/**
 * NUMISPEC LUXURY DESIGN SYSTEM - COMMON CORE
 * Shared components, Prestige layout architecture, drawers, modals & loupe zoom.
 */

@import url('https://fonts.googleapis.com/css2?family=Bodoni+Moda:ital,opsz,wght@0,6..96,400..900;1,6..96,400..900&family=Cinzel:wght@400..900&family=Cormorant+Garamond:ital,wght@0,400;0,600;0,700;1,400;1,600&family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600;700&family=Playfair+Display:ital,wght@0,400;0,600;0,700;0,900;1,400&family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
  --font-serif-cormorant: 'Cormorant Garamond', Georgia, serif;
  --font-serif-playfair: 'Playfair Display', Georgia, serif;
  --font-serif-cinzel: 'Cinzel', serif;
  --font-serif-bodoni: 'Bodoni Moda', 'Didot', serif;
  --font-sans: 'Plus Jakarta Sans', 'Inter', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  --ease-prestige: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 0.2s var(--ease-prestige);
  --transition-normal: 0.35s var(--ease-prestige);
  --transition-slow: 0.6s var(--ease-prestige);
}

/* Base Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  width: 100%;
  max-width: 100vw;
  overflow-x: hidden;
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  line-height: 1.6;
  position: relative;
}

body.modal-open {
  overflow: hidden;
}

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

button {
  cursor: pointer;
  font-family: inherit;
  border: none;
  background: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ==========================================================================
   1. GLOBAL UNIFIED DESIGN SWITCHER
   ========================================================================== */
.numispec-global-switcher {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  background: rgba(14, 16, 20, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  color: #E2E8F0;
  font-size: 0.78rem;
  padding: 8px 24px;
}

.switcher-inner {
  max-width: 1560px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.switcher-brand-link {
  display: flex;
  align-items: center;
  gap: 8px;
  letter-spacing: 0.12em;
  font-weight: 700;
  color: #FFF;
}

.switcher-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #C5A059;
  box-shadow: 0 0 8px #C5A059;
}

.switcher-tag {
  font-size: 0.68rem;
  padding: 2px 7px;
  background: rgba(197, 160, 89, 0.15);
  border: 1px solid rgba(197, 160, 89, 0.35);
  color: #E6CA85;
  border-radius: 3px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.switcher-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.switcher-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 4px;
  color: #94A3B8;
  font-weight: 500;
  letter-spacing: 0.04em;
  transition: all 0.2s ease;
  border: 1px solid transparent;
}

.switcher-btn:hover {
  color: #FFFFFF;
  background: rgba(255, 255, 255, 0.06);
}

.switcher-btn.active {
  color: #FFFFFF;
  background: rgba(197, 160, 89, 0.2);
  border-color: rgba(197, 160, 89, 0.5);
}

.switcher-num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: #C5A059;
  font-weight: 600;
}

.switcher-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.switcher-tool-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 4px;
  color: #F1F5F9;
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: all 0.2s ease;
}

.switcher-tool-btn:hover {
  background: rgba(197, 160, 89, 0.25);
  border-color: #C5A059;
  color: #FFF;
}

/* ==========================================================================
   2. PRESTIGE SLIDEOUT DRAWER CART
   ========================================================================== */
.cart-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 10000;
  display: flex;
  justify-content: flex-end;
  opacity: 1;
  visibility: visible;
  transition: all 0.35s var(--ease-prestige);
}

.cart-overlay.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.cart-drawer-panel {
  width: 100%;
  max-width: 480px;
  height: 100%;
  background: #FFFFFF;
  color: #1A1A1A;
  display: flex;
  flex-direction: column;
  box-shadow: -10px 0 35px rgba(0, 0, 0, 0.25);
  transform: translateX(0);
  transition: transform 0.4s var(--ease-prestige);
}

.cart-overlay.hidden .cart-drawer-panel {
  transform: translateX(100%);
}

.cart-drawer-header {
  padding: 24px;
  border-bottom: 1px solid #E5E7EB;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}

.cart-drawer-title-group h3 {
  font-family: var(--font-serif-cinzel);
  font-size: 1.15rem;
  letter-spacing: 0.15em;
  font-weight: 700;
}

