/* ========================================
 * Memory Module Styles
 * Three-column layout: Hotspots | Graph | Context
 * ======================================== */

/* ========================================
 * Memory View Layout
 * ======================================== */
.memory-view {
  height: 100%;
  min-height: 600px;
  max-height: calc(100vh - 150px);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.memory-view.loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

/* Memory Header with Active Memory Toggle */
.memory-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0;
  margin-bottom: 1rem;
  border-bottom: 1px solid hsl(var(--border));
  flex-shrink: 0;
}

.memory-header-left {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.memory-header-left h2 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.125rem;
  font-weight: 600;
  color: hsl(var(--foreground));
  margin: 0;
}

.memory-header-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Active Memory Controls Container */
.active-memory-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Active Memory Toggle */
.active-memory-toggle {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Active Memory Config */
.active-memory-config {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding-left: 0.75rem;
  border-left: 1px solid hsl(var(--border));
}

.config-item {
  display: flex;
  align-items: center;
  gap: 0.375rem;
}

.config-item label {
  font-size: 0.75rem;
  color: hsl(var(--muted-foreground));
  white-space: nowrap;
}

.config-item select {
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
  color: hsl(var(--foreground));
  background: hsl(var(--background));
  border: 1px solid hsl(var(--border));
  border-radius: 0.25rem;
  cursor: pointer;
  outline: none;
  min-width: 80px;
}

.config-item select:focus {
  border-color: hsl(var(--primary));
}

.config-item select:hover {
  border-color: hsl(var(--primary) / 0.5);
}

/* Active Memory Actions */
.active-memory-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding-left: 0.75rem;
  border-left: 1px solid hsl(var(--border));
}

.last-sync {
  font-size: 0.6875rem;
  color: hsl(var(--muted-foreground));
  white-space: nowrap;
}

.toggle-label {
  font-size: 0.8125rem;
  font-weight: 500;
  color: hsl(var(--muted-foreground));
}

.toggle-switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: hsl(var(--muted));
  border-radius: 24px;
  transition: all 0.3s ease;
}

.toggle-slider::before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  border-radius: 50%;
  transition: all 0.3s ease;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.toggle-switch input:checked + .toggle-slider {
  background-color: hsl(var(--primary));
}

.toggle-switch input:checked + .toggle-slider::before {
  transform: translateX(20px);
}

.toggle-switch input:focus + .toggle-slider {
  box-shadow: 0 0 0 2px hsl(var(--primary) / 0.3);
}

.toggle-status {
  font-size: 0.75rem;
  font-weight: 500;
  color: hsl(var(--muted-foreground));
  padding: 0.25rem 0.5rem;
  border-radius: 0.25rem;
  background: hsl(var(--muted) / 0.5);
}

.toggle-status.active {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  color: hsl(142 76% 36%);
  background: hsl(142 76% 36% / 0.1);
}

/* Auto-sync indicator */
.auto-sync-indicator {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.6875rem;
  color: hsl(var(--primary));
  background: hsl(var(--primary) / 0.1);
  padding: 0.25rem 0.5rem;
  border-radius: 0.25rem;
  white-space: nowrap;
}

.auto-sync-indicator svg {
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* Sync Button */
.btn-sync {
  padding: 0.5rem;
  border-radius: 0.375rem;
  background: hsl(var(--primary) / 0.1);
  border: 1px solid hsl(var(--primary) / 0.3);
  color: hsl(var(--primary));
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-sync:hover {
  background: hsl(var(--primary) / 0.2);
  border-color: hsl(var(--primary));
}

.btn-sync.syncing {
  opacity: 0.7;
  cursor: not-allowed;
}

.btn-sync.syncing i {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.memory-columns {
  display: grid;
  grid-template-columns: 280px 1fr 320px;
  gap: 1.5rem;
  flex: 1;
  min-height: 0;
  max-height: calc(100vh - 230px);
}

.memory-column {
  display: flex;
  flex-direction: column;
  background: hsl(var(--card));
  border: 1px solid hsl(var(--border));
  border-radius: 0.75rem;
  overflow: hidden;
  min-width: 0;
  max-height: 100%;
}

/* Memory Section inside columns */
.memory-section {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.875rem 1rem;
  border-bottom: 1px solid hsl(var(--border));
  background: hsl(var(--muted) / 0.3);
}

.section-header h3 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: hsl(var(--foreground));
  margin: 0;
}

.section-header-left {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.section-header-actions {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

/* Memory Filters */
.memory-filters {
  display: flex;
  gap: 0.25rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid hsl(var(--border));
  background: hsl(var(--muted) / 0.15);
}

.filter-btn {
  padding: 0.375rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 500;
  color: hsl(var(--muted-foreground));
  background: transparent;
  border: 1px solid hsl(var(--border));
  border-radius: 0.375rem;
  cursor: pointer;
  transition: all 0.15s ease;
}

