body {
      background-color: #F4F5F9;
      color: #1A1A2E;
    }

    .custom-scrollbar::-webkit-scrollbar {
      width: 4px;
    }

    .custom-scrollbar::-webkit-scrollbar-track {
      background: #E9EBF2;
    }

    .custom-scrollbar::-webkit-scrollbar-thumb {
      background: #17154A;
      border-radius: 10px;
    }

    .header-bg {
      background: linear-gradient(135deg, #17154A 0%, #222063 70%, #2A2870 100%);
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .line-clamp-2 {
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .line-clamp-3 {
      display: -webkit-box;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

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

    .premium-card {
      background: #FFFFFF;
      border: 1px solid rgba(23, 21, 74, 0.12);
      border-radius: 12px;
      box-shadow: 0 4px 16px rgba(23, 21, 74, 0.06);
      transition: box-shadow 0.25s ease, transform 0.2s ease, border-color 0.2s;
    }

    .premium-card:hover {
      box-shadow: 0 12px 32px rgba(23, 21, 74, 0.10);
      transform: translateY(-3px);
      border-color: rgba(23, 21, 74, 0.25);
    }

    .btn-crimson {
      background: #C81F45;
      border: 1px solid #C81F45;
      color: #fff;
      transition: background 0.2s, border-color 0.2s, box-shadow 0.2s;
    }

    .btn-crimson:hover {
      background: #B0173C;
      border-color: #B0173C;
      box-shadow: 0 4px 12px rgba(200, 31, 69, 0.25);
    }

    .btn-navy {
      background: #17154A;
      border: 1px solid #17154A;
      color: #FFFFFF;
      transition: background 0.2s, border-color 0.2s, box-shadow 0.2s;
    }

    .btn-navy:hover {
      background: #222063;
      border-color: #222063;
      box-shadow: 0 4px 12px rgba(23, 21, 74, 0.2);
    }

    .btn-outline-navy {
      background: transparent;
      border: 1px solid rgba(23, 21, 74, 0.3);
      color: #17154A;
      transition: all 0.2s;
    }

    .btn-outline-navy:hover {
      background: #17154A;
      color: #fff;
      border-color: #17154A;
    }

    .brand-divider {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 1rem;
    }

    .brand-divider::before,
    .brand-divider::after {
      content: '';
      flex: 1;
      height: 1px;
      background: rgba(23, 21, 74, 0.15);
    }

    .brand-divider i {
      color: #C81F45;
      font-size: 1.2rem;
      opacity: 0.8;
    }

    .input-premium {
      background: #FFFFFF;
      border: 1px solid rgba(23, 21, 74, 0.15);
      color: #1A1A2E;
      border-radius: 8px;
      padding: 0.5rem 0.75rem;
      transition: border-color 0.2s, box-shadow 0.2s;
    }

    /* ============================================================
       LAZY LOADING - PLACEHOLDER & SHIMMER ANIMATION
       ============================================================ */
       
    .image-placeholder {
      background: linear-gradient(135deg, #f5f5f5 25%, #e8e8e8 50%, #f5f5f5 75%);
      background-size: 400% 400%;
      animation: shimmer 1.5s ease-in-out infinite;
      min-height: 200px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #999;
      font-size: 14px;
      border-radius: 8px;
    }

    @keyframes shimmer {
      0% {
        background-position: 200% 0;
      }

      100% {
        background-position: -200% 0;
      }
    }

    .lazy-image {
      opacity: 0;
      transition: opacity 0.5s ease;
    }

    .lazy-image.loaded {
      opacity: 1;
    }

    /* Product card image container - ensure placeholder shows */
    .product-img-bg {
      position: relative;
      overflow: hidden;
      background: #f5f5f5;
    }

    .product-img-bg .image-placeholder {
      position: absolute;
      inset: 0;
      z-index: 1;
      min-height: 100%;
    }

    .product-img-bg img {
      position: relative;
      z-index: 2;
    }

    .input-premium:focus {
      outline: none;
      border-color: #17154A;
      box-shadow: 0 0 0 3px rgba(23, 21, 74, 0.08);
    }

