/* ==========================================================================
   TRANH CUỘN NHẬT BẢN - KAKEJIKU
   Phong Cách Zen Luxury & Japandi Wabi-Sabi
   ========================================================================== */

:root {
  /* Vạn Bảo Đường Deep Dark Pine / Forest Jade Color Palette */
  --bg-dark: #122521;
  --bg-page: #fbfbfb;
  --bg-header-top: #1b3b36;
  --bg-header-nav: #16322d;
  --bg-card: #ffffff;
  --bg-card-hover: #ffffff;
  --bg-surface: #ffffff;
  --bg-input: #ffffff;

  /* Imperial Antique Gold & Champagne */
  --gold-primary: #dfb85b;
  --gold-hover: #edd182;
  --gold-light: #fef7ed;
  --gold-dim: rgba(223, 184, 91, 0.15);
  --gold-border: rgba(223, 184, 91, 0.32);

  /* Warm Red Torii & Price Accent */
  --torii-red: #d32f2f;
  --torii-red-glow: rgba(211, 47, 47, 0.3);
  --celadon-green: #059669;
  --celadon-dim: rgba(5, 150, 105, 0.15);

  /* Typography */
  --text-main: #1f2937;
  --text-muted: #4b5563;
  --text-dim: #64748b;
  --text-gold: #c59b4e;

  /* Borders & Shadows */
  --border-subtle: rgba(27, 59, 54, 0.12);
  --border-highlight: rgba(27, 59, 54, 0.35);
  --shadow-card: 0 4px 14px rgba(0, 0, 0, 0.05);
  --shadow-gold: 0 0 25px rgba(223, 184, 91, 0.22);

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
}

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

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  background: #fbfbfb url('../assets/img/white-paper-bg.jpg') repeat;
  color: var(--text-main);
  line-height: 1.6;
  min-height: 100vh;
}

/* ================= SITE HEADER: PHONG CÁCH VẠN BẢO ĐƯỜNG (DARK TEAL + GOLD) ================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  background: var(--bg-header-top);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  border-bottom: 1px solid rgba(223, 184, 91, 0.25);
}

/* HÀNG TRÊN: LOGO TRUNG TÂM - ĐĂNG NHẬP, GIỎ HÀNG & TÌM KIẾM BÊN PHẢI */
.site-header-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 3.5rem;
  background: var(--bg-header-top);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  gap: 1.5rem;
}

/* KHOẢNG TRỐNG CÂN BẰNG ĐỐI XỨNG BÊN TRÁI ĐỂ LOGO LUÔN CHÍNH GIỮA */
.header-left-spacer {
  flex: 1;
  min-width: 0;
  max-width: 280px;
}

/* CỘT BÊN PHẢI: ĐĂNG NHẬP & GIỎ HÀNG Ở TRÊN, THANH TÌM KIẾM NẰM NGAY PHÍA DƯỚI */
.header-right-col {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.45rem;
  flex: 1;
  min-width: 0;
  max-width: 280px;
}

/* THANH CÔNG CỤ TÌM KIẾM GẠCH CHÂN Ở GÓC PHẢI */
.header-search-underline {
  display: flex;
  align-items: center;
  position: relative;
  border-bottom: 1.5px solid rgba(255, 255, 255, 0.65);
  width: 230px;
  transition: width 0.25s ease, border-color 0.25s ease;
  padding-bottom: 2px;
}

.header-search-underline:focus-within {
  width: 260px;
  border-bottom-color: var(--gold-primary);
}

.header-search-underline input {
  background: transparent;
  border: none;
  outline: none;
  color: #ffffff;
  font-size: 0.88rem;
  font-family: inherit;
  width: 100%;
  padding-right: 28px;
}

.header-search-underline input::placeholder {
  color: rgba(255, 255, 255, 0.65);
}

.search-underline-btn {
  position: absolute;
  right: 0;
  background: none;
  border: none;
  color: #ffffff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  transition: color 0.2s ease, transform 0.2s ease;
}

.search-underline-btn:hover {
  color: var(--gold-primary);
  transform: scale(1.1);
}

/* TRUNG TÂM: THƯƠNG HIỆU TRANH CUỘN NHẬT BẢN - KAKEJIKU */
.brand-mon-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  cursor: pointer;
  transition: opacity 0.2s ease;
  margin: 0 auto;
  text-align: center;
}

.brand-mon-wrapper:hover {
  opacity: 0.92;
}

.brand-mon-crest {
  display: none !important;
}

.brand-mon-text {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.brand-mon-name {
  font-family: 'Playfair Display', 'Cinzel', Georgia, serif;
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--gold-primary);
  letter-spacing: 1px;
  text-transform: uppercase;
  line-height: 1.2;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
  text-align: center;
}

.brand-mon-sub {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 1.12rem;
  font-style: normal;
  font-weight: 700;
  color: #dfb85b;
  letter-spacing: 3.5px;
  text-transform: uppercase;
  line-height: 1.2;
  margin-top: 4px;
  text-align: center;
}

/* BÊN PHẢI: ĐĂNG NHẬP / ĐĂNG KÝ VÀ GIỎ HÀNG */
.header-right-auth-cart {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.header-auth-wrapper {
  display: flex;
  align-items: center;
}

.header-auth-btn {
  display: flex;
  align-items: center;
  background: rgba(223, 184, 91, 0.08);
  border: 1px solid rgba(223, 184, 91, 0.35);
  border-radius: 4px;
  color: #dfb85b;
  cursor: pointer;
  padding: 5px 12px;
  font-family: inherit;
  font-weight: 700;
  font-size: 0.84rem;
  transition: all 0.2s ease;
}

.header-auth-btn:hover {
  background: rgba(223, 184, 91, 0.2);
  color: #ffffff;
  border-color: #dfb85b;
  transform: translateY(-1px);
}

.header-admin-logged {
  display: flex;
  align-items: center;
  gap: 8px;
}

.header-admin-label {
  display: none !important;
}

.header-admin-logout {
  background: rgba(255, 77, 79, 0.12);
  border: 1px solid rgba(255, 77, 79, 0.35);
  color: #ff7875;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.header-admin-logout:hover {
  background: #ff4d4f;
  color: #ffffff;
  border-color: #ff4d4f;
  transform: translateY(-1px);
}

/* ==========================================================================
   MODAL: ĐĂNG NHẬP QUẢN TRỊ VIÊN (ADMIN AUTHENTICATION MODAL)
   ========================================================================== */
#adminLoginModal.antd-modal-backdrop,
.antd-modal-backdrop {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  width: 100vw !important;
  height: 100vh !important;
  background: rgba(10, 8, 7, 0.88) !important;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 999999 !important;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  box-sizing: border-box;
}

#adminLoginModal.active,
#adminLoginModal.open,
.antd-modal-backdrop.active,
.antd-modal-backdrop.open {
  display: flex !important;
}

#adminLoginModal .antd-modal {
  background: #14221f;
  border: 1px solid rgba(223, 184, 91, 0.45);
  border-radius: 8px;
  width: 100%;
  max-width: 440px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.85), 0 0 35px rgba(223, 184, 91, 0.25);
  overflow: hidden;
  position: relative;
  z-index: 1000000;
  animation: adminModalFadeIn 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes adminModalFadeIn {
  from {
    opacity: 0;
    transform: scale(0.95) translateY(-12px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

#adminLoginModal .antd-modal-header {
  background: #0f1a18;
  padding: 1.1rem 1.4rem;
  border-bottom: 1px solid rgba(223, 184, 91, 0.25);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

#adminLoginModal .antd-modal-close {
  background: none;
  border: none;
  color: #a8b3af;
  font-size: 1.25rem;
  line-height: 1;
  padding: 4px 8px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s ease;
}

#adminLoginModal .antd-modal-close:hover {
  color: #ff7875;
  background: rgba(255, 77, 79, 0.15);
}

#adminLoginModal .antd-modal-body {
  padding: 1.5rem;
  background: #14221f;
}

#adminLoginModal .antd-modal-footer {
  background: #0f1a18;
  padding: 1rem 1.4rem;
  border-top: 1px solid rgba(223, 184, 91, 0.2);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

/* GIỎ HÀNG VỚI HUY HIỆU SỐ LƯỢNG TRÒN */
.header-cart-box {
  background: none;
  border: none;
  color: #ffffff;
  cursor: pointer;
  position: relative;
  padding: 4px;
  display: flex;
  align-items: center;
  transition: all 0.2s ease;
}

.header-cart-box:hover {
  color: var(--gold-primary);
  transform: translateY(-1px);
}

.cart-svg-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.header-cart-badge {
  position: absolute;
  top: -5px;
  right: -8px;
  background: #d32f2f;
  color: #ffffff;
  font-size: 0.68rem;
  font-weight: 800;
  border-radius: var(--radius-full);
  min-width: 18px;
  height: 18px;
  padding: 0 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1.5px solid var(--bg-header-top);
  font-family: 'JetBrains Mono', monospace;
}

/* NÚT QUẢN TRỊ NHỎ GỌN */
.header-admin-quick {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-left: 0.5rem;
}

.btn-admin-icon {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--gold-border);
  color: var(--gold-primary);
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-admin-icon:hover {
  background: rgba(223, 184, 91, 0.2);
  color: #ffffff;
  border-color: var(--gold-primary);
}

/* HÀNG DƯỚI: MENU DANH MỤC (TRANG CHỦ, CHỦ ĐỀ TRANH, VỀ TRANH CUỘN NHẬT, LIÊN HỆ) */
/* CHỮ IN HOA, ĐẬM, MÀU TRẮNG; KHOẢNG CÁCH THOÁNG VÀ ĐỀU */
.site-header-nav {
  background: var(--bg-header-nav);
  border-bottom: 1px solid rgba(223, 184, 91, 0.22);
  padding: 0.75rem 2rem;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.35);
}

.site-nav-center-strip {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 4rem; /* KHOẢNG CÁCH THOÁNG VÀ ĐỀU THEO ĐÚNG YÊU CẦU */
  flex-wrap: wrap;
}

.main-nav-link {
  color: #ffffff;
  font-weight: 700;
  font-size: 0.92rem;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  text-decoration: none;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0.4rem 0.25rem;
  position: relative;
  transition: color 0.2s ease, text-shadow 0.2s ease;
  white-space: nowrap;
  font-family: inherit;
}

.main-nav-link:hover,
.main-nav-link.active {
  color: var(--gold-primary);
  text-shadow: 0 0 12px rgba(223, 184, 91, 0.35);
}

.main-nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gold-primary);
  box-shadow: 0 0 8px var(--gold-primary);
}

