/* AllScience — Literature Map */

/* ── Existing styles (themes/timeline/network list views) ─────────── */

.map-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
}

.map-header h1 { font-size: 1.5rem; margin: 0; }

.map-tabs { display: flex; gap: 0.5rem; }

.map-tab {
  padding: 0.5rem 1rem;
  background: var(--color-bg-secondary, #111827);
  border: 1px solid var(--color-border, #1e293b);
  border-radius: 6px;
  color: var(--color-text-muted, #8896ab);
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
}

.map-tab:hover { border-color: var(--color-primary, #3b82f6); color: var(--color-text, #e2e8f0); }

.map-tab.active {
  background: rgba(59, 130, 246, 0.12);
  border-color: var(--color-primary, #3b82f6);
  color: var(--color-primary, #3b82f6);
}

.map-canvas {
  min-height: 500px;
  background: var(--color-bg-secondary, #111827);
  border: 1px solid var(--color-border, #1e293b);
  border-radius: 10px;
  padding: 2rem;
  margin-bottom: 3rem;
}

/* Theme clusters */
.theme-cluster {
  margin-bottom: 1.5rem;
  padding: 1.25rem;
  background: var(--color-bg, #0a0e17);
  border: 1px solid var(--color-border, #1e293b);
  border-radius: 8px;
}

.theme-label {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.theme-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}

.theme-keywords {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
  margin-bottom: 0.75rem;
}

.theme-keyword {
  padding: 0.125rem 0.5rem;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 100px;
  font-size: 0.6875rem;
  color: #93bbfc;
}

.theme-sources {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.theme-source-item {
  font-size: 0.8125rem;
  color: var(--color-text-muted, #8896ab);
  padding: 0.375rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

/* Timeline */
.timeline {
  position: relative;
  padding-left: 2rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-border, #1e293b);
}

.timeline-year {
  position: relative;
  margin-bottom: 1.5rem;
}

.timeline-year-label {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-primary, #3b82f6);
  margin-bottom: 0.75rem;
  position: relative;
}

.timeline-year-label::before {
  content: '';
  position: absolute;
  left: -2rem;
  top: 50%;
  transform: translateY(-50%);
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-primary, #3b82f6);
  border: 2px solid var(--color-bg, #0a0e17);
}

.timeline-item {
  padding: 0.75rem 1rem;
  background: var(--color-bg, #0a0e17);
  border: 1px solid var(--color-border, #1e293b);
  border-radius: 6px;
  margin-bottom: 0.5rem;
}

.timeline-item-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text, #e2e8f0);
}

.timeline-item-meta {
  font-size: 0.75rem;
  color: var(--color-text-dim, #5a6a80);
  margin-top: 0.25rem;
}

/* Theme strength bar */
.theme-strength {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.theme-strength-bar {
  flex: 1;
  height: 4px;
  background: var(--color-border, #1e293b);
  border-radius: 2px;
  overflow: hidden;
}

.theme-strength-fill {
  height: 100%;
  border-radius: 2px;
  transition: width 0.3s ease;
}

.theme-strength-label {
  font-size: 0.6875rem;
  color: var(--color-text-dim, #5a6a80);
  white-space: nowrap;
}

.theme-overview {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
  font-size: 0.8125rem;
  color: var(--color-text-muted, #8896ab);
  padding: 0.75rem 1rem;
  background: var(--color-bg, #0a0e17);
  border: 1px solid var(--color-border, #1e293b);
  border-radius: 8px;
}

.theme-source-title { font-weight: 500; }
.theme-source-year {
  font-size: 0.6875rem;
  color: var(--color-primary, #3b82f6);
  margin-left: 0.5rem;
}
.theme-source-authors {
  display: block;
  font-size: 0.6875rem;
  color: var(--color-text-dim, #5a6a80);
  margin-top: 0.125rem;
}

/* Timeline bar chart */
.timeline-chart {
  display: flex;
  align-items: flex-end;
  gap: 0.5rem;
  height: 120px;
  padding: 0.75rem 1rem;
  margin-bottom: 1.5rem;
  background: var(--color-bg, #0a0e17);
  border: 1px solid var(--color-border, #1e293b);
  border-radius: 8px;
}

.timeline-chart-bar-wrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
  justify-content: flex-end;
  min-width: 0;
}

.timeline-chart-bar {
  width: 80%;
  max-width: 40px;
  min-height: 4px;
  background: var(--color-primary, #3b82f6);
  border-radius: 3px 3px 0 0;
  transition: height 0.3s ease;
}

.timeline-chart-label {
  font-size: 0.625rem;
  color: var(--color-text-dim, #5a6a80);
  margin-top: 0.375rem;
  white-space: nowrap;
}

.timeline-chart-count {
  font-size: 0.5625rem;
  color: var(--color-text-muted, #8896ab);
  font-weight: 600;
}

.timeline-summary {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 1.25rem;
  font-size: 0.8125rem;
  color: var(--color-text-muted, #8896ab);
}

.timeline-year-count {
  font-size: 0.75rem;
  color: var(--color-text-dim, #5a6a80);
  font-weight: 400;
}

.timeline-item-themes {
  display: flex;
  gap: 0.25rem;
  margin-top: 0.375rem;
}

.timeline-theme-tag {
  font-size: 0.625rem;
  padding: 0.0625rem 0.375rem;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 100px;
  color: #93bbfc;
}

/* Node tooltip enhancement */
.node-tooltip {
  display: none;
  position: absolute;
  background: var(--color-bg-secondary, #111827);
  border: 1px solid var(--color-border, #1e293b);
  border-radius: 6px;
  padding: 0.5rem 0.75rem;
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
  z-index: 50;
  pointer-events: none;
}

.tt-title { font-size: 0.8125rem; font-weight: 600; color: var(--color-text, #e2e8f0); }
.tt-meta { font-size: 0.6875rem; color: var(--color-text-dim, #5a6a80); margin-top: 0.125rem; }

/* Network SVG (legacy) */
.network-svg { display: block; margin: 0 auto; }
.network-svg circle { cursor: pointer; transition: opacity 0.15s; }
.network-svg circle:hover { opacity: 1; }

/* ── Literature Map Page (full-screen canvas visualization) ───────── */

.litmap-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--color-bg, #0a0e17);
}

