/* ============================================
   WILBAK Shop — Shop-specific styles
   Extends the main design system (style.css)
   ============================================ */

/* Dark mode overrides for shop */
html.dark {
  --color-canvas: #1d1d1f;
  --color-canvas-parchment: #1d1d1f;
  --color-ink: #f5f5f7;
  --color-body: #f5f5f7;
  --color-ink-muted-80: #d2d2d7;
  --color-ink-muted-48: #86868b;
  --color-divider-soft: #2a2a2c;
  --color-hairline: #333335;
  --color-surface-pearl: #1d1d1f;
}

html.dark body { background-color: var(--color-canvas); color: var(--color-body); }
html.dark .sub-nav { background-color: rgba(29, 29, 31, 0.8); border-bottom-color: var(--color-hairline); }
html.dark .sub-nav-title { color: var(--color-ink); }
html.dark .sub-nav-links a { color: var(--color-ink); }
html.dark .footer { background-color: #1d1d1f; border-top: 1px solid var(--color-hairline); }
html.dark .footer-col a { color: var(--color-ink-muted-80); }

/* Screen system */
.screen { display: none; }
.screen.active { display: block; }
.fade-in { animation: fadeIn 0.3s ease-in-out; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

/* Layout containers */
.shop-main { padding: 24px 0 48px; }
.shop-container { max-width: 1200px; margin: 0 auto; padding: 0 22px; }
.shop-container-sm { max-width: 780px; margin: 0 auto; padding: 0 22px; }
.shop-container-xs { max-width: 480px; margin: 0 auto; padding: 0 22px; }

/* Back button */
.shop-back-btn {
  background: none;
  border: none;
  font-size: 14px;
  color: var(--color-primary);
  cursor: pointer;
  margin-bottom: 16px;
  padding: 0;
}
.shop-back-btn:hover { text-decoration: underline; }

/* Hero grid */
.shop-hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  padding: 48px 0;
}
.shop-hero-text { text-align: left; }
.shop-hero-image img { border-radius: var(--r-lg); width: 100%; object-fit: cover; }

/* Features grid */
.shop-features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 48px;
}
.shop-feature-card {
  padding: 20px;
  background-color: var(--color-canvas-parchment);
  border: 1px solid var(--color-hairline);
  border-radius: var(--r-md);
  text-align: center;
}

/* Filters */
.shop-filters {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.shop-search-input {
  flex: 1;
  min-width: 200px;
  padding: 10px 16px;
  font-size: 17px;
  font-family: var(--font-text);
  border: 1px solid var(--color-hairline);
  border-radius: var(--r-sm);
  background-color: var(--color-canvas);
  color: var(--color-ink);
  outline: none;
}
.shop-search-input:focus { border-color: var(--color-primary); }
.shop-select {
  padding: 10px 16px;
  font-size: 17px;
  font-family: var(--font-text);
  border: 1px solid var(--color-hairline);
  border-radius: var(--r-sm);
  background-color: var(--color-canvas);
  color: var(--color-ink);
  outline: none;
  cursor: pointer;
}
.shop-select:focus { border-color: var(--color-primary); }
.shop-full-width { width: 100%; }

/* Builder layout */
.shop-builder-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.shop-filter-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.shop-builder-grid {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 24px;
}
.shop-builder-products { min-width: 0; }
.shop-product-list { display: flex; flex-direction: column; gap: 12px; }

/* Product card */
.shop-product-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px;
  background-color: var(--color-canvas);
  border: 1px solid var(--color-hairline);
  border-radius: var(--r-md);
}
.shop-product-info { flex: 1; min-width: 0; }
.shop-product-tags { display: flex; align-items: center; gap: 8px; margin-bottom: 4px; }
.shop-tag {
  font-size: 12px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--r-pill);
  background-color: var(--color-canvas-parchment);
  color: var(--color-ink-muted-80);
}
html.dark .shop-tag { background-color: var(--color-surface-tile-1); }
.shop-brand { font-size: 12px; color: var(--color-ink-muted-48); }