.ai-nav-pill {
  background: rgba(223, 184, 91, 0.12) !important;
  color: var(--gold-primary) !important;
  border: 1px solid rgba(223, 184, 91, 0.4) !important;
  border-radius: var(--radius-full) !important;
  padding: 4px 14px !important;
  font-size: 0.78rem !important;
}

.ai-nav-pill:hover {
  background: rgba(223, 184, 91, 0.25) !important;
  color: #ffffff !important;
}

/* NAV DROPDOWN CONTAINER (CHỦ ĐỀ TRANH) */
.nav-item-dropdown {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.dropdown-toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #ffffff;
  font-weight: 700;
  font-size: 0.92rem;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0.4rem 0.25rem;
  font-family: inherit;
  transition: color 0.2s ease;
}

.dropdown-toggle-btn:hover {
  color: var(--gold-primary);
}

.dropdown-chevron {
  width: 14px;
  height: 14px;
  fill: currentColor;
  transition: transform 0.25s ease;
}

.nav-item-dropdown.open .dropdown-chevron,
.nav-item-dropdown:hover .dropdown-chevron {
  transform: rotate(180deg);
}

/* BẢNG DROPDOWN MENU: NỀN ĐEN, GÓC VUÔNG, RỘNG 375PX THEO ĐÚNG YÊU CẦU */
.theme-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  width: 375px;
  min-width: 375px;
  max-width: 375px;
  background: #000000 !important; /* BẮT BUỘC: Nền Đen */
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 0px !important; /* BẮT BUỘC: Góc vuông tuyệt đối */
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.95);
  z-index: 10000;
  display: none;
  padding: 0;
  margin: 0;
}

/* Vùng đệm chuột thông minh để rê chuột mượt mà không bị mất menu */
.theme-dropdown-menu::before {
  content: '';
  position: absolute;
  top: -14px;
  left: 0;
  right: 0;
  height: 14px;
  background: transparent;
}

.nav-item-dropdown.open .theme-dropdown-menu,
.nav-item-dropdown:hover .theme-dropdown-menu {
  display: block;
  animation: dropdownSlideIn 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes dropdownSlideIn {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* MỖI MỤC XẾP DỌC: CAO 60PX, CHỮ TRẮNG, CĂN TRÁI, PADDING 16PX, ĐƯỜNG PHÂN CÁCH MỜ, HOVER CÓ NỀN NHẤN */
.theme-dropdown-item {
  height: 60px;
  min-height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  color: #ffffff;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  text-align: left;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08); /* Phân cách mờ */
  cursor: pointer;
  width: 100%;
  background: transparent;
  transition: all 0.2s ease;
  user-select: none;
}

.theme-dropdown-item:last-child {
  border-bottom: none;
}

.theme-dropdown-item:hover {
  background: rgba(255, 255, 255, 0.12); /* Nền nhấn nhẹ */
  color: var(--gold-primary);
  padding-left: 22px;
}

.dropdown-item-arrow {
  color: rgba(255, 255, 255, 0.3);
  font-size: 0.85rem;
  transition: all 0.2s ease;
}

.theme-dropdown-item:hover .dropdown-item-arrow {
  color: var(--gold-primary);
  transform: translateX(4px);
}

/* ================= HERO BANNER: CHỈ HIỂN THỊ ẢNH BÌA THEO YÊU CẦU ================= */
.hero-kakejiku-banner {
  position: relative;
  width: 100%;
  max-width: 100%;
  overflow: hidden;
  line-height: 0;
  border-bottom: 1px solid var(--gold-border);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
  background: #122521;
}

.hero-banner-img {
  width: 100%;
  height: auto;
  max-height: 500px;
  object-fit: cover;
  object-position: center 30%;
  display: block;
}

@media (max-width: 900px) {
  .site-header-top {
    padding: 0.75rem 1.5rem;
    flex-wrap: wrap;
  }
  .site-nav-center-strip {
    gap: 1.5rem;
  }
}

@media (max-width: 768px) {
  .site-header-top {
    padding: 0.65rem 1rem;
    gap: 0.75rem;
    flex-direction: column;
    align-items: stretch;
  }
  .header-left-spacer {
    display: none;
  }
  .brand-mon-wrapper {
    justify-content: center;
    margin: 0 auto;
    text-align: center;
  }
  .brand-mon-name {
    font-size: 1.18rem;
    text-align: center;
  }
  .brand-mon-sub {
    font-size: 0.92rem;
    font-style: normal;
    font-weight: 700;
    letter-spacing: 2.5px;
    text-align: center;
  }
  .header-right-col {
    width: 100%;
    flex-direction: column;
    gap: 0.6rem;
  }
  .header-right-auth-cart {
    justify-content: space-between;
    width: 100%;
    padding-bottom: 0.25rem;
  }
  .header-search-underline {
    width: 100%;
  }
  .header-search-underline input {
    font-size: 16px; /* Chống auto-zoom iOS Safari */
  }
  .site-header-nav {
    padding: 0.5rem 0.65rem;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .site-header-nav::-webkit-scrollbar {
    display: none;
  }
  .site-nav-center-strip {
    display: flex;
    flex-wrap: nowrap;
    justify-content: flex-start;
    gap: 0.85rem;
    width: max-content;
    padding: 0 0.25rem;
  }
  .main-nav-link {
    white-space: nowrap;
    font-size: 0.82rem;
    padding: 0.35rem 0.6rem;
    flex-shrink: 0;
  }
  .theme-dropdown-menu {
    width: 290px;
    min-width: 290px;
    max-width: calc(100vw - 20px);
    left: 0;
  }
  .theme-dropdown-item {
    height: 48px;
    min-height: 48px;
    font-size: 0.88rem;
    padding: 0 12px;
  }
  .hero-banner-img {
    max-height: 200px;
  }
}

/* ================= PAGINATION BAR (TỐI ĐA 40 TRANH / TRANG) ================= */
.pagination-bar {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  margin-top: 2rem;
  padding: 1.25rem 0;
  border-top: 1px solid rgba(0, 0, 0, 0.08);
  flex-wrap: wrap;
}

.page-btn {
  min-width: 42px;
  height: 42px;
  padding: 0 0.75rem;
  border-radius: var(--radius-sm);
  background: #ffffff;
  border: 1px solid rgba(27, 59, 54, 0.18);
  color: #1b3b36;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.88rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  user-select: none;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.03);
}

.page-btn:hover:not(:disabled) {
  border-color: #1b3b36;
  background: #f0f7f5;
  color: #1b3b36;
  transform: translateY(-1px);
}

.page-btn.active {
  background: #1b3b36;
  color: #ffffff;
  border-color: #1b3b36;
  box-shadow: 0 4px 12px rgba(27, 59, 54, 0.25);
  font-weight: 800;
}

.page-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  border-color: rgba(0, 0, 0, 0.08);
  background: #f3f4f6;
  color: #9ca3af;
}

.page-summary-chip {
  font-size: 0.78rem;
  font-family: 'JetBrains Mono', monospace;
  color: #1b3b36;
  background: rgba(27, 59, 54, 0.06);
  border: 1px solid rgba(27, 59, 54, 0.18);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.status-chip {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--celadon-green);
  box-shadow: 0 0 8px var(--celadon-green);
}

/* ================= BUTTONS ================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.55rem 1.15rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  border: 1px solid transparent;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: #0b0e14;
  font-weight: 700;
  border-color: #fbbf24;
  box-shadow: 0 4px 12px rgba(217, 119, 6, 0.3);
}

.btn-primary:hover:not(:disabled) {
  background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(245, 158, 11, 0.4);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  border-color: var(--border-subtle);
}

.btn-secondary:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--gold-border);
  color: var(--gold-primary);
}

.btn-accent {
  background: var(--gold-dim);
  color: var(--gold-primary);
  border-color: var(--gold-border);
}

.btn-accent:hover:not(:disabled) {
  background: rgba(212, 175, 55, 0.25);
  border-color: var(--gold-primary);
}

.btn-sm {
  padding: 0.35rem 0.75rem;
  font-size: 0.78rem;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ================= NAVIGATION TABS ================= */
.nav-tabs-wrapper {
  background: rgba(20, 17, 14, 0.78);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0 2rem;
  display: flex;
  gap: 1.5rem;
}

.nav-tab {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 0.92rem;
  font-weight: 600;
  padding: 0.9rem 0.5rem;
  cursor: pointer;
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.2s ease;
}

.nav-tab:hover {
  color: var(--gold-primary);
}

.nav-tab.active {
  color: var(--gold-primary);
}

.nav-tab.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gold-primary);
  box-shadow: 0 0 10px var(--gold-primary);
}

.tab-badge {
  background: rgba(255, 255, 255, 0.08);
  font-size: 0.72rem;
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-full);
}

.nav-tab.active .tab-badge {
  background: var(--gold-dim);
  color: var(--gold-primary);
}

/* ================= CONTAINER & TABS ================= */
.app-container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 1.75rem 2rem;
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fadeIn 0.25s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ================= ACTION BARS ================= */
.unified-action-bar {
  background: var(--bg-card);
  border: 1px solid var(--gold-border);
  border-radius: var(--radius-md);
  padding: 0.85rem 1.25rem;
  margin-bottom: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.action-bar-left, .action-bar-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.count-chip {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--gold-primary);
  background: var(--gold-dim);
  border: 1px solid var(--gold-border);
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-sm);
}

/* ================= PROGRESS CARD ================= */
.progress-card {
  background: var(--bg-card);
  border: 1px solid var(--gold-border);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
}

.progress-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
  font-size: 0.88rem;
  font-weight: 700;
}

.progress-track {
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-bottom: 0.5rem;
}

.progress-fill {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, #d4af37 0%, #f59e0b 100%);
  border-radius: var(--radius-full);
  transition: width 0.3s ease;
  box-shadow: 0 0 12px rgba(245, 158, 11, 0.5);
}

.progress-log-ticker {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'JetBrains Mono', monospace;
}

/* ================= FILTERS PANEL (11 CRITERIA) ================= */
.filter-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  margin-bottom: 1.25rem;
}

.filter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 0.75rem;
  align-items: center;
}

.form-select, .form-input {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s;
}

.form-select:focus, .form-input:focus {
  border-color: var(--gold-primary);
  box-shadow: 0 0 8px rgba(212, 175, 55, 0.2);
}

/* ================= PRODUCT PAGE 2-COLUMN LAYOUT & SIDEBAR ================= */
.product-page-layout {
  display: flex;
  align-items: flex-start;
  gap: 1.75rem;
  width: 100%;
}

/* CỘT BÊN TRÁI: PRODUCT CATEGORY & FILTER SIDEBAR (20-25%) */
.product-category-sidebar {
  width: 255px;
  min-width: 240px;
  max-width: 285px;
  flex-shrink: 0;
  background: #ffffff;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.35);
  position: sticky;
  top: 105px;
  z-index: 50;
  border: 1px solid rgba(27, 59, 54, 0.25);
}

