/* ÜBN BIM Data Dictionary Platform - Component Styles */

/* Attribute Card */
.attr-card {
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
  cursor: pointer;
  transition: box-shadow 0.2s ease;
}

.attr-card:hover {
  background: var(--glass-bg) !important;
  box-shadow: inset 0 2px 12px rgba(117, 117, 117, 0.2);
}

.attr-card__header {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.attr-card__code {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--accent-start);
  background: rgba(102, 126, 234, 0.1);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  min-width: 3rem;
  text-align: center;
}

.attr-card__title {
  font-size: 1rem;
  font-weight: 400;
  color: var(--text-primary);
  flex: 1;
}

.attr-card__definition {
  font-size: 0.875rem;
  color: #71717a;
  margin-bottom: var(--spacing-md);
  line-height: 1.5;
  white-space: nowrap;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(to right, black 25ch, transparent 35ch);
  mask-image: linear-gradient(to right, black 25ch, transparent 35ch);
}

.attr-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.attr-card__meta-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.attr-card__meta-label {
  color: var(--text-muted);
}

.attr-card__meta-value {
  color: var(--text-secondary);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
}

.attr-card__footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--glass-border);
}

/* PSet Card */
.pset-card {
  margin-bottom: var(--spacing-md);
  overflow: hidden;
  cursor: pointer;
  transition: box-shadow 0.2s ease;
}

.pset-card:hover {
  background: var(--glass-bg) !important;
  box-shadow: inset 0 2px 12px rgba(117, 117, 117, 0.2);
}

.pset-card__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-lg);
}

.pset-card__info {
  flex: 1;
}

.pset-card__name {
  font-size: 1rem;
  font-weight: 400;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
}

.pset-card__description {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.pset-card__stats {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
}

.pset-card__count {
  font-size: 0.875rem;
  color: var(--text-secondary);
  padding: var(--spacing-xs) var(--spacing-md);
  background: rgba(0, 0, 0, 0.05);
  border-radius: var(--radius-sm);
}

.pset-card__arrow {
  color: var(--text-muted);
  transition: transform var(--transition-fast);
}

.pset-card--expanded .pset-card__arrow {
  transform: rotate(180deg);
}

.pset-card__body {
  padding: 0 var(--spacing-lg) var(--spacing-lg);
  display: none;
}

.pset-card--expanded .pset-card__body {
  display: block;
}

.pset-card__phase-stats {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  padding: var(--spacing-md);
  background: rgba(0, 0, 0, 0.05);
  border-radius: var(--radius-sm);
}

.pset-card__phase-stat {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.pset-card__phase-stat strong {
  font-weight: 500;
}

.pset-card__progress {
  margin-bottom: var(--spacing-md);
}

.pset-card__progress-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: var(--spacing-xs);
}

/* Attribute List (inside PSet) */
.attr-list {
  list-style: none;
}

.attr-list__item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  font-size: 0.875rem;
}

.attr-list__item:last-child {
  border-bottom: none;
}

.attr-list__order {
  color: var(--text-muted);
  font-size: 0.75rem;
  min-width: 1.5rem;
}

.attr-list__code {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.75rem;
  color: var(--accent-start);
  min-width: 2.5rem;
}

.attr-list__name {
  flex: 1;
  color: var(--text-secondary);
}

.attr-list__type {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.6875rem;
  color: var(--text-muted);
  background: rgba(0, 0, 0, 0.05);
  padding: 2px 6px;
  border-radius: 3px;
}

/* Domain Tabs */
.domain-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
}

.domain-tab {
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.domain-tab:hover {
  border-color: rgba(0, 0, 0, 0.15);
  color: var(--text-primary);
}

.domain-tab--active {
  background: linear-gradient(135deg, var(--accent-start), var(--accent-end));
  border-color: transparent;
  color: #fafafa;
}

.domain-tab__count {
  font-size: 0.75rem;
  opacity: 0.7;
  margin-left: var(--spacing-xs);
  font-variant-numeric: tabular-nums;
}

/* Specification Stepper */
.stepper {
  display: flex;
  justify-content: space-between;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
  padding: var(--spacing-lg) var(--spacing-xl);
  width: 100%;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.stepper__step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  opacity: 0.5;
  transition: opacity var(--transition-fast);
}

.stepper__step--active {
  opacity: 1;
}

.stepper__step--completed {
  opacity: 0.8;
}

.stepper__number {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  font-size: 0.875rem;
  font-weight: 500;
}

.stepper__step--active .stepper__number {
  background: linear-gradient(135deg, var(--accent-start), var(--accent-end));
  border: none;
  color: #fafafa;
}

.stepper__step--completed .stepper__number {
  background: var(--accent-start);
  border: none;
  color: #fafafa;
}

.stepper__label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: center;
}

.stepper__step--active .stepper__label {
  color: var(--text-primary);
}

/* Checkbox Group */
.checkbox-group {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-md);
}

.checkbox-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  min-height: 70px;
}

.checkbox-item:hover {
  border-color: rgba(0, 0, 0, 0.15);
}

.checkbox-item--selected {
  border-color: var(--accent-start);
  background: rgba(0, 0, 0, 0.03);
}

.checkbox-item__checkbox {
  width: 18px;
  height: 18px;
  border: 2px solid var(--glass-border);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.checkbox-item--selected .checkbox-item__checkbox {
  background: linear-gradient(135deg, var(--accent-start), var(--accent-end));
  border-color: transparent;
  color: #fafafa;
}