.litmap-topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10, 14, 23, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border, #2a3a52);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.625rem 1.5rem;
  height: 56px;
}

.litmap-topbar-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--color-text, #e2e8f0);
  font-weight: 700;
  font-size: 1rem;
}

.litmap-topbar-brand img {
  width: 28px;
  height: 28px;
}

.litmap-topbar-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.litmap-topbar-nav a {
  font-size: 0.8125rem;
  color: var(--color-text-muted, #8896ab);
  text-decoration: none;
  transition: color 0.12s;
}

.litmap-topbar-nav a:hover,
.litmap-topbar-nav a.active {
  color: var(--color-primary, #3b82f6);
}

.litmap-main {
  flex: 1;
  display: flex;
  margin-top: 56px;
  position: relative;
  overflow: hidden;
  height: calc(100vh - 56px);
}

/* Canvas area */
.litmap-canvas-wrap {
  flex: 1;
  position: relative;
  overflow: hidden;
}

.litmap-canvas-wrap canvas {
  display: block;
  width: 100%;
  height: 100%;
  cursor: grab;
}

.litmap-canvas-wrap canvas:active {
  cursor: grabbing;
}

/* Left sidebar */
.litmap-sidebar-left {
  width: 260px;
  background: var(--color-bg-secondary, #111827);
  border-right: 1px solid var(--color-border, #2a3a52);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  overflow-y: auto;
}

.litmap-sidebar-section {
  padding: 1rem;
  border-bottom: 1px solid var(--color-border, #2a3a52);
}

.litmap-sidebar-title {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted, #8896ab);
  margin-bottom: 0.625rem;
}

/* Project selector */
.litmap-project-select {
  width: 100%;
  padding: 0.5rem 0.75rem;
  background: var(--color-bg-card, #1a2233);
  border: 1px solid var(--color-border, #2a3a52);
  border-radius: var(--radius-sm, 6px);
  color: var(--color-text, #e2e8f0);
  font-size: 0.8125rem;
  outline: none;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M3 5l3 3 3-3' fill='none' stroke='%238896ab' stroke-width='1.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
}

.litmap-project-select:focus {
  border-color: var(--color-primary, #3b82f6);
}

/* View mode toggle */
.litmap-view-modes {
  display: flex;
  gap: 0.25rem;
  background: var(--color-bg-card, #1a2233);
  border-radius: var(--radius-sm, 6px);
  padding: 0.25rem;
}

.litmap-view-btn {
  flex: 1;
  padding: 0.375rem 0.5rem;
  background: none;
  border: none;
  border-radius: 4px;
  color: var(--color-text-muted, #8896ab);
  font-size: 0.6875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.12s;
  text-align: center;
}

.litmap-view-btn:hover {
  color: var(--color-text, #e2e8f0);
}

.litmap-view-btn.active {
  background: var(--color-primary, #3b82f6);
  color: #fff;
}

/* Zoom controls */
.litmap-zoom-controls {
  display: flex;
  gap: 0.375rem;
}

.litmap-zoom-btn {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-card, #1a2233);
  border: 1px solid var(--color-border, #2a3a52);
  border-radius: var(--radius-sm, 6px);
  color: var(--color-text-muted, #8896ab);
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.12s;
}

.litmap-zoom-btn:hover {
  border-color: var(--color-primary, #3b82f6);
  color: var(--color-primary, #3b82f6);
}

/* Search */
.litmap-search-input {
  width: 100%;
  padding: 0.5rem 0.75rem;
  background: var(--color-bg-card, #1a2233);
  border: 1px solid var(--color-border, #2a3a52);
  border-radius: var(--radius-sm, 6px);
  color: var(--color-text, #e2e8f0);
  font-size: 0.8125rem;
  outline: none;
  transition: border-color 0.15s;
  box-sizing: border-box;
}

.litmap-search-input::placeholder {
  color: var(--color-text-dim, #5a6a80);
}

.litmap-search-input:focus {
  border-color: var(--color-primary, #3b82f6);
}

/* Right sidebar info panel */
.litmap-info-panel {
  width: 300px;
  background: var(--color-bg-secondary, #111827);
  border-left: 1px solid var(--color-border, #2a3a52);
  flex-shrink: 0;
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform 0.25s ease;
  position: absolute;
  top: 0;
  right: 0;
  bottom: 32px;
  z-index: 60;
}

.litmap-info-panel.litmap-info-open {
  transform: translateX(0);
}

.litmap-info-header {
  padding: 1rem;
  border-bottom: 1px solid var(--color-border, #2a3a52);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.5rem;
}

.litmap-info-close {
  background: none;
  border: none;
  color: var(--color-text-muted, #8896ab);
  font-size: 1.25rem;
  cursor: pointer;
  line-height: 1;
  padding: 0;
  flex-shrink: 0;
}

.litmap-info-close:hover {
  color: var(--color-text, #e2e8f0);
}

.litmap-info-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text, #e2e8f0);
  line-height: 1.35;
}

.litmap-info-body {
  padding: 1rem;
}

.litmap-info-meta {
  font-size: 0.75rem;
  color: var(--color-text-muted, #8896ab);
  margin-bottom: 0.5rem;
  line-height: 1.5;
}

.litmap-info-abstract {
  font-size: 0.8125rem;
  color: var(--color-text-muted, #8896ab);
  line-height: 1.6;
  margin-bottom: 0.75rem;
}

.litmap-info-keywords {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  margin-bottom: 0.75rem;
}

.litmap-info-keyword {
  font-size: 0.625rem;
  padding: 0.125rem 0.5rem;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 100px;
  color: #93bbfc;
}

.litmap-info-connections {
  margin-top: 0.75rem;
}

.litmap-info-conn-title {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted, #8896ab);
  margin-bottom: 0.5rem;
}

.litmap-connection-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 0;
  font-size: 0.75rem;
  color: var(--color-text-muted, #8896ab);
  cursor: pointer;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
  transition: color 0.12s;
}

.litmap-connection-item:hover {
  color: var(--color-primary, #3b82f6);
}

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

/* Bottom status bar */
.litmap-status-bar {
  position: fixed;
  bottom: 0;
  left: 260px;
  right: 0;
  height: 32px;
  background: rgba(10, 14, 23, 0.9);
  border-top: 1px solid var(--color-border, #2a3a52);
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0 1rem;
  font-size: 0.625rem;
  color: var(--color-text-dim, #5a6a80);
  z-index: 50;
}

