/**
 * Digital Marketplace Commerce (DMC) - Front-End Styles
 * Cohesive with obsidian ink, cyber indigo accents, and slate borders
 */

:root {
  --dmc-ink: #0f172a;
  --dmc-slate-body: #334155;
  --dmc-slate-muted: #64748b;
  --dmc-slate-border: #e2e8f0;
  --dmc-slate-card: #f8fafc;
  --dmc-indigo: #4f46e5;
  --dmc-indigo-hover: #4338ca;
  --dmc-emerald: #059669;
  --dmc-amber: #d97706;
  --dmc-font-sans: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --dmc-font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  --dmc-radius-sm: 6px;
  --dmc-radius-md: 10px;
  --dmc-radius-lg: 16px;
}

.dmc-cart-container {
  width: 100%;
}

.dmc-cart-row {
  transition: opacity 0.2s ease, transform 0.2s ease;
}

/* Empty States */
.dmc-cart-empty,
.dmc-checkout-empty {
  text-align: center;
  padding: 4.5rem 2rem;
  background: #ffffff;
  border: 1px solid var(--dmc-slate-border);
  border-radius: var(--dmc-radius-lg);
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04);
  max-width: 640px;
  margin: 0 auto;
}

.dmc-empty-badge {
  font-size: 3rem;
  margin-bottom: 1rem;
  display: inline-block;
  line-height: 1;
}

.dmc-empty-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--dmc-ink);
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.dmc-empty-desc {
  font-size: 0.95rem;
  color: var(--dmc-slate-muted);
  line-height: 1.6;
  max-width: 480px;
  margin: 0 auto 1.75rem;
}

/* Cart Table Layout */
.cart-page-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: start;
}

@media (min-width: 1024px) {
  .cart-page-layout {
    grid-template-columns: 7fr 5fr;
  }
}

.cart-items-card {
  background: #ffffff;
  border: 1px solid var(--dmc-slate-border);
  border-radius: var(--dmc-radius-lg);
  padding: 1.75rem;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04);
}

.cart-table-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--dmc-slate-border);
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--dmc-slate-muted);
}

.cart-item-row {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--dmc-slate-border);
}

@media (min-width: 640px) {
  .cart-item-row {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.cart-item-info {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex: 1;
}

.cart-item-thumb {
  width: 72px;
  height: 52px;
  border-radius: var(--dmc-radius-sm);
  overflow: hidden;
  background-color: var(--dmc-slate-card);
  border: 1px solid var(--dmc-slate-border);
  flex-shrink: 0;
}

.cart-item-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.cart-item-meta {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.cart-item-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--dmc-ink);
  line-height: 1.35;
  margin: 0;
}

.cart-item-title a {
  color: inherit;
  text-decoration: none;
  transition: color 0.15s ease;
}

.cart-item-title a:hover {
  color: var(--dmc-indigo);
}

.cart-item-badges {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.775rem;
}

.cart-badge-format {
  display: inline-block;
  background: var(--dmc-slate-card);
  border: 1px solid var(--dmc-slate-border);
  color: var(--dmc-slate-muted);
  font-family: var(--dmc-font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.15rem 0.45rem;
  border-radius: var(--dmc-radius-sm);
}

.cart-unit-price {
  color: var(--dmc-slate-muted);
  font-family: var(--dmc-font-mono);
  font-size: 0.8rem;
}

.dmc-cart-remove-btn {
  background: none;
  border: none;
  color: #ef4444;
  font-size: 0.775rem;
  font-weight: 600;
  cursor: pointer;
  padding: 0;
  text-align: left;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  margin-top: 0.2rem;
  transition: opacity 0.15s ease;
}

.dmc-cart-remove-btn:hover {
  opacity: 0.8;
  text-decoration: underline;
}

.cart-item-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
}

.dmc-qty-stepper {
  display: inline-flex;
  align-items: center;
  background: #ffffff;
  border: 1px solid var(--dmc-slate-border);
  border-radius: var(--dmc-radius-sm);
  overflow: hidden;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}