    .input-premium::placeholder {
      color: #8A8AA8;
    }

    .nav-premium {
      background: #FFFFFF;
      border-bottom: 1px solid rgba(23, 21, 74, 0.08);
      box-shadow: 0 1px 4px rgba(23, 21, 74, 0.04);
    }

    .icon-accent {
      color: #C81F45;
    }

    .badge-navy {
      background: #17154A;
      color: #FFFFFF;
      border: 1px solid rgba(255, 255, 255, 0.1);
    }

    .hover-crimson {
      transition: color 0.2s;
    }

    .hover-crimson:hover {
      color: #C81F45;
    }

    .footer-premium {
      background: #FFFFFF;
      border-top: 1px solid rgba(23, 21, 74, 0.08);
      border-bottom: 4px solid #C81F45;
    }

    .sidebar-link {
      transition: background 0.15s, color 0.15s;
      cursor: pointer;
    }

    .sidebar-link:hover {
      background: rgba(23, 21, 74, 0.04);
      color: #17154A;
    }

    .sidebar-link.active {
      background: #17154A;
      color: #FFFFFF;
    }

    .product-img-bg {
      background: #F8F9FC;
      border-radius: 8px;
    }

    /* Popular Cards */
    @keyframes float {

      0%,
      100% {
        transform: translateY(0px) rotate(0deg);
      }

      50% {
        transform: translateY(-8px) rotate(0.5deg);
      }
    }

    @keyframes glowPulse {

      0%,
      100% {
        border-color: rgba(200, 31, 69, 0.2);
        box-shadow: 0 4px 15px rgba(23, 21, 74, 0.08);
      }

      50% {
        border-color: rgba(200, 31, 69, 0.5);
        box-shadow: 0 8px 30px rgba(200, 31, 69, 0.2);
      }
    }

    @keyframes tagPulse {

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

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

    @keyframes fireBounce {

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

      25% {
        transform: scale(1.3) rotate(-10deg);
      }

      75% {
        transform: scale(1.2) rotate(10deg);
      }
    }

    @keyframes pricePop {

      0%,
      100% {
        transform: scale(1);
        color: #C81F45;
      }

      50% {
        transform: scale(1.08);
        color: #B0173C;
      }
    }

    @keyframes shineSlide {
      0% {
        left: -100%;
      }

      100% {
        left: 200%;
      }
    }

    @keyframes particleFloat {
      0% {
        transform: translateY(0) scale(0);
        opacity: 0;
      }

      20% {
        opacity: 1;
      }

      80% {
        opacity: 1;
      }

      100% {
        transform: translateY(-100px) scale(1);
        opacity: 0;
      }
    }

    @keyframes counterPop {
      0% {
        transform: scale(0);
        opacity: 0;
      }

      70% {
        transform: scale(1.3);
        opacity: 1;
      }

      100% {
        transform: scale(1);
        opacity: 1;
      }
    }

    @keyframes arrowBounce {

      0%,
      100% {
        transform: translateX(0);
      }

      50% {
        transform: translateX(5px);
      }
    }

    @keyframes livePulse {

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

      50% {
        transform: scale(1.5);
        opacity: 0.5;
      }
    }

    .popular-card {
      position: relative;
      background: #FFFFFF;
      border-radius: 16px;
      overflow: hidden;
      box-shadow: 0 4px 15px rgba(23, 21, 74, 0.08);
      transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
      cursor: pointer;
      border: 2px solid rgba(200, 31, 69, 0.15);
      transform-style: preserve-3d;
      perspective: 800px;
      animation: float 4s ease-in-out infinite, glowPulse 3s ease-in-out infinite;
    }

    .popular-card:nth-child(2) {
      animation-delay: 0.3s;
    }

    .popular-card:nth-child(3) {
      animation-delay: 0.6s;
    }

    .popular-card:nth-child(4) {
      animation-delay: 0.9s;
    }

    .popular-card:nth-child(5) {
      animation-delay: 1.2s;
    }

    .popular-card:hover {
      animation-play-state: paused;
      transform: translateY(-15px) scale(1.03) rotateX(3deg) rotateY(3deg) !important;
    }