.litmap-status-item {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.litmap-status-item strong {
  color: var(--color-text-muted, #8896ab);
}

/* Node tooltip */
.litmap-tooltip {
  position: fixed;
  z-index: 200;
  background: var(--color-bg-card, #1a2233);
  border: 1px solid var(--color-border, #2a3a52);
  border-radius: var(--radius-sm, 6px);
  padding: 0.5rem 0.75rem;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.12s;
  max-width: 250px;
}

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

.litmap-tooltip-title {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text, #e2e8f0);
  margin-bottom: 0.125rem;
}

.litmap-tooltip-meta {
  font-size: 0.625rem;
  color: var(--color-text-dim, #5a6a80);
}

/* Legend */
.litmap-legend {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-left: auto;
}

.litmap-legend-item {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

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

/* Light theme */
[data-theme="light"] .litmap-topbar {
  background: rgba(248, 250, 252, 0.92);
}

[data-theme="light"] .litmap-sidebar-left,
[data-theme="light"] .litmap-info-panel {
  background: #f8fafc;
}

[data-theme="light"] .litmap-tooltip {
  background: #fff;
  border-color: #e2e8f0;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .litmap-status-bar {
  background: rgba(248, 250, 252, 0.92);
}

[data-theme="light"] .litmap-canvas-wrap canvas {
  background: #f8fafc;
}

@media (max-width: 768px) {
  .litmap-sidebar-left {
    display: none;
  }
  .litmap-info-panel {
    position: fixed;
    inset: 56px 0 0;
    width: 100%;
    z-index: 200;
    bottom: 0;
  }
  .litmap-status-bar {
    left: 0;
  }
  .map-header { flex-direction: column; gap: 1rem; align-items: flex-start; }
  .timeline-chart { height: 80px; }
  .timeline-chart-bar-wrap { min-width: 20px; }
  .theme-overview, .timeline-summary { flex-wrap: wrap; gap: 0.75rem; }
  .map-minimap { display: none; }
}

/* ── Interaction Enhancement Styles ──────────────────────────────── */

/* Minimap */
.map-minimap {
  position: absolute;
  bottom: 44px;
  right: 12px;
  width: 150px;
  height: 100px;
  border: 1px solid var(--color-border, #2a3a52);
  border-radius: var(--radius-sm, 6px);
  background: var(--color-bg-secondary, #111827);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
  overflow: hidden;
  z-index: 70;
  cursor: pointer;
}

.map-minimap canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.minimap-viewport {
  position: absolute;
  border: 1.5px solid rgba(59, 130, 246, 0.65);
  background: rgba(59, 130, 246, 0.08);
  border-radius: 2px;
  pointer-events: none;
  transition: left 0.08s, top 0.08s, width 0.08s, height 0.08s;
}

/* Node search bar */
.map-node-search {
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 80;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  max-width: 360px;
  width: 90%;
}

.map-node-search-input {
  flex: 1;
  padding: 0.5rem 0.75rem;
  background: var(--color-bg-card, #1a2233);
  border: 1px solid var(--color-border, #2a3a52);
  border-radius: var(--radius-sm, 6px);
  color: var(--color-text, #e2e8f0);
  font-size: 0.8125rem;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
  box-sizing: border-box;
}

.map-node-search-input::placeholder {
  color: var(--color-text-dim, #5a6a80);
}

.map-node-search-input:focus {
  border-color: var(--color-primary, #3b82f6);
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.15);
}

/* Search count badge */
.map-search-count {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  background: var(--color-primary, #3b82f6);
  color: #fff;
  font-size: 0.6875rem;
  font-weight: 600;
  border-radius: 100px;
  white-space: nowrap;
  line-height: 1.3;
}

/* Cluster controls */
.cluster-controls {
  position: absolute;
  top: 52px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 80;
  display: flex;
  gap: 0.25rem;
  padding: 0.25rem;
  background: var(--color-bg-card, #1a2233);
  border: 1px solid var(--color-border, #2a3a52);
  border-radius: var(--radius-sm, 6px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.cluster-btn {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.3rem 0.625rem;
  background: none;
  border: 1px solid transparent;
  border-radius: 4px;
  color: var(--color-text-muted, #8896ab);
  font-size: 0.6875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.12s;
  white-space: nowrap;
}

.cluster-btn:hover {
  color: var(--color-text, #e2e8f0);
  background: rgba(255, 255, 255, 0.04);
}

.cluster-btn-active {
  background: var(--color-primary, #3b82f6);
  color: #fff;
  border-color: var(--color-primary, #3b82f6);
}

.cluster-btn-active:hover {
  background: var(--color-primary, #3b82f6);
  color: #fff;
}

.cluster-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}

/* Node detail popover */
.node-detail-popover {
  position: absolute;
  z-index: 90;
  width: 260px;
  background: var(--color-bg-card, #1a2233);
  border: 1px solid var(--color-border, #2a3a52);
  border-radius: 8px;
  padding: 0.875rem 1rem;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  font-size: 0.8125rem;
  color: var(--color-text, #e2e8f0);
}

.ndp-arrow {
  position: absolute;
  top: 20px;
  left: -6px;
  width: 10px;
  height: 10px;
  background: var(--color-bg-card, #1a2233);
  border-left: 1px solid var(--color-border, #2a3a52);
  border-bottom: 1px solid var(--color-border, #2a3a52);
  transform: rotate(45deg);
}

.ndp-title {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-text, #e2e8f0);
  margin-bottom: 0.375rem;
  line-height: 1.3;
}

.ndp-meta {
  font-size: 0.75rem;
  color: var(--color-text-muted, #8896ab);
  margin-bottom: 0.25rem;
  line-height: 1.4;
}

.ndp-stat {
  font-size: 0.75rem;
  color: var(--color-text-dim, #5a6a80);
  margin: 0.5rem 0;
}

.ndp-stat strong {
  color: var(--color-text-muted, #8896ab);
}

.ndp-actions {
  display: flex;
  gap: 0.375rem;
  margin-top: 0.625rem;
}

.ndp-btn {
  padding: 0.3rem 0.625rem;
  font-size: 0.6875rem;
  font-weight: 600;
  border-radius: 4px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.12s;
  text-decoration: none;
  display: inline-block;
  text-align: center;
  line-height: 1.4;
}