/* NÚT TOGGLE TRÊN MOBILE / TABLET (ẨN TRÊN DESKTOP) */
.sidebar-mobile-toggle {
  display: none;
  width: 100%;
  background: var(--bg-header-top); /* #1b3b36 */
  color: #ffffff;
  padding: 13px 18px;
  border: none;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  cursor: pointer;
  align-items: center;
  justify-content: space-between;
  outline: none;
  user-select: none;
  box-sizing: border-box;
}

.sidebar-mobile-arrow {
  display: inline-block;
  font-size: 0.8rem;
  color: #ffffff;
  transition: transform 0.25s ease;
}

/* KHỐI NỘI DUNG CHÍNH TRONG SIDEBAR */
.sidebar-content {
  background: #ffffff;
}

/* CÁC PHÂN ĐOẠN SIDEBAR: 1. DANH MỤC -> 2. TÌM NHANH -> 3. KHOẢNG GIÁ */
.sidebar-section {
  border-bottom: 1px solid #e8e8e8;
}

.sidebar-section:last-child {
  border-bottom: none;
}

/* TIÊU ĐỀ PHÂN ĐOẠN: NỀN XANH LÁ ĐẬM + CHỮ TRẮNG (ĐỒNG BỘ NỀN #1b3b36) */
.sidebar-section-header {
  background: var(--bg-header-top); /* Màu xanh lá đậm thương hiệu #1b3b36 */
  color: #ffffff;
  padding: 12px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
}

.sidebar-section-title {
  font-family: inherit;
  font-size: 0.92rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: #ffffff;
}

/* KHỐI CHỨA CÁC NÚT DANH MỤC */
.sidebar-category-list {
  background: #ffffff;
  display: flex;
  flex-direction: column;
  padding: 0;
  margin: 0;
}

.sidebar-category-item {
  display: block;
  width: 100%;
  padding: 12px 18px;
  background: #ffffff;
  color: #111111; /* Tên category màu đen */
  font-size: 0.92rem;
  font-weight: 500;
  text-align: left; /* Căn chữ sang trái */
  text-decoration: none;
  border: none;
  border-bottom: 1px solid #f2f2f2;
  cursor: pointer;
  font-family: inherit;
  transition: background-color 0.15s ease, color 0.15s ease, padding-left 0.15s ease;
  line-height: 1.4;
  outline: none;
  box-sizing: border-box;
}

.sidebar-category-item:last-child {
  border-bottom: none;
}

/* HOVER EFFECT NHẸ */
.sidebar-category-item:hover {
  background-color: #f5f8f7;
  color: var(--bg-header-top);
  padding-left: 22px;
}

/* ACTIVE STATE: ĐỒNG BỘ VỚI MÀU XANH CỦA TIÊU ĐỀ */
.sidebar-category-item.active {
  background-color: #eaf3f0;
  color: var(--bg-header-top);
  font-weight: 700;
  border-left: 4px solid var(--bg-header-top);
  padding-left: 14px;
}

/* PHẦN BODY CHO TÌM NHANH VÀ KHOẢNG GIÁ */
.sidebar-section-body {
  background: #ffffff;
  padding: 12px 16px 14px 16px;
  box-sizing: border-box;
}

/* Ô INPUT TÌM NHANH */
.sidebar-input {
  display: block;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  padding: 9px 12px;
  background: #ffffff;
  border: 1px solid #cccccc;
  border-radius: 4px;
  font-size: 0.88rem;
  color: #111111;
  font-family: inherit;
  line-height: 1.4;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.sidebar-input::placeholder {
  color: #8c8c8c;
  font-size: 0.82rem;
}

.sidebar-input:focus {
  border-color: var(--bg-header-top);
  box-shadow: 0 0 0 2px rgba(27, 59, 54, 0.18);
}

/* SELECT KHOẢNG GIÁ */
.sidebar-select {
  display: block;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  padding: 9px 32px 9px 12px;
  background-color: #ffffff;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%231b3b36' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 10px 6px;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  border: 1px solid #cccccc;
  border-radius: 4px;
  font-size: 0.88rem;
  color: #111111;
  font-family: inherit;
  line-height: 1.4;
  outline: none;
  cursor: pointer;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.sidebar-select:focus {
  border-color: var(--bg-header-top);
  box-shadow: 0 0 0 2px rgba(27, 59, 54, 0.18);
}

/* CỘT BÊN PHẢI: KHU VỰC SẢN PHẨM (75-80%) */
.product-listing-area {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

/* ================= PRODUCT CARDS GRID (BẮT BUỘC 4 SẢN PHẨM / 1 HÀNG TRÊN DESKTOP) ================= */
.product-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

@media (max-width: 900px) {
  .product-page-layout {
    flex-direction: column;
    gap: 1.25rem;
  }

  .product-category-sidebar {
    width: 100%;
    max-width: 100%;
    position: static;
  }

  .sidebar-mobile-toggle {
    display: flex;
  }

  .product-category-sidebar:not(.mobile-open) .sidebar-content {
    display: none;
  }

  .product-category-sidebar.mobile-open .sidebar-content {
    display: block;
  }

  .product-category-sidebar.mobile-open .sidebar-mobile-arrow {
    transform: rotate(180deg);
  }

  .product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.85rem;
  }
}

@media (max-width: 480px) {
  .product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.55rem;
  }
  .card-image-wrap {
    height: 155px;
  }
  .product-title {
    font-size: 0.82rem;
  }
  .product-price {
    font-size: 0.95rem;
  }
}

@media (max-width: 360px) {
  .product-grid {
    grid-template-columns: repeat(1, minmax(0, 1fr));
    gap: 0.75rem;
  }
  .card-image-wrap {
    height: 220px;
  }
}

/* ================= PRODUCT CARD (THIẾT KẾ NHỎ GỌN, CHUẨN TỶ LỆ 4 CARD/HÀNG) ================= */
.product-card {
  background: #ffffff;
  border: 1px solid rgba(27, 59, 54, 0.12);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  cursor: pointer;
  position: relative;
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.05);
}

.product-card:hover {
  transform: translateY(-3px);
  border-color: rgba(27, 59, 54, 0.35);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.1);
}

.product-card.selected {
  border-color: #1b3b36;
  background: rgba(27, 59, 54, 0.04);
}

/* 1. MỘT ẢNH ĐẠI DIỆN: GIỮ ĐÚNG TỶ LỆ TRANH CUỘN, KHÔNG MÉO, KHÔNG KÉO GIÃN */
.card-image-wrap {
  position: relative;
  width: 100%;
  height: 220px;
  background: #f6f4ee;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  padding: 8px 6px;
  box-sizing: border-box;
}

.card-image-wrap img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  transition: transform 0.3s ease;
  display: block;
  filter: drop-shadow(0 3px 8px rgba(0, 0, 0, 0.08));
}

.product-card:hover .card-image-wrap img {
  transform: scale(1.02);
}

/* Checkbox chọn tranh góc trái trên */
.card-checkbox-wrap {
  position: absolute;
  top: 8px;
  left: 8px;
  z-index: 5;
  background: rgba(0, 0, 0, 0.35);
  border-radius: 4px;
  padding: 2px 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.card-checkbox {
  width: 16px;
  height: 16px;
  accent-color: #1b3b36;
  cursor: pointer;
  margin: 0;
}

/* Badge khuyến mãi nhỏ góc phải trên nếu có */
.card-discount-badge {
  position: absolute;
  top: 8px;
  right: 8px;
  background: #d32f2f;
  color: #ffffff;
  font-family: inherit;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 3px;
  z-index: 5;
  line-height: 1.2;
}

/* PHẦN THÔNG TIN TẬP TRUNG TÓM TẮT DƯỚI ẢNH: TÊN/MÃ -> GIÁ -> TÌNH TRẠNG */
.card-info-wrap {
  padding: 10px 12px 12px;
  display: flex;
  flex-direction: column;
  gap: 5px;
  flex: 1;
  background: #ffffff;
  box-sizing: border-box;
}

/* 2. TÊN SẢN PHẨM + MÃ SẢN PHẨM: CHỮ MÀU TỐI SẮC NÉT TRÊN NỀN SÁNG */
.card-title-row {
  margin-bottom: 2px;
}

.card-title-text {
  font-size: 0.88rem;
  font-weight: 600;
  color: #1a2421;
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 2.38em; /* Đảm bảo chiều cao đồng đều giữa các card */
  word-break: break-word;
}

.card-sku-prefix {
  color: #1b3b36;
  font-weight: 700;
  font-family: 'JetBrains Mono', monospace, inherit;
  letter-spacing: 0.4px;
}

/* 3. GIÁ BÁN - MÀU ĐỎ NỔI BẬT THEO ĐÚNG YÊU CẦU */
.card-price-row {
  display: flex;
  align-items: baseline;
  gap: 6px;
  flex-wrap: wrap;
}

.card-price-label {
  font-size: 0.8rem;
  color: #64748b;
  font-weight: 500;
}

.card-price-value {
  font-size: 1rem;
  font-weight: 800;
  color: #d32f2f;
  letter-spacing: 0.2px;
}

.card-price-original {
  font-size: 0.76rem;
  color: #94a3b8;
  text-decoration: line-through;
}

/* 4. TÌNH TRẠNG: CÒN HÀNG / HẾT HÀNG */
.card-stock-row {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 2px;
}

.card-stock-label {
  font-size: 0.78rem;
  color: #64748b;
}

.card-stock-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.8rem;
  font-weight: 600;
}

.card-stock-badge.stock-in {
  color: #059669;
}

.card-stock-badge.stock-out {
  color: #dc2626;
}

.stock-status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}

.dot-green {
  background-color: #059669;
  box-shadow: 0 0 4px rgba(5, 150, 105, 0.4);
}

.dot-red {
  background-color: #dc2626;
  box-shadow: 0 0 4px rgba(220, 38, 38, 0.4);
}

/* ================= MODAL / POPUP CHI TIẾT SẢN PHẨM ================= */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(10, 8, 7, 0.88);
  backdrop-filter: blur(16px);
  z-index: 100000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.modal-backdrop.open {
  display: flex;
  opacity: 1;
}

.product-detail-modal-box {
  background: rgba(26, 22, 19, 0.95);
  backdrop-filter: blur(24px);
  border: 1px solid var(--gold-border);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 1200px;
  max-height: 92vh;
  display: grid;
  grid-template-columns: 460px 1fr;
  overflow: hidden;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.85), var(--shadow-gold);
  position: relative;
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1.25rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  cursor: pointer;
  z-index: 20;
  transition: all 0.2s ease;
}

.modal-close:hover {
  background: var(--torii-red);
  color: #fff;
  border-color: var(--torii-red);
}