.filter-btn:hover {
  background: hsl(var(--hover));
  color: hsl(var(--foreground));
}

.filter-btn.active {
  background: hsl(var(--primary));
  color: hsl(var(--primary-foreground));
  border-color: hsl(var(--primary));
}

/* Hotspot Lists Container */
.hotspot-lists {
  flex: 1;
  overflow-y: auto;
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  min-height: 0;
}

.hotspot-list-container {
  display: flex;
  flex-direction: column;
}

.hotspot-list-container:last-child {
  margin-bottom: 0;
}

.hotspot-list-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: hsl(var(--muted-foreground));
  margin: 0 0 0.5rem 0;
  padding-bottom: 0.375rem;
  border-bottom: 1px solid hsl(var(--border));
  flex-shrink: 0;
}

/* Hotspot List Items */
.hotspot-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.hotspot-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.625rem 0.75rem;
  background: hsl(var(--background));
  border: 1px solid hsl(var(--border));
  border-radius: 0.5rem;
  cursor: pointer;
  transition: all 0.15s ease;
}

.hotspot-item:hover {
  background: hsl(var(--hover));
  border-color: hsl(var(--primary) / 0.3);
}

.hotspot-rank {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  font-size: 0.6875rem;
  font-weight: 700;
  color: hsl(var(--muted-foreground));
  background: hsl(var(--muted));
  border-radius: 0.25rem;
  flex-shrink: 0;
}

.hotspot-info {
  flex: 1;
  min-width: 0;
}

.hotspot-name {
  font-size: 0.8125rem;
  font-weight: 500;
  color: hsl(var(--foreground));
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.hotspot-path {
  font-size: 0.6875rem;
  color: hsl(var(--muted-foreground));
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin-top: 0.125rem;
}

.hotspot-heat {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  flex-shrink: 0;
}

.hotspot-heat .heat-badge {
  padding: 0.25rem 0.5rem;
  font-size: 0.6875rem;
  font-weight: 600;
  border-radius: 0.25rem;
}

.hotspot-heat.high .heat-badge {
  background: hsl(0 84% 92%);
  color: hsl(0 84% 40%);
}

.hotspot-heat.medium .heat-badge {
  background: hsl(38 92% 90%);
  color: hsl(38 92% 30%);
}

.hotspot-heat.low .heat-badge {
  background: hsl(142 71% 90%);
  color: hsl(142 71% 30%);
}

.hotspot-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  text-align: center;
  color: hsl(var(--muted-foreground));
}

.hotspot-empty i {
  margin-bottom: 0.5rem;
  opacity: 0.5;
}

.hotspot-empty p {
  margin: 0;
  font-size: 0.8125rem;
}

/* Graph Legend */
.graph-legend {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.5rem 1rem;
  border-top: 1px solid hsl(var(--border));
  background: hsl(var(--muted) / 0.15);
  font-size: 0.6875rem;
  color: hsl(var(--muted-foreground));
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.375rem;
}

.legend-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.legend-dot.file { background: hsl(var(--primary)); }
.legend-dot.module { background: hsl(var(--muted-foreground)); border: 1px dashed hsl(var(--muted-foreground)); }
.legend-dot.component { background: hsl(142 76% 36%); }

/* Graph Container */
.graph-container,
.memory-graph-container {
  flex: 1;
  position: relative;
  background: hsl(var(--background));
  min-height: 300px;
  max-height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.memory-graph-container svg {
  width: 100%;
  height: 100%;
}

/* Memory Graph Legend */
.memory-graph-legend {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.5rem 1rem;
  border-top: 1px solid hsl(var(--border));
  background: hsl(var(--muted) / 0.15);
  font-size: 0.6875rem;
  color: hsl(var(--muted-foreground));
}

/* Graph Empty State */
.graph-empty-state,
.graph-error {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  text-align: center;
  color: hsl(var(--muted-foreground));
}

.graph-empty-state i,
.graph-error i {
  margin-bottom: 0.75rem;
  opacity: 0.5;
}

.graph-empty-state p,
.graph-error p {
  margin: 0;
  font-size: 0.875rem;
}

/* Section Count Badge */
.section-count {
  font-size: 0.6875rem;
  color: hsl(var(--muted-foreground));
  margin-left: 0.5rem;
}

/* Graph Edge Styles */
.graph-edge {
  stroke: hsl(var(--border));
  stroke-opacity: 0.6;
}

/* Graph Node Styles */
.graph-node {
  cursor: pointer;
  transition: all 0.2s ease;
}

