/* ============================================================
   MarketHub Static Site - Design System based on Hstock.org
   ============================================================ */

/* ---------- CSS Variables / Design Tokens ---------- */
:root {
  /* Colors */
  --color-black: #10141C;
  --color-black-80: rgba(16, 20, 28, 0.80);
  --color-black-64: rgba(16, 20, 28, 0.64);
  --color-black-48: rgba(16, 20, 28, 0.48);
  --color-black-32: rgba(16, 20, 28, 0.32);
  --color-black-24: rgba(16, 20, 28, 0.24);
  --color-black-16: rgba(16, 20, 28, 0.16);
  --color-black-08: rgba(16, 20, 28, 0.08);
  --color-black-04: rgba(16, 20, 28, 0.04);
  --color-white: #FFFFFF;
  --color-red: #FF1D1F;
  --color-red-hover: #E5191B;
  --color-red-pressed: #CC1618;
  --color-red-light: rgba(255, 29, 31, 0.04);
  --color-red-lighter: rgba(255, 29, 31, 0.08);
  --color-blue: #0077FF;
  --color-green: #71B600;
  --color-orange: #FF9900;
  --color-gray-bg: #F8F9FB;

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --text-xs: 12px;
  --text-sm: 14px;
  --text-base: 16px;
  --text-lg: 18px;
  --text-xl: 20px;

  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 12px;
  --spacing-lg: 16px;
  --spacing-xl: 24px;
  --spacing-2xl: 32px;
  --spacing-3xl: 48px;
  --spacing-4xl: 64px;
  --spacing-5xl: 80px;

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-round: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(16, 20, 28, 0.08);
  --shadow-md: 0 4px 14px rgba(84, 89, 111, 0.30);
  --shadow-lg: 0 8px 30px rgba(16, 20, 28, 0.12);
  --shadow-card: 0 2px 8px rgba(16, 20, 28, 0.06);

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 120px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  font-size: var(--text-sm);
  line-height: 1.5;
  color: var(--color-black);
  background: var(--color-gray-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; height: auto; vertical-align: top; }
button { font-family: inherit; font-size: inherit; cursor: pointer; border: none; background: none; }
input, textarea, select { font-family: inherit; font-size: inherit; }

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 16px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  white-space: nowrap;
  cursor: pointer;
}

.btn-primary {
  background: var(--color-red);
  color: var(--color-white);
}
.btn-primary:hover { background: var(--color-red-hover); }
.btn-primary:active { background: var(--color-red-pressed); }

.btn-outline {
  background: transparent;
  color: var(--color-black);
  border: 1px solid var(--color-black-16);
}
.btn-outline:hover { background: var(--color-black-04); }

.btn-ghost {
  background: var(--color-black-04);
  color: var(--color-black);
}
.btn-ghost:hover { background: var(--color-black-08); }

.btn-sm { padding: 6px 14px; font-size: var(--text-xs); height: 32px; }
.btn-md { padding: 8px 20px; font-size: var(--text-sm); height: 40px; }
.btn-lg { padding: 12px 32px; font-size: var(--text-base); height: 48px; }

.btn-block { width: 100%; }

/* ---------- Header ---------- */
.header {
  background: var(--color-white);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.header-top {
  border-bottom: 1px solid var(--color-black-04);
  padding: 8px 0;
}

.header-top .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-top__nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
  font-size: var(--text-sm);
  color: var(--color-black-64);
  font-weight: 500;
}

.header-top__nav a:hover { color: var(--color-red); }

.header-more { position: relative; }
.header-more__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  border-radius: 50%;
  font-size: 18px;
  color: var(--color-black-64);
  transition: background var(--transition-fast);
}
.header-more__btn:hover { background: var(--color-black-04); }

.header-more__menu {
  position: absolute;
  top: 100%; right: 0;
  background: var(--color-white);
  border: 1px solid var(--color-black-08);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  min-width: 160px;
  padding: 8px 0;
  display: none;
  z-index: 101;
}
.header-more__menu.show { display: block; }
.header-more__menu li { padding: 6px 16px; }
.header-more__menu li a { font-size: var(--text-sm); color: var(--color-black-64); font-weight: 500; }
.header-more__menu li a:hover { color: var(--color-red); }

.header-top__switchers {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.switcher {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: var(--text-sm);
  color: var(--color-black-64);
  cursor: pointer;
  font-weight: 500;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}
.switcher:hover { background: var(--color-black-04); }

