9ff;
font-size: .8rem;
color: #0369a1
}

.commit-badge {
display: inline-flex;
gap: .4rem;
align-items: center;
padding: .25rem .6rem;
border-radius: 999px;
background: #ecfdf5;
font-size: .8rem;
color: #065f46
}

.cta-stack {
display: grid;
gap: .6rem;
max-width: 420px;
}

.btnAddToCartDetail,
#btnBuyNow {
box-shadow: 0 6px 16px rgba(0, 0, 0, .06);
}

#btnBuyNow:hover {
transform: translateY(-1px);
}

@media (max-width:575.98px) {
.cta-stack {
  max-width: 100%;
}
}

/*thêm mô tả*/
/* ============ THEME TOKENS ============ */
:root {
--brand: #8BC34A;
--brand-700: #57B212;
--accent: #0ea5e9;
--ink: #0f172a;
--muted: #64748b;
--line: #e5e7eb;
--card: #ffffff;
--soft: #f8fafc;
--shadow: 0 10px 28px rgba(2, 6, 23, .06);
}

/* ============ POLICY GRID ============ */
.policy-grid {
display: grid;
grid-template-columns: repeat(2, minmax(0, 1fr));
gap: 18px;
margin-top: 10px;
}

@media (max-width: 991.98px) {
.policy-grid {
  grid-template-columns: 1fr;
}
}

.policy-tile {
background: var(--card);
border: 1px solid #eef2f7;
border-radius: 16px;
padding: 16px 16px 10px;
box-shadow: var(--shadow);
transition: border-color .2s ease, transform .15s ease, box-shadow .2s ease;
}

.policy-tile:hover {
transform: translateY(-2px);
border-color: rgba(139, 195, 74, .45);
box-shadow: 0 18px 40px rgba(2, 6, 23, .08);
}

/* header + badge trong tile */
.policy-tile h6 {
font-weight: 800;
margin: 0;
color: var(--ink);
}

.warranty-badge,
.commit-badge {
display: inline-flex;
align-items: center;
gap: 8px;
padding: .35rem .65rem;
border-radius: 999px;
font-weight: 800;
font-size: .76rem;
letter-spacing: .2px;
border: 1px solid rgba(139, 195, 74, .35);
color: #1b5e20;
background: rgba(139, 195, 74, .10);
}

.commit-badge {
color: #0b5e77;
border-color: #67e8f9;
background: #ecfeff;
}

/* dòng policy */
.policy-line {
display: flex;
align-items: flex-start;
gap: 12px;
padding: 12px 0;
}

.policy-line+.policy-line {
border-top: 1px dashed var(--line);
}

.policy-line i {
width: 36px;
height: 36px;
min-width: 36px;
border-radius: 12px;
display: inline-flex;
align-items: center;
justify-content: center;
background: rgba(139, 195, 74, .12);
color: var(--brand-700);
font-size: 16px;
}

.policy-line strong {
font-weight: 800;
color: var(--ink);
}

.policy-sub {
color: var(--muted);
font-size: .92rem;
}

.policy-tile a {
color: var(--accent);
text-decoration: none;
}

.policy-tile a:hover {
text-decoration: underline;
}

/* ============ ACCORDION POLISH (Bootstrap 5) ============ */
.accordion .accordion-item {
border: 1px solid #eef2f7 !important;
border-radius: 14px;
overflow: hidden;
box-shadow: var(--shadow);
}

.accordion .accordion-item+.accordion-item {
margin-top: 14px;
}

.accordion-button {
background: #fff;
color: var(--ink);
font-weight: 800;
letter-spacing: .2px;
padding: 14px 18px;
}

.accordion-button:not(.collapsed) {
background: linear-gradient(180deg, #ffffff 0%, #f3ffe7 100%);
box-shadow: inset 0 -1px 0 #ecf1e6;
}

.accordion-button:focus {
box-shadow: none;
border-color: transparent;
}

/* icon mũi tên của accordion */
.accordion-button::after {
transform: scale(.9);
}

.accordion-button:not(.collapsed)::after {
transform: rotate(180deg) scale(.9);
}

/* Bảng thông số gọn gàng */
#accSpecs .table {
margin: 0;
}

#accSpecs .table th {
width: 200px;
color: #475569;
background: #fafafa;
border-bottom: 1px dashed var(--line);
font-weight: 800;
}

#accSpecs .table td {
border-bottom: 1px dashed var(--line);
}

.spec-table th {
width: 180px;
white-space: nowrap;
}

.spec-badges {
display: flex;
flex-wrap: wrap;
gap: .25rem;
}

.spec-badges .badge {
font-weight: 600;
}

/* ============ MÔ TẢ: thu gọn/mở rộng có fade ============ */
#desc-wrapper {
position: relative;
transition: max-height .28s ease;
}