.graph-node.file {
  fill: hsl(var(--primary));
}

.graph-node.module {
  fill: hsl(var(--muted-foreground));
}

.graph-node.component {
  fill: hsl(var(--success));
}

.graph-node-label {
  font-size: 10px;
  fill: hsl(var(--foreground));
  pointer-events: none;
}

/* Context Search */
.context-search {
  position: relative;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid hsl(var(--border));
}

.context-search input,
.context-search-input {
  width: 100%;
  padding: 0.5rem 0.75rem 0.5rem 2rem;
  font-size: 0.8125rem;
  color: hsl(var(--foreground));
  background: hsl(var(--background));
  border: 1px solid hsl(var(--border));
  border-radius: 0.375rem;
  outline: none;
  transition: border-color 0.15s ease;
}

.context-search input:focus,
.context-search-input:focus {
  border-color: hsl(var(--primary));
}

.context-search input::placeholder,
.context-search-input::placeholder {
  color: hsl(var(--muted-foreground));
}

.context-search .search-icon {
  position: absolute;
  left: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
  color: hsl(var(--muted-foreground));
  pointer-events: none;
}

/* Context Empty State */
.context-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  text-align: center;
  color: hsl(var(--muted-foreground));
}

.context-empty i {
  margin-bottom: 0.75rem;
  opacity: 0.5;
}

.context-empty p {
  margin: 0;
  font-size: 0.875rem;
}

/* Context Timeline */
.context-timeline {
  flex: 1;
  overflow-y: auto;
  padding: 0.75rem;
  min-height: 0;
}

/* Context Timeline Card Style */
.timeline-item {
  display: flex;
  gap: 0.75rem;
  padding: 0.75rem;
  margin-bottom: 0.5rem;
  background: hsl(var(--background));
  border: 1px solid hsl(var(--border));
  border-radius: 0.5rem;
  transition: all 0.15s ease;
  cursor: pointer;
  min-height: 60px;
  max-height: 120px;
  overflow: hidden;
}

.timeline-item:hover {
  border-color: hsl(var(--primary) / 0.3);
  background: hsl(var(--hover));
}

.timeline-item.expanded {
  max-height: none;
  background: hsl(var(--muted) / 0.3);
  border-color: hsl(var(--primary) / 0.5);
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 0.375rem;
  flex-shrink: 0;
}

.timeline-icon.read {
  background: hsl(var(--primary-light));
  color: hsl(var(--primary));
}

.timeline-icon.edit {
  background: hsl(var(--warning-light));
  color: hsl(var(--warning));
}

.timeline-icon.prompt,
.timeline-icon.unknown {
  background: hsl(var(--muted));
  color: hsl(var(--muted-foreground));
}

.timeline-content {
  flex: 1;
  min-width: 0;
}

.timeline-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.25rem;
}

.timeline-type {
  font-size: 0.75rem;
  font-weight: 600;
  color: hsl(var(--foreground));
}

.timeline-time {
  font-size: 0.6875rem;
  color: hsl(var(--muted-foreground));
}

.timeline-prompt {
  font-size: 0.8125rem;
  color: hsl(var(--foreground));
  line-height: 1.4;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.timeline-files {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
  margin-top: 0.5rem;
}

.file-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.125rem 0.5rem;
  font-size: 0.6875rem;
  background: hsl(var(--muted));
  color: hsl(var(--foreground));
  border-radius: 0.25rem;
  cursor: pointer;
  transition: all 0.15s ease;
}

.file-tag:hover {
  background: hsl(var(--primary-light));
  color: hsl(var(--primary));
}

.file-tag.more {
  background: hsl(var(--muted));
  color: hsl(var(--muted-foreground));
  cursor: default;
}

/* Context List */
.context-list {
  flex: 1;
  overflow-y: auto;
  padding: 0.75rem;
}

.context-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.75rem;
  margin-bottom: 0.5rem;
  background: hsl(var(--background));
  border: 1px solid hsl(var(--border));
  border-radius: 0.5rem;
  cursor: pointer;
  transition: all 0.15s ease;
}

.context-item:hover {
  background: hsl(var(--hover));
  border-color: hsl(var(--primary) / 0.3);
}

.context-item:last-child {
  margin-bottom: 0;
}

.context-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 0.375rem;
  background: hsl(var(--muted));
  color: hsl(var(--muted-foreground));
  flex-shrink: 0;
}

.context-icon.read { background: hsl(var(--primary-light)); color: hsl(var(--primary)); }
.context-icon.edit { background: hsl(var(--warning-light)); color: hsl(var(--warning)); }
.context-icon.prompt { background: hsl(var(--success-light)); color: hsl(var(--success)); }

.context-info {
  flex: 1;
  min-width: 0;
}

.context-file {
  font-size: 0.8125rem;
  font-weight: 500;
  color: hsl(var(--foreground));
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.context-time {
  font-size: 0.6875rem;
  color: hsl(var(--muted-foreground));
  margin-top: 0.125rem;
}

