/* features.css (special features) */
/* Split from legacy style.css */


.mask-tool-btn {
  padding: 0.45rem 0.4rem;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
}

.mask-tool-more {
  font-size: 1rem;
  line-height: 1;
  padding: 0.35rem 0.4rem;
}

/* Pattern blending controls (Edges/Dots/Lines toggles + weights) */
.pattern-blend-controls {
  display: grid;
  gap: 0.5rem;
  margin: 0;
  padding: 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.12);
}

.pattern-blend-mode-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  align-items: center;
}

.pattern-blend-mode-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.pattern-blend-mode {
  width: 100%;
  padding: 0.35rem 0.45rem;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(0, 0, 0, 0.35);
  color: var(--text);
}

.pattern-blend-row {
  display: grid;
  grid-template-columns: auto 1fr auto auto 1fr;
  align-items: center;
  gap: 0.5rem;
}

.pattern-settings-icon {
  width: 28px;
  height: 28px;
  padding: 0.25rem;
  border: 1px solid var(--dark-border);
  border-radius: 6px;
  background: rgba(0, 255, 255, 0.05);
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pattern-settings-icon:hover {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
  background: rgba(0, 255, 255, 0.12);
  transform: scale(1.05);
}

.pattern-blend-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.pattern-blend-weight-label {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.pattern-blend-weight:disabled {
  opacity: 0.55;
  filter: grayscale(1);
}

.mask-tool-btn.active {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
  background: rgba(0, 255, 255, 0.12);
}

.mask-editor-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.65rem;
}

.mask-editor-controls:not(.expanded) .mask-editor-item--feather,
.mask-editor-controls:not(.expanded) .mask-editor-item--shape,
.mask-editor-controls:not(.expanded) .mask-editor-item--result,
.mask-editor-controls:not(.expanded) .mask-editor-hint {
  display: none;
}

.mask-editor-controls:not(.expanded) #maskZoomReset {
  display: none;
}

.mask-editor-controls:not(.expanded) .mask-editor-zoom-row {
  grid-template-columns: 1fr 1fr;
}

.mask-editor-item {
  display: grid;
  gap: 0.35rem;
  place-items: center;
  text-align: center;
}

.mask-editor-item input[type="checkbox"] {
  transform: scale(1.1);
}

.mask-editor-item input[type="range"] {
  max-width: 260px;
}

.mask-editor-item select {
  width: 100%;
  max-width: 260px;
  padding: 0.45rem 0.6rem;
  border: 1px solid var(--dark-border);
  border-radius: 6px;
  background: rgba(0, 255, 255, 0.05);
  color: var(--text-primary);
}

.mask-editor-zoom-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0.5rem;
  width: 100%;
}

.mask-editor-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.3;
}

.mask-editor-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

@media screen and (max-width: 901px) {
  .mask-editor-controls:not(.expanded) {
    width: min(320px, calc(100vw - 16px));
  }
  .mask-editor-controls:not(.expanded) .mask-editor-actions .clear-btn {
    padding: 0.45rem 0.5rem;
    font-size: 0.8rem;
  }
  .mask-editor-controls:not(.expanded) .mask-editor-zoom-row button {
    padding: 0.35rem 0.45rem;
    font-size: 0.85rem;
  }
  .mask-editor-controls:not(.expanded) .mask-editor-item input[type="range"] {
    max-width: 220px;
  }
}

@media screen and (max-width: 900px) {
  .mask-editor-body {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr auto;
  }
}

.bgRemovalControls {
  width: 100%;
  margin-top: 0.5rem;
  padding: 0.5rem;
  border: 1px solid var(--dark-border);
  border-radius: 6px;
  background: rgba(3, 3, 8, 0.25);
}

.bgRemovalGrid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  width: 100%;
  min-width: 0;
}

.bgRemovalItem {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: flex-start;
  text-align: left;
  gap: 0.35rem;
  width: 100%;
  min-width: 0;
}

.bgRemovalItem input[type="range"] {
  width: 100%;
  max-width: none;
}

.bgRemovalCheckbox input[type="checkbox"] {
  transform: scale(1.1);
}

.bgRemovalItemSpan2 {
  grid-column: 1 / -1;
}

.bgRemovalItemSpan2 input[type="range"] {
  max-width: 360px;
}

.image-master-reset-row {
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.image-upload-column,
.image-reset-column {
  display: grid;
  gap: 0.5rem;
}


/* Center the master reset button */
.image-reset-column {
  place-content: center;
}