/* Left Column: Horizontal Carousel */
.modal-carousel-col {
  background: rgba(14, 11, 9, 0.92);
  border-right: 1px solid var(--border-subtle);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  justify-content: space-between;
}

.carousel-stage {
  position: relative;
  width: 100%;
  height: 480px;
  background: radial-gradient(circle at 50% 50%, #201a16 0%, #0a0807 100%);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-subtle);
}

.carousel-stage img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.carousel-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(19, 24, 34, 0.75);
  backdrop-filter: blur(8px);
  border: 1px solid var(--gold-border);
  color: var(--gold-primary);
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1rem;
  transition: all 0.2s;
  z-index: 10;
}

.carousel-nav-btn:hover {
  background: var(--gold-primary);
  color: #0b0e14;
}

.carousel-nav-prev { left: 10px; }
.carousel-nav-next { right: 10px; }

/* Dải ảnh thu nhỏ trượt từ trái qua phải */
.carousel-thumbs-slider {
  display: flex;
  gap: 0.65rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
}

.carousel-thumb-item {
  width: 72px;
  height: 90px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  background: #191411;
  cursor: pointer;
  flex-shrink: 0;
  overflow: hidden;
  position: relative;
  transition: all 0.2s;
}

.carousel-thumb-item.active {
  border-color: var(--gold-primary);
  box-shadow: 0 0 10px rgba(223, 177, 123, 0.45);
}

.carousel-thumb-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.carousel-thumb-badge {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.75);
  font-size: 0.6rem;
  text-align: center;
  color: #fff;
  padding: 1px 0;
}

/* Right Column: 11 Standardized Form Fields */
.modal-details-col {
  padding: 1.75rem 2rem;
  overflow-y: auto;
  max-height: 92vh;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.modal-header-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 0.85rem;
}

.modal-sku-badge {
  background: var(--gold-dim);
  color: var(--gold-primary);
  border: 1px solid var(--gold-border);
  font-family: 'JetBrains Mono', monospace;
  font-size: 1rem;
  font-weight: 800;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-sm);
}

.modal-title-input {
  flex: 1;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  font-family: 'Playfair Display', 'Cormorant Garamond', Georgia, serif;
  font-size: 1.15rem;
  font-weight: 700;
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-sm);
}

.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
}

.form-grid-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0.85rem;
}

.field-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.pricing-panel {
  background: rgba(212, 175, 55, 0.04);
  border: 1px solid var(--gold-border);
  border-radius: var(--radius-sm);
  padding: 0.85rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}

.field-price-input {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
}

.modal-actions-bar {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  border-top: 1px solid var(--border-subtle);
  padding-top: 1rem;
  margin-top: 0.5rem;
}

/* ================= FLOATING CONTACT WIDGET (GÓC PHẢI MÀN HÌNH) ================= */
.floating-contact-widget {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 999;
}

.contact-btn {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  text-decoration: none;
  border: 2px solid rgba(255, 255, 255, 0.2);
}

.contact-btn:hover {
  transform: scale(1.1) translateY(-2px);
}

.contact-btn svg {
  width: 26px;
  height: 26px;
  fill: currentColor;
}

/* Zalo - Vàng Hoàng Gia theo ảnh tham chiếu */
.contact-btn-zalo {
  background: linear-gradient(135deg, #f5a623 0%, #e5c158 100%);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.5);
  box-shadow: 0 8px 24px rgba(229, 193, 88, 0.4);
}

.contact-btn-zalo::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: inherit;
  border: 2px solid #e5c158;
  opacity: 0.6;
  animation: pulseRing 2s cubic-bezier(0.215, 0.61, 0.355, 1) infinite;
}

/* Facebook Messenger - Vàng Hoàng Gia theo ảnh tham chiếu */
.contact-btn-fb {
  background: linear-gradient(135deg, #f5a623 0%, #e5c158 100%);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.5);
  box-shadow: 0 8px 24px rgba(229, 193, 88, 0.4);
}

/* Phone Hotline - Vàng Hoàng Gia theo ảnh tham chiếu */
.contact-btn-phone {
  background: linear-gradient(135deg, #f5a623 0%, #e5c158 100%);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.5);
  box-shadow: 0 8px 24px rgba(229, 193, 88, 0.4);
}

.contact-btn-phone::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: inherit;
  border: 2px solid #e5c158;
  opacity: 0.6;
  animation: pulseRing 2s cubic-bezier(0.215, 0.61, 0.355, 1) infinite 0.6s;
}

@keyframes pulseRing {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.2); opacity: 0; }
  100% { transform: scale(1.2); opacity: 0; }
}

/* Tooltip on contact buttons */
.contact-btn .contact-tooltip {
  position: absolute;
  right: 64px;
  background: rgba(26, 22, 19, 0.95);
  backdrop-filter: blur(8px);
  color: #fff;
  border: 1px solid var(--gold-border);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  font-weight: 700;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transform: translateX(10px);
  transition: all 0.2s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.contact-btn:hover .contact-tooltip {
  opacity: 1;
  transform: translateX(0);
}

/* ================= TOAST NOTIFICATION ================= */
.toast-container {
  position: fixed;
  bottom: 24px;
  left: 24px;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  background: rgba(26, 22, 19, 0.95);
  backdrop-filter: blur(14px);
  border: 1px solid var(--gold-border);
  color: var(--text-main);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  gap: 0.65rem;
  animation: slideInLeft 0.25s ease;
}

.toast.success { border-color: var(--celadon-green); }
.toast.info { border-color: var(--gold-primary); }
.toast.error { border-color: var(--torii-red); }

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-20px); }
  to { opacity: 1; transform: translateX(0); }
}

/* ================= RESPONSIVE ================= */
@media (max-width: 1024px) {
  .product-detail-modal-box {
    grid-template-columns: 1fr;
    max-height: 96vh;
    overflow-y: auto;
  }
  .modal-carousel-col {
    border-right: none;
    border-bottom: 1px solid var(--border-subtle);
  }
}

@media (max-width: 600px) {
  .modal-backdrop {
    padding: 0.4rem;
  }
  .product-detail-modal-box {
    border-radius: 8px;
    max-height: 96vh;
  }
  .modal-carousel-col {
    padding: 0.85rem;
  }
  .carousel-stage {
    height: 260px;
  }
  .modal-details-col {
    padding: 1rem 0.85rem;
  }
  .form-grid-2,
  .form-grid-3 {
    grid-template-columns: 1fr;
    gap: 0.6rem;
  }
  .pricing-panel {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }
  .modal-header-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
  .modal-actions-bar {
    flex-direction: column;
    gap: 8px;
  }
  .modal-actions-bar button {
    width: 100%;
  }
  .floating-contact-widget {
    bottom: 16px;
    right: 14px;
    gap: 8px;
  }
  .contact-btn {
    width: 44px;
    height: 44px;
  }
  .contact-btn svg {
    width: 22px;
    height: 22px;
  }
}

/* ==========================================================================
   GOOGLE DRIVE FOLDERS & 10-FOLDER SELECTION STYLES
   ========================================================================== */
.drive-folders-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
  gap: 1.25rem;
  margin-top: 1rem;
}

.drive-folder-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.15rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  position: relative;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.drive-folder-card:hover {
  border-color: var(--gold-border);
  box-shadow: 0 8px 24px rgba(223, 177, 123, 0.18);
  transform: translateY(-2px);
}

.drive-folder-card.selected {
  border-color: var(--gold-primary);
  background: rgba(42, 33, 24, 0.88);
  box-shadow: 0 0 0 1px var(--gold-primary), 0 8px 24px rgba(223, 177, 123, 0.25);
}

.drive-folder-card.folder-disabled {
  opacity: 0.5;
  filter: grayscale(0.2);
  cursor: not-allowed;
}

.drive-folder-card.folder-disabled:hover {
  transform: none;
  border-color: var(--border-subtle);
  box-shadow: none;
}

.folder-header {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.folder-select-box {
  cursor: pointer;
  width: 19px;
  height: 19px;
  accent-color: var(--gold-primary);
  margin-top: 2px;
  flex-shrink: 0;
}

.folder-title-group {
  flex: 1;
  min-width: 0;
}

.folder-name {
  font-family: 'Playfair Display', serif;
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.3;
}

.folder-drive-link {
  font-size: 0.72rem;
  color: var(--gold-primary);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  margin-top: 0.2rem;
  transition: opacity 0.2s;
}

.folder-drive-link:hover {
  text-decoration: underline;
  opacity: 0.85;
}

.folder-meta-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  font-size: 0.72rem;
}

.folder-sku-chip {
  background: var(--gold-dim);
  border: 1px solid var(--gold-border);
  color: var(--gold-primary);
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-sm);
}

.folder-count-badge {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.folder-status-badge {
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  font-size: 0.72rem;
  font-weight: 700;
  margin-left: auto;
}

.folder-status-badge.pending {
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.35);
  color: #fbbf24;
}

.folder-status-badge.analyzed {
  background: rgba(52, 211, 153, 0.12);
  border: 1px solid rgba(52, 211, 153, 0.35);
  color: var(--celadon-green);
}

.folder-status-badge.approved {
  background: rgba(96, 165, 250, 0.12);
  border: 1px solid rgba(96, 165, 250, 0.35);
  color: #60a5fa;
}

.folder-thumb-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.45rem;
  background: rgba(0, 0, 0, 0.35);
  padding: 0.45rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.folder-thumb-item {
  aspect-ratio: 3/4;
  overflow: hidden;
  border-radius: 3px;
  background: #120e0b;
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.folder-thumb-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.25s ease;
}

.folder-thumb-item:hover img {
  transform: scale(1.12);
}

.folder-thumb-tag {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.75);
  font-size: 0.55rem;
  color: #fff;
  text-align: center;
  padding: 1px 0;
  white-space: nowrap;
}

.folder-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 0.35rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.folder-drive-btn {
  background: rgba(223, 177, 123, 0.08);
  border: 1px solid var(--gold-border);
  color: var(--gold-primary);
  padding: 0.3rem 0.65rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s;
}

.folder-drive-btn:hover {
  background: var(--gold-primary);
  color: #0d0a07;
}

/* ==========================================================================
   PROMPTS MANAGEMENT & OPEN-SOURCE DRIVE MODAL STYLES
   ========================================================================== */
.prompt-list-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.75rem 0.85rem;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.prompt-list-item:hover {
  border-color: var(--gold-border);
  background: rgba(45, 36, 28, 0.7);
  transform: translateX(2px);
}

.prompt-list-item.active {
  border-color: var(--gold-primary);
  background: rgba(50, 40, 30, 0.9);
  box-shadow: 0 0 10px rgba(223, 177, 123, 0.25);
}

