/* SMB Teknoloji — Design System */
/* ═══ SMB Teknoloji — Full Design System ═══ */
:root {
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-primary-deeper: #1e3a8a;
  --color-primary-light: #dbeafe;
  --color-primary-glow: rgba(37,99,235,0.25);
  --color-accent: #06b6d4;
  --color-accent-2: #8b5cf6;
  --color-success: #10b981;
  --color-dark: #0a0f1e;
  --color-dark-card: #111827;
  --color-white: #ffffff;
  --color-gray-50: #f8fafc;
  --color-gray-100: #f1f5f9;
  --color-gray-200: #e2e8f0;
  --color-gray-300: #cbd5e1;
  --color-gray-400: #94a3b8;
  --color-gray-500: #64748b;
  --color-gray-600: #475569;
  --color-gray-700: #334155;
  --color-gray-800: #1e293b;
  --color-gray-900: #0f172a;
  --max-width: 1280px;
  --radius: 0.875rem;
  --radius-lg: 1.25rem;
  --radius-xl: 1.5rem;
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
  --transition-slow: 0.5s cubic-bezier(0.4,0,0.2,1);
  --gradient-primary: linear-gradient(135deg, #1d4ed8 0%, #2563eb 50%, #3b82f6 100%);
  --gradient-dark: linear-gradient(180deg, #0a0f1e 0%, #111827 100%);
  /* DAY Theme */
  --theme-bg: #eef1f6;
  --theme-bg-alt: #e2e7f0;
  --theme-surface: #ffffff;
  --theme-surface-hover: #f8fafc;
  --theme-surface-elevated: #ffffff;
  --theme-border: #d1d9e6;
  --theme-border-light: #e2e8f0;
  --theme-text: #1e293b;
  --theme-text-secondary: #475569;
  --theme-text-muted: #64748b;
  --theme-text-faint: #94a3b8;
  --theme-heading-gradient: linear-gradient(135deg, #0f172a 0%, #334155 100%);
  --theme-shadow: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.03);
  --theme-shadow-md: 0 4px 12px -2px rgba(0,0,0,.08), 0 2px 6px -2px rgba(0,0,0,.04);
  --theme-shadow-lg: 0 12px 32px -4px rgba(0,0,0,.1), 0 4px 12px -4px rgba(0,0,0,.06);
  --theme-shadow-xl: 0 24px 60px -12px rgba(0,0,0,.15);
  --shadow-glow: 0 0 40px rgba(37,99,235,0.12);
  --shadow-glow-strong: 0 0 60px rgba(37,99,235,0.25);
  --theme-card-glow: rgba(37,99,235,0.06);
  --theme-input-bg: #f3f6fa;
  --theme-input-border: #d1d9e6;
  --theme-badge-bg: rgba(37,99,235,0.08);
}
[data-theme="night"] {
  --theme-bg: #060a14;
  --theme-bg-alt: #0c1122;
  --theme-surface: #111827;
  --theme-surface-hover: #1a2236;
  --theme-surface-elevated: #1e293b;
  --theme-border: rgba(255,255,255,0.08);
  --theme-border-light: rgba(255,255,255,0.05);
  --theme-text: #e2e8f0;
  --theme-text-secondary: #94a3b8;
  --theme-text-muted: #64748b;
  --theme-text-faint: #475569;
  --theme-heading-gradient: linear-gradient(135deg, #ffffff 0%, #93c5fd 100%);
  --theme-shadow: 0 1px 3px rgba(0,0,0,.3), 0 1px 2px rgba(0,0,0,.2);
  --theme-shadow-md: 0 4px 12px -2px rgba(0,0,0,.4), 0 2px 6px -2px rgba(0,0,0,.3);
  --theme-shadow-lg: 0 12px 32px -4px rgba(0,0,0,.5), 0 4px 12px -4px rgba(0,0,0,.3);
  --theme-shadow-xl: 0 24px 60px -12px rgba(0,0,0,.7);
  --shadow-glow: 0 0 50px rgba(37,99,235,0.2);
  --shadow-glow-strong: 0 0 80px rgba(37,99,235,0.4);
  --theme-card-glow: rgba(37,99,235,0.12);
  --theme-input-bg: #0c1122;
  --theme-input-border: rgba(255,255,255,0.1);
  --theme-badge-bg: rgba(37,99,235,0.15);
  --color-primary-light: rgba(37,99,235,0.15);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--theme-text);
  background: var(--theme-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background 0.6s ease, color 0.6s ease;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: none; transition: color var(--transition); }
h1 { font-size: clamp(2.25rem,5vw,3.75rem); font-weight: 800; line-height: 1.1; letter-spacing: -0.03em; background: var(--theme-heading-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
h2 { font-size: clamp(1.75rem,4vw,2.75rem); font-weight: 700; line-height: 1.2; letter-spacing: -0.02em; }
h3 { font-size: clamp(1.15rem,2vw,1.5rem); font-weight: 600; line-height: 1.3; }
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 2rem; }
.section { padding: 6rem 0; position: relative; }
.section-header { text-align: center; margin-bottom: 4rem; }
.section-header h2 { display: inline-block; position: relative; }
.section-header h2::after { content: ''; display: block; width: 60px; height: 4px; background: var(--gradient-primary); border-radius: 2px; margin: 0.75rem auto 0; transition: width var(--transition-slow); }
.section-header:hover h2::after { width: 120px; }
.section-header p { color: var(--theme-text-muted); max-width: 680px; margin: 1rem auto 0; font-size: 1.15rem; line-height: 1.8; }
.section-decorated::before {
  content: ''; position: absolute; top: -100px; right: -150px;
  width: 400px; height: 400px; border-radius: 50%;
  background: radial-gradient(circle, rgba(37,99,235,0.06) 0%, transparent 70%);
  pointer-events: none;
}

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.9rem 2.25rem; border-radius: var(--radius); font-weight: 600;
  font-size: 1rem; cursor: pointer; transition: all var(--transition);
  text-decoration: none; border: 2px solid transparent;
  position: relative; overflow: hidden; font-family: inherit;
}
.btn::before { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, rgba(255,255,255,0) 100%); opacity: 0; transition: opacity var(--transition); }
.btn:hover::before { opacity: 1; }
.btn-primary { background: var(--gradient-primary); color: var(--color-white); box-shadow: 0 4px 15px rgba(37,99,235,0.35); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(37,99,235,0.45); }
.btn-outline { border-color: var(--color-primary); color: var(--color-primary); background: transparent; }
.btn-outline:hover { background: var(--color-primary); color: var(--color-white); transform: translateY(-2px); box-shadow: 0 8px 25px rgba(37,99,235,0.3); }
.btn-whatsapp-lg {
  background: #25D366 !important; color: white !important; border: none !important;
  padding: 0.85rem 1.5rem; border-radius: var(--radius); font-weight: 600; font-size: 0.95rem;
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  transition: all var(--transition); text-decoration: none; flex: 1; min-width: 180px;
}
.btn-whatsapp-lg:hover { background: #128C7E !important; box-shadow: 0 4px 16px rgba(37,211,102,0.35); transform: translateY(-2px); }
.cta-group { display: flex; gap: 1.25rem; flex-wrap: wrap; }

/* ── TopBar ── */
.topbar {
  background: linear-gradient(90deg, #050a18 0%, #0c1225 50%, #050a18 100%);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  font-size: 0.8rem; position: relative; z-index: 101;
}
.topbar-inner { display: flex; align-items: center; justify-content: space-between; padding: 0.5rem 2rem; max-width: var(--max-width); margin: 0 auto; }
.topbar-left { display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap; }
.topbar-item { display: inline-flex; align-items: center; gap: 0.4rem; color: rgba(255,255,255,0.55); text-decoration: none; transition: color 0.3s ease; white-space: nowrap; }
a.topbar-item:hover { color: rgba(255,255,255,0.9); }
.topbar-item svg { color: var(--color-primary); opacity: 0.7; flex-shrink: 0; }
.topbar-divider { color: rgba(255,255,255,0.15); font-size: 0.7rem; user-select: none; }
.topbar-right { display: flex; align-items: center; gap: 0.5rem; }
.topbar-social {
  display: inline-flex; align-items: center; justify-content: center;
  width: 28px; height: 28px; border-radius: 50%;
  color: rgba(255,255,255,0.45); background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08); transition: all 0.3s ease; text-decoration: none;
}
.topbar-social:hover { color: var(--color-white); background: var(--color-primary); border-color: var(--color-primary); transform: translateY(-1px); }
@media (max-width: 768px) { .topbar { display: none; } }

/* ── Header ── */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(10,15,30,0.6);
  backdrop-filter: blur(20px) saturate(1.8);
  -webkit-backdrop-filter: blur(20px) saturate(1.8);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: background 0.4s cubic-bezier(0.4,0,0.2,1), box-shadow 0.4s cubic-bezier(0.4,0,0.2,1), border-color 0.4s cubic-bezier(0.4,0,0.2,1);
}
.site-header.scrolled { background: rgba(10,15,30,0.92); box-shadow: 0 4px 30px rgba(0,0,0,0.3); }
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.85rem 2rem; max-width: var(--max-width); margin: 0 auto;
}
.logo img { height: 40px; width: auto; filter: brightness(0) invert(1); transition: filter var(--transition); }
.main-nav { display: flex; gap: 2rem; }
.main-nav a {
  color: rgba(255,255,255,0.75); font-weight: 500; font-size: 0.92rem;
  text-decoration: none; transition: all var(--transition);
  position: relative; padding: 0.25rem 0; letter-spacing: 0.01em;
}
.main-nav a::after { content: ''; position: absolute; bottom: -2px; left: 0; width: 0; height: 2px; background: linear-gradient(90deg, #2563eb, #06b6d4); border-radius: 1px; transition: width var(--transition); }
.main-nav a:hover { color: var(--color-white); }
.main-nav a:hover::after { width: 100%; }
.main-nav a.active { color: var(--color-white); }
.main-nav a.active::after { width: 100%; }
.header-actions { display: flex; align-items: center; gap: 0.75rem; }
.portal-btn {
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.5rem 1rem; border-radius: 100px;
  background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
  color: var(--color-white); font-size: 0.82rem; font-weight: 600;
  text-decoration: none; transition: all var(--transition); white-space: nowrap;
  box-shadow: 0 2px 10px rgba(37,99,235,0.3); border: 1px solid rgba(255,255,255,0.1);
}
.portal-btn:hover { transform: translateY(-1px); box-shadow: 0 4px 20px rgba(37,99,235,0.5); background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%); }
.portal-btn svg { flex-shrink: 0; }
.lang-dropdown { position: relative; }
.lang-current {
  display: flex; align-items: center; gap: 0.5rem;
  padding: 0.45rem 0.75rem; border-radius: 100px;
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.12);
  cursor: pointer; font-size: 0.85rem; font-weight: 500;
  color: rgba(255,255,255,0.8); transition: all var(--transition); font-family: inherit;
}
.lang-current:hover { border-color: rgba(255,255,255,0.25); background: rgba(255,255,255,0.12); }
.flag-icon { border-radius: 2px; object-fit: cover; flex-shrink: 0; }
.chevron { transition: transform var(--transition); flex-shrink: 0; }
.lang-current[aria-expanded='true'] .chevron { transform: rotate(180deg); }
.lang-menu {
  display: none; position: absolute; top: calc(100% + 8px); right: 0;
  background: rgba(15,23,42,0.95); backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.1); border-radius: var(--radius);
  box-shadow: 0 20px 50px rgba(0,0,0,0.5); min-width: 170px; overflow: hidden; z-index: 200;
}
.lang-menu.open { display: block; }
.lang-option {
  display: flex; align-items: center; gap: 0.6rem;
  padding: 0.7rem 1rem; text-decoration: none;
  color: rgba(255,255,255,0.7); font-size: 0.88rem; font-weight: 500;
  transition: all var(--transition);
}
.lang-option:hover { background: rgba(255,255,255,0.08); color: var(--color-white); }
.lang-option.active { background: rgba(37,99,235,0.2); color: #93c5fd; font-weight: 600; }
.mobile-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.mobile-toggle span { width: 24px; height: 2px; background: rgba(255,255,255,0.8); transition: all var(--transition); border-radius: 1px; }
.mobile-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.mobile-toggle.active span:nth-child(2) { opacity: 0; }
.mobile-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }
.mobile-menu {
  display: none; padding: 1.25rem 1.5rem 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.06);
  background: rgba(10,15,30,0.95); backdrop-filter: blur(20px);
}
.mobile-menu.open { display: block; }
.mobile-nav { display: flex; flex-direction: column; gap: 0.25rem; margin-bottom: 1rem; }
.mobile-nav a { color: rgba(255,255,255,0.75); font-weight: 500; font-size: 1rem; text-decoration: none; padding: 0.65rem 0.75rem; border-radius: var(--radius); transition: all var(--transition); }
.mobile-nav a:hover { background: rgba(255,255,255,0.06); color: var(--color-white); }
.mobile-portal { width: 100%; justify-content: center; padding: 0.75rem 1rem; margin-bottom: 0.75rem; border-radius: var(--radius); font-size: 0.95rem; }
.mobile-lang { display: flex; flex-direction: column; gap: 0.25rem; }
.mobile-lang .lang-option { border-radius: var(--radius); }

