/**
 * DebugPanel.css
 * 
 * Styles for the enhanced debug panel with tabs for:
 * - Raw Results (JSON view)
 * - Knowledge Graph (D3 visualization)
 * - Embeddings (PCA projection)
 */

/* Main container */
.debug-panel {
  background: var(--color-surface, #1e1e1e);
  border: 1px solid var(--color-border, #333);
  border-radius: 8px;
  margin-top: 12px;
  overflow: hidden;
  font-size: 13px;
}

/* Tab navigation */
.debug-panel__tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--color-border, #333);
  background: var(--color-surface-elevated, #252525);
}

.debug-panel__tab {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border: none;
  background: transparent;
  color: var(--color-text-secondary, #888);
  cursor: pointer;
  transition: all 0.15s ease;
  font-size: 12px;
  font-weight: 500;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}

.debug-panel__tab:hover {
  color: var(--color-text-primary, #fff);
  background: rgba(255, 255, 255, 0.05);
}

.debug-panel__tab--active {
  color: var(--color-accent, #3b82f6);
  border-bottom-color: var(--color-accent, #3b82f6);
  background: rgba(59, 130, 246, 0.08);
}

.debug-panel__tab svg {
  flex-shrink: 0;
}

/* Tab content */
.debug-panel__content {
  max-height: 350px;
  overflow-y: auto;
}

/* ============================================
   Raw Results Tab Styles
   ============================================ */

.debug-panel__raw-results {
  padding: 12px;
}

/* Toolbar */
.debug-panel__toolbar {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-border, #333);
}

.debug-panel__search {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--color-surface-elevated, #252525);
  border: 1px solid var(--color-border, #333);
  border-radius: 6px;
  padding: 6px 10px;
}

.debug-panel__search svg {
  color: var(--color-text-secondary, #888);
  flex-shrink: 0;
}

.debug-panel__search-input {
  flex: 1;
  border: none;
  background: transparent;
  color: var(--color-text-primary, #fff);
  font-size: 12px;
  outline: none;
}

.debug-panel__search-input::placeholder {
  color: var(--color-text-secondary, #666);
}

.debug-panel__search-clear {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  border: none;
  background: var(--color-border, #444);
  color: var(--color-text-secondary, #888);
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.15s ease;
}

.debug-panel__search-clear:hover {
  background: var(--color-text-secondary, #666);
  color: var(--color-text-primary, #fff);
}

/* Copy button */
.debug-panel__copy-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border: 1px solid var(--color-border, #444);
  background: var(--color-surface-elevated, #252525);
  color: var(--color-text-secondary, #aaa);
  border-radius: 6px;
  cursor: pointer;
  font-size: 12px;
  transition: all 0.15s ease;
}

.debug-panel__copy-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--color-text-secondary, #666);
  color: var(--color-text-primary, #fff);
}

.debug-panel__copy-btn--copied {
  border-color: #10b981;
  color: #10b981;
  background: rgba(16, 185, 129, 0.1);
}

/* Collapsible sections */
.debug-panel__section {
  margin-bottom: 10px;
  border: 1px solid var(--color-border, #333);
  border-radius: 6px;
  overflow: hidden;
}

.debug-panel__section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: 10px 12px;
  border: none;
  background: var(--color-surface-elevated, #252525);
  color: var(--color-text-primary, #fff);
  cursor: pointer;
  transition: background 0.15s ease;
}

.debug-panel__section-header:hover {
  background: rgba(255, 255, 255, 0.05);
}

.debug-panel__section-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 500;
}

.debug-panel__section-count {
  color: var(--color-text-secondary, #888);
  font-weight: 400;
  font-size: 11px;
}

/* JSON display */
.debug-panel__json {
  margin: 0;
  padding: 12px;
  background: var(--color-surface, #1a1a1a);
  font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  font-size: 11px;
  line-height: 1.5;
  color: #93c5fd;
  white-space: pre-wrap;
  word-break: break-word;
  overflow-x: auto;
  max-height: 200px;
  overflow-y: auto;
}

/* Show all toggle */
.debug-panel__show-all {
  display: block;
  width: 100%;
  padding: 8px;
  border: 1px dashed var(--color-border, #444);
  background: transparent;
  color: var(--color-text-secondary, #888);
  border-radius: 6px;
  cursor: pointer;
  font-size: 12px;
  transition: all 0.15s ease;
}