#desc-wrapper.desc-collapsed {
max-height: 260px;
overflow: hidden;
}

#desc-wrapper.desc-collapsed::after {
content: "";
position: absolute;
inset: auto 0 0 0;
height: 90px;
background: linear-gradient(180deg, rgba(255, 255, 255, 0) 0%, #ffffff 65%);
}

#toggle-desc {
border-radius: 999px;
font-weight: 800;
padding: .45rem 1rem;
border: 1px solid #cfe8b2;
color: #2a5d18;
background: #f6ffec;
}

#toggle-desc:hover {
filter: brightness(.96);
}

/* ============ REVIEWS ============ */
#reviewsSection #avgStars i,
#reviewsSection #ratingStars i {
color: #f59e0b;
font-size: 18px;
margin-right: 2px;
}

#reviewForm textarea {
border-radius: 12px;
}

#reviewList .review-item {
border-bottom: 1px dashed var(--line);
padding: 12px 0;
}

#reviewList .review-item:last-child {
border-bottom: 0;
}

#ratingCount {
color: var(--muted);
}

/* ============ Q & A ============ */
#qaForm textarea {
border-radius: 12px;
}

#qaList .qa-item {
background: var(--soft);
border: 1px dashed var(--line);
border-radius: 12px;
padding: 12px 14px;
margin-bottom: 10px;
}

/* ============ Buttons chung ============ */
.btn-gradient {
background: linear-gradient(90deg, #4CAF50 0%, #8BC34A 100%);
border: none;
color: #fff;
}

.btn-gradient:hover {
filter: brightness(.96);
}

.hover-scale {
transition: transform .12s ease, box-shadow .12s ease;
}

.hover-scale:hover {
transform: translateY(-1px);
box-shadow: 0 12px 26px rgba(2, 6, 23, .08);
}

/* ============ Helpers nhỏ ============ */
.hover-primary:hover {
color: var(--brand-700) !important;
}

/* ===== POLICY GRID ===== */
.policy-grid {
display: grid;
grid-template-columns: repeat(2, minmax(0, 1fr));
gap: 18px;
}

@media (max-width: 768px) {
.policy-grid {
  grid-template-columns: 1fr;
}
}

.policy-tile {
background: #fff;
border: 1px solid #edf1f4;
border-radius: 16px;
padding: 18px 16px;
box-shadow: 0 6px 22px rgba(0, 0, 0, .04);
}

.policy-tile h6 {
font-weight: 700;
}

.warranty-badge,
.commit-badge {
display: inline-flex;
align-items: center;
gap: 8px;
background: #F1F8E9;
color: #2e7d32;
border: 1px solid #dcedc8;
padding: 6px 10px;
border-radius: 999px;
font-size: 12.5px;
}

.policy-line {
display: flex;
gap: 12px;
padding: 10px 0;
border-top: 1px dashed #edf1f4;
}

.policy-line:first-of-type {
border-top: 0;
}

.policy-line i {
width: 36px;
height: 36px;
display: grid;
place-items: center;
border-radius: 10px;
background: #F4FAF2;
color: #57B212;
box-shadow: inset 0 0 0 1px rgba(87, 178, 18, .2);
}

.policy-sub {
color: #6c757d;
font-size: 12.5px;
}

/* ===== FLATTEN ACCORDION → LUÔN MỞ =====
 Không sửa HTML, chỉ vô hiệu hoá toggle & caret  */
#productAccordion .accordion-item {
border: 1px solid #edf1f4;
border-radius: 16px;
overflow: hidden;
background: #fff;
box-shadow: 0 6px 22px rgba(33, 37, 41, .04);
}

#productAccordion .accordion-button {
background: #fff;
font-weight: 700;
font-size: 16px;
padding: 16px 20px;
box-shadow: none;
cursor: default;
pointer-events: none;
/* khoá click */
}

#productAccordion .accordion-button::after {
display: none;
}

#productAccordion .accordion-collapse {
display: block !important;
height: auto !important;
visibility: visible !important;
}

#productAccordion .accordion-body {
padding: 18px 20px;
}

/* ===== THÔNG SỐ KỸ THUẬT (bảng) ===== */
#accSpecs table {
margin: 0;
}

#accSpecs table th {
width: 220px;
background: #f8fafc;
color: #64748b;
font-weight: 600;
}

#accSpecs table tr+tr th,
#accSpecs table tr+tr td {
border-top: 1px dashed #e9ecef;
}