    .popular-tag {
      position: absolute;
      top: 12px;
      left: 12px;
      background: linear-gradient(135deg, #C81F45, #FF6B8A);
      color: #fff;
      font-size: 9px;
      font-weight: 700;
      padding: 5px 14px;
      border-radius: 20px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      box-shadow: 0 4px 20px rgba(200, 31, 69, 0.4);
      z-index: 2;
      animation: tagPulse 2s ease-in-out infinite;
      display: flex;
      align-items: center;
      gap: 5px;
    }

    .popular-tag .fire-emoji {
      display: inline-block;
      animation: fireBounce 1s ease-in-out infinite;
    }

    .popular-price {
      display: inline-block;
      animation: pricePop 2.5s ease-in-out infinite;
    }

    .popular-card .popular-shine {
      position: absolute;
      top: 0;
      left: -100%;
      width: 100%;
      height: 100%;
      background: linear-gradient(90deg,
          transparent 0%,
          rgba(255, 255, 255, 0.15) 30%,
          rgba(255, 255, 255, 0.25) 50%,
          rgba(255, 255, 255, 0.15) 70%,
          transparent 100%);
      transform: skewX(-25deg);
      transition: left 0.8s ease;
      pointer-events: none;
      z-index: 1;
    }

    .popular-card:hover .popular-shine {
      left: 200%;
    }

    .popular-particles {
      position: absolute;
      inset: 0;
      pointer-events: none;
      overflow: hidden;
      border-radius: 16px;
      z-index: 0;
    }

    .particle {
      position: absolute;
      width: 4px;
      height: 4px;
      border-radius: 50%;
      animation: particleFloat 4s ease-in-out infinite;
      opacity: 0;
    }

    .popular-counter {
      display: inline-block;
      animation: counterPop 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
    }

    .popular-card:hover .popular-hover-icon {
      animation: arrowBounce 0.8s ease-in-out infinite;
    }

    .popular-card .popular-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
      transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
      position: relative;
      z-index: 1;
    }

    .popular-card:hover .popular-image {
      transform: scale(1.08);
    }

    .popular-card .popular-content {
      padding: 16px;
      position: relative;
      background: #FFFFFF;
      z-index: 1;
    }

    .popular-card .popular-name {
      font-size: 14px;
      font-weight: 600;
      color: #1A1A2E;
      margin-bottom: 4px;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .popular-card .popular-code {
      font-size: 16 px;
      color: #6B6B8A;
      margin-bottom: 4px;
    }

    /* Pagination Styles */
    #pagination-container {
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 6px;
      margin-top: 2rem;
      padding: 1rem 0;
    }

    .pagination-btn {
      min-width: 36px;
      height: 36px;
      padding: 0 10px;
      border: 1px solid #e2e8f0;
      border-radius: 6px;
      background: white;
      color: #1a202c;
      font-size: 13px;
      font-weight: 500;
      cursor: pointer;
      transition: all 0.2s ease;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .pagination-btn:hover:not(.disabled):not(.active) {
      background: #f7fafc;
      border-color: #C81F45;
      color: #C81F45;
    }

    .pagination-btn.active {
      background: #C81F45;
      border-color: #C81F45;
      color: white;
    }

    .pagination-btn.disabled {
      opacity: 0.4;
      cursor: not-allowed;
      pointer-events: none;
    }

    .pagination-dots {
      padding: 0 4px;
      color: #a0aec0;
      font-size: 14px;
    }

    .popular-card .popular-hover-icon {
      position: absolute;
      right: 16px;
      bottom: 16px;
      width: 36px;
      height: 36px;
      background: #C81F45;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 14px;
      opacity: 0;
      transform: translateX(10px);
      transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
      box-shadow: 0 4px 15px rgba(200, 31, 69, 0.3);
    }

    .popular-card:hover .popular-hover-icon {
      opacity: 1;
      transform: translateX(0);
    }

    .popular-section {
      opacity: 0;
      transform: translateY(30px);
      transition: all 0.8s ease;
    }

    .popular-section.visible {
      opacity: 1;
      transform: translateY(0);
    }

    .popular-section .popular-badge {
      position: relative;
      display: inline-block;
    }

    .popular-section .popular-badge::after {
      content: '';
      position: absolute;
      bottom: -4px;
      left: 0;
      width: 100%;
      height: 3px;
      background: linear-gradient(90deg, #C81F45, #FF6B8A);
      border-radius: 2px;
      transform: scaleX(0);
      transition: transform 0.6s ease;
      transform-origin: left;
    }

