/* ==========================================
   PriceEdge Store Styles
   v-Dollars cashback model
   ========================================== */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=DM+Sans:wght@400;500;600&display=swap');

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

:root {
  --bg-dark: #0a0a0f;
  --bg-card: #12121a;
  --bg-card-hover: #181825;
  --accent: #00e5a0;
  --accent-dim: rgba(0, 229, 160, 0.12);
  --accent-glow: rgba(0, 229, 160, 0.3);
  --accent-strong: rgba(0, 229, 160, 0.5);
  --text-primary: #f0f0f5;
  --text-secondary: #8888a0;
  --text-muted: #55556a;
  --border: rgba(255,255,255,0.06);
  --border-accent: rgba(0, 229, 160, 0.2);
  --danger: #ff4757;
  --warning: #ffa502;
  --success: #00e5a0;
  --eth-purple: #8A92B2;
}

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

/* Grid overlay */
body::before {
  content: '';
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
  background-size: 80px 80px;
  pointer-events: none;
  z-index: 0;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* ==========================================
   Navigation
   ========================================== */
.store-nav {
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border);
  margin-bottom: 40px;
}

.store-nav .logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.5px;
  text-decoration: none;
}

.store-nav .logo span {
  color: var(--accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a {
  font-size: 0.9rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s;
  position: relative;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--accent);
}

.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
}

.cart-link {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--accent-dim);
  padding: 8px 16px;
  border-radius: 8px;
  font-weight: 500;
  transition: all 0.2s;
}

.cart-link:hover {
  background: rgba(0, 229, 160, 0.2) !important;
}

.cart-count {
  background: var(--accent);
  color: var(--bg-dark);
  font-size: 0.7rem;
  font-weight: 700;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ==========================================
   Page Headers
   ========================================== */
.page-header {
  margin-bottom: 48px;
}

.page-header .label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 12px;
}

.page-header h1 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -1.5px;
  line-height: 1.15;
}

.page-header h1 em {
  font-style: normal;
  color: var(--accent);
}

.page-header .subtitle {
  color: var(--text-secondary);
  margin-top: 12px;
  font-size: 1.05rem;
  max-width: 600px;
}

/* ==========================================
   Category Filter
   ========================================== */
.category-filter {
  display: flex;
  gap: 8px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}

.filter-btn {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.85rem;
  padding: 8px 20px;
  border-radius: 24px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;
}

.filter-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.filter-btn.active {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
}

/* ==========================================
   Product Grid
   ========================================== */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
  margin-bottom: 80px;
}

.product-card {
  background: var(--bg-card);
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all 0.3s ease;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 229, 160, 0.08);
}

.product-image {
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  position: relative;
  overflow: hidden;
}

.product-image::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.15;
}

/* v-Dollar Badge (replaces old edge-badge) */
.vdollar-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: var(--accent);
  color: var(--bg-dark);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 6px;
  letter-spacing: 0.3px;
}

.product-info {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-category-tag {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.product-name {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.3px;
  margin-bottom: 12px;
  line-height: 1.3;
}

.product-pricing {
  margin-top: auto;
}

.price-row {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 8px;
}

/* Main price (retail, what customer pays) */
.price-main {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
}

/* v-Dollar tag on product cards */
.vdollar-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 3px 10px;
  border-radius: 4px;
}

/* Edge Score Bar */
.edge-score {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

.edge-score-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.edge-score-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.edge-score-value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
}

.edge-score-bar {
  height: 4px;
  background: rgba(255,255,255,0.06);
  border-radius: 2px;
  overflow: hidden;
}

.edge-score-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-dim), var(--accent));
  border-radius: 2px;
  transition: width 0.8s ease;
}

/* ==========================================
   Product Detail Page
   ========================================== */
.product-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  margin-bottom: 80px;
}

.product-detail-image {
  height: 400px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 8rem;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
}

.product-detail-image::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.12;
}

.detail-info {
  display: flex;
  flex-direction: column;
}

.detail-category {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 12px;
}

.detail-name {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -1px;
  line-height: 1.2;
  margin-bottom: 16px;
}