/* Make the Reset All Image Settings button the red-tinted element (not the column) */
#resetImageAll {
  background: rgba(255, 65, 65, 0.10);
  border-color: rgba(255, 65, 65, 0.28);
  color: rgba(255, 200, 200, 0.95);
}
#resetImageAll:hover {
  background: rgba(255, 65, 65, 0.16);
  border-color: rgba(255, 65, 65, 0.42);
}
.image-upload-column label {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.image-upload-column input[type="file"] {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid var(--dark-border);
  border-radius: 4px;
  background: rgba(0, 0, 0, 0.35);
  color: var(--text);
  font-size: 0.85rem;
  cursor: pointer;
}

.image-upload-column input[type="file"]:hover {
  border-color: var(--neon-cyan);
  background: rgba(0, 255, 255, 0.05);
}

.image-upload-column .clear-btn,
.image-reset-column .clear-btn {
  margin-top: 0;
}

/* Image secondary subtabs (Upload / BG Removal / Filters / Placement / Thresholds) */
.subtabContainer.image-subtabs {
  border: 1px solid var(--dark-border);
  border-radius: 6px;
  overflow: hidden;
  background: rgba(3, 3, 8, 0.35);
}

.subtabContainer.image-subtabs .subtabs {
  /* Keep all 4 subtabs available without causing sidebar horizontal overflow */
  display: flex;
  gap: 0;
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
}

.subtabContainer.image-subtabs .subtab {
  flex: 0 0 auto;
  min-width: 132px;
  white-space: nowrap;
  scroll-snap-align: start;
}

.subtabContainer.image-subtabs input[type='radio'][name='imageSectionGroup'] {
  display: none;
}

.subtabContainer.image-subtabs .imageSectionPanel {
  display: none;
  padding: 0.75rem;
  gap: 0.6rem;
  animation: fadein 0.2s ease;
}

.subtabContainer.image-subtabs input[type='radio'][name='imageSectionGroup']:checked + .imageSectionPanel {
  display: grid;
}

.subtabContainer.image-subtabs:has(#imageSectionBgRemoval:checked) .subtabs .subtab[for='imageSectionBgRemoval'],
.subtabContainer.image-subtabs:has(#imageSectionFilters:checked) .subtabs .subtab[for='imageSectionFilters'],
.subtabContainer.image-subtabs:has(#imageSectionPlacement:checked) .subtabs .subtab[for='imageSectionPlacement'],
.subtabContainer.image-subtabs:has(#imageSectionThresholds:checked) .subtabs .subtab[for='imageSectionThresholds'] {
  color: var(--neon-cyan);
  border-bottom-color: var(--neon-cyan);
  background: rgba(0, 255, 255, 0.08);
}

.image-placement-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.image-placement-group {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.image-placement-group .clear-btn {
  width: 100%;
  margin-top: 1.5rem;
}

.preview-container {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}

.preview-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.preview-thumbnail {
  /* Make all preview thumbnails behave consistently (square, filled) */
  width: 100%;
  max-width: 120px;
  aspect-ratio: 1 / 1;
  height: auto;
  border: 1px solid var(--dark-border);
  border-radius: 4px;
  object-fit: contain;
  background: rgba(0, 0, 0, 0.25);
  display: block;
}

.edge-preview-container {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}

.processed-preview-container {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}

.filtered-preview-container {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}

.original-preview-container {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}

.mask-previews {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  margin-top: 0.5rem;
}

/* Empty State Styles */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
  gap: 1rem;
  text-align: center;
  min-height: 300px;
}

.empty-state-icon {
  font-size: 3rem;
  opacity: 0.5;
}

.empty-state-title {
  font-size: 1rem;
  color: var(--text-primary);
  font-weight: 600;
  letter-spacing: 0.02em;
}

.empty-state-subtitle {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.empty-state-samples {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.empty-state-samples-title {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.empty-state-samples-buttons {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.sample-btn {
  padding: 0.5rem 1rem;
  border: 1px solid var(--dark-border);
  border-radius: 6px;
  background: rgba(0, 255, 255, 0.08);
  color: var(--neon-cyan);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.sample-btn:hover {
  border-color: var(--neon-cyan);
  background: rgba(0, 255, 255, 0.15);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 255, 255, 0.2);
}

/* -------------------------------------------------------------------------- */
/* Hero Preview - Unified Smart Grid & Sidebar Thumbnails */
/* -------------------------------------------------------------------------- */

.hero-preview {
  display: flex !important;
  flex-direction: column !important;
  gap: 0.65rem !important;
  padding: 0.65rem !important;
}