.cart-drawer-title-group .cart-sub {
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: #64748B;
  display: block;
  margin-top: 3px;
  font-weight: 600;
}

.cart-close-btn {
  font-size: 1.8rem;
  line-height: 1;
  color: #475569;
  padding: 4px 8px;
  transition: color 0.2s ease;
}

.cart-close-btn:hover {
  color: #000;
}

/* Shipping Meter */
.cart-shipping-meter {
  background: #F8FAFC;
  padding: 12px 24px;
  border-bottom: 1px solid #E2E8F0;
  font-size: 0.78rem;
}

.meter-text {
  display: flex;
  justify-content: space-between;
  margin-bottom: 6px;
  font-weight: 600;
  color: #0E6245;
}

.meter-bar-track {
  height: 5px;
  background: #E2E8F0;
  border-radius: 999px;
  overflow: hidden;
}

.meter-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #10B981, #059669);
  transition: width 0.3s ease;
}

/* Cart Items List */
.cart-items-scroll {
  flex: 1;
  overflow-y: auto;
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.cart-empty-state {
  margin: auto;
  text-align: center;
  padding: 40px 20px;
}

.cart-empty-state .empty-icon {
  font-size: 3rem;
  margin-bottom: 16px;
}

.cart-empty-state h4 {
  font-family: var(--font-serif-cinzel);
  font-size: 1rem;
  letter-spacing: 0.15em;
  margin-bottom: 8px;
}

.cart-empty-state p {
  color: #64748B;
  font-size: 0.85rem;
  margin-bottom: 24px;
}

.cart-explore-btn {
  padding: 12px 24px;
  background: #1A1A1A;
  color: #FFF;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border-radius: 2px;
}

.cart-item-card {
  display: flex;
  gap: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid #F1F5F9;
}

.cart-item-thumb {
  width: 90px;
  height: 90px;
  flex-shrink: 0;
  background: #F8FAFC;
  border: 1px solid #E2E8F0;
  border-radius: 4px;
  padding: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cart-item-thumb img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.cart-item-details {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.cart-item-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
}

.cert-pill {
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 3px;
  background: #E8F5E9;
  color: #0E4A35;
  letter-spacing: 0.05em;
}

.cart-remove-item {
  font-size: 1.2rem;
  color: #94A3B8;
  padding: 0 4px;
  line-height: 1;
}

.cart-remove-item:hover {
  color: #DC2626;
}

.cart-item-title {
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1.3;
}

.cart-item-sub {
  font-size: 0.75rem;
  color: #64748B;
  display: block;
  margin-bottom: 6px;
}

.cart-item-meta {
  font-size: 0.7rem;
  color: #64748B;
  display: flex;
  gap: 12px;
  margin-bottom: 8px;
}

.cart-item-price-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
}

.cart-item-price-row strong {
  font-size: 0.95rem;
  color: #111827;
}

.stock-status {
  font-size: 0.68rem;
  color: #B45309;
  font-weight: 600;
}

/* Cart Footer */
.cart-drawer-footer {
  padding: 20px 24px 28px;
  background: #FAF8F5;
  border-top: 1px solid #E5E7EB;
}

.cart-assurance-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.72rem;
  color: #0E6245;
  background: #EAF7EE;
  padding: 8px 12px;
  border-radius: 4px;
  margin-bottom: 14px;
  font-weight: 600;
}

.cart-subtotal-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  font-weight: 700;
  margin-bottom: 6px;
}

.cart-subtotal-row strong {
  font-size: 1.25rem;
  letter-spacing: 0;
}

.cart-tax-notice {
  font-size: 0.72rem;
  color: #64748B;
  margin-bottom: 16px;
}

.checkout-btn {
  width: 100%;
  padding: 16px;
  background: #111827;
  color: #FFF;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  border-radius: 2px;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.checkout-btn:hover {
  background: #C5A059;
  color: #111;
}

.cart-payment-methods {
  font-size: 0.64rem;
  color: #94A3B8;
  letter-spacing: 0.08em;
  text-align: center;
  margin-top: 12px;
  font-weight: 600;
}