.ndp-btn-primary {
  background: var(--color-primary, #3b82f6);
  color: #fff;
  border-color: var(--color-primary, #3b82f6);
}

.ndp-btn-primary:hover {
  opacity: 0.9;
}

.ndp-btn-secondary {
  background: none;
  color: var(--color-text-muted, #8896ab);
  border-color: var(--color-border, #2a3a52);
}

.ndp-btn-secondary:hover {
  color: var(--color-text, #e2e8f0);
  border-color: var(--color-text-muted, #8896ab);
}

.ndp-btn-save {
  background: rgba(6, 214, 160, 0.15);
  color: #06d6a0;
  border-color: rgba(6, 214, 160, 0.3);
  margin-top: 0.375rem;
}

.ndp-btn-save:hover {
  background: rgba(6, 214, 160, 0.25);
}

/* Note area inside popover */
.ndp-note-area {
  margin-top: 0.625rem;
  border-top: 1px solid var(--color-border, #2a3a52);
  padding-top: 0.5rem;
}

.ndp-note-input {
  width: 100%;
  padding: 0.375rem 0.5rem;
  background: var(--color-bg, #0a0e17);
  border: 1px solid var(--color-border, #2a3a52);
  border-radius: 4px;
  color: var(--color-text, #e2e8f0);
  font-size: 0.75rem;
  font-family: inherit;
  resize: vertical;
  outline: none;
  box-sizing: border-box;
  transition: border-color 0.15s;
}

.ndp-note-input:focus {
  border-color: var(--color-primary, #3b82f6);
}

.ndp-note-input::placeholder {
  color: var(--color-text-dim, #5a6a80);
}

/* Node dimmed/highlighted states (canvas-rendered, but also for any HTML overlays) */
.node-dimmed {
  opacity: 0.15;
}

.node-highlighted {
  box-shadow: 0 0 0 3px var(--color-primary, #3b82f6), 0 0 12px rgba(59, 130, 246, 0.4);
  border-radius: 50%;
}

/* ── Light theme overrides ───────────────────────────────────────── */

[data-theme="light"] .map-minimap {
  background: #f8fafc;
  border-color: #e2e8f0;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .minimap-viewport {
  border-color: rgba(59, 130, 246, 0.5);
  background: rgba(59, 130, 246, 0.06);
}

[data-theme="light"] .map-node-search-input {
  background: #fff;
  border-color: #e2e8f0;
  color: #1e293b;
}

[data-theme="light"] .map-node-search-input::placeholder {
  color: #94a3b8;
}

[data-theme="light"] .cluster-controls {
  background: #fff;
  border-color: #e2e8f0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .cluster-btn {
  color: #64748b;
}

[data-theme="light"] .cluster-btn:hover {
  color: #1e293b;
  background: rgba(0, 0, 0, 0.03);
}

[data-theme="light"] .node-detail-popover {
  background: #fff;
  border-color: #e2e8f0;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  color: #1e293b;
}

[data-theme="light"] .ndp-arrow {
  background: #fff;
  border-color: #e2e8f0;
}

[data-theme="light"] .ndp-title {
  color: #1e293b;
}

[data-theme="light"] .ndp-meta {
  color: #64748b;
}

[data-theme="light"] .ndp-stat {
  color: #94a3b8;
}

[data-theme="light"] .ndp-btn-secondary {
  color: #64748b;
  border-color: #e2e8f0;
}

[data-theme="light"] .ndp-btn-secondary:hover {
  color: #1e293b;
}

[data-theme="light"] .ndp-note-area {
  border-top-color: #e2e8f0;
}

[data-theme="light"] .ndp-note-input {
  background: #f8fafc;
  border-color: #e2e8f0;
  color: #1e293b;
}

[data-theme="light"] .ndp-note-input::placeholder {
  color: #94a3b8;
}

/* ── 6. Legend & Filters Panel ───────────────────────────────────── */

.map-legend-panel {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 30;
  display: flex;
  flex-direction: column;
  max-height: calc(100% - 24px);
  pointer-events: auto;
}

.map-legend-toggle {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 1px solid var(--border-secondary, rgba(148, 163, 184, 0.2));
  background: var(--bg-secondary, #1e293b);
  color: var(--text-secondary, #94a3b8);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  flex-shrink: 0;
}

.map-legend-toggle:hover {
  background: var(--bg-tertiary, #334155);
  color: var(--text-primary, #f1f5f9);
}

.map-legend-body {
  display: none;
  flex-direction: column;
  margin-top: 6px;
  background: var(--bg-secondary, #1e293b);
  border: 1px solid var(--border-secondary, rgba(148, 163, 184, 0.2));
  border-radius: 10px;
  padding: 10px;
  overflow-y: auto;
  max-height: 460px;
  width: 240px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.map-legend-panel.ml-open .map-legend-body {
  display: flex;
}

/* Sections */

.ml-section {
  margin-bottom: 8px;
}

.ml-section:last-of-type {
  margin-bottom: 10px;
}

.ml-section-title {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary, #94a3b8);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 0;
  user-select: none;
}

.ml-section-title:hover {
  color: var(--text-primary, #f1f5f9);
}

.ml-chevron {
  font-size: 10px;
  transition: transform 0.2s;
}

.ml-section-title.ml-section-closed .ml-chevron {
  transform: rotate(-90deg);
}

.ml-section-content {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-top: 4px;
}

.ml-section-content.ml-collapsed {
  display: none;
}

/* Node type rows */

.ml-node-type-row,
.ml-edge-type-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 3px 4px;
  border-radius: 5px;
  cursor: pointer;
  font-size: 12px;
  color: var(--text-primary, #e2e8f0);
  transition: background 0.12s;
}

.ml-node-type-row:hover,
.ml-edge-type-row:hover {
  background: var(--bg-tertiary, rgba(51, 65, 85, 0.5));
}

.ml-type-label {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ml-node-type-row input[type="checkbox"],
.ml-edge-type-row input[type="checkbox"],
.ml-toggle-row input[type="checkbox"] {
  accent-color: #6366f1;
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  cursor: pointer;
}