/* Compact 2-up Smart Row */
.hero-preview-smart {
  display: grid !important;
  grid-template-columns: 1fr 1fr !important;
  gap: 0.5rem !important;
  max-width: 260px !important;
  margin: 0 auto 0.5rem !important;
}

.hero-preview-item {
  display: flex !important;
  flex-direction: column !important;
  gap: 0.35rem !important;
}

.hero-preview-label {
  font-size: 0.7rem !important;
  color: var(--text-secondary) !important;
  text-transform: uppercase !important;
  letter-spacing: 0.05em !important;
  text-align: center !important;
}

/* Unified sizing for ALL hero preview containers in sidebar */
.hero-preview-thumb-wrap,
.hero-preview-container {
  position: relative !important;
  width: 100% !important;
  height: 120px !important; /* Force unified smaller height */
  border: 1px solid var(--dark-border) !important;
  border-radius: 6px !important;
  background: rgba(0, 0, 0, 0.25) !important;
  overflow: hidden !important;
  transition: all 0.2s ease !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  margin: 0 auto !important;
}

.hero-preview-thumb-wrap:hover,
.hero-preview-container:hover {
  border-color: var(--neon-pink) !important;
  box-shadow: 0 4px 12px rgba(255, 0, 255, 0.15) !important;
}

.hero-preview-thumb,
.hero-preview-image {
  max-width: 100% !important;
  max-height: 100% !important;
  width: auto !important;
  height: auto !important;
  object-fit: contain !important;
  object-position: center !important;
  cursor: pointer !important;
}

/* Single preview (Processed) matching size */
.hero-preview-single {
  width: 100% !important;
  max-width: 130px !important; 
  margin: 0 auto 0.5rem !important;
}

/* Redefine individual elements to fit the unified containers */
.preview-stage-badge {
  position: absolute !important;
  top: 0.3rem !important;
  left: 0.3rem !important;
  padding: 0.1rem 0.3rem !important;
  border-radius: 3px !important;
  background: rgba(255, 0, 255, 0.9) !important;
  color: #000 !important;
  font-size: 0.6rem !important;
  font-weight: 700 !important;
  text-transform: uppercase !important;
  letter-spacing: 0.05em !important;
  pointer-events: none !important;
  z-index: 10 !important;
}

.preview-expand-btn,
.preview-expand-btn-small {
  position: absolute !important;
  top: 0.3rem !important;
  right: 0.3rem !important;
  width: 22px !important;
  height: 22px !important;
  border: 1px solid var(--dark-border) !important;
  border-radius: 4px !important;
  background: rgba(0, 255, 255, 0.9) !important;
  color: #000 !important;
  font-size: 0.7rem !important;
  cursor: pointer !important;
  transition: all 0.2s ease !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  opacity: 0 !important;
  z-index: 10 !important;
}

.hero-preview-thumb-wrap:hover .preview-expand-btn-small,
.hero-preview-container:hover .preview-expand-btn {
  opacity: 1 !important;
}

.preview-settings-icon-small {
  position: absolute !important;
  top: 0.3rem !important;
  right: 0.3rem !important;
  width: 22px !important;
  height: 22px !important;
  padding: 0.2rem !important;
  border: 1px solid var(--dark-border) !important;
  border-radius: 4px !important;
  background: rgba(255, 0, 255, 0.9) !important;
  color: #000 !important;
  cursor: pointer !important;
  transition: all 0.2s ease !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  opacity: 0 !important;
  z-index: 10 !important;
}

.hero-preview-thumb-wrap:hover .preview-settings-icon-small {
  opacity: 1 !important;
}

.preview-settings-icon-small:hover,
.preview-expand-btn:hover,
.preview-expand-btn-small:hover {
  transform: scale(1.1) !important;
  box-shadow: 0 2px 8px rgba(0, 255, 255, 0.4) !important;
}

.hero-preview-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.preview-selector-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.preview-selector-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.preview-selector {
  padding: 0.4rem 0.6rem;
  border: 1px solid var(--dark-border);
  border-radius: 6px;
  background: rgba(0, 255, 255, 0.05);
  color: var(--text-primary);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.preview-selector:hover {
  border-color: var(--neon-cyan);
  background: rgba(0, 255, 255, 0.1);
}

.preview-selector:focus {
  outline: none;
  border-color: var(--neon-cyan);
  box-shadow: 0 0 0 2px rgba(0, 255, 255, 0.2);
}

.compare-toggle-btn {
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--dark-border);
  border-radius: 6px;
  background: rgba(0, 255, 255, 0.05);
  color: var(--text-secondary);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.compare-toggle-btn:hover {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
  background: rgba(0, 255, 255, 0.1);
}