/* ==========================================================================
   3. MODAL DIALOGS (CERT VERIFIER & QUICK VIEW)
   ========================================================================== */
.numispec-modal {
  position: fixed;
  inset: 0;
  z-index: 10001;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 1;
  visibility: visible;
  transition: all 0.3s ease;
}

.numispec-modal.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
}

.modal-dialog {
  position: relative;
  z-index: 10;
  background: #FFFFFF;
  border-radius: 8px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.4);
}

.cert-modal-dialog {
  width: 100%;
  max-width: 760px;
  padding: 32px;
}

.quick-view-dialog {
  width: 100%;
  max-width: 1080px;
  padding: 36px;
}

.modal-header {
  display: flex;
  align-items: center;
  gap: 16px;
  border-bottom: 1px solid #E5E7EB;
  padding-bottom: 20px;
  margin-bottom: 24px;
}

.header-seal-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(197, 160, 89, 0.15);
  border: 1px solid #C5A059;
  color: #A07B2D;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.modal-header h3 {
  font-family: var(--font-serif-cinzel);
  font-size: 1.25rem;
  letter-spacing: 0.1em;
  font-weight: 700;
}

.modal-header p {
  font-size: 0.8rem;
  color: #64748B;
}

.modal-close-btn {
  margin-left: auto;
  font-size: 2rem;
  line-height: 1;
  color: #64748B;
  transition: color 0.2s ease;
}

.modal-close-btn:hover {
  color: #000;
}

/* Cert Verifier Form */
.cert-search-box label {
  display: block;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  margin-bottom: 8px;
  color: #334155;
}

.input-with-button {
  display: flex;
  gap: 8px;
}

.input-with-button input {
  flex: 1;
  padding: 12px 16px;
  border: 1px solid #CBD5E1;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 1rem;
}

.input-with-button button {
  padding: 12px 24px;
  background: #0F172A;
  color: #FFF;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  border-radius: 4px;
}

.input-with-button button:hover {
  background: #C5A059;
  color: #000;
}

.quick-samples {
  margin-top: 12px;
  font-size: 0.74rem;
  color: #64748B;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.sample-cert-btn {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 3px 8px;
  background: #F1F5F9;
  border: 1px solid #E2E8F0;
  border-radius: 3px;
  color: #0369A1;
}

.sample-cert-btn:hover {
  background: #E0F2FE;
  border-color: #38BDF8;
}

.cert-result-box {
  margin-top: 24px;
}

.cert-success-card {
  border: 1px solid #BBF7D0;
  background: #F0FDF4;
  border-radius: 8px;
  padding: 24px;
}

.cert-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  background: #DCFCE7;
  color: #15803D;
  margin-bottom: 20px;
}

.cert-grid-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 24px;
  align-items: start;
}

.cert-specimen-img {
  background: #FFF;
  padding: 12px;
  border: 1px solid #E2E8F0;
  border-radius: 6px;
  text-align: center;
}

.cert-slab-seal {
  font-size: 0.65rem;
  font-weight: 700;
  color: #15803D;
  margin-top: 8px;
  letter-spacing: 0.08em;
}

.cert-data-sheet h4 {
  font-family: var(--font-serif-cinzel);
  font-size: 1.2rem;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.cert-meta-table {
  margin: 16px 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.82rem;
}

.cert-row {
  display: flex;
  justify-content: space-between;
  padding-bottom: 6px;
  border-bottom: 1px solid #DCFCE7;
}

.cert-row span {
  color: #4B5563;
}

.highlight-grade {
  color: #0E6245;
  font-weight: 800;
}

.cert-action-buttons {
  display: flex;
  gap: 12px;
  margin-top: 18px;
}

.cert-buy-btn {
  padding: 12px 20px;
  background: #0E4A35;
  color: #FFF;
  font-weight: 700;
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  border-radius: 3px;
}

.inspect-btn {
  padding: 12px 20px;
  background: #FFF;
  border: 1px solid #0E4A35;
  color: #0E4A35;
  font-weight: 700;
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  border-radius: 3px;
}

/* ==========================================================================
   4. QUICK VIEW & FORENSIC LOUPE ZOOM
   ========================================================================== */
.qv-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 36px;
}

