.benchmark-page {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.benchmark-hero-copy {
  max-width: 76ch;
  color: var(--color-gray-500);
  font-size: 0.92rem;
}

.benchmark-hero-note {
  align-self: flex-start;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(26, 35, 50, 0.08);
  color: var(--color-navy);
  font-size: 0.8rem;
  font-weight: 600;
}

.benchmark-workspace {
  display: grid;
  grid-template-columns: minmax(320px, 380px) minmax(0, 1fr);
  gap: var(--space-lg);
  align-items: start;
}

.benchmark-sidebar,
.benchmark-preview-panel {
  margin-bottom: 0;
}

.benchmark-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.benchmark-control-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.benchmark-control-group label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-navy);
}

.benchmark-helper {
  font-size: 0.78rem;
  color: var(--color-gray-400);
}

.benchmark-label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
}

.benchmark-label-row span {
  font-size: 0.76rem;
  color: var(--color-gray-400);
}

.benchmark-mode-grid {
  display: grid;
  gap: var(--space-sm);
}

.benchmark-mode-btn {
  padding: var(--space-md);
  text-align: left;
  background: var(--color-offwhite);
  border: 1px solid var(--color-gray-100);
  color: var(--color-navy);
}

.benchmark-mode-btn span {
  display: block;
  font-weight: 700;
}

.benchmark-mode-btn small {
  display: block;
  margin-top: 4px;
  color: var(--color-gray-400);
  line-height: 1.45;
}

.benchmark-mode-btn.active {
  border-color: var(--color-gold);
  background: rgba(200, 165, 90, 0.12);
  box-shadow: inset 0 0 0 1px rgba(200, 165, 90, 0.12);
}

.benchmark-source-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  max-height: 520px;
  overflow-y: auto;
  padding-right: 2px;
}

.benchmark-source-card {
  display: block;
  border: 1px solid var(--color-gray-100);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  background: var(--color-offwhite);
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
}

.benchmark-source-card:hover {
  border-color: var(--color-gray-200);
  background: #f0f2f5;
}

.benchmark-source-card.selected {
  border-color: var(--color-accent);
  background: rgba(59, 130, 246, 0.08);
}

.benchmark-source-header {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  gap: var(--space-sm);
  align-items: start;
  margin-bottom: var(--space-sm);
}

.benchmark-source-header strong {
  display: block;
  font-size: 0.82rem;
}

.benchmark-source-header span {
  display: block;
  margin-top: 2px;
  font-size: 0.76rem;
  color: var(--color-gray-400);
}

.benchmark-source-card p {
  font-size: 0.8rem;
  color: var(--color-gray-500);
  margin-bottom: var(--space-sm);
}

.benchmark-source-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.benchmark-source-meta span {
  padding: 4px 8px;
  border-radius: 999px;
  background: var(--color-white);
  border: 1px solid var(--color-gray-100);
  font-size: 0.7rem;
  color: var(--color-gray-400);
}

.benchmark-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-sm);
}

.benchmark-actions .btn-primary,
.benchmark-actions .btn-success {
  grid-column: span 2;
}

.benchmark-preview-panel {
  min-height: 600px;
}

.benchmark-preview-toolbar {
  display: flex;
  justify-content: space-between;
  gap: var(--space-md);
  align-items: flex-start;
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-gray-100);
}

.benchmark-preview-toolbar strong {
  display: block;
  font-size: 0.95rem;
}

.benchmark-preview-toolbar span {
  font-size: 0.8rem;
  color: var(--color-gray-400);
}

.benchmark-published-flag {
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(34, 197, 94, 0.1);
  color: var(--color-success);
  font-size: 0.75rem;
  font-weight: 700;
  white-space: nowrap;
}

.benchmark-published-flag.draft {
  background: rgba(59, 130, 246, 0.1);
  color: var(--color-accent);
}

.benchmark-preview-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.benchmark-preview-placeholder,
.benchmark-empty {
  min-height: 260px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--color-gray-400);
  padding: var(--space-xl);
}

