/* DigiFast — plati.market style
   Color scheme: dark header, blue accents, orange catalog button
   Font: Inter (system sans-serif)
*/
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  --bg-page: #F5F5F7;
  --bg-header: #0F0F1A;
  --bg-catnav: #1A1A2E;
  --accent: #2F80ED;
  --accent-hover: #1A6FD4;
  --catalog-btn: #FFB020;
  --catalog-btn-hover: #E89E15;
  --bg-card: #FFFFFF;
  --text: #1A1A1A;
  --text-secondary: #6B7280;
  --border: #E5E5E5;
  --radius: 10px;
  --radius-sm: 6px;
  --radius-lg: 12px;
  --shadow: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-hover: 0 4px 16px rgba(0,0,0,0.1);
  --transition: 180ms ease;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-page);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  font-size: 14px;
}

a { text-decoration: none; color: inherit; }

.container { max-width: 1280px; margin: 0 auto; padding: 0 16px; }

/* ===== HEADER ===== */
.site-header {
  background: var(--bg-header);
  position: sticky;
  top: 0;
  z-index: 100;
}
.site-header .container {
  display: flex;
  align-items: center;
  gap: 16px;
  height: 60px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.logo img {
  width: 32px;
  height: 32px;
  border-radius: 6px;
}
.logo-text {
  font-weight: 800;
  font-size: 20px;
  color: #FFFFFF;
  letter-spacing: -0.5px;
  white-space: nowrap;
}
.logo-text span { color: var(--accent); }

.catalog-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--catalog-btn);
  color: #1A1A1A;
  font-weight: 600;
  font-size: 14px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  white-space: nowrap;
  flex-shrink: 0;
}
.catalog-btn:hover { background: var(--catalog-btn-hover); }
.burger { display: flex; flex-direction: column; gap: 3px; }
.burger span { width: 16px; height: 2px; background: #1A1A1A; border-radius: 1px; }

.search-bar {
  flex: 1;
  display: flex;
  align-items: center;
  background: #FFFFFF;
  border-radius: var(--radius-sm);
  overflow: hidden;
  max-width: 600px;
}
.search-bar input {
  flex: 1;
  border: none;
  padding: 10px 16px;
  font-size: 14px;
  outline: none;
  font-family: inherit;
}
.search-btn {
  background: var(--accent);
  border: none;
  padding: 10px 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.search-btn:hover { background: var(--accent-hover); }
.search-icon {
  width: 18px;
  height: 18px;
  border: 2px solid #FFF;
  border-radius: 50%;
  position: relative;
}
.search-icon::after {
  content: '';
  position: absolute;
  right: -5px;
  bottom: -3px;
  width: 8px;
  height: 2px;
  background: #FFF;
  transform: rotate(45deg);
}

/* ===== CATEGORY NAV ===== */
.cat-nav {
  background: var(--bg-catnav);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.cat-nav .container {
  display: flex;
  gap: 4px;
  height: 44px;
  align-items: center;
}
.cat-nav a {
  display: flex;
  align-items: center;
  gap: 6px;
  color: rgba(255,255,255,0.7);
  font-size: 14px;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.cat-nav a:hover, .cat-nav a.active {
  color: #FFFFFF;
  background: rgba(255,255,255,0.08);
}
.cat-icon { font-size: 16px; }

/* ===== SECTIONS ===== */
.section { margin: 32px 0; }
.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}
.section-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
}
.section-link {
  color: var(--accent);
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
}
.section-link:hover { color: var(--accent-hover); }

/* ===== PRODUCT GRID ===== */
.products-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}
@media (max-width: 1024px) { .products-grid { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 768px)  { .products-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 480px)  { .products-grid { grid-template-columns: repeat(2, 1fr); } }

/* ===== PRODUCT CARD ===== */
.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.product-card:hover {
  box-shadow: var(--shadow-hover);
  border-color: #D0D0D0;
}
.card-link {
  display: flex;
  flex-direction: column;
  flex: 1;
}
.card-img {
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  font-weight: 800;
  color: rgba(255,255,255,0.9);
  text-shadow: 0 2px 8px rgba(0,0,0,0.2);
  overflow: hidden;
}
.card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.card-body {
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}
.card-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-sales {
  font-size: 12px;
  color: var(--text-secondary);
}
.card-price {
  font-size: 16px;
  font-weight: 700;
  color: var(--accent);
  margin-top: auto;
}
.card-buy {
  display: block;
  text-align: center;
  background: var(--accent);
  color: #FFFFFF;
  font-weight: 600;
  font-size: 14px;
  padding: 8px;
  transition: var(--transition);
}
.card-buy:hover { background: var(--accent-hover); }

/* ===== CATALOG PAGE ===== */
.breadcrumbs {
  padding: 16px 0;
  font-size: 13px;
  color: var(--text-secondary);
}
.breadcrumbs a { color: var(--accent); }
.breadcrumbs a:hover { text-decoration: underline; }
.breadcrumbs .sep { margin: 0 6px; color: #CCC; }
.breadcrumbs .current { color: var(--text); }