.qv-view-toggle {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  border-bottom: 1px solid #E5E7EB;
  padding-bottom: 10px;
}

.view-tab-btn {
  padding: 6px 14px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: #64748B;
  border-radius: 3px;
}

.view-tab-btn.active {
  background: #0F172A;
  color: #FFF;
}

.uv-tab-btn {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(147, 51, 234, 0.1);
  color: #7E22CE;
}

.uv-tab-btn.active {
  background: #7E22CE;
  color: #FFF;
}

.uv-glow-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #00F2FE;
  box-shadow: 0 0 6px #00F2FE;
}

.qv-loupe-container {
  position: relative;
  width: 100%;
  height: 380px;
  background: #F8FAFC;
  border: 1px solid #E2E8F0;
  border-radius: 6px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: crosshair;
}

.qv-display-img {
  max-width: 90%;
  max-height: 90%;
  object-fit: contain;
}

.loupe-lens {
  position: absolute;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  border: 3px solid #C5A059;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.4), inset 0 0 10px rgba(0, 0, 0, 0.2);
  pointer-events: none;
  background-repeat: no-repeat;
  z-index: 20;
}

.loupe-lens.hidden {
  display: none;
}

/* 365nm UV Filter Simulation */
.uv-filter-overlay {
  position: absolute;
  inset: 0;
  background: rgba(30, 10, 60, 0.7);
  mix-blend-mode: screen;
  pointer-events: none;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 16px;
}

.uv-filter-overlay.hidden {
  display: none;
}

.uv-scanner-beam {
  height: 2px;
  background: #00F2FE;
  box-shadow: 0 0 15px #00F2FE, 0 0 30px #00F2FE;
  animation: scanMove 3s infinite alternate ease-in-out;
}

@keyframes scanMove {
  0% { transform: translateY(0); }
  100% { transform: translateY(340px); }
}

.uv-watermark-text {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  color: #00F2FE;
  text-shadow: 0 0 8px #00F2FE;
}

.qv-zoom-hint {
  font-size: 0.72rem;
  color: #64748B;
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 10px;
}

.qv-details {
  display: flex;
  flex-direction: column;
}

.qv-agency-strip {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.cert-chip {
  padding: 3px 8px;
  background: #0E4A35;
  color: #FFF;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  border-radius: 2px;
}

.grade-chip {
  padding: 3px 8px;
  background: #C5A059;
  color: #111;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  border-radius: 2px;
}

.pedigree-chip {
  padding: 3px 8px;
  background: #F1F5F9;
  color: #475569;
  font-size: 0.68rem;
  font-weight: 600;
  border-radius: 2px;
}

.qv-title {
  font-family: var(--font-serif-cinzel);
  font-size: 1.6rem;
  line-height: 1.2;
  margin-bottom: 6px;
}

.qv-subtitle {
  font-size: 0.88rem;
  color: #64748B;
  margin-bottom: 16px;
}

.qv-price-block {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid #E5E7EB;
}

.qv-price {
  font-size: 1.8rem;
  font-weight: 800;
  color: #111827;
}

.qv-valuation {
  font-size: 0.82rem;
  color: #94A3B8;
  text-decoration: line-through;
}

.qv-provenance-box {
  background: #F8FAFC;
  border-left: 3px solid #C5A059;
  padding: 10px 14px;
  margin-bottom: 16px;
  font-size: 0.78rem;
}

.qv-provenance-box strong {
  display: block;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: #64748B;
  margin-bottom: 2px;
}

.qv-narrative {
  font-size: 0.84rem;
  color: #475569;
  line-height: 1.6;
  margin-bottom: 20px;
}

.qv-spec-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
  font-size: 0.8rem;
  background: #FAF8F5;
  padding: 14px;
  border-radius: 4px;
}

.qv-spec-item {
  display: flex;
  justify-content: space-between;
}

.qv-spec-item span {
  color: #64748B;
}

.qv-cta-row {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.qv-buy-btn {
  padding: 16px;
  background: #111827;
  color: #FFF;
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  border-radius: 2px;
  transition: all 0.2s ease;
}