/* Context Stats Footer */
.context-stats {
  display: flex;
  justify-content: space-around;
  padding: 0.75rem;
  border-top: 1px solid hsl(var(--border));
  background: hsl(var(--muted) / 0.15);
}

.context-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}

.context-stat-value {
  font-size: 1.125rem;
  font-weight: 700;
  color: hsl(var(--primary));
}

.context-stat-label {
  font-size: 0.625rem;
  color: hsl(var(--muted-foreground));
  text-transform: uppercase;
}

@media (max-width: 1400px) {
  .memory-columns {
    grid-template-columns: 260px 1fr 280px;
    gap: 1rem;
  }
}

@media (max-width: 1024px) {
  .memory-columns {
    grid-template-columns: 1fr;
    gap: 1rem;
    max-height: none;
    overflow-y: auto;
  }

  .memory-column {
    max-height: 500px;
  }
}

/* ========================================
 * Hotspot List (Left Column)
 * ======================================== */
.memory-hotspots {
  display: flex;
  flex-direction: column;
  background: hsl(var(--card));
  border: 1px solid hsl(var(--border));
  border-radius: 0.75rem;
  overflow: hidden;
  max-height: 100%;
}

.hotspots-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.875rem 1rem;
  border-bottom: 1px solid hsl(var(--border));
  background: hsl(var(--muted) / 0.3);
}

.hotspots-header h3 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: hsl(var(--foreground));
  margin: 0;
}

.hotspots-header h3 i {
  color: hsl(var(--muted-foreground));
}

.hotspot-list {
  flex: 1;
  overflow-y: auto;
  padding: 0.5rem;
  min-height: 0;
}

.hotspot-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem;
  margin-bottom: 0.375rem;
  background: hsl(var(--background));
  border: 1px solid hsl(var(--border));
  border-radius: 0.5rem;
  cursor: pointer;
  transition: all 0.15s ease;
}

.hotspot-item:last-child {
  margin-bottom: 0;
}

.hotspot-item:hover {
  background: hsl(var(--hover));
  border-color: hsl(var(--primary) / 0.3);
  box-shadow: 0 2px 8px hsl(var(--foreground) / 0.05);
}

.hotspot-item-left {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  flex: 1;
  min-width: 0;
}

.hotspot-name {
  font-size: 0.8125rem;
  font-weight: 600;
  color: hsl(var(--foreground));
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.hotspot-path {
  font-size: 0.6875rem;
  font-family: var(--font-mono);
  color: hsl(var(--muted-foreground));
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.hotspot-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.625rem;
  color: hsl(var(--muted-foreground));
  margin-top: 0.125rem;
}

.hotspot-meta i {
  width: 12px;
}

/* Heat Badge */
.heat-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 3rem;
  padding: 0.375rem 0.5rem;
  border-radius: 0.375rem;
  font-size: 0.75rem;
  font-weight: 600;
  flex-shrink: 0;
  transition: transform 0.15s ease;
}

.hotspot-item:hover .heat-badge {
  transform: scale(1.05);
}

.heat-high {
  background: linear-gradient(135deg, hsl(0 84% 60% / 0.2), hsl(0 84% 60% / 0.12));
  color: hsl(0 84% 45%);
  border: 1px solid hsl(0 84% 60% / 0.3);
}

.heat-medium {
  background: linear-gradient(135deg, hsl(38 92% 50% / 0.2), hsl(38 92% 50% / 0.12));
  color: hsl(38 92% 35%);
  border: 1px solid hsl(38 92% 50% / 0.3);
}

.heat-low {
  background: linear-gradient(135deg, hsl(142 76% 36% / 0.2), hsl(142 76% 36% / 0.12));
  color: hsl(142 76% 30%);
  border: 1px solid hsl(142 76% 36% / 0.3);
}

/* ========================================
 * Memory Graph (Center Column - D3 SVG)
 * ======================================== */
.memory-graph-container {
  display: flex;
  flex-direction: column;
  background: hsl(var(--card));
  border: 1px solid hsl(var(--border));
  border-radius: 0.75rem;
  overflow: hidden;
  max-height: 100%;
}

.graph-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.875rem 1rem;
  border-bottom: 1px solid hsl(var(--border));
  background: hsl(var(--muted) / 0.3);
}

.graph-header h3 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: hsl(var(--foreground));
  margin: 0;
}

.graph-header h3 i {
  color: hsl(var(--muted-foreground));
}

.graph-controls {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.memory-graph {
  flex: 1;
  position: relative;
  background: hsl(var(--background));
  min-height: 300px;
  max-height: 100%;
  overflow: hidden;
}

/* D3 Graph Elements */
.graph-node {
  cursor: pointer;
  transition: all 0.2s ease;
}

