.copy-combo-select-block {
  position: relative;
  margin: 14px 0 13px;
  font-family: 'Source Code Pro', monospace;
}

.copy-combo-select-trigger,
.copy-combo-option {
  width: 100%;
  min-height: 46px;
  display: grid;
  grid-template-columns: 74px 1fr;
  align-items: stretch;
  padding: 0;
  border: 1px solid #d8d8d8;
  border-radius: 0;
  background: #fff;
  color: #232323;
  cursor: pointer;
  text-align: left;
  font: inherit;
}

.copy-combo-select-trigger::after {
  content: '';
  position: absolute;
  right: 17px;
  top: 50%;
  width: 8px;
  height: 8px;
  border-right: 2px solid #232323;
  border-bottom: 2px solid #232323;
  transform: translateY(-64%) rotate(45deg);
  pointer-events: auto;
}

.copy-combo-sku {
  display: flex;
  align-items: center;
  justify-content: center;
  background: #232323;
  color: #fff;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1;
}

.copy-combo-summary {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  padding: 0 44px 0 13px;
  background: #fdfdfd;
}

.copy-combo-dots {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  flex: 0 0 auto;
}

.copy-dot {
  width: 17px;
  height: 17px;
  border: 1px solid #ddd8d0;
  border-radius: 50%;
  background: #f5f5f5;
}

.copy-combo-names {
  overflow: hidden;
  color: #232323;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.035em;
  line-height: 1.25;
  text-overflow: ellipsis;
  text-transform: uppercase;
  white-space: nowrap;
}

.copy-combo-options {
  position: absolute;
  z-index: 40;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  max-height: 292px;
  overflow-y: auto;
  border: 1px solid #d8d8d8;
  background: #fff;
  box-shadow: 0 12px 26px rgba(35, 35, 35, 0.12);
}

.copy-combo-option {
  min-height: 42px;
  border: 0;
  border-bottom: 1px solid #ececec;
}

.copy-combo-option:hover,
.copy-combo-option.is-selected {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

.copy-combo-option:last-child {
  border-bottom: 0;
}

.copy-combo-select-trigger.is-placeholder .copy-combo-sku,
.copy-combo-placeholder-mark {
  background: #232323;
  color: #fff;
}

.copy-combo-placeholder-summary .copy-combo-names {
  color: #6f6f6f;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: none;
}

.copy-combo-select-label {
  margin: 0 0 7px;
  color: #232323;
  font-family: 'Source Code Pro', monospace;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.2;
  text-transform: uppercase;
}

.copy-custom-combo-panel {
  margin-top: 17px;
  opacity: 1;
  transition: opacity 0.24s ease, filter 0.24s ease;
}

.copy-custom-combo-panel:hover,
.copy-custom-combo-panel:focus-within {
  opacity: 1;
}

.copy-custom-color-card {
  border: 1px solid #d8d8d8;
  background: #fff;
  padding: 15px 15px 14px;
  margin-top: 10px;
}

.copy-custom-section-title {
  display: flex;
  align-items: center;
  gap: 13px;
  margin: 0 0 11px;
  color: #232323;
  font-family: 'Source Code Pro', monospace;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  line-height: 1.2;
  text-transform: uppercase;
}

.copy-custom-section-title::after {
  content: '';
  flex: 1 1 auto;
  height: 1px;
  background: #232323;
  opacity: 0.75;
}

.copy-custom-swatch-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(17px, 1fr));
  gap: 5px;
  pointer-events: auto;
}

.copy-custom-combo-panel:hover .copy-custom-swatch-grid,
.copy-custom-combo-panel:focus-within .copy-custom-swatch-grid {
  pointer-events: auto;
}

.copy-custom-swatch {
  display: grid;
  place-items: center;
  width: 20px;
  height: 20px;
  padding: 0;
  border: 1px solid transparent;
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
}

.copy-custom-swatch span {
  display: block;
  width: 17px;
  height: 17px;
  border: 1px solid #ddd8d0;
  border-radius: 50%;
}

.copy-custom-swatch:hover,
.copy-custom-swatch.is-selected {
  border-color: var(--accent);
}