/* ── Mobile E-commerce Header ── */
.mobile-shop-menu {
  display: none; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: 50%;
  background: rgba(255,255,255,0.08); border: none;
  color: white; cursor: pointer; transition: all var(--transition); flex-shrink: 0;
}
.mobile-shop-menu:hover { background: rgba(255,255,255,0.18); }
.mobile-search-toggle {
  display: none; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: 50%;
  background: rgba(255,255,255,0.08); border: none;
  color: white; cursor: pointer; transition: all var(--transition); flex-shrink: 0;
}
.mobile-search-toggle:hover { background: rgba(255,255,255,0.18); }

@media (max-width: 768px) {
  .main-nav { display: none; }
  .header-actions { display: flex !important; gap: 0.4rem; }
  .header-actions .header-user-btn,
  .header-actions .lang-dropdown { display: none !important; }
  .mobile-toggle { display: none !important; }
  .mobile-menu { display: none !important; }
  .mobile-shop-menu { display: flex; }
  .mobile-search-toggle { display: flex; }
  .header-inner { padding: 0.6rem 1rem; }
  .logo { flex: 1; display: flex; justify-content: center; }
  .logo img { height: 32px; }
}

/* ── Page Hero ── */
/* ── Shop Search Header (n11-style) ── */
.shop-search-header {
  background: var(--gradient-dark); padding: 6.5rem 0 1.5rem;
  position: relative; overflow: hidden;
}
.shop-search-header::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(37,99,235,0.3), transparent);
}
.shop-search-bar {
  display: flex; align-items: center; max-width: 680px; margin: 0 auto;
  background: #fff; border-radius: 8px; overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}
.shop-search-bar .search-icon {
  margin-left: 1rem; color: #999; flex-shrink: 0;
}
.shop-search-bar input {
  flex: 1; border: none; background: transparent; padding: 0.85rem 0.75rem;
  font-size: 0.95rem; color: #333; outline: none; font-family: inherit;
}
.shop-search-bar input::placeholder { color: #bbb; }
.shop-search-btn {
  background: var(--color-primary); color: #fff; border: none;
  padding: 0.85rem 1.5rem; font-size: 0.9rem; font-weight: 600;
  cursor: pointer; transition: background 0.2s; font-family: inherit;
}
.shop-search-btn:hover { background: #1d4ed8; }

/* ── Breadcrumb (n11-style) ── */
.shop-breadcrumb {
  display: flex; align-items: center; gap: 0.35rem; flex-wrap: wrap;
  font-size: 0.78rem; color: var(--theme-text-muted); margin-bottom: 0.75rem;
}
.shop-breadcrumb a {
  color: var(--theme-text-muted); text-decoration: none; transition: color 0.2s;
}
.shop-breadcrumb a:hover { color: var(--color-primary); text-decoration: underline; }
.shop-breadcrumb svg { opacity: 0.4; flex-shrink: 0; }
.shop-breadcrumb span:last-child { color: var(--theme-text); font-weight: 500; }

/* ── Search Result Info (n11-style) ── */
.search-result-info {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; flex-wrap: wrap; margin-bottom: 1rem;
  padding: 0.6rem 0; border-bottom: 1px solid var(--theme-border);
}
.result-text { font-size: 0.88rem; color: var(--theme-text-muted); }
.result-text strong { color: var(--theme-text); }
.result-sort-area { display: flex; align-items: center; gap: 0.5rem; }
.sort-select-n11 {
  appearance: none; background: var(--theme-surface);
  border: 1px solid var(--theme-border); border-radius: 6px;
  padding: 0.5rem 2rem 0.5rem 0.75rem; font-size: 0.82rem;
  font-family: inherit; color: var(--theme-text); cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 0.6rem center;
}

/* ── Filter Bar (non-search mode) ── */
.catalog-filter-bar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; flex-wrap: wrap; margin-bottom: 1rem;
}
.filter-toggles { display: flex; align-items: center; gap: 1.5rem; }

/* ── Search submit button inside form ── */
.search-submit-btn {
  background: var(--color-primary); border: none; color: #fff;
  padding: 0.6rem 0.9rem; cursor: pointer; border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  transition: background 0.2s; display: flex; align-items: center; justify-content: center;
  margin: -0.85rem; margin-left: 0.5rem;
  padding-top: 0.85rem; padding-bottom: 0.85rem;
}
.search-submit-btn:hover { background: #1d4ed8; }

/* ── Sidebar Sections (n11-style) ── */
.sidebar-section { margin-bottom: 0.5rem; }
.sidebar-section-title {
  font-size: 0.82rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.04em; color: var(--theme-text);
  padding: 0.65rem 0; border-bottom: 1px solid var(--theme-border);
  cursor: default;
}
.sidebar-section-toggle {
  cursor: pointer; display: flex; align-items: center; justify-content: space-between;
  user-select: none;
}
.sidebar-section-toggle svg { transition: transform 0.25s ease; }
.sidebar-section-toggle.collapsed svg { transform: rotate(-90deg); }
.cat-list.collapsed,
.brand-list.collapsed,
.spec-list.collapsed { display: none; }

/* ── Brand List (n11-style) ── */
.brand-list {
  list-style: none; padding: 0; margin: 0.25rem 0 0; max-height: 200px;
  overflow-y: auto; scrollbar-width: thin;
}
.brand-item a {
  display: flex; justify-content: space-between; align-items: center;
  padding: 0.35rem 0.5rem; border-radius: 6px;
  font-size: 0.82rem; color: var(--theme-text-muted); text-decoration: none;
  transition: all 0.15s ease;
}
.brand-item a:hover {
  background: rgba(37,99,235,0.06); color: var(--color-primary);
}

/* ── Spec Filter List ── */
.spec-filter-section { border-top: 1px solid var(--theme-border, rgba(0,0,0,0.06)); padding-top: 0.3rem; }
.spec-list {
  list-style: none; padding: 0; margin: 0.25rem 0 0; max-height: 210px;
  overflow-y: auto; scrollbar-width: thin;
}
.spec-item a {
  display: flex; align-items: center; gap: 0.4rem;
  padding: 0.3rem 0.5rem; border-radius: 6px;
  font-size: 0.8rem; color: var(--theme-text-muted); text-decoration: none;
  transition: all 0.15s ease;
}
.spec-item a:hover { background: rgba(37,99,235,0.06); color: var(--color-primary); }
.spec-item.active a {
  background: rgba(37,99,235,0.1); color: var(--color-primary); font-weight: 600;
}
.spec-check {
  display: inline-flex; align-items: center; justify-content: center;
  width: 16px; height: 16px; border-radius: 4px; flex-shrink: 0;
  border: 1.5px solid var(--theme-text-muted); font-size: 0.65rem; color: white;
  transition: all 0.15s ease;
}
.spec-item.active .spec-check {
  background: var(--color-primary); border-color: var(--color-primary);
}
.spec-label { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.spec-item .cat-count { font-size: 0.7rem; margin-left: auto; }

.page-hero {
  background: var(--gradient-dark); color: var(--color-white);
  padding: 10rem 0 4rem; text-align: center; position: relative; overflow: hidden;
}
.page-hero::before {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse at 50% 0%, rgba(37,99,235,0.15) 0%, transparent 60%);
}
.page-hero::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(37,99,235,0.3), transparent);
}
.page-hero h1 { -webkit-text-fill-color: white; margin-bottom: 0.5rem; }
.page-hero-sub { color: rgba(255,255,255,0.55); font-size: 1.05rem; max-width: 600px; margin: 0 auto; font-weight: 400; }

/* ── Page Hero Compact (account, checkout etc.) ── */
.page-hero-sm {
  background: var(--gradient-dark); color: var(--color-white);
  padding: 7.5rem 0 1.5rem; position: relative; overflow: hidden;
}
.page-hero-sm::before {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse at 50% 0%, rgba(37,99,235,0.12) 0%, transparent 60%);
}
.page-hero-sm::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(37,99,235,0.3), transparent);
}
.page-hero-sm h1 { -webkit-text-fill-color: white; font-size: clamp(1.5rem,3vw,2.25rem); margin: 0; }

/* ── Catalog Layout ── */
.catalog-layout { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: 2rem; align-items: start; overflow: hidden; }
.catalog-main { min-width: 0; overflow: hidden; }
.catalog-toolbar { display: flex; flex-direction: column; gap: 1rem; margin-bottom: 2rem; }
.catalog-top-row { display: flex; gap: 1rem; align-items: stretch; }
.catalog-search {
  display: flex; align-items: center; gap: 0.75rem;
  background: var(--theme-surface); border: 1.5px solid var(--theme-border);
  border-radius: var(--radius-lg); padding: 0.85rem 1.25rem;
  transition: all 0.35s cubic-bezier(0.4,0,0.2,1); flex: 1;
  box-shadow: var(--theme-shadow);
}
.catalog-search:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(37,99,235,0.1), 0 4px 16px rgba(37,99,235,0.08);
  transform: translateY(-1px);
}
.catalog-search svg { color: var(--theme-text-muted); flex-shrink: 0; transition: color 0.3s ease; }
.catalog-search:focus-within svg { color: var(--color-primary); }
.catalog-search input { flex: 1; border: none; background: transparent; font-size: 0.95rem; color: var(--theme-text); outline: none; font-family: inherit; }
.catalog-search input::placeholder { color: var(--theme-text-faint); }
.catalog-sort select {
  appearance: none; background: var(--theme-surface);
  border: 1.5px solid var(--theme-border); border-radius: var(--radius-lg);
  padding: 0.85rem 2.5rem 0.85rem 1rem; font-size: 0.88rem;
  font-family: inherit; color: var(--theme-text); cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23999' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 0.85rem center;
  transition: all 0.3s ease; white-space: nowrap;
  box-shadow: var(--theme-shadow);
}
.catalog-sort select:hover { border-color: var(--color-primary); }
.catalog-sort select:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(37,99,235,0.1); }
@media (max-width: 640px) {
  .catalog-top-row { flex-direction: column; }
  .catalog-grid { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 1rem; }
  .product-card:hover { transform: translateY(-3px); }
  .product-img-placeholder .placeholder-icon { width: 64px; height: 64px; border-radius: 18px; }
  .product-img-placeholder .placeholder-icon svg { width: 28px; height: 28px; }
  .btn-card-cart { padding: 0.5rem 0.85rem; font-size: 0.72rem; }
}

/* ── Stock Filter Toggle ── */
.catalog-filter-row { display: flex; align-items: center; margin-top: 0.5rem; }
.stock-toggle {
  display: inline-flex; align-items: center; gap: 0.6rem; cursor: pointer;
  font-size: 0.82rem; color: var(--theme-text-muted); user-select: none;
}
.catalog-filter-row .stock-toggle input { display: none; }
.stock-toggle-slider {
  position: relative; width: 36px; height: 20px; border-radius: 10px;
  background: var(--theme-border); transition: background 0.25s ease; flex-shrink: 0;
}
.stock-toggle-slider::after {
  content: ''; position: absolute; top: 2px; left: 2px;
  width: 16px; height: 16px; border-radius: 50%;
  background: white; box-shadow: 0 1px 3px rgba(0,0,0,0.2);
  transition: transform 0.25s ease;
}
.stock-toggle input:checked + .stock-toggle-slider { background: var(--color-primary); }
.stock-toggle input:checked + .stock-toggle-slider::after { transform: translateX(16px); }
.stock-toggle-label { transition: color 0.2s ease; }
.stock-toggle:hover .stock-toggle-label { color: var(--theme-text); }

/* -- Campaign Toggle -- */
.campaign-toggle input:checked + .campaign-slider { background: #ef4444; }
.catalog-filter-row { gap: 1.5rem; flex-wrap: wrap; }
/* -- Campaign Toggle -- */
.campaign-toggle input:checked + .campaign-slider { background: #ef4444; }
.catalog-filter-row { gap: 1.5rem; flex-wrap: wrap; }