.checkbox-item__checkbox::after {
  content: '';
  display: none;
  width: 5px;
  height: 9px;
  border: solid #fafafa;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
  margin-bottom: 2px;
}

.checkbox-item--selected .checkbox-item__checkbox::after {
  display: block;
}

.checkbox-item__content {
  flex: 1;
}

.checkbox-item__label {
  font-size: 0.9375rem;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
  word-break: break-word;
  line-height: 1.4;
}

.checkbox-item__description {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.checkbox-item__count {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: var(--spacing-xs);
}

/* Phase Selector */
.phase-selector {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.phase-checkbox {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: 0.875rem;
}

.phase-checkbox:hover {
  border-color: rgba(0, 0, 0, 0.15);
}

.phase-checkbox--es.phase-checkbox--selected { border-color: var(--phase-es); background: rgba(113, 113, 122, 0.1); }
.phase-checkbox--ep.phase-checkbox--selected { border-color: var(--phase-ep); background: rgba(113, 113, 122, 0.1); }
.phase-checkbox--pp.phase-checkbox--selected { border-color: var(--phase-pp); background: rgba(113, 113, 122, 0.1); }
.phase-checkbox--tp.phase-checkbox--selected { border-color: var(--phase-tp); background: rgba(113, 113, 122, 0.1); }
.phase-checkbox--tj.phase-checkbox--selected { border-color: var(--phase-tj); background: rgba(113, 113, 122, 0.1); }

.phase-checkbox__box {
  width: 14px;
  height: 14px;
  border: 2px solid currentColor;
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.5;
}

.phase-checkbox--selected .phase-checkbox__box {
  opacity: 1;
  background: currentColor;
}

.phase-checkbox--es { color: var(--phase-es); }
.phase-checkbox--ep { color: var(--phase-ep); }
.phase-checkbox--pp { color: var(--phase-pp); }
.phase-checkbox--tp { color: var(--phase-tp); }
.phase-checkbox--tj { color: var(--phase-tj); }

/* Summary Panel */
.summary-panel {
  padding: var(--spacing-xl);
  margin-top: var(--spacing-xl);
}

.summary-panel__title {
  font-size: 1rem;
  color: var(--text-primary);
  margin-bottom: var(--spacing-lg);
}

.summary-panel__stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.summary-stat {
  text-align: center;
}

.summary-stat__value {
  font-size: 2rem;
  font-weight: 300;
  background: linear-gradient(135deg, var(--accent-start), var(--accent-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

/* Export Buttons */
.export-buttons {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.export-btn,
.export-btn.btn--primary,
.export-btn.btn--secondary {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-lg) var(--spacing-xl);
  min-width: 120px;
  transition: all var(--transition-fast);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  box-shadow: none;
}

.export-btn:hover,
.export-btn.btn--primary:hover,
.export-btn.btn--secondary:hover {
  background: #1a1a1a;
  color: #ffffff;
  border-color: #1a1a1a;
  transform: translateY(-2px);
}

.export-btn__icon {
  font-size: 1.5rem;
}

.export-btn__label {
  font-size: 0.875rem;
}

/* Table */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.data-table th,
.data-table td {
  padding: var(--spacing-md);
  text-align: left;
  border-bottom: 1px solid var(--glass-border);
}

.data-table th {
  color: var(--text-muted);
  font-weight: 400;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: rgba(0, 0, 0, 0.05);
}

.data-table td {
  color: var(--text-secondary);
}

.data-table tr:hover td {
  background: rgba(0, 0, 0, 0.02);
}

/* Tooltip */
.tooltip {
  position: relative;
}

.tooltip__content {
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-primary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  color: var(--text-secondary);
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  z-index: 100;
}

.tooltip:hover .tooltip__content {
  opacity: 1;
  visibility: visible;
}

/* Notification Toast */
.toast {
  position: fixed;
  bottom: var(--spacing-xl);
  right: var(--spacing-xl);
  padding: var(--spacing-md) var(--spacing-xl);
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.875rem;
  box-shadow: var(--shadow-lg);
  transform: translateY(100px);
  opacity: 0;
  transition: all var(--transition-normal);
  z-index: 1000;
}

.toast--visible {
  transform: translateY(0);
  opacity: 1;
}

.toast--success {
  border-color: var(--phase-pp);
}

.toast--error {
  border-color: var(--phase-es);
}

/* Hero Section (Landing Page) */
.hero {
  text-align: center;
  padding: var(--spacing-2xl) 0;
}

.hero__title {
  font-size: 2.5rem;
  font-weight: 300;
  margin-bottom: var(--spacing-md);
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-start) 50%, var(--accent-end) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: var(--spacing-lg);
}

.breadcrumb__separator {
  opacity: 0.5;
}

.breadcrumb__current {
  color: var(--text-primary);
}

/* Section */
.section {
  margin-bottom: var(--spacing-2xl);
}

.section__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-lg);
}

.section__title {
  font-size: 1.25rem;
  color: var(--text-primary);
}

.section__actions {
  display: flex;
  gap: var(--spacing-md);
}

/* Attribute Section (Specification Manager) */
.attr-section {
  margin-bottom: var(--spacing-md);
  overflow: hidden;
}

.attr-section__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) var(--spacing-lg);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.attr-section__header:hover {
  background: rgba(0, 0, 0, 0.03);
}