/* Shape icons */

.ml-shape-icon {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  display: inline-block;
  position: relative;
}

.ml-shape-circle {
  border-radius: 50%;
  background: var(--ml-color);
}

.ml-shape-square {
  border-radius: 2px;
  background: var(--ml-color);
}

.ml-shape-diamond {
  width: 12px;
  height: 12px;
  margin: 1px;
  background: var(--ml-color);
  transform: rotate(45deg);
}

.ml-shape-triangle {
  width: 0;
  height: 0;
  background: transparent;
  border-left: 7px solid transparent;
  border-right: 7px solid transparent;
  border-bottom: 13px solid var(--ml-color);
}

.ml-shape-pentagon {
  width: 14px;
  height: 14px;
  background: var(--ml-color);
  clip-path: polygon(50% 0%, 100% 38%, 81% 100%, 19% 100%, 0% 38%);
}

.ml-shape-hexagon {
  width: 14px;
  height: 14px;
  background: var(--ml-color);
  clip-path: polygon(25% 0%, 75% 0%, 100% 50%, 75% 100%, 25% 100%, 0% 50%);
}

/* Edge samples */

.ml-edge-sample {
  width: 24px;
  height: 2px;
  flex-shrink: 0;
  position: relative;
}

.ml-edge-solid {
  background: var(--ml-color);
}

.ml-edge-dashed {
  background: repeating-linear-gradient(
    90deg,
    var(--ml-color) 0px,
    var(--ml-color) 5px,
    transparent 5px,
    transparent 8px
  );
}

.ml-edge-dotted {
  background: repeating-linear-gradient(
    90deg,
    var(--ml-color) 0px,
    var(--ml-color) 2px,
    transparent 2px,
    transparent 5px
  );
}

/* Year range */

.ml-year-range {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 2px 0;
}

.ml-year-input {
  width: 68px;
  padding: 3px 6px;
  font-size: 12px;
  background: var(--bg-tertiary, #0f172a);
  border: 1px solid var(--border-secondary, rgba(148, 163, 184, 0.2));
  border-radius: 5px;
  color: var(--text-primary, #e2e8f0);
  text-align: center;
}

.ml-year-input:focus {
  outline: none;
  border-color: #6366f1;
}

.ml-year-separator {
  color: var(--text-secondary, #94a3b8);
  font-size: 14px;
}

.ml-year-bar {
  height: 4px;
  background: var(--bg-tertiary, rgba(51, 65, 85, 0.5));
  border-radius: 2px;
  margin-top: 6px;
  position: relative;
  overflow: hidden;
}

.ml-year-bar-fill {
  position: absolute;
  top: 0;
  bottom: 0;
  background: #6366f1;
  border-radius: 2px;
}

/* Visibility toggles */

.ml-toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 3px 4px;
  font-size: 12px;
  color: var(--text-primary, #e2e8f0);
  cursor: pointer;
  border-radius: 5px;
  transition: background 0.12s;
}

.ml-toggle-row:hover {
  background: var(--bg-tertiary, rgba(51, 65, 85, 0.5));
}

/* Reset button */

.ml-reset-btn {
  width: 100%;
  padding: 6px 0;
  border: 1px solid var(--border-secondary, rgba(148, 163, 184, 0.2));
  border-radius: 6px;
  background: transparent;
  color: var(--text-secondary, #94a3b8);
  font-size: 12px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.ml-reset-btn:hover {
  background: var(--bg-tertiary, #334155);
  color: var(--text-primary, #f1f5f9);
}

/* ── Light theme overrides ───────────────────────────────────────── */

[data-theme="light"] .map-legend-toggle {
  background: #ffffff;
  border-color: #e2e8f0;
  color: #64748b;
}

[data-theme="light"] .map-legend-toggle:hover {
  background: #f8fafc;
  color: #1e293b;
}

[data-theme="light"] .map-legend-body {
  background: #ffffff;
  border-color: #e2e8f0;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .ml-section-title {
  color: #64748b;
}

[data-theme="light"] .ml-section-title:hover {
  color: #1e293b;
}

[data-theme="light"] .ml-node-type-row,
[data-theme="light"] .ml-edge-type-row {
  color: #1e293b;
}

[data-theme="light"] .ml-node-type-row:hover,
[data-theme="light"] .ml-edge-type-row:hover {
  background: rgba(241, 245, 249, 0.8);
}

[data-theme="light"] .ml-year-input {
  background: #f8fafc;
  border-color: #e2e8f0;
  color: #1e293b;
}

[data-theme="light"] .ml-year-bar {
  background: #e2e8f0;
}

[data-theme="light"] .ml-toggle-row {
  color: #1e293b;
}

[data-theme="light"] .ml-toggle-row:hover {
  background: rgba(241, 245, 249, 0.8);
}

[data-theme="light"] .ml-reset-btn {
  border-color: #e2e8f0;
  color: #64748b;
}

[data-theme="light"] .ml-reset-btn:hover {
  background: #f8fafc;
  color: #1e293b;
}

/* ── Responsive: full-width drawer below 768px ───────────────────── */

@media (max-width: 768px) {
  .map-legend-panel {
    top: auto;
    bottom: 0;
    left: 0;
    right: 0;
    max-height: 50vh;
    flex-direction: column-reverse;
  }

  .map-legend-toggle {
    position: absolute;
    top: -44px;
    left: 12px;
  }

  .map-legend-body {
    width: 100%;
    max-height: 45vh;
    border-radius: 14px 14px 0 0;
    margin-top: 0;
  }

  .map-legend-panel.ml-open .map-legend-body {
    display: flex;
  }
}

/* ── Export / Import Toolbar ──────────────────────────────────────── */

.map-export-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  margin-top: 6px;
  border-radius: 10px;
  background: var(--card-bg, rgba(30, 41, 59, 0.65));
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle, rgba(148, 163, 184, 0.1));
}

.map-export-btn,
.map-import-btn,
.map-share-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: 7px;
  background: rgba(51, 65, 85, 0.45);
  color: #cbd5e1;
  font-size: 0.82rem;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
  white-space: nowrap;
}

.map-export-btn:hover {
  background: rgba(59, 130, 246, 0.25);
  color: #93c5fd;
  border-color: rgba(59, 130, 246, 0.35);
}