/* Hide original open preset combo grid in the Step-03 copy demo. */
#step-3 .color-panel #color-content .combo-scroll {
  display: none;
}

/* Hide original native custom color layout; the demo custom palette above is the visible control. */
#step-3 .color-panel #color-content .custom-color-layout {
  display: none;
}

/* Step-03 copy column ratio: design / controls / preview. */
#step-3 .customizer-layout {
  grid-template-columns: 50% 22% 28%;
}

/* Step-03 copy enlarged pattern cards. */
#step-3 .pattern-grid {
  grid-template-columns: repeat(auto-fill, minmax(129px, 129px));
  gap: 12px;
}

#step-3 .pattern-name {
  font-size: 0.81rem;
  padding: 9px 5px;
  letter-spacing: 0.08em;
}

/* Step-03 copy unified Source Sans typography. */
#step-3,
#step-3 button,
#step-3 input,
#step-3 select,
#step-3 textarea,
#step-3 .panel-title,
#step-3 .panel-title span,
#step-3 .panel-description,
#step-3 .pattern-name,
#step-3 .copy-combo-select-label,
#step-3 .copy-combo-names,
#step-3 .copy-combo-sku,
#step-3 .copy-custom-section-title,
#step-3 .color-important-note {
  font-family: 'Source Sans Pro', 'Source Sans 3', Arial, sans-serif !important;
  font-size: 14px !important;
  font-weight: 600 !important;
  letter-spacing: 2px !important;
}

#step-3 .preview-selection-info .preview-info-grid {
  gap: 6px;
}

#step-3 .preview-selection-info {
  min-height: 0;
  margin-bottom: 0;
}

#step-3 .preview-selection-info .preview-info-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  min-width: 0;
  border-bottom: 1px solid var(--border);
  padding: 5px 0;
  font-family: 'Source Sans Pro', 'Source Sans 3', Arial, sans-serif;
}

#step-3 .preview-selection-info .preview-info-row span {
  min-width: 0;
  color: #232323;
  font-family: 'Source Sans Pro', 'Source Sans 3', Arial, sans-serif;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1.2px;
  line-height: 1.2;
  text-transform: uppercase;
}

#step-3 .preview-selection-info .preview-info-row strong {
  min-width: 0;
  color: #232323;
  font-family: 'Source Sans Pro', 'Source Sans 3', Arial, sans-serif;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.8px;
  line-height: 1.2;
  text-align: right;
  text-transform: uppercase;
}

#step-3 .preview-selection-info .preview-info-row .selected-size-value {
  text-transform: none;
}

#step-3 .panel-title,
#step-3 .panel-title span,
#step-3 .copy-combo-select-label,
#step-3 .copy-custom-section-title {
  text-transform: uppercase;
}


/* Step-03 copy color description override. */
#step-3 .color-panel .panel-description {
  font-family: 'Urbanist', Arial, sans-serif !important;
  font-size: 15px !important;
  font-weight: 500 !important;
  letter-spacing: 0.75px !important;
  line-height: 1.5 !important;
}

#step-3 .preview-panel-description {
  margin: 0 0 11px;
  color: #232323;
  font-family: 'Urbanist', Arial, sans-serif !important;
  font-size: 13px !important;
  font-weight: 500 !important;
  letter-spacing: 0.4px !important;
  line-height: 1.35 !important;
  text-align: left;
}

/* Step-03 copy custom palette redesign. */
#step-3 .color-mode-toggle {
  display: none !important;
}

#step-3 .copy-custom-palette-frame {
  border: 1px solid #d8d8d8;
  background: #fff;
  padding: 15px;
}

#step-3 .copy-custom-color-card {
  border: 0 !important;
  padding: 0 !important;
  margin: 0 !important;
  background: transparent !important;
}

#step-3 .copy-custom-color-card + .copy-custom-color-card {
  margin-top: 18px !important;
}

#step-3 .copy-custom-texture-card {
  width: 100%;
  margin: 18px 0 0 !important;
  padding: 0 !important;
  border: 0;
  background: transparent;
}

