:root {
  --bg: #000;
  --panel: rgba(255, 255, 255, 0.04);
  --panel-2: rgba(255, 255, 255, 0.06);
  --text: #fff;
  --muted: rgba(255, 255, 255, 0.7);
  --border: rgba(255, 255, 255, 0.12);
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
  --radius: 14px;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'Poppins', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  color-scheme: dark;
}

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

.app { min-height: 100vh; display: flex; flex-direction: column; }
.container { width: min(1100px, calc(100% - 32px)); margin: 24px auto 40px; flex: 1; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(10px);
  background: rgba(0, 0, 0, 0.7);
  border-bottom: 1px solid var(--border);
}
.topbar { display: flex; gap: 14px; align-items: center; padding: 14px 16px; }
.topbar-left { flex: 0 0 auto; }
.topbar-menu { flex: 1 1 auto; display: flex; justify-content: center; }
.topbar-right { flex: 0 0 auto; display: flex; align-items: center; justify-content: flex-end; }
.brand { display: flex; align-items: center; gap: 10px; }
.brand-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--accent-color); box-shadow: 0 0 16px var(--accent-color); }
.brand-name { font-weight: 700; letter-spacing: 0.3px; }
.topbar-nav { flex: 1 1 auto; display: flex; justify-content: center; align-items: center; }
.topbar-nav > a { display: none; color: var(--muted); font-weight: 600; font-size: 14px; padding: 8px 10px; border-radius: 10px; }
.topbar-nav > a:hover { color: var(--text); background: rgba(255,255,255,0.06); }

.lang-switch { display:flex; align-items:center; gap: 8px; }
.lang-switch select {
  background: rgba(255,255,255,0.03);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px 10px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.panel.pad { padding: 18px; }

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
@media (max-width: 900px) { .grid { grid-template-columns: repeat(2, 1fr);} }
@media (max-width: 560px) { .grid { grid-template-columns: 1fr;} }

.card {
  display: block;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}
.card:hover { transform: translateY(-2px); border-color: rgba(var(--accent-rgb),0.35); background: var(--panel-2); }
.card-img { width: 100%; height: 180px; object-fit: cover; display: block; background: #111; }
.card-body { padding: 14px; }
.card-title { font-weight: 700; font-size: 14px; margin: 0 0 8px; }
.card-meta { display:flex; justify-content: space-between; align-items:center; gap: 10px; }
.price { color: var(--accent-color); font-weight: 800; }
.muted { color: var(--muted); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--accent-color);
  color: #000;
  border: none;
  border-radius: 12px;
  padding: 10px 14px;
  font-weight: 800;
  cursor: pointer;
}
.btn.pay { background: #2d6bff; color: #fff; }
.btn.pay:hover { filter: brightness(1.05); }
.btn.secondary { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn.secondary.is-active { border-color: rgba(var(--accent-rgb), 0.45); box-shadow: 0 0 0 1px rgba(var(--accent-rgb), 0.18), 0 0 18px rgba(var(--accent-rgb), 0.12); }
.btn.danger { background: #ff3b3b; color: #000; }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }

.row { display:flex; gap: 14px; align-items: stretch; }
@media (max-width: 800px) { .row { flex-direction: column; } }
.row-between { justify-content: space-between; align-items: center; flex-wrap: wrap; }
.row-center { justify-content: center; align-items: center; flex-wrap: wrap; }
.grow { flex: 1; }

.field { display:flex; flex-direction: column; gap: 6px; margin-bottom: 12px; }
.field label { font-weight: 700; font-size: 13px; color: var(--muted); }
.field input, .field textarea, .field select {
  background: rgba(255,255,255,0.03);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 12px;
  outline: none;
}

.field select {
  color-scheme: dark;
}

.field select option {
  background: #0b0b0b;
  color: #ffffff;
}
.field textarea { min-height: 90px; resize: vertical; }
.help { font-size: 12px; color: rgba(255,255,255,0.6); }

.page-title { margin: 0 0 10px; }
.page-subtitle { margin: 0; }
.section-title { margin: 18px 0 10px; }
.spacer-12 { height: 12px; }
.spacer-14 { height: 14px; }

