/* ==========================================================================
   EONWEAR MASTER MOBILE-FIRST LUXURY EXCHANGE UI SYSTEM (V4.2)
   ========================================================================== */

#exchangeDialog {
  position: fixed !important;
  top: 50% !important;
  left: 50% !important;
  bottom: auto !important;
  right: auto !important;
  transform: translate(-50%, -50%) !important;
  margin: 0 !important;
  width: min(840px, calc(100vw - 32px)) !important;
  max-width: 840px !important;
  max-height: 90vh !important;
  border-radius: 16px !important;
  border: 1px solid rgba(0, 0, 0, 0.1) !important;
  box-shadow: 0 25px 60px -12px rgba(0, 0, 0, 0.35) !important;
  padding: 30px 24px !important;
  background: #ffffff !important;
  overflow-x: hidden !important;
  overflow-y: auto !important;
  -webkit-overflow-scrolling: touch !important;
  color: #111111 !important;
  box-sizing: border-box !important;
  font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif !important;
  z-index: 100000 !important;
}

#exchangeDialog::backdrop {
  background: rgba(0, 0, 0, 0.78) !important;
  backdrop-filter: blur(6px) !important;
}



#exchangeDialog > h2 {
  font-family: 'Outfit', 'Plus Jakarta Sans', sans-serif !important;
  font-size: 20px !important;
  font-weight: 800 !important;
  letter-spacing: -0.3px !important;
  margin: 0 0 16px !important;
  color: #111111 !important;
}

/* =======================================================
   PROGRESS BAR
   ======================================================= */
.exchange-progress {
  display: grid !important;
  grid-template-columns: repeat(3, 1fr) !important;
  border: 1.5px solid #e5e7eb !important;
  border-radius: 10px !important;
  overflow: hidden !important;
  background: #f9fafb !important;
  margin-bottom: 16px !important;
}

.progress-step {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 6px !important;
  padding: 10px 4px !important;
  font-size: 11px !important;
  font-weight: 700 !important;
  color: #6b7280 !important;
  border-right: 1px solid #e5e7eb !important;
  text-align: center !important;
}

.progress-step:last-child {
  border-right: none !important;
}

.progress-step i {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  width: 18px !important;
  height: 18px !important;
  border-radius: 50% !important;
  border: 1.5px solid #9ca3af !important;
  font-style: normal !important;
  font-size: 9.5px !important;
  font-weight: 800 !important;
  flex-shrink: 0 !important;
}

.progress-step.active {
  background: #111111 !important;
  color: #ffffff !important;
}

.progress-step.active i {
  border-color: #c5a880 !important;
  background: #c5a880 !important;
  color: #111111 !important;
}

.progress-step.done {
  color: #111111 !important;
}

.progress-step.done i {
  border-color: #10b981 !important;
  background: #10b981 !important;
  color: #ffffff !important;
}

/* Order Head */
.exchange-order-head {
  display: flex !important;
  justify-content: space-between !important;
  align-items: center !important;
  background: #f3f4f6 !important;
  border-radius: 8px !important;
  padding: 10px 14px !important;
  margin-bottom: 14px !important;
}

.exchange-order-head span {
  font-size: 9.5px !important;
  font-weight: 800 !important;
  color: #6b7280 !important;
  letter-spacing: 0.8px !important;
  display: block !important;
}

.exchange-order-head h3, .exchange-order-head b {
  font-size: 14px !important;
  font-weight: 800 !important;
  color: #111111 !important;
  margin: 0 !important;
}

.exchange-stage-title {
  padding: 6px 0 14px !important;
}

.exchange-stage-title > span {
  font-size: 10.5px !important;
  font-weight: 800 !important;
  letter-spacing: 1px !important;
  color: #c5a880 !important;
  text-transform: uppercase !important;
}

.exchange-stage-title h3 {
  font-family: 'Outfit', sans-serif !important;
  font-size: 19px !important;
  font-weight: 800 !important;
  color: #111111 !important;
  margin: 4px 0 4px !important;
}

.exchange-stage-title p {
  color: #6b7280 !important;
  font-size: 12px !important;
  margin: 0 !important;
  line-height: 1.4 !important;
}

/* =======================================================
   STAGE 1: ÜRÜN SEÇİM KARTLARI
   ======================================================= */
.exchange-source-list, .exchange-slot-list {
  display: flex !important;
  flex-direction: column !important;
  gap: 12px !important;
}

.exchange-source {
  border: 1.5px solid #e5e7eb !important;
  border-radius: 12px !important;
  background: #ffffff !important;
  padding: 12px !important;
  transition: all 0.2s ease !important;
}

