/* ULTSQL Benchmarks Page Styles — Minimalist Monochrome (Strictly Black & White)
   Inspired by Bklit UI & shadcn/ui */

.bench-container {
  max-width: 1360px;
  margin: 0 auto;
  padding: 6.75rem 1.5rem 6rem;
  position: relative;
  z-index: 1;
}

.bench-hero {
  text-align: center;
  max-width: 820px;
  margin: 0 auto 3rem;
}

.bench-hero-title {
  font-size: 2.75rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.bench-hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* Hardware Rig Card */
.bench-rig-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.75rem 2rem;
  margin-bottom: 3.5rem;
  box-shadow: var(--shadow-sm);
}

.bench-rig-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.bench-rig-title-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.bench-rig-badge {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  padding: 0.25rem 0.6rem;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-medium);
  color: var(--text-primary);
  border-radius: var(--radius-pill);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.bench-rig-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
}

.bench-rig-item {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xs);
  padding: 1rem;
}

.bench-rig-item-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-tertiary);
  margin-bottom: 0.35rem;
}

.bench-rig-item-val {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* Category Filters */
.bench-filter-bar {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.bench-filter-btn {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 0.85rem;
  padding: 0.45rem 1rem;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.bench-filter-btn:hover {
  color: var(--text-primary);
  background: var(--bg-surface-hover);
  border-color: var(--border-medium);
}

.bench-filter-btn.active {
  background: var(--text-primary);
  color: var(--text-inverse);
  border-color: var(--text-primary);
  font-weight: 700;
  box-shadow: var(--shadow-sm);
}

/* Workload Comparison Cards */
.bench-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(420px, 1fr));
  gap: 1.75rem;
  margin-bottom: 4rem;
}

.bench-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.bench-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-glow);
}

.bench-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  gap: 1rem;
}

.bench-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.bench-card-group {
  font-size: 0.72rem;
  color: var(--text-tertiary);
  font-family: var(--font-mono);
  text-transform: uppercase;
}

.bench-winner-tag {
  font-size: 0.72rem;
  font-weight: 700;
  font-family: var(--font-mono);
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-pill);
  white-space: nowrap;
}

.tag-ultsql-win {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-medium);
  color: var(--text-primary);
}

.tag-sqlite-win {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}

.tag-standalone {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-tertiary);
}

/* Engine Comparison Bars */
.bench-bars-container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 1rem;
}

.bench-bar-row {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.bench-bar-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
  font-family: var(--font-mono);
}

.bench-engine-label {
  font-weight: 600;
  color: var(--text-primary);
}

.bench-engine-val {
  font-weight: 700;
  color: var(--text-primary);
}

.bench-bar-track {
  height: 8px;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-pill);
  overflow: hidden;
  position: relative;
}

.bench-bar-fill {
  height: 100%;
  border-radius: var(--radius-pill);
  transition: width 1s cubic-bezier(0.22, 1, 0.36, 1);
  width: 0%;
}

.fill-ultsql {
  background: var(--text-primary);
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.25);
}

[data-theme="light"] .fill-ultsql {
  box-shadow: none;
}

.fill-sqlite {
  background: var(--text-tertiary);
}

.bench-card-note {
  font-size: 0.78rem;
  color: var(--text-tertiary);
  line-height: 1.5;
  margin-top: auto;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-subtle);
}

/* Reproduce Box */
.bench-reproduce-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2rem;
  margin-bottom: 4rem;
  box-shadow: var(--shadow-sm);
}

.bench-reproduce-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  flex-wrap: wrap;
  gap: 1rem;
}

@media (max-width: 768px) {
  .bench-container {
    padding-top: 5rem;
  }
  .bench-cards-grid {
    grid-template-columns: 1fr;
  }
}