.detail-description {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 28px;
}

/* v-Dollar Engine (replaces Discount Engine) */
.vdollar-engine {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  margin-bottom: 24px;
}

.engine-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.engine-icon {
  width: 36px;
  height: 36px;
  background: var(--accent-dim);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.engine-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: -0.3px;
}

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

.vdollar-line {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  font-size: 0.9rem;
}

.vdollar-line .label {
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.vdollar-line .label .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.5;
}

.vdollar-line .value {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
}

.vdollar-line .value.earned {
  color: var(--accent);
}

.vdollar-line .value.price-highlight {
  color: var(--text-primary);
  font-size: 1.1rem;
  font-weight: 700;
}

.vdollar-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 16px;
  margin-top: 8px;
  border-top: 2px solid var(--accent);
}

.vdollar-total .label {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem;
  font-weight: 700;
}

.vdollar-total .value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent);
}

/* v-Dollars Earned Banner */
.vdollar-earned-banner {
  background: var(--accent-dim);
  border: 1px solid var(--border-accent);
  border-radius: 10px;
  padding: 14px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.vdollar-earned-text {
  font-size: 0.9rem;
  color: var(--accent);
  font-weight: 500;
}

.vdollar-earned-amount {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
}

/* Features */
.features-list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 28px;
}

.features-list li {
  font-size: 0.85rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.features-list li::before {
  content: '';
  width: 5px;
  height: 5px;
  background: var(--accent);
  border-radius: 50%;
  flex-shrink: 0;
}

/* Action buttons */
.action-buttons {
  display: flex;
  gap: 12px;
  margin-top: auto;
}

.btn {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  text-align: center;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.btn-primary {
  background: var(--accent);
  color: var(--bg-dark);
  flex: 1;
}

.btn-primary:hover {
  background: #00cc8e;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px var(--accent-glow);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-danger {
  background: rgba(255, 71, 87, 0.1);
  color: var(--danger);
  border: 1px solid rgba(255, 71, 87, 0.2);
}

.btn-danger:hover {
  background: rgba(255, 71, 87, 0.2);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.82rem;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

/* ==========================================
   Cart Page
   ========================================== */
.cart-items {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-bottom: 24px;
}

.cart-item {
  background: var(--bg-card);
  padding: 20px 24px;
  display: grid;
  grid-template-columns: 60px 1fr auto auto;
  align-items: center;
  gap: 20px;
}

.cart-item:first-child { border-radius: 16px 16px 0 0; }
.cart-item:last-child { border-radius: 0 0 16px 16px; }
.cart-item:only-child { border-radius: 16px; }

.cart-item-icon {
  width: 60px;
  height: 60px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
}

.cart-item-details h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.3px;
  margin-bottom: 4px;
}

.cart-item-details .meta {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.cart-item-qty {
  display: flex;
  align-items: center;
  gap: 12px;
}

.qty-btn {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-primary);
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.qty-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.qty-value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  min-width: 24px;
  text-align: center;
}

.cart-item-price {
  text-align: right;
  min-width: 100px;
}

.cart-item-price .item-price {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.cart-item-price .item-vdollars {
  font-size: 0.8rem;
  color: var(--accent);
  font-weight: 600;
}

/* Cart Summary */
.cart-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 40px;
  margin-bottom: 80px;
}

.cart-summary {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  height: fit-content;
  position: sticky;
  top: 24px;
}

.summary-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.summary-line {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  font-size: 0.9rem;
}

.summary-line .label { color: var(--text-secondary); }
.summary-line .value { font-weight: 500; }

.summary-line.vdollars-earned .value {
  color: var(--accent);
  font-weight: 600;
}

.summary-total {
  display: flex;
  justify-content: space-between;
  padding-top: 16px;
  margin-top: 12px;
  border-top: 2px solid var(--accent);
}

.summary-total .label {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem;
  font-weight: 700;
}

.summary-total .value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent);
}

/* ==========================================
   ETH Wallet Input
   ========================================== */
.eth-wallet-section {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.eth-wallet-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 10px;
}