.exchange-source.selected {
  border-color: #111111 !important;
  background: #fafafa !important;
  box-shadow: 0 4px 12px rgba(0,0,0,0.06) !important;
}

.source-toggle {
  display: flex !important;
  align-items: center !important;
  gap: 12px !important;
  border: none !important;
  background: transparent !important;
  text-align: left !important;
  cursor: pointer !important;
  width: 100% !important;
  padding: 0 !important;
}

.source-check {
  width: 24px !important;
  height: 24px !important;
  border-radius: 6px !important;
  border: 2px solid #d1d5db !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  font-size: 13px !important;
  font-weight: 800 !important;
  flex-shrink: 0 !important;
}

.selected .source-check {
  border-color: #111111 !important;
  background: #111111 !important;
  color: #ffffff !important;
}

.source-img {
  width: 58px !important;
  height: 58px !important;
  border-radius: 8px !important;
  object-fit: cover !important;
  border: 1px solid #e5e7eb !important;
  flex-shrink: 0 !important;
}

.source-details {
  display: flex !important;
  flex-direction: column !important;
  gap: 2px !important;
  flex: 1 !important;
  min-width: 0 !important;
}

.source-size-badge {
  font-size: 10px !important;
  font-weight: 800 !important;
  color: #9ca3af !important;
  letter-spacing: 0.5px !important;
}

.source-product-title {
  font-size: 13px !important;
  font-weight: 700 !important;
  color: #111111 !important;
  white-space: nowrap !important;
  overflow: hidden !important;
  text-overflow: ellipsis !important;
}

.source-bought-count {
  font-size: 11.5px !important;
  color: #6b7280 !important;
}

.source-qty-row {
  display: flex !important;
  justify-content: space-between !important;
  align-items: center !important;
  margin-top: 10px !important;
  padding-top: 10px !important;
  border-top: 1px solid #f3f4f6 !important;
}

.source-qty-label {
  font-size: 11px !important;
  font-weight: 800 !important;
  color: #374151 !important;
}

.source-qty-controls {
  display: flex !important;
  align-items: center !important;
  gap: 8px !important;
  background: #f3f4f6 !important;
  padding: 4px 8px !important;
  border-radius: 8px !important;
}

.btn-stepper {
  width: 28px !important;
  height: 28px !important;
  border-radius: 6px !important;
  border: 1px solid #d1d5db !important;
  background: #ffffff !important;
  font-weight: 800 !important;
  font-size: 15px !important;
  cursor: pointer !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
}

.stepper-val {
  font-size: 13px !important;
  min-width: 18px !important;
  text-align: center !important;
}

/* =======================================================
   STAGE 2: SLOT CARDS & TABS
   ======================================================= */
.exchange-slot {
  border: 1.5px solid #e5e7eb !important;
  border-radius: 12px !important;
  background: #ffffff !important;
  padding: 14px !important;
}

.exchange-slot.complete {
  border-color: #10b981 !important;
}

.slot-header {
  display: flex !important;
  justify-content: space-between !important;
  align-items: center !important;
  border-bottom: 1px solid #f3f4f6 !important;
  padding-bottom: 8px !important;
  margin-bottom: 12px !important;
}

.slot-num {
  font-size: 10.5px !important;
  font-weight: 800 !important;
  color: #6b7280 !important;
}

.slot-status-ok {
  color: #10b981 !important;
  font-size: 11px !important;
  font-weight: 800 !important;
}

.slot-status-waiting {
  color: #f59e0b !important;
  font-size: 11px !important;
  font-weight: 800 !important;
}

.exchange-from-card {
  display: flex !important;
  align-items: center !important;
  gap: 10px !important;
  background: #f9fafb !important;
  border-radius: 8px !important;
  padding: 10px 12px !important;
  margin-bottom: 12px !important;
}

.from-img {
  width: 44px !important;
  height: 44px !important;
  border-radius: 6px !important;
  object-fit: cover !important;
}

.from-info small {
  font-size: 9.5px !important;
  font-weight: 800 !important;
  color: #9ca3af !important;
  display: block !important;
}

.from-info b {
  font-size: 12.5px !important;
  color: #111111 !important;
  display: block !important;
}

.from-info span {
  font-size: 11px !important;
  color: #6b7280 !important;
}

/* Mode Tabs */
.exchange-mode-tabs {
  display: grid !important;
  grid-template-columns: 1fr 1fr !important;
  gap: 8px !important;
  margin-bottom: 12px !important;
}

