/* ============================================
   Blueprint Visualizer - Styles
   Extends the base theme for the visualizer page
   ============================================ */

/* Main Layout */
.visualizer-main {
  padding-top: 6rem;
  min-height: 100vh;
}

/* Header Section */
.viz-header {
  padding: var(--space-2xl) var(--space-xl) var(--space-xl);
  max-width: 1400px;
  margin: 0 auto;
}

/* Controls Section */
.viz-controls {
  padding: 0 var(--space-xl) var(--space-xl);
  max-width: 1400px;
  margin: 0 auto;
}

.controls-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
  align-items: flex-end;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
}

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

.control-group label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Select Wrapper */
.select-wrapper {
  position: relative;
  min-width: 280px;
}

.select-wrapper select {
  width: 100%;
  padding: 0.75rem 2.5rem 0.75rem 1rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  cursor: pointer;
  appearance: none;
  transition: all var(--transition-fast);
}

.select-wrapper select:hover {
  border-color: var(--border-glow);
}

.select-wrapper select:focus {
  outline: none;
  border-color: var(--accent-purple);
  box-shadow: 0 0 0 3px rgba(167, 139, 250, 0.2);
}

.select-arrow {
  position: absolute;
  right: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  color: var(--text-muted);
  pointer-events: none;
}

/* View Toggle */
.view-toggle {
  display: flex;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.25rem;
}

.view-btn {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 0.5rem 1rem;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.view-btn svg {
  width: 18px;
  height: 18px;
}

.view-btn:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.view-btn.active {
  background: var(--gradient-btn);
  color: #fff;
}

.view-btn span {
  display: none;
}

@media (min-width: 768px) {
  .view-btn span {
    display: inline;
  }
}

/* Zoom Controls */
.zoom-controls {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.25rem;
}

.zoom-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.zoom-btn svg {
  width: 18px;
  height: 18px;
}

.zoom-btn:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.zoom-controls span {
  min-width: 50px;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

/* Diagram Section */
.viz-diagram {
  padding: 0 var(--space-xl) var(--space-xl);
  max-width: 1400px;
  margin: 0 auto;
}

.diagram-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  min-height: 500px;
  position: relative;
  overflow: hidden;
}

/* Placeholder State */
.diagram-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 500px;
  text-align: center;
  padding: var(--space-2xl);
}

.placeholder-icon {
  width: 80px;
  height: 80px;
  color: var(--text-muted);
  margin-bottom: var(--space-lg);
  opacity: 0.5;
}

.diagram-placeholder h3 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.diagram-placeholder p {
  color: var(--text-secondary);
  max-width: 400px;
}

/* Loading State */
.diagram-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 500px;
  text-align: center;
}

.loading-spinner {
  width: 48px;
  height: 48px;
  border: 3px solid var(--border-color);
  border-top-color: var(--accent-purple);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: var(--space-md);
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.diagram-loading p {
  color: var(--text-secondary);
}

/* Diagram Content */
.diagram-content {
  padding: var(--space-xl);
  overflow: auto;
  min-height: 500px;
}

.diagram-content .mermaid {
  display: flex;
  justify-content: center;
  min-height: 400px;
}

/* Mermaid Diagram Styling */
.diagram-content .mermaid svg {
  max-width: 100%;
  height: auto;
}

/* Override Mermaid default colors for dark theme */
.diagram-content .mermaid .node rect,
.diagram-content .mermaid .node polygon {
  stroke: var(--border-color) !important;
}

.diagram-content .mermaid .edgePath path {
  stroke: var(--text-muted) !important;
}

.diagram-content .mermaid .edgeLabel {
  background-color: var(--bg-secondary) !important;
  color: var(--text-secondary) !important;
}

/* Matrix Content */
.matrix-content {
  padding: var(--space-xl);
  overflow: auto;
  min-height: 500px;
}

.matrix-wrapper {
  overflow-x: auto;
}

.decision-matrix {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.decision-matrix th,
.decision-matrix td {
  padding: 0.75rem 1rem;
  text-align: left;
  border: 1px solid var(--border-color);
}

.decision-matrix th {
  background: var(--bg-secondary);
  font-weight: 600;
  color: var(--text-primary);
  position: sticky;
  top: 0;
  z-index: 1;
}

.decision-matrix td {
  background: rgba(255, 255, 255, 0.02);
  color: var(--text-secondary);
  vertical-align: top;
}

.decision-matrix tr:hover td {
  background: rgba(167, 139, 250, 0.05);
}

.decision-matrix .trigger-cell {
  font-weight: 500;
  color: var(--accent-cyan);
}

.decision-matrix .condition-cell {
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.decision-matrix .action-cell {
  color: var(--accent-purple);
}