/* Header Main */
.header-main {
  padding: 16px 0;
}

.header-main .container {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.header-logo { flex-shrink: 0; }

.header-catalog-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: var(--color-red);
  color: var(--color-white);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: var(--text-sm);
  transition: background var(--transition-fast);
}
.header-catalog-btn:hover { background: var(--color-red-hover); }

.header-search {
  flex: 1;
  position: relative;
  max-width: 520px;
}

.header-search__icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-black-48);
  pointer-events: none;
}

.header-search input {
  width: 100%;
  height: 44px;
  padding: 0 20px 0 44px;
  border: 1px solid var(--color-black-16);
  border-radius: var(--radius-md);
  background: var(--color-black-04);
  font-size: var(--text-sm);
  color: var(--color-black);
  outline: none;
  transition: all var(--transition-fast);
}
.header-search input::placeholder { color: var(--color-black-48); }
.header-search input:focus {
  border-color: var(--color-red);
  background: var(--color-white);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-left: auto;
}

.header-action-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  border-radius: 50%;
  color: var(--color-black-64);
  transition: all var(--transition-fast);
}
.header-action-btn:hover { background: var(--color-black-04); color: var(--color-black); }

.header-action-btn--primary {
  width: auto;
  padding: 0 18px;
  gap: 8px;
  border-radius: var(--radius-md);
  background: var(--color-red);
  color: var(--color-white);
  font-weight: 600;
  font-size: var(--text-sm);
}
.header-action-btn--primary:hover { background: var(--color-red-hover); }

/* Mobile Header */
.header-mobile-toggle {
  display: none;
  width: 36px; height: 36px;
  align-items: center;
  justify-content: center;
  color: var(--color-black);
}

/* ---------- Mobile Menu Overlay ---------- */
.mobile-menu {
  display: none;
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  background: rgba(16, 20, 28, 0.40);
  z-index: 200;
}
.mobile-menu.active { display: block; }

.mobile-menu__panel {
  position: fixed;
  top: 0; left: -300px;
  width: 280px;
  height: 100%;
  background: var(--color-white);
  padding: 24px 16px;
  overflow-y: auto;
  transition: left var(--transition-normal);
}
.mobile-menu.active .mobile-menu__panel { left: 0; }

.mobile-menu__close {
  position: absolute;
  top: 12px; right: 12px;
  width: 32px; height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--color-black);
}
.mobile-menu__close:hover { background: var(--color-black-04); }

.mobile-menu__link {
  display: block;
  padding: 12px 0;
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-black);
  border-bottom: 1px solid var(--color-black-08);
}

/* ---------- Sections ---------- */
.section { padding: var(--spacing-3xl) 0; }
.section--gray { background: var(--color-gray-bg); }
.section--white { background: var(--color-white); }

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-xl);
}

.section-title {
  font-size: var(--text-xl);
  font-weight: 600;
}

.section-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-black);
  transition: color var(--transition-fast);
}
.section-link:hover { color: var(--color-red); }
.section-link svg { width: 16px; height: 16px; }

/* ---------- Hero ---------- */
.hero { padding: 0; }

.hero-slider {
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.hero-slide {
  display: flex;
  align-items: center;
  min-height: 370px;
  background: var(--color-black);
  padding: 0 90px;
  position: relative;
  overflow: hidden;
}

.hero-slide__content {
  max-width: 420px;
  position: relative;
  z-index: 2;
}

.hero-slide__title {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.3;
  margin-bottom: var(--spacing-xl);
}

.hero-slide__desc {
  font-size: var(--text-base);
  color: #C5CBE9;
  line-height: 1.6;
  margin-bottom: var(--spacing-lg);
}

.hero-slide__image {
  position: absolute;
  left: 440px;
  top: 0;
  width: calc(100% - 440px);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-illustration {
  display: flex;
  align-items: center;
  gap: 30px;
  opacity: 0.15;
}

.hero-icon {
  width: 80px; height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
  background: rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
}
.hero-icon--center {
  width: 100px; height: 100px;
  font-size: 50px;
  background: var(--color-red);
  opacity: 1;
}

.hero-dots {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-top: -var(--spacing-lg);
  padding-bottom: var(--spacing-2xl);
}
.hero-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--color-black-16);
  cursor: pointer;
  transition: background var(--transition-fast);
}
.hero-dot.active { background: var(--color-red); }