.mode-tab {
  height: 42px !important;
  border-radius: 8px !important;
  border: 1.5px solid #d1d5db !important;
  background: #ffffff !important;
  color: #4b5563 !important;
  font-size: 11.5px !important;
  font-weight: 800 !important;
  cursor: pointer !important;
  transition: all 0.15s ease !important;
}

.mode-tab.active {
  background: #111111 !important;
  color: #ffffff !important;
  border-color: #111111 !important;
  box-shadow: 0 2px 8px rgba(0,0,0,0.12) !important;
}

.exchange-target-card {
  display: flex !important;
  align-items: center !important;
  gap: 12px !important;
  background: #f3f4f6 !important;
  padding: 10px 12px !important;
  border-radius: 10px !important;
  margin-bottom: 14px !important;
}

.target-img {
  width: 50px !important;
  height: 50px !important;
  border-radius: 6px !important;
  object-fit: cover !important;
  flex-shrink: 0 !important;
}

.target-info {
  flex: 1 !important;
  min-width: 0 !important;
  display: flex !important;
  flex-direction: column !important;
  gap: 2px !important;
}

.target-info small {
  font-size: 9.5px !important;
  font-weight: 800 !important;
  color: #6b7280 !important;
}

.target-title {
  font-size: 12.5px !important;
  font-weight: 700 !important;
  color: #111111 !important;
  white-space: nowrap !important;
  overflow: hidden !important;
  text-overflow: ellipsis !important;
}

.target-price-row {
  display: flex !important;
  align-items: center !important;
  gap: 6px !important;
  font-size: 12px !important;
}

.badge-diff-plus {
  background: #fee2e2 !important;
  color: #dc2626 !important;
  font-size: 10px !important;
  font-weight: 800 !important;
  padding: 2px 6px !important;
  border-radius: 4px !important;
}

.badge-diff-minus {
  background: #ecfdf5 !important;
  color: #059669 !important;
  font-size: 10px !important;
  font-weight: 800 !important;
  padding: 2px 6px !important;
  border-radius: 4px !important;
}

.badge-diff-fee {
  background: #fef3c7 !important;
  color: #b45309 !important;
  font-size: 10.5px !important;
  font-weight: 800 !important;
  padding: 2px 7px !important;
  border-radius: 4px !important;
  border: 1px solid #fde68a !important;
  display: inline-flex !important;
  align-items: center !important;
}

.btn-change-target {
  padding: 8px 12px !important;
  background: #ffffff !important;
  border: 1.5px solid #111111 !important;
  color: #111111 !important;
  border-radius: 6px !important;
  font-size: 11px !important;
  font-weight: 800 !important;
  cursor: pointer !important;
}

/* Size Pills */
.size-sec-header {
  display: flex !important;
  justify-content: space-between !important;
  align-items: center !important;
  margin-bottom: 8px !important;
}

.size-sec-header b {
  font-size: 11px !important;
  font-weight: 800 !important;
  color: #374151 !important;
}

.size-sec-header small {
  font-size: 10.5px !important;
  color: #9ca3af !important;
}

.exchange-sizes-row {
  display: flex !important;
  flex-wrap: wrap !important;
  gap: 8px !important;
}

.size-pill-btn {
  min-width: 52px !important;
  height: 42px !important;
  padding: 0 12px !important;
  border-radius: 8px !important;
  border: 1.5px solid #d1d5db !important;
  background: #ffffff !important;
  color: #111111 !important;
  font-size: 13px !important;
  font-weight: 800 !important;
  cursor: pointer !important;
  transition: all 0.15s ease !important;
  display: inline-flex !important;
  flex-direction: column !important;
  align-items: center !important;
  justify-content: center !important;
}

.size-pill-btn.active {
  background: #111111 !important;
  color: #ffffff !important;
  border-color: #111111 !important;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2) !important;
}

.size-pill-btn:disabled {
  opacity: 0.35 !important;
  cursor: not-allowed !important;
}

.size-sub-tag {
  font-size: 8px !important;
  line-height: 1 !important;
  opacity: 0.7 !important;
}

.exchange-picked-summary {
  display: flex !important;
  justify-content: space-between !important;
  align-items: center !important;
  background: #ecfdf5 !important;
  border: 1px solid #a7f3d0 !important;
  border-radius: 8px !important;
  padding: 10px 12px !important;
  margin-top: 12px !important;
  font-size: 11.5px !important;
}

.exchange-picked-summary span {
  font-weight: 800 !important;
  color: #065f46 !important;
}