.graph-node:hover {
  filter: brightness(1.1);
}

.graph-node-file circle {
  fill: hsl(var(--primary));
  stroke: hsl(var(--primary));
  stroke-width: 2;
}

.graph-node-file.hot circle {
  fill: hsl(0 84% 60%);
  stroke: hsl(0 84% 60%);
  animation: nodePulse 2s infinite;
}

.graph-node-file.warm circle {
  fill: hsl(38 92% 50%);
  stroke: hsl(38 92% 50%);
}

.graph-node-file.cool circle {
  fill: hsl(142 76% 36%);
  stroke: hsl(142 76% 36%);
}

.graph-node-module circle {
  fill: hsl(var(--muted));
  stroke: hsl(var(--muted-foreground));
  stroke-width: 2;
  stroke-dasharray: 4 2;
}

.graph-node text {
  font-family: var(--font-sans);
  font-size: 11px;
  fill: hsl(var(--foreground));
  pointer-events: none;
  user-select: none;
}

.graph-link {
  stroke: hsl(var(--border));
  stroke-width: 1.5;
  fill: none;
  opacity: 0.6;
  transition: all 0.2s ease;
}

.graph-link.strong {
  stroke: hsl(var(--primary));
  stroke-width: 2;
  opacity: 0.8;
}

.graph-link:hover {
  stroke: hsl(var(--primary));
  opacity: 1;
}

/* Graph Tooltip */
.graph-tooltip {
  position: absolute;
  padding: 0.5rem 0.75rem;
  background: hsl(var(--card));
  border: 1px solid hsl(var(--border));
  border-radius: 0.375rem;
  font-size: 0.75rem;
  color: hsl(var(--foreground));
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s ease;
  box-shadow: 0 4px 12px hsl(var(--foreground) / 0.15);
  z-index: 100;
  max-width: 200px;
}

.graph-tooltip.visible {
  opacity: 1;
}

.tooltip-title {
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.tooltip-meta {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
  font-size: 0.6875rem;
  color: hsl(var(--muted-foreground));
}

/* Node Pulse Animation */
@keyframes nodePulse {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.7;
    transform: scale(1.1);
  }
}

/* Graph Zoom/Pan Styles */
.memory-graph-svg {
  cursor: grab;
}

.memory-graph-svg:active {
  cursor: grabbing;
}

.graph-content {
  transition: transform 0.1s ease-out;
}

/* Graph Node Groups */
.graph-node-group {
  cursor: pointer;
}

.graph-node-group:hover circle {
  filter: brightness(1.2);
}

.graph-node-group.file circle {
  fill: hsl(var(--primary));
  stroke: hsl(var(--primary));
  stroke-width: 2;
}

.graph-node-group.module circle {
  fill: hsl(var(--muted));
  stroke: hsl(var(--muted-foreground));
  stroke-width: 2;
  stroke-dasharray: 4 2;
}

.graph-node-group.component circle {
  fill: hsl(142 76% 36%);
  stroke: hsl(142 76% 36%);
  stroke-width: 2;
}

/* Individual graph-node circles (for legacy support) */
.graph-node.file {
  fill: hsl(var(--primary));
  stroke: hsl(var(--primary));
  stroke-width: 2;
}

.graph-node.module {
  fill: hsl(var(--muted));
  stroke: hsl(var(--muted-foreground));
  stroke-width: 2;
  stroke-dasharray: 4 2;
}

.graph-node.component {
  fill: hsl(142 76% 36%);
  stroke: hsl(142 76% 36%);
  stroke-width: 2;
}

/* Selected Node */
.graph-node.selected {
  stroke: hsl(var(--foreground));
  stroke-width: 3;
  filter: drop-shadow(0 0 8px hsl(var(--primary)));
}

/* Graph Labels */
.graph-label {
  font-family: var(--font-sans);
  font-size: 11px;
  fill: hsl(var(--foreground));
  pointer-events: none;
  user-select: none;
  text-shadow:
    1px 1px 2px hsl(var(--background)),
    -1px -1px 2px hsl(var(--background)),
    1px -1px 2px hsl(var(--background)),
    -1px 1px 2px hsl(var(--background));
}

/* Graph Controls */
.graph-controls {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.graph-controls .btn-icon {
  padding: 0.375rem;
  border-radius: 0.375rem;
  background: transparent;
  border: 1px solid transparent;
  color: hsl(var(--muted-foreground));
  cursor: pointer;
  transition: all 0.15s ease;
}

.graph-controls .btn-icon:hover {
  background: hsl(var(--muted));
  border-color: hsl(var(--border));
  color: hsl(var(--foreground));
}