.attr-section__info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.attr-section__name {
  font-size: 0.9375rem;
  font-weight: 400;
  color: var(--text-primary);
}

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

.attr-section__actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.attr-section__arrow {
  color: var(--text-muted);
  transition: transform var(--transition-fast);
  margin-left: var(--spacing-sm);
}

.attr-section__arrow--open {
  transform: rotate(180deg);
}

.attr-section__body {
  padding: 0 var(--spacing-lg) var(--spacing-lg);
  border-top: 1px solid var(--glass-border);
  margin-top: var(--spacing-md);
}

/* Attribute Checklist */
.attr-checklist {
  display: flex;
  flex-direction: column;
  gap: 2px;
  max-height: 400px;
  overflow-y: auto;
}

.attr-check {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  background: rgba(0, 0, 0, 0.03);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: 0.8125rem;
}

.attr-check:hover {
  background: rgba(0, 0, 0, 0.06);
}

.attr-check--selected {
  background: rgba(0, 0, 0, 0.05);
  border-left: 3px solid var(--accent-start);
}

.attr-check__box {
  width: 16px;
  height: 16px;
  border: 2px solid var(--glass-border);
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.attr-check--selected .attr-check__box {
  background: var(--accent-start);
  border-color: var(--accent-start);
  color: #fafafa;
}

.attr-check__box::after {
  content: '✓';
  color: #fafafa;
  font-size: 0.625rem;
  opacity: 0;
}

.attr-check--selected .attr-check__box::after {
  opacity: 1;
}

.attr-check__code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--accent-start);
  min-width: 2.5rem;
  flex-shrink: 0;
}

.attr-check__name {
  flex: 1;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.attr-check__type {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.6875rem;
  color: var(--text-muted);
  background: rgba(0, 0, 0, 0.05);
  padding: 2px 6px;
  border-radius: 3px;
  flex-shrink: 0;
}

.attr-check__phases {
  display: flex;
  gap: 2px;
  flex-shrink: 0;
}

/* Per-Attribute Phase Selection Row */
.attr-phase-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  background: rgba(0, 0, 0, 0.03);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  opacity: 0.6;
}

.attr-phase-row:hover {
  background: rgba(0, 0, 0, 0.06);
}

.attr-phase-row--active {
  opacity: 1;
  background: rgba(0, 0, 0, 0.05);
  border-left: 3px solid var(--accent-start);
}

.attr-phase-row__info {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  flex: 1;
  min-width: 0;
}

.attr-phase-row__code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--accent-start);
  min-width: 2.5rem;
  flex-shrink: 0;
}

.attr-phase-row__name {
  flex: 1;
  font-size: 0.8125rem;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.attr-phase-row__type {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.6875rem;
  color: var(--text-muted);
  background: rgba(0, 0, 0, 0.05);
  padding: 2px 6px;
  border-radius: 3px;
  flex-shrink: 0;
}

.attr-phase-row__phases {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
}

/* Phase Toggle Button */
.phase-toggle {
  width: 32px;
  height: 24px;
  border: 1px solid var(--glass-border);
  border-radius: 4px;
  background: transparent;
  color: var(--text-muted);
  font-size: 0.625rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  opacity: 0.5;
}

.phase-toggle:hover {
  opacity: 0.8;
  border-color: rgba(0, 0, 0, 0.2);
}

.phase-toggle--active {
  opacity: 1;
  color: #fafafa;
}

.phase-toggle--original {
  border-style: dashed;
}

.phase-toggle--original.phase-toggle--active {
  border-style: solid;
}

/* Phase-specific colors */
.phase-toggle--es.phase-toggle--active {
  background: var(--phase-es);
  border-color: var(--phase-es);
}

.phase-toggle--ep.phase-toggle--active {
  background: var(--phase-ep);
  border-color: var(--phase-ep);
}

.phase-toggle--pp.phase-toggle--active {
  background: var(--phase-pp);
  border-color: var(--phase-pp);
}

.phase-toggle--tp.phase-toggle--active {
  background: var(--phase-tp);
  border-color: var(--phase-tp);
}

.phase-toggle--tj.phase-toggle--active {
  background: var(--phase-tj);
  border-color: var(--phase-tj);
}

/* Inactive but original (dashed border shows it was in database) */
.phase-toggle--es:not(.phase-toggle--active).phase-toggle--original { border-color: rgba(113, 113, 122, 0.6); }
.phase-toggle--ep:not(.phase-toggle--active).phase-toggle--original { border-color: rgba(113, 113, 122, 0.6); }
.phase-toggle--pp:not(.phase-toggle--active).phase-toggle--original { border-color: rgba(113, 113, 122, 0.6); }
.phase-toggle--tp:not(.phase-toggle--active).phase-toggle--original { border-color: rgba(113, 113, 122, 0.6); }
.phase-toggle--tj:not(.phase-toggle--active).phase-toggle--original { border-color: rgba(113, 113, 122, 0.6); }

/* Responsive adjustments for attribute checklist */
@media (max-width: 768px) {
  .attr-check {
    flex-wrap: wrap;
  }

  .attr-check__name {
    order: 1;
    width: 100%;
    margin-top: var(--spacing-xs);
  }

  .attr-check__type,
  .attr-check__phases {
    order: 2;
  }

  /* Per-attribute phase row responsive */
  .attr-phase-row {
    flex-wrap: wrap;
  }

