/* ═══════════════════════════════════════════════════════════
   SuperX Mart – Buy Page Styles
   Premium Dark Glassmorphism Marketplace UI
   ═══════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
  --navy: #0a0a2a;
  --navy-light: #0f1035;
  --navy-card: #111340;
  --neon-blue: #00c8ff;
  --neon-blue-dim: rgba(0,200,255,0.15);
  --neon-glow: 0 0 25px rgba(0,200,255,0.35);
  --glass-bg: rgba(255,255,255,0.04);
  --glass-border: rgba(255,255,255,0.08);
  --text-primary: #f0f4ff;
  --text-secondary: #8b95b5;
  --text-muted: #5a6380;
  --green: #00e676;
  --amber: #ffb300;
  --danger: #ef4444;
  --card-radius: 18px;
  --transition: all 0.35s cubic-bezier(.25,.8,.25,1);
}

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

body.buy-page {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--navy);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── Floating Background Gradient ── */
body.buy-page::before {
  content: '';
  position: fixed;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(ellipse at 20% 50%, rgba(0,200,255,0.06) 0%, transparent 50%),
              radial-gradient(ellipse at 80% 20%, rgba(100,0,255,0.04) 0%, transparent 50%),
              radial-gradient(ellipse at 50% 80%, rgba(0,200,255,0.03) 0%, transparent 50%);
  animation: floatGradient 20s ease-in-out infinite;
  z-index: 0;
  pointer-events: none;
}

@keyframes floatGradient {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  33% { transform: translate(30px, -30px) rotate(1deg); }
  66% { transform: translate(-20px, 20px) rotate(-1deg); }
}

/* ── Page Container ── */
.buy-container {
  position: relative;
  z-index: 1;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ── Top Bar ── */
.buy-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
  border-bottom: 1px solid var(--glass-border);
  margin-bottom: 24px;
}

.buy-topbar .back-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  padding: 10px 18px;
  border-radius: 14px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  backdrop-filter: blur(10px);
}

.buy-topbar .back-btn:hover {
  background: var(--neon-blue-dim);
  border-color: var(--neon-blue);
  box-shadow: var(--neon-glow);
}

.buy-topbar h1 {
  font-size: 28px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--neon-blue), #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.buy-topbar .results-count {
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
}

/* ── Search & Filter Bar ── */
.buy-search-bar {
  display: flex;
  gap: 12px;
  margin-bottom: 30px;
  flex-wrap: wrap;
}

.buy-search-bar .search-wrap {
  flex: 1;
  min-width: 250px;
  position: relative;
}

.buy-search-bar .search-wrap input {
  width: 100%;
  padding: 14px 14px 14px 46px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  color: var(--text-primary);
  font-size: 15px;
  font-weight: 500;
  backdrop-filter: blur(12px);
  transition: var(--transition);
  outline: none;
}

.buy-search-bar .search-wrap input:focus {
  border-color: var(--neon-blue);
  box-shadow: var(--neon-glow);
}

.buy-search-bar .search-wrap input::placeholder {
  color: var(--text-muted);
}

.buy-search-bar .search-wrap .search-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 16px;
}

.buy-search-bar .filter-chips {
  display: flex;
  gap: 10px;
  align-items: center;
}

.filter-chip {
  padding: 10px 18px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  backdrop-filter: blur(10px);
  white-space: nowrap;
}

.filter-chip:hover, .filter-chip.active {
  background: var(--neon-blue-dim);
  color: var(--neon-blue);
  border-color: var(--neon-blue);
}

/* ── Trust Banner ── */
.trust-banner {
  display: flex;
  align-items: center;
  gap: 30px;
  padding: 16px 24px;
  background: linear-gradient(135deg, rgba(0,200,255,0.08), rgba(100,0,255,0.05));
  border: 1px solid rgba(0,200,255,0.15);
  border-radius: 18px;
  margin-bottom: 30px;
  backdrop-filter: blur(12px);
  overflow-x: auto;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
}

.trust-item i {
  color: var(--neon-blue);
  font-size: 16px;
}

.trust-item .green { color: var(--green); }

/* ── Product Grid ── */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 22px;
  padding-bottom: 100px;
}

/* ── Product Card ── */
.product-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--card-radius);
  overflow: hidden;
  backdrop-filter: blur(16px);
  transition: var(--transition);
  cursor: pointer;
  position: relative;
}

.product-card:hover {
  transform: translateY(-8px);
  border-color: rgba(0,200,255,0.25);
  box-shadow: 0 20px 60px rgba(0,0,0,0.3), 0 0 30px rgba(0,200,255,0.12);
}

/* Image Container */
.product-card .img-wrap {
  position: relative;
  width: 100%;
  height: 220px;
  overflow: hidden;
  background: var(--navy-light);
}

.product-card .img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(.25,.8,.25,1);
}