/* ---------- Category Grid ---------- */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: var(--spacing-sm);
}

.category-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  background: var(--color-white);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}
.category-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.category-card__icon {
  width: 56px; height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
}

.category-card__name {
  font-size: var(--text-xs);
  font-weight: 500;
  text-align: center;
  color: var(--color-black-80);
  max-width: 80px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ---------- Tabs ---------- */
.tabs-wrapper {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
}

.tabs-nav {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
  overflow-x: auto;
  padding-bottom: 4px;
}

.tab-btn {
  padding: 10px 24px;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-black-64);
  border-radius: var(--radius-md);
  background: var(--color-black-04);
  white-space: nowrap;
  transition: all var(--transition-fast);
}
.tab-btn:hover { background: var(--color-black-08); }
.tab-btn.active {
  background: var(--color-red);
  color: var(--color-white);
}

.tab-panel { animation: fadeIn 0.3s ease; }
.tab-panel[hidden] { display: none; }

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

.subcategory-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: var(--spacing-sm);
}

.subcategory-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  font-size: var(--text-xs);
  font-weight: 500;
  text-align: center;
  color: var(--color-black-80);
}
.subcategory-item:hover {
  background: var(--color-black-04);
}

.subcategory-item__img {
  width: 60px; height: 60px;
  border-radius: var(--radius-md);
  object-fit: cover;
}

/* ---------- Product Cards ---------- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
}

.product-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-fast);
  border: 1px solid var(--color-black-04);
}
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.product-card__image {
  height: 160px;
  overflow: hidden;
  background: var(--color-gray-bg);
}
.product-card__image img {
  width: 100%; height: 100%;
  object-fit: cover;
}

.product-card__body {
  padding: var(--spacing-lg);
}

.product-card__title {
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-card__rating {
  font-size: var(--text-xs);
  color: var(--color-orange);
  margin-bottom: var(--spacing-sm);
}
.product-card__rating span { color: var(--color-black-64); }

.product-card__price {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-black);
  margin-bottom: var(--spacing-md);
}

/* ---------- Store Cards ---------- */
.stores-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--spacing-lg);
}

.store-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--spacing-xl);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: all var(--transition-fast);
  border: 1px solid var(--color-black-04);
}
.store-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.store-card__avatar {
  width: 98px; height: 98px;
  border-radius: 50%;
  overflow: hidden;
  margin-bottom: var(--spacing-md);
}
.store-card__avatar img { width: 100%; height: 100%; object-fit: cover; }

.store-card__name {
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.store-card__rating {
  font-size: var(--text-sm);
  color: var(--color-orange);
  margin-bottom: var(--spacing-xs);
}

.store-card__meta {
  font-size: var(--text-xs);
  color: var(--color-black-48);
  margin-bottom: var(--spacing-md);
}

.store-card__badges {
  display: flex;
  gap: var(--spacing-xs);
  justify-content: center;
}

/* ---------- Badges ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: var(--radius-round);
  font-size: 11px;
  font-weight: 600;
}
.badge--green { background: rgba(113, 182, 0, 0.12); color: #5A8E00; }
.badge--orange { background: rgba(255, 153, 0, 0.12); color: #CC7A00; }
.badge--red { background: var(--color-red-light); color: var(--color-red); }
.badge--gray { background: var(--color-black-04); color: var(--color-black-64); }

/* ---------- Stats ---------- */
.stats-section {
  background: var(--color-black);
  color: var(--color-white);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-2xl);
  text-align: center;
}

.stat-item__number {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
  color: var(--color-white);
}

.stat-item__label {
  font-size: var(--text-sm);
  color: #C5CBE9;
}

/* ---------- CTA ---------- */
.cta-section { background: var(--color-white); }

.cta-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(135deg, var(--color-red) 0%, #E5191B 100%);
  border-radius: var(--radius-xl);
  padding: var(--spacing-3xl) var(--spacing-4xl);
  color: var(--color-white);
  overflow: hidden;
  position: relative;
}

.cta-box__content { max-width: 520px; position: relative; z-index: 2; }

.cta-box__content h2 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

.cta-box__content p {
  font-size: var(--text-base);
  opacity: 0.85;
  line-height: 1.6;
  margin-bottom: var(--spacing-xl);
}