/* ===== MÔ TẢ: bỏ thu gọn + ẩn nút Xem thêm ===== */
#desc-wrapper.desc-collapsed {
max-height: none !important;
-webkit-mask-image: none;
mask-image: none;
}

#toggle-desc {
display: none !important;
}

/* ===== ĐÁNH GIÁ & Q&A ===== */
#reviewsSection .accordion-body,
#qaSection .accordion-body {
background: #fff;
}

#reviewForm textarea,
#qaForm textarea {
border-radius: 12px;
}

#ratingStars i,
#avgStars i {
color: #f59e0b;
}

/* sao màu vàng */

/* Nhẹ nhàng cho link trong danh sách */
#reviewList a,
#qaList a {
color: #0d6efd;
text-decoration: none;
}

#reviewList a:hover,
#qaList a:hover {
text-decoration: underline;
}

/*xem thêm */
#desc-wrapper.desc-collapsed {
max-height: 150px;
/* chỉnh chiều cao mong muốn */
overflow: hidden;
position: relative;
}

#desc-wrapper.desc-collapsed::after {
content: "";
position: absolute;
bottom: 0;
left: 0;
width: 100%;
height: 40px;
background: linear-gradient(to top, white, transparent);
}

#toggle-desc {
display: inline-block !important;
margin-top: 10px;
z-index: 10;
}

/**/
.ldesc {
position: relative;
}

.ldesc--collapsed {
max-height: 270px;
/* chỉnh theo ý */
overflow: hidden;
transition: max-height .25s ease;
}

.ldesc--collapsed::after {
content: "";
position: absolute;
left: 0;
right: 0;
bottom: 0;
height: 64px;
background: linear-gradient(to bottom, rgba(255, 255, 255, 0), var(--bs-body-bg, #fff) 70%);
pointer-events: none;
}

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

.ldesc table {
width: 100%;
}

/* Related products */
#related .rel-strip {
display: flex;
gap: 12px;
overflow-x: auto;
scroll-snap-type: x mandatory;
padding: .25rem;
scrollbar-width: thin;
}

#related .rel-card {
flex: 0 0 auto;
width: 260px;
background: #fff;
border: 1px solid #e5e7eb;
border-radius: 12px;
padding: 10px;
text-decoration: none;
color: inherit;
scroll-snap-align: start;
transition: transform .12s ease, box-shadow .12s ease;
}

#related .rel-card:hover {
transform: translateY(-2px);
box-shadow: 0 8px 18px rgba(0, 0, 0, .08);
}

#related .rel-img {
width: 100%;
aspect-ratio: 4/3;
overflow: hidden;
border-radius: 8px;
background: #f8fafc;
display: flex;
align-items: center;
justify-content: center;
}

#related .rel-img img {
width: 100%;
height: 100%;
object-fit: cover;
display: block;
}

#related .rel-name {
margin-top: .5rem;
font-weight: 600;
font-size: .95rem;
line-height: 1.3;
display: -webkit-box;
-webkit-box-orient: vertical;
-webkit-line-clamp: 2;
overflow: hidden;
min-height: 2.5em;
}

#related .rel-price {
margin-top: .25rem;
}

#related .rel-old {
font-size: .85rem;
color: #9ca3af;
text-decoration: line-through;
}

#related .rel-new {
font-weight: 800;
color: #e53935;
}

#related .rel-prev,
#related .rel-next {
min-width: 34px;
}

/* Compare bar */
.compare-bar {
position: fixed;
left: 0;
right: 0;
bottom: 16px;
z-index: 2000;
background: #fff;
border: 1px solid #e5e7eb;
border-radius: 12px;
}

.compare-bar .compare-inner {
padding: 10px 14px;
}

.compare-chip {
display: flex;
align-items: center;
gap: .5rem;
border: 1px solid #e5e7eb;
border-radius: 999px;
padding: 6px 10px;
background: #f8fafc;
}

.compare-chip img {
width: 36px;
height: 36px;
object-fit: cover;
border-radius: 8px;
border: 1px solid #e5e7eb;
}

.compare-chip .x {
cursor: pointer;
color: #ef4444;
font-weight: 700;
padding: 0 4px;
}

@media (max-width:576px) {
.compare-bar {
  bottom: 8px;
}
}

.kv-list .kv-key {
min-width: 120px;
color: #6b7280;
font-weight: 600;
}

.kv-list .kv-sep {
width: 12px;
text-align: center;
color: #9ca3af;
}

.kv-list .kv-val {
flex: 1 1 auto;
color: #0f172a;
}