/**
 * SMASHZONE BADMINTON - CAULONG.VN INSPIRED THEME
 * Bảng màu:
 * - Deep navy blue: #071B33
 * - Royal blue: #123F70
 * - White backgrounds: #FFFFFF
 * - Subtle light-gray sections: #F4F6F9
 * - Small cyan accents: #35B8D4
 * - Red accent: #E53E3E
 */

:root {
  --primary-navy: #071B33;
  --secondary-navy: #0C2340;
  --royal-blue: #123F70;
  --royal-blue-hover: #0E3259;
  --royal-blue-light: #1A5494;
  --cyan-accent: #35B8D4;
  --cyan-hover: #269CB6;
  --cyan-subtle: rgba(53, 184, 212, 0.12);
  --cyan-glow: rgba(53, 184, 212, 0.25);
  --card-bg: #FFFFFF;
  --body-bg: #F4F6F9;
  --text-dark: #0F172A;
  --text-muted: #64748B;
  --text-light: #94A3B8;
  --border-color: #E2E8F0;
  --border-light: #EDF2F7;
  --danger-color: #E53E3E;
  --accent-gold: #F59E0B;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --shadow-sm: 0 1px 3px rgba(7, 27, 51, 0.05);
  --shadow-md: 0 4px 14px rgba(7, 27, 51, 0.08);
  --shadow-lg: 0 10px 25px rgba(7, 27, 51, 0.12);
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background-color: var(--body-bg);
  color: var(--text-dark);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.2s ease;
}

/* =========================================================
   HEADER & NAVBAR (CAULONG.VN STYLE)
========================================================= */

.site-sticky-header {
  position: sticky;
  top: 0;
  z-index: 1030;
}

/* Top bar */
.top-bar {
  background-color: #041021;
  font-size: 0.82rem;
  color: #94A3B8;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.top-bar a {
  color: #CBD5E1;
}

.top-bar a:hover {
  color: var(--cyan-accent);
}

.top-bar-badge {
  background: rgba(53, 184, 212, 0.15);
  color: var(--cyan-accent);
  border: 1px solid rgba(53, 184, 212, 0.3);
  font-size: 0.75rem;
  padding: 3px 8px;
  border-radius: 4px;
}

/* Main Brand Header (Navy bar with Logo, Search, Hotline, Cart) */
.main-header-bar {
  background-color: var(--primary-navy);
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  position: relative;
  z-index: 1021;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: #FFFFFF !important;
  font-size: 1.5rem;
}

.brand-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--cyan-accent) 0%, #20879D 100%);
  color: #FFFFFF;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  box-shadow: 0 4px 10px rgba(53, 184, 212, 0.35);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-main {
  font-size: 1.45rem;
  font-weight: 900;
  letter-spacing: 0.5px;
}

.brand-accent {
  color: var(--cyan-accent);
}

.brand-slogan {
  font-size: 0.65rem;
  font-weight: 600;
  color: #94A3B8;
  letter-spacing: 1.2px;
  text-transform: uppercase;
}

/* Header Search Input */
.header-search {
  position: relative;
  max-width: 480px;
  width: 100%;
}

.header-search input {
  background: #FFFFFF;
  border: 2px solid transparent;
  color: var(--text-dark);
  border-radius: 8px;
  padding: 0.62rem 3.2rem 0.62rem 1rem;
  font-size: 0.9rem;
  transition: all 0.25s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.header-search input:focus {
  background: #FFFFFF;
  border-color: var(--cyan-accent);
  box-shadow: 0 0 0 3px var(--cyan-glow);
  color: var(--text-dark);
  outline: none;
}

.header-search input::placeholder {
  color: #94A3B8;
  font-size: 0.88rem;
}

.header-search .search-btn {
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--royal-blue);
  border: none;
  color: #FFFFFF;
  width: 38px;
  height: 34px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.header-search .search-btn:hover {
  background: var(--cyan-accent);
  color: var(--primary-navy);
}

/* Header Quick Info (Hotline, Account, Cart) */
.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  white-space: nowrap;
}

