/* ========================================
   SKETCH LIBRARY - Fashion Editorial Style
   ======================================== */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;1,400&family=DM+Sans:ital,wght@0,400;0,500;0,700;1,400&display=swap');

/* CSS Variables */
:root {
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'DM Sans', -apple-system, sans-serif;
  
  --color-ink: #1a1a1a;
  --color-charcoal: #2d2d2d;
  --color-graphite: #4a4a4a;
  --color-slate: #6b6b6b;
  --color-stone: #8a8a8a;
  --color-ash: #b0b0b0;
  --color-pearl: #e8e8e8;
  --color-ivory: #f5f5f3;
  --color-white: #ffffff;
  
  --color-ub: #8b4513;
  --color-lb: #2f4f4f;
  --color-fb: #4a3f6b;
  
  --color-accent: #c9a55c;
  --color-accent-light: #e8d4a8;
  
  --shadow-soft: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-medium: 0 4px 16px rgba(0,0,0,0.08);
  --shadow-lifted: 0 8px 32px rgba(0,0,0,0.12);
  
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  
  --transition-fast: 0.15s ease;
  --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: var(--font-body);
  color: var(--color-ink);
  background: var(--color-ivory);
  line-height: 1.6;
  min-height: 100vh;
}

/* Layout */
.app-container {
  display: grid;
  grid-template-columns: 320px 1fr;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  background: var(--color-white);
  border-right: 1px solid var(--color-pearl);
  padding: 0;
  height: 100vh;
  overflow-y: auto;
  position: sticky;
  top: 0;
}

.sidebar-header {
  padding: 2rem 1.5rem;
  border-bottom: 1px solid var(--color-pearl);
  background: linear-gradient(135deg, var(--color-ink) 0%, var(--color-charcoal) 100%);
  color: var(--color-white);
}

.logo {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 300;
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

.logo-accent {
  color: var(--color-accent);
  font-style: italic;
}

.tagline {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-ash);
}

/* View Mode Toggle */
.view-mode-section {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--color-pearl);
}

.view-mode-toggle {
  display: flex;
  gap: 0.5rem;
}

.view-mode-btn {
  flex: 1;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--color-pearl);
  border-radius: 2rem;
  background: var(--color-white);
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: var(--color-graphite);
  cursor: pointer;
  transition: var(--transition-fast);
  text-align: center;
}

.view-mode-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-ink);
}

.view-mode-btn.active {
  background: var(--color-ink);
  border-color: var(--color-ink);
  color: var(--color-white);
}

.session-grouping {
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--color-pearl);
}

.grouping-label {
  font-size: 0.75rem;
  color: var(--color-slate);
  display: block;
  margin-bottom: 0.5rem;
}

.grouping-toggle {
  display: flex;
  gap: 0.5rem;
}

.grouping-btn {
  flex: 1;
  padding: 0.375rem 0.5rem;
  border: 1px solid var(--color-pearl);
  border-radius: 1.5rem;
  background: var(--color-white);
  font-family: var(--font-body);
  font-size: 0.75rem;
  color: var(--color-graphite);
  cursor: pointer;
  transition: var(--transition-fast);
  text-align: center;
}

.grouping-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-ink);
}

.grouping-btn.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-white);
}

.session-selector,
.participant-selector {
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--color-pearl);
}

.selector-label {
  font-size: 0.75rem;
  color: var(--color-slate);
  display: block;
  margin-bottom: 0.5rem;
}

.selector-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
}

.selector-btn {
  padding: 0.25rem 0.625rem;
  border: 1px solid var(--color-pearl);
  border-radius: 1rem;
  background: var(--color-white);
  font-family: var(--font-body);
  font-size: 0.7rem;
  color: var(--color-graphite);
  cursor: pointer;
  transition: var(--transition-fast);
}

.selector-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-ink);
}

.selector-btn.active {
  background: var(--color-ink);
  border-color: var(--color-ink);
  color: var(--color-white);
}

/* Designer Filter */
.designer-section {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--color-pearl);
}

.section-title {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-slate);
  margin-bottom: 0.75rem;
}

.designer-buttons {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.designer-btn {
  padding: 0.5rem 1rem;
  border: 1px solid var(--color-pearl);
  border-radius: 2rem;
  background: var(--color-white);
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: var(--color-graphite);
  cursor: pointer;
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.designer-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-ink);
}

.designer-btn.active {
  background: var(--color-ink);
  border-color: var(--color-ink);
  color: var(--color-white);
}

.btn-count {
  font-size: 0.7rem;
  background: rgba(0,0,0,0.1);
  padding: 0.125rem 0.375rem;
  border-radius: 1rem;
}

.designer-btn.active .btn-count {
  background: rgba(255,255,255,0.2);
}

/* Sketch Search */
.sketch-search-section {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--color-pearl);
}