.cta-box__content .btn {
  background: var(--color-white);
  color: var(--color-red);
}
.cta-box__content .btn:hover { background: rgba(255,255,255,0.9); }

.cta-box__image {
  flex-shrink: 0;
  position: relative;
  z-index: 2;
}

.cta-illustration {
  font-size: 120px;
  opacity: 0.6;
}

/* ---------- Footer ---------- */
.footer {
  background: var(--color-black);
  color: var(--color-white);
  padding: var(--spacing-3xl) 0 var(--spacing-2xl);
  margin-top: auto;
}

.footer-columns {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-3xl);
}

.footer-col__title {
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--spacing-lg);
}

.footer-col ul li {
  margin-bottom: var(--spacing-md);
}

.footer-col ul li a {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.64);
  transition: color var(--transition-fast);
}
.footer-col ul li a:hover { color: var(--color-red); }

.footer-socials {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-lg);
}

.footer-social {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.64);
  transition: all var(--transition-fast);
}
.footer-social:hover { background: var(--color-red); color: var(--color-white); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: var(--spacing-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.48);
}

/* ---------- FAQ ---------- */
.page-header {
  background: var(--color-white);
  padding: var(--spacing-2xl) 0;
  margin-bottom: var(--spacing-2xl);
}

.page-header__title {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

.page-header__desc {
  font-size: var(--text-base);
  color: var(--color-black-64);
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.faq-item {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-black-04);
  overflow: hidden;
}

.faq-item__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-xl);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-black);
  text-align: left;
  cursor: pointer;
  transition: background var(--transition-fast);
}
.faq-item__question:hover { background: var(--color-black-04); }

.faq-item__icon {
  width: 36px; height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-red-light);
  flex-shrink: 0;
  transition: all var(--transition-fast);
}
.faq-item__icon svg { width: 20px; height: 20px; color: var(--color-red); }
.faq-item.open .faq-item__icon { transform: rotate(45deg); background: var(--color-red); }
.faq-item.open .faq-item__icon svg { color: var(--color-white); }

.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}
.faq-item.open .faq-item__answer {
  max-height: 500px;
  padding: 0 var(--spacing-xl) var(--spacing-xl);
}

.faq-item__answer p {
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-black-80);
}

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

/* Breadcrumbs */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--text-xs);
  color: var(--color-black-48);
  flex-wrap: wrap;
  margin-bottom: var(--spacing-xl);
}
.breadcrumbs a { color: var(--color-black-64); }
.breadcrumbs a:hover { color: var(--color-red); }
.breadcrumbs__sep { color: var(--color-black-32); }

/* Product Detail Layout */
.product-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
}

.product-detail__gallery {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-black-04);
}
.product-detail__gallery img {
  width: 100%; height: 400px;
  object-fit: cover;
}

.product-detail__info h1 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

.product-detail__price-big {
  font-size: 32px;
  font-weight: 700;
  color: var(--color-red);
  margin-bottom: var(--spacing-lg);
}

.product-detail__meta {
  display: flex;
  gap: var(--spacing-xl);
  font-size: var(--text-sm);
  color: var(--color-black-64);
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-xl);
  border-bottom: 1px solid var(--color-black-08);
}

.product-detail__meta-item { display: flex; align-items: center; gap: 6px; }

.product-detail__seller {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  background: var(--color-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-black-04);
  margin-bottom: var(--spacing-xl);
}

.product-detail__seller-avatar {
  width: 48px; height: 48px;
  border-radius: 50%;
}

.product-detail__seller-name { font-weight: 600; }

.product-detail__seller-rating { font-size: var(--text-xs); color: var(--color-black-64); }

.product-detail__description {
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-black-80);
  margin-bottom: var(--spacing-xl);
}

.product-detail__actions {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.product-detail__actions .btn-primary {
  flex: 1;
  height: 52px;
  font-size: var(--text-base);
}

/* Review Section */
.reviews-section h3 {
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-xl);
}

.review-item {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  border: 1px solid var(--color-black-04);
  margin-bottom: var(--spacing-md);
}

.review-item__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-sm);
}

.review-item__author { font-weight: 600; font-size: var(--text-sm); }
.review-item__date { font-size: var(--text-xs); color: var(--color-black-48); }
.review-item__stars { color: var(--color-orange); font-size: var(--text-sm); margin-bottom: var(--spacing-sm); }
.review-item__text { font-size: var(--text-sm); color: var(--color-black-80); line-height: 1.6; }