/* -- Search Facets (n11-style category chips) -- */
.search-facets {
  margin-bottom: 1rem; padding: 0.85rem 1rem; border-radius: var(--radius);
  background: var(--theme-surface); border: 1px solid var(--theme-border);
}
.facet-info {
  display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap;
  font-size: 0.85rem; color: var(--theme-text-muted); margin-bottom: 0.6rem;
}
.facet-info svg { flex-shrink: 0; opacity: 0.5; }
.facet-correction {
  font-size: 0.78rem; color: var(--color-primary); font-style: italic;
}
.facet-chips {
  display: flex; gap: 0.4rem; flex-wrap: wrap; overflow-x: auto;
  -webkit-overflow-scrolling: touch; scrollbar-width: none;
}
.facet-chips::-webkit-scrollbar { display: none; }
.facet-chip {
  display: inline-flex; align-items: center; gap: 0.35rem;
  padding: 0.38rem 0.75rem; border-radius: 20px; font-size: 0.78rem;
  font-weight: 500; white-space: nowrap; text-decoration: none;
  color: var(--theme-text-muted); background: var(--theme-bg);
  border: 1px solid var(--theme-border);
  transition: all 0.2s ease; cursor: pointer;
}
.facet-chip:hover {
  color: var(--color-primary); border-color: var(--color-primary);
  background: rgba(37,99,235,0.06);
}
.facet-chip.active {
  color: #fff; background: var(--color-primary);
  border-color: var(--color-primary); font-weight: 600;
}
.facet-chip.active:hover { background: #1d4ed8; }
.facet-count {
  font-size: 0.7rem; font-weight: 600; opacity: 0.75;
  background: rgba(0,0,0,0.08); padding: 0.1rem 0.35rem; border-radius: 10px;
}
.facet-chip.active .facet-count {
  background: rgba(255,255,255,0.25); color: #fff; opacity: 1;
}
@media (max-width: 640px) {
  .search-facets { padding: 0.65rem 0.75rem; }
  .facet-chips { gap: 0.3rem; }
  .facet-chip { padding: 0.3rem 0.6rem; font-size: 0.72rem; }
}

/* ── Category Sidebar ── */
.cat-sidebar {
  background: var(--theme-surface); border: 1px solid var(--theme-border);
  border-radius: var(--radius); padding: 1.25rem; position: sticky; top: 100px;
}
.cat-sidebar-title {
  font-size: 0.8rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.06em; color: var(--theme-text-muted);
  margin-bottom: 0.75rem; padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--theme-border);
}
.cat-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 2px; }
.cat-item a {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.55rem 0.75rem; border-radius: 0.5rem;
  font-size: 0.85rem; font-weight: 500; color: var(--theme-text);
  text-decoration: none; transition: all var(--transition);
}
.cat-item a:hover { background: var(--color-primary-light); color: var(--color-primary); }
.cat-item.active a {
  background: var(--gradient-primary); color: white;
  box-shadow: 0 2px 8px rgba(37,99,235,0.25); font-weight: 600;
}
.cat-count {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 22px; height: 22px; font-size: 0.7rem; font-weight: 600;
  border-radius: 999px; background: var(--theme-border);
  color: var(--theme-text-muted); padding: 0 6px;
}
.cat-item.active .cat-count { background: rgba(255,255,255,0.25); color: white; }
.cat-item a:hover .cat-count { background: var(--color-primary); color: white; }
.cat-sub-list { list-style:none; margin:0; padding:0 0 0 0.75rem; max-height:0; overflow:hidden; transition:max-height 0.35s ease, opacity 0.3s ease; opacity:0; }
.cat-sub-list.open { max-height:600px; opacity:1; }
.cat-sub-item a { padding:0.4rem 0.75rem; font-size:0.8rem; font-weight:400; }
.cat-sub-item.active a { background:var(--color-primary); color:#fff; font-weight:600; }
.cat-sub-item a:hover { background:var(--color-primary-light); color:var(--color-primary); }
.cat-toggle { display:inline-flex; align-items:center; justify-content:center; width:24px; height:24px; border:none; background:transparent; cursor:pointer; color:var(--theme-text-muted); border-radius:4px; transition:all 0.2s ease; flex-shrink:0; padding:0; }
.cat-toggle:hover { background:var(--color-primary-light); color:var(--color-primary); }
.cat-toggle svg { transition:transform 0.3s ease; }
.cat-toggle.open svg { transform:rotate(180deg); }
.cat-item.active .cat-toggle { color:white; }
.cat-item.active .cat-toggle:hover { background:rgba(255,255,255,0.2); }

/* -- Campaign Sidebar Item -- */
.cat-campaign a {
  background: linear-gradient(135deg, rgba(245,158,11,0.1), rgba(239,68,68,0.1)) !important;
  border: 1px solid rgba(239,68,68,0.2);
  font-weight: 700 !important;
}
.cat-campaign a:hover {
  background: linear-gradient(135deg, rgba(245,158,11,0.2), rgba(239,68,68,0.2)) !important;
  color: #ef4444 !important;
}
.cat-campaign.active a {
  background: linear-gradient(135deg, #f59e0b, #ef4444) !important;
  color: white !important;
  border-color: transparent;
}
.cat-campaign.active .cat-count { background: rgba(255,255,255,0.25); color: white; }
/* -- Campaign Sidebar Item -- */
.cat-campaign a {
  background: linear-gradient(135deg, rgba(245,158,11,0.1), rgba(239,68,68,0.1)) !important;
  border: 1px solid rgba(239,68,68,0.2);
  font-weight: 700 !important;
}
.cat-campaign a:hover {
  background: linear-gradient(135deg, rgba(245,158,11,0.2), rgba(239,68,68,0.2)) !important;
  color: #ef4444 !important;
}
.cat-campaign.active a {
  background: linear-gradient(135deg, #f59e0b, #ef4444) !important;
  color: white !important;
  border-color: transparent;
}
.cat-campaign.active .cat-count { background: rgba(255,255,255,0.25); color: white; }
.cat-item a { position:relative; }
.mobile-cat-toggle {
  display: none; width: 100%; padding: 0.75rem 1rem;
  background: var(--theme-surface); border: 1px solid var(--theme-border);
  border-radius: var(--radius); font-size: 0.9rem; font-weight: 600;
  color: var(--theme-text); cursor: pointer; font-family: inherit;
  text-align: left;
}
.mobile-cat-toggle svg { float: right; transition: transform var(--transition); }
.mobile-cat-toggle.open svg { transform: rotate(180deg); }
@media (max-width: 960px) {
  .catalog-layout { grid-template-columns: 1fr; }
  .cat-sidebar { position: static; }
  .mobile-cat-toggle { display: flex; align-items: center; justify-content: space-between; margin-bottom: 0.5rem; }
  .cat-sidebar-inner { display: none; }
  .cat-sidebar-inner.open { display: block; }
  .shop-search-header { padding: 5.5rem 0 1rem; }
  .shop-search-bar { margin: 0 1rem; }
  .search-result-info { flex-direction: column; align-items: flex-start; gap: 0.5rem; }
  .catalog-filter-bar { flex-direction: column; align-items: flex-start; gap: 0.5rem; }
}
@media (max-width: 768px) {
  .cat-sidebar { display: none !important; }
  .page-hero { padding: 6.5rem 0 1.5rem; }
  .page-hero h1 { font-size: 1.35rem; margin-bottom: 0.25rem; }
  .page-hero-sub { font-size: 0.82rem; margin-top: 0.15rem; }
  .catalog-toolbar .catalog-search { display: none; }
  .shop-breadcrumb { font-size: 0.72rem; }
}

/*  Product Grid  */
.catalog-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.5rem;
}
.product-card {
  background: var(--theme-surface);
  border: 1px solid var(--theme-border);
  border-radius: 16px; overflow: hidden;
  transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  display: flex; flex-direction: column; text-decoration: none; color: inherit;
  position: relative;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04), 0 4px 12px rgba(0,0,0,0.04);
}
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px -8px rgba(37,99,235,0.18), 0 4px 16px -4px rgba(0,0,0,0.08);
  border-color: rgba(37,99,235,0.25);
}
.product-card[data-hidden="true"] { display: none; }
.product-img {
  position: relative; aspect-ratio: 4/3; overflow: hidden;
  background: var(--theme-bg);
  display: flex; align-items: center; justify-content: center;
}
.product-img img {
  width: 100%; height: 100%; object-fit: contain; padding: 1.5rem;
  transition: transform 0.5s cubic-bezier(0.25, 0.8, 0.25, 1), opacity 0.4s ease;
  filter: drop-shadow(0 4px 12px rgba(0,0,0,0.08));
}
.product-img img.lazy-img:not(.loaded) {
  opacity: 0;
}
.product-img img.loaded {
  opacity: 1;
}
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
.product-img:has(.lazy-img:not(.loaded))::before {
  content: '';
  position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(90deg, var(--theme-bg) 25%, rgba(37,99,235,0.06) 50%, var(--theme-bg) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
}
.product-card:hover .product-img img { transform: scale(1.05); }
.product-img-placeholder {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 1rem; width: 100%; height: 100%; padding: 2rem;
  background: linear-gradient(135deg, #eef2ff 0%, #e0e7ff 50%, #ede9fe 100%);
}
[data-theme="night"] .product-img-placeholder {
  background: linear-gradient(135deg, rgba(37,99,235,0.08) 0%, rgba(99,102,241,0.06) 50%, rgba(139,92,246,0.04) 100%);
}
.product-img-placeholder .placeholder-icon {
  width: 80px; height: 80px; border-radius: 24px;
  background: rgba(255,255,255,0.95);
  border: 2px solid rgba(99,102,241,0.12);
  display: flex; align-items: center; justify-content: center;
  transition: all 0.4s cubic-bezier(0.25,0.8,0.25,1);
  box-shadow: 0 8px 24px rgba(99,102,241,0.1);
}
[data-theme="night"] .product-img-placeholder .placeholder-icon {
  background: rgba(30,41,59,0.8);
  border-color: rgba(99,102,241,0.2);
}
.product-card:hover .placeholder-icon {
  transform: scale(1.08) rotate(-2deg);
  box-shadow: 0 12px 32px rgba(99,102,241,0.18);
}
.product-img-placeholder .placeholder-icon svg { opacity: 0.55; }
.product-img-placeholder .placeholder-text {
  font-size: 0.72rem; font-weight: 700; color: var(--color-primary);
  opacity: 0.55; text-transform: uppercase; letter-spacing: 0.12em;
}
.product-cat-badge {
  position: absolute; top: 0.65rem; left: 0.65rem; z-index: 3;
  background: var(--color-primary);
  color: white; font-size: 0.66rem; font-weight: 700;
  padding: 0.3rem 0.75rem; border-radius: 8px;
  letter-spacing: 0.02em;
  box-shadow: 0 2px 8px rgba(37,99,235,0.35);
}
.product-stock-badge {
  position: absolute; top: 0.65rem; right: 0.65rem; z-index: 3;
  font-size: 0.66rem; font-weight: 700; padding: 0.3rem 0.7rem;
  border-radius: 8px;
}
.product-stock-badge.in-stock {
  background: #059669; color: white;
  box-shadow: 0 2px 8px rgba(5,150,105,0.3);
}
.product-stock-badge.out-stock,
.product-stock-badge.out-of-stock {
  background: #dc2626; color: white;
  box-shadow: 0 2px 8px rgba(220,38,38,0.35);
}