.sketch-search-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.silhouette-wrapper {
  position: relative;
  width: 160px;
  height: 320px;
  background: var(--color-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-pearl);
  overflow: hidden;
}

.body-silhouette {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

#sketch-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  cursor: crosshair;
  z-index: 10;
}

.sketch-search-controls {
  display: flex;
  gap: 0.5rem;
  width: 100%;
}

.sketch-btn {
  flex: 1;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--color-pearl);
  background: var(--color-white);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-fast);
}

.sketch-btn:hover {
  background: var(--color-ivory);
}

.sketch-btn.primary {
  background: var(--color-ink);
  border-color: var(--color-ink);
  color: var(--color-white);
}

.sketch-btn.primary:hover {
  background: var(--color-charcoal);
}

.sketch-hint {
  font-size: 0.7rem;
  color: var(--color-slate);
  text-align: center;
  margin: 0;
}

/* Hierarchy Menu */
.hierarchy-section {
  padding: 1.25rem 1.5rem;
  flex: 1;
  overflow-y: auto;
}

.hierarchy-list {
  list-style: none;
  font-size: 0.9rem;
}

/* Zone level (top level) styling */
.hierarchy-list[data-level="0"] > .hierarchy-item {
  margin-bottom: 0.25rem;
}

.hierarchy-list[data-level="0"] > .hierarchy-item > .hierarchy-label {
  font-weight: 500;
  padding: 0.625rem 0.75rem;
  background: var(--color-pearl);
  border-radius: var(--radius-sm);
}

.hierarchy-list[data-level="0"] > .hierarchy-item > .hierarchy-label:hover {
  background: var(--color-ivory);
}

.hierarchy-list[data-level="0"] > .hierarchy-item > .hierarchy-label.selected {
  background: var(--color-ink);
  border-left: none;
}

.hierarchy-list[data-level="0"] > .hierarchy-item > .hierarchy-label.selected .label-text {
  color: var(--color-white);
}

.hierarchy-list[data-level="0"] > .hierarchy-item > .hierarchy-label.selected .count-badge {
  background: rgba(255,255,255,0.2);
  color: var(--color-white);
}

.hierarchy-list[data-level="0"] > .hierarchy-item > .hierarchy-label.selected .expand-icon {
  color: var(--color-white);
}

/* Category and lower level items */
.hierarchy-list[data-level="1"] > .hierarchy-item,
.hierarchy-list[data-level="2"] > .hierarchy-item,
.hierarchy-list[data-level="3"] > .hierarchy-item,
.hierarchy-list[data-level="4"] > .hierarchy-item {
  border-bottom: 1px solid var(--color-pearl);
  padding-bottom: 0.5rem;
  margin-bottom: 0.5rem;
}

.hierarchy-list[data-level="1"] > .hierarchy-item:last-child,
.hierarchy-list[data-level="2"] > .hierarchy-item:last-child,
.hierarchy-list[data-level="3"] > .hierarchy-item:last-child,
.hierarchy-list[data-level="4"] > .hierarchy-item:last-child {
  border-bottom: none;
  margin-bottom: 0;
}

.hierarchy-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}

.hierarchy-label:hover {
  background: var(--color-ivory);
}

/* General selected state - gold accent for category and lower levels */
.hierarchy-label.selected {
  background: var(--color-accent-light);
  border-left: 3px solid var(--color-accent);
}

.hierarchy-label.selected .label-text {
  font-weight: 500;
  color: var(--color-ink);
}

.hierarchy-label.selected .count-badge {
  background: var(--color-accent);
  color: var(--color-white);
}

.hierarchy-label.selected .expand-icon {
  color: var(--color-accent);
}

.expand-icon {
  width: 1rem;
  font-size: 0.75rem;
  color: var(--color-stone);
  transition: var(--transition-fast);
}

.label-text {
  flex: 1;
  color: var(--color-charcoal);
}

.count-badge {
  font-size: 0.7rem;
  background: var(--color-pearl);
  color: var(--color-slate);
  padding: 0.125rem 0.5rem;
  border-radius: 1rem;
  min-width: 1.5rem;
  text-align: center;
}

.hierarchy-children {
  padding-left: 1.25rem;
  overflow: hidden;
  transition: var(--transition-smooth);
}

/* Zone level children get extra top margin */
.hierarchy-list[data-level="0"] > .hierarchy-item > .hierarchy-children {
  margin-top: 0.5rem;
  padding-left: 0.75rem;
  border-left: 2px solid var(--color-pearl);
  margin-left: 0.5rem;
}