  .attr-phase-row__info {
    width: 100%;
    flex-wrap: wrap;
  }

  .attr-phase-row__name {
    width: 100%;
    order: 3;
    margin-top: var(--spacing-xs);
  }

  .attr-phase-row__phases {
    width: 100%;
    margin-top: var(--spacing-sm);
    justify-content: flex-start;
  }

  .phase-toggle {
    flex: 1;
    max-width: 50px;
  }
}

/* IFC Class Tags */
.pset-card__ifc-classes {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
}

.pset-card__ifc-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pset-card__ifc-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
}

.ifc-tag {
  display: inline;
  font-size: 0.75rem;
  color: #555;
}

.ifc-tag__name {
  color: #999;
  font-size: 0.6875rem;
}

.ifc-separator {
  color: #ccc;
  margin: 0 0.35rem;
  font-weight: 300;
}

/* Responsive IFC Classes */
@media (max-width: 768px) {
  .pset-card__ifc-classes {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ============================================================================
   COMMENTS
   ============================================================================ */

/* Comment Button */
.comment-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
  background: transparent;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.comment-btn:hover {
  background: #000;
  color: #fff;
  border-color: #000;
}

.comment-btn__icon {
  font-size: 1rem;
}

.comment-btn__count {
  font-size: 0.75rem;
  font-weight: 500;
}

.comment-btn--has-comments {
  color: var(--accent-start);
  border-color: rgba(102, 126, 234, 0.3);
}

/* Comment Modal */
.comment-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.comment-modal--open {
  opacity: 1;
  visibility: visible;
}

.comment-modal__content {
  width: 90%;
  max-width: 600px;
  max-height: 85vh;
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  transform: translateY(20px);
  transition: transform var(--transition-normal);
}

.comment-modal--open .comment-modal__content {
  transform: translateY(0);
}

.comment-modal__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--glass-border);
}

.comment-modal__title {
  font-size: 1.125rem;
  color: var(--text-primary);
  font-weight: 400;
}

.comment-modal__close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 1.25rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.comment-modal__close:hover {
  background: rgba(0, 0, 0, 0.05);
  color: var(--text-primary);
}

.comment-modal__body {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-lg);
}

/* Comments List */
.comments-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  max-height: 300px;
  overflow-y: auto;
  padding-right: var(--spacing-sm);
}

.comments-list--empty {
  text-align: center;
  color: var(--text-muted);
  padding: var(--spacing-xl);
  font-size: 0.875rem;
}

/* Comment Item */
.comment-item {
  padding: var(--spacing-md);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
}

.comment-item__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-sm);
}

.comment-item__author {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
}

.comment-item__meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

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

.comment-item__category {
  font-size: 0.6875rem;
  padding: 2px 6px;
  background: rgba(102, 126, 234, 0.1);
  color: var(--accent-start);
  border-radius: 3px;
  text-transform: lowercase;
}

.comment-item__status {
  font-size: 0.6875rem;
  padding: 2px 6px;
  border-radius: 3px;
}

.comment-item__status--open {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
}

.comment-item__status--resolved {
  background: rgba(34, 197, 94, 0.1);
  color: #22c55e;
}

.comment-item__text {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
  white-space: pre-wrap;
  word-wrap: break-word;
}

.comment-item__actions {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-sm);
  padding-top: var(--spacing-sm);
  border-top: 1px solid var(--glass-border);
}

.comment-item__reply-btn {
  font-size: 0.75rem;
  color: var(--text-muted);
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
}

.comment-item__reply-btn:hover {
  color: var(--accent-start);
}

/* Comment Replies */
.comment-replies {
  margin-left: var(--spacing-lg);
  margin-top: var(--spacing-md);
  padding-left: var(--spacing-md);
  border-left: 2px solid var(--glass-border);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.comment-replies .comment-item {
  padding: var(--spacing-sm) var(--spacing-md);
  background: rgba(0, 0, 0, 0.02);
}

/* Comment Form */
.comment-form {
  padding: var(--spacing-lg);
  border-top: 1px solid var(--glass-border);
  background: rgba(0, 0, 0, 0.02);
}

.comment-form__title {
  font-size: 0.875rem;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
  font-weight: 500;
}

.comment-form__row {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.comment-form__field {
  flex: 1;
}

.comment-form__input {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  color: var(--text-primary);
  font-family: inherit;
}

.comment-form__input:focus {
  outline: none;
  border-color: var(--accent-start);
}

.comment-form__input::placeholder {
  color: var(--text-muted);
}

.comment-form__textarea {
  width: 100%;
  min-height: 80px;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  color: var(--text-primary);
  font-family: inherit;
  resize: vertical;
  margin-bottom: var(--spacing-md);
}

.comment-form__textarea:focus {
  outline: none;
  border-color: var(--accent-start);
}

.comment-form__textarea::placeholder {
  color: var(--text-muted);
}

.comment-form__select {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  color: var(--text-primary);
  font-family: inherit;
  cursor: pointer;
}

.comment-form__select:focus {
  outline: none;
  border-color: var(--accent-start);
}