/* -- Campaign Badge -- */
.product-campaign-badge {
  position: absolute; bottom: 0.65rem; left: 0.65rem; z-index: 3;
  background: linear-gradient(135deg, #f59e0b, #ef4444);
  color: white; font-size: 0.66rem; font-weight: 700;
  padding: 0.3rem 0.75rem; border-radius: 8px;
  letter-spacing: 0.02em;
  box-shadow: 0 2px 8px rgba(239,68,68,0.35);
  animation: campaignPulse 2s ease-in-out infinite;
}
@keyframes campaignPulse {
  0%, 100% { box-shadow: 0 2px 8px rgba(239,68,68,0.35); }
  50% { box-shadow: 0 2px 16px rgba(239,68,68,0.55); }
}
/* -- Campaign Badge -- */
.product-campaign-badge {
  position: absolute; bottom: 0.65rem; left: 0.65rem; z-index: 3;
  background: linear-gradient(135deg, #f59e0b, #ef4444);
  color: white; font-size: 0.66rem; font-weight: 700;
  padding: 0.3rem 0.75rem; border-radius: 8px;
  letter-spacing: 0.02em;
  box-shadow: 0 2px 8px rgba(239,68,68,0.35);
  animation: campaignPulse 2s ease-in-out infinite;
}
@keyframes campaignPulse {
  0%, 100% { box-shadow: 0 2px 8px rgba(239,68,68,0.35); }
  50% { box-shadow: 0 2px 16px rgba(239,68,68,0.55); }
}
.product-info {
  padding: 1rem 1.15rem 1.15rem; flex: 1;
  display: flex; flex-direction: column; gap: 0.4rem;
}
.product-brand {
  font-size: 0.72rem; font-weight: 700; color: var(--color-primary);
  text-transform: uppercase; letter-spacing: 0.06em;
}
.product-name {
  font-size: 0.92rem; font-weight: 700; line-height: 1.35;
  color: var(--theme-text);
  display: -webkit-box; -webkit-line-clamp: 2;
  -webkit-box-orient: vertical; overflow: hidden; margin: 0;
  transition: color 0.3s ease;
}
.product-card:hover .product-name { color: var(--color-primary); }
.product-meta { display: flex; align-items: center; gap: 0.5rem; margin-top: 0.15rem; }
.product-code {
  font-size: 0.72rem; color: var(--theme-text-muted);
  font-family: 'JetBrains Mono', 'Fira Code', ui-monospace, monospace;
  background: var(--theme-bg); padding: 0.18rem 0.55rem; border-radius: 6px;
  border: 1px solid var(--theme-border-light);
}
.product-stock-info {
  font-size: 0.7rem; font-weight: 500; margin-left: auto;
}
.product-stock-info.in-stock { color: #10b981; }
.product-stock-info.out-of-stock { color: #ef4444; }
.product-price-row {
  display: flex; align-items: flex-end; justify-content: space-between;
  margin-top: auto; padding-top: 0.85rem;
  border-top: 1px solid var(--theme-border-light); gap: 0.5rem;
}
.product-price {
  font-size: 1.15rem; font-weight: 800; color: var(--color-primary-dark);
  letter-spacing: -0.02em; line-height: 1.2;
}
.product-price small {
  display: block; font-size: 0.62rem; font-weight: 500;
  color: var(--theme-text-faint); margin-top: 0.2rem; letter-spacing: 0;
}
.btn-detail-arrow {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: 12px;
  background: var(--color-primary); color: white;
  transition: all 0.3s cubic-bezier(0.25,0.8,0.25,1); flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(37,99,235,0.3);
  font-size: 1.1rem;
}
.product-card:hover .btn-detail-arrow {
  background: var(--color-primary-dark);
  transform: translateX(3px);
  box-shadow: 0 4px 16px rgba(37,99,235,0.4);
}
.btn-card-cart {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.4rem;
  padding: 0.55rem 1.1rem; border-radius: 10px; border: none; cursor: pointer;
  background: var(--color-primary); color: #fff;
  font-size: 0.78rem; font-weight: 700;
  transition: all 0.3s cubic-bezier(0.25,0.8,0.25,1);
  flex-shrink: 0; white-space: nowrap;
  box-shadow: 0 3px 12px rgba(37,99,235,0.3);
}
.btn-card-cart:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(37,99,235,0.4);
}
.btn-card-cart:active { transform: scale(0.96); }
.btn-card-cart.disabled {
  background: var(--theme-bg); color: var(--theme-text-muted);
  border: 1px solid var(--theme-border);
  cursor: not-allowed; pointer-events: none; box-shadow: none;
}
#catalogContent { transition: opacity 0.25s ease, transform 0.25s ease; }
.catalog-empty, .catalog-no-results { text-align: center; padding: 5rem 2rem; color: var(--theme-text-muted); }
#catalogContent { transition: opacity 0.25s ease, transform 0.25s ease; }
.catalog-empty svg, .catalog-no-results svg { margin-bottom: 1.25rem; opacity: 0.25; }
.catalog-empty p, .catalog-no-results p { font-size: 1.1rem; margin-bottom: 1.5rem; }
.catalog-cta-row { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
@media (max-width: 768px) {
  .catalog-grid { grid-template-columns: repeat(auto-fill, minmax(155px, 1fr)); gap: 0.75rem; }
  .product-info { padding: 0.75rem 0.85rem; }
  .product-name { font-size: 0.78rem; }
  .product-price { font-size: 1rem; }
  .product-cat-badge { font-size: 0.55rem; padding: 0.2rem 0.5rem; }
  .btn-card-cart { font-size: 0.7rem; padding: 0.4rem 0.65rem; }
  .product-card:hover { transform: translateY(-4px); }
}
@media (min-width: 961px) and (max-width: 1100px) {
  .catalog-layout { grid-template-columns: 220px minmax(0, 1fr); }
}

/* ── Product Detail ── */
.back-link { display: inline-flex; align-items: center; gap: 0.5rem; color: var(--theme-text-muted); font-weight: 500; font-size: 0.9rem; margin-bottom: 2rem; text-decoration: none; transition: all var(--transition); }
.back-link:hover { color: var(--color-primary); transform: translateX(-4px); }
.pd-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: start; }
.pd-gallery { position: relative; }
.pd-main-img {
  width: 100%; aspect-ratio: 1; object-fit: contain; padding: 2rem;
  border-radius: var(--radius); background: var(--theme-surface);
  border: 1px solid var(--theme-border); cursor: zoom-in;
}
.pd-thumbs { display: flex; gap: 8px; margin-top: 10px; overflow-x: auto; padding-bottom: 4px; }
.pd-thumb {
  width: 64px; height: 64px; object-fit: cover; border-radius: 6px;
  border: 2px solid var(--theme-border); cursor: pointer; flex-shrink: 0;
  transition: border-color 0.2s;
}
.pd-thumb.active, .pd-thumb:hover { border-color: var(--color-primary); }
.pd-image {
  position: relative; border-radius: var(--radius); overflow: hidden;
  background: var(--theme-surface); border: 1px solid var(--theme-border);
  aspect-ratio: 1; display: flex; align-items: center; justify-content: center;
}
.pd-image img { width: 100%; height: 100%; object-fit: contain; padding: 2rem; }
.pd-image-placeholder {
  display: flex; flex-direction: column; align-items: center; gap: 1rem;
  color: var(--theme-text-muted); font-size: 1.1rem; font-weight: 500;
}
.pd-cat-badge {
  position: absolute; top: 1rem; left: 1rem;
  background: var(--gradient-primary); color: white;
  font-size: 0.8rem; font-weight: 600; padding: 0.35rem 0.8rem;
  border-radius: 999px; text-transform: uppercase; letter-spacing: 0.02em;
}
.pd-info { display: flex; flex-direction: column; gap: 1.25rem; }
.pd-brand {
  display: inline-block; background: var(--theme-badge-bg);
  color: var(--color-primary); padding: 3px 14px; border-radius: 20px;
  font-size: 0.82rem; font-weight: 600; letter-spacing: 0.02em;
}
.pd-title { font-size: clamp(1.25rem,2.5vw,1.75rem); font-weight: 700; line-height: 1.35; color: var(--theme-text); margin: 0; }
/* -- Product Detail Campaign Banner -- */
.pd-campaign-banner {
  display: inline-flex; align-items: center; gap: 0.4rem;
  background: linear-gradient(135deg, #f59e0b, #ef4444);
  color: white; font-size: 0.85rem; font-weight: 700;
  padding: 0.5rem 1.2rem; border-radius: 8px;
  margin-bottom: 0.5rem;
  box-shadow: 0 2px 8px rgba(239,68,68,0.3);
}
.pd-price-block {
  display: flex; align-items: baseline; gap: 0.75rem;
  padding: 1.25rem; background: var(--theme-surface);
  border: 1px solid var(--theme-border); border-radius: var(--radius);
}
.pd-price { font-size: 2rem; font-weight: 800; color: var(--color-primary); letter-spacing: -0.02em; }
.pd-price-tax { font-size: 0.9rem; color: var(--theme-text-muted); font-weight: 500; }
.pd-price-note { font-size: 0.8rem; color: var(--theme-text-muted); margin: -0.5rem 0 0; line-height: 1.5; }
/* -- Campaign Price Styles -- */
.original-price {
  color: var(--theme-text-muted); font-size: 0.82em; font-weight: 500;
  text-decoration: line-through; text-decoration-color: #ef4444;
  opacity: 0.7; margin-right: 0.25rem;
}
.campaign-price { color: #ef4444; font-weight: 800; }
.product-price .original-price { font-size: 0.78rem; display: block; line-height: 1.2; margin-bottom: 0.15rem; }
.product-price .campaign-price { font-size: 1.15rem; }
.pd-price .original-price { font-size: 1.1rem; display: block; line-height: 1.3; margin-bottom: 0.25rem; }
.pd-price .campaign-price { font-size: 2rem; color: #ef4444; }

/*  Campaign Slider  */
.campaign-slider-section {
  padding: 0.75rem 0 0; margin-top: 5rem; background: var(--theme-bg);
}
.campaign-slider-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 0.5rem; padding: 0 0.25rem;
}
.campaign-slider-title {
  display: flex; align-items: center; gap: 0.5rem;
}
.campaign-slider-title h2 {
  font-size: 1.1rem; font-weight: 700; margin: 0; color: var(--theme-text);
}
.campaign-fire-icon { font-size: 1.2rem; }
.campaign-view-all {
  display: inline-flex; align-items: center; gap: 0.25rem;
  font-size: 0.85rem; font-weight: 600; color: var(--color-primary);
  text-decoration: none; transition: gap 0.2s;
}
.campaign-view-all:hover { gap: 0.5rem; }

.campaign-slider {
  position: relative; display: flex; align-items: center; gap: 0.5rem;
}
.campaign-slider-track-wrapper {
  overflow: hidden; flex: 1; border-radius: var(--radius);
}
.campaign-slider-track {
  display: flex; gap: 1rem;
  transition: transform 0.45s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.campaign-slide {
  flex: 0 0 calc(25% - 0.75rem);
  min-width: 200px;
  background: var(--theme-surface);
  border: 1px solid var(--theme-border);
  border-radius: var(--radius);
  overflow: hidden; text-decoration: none; color: var(--theme-text);
  transition: transform 0.25s, box-shadow 0.25s;
  display: flex; flex-direction: column;
}
.campaign-slide:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
  border-color: var(--color-primary);
}
.campaign-slide-img {
  position: relative; aspect-ratio: 3/2; overflow: hidden;
  background: var(--theme-bg); display: flex; align-items: center; justify-content: center;
}
.campaign-slide-img img {
  width: 100%; height: 100%; object-fit: contain; padding: 0.5rem;
  transition: transform 0.3s;
}
.campaign-slide:hover .campaign-slide-img img { transform: scale(1.06); }
.campaign-slide-badge {
  position: absolute; top: 0.5rem; left: 0.5rem;
  background: linear-gradient(135deg, #ef4444, #dc2626);
  color: white; font-size: 0.7rem; font-weight: 700;
  padding: 0.25rem 0.6rem; border-radius: 6px;
  text-transform: uppercase; letter-spacing: 0.02em;
  box-shadow: 0 2px 6px rgba(239,68,68,0.4);
}
.campaign-slide-discount {
  position: absolute; top: 0.5rem; right: 0.5rem;
  background: #fbbf24; color: #1a1a1a; font-size: 0.75rem; font-weight: 800;
  padding: 0.2rem 0.5rem; border-radius: 6px;
}
.campaign-slide-info {
  padding: 0.5rem 0.7rem 0.6rem; display: flex; flex-direction: column; gap: 0.2rem; flex: 1;
}
.campaign-slide-brand {
  font-size: 0.7rem; font-weight: 600; color: var(--color-primary);
  text-transform: uppercase; letter-spacing: 0.04em;
}
.campaign-slide-name {
  font-size: 0.82rem; font-weight: 600; line-height: 1.35;
  color: var(--theme-text); margin: 0;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.campaign-slide-price {
  margin-top: auto; padding-top: 0.25rem;
  font-size: 0.95rem; font-weight: 800; color: var(--color-primary);
}
.campaign-slide-price small {
  font-size: 0.65rem; font-weight: 500; color: var(--theme-text-muted);
  display: block; margin-top: 0.1rem;
}
.campaign-slide-price .original-price { font-size: 0.75rem; display: block; margin-bottom: 0.1rem; }
.campaign-slide-price .campaign-price { font-size: 1.1rem; color: #ef4444; }

/* Slider navigation buttons */
.campaign-slider-btn {
  flex-shrink: 0; width: 36px; height: 36px;
  border-radius: 50%; border: 1px solid var(--theme-border);
  background: var(--theme-surface); color: var(--theme-text);
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: all 0.2s; z-index: 2;
}
.campaign-slider-btn:hover {
  background: var(--color-primary); color: white; border-color: var(--color-primary);
}

/* Dots */
.campaign-slider-dots {
  display: flex; justify-content: center; gap: 0.4rem;
  margin-top: 0.75rem; padding-bottom: 0.25rem;
}
.campaign-dot {
  width: 8px; height: 8px; border-radius: 50%;
  border: none; background: var(--theme-border); cursor: pointer;
  transition: all 0.25s; padding: 0;
}
.campaign-dot.active {
  background: var(--color-primary); width: 24px; border-radius: 4px;
}

/* Responsive */
@media (max-width: 1279px) {
  .campaign-slide { flex: 0 0 calc(33.333% - 0.67rem); }
}
@media (max-width: 959px) {
  .campaign-slide { flex: 0 0 calc(50% - 0.5rem); }
  .campaign-slider-btn { display: none; }
}
@media (max-width: 639px) {
  .campaign-slide { flex: 0 0 100%; min-width: 0; }
  .campaign-slider-title h2 { font-size: 1.1rem; }
  .campaign-view-all { font-size: 0.78rem; }
}
/*  /Campaign Slider  */