.header-hotline-box {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #FFFFFF;
  padding: 5px 10px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.header-hotline-label {
  white-space: nowrap;
  font-size: 0.62rem;
  text-transform: uppercase;
}

.header-actions .header-action-btn,
.header-actions #header-auth-container a {
  white-space: nowrap;
}

.header-actions #header-auth-container > .d-flex {
  flex-wrap: nowrap;
}

.header-actions #header-auth-container .btn {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.header-hotline-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--cyan-subtle);
  color: var(--cyan-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
}

.header-action-btn {
  position: relative;
  color: #FFFFFF;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 7px 14px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 0.88rem;
  font-weight: 600;
  transition: all 0.25s ease;
}

.header-action-btn:hover {
  background: var(--royal-blue);
  border-color: var(--cyan-accent);
  color: #FFFFFF;
}

.header-action-btn i {
  font-size: 1.15rem;
  color: var(--cyan-accent);
}

.cart-badge-count {
  position: absolute;
  top: -6px;
  right: -6px;
  background-color: var(--danger-color);
  color: #FFFFFF;
  font-size: 0.72rem;
  font-weight: 800;
  padding: 2px 6px;
  border-radius: 12px;
  border: 2px solid var(--primary-navy);
  min-width: 18px;
  text-align: center;
}

/* Secondary Royal Blue Navigation Bar (caulong.vn sticky bar) */
.main-navbar {
  background-color: var(--royal-blue);
  border-bottom: 2px solid var(--cyan-accent);
  padding: 0;
  box-shadow: 0 4px 15px rgba(7, 27, 51, 0.15);
}

.main-navbar .nav-link {
  color: #FFFFFF !important;
  font-weight: 600;
  font-size: 0.92rem;
  padding: 0.75rem 1rem !important;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  transition: all 0.2s ease;
  position: relative;
}

.main-navbar .nav-link:hover,
.main-navbar .nav-link.active {
  background-color: var(--royal-blue-hover);
  color: var(--cyan-accent) !important;
}

.main-navbar .nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--cyan-accent);
}

.nav-flash-deal {
  background: #C53030 !important;
  color: #FFFFFF !important;
  font-weight: 700 !important;
  border-radius: 4px;
  margin: 4px 0;
  animation: pulseDeal 2s infinite;
}

@keyframes pulseDeal {
  0% { transform: scale(1); }
  50% { transform: scale(1.02); }
  100% { transform: scale(1); }
}

/* Dropdown Menu styling */
.navbar-nav .dropdown-menu {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  box-shadow: var(--shadow-lg);
  margin-top: 0;
}

.navbar-nav .dropdown-item {
  font-size: 0.88rem;
  padding: 0.55rem 1.2rem;
  font-weight: 500;
  color: var(--text-dark);
}

.navbar-nav .dropdown-item:hover {
  background-color: var(--cyan-subtle);
  color: var(--royal-blue);
  padding-left: 1.4rem;
}

/* =========================================================
   HERO BANNER & PROMO SECTION (CAULONG.VN STYLE)
========================================================= */

.hero-wrapper {
  background-color: var(--primary-navy);
}

#heroBannerCarousel .carousel-item {
  transition: transform 0.6s ease-in-out;
}

#heroBannerCarousel .carousel-indicators [data-bs-target] {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin: 0 4px;
  background-color: #FFFFFF;
  opacity: 0.5;
  transition: all 0.3s ease;
}

#heroBannerCarousel .carousel-indicators .active {
  background-color: var(--cyan-accent);
  opacity: 1;
  width: 26px;
  border-radius: 6px;
}

/* Promo side banners next to slider */
.promo-side-card {
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  height: 100%;
  min-height: 200px;
  background-color: var(--secondary-navy);
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 20px;
  transition: all 0.3s ease;
}

.promo-side-card:hover {
  transform: translateY(-3px);
  border-color: var(--cyan-accent);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.promo-side-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.45;
  transition: transform 0.5s ease;
}