.hierarchy-children.collapsed {
  display: none;
}

.hierarchy-item[data-level="1"] .hierarchy-label {
  font-size: 0.85rem;
}

.hardware-item .label-text::before {
  content: '';
  opacity: 0.6;
}

.decorative-item .label-text::before {
  content: '';
  opacity: 0.6;
}

/* Main Content */
.main-content {
  padding: 2rem;
  background: var(--color-ivory);
}

/* Toolbar */
.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.filter-path-wrapper {
  flex: 1;
  min-width: 200px;
}

#filter-path {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.path-empty {
  font-size: 0.85rem;
  color: var(--color-stone);
  font-style: italic;
}

.path-item {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  background: var(--color-white);
  border: 1px solid var(--color-pearl);
  padding: 0.375rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  color: var(--color-charcoal);
}

.path-item.sketch-filter {
  background: #fff0f0;
  border-color: #c9616a;
  color: #c9616a;
}

.path-remove {
  background: none;
  border: none;
  color: var(--color-stone);
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
  padding: 0;
  margin-left: 0.25rem;
  transition: var(--transition-fast);
}

.path-remove:hover {
  color: var(--color-ink);
}

.path-separator {
  color: var(--color-ash);
  font-size: 0.75rem;
}

.toolbar-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
}

#result-count {
  font-size: 0.85rem;
  color: var(--color-slate);
}

#clear-filters {
  padding: 0.5rem 1rem;
  border: 1px solid var(--color-pearl);
  border-radius: var(--radius-sm);
  background: var(--color-white);
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--color-slate);
  cursor: pointer;
  transition: var(--transition-fast);
}

#clear-filters:hover {
  border-color: var(--color-ink);
  color: var(--color-ink);
}

/* Gallery Grid */
#gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

/* Sketch Card */
.sketch-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.sketch-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lifted);
}

.card-image {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--color-pearl);
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.sketch-card:hover .card-image img {
  transform: scale(1.05);
}

.card-overlay {
  position: absolute;
  inset: 0;
  background: rgba(26, 26, 26, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition-smooth);
}

.sketch-card:hover .card-overlay {
  opacity: 1;
}

.view-btn {
  padding: 0.75rem 1.5rem;
  background: var(--color-white);
  color: var(--color-ink);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transform: translateY(10px);
  transition: var(--transition-smooth);
}

.sketch-card:hover .view-btn {
  transform: translateY(0);
}

.difficulty-dot {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid var(--color-white);
  box-shadow: 0 2px 4px rgba(0,0,0,0.2);
  z-index: 5;
}

.difficulty-dot.difficulty-hard {
  background: #c9616a;
}

.difficulty-dot.difficulty-medium {
  background: #c9a55c;
}

.difficulty-dot.difficulty-easy {
  background: #5a8f6a;
}

.card-content {
  padding: 0.75rem;
}

.card-badges {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.badge {
  display: inline-block;
  padding: 0.25rem 0.625rem;
  border-radius: 2rem;
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.zone-badge {
  color: var(--color-white);
}

.zone-badge.ub {
  background: var(--color-ub);
}

.zone-badge.lb {
  background: var(--color-lb);
}

.zone-badge.fb {
  background: var(--color-fb);
}

.category-badge {
  background: var(--color-pearl);
  color: var(--color-graphite);
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--color-ink);
  margin-bottom: 0.375rem;
  line-height: 1.3;
}

.card-description {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--color-charcoal);
  margin-bottom: 0;
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 0.75rem;
  border-top: 1px solid var(--color-pearl);
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.8rem;
  color: var(--color-slate);
}

.meta-icon {
  font-size: 0.9rem;
}

.difficulty-hard {
  color: #b8475a;
}

.difficulty-medium {
  color: #c9a55c;
}

.difficulty-easy {
  color: #5a8f6a;
}

/* Session View */
.session-view-header {
  grid-column: 1 / -1;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--color-ink);
  padding-bottom: 1rem;
  margin-bottom: 1rem;
  border-bottom: 2px solid var(--color-pearl);
}

.session-row {
  grid-column: 1 / -1;
  margin-bottom: 1rem;
}

.row-cards {
  display: flex;
  gap: 1rem;
  align-items: center;
  overflow-x: auto;
  padding-bottom: 0.5rem;
  scrollbar-width: thin;
  scrollbar-color: var(--color-pearl) transparent;
}

.row-cards::-webkit-scrollbar {
  height: 6px;
}

.row-cards::-webkit-scrollbar-track {
  background: transparent;
}

.row-cards::-webkit-scrollbar-thumb {
  background: var(--color-pearl);
  border-radius: 3px;
}

.row-cards::-webkit-scrollbar-thumb:hover {
  background: var(--color-stone);
}

.row-cards .sketch-card {
  flex: 0 0 250px;
  min-width: 250px;
}

.row-label {
  flex: 0 0 auto;
  padding: 0.5rem 1rem;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-slate);
  white-space: nowrap;
}