.product-card:hover .img-wrap img {
  transform: scale(1.08);
}

/* Badges on Image */
.product-card .card-badges {
  position: absolute;
  top: 12px;
  left: 12px;
  display: flex;
  gap: 8px;
  z-index: 2;
}

.product-card .badge {
  padding: 5px 10px;
  border-radius: 8px;
  font-size: 11px;
  font-weight: 700;
  backdrop-filter: blur(10px);
}

.badge.verified {
  background: rgba(0,230,118,0.2);
  color: var(--green);
  border: 1px solid rgba(0,230,118,0.3);
}

.badge.trust {
  background: rgba(0,200,255,0.2);
  color: var(--neon-blue);
  border: 1px solid rgba(0,200,255,0.3);
}

/* Favorite Heart */
.product-card .fav-btn {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.45);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 50%;
  color: #fff;
  font-size: 16px;
  cursor: pointer;
  backdrop-filter: blur(8px);
  transition: var(--transition);
  z-index: 2;
}

.product-card .fav-btn:hover,
.product-card .fav-btn.liked {
  background: rgba(239,68,68,0.25);
  color: #ef4444;
  border-color: rgba(239,68,68,0.4);
}

/* Time Posted */
.product-card .time-badge {
  position: absolute;
  bottom: 12px;
  left: 12px;
  padding: 4px 10px;
  background: rgba(0,0,0,0.55);
  border-radius: 8px;
  font-size: 11px;
  font-weight: 500;
  color: #ccc;
  backdrop-filter: blur(6px);
  z-index: 2;
}

/* Card Content */
.product-card .card-body {
  padding: 16px 18px 18px;
}

.product-card .card-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.product-card .card-price {
  font-size: 20px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--neon-blue), #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 10px;
}

.product-card .card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.product-card .card-meta .location {
  display: flex;
  align-items: center;
  gap: 4px;
}

.product-card .card-meta .location i {
  color: var(--neon-blue);
  font-size: 11px;
}

/* Seller Info */
.product-card .seller-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 12px;
  border-top: 1px solid var(--glass-border);
}

.seller-row .seller-info {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
}

.seller-row .seller-info i {
  color: var(--green);
}

.seller-row .rating {
  display: flex;
  align-items: center;
  gap: 3px;
  font-size: 12px;
  font-weight: 600;
  color: var(--amber);
}

.seller-row .rating i {
  font-size: 11px;
}

/* ── Hover Overlay on Card ── */
.product-card .hover-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: rgba(10,10,42,0.75);
  backdrop-filter: blur(6px);
  opacity: 0;
  transition: opacity 0.35s ease;
  z-index: 3;
  border-radius: var(--card-radius);
}

.product-card:hover .hover-overlay {
  opacity: 1;
}

.hover-overlay .overlay-btn {
  padding: 10px 28px;
  border-radius: 12px;
  font-size: 13px;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: var(--transition);
}

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

.hover-overlay .overlay-btn.primary:hover {
  box-shadow: var(--neon-glow);
  transform: scale(1.05);
}

.hover-overlay .overlay-btn.secondary {
  background: rgba(255,255,255,0.1);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
}

.hover-overlay .overlay-btn.secondary:hover {
  background: rgba(255,255,255,0.2);
}

/* ── Skeleton Loader ── */
.skeleton-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--card-radius);
  overflow: hidden;
  backdrop-filter: blur(16px);
}

.skeleton-card .skel-img {
  width: 100%;
  height: 220px;
  background: linear-gradient(90deg, var(--navy-light) 25%, var(--navy-card) 50%, var(--navy-light) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

.skeleton-card .skel-body {
  padding: 16px 18px;
}

.skeleton-card .skel-line {
  height: 14px;
  border-radius: 6px;
  margin-bottom: 10px;
  background: linear-gradient(90deg, var(--navy-light) 25%, var(--navy-card) 50%, var(--navy-light) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

.skeleton-card .skel-line.w60 { width: 60%; }
.skeleton-card .skel-line.w40 { width: 40%; height: 20px; }
.skeleton-card .skel-line.w80 { width: 80%; }

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .products-grid {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 14px;
  }
  .product-card .img-wrap { height: 160px; }
  .product-card .card-title { font-size: 14px; }
  .product-card .card-price { font-size: 17px; }
  .buy-topbar h1 { font-size: 20px; }
  .trust-banner { gap: 16px; padding: 12px 16px; }
  .buy-search-bar { flex-direction: column; }
  .buy-search-bar .filter-chips { overflow-x: auto; }
  .product-card .hover-overlay { display: none; }
}

@media (max-width: 480px) {
  .products-grid {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }
  .product-card .img-wrap { height: 140px; }
  .product-card .card-body { padding: 10px 12px 14px; }
  .product-card .seller-row { display: none; }
}