.catalog-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 8px;
}
.catalog-count {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

/* ===== PRODUCT PAGE ===== */
.product-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 24px;
  padding: 16px 0;
}
@media (max-width: 768px) {
  .product-layout { grid-template-columns: 1fr; }
}

.product-main { min-width: 0; }
.product-image {
  height: 400px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 80px;
  font-weight: 800;
  color: rgba(255,255,255,0.9);
  text-shadow: 0 4px 16px rgba(0,0,0,0.3);
  margin-bottom: 20px;
  overflow: hidden;
}
.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius);
}
.product-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.3;
  margin-bottom: 12px;
}
.product-stats {
  display: flex;
  gap: 20px;
  margin-bottom: 24px;
  font-size: 14px;
  color: var(--text-secondary);
}
.product-stat strong { color: var(--text); font-weight: 600; }

/* Tabs */
.product-tabs { margin-bottom: 32px; }
.tab-headers {
  display: flex;
  gap: 4px;
  border-bottom: 2px solid var(--border);
  margin-bottom: 20px;
}
.tab-header {
  padding: 10px 20px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: var(--transition);
}
.tab-header:hover { color: var(--text); }
.tab-header.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}
.tab-content { display: none; }
.tab-content.active { display: block; }

/* Description */
.product-description {
  font-size: 15px;
  line-height: 1.8;
  color: #333;
}
.product-description p {
  margin-bottom: 14px;
}
.product-description p:last-child { margin-bottom: 0; }

/* Reviews */
.reviews-summary {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  padding: 16px;
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}
.rating-big {
  font-size: 28px;
  font-weight: 800;
  color: var(--accent);
}
.rating-stars { font-size: 18px; color: #FFB020; }
.rating-count { font-size: 14px; color: var(--text-secondary); }

.reviews-list { display: flex; flex-direction: column; gap: 12px; }
.review-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}
.review-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
}
.review-stars { color: #FFB020; font-size: 14px; }
.review-date { font-size: 13px; color: var(--text-secondary); }
.review-text { font-size: 14px; line-height: 1.6; color: #333; }
.no-reviews { color: var(--text-secondary); padding: 16px 0; }

/* Related */
.related-section { margin-top: 40px; }
.related-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 16px;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
}
@media (max-width: 768px) { .related-grid { grid-template-columns: repeat(2, 1fr); } }

/* Buy box (sidebar) */
.product-aside { min-width: 0; }
.buy-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  position: sticky;
  top: 76px;
}
.buy-price {
  font-size: 32px;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 16px;
}
.buy-btn {
  display: block;
  text-align: center;
  background: var(--accent);
  color: #FFFFFF;
  font-weight: 700;
  font-size: 16px;
  padding: 14px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  margin-bottom: 20px;
}
.buy-btn:hover { background: var(--accent-hover); }
.buy-btn.disabled { background: #CCC; pointer-events: none; }
.buy-badges { display: flex; flex-direction: column; gap: 10px; }
.buy-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text);
}
.badge-icon {
  width: 20px;
  height: 20px;
  background: #E8F5E9;
  color: #27AE60;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
}

/* ===== SEARCH PAGE ===== */
.search-page { margin: 20px 0; }
.search-page input {
  width: 100%;
  padding: 14px 20px;
  font-size: 16px;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  outline: none;
  font-family: inherit;
  margin-bottom: 16px;
}
.search-page input:focus { border-color: var(--accent); }

/* ===== FOOTER ===== */
.site-footer {
  background: var(--bg-header);
  color: rgba(255,255,255,0.6);
  margin-top: 60px;
  padding: 40px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 24px;
}
.footer-col h4 {
  color: #FFFFFF;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 12px;
}
.footer-col a {
  display: block;
  color: rgba(255,255,255,0.5);
  font-size: 14px;
  padding: 4px 0;
  transition: var(--transition);
}
.footer-col a:hover { color: #FFFFFF; }
.footer-about {
  color: rgba(255,255,255,0.4);
  font-size: 13px;
  line-height: 1.6;
}
.footer-bottom {
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.08);
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,0.4);
}
@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr; gap: 20px; }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .site-header .container { flex-wrap: wrap; height: auto; padding: 10px 16px; gap: 10px; }
  .search-bar { order: 3; flex-basis: 100%; max-width: none; }
  .catalog-btn { padding: 6px 12px; font-size: 13px; }
  .logo-text { font-size: 18px; }
  .product-image { height: 200px; font-size: 60px; }
  .product-title { font-size: 18px; }
  .buy-box { position: static; }
}

@media (max-width: 480px) {
  .products-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .card-img { height: 100px; font-size: 36px; }
  .card-name { font-size: 12px; }
  .card-price { font-size: 14px; }
  .section-title { font-size: 18px; }
}