.promo-side-card:hover .promo-side-bg {
  transform: scale(1.08);
}

.promo-side-content {
  position: relative;
  z-index: 2;
  color: #FFFFFF;
}

/* =========================================================
   BRAND LOGOS SHOWCASE STRIP (YONEX, LI-NING, VICTOR, MIZUNO)
========================================================= */

.brand-showcase-strip {
  background: #FFFFFF;
  border-bottom: 1px solid var(--border-color);
  padding: 16px 0;
}

.brand-card-link {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  background: var(--body-bg);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  color: var(--text-dark);
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: 0.5px;
  transition: all 0.25s ease;
  height: 100%;
}

.brand-card-link:hover {
  background: #FFFFFF;
  border-color: var(--royal-blue);
  color: var(--royal-blue);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.brand-card-link .brand-pill-icon {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: var(--primary-navy);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 8px;
  font-size: 0.8rem;
}

.brand-card-link:hover .brand-pill-icon {
  background: var(--cyan-accent);
  color: var(--primary-navy);
}

/* =========================================================
   CATEGORY SHORTCUT PILLS
========================================================= */

.category-shortcut-card {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 16px 12px;
  text-align: center;
  transition: all 0.25s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
}

.category-shortcut-card:hover {
  transform: translateY(-4px);
  border-color: var(--cyan-accent);
  box-shadow: 0 6px 18px rgba(7, 27, 51, 0.08);
}

.category-shortcut-icon {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: var(--body-bg);
  color: var(--royal-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 10px;
  transition: all 0.25s ease;
}

.category-shortcut-card:hover .category-shortcut-icon {
  background: var(--royal-blue);
  color: var(--cyan-accent);
}

.category-shortcut-title {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 2px;
}

/* =========================================================
   FLASH SALE / HOT DEALS BOX
========================================================= */

.flash-sale-wrapper {
  background: linear-gradient(135deg, #071B33 0%, #123F70 100%);
  border-radius: 16px;
  padding: 24px 28px;
  color: #FFFFFF;
  position: relative;
  overflow: hidden;
  border: 2px solid rgba(53, 184, 212, 0.3);
  box-shadow: var(--shadow-lg);
}

.flash-sale-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 20px;
}

.flash-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.4rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.flash-badge-hot {
  background: #FF4757;
  color: #FFFFFF;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 800;
}

.flash-timer-box {
  display: flex;
  align-items: center;
  gap: 6px;
}

.timer-block {
  background: rgba(0, 0, 0, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 6px;
  padding: 4px 8px;
  font-size: 0.95rem;
  font-weight: 800;
  font-family: monospace;
  color: var(--cyan-accent);
}

.timer-colon {
  font-weight: 800;
  color: #FFFFFF;
}

/* =========================================================
   PRODUCT CARD (CLEAN, ATHLETIC, CAULONG.VN STYLE)
========================================================= */

.product-card {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  overflow: hidden;
  transition: all 0.25s ease;
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.product-card:hover {
  transform: translateY(-4px);
  border-color: var(--cyan-accent);
  box-shadow: 0 10px 24px rgba(7, 27, 51, 0.1);
}

.product-img-wrapper {
  position: relative;
  width: 100%;
  padding-top: 92%; /* Clean square-like aspect ratio */
  overflow: hidden;
  background-color: #F8FAFC;
  border-bottom: 1px solid var(--border-light);
}

.product-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 12px;
  transition: transform 0.35s ease;
}

.product-card:hover .product-img {
  transform: scale(1.05);
}

/* Product Badges */
.product-badges {
  position: absolute;
  top: 10px;
  left: 10px;
  display: flex;
  flex-direction: column;
  gap: 5px;
  z-index: 2;
}

.badge-tag {
  font-size: 0.7rem;
  font-weight: 800;
  padding: 3px 7px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  line-height: 1.2;
}

.badge-sale {
  background-color: var(--danger-color);
  color: #FFFFFF;
}

.badge-brand-tag {
  background-color: var(--primary-navy);
  color: var(--cyan-accent);
  border: 1px solid rgba(53, 184, 212, 0.4);
}