.session-group {
  grid-column: 1 / -1;
  margin-bottom: 2rem;
}

.session-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  background: var(--color-pearl);
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
}

.session-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--color-ink);
  margin: 0;
}

.session-count {
  font-size: 0.85rem;
  color: var(--color-slate);
}

.session-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

/* Empty State */
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 4rem 2rem;
  color: var(--color-slate);
}

.empty-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  opacity: 0.5;
}

.empty-state h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--color-charcoal);
  margin-bottom: 0.5rem;
}

/* Modal */
#modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(26, 26, 26, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-smooth);
  backdrop-filter: blur(4px);
}

#modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

#modal-content {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  width: calc(100vw - 2rem);
  height: calc(100vh - 2rem);
  max-width: 100%;
  max-height: 100%;
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow-lifted);
  animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: scale(0.98);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 2.5rem;
  height: 2.5rem;
  border: none;
  background: var(--color-white);
  border-radius: 50%;
  font-size: 1.5rem;
  color: var(--color-graphite);
  cursor: pointer;
  z-index: 1010;
  box-shadow: var(--shadow-medium);
  transition: var(--transition-fast);
}

.modal-close:hover {
  background: var(--color-ink);
  color: var(--color-white);
}

.modal-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 3rem;
  height: 3rem;
  border: none;
  background: var(--color-white);
  border-radius: 50%;
  font-size: 1.75rem;
  line-height: 1;
  color: var(--color-graphite);
  cursor: pointer;
  z-index: 1010;
  box-shadow: var(--shadow-medium);
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-nav:hover:not(.disabled) {
  background: var(--color-ink);
  color: var(--color-white);
}

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

.modal-prev {
  left: 1rem;
}

.modal-next {
  right: calc(320px + 1rem);
}

.modal-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  height: 100%;
}

.modal-image {
  background: var(--color-pearl);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  overflow: hidden;
}

.modal-image img {
  max-width: 100%;
  max-height: calc(100vh - 4rem);
  object-fit: contain;
}

.modal-info {
  padding: 1.5rem;
  overflow-y: auto;
  border-left: 1px solid var(--color-pearl);
}

.modal-header {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-bottom: 1rem;
}

.modal-expertise {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.modal-expertise.designer {
  color: var(--color-accent);
}

.modal-expertise.casual {
  color: var(--color-slate);
}

.modal-device {
  font-family: var(--font-body);
  font-size: 0.75rem;
  color: var(--color-slate);
  text-transform: capitalize;
}

.modal-classification {
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: var(--color-ink);
}

.modal-description {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--color-ink);
  margin-bottom: 1.25rem;
  line-height: 1.4;
}

.info-section {
  margin-bottom: 1.25rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--color-pearl);
}

.info-section:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.info-section h4 {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-slate);
  margin-bottom: 0.5rem;
}

.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.info-item {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}

.info-label {
  font-size: 0.65rem;
  color: var(--color-stone);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.info-value {
  font-size: 0.85rem;
  color: var(--color-ink);
  font-weight: 500;
}

.original-comment {
  background: var(--color-ivory);
  margin: 0 -1.5rem -1.5rem;
  padding: 1rem 1.5rem;
}

.original-text {
  font-family: var(--font-display);
  font-size: 1rem;
  font-style: italic;
  color: var(--color-graphite);
}

.translation-text {
  font-size: 0.85rem;
  color: var(--color-slate);
  margin-top: 0.5rem;
  padding-top: 0.5rem;
  border-top: 1px dashed var(--color-pearl);
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-pearl);
}

::-webkit-scrollbar-thumb {
  background: var(--color-ash);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-stone);
}

/* Responsive */
@media (max-width: 1024px) {
  .app-container {
    grid-template-columns: 1fr;
  }
  
  .sidebar {
    position: relative;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--color-pearl);
  }
  
  .hierarchy-section {
    max-height: 300px;
    overflow-y: auto;
  }
  
  .modal-layout {
    grid-template-columns: 1fr;
  }
  
  .modal-image {
    max-height: 40vh;
  }
}

@media (max-width: 640px) {
  .main-content {
    padding: 1rem;
  }
  
  #gallery {
    grid-template-columns: 1fr;
  }
  
  .toolbar {
    flex-direction: column;
    align-items: stretch;
  }
  
  .toolbar-controls {
    justify-content: space-between;
  }
  
  #modal-overlay {
    padding: 0;
  }
  
  #modal-content {
    border-radius: 0;
    max-height: 100vh;
  }
  
  .modal-info {
    padding: 1.5rem;
  }
  
  .info-grid {
    grid-template-columns: 1fr;
  }
}