.map-import-btn {
  background: rgba(6, 214, 160, 0.12);
  border-color: rgba(6, 214, 160, 0.22);
  color: #6ee7b7;
}

.map-import-btn:hover {
  background: rgba(6, 214, 160, 0.25);
  color: #a7f3d0;
  border-color: rgba(6, 214, 160, 0.4);
}

.map-import-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.map-share-btn {
  background: rgba(139, 92, 246, 0.12);
  border-color: rgba(139, 92, 246, 0.22);
  color: #c4b5fd;
}

.map-share-btn:hover {
  background: rgba(139, 92, 246, 0.25);
  color: #ddd6fe;
  border-color: rgba(139, 92, 246, 0.4);
}

/* ── Import Modal ─────────────────────────────────────────────────── */

.map-import-modal {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 340px;
}

.map-import-dropzone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 28px 16px;
  border: 2px dashed rgba(148, 163, 184, 0.25);
  border-radius: 10px;
  background: rgba(30, 41, 59, 0.35);
  color: #94a3b8;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  text-align: center;
}

.map-import-dropzone:hover,
.map-import-dropzone--active {
  border-color: rgba(59, 130, 246, 0.5);
  background: rgba(59, 130, 246, 0.08);
}

.map-import-dropzone p {
  margin: 0;
  font-size: 0.88rem;
}

.map-import-preview {
  padding: 10px 14px;
  border-radius: 8px;
  background: rgba(6, 214, 160, 0.08);
  border: 1px solid rgba(6, 214, 160, 0.18);
  color: #a7f3d0;
  font-size: 0.85rem;
}

.map-import-options {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 8px 0;
  color: #cbd5e1;
  font-size: 0.85rem;
}

.map-import-options label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}

.map-import-options input[type="radio"] {
  accent-color: #3b82f6;
}

/* ── Light Theme Overrides ────────────────────────────────────────── */

[data-theme="light"] .map-export-bar {
  background: rgba(248, 250, 252, 0.85);
  border-color: #e2e8f0;
}

[data-theme="light"] .map-export-btn,
[data-theme="light"] .map-import-btn,
[data-theme="light"] .map-share-btn {
  background: rgba(241, 245, 249, 0.8);
  border-color: #e2e8f0;
  color: #475569;
}

[data-theme="light"] .map-export-btn:hover {
  background: rgba(59, 130, 246, 0.1);
  color: #2563eb;
  border-color: rgba(59, 130, 246, 0.3);
}

[data-theme="light"] .map-import-btn {
  background: rgba(6, 214, 160, 0.08);
  border-color: rgba(6, 214, 160, 0.2);
  color: #059669;
}

[data-theme="light"] .map-import-btn:hover {
  background: rgba(6, 214, 160, 0.15);
  color: #047857;
}

[data-theme="light"] .map-share-btn {
  background: rgba(139, 92, 246, 0.08);
  border-color: rgba(139, 92, 246, 0.2);
  color: #7c3aed;
}

[data-theme="light"] .map-share-btn:hover {
  background: rgba(139, 92, 246, 0.15);
  color: #6d28d9;
}

[data-theme="light"] .map-import-dropzone {
  border-color: #d1d5db;
  background: rgba(248, 250, 252, 0.6);
  color: #64748b;
}

[data-theme="light"] .map-import-dropzone:hover,
[data-theme="light"] .map-import-dropzone--active {
  border-color: rgba(59, 130, 246, 0.4);
  background: rgba(59, 130, 246, 0.05);
}

[data-theme="light"] .map-import-preview {
  background: rgba(6, 214, 160, 0.06);
  border-color: rgba(6, 214, 160, 0.2);
  color: #047857;
}

[data-theme="light"] .map-import-options {
  color: #334155;
}

/* ── Responsive: wrap export bar at 768px ─────────────────────────── */

@media (max-width: 768px) {
  .map-export-bar {
    justify-content: center;
    padding: 8px;
    gap: 6px;
  }

  .map-export-btn,
  .map-import-btn,
  .map-share-btn {
    padding: 5px 10px;
    font-size: 0.78rem;
  }

  .map-import-modal {
    min-width: unset;
    width: 100%;
  }
}

/* ── Cluster Labels & Regions ──────────────────────────────────── */

.cl-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: var(--color-bg-secondary, #111827);
  border: 1px solid var(--color-border, #1e293b);
  border-radius: 8px;
  margin-top: 8px;
  flex-wrap: wrap;
}

.cl-toggle-btn {
  padding: 5px 12px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-muted, #8896ab);
  background: transparent;
  border: 1px solid var(--color-border, #1e293b);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s;
}

.cl-toggle-btn:hover {
  border-color: var(--color-primary, #3b82f6);
  color: var(--color-text, #e2e8f0);
}

.cl-toggle-active {
  background: rgba(59, 130, 246, 0.12);
  border-color: var(--color-primary, #3b82f6);
  color: var(--color-primary, #3b82f6);
}

.cl-detect-btn {
  padding: 5px 14px;
  font-size: 0.8rem;
  font-weight: 600;
  color: #fff;
  background: var(--color-primary, #3b82f6);
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.15s;
}

.cl-detect-btn:hover {
  background: #2563eb;
}

.cl-list {
  max-height: 220px;
  overflow-y: auto;
  background: var(--color-bg-secondary, #111827);
  border: 1px solid var(--color-border, #1e293b);
  border-radius: 8px;
  margin-top: 6px;
  padding: 4px;
}

.cl-list:empty {
  display: none;
}

.cl-list-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.12s;
  font-size: 0.82rem;
  color: var(--color-text, #e2e8f0);
}

.cl-list-item:hover {
  background: rgba(59, 130, 246, 0.08);
}

.cl-list-item-selected {
  background: rgba(59, 130, 246, 0.12);
}

.cl-color-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.cl-label-text {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.cl-label-input {
  flex: 1;
  min-width: 0;
  padding: 2px 6px;
  font-size: 0.82rem;
  color: var(--color-text, #e2e8f0);
  background: var(--color-bg, #0a0e17);
  border: 1px solid var(--color-primary, #3b82f6);
  border-radius: 4px;
  outline: none;
}

.cl-count {
  font-size: 0.72rem;
  color: var(--color-text-muted, #8896ab);
  background: rgba(255, 255, 255, 0.06);
  padding: 1px 7px;
  border-radius: 10px;
  flex-shrink: 0;
}