.compare-toggle-btn.active {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
  background: rgba(0, 255, 255, 0.15);
}

.compare-icon {
  font-size: 1rem;
}

/* Hero Preview Container */
.hero-preview-single {
  width: 100%;
}

.hero-preview-container {
  position: relative;
  width: 100%;
  max-width: 300px;
  margin: 0 auto;
  aspect-ratio: 1 / 1;
  border: 1px solid var(--dark-border);
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.25);
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.hero-preview-container:hover {
  border-color: var(--neon-pink);
  box-shadow: 0 8px 24px rgba(255, 0, 255, 0.15);
  transform: translateY(-2px);
}

.hero-preview-image {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  cursor: pointer;
}

.preview-stage-badge {
  position: absolute;
  top: 0.5rem;
  left: 0.5rem;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  background: rgba(255, 0, 255, 0.9);
  color: #000;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  pointer-events: none;
  z-index: 10;
}

.preview-expand-btn {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  width: 32px;
  height: 32px;
  border: 1px solid var(--dark-border);
  border-radius: 6px;
  background: rgba(0, 255, 255, 0.9);
  color: #000;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  opacity: 0;
}

.hero-preview-container:hover .preview-expand-btn {
  opacity: 1;
}

.preview-expand-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 4px 12px rgba(0, 255, 255, 0.4);
}

/* Comparison Mode Styles */
.hero-preview-comparison {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.comparison-selectors {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.comparison-selector-group {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.comparison-selector-group label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin: 0;
}

.comparison-vs {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
  padding: 0 0.25rem;
}

.comparison-previews-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.comparison-preview-wrapper {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.comparison-preview-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-align: center;
}

.comparison-preview-image {
  width: 100%;
  aspect-ratio: 1 / 1;
  border: 1px solid var(--dark-border);
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.25);
  object-fit: contain;
  transition: all 0.2s ease;
}

.comparison-preview-image:hover {
  border-color: var(--neon-pink);
  box-shadow: 0 4px 12px rgba(255, 0, 255, 0.15);
}

/* Processing Pipeline Indicator */
.processing-pipeline {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem;
  border: 1px solid var(--dark-border);
  border-radius: 8px;
  background: rgba(3, 3, 8, 0.35);
  flex-wrap: wrap;
  justify-content: center;
}

.pipeline-stage {
  padding: 0.35rem 0.6rem;
  border: 1px solid transparent;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: all 0.2s ease;
}

.pipeline-stage:hover {
  border-color: var(--neon-pink);
  color: var(--neon-pink);
  background: rgba(255, 0, 255, 0.1);
}

.pipeline-stage.active {
  border-color: var(--neon-pink);
  background: var(--neon-pink);
  color: #000;
  font-weight: 700;
}

.pipeline-arrow {
  color: var(--text-muted);
  font-size: 0.75rem;
}

/* Active Settings Summary */
.preview-settings-summary {
  padding: 0.5rem 0.75rem;
  border: 1px solid rgba(0, 255, 255, 0.2);
  border-radius: 6px;
  background: rgba(0, 255, 255, 0.05);
  text-align: center;
}

#previewSettingsSummaryText {
  font-size: 0.8rem;
  color: var(--text-primary);
  letter-spacing: 0.02em;
  transition: opacity 0.3s ease;
}

#previewSettingsSummaryText.updating {
  animation: shimmer 0.6s ease-in-out;
}

@keyframes shimmer {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* Responsive adjustments */
@media screen and (max-width: 600px) {
  .hero-preview-container {
    max-width: 100%;
  }
  
  .comparison-previews-container {
    grid-template-columns: 1fr;
  }
  
  .processing-pipeline {
    font-size: 0.7rem;
  }
}

/* Collapsible Section Styles */
.collapsible-section {
  border: 1px solid var(--dark-border);
  border-radius: 8px;
  background: rgba(3, 3, 8, 0.25);
  overflow: hidden;
  margin: 0.75rem 0;
}

.section-header {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  border: none;
  background: rgba(0, 255, 255, 0.05);
  color: var(--text-primary);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: left;
}

.section-header:hover {
  background: rgba(0, 255, 255, 0.1);
  color: var(--neon-cyan);
}

.collapsible-section.expanded .section-header {
  background: rgba(0, 255, 255, 0.1);
  border-bottom: 1px solid var(--dark-border);
}

.section-header-left {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex: 1;
}