.exchange-picked-summary b {
  font-weight: 800 !important;
  color: #047857 !important;
}

/* =======================================================
   STAGE 3: IBAN & PAYMENT
   ======================================================= */
.exchange-review-box {
  border: 1.5px solid #e5e7eb !important;
  border-radius: 10px !important;
  overflow: hidden !important;
  margin-bottom: 16px !important;
}

.review-head {
  background: #f9fafb !important;
  padding: 8px 12px !important;
  font-size: 10.5px !important;
  font-weight: 800 !important;
  color: #6b7280 !important;
  border-bottom: 1px solid #e5e7eb !important;
}

.review-item-row {
  display: flex !important;
  align-items: center !important;
  gap: 10px !important;
  padding: 10px 12px !important;
  border-bottom: 1px solid #f3f4f6 !important;
  background: #ffffff !important;
}

.review-item-row:last-child {
  border-bottom: none !important;
}

.review-idx {
  width: 22px !important;
  height: 22px !important;
  border-radius: 50% !important;
  background: #111111 !important;
  color: #ffffff !important;
  font-size: 10px !important;
  font-style: normal !important;
  font-weight: 800 !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  flex-shrink: 0 !important;
}

.review-item-txt small {
  display: block !important;
  color: #6b7280 !important;
  font-size: 11px !important;
}

.review-item-txt b {
  display: block !important;
  font-size: 12.5px !important;
  color: #111111 !important;
}

.exchange-payment-card {
  background: #fefce8 !important;
  border: 1.5px solid #fde047 !important;
  border-radius: 12px !important;
  padding: 16px !important;
  margin-bottom: 16px !important;
}

.pay-card-kicker {
  font-size: 10px !important;
  font-weight: 800 !important;
  color: #854d0e !important;
  letter-spacing: 1px !important;
  text-transform: uppercase !important;
}

.exchange-payment-card h4 {
  font-size: 14px !important;
  font-weight: 700 !important;
  color: #713f12 !important;
  margin: 6px 0 12px !important;
}

.exchange-iban-box {
  background: #111111 !important;
  color: #ffffff !important;
  border-radius: 10px !important;
  padding: 14px !important;
  display: flex !important;
  justify-content: space-between !important;
  align-items: center !important;
  margin: 10px 0 !important;
}

.iban-info small {
  color: #9ca3af !important;
  font-size: 10px !important;
  display: block !important;
}

.iban-info strong {
  font-family: monospace !important;
  font-size: 13.5px !important;
  color: #e5c99e !important;
  letter-spacing: 0.5px !important;
}

.btn-copy-iban {
  background: #ffffff !important;
  color: #111111 !important;
  border: none !important;
  border-radius: 6px !important;
  padding: 8px 14px !important;
  font-size: 11px !important;
  font-weight: 800 !important;
  cursor: pointer !important;
  flex-shrink: 0 !important;
}

.pay-breakdown {
  display: grid !important;
  gap: 6px !important;
  margin: 12px 0 !important;
  font-size: 11.5px !important;
}

.pay-breakdown > div {
  display: flex !important;
  justify-content: space-between !important;
  padding: 4px 0 !important;
  border-bottom: 1px solid #fef08a !important;
}

.breakdown-total {
  border-bottom: none !important;
  padding-top: 8px !important;
  font-size: 13.5px !important;
  font-weight: 800 !important;
  color: #111111 !important;
}

.exchange-paid-checkbox {
  display: flex !important;
  align-items: center !important;
  gap: 10px !important;
  background: #ffffff !important;
  padding: 12px !important;
  border-radius: 8px !important;
  border: 1px solid #e5e7eb !important;
  margin-top: 10px !important;
  font-size: 11.5px !important;
  cursor: pointer !important;
}

.exchange-paid-checkbox input {
  width: 18px !important;
  height: 18px !important;
  cursor: pointer !important;
}

/* =======================================================
   STICKY STAGE FOOTER BUTTONS
   ======================================================= */
.exchange-stage-foot {
  display: flex !important;
  justify-content: space-between !important;
  align-items: center !important;
  gap: 10px !important;
  margin-top: 20px !important;
  padding-top: 14px !important;
  border-top: 1.5px solid #e5e7eb !important;
}

.foot-summary-text span {
  font-size: 10px !important;
  font-weight: 800 !important;
  color: #6b7280 !important;
  display: block !important;
}

.foot-summary-text b {
  font-size: 14px !important;
  color: #111111 !important;
}