#step-3 .copy-custom-texture-card .panel-title {
  margin: 0 0 11px;
  font-size: 0.72rem !important;
  letter-spacing: 0.18em !important;
  line-height: 1.2 !important;
}

#step-3 .copy-custom-texture-card .texture-picker {
  width: 100%;
}

#step-3 .copy-custom-texture-card .texture-select {
  height: 42px;
  border: 1px solid #d8d8d8;
}

#step-3 .copy-custom-swatch-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, 24px);
  gap: clamp(2px, 0.28vw, 5px);
  justify-content: start;
  align-items: start;
  align-content: start;
  width: 100%;
  min-width: 0;
  overflow: visible;
}

#step-3 .copy-custom-swatch {
  width: 24px;
  height: 24px;
  min-width: 24px;
  min-height: 24px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1.5px solid transparent;
  border-radius: 50%;
  flex: 0 0 auto;
}

#step-3 .copy-custom-swatch span {
  width: 20px;
  height: 20px;
  display: block;
}

#step-3 .copy-custom-swatch:hover,
#step-3 .copy-custom-swatch.is-selected {
  border-color: #232323 !important;
  border-radius: 50% !important;
}

/* Force custom color swatches to stay circular despite global square button rules. */
#step-3 button.copy-custom-swatch {
  border-radius: 50% !important;
}

#step-3 button.copy-custom-swatch span {
  border-radius: 50% !important;
}
/* STEP-03 stronger preview loading overlay */
#step-3 .preview-container,
#step-3 .design-detail-preview {
  isolation: isolate;
}

#step-3 .preview-container::before,
#step-3 .design-detail-preview::before {
  content: '';
  position: absolute;
  inset: 5px;
  z-index: 18;
  opacity: 0;
  pointer-events: none;
  border: 2px solid #232323;
  background:
    linear-gradient(rgba(255,255,255,0.72), rgba(255,255,255,0.72)),
    linear-gradient(90deg, transparent 0%, #232323 45%, var(--accent) 55%, transparent 100%);
  background-size: 100% 100%, 230px 3px;
  background-repeat: no-repeat;
  background-position: center, -230px center;
  transition: opacity 120ms ease;
}

#step-3 .preview-container::after,
#step-3 .design-detail-preview::after {
  content: 'LOADING';
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 19;
  width: auto;
  height: auto;
  margin: 0;
  padding: 7px 13px;
  border: 1.5px solid #232323;
  border-radius: 0;
  background: #fff;
  color: #232323;
  font-family: 'Source Code Pro', 'Google Sans Code', monospace;
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  line-height: 1;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, -50%);
  transition: opacity 120ms ease;
  animation: none;
}

#step-3 .preview-container.is-loading::before,
#step-3 .design-detail-preview.is-loading::before {
  opacity: 1;
  animation: step03PreviewLoadLine 0.78s linear infinite;
}

#step-3 .preview-container.is-loading::after,
#step-3 .design-detail-preview.is-loading::after {
  opacity: 1;
}

@keyframes step03PreviewLoadLine {
  0% { background-position: center, -230px center; }
  100% { background-position: center, calc(100% + 230px) center; }
}
/* STEP-03 palette responsive guard */
#step-3 .copy-custom-palette-frame,
#step-3 .copy-custom-color-card,
#step-3 .copy-custom-combo-panel {
  min-width: 0;
  max-width: 100%;
  box-sizing: border-box;
}

@media (max-width: 1500px), (max-height: 850px) {
  #step-3 .copy-custom-palette-frame {
    padding: 12px;
  }

  #step-3 .copy-custom-color-card + .copy-custom-color-card {
    margin-top: 14px !important;
  }

  #step-3 .copy-custom-texture-card {
    margin-top: 14px !important;
  }

  #step-3 .copy-custom-swatch-grid {
    grid-template-columns: repeat(auto-fit, 22px);
    gap: 3px;
  }

  #step-3 .copy-custom-swatch {
    width: 22px;
    height: 22px;
    min-width: 22px;
    min-height: 22px;
  }

  #step-3 .copy-custom-swatch span {
    width: 18px;
    height: 18px;
  }
}

@media (max-width: 1260px), (max-height: 760px) {
  #step-3 .copy-custom-swatch-grid {
    grid-template-columns: repeat(auto-fit, 19px);
    gap: 2px;
  }