.comment-form__actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-sm);
}

.comment-form__submit {
  padding: var(--spacing-sm) var(--spacing-lg);
  background: linear-gradient(135deg, var(--accent-start), var(--accent-end));
  border: none;
  border-radius: var(--radius-sm);
  color: #fafafa;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.comment-form__submit:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.comment-form__submit:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.comment-form__cancel {
  padding: var(--spacing-sm) var(--spacing-lg);
  background: transparent;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.875rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.comment-form__cancel:hover {
  background: rgba(0, 0, 0, 0.05);
}

/* Reply Form (inline) */
.comment-reply-form {
  margin-top: var(--spacing-md);
  padding: var(--spacing-md);
  background: rgba(0, 0, 0, 0.03);
  border-radius: var(--radius-sm);
}

.comment-reply-form .comment-form__textarea {
  min-height: 60px;
}

/* Responsive Comments */
@media (max-width: 768px) {
  .comment-modal__content {
    width: 95%;
    max-height: 90vh;
  }

  .comment-form__row {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .comment-item__header {
    flex-direction: column;
    gap: var(--spacing-xs);
  }

  .comment-item__meta {
    flex-wrap: wrap;
  }

  .comment-replies {
    margin-left: var(--spacing-sm);
    padding-left: var(--spacing-sm);
  }
}

/* ============================================================================
   MODAL (shared styles for all modals)
   ============================================================================ */

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  /* ═══════════════════════════════════════════════════════════════════════════
     MODAL BACKGROUND & BLUR SETTINGS - Adjust these values to customize
     ═══════════════════════════════════════════════════════════════════════════ */
  /* ADJUST BACKGROUND: rgba(R, G, B, opacity)
     Examples: rgba(0,0,0,0.5) = dark, rgba(255,255,255,0.3) = light, transparent = none */
  background: rgba(255, 255, 255, 0.15);
  /* ADJUST BLUR: Change px value (e.g., 4px, 8px, 12px, 20px) */
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  /* ═══════════════════════════════════════════════════════════════════════════ */
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: var(--spacing-xl);
  animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal-content {
  max-width: 800px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: var(--spacing-xl);
  position: relative;
  animation: slideUp 0.3s ease;
  background: rgba(255, 255, 255, 0.85);
  transition: box-shadow 0.2s ease;
}

.modal-content:hover {
  box-shadow: inset 0 2px 12px rgba(117, 117, 117, 0.2);
}

@keyframes slideUp {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* Modal scrollbar - inset from edges */
.modal-content::-webkit-scrollbar {
  width: 12px;
}

.modal-content::-webkit-scrollbar-track {
  background: transparent;
  margin: var(--spacing-md) 0;
}

.modal-content::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.15);
  border-radius: 10px;
  border: 3px solid transparent;
  background-clip: padding-box;
}

.modal-content::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 0, 0, 0.25);
  border: 3px solid transparent;
  background-clip: padding-box;
}

.modal-close {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  width: 32px;
  height: 32px;
  border: none;
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
  border-radius: 50%;
  font-size: 1.25rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast);
}

.modal-close:hover {
  background: rgba(255, 255, 255, 0.2);
}

.modal-header {
  display: flex;
  align-items: center;
  margin-bottom: var(--spacing-lg);
}

.modal-header h2 {
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--text-primary);
}

.modal-section {
  margin-top: var(--spacing-xl);
}

.modal-section h4 {
  font-size: 0.875rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-md);
}

.modal-header--stacked {
  flex-direction: column;
  align-items: flex-start;
}

.modal-header--stacked h2 {
  margin: 0;
}

.modal-context {
  font-size: 0.85rem;
  color: #9ca3af;
  margin-top: 0.25rem;
  margin-bottom: 0;
}

/* PSet list in modals */
.pset-list__item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--glass-border);
}

.pset-list__item:last-child {
  border-bottom: none;
}

.pset-list__name {
  font-size: 0.875rem;
}

.pset-list__domain {
  font-size: 0.75rem;
  color: var(--text-muted);
  padding: 2px 6px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 3px;
}

/* Accordion */
.accordion {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.accordion-item {
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.3);
}

.accordion-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  cursor: pointer;
  user-select: none;
  transition: background var(--transition-fast);
}

.accordion-header:hover {
  background: rgba(255, 255, 255, 0.4);
}

.accordion-chevron {
  font-size: 0.75rem;
  color: var(--text-muted);
  width: 1rem;
  text-align: center;
  flex-shrink: 0;
}

.accordion-content {
  border-top: 1px solid var(--glass-border);
  background: rgba(255, 255, 255, 0.2);
}

.accordion-inner {
  padding: var(--spacing-md);
}

.accordion-section {
  margin-bottom: var(--spacing-md);
}

.accordion-section:last-child {
  margin-bottom: 0;
}

.accordion-section h5 {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-sm);
  font-weight: 500;
}

.accordion-section p {
  font-size: 0.875rem;
  line-height: 1.5;
}

/* Compact data table */
.data-table--compact {
  font-size: 0.8125rem;
}

.data-table--compact td {
  padding: var(--spacing-xs) var(--spacing-sm);
}

.data-table--compact td:first-child {
  width: 100px;
}

.text-muted {
  color: var(--text-muted);
  font-size: 0.875rem;
  font-style: italic;
}

/* Validation errors */
.validation-error-group {
  margin-bottom: var(--spacing-md);
}

.validation-error-group__header {
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xs);
  padding-bottom: var(--spacing-xs);
  border-bottom: 1px solid var(--glass-border);
}