.prompt-list-item-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
}

.prompt-list-item-title {
  font-family: 'Playfair Display', serif;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.25;
}

.prompt-badge-active {
  background: rgba(52, 211, 153, 0.15);
  border: 1px solid rgba(52, 211, 153, 0.4);
  color: var(--celadon-green);
  font-size: 0.65rem;
  font-weight: 700;
  padding: 0.1rem 0.4rem;
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

.prompt-list-item-desc {
  font-size: 0.72rem;
  color: var(--text-muted);
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.btn-danger {
  background: rgba(220, 38, 38, 0.15);
  border: 1px solid rgba(220, 38, 38, 0.4);
  color: #f87171;
}

.btn-danger:hover {
  background: rgba(220, 38, 38, 0.3);
  border-color: #ef4444;
  color: #fff;
}

.active-drive-tab {
  border-color: var(--gold-primary) !important;
  color: var(--gold-primary) !important;
  background: rgba(223, 177, 123, 0.15) !important;
}

/* ==========================================================================
   ANT DESIGN (ANTD) DESIGN SYSTEM COMPONENT STYLES
   ========================================================================== */
.antd-card {
  background: rgba(26, 21, 17, 0.88);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(223, 177, 123, 0.22);
  border-radius: 8px;
  margin-bottom: 1.25rem;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
  transition: all 0.25s ease;
  overflow: hidden;
}

.antd-card:hover {
  border-color: rgba(223, 177, 123, 0.38);
}

.antd-card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 20px;
  border-bottom: 1px solid rgba(223, 177, 123, 0.15);
  background: rgba(0, 0, 0, 0.2);
  flex-wrap: wrap;
  gap: 8px;
}

.antd-card-title {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--gold-primary);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  letter-spacing: 0.3px;
}

.antd-card-extra {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.antd-card-body {
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* Antd Form Controls */
.antd-form-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.antd-form-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: #e2d9cc;
  white-space: nowrap;
}

.antd-input {
  height: 36px;
  background: rgba(14, 11, 9, 0.85);
  border: 1px solid rgba(223, 177, 123, 0.28);
  border-radius: 6px;
  color: #fff;
  padding: 4px 11px;
  font-size: 0.84rem;
  font-family: inherit;
  transition: all 0.2s cubic-bezier(0.645, 0.045, 0.355, 1);
  outline: none;
}

.antd-input:hover {
  border-color: var(--gold-primary);
}

.antd-input:focus {
  border-color: var(--gold-primary);
  box-shadow: 0 0 0 2px rgba(223, 177, 123, 0.25);
  background: #140f0c;
}

.antd-input-sm {
  height: 32px;
  padding: 2px 8px;
  font-size: 0.8rem;
}

.antd-select {
  height: 36px;
  background: rgba(14, 11, 9, 0.85);
  border: 1px solid rgba(223, 177, 123, 0.28);
  border-radius: 6px;
  color: #fff;
  padding: 4px 11px;
  font-size: 0.84rem;
  font-family: inherit;
  cursor: pointer;
  outline: none;
  transition: all 0.2s;
}

.antd-select:hover {
  border-color: var(--gold-primary);
}

.antd-select:focus {
  border-color: var(--gold-primary);
  box-shadow: 0 0 0 2px rgba(223, 177, 123, 0.25);
}

.antd-select-sm {
  height: 32px;
  padding: 2px 8px;
  font-size: 0.8rem;
}

/* Antd Buttons */
.antd-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-family: inherit;
  font-size: 0.84rem;
  font-weight: 600;
  height: 36px;
  padding: 4px 14px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.645, 0.045, 0.355, 1);
  white-space: nowrap;
  user-select: none;
  text-decoration: none;
}

.antd-btn-default {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: #e5dfd7;
}

.antd-btn-default:hover:not(:disabled) {
  border-color: var(--gold-primary);
  color: var(--gold-primary);
  background: rgba(223, 177, 123, 0.1);
}

.antd-btn-primary {
  background: linear-gradient(135deg, #dfb17b 0%, #b8864d 100%);
  border: 1px solid #dfb17b;
  color: #120e0a;
  font-weight: 700;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

.antd-btn-primary:hover:not(:disabled) {
  background: linear-gradient(135deg, #f0c594 0%, #cf9b5e 100%);
  border-color: #f0c594;
  box-shadow: 0 4px 12px rgba(223, 177, 123, 0.35);
  transform: translateY(-1px);
}

.antd-btn-sm {
  height: 30px;
  padding: 2px 10px;
  font-size: 0.78rem;
}

.antd-btn-lg {
  height: 42px;
  padding: 6px 20px;
  font-size: 0.92rem;
  font-weight: 700;
}

.antd-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

/* Antd Tags */
.antd-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 18px;
  white-space: nowrap;
}

.antd-tag-gold {
  background: rgba(223, 177, 123, 0.12);
  border: 1px solid rgba(223, 177, 123, 0.35);
  color: var(--gold-primary);
}

.antd-tag-success {
  background: rgba(52, 211, 153, 0.12);
  border: 1px solid rgba(52, 211, 153, 0.35);
  color: var(--celadon-green);
}

.antd-tag-warning {
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.35);
  color: #fbbf24;
}

.antd-tag-blue {
  background: rgba(96, 165, 250, 0.12);
  border: 1px solid rgba(96, 165, 250, 0.35);
  color: #60a5fa;
}

/* Antd Alert / Callout */
.antd-alert {
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 0.76rem;
  line-height: 1.5;
  display: flex;
  align-items: center;
  gap: 8px;
}

.antd-alert-info {
  background: rgba(59, 130, 246, 0.08);
  border: 1px solid rgba(59, 130, 246, 0.25);
  color: #93c5fd;
}

.antd-alert-gold {
  background: rgba(223, 177, 123, 0.08);
  border: 1px solid rgba(223, 177, 123, 0.25);
  color: #f1dfc9;
}

/* Antd Action Toolbar */
.antd-toolbar-card {
  background: rgba(20, 16, 13, 0.85);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(223, 177, 123, 0.2);
  border-radius: 8px;
  padding: 12px 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 1.25rem;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
}

.antd-toolbar-left {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.antd-toolbar-right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

/* ==========================================================================
   HOMEPAGE EXPANSION: CỤM CHÍNH SÁCH ĐẶT HÀNG & CẢM NHẬN KHÁCH HÀNG (2 CỘT 50/50)
   Thiết kế chuẩn mực theo phong cách hình mẫu: Xanh đậm, Trắng, Gold Accent
   ========================================================================== */

.homepage-info-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  align-items: stretch;
  margin-top: 2.5rem;
  margin-bottom: 2.5rem;
  width: 100%;
}

/* Thẻ chung cho cả 2 ô (Info Card) để đảm bảo đồng nhất chiều cao, viền, nền */
.info-card {
  background: #ffffff;
  border: 1px solid rgba(27, 59, 54, 0.15);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.info-card:hover {
  border-color: rgba(27, 59, 54, 0.35);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.09);
}

/* Thanh tiêu đề đồng bộ cho cả 2 ô */
.info-card-header {
  display: flex;
  justify-content: space-between;
  align-items: stretch;
  background: var(--bg-header-top); /* #1b3b36 */
  border-bottom: 1px solid rgba(223, 184, 91, 0.25);
  min-height: 48px;
  position: relative;
  overflow: hidden;
}

.info-card-title-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  z-index: 2;
}

.info-card-icon {
  color: var(--gold-primary);
  font-size: 1.1rem;
  line-height: 1;
}

.info-card-title {
  font-family: inherit;
  font-size: 0.98rem;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  margin: 0;
}

/* Chi tiết góc vát hình học trang nhã */
.info-card-accent {
  width: 42px;
  background: linear-gradient(135deg, rgba(223, 184, 91, 0.15) 0%, rgba(223, 184, 91, 0.35) 100%);
  clip-path: polygon(100% 0, 0 100%, 100% 100%);
  position: relative;
}

.info-card-accent::after {
  content: '';
  position: absolute;
  right: 5px;
  bottom: 5px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--gold-primary);
}

/* Nội dung bên trong cả 2 ô */
.info-card-body {
  padding: 1.5rem 1.75rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

/* --- CỘT TRÁI: DANH SÁCH CHÍNH SÁCH ĐẶT HÀNG --- */
.policy-card-body {
  background: #ffffff;
  justify-content: center;
}

.policy-bullet-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin: 0;
  padding: 0;
}

.policy-bullet-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.88rem;
  color: #374151;
  line-height: 1.6;
}

.policy-bullet-dot {
  color: #1b3b36;
  font-size: 0.75rem;
  line-height: 1.6;
  flex-shrink: 0;
}

.policy-bullet-text {
  flex: 1;
}

/* --- CỘT PHẢI: CẢM NHẬN KHÁCH HÀNG (FEEDBACK) --- */
.feedback-card-body {
  background: #ffffff;
  justify-content: space-between;
  padding: 1.25rem 1.75rem 1.25rem 1.75rem;
}

.feedback-slider-wrapper {
  position: relative;
  width: 100%;
  flex: 1;
  display: flex;
  align-items: center;
  padding: 0 1.5rem;
}

.feedback-slider-stage {
  position: relative;
  width: 100%;
  min-height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.feedback-slide {
  display: none;
  flex-direction: column;
  align-items: center;
  text-align: center;
  width: 100%;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.feedback-slide.active {
  display: flex;
  opacity: 1;
}

.feedback-quote-mark {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 2.8rem;
  line-height: 1;
  color: #dfb85b;
  opacity: 0.85;
  margin-bottom: -0.3rem;
  user-select: none;
}

.feedback-quote-text {
  font-family: 'Playfair Display', Georgia, serif;
  font-style: italic;
  font-size: 0.95rem;
  color: #2d3748;
  line-height: 1.65;
  margin-bottom: 1.15rem;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.feedback-author-box {
  display: flex;
  align-items: center;
  gap: 12px;
  text-align: left;
}

.feedback-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2px solid #dfb85b;
  background: #1b3b36;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #dfb85b;
  font-weight: 700;
  font-size: 0.9rem;
  flex-shrink: 0;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.12);
}

.avatar-letter {
  font-family: inherit;
  letter-spacing: 0.5px;
}

.feedback-author-name {
  font-size: 0.92rem;
  font-weight: 700;
  color: #111827;
  margin-bottom: 2px;
}

.feedback-author-role {
  font-size: 0.78rem;
  color: #6b7280;
}

/* Nút điều hướng Carousel */
.feedback-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: #ffffff;
  border: 1px solid rgba(27, 59, 54, 0.2);
  color: #1b3b36;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition: all 0.2s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.feedback-nav-btn:hover {
  background: #1b3b36;
  color: #ffffff;
  border-color: #1b3b36;
}