/* Quantity controls */
.shop-qty-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.shop-qty-btn {
  width: 32px;
  height: 32px;
  border-radius: var(--r-sm);
  border: 1px solid var(--color-hairline);
  background-color: var(--color-canvas-parchment);
  color: var(--color-ink);
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}
html.dark .shop-qty-btn { background-color: var(--color-surface-tile-1); }
.shop-qty-btn:hover { border-color: var(--color-primary); }
.shop-qty-display { width: 32px; text-align: center; font-weight: 600; }

/* Cart panel */
.shop-cart-panel {
  position: sticky;
  top: 110px;
  padding: 20px;
  background-color: var(--color-canvas);
  border: 1px solid var(--color-hairline);
  border-radius: var(--r-lg);
}
.shop-cart-list {
  max-height: 300px;
  overflow-y: auto;
  margin-bottom: 16px;
}
.shop-cart-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid var(--color-hairline);
}
.shop-cart-item:last-child { border-bottom: none; }

/* Totals */
.shop-cart-totals { margin-bottom: 16px; }
.shop-total-row {
  display: flex;
  justify-content: space-between;
  padding: 4px 0;
  font-size: 14px;
  color: var(--color-ink-muted-80);
}
.shop-total-bold {
  font-weight: 600;
  color: var(--color-ink);
  font-size: 17px;
  border-top: 1px solid var(--color-hairline);
  padding-top: 8px;
  margin-top: 4px;
}
.shop-total-large { font-size: 20px; }
.shop-full-btn { width: 100%; text-align: center; }

/* Banner */
.shop-banner {
  border-radius: var(--r-lg);
  overflow: hidden;
  margin-bottom: 24px;
  border: 1px solid var(--color-hairline);
}
.shop-banner img { width: 100%; max-height: 240px; object-fit: cover; object-position: top; }

/* Tiers */
.shop-tiers-container { display: flex; flex-direction: column; gap: 24px; }
.shop-tier-card {
  padding: 20px;
  background-color: var(--color-canvas);
  border: 1px solid var(--color-hairline);
  border-radius: var(--r-lg);
}
.shop-tier-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}
.shop-tier-badge {
  width: 32px;
  height: 32px;
  border-radius: var(--r-pill);
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
}
.shop-builds-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.shop-build-card {
  padding: 16px;
  border: 1px solid var(--color-hairline);
  border-radius: var(--r-md);
  transition: border-color 0.2s;
}
.shop-build-card:hover { border-color: var(--color-primary); }

/* Review list */
.shop-review-list {
  background-color: var(--color-canvas);
  border: 1px solid var(--color-hairline);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.shop-review-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px;
  border-bottom: 1px solid var(--color-hairline);
}
.shop-review-item:last-child { border-bottom: none; }

/* Summary */
.shop-summary-list { display: flex; flex-direction: column; gap: 16px; margin-bottom: 24px; }
.shop-summary-card {
  padding: 20px;
  background-color: var(--color-canvas);
  border: 1px solid var(--color-hairline);
  border-radius: var(--r-lg);
}
.shop-summary-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

/* Shipping panel */
.shop-shipping-panel {
  padding: 24px;
  background-color: var(--color-canvas);
  border: 1px solid var(--color-hairline);
  border-radius: var(--r-lg);
  margin-top: 24px;
}
.shop-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}
.shop-input {
  width: 100%;
  padding: 12px 16px;
  font-size: 17px;
  font-family: var(--font-text);
  border: 1px solid var(--color-hairline);
  border-radius: var(--r-sm);
  background-color: var(--color-canvas);
  color: var(--color-ink);
  outline: none;
}
.shop-input:focus { border-color: var(--color-primary); }
.shop-mono { font-family: monospace; }
.shop-checkbox-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}
.shop-checkbox { width: 16px; height: 16px; }

/* Shipping breakdown */
.shop-shipping-breakdown {
  padding: 16px;
  background-color: var(--color-canvas-parchment);
  border: 1px solid var(--color-hairline);
  border-radius: var(--r-md);
  margin-bottom: 16px;
}
html.dark .shop-shipping-breakdown { background-color: var(--color-surface-tile-3); }