.badge-new {
  background-color: var(--royal-blue);
  color: #FFFFFF;
}

.badge-stock-out {
  background-color: #64748B;
  color: #FFFFFF;
}

.product-body {
  padding: 14px 14px 16px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.product-brand-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}

.product-brand-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--royal-blue);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.product-rating {
  font-size: 0.72rem;
  color: var(--accent-gold);
  display: flex;
  align-items: center;
  gap: 3px;
  font-weight: 600;
}

.product-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1.4;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  height: 2.7rem;
}

.product-name a {
  color: var(--text-dark);
}

.product-name a:hover {
  color: var(--royal-blue);
}

.product-stock-status {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 5px;
}

.stock-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: #10B981;
}

.stock-dot.out {
  background-color: var(--danger-color);
}

.product-price-row {
  margin-top: auto;
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 12px;
}

.product-price {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--danger-color);
}

.product-original-price {
  font-size: 0.85rem;
  color: var(--text-light);
  text-decoration: line-through;
}

/* Product Card Actions */
.product-card-actions {
  display: flex;
  gap: 6px;
}

.btn-card-cart {
  flex: 1;
  background-color: var(--royal-blue);
  color: #FFFFFF;
  border: 1px solid var(--royal-blue);
  padding: 7px 10px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.85rem;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.btn-card-cart:hover {
  background-color: var(--cyan-accent);
  border-color: var(--cyan-accent);
  color: var(--primary-navy);
}

.btn-card-view {
  background: var(--body-bg);
  color: var(--text-dark);
  border: 1px solid var(--border-color);
  width: 36px;
  height: 36px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.btn-card-view:hover {
  background: var(--border-color);
  color: var(--royal-blue);
}

/* =========================================================
   BUTTONS (CYAN & ROYAL BLUE STYLES)
========================================================= */

.btn-neon {
  background-color: var(--cyan-accent);
  border: 1px solid var(--cyan-accent);
  color: var(--primary-navy);
  font-weight: 700;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.btn-neon:hover {
  background-color: var(--cyan-hover);
  border-color: var(--cyan-hover);
  color: var(--primary-navy);
}

.btn-neon:focus-visible {
  outline: 3px solid var(--cyan-glow);
  outline-offset: 2px;
}

.btn-cyan {
  background-color: var(--cyan-accent);
  color: var(--primary-navy);
  font-weight: 700;
  border: none;
  padding: 0.6rem 1.4rem;
  border-radius: 6px;
  transition: all 0.25s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-cyan:hover {
  background-color: var(--cyan-hover);
  color: var(--primary-navy);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px var(--cyan-glow);
}

.btn-royal {
  background-color: var(--royal-blue);
  color: #FFFFFF;
  font-weight: 700;
  border: none;
  padding: 0.6rem 1.4rem;
  border-radius: 6px;
  transition: all 0.25s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-royal:hover {
  background-color: var(--royal-blue-hover);
  color: #FFFFFF;
  transform: translateY(-2px);
}

/* =========================================================
   FEATURE BENEFIT BOXES (CHÍNH HÃNG, GIAO HÀNG, CĂNG CƯỚC)
========================================================= */

.benefit-box {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 14px;
  transition: all 0.25s ease;
}

.benefit-box:hover {
  border-color: var(--cyan-accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow-sm);
}

.benefit-icon {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  background: var(--cyan-subtle);
  color: var(--royal-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  flex-shrink: 0;
}

/* =========================================================
   SECTION HEADERS
========================================================= */

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  border-bottom: 2px solid var(--border-color);
  padding-bottom: 10px;
}

.section-title {
  font-size: 1.45rem;
  font-weight: 800;
  position: relative;
  color: var(--primary-navy);
  text-transform: uppercase;
  letter-spacing: 0.3px;
  margin-bottom: 0;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -12px;
  left: 0;
  width: 60px;
  height: 3px;
  background-color: var(--cyan-accent);
}

.section-subtext {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* =========================================================
   PRODUCTS LISTING PAGE (SIDEBAR & FILTERS)
========================================================= */

.filter-sidebar-card {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 18px;
}