    .popular-section .popular-badge:hover::after {
      transform: scaleX(1);
    }

    .live-indicator {
      display: inline-block;
      width: 8px;
      height: 8px;
      background: #22C55E;
      border-radius: 50%;
      animation: livePulse 1.5s ease-in-out infinite;
    }

    /* Mobile Filter Button */
    .filter-toggle-btn {
      display: none;
    }

    /* Sidebar overlay for mobile */
    .sidebar-overlay {
      display: none;
      position: fixed;
      inset: 0;
      background: rgba(0, 0, 0, 0.5);
      z-index: 60;
    }

    .sidebar-overlay.active {
      display: block;
    }

    .sidebar-mobile {
      position: fixed;
      top: 0;
      left: -100%;
      width: 85%;
      max-width: 320px;
      height: 100%;
      background: #FFFFFF;
      z-index: 70;
      overflow-y: auto;
      transition: left 0.3s ease;
      padding: 20px;
      box-shadow: 4px 0 20px rgba(0, 0, 0, 0.1);
    }

    .sidebar-mobile.active {
      left: 0;
    }

    .sidebar-mobile .close-btn {
      position: absolute;
      top: 12px;
      right: 16px;
      font-size: 24px;
      color: #1A1A2E;
      cursor: pointer;
      background: none;
      border: none;
    }

    /* Product Card Click Effect */
    .product-card-click {
      cursor: pointer;
      transition: all 0.3s ease;
    }

    .product-card-click:active {
      transform: scale(0.97);
    }

    /* Toast Notification */
    .toast-notification {
      position: fixed;
      bottom: 30px;
      right: 30px;
      background: #17154A;
      color: white;
      padding: 15px 25px;
      border-radius: 12px;
      box-shadow: 0 10px 40px rgba(23, 21, 74, 0.3);
      z-index: 100;
      transform: translateY(100px);
      opacity: 0;
      transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
      border-left: 4px solid #C81F45;
      max-width: 400px;
    }

    .toast-notification.show {
      transform: translateY(0);
      opacity: 1;
    }

    .toast-notification .toast-close {
      background: none;
      border: none;
      color: rgba(255, 255, 255, 0.5);
      cursor: pointer;
      font-size: 18px;
      margin-left: 15px;
      transition: color 0.2s;
    }

    .toast-notification .toast-close:hover {
      color: white;
    }

    /* Active filter category */
    .category-active {
      background: #17154A !important;
      color: #FFFFFF !important;
    }

    /* RESPONSIVE */
    @media (max-width: 1023px) {
      .filter-toggle-btn {
        display: flex;
      }

      .sidebar-desktop {
        display: none !important;
      }
    }

    @media (max-width: 768px) {
      .popular-card {
        animation-duration: 3s;
      }

      .popular-card:nth-child(2) {
        animation-delay: 0.2s;
      }

      .popular-card:nth-child(3) {
        animation-delay: 0.4s;
      }

      .popular-card:nth-child(4) {
        animation-delay: 0.6s;
      }

      .popular-card:nth-child(5) {
        animation-delay: 0.8s;
      }

      .popular-card .popular-image {
        height: 150px;
      }

      .popular-card .popular-name {
        font-size: 12px;
      }

      .popular-card .popular-price {
        font-size: 14px;
      }

      .popular-tag {
        font-size: 7px;
        padding: 3px 10px;
      }

      .popular-card .popular-hover-icon {
        display: none;
      }

      .header-bg {
        padding: 12px 16px !important;
      }
    }

    @media (max-width: 480px) {
      .popular-card .popular-image {
        height: 120px;
      }

      .popular-card .popular-content {
        padding: 12px;
      }

      .popular-card .popular-name {
        font-size: 11px;
      }

      .popular-card .popular-code {
        font-size: 9px;
      }

      .popular-card .popular-price {
        font-size: 12px;
      }

      .popular-card .popular-hover-icon {
        width: 28px;
        height: 28px;
        font-size: 11px;
        right: 12px;
        bottom: 12px;
      }

      .footer-premium .grid {
        gap: 16px !important;
      }
    }