/* Payment cards */
.shop-payment-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.shop-payment-card {
  padding: 24px;
  text-align: left;
  background-color: var(--color-canvas);
  border: 2px solid var(--color-hairline);
  border-radius: var(--r-lg);
  cursor: pointer;
  transition: border-color 0.2s;
}
.shop-payment-card:hover { border-color: var(--color-primary); }
.shop-payment-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.shop-payment-icon-blue { background-color: #eff6ff; }
.shop-payment-icon-amber { background-color: #fffbeb; }
html.dark .shop-payment-icon-blue { background-color: #1e3a5f; }
html.dark .shop-payment-icon-amber { background-color: #4a3a1a; }

/* Form panel */
.shop-form-panel {
  padding: 24px;
  background-color: var(--color-canvas);
  border: 1px solid var(--color-hairline);
  border-radius: var(--r-lg);
}
.shop-card-number-row {
  position: relative;
  display: flex;
  align-items: center;
}
.shop-card-brand {
  position: absolute;
  right: 12px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-ink-muted-48);
}

/* Divider */
.shop-divider {
  height: 1px;
  background-color: var(--color-hairline);
  margin: 16px 0;
}

/* QR */
.shop-qr-placeholder {
  text-align: center;
  margin-bottom: 16px;
}
.shop-qr-box {
  width: 128px;
  height: 128px;
  margin: 0 auto 8px;
  border-radius: var(--r-md);
  background-color: var(--color-canvas-parchment);
  border: 1px solid var(--color-hairline);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--color-ink-muted-48);
}
html.dark .shop-qr-box { background-color: var(--color-surface-tile-3); }

/* Info box */
.shop-info-box {
  padding: 16px;
  background-color: var(--color-canvas-parchment);
  border: 1px solid var(--color-hairline);
  border-radius: var(--r-md);
  margin-bottom: 12px;
}
html.dark .shop-info-box { background-color: var(--color-surface-tile-3); }

/* Processing */
.shop-processing-container {
  max-width: 580px;
  margin: 0 auto;
  text-align: center;
  padding: 48px 22px;
}
.shop-spinner-wrap {
  width: 64px;
  height: 64px;
  margin: 0 auto 24px;
  border-radius: var(--r-pill);
  background-color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}
.shop-spinner-amber { background-color: #f59e0b; }
.shop-spinner {
  width: 32px;
  height: 32px;
  border: 3px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: var(--r-pill);
  animation: spin 1s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Progress bar */
.shop-progress-bar {
  width: 100%;
  height: 12px;
  background-color: var(--color-canvas-parchment);
  border-radius: var(--r-pill);
  overflow: hidden;
  margin-bottom: 16px;
}
html.dark .shop-progress-bar { background-color: var(--color-surface-tile-3); }
.shop-progress-fill {
  height: 100%;
  background-color: var(--color-primary);
  border-radius: var(--r-pill);
  transition: width 0.5s ease;
}
.shop-progress-amber { background-color: #f59e0b; }

/* Phase list */
.shop-phase-list {
  text-align: left;
  background-color: var(--color-canvas);
  border: 1px solid var(--color-hairline);
  border-radius: var(--r-lg);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.phase-item {
  display: flex;
  align-items: center;
  gap: 12px;
}
.phase-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--color-canvas-parchment);
  flex-shrink: 0;
  transition: all 0.3s ease;
}
html.dark .phase-dot { background-color: var(--color-surface-tile-3); }
.phase-dot-active {
  background-color: var(--color-primary);
  width: 12px;
  height: 12px;
}
.phase-dot-done {
  background-color: #22c55e;
}
.phase-text { font-size: 14px; color: var(--color-ink-muted-48); }
.phase-text-active { color: var(--color-primary); font-weight: 600; }
.phase-text-done { color: #22c55e; font-weight: 600; }

/* Modals */
.shop-modal-hidden { display: none !important; }
.shop-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}
.shop-modal {
  background-color: var(--color-canvas);
  border: 1px solid var(--color-hairline);
  border-radius: var(--r-lg);
  max-width: 480px;
  width: 100%;
  padding: 24px;
  animation: fadeIn 0.3s ease-in-out;
}
.shop-modal-options { display: flex; flex-direction: column; gap: 8px; }
.shop-coin-option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px;
  border: 1px solid var(--color-hairline);
  border-radius: var(--r-md);
  background-color: var(--color-canvas);
  cursor: pointer;
  transition: background-color 0.2s;
}
.shop-coin-option:hover { background-color: var(--color-canvas-parchment); }
html.dark .shop-coin-option:hover { background-color: var(--color-surface-tile-3); }
.shop-modal-actions {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}
.shop-modal-actions button { flex: 1; text-align: center; }