.validation-error-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.validation-error-item {
  display: flex;
  gap: var(--spacing-sm);
  padding: var(--spacing-xs) 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  font-size: 0.875rem;
}

.validation-error-item__attr {
  font-family: var(--font-mono);
  color: var(--accent-start);
  min-width: 120px;
}

.validation-error-item__name {
  flex: 1;
  color: var(--text-primary);
}

.validation-error-item__issue {
  color: #ef4444;
  font-size: 0.75rem;
}

/* ============================================================================
   LANDING PAGE
   ============================================================================ */

.landing-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.landing-page > .container {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100%;
}

.landing-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--spacing-md) 0;
}

@media (max-width: 768px) {
  .landing-page {
    height: auto;
    overflow: visible;
  }

  .landing-page > .container {
    height: auto;
  }

  .landing-content {
    justify-content: flex-start;
  }
}

.landing-page .header {
  margin-bottom: 0;
  padding: var(--spacing-sm) 0;
}

.landing-page .hero {
  margin-bottom: var(--spacing-sm);
  text-align: justify;
}

.landing-page .modules {
  margin-top: var(--spacing-md);
  gap: var(--spacing-sm);
}

.landing-page .module-card {
  padding: var(--spacing-md);
}

.landing-page .module-card__stats {
  margin-top: var(--spacing-sm);
  padding-top: var(--spacing-sm);
}

.landing-page .module-card__icon {
  width: 32px;
  height: 32px;
  stroke: var(--accent-start);
  flex-shrink: 0;
}

.version-badge {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-md);
  background: rgba(102, 126, 234, 0.15);
  border: 1px solid rgba(102, 126, 234, 0.3);
  border-radius: 20px;
  font-size: 0.75rem;
  color: var(--accent-start);
}

.landing-footer {
  text-align: center;
  padding: var(--spacing-md) 0;
  border-top: 1px solid var(--glass-border);
  color: var(--text-muted);
  font-size: 0.8125rem;
}

.landing-footer a {
  color: var(--text-secondary);
}

/* ============================================================================
   SPECIFICATION BUILDER PAGE
   ============================================================================ */

.spec-section {
  margin-bottom: var(--spacing-2xl);
}

.spec-section__title,
.summary-panel__title {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: var(--spacing-lg);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}

.step-icon {
  width: 1.5rem;
  height: 1.5rem;
  flex-shrink: 0;
}

.spec-section__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.spec-section__header .spec-section__title {
  margin-bottom: 0;
}

.pset-filter-bar {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.pset-filter-bar .search-container {
  position: relative;
  width: 280px;
}

.pset-filter-bar .search-input {
  width: 100%;
}

.pset-filter-info {
  font-size: 0.8125rem;
  white-space: nowrap;
}

.pset-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-md);
  max-height: 400px;
  overflow-y: auto;
  padding: var(--spacing-md);
  background: rgba(0, 0, 0, 0.03);
  border-radius: var(--radius-md);
}

.pset-checkbox {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.875rem;
  transition: all var(--transition-fast);
}

.pset-checkbox:hover {
  border-color: rgba(255, 255, 255, 0.2);
}

.pset-checkbox--selected {
  border-color: var(--accent-start);
  background: rgba(102, 126, 234, 0.1);
}

.pset-checkbox input {
  display: none;
}

.pset-checkbox__box {
  width: 16px;
  height: 16px;
  border: 2px solid var(--glass-border);
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.pset-checkbox--selected .pset-checkbox__box {
  background: var(--accent-start);
  border-color: var(--accent-start);
}

.pset-checkbox__box::after {
  content: '✓';
  color: white;
  font-size: 0.75rem;
  opacity: 0;
}

.pset-checkbox--selected .pset-checkbox__box::after {
  opacity: 1;
}

.pset-checkbox__name {
  flex: 1;
  color: var(--text-secondary);
}

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

.domain-section {
  margin-bottom: var(--spacing-lg);
}

.domain-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--glass-border);
}

.domain-header__title {
  font-size: 0.9375rem;
  color: var(--text-primary);
}

.domain-header__actions {
  display: flex;
  gap: var(--spacing-sm);
}

.domain-header__btn {
  font-size: 0.75rem;
  padding: var(--spacing-xs) var(--spacing-sm);
  background: none;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.domain-header__btn:hover {
  border-color: var(--accent-start);
  color: var(--text-primary);
}

/* ============================================================================
   ANALYSIS PAGE
   ============================================================================ */

.analysis-section {
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-lg);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
}

.analysis-section__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
}

.analysis-section__title {
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--text-primary);
}

.analysis-section__count {
  font-size: 0.875rem;
  color: var(--text-muted);
  background: rgba(102, 126, 234, 0.1);
  padding: 4px 12px;
  border-radius: var(--radius-sm);
}

.analysis-section__desc {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: var(--spacing-md);
}

.analysis-section__content {
  max-height: 400px;
  overflow-y: auto;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
}

.analysis-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8125rem;
}

.analysis-table th,
.analysis-table td {
  padding: var(--spacing-sm) var(--spacing-md);
  text-align: left;
  border-bottom: 1px solid var(--glass-border);
}

.analysis-table th {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  font-size: 0.6875rem;
  letter-spacing: 0.05em;
}

.analysis-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

.analysis-empty {
  text-align: center;
  padding: var(--spacing-lg);
  color: var(--text-muted);
}

.analysis-loading {
  text-align: center;
  padding: var(--spacing-lg);
  color: var(--text-muted);
}