.pd-campaign-discount {
  display: inline-flex; align-items: center; gap: 0.3rem;
  background: #ef4444; color: white; font-size: 0.85rem; font-weight: 700;
  padding: 0.35rem 0.85rem; border-radius: 8px;
  box-shadow: 0 2px 8px rgba(239,68,68,0.3);
}
.pd-stock { display: flex; align-items: center; gap: 0.5rem; font-size: 0.95rem; font-weight: 600; }
.pd-stock-dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.pd-stock-dot.green { background: #10b981; }
.pd-stock-dot.red { background: #ef4444; }
.pd-stock-dot.orange { background: #f59e0b; }
.pd-specs { background: var(--theme-surface); border: 1px solid var(--theme-border); border-radius: var(--radius); overflow: hidden; }
.pd-specs h3 { font-size: 0.95rem; font-weight: 600; padding: 1rem 1.25rem; margin: 0; border-bottom: 1px solid var(--theme-border); color: var(--theme-text); }
.pd-specs table { width: 100%; border-collapse: collapse; }
.pd-specs td { padding: 0.75rem 1.25rem; border-bottom: 1px solid var(--theme-border); font-size: 0.9rem; }
.pd-specs tr:last-child td { border-bottom: none; }
.pd-specs td:first-child { font-weight: 600; color: var(--theme-text); width: 40%; white-space: nowrap; }
.pd-specs td:last-child { color: var(--theme-text-muted); }
.pd-specs code { font-family: monospace; font-size: 0.85rem; background: var(--theme-bg); padding: 0.15rem 0.5rem; border-radius: 4px; }
.pd-stock-badge { display: inline-flex; align-items: center; gap: 0.3rem; font-weight: 600; font-size: 0.85rem; }
.pd-stock-badge.in-stock { color: #16a34a; }
.pd-stock-badge.in-stock::before { content: ''; width: 8px; height: 8px; border-radius: 50%; background: #16a34a; display: inline-block; }
.pd-stock-badge.out-stock { color: #ef4444; }
.pd-stock-badge.out-stock::before { content: ''; width: 8px; height: 8px; border-radius: 50%; background: #ef4444; display: inline-block; }
.pd-actions { display: flex; gap: 1rem; flex-wrap: wrap; }
.pd-actions .btn { flex: 1; min-width: 180px; }
.pd-related { margin-top: 4rem; padding-top: 3rem; border-top: 1px solid var(--theme-border); }
.pd-related h3 { font-size: 1.5rem; font-weight: 700; margin-bottom: 1.5rem; color: var(--theme-text); }
@media (max-width: 768px) {
  .pd-layout { grid-template-columns: 1fr; gap: 1.5rem; }
  .pd-image { aspect-ratio: 4/3; }
  .pd-price { font-size: 1.5rem; }
  .pd-actions { flex-direction: column; }
  .pd-actions .btn, .btn-whatsapp-lg { min-width: 100%; }
  .page-hero { padding: 8rem 0 3rem; }
  .page-hero-sm { padding: 6.5rem 0 1.25rem; }
}

/* ── Pagination ── */
.pagination { display: flex; align-items: center; justify-content: center; gap: 0.5rem; margin-top: 3rem; }
.pagination a, .pagination span {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 40px; height: 40px; border-radius: var(--radius);
  font-size: 0.9rem; font-weight: 600; text-decoration: none;
  border: 1px solid var(--theme-border); color: var(--theme-text);
  background: var(--theme-surface); transition: all var(--transition);
}
.pagination a:hover { border-color: var(--color-primary); color: var(--color-primary); transform: translateY(-2px); }
.pagination .active { background: var(--gradient-primary); color: white; border-color: transparent; box-shadow: 0 2px 8px rgba(37,99,235,0.25); }
.pagination .disabled { opacity: 0.4; pointer-events: none; }
.pagination-info { text-align: center; margin-top: 1rem; font-size: 0.85rem; color: var(--theme-text-muted); }

/* Infinite Scroll Sentinel */
.load-more-sentinel { display: flex; justify-content: center; padding: 2.5rem 1rem; }
.load-more-spinner { text-align: center; }
.load-more-spinner .catalog-spinner { width: 32px; height: 32px; margin: 0 auto; border: 3px solid var(--theme-border); border-top-color: var(--color-primary); border-radius: 50%; animation: spin 0.7s linear infinite; }
.load-more-spinner p { margin-top: 0.75rem; font-size: 0.85rem; color: var(--theme-text-muted); font-weight: 500; }
/* ── PC Builder Wizard ── */
.wizard-layout { display: grid; grid-template-columns: 1fr 340px; gap: 2rem; align-items: start; }
.wizard-main { display: flex; flex-direction: column; gap: 0.75rem; }

/* Steps */
.wizard-step { background: var(--theme-surface); border: 1px solid var(--theme-border); border-radius: var(--radius); overflow: hidden; transition: all var(--transition); }
.wizard-step.done { border-color: var(--color-success); }
.wizard-step.open { border-color: var(--color-primary); box-shadow: 0 0 0 3px var(--color-primary-glow); }
.wizard-step.optional .step-header { opacity: 0.8; }
.step-header { display: flex; align-items: center; gap: 1rem; padding: 1rem 1.25rem; cursor: pointer; user-select: none; transition: background var(--transition); }
.step-header:hover { background: rgba(37,99,235,0.04); }
.step-num {
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--theme-border); color: var(--theme-text-muted);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem; font-weight: 700; flex-shrink: 0;
  transition: all var(--transition);
}
.wizard-step.done .step-num { background: var(--color-success); color: white; }
.wizard-step.open .step-num { background: var(--gradient-primary); color: white; }
.step-title-area { flex: 1; min-width: 0; }
.step-title { font-weight: 600; font-size: 0.95rem; color: var(--theme-text); }
.step-optional { font-size: 0.7rem; font-weight: 500; color: var(--theme-text-muted); background: var(--theme-border); padding: 0.15rem 0.5rem; border-radius: 999px; margin-left: 0.5rem; vertical-align: middle; }
.step-selected-name { display: block; font-size: 0.78rem; color: var(--theme-text-muted); margin-top: 0.15rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.step-status { flex-shrink: 0; }
.step-chevron { transition: transform var(--transition); color: var(--theme-text-muted); }
.wizard-step.open .step-chevron { transform: rotate(180deg); }
.step-check-icon { display: inline-flex; align-items: center; justify-content: center; width: 28px; height: 28px; border-radius: 50%; background: var(--color-success); color: white; font-size: 0.85rem; font-weight: 700; }
.step-body { display: none; padding: 0 1.25rem 1.25rem; }

/* Sub-Selection Buttons */
.sub-select { margin-bottom: 1rem; }
.sub-label { font-size: 0.85rem; font-weight: 600; color: var(--theme-text-muted); margin-bottom: 0.75rem; }
.sub-buttons { display: flex; gap: 0.75rem; flex-wrap: wrap; }
.sub-btn {
  flex: 1; min-width: 140px; padding: 1.25rem 1rem;
  background: var(--theme-bg); border: 2px solid var(--theme-border);
  border-radius: var(--radius); cursor: pointer;
  text-align: center; transition: all var(--transition); font-family: inherit;
}
.sub-btn:hover { border-color: var(--color-primary); background: var(--color-primary-light); transform: translateY(-2px); box-shadow: 0 4px 12px rgba(37,99,235,0.15); }
.sub-btn strong { display: block; font-size: 1.1rem; font-weight: 700; color: var(--theme-text); margin-bottom: 0.25rem; }
.sub-btn small { font-size: 0.78rem; color: var(--theme-text-muted); }

/* Step Search */
.step-search { margin-bottom: 1rem; }
.step-search input {
  width: 100%; padding: 0.6rem 1rem; font-size: 0.9rem; font-family: inherit;
  background: var(--theme-bg); border: 1px solid var(--theme-border);
  border-radius: var(--radius); color: var(--theme-text); outline: none;
  transition: border-color var(--transition);
}
.step-search input:focus { border-color: var(--color-primary); }

/* Wizard Product Grid */
.wiz-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 0.75rem; max-height: 520px; overflow-y: auto; padding: 2px; }
.wiz-grid::-webkit-scrollbar { width: 6px; }
.wiz-grid::-webkit-scrollbar-track { background: transparent; }
.wiz-grid::-webkit-scrollbar-thumb { background: var(--theme-border); border-radius: 3px; }
.wiz-card {
  background: var(--theme-bg); border: 2px solid var(--theme-border);
  border-radius: 0.75rem; cursor: pointer; transition: all var(--transition);
  display: flex; flex-direction: column; overflow: hidden;
}
.wiz-card:hover { border-color: var(--color-primary); transform: translateY(-2px); box-shadow: 0 4px 12px rgba(37,99,235,0.12); }
.wiz-card.selected { border-color: var(--color-success); background: rgba(16,185,129,0.05); box-shadow: 0 0 0 3px rgba(16,185,129,0.2); }
.wiz-card-img { position: relative; aspect-ratio: 4/3; background: var(--theme-surface); display: flex; align-items: center; justify-content: center; overflow: hidden; }
.wiz-card-img img { width: 100%; height: 100%; object-fit: contain; padding: 0.5rem; }
.wiz-card-noimg { display: flex; align-items: center; justify-content: center; width: 100%; height: 100%; }
.wiz-check {
  position: absolute; top: 0.5rem; right: 0.5rem;
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--color-success); color: white;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem; font-weight: 700;
  box-shadow: 0 2px 6px rgba(16,185,129,0.4);
}
.wiz-card-info { padding: 0.75rem; display: flex; flex-direction: column; gap: 0.25rem; flex: 1; }
.wiz-brand { font-size: 0.65rem; font-weight: 700; color: var(--color-primary); text-transform: uppercase; letter-spacing: 0.04em; }
.wiz-name { font-size: 0.75rem; font-weight: 600; color: var(--theme-text); line-height: 1.35; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.wiz-card-bottom { display: flex; align-items: center; justify-content: space-between; margin-top: auto; padding-top: 0.4rem; border-top: 1px solid var(--theme-border); }
.wiz-price { font-size: 0.9rem; font-weight: 700; color: var(--color-primary); }
.wiz-price small { font-size: 0.6rem; font-weight: 400; color: var(--theme-text-muted); }
.wiz-stock { font-size: 0.6rem; font-weight: 600; padding: 0.15rem 0.4rem; border-radius: 999px; }
.wiz-stock.in-stock { background: rgba(16,185,129,0.12); color: #10b981; }
.wiz-stock.out-stock { background: rgba(239,68,68,0.12); color: #ef4444; }

/* Loading & Empty */
.step-loading { text-align: center; padding: 2rem; color: var(--theme-text-muted); font-size: 0.9rem; }
.spinner { width: 32px; height: 32px; border: 3px solid var(--theme-border); border-top-color: var(--color-primary); border-radius: 50%; animation: spin 0.8s linear infinite; margin: 0 auto 0.5rem; }
@keyframes spin { to { transform: rotate(360deg); } }
.step-empty { text-align: center; padding: 2rem; color: var(--theme-text-muted); font-size: 0.9rem; }

/* Build Summary */
.wizard-summary {
  background: var(--theme-surface); border: 1px solid var(--theme-border);
  border-radius: var(--radius); position: sticky; top: 100px;
  display: flex; flex-direction: column; overflow: hidden;
}
.summary-title {
  display: flex; align-items: center; gap: 0.5rem;
  font-size: 0.85rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.05em; color: var(--theme-text-muted);
  padding: 1rem 1.25rem; border-bottom: 1px solid var(--theme-border);
}
.summary-items { padding: 0.75rem; max-height: 400px; overflow-y: auto; flex: 1; }
.summary-empty { text-align: center; padding: 2rem 1rem; color: var(--theme-text-muted); font-size: 0.85rem; }
.summary-item {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.6rem 0.5rem; border-bottom: 1px solid var(--theme-border);
  gap: 0.5rem;
}
.summary-item:last-child { border-bottom: none; }
.summary-item-left { flex: 1; min-width: 0; }
.summary-item-step { display: block; font-size: 0.65rem; font-weight: 700; color: var(--color-primary); text-transform: uppercase; letter-spacing: 0.04em; }
.summary-item-name { display: block; font-size: 0.78rem; color: var(--theme-text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.summary-item-right { display: flex; align-items: center; gap: 0.5rem; flex-shrink: 0; }
.summary-item-price { font-size: 0.85rem; font-weight: 700; color: var(--theme-text); white-space: nowrap; }
.summary-item-remove {
  width: 22px; height: 22px; border-radius: 50%;
  border: none; background: rgba(239,68,68,0.1); color: #ef4444;
  cursor: pointer; font-size: 0.7rem; display: flex;
  align-items: center; justify-content: center; transition: all var(--transition);
}
.summary-item-remove:hover { background: #ef4444; color: white; }
.summary-footer {
  padding: 1rem 1.25rem; border-top: 1px solid var(--theme-border);
  display: flex; flex-direction: column; gap: 0.5rem;
  background: var(--theme-bg);
}
.summary-total, .summary-total-kdv { display: flex; justify-content: space-between; align-items: center; }
.summary-total span:first-child { font-size: 0.85rem; font-weight: 600; color: var(--theme-text-muted); }
.total-price { font-size: 1.3rem; font-weight: 800; color: var(--color-primary); }
.summary-total-kdv span:first-child { font-size: 0.75rem; color: var(--theme-text-muted); }
.total-price-kdv { font-size: 0.85rem; font-weight: 600; color: var(--theme-text-muted); }
.summary-cart-btn { width: 100%; justify-content: center; margin-top: 0.5rem; gap: 0.5rem; font-weight: 600; }
.summary-pdf-btn { width: 100%; justify-content: center; margin-top: 0.35rem; gap: 0.5rem; }
.summary-reset-btn { width: 100%; justify-content: center; font-size: 0.8rem; padding: 0.5rem; }