.btn-foot-primary {
  height: 48px !important;
  padding: 0 24px !important;
  border-radius: 8px !important;
  background: #111111 !important;
  color: #ffffff !important;
  font-size: 12.5px !important;
  font-weight: 800 !important;
  letter-spacing: 0.6px !important;
  border: none !important;
  cursor: pointer !important;
  flex: 1 !important;
}

.btn-foot-secondary {
  height: 48px !important;
  padding: 0 18px !important;
  border-radius: 8px !important;
  background: #ffffff !important;
  color: #374151 !important;
  font-size: 12px !important;
  font-weight: 800 !important;
  border: 1.5px solid #d1d5db !important;
  cursor: pointer !important;
}

/* =======================================================
   RETURN CODE DISPLAY
   ======================================================= */
.exchange-code-ready, .exchange-code-state {
  text-align: center !important;
  padding: 24px 10px !important;
}

.ready-check-icon {
  width: 52px !important;
  height: 52px !important;
  border-radius: 50% !important;
  background: #10b981 !important;
  color: #ffffff !important;
  font-size: 26px !important;
  font-weight: 800 !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  margin: 0 auto 12px !important;
}

.return-code-box {
  background: #f0fdf4 !important;
  border: 2px dashed #86efac !important;
  border-radius: 12px !important;
  padding: 20px !important;
  margin: 16px auto !important;
  max-width: 480px !important;
}

.return-code-box small {
  font-size: 10.5px !important;
  font-weight: 800 !important;
  color: #166534 !important;
  letter-spacing: 1px !important;
  display: block !important;
}

.return-code-box strong {
  font-family: monospace !important;
  font-size: 28px !important;
  font-weight: 900 !important;
  color: #15803d !important;
  display: block !important;
  margin: 8px 0 12px !important;
  letter-spacing: 1px !important;
}

.btn-copy-code {
  background: #15803d !important;
  color: #ffffff !important;
  border: none !important;
  border-radius: 6px !important;
  padding: 8px 20px !important;
  font-size: 12px !important;
  font-weight: 800 !important;
  cursor: pointer !important;
}

.ptt-instruction-card {
  background: #f9fafb !important;
  border: 1.5px solid #e5e7eb !important;
  border-radius: 10px !important;
  padding: 16px !important;
  max-width: 480px !important;
  margin: 0 auto 16px !important;
  text-align: left !important;
}

.ptt-instruction-card b {
  font-size: 11.5px !important;
  font-weight: 800 !important;
  color: #111111 !important;
}

.ptt-instruction-card p {
  font-size: 12px !important;
  color: #4b5563 !important;
  margin: 6px 0 0 !important;
  line-height: 1.5 !important;
}

/* =======================================================
   FULLSCREEN MOBILE CATALOG MODAL (.exchange-catalog)
   ======================================================= */
dialog.exchange-catalog {
  width: min(840px, calc(100% - 20px)) !important;
  max-width: 840px !important;
  height: min(90vh, 800px) !important;
  border-radius: 16px !important;
  border: 1px solid rgba(0,0,0,0.1) !important;
  box-shadow: 0 30px 90px rgba(0,0,0,0.45) !important;
  padding: 0 !important;
  background: #ffffff !important;
  position: fixed !important;
  top: 50% !important;
  left: 50% !important;
  transform: translate(-50%, -50%) !important;
  margin: 0 !important;
  overflow: hidden !important;
  color: #111111 !important;
  box-sizing: border-box !important;
  z-index: 100002 !important;
}

dialog.exchange-catalog::backdrop {
  background: rgba(0, 0, 0, 0.85) !important;
  backdrop-filter: blur(8px) !important;
  z-index: 100001 !important;
}

@media (max-width: 768px) {
  dialog.exchange-catalog {
    width: 100% !important;
    max-width: 100% !important;
    height: 100dvh !important;
    max-height: 100dvh !important;
    border-radius: 0 !important;
    top: 0 !important;
    left: 0 !important;
    transform: none !important;
  }
}

.catalog-modal-inner {
  display: flex !important;
  flex-direction: column !important;
  height: 100% !important;
  width: 100% !important;
}

.catalog-header-sticky {
  background: #ffffff !important;
  border-bottom: 1.5px solid #e5e7eb !important;
  padding: 16px 18px 12px !important;
  flex-shrink: 0 !important;
}

.catalog-header-top {
  display: flex !important;
  justify-content: space-between !important;
  align-items: flex-start !important;
  margin-bottom: 10px !important;
}

.catalog-sub-badge {
  font-size: 10px !important;
  font-weight: 800 !important;
  letter-spacing: 1px !important;
  color: #c5a880 !important;
}