.qv-buy-btn:hover {
  background: #C5A059;
  color: #111;
}

.qv-cert-btn {
  padding: 12px;
  background: #FFF;
  border: 1px solid #CBD5E1;
  color: #334155;
  font-weight: 600;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  border-radius: 2px;
}

.qv-cert-btn:hover {
  border-color: #0F172A;
  color: #0F172A;
}

/* ==========================================================================
   5. SPECIMEN 3D OBVERSE/REVERSE FLIP CARD
   ========================================================================== */
.specimen-card {
  perspective: 1200px;
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: transform 0.3s ease;
}

.card-3d-wrap {
  position: relative;
  width: 100%;
  height: 320px;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  transform-style: preserve-3d;
  cursor: pointer;
}

.specimen-card.flipped .card-3d-wrap {
  transform: rotateY(180deg);
}

.card-face {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  border-radius: 4px;
}

.card-face.card-back {
  transform: rotateY(180deg);
}

/* Card Specimen Media Formatting & Proportional Sizing */
.card-face img {
  max-width: 86%;
  max-height: 86%;
  width: auto;
  height: auto;
  object-fit: contain;
  margin: auto;
  filter: drop-shadow(0 6px 16px rgba(0, 0, 0, 0.14));
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
}

/* Sizing for vertical coin slab packs (PCGS & NGC holders) to fit comfortably inside card frames */
.card-face img[src*="coin"],
.card-face img[src*="moneda"],
.specimen-card[data-category*="coin"] .card-face img,
.minimal-card[data-category*="coin"] .card-face img,
.dawn-product-card[data-category*="coin"] .card-face img,
.vault-card[data-category*="coin"] .card-face img,
.archive-card[data-category*="coin"] .card-face img {
  max-height: 72%;
  max-width: 58%;
  filter: drop-shadow(0 8px 18px rgba(0, 0, 0, 0.18));
}

/* Sizing for horizontal banknote slab packs (PMG holders) */
.card-face img[src*="banknote"],
.card-face img[src*="billete"],
.specimen-card[data-category*="banknote"] .card-face img,
.minimal-card[data-category*="banknote"] .card-face img,
.dawn-product-card[data-category*="banknote"] .card-face img,
.vault-card[data-category*="banknote"] .card-face img,
.archive-card[data-category*="banknote"] .card-face img {
  max-width: 88%;
  max-height: 70%;
  filter: drop-shadow(0 6px 14px rgba(0, 0, 0, 0.12));
}

.specimen-card:hover .card-face img {
  transform: scale(1.03);
}

.card-flip-pill {
  position: absolute;
  bottom: 12px;
  right: 12px;
  z-index: 10;
  padding: 4px 10px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 999px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: all 0.2s ease;
}

/* ==========================================================================
   RESPONSIVE QUERIES
   ========================================================================== */
@media (max-width: 1024px) {
  .qv-grid {
    grid-template-columns: 1fr;
  }
  .cert-grid-layout {
    grid-template-columns: 1fr;
  }
  .switcher-inner {
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .numispec-global-switcher {
    padding: 8px 12px;
  }
  .switcher-nav {
    overflow-x: auto;
    width: 100%;
    padding-bottom: 4px;
  }
  .cart-drawer-panel {
    width: 100vw;
    max-width: 100vw;
    box-sizing: border-box;
  }
  .quick-view-dialog, .cert-modal-dialog {
    width: calc(100vw - 20px);
    max-width: calc(100vw - 20px);
    padding: 20px 14px;
    margin: 10px;
    box-sizing: border-box;
  }
  .qv-actions {
    flex-direction: column;
    width: 100%;
    gap: 10px;
  }
  .qv-buy-btn, .qv-cert-btn {
    width: 100%;
    text-align: center;
    justify-content: center;
    box-sizing: border-box;
  }
}