.section-title {
  font-size: 0.85rem;
  text-transform: uppercase;
}

.settings-count {
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  background: rgba(255, 0, 255, 0.2);
  color: var(--neon-pink);
  font-size: 0.7rem;
  font-weight: 600;
}

.chevron {
  font-size: 1rem;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  color: var(--text-secondary);
}

.collapsible-section.expanded .chevron {
  transform: rotate(180deg);
}

.section-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.collapsible-section.expanded .section-content {
  max-height: 2000px;
}

.section-inner {
  padding: 1rem;
  display: grid;
  gap: 0.75rem;
}

.helper-text {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-style: italic;
  padding: 0.5rem 0.75rem;
  background: rgba(0, 255, 255, 0.03);
  border-left: 2px solid rgba(0, 255, 255, 0.3);
  border-radius: 4px;
  margin-bottom: 0.5rem;
}

.helper-text::before {
  content: '💡 ';
  margin-right: 0.25rem;
}

/* Core Controls (Always Visible) */
.core-controls {
  display: grid;
  gap: 0.65rem;
  padding: 0;
}

.core-controls-title {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding-bottom: 0.25rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

/* Tab Toolbar Styles */
.tab-toolbar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem;
  background: rgba(5, 5, 10, 0.8);
  border-bottom: 1px solid var(--dark-border);
  overflow-x: hidden;
  overflow-y: hidden;
  flex-wrap: wrap;
  min-width: 0;
  max-width: 100%;
  width: 100%;
  box-sizing: border-box;
}

/* Smaller desktop widths: make toolbar buttons smaller and wrap */
@media screen and (min-width: 901px) and (max-width: 1200px) {
  .tab-toolbar {
    gap: 0.35rem;
    padding: 0.4rem;
  }
  
  .toolbar-btn {
    flex: 1 1 auto;
    min-width: 0;
    font-size: 0.7rem;
    padding: 0.3rem 0.5rem;
    max-width: calc(50% - 0.2rem);
  }
  
  .toolbar-btn span {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
  }
}

.toolbar-btn {
  padding: 0.4rem 0.75rem;
  border: 1px solid var(--dark-border);
  border-radius: 6px;
  background: rgba(0, 255, 255, 0.05);
  color: var(--text-secondary);
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  min-width: 0;
  max-width: 100%;
  box-sizing: border-box;
}

.toolbar-btn:hover {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
  background: rgba(0, 255, 255, 0.1);
}

.toolbar-btn svg {
  flex-shrink: 0;
}

.toolbar-btn span {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Updated Empty State Upload Styles */
.empty-state-upload {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1rem;
}

.upload-btn {
  padding: 0.75rem 1.5rem;
  border: 2px dashed var(--neon-cyan);
  border-radius: 8px;
  background: rgba(0, 255, 255, 0.08);
  color: var(--neon-cyan);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.upload-btn:hover {
  background: rgba(0, 255, 255, 0.15);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0, 255, 255, 0.25);
}

.upload-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.sample-gallery-btn {
  padding: 0.6rem 1.25rem;
  border: 1px solid var(--dark-border);
  border-radius: 6px;
  background: rgba(255, 0, 255, 0.08);
  color: var(--neon-pink);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.sample-gallery-btn:hover {
  border-color: var(--neon-pink);
  background: rgba(255, 0, 255, 0.15);
  transform: translateY(-1px);
}

/* Sample Gallery Modal Styles */
.sample-gallery-container {
  max-width: 900px;
  height: min(700px, 85vh);
}

.sample-gallery-body {
  padding: 1.5rem;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 1rem;
}

.gallery-item {
  display: flex;
  flex-direction: column;
  cursor: pointer;
  border: 2px solid transparent;
  border-radius: 8px;
  padding: 0.5rem;
  background: rgba(3, 3, 8, 0.4);
  transition: all 0.2s ease;
}

.gallery-item:hover {
  border-color: var(--neon-pink);
  background: rgba(255, 0, 255, 0.08);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(255, 0, 255, 0.2);
}

.gallery-image {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 6px;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
}

.gallery-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.gallery-title {
  padding: 0.5rem 0.25rem 0.25rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-align: center;
  font-weight: 500;
}

@media screen and (max-width: 600px) {
  .gallery-grid {
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 0.75rem;
  }
  
  .sample-gallery-container {
    max-width: 100%;
    height: 100vh;
    border-radius: 0;
  }
}

/* Preview Lightbox Modal Styles */
.preview-lightbox-container {
  max-width: 1000px;
  height: min(800px, 90vh);
}