.feedback-nav-prev {
  left: -8px;
}

.feedback-nav-next {
  right: -8px;
}

/* Dots navigation */
.feedback-dots-container {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: 0.85rem;
}

.feedback-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.25);
  border: 1px solid rgba(223, 184, 91, 0.4);
  cursor: pointer;
  transition: all 0.25s ease;
  padding: 0;
  outline: none;
}

.feedback-dot.active {
  background: var(--gold-primary);
  transform: scale(1.25);
  border-color: var(--gold-primary);
  box-shadow: 0 0 6px rgba(223, 184, 91, 0.5);
}

.feedback-admin-hint {
  margin-top: 0.65rem;
  text-align: center;
  font-size: 0.72rem;
  color: var(--text-dim);
  opacity: 0.75;
}

/* --------------------------------------------------------------------------
   3. SECTION: SITE FOOTER (3 CỘT DESKTOP, 1 CỘT MOBILE)
   -------------------------------------------------------------------------- */
.site-footer {
  background: #0c1815; /* Xanh lá rất đậm / xanh đen */
  border-top: 1px solid rgba(223, 184, 91, 0.25);
  color: #ffffff;
  padding-top: 3.5rem;
  margin-top: 2.5rem;
  position: relative;
  z-index: 10;
}

.footer-inner {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 2.5rem 3.5rem 2.5rem;
  display: grid;
  grid-template-columns: 1.25fr 1fr 1fr;
  gap: 3.5rem;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-brand-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 0.25rem;
}

.footer-logo-circle {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(223, 184, 91, 0.1);
  border: 1px solid rgba(223, 184, 91, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.footer-brand-title {
  font-family: inherit;
  font-size: 1.15rem;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: 0.8px;
}

.footer-brand-subtitle {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--gold-primary);
  letter-spacing: 1px;
}

.footer-brand-desc {
  font-size: 0.83rem;
  color: #b8ccc7;
  line-height: 1.65;
  margin: 0;
}

.footer-aesthetic-tag {
  font-size: 0.75rem;
  color: var(--gold-primary);
  font-weight: 600;
  letter-spacing: 0.5px;
  opacity: 0.9;
}

.footer-heading {
  font-size: 0.95rem;
  font-weight: 700;
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 0.25rem;
  position: relative;
  display: inline-block;
}

.footer-heading::after {
  content: '';
  display: block;
  width: 32px;
  height: 2px;
  background: var(--gold-primary);
  margin-top: 6px;
}

.footer-contact-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  margin: 0;
  padding: 0;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.82rem;
  color: #b8ccc7;
  line-height: 1.45;
}

.footer-contact-icon {
  font-size: 0.95rem;
  line-height: 1.2;
  flex-shrink: 0;
}

.footer-link {
  color: #ffffff;
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-link:hover {
  color: var(--gold-primary);
  text-decoration: underline;
}

.footer-social-desc {
  font-size: 0.82rem;
  color: #b8ccc7;
  line-height: 1.5;
  margin: 0;
}

.footer-social-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  margin-top: 0.25rem;
}

.footer-social-btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(223, 184, 91, 0.2);
  border-radius: 6px;
  color: #ffffff;
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 600;
  transition: all 0.22s ease;
}

.footer-social-btn:hover {
  background: rgba(223, 184, 91, 0.12);
  border-color: var(--gold-primary);
  color: var(--gold-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.footer-bottom-bar {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: #081210;
  padding: 1.25rem 2.5rem;
}

.footer-bottom-inner {
  max-width: 1440px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.78rem;
  color: #7f9994;
}

.footer-bottom-zen {
  color: var(--gold-primary);
  font-size: 0.75rem;
  letter-spacing: 0.5px;
}

/* --------------------------------------------------------------------------
   4. RESPONSIVE BREAKPOINTS (TABLET & MOBILE)
   -------------------------------------------------------------------------- */
@media (max-width: 992px) {
  .homepage-info-row {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    padding: 0 1.75rem 2.5rem 1.75rem;
  }

  .footer-col-brand {
    grid-column: span 2;
  }

  .feedback-slider-wrapper {
    padding: 0 2rem;
  }
}

@media (max-width: 640px) {
  .info-card-body {
    padding: 1.25rem 1rem;
  }

  .feedback-slider-wrapper {
    padding: 0;
  }

  .feedback-nav-btn {
    display: none;
  }

  .feedback-quote-text {
    font-size: 0.9rem;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding: 0 1.25rem 2rem 1.25rem;
  }

  .footer-col-brand {
    grid-column: span 1;
  }

  .footer-bottom-inner {
    flex-direction: column;
    text-align: center;
    gap: 6px;
  }

  .footer-social-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}


/* ==========================================================================
   PUBLIC PRODUCT DETAIL MODAL (LIGHT THEME - JAPANESE GALLERY & WASHI PAPER)
   Chuyên biệt cho khách hàng: Nền sáng ngà, tối giản, thanh lịch, chuẩn bảo tàng
   ========================================================================== */

.public-modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: rgba(14, 24, 21, 0.72);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.28s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.28s ease;
}

.public-modal-backdrop.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.public-modal-container {
  position: relative;
  width: 100%;
  max-width: 1100px;
  max-height: 92vh;
  background: #ffffff;
  border-radius: 16px;
  border: 1px solid rgba(197, 155, 78, 0.28);
  box-shadow: 
    0 25px 65px -12px rgba(12, 22, 19, 0.38),
    0 8px 24px -6px rgba(0, 0, 0, 0.12),
    0 0 0 1px rgba(255, 255, 255, 0.6) inset;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  color: #1f2623;
  transform: translateY(14px) scale(0.985);
  transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

.public-modal-backdrop.open .public-modal-container {
  transform: translateY(0) scale(1);
}

/* Nền trang trí Washi & họa tiết phong cách Zen cực nhẹ, không tranh chấp với tác phẩm */
.public-modal-zen-decor {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.zen-decor-sun {
  position: absolute;
  top: -40px;
  right: 15%;
  width: 190px;
  height: 190px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(214, 58, 42, 0.038) 0%, rgba(214, 58, 42, 0.012) 55%, transparent 75%);
  filter: blur(2px);
}

.zen-decor-mountains {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 100%;
  height: 140px;
  background: linear-gradient(180deg, transparent 0%, rgba(27, 59, 54, 0.02) 100%);
  mask-image: linear-gradient(to top, black 30%, transparent 100%);
  -webkit-mask-image: linear-gradient(to top, black 30%, transparent 100%);
}

/* Nút Đóng Cửa Sổ */
.public-modal-close {
  position: absolute;
  top: 1.15rem;
  right: 1.25rem;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(27, 59, 54, 0.15);
  color: #2b3935;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 30;
  transition: all 0.2s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.public-modal-close:hover {
  background: #1b3b36;
  color: #ffffff;
  border-color: #1b3b36;
  transform: scale(1.05);
}

/* Thân Modal: Cuộn dọc flex column chứa Top Grid & các Full-width Section */
.public-modal-body {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  max-height: 92vh;
  background: #ffffff;
  scrollbar-width: thin;
  scrollbar-color: rgba(27, 59, 54, 0.2) #f4efe6;
}

/* PHẦN TRÊN: 2 CỘT DESKTOP (GALLERY 50% - THÔNG TIN 50%) */
.public-top-grid {
  display: grid;
  grid-template-columns: 50% 50%;
  border-bottom: 1px solid rgba(197, 155, 78, 0.2);
  background: #ffffff;
}

.public-modal-body::-webkit-scrollbar {
  width: 6px;
}
.public-modal-body::-webkit-scrollbar-track {
  background: #f4efe6;
}
.public-modal-body::-webkit-scrollbar-thumb {
  background: rgba(27, 59, 54, 0.2);
  border-radius: 3px;
}
.public-modal-body::-webkit-scrollbar-thumb:hover {
  background: rgba(27, 59, 54, 0.35);
}

/* CỘT TRÁI: GALLERY ẢNH TÁC PHẨM */
.public-gallery-col {
  padding: 2rem 2rem 2rem 2.25rem;
  background: #f7f4ec;
  border-right: 1px solid rgba(197, 155, 78, 0.2);
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  gap: 0.75rem;
}

.public-stage-wrapper {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.public-stage-inner {
  position: relative;
  width: 100%;
  height: 520px;
  background: #efe9dd;
  border-radius: 12px;
  border: 1px solid rgba(197, 155, 78, 0.25);
  box-shadow: inset 0 0 24px rgba(0, 0, 0, 0.04);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.public-image-frame {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
}

.public-image-frame img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 6px 14px rgba(0, 0, 0, 0.12));
  transition: opacity 0.2s ease;
  user-select: none;
}

/* Nút chuyển ảnh trước / sau tinh tế */
.public-gallery-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  border: 1px solid rgba(27, 59, 54, 0.15);
  color: #1b3b36;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  z-index: 10;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
}

.public-gallery-nav:hover {
  background: #1b3b36;
  color: #ffffff;
  border-color: #1b3b36;
  transform: translateY(-50%) scale(1.06);
}

.public-gallery-prev {
  left: 12px;
}

.public-gallery-next {
  right: 12px;
}

.public-image-angle-caption {
  display: none !important;
}

/* Dải Thumbnail Dưới Ảnh - Nằm sát ngay dưới khung ảnh chính */
/* Dải Thumbnail Dưới Ảnh - Căn giữa chuẩn theo chiều rộng của Main Image */
.public-thumbs-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  margin-top: 0.5rem;
}

.public-thumbs-label {
  display: none !important;
}

.public-thumbs-row {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  padding: 4px 2px 6px 2px;
}

.public-thumb-item {
  position: relative;
  width: 68px;
  height: 82px;
  flex-shrink: 0;
  border-radius: 8px;
  overflow: hidden;
  border: 1.5px solid rgba(27, 59, 54, 0.16);
  background: #eae4d8;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.public-thumb-item:hover {
  border-color: #1b3b36;
  transform: translateY(-2px);
}

.public-thumb-item.active {
  border-color: #1b3b36;
  box-shadow: 0 0 0 2px rgba(197, 155, 78, 0.85);
  transform: translateY(-2px);
}

.public-thumb-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.public-thumb-badge {
  position: absolute;
  bottom: 3px;
  right: 3px;
  background: rgba(18, 37, 33, 0.85);
  color: #dfb85b;
  font-size: 0.62rem;
  font-weight: 700;
  padding: 1px 4px;
  border-radius: 3px;
  font-family: 'JetBrains Mono', monospace;
  letter-spacing: 0.3px;
}


/* ==========================================================================
   CỘT PHẢI: THÔNG TIN SẢN PHẨM (PUBLIC ART GALLERY CONTENT)
   ========================================================================== */
.public-info-col {
  padding: 2rem 2.25rem 2rem 2.25rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  background: #ffffff;
}