/* Matrix Tags */
.matrix-tag {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  margin: 0.15rem;
  background: rgba(167, 139, 250, 0.15);
  color: var(--accent-purple);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-family: var(--font-mono);
}

.matrix-tag.trigger {
  background: rgba(34, 211, 238, 0.15);
  color: var(--accent-cyan);
}

.matrix-tag.action {
  background: rgba(236, 72, 153, 0.15);
  color: var(--accent-pink);
}

/* ========================================
   Human-Friendly Logic Matrix Styles
   ======================================== */

/* Matrix Container */
.matrix-container {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

/* Matrix Summary Header */
.matrix-summary {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(34, 211, 238, 0.05) 100%);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  margin-bottom: var(--space-md);
}

.summary-header {
  margin-bottom: var(--space-md);
}

.matrix-summary h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
  line-height: 1.4;
}

.summary-benefit {
  font-size: 0.95rem;
  color: #10b981;
  margin: 0;
}

.feature-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.feature-tag {
  display: inline-block;
  padding: 0.35rem 0.85rem;
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 500;
}

/* Table Styling */
.decision-matrix {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 0.9rem;
}

.decision-matrix th {
  background: linear-gradient(135deg, rgba(167, 139, 250, 0.15) 0%, rgba(34, 211, 238, 0.08) 100%);
  font-weight: 600;
  color: var(--text-primary);
  position: sticky;
  top: 0;
  z-index: 2;
  text-align: left;
  padding: 1rem 1.25rem;
  border-bottom: 2px solid var(--border-color);
}

.decision-matrix th.th-trigger {
  width: 22%;
}
.decision-matrix th.th-conditions {
  width: 26%;
}
.decision-matrix th.th-actions {
  width: 26%;
}
.decision-matrix th.th-why {
  width: 26%;
}

.th-icon {
  margin-right: 0.5rem;
  font-size: 1rem;
}

/* Category Header Row */
.category-row td {
  padding: 0 !important;
}

.category-header {
  background: linear-gradient(90deg, rgba(167, 139, 250, 0.08) 0%, transparent 100%);
  padding: 0.75rem 1.25rem !important;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid rgba(167, 139, 250, 0.2);
}

.category-icon {
  font-size: 1.1rem;
  margin-right: 0.5rem;
}

.category-name {
  font-weight: 600;
  color: var(--accent-purple);
  font-size: 0.95rem;
}

.category-count {
  margin-left: 0.75rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 400;
}

/* Data Rows */
.decision-matrix tr.row-even td {
  background: rgba(255, 255, 255, 0.02);
}

.decision-matrix tr.row-odd td {
  background: rgba(255, 255, 255, 0.04);
}

.decision-matrix td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  vertical-align: top;
}

.decision-matrix tr:hover td {
  background: rgba(167, 139, 250, 0.08);
}

/* Trigger Cell */
.trigger-content {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.trigger-main {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

.trigger-icon {
  font-size: 1.2rem;
  flex-shrink: 0;
  line-height: 1.4;
}

.trigger-name {
  font-size: 0.9rem;
  color: var(--text-primary);
  font-weight: 500;
  line-height: 1.4;
}

.trigger-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
  padding-left: 1.8rem;
  line-height: 1.4;
}

/* Conditions List */
.conditions-list {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.condition-item {
  display: flex;
  align-items: flex-start;
  gap: 0.4rem;
  font-size: 0.85rem;
  line-height: 1.4;
}

.condition-item.muted {
  opacity: 0.5;
}

.condition-check {
  color: #22d3ee;
  font-weight: 700;
  flex-shrink: 0;
  width: 1rem;
}

.condition-text {
  color: var(--text-secondary);
}

/* Actions List */
.actions-list {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.action-item {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  padding: 0.35rem 0.6rem;
  background: rgba(167, 139, 250, 0.12);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  line-height: 1.4;
}

.action-item.muted {
  background: rgba(100, 116, 139, 0.1);
}

.action-item.muted .action-text {
  color: var(--text-muted);
}

.action-icon {
  font-size: 0.95rem;
  flex-shrink: 0;
}

.action-text {
  color: var(--accent-purple);
  font-weight: 500;
}

/* Why Cell */
.why-content {
  line-height: 1.5;
}

.why-content.muted {
  opacity: 0.7;
}

.why-text {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-style: italic;
}

/* How to Read Legend */
.howto-legend {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.howto-legend .legend-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: 0.85rem;
}

.howto-legend .legend-icon {
  font-size: 1rem;
  width: 1.5rem;
  text-align: center;
  flex-shrink: 0;
}

/* How-to emoji styling */
.howto-emoji {
  font-size: 1.5rem;
}

/* Responsive Matrix */
@media (max-width: 1024px) {
  .decision-matrix th.th-trigger,
  .decision-matrix th.th-conditions,
  .decision-matrix th.th-actions,
  .decision-matrix th.th-why {
    width: auto;
  }
}