.catalog-title {
  font-family: 'Outfit', sans-serif !important;
  font-size: 18px !important;
  font-weight: 800 !important;
  color: #111111 !important;
  margin: 2px 0 0 !important;
}

.catalog-close {
  width: 36px !important;
  height: 36px !important;
  border-radius: 50% !important;
  border: 1px solid #e5e7eb !important;
  background: #f3f4f6 !important;
  color: #111111 !important;
  font-size: 20px !important;
  font-weight: 700 !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  cursor: pointer !important;
}

.catalog-search-wrap {
  display: flex !important;
  align-items: center !important;
  gap: 8px !important;
  background: #f9fafb !important;
  border: 1.5px solid #d1d5db !important;
  border-radius: 8px !important;
  padding: 0 12px !important;
  margin-bottom: 10px !important;
}

.catalog-search-icon {
  font-size: 14px !important;
  color: #9ca3af !important;
}

.catalog-search-wrap input {
  width: 100% !important;
  height: 40px !important;
  border: none !important;
  background: transparent !important;
  font-size: 13.5px !important;
  outline: none !important;
  color: #111111 !important;
}

/* Quick Category Filter Pills */
.catalog-cat-pills {
  display: flex !important;
  gap: 6px !important;
  overflow-x: auto !important;
  -webkit-overflow-scrolling: touch !important;
  padding-bottom: 4px !important;
  scrollbar-width: none !important;
}

.catalog-cat-pills::-webkit-scrollbar {
  display: none !important;
}

.cat-pill-btn {
  padding: 6px 12px !important;
  border-radius: 20px !important;
  border: 1px solid #d1d5db !important;
  background: #ffffff !important;
  color: #4b5563 !important;
  font-size: 11px !important;
  font-weight: 700 !important;
  white-space: nowrap !important;
  cursor: pointer !important;
  flex-shrink: 0 !important;
}

.cat-pill-btn.active {
  background: #111111 !important;
  color: #ffffff !important;
  border-color: #111111 !important;
}

.catalog-grid-wrap {
  flex: 1 !important;
  overflow-y: auto !important;
  -webkit-overflow-scrolling: touch !important;
  padding: 14px !important;
}

.catalog-grid {
  display: grid !important;
  grid-template-columns: repeat(3, 1fr) !important;
  gap: 12px !important;
}

@media (max-width: 768px) {
  .catalog-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 10px !important;
    padding-bottom: 40px !important;
  }
}

.catalog-item-card {
  display: flex !important;
  flex-direction: column !important;
  background: #ffffff !important;
  border: 1.5px solid #e5e7eb !important;
  border-radius: 10px !important;
  overflow: hidden !important;
  transition: all 0.2s ease !important;
}

.catalog-card-media {
  position: relative !important;
  width: 100% !important;
  padding-top: 120% !important;
  background: #f3f4f6 !important;
}

.catalog-card-media img {
  position: absolute !important;
  top: 0 !important;
  left: 0 !important;
  width: 100% !important;
  height: 100% !important;
  object-fit: cover !important;
}

.catalog-card-diff {
  position: absolute !important;
  top: 6px !important;
  left: 6px !important;
  padding: 3px 6px !important;
  border-radius: 4px !important;
  font-size: 9.5px !important;
  font-weight: 800 !important;
}

.catalog-card-diff.higher {
  background: #fee2e2 !important;
  color: #dc2626 !important;
}

.catalog-card-diff.lower {
  background: #ecfdf5 !important;
  color: #059669 !important;
}

.catalog-card-diff.same {
  background: rgba(17,17,17,0.85) !important;
  color: #ffffff !important;
}

.catalog-card-info {
  padding: 10px !important;
  display: flex !important;
  flex-direction: column !important;
  gap: 4px !important;
  flex: 1 !important;
}

.catalog-card-title {
  font-size: 12px !important;
  font-weight: 700 !important;
  color: #111111 !important;
  margin: 0 !important;
  display: -webkit-box !important;
  -webkit-line-clamp: 2 !important;
  -webkit-box-orient: vertical !important;
  overflow: hidden !important;
  line-height: 1.3 !important;
}

.catalog-card-price {
  font-size: 13px !important;
  font-weight: 800 !important;
  color: #c5a880 !important;
}

.btn-catalog-pick {
  margin-top: auto !important;
  height: 36px !important;
  background: #111111 !important;
  color: #ffffff !important;
  border: none !important;
  border-radius: 6px !important;
  font-size: 11px !important;
  font-weight: 800 !important;
  cursor: pointer !important;
  width: 100% !important;
}