.pset-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.pset-tag {
  font-size: 0.6875rem;
  padding: 2px 6px;
  background: rgba(102, 126, 234, 0.1);
  border-radius: 3px;
  color: var(--accent-start);
}

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

.comment-btn-small {
  background: none;
  border: none;
  cursor: pointer;
  opacity: 0.4;
  padding: 0.25rem;
  transition: opacity 0.2s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.comment-btn-small:hover {
  opacity: 1;
}

.comment-btn-small i {
  width: 16px;
  height: 16px;
}

/* Comparison sections (Lisa-1 vs Lisa-2) */
.comparison-section {
  margin-bottom: var(--spacing-lg);
}

.comparison-section.glass {
  padding: var(--spacing-lg);
}

.comparison-section__title {
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--glass-border);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.comparison-table th,
.comparison-table td {
  padding: var(--spacing-sm) var(--spacing-md);
  text-align: left;
  border-bottom: 1px solid var(--glass-border);
}

.comparison-table th {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}

.comparison-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
}

.badge--success {
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
}

.badge--warning {
  background: rgba(245, 158, 11, 0.15);
  color: #f59e0b;
}

.badge--error {
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
}

.badge--info {
  background: rgba(102, 126, 234, 0.15);
  color: var(--accent-start);
}

.pros-cons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
}

@media (max-width: 768px) {
  .pros-cons {
    grid-template-columns: 1fr;
  }
}

.pros-cons__card {
  padding: var(--spacing-md);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
}

.pros-cons__card--pro {
  border-color: rgba(16, 185, 129, 0.3);
}

.pros-cons__card--con {
  border-color: rgba(239, 68, 68, 0.3);
}

.pros-cons__title {
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.pros-cons__list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.pros-cons__list li {
  padding: var(--spacing-xs) 0;
  color: var(--text-secondary);
  font-size: 0.875rem;
  padding-left: var(--spacing-md);
  position: relative;
}

.pros-cons__list li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--text-muted);
}

.domain-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--spacing-sm);
}

@media (max-width: 900px) {
  .domain-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 600px) {
  .domain-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.domain-card {
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
}

.domain-card__code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--accent-start);
}

.domain-card__name {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.issue-card {
  padding: var(--spacing-md);
  background: rgba(239, 68, 68, 0.05);
  border: 1px solid rgba(239, 68, 68, 0.2);
  border-radius: var(--radius-md);
}

.issue-list {
  margin: 0;
  padding-left: var(--spacing-lg);
}

.issue-list li {
  margin-bottom: var(--spacing-sm);
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.5;
}

.issue-list li:last-child {
  margin-bottom: 0;
}

.issue-list li strong {
  color: #ef4444;
  display: block;
  margin-bottom: 4px;
}

.issue-list li p {
  margin: 0;
}

.code-block {
  background: rgba(0, 0, 0, 0.3);
  border-radius: var(--radius-sm);
  padding: var(--spacing-md);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8125rem;
  color: var(--text-secondary);
  overflow-x: auto;
  margin: var(--spacing-md) 0;
}

.summary-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

@media (max-width: 600px) {
  .summary-stats {
    grid-template-columns: repeat(2, 1fr);
  }
}

.stat-card {
  padding: var(--spacing-md);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  text-align: center;
}

.stat-card__value {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
}

.stat-card__label {
  font-size: 0.6875rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.highlight {
  background: rgba(245, 158, 11, 0.1);
  padding: 2px 6px;
  border-radius: 3px;
  color: #f59e0b;
}

/* Version Comparison Styles */
.version-compare {
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-lg);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
}

.version-compare__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
}

.version-compare__title {
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--text-primary);
}

.version-compare__form {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.version-compare__select {
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.875rem;
  min-width: 180px;
}

.version-compare__arrow {
  color: var(--text-muted);
  font-size: 1.25rem;
}

.version-compare__btn {
  padding: 8px 20px;
  background: linear-gradient(135deg, var(--accent-start), var(--accent-end));
  border: none;
  border-radius: var(--radius-sm);
  color: white;
  font-weight: 500;
  cursor: pointer;
  transition: opacity 0.2s;
}

.version-compare__btn:hover {
  opacity: 0.9;
}

.version-compare__btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Comparison Results */
.compare-results {
  display: none;
  margin-top: var(--spacing-lg);
}

.compare-results.active {
  display: block;
}

.compare-summary {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

@media (max-width: 768px) {
  .compare-summary {
    grid-template-columns: repeat(2, 1fr);
  }
}

.compare-stat {
  padding: var(--spacing-md);
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-md);
  text-align: center;
}

.compare-stat__value {
  font-size: 1.75rem;
  font-weight: 600;
}

.compare-stat__value--added { color: #10b981; }
.compare-stat__value--removed { color: #ef4444; }
.compare-stat__value--modified { color: #f59e0b; }
.compare-stat__value--phases { color: #8b5cf6; }

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

/* Comparison Tabs */
.compare-tabs {
  display: flex;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--glass-border);
  padding-bottom: var(--spacing-xs);
}

.compare-tab {
  padding: 8px 16px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.875rem;
  cursor: pointer;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  transition: all 0.2s;
}

.compare-tab:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.03);
}

.compare-tab.active {
  color: var(--accent-start);
  background: rgba(102, 126, 234, 0.1);
}