.eth-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: rgba(138, 146, 178, 0.15);
  border-radius: 6px;
  padding: 4px;
}

.eth-wallet-input {
  width: 100%;
  font-family: 'Space Grotesk', monospace;
  font-size: 0.85rem;
  padding: 12px 16px;
  background: var(--bg-dark);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-primary);
  outline: none;
  transition: all 0.2s;
}

.eth-wallet-input::placeholder {
  color: var(--text-muted);
}

.eth-wallet-input:focus {
  border-color: var(--eth-purple);
  box-shadow: 0 0 0 3px rgba(138, 146, 178, 0.15);
}

.eth-wallet-input.valid {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.eth-wallet-input.error {
  border-color: var(--danger);
  box-shadow: 0 0 0 3px rgba(255, 71, 87, 0.15);
}

.eth-wallet-hint {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 8px;
  transition: color 0.2s;
}

.eth-wallet-hint.valid {
  color: var(--accent);
}

.eth-wallet-hint.error {
  color: var(--danger);
}

.checkout-btn {
  width: 100%;
  margin-top: 20px;
  padding: 16px;
  font-size: 1rem;
}

.secure-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: 14px;
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Empty Cart */
.empty-cart {
  text-align: center;
  padding: 80px 0;
}

.empty-cart-icon {
  font-size: 4rem;
  margin-bottom: 20px;
  opacity: 0.3;
}

.empty-cart h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.empty-cart p {
  color: var(--text-secondary);
  margin-bottom: 28px;
}

/* ==========================================
   Success Page
   ========================================== */
.success-page {
  text-align: center;
  padding: 100px 0;
  max-width: 560px;
  margin: 0 auto;
}

.success-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--accent-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  margin: 0 auto 28px;
  animation: successPop 0.5s ease;
}

@keyframes successPop {
  0% { transform: scale(0); }
  60% { transform: scale(1.2); }
  100% { transform: scale(1); }
}

.success-page h1 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2rem;
  margin-bottom: 16px;
}

.success-page p {
  color: var(--text-secondary);
  margin-bottom: 32px;
  font-size: 1.05rem;
}

/* ==========================================
   Loading States
   ========================================== */
.skeleton {
  background: linear-gradient(90deg, var(--bg-card) 25%, var(--bg-card-hover) 50%, var(--bg-card) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 8px;
}

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

.loading-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.loading-card {
  height: 380px;
  border-radius: 16px;
}

/* ==========================================
   Footer
   ========================================== */
.store-footer {
  padding: 40px 0;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 40px;
}

.store-footer .footer-text {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.store-footer .footer-links {
  display: flex;
  gap: 24px;
}

.store-footer .footer-links a {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}

.store-footer .footer-links a:hover { color: var(--text-secondary); }

/* ==========================================
   Toast Notifications
   ========================================== */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  background: var(--bg-card);
  border: 1px solid var(--border-accent);
  border-radius: 12px;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text-primary);
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
  animation: toastIn 0.3s ease;
  max-width: 320px;
}

.toast.leaving {
  animation: toastOut 0.3s ease forwards;
}

@keyframes toastIn {
  from { transform: translateX(100px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

@keyframes toastOut {
  from { transform: translateX(0); opacity: 1; }
  to { transform: translateX(100px); opacity: 0; }
}

/* ==========================================
   Responsive
   ========================================== */
@media (max-width: 768px) {
  .store-nav { flex-wrap: wrap; gap: 12px; }
  .nav-links { gap: 16px; }
  .product-grid { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
  .product-detail { grid-template-columns: 1fr; gap: 30px; }
  .product-detail-image { height: 280px; }
  .features-list { grid-template-columns: 1fr; }
  .cart-layout { grid-template-columns: 1fr; }
  .cart-item { grid-template-columns: 50px 1fr auto; }
  .cart-item-price { grid-column: 2 / -1; }
}

@media (max-width: 480px) {
  .product-grid { grid-template-columns: 1fr; }
  .action-buttons { flex-direction: column; }
}