/* Comparison Page Specific Styles */

.comparison-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem;
}

.comparison-intro {
  text-align: center;
  margin-bottom: 3rem;
}

.comparison-intro h1 {
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.comparison-intro p {
  color: var(--text-secondary);
  font-size: 1.125rem;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

.scheme-overview {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.scheme-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.scheme-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--scheme-accent, var(--accent-color));
}

.scheme-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.scheme-card.legacy {
  --scheme-accent: #8b5cf6;
}
.scheme-card.artist {
  --scheme-accent: #06b6d4;
}
.scheme-card.hierarchical {
  --scheme-accent: #10b981;
}
.scheme-card.semantic {
  --scheme-accent: #f59e0b;
}

.scheme-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.scheme-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--scheme-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: bold;
  font-size: 1.25rem;
}

.scheme-name {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.scheme-description {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  line-height: 1.6;
}

.scheme-example {
  background: var(--bg-code);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 0.75rem;
  font-family: "Fira Code", monospace;
  font-size: 0.875rem;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

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

.scheme-pros li {
  padding: 0.25rem 0;
  padding-left: 1.5rem;
  position: relative;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.scheme-pros li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--success-text);
  font-weight: bold;
}

.comparison-table-section {
  margin: 3rem 0;
}

.table-controls {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  align-items: center;
}

.table-filter {
  padding: 0.5rem 1rem;
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
  color: var(--text-secondary);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 0.875rem;
}

.table-filter:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.table-filter.active {
  background: var(--accent-color);
  color: white;
  border-color: var(--accent-color);
}

.search-input {
  padding: 0.5rem 1rem;
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
  color: var(--text-primary);
  border-radius: 6px;
  font-size: 0.875rem;
  min-width: 200px;
}

.search-input:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px var(--accent-color-alpha);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.comparison-table th,
.comparison-table td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.comparison-table th {
  background: var(--bg-tertiary);
  font-weight: 600;
  color: var(--text-primary);
  position: sticky;
  top: 0;
  z-index: 10;
}

.comparison-table td {
  color: var(--text-secondary);
  font-family: "Fira Code", monospace;
  font-size: 0.875rem;
}

.comparison-table tbody tr:hover {
  background: var(--bg-hover);
}

.comparison-table tbody tr:last-child td {
  border-bottom: none;
}

.scheme-label {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 500;
  color: white;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.scheme-label.legacy {
  background: #8b5cf6;
}
.scheme-label.artist {
  background: #06b6d4;
}
.scheme-label.hierarchical {
  background: #10b981;
}
.scheme-label.semantic {
  background: #f59e0b;
}

.conversion-demo {
  margin: 3rem 0;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 2rem;
}

.conversion-controls {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 1rem;
  align-items: center;
  margin-bottom: 2rem;
}

.scheme-selector {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.scheme-selector label {
  font-weight: 500;
  color: var(--text-primary);
  font-size: 0.875rem;
}

.scheme-select {
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border-radius: 6px;
  font-size: 0.875rem;
}

.conversion-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-color);
  font-size: 1.5rem;
  font-weight: bold;
}

.animation-input {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border-radius: 6px;
  font-family: "Fira Code", monospace;
  font-size: 0.875rem;
}

.conversion-result {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 1rem;
  margin-top: 1rem;
}

.result-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.result-value {
  font-family: "Fira Code", monospace;
  font-size: 1rem;
  color: var(--text-primary);
  background: var(--bg-code);
  padding: 0.75rem;
  border-radius: 4px;
  word-break: break-all;
}

.performance-comparison {
  margin: 3rem 0;
}

.performance-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.performance-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1.5rem;
  text-align: center;
}

.performance-metric {
  font-size: 2rem;
  font-weight: bold;
  color: var(--accent-color);
  margin-bottom: 0.5rem;
}

.performance-label {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.no-results {
  text-align: center;
  padding: 2rem;
  color: var(--text-secondary);
  font-style: italic;
}

@media (max-width: 768px) {
  .comparison-container {
    padding: 1rem;
  }

  .scheme-overview {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .table-controls {
    flex-direction: column;
    align-items: stretch;
  }

  .search-input {
    min-width: auto;
  }

  .comparison-table {
    font-size: 0.75rem;
  }

  .comparison-table th,
  .comparison-table td {
    padding: 0.75rem 0.5rem;
  }

  .conversion-controls {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .conversion-arrow {
    transform: rotate(90deg);
  }

  .performance-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}