.filter-block-title {
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--royal-blue);
  letter-spacing: 0.5px;
  margin-bottom: 12px;
  padding-bottom: 6px;
  border-bottom: 1px dashed var(--border-color);
}

.category-filter-item {
  cursor: pointer;
  padding: 8px 12px;
  border-radius: 6px;
  margin-bottom: 4px;
  font-size: 0.9rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all 0.2s ease;
}

.category-filter-item:hover {
  background-color: var(--cyan-subtle);
  color: var(--royal-blue);
}

.category-filter-item.active {
  background-color: var(--royal-blue);
  color: #FFFFFF;
  font-weight: 700;
}

.category-filter-item.active .badge {
  background-color: var(--cyan-accent) !important;
  color: var(--primary-navy) !important;
}

.brand-checkbox-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  font-size: 0.88rem;
  cursor: pointer;
}

/* =========================================================
   PRODUCT DETAIL PAGE
========================================================= */

.detail-img-box {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 20px;
  text-align: center;
}

.detail-main-img {
  max-height: 440px;
  width: 100%;
  object-fit: contain;
}

.detail-service-banner {
  background: #EFF6FF;
  border: 1px solid #BFDBFE;
  border-radius: 8px;
  padding: 14px;
  color: var(--royal-blue);
}

.quantity-picker {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  overflow: hidden;
  background: #FFFFFF;
}

.cart-img {
  display: block;
  width: 88px;
  height: 88px;
  flex: 0 0 88px;
  object-fit: contain;
  padding: 4px;
  background: #F8FAFC;
  border: 1px solid var(--border-light);
  border-radius: 8px;
}

.quantity-picker button {
  background: var(--body-bg);
  border: none;
  width: 38px;
  height: 38px;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-dark);
  transition: all 0.2s ease;
}

.quantity-picker button:hover {
  background: var(--border-color);
}

.quantity-picker input {
  width: 50px;
  height: 38px;
  border: none;
  text-align: center;
  font-weight: 700;
  outline: none;
}

/* =========================================================
   EMPTY STATE & NOTIFICATIONS
========================================================= */

.empty-state {
  text-align: center;
  padding: 60px 20px;
  background: #FFFFFF;
  border-radius: 10px;
  border: 1px dashed var(--border-color);
}

.empty-state-icon {
  font-size: 3.2rem;
  color: #CBD5E1;
  margin-bottom: 14px;
}

/* =========================================================
   FOOTER (DEEP NAVY #071B33, CAULONG.VN STYLE)
========================================================= */

footer {
  background-color: var(--primary-navy);
  color: #94A3B8;
  border-top: 3px solid var(--cyan-accent);
  margin-top: 50px;
}

.footer-top {
  padding: 48px 0 24px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #FFFFFF;
  font-size: 1.45rem;
  font-weight: 900;
  margin-bottom: 14px;
}

.footer-heading {
  color: #FFFFFF;
  font-size: 0.95rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 8px;
}

.footer-heading::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 32px;
  height: 2px;
  background-color: var(--cyan-accent);
}

.footer-links-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links-list li {
  margin-bottom: 9px;
  font-size: 0.88rem;
}

.footer-links-list a {
  color: #94A3B8;
  transition: all 0.2s ease;
}

.footer-links-list a:hover {
  color: var(--cyan-accent);
  padding-left: 4px;
}

.social-links {
  display: flex;
  gap: 8px;
}

.social-btn {
  width: 36px;
  height: 36px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.08);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.25s ease;
}

.social-btn:hover {
  background: var(--cyan-accent);
  color: var(--primary-navy);
  transform: translateY(-2px);
}

.footer-bottom {
  padding: 18px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.82rem;
  color: #64748B;
}

/* Active Category indicator for sidebar */
.active-category {
  background-color: var(--royal-blue) !important;
  color: #FFFFFF !important;
  font-weight: 700 !important;
}

.active-category .badge {
  background-color: var(--cyan-accent) !important;
  color: var(--primary-navy) !important;
}

/* Import Responsive CSS */
@import url('responsive.css');