/* Sidebar link */
.cat-sidebar-link {
  display: flex; align-items: center; gap: 0.6rem;
  padding: 0.75rem; margin-top: 0.75rem;
  background: linear-gradient(135deg, rgba(37,99,235,0.08), rgba(6,182,212,0.08));
  border: 1px dashed var(--color-primary);
  border-radius: 0.5rem; text-decoration: none;
  font-size: 0.85rem; font-weight: 600; color: var(--color-primary);
  transition: all var(--transition);
}
.cat-sidebar-link:hover { background: var(--gradient-primary); color: white; border-style: solid; transform: translateY(-1px); box-shadow: 0 4px 12px rgba(37,99,235,0.25); }

@media (max-width: 960px) {
  .wizard-layout { grid-template-columns: 1fr; }
  .wizard-summary { position: static; order: -1; }
  .wiz-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
}
@media (max-width: 480px) {
  .sub-buttons { flex-direction: column; }
  .wiz-grid { grid-template-columns: 1fr 1fr; }
}

/* ── Auth Forms ── */
.auth-card { max-width: 420px; margin: 0 auto; background: var(--theme-surface); border: 1px solid var(--theme-border); border-radius: var(--radius); padding: 2rem; }
.auth-card-wide { max-width: 600px; }
.auth-error { background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.3); color: #ef4444; padding: 0.75rem 1rem; border-radius: 0.5rem; margin-bottom: 1.5rem; font-size: 0.85rem; }
.auth-form { display: flex; flex-direction: column; gap: 1rem; }
.form-group { display: flex; flex-direction: column; gap: 0.35rem; }
.form-group label { font-size: 0.82rem; font-weight: 600; color: var(--theme-text-muted); }
.form-group input, .form-group select, .form-group textarea {
  padding: 0.65rem 0.9rem; font-size: 0.9rem; font-family: inherit;
  border: 1px solid var(--theme-border); border-radius: 0.5rem;
  background: var(--theme-bg); color: var(--theme-text);
  transition: border-color var(--transition); outline: none;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--color-primary); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 480px) { .form-row { grid-template-columns: 1fr; } }
.btn-full { width: 100%; justify-content: center; padding: 0.75rem; font-size: 0.95rem; }
.auth-switch { text-align: center; margin-top: 1.5rem; font-size: 0.85rem; color: var(--theme-text-muted); }
.auth-switch a { color: var(--color-primary); font-weight: 600; text-decoration: none; }
.auth-switch a:hover { text-decoration: underline; }
.auth-type-toggle { display: flex; gap: 0.75rem; }
.auth-type-option { display: flex; align-items: center; gap: 0.4rem; cursor: pointer; padding: 0.5rem 1rem; border: 2px solid var(--theme-border); border-radius: 0.5rem; transition: all var(--transition); font-size: 0.9rem; }
.auth-type-option:has(input:checked) { border-color: var(--color-primary); background: var(--color-primary-light); }
.auth-type-option input { display: none; }\n.type-btn { padding: 0.5rem 1.25rem; border: 2px solid var(--theme-border); border-radius: 0.5rem; background: transparent; color: var(--theme-text); cursor: pointer; font-size: 0.9rem; font-family: inherit; transition: all var(--transition); }\n.type-btn:hover { border-color: var(--color-primary); }\n.type-btn.active { border-color: var(--color-primary); background: var(--color-primary-light); color: var(--color-primary); font-weight: 600; }

/* ── Cart Icon in Header ── */
.header-cart { position: relative; display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 50%; background: rgba(255,255,255,0.1); color: white; text-decoration: none; transition: all var(--transition); }
.header-cart:hover { background: rgba(255,255,255,0.2); transform: translateY(-1px); }
.header-cart svg { width: 20px; height: 20px; }
.cart-badge { position: absolute; top: -2px; right: -4px; background: #ef4444; color: white; font-size: 0.6rem; font-weight: 700; min-width: 17px; height: 17px; border-radius: 999px; display: flex; align-items: center; justify-content: center; padding: 0 4px; }
.header-user-btn { display: inline-flex; align-items: center; gap: 0.4rem; padding: 0.4rem 0.85rem; border-radius: 100px; background: rgba(255,255,255,0.1); color: white; font-size: 0.78rem; font-weight: 600; text-decoration: none; transition: all var(--transition); white-space: nowrap; border: 1px solid rgba(255,255,255,0.15); }
.header-user-btn:hover { background: rgba(255,255,255,0.2); transform: translateY(-1px); }
.header-user-btn svg { width: 16px; height: 16px; flex-shrink: 0; }

/* ── Cart Page ── */
.cart-table { width: 100%; border-collapse: collapse; }
.cart-table th { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; color: var(--theme-text-muted); padding: 0.75rem; text-align: left; border-bottom: 2px solid var(--theme-border); }
.cart-table td { padding: 0.75rem; border-bottom: 1px solid var(--theme-border); vertical-align: middle; }
.cart-item-img { width: 60px; height: 60px; border-radius: 0.5rem; object-fit: contain; background: var(--theme-surface); }
.cart-item-name { font-size: 0.85rem; font-weight: 600; color: var(--theme-text); }
.cart-item-code { font-size: 0.7rem; color: var(--theme-text-muted); }
.cart-qty-input { width: 60px; padding: 0.3rem 0.5rem; font-size: 0.85rem; text-align: center; border: 1px solid var(--theme-border); border-radius: 0.35rem; background: var(--theme-bg); color: var(--theme-text); font-family: inherit; }
.cart-remove-btn { background: none; border: none; color: #ef4444; cursor: pointer; padding: 0.3rem; border-radius: 50%; transition: all var(--transition); }
.cart-remove-btn:hover { background: rgba(239,68,68,0.1); }
.cart-layout { display: grid; grid-template-columns: 1fr 360px; gap: 2rem; align-items: start; }
.cart-summary { background: var(--theme-surface); border: 1px solid var(--theme-border); border-radius: var(--radius); padding: 1.5rem; position: sticky; top: 100px; }
.cart-summary h3 { font-size: 0.9rem; font-weight: 700; margin-bottom: 1rem; padding-bottom: 0.75rem; border-bottom: 1px solid var(--theme-border); }
.cart-summary-row { display: flex; justify-content: space-between; padding: 0.4rem 0; font-size: 0.85rem; }
.cart-summary-row.total { font-size: 1.1rem; font-weight: 800; color: var(--color-primary); border-top: 2px solid var(--theme-border); margin-top: 0.5rem; padding-top: 0.75rem; }
@media (max-width: 768px) { .cart-layout { grid-template-columns: 1fr; } .cart-summary { position: static; } .cart-table { font-size: 0.8rem; } }

/* ── Account Page ── */
.account-layout { display: grid; grid-template-columns: 240px 1fr; gap: 2rem; align-items: start; }
.account-sidebar { background: var(--theme-surface); border: 1px solid var(--theme-border); border-radius: var(--radius); overflow: hidden; }
.account-sidebar a { display: flex; align-items: center; gap: 0.6rem; padding: 0.9rem 1.25rem; font-size: 0.85rem; color: var(--theme-text); text-decoration: none; border-left: 3px solid transparent; transition: all var(--transition); }
.account-sidebar a:hover { background: var(--color-primary-light); }
.account-sidebar a.active { background: var(--color-primary-light); border-left-color: var(--color-primary); font-weight: 700; color: var(--color-primary); }
.account-sidebar a svg { width: 18px; height: 18px; flex-shrink: 0; opacity: 0.6; }
.account-content { background: var(--theme-surface); border: 1px solid var(--theme-border); border-radius: var(--radius); padding: 1.5rem 2rem; }
.account-content h2 { font-size: 1.1rem; font-weight: 700; margin-bottom: 1.5rem; padding-bottom: 0.75rem; border-bottom: 1px solid var(--theme-border); }
@media (max-width: 768px) { .account-layout { grid-template-columns: 1fr; } }

/* ── Price Sub (detail page) ── */
.pd-price-sub { font-size: 0.82rem; color: var(--theme-text-muted); margin-top: 0.25rem; }

/* ── Order Table ── */
.order-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
.order-table th { font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; color: var(--theme-text-muted); padding: 0.6rem; text-align: left; border-bottom: 2px solid var(--theme-border); }
.order-table td { padding: 0.6rem; border-bottom: 1px solid var(--theme-border); }
.order-table a { color: var(--color-primary); text-decoration: none; font-weight: 600; }
.order-status { display: inline-block; padding: 0.2rem 0.6rem; border-radius: 999px; font-size: 0.7rem; font-weight: 700; }
.order-status.pending { background: rgba(245,158,11,0.12); color: #f59e0b; }
.order-status.confirmed { background: rgba(16,185,129,0.12); color: #10b981; }
.order-status.preparing { background: rgba(37,99,235,0.12); color: #2563eb; }
.order-status.shipped { background: rgba(139,92,246,0.12); color: #8b5cf6; }
.order-status.delivered { background: rgba(16,185,129,0.12); color: #10b981; }
.order-status.cancelled { background: rgba(239,68,68,0.12); color: #ef4444; }

/* ── Alerts ── */
.alert { padding: 0.75rem 1rem; border-radius: 0.5rem; margin-bottom: 1rem; font-size: 0.85rem; }
.alert-success { background: rgba(16,185,129,0.1); border: 1px solid rgba(16,185,129,0.3); color: #10b981; }
.alert-error, .alert-danger { background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.3); color: #ef4444; }
.alert-info { background: rgba(37,99,235,0.1); border: 1px solid rgba(37,99,235,0.3); color: #2563eb; }
/* btn-add-cart */
.btn-add-cart { gap: 0.4rem; }

/* ── Scroll Reveal ── */
[data-reveal] { opacity: 0; transform: translateY(30px); transition: opacity 0.7s ease, transform 0.7s ease; }
[data-reveal="left"] { transform: translateX(-30px); }
[data-reveal].revealed { opacity: 1; transform: translate(0); }

/* ── Theme Toggle ── */
.theme-toggle {
  position: fixed; bottom: 2rem; right: 2rem; z-index: 999;
  width: 52px; height: 52px; border-radius: 50%;
  border: 1px solid var(--theme-border); background: var(--theme-surface);
  box-shadow: var(--theme-shadow-lg); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.4s cubic-bezier(0.16,1,0.3,1); color: var(--theme-text);
}
.theme-toggle:hover { transform: scale(1.1); box-shadow: var(--shadow-glow-strong); border-color: var(--color-primary); }
.theme-icon { transition: opacity 0.3s ease, transform 0.4s ease; position: absolute; }
.theme-icon.sun { opacity: 0; transform: rotate(-90deg) scale(0.5); }
.theme-icon.moon { opacity: 1; transform: rotate(0) scale(1); }
[data-theme="night"] .theme-icon.sun { opacity: 1; transform: rotate(0) scale(1); }
[data-theme="night"] .theme-icon.moon { opacity: 0; transform: rotate(90deg) scale(0.5); }

/* 
   RESPONSIVE OVERRIDES (v5)  Mobile-first fixes
    */

/* Global mobile overflow prevention */
html, body { max-width: 100vw; overflow-x: hidden; }
.section, .section-decorated, .page-hero, .page-hero-sm { max-width: 100vw; overflow-x: hidden; }
@media (max-width: 768px) {
  .section-decorated::before { display: none; }
}

/*  Tablet: 768px  */
@media (max-width: 768px) {
  /* Container  reduce side padding */
  .container { padding: 0 1rem; }

  /* Page hero  less vertical space since topbar is hidden */
  .page-hero { padding: 6rem 0 2rem; }
  .page-hero h1 { font-size: 1.5rem; }
  .page-hero-sub { font-size: 0.88rem; }
  .page-hero-sm { padding: 5.5rem 0 1rem; }
  .page-hero-sm h1 { font-size: 1.35rem; }

  /* Section spacing */
  .section { padding: 3rem 0; }
  .section-header { margin-bottom: 2rem; }
  .section-header p { font-size: 0.95rem; }

  /* Catalog toolbar  stack on mobile */
  .catalog-top-row { flex-direction: column; }
  .catalog-sort select { width: 100%; }

  /* Product grid  explicit 2-column, no auto-fill weirdness */
  .catalog-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 0.65rem;
  }