.catalog-empty-msg {
  grid-column: 1 / -1 !important;
  text-align: center !important;
  padding: 48px 16px !important;
  color: #6b7280 !important;
}


/* ==========================================================================
   EONWEAR MOBILE-NATIVE LUXURY DIALOG & BOTTOM SHEET SYSTEM (ENHANCED)
   ========================================================================== */

.modal-drag-handle,
.exchange-drag-handle {
  width: 44px !important;
  height: 4.5px !important;
  border-radius: 3px !important;
  background: #cbd5e1 !important;
  margin: 2px auto 14px auto !important;
  display: block !important;
}

#exchangeDialog .dialog-close {
  position: absolute !important;
  top: 14px !important;
  right: 14px !important;
  width: 38px !important;
  height: 38px !important;
  border-radius: 50% !important;
  background: #f1f5f9 !important;
  border: 1px solid #e2e8f0 !important;
  color: #0f172a !important;
  font-size: 22px !important;
  font-weight: 700 !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  cursor: pointer !important;
  z-index: 100 !important;
  transition: all 0.15s ease !important;
  touch-action: manipulation !important;
  -webkit-tap-highlight-color: transparent !important;
}

#exchangeDialog .dialog-close:active {
  transform: scale(0.92) !important;
  background: #e2e8f0 !important;
}

@keyframes exchangeSheetSlideUpMobile {
  from {
    transform: translateY(100%);
    opacity: 0.8;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@media (max-width: 768px) {
  #exchangeDialog {
    position: fixed !important;
    top: auto !important;
    bottom: 0 !important;
    left: 0 !important;
    right: 0 !important;
    transform: none !important;
    margin: 0 !important;
    width: 100% !important;
    max-width: 100% !important;
    height: auto !important;
    max-height: 92dvh !important;
    min-height: 50vh !important;
    border-radius: 24px 24px 0 0 !important;
    border: none !important;
    box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.4) !important;
    padding: 14px 16px 40px !important;
    padding-bottom: max(36px, env(safe-area-inset-bottom, 24px)) !important;
    overflow-x: hidden !important;
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch !important;
    box-sizing: border-box !important;
    z-index: 100000 !important;
  }

  #exchangeDialog[open] {
    animation: exchangeSheetSlideUpMobile 0.28s cubic-bezier(0.16, 1, 0.3, 1) forwards !important;
  }

  /* Form & Input Enhancements (CRITICAL: font-size 16px prevents iOS Safari auto-zoom!) */
  #exchangeDialog input,
  #exchangeDialog select,
  #exchangeDialog textarea,
  #exchangeLookupForm input {
    font-size: 16px !important;
    min-height: 48px !important;
    border-radius: 10px !important;
    padding: 12px 14px !important;
    border: 1.5px solid #cbd5e1 !important;
    background: #ffffff !important;
    color: #0f172a !important;
    box-sizing: border-box !important;
    -webkit-appearance: none !important;
  }

  #exchangeDialog input:focus,
  #exchangeDialog select:focus,
  #exchangeDialog textarea:focus {
    border-color: #0f172a !important;
    outline: none !important;
    box-shadow: 0 0 0 3px rgba(15,23,42,0.1) !important;
  }

  #exchangeDialog label {
    font-size: 11.5px !important;
    font-weight: 700 !important;
    margin-bottom: 6px !important;
    color: #475569 !important;
    letter-spacing: 0.3px !important;
  }

  /* Progress Bar Mobile */
  .exchange-progress {
    margin-bottom: 14px !important;
    border-radius: 10px !important;
  }
  .progress-step {
    padding: 8px 4px !important;
    font-size: 10px !important;
    gap: 4px !important;
  }
  .progress-step i {
    width: 16px !important;
    height: 16px !important;
    font-size: 9px !important;
  }

  /* Source Item Selection Mobile */
  .exchange-source {
    padding: 12px 10px !important;
    border-radius: 12px !important;
  }
  .source-toggle {
    gap: 10px !important;
  }
  .source-img {
    width: 52px !important;
    height: 52px !important;
    border-radius: 8px !important;
  }
  .source-product-title {
    font-size: 13px !important;
    line-height: 1.35 !important;
    white-space: normal !important;
    display: -webkit-box !important;
    -webkit-line-clamp: 2 !important;
    -webkit-box-orient: vertical !important;
    overflow: hidden !important;
  }
  .source-qty-row {
    padding-top: 10px !important;
    margin-top: 10px !important;
  }
  .btn-stepper {
    width: 44px !important;
    height: 42px !important;
    font-size: 18px !important;
    border-radius: 8px !important;
    touch-action: manipulation !important;
  }
  .stepper-val {
    font-size: 15px !important;
    min-width: 32px !important;
    text-align: center !important;
  }