.compare-tab-content {
  display: none;
}

.compare-tab-content.active {
  display: block;
}

/* Change sections */
.change-section {
  margin-bottom: var(--spacing-lg);
}

.change-section__title {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-sm);
}

.change-section__title--added {
  background: rgba(16, 185, 129, 0.1);
  color: #10b981;
}

.change-section__title--removed {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
}

.change-section__title--modified {
  background: rgba(245, 158, 11, 0.1);
  color: #f59e0b;
}

.change-list {
  max-height: 300px;
  overflow-y: auto;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
}

.change-item {
  padding: var(--spacing-sm) var(--spacing-md);
  border-bottom: 1px solid var(--glass-border);
  font-size: 0.8125rem;
}

.change-item:last-child {
  border-bottom: none;
}

.change-item:hover {
  background: rgba(255, 255, 255, 0.02);
}

.change-item__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.change-item__code {
  font-family: 'JetBrains Mono', monospace;
  color: var(--accent-start);
}

.change-item__name {
  color: var(--text-primary);
  margin-left: var(--spacing-sm);
}

.change-item__badges {
  display: flex;
  gap: 4px;
}

.change-badge {
  font-size: 0.625rem;
  padding: 2px 6px;
  border-radius: 3px;
  text-transform: uppercase;
}

.change-badge--datatype {
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
}

.change-badge--name {
  background: rgba(245, 158, 11, 0.15);
  color: #f59e0b;
}

.change-badge--ifc {
  background: rgba(102, 126, 234, 0.15);
  color: var(--accent-start);
}

.change-item__details {
  display: none;
  margin-top: var(--spacing-sm);
  padding: var(--spacing-sm);
  background: rgba(0, 0, 0, 0.2);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
}

.change-item.expanded .change-item__details {
  display: block;
}

.change-detail {
  display: grid;
  grid-template-columns: 100px 1fr 1fr;
  gap: var(--spacing-xs);
  padding: 4px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.change-detail:last-child {
  border-bottom: none;
}

.change-detail__field {
  color: var(--text-muted);
}

.change-detail__from {
  color: #ef4444;
  text-decoration: line-through;
}

.change-detail__to {
  color: #10b981;
}

.no-changes {
  text-align: center;
  padding: var(--spacing-lg);
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* ============================================================================
   UTILITY CLASSES
   ============================================================================ */

/* Filters wrapper with grid layout (filters + feedback button) */
.filters-wrapper {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--spacing-md);
  align-items: stretch;
  margin-bottom: var(--spacing-lg);
}

.filters-wrapper--xl {
  margin-bottom: var(--spacing-xl);
}

/* Inline filters (no bottom margin) */
.filters--inline {
  margin-bottom: 0;
}

/* Search box row layout */
.search-box--row {
  margin-bottom: var(--spacing-lg);
  display: flex;
  gap: 1rem;
  align-items: center;
}

.search-box--row .search-input {
  flex: 1;
}

/* Large comment button */
.comment-btn--large {
  padding: 1rem 2rem;
  font-size: 1rem;
}

/* ================================================
   ATTRIBUTE LIST - Scrollable Container
   ================================================ */

.attr-list {
  max-height: 850px;  /* Approximately 5-7 cards visible */
  overflow-y: auto;
  padding-right: var(--spacing-sm);
  padding-bottom: 200px;  /* Allows last item to scroll above gradient */
  scrollbar-width: none;  /* Firefox */
  -ms-overflow-style: none;  /* IE/Edge */
}

/* Hide scrollbar for webkit browsers */
.attr-list::-webkit-scrollbar {
  display: none;
}

/* PSet list scrollable container (registry page) */
.pset-list {
  max-height: 900px;
  overflow-y: auto;
  padding-right: var(--spacing-sm);
  padding-bottom: 200px;  /* Allows last item to scroll above gradient */
  scrollbar-width: none;  /* Firefox */
  -ms-overflow-style: none;  /* IE/Edge */
}

/* Hide scrollbar for webkit browsers */
.pset-list::-webkit-scrollbar {
  display: none;
}

/* Fade effect at top and bottom edges */
.attr-list,
.pset-list {
  mask-image: linear-gradient(
    to bottom,
    black 0%,
    black 75%,
    transparent 100%
  );
  -webkit-mask-image: linear-gradient(
    to bottom,
    black 0%,
    black 75%,
    transparent 100%
  );
}

/* Attribute list inside modal - scrollable without fade */
.modal-attr-list {
  max-height: 400px;
  overflow-y: auto;
  padding-bottom: 1rem;
  mask-image: none;
  -webkit-mask-image: none;
  scrollbar-width: thin;
}

/* Property set list inside modal - scrollable without fade */
.modal-pset-list {
  max-height: 400px;
  overflow-y: auto;
  padding-bottom: 1rem;
  mask-image: none;
  -webkit-mask-image: none;
  scrollbar-width: thin;
}

/* ============================================
   Language Switcher
   ============================================ */

.language-switcher {
  display: flex;
  gap: 0.25rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 0.25rem;
}

.language-switcher button {
  background: transparent;
  border: none;
  padding: 0.375rem 0.75rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
}

.language-switcher button:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.language-switcher button.active {
  background: var(--accent-start);
  color: white;
}

/* Header actions container for language switcher */
.header__actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

/* Mobile responsive */
@media (max-width: 768px) {
  .language-switcher button {
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
  }
}