  /* Product card tweaks for smaller cards */
  .product-card { border-radius: 12px; }
  .product-img { aspect-ratio: 1; }
  .product-img img { padding: 0.75rem; }
  .product-info { padding: 0.6rem 0.75rem 0.75rem; gap: 0.25rem; }
  .product-brand { font-size: 0.62rem; }
  .product-name { font-size: 0.76rem; -webkit-line-clamp: 2; }
  .product-meta { margin-top: 0; }
  .product-code { font-size: 0.6rem; padding: 0.1rem 0.4rem; }
  .product-price { font-size: 0.95rem; }
  .product-price small { font-size: 0.55rem; }
  .product-stock-info {
  font-size: 0.7rem; font-weight: 500; margin-left: auto;
}
.product-stock-info.in-stock { color: #10b981; }
.product-stock-info.out-of-stock { color: #ef4444; }
.product-price-row { padding-top: 0.5rem; gap: 0.35rem; }
  .btn-detail-arrow { width: 32px; height: 32px; border-radius: 8px; font-size: 0.9rem; }
  .btn-card-cart { padding: 0.4rem 0.7rem; font-size: 0.68rem; border-radius: 8px; gap: 0.25rem; }
  .btn-card-cart svg { width: 12px; height: 12px; }
  .product-card:hover { transform: translateY(-3px); }
  .product-img-placeholder .placeholder-icon { width: 56px; height: 56px; border-radius: 14px; }
  .product-img-placeholder .placeholder-icon svg { width: 24px; height: 24px; }
  .product-img-placeholder .placeholder-text { font-size: 0.6rem; }
  .product-cat-badge { font-size: 0.52rem; padding: 0.18rem 0.5rem; top: 0.4rem; left: 0.4rem; border-radius: 6px; }
  .product-stock-badge { font-size: 0.52rem; padding: 0.18rem 0.5rem; top: 0.4rem; right: 0.4rem; border-radius: 6px; }
  .product-campaign-badge { font-size: 0.52rem; padding: 0.18rem 0.5rem; bottom: 0.4rem; left: 0.4rem; border-radius: 6px; }

  /* Product detail  specs table fix */
  .pd-specs td:first-child { white-space: normal; width: auto; }
  .pd-specs td { padding: 0.55rem 0.85rem; font-size: 0.82rem; }
  .pd-price-block { padding: 1rem; }
  .back-link { margin-bottom: 1rem; font-size: 0.82rem; }
  .pd-related { margin-top: 2rem; padding-top: 2rem; }
  .pd-related h3 { font-size: 1.2rem; margin-bottom: 1rem; }

  /* Cart  make table scrollable */
  .cart-table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .cart-item-img { width: 48px; height: 48px; }

  /* Pagination */
  .pagination { gap: 0.3rem; margin-top: 2rem; }
  .pagination a, .pagination span { min-width: 34px; height: 34px; font-size: 0.8rem; }

  /* Buttons */
  .btn { padding: 0.7rem 1.5rem; font-size: 0.88rem; }
  .btn-whatsapp-lg { min-width: unset; flex: unset; width: 100%; }
  .cta-group { flex-direction: column; gap: 0.75rem; }
  .pd-actions .btn { font-size: 0.88rem; }

  /* Auth */
  .auth-card { padding: 1.25rem; }
  .auth-card-wide { max-width: 100%; }

  /* Stock toggle */
  .catalog-filter-row { margin-top: 0.35rem; }
  .stock-toggle { font-size: 0.78rem; }

  /* Catalog no results / empty */
  .catalog-empty, .catalog-no-results { padding: 3rem 1rem; }
}

/*  Small Phone: 480px  */
@media (max-width: 480px) {
  .container { padding: 0 0.75rem; }
  .page-hero { padding: 5.5rem 0 1.5rem; }
  .page-hero h1 { font-size: 1.3rem; }
  .page-hero-sub { font-size: 0.82rem; }
  .page-hero-sm { padding: 5rem 0 0.75rem; }
  .page-hero-sm h1 { font-size: 1.2rem; }

  .header-inner { gap: 0.5rem; }
  .logo img { height: 32px; }

  .catalog-grid { gap: 0.5rem !important; }
  .product-info { padding: 0.5rem 0.6rem 0.6rem; }
  .product-name { font-size: 0.7rem; }
  .product-brand { font-size: 0.55rem; }
  .product-price { font-size: 0.85rem; }
  .product-price small { display: none; }
  .product-meta { display: none; }
  .btn-card-cart { padding: 0.3rem 0.5rem; font-size: 0.62rem; }
  .btn-card-cart svg { width: 10px; height: 10px; }
  .btn-detail-arrow { width: 28px; height: 28px; font-size: 0.8rem; border-radius: 6px; }

  .pd-layout { gap: 1rem; }
  .pd-title { font-size: 1.15rem; }
  .pd-price { font-size: 1.3rem; }
  .pd-image { aspect-ratio: 1; }

  .pagination a, .pagination span { min-width: 30px; height: 30px; font-size: 0.75rem; }

  .theme-toggle { width: 44px; height: 44px; bottom: 1rem; right: 1rem; }

  .mobile-menu { padding: 1rem; }
  .mobile-nav a { font-size: 0.9rem; padding: 0.55rem 0.5rem; }

  .cat-sidebar { padding: 0.85rem; }
  .mobile-cat-toggle { font-size: 0.82rem; padding: 0.65rem 0.85rem; }
}

/*  Extra Small Phone: 360px  */
@media (max-width: 360px) {
  .container { padding: 0 0.5rem; }
  .header-inner { padding: 0.6rem 0.65rem; }
  .logo img { height: 28px; }

  .page-hero { padding: 5rem 0 1.25rem; }
  .page-hero h1 { font-size: 1.15rem; }
  .page-hero-sm { padding: 4.5rem 0 0.5rem; }
  .page-hero-sm h1 { font-size: 1.05rem; }

  .catalog-grid { gap: 0.4rem !important; }
  .product-card { border-radius: 10px; }
  .product-img img { padding: 0.5rem; }
  .product-info { padding: 0.4rem 0.5rem 0.5rem; }
  .product-name { font-size: 0.65rem; }
  .product-price { font-size: 0.78rem; }
  .btn-card-cart { padding: 0.25rem 0.4rem; font-size: 0.58rem; gap: 0.15rem; }
  .product-cat-badge { display: none; }

  .pd-title { font-size: 1.05rem; }
  .pd-specs td { padding: 0.45rem 0.6rem; font-size: 0.78rem; }

  .btn { padding: 0.6rem 1rem; font-size: 0.82rem; }
  .btn-whatsapp-lg { padding: 0.6rem 0.75rem; font-size: 0.82rem; }
}

/*  Landscape phone fix  */
@media (max-height: 500px) and (orientation: landscape) {
  .page-hero { padding: 4.5rem 0 1rem; }
  .page-hero-sm { padding: 4rem 0 0.5rem; }
  .mobile-menu { max-height: 60vh; overflow-y: auto; }
}

/*  Touch-friendly: ensure minimum tap target  */
@media (pointer: coarse) {
  .cat-item a { padding: 0.65rem 0.75rem; min-height: 44px; }
  .stock-toggle { min-height: 36px; }
}
/*  PC Builder Step Toolbar  */
.step-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.step-search-wrap {
  flex: 1;
  min-width: 200px;
  position: relative;
  display: flex;
  align-items: center;
}
.step-search-wrap svg {
  position: absolute;
  left: 12px;
  pointer-events: none;
}
.step-search-input {
  width: 100%;
  padding: 8px 12px 8px 36px;
  border: 1px solid var(--border, #e2e8f0);
  border-radius: 8px;
  font-size: 0.85rem;
  background: var(--bg, #f8fafc);
  color: var(--text);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.step-search-input:focus {
  outline: none;
  border-color: var(--color-primary, #2563eb);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}
.stock-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  white-space: nowrap;
  font-size: 0.8rem;
  color: var(--text-light, #64748b);
  user-select: none;
}
.step-toolbar .stock-toggle input[type="checkbox"] {
  display: inline-block !important;
  width: 18px;
  height: 18px;
  accent-color: var(--color-primary, #2563eb);
  cursor: pointer;
  margin: 0;
  vertical-align: middle;
}
.stock-toggle-label { font-weight: 500; }
@media (max-width: 640px) {
  .step-toolbar { flex-direction: column; align-items: stretch; }
  .stock-toggle { justify-content: flex-end; }
}
/* Sub-button active state */
.sub-btn.active {
  border-color: var(--color-primary, #2563eb);
  background: rgba(37, 99, 235, 0.08);
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2);
}
.sub-btn.active strong { color: var(--color-primary, #2563eb); }
/* Lightbox / Image Zoom Overlay */
.lightbox-overlay {
  position: fixed; inset: 0; z-index: 100000;
  background: rgba(0,0,0,0.92); backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden; transition: opacity .3s, visibility .3s;
  cursor: zoom-out;
}
.lightbox-overlay.active { opacity: 1; visibility: visible; }
.lightbox-overlay img {
  max-width: 90vw; max-height: 85vh; object-fit: contain;
  border-radius: 8px; user-select: none; pointer-events: none;
  transform: scale(0.92); transition: transform .3s ease;
}
.lightbox-overlay.active img { transform: scale(1); }
.lightbox-close {
  position: absolute; top: 20px; right: 24px;
  width: 44px; height: 44px; border-radius: 50%;
  background: rgba(255,255,255,0.12); border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 28px; line-height: 1;
  transition: background .2s;
}
.lightbox-close:hover { background: rgba(255,255,255,0.25); }
.lightbox-nav {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 48px; height: 48px; border-radius: 50%;
  background: rgba(255,255,255,0.12); border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 24px; transition: background .2s;
}
.lightbox-nav:hover { background: rgba(255,255,255,0.25); }
.lightbox-nav.prev { left: 20px; }
.lightbox-nav.next { right: 20px; }
.lightbox-counter {
  position: absolute; bottom: 20px; left: 50%; transform: translateX(-50%);
  color: rgba(255,255,255,0.7); font-size: 14px;
}

/* Stock Quantity Badge */
.pd-stock-qty {
  display: inline-block;
  background: rgba(16,185,129,0.12);
  color: #10b981;
  font-weight: 600; font-size: 0.85rem;
  padding: 3px 10px; border-radius: 20px;
  margin-left: 8px;
  border: 1px solid rgba(16,185,129,0.25);
}
/* Breadcrumb Navigation */
.breadcrumb { margin-bottom: 1.5rem; }
.breadcrumb ol {
  display: flex; flex-wrap: wrap; align-items: center; gap: 0;
  list-style: none; margin: 0; padding: 0;
  font-size: 0.88rem; color: var(--theme-text-muted);
}
.breadcrumb li { display: flex; align-items: center; }
.breadcrumb li:not(:last-child)::after {
  content: '/'; margin: 0 8px; color: var(--theme-text-muted); opacity: 0.4;
}
.breadcrumb a {
  color: var(--theme-text-muted); text-decoration: none;
  transition: color 0.2s;
}
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb li[aria-current="page"] span {
  color: var(--theme-text); font-weight: 500;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 280px;
}
/* 404 Error Page */
.error-404 {
  text-align: center; padding: 4rem 1rem;
  max-width: 500px; margin: 0 auto;
}
.error-404-icon { margin-bottom: 2rem; }
.error-404 h2 {
  font-size: 1.5rem; font-weight: 700;
  color: var(--theme-text); margin-bottom: 1rem;
}
.error-404 p {
  color: var(--theme-text-muted); font-size: 1rem;
  line-height: 1.7; margin-bottom: 2rem;
}
.error-404-actions {
  display: flex; gap: 12px; justify-content: center; flex-wrap: wrap;
}
/* Back to Top Button */
.back-to-top {
  position: fixed; bottom: 24px; right: 24px; z-index: 9990;
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--color-primary); color: #fff; border: none;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 16px rgba(37,99,235,0.35);
  opacity: 0; visibility: hidden; transform: translateY(16px);
  transition: opacity .3s, visibility .3s, transform .3s, background .2s;
}
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: #1d4ed8; transform: translateY(-2px); }
@media (max-width: 768px) {
  .back-to-top { bottom: 16px; right: 16px; width: 42px; height: 42px; }
}
/* Favorites / Wishlist Heart Button */
.fav-btn {
  position: absolute; top: 10px; right: 10px; z-index: 10;
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(0,0,0,0.35); backdrop-filter: blur(4px);
  border: none; cursor: pointer; display: flex; align-items: center; justify-content: center;
  color: #fff; opacity: 0; transition: opacity .2s, background .2s, transform .15s;
}
.product-card:hover .fav-btn { opacity: 1; }
.fav-btn:hover { background: rgba(0,0,0,0.55); transform: scale(1.1); }
.fav-btn.fav-active, .btn-fav-detail.fav-active {
  color: #ef4444;
}
.fav-btn.fav-active svg, .btn-fav-detail.fav-active svg {
  fill: #ef4444; stroke: #ef4444;
}
.fav-btn.fav-active { opacity: 1; background: rgba(255,255,255,0.9); }
.btn-fav-detail.fav-active {
  border-color: #ef4444; color: #ef4444;
}
@media (max-width: 768px) {
  .fav-btn { opacity: 1; }
}
/* Compare Button on Cards */
.compare-btn {
  position: absolute; top: 10px; left: 10px; z-index: 10;
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(0,0,0,0.35); backdrop-filter: blur(4px);
  border: none; cursor: pointer; display: flex; align-items: center; justify-content: center;
  color: #fff; opacity: 0; transition: opacity .2s, background .2s;
}
.product-card:hover .compare-btn { opacity: 1; }
.compare-btn:hover { background: rgba(0,0,0,0.55); }
.compare-btn.compare-active { opacity: 1; background: var(--color-primary); color: #fff; }
.btn-compare-detail.compare-active { border-color: var(--color-primary); color: var(--color-primary); }
@media (max-width: 768px) { .compare-btn { opacity: 1; } }