.dmc-qty-minus,
.dmc-qty-plus {
  background: transparent;
  border: none;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-weight: 700;
  color: var(--dmc-ink);
  transition: background 0.15s ease;
}

.dmc-qty-minus:hover,
.dmc-qty-plus:hover {
  background: var(--dmc-slate-card);
}

.dmc-qty-minus:focus-visible,
.dmc-qty-plus:focus-visible {
  outline: 2px solid var(--dmc-indigo);
  outline-offset: -2px;
}

.dmc-qty-val {
  min-width: 32px;
  text-align: center;
  font-family: var(--dmc-font-mono);
  font-weight: 700;
  font-size: 0.875rem;
  color: var(--dmc-ink);
}

.cart-item-subtotal-box {
  min-width: 80px;
  text-align: right;
}

.cart-item-subtotal,
.dmc-row-subtotal {
  font-family: var(--dmc-font-mono);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--dmc-ink);
}

.cart-table-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.25rem;
}

.cart-trust-note {
  font-size: 0.8rem;
  color: var(--dmc-slate-muted);
  font-weight: 500;
}

/* Order Summary Card */
.dmc-summary-card {
  background: #ffffff;
  border: 1px solid var(--dmc-slate-border);
  border-radius: var(--dmc-radius-lg);
  padding: 1.75rem;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04);
}

.summary-card-title {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--dmc-ink);
  margin: 0 0 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--dmc-slate-border);
}

.dmc-coupon-form {
  margin-bottom: 1.25rem;
}

.dmc-coupon-form .form-label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--dmc-ink);
  margin-bottom: 0.4rem;
  display: block;
}

.coupon-input-group {
  display: flex;
  gap: 0.5rem;
}

.coupon-input {
  text-transform: uppercase;
  font-family: var(--dmc-font-mono);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
}

.btn-apply-coupon {
  white-space: nowrap;
  font-weight: 700;
}

.coupon-feedback-msg {
  font-size: 0.775rem;
  margin-top: 0.4rem;
  min-height: 1.1rem;
  font-weight: 500;
}

.summary-breakdown-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1.25rem 0;
  border-top: 1px solid var(--dmc-slate-border);
  border-bottom: 1px solid var(--dmc-slate-border);
  font-size: 0.875rem;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.summary-label {
  color: var(--dmc-slate-muted);
  font-weight: 500;
}

.summary-val {
  font-family: var(--dmc-font-mono);
  font-weight: 700;
  color: var(--dmc-ink);
}

.summary-discount-row {
  color: var(--dmc-emerald);
}

.summary-discount-row .summary-val {
  color: var(--dmc-emerald);
}

.summary-total-row {
  padding-top: 0.85rem;
  margin-top: 0.35rem;
  border-top: 1px dashed var(--dmc-slate-border);
}

.summary-total-label {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--dmc-ink);
  letter-spacing: -0.01em;
}

.summary-total-val {
  font-family: var(--dmc-font-mono);
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--dmc-ink);
}

.summary-cta-wrap {
  margin-top: 1.5rem;
}

.btn-checkout-cta {
  height: 48px;
  font-size: 0.95rem;
  font-weight: 700;
}

.summary-guarantee-box {
  margin-top: 1.5rem;
  padding: 1rem;
  background: var(--dmc-slate-card);
  border: 1px solid var(--dmc-slate-border);
  border-radius: var(--dmc-radius-md);
  font-size: 0.8rem;
  color: var(--dmc-slate-muted);
  line-height: 1.5;
}

.guarantee-badge {
  color: var(--dmc-ink);
  font-weight: 700;
  margin-bottom: 0.35rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

/* Checkout Page Layout */
.checkout-page-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: start;
}

@media (min-width: 1024px) {
  .checkout-page-layout {
    grid-template-columns: 7fr 5fr;
  }
}

.checkout-form-card {
  background: #ffffff;
  border: 1px solid var(--dmc-slate-border);
  border-radius: var(--dmc-radius-lg);
  padding: 2rem;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04);
}

.checkout-step-header {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.checkout-step-payment {
  margin-top: 2rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--dmc-slate-border);
}