.preview-lightbox-body {
  padding: 0;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.preview-lightbox-main {
  flex: 1;
  display: grid;
  grid-template-rows: 1fr auto;
  min-height: 0;
  padding: 1rem;
  gap: 1rem;
}

.preview-lightbox-canvas-wrap {
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--dark-border);
  border-radius: 8px;
  overflow: hidden;
  position: relative;
}

.preview-lightbox-image-container {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: auto;
  cursor: grab;
}

.preview-lightbox-image-container.panning {
  cursor: grabbing;
}

.preview-lightbox-image {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  transition: transform 0.2s ease;
  user-select: none;
  -webkit-user-drag: none;
}

.preview-lightbox-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.lightbox-control-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.zoom-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.6rem;
  background: rgba(3, 3, 8, 0.4);
  border: 1px solid var(--dark-border);
  border-radius: 8px;
}

.zoom-value {
  font-size: 0.85rem;
  color: var(--text-primary);
  min-width: 3rem;
  text-align: center;
}

.lightbox-btn {
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--dark-border);
  border-radius: 6px;
  background: rgba(0, 255, 255, 0.05);
  color: var(--text-secondary);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.lightbox-btn:hover {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
  background: rgba(0, 255, 255, 0.1);
}

.lightbox-nav-btn {
  padding: 0.4rem 0.6rem;
  border: 1px solid var(--dark-border);
  border-radius: 6px;
  background: rgba(0, 255, 255, 0.05);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-nav-btn:hover {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
  background: rgba(0, 255, 255, 0.1);
}

.lightbox-nav-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.lightbox-download-btn {
  background: rgba(255, 0, 255, 0.08);
}

.lightbox-download-btn:hover {
  border-color: var(--neon-pink);
  color: var(--neon-pink);
  background: rgba(255, 0, 255, 0.15);
}

.preview-lightbox-info {
  padding: 0.75rem 1rem;
  background: rgba(3, 3, 8, 0.5);
  border-top: 1px solid var(--dark-border);
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-align: center;
}

@media screen and (max-width: 800px) {
  .preview-lightbox-container {
    max-width: 100%;
    height: 100vh;
    border-radius: 0;
  }
  
  .lightbox-control-group {
    flex-wrap: wrap;
  }
}

/* Comparison Slider Styles */
.comparison-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.slider-mode-toggle {
  padding: 0.4rem;
  border: 1px solid var(--dark-border);
  border-radius: 6px;
  background: rgba(0, 255, 255, 0.05);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.slider-mode-toggle:hover {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
  background: rgba(0, 255, 255, 0.1);
}

.slider-mode-toggle.active {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
  background: rgba(0, 255, 255, 0.15);
}

.comparison-slider-container {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.comparison-slider-wrapper {
  position: relative;
  width: 100%;
  max-width: 500px;
  margin: 0 auto;
  aspect-ratio: 1 / 1;
  border: 1px solid var(--dark-border);
  border-radius: 8px;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.25);
}

.comparison-slider-images {
  position: relative;
  width: 100%;
  height: 100%;
}

.comparison-slider-before {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  z-index: 1;
}

.comparison-slider-after-wrap {
  position: absolute;
  top: 0;
  left: 0;
  width: 50%;
  height: 100%;
  overflow: hidden;
  z-index: 2;
}

.comparison-slider-after {
  position: absolute;
  top: 0;
  left: 0;
  width: 200%;
  height: 100%;
  object-fit: contain;
}

.comparison-slider-handle {
  position: absolute;
  top: 0;
  left: 50%;
  width: 4px;
  height: 100%;
  transform: translateX(-50%);
  z-index: 3;
  cursor: ew-resize;
  touch-action: pan-y;
}

.slider-handle-line {
  position: absolute;
  top: 0;
  left: 50%;
  width: 2px;
  height: 100%;
  background: var(--neon-cyan);
  transform: translateX(-50%);
  box-shadow: 0 0 8px rgba(0, 255, 255, 0.6);
}

.slider-handle-grip {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 40px;
  height: 40px;
  transform: translate(-50%, -50%);
  background: var(--neon-cyan);
  border: 2px solid rgba(0, 0, 0, 0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0, 255, 255, 0.4);
}

.slider-handle-grip svg {
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.5));
}

.comparison-slider-labels {
  display: flex;
  justify-content: space-between;
  padding: 0 0.5rem;
  max-width: 500px;
  margin: 0 auto;
  width: 100%;
}

.slider-label-before,
.slider-label-after {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

@media screen and (max-width: 600px) {
  .comparison-slider-wrapper {
    max-width: 100%;
  }
}