/* ========================================
 * Context Timeline (Right Column)
 * ======================================== */
.memory-context {
  display: flex;
  flex-direction: column;
  background: hsl(var(--card));
  border: 1px solid hsl(var(--border));
  border-radius: 0.75rem;
  overflow: hidden;
  max-height: 100%;
}

.context-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.875rem 1rem;
  border-bottom: 1px solid hsl(var(--border));
  background: hsl(var(--muted) / 0.3);
}

.context-header h3 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: hsl(var(--foreground));
  margin: 0;
}

.context-header h3 i {
  color: hsl(var(--muted-foreground));
}

.context-timeline {
  flex: 1;
  overflow-y: auto;
  padding: 0.75rem;
  min-height: 0;
}

/* Timeline item styles moved to Context Timeline Card Style section (line ~445) */

.timeline-timestamp {
  font-size: 0.6875rem;
  color: hsl(var(--muted-foreground));
  margin-bottom: 0.25rem;
}

.timeline-action {
  font-size: 0.8125rem;
  color: hsl(var(--foreground));
  margin-bottom: 0.375rem;
  line-height: 1.4;
}

.timeline-detail {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: hsl(var(--muted-foreground));
  background: hsl(var(--muted) / 0.3);
  padding: 0.375rem 0.5rem;
  border-radius: 0.25rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

@keyframes timelinePulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

/* ========================================
 * Prompt History View
 * ======================================== */
.prompt-history-view {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1rem;
}

.prompt-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.prompt-item {
  background: hsl(var(--card));
  border: 1px solid hsl(var(--border));
  border-radius: 0.5rem;
  overflow: hidden;
  transition: all 0.2s ease;
}

.prompt-item:hover {
  border-color: hsl(var(--primary) / 0.3);
  box-shadow: 0 2px 8px hsl(var(--foreground) / 0.05);
}

.prompt-item-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  background: hsl(var(--muted) / 0.2);
  cursor: pointer;
}

.prompt-item-info {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  flex: 1;
}

.prompt-item-time {
  font-size: 0.75rem;
  font-weight: 600;
  color: hsl(var(--foreground));
}

.prompt-item-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.6875rem;
  color: hsl(var(--muted-foreground));
}

.prompt-preview {
  padding: 0.75rem 1rem;
  font-size: 0.8125rem;
  color: hsl(var(--foreground));
  line-height: 1.5;
  max-height: 4.5em;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
}

.prompt-full {
  display: none;
  padding: 0.75rem 1rem;
  font-size: 0.8125rem;
  font-family: var(--font-mono);
  color: hsl(var(--foreground));
  background: hsl(var(--muted) / 0.3);
  border-top: 1px solid hsl(var(--border));
  max-height: 300px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-wrap: break-word;
  line-height: 1.6;
}

.prompt-item-expanded .prompt-preview {
  display: none;
}

.prompt-item-expanded .prompt-full {
  display: block;
}

/* ========================================
 * Insights Panel
 * ======================================== */
.insights-panel {
  background: hsl(var(--card));
  border: 1px solid hsl(var(--border));
  border-radius: 0.75rem;
  padding: 1rem;
}

.insights-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid hsl(var(--border));
}

.insights-header h3 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9375rem;
  font-weight: 600;
  color: hsl(var(--foreground));
  margin: 0;
}

.insights-header h3 i {
  color: hsl(var(--primary));
}

.insights-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 0.75rem;
}

.pattern-card {
  padding: 0.875rem;
  background: hsl(var(--background));
  border: 1px solid hsl(var(--border));
  border-left: 3px solid hsl(var(--primary));
  border-radius: 0.5rem;
  transition: all 0.15s ease;
}

.pattern-card:hover {
  background: hsl(var(--hover));
  border-left-color: hsl(var(--primary));
  box-shadow: 0 2px 8px hsl(var(--foreground) / 0.05);
}

.pattern-type {
  font-size: 0.6875rem;
  font-weight: 600;
  color: hsl(var(--primary));
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.5rem;
}

.pattern-suggestion {
  font-size: 0.8125rem;
  color: hsl(var(--foreground));
  margin-bottom: 0.625rem;
  line-height: 1.5;
}

.suggestion-example {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: hsl(var(--muted-foreground));
  background: hsl(var(--muted) / 0.5);
  padding: 0.5rem;
  border-radius: 0.25rem;
  overflow-x: auto;
  white-space: pre;
}

/* ========================================
 * Stats Summary
 * ======================================== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.stat-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  background: hsl(var(--card));
  border: 1px solid hsl(var(--border));
  border-radius: 0.5rem;
  text-align: center;
  transition: all 0.2s ease;
}

.stat-card:hover {
  border-color: hsl(var(--primary) / 0.3);
  box-shadow: 0 2px 8px hsl(var(--foreground) / 0.05);
}