.step-num {
  width: 28px;
  height: 28px;
  background: var(--dmc-indigo);
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.825rem;
  font-weight: 800;
  flex-shrink: 0;
  margin-top: 2px;
}

.step-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--dmc-ink);
  margin: 0;
  letter-spacing: -0.01em;
}

.step-subtitle {
  font-size: 0.825rem;
  color: var(--dmc-slate-muted);
  margin-top: 0.25rem;
  line-height: 1.45;
}

/* Crypto Selection Grid */
.crypto-selection-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.85rem;
  margin-bottom: 2rem;
}

@media (min-width: 640px) {
  .crypto-selection-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.crypto-option-card {
  position: relative;
  display: block;
  cursor: pointer;
}

.crypto-radio {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.crypto-card-content {
  padding: 1rem;
  background: var(--dmc-slate-card);
  border: 2px solid var(--dmc-slate-border);
  border-radius: var(--dmc-radius-md);
  transition: all 0.15s ease;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.crypto-radio:checked + .crypto-card-content {
  border-color: var(--dmc-indigo);
  background: #ffffff;
  box-shadow: 0 0 0 1px var(--dmc-indigo), 0 4px 6px -1px rgba(79, 70, 229, 0.1);
}

.crypto-option-card:hover .crypto-card-content {
  border-color: #cbd5e1;
}

.crypto-radio:checked:hover .crypto-card-content {
  border-color: var(--dmc-indigo);
}

.crypto-coin-header {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.crypto-coin-icon {
  width: 32px;
  height: 32px;
  background: #ffffff;
  border: 1px solid var(--dmc-slate-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 800;
  color: var(--dmc-ink);
  flex-shrink: 0;
}

.crypto-coin-name {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--dmc-ink);
  display: block;
}

.crypto-network-tag {
  font-size: 0.7rem;
  color: var(--dmc-slate-muted);
  font-weight: 500;
  display: block;
}

.crypto-address-preview {
  font-family: var(--dmc-font-mono);
  font-size: 0.725rem;
  color: var(--dmc-slate-muted);
  background: #ffffff;
  border: 1px solid var(--dmc-slate-border);
  padding: 0.2rem 0.4rem;
  border-radius: var(--dmc-radius-sm);
  word-break: break-all;
}

.checkout-submit-wrap {
  margin-top: 1.75rem;
}

.btn-place-order {
  height: 50px;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.checkout-submit-guarantee {
  font-size: 0.775rem;
  color: var(--dmc-slate-muted);
  text-align: center;
  margin-top: 0.75rem;
  line-height: 1.45;
}

/* Review Items in Checkout Summary */
.review-items-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.review-item-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px dashed var(--dmc-slate-border);
}

.review-item-title {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--dmc-ink);
  line-height: 1.35;
}

.review-item-meta {
  font-size: 0.75rem;
  color: var(--dmc-slate-muted);
  margin-top: 0.2rem;
}

.review-item-price {
  font-family: var(--dmc-font-mono);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--dmc-ink);
  white-space: nowrap;
}

.review-perks-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--dmc-slate-border);
  font-size: 0.8rem;
  color: var(--dmc-slate-body);
}

.review-perk-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.review-perk-item .perk-icon {
  color: var(--dmc-emerald);
  font-weight: 800;
  font-size: 0.85rem;
}

/* ==========================================================================
   Order Confirmation & Crypto Settlement Terminal
   ========================================================================== */
.dmc-order-confirmation {
  max-width: 780px;
  margin: 0 auto;
  background: #ffffff;
  border: 1px solid var(--dmc-slate-border);
  border-radius: var(--dmc-radius-lg);
  padding: 2.5rem;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04);
}

.confirmation-header {
  text-align: center;
  margin-bottom: 2rem;
}

.confirmation-icon-badge {
  width: 56px;
  height: 56px;
  background: #ecfdf5;
  color: var(--dmc-emerald);
  border: 1px solid #d1fae5;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin-bottom: 1rem;
}

.confirmation-title {
  font-size: clamp(1.5rem, 3vw, 1.85rem);
  font-weight: 800;
  color: var(--dmc-ink);
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.confirmation-subtitle {
  font-size: 0.9rem;
  color: var(--dmc-slate-muted);
}