/* Compare Floating Bar */
.compare-bar {
  position: fixed; bottom: 80px; left: 50%; transform: translateX(-50%) translateY(100px);
  z-index: 9980; background: var(--theme-surface);
  border: 1px solid var(--theme-border); border-radius: 16px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.25);
  padding: 10px 16px; opacity: 0; visibility: hidden;
  transition: transform .3s, opacity .3s, visibility .3s;
}
.compare-bar.visible { transform: translateX(-50%) translateY(0); opacity: 1; visibility: visible; }
.compare-bar-inner { display: flex; align-items: center; gap: 12px; }
.compare-bar-items { display: flex; align-items: center; gap: 8px; }
.compare-bar-item {
  display: flex; align-items: center; gap: 6px;
  background: var(--theme-bg); padding: 4px 8px; border-radius: 8px;
  font-size: 0.8rem; color: var(--theme-text);
}
.compare-bar-item img { width: 32px; height: 32px; object-fit: contain; border-radius: 4px; }
.compare-bar-item button {
  background: none; border: none; color: var(--theme-text-muted);
  cursor: pointer; font-size: 16px; line-height: 1; padding: 0 2px;
}
.compare-bar-item button:hover { color: #ef4444; }
.compare-bar-ph { width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; background: var(--theme-border); border-radius: 4px; font-size: 14px; color: var(--theme-text-muted); }
.compare-bar-count { font-size: 0.78rem; color: var(--theme-text-muted); font-weight: 600; }
.compare-bar-actions { display: flex; gap: 8px; }
.btn-sm { padding: 6px 16px !important; font-size: 0.82rem !important; border-radius: 8px !important; }
@media (max-width: 640px) {
  .compare-bar { width: calc(100% - 24px); bottom: 70px; border-radius: 12px; }
  .compare-bar-item span { display: none; }
}

/* Compare Modal */
.compare-modal-overlay {
  position: fixed; inset: 0; z-index: 100001;
  background: rgba(0,0,0,0.85); backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden; transition: opacity .3s, visibility .3s;
}
.compare-modal-overlay.active { opacity: 1; visibility: visible; }
.compare-modal {
  background: var(--theme-surface); border-radius: 16px;
  max-width: 90vw; max-height: 85vh; overflow: auto;
  padding: 2rem; position: relative; min-width: 500px;
}
.compare-modal-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.5rem; }
.compare-modal-header h3 { font-size: 1.2rem; font-weight: 700; color: var(--theme-text); margin: 0; }
.compare-table { width: 100%; border-collapse: collapse; }
.compare-table th { text-align: left; padding: 10px 12px; font-size: 0.85rem; color: var(--theme-text-muted); font-weight: 600; border-bottom: 1px solid var(--theme-border); white-space: nowrap; width: 100px; }
.compare-table td { padding: 10px 12px; font-size: 0.9rem; color: var(--theme-text); border-bottom: 1px solid var(--theme-border); text-align: center; min-width: 150px; }
.compare-img { width: 120px; height: 120px; object-fit: contain; border-radius: 8px; }
@media (max-width: 640px) {
  .compare-modal { min-width: auto; width: 95vw; padding: 1.25rem; }
  .compare-img { width: 80px; height: 80px; }
}

/* ═══════════════════════════════════════════════════════════════
   Mobile E-commerce: Category Drawer + Search Bar
   ═══════════════════════════════════════════════════════════════ */

/* ── Category Drawer (same style as mini cart) ── */
.cat-drawer-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.5);
  z-index: 9999; opacity: 0; transition: opacity 0.3s; pointer-events: none;
}
.cat-drawer-overlay.open { opacity: 1; pointer-events: auto; }
.cat-drawer {
  position: fixed; bottom: 0; left: 0; right: 0; max-height: 85vh;
  background: var(--theme-surface, #fff); border-radius: 16px 16px 0 0;
  z-index: 10000; transform: translateY(100%);
  transition: transform 0.35s cubic-bezier(0.32,0.72,0,1);
  display: flex; flex-direction: column;
  box-shadow: 0 -8px 40px rgba(0,0,0,0.25);
}
.cat-drawer.open { transform: translateY(0); }
.cd-handle {
  width: 36px; height: 4px; background: var(--theme-border, #d1d5db);
  border-radius: 99px; margin: 10px auto 0; flex-shrink: 0;
}
.cd-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 20px 12px; border-bottom: 1px solid var(--theme-border, #e5e7eb);
  flex-shrink: 0;
}
.cd-header h3 { margin: 0; font-size: 1.05rem; font-weight: 700; color: var(--theme-text, #111); }
.cd-close {
  background: none; border: none; font-size: 24px; cursor: pointer;
  color: var(--theme-text-muted, #6b7280); padding: 4px 8px; border-radius: 8px;
}
.cd-close:hover { background: var(--theme-border, #f3f4f6); color: var(--theme-text, #111); }
.cd-body { overflow-y: auto; flex: 1; padding: 8px 0; -webkit-overflow-scrolling: touch; }
.cd-nav { padding: 0 16px 8px; display: flex; flex-direction: column; gap: 2px; }
.cd-nav a {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px; border-radius: 10px; font-size: 0.92rem; font-weight: 500;
  color: var(--theme-text, #374151); text-decoration: none; transition: background 0.2s;
}
.cd-nav a:hover, .cd-nav a.active { background: var(--color-primary-light, rgba(37,99,235,0.08)); color: var(--color-primary, #2563eb); }
.cd-nav a svg { width: 18px; height: 18px; flex-shrink: 0; opacity: 0.6; }
.cd-divider { height: 1px; background: var(--theme-border, #e5e7eb); margin: 4px 16px; }
.cd-section-title {
  font-size: 0.72rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.08em; color: var(--theme-text-muted, #9ca3af);
  padding: 10px 20px 6px;
}
.cd-categories { padding: 0 8px 8px; }
.cd-categories .cat-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 1px; }
.cd-categories .cat-item a {
  display: flex; align-items: center; justify-content: space-between;
  padding: 9px 12px; border-radius: 10px; font-size: 0.88rem; font-weight: 500;
  color: var(--theme-text, #374151); text-decoration: none; transition: background 0.2s;
}
.cd-categories .cat-item a:hover { background: var(--color-primary-light, rgba(37,99,235,0.08)); color: var(--color-primary, #2563eb); }
.cd-categories .cat-item.active > a {
  background: var(--gradient-primary, linear-gradient(135deg,#2563eb,#1d4ed8)); color: #fff;
  box-shadow: 0 2px 8px rgba(37,99,235,0.25); font-weight: 600;
}
.cd-categories .cat-count {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 22px; height: 22px; font-size: 0.68rem; font-weight: 600;
  border-radius: 999px; background: var(--theme-border, #e5e7eb);
  color: var(--theme-text-muted, #9ca3af); padding: 0 6px;
}
.cd-categories .cat-item.active .cat-count { background: rgba(255,255,255,0.25); color: white; }
.cd-categories .cat-sub-list { list-style: none; margin: 0; padding: 0 0 0 12px; max-height:0; overflow:hidden; transition:max-height 0.35s ease; opacity:0; }
.cd-categories .cat-sub-list.open { max-height:600px; opacity:1; }
.cd-categories .cat-sub-item a { padding: 7px 12px; font-size: 0.82rem; font-weight: 400; }
.cd-categories .cat-sub-item.active a { background: var(--color-primary, #2563eb); color: #fff; font-weight: 600; }
.cd-categories .cat-toggle { display:inline-flex; align-items:center; justify-content:center; width:24px; height:24px; border:none; background:transparent; cursor:pointer; color:var(--theme-text-muted); border-radius:4px; transition:all 0.2s; flex-shrink:0; padding:0; }
.cd-categories .cat-toggle:hover { background: var(--color-primary-light); color: var(--color-primary); }
.cd-categories .cat-toggle svg { transition:transform 0.3s; }
.cd-categories .cat-toggle.open svg { transform:rotate(180deg); }
.cd-categories .cat-item.active .cat-toggle { color:white; }
.cd-categories .cat-campaign a {
  background: linear-gradient(135deg, rgba(245,158,11,0.08), rgba(239,68,68,0.08)) !important;
  border: 1px solid rgba(239,68,68,0.15); font-weight: 700 !important;
}
.cd-categories .cat-campaign.active a {
  background: linear-gradient(135deg, #f59e0b, #ef4444) !important;
  color: white !important; border-color: transparent;
}
.cd-footer {
  padding: 12px 16px; border-top: 1px solid var(--theme-border, #e5e7eb);
  display: flex; flex-direction: column; gap: 6px; flex-shrink: 0;
  background: var(--theme-bg, #f9fafb); border-radius: 0 0 0 0;
}
.cd-footer-row { display: flex; gap: 8px; }
.cd-footer-row a {
  flex: 1; display: flex; align-items: center; justify-content: center; gap: 6px;
  padding: 10px; border-radius: 10px; font-size: 0.85rem; font-weight: 600;
  text-decoration: none; transition: all 0.2s;
}
.cd-footer-account { background: var(--theme-surface, #fff); color: var(--theme-text, #374151); border: 1px solid var(--theme-border, #e5e7eb); }
.cd-footer-account:hover { border-color: var(--color-primary); color: var(--color-primary); }
.cd-footer-account svg { width: 16px; height: 16px; flex-shrink: 0; }
.cd-lang-row { display: flex; gap: 6px; }
.cd-lang-row a {
  flex: 1; display: flex; align-items: center; justify-content: center; gap: 6px;
  padding: 8px; border-radius: 8px; font-size: 0.8rem; font-weight: 500;
  text-decoration: none; color: var(--theme-text-muted, #6b7280);
  background: var(--theme-surface, #fff); border: 1px solid var(--theme-border, #e5e7eb);
  transition: all 0.2s;
}
.cd-lang-row a:hover, .cd-lang-row a.active { border-color: var(--color-primary); color: var(--color-primary); background: var(--color-primary-light); }
.cd-lang-row .flag-icon { border-radius: 2px; object-fit: cover; }

/* ── Mobile Search Bar ── */
.mobile-search-bar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 10001;
  background: rgba(10,15,30,0.97); backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 0; transform: translateY(-100%);
  transition: transform 0.3s cubic-bezier(0.32,0.72,0,1);
  box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}
.mobile-search-bar.open { transform: translateY(0); }
.msb-inner {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 16px; min-height: 56px;
}
.msb-inner svg { color: rgba(255,255,255,0.5); flex-shrink: 0; }
.msb-inner input {
  flex: 1; border: none; background: transparent; font-size: 1rem;
  color: #fff; outline: none; font-family: inherit;
  padding: 6px 0;
}
.msb-inner input::placeholder { color: rgba(255,255,255,0.4); }
.msb-close {
  background: none; border: none; color: rgba(255,255,255,0.6);
  font-size: 22px; cursor: pointer; padding: 4px 8px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
}
.msb-close:hover { color: #fff; background: rgba(255,255,255,0.1); }

/* ── Mobile Filter Chips (visible on mobile below toolbar) ── */
.mobile-filter-bar {
  display: none; gap: 8px; overflow-x: auto; padding: 0 0 8px;
  -webkit-overflow-scrolling: touch; scrollbar-width: none;
}
.mobile-filter-bar::-webkit-scrollbar { display: none; }
.mobile-filter-chip {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 6px 14px; border-radius: 20px; font-size: 0.78rem; font-weight: 600;
  white-space: nowrap; cursor: pointer; border: 1.5px solid var(--theme-border, #e5e7eb);
  background: var(--theme-surface, #fff); color: var(--theme-text, #374151);
  transition: all 0.2s; flex-shrink: 0;
}
.mobile-filter-chip.active { background: var(--color-primary, #2563eb); color: #fff; border-color: var(--color-primary); }
.mobile-filter-chip svg { width: 14px; height: 14px; flex-shrink: 0; }
@media (max-width: 768px) {
  .mobile-filter-bar { display: flex; }
}