.cl-expand-btn {
  background: none;
  border: none;
  color: var(--color-text-muted, #8896ab);
  cursor: pointer;
  font-size: 0.7rem;
  padding: 2px 4px;
  transition: color 0.12s;
}

.cl-expand-btn:hover {
  color: var(--color-text, #e2e8f0);
}

.cl-delete-btn {
  background: none;
  border: none;
  color: var(--color-text-muted, #8896ab);
  cursor: pointer;
  font-size: 1rem;
  padding: 0 4px;
  line-height: 1;
  transition: color 0.12s;
}

.cl-delete-btn:hover {
  color: #ef4444;
}

.cl-summary-panel {
  background: var(--color-bg-secondary, #111827);
  border: 1px solid var(--color-border, #1e293b);
  border-radius: 8px;
  padding: 12px 14px;
  margin-top: 6px;
}

.cl-node-list {
  max-height: 150px;
  overflow-y: auto;
}

.cl-merge-btn,
.cl-split-btn {
  padding: 4px 10px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-text-muted, #8896ab);
  background: transparent;
  border: 1px solid var(--color-border, #1e293b);
  border-radius: 5px;
  cursor: pointer;
  transition: all 0.15s;
}

.cl-merge-btn:hover,
.cl-split-btn:hover {
  border-color: var(--color-primary, #3b82f6);
  color: var(--color-text, #e2e8f0);
}

.cl-split-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* Light theme overrides */
[data-theme="light"] .cl-controls {
  background: #f8fafc;
  border-color: #e2e8f0;
}

[data-theme="light"] .cl-list {
  background: #f8fafc;
  border-color: #e2e8f0;
}

[data-theme="light"] .cl-list-item {
  color: #1e293b;
}

[data-theme="light"] .cl-list-item:hover {
  background: rgba(59, 130, 246, 0.06);
}

[data-theme="light"] .cl-label-input {
  background: #fff;
  color: #1e293b;
  border-color: #3b82f6;
}

[data-theme="light"] .cl-summary-panel {
  background: #f8fafc;
  border-color: #e2e8f0;
}

[data-theme="light"] .cl-count {
  background: rgba(0, 0, 0, 0.06);
  color: #64748b;
}

/* Responsive: stack controls vertically on small screens */
@media (max-width: 768px) {
  .cl-controls {
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    padding: 8px;
  }

  .cl-toggle-btn,
  .cl-detect-btn,
  .cl-merge-btn,
  .cl-split-btn {
    width: 100%;
    text-align: center;
  }

  .cl-list {
    max-height: 160px;
  }

  .cl-summary-panel {
    padding: 10px;
  }
}

/* ── Path Finder ──────────────────────────────────────────────────── */

.pf-trigger-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.06);
  color: #e2e8f0;
  font-size: 13px;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
}

.pf-trigger-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

.pf-trigger-btn svg {
  flex-shrink: 0;
}

/* Panel */
.pf-panel {
  position: absolute;
  top: 60px;
  right: 16px;
  width: 340px;
  max-height: 70vh;
  overflow-y: auto;
  background: #1e293b;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px);
  transition: opacity 0.25s, transform 0.25s;
}

.pf-panel-open {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.pf-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.pf-header-title {
  font-size: 14px;
  font-weight: 600;
  color: #f1f5f9;
}

.pf-close-btn {
  background: none;
  border: none;
  color: #94a3b8;
  font-size: 20px;
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
}

.pf-close-btn:hover {
  color: #e2e8f0;
}

.pf-body {
  padding: 14px 16px;
}

.pf-selector-row {
  display: flex;
  gap: 10px;
  margin-bottom: 12px;
}

.pf-selector-col {
  flex: 1;
  min-width: 0;
}

.pf-label {
  display: block;
  font-size: 11px;
  font-weight: 500;
  color: #94a3b8;
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.pf-select {
  width: 100%;
  padding: 7px 10px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  background: #0f172a;
  color: #e2e8f0;
  font-size: 12px;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%2394a3b8' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
  padding-right: 26px;
}

.pf-select:focus {
  outline: none;
  border-color: var(--color-primary, #6366f1);
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.25);
}

.pf-actions {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.pf-find-btn {
  flex: 1;
  padding: 8px 14px;
  border: none;
  border-radius: 6px;
  background: var(--color-primary, #6366f1);
  color: #fff;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s;
}

.pf-find-btn:hover {
  background: #4f46e5;
}

.pf-clear-btn {
  padding: 8px 14px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  background: transparent;
  color: #94a3b8;
  font-size: 13px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.pf-clear-btn:hover {
  background: rgba(255, 255, 255, 0.06);
  color: #e2e8f0;
}

/* Results */
.pf-results {
  min-height: 0;
}

.pf-path-length {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 12px;
  background: rgba(34, 197, 94, 0.15);
  color: #22c55e;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 10px;
}

.pf-steps {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.pf-step {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.pf-step-node {
  width: 100%;
  padding: 8px 12px;
  border-radius: 6px;
  background: rgba(34, 197, 94, 0.08);
  border: 1px solid rgba(34, 197, 94, 0.2);
  color: #e2e8f0;
  font-size: 12px;
  line-height: 1.4;
  text-align: center;
  word-break: break-word;
}

.pf-step-arrow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  padding: 2px 0;
  color: #64748b;
}

.pf-conn-type {
  font-size: 10px;
  color: #94a3b8;
  text-transform: capitalize;
}

.pf-no-path {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 14px;
  border-radius: 6px;
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.2);
  color: #fca5a5;
  font-size: 13px;
}

/* Graph overlay classes (for DOM-based renderers; canvas uses JS) */
.pf-node-glow {
  box-shadow: 0 0 14px 4px rgba(34, 197, 94, 0.5);
}

.pf-edge-highlight {
  stroke: #22c55e !important;
  stroke-width: 4px !important;
  opacity: 0.95 !important;
}

/* ── Light theme overrides ──────────────────────────────────────── */
[data-theme="light"] .pf-trigger-btn {
  border-color: rgba(0, 0, 0, 0.12);
  background: rgba(0, 0, 0, 0.04);
  color: #334155;
}