/* Confirmed */
.shop-confirmed-header {
  text-align: center;
  margin-bottom: 32px;
  padding: 32px 0;
}
.shop-confirmed-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 16px;
  border-radius: var(--r-pill);
  background-color: #dcfce7;
  color: #22c55e;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
}
html.dark .shop-confirmed-icon { background-color: #1a3a2a; }

/* Receipt */
.shop-receipt {
  background-color: var(--color-canvas);
  border: 1px solid var(--color-hairline);
  border-radius: var(--r-lg);
  padding: 32px;
  margin-bottom: 24px;
}
.shop-receipt-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-hairline);
  margin-bottom: 24px;
}
.shop-receipt-brand { display: flex; align-items: center; gap: 8px; }
.shop-receipt-date { text-align: right; }
.shop-receipt-section { margin-bottom: 24px; }
.shop-receipt-shipping { display: flex; flex-direction: column; gap: 4px; }
.shop-receipt-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid var(--color-hairline);
}
.shop-receipt-item:last-child { border-bottom: none; }
.shop-receipt-totals {
  border-top: 1px solid var(--color-hairline);
  padding-top: 16px;
}
.shop-receipt-footer {
  border-top: 1px solid var(--color-hairline);
  padding-top: 16px;
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.shop-receipt-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-bottom: 8px;
}

/* Timeline */
.shop-timeline { display: flex; flex-direction: column; gap: 8px; }
.shop-timeline-item {
  display: flex;
  align-items: center;
  gap: 12px;
}
.shop-timeline-badge {
  width: 24px;
  height: 24px;
  border-radius: var(--r-pill);
  background-color: #22c55e;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  flex-shrink: 0;
}
.shop-timeline-content {
  flex: 1;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Empty/error */
.shop-empty {
  padding: 24px;
  text-align: center;
  color: var(--color-ink-muted-48);
}
.shop-error {
  padding: 16px;
  color: #ef4444;
}

/* Mobile menu */
.shop-mobile-menu {
  display: none;
  position: fixed;
  top: 44px;
  left: 0;
  right: 0;
  background: var(--color-surface-black);
  z-index: 101;
  padding: 20px;
}
.shop-mobile-menu ul { list-style: none; }
.shop-mobile-menu li { margin-bottom: 16px; }
.shop-mobile-menu a { color: #fff; font-size: 17px; }

/* Print */
@media print {
  body { background: white; color: black; }
  .global-nav, .sub-nav, .footer, .shop-mobile-menu,
  .screen:not(.active), #supportModal, #cryptoModal,
  .shop-receipt-actions + p, .shop-receipt-actions { display: none !important; }
  #screen-confirmed { display: block !important; }
  .shop-receipt { box-shadow: none; border: 1px solid #ccc; }
  .shop-receipt * { color: black !important; }
}

/* Responsive */
@media (max-width: 1068px) {
  .shop-hero-grid { grid-template-columns: 1fr; }
  .shop-hero-image { order: -1; }
  .shop-builder-grid { grid-template-columns: 1fr; }
  .shop-cart-panel { position: static; }
  .shop-builds-grid { grid-template-columns: repeat(2, 1fr); }
  .shop-features-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 833px) {
  .shop-builds-grid { grid-template-columns: 1fr; }
  .shop-payment-grid { grid-template-columns: 1fr; }
  .shop-form-grid { grid-template-columns: 1fr; }
  .shop-features-grid { grid-template-columns: 1fr; }
  .shop-product-card { flex-direction: column; align-items: flex-start; }
  .shop-qty-controls { align-self: flex-end; }
}

@media (max-width: 640px) {
  .shop-hero-grid { gap: 24px; padding: 24px 0; }
  .shop-container, .shop-container-sm, .shop-container-xs { padding: 0 16px; }
  .shop-receipt { padding: 16px; }
  .shop-receipt-header { flex-direction: column; gap: 8px; text-align: center; }
  .shop-receipt-date { text-align: center; }
}