.debug-panel__show-all:hover {
  border-color: var(--color-accent, #3b82f6);
  color: var(--color-accent, #3b82f6);
}

/* Empty state */
.debug-panel__empty {
  text-align: center;
  padding: 40px 20px;
  color: var(--color-text-secondary, #666);
  font-size: 13px;
}

/* ============================================
   Knowledge Graph Tab Styles
   ============================================ */

.debug-panel__graph {
  position: relative;
  padding: 12px;
}

.debug-panel__graph-stats {
  display: flex;
  gap: 16px;
  margin-bottom: 10px;
  font-size: 11px;
  color: var(--color-text-secondary, #888);
}

.debug-panel__graph-svg {
  width: 100%;
  height: 250px;
  background: var(--color-surface, #1a1a1a);
  border-radius: 6px;
  border: 1px solid var(--color-border, #333);
}

.debug-panel__node-info {
  position: absolute;
  bottom: 60px;
  left: 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: rgba(30, 30, 30, 0.95);
  border: 1px solid var(--color-border, #444);
  border-radius: 6px;
  padding: 10px 14px;
  font-size: 12px;
  max-width: 200px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.debug-panel__node-info strong {
  color: var(--color-text-primary, #fff);
  font-weight: 600;
}

.debug-panel__node-type {
  color: var(--color-accent, #3b82f6);
  font-size: 11px;
  text-transform: capitalize;
}

.debug-panel__node-score {
  color: var(--color-text-secondary, #888);
  font-size: 10px;
}

.debug-panel__graph-hint {
  text-align: center;
  margin-top: 8px;
  font-size: 11px;
  color: var(--color-text-secondary, #666);
}

/* ============================================
   Embeddings Tab Styles
   ============================================ */

.debug-panel__embeddings {
  position: relative;
  padding: 12px;
}

.debug-panel__embeddings-stats {
  display: flex;
  gap: 16px;
  margin-bottom: 10px;
  font-size: 11px;
  color: var(--color-text-secondary, #888);
}

.debug-panel__embeddings-canvas {
  width: 100%;
  height: 200px;
  border-radius: 6px;
  border: 1px solid var(--color-border, #333);
  cursor: crosshair;
}

.debug-panel__point-info {
  position: absolute;
  bottom: 60px;
  left: 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: rgba(30, 30, 30, 0.95);
  border: 1px solid var(--color-border, #444);
  border-radius: 6px;
  padding: 10px 14px;
  font-size: 12px;
  max-width: 200px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  pointer-events: none;
}

.debug-panel__point-info strong {
  color: var(--color-text-primary, #fff);
  font-weight: 600;
}

.debug-panel__point-type {
  color: #8b5cf6;
  font-size: 11px;
  text-transform: capitalize;
}

.debug-panel__point-score {
  color: var(--color-text-secondary, #888);
  font-size: 10px;
}

/* ============================================
   Graph Controls (Zoom, Cluster, Export)
   ============================================ */

.debug-panel__graph-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border, #333);
}

.debug-panel__graph-buttons {
  display: flex;
  gap: 4px;
  align-items: center;
}

.debug-panel__icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 6px 8px;
  border: 1px solid var(--color-border, #444);
  background: var(--color-surface-elevated, #252525);
  color: var(--color-text-secondary, #888);
  border-radius: 4px;
  cursor: pointer;
  font-size: 11px;
  transition: all 0.15s ease;
}

.debug-panel__icon-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--color-text-secondary, #666);
  color: var(--color-text-primary, #fff);
}

.debug-panel__icon-btn--active {
  background: rgba(59, 130, 246, 0.15);
  border-color: var(--color-accent, #3b82f6);
  color: var(--color-accent, #3b82f6);
}

.debug-panel__export-group {
  display: flex;
  gap: 2px;
  margin-left: 8px;
  padding-left: 8px;
  border-left: 1px solid var(--color-border, #333);
}

.debug-panel__zoom-level {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 10px;
  color: var(--color-text-secondary, #666);
  min-width: 40px;
  text-align: right;
}

/* Node close button */
.debug-panel__node-close {
  position: absolute;
  top: 4px;
  right: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border: none;
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-text-secondary, #888);
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.15s ease;
}

.debug-panel__node-close:hover {
  background: rgba(255, 255, 255, 0.2);
  color: var(--color-text-primary, #fff);
}