  /* Replacement Slot & Variant Chips Mobile */
  .exchange-slot {
    padding: 14px 12px !important;
    border-radius: 12px !important;
  }
  .slot-mode-tabs {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: 6px !important;
  }
  .btn-slot-mode {
    height: 42px !important;
    font-size: 11.5px !important;
    padding: 0 8px !important;
    border-radius: 8px !important;
  }
  .slot-variant-grid {
    display: flex !important;
    flex-wrap: wrap !important;
    gap: 8px !important;
  }
  .btn-variant-pill {
    min-width: 52px !important;
    height: 44px !important;
    font-size: 14px !important;
    font-weight: 800 !important;
    border-radius: 8px !important;
    padding: 0 12px !important;
    touch-action: manipulation !important;
  }

  /* Sticky Footer Action Buttons on Mobile */
  .exchange-stage-foot {
    position: sticky !important;
    bottom: 0 !important;
    background: #ffffff !important;
    padding: 12px 0 4px !important;
    margin-top: 16px !important;
    border-top: 1px solid #e2e8f0 !important;
    box-shadow: 0 -8px 20px rgba(0, 0, 0, 0.05) !important;
    z-index: 10 !important;
  }
  .btn-foot-primary {
    height: 50px !important;
    font-size: 13.5px !important;
    font-weight: 800 !important;
    border-radius: 10px !important;
    touch-action: manipulation !important;
  }
  .btn-foot-secondary {
    height: 50px !important;
    font-size: 12.5px !important;
    border-radius: 10px !important;
    touch-action: manipulation !important;
  }

  /* Catalog Picker Modal Mobile */
  dialog.exchange-catalog {
    width: 100% !important;
    max-width: 100% !important;
    max-height: 94dvh !important;
    border-radius: 24px 24px 0 0 !important;
    bottom: 0 !important;
    top: auto !important;
    left: 0 !important;
    right: 0 !important;
    padding: 0 !important;
    box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.4) !important;
    animation: exchangeSheetSlideUpMobile 0.28s cubic-bezier(0.16, 1, 0.3, 1) forwards !important;
  }
  .catalog-header-sticky {
    padding: 14px 16px !important;
  }
  .catalog-cat-nav {
    gap: 6px !important;
    padding-bottom: 4px !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
  }
  .catalog-product-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 10px !important;
    padding: 12px 14px 80px !important;
  }

  /* Saved Exchanges Radar Mobile */
  .exchange-approved-card,
  .exchange-pending-card {
    padding: 14px 12px !important;
    border-radius: 12px !important;
  }
  .exchange-approved-card div[style*="font-size:26px"],
  .exchange-approved-card div[style*="font-size: 26px"] {
    font-size: 22px !important;
    letter-spacing: 2px !important;
  }
  .btn-copy-saved-code {
    width: 100% !important;
    justify-content: center !important;
    height: 44px !important;
    font-size: 13px !important;
  }
  .ptt-instruction-card {
    padding: 12px !important;
  }
  .ptt-instruction-card ol {
    font-size: 11.5px !important;
    line-height: 1.6 !important;
    padding-left: 16px !important;
  }
}

#exchangeDialog, #exchangeDialog * {
  box-sizing: border-box !important;
}

/* =======================================================
   EXCHANGE CONDITION CHECKBOX (LABEL & 3 DAYS RULE)
   ======================================================= */
.exchange-condition-checkbox {
  display: flex !important;
  align-items: flex-start !important;
  gap: 12px !important;
  background: #fffbeb !important;
  border: 1.5px solid #fde68a !important;
  border-radius: 10px !important;
  padding: 13px 14px !important;
  margin: 14px 0 16px !important;
  cursor: pointer !important;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04) !important;
  transition: background 0.15s ease, border-color 0.15s ease !important;
  -webkit-tap-highlight-color: transparent !important;
}

.exchange-condition-checkbox:hover, .exchange-condition-checkbox:active {
  background: #fef3c7 !important;
  border-color: #f59e0b !important;
}

.exchange-condition-checkbox input[type="checkbox"] {
  width: 20px !important;
  height: 20px !important;
  min-width: 20px !important;
  margin-top: 2px !important;
  cursor: pointer !important;
  accent-color: #0f172a !important;
}