.search-form { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.search-input { min-width: 220px; }

.side-panel { width: min(420px, 100%); }
.product-media { flex: 1; overflow: hidden; display: flex; align-items: center; justify-content: center; padding: 0; }
.product-media__frame {
  width: 100%;
  height: min(72vh, 520px);
  background: #000;
  overflow: hidden;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.12);
}
.product-media__img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
}
.product-desc { margin-bottom: 14px; line-height: 1.5; }
.product-feats { margin-bottom: 14px; }
.product-feats .feat-item { white-space: normal; }
.price-xl { font-size: 20px; margin-bottom: 10px; }
.price-container { margin-bottom: 14px; }
.price-usd { 
  color: rgba(255, 255, 255, 0.8); 
  font-size: 16px; 
  font-weight: 600; 
  margin-top: 4px;
}
.btn-primary { 
  background: #007bff; 
  color: #fff; 
  border: none; 
}
.btn-primary:hover { 
  background: #0056b3; 
  filter: brightness(1.05); 
}

.variant-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 10px;
}

.variant-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 14px;
  padding: 12px;
}

.variant-card.is-active {
  border-color: rgba(45, 107, 255, 0.55);
  box-shadow: 0 0 0 1px rgba(45, 107, 255, 0.25), 0 0 18px rgba(45, 107, 255, 0.25);
}

.variant-card__top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 10px;
}

.variant-card__label {
  font-weight: 900;
  letter-spacing: 0.2px;
}

.variant-card__price {
  font-weight: 900;
  color: rgba(255,255,255,0.92);
}

.buy-glow {
  width: 100%;
  background: linear-gradient(135deg, #2d6bff, #00d4ff);
  color: #fff;
  border: 0;
  box-shadow: 0 0 14px rgba(45, 107, 255, 0.35), 0 0 26px rgba(0, 212, 255, 0.18);
}

.buy-glow:hover {
  filter: brightness(1.05);
  box-shadow: 0 0 16px rgba(45, 107, 255, 0.5), 0 0 34px rgba(0, 212, 255, 0.28);
}

.cart-qty-cell { width: 110px; }
.cart-qty-input { width: 90px; }
.cart-actions { display:flex; justify-content: space-between; align-items:center; margin-top: 12px; gap: 10px; flex-wrap: wrap; }
.cart-actions-buttons { display:flex; gap: 10px; flex-wrap: wrap; justify-content: flex-end; }

.summary-total { display:flex; justify-content: space-between; margin-top: 10px; }

.prewrap { white-space: pre-wrap; margin: 0; }
.prewrap { color: rgba(255,255,255,0.92); line-height: 1.55; }

.center-narrow { max-width: 520px; margin: 0 auto; }
.no-margin { margin: 0; }
.btn-row { display:flex; gap: 10px; flex-wrap: wrap; }
.preview-panel { width: min(360px, 100%); }
.preview-img { height: 200px; }
.price-xxl { font-size: 26px; }
.section-title-first { margin-top: 0; }
.method-card { margin-bottom: 12px; }

.table { width: 100%; border-collapse: collapse; }
.table th, .table td { padding: 10px 10px; border-bottom: 1px solid rgba(255,255,255,0.08); font-size: 14px; vertical-align: top; }
.table th { text-align: left; color: var(--muted); font-weight: 800; }
.table tr:hover td { background: rgba(255,255,255,0.03); }

.footer { padding: 18px 16px; border-top: 1px solid var(--border); color: rgba(255,255,255,0.6); text-align: center; }

.notice {
  border: 1px solid rgba(var(--accent-rgb), 0.35);
  background: rgba(var(--accent-rgb), 0.08);
  border-radius: var(--radius);
  padding: 12px 14px;
  margin-bottom: 14px;
}
.error {
  border: 1px solid rgba(255, 59, 59, 0.35);
  background: rgba(255, 59, 59, 0.08);
  border-radius: var(--radius);
  padding: 12px 14px;
  margin-bottom: 14px;
}