.debug-panel__node-id {
  color: var(--color-text-secondary, #666);
  font-size: 9px;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  word-break: break-all;
}

/* Graph legend */
.debug-panel__graph-legend {
  position: absolute;
  top: 58px;
  right: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  background: rgba(30, 30, 30, 0.9);
  border: 1px solid var(--color-border, #333);
  border-radius: 4px;
  padding: 6px 10px;
  max-width: 180px;
}

.debug-panel__legend-item {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 9px;
  color: var(--color-text-secondary, #888);
  text-transform: capitalize;
}

.debug-panel__legend-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* ============================================
   Embeddings Controls
   ============================================ */

.debug-panel__embeddings-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border, #333);
}

.debug-panel__embeddings-buttons {
  display: flex;
  gap: 4px;
  align-items: center;
}

.debug-panel__embeddings-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px solid var(--color-border, #333);
}

/* ============================================
   Virtual Scrolling / Load More
   ============================================ */

.debug-panel__load-more {
  text-align: center;
  padding: 12px;
  color: var(--color-text-secondary, #666);
  font-size: 11px;
  background: var(--color-surface-elevated, #252525);
  border-radius: 4px;
  margin-top: 8px;
}

/* ============================================
   Timeline Tab Styles
   ============================================ */

.debug-panel__timeline {
  position: relative;
  padding: 12px;
}

.debug-panel__timeline-stats {
  display: flex;
  gap: 16px;
  margin-bottom: 10px;
  font-size: 11px;
  color: var(--color-text-secondary, #888);
}

.debug-panel__timeline-svg {
  width: 100%;
  height: 200px;
  background: var(--color-surface, #1a1a1a);
  border-radius: 6px;
  border: 1px solid var(--color-border, #333);
}

.debug-panel__timeline-axis text {
  fill: var(--color-text-secondary, #888);
  font-size: 10px;
}

.debug-panel__timeline-axis line,
.debug-panel__timeline-axis path {
  stroke: var(--color-border, #444);
}

/* Event info popup */
.debug-panel__event-info {
  position: absolute;
  bottom: 60px;
  left: 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: rgba(30, 30, 30, 0.95);
  border: 1px solid var(--color-border, #444);
  border-radius: 6px;
  padding: 10px 14px;
  font-size: 12px;
  max-width: 220px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.debug-panel__event-info strong {
  color: var(--color-text-primary, #fff);
  font-weight: 600;
  padding-right: 20px;
}

.debug-panel__event-close {
  position: absolute;
  top: 4px;
  right: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border: none;
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-text-secondary, #888);
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.15s ease;
}

.debug-panel__event-close:hover {
  background: rgba(255, 255, 255, 0.2);
  color: var(--color-text-primary, #fff);
}

.debug-panel__event-date {
  color: var(--color-accent, #3b82f6);
  font-size: 11px;
}

.debug-panel__event-type {
  color: #f59e0b;
  font-size: 11px;
  text-transform: capitalize;
}

.debug-panel__event-desc {
  color: var(--color-text-secondary, #888);
  font-size: 11px;
  margin: 4px 0 0 0;
  line-height: 1.4;
}

/* ============================================
   Scrollbar Styling
   ============================================ */

.debug-panel__content::-webkit-scrollbar,
.debug-panel__json::-webkit-scrollbar {
  width: 6px;
}

.debug-panel__content::-webkit-scrollbar-track,
.debug-panel__json::-webkit-scrollbar-track {
  background: transparent;
}

.debug-panel__content::-webkit-scrollbar-thumb,
.debug-panel__json::-webkit-scrollbar-thumb {
  background: var(--color-border, #444);
  border-radius: 3px;
}

.debug-panel__content::-webkit-scrollbar-thumb:hover,
.debug-panel__json::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-secondary, #666);
}

/* ============================================
   Responsive adjustments
   ============================================ */

@media (max-width: 768px) {
  .debug-panel__tabs {
    overflow-x: auto;
  }
  
  .debug-panel__tab {
    padding: 8px 10px;
    font-size: 11px;
  }
  
  .debug-panel__tab span {
    display: none;
  }
  
  .debug-panel__toolbar {
    flex-wrap: wrap;
  }
  
  .debug-panel__copy-btn span {
    display: none;
  }
}