/* [C] HEADER PRODUCT: MÃ + TÊN + TÌNH TRẠNG (NẰM Ở TOP) */
.public-product-header {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

/* 01. MÃ SẢN PHẨM */
.public-sku-row {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.public-sku-label {
  font-size: 0.74rem;
  font-weight: 700;
  color: #64748b;
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.public-sku-badge {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 1px;
  color: #111827;
  background: #f3f4f6;
  border: 1px solid #d1d5db;
  padding: 2px 10px;
  border-radius: 4px;
}

.public-category-tag {
  font-size: 0.78rem;
  font-weight: 600;
  color: #738480;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* 02. TÊN TRANH & TÊN PHỤ */
.public-title-block {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.public-product-title {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.85rem;
  font-weight: 700;
  color: #111827;
  line-height: 1.25;
  margin: 0;
  letter-spacing: -0.2px;
}

.public-product-subtitle {
  font-size: 0.96rem;
  color: #556662;
  font-style: italic;
  line-height: 1.4;
}

/* 03. TÌNH TRẠNG (CÒN HÀNG / HẾT HÀNG) */
.public-stock-row {
  display: flex;
  align-items: center;
}

.public-stock-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.82rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 20px;
  width: fit-content;
}

.public-stock-badge.in-stock {
  background: #ecfdf5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

.public-stock-badge.out-stock {
  background: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

.public-stock-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
}

.public-stock-badge.in-stock .public-stock-dot {
  background: #059669;
}

.public-stock-badge.out-stock .public-stock-dot {
  background: #dc2626;
}

/* HEADING CHUNG CHO CÁC KHỐI */
.public-section-heading {
  font-size: 0.78rem;
  font-weight: 700;
  color: #111827;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 0.45rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.public-section-heading::after {
  content: "";
  height: 1px;
  flex: 1;
  background: rgba(197, 155, 78, 0.22);
}

/* [D] THÔNG TIN CHI TIẾT TÁC PHẨM (BẮT ĐẦU TẠI 1/4 - 1/3 CHIỀU CAO MAIN IMAGE) */
.public-specs-section {
  display: flex;
  flex-direction: column;
  margin-top: clamp(2.25rem, 5.5vh, 3.75rem); /* Tạo khoảng thở rõ ràng sau Tình trạng Còn hàng */
}

.public-specs-table {
  display: flex;
  flex-direction: column;
  text-align: left;
}

/* Bố cục nhãn trên - giá trị dưới kèm đường kẻ phân cách tinh tế - LEFT ALIGN TUYỆT ĐỐI */
.public-spec-row {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
  gap: 0.2rem;
  padding: 0.65rem 0;
  border-bottom: 1px solid rgba(27, 59, 54, 0.1);
}

.public-spec-row:last-child {
  border-bottom: none;
}

.public-spec-label {
  font-size: 0.76rem;
  font-weight: 700;
  color: #64748b;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  text-align: left;
}

.public-spec-value {
  color: #111827;
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.45;
  text-align: left;
}

/* KHỐI FULL-WIDTH SECTION PHÍA DƯỚI */
.public-fullwidth-section {
  width: 100%;
  box-sizing: border-box;
}

/* 05. NỘI DUNG & Ý NGHĨA (FULL-WIDTH) */
.public-meaning-section.public-fullwidth-section {
  padding: 1.75rem 2.25rem;
  background: #ffffff;
  border-bottom: 1px solid rgba(197, 155, 78, 0.2);
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.public-meaning-content {
  font-size: 0.95rem;
  line-height: 1.8;
  color: #374151;
  background: #faf8f4;
  border-left: 4px solid #1b3b36;
  border: 1px solid rgba(197, 155, 78, 0.22);
  border-left-width: 4px;
  padding: 1.15rem 1.4rem;
  border-radius: 0 8px 8px 0;
}

/* 06, 07, 08. GIÁ BÁN, KHUYẾN MẠI, LIÊN HỆ ZALO (FULL-WIDTH - CĂN VỀ PHÍA PHẢI TRÊN DESKTOP) */
.public-price-action-section.public-fullwidth-section {
  padding: 1.75rem 2.5rem 2.25rem 2.5rem;
  background: #faf8f3;
  display: flex;
  flex-direction: column;
  align-items: flex-end; /* CĂN VỀ PHÍA PHẢI TRÊN DESKTOP */
  gap: 1.15rem;
}

.public-price-section {
  display: flex;
  flex-direction: column;
  align-items: flex-end; /* Căn phải nhãn và giá */
  gap: 0.35rem;
  text-align: right;
}

.public-price-label {
  font-size: 0.74rem;
  font-weight: 700;
  color: #64748b;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  text-align: right;
}

.public-price-group {
  display: flex;
  align-items: baseline;
  justify-content: flex-end;
  gap: 1rem;
  flex-wrap: wrap;
}

.public-sale-price {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif; /* Font đồng nhất với giao diện */
  font-size: 2.1rem;
  font-weight: 800;
  color: #d93829; /* Đỏ Nhật Bản nổi bật theo yêu cầu */
  letter-spacing: -0.5px;
}

.public-original-price {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 1.15rem;
  color: #94a3b8;
  text-decoration: line-through;
  font-weight: 500;
}

.public-discount-badge {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 0.8rem;
  font-weight: 700;
  color: #dc2626;
  background: #fee2e2;
  border: 1px solid #fecaca;
  padding: 3px 8px;
  border-radius: 4px;
}

/* HÀNG NÚT HÀNH ĐỘNG - CĂN PHẢI TRÊN DESKTOP */
.public-actions-bar {
  display: flex;
  justify-content: flex-end;
  gap: 1rem;
  width: 100%;
  max-width: 520px;
}

.public-btn-promo,
.public-btn-zalo {
  flex: 1;
  height: 48px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.3px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
}

.public-btn-promo {
  border: 1.5px solid #1b3b36;
  background: #ffffff;
  color: #1b3b36;
}

.public-btn-promo:hover {
  background: rgba(27, 59, 54, 0.06);
  border-color: #122825;
  transform: translateY(-1px);
}

.public-btn-zalo {
  border: 1.5px solid #0068ff;
  background: #0068ff;
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(0, 104, 255, 0.25);
}

.public-btn-zalo:hover {
  background: #0056d6;
  border-color: #0056d6;
  box-shadow: 0 6px 18px rgba(0, 104, 255, 0.35);
  transform: translateY(-1px);
  color: #ffffff;
}

.btn-icon {
  font-size: 1.1rem;
}


/* ==========================================================================
   POPUP MODAL KHUYẾN MẠI & ƯU ĐÃI (LIGHT THEME)
   ========================================================================== */
.promo-modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 100050;
  background: rgba(12, 20, 18, 0.72);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.promo-modal-backdrop.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.promo-modal-box {
  position: relative;
  background: #fdfbf7;
  max-width: 580px;
  width: 100%;
  border-radius: 14px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(197, 155, 78, 0.35);
  padding: 1.85rem;
  color: #1f2623;
  transform: scale(0.96);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.promo-modal-backdrop.open .promo-modal-box {
  transform: scale(1);
}

.promo-modal-close {
  position: absolute;
  top: 1rem;
  right: 1.25rem;
  background: rgba(27, 59, 54, 0.06);
  border: 1px solid rgba(27, 59, 54, 0.15);
  color: #1b3b36;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.promo-modal-close:hover {
  background: #1b3b36;
  color: #fff;
}

.promo-modal-header {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  margin-bottom: 1.35rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(197, 155, 78, 0.2);
}

.promo-modal-icon {
  font-size: 1.85rem;
  line-height: 1;
}

.promo-modal-title {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.22rem;
  font-weight: 700;
  color: #1b3b36;
  margin: 0;
}

.promo-modal-subtitle {
  font-size: 0.8rem;
  color: #64748b;
  margin-top: 0.25rem;
}

.promo-modal-body {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-bottom: 1.5rem;
}

.promo-item {
  display: flex;
  gap: 0.85rem;
  padding: 0.75rem 0.85rem;
  background: rgba(27, 59, 54, 0.03);
  border-radius: 8px;
  border: 1px solid rgba(27, 59, 54, 0.08);
}

.promo-item-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  font-weight: 700;
  color: #dfb85b;
  background: #1b3b36;
  width: 28px;
  height: 28px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.promo-item-content h4 {
  font-size: 0.88rem;
  font-weight: 700;
  color: #1b3b36;
  margin: 0 0 0.2rem 0;
}

.promo-item-content p {
  font-size: 0.8rem;
  line-height: 1.55;
  color: #4b5563;
  margin: 0;
}

.promo-modal-footer {
  display: flex;
  justify-content: flex-end;
}

.promo-close-btn {
  background: #1b3b36;
  color: #ffffff;
  border: none;
  border-radius: 6px;
  padding: 0.6rem 1.4rem;
  font-size: 0.86rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.promo-close-btn:hover {
  background: #122825;
}


/* ==========================================================================
   RESPONSIVE DESIGN CHO PUBLIC DETAIL MODAL (MOBILE & TABLET)
   ========================================================================== */
@media (max-width: 992px) {
  .public-modal-backdrop {
    padding: 0.75rem;
  }

  .public-modal-container {
    max-height: 96vh;
  }

  .public-top-grid {
    grid-template-columns: 1fr;
  }

  .public-gallery-col {
    padding: 1.5rem 1.25rem 1rem 1.25rem;
    border-right: none;
    border-bottom: 1px solid rgba(197, 155, 78, 0.2);
    justify-content: flex-start;
    gap: 0.75rem;
  }

  .public-stage-inner {
    height: 420px;
  }

  .public-info-col {
    padding: 1.25rem 1.25rem 1.5rem 1.25rem;
  }

  .public-specs-section {
    margin-top: 1.25rem;
  }

  .public-meaning-section.public-fullwidth-section {
    padding: 1.25rem;
  }

  .public-price-action-section.public-fullwidth-section {
    padding: 1.25rem;
    align-items: flex-start;
  }

  .public-price-section {
    align-items: flex-start;
    text-align: left;
  }

  .public-price-label {
    text-align: left;
  }

  .public-price-group {
    justify-content: flex-start;
  }

  .public-actions-bar {
    max-width: 100%;
    flex-direction: column;
    justify-content: flex-start;
  }

  .public-product-title {
    font-size: 1.5rem;
  }
}

@media (max-width: 640px) {
  .public-modal-backdrop {
    padding: 0.4rem;
  }

  .public-modal-close {
    top: 0.75rem;
    right: 0.75rem;
    width: 32px;
    height: 32px;
  }