@media (max-width: 768px) {
  .decision-matrix {
    font-size: 0.8rem;
    display: block;
    overflow-x: auto;
  }

  .decision-matrix th,
  .decision-matrix td {
    padding: 0.75rem;
    min-width: 150px;
  }

  .trigger-icon {
    font-size: 1rem;
  }

  .feature-tags {
    flex-direction: column;
  }

  .matrix-summary {
    padding: var(--space-md);
  }

  .matrix-summary h3 {
    font-size: 1rem;
  }
}

/* Info Section */
.viz-info {
  padding: 0 var(--space-xl) var(--space-xl);
  max-width: 1400px;
  margin: 0 auto;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.info-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
}

.info-card-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--border-color);
}

.info-card-header svg {
  width: 20px;
  height: 20px;
  color: var(--accent-purple);
}

.info-card-header h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.info-row {
  display: flex;
  justify-content: space-between;
  padding: var(--space-xs) 0;
}

.info-row.info-purpose {
  background: rgba(16, 185, 129, 0.1);
  border-radius: var(--radius-sm);
  padding: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.info-row.info-purpose .info-label {
  color: #10b981;
}

.info-row.info-purpose .info-value {
  color: var(--text-primary);
  max-width: 70%;
}

.info-label {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.info-value {
  color: var(--text-primary);
  font-weight: 500;
  font-size: 0.85rem;
  text-align: right;
  max-width: 60%;
  word-break: break-word;
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.stat-item {
  text-align: center;
  padding: var(--space-sm);
  background: rgba(255, 255, 255, 0.02);
  border-radius: var(--radius-md);
}

.stat-item .stat-value {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-purple);
}

.stat-item .stat-label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Legend */
.legend-items {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.legend-color {
  width: 16px;
  height: 16px;
  border-radius: var(--radius-sm);
}

.legend-color.trigger {
  background: linear-gradient(135deg, #22d3ee 0%, #06b6d4 100%);
}

.legend-color.condition {
  background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
}

.legend-color.action {
  background: linear-gradient(135deg, #a78bfa 0%, #8b5cf6 100%);
}

.legend-color.choose {
  background: linear-gradient(135deg, #ec4899 0%, #db2777 100%);
}

.legend-color.purpose {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

/* Diagram Error Display */
.diagram-error {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 300px;
  padding: var(--space-xl);
  text-align: center;
}

.diagram-error p {
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
}

.diagram-error pre {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: #f87171;
  max-width: 100%;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

/* How To Section */
.viz-howto {
  padding: var(--space-3xl) var(--space-xl);
  max-width: 1400px;
  margin: 0 auto;
  border-top: 1px solid var(--border-color);
}

.howto-content h2 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.howto-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.howto-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  text-align: center;
  transition: all var(--transition-base);
}

.howto-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-2px);
}

.howto-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-md);
  background: linear-gradient(135deg, rgba(167, 139, 250, 0.2) 0%, rgba(34, 211, 238, 0.1) 100%);
  border-radius: var(--radius-lg);
}

.howto-icon svg {
  width: 28px;
  height: 28px;
  color: var(--accent-purple);
}

.howto-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.howto-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* Active nav link */
.nav-links a.active {
  color: var(--accent-cyan);
}

/* Responsive */
@media (max-width: 768px) {
  .controls-grid {
    flex-direction: column;
    align-items: stretch;
  }

  .select-wrapper {
    min-width: 100%;
  }

  .view-toggle {
    justify-content: center;
  }

  .zoom-controls {
    justify-content: center;
  }

  .diagram-wrapper {
    min-height: 400px;
  }

  .diagram-placeholder,
  .diagram-loading {
    min-height: 400px;
  }
}

/* Zoom Transform */
.diagram-content.zoomed {
  transform-origin: center center;
  transition: transform var(--transition-fast);
}

/* Pan Support */
.diagram-content.panning {
  cursor: grab;
}

.diagram-content.panning:active {
  cursor: grabbing;
}

/* Mermaid Theme Override */
.mermaid {
  background: transparent !important;
}

/* Mermaid node classes */
.mermaid .node.trigger rect {
  fill: rgba(34, 211, 238, 0.2) !important;
  stroke: #22d3ee !important;
}

.mermaid .node.condition rect,
.mermaid .node.condition polygon {
  fill: rgba(251, 191, 36, 0.2) !important;
  stroke: #fbbf24 !important;
}

.mermaid .node.action rect {
  fill: rgba(167, 139, 250, 0.2) !important;
  stroke: #a78bfa !important;
}

.mermaid .node.choose rect {
  fill: rgba(236, 72, 153, 0.2) !important;
  stroke: #ec4899 !important;
}