/**
 * AITestHub LLP - Technical Visualizations Stylesheet
 * 100% Native Pure CSS/JS Visualizers
 * - Interactive Quality Engineering Pipeline (Hero)
 * - Multi-layer Quality Engineering Architecture (Section 10)
 */

/* ==========================================================================
   Hero Interactive Quality Engineering Pipeline
   ========================================================================== */
.hero-visualizer-container {
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-lg), 0 0 40px rgba(0, 102, 255, 0.15);
  position: relative;
  overflow: hidden;
}

.visualizer-top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: var(--space-4);
  margin-bottom: var(--space-6);
  border-bottom: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

.visualizer-title {
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 600;
}

.visualizer-controls {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.vis-btn {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  transition: all var(--transition-fast);
}

.vis-btn:hover, .vis-btn.active {
  background: rgba(0, 210, 255, 0.15);
  border-color: var(--accent-cyan);
  color: #ffffff;
}

/* Pipeline Track & Steps */
.pipeline-track {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  position: relative;
  margin-bottom: var(--space-6);
}

.pipeline-step {
  display: grid;
  grid-template-columns: 36px 1fr 140px;
  align-items: center;
  gap: var(--space-4);
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
}

.pipeline-step::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: transparent;
  border-radius: var(--radius-md) 0 0 var(--radius-md);
  transition: background var(--transition-fast);
}

.pipeline-step:hover {
  border-color: var(--border-accent);
  background: var(--bg-surface-hover);
  transform: translateX(4px);
}

.pipeline-step.active {
  border-color: var(--accent-cyan);
  background: rgba(0, 210, 255, 0.08);
  box-shadow: 0 0 20px rgba(0, 210, 255, 0.15);
}

.pipeline-step.active::before {
  background: var(--accent-cyan);
}

.pipeline-step.completed {
  border-color: rgba(16, 185, 129, 0.4);
}

.pipeline-step.completed::before {
  background: var(--status-pass);
}

.step-index-circle {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--text-muted);
  transition: all var(--transition-fast);
}

.pipeline-step.active .step-index-circle {
  background: var(--gradient-accent);
  color: #ffffff;
  border-color: transparent;
  box-shadow: 0 0 10px rgba(0, 210, 255, 0.5);
}

.pipeline-step.completed .step-index-circle {
  background: var(--status-pass);
  color: #ffffff;
  border-color: transparent;
}

.step-meta {
  display: flex;
  flex-direction: column;
}

.step-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--text-primary);
}

.step-subtext {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.step-status-tag {
  justify-self: end;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: var(--radius-full);
}

/* Pipeline Live Inspection Panel */
.pipeline-inspector {
  background: #060911;
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

.inspector-header {
  color: var(--accent-cyan);
  margin-bottom: var(--space-2);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px dashed var(--border-subtle);
  padding-bottom: var(--space-2);
}

.inspector-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-3);
}

.inspector-metric {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  padding: var(--space-2);
  border-radius: var(--radius-sm);
}

.metric-lbl { color: var(--text-muted); font-size: 0.65rem; text-transform: uppercase; }
.metric-val { color: var(--text-primary); font-size: var(--text-sm); font-weight: 700; margin-top: 2px; }

/* ==========================================================================
   Section 10 - Multi-Layer Quality Engineering Architecture
   ========================================================================== */
.qe-architecture-wrapper {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-8);
  align-items: center;
}

@media (max-width: 1024px) {
  .qe-architecture-wrapper { grid-template-columns: 1fr; }
}

.qe-layers-matrix {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  position: relative;
}

@media (max-width: 640px) {
  .qe-layers-matrix { grid-template-columns: repeat(2, 1fr); }
}

.qe-layer-node {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  cursor: pointer;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  position: relative;
}

.qe-layer-node:hover,
.qe-layer-node.selected {
  border-color: var(--accent-cyan);
  background: var(--bg-surface-elevated);
  box-shadow: 0 0 20px rgba(0, 210, 255, 0.2);
  transform: scale(1.03);
}

.qe-layer-node.selected::after {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--accent-cyan);
  pointer-events: none;
}

.layer-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  background: rgba(0, 210, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  font-size: 1rem;
}

.layer-name {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--text-primary);
}

.layer-badge {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
}

/* Central Core Target */
.qe-core-target {
  grid-column: 1 / -1;
  background: var(--gradient-accent);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #ffffff;
  box-shadow: var(--shadow-glow-cyan), var(--shadow-glow-pass);
  position: relative;
}

.core-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-lg);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.core-sub {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  opacity: 0.9;
}

/* Layer Detail Breakdown Card */
.qe-layer-details-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-lg);
}

.detail-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--border-subtle);
}

.detail-title {
  font-size: var(--text-xl);
  color: var(--text-primary);
}

.detail-body {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-6);
}

.detail-specs-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

.detail-specs-list li {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: #cbd5e1;
}

.detail-specs-list li svg {
  color: var(--status-pass);
  flex-shrink: 0;
}