.benchmark-meta-card {
  border: 1px solid var(--color-gray-100);
  border-radius: var(--radius-md);
  background: var(--color-offwhite);
  padding: var(--space-md);
}

.benchmark-meta-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-sm);
}

.benchmark-meta-item {
  padding: var(--space-sm);
  border-radius: var(--radius-sm);
  background: var(--color-white);
  border: 1px solid var(--color-gray-100);
}

.benchmark-meta-label {
  display: block;
  font-size: 0.7rem;
  color: var(--color-gray-400);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 4px;
}

.benchmark-meta-value {
  display: block;
  font-size: 0.82rem;
  color: var(--color-navy);
}

.benchmark-warning-list {
  margin-top: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  background: rgba(245, 158, 11, 0.12);
  color: #8a5a00;
  font-size: 0.78rem;
}

.benchmark-warning-list p + p {
  margin-top: 4px;
}

.benchmark-manuscript {
  background: var(--color-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-gray-100);
  padding: clamp(20px, 3vw, 40px);
  box-shadow: var(--shadow-sm);
}

.benchmark-header h1 {
  font-size: clamp(1.45rem, 2vw, 2rem);
  margin-bottom: var(--space-sm);
}

.benchmark-lead {
  color: var(--color-gray-500);
  font-size: 0.95rem;
  margin-bottom: var(--space-md);
}

.benchmark-callout {
  border-left: 3px solid var(--color-gold);
  padding-left: var(--space-md);
  margin: 0 0 var(--space-lg);
  color: var(--color-gray-500);
  font-style: italic;
}

.benchmark-section + .benchmark-section {
  margin-top: var(--space-lg);
}

.benchmark-section h2,
.benchmark-references h2 {
  font-size: 1.08rem;
  margin-bottom: var(--space-sm);
}

.benchmark-section p,
.benchmark-references li {
  font-family: var(--font-heading);
  font-size: 1rem;
  line-height: 1.78;
  color: var(--color-navy);
}

.benchmark-section p + p {
  margin-top: 0.95rem;
}

.benchmark-section ul,
.benchmark-references ol {
  margin-top: var(--space-sm);
  margin-left: var(--space-lg);
}

.benchmark-section li {
  font-family: var(--font-heading);
  line-height: 1.72;
}

.benchmark-references {
  margin-top: var(--space-xl);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-gray-100);
}

.benchmark-references li + li {
  margin-top: 8px;
}

.benchmark-published-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-md);
}

.benchmark-published-card {
  border: 1px solid var(--color-gray-100);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  background: var(--color-offwhite);
}

.benchmark-published-card.active {
  border-color: var(--color-accent);
  background: rgba(59, 130, 246, 0.06);
}

.benchmark-published-card-top {
  display: flex;
  justify-content: space-between;
  gap: var(--space-sm);
  align-items: flex-start;
  margin-bottom: var(--space-sm);
}

.benchmark-published-card-top h4 {
  font-size: 0.96rem;
  margin-bottom: 4px;
}

.benchmark-published-card-top p {
  font-size: 0.8rem;
  color: var(--color-gray-400);
}

.benchmark-version-badge {
  padding: 4px 9px;
  border-radius: 999px;
  background: var(--color-white);
  border: 1px solid var(--color-gray-100);
  font-size: 0.75rem;
  font-weight: 700;
}

.benchmark-published-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: var(--space-md);
}

.benchmark-published-card-meta span {
  padding: 4px 8px;
  border-radius: 999px;
  background: var(--color-white);
  font-size: 0.72rem;
  color: var(--color-gray-400);
}

.benchmark-published-card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

@media (max-width: 1024px) {
  .benchmark-workspace {
    grid-template-columns: 1fr;
  }

  .benchmark-preview-panel {
    min-height: 0;
  }

  .benchmark-published-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .benchmark-actions {
    grid-template-columns: 1fr;
  }

  .benchmark-actions .btn-primary,
  .benchmark-actions .btn-success {
    grid-column: span 1;
  }

  .benchmark-meta-grid {
    grid-template-columns: 1fr;
  }

  .benchmark-preview-toolbar {
    flex-direction: column;
  }
}