/* Advanced Toggle Button in Pattern Source Tabs */
.pattern-source-tab {
  display: flex !important;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding-right: 0.5rem !important;
}

.pattern-source-tab .tab-name {
  flex: 1;
}

.advanced-toggle {
  padding: 0.25rem 0.5rem;
  border: 1px solid transparent;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.advanced-toggle:hover {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
  background: rgba(0, 255, 255, 0.1);
}

.advanced-toggle.active {
  border-color: var(--neon-cyan);
  background: var(--neon-cyan);
  color: #000;
  font-weight: 600;
}

.advanced-label {
  display: inline-block;
}

/* Advanced Controls Section */
.advanced-controls {
  display: grid;
  gap: 0.75rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 0, 255, 0.2);
  transition: all 0.3s ease;
}

.advanced-controls.hidden {
  display: none;
}

.panel-section-title {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

/* Empty Panel Message (for Adjustments tab) */
.empty-panel-message {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 3rem 1.5rem;
  gap: 1rem;
  min-height: 250px;
}

.empty-panel-icon {
  font-size: 3rem;
  opacity: 0.4;
}

.empty-panel-title {
  font-size: 1.1rem;
  color: var(--text-primary);
  font-weight: 600;
}

.empty-panel-text {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 350px;
}

.empty-panel-text strong {
  color: var(--neon-cyan);
}

/* Image Filters Modal */
.image-filters-modal-container {
  max-width: 900px;
  height: auto;
  max-height: 90vh;
}

.modal-header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.advanced-mode-toggle {
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--dark-border);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: all 0.2s ease;
}

.advanced-mode-toggle:hover {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
  background: rgba(0, 255, 255, 0.1);
}

.advanced-mode-toggle.active {
  border-color: var(--neon-cyan);
  background: var(--neon-cyan);
  color: #000;
  font-weight: 600;
}

.image-filters-modal-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  padding: 1rem;
}

@media screen and (max-width: 1200px) {
  .image-filters-modal-body {
    gap: 0.75rem;
    padding: 0.75rem;
  }
}

@media screen and (max-width: 700px) {
  .image-filters-modal-body {
    grid-template-columns: 1fr;
  }
}

.filters-preview-section {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.filters-preview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
}

@media screen and (max-width: 500px) {
  .filters-preview-grid {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }
}

.filters-preview-item {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.filters-preview-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-align: center;
}

.filters-preview-image-wrap {
  width: 100%;
  aspect-ratio: 1;
  border: 1px solid var(--dark-border);
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.3);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.filters-preview-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.filters-controls-section {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.filters-controls-section .control-section-title {
  margin-top: 0.25rem;
}

.filters-controls-section .control-section-title:first-child {
  margin-top: 0;
}

.filters-advanced-controls {
  display: grid;
  gap: 1rem;
  margin-top: 0.5rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(0, 255, 255, 0.2);
}

.filters-advanced-controls.hidden {
  display: none;
}

/* Image Placement Modal */
.image-placement-modal-container {
  max-width: 700px;
  height: auto;
  max-height: 85vh;
}

.image-placement-modal-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  padding: 1rem;
}

@media screen and (max-width: 700px) {
  .image-placement-modal-body {
    grid-template-columns: 1fr;
    gap: 0.75rem;
    padding: 0.75rem;
  }
}

.placement-preview-section {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.placement-preview-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-align: center;
}

.placement-preview-image-wrap {
  width: 100%;
  aspect-ratio: 1;
  border: 1px solid var(--dark-border);
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.3);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.placement-preview-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.placement-controls-section {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.placement-controls-section .control-section-title {
  margin-top: 0.25rem;
}

.placement-controls-section .control-section-title:first-child {
  margin-top: 0;
}

.image-placement-row label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin: 0;
}

.image-placement-row input[type="checkbox"] {
  width: 20px;
  height: 20px;
  accent-color: var(--neon-cyan);
  cursor: pointer;
}

@media screen and (max-width: 1024px) {
  .image-filters-modal-body,
  .image-placement-modal-body {
    grid-template-columns: 1fr;
  }
}

/* Pattern Settings Modals (Edges, Dots, Lines) */
.pattern-settings-modal-container {
  max-width: 900px;
  height: auto;
  max-height: 90vh;
}

.pattern-settings-modal-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  padding: 1rem;
}

@media screen and (max-width: 1200px) {
  .pattern-settings-modal-body {
    gap: 0.75rem;
    padding: 0.75rem;
  }
}

@media screen and (max-width: 700px) {
  .pattern-settings-modal-body {
    grid-template-columns: 1fr;
  }
}