  .public-stage-inner {
    height: 340px;
  }

  .public-thumb-item {
    width: 58px;
    height: 70px;
  }

  .public-actions-bar {
    grid-template-columns: 1fr;
    gap: 0.65rem;
  }

  .public-btn-promo,
  .public-btn-zalo {
    width: 100%;
    height: 44px;
  }
}

/* ==========================================================================
   TRANH CUỘN NHẬT BẢN — TRANG LIÊN HỆ (CHUẨN 100% THEO VANBAODUONG.COM/LIEN-HE)
   ========================================================================== */

/* 1. Header Banner "LIÊN HỆ" (Chuẩn theo ảnh tham chiếu) */
.contact-header-banner {
  background: #113429;
  border-top: 1px solid rgba(223, 184, 91, 0.2);
  border-bottom: 2px solid #091e18;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.25);
  padding: 1.5rem 1rem;
  text-align: center;
  width: 100%;
}

.contact-header-title {
  margin: 0;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1.75rem;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: 2px;
  text-transform: uppercase;
}

/* 2. Breadcrumbs (Liên Hệ & Về Tranh Cuộn) */
#tab-lien-he .breadcrumbs,
#tab-ve-tranh-cuon .breadcrumbs {
  padding: 14px 0;
  margin: 0 auto;
  font-size: 13px;
  width: 100%;
  background: transparent;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

#tab-lien-he .breadcrumbs .container,
#tab-ve-tranh-cuon .breadcrumbs .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

#tab-lien-he .breadcrumbs .inner,
#tab-ve-tranh-cuon .breadcrumbs .inner {
  display: flex;
  align-items: center;
}

#tab-lien-he .breadcrumbs .breadcrumb,
#tab-ve-tranh-cuon .breadcrumbs .breadcrumb {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 8px;
  background: transparent;
}

#tab-lien-he .breadcrumbs .breadcrumb li,
#tab-ve-tranh-cuon .breadcrumbs .breadcrumb li {
  display: inline-flex;
  align-items: center;
}

#tab-lien-he .breadcrumbs .breadcrumb li a,
#tab-ve-tranh-cuon .breadcrumbs .breadcrumb li a {
  color: #333333;
  text-decoration: none;
  font-size: 13px;
  transition: color 0.2s;
  font-weight: 500;
}

#tab-lien-he .breadcrumbs .breadcrumb li a:hover,
#tab-ve-tranh-cuon .breadcrumbs .breadcrumb li a:hover {
  color: #2a5c58;
}

#tab-lien-he .breadcrumbs .breadcrumb li span img,
#tab-ve-tranh-cuon .breadcrumbs .breadcrumb li span img {
  vertical-align: middle;
  margin: 0 6px;
  width: 9px;
  height: 9px;
  opacity: 0.7;
}

#tab-lien-he .breadcrumbs .breadcrumb li strong,
#tab-ve-tranh-cuon .breadcrumbs .breadcrumb li strong {
  font-weight: 700;
  color: #2a5c58;
}

/* 3. Col2 Layout */
#tab-lien-he .col2-right-layout {
  padding: 2rem 0 3.5rem 0;
  width: 100%;
}

#tab-lien-he .col2-right-layout .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

#tab-lien-he .col2-right-layout .row.j {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
  align-items: start;
}

@media (max-width: 900px) {
  #tab-lien-he .col2-right-layout .row.j {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }
}

/* 4. Left Column: Contact info & article content */
#tab-lien-he .contact .page-title h2 {
  color: #2a5c58;
  font-size: 22px;
  font-weight: 700;
  margin-top: 0;
  margin-bottom: 1.25rem;
  font-family: 'Playfair Display', serif;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 2px solid #2a5c58;
  padding-bottom: 8px;
  display: inline-block;
}

#tab-lien-he .content_ct {
  color: #333333;
  font-size: 14.5px;
  line-height: 1.75;
  font-family: 'Plus Jakarta Sans', sans-serif;
}

#tab-lien-he .content_ct p {
  margin: 0 0 1rem 0;
}

#tab-lien-he .content_ct h2 {
  font-size: 16px;
  color: #2a5c58;
  margin: 1.5rem 0 0.6rem 0;
  font-weight: 700;
  font-family: 'Plus Jakarta Sans', sans-serif;
}

#tab-lien-he .content_ct a {
  color: #2a5c58;
  text-decoration: none;
  font-weight: 600;
  transition: color 0.2s;
}

#tab-lien-he .content_ct a:hover {
  text-decoration: underline;
  color: #1a3c39;
}

/* 5. Right Column: Form */
#tab-lien-he .static-contain {
  background: #ffffff;
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 8px;
  padding: 2rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

#tab-lien-he .static-contain fieldset {
  border: none;
  padding: 0;
  margin: 0;
}

#tab-lien-he .static-contain .customer-name {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
  margin-bottom: 15px;
}

@media (max-width: 600px) {
  #tab-lien-he .static-contain .customer-name {
    grid-template-columns: 1fr;
  }
}

#tab-lien-he .static-contain .input-box {
  margin-bottom: 12px;
}

#tab-lien-he .static-contain label {
  font-size: 13px;
  font-weight: 600;
  color: #333333;
  margin-bottom: 6px;
  display: inline-block;
}

#tab-lien-he .static-contain .required {
  color: #e53935;
}

#tab-lien-he .static-contain .input-text {
  width: 100%;
  border: 1px solid #dcdcdc;
  border-radius: 4px;
  padding: 10px 12px;
  font-size: 14px;
  color: #333333;
  background: #ffffff;
  box-sizing: border-box;
  transition: border-color 0.2s, box-shadow 0.2s;
  font-family: inherit;
}

#tab-lien-he .static-contain .input-text:focus {
  border-color: #2a5c58;
  outline: none;
  box-shadow: 0 0 0 3px rgba(42, 92, 88, 0.15);
}

#tab-lien-he .static-contain .require {
  font-size: 12px;
  color: #777777;
  margin-top: 12px;
  display: block;
}

#tab-lien-he .static-contain .buttons-set {
  margin-top: 16px;
}

#tab-lien-he .static-contain .button.submit {
  color: #ffffff;
  border: 1px solid #2a5c58;
  background: #2a5c58;
  padding: 11px 36px;
  min-width: 150px;
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.25s ease;
}

#tab-lien-he .static-contain .button.submit:hover {
  background: #1c423f;
  border-color: #1c423f;
  box-shadow: 0 4px 12px rgba(42, 92, 88, 0.35);
  transform: translateY(-1px);
}

/* 6. Google Map */
#tab-lien-he .google-map {
  width: 100%;
  margin-top: 2rem;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  border: 1px solid rgba(0, 0, 0, 0.08);
}

#tab-lien-he .google-map iframe {
  display: block;
  width: 100%;
  height: 450px;
  border: none;
}

/* ==========================================================================
   TRANH CUỘN NHẬT BẢN — TRANG VỀ TRANH CUỘN NHẬT (KAKEJIKU)
   ========================================================================== */

#tab-ve-tranh-cuon .about-article-container {
  max-width: 960px;
  margin: 1.5rem auto 4.5rem auto;
  padding: 1rem 20px;
  background: transparent;
}

@media (max-width: 768px) {
  #tab-ve-tranh-cuon .about-article-container {
    padding: 0.75rem 15px;
    margin: 1rem auto 3rem auto;
  }
}

.about-hero-title {
  font-family: 'Playfair Display', serif;
  font-size: 2.1rem;
  font-weight: 700;
  color: #2a5c58;
  text-align: center;
  line-height: 1.35;
  margin-top: 0;
  margin-bottom: 1.75rem;
  letter-spacing: 0.5px;
}

@media (max-width: 768px) {
  .about-hero-title {
    font-size: 1.6rem;
  }
}

.about-lead {
  font-size: 1.15rem;
  font-weight: 600;
  color: #2a5c58;
  font-style: italic;
  line-height: 1.75;
  text-align: center;
  margin-bottom: 1.5rem;
  padding: 0 1rem;
}

#tab-ve-tranh-cuon p {
  color: #333333;
  font-size: 15px;
  line-height: 1.8;
  margin: 0 0 1.2rem 0;
  font-family: 'Plus Jakarta Sans', sans-serif;
}

.about-section-title {
  font-family: 'Playfair Display', serif;
  font-size: 1.45rem;
  font-weight: 700;
  color: #2a5c58;
  margin: 2.25rem 0 1rem 0;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(42, 92, 88, 0.2);
  display: flex;
  align-items: center;
  gap: 10px;
}

.about-section-title::before {
  content: '❖';
  font-size: 1rem;
  color: #dfb85b;
}

.about-figure {
  margin: 2rem 0;
  text-align: center;
}

.about-figure img {
  width: 100%;
  max-height: 480px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.07);
}

.about-figure figcaption {
  font-size: 0.85rem;
  font-style: italic;
  color: #666666;
  margin-top: 8px;
}

.about-image-duo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin: 2rem 0;
}

@media (max-width: 650px) {
  .about-image-duo {
    grid-template-columns: 1fr;
  }
}

.about-themes-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin: 1.5rem 0 2rem 0;
}

@media (max-width: 700px) {
  .about-themes-grid {
    grid-template-columns: 1fr;
  }
}

.about-theme-card {
  background: #fbf9f5;
  border: 1px solid rgba(223, 184, 91, 0.25);
  border-left: 3px solid #2a5c58;
  border-radius: 6px;
  padding: 1.2rem;
  transition: transform 0.2s, box-shadow 0.2s;
}

.about-theme-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.about-theme-card h4 {
  margin: 0 0 6px 0;
  font-size: 1.05rem;
  font-weight: 700;
  color: #2a5c58;
  font-family: 'Playfair Display', serif;
}

.about-theme-card p {
  margin: 0 !important;
  font-size: 0.88rem !important;
  line-height: 1.6 !important;
  color: #444444 !important;
}

.about-cta-box {
  margin-top: 3rem;
  padding: 2rem;
  background: #fbf9f5;
  border: 1px solid rgba(223, 184, 91, 0.35);
  border-radius: 8px;
  display: flex;
  justify-content: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  text-align: center;
}

.about-cta-btn {
  padding: 12px 28px;
  font-size: 14px;
  font-weight: 700;
  border-radius: 4px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.25s ease;
  font-family: 'Plus Jakarta Sans', sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.about-cta-primary {
  background: #2a5c58;
  color: #ffffff;
  border: 1px solid #2a5c58;
}

.about-cta-primary:hover {
  background: #1c423f;
  border-color: #1c423f;
  box-shadow: 0 4px 12px rgba(42, 92, 88, 0.35);
  transform: translateY(-1px);
}

.about-cta-secondary {
  background: #ffffff;
  color: #2a5c58;
  border: 1px solid #2a5c58;
}

.about-cta-secondary:hover {
  background: #2a5c58;
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(42, 92, 88, 0.25);
  transform: translateY(-1px);
}