  #step-3 .copy-custom-swatch {
    width: 19px;
    height: 19px;
    min-width: 19px;
    min-height: 19px;
    border-width: 1px;
  }

  #step-3 .copy-custom-swatch span {
    width: 16px;
    height: 16px;
  }
}

/* STEP-03 on-demand custom color controls */
#step-3 .copy-custom-combo-toggle {
  width: 100%;
  min-height: 44px;
  margin: 0 0 14px;
  padding: 10px 16px;
  border: 1px solid #232323;
  border-radius: 0;
  background: #fff;
  color: #232323;
  font-family: 'Source Sans Pro', 'Source Sans 3', Arial, sans-serif;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1.6px;
  line-height: 1.2;
  text-align: center;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 180ms ease, color 180ms ease, border-color 180ms ease;
}

#step-3 .copy-custom-combo-toggle:hover,
#step-3 .copy-custom-combo-toggle.is-active {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
}

#step-3 .copy-custom-combo-panel.is-collapsed,
#step-3 .texture-panel.is-collapsed {
  display: none !important;
}

#step-3 .copy-custom-combo-panel:not(.is-collapsed) {
  margin-top: 0;
}
/* STEP-03 responsive palette containment */
#step-3 .color-panel {
  position: relative;
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  padding-right: 2px;
  scrollbar-width: thin;
  scrollbar-color: rgba(35,35,35,0.28) rgba(35,35,35,0.06);
}

#step-3 .color-panel::-webkit-scrollbar {
  width: 5px;
}

#step-3 .color-panel::-webkit-scrollbar-track {
  background: rgba(35,35,35,0.06);
}

#step-3 .color-panel::-webkit-scrollbar-thumb {
  background: rgba(35,35,35,0.28);
}

#step-3 .copy-custom-combo-panel {
  overflow: visible;
}

#step-3 .copy-custom-palette-frame {
  overflow: visible;
}

@media (max-height: 900px) {
  #step-3 .color-important-note {
    padding-top: 7px;
    padding-bottom: 7px;
    line-height: 1.32;
  }
}

@media (max-width: 1320px), (max-height: 760px) {
  #step-3 .customizer-control-column {
    padding-top: 28px;
    padding-bottom: 18px;
  }

  #step-3 .color-panel .panel-description {
    margin-bottom: 10px;
  }

  #step-3 .copy-combo-select-label,
  #step-3 .copy-custom-section-title {
    font-size: 12px !important;
    letter-spacing: 1.45px !important;
  }
}
/* STEP-03 responsive swatch grid refinement */
#step-3 .copy-custom-swatch-grid {
  --step03-swatch-size: 22px;
  --step03-swatch-dot: 19px;
  --step03-swatch-cell: 22px;
  grid-template-columns: repeat(auto-fill, minmax(var(--step03-swatch-cell), 1fr));
  gap: 3px 2px;
  justify-items: center;
}

#step-3 .copy-custom-swatch {
  width: var(--step03-swatch-size);
  height: var(--step03-swatch-size);
  min-width: var(--step03-swatch-size);
  min-height: var(--step03-swatch-size);
  max-width: var(--step03-swatch-size);
  max-height: var(--step03-swatch-size);
}

#step-3 .copy-custom-swatch span {
  width: var(--step03-swatch-dot);
  height: var(--step03-swatch-dot);
}

#step-3 .copy-custom-swatch:hover,
#step-3 .copy-custom-swatch.is-selected {
  transform: none !important;
}

@media (max-width: 1500px), (max-height: 850px) {
  #step-3 .copy-custom-swatch-grid {
    --step03-swatch-size: 20px;
    --step03-swatch-dot: 17px;
    --step03-swatch-cell: 20px;
    gap: 2px;
  }
}

@media (max-width: 1260px), (max-height: 760px) {
  #step-3 .copy-custom-swatch-grid {
    --step03-swatch-size: 18px;
    --step03-swatch-dot: 15px;
    --step03-swatch-cell: 18px;
    gap: 2px;
  }
}