.stat-value {
  font-size: 1.875rem;
  font-weight: 700;
  color: hsl(var(--primary));
  margin-bottom: 0.25rem;
  line-height: 1;
}

.stat-label {
  font-size: 0.75rem;
  font-weight: 500;
  color: hsl(var(--muted-foreground));
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stat-trend {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.6875rem;
  color: hsl(var(--muted-foreground));
  margin-top: 0.375rem;
}

.stat-trend.up {
  color: hsl(142 76% 36%);
}

.stat-trend.down {
  color: hsl(0 84% 60%);
}

.stat-trend i {
  font-size: 0.75rem;
}

/* ========================================
 * Animations
 * ======================================== */

/* Fade in for new items */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.timeline-item,
.hotspot-item,
.pattern-card {
  animation: fadeIn 0.3s ease;
}

/* ========================================
 * Empty States
 * ======================================== */
.memory-empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem 2rem;
  text-align: center;
  color: hsl(var(--muted-foreground));
}

.memory-empty-state i {
  font-size: 3rem;
  opacity: 0.3;
  margin-bottom: 1rem;
}

.memory-empty-state h3 {
  font-size: 1rem;
  font-weight: 600;
  color: hsl(var(--foreground));
  margin-bottom: 0.5rem;
}

.memory-empty-state p {
  font-size: 0.875rem;
  max-width: 300px;
}

/* ========================================
 * Insights History Cards
 * ======================================== */
.memory-insights-section {
  margin-top: 1.5rem;
}

.insights-section {
  background: hsl(var(--card));
  border: 1px solid hsl(var(--border));
  border-radius: 0.75rem;
  overflow: hidden;
}

.insights-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.875rem 1rem;
  border-bottom: 1px solid hsl(var(--border));
  background: hsl(var(--muted) / 0.3);
}

.insights-section-header h3 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: hsl(var(--foreground));
  margin: 0;
}

.insights-section-header h3 i {
  color: hsl(var(--primary));
}

.insights-section-header .section-count {
  font-size: 0.6875rem;
  font-weight: 500;
  color: hsl(var(--muted-foreground));
  background: hsl(var(--muted));
  padding: 0.125rem 0.5rem;
  border-radius: 0.75rem;
  margin-left: 0.5rem;
}

.insights-section-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Insights Cards Container */
.insights-cards-container {
  padding: 1rem;
}

.insights-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 0.75rem;
}

/* Individual Insight Card */
.insight-card {
  display: flex;
  flex-direction: column;
  padding: 0.875rem;
  background: hsl(var(--background));
  border: 1px solid hsl(var(--border));
  border-radius: 0.5rem;
  cursor: pointer;
  transition: all 0.2s ease;
  border-left: 3px solid hsl(var(--border));
}

.insight-card:hover {
  background: hsl(var(--hover));
  border-color: hsl(var(--primary) / 0.3);
  box-shadow: 0 2px 8px hsl(var(--foreground) / 0.08);
  transform: translateY(-1px);
}

/* Severity-based colors */
.insight-card.high {
  border-left-color: hsl(0 84% 60%);
}

.insight-card.high:hover {
  border-left-color: hsl(0 84% 50%);
}

.insight-card.medium {
  border-left-color: hsl(38 92% 50%);
}

.insight-card.medium:hover {
  border-left-color: hsl(38 92% 45%);
}

.insight-card.low {
  border-left-color: hsl(142 76% 36%);
}

.insight-card.low:hover {
  border-left-color: hsl(142 76% 30%);
}

/* Insight Card Header */
.insight-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.625rem;
}

.insight-card-tool {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: hsl(var(--foreground));
}

.insight-card-tool i {
  color: hsl(var(--primary));
  font-size: 0.875rem;
}

.insight-card-time {
  font-size: 0.6875rem;
  color: hsl(var(--muted-foreground));
}

/* Insight Card Stats */
.insight-card-stats {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.625rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid hsl(var(--border));
}

.insight-stat {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.6875rem;
  color: hsl(var(--muted-foreground));
}

.insight-stat i {
  font-size: 0.75rem;
}

.insight-stat span {
  font-weight: 500;
}

/* Insight Card Preview */
.insight-card-preview {
  font-size: 0.8125rem;
  color: hsl(var(--foreground));
  line-height: 1.5;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
}

.insight-card-preview .preview-item {
  display: flex;
  align-items: flex-start;
  gap: 0.375rem;
  margin-bottom: 0.25rem;
}

.insight-card-preview .preview-item i {
  color: hsl(var(--primary));
  font-size: 0.6875rem;
  margin-top: 0.25rem;
  flex-shrink: 0;
}

.insight-card-preview .preview-text {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Insight Detail Panel */
.insight-detail-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: 480px;
  max-width: 100vw;
  height: 100vh;
  background: hsl(var(--card));
  border-left: 1px solid hsl(var(--border));
  box-shadow: -4px 0 24px hsl(var(--foreground) / 0.1);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  animation: slideInRight 0.3s ease;
}