.status-badge-pending {
  background: #fffbeb;
  color: #b45309;
  border: 1px solid #fef3c7;
  font-weight: 700;
  font-size: 0.775rem;
  padding: 0.2rem 0.6rem;
  border-radius: 9999px;
  display: inline-block;
  margin-left: 0.35rem;
}

.confirmation-alert-box {
  background: #fffbeb;
  border: 1px solid #fde68a;
  border-radius: var(--dmc-radius-md);
  padding: 1.25rem;
  margin-bottom: 2rem;
}

.alert-box-heading {
  font-weight: 800;
  color: #92400e;
  font-size: 0.9rem;
  margin-bottom: 0.35rem;
}

.alert-box-body {
  font-size: 0.85rem;
  color: #78350f;
  line-height: 1.5;
  margin: 0;
}

.confirmation-details-box {
  background: var(--dmc-slate-card);
  border: 1px solid var(--dmc-slate-border);
  border-radius: var(--dmc-radius-md);
  padding: 1.75rem;
  margin-bottom: 2rem;
}

.confirmation-details-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--dmc-slate-border);
  margin-bottom: 1.25rem;
}

.details-label {
  font-size: 0.775rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--dmc-slate-muted);
  display: block;
  margin-bottom: 0.35rem;
}

.details-coin-val {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--dmc-ink);
  margin: 0;
}

.details-total-wrap {
  text-align: right;
}

.details-total-val {
  font-family: var(--dmc-font-mono);
  font-size: 1.75rem;
  font-weight: 900;
  color: var(--dmc-ink);
  margin: 0;
}

.wallet-copy-bar {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  background: #ffffff;
  border: 1px solid var(--dmc-slate-border);
  border-radius: var(--dmc-radius-md);
  padding: 0.5rem 0.75rem;
  margin-top: 0.35rem;
}

.wallet-copy-code {
  font-family: var(--dmc-font-mono);
  font-size: 0.85rem;
  color: var(--dmc-ink);
  flex: 1;
  word-break: break-all;
  font-weight: 600;
}

.btn-copy-wallet {
  white-space: nowrap;
  font-weight: 700;
  flex-shrink: 0;
}

.confirmation-notice-wrap {
  font-size: 0.85rem;
  color: var(--dmc-slate-body);
  line-height: 1.6;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--dmc-slate-border);
}

.notice-security-note {
  color: var(--dmc-slate-muted);
  font-size: 0.8rem;
  margin-top: 0.5rem;
}

.confirmation-items-heading {
  font-size: 1rem;
  font-weight: 800;
  color: var(--dmc-ink);
  margin-bottom: 0.85rem;
}

.confirmation-items-card {
  background: var(--dmc-slate-card);
  border: 1px solid var(--dmc-slate-border);
  border-radius: var(--dmc-radius-md);
  padding: 1.25rem;
  margin-bottom: 2rem;
}

.confirmation-item-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--dmc-slate-border);
}

.confirmation-item-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.confirmation-item-row:first-child {
  padding-top: 0;
}

.confirmation-item-title {
  color: var(--dmc-ink);
  font-size: 0.9rem;
}

.confirmation-item-qty {
  font-family: var(--dmc-font-mono);
  color: var(--dmc-slate-muted);
  font-size: 0.8rem;
  margin-left: 0.5rem;
}

.confirmation-item-status-note {
  font-size: 0.75rem;
  margin-top: 0.35rem;
}

.file-status-ready {
  color: var(--dmc-emerald);
  font-weight: 600;
}

.file-status-pending {
  color: var(--dmc-amber);
  font-style: italic;
}

.file-status-none {
  color: var(--dmc-slate-muted);
}

.file-download-btn-wrap {
  margin-top: 0.5rem;
}

.confirmation-item-price {
  font-family: var(--dmc-font-mono);
  font-weight: 700;
  color: var(--dmc-ink);
  font-size: 0.9rem;
}

.confirmation-action-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

@media (max-width: 640px) {
  .confirmation-action-buttons .btn {
    width: 100%;
  }
}