/* ========== STORE PAGE ========== */
.store-profile {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-2xl);
  border: 1px solid var(--color-black-04);
  margin-bottom: var(--spacing-2xl);
}

.store-profile__header {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-xl);
}

.store-profile__avatar {
  width: 120px; height: 120px;
  border-radius: var(--radius-lg);
  object-fit: cover;
}

.store-profile__info h1 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

.store-profile__stats {
  display: flex;
  gap: var(--spacing-2xl);
  margin: var(--spacing-lg) 0;
  flex-wrap: wrap;
}

.store-profile__stat {
  text-align: center;
}

.store-profile__stat-value {
  font-size: var(--text-xl);
  font-weight: 700;
}

.store-profile__stat-label {
  font-size: var(--text-xs);
  color: var(--color-black-48);
}

.store-tabs {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--color-black-04);
}

/* ========== LOGIN PAGE ========== */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 200px);
  padding: var(--spacing-3xl) 0;
}

.login-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-3xl);
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow-md);
}

.login-card h2 {
  font-size: 24px;
  font-weight: 700;
  text-align: center;
  margin-bottom: var(--spacing-sm);
}

.login-card__desc {
  text-align: center;
  color: var(--color-black-64);
  font-size: var(--text-sm);
  margin-bottom: var(--spacing-2xl);
}

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-group label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  margin-bottom: var(--spacing-xs);
  color: var(--color-black);
}

.form-group input {
  width: 100%;
  height: 44px;
  padding: 0 16px;
  border: 1px solid var(--color-black-16);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--color-black);
  background: var(--color-white);
  outline: none;
  transition: border-color var(--transition-fast);
}
.form-group input:focus { border-color: var(--color-red); }

.form-options {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-xl);
  font-size: var(--text-xs);
}

.form-options label {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--color-black-64);
  cursor: pointer;
}

.form-options a {
  color: var(--color-red);
  font-weight: 500;
}
.form-options a:hover { text-decoration: underline; }

.form-divider {
  text-align: center;
  position: relative;
  margin: var(--spacing-xl) 0;
  color: var(--color-black-48);
  font-size: var(--text-xs);
}
.form-divider::before, .form-divider::after {
  content: '';
  position: absolute;
  top: 50%;
  width: calc(50% - 30px);
  height: 1px;
  background: var(--color-black-08);
}
.form-divider::before { left: 0; }
.form-divider::after { right: 0; }

.login-card__footer {
  text-align: center;
  margin-top: var(--spacing-xl);
  font-size: var(--text-sm);
  color: var(--color-black-64);
}
.login-card__footer a { color: var(--color-red); font-weight: 500; }
.login-card__footer a:hover { text-decoration: underline; }

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  .product-grid { grid-template-columns: repeat(3, 1fr); }
  .hero-slide { padding: 40px; }
  .hero-slide__image { display: none; }
  .product-detail { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .header-top { display: none; }
  .header-catalog-btn { display: none; }
  .header-search { display: none; }
  .header-actions .header-action-btn:not(.header-action-btn--primary) { display: none; }
  .header-action-btn--primary span { display: none; }
  .header-action-btn--primary { width: 40px; padding: 0; justify-content: center; border-radius: 50%; }

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

  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-columns { grid-template-columns: repeat(2, 1fr); }
  .cta-box { flex-direction: column; text-align: center; padding: var(--spacing-2xl); }
  .cta-box__content { max-width: 100%; }
  .cta-box__image { display: none; }
  .store-profile__header { flex-direction: column; align-items: center; text-align: center; }
  .store-profile__stats { justify-content: center; }
  .product-detail__actions { flex-direction: column; }
}

@media (max-width: 480px) {
  .product-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr; gap: var(--spacing-xl); }
  .footer-columns { grid-template-columns: 1fr; }
  .category-grid { grid-template-columns: repeat(auto-fill, minmax(80px, 1fr)); }
  .hero-slide__title { font-size: 22px; }
  .hero-slide { padding: 24px; min-height: 260px; }
  .subcategory-grid { grid-template-columns: repeat(auto-fill, minmax(90px, 1fr)); }
  .tabs-nav { gap: 4px; }
  .tab-btn { padding: 8px 14px; font-size: var(--text-xs); }
  .stores-grid { grid-template-columns: repeat(2, 1fr); }
}