/* ==========================================================================
   GLOBAL DARK MODE OVERRIDES (MODALS & CART DRAWER)
   ========================================================================== */
html[data-mode="dark"] .cart-drawer-panel,
body[data-mode="dark"] .cart-drawer-panel {
  background: #111218;
  color: #F4F4F6;
  border-left: 1px solid rgba(255, 255, 255, 0.1);
}

html[data-mode="dark"] .cart-drawer-header,
body[data-mode="dark"] .cart-drawer-header {
  border-bottom-color: rgba(255, 255, 255, 0.1);
}

html[data-mode="dark"] .cart-drawer-title-group h3,
body[data-mode="dark"] .cart-drawer-title-group h3 {
  color: #FFFFFF;
}

html[data-mode="dark"] .cart-sub,
body[data-mode="dark"] .cart-sub {
  color: #94A3B8;
}

html[data-mode="dark"] .cart-close-btn,
body[data-mode="dark"] .cart-close-btn {
  color: #94A3B8;
}

html[data-mode="dark"] .cart-close-btn:hover,
body[data-mode="dark"] .cart-close-btn:hover {
  color: #FFFFFF;
}

html[data-mode="dark"] .cart-shipping-meter,
body[data-mode="dark"] .cart-shipping-meter {
  background: #171822;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

html[data-mode="dark"] .meter-bar-track,
body[data-mode="dark"] .meter-bar-track {
  background: rgba(255, 255, 255, 0.12);
}

html[data-mode="dark"] .meter-bar-fill,
body[data-mode="dark"] .meter-bar-fill {
  background: #DFC488;
}

html[data-mode="dark"] .meter-text,
body[data-mode="dark"] .meter-text {
  color: #CBD5E1;
}

html[data-mode="dark"] .cart-assurance-pill,
body[data-mode="dark"] .cart-assurance-pill {
  background: rgba(34, 197, 94, 0.12);
  color: #4ADE80;
  border: 1px solid rgba(74, 222, 128, 0.2);
}

html[data-mode="dark"] .cart-drawer-footer,
body[data-mode="dark"] .cart-drawer-footer {
  background: #171822;
  border-top-color: rgba(255, 255, 255, 0.1);
}

html[data-mode="dark"] .cart-tax-notice,
body[data-mode="dark"] .cart-tax-notice {
  color: #94A3B8;
}

html[data-mode="dark"] .cart-payment-methods span,
body[data-mode="dark"] .cart-payment-methods span {
  color: #64748B;
}

html[data-mode="dark"] .checkout-btn,
body[data-mode="dark"] .checkout-btn {
  background: #DFC488;
  color: #111218;
}

html[data-mode="dark"] .checkout-btn:hover,
body[data-mode="dark"] .checkout-btn:hover {
  background: #EED7A1;
}

html[data-mode="dark"] .cart-item-card,
body[data-mode="dark"] .cart-item-card {
  background: #171822;
  border-color: rgba(255, 255, 255, 0.08);
}

html[data-mode="dark"] .cart-item-thumb,
body[data-mode="dark"] .cart-item-thumb {
  background: #111218;
  border-color: rgba(255, 255, 255, 0.1);
}

html[data-mode="dark"] .cart-item-title,
body[data-mode="dark"] .cart-item-title {
  color: #FFFFFF;
}

html[data-mode="dark"] .cart-item-sub,
body[data-mode="dark"] .cart-item-sub {
  color: #94A3B8;
}

html[data-mode="dark"] .cart-item-meta,
body[data-mode="dark"] .cart-item-meta {
  color: #94A3B8;
}

html[data-mode="dark"] .cart-item-price-row strong,
body[data-mode="dark"] .cart-item-price-row strong {
  color: #FFFFFF;
}

html[data-mode="dark"] .cart-subtotal-row,
body[data-mode="dark"] .cart-subtotal-row {
  color: #FFFFFF;
}

html[data-mode="dark"] .cart-empty-state h4,
body[data-mode="dark"] .cart-empty-state h4 {
  color: #FFFFFF;
}

html[data-mode="dark"] .cart-empty-state p,
body[data-mode="dark"] .cart-empty-state p {
  color: #94A3B8;
}

html[data-mode="dark"] .modal-dialog,
body[data-mode="dark"] .modal-dialog {
  background: #12131A;
  color: #F4F4F6;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8);
}

html[data-mode="dark"] .modal-header,
body[data-mode="dark"] .modal-header {
  border-bottom-color: rgba(255, 255, 255, 0.1);
}

html[data-mode="dark"] .modal-header h3,
body[data-mode="dark"] .modal-header h3 {
  color: #FFFFFF;
}