@keyframes slideInRight {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.insight-detail {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.insight-detail-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid hsl(var(--border));
  background: hsl(var(--muted) / 0.3);
}

.insight-detail-header h3 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1rem;
  font-weight: 600;
  color: hsl(var(--foreground));
  margin: 0;
}

.insight-detail-header h3 i {
  color: hsl(var(--primary));
}

.insight-detail-close {
  padding: 0.5rem;
  background: transparent;
  border: none;
  color: hsl(var(--muted-foreground));
  cursor: pointer;
  border-radius: 0.375rem;
  transition: all 0.15s ease;
}

.insight-detail-close:hover {
  background: hsl(var(--muted));
  color: hsl(var(--foreground));
}

.insight-detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid hsl(var(--border));
  background: hsl(var(--background));
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.75rem;
  color: hsl(var(--muted-foreground));
}

.meta-item i {
  color: hsl(var(--primary));
  font-size: 0.875rem;
}

.meta-item span {
  font-weight: 500;
  color: hsl(var(--foreground));
}

.insight-detail-content {
  flex: 1;
  overflow-y: auto;
  padding: 1.25rem;
}

.insight-detail-section {
  margin-bottom: 1.5rem;
}

.insight-detail-section:last-child {
  margin-bottom: 0;
}

.insight-detail-section h4 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: hsl(var(--foreground));
  margin: 0 0 0.75rem 0;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid hsl(var(--border));
}

.insight-detail-section h4 i {
  color: hsl(var(--primary));
}

/* Pattern and Suggestion Items */
.pattern-item,
.suggestion-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.75rem;
  background: hsl(var(--background));
  border: 1px solid hsl(var(--border));
  border-radius: 0.5rem;
  margin-bottom: 0.5rem;
  transition: all 0.15s ease;
}

.pattern-item:hover,
.suggestion-item:hover {
  background: hsl(var(--hover));
  border-color: hsl(var(--primary) / 0.3);
}

.pattern-item:last-child,
.suggestion-item:last-child {
  margin-bottom: 0;
}

.item-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 0.375rem;
  flex-shrink: 0;
}

.pattern-item .item-icon {
  background: hsl(var(--primary) / 0.1);
  color: hsl(var(--primary));
}

.suggestion-item .item-icon {
  background: hsl(142 76% 36% / 0.1);
  color: hsl(142 76% 36%);
}

.item-content {
  flex: 1;
  min-width: 0;
}

.item-title {
  font-size: 0.8125rem;
  font-weight: 500;
  color: hsl(var(--foreground));
  margin-bottom: 0.25rem;
}

.item-description {
  font-size: 0.75rem;
  color: hsl(var(--muted-foreground));
  line-height: 1.5;
}

.item-example {
  margin-top: 0.5rem;
  padding: 0.5rem;
  background: hsl(var(--muted) / 0.5);
  border-radius: 0.25rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: hsl(var(--foreground));
  overflow-x: auto;
  white-space: pre-wrap;
  word-wrap: break-word;
}

/* Detail Actions */
.insight-detail-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.5rem;
  padding: 1rem 1.25rem;
  border-top: 1px solid hsl(var(--border));
  background: hsl(var(--muted) / 0.2);
}

.insight-detail-actions button {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.5rem 1rem;
  font-size: 0.8125rem;
  font-weight: 500;
  border-radius: 0.375rem;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-delete-insight {
  background: hsl(0 84% 60% / 0.1);
  border: 1px solid hsl(0 84% 60% / 0.3);
  color: hsl(0 84% 60%);
}

.btn-delete-insight:hover {
  background: hsl(0 84% 60% / 0.2);
  border-color: hsl(0 84% 60%);
}

.btn-close-insight {
  background: hsl(var(--muted));
  border: 1px solid hsl(var(--border));
  color: hsl(var(--foreground));
}

.btn-close-insight:hover {
  background: hsl(var(--hover));
  border-color: hsl(var(--primary) / 0.3);
}

/* Empty Insights State */
.insights-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  text-align: center;
  color: hsl(var(--muted-foreground));
}

.insights-empty i {
  font-size: 2.5rem;
  opacity: 0.3;
  margin-bottom: 0.75rem;
}

.insights-empty p {
  font-size: 0.875rem;
  margin: 0;
}

/* ========================================
 * Responsive Adjustments
 * ======================================== */
@media (max-width: 768px) {
  .memory-view {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .insights-grid {
    grid-template-columns: 1fr;
  }

  .insights-cards {
    grid-template-columns: 1fr;
  }

  .insight-detail-panel {
    width: 100%;
  }
}