:root {
  --bg-primary: #0b0f19;
  --bg-secondary: #111827;
  --bg-card: rgba(19, 27, 46, 0.75);
  --accent: #10b981;
  --accent-rgb: 16, 185, 129;
  --accent-cyan: #06b6d4;
  --text-primary: #f8fafc;
  --text-muted: #94a3b8;
  --border: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(16, 185, 129, 0.5);
  --shadow-glow: 0 10px 30px rgba(16, 185, 129, 0.15);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  line-height: 1.6;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* Ambient Glow Background */
.ambient-glow-1 {
  position: fixed;
  top: -150px;
  left: 20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.12) 0%, transparent 70%);
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}

.ambient-glow-2 {
  position: fixed;
  bottom: 0;
  right: 10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.1) 0%, transparent 70%);
  filter: blur(90px);
  pointer-events: none;
  z-index: 0;
}

/* Store Navigation Bar */
.store-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 15, 25, 0.82);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 16px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.store-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--text-primary);
  text-decoration: none;
}

.store-brand i {
  color: var(--accent);
  font-size: 1.4rem;
}

.store-nav-links {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-link-btn {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 600;
  transition: color 0.2s ease;
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-link-btn:hover {
  color: var(--text-primary);
}

.cart-toggle-btn {
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.35);
  color: var(--accent);
  padding: 8px 18px;
  border-radius: 30px;
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s ease;
}

.cart-toggle-btn:hover {
  background: rgba(16, 185, 129, 0.25);
  transform: translateY(-1px);
}

.cart-badge {
  background: var(--accent);
  color: #0b0f19;
  border-radius: 50%;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 900;
}

/* Hero Section */
.store-hero {
  text-align: center;
  padding: 60px 20px 40px;
  position: relative;
  z-index: 1;
}

.store-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.25);
  border-radius: 30px;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.store-hero h1 {
  font-size: 2.8rem;
  font-weight: 900;
  letter-spacing: -1px;
  margin-bottom: 14px;
  background: linear-gradient(135deg, #fff 40%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.store-hero p {
  color: var(--text-muted);
  max-width: 620px;
  margin: 0 auto 30px;
  font-size: 1.05rem;
}

/* Category Filter Tabs & Currency Switcher */
.store-controls-row {
  max-width: 1200px;
  margin: 0 auto 36px;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  position: relative;
  z-index: 2;
}

.category-tabs {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.cat-tab-btn {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 8px 18px;
  border-radius: 30px;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.cat-tab-btn.active, .cat-tab-btn:hover {
  background: var(--accent);
  color: #0b0f19;
  border-color: var(--accent);
  font-weight: 700;
}

.currency-toggle {
  display: flex;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 30px;
  padding: 4px;
}

.currency-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
}

.currency-btn.active {
  background: rgba(16, 185, 129, 0.2);
  color: var(--accent);
}

/* Product Grid */
.products-grid {
  max-width: 1200px;
  margin: 0 auto 60px;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 28px;
  position: relative;
  z-index: 2;
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  backdrop-filter: blur(12px);
  border-radius: var(--radius-md);
  padding: 28px;
  display: flex;
  flex-direction: column;
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
}

.product-card:hover {
  border-color: rgba(var(--accent-rgb), 0.4);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 20px;
}

.icon-box {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.15) 0%, rgba(6, 182, 212, 0.15) 100%);
  border: 1px solid rgba(16, 185, 129, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1.5rem;
}

.product-badge {
  font-size: 0.72rem;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: 20px;
  background: rgba(16, 185, 129, 0.12);
  color: var(--accent);
  border: 1px solid rgba(16, 185, 129, 0.3);
  text-transform: uppercase;
}

.product-title {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.product-tagline {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 18px;
  line-height: 1.5;
}

.feature-list {
  list-style: none;
  font-size: 0.82rem;
  color: #cbd5e1;
  margin-bottom: 22px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.feature-list li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.feature-list li i {
  color: var(--accent);
  font-size: 0.75rem;
}

.product-footer {
  margin-top: auto;
  padding-top: 18px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.price-box {
  display: flex;
  flex-direction: column;
}

.price-val {
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--text-primary);
}

.price-sub {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.card-actions {
  display: flex;
  gap: 8px;
}

.btn-add-cart {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: white;
  border: none;
  padding: 9px 18px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
}

.btn-add-cart:hover {
  opacity: 0.92;
  transform: translateY(-1px);
}

/* Slide-out Cart Drawer */
.cart-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(6px);
  z-index: 200;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.cart-overlay.open {
  opacity: 1;
  visibility: visible;
}

.cart-drawer {
  position: fixed;
  top: 0;
  right: -480px;
  width: 440px;
  max-width: 90vw;
  height: 100vh;
  background: #111827;
  border-left: 1px solid var(--border);
  z-index: 210;
  display: flex;
  flex-direction: column;
  transition: right 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
}

.cart-drawer.open {
  right: 0;
}

.cart-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.cart-header h3 {
  font-size: 1.15rem;
  font-weight: 800;
}

.close-cart-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
}

.cart-body {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.cart-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  padding: 14px;
  border-radius: var(--radius-sm);
}

.cart-item-title {
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 4px;
}

.cart-item-price {
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 700;
}

.remove-item-btn {
  background: none;
  border: none;
  color: #ef4444;
  cursor: pointer;
  padding: 6px;
  font-size: 0.9rem;
}

.cart-footer {
  padding: 24px;
  border-top: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.2);
}

.cart-total-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 20px;
}

.checkout-inputs input {
  width: 100%;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: white;
  margin-bottom: 12px;
  font-size: 0.88rem;
}

.checkout-inputs input:focus {
  outline: none;
  border-color: var(--accent);
}

.btn-checkout {
  width: 100%;
  padding: 12px;
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: white;
  border: none;
  border-radius: 8px;
  font-weight: 800;
  font-size: 0.95rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.2s ease;
}

.btn-checkout:hover {
  opacity: 0.92;
  transform: translateY(-1px);
}