html[data-mode="dark"] .modal-close-btn,
body[data-mode="dark"] .modal-close-btn {
  color: #94A3B8;
}

html[data-mode="dark"] .modal-close-btn:hover,
body[data-mode="dark"] .modal-close-btn:hover {
  color: #FFFFFF;
}

html[data-mode="dark"] .input-with-button input,
body[data-mode="dark"] .input-with-button input {
  background: #1A1C26;
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, 0.16);
}

html[data-mode="dark"] .cert-search-box label,
body[data-mode="dark"] .cert-search-box label {
  color: #CBD5E1;
}

html[data-mode="dark"] .cert-table th,
html[data-mode="dark"] .cert-table td,
body[data-mode="dark"] .cert-table th,
body[data-mode="dark"] .cert-table td {
  border-color: rgba(255, 255, 255, 0.08);
  color: #E2E8F0;
}

/* Detail View (Quick View Dialog in Dark Mode) */
html[data-mode="dark"] .qv-details h2,
html[data-mode="dark"] .qv-details h3,
body[data-mode="dark"] .qv-details h2,
body[data-mode="dark"] .qv-details h3 {
  color: #FFFFFF;
}

html[data-mode="dark"] .qv-subtitle,
body[data-mode="dark"] .qv-subtitle {
  color: #94A3B8;
}

html[data-mode="dark"] .qv-price,
body[data-mode="dark"] .qv-price {
  color: #FFFFFF;
}

html[data-mode="dark"] .qv-valuation,
body[data-mode="dark"] .qv-valuation {
  color: #A1A1AA;
}

html[data-mode="dark"] .qv-narrative,
body[data-mode="dark"] .qv-narrative {
  color: #A1A1AA;
}

html[data-mode="dark"] .qv-view-toggle,
body[data-mode="dark"] .qv-view-toggle {
  border-bottom-color: rgba(255, 255, 255, 0.1);
}

html[data-mode="dark"] .view-tab-btn,
body[data-mode="dark"] .view-tab-btn {
  color: #94A3B8;
  background: rgba(255, 255, 255, 0.05);
}

html[data-mode="dark"] .view-tab-btn.active,
body[data-mode="dark"] .view-tab-btn.active {
  background: #FFFFFF;
  color: #0F172A;
}

html[data-mode="dark"] .qv-loupe-container,
body[data-mode="dark"] .qv-loupe-container {
  background: #181924;
  border-color: rgba(255, 255, 255, 0.1);
}

html[data-mode="dark"] .qv-provenance-box,
body[data-mode="dark"] .qv-provenance-box {
  background: #181924;
  border-color: rgba(255, 255, 255, 0.08);
  color: #CBD5E1;
}

html[data-mode="dark"] .qv-spec-list,
body[data-mode="dark"] .qv-spec-list {
  background: #181924;
  border-color: rgba(255, 255, 255, 0.08);
}

html[data-mode="dark"] .qv-spec-item,
body[data-mode="dark"] .qv-spec-item {
  border-bottom-color: rgba(255, 255, 255, 0.06);
}

html[data-mode="dark"] .qv-spec-item span,
body[data-mode="dark"] .qv-spec-item span {
  color: #94A3B8;
}

html[data-mode="dark"] .qv-spec-item strong,
body[data-mode="dark"] .qv-spec-item strong {
  color: #F4F4F6;
}

html[data-mode="dark"] .qv-buy-btn,
body[data-mode="dark"] .qv-buy-btn {
  background: #DFC488;
  color: #0F172A;
}

html[data-mode="dark"] .qv-buy-btn:hover,
body[data-mode="dark"] .qv-buy-btn:hover {
  background: #EED7A1;
}

html[data-mode="dark"] .qv-cert-btn,
body[data-mode="dark"] .qv-cert-btn {
  background: #1A1C26;
  color: #F4F4F6;
  border-color: rgba(255, 255, 255, 0.16);
}

html[data-mode="dark"] .qv-cert-btn:hover,
body[data-mode="dark"] .qv-cert-btn:hover {
  background: #252836;
}

html[data-mode="dark"] .qv-zoom-hint,
body[data-mode="dark"] .qv-zoom-hint {
  color: #94A3B8;
}