.pattern-preview-section {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.pattern-preview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
}

@media screen and (max-width: 500px) {
  .pattern-preview-grid {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }
}

.pattern-preview-item {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.pattern-preview-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-align: center;
}

.pattern-preview-image-wrap {
  width: 100%;
  aspect-ratio: 1;
  border: 1px solid var(--dark-border);
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.3);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pattern-preview-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.pattern-controls-section {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.pattern-controls-section .control-section-title {
  margin-top: 0.25rem;
}

.pattern-controls-section .control-section-title:first-child {
  margin-top: 0;
}

.pattern-advanced-controls {
  display: grid;
  gap: 1rem;
  margin-top: 0.5rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(0, 255, 255, 0.2);
}

.pattern-advanced-controls.hidden {
  display: none;
}

/* Compact slider inputs for modals */
.slider-inputs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
}

@media screen and (max-width: 500px) {
  .slider-inputs {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }
}

/* Background Removal Modal Styles */
.bg-removal-modal-container {
  max-width: 900px;
  height: auto;
  max-height: 90vh;
}

.bg-removal-modal-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  padding: 1rem;
}

@media screen and (max-width: 1200px) {
  .bg-removal-modal-body {
    gap: 0.75rem;
    padding: 0.75rem;
  }
}

@media screen and (max-width: 700px) {
  .bg-removal-modal-body {
    grid-template-columns: 1fr;
  }
}

.bg-removal-preview-section {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.bg-removal-preview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
}

@media screen and (max-width: 500px) {
  .bg-removal-preview-grid {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }
}

.bg-removal-preview-item {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.bg-removal-preview-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-align: center;
}

.bg-removal-preview-image-wrap {
  width: 100%;
  aspect-ratio: 1;
  border: 1px solid var(--dark-border);
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.3);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.bg-removal-preview-img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  object-position: center;
}

.bg-removal-masks-section {
  border: 1px solid var(--dark-border);
  border-radius: 8px;
  background: rgba(3, 3, 8, 0.25);
  overflow: hidden;
}

.masks-section-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 0.75rem;
  border: none;
  background: rgba(0, 255, 255, 0.05);
  color: var(--text-secondary);
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.masks-section-toggle:hover {
  background: rgba(0, 255, 255, 0.1);
  color: var(--neon-cyan);
}

.masks-section-toggle .chevron {
  font-size: 1rem;
  transition: transform 0.3s ease;
}

.masks-section-content:not(.hidden) ~ .masks-section-toggle .chevron {
  transform: rotate(180deg);
}

.masks-section-content {
  padding: 0.75rem;
}

.bg-removal-masks-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.mask-preview-small {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.mask-preview-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-align: center;
}

.mask-preview-img {
  width: 100%;
  aspect-ratio: 1;
  border: 1px solid var(--dark-border);
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.2);
  object-fit: contain;
}

.bg-removal-controls-section {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.bg-removal-controls-section .control-section-title {
  margin-top: 0.25rem;
}

.bg-removal-controls-section .control-section-title:first-child {
  margin-top: 0;
}

.bg-removal-actions {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.bg-removal-action-btn {
  width: 100%;
}

.refine-depth-section {
  padding: 0.75rem;
  border: 1px solid var(--dark-border);
  border-radius: 8px;
  background: rgba(3, 3, 8, 0.3);
}

.refine-depth-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin: 0;
}

.refine-depth-label input[type="checkbox"] {
  width: 20px;
  height: 20px;
  accent-color: var(--neon-cyan);
  cursor: pointer;
}

.refine-depth-label span {
  flex: 1;
}

.bg-removal-status {
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-align: center;
  min-height: 1.2rem;
  padding: 0.5rem;
  border-radius: 6px;
  background: rgba(3, 3, 8, 0.2);
}

.control-section-title {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding-bottom: 0.25rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: 0.35rem;
}

.control-section-title:first-child {
  margin-top: 0;
}

.bgRemovalGrid {
  display: grid;
  gap: 0.75rem;
}

.bgRemovalItem {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.bgRemovalItem label {
  font-size: 0.7rem;
  color: var(--text-secondary);
  margin: 0;
}

/* Compact labels in all modals */
.modal-body label {
  font-size: 0.7rem;
}

.modal-body .slider-input-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.bg-removal-mask-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

@media screen and (max-width: 1024px) {
  .bg-removal-modal-body {
    grid-template-columns: 1fr;
  }
  
  .bg-removal-preview-grid {
    grid-template-columns: 1fr 1fr;
  }
}