[data-theme="light"] .pf-trigger-btn:hover {
  background: rgba(0, 0, 0, 0.08);
  border-color: rgba(0, 0, 0, 0.18);
}

[data-theme="light"] .pf-panel {
  background: #ffffff;
  border-color: rgba(0, 0, 0, 0.1);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
}

[data-theme="light"] .pf-header {
  border-bottom-color: rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .pf-header-title {
  color: #1e293b;
}

[data-theme="light"] .pf-close-btn {
  color: #64748b;
}

[data-theme="light"] .pf-close-btn:hover {
  color: #1e293b;
}

[data-theme="light"] .pf-select {
  background: #f8fafc;
  border-color: rgba(0, 0, 0, 0.12);
  color: #1e293b;
}

[data-theme="light"] .pf-clear-btn {
  border-color: rgba(0, 0, 0, 0.12);
  color: #64748b;
}

[data-theme="light"] .pf-clear-btn:hover {
  background: rgba(0, 0, 0, 0.04);
  color: #1e293b;
}

[data-theme="light"] .pf-step-node {
  color: #1e293b;
  background: rgba(34, 197, 94, 0.06);
  border-color: rgba(34, 197, 94, 0.18);
}

[data-theme="light"] .pf-no-path {
  background: rgba(239, 68, 68, 0.06);
  color: #dc2626;
}

/* ── Responsive ─────────────────────────────────────────────────── */
@media (max-width: 640px) {
  .pf-panel {
    right: 8px;
    left: 8px;
    width: auto;
    top: 50px;
    max-height: 60vh;
  }

  .pf-selector-row {
    flex-direction: column;
    gap: 8px;
  }

  .pf-actions {
    flex-direction: column;
  }

  .pf-find-btn,
  .pf-clear-btn {
    width: 100%;
    text-align: center;
  }
}

/* ── Cluster Timeline ──────────────────────────────────────────── */

.ctl-trigger-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.ctl-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  background: rgba(10, 12, 20, 0.92);
  backdrop-filter: blur(12px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding: 24px 16px 16px;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.3s ease, transform 0.3s ease;
  overflow-y: auto;
}

.ctl-overlay-open {
  opacity: 1;
  transform: translateY(0);
}

.ctl-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 960px;
  margin-bottom: 12px;
}

.ctl-header h3 {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 700;
  color: #f0f2f6;
  letter-spacing: 0.01em;
}

.ctl-close-btn {
  background: none;
  border: none;
  color: #8896ab;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
  transition: color 0.15s, background 0.15s;
}

.ctl-close-btn:hover {
  color: #f0f2f6;
  background: rgba(255, 255, 255, 0.08);
}

.ctl-canvas-wrap {
  position: relative;
  width: 100%;
  max-width: 960px;
  background: rgba(15, 18, 30, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 10px;
  overflow: hidden;
}

.ctl-canvas {
  display: block;
  width: 100%;
  height: auto;
}

.ctl-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  width: 100%;
  max-width: 960px;
  margin-top: 12px;
  padding: 10px 12px;
  background: rgba(15, 18, 30, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 8px;
}

.ctl-play-btn,
.ctl-step-btn {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #d0d5dd;
  font-size: 0.8rem;
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.ctl-play-btn:hover,
.ctl-step-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #f0f2f6;
}

.ctl-pause-btn {
  background: var(--color-primary, #6366f1);
  color: #fff;
  border-color: var(--color-primary, #6366f1);
}

.ctl-speed-btn {
  background: none;
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: #8896ab;
  font-size: 0.7rem;
  padding: 4px 8px;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.ctl-speed-btn:hover {
  color: #d0d5dd;
  background: rgba(255, 255, 255, 0.06);
}

.ctl-speed-active {
  background: var(--color-primary, #6366f1);
  color: #fff;
  border-color: var(--color-primary, #6366f1);
}

.ctl-scrubber {
  flex: 1;
  min-width: 120px;
  height: 4px;
  -webkit-appearance: none;
  appearance: none;
  background: rgba(255, 255, 255, 0.12);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}

.ctl-scrubber::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-primary, #6366f1);
  border: 2px solid #fff;
  cursor: pointer;
}

.ctl-scrubber::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-primary, #6366f1);
  border: 2px solid #fff;
  cursor: pointer;
}

.ctl-year-label {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-primary, #6366f1);
  min-width: 38px;
  text-align: center;
}

.ctl-tooltip {
  position: absolute;
  z-index: var(--z-overlay);
  background: rgba(15, 18, 30, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  padding: 8px 12px;
  max-width: 240px;
  font-size: 0.78rem;
  color: #d0d5dd;
  pointer-events: none;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
  line-height: 1.4;
}

.ctl-tooltip strong {
  color: #f0f2f6;
  display: block;
  margin-bottom: 2px;
}

.ctl-tooltip em {
  color: #8896ab;
  font-style: normal;
}

.ctl-tooltip-year {
  color: var(--color-primary, #6366f1);
  font-weight: 600;
}

.ctl-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  width: 100%;
  max-width: 960px;
  margin-top: 10px;
  padding: 8px 12px;
  background: rgba(15, 18, 30, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 6px;
}

.ctl-legend-item {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.75rem;
  color: #8896ab;
}

.ctl-legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.ctl-export-btn {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #d0d5dd;
  font-size: 0.75rem;
  padding: 5px 12px;
  border-radius: 6px;
  cursor: pointer;
  margin-left: auto;
  transition: background 0.15s, color 0.15s;
}

.ctl-export-btn:hover {
  background: rgba(255, 255, 255, 0.14);
  color: #f0f2f6;
}

/* Light theme overrides */
[data-theme="light"] .ctl-overlay {
  background: rgba(245, 247, 250, 0.96);
}

[data-theme="light"] .ctl-header h3 {
  color: #1a1d26;
}

[data-theme="light"] .ctl-close-btn {
  color: #64748b;
}

[data-theme="light"] .ctl-close-btn:hover {
  color: #1a1d26;
  background: rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .ctl-canvas-wrap {
  background: rgba(255, 255, 255, 0.85);
  border-color: rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .ctl-controls {
  background: rgba(255, 255, 255, 0.8);
  border-color: rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .ctl-play-btn,
[data-theme="light"] .ctl-step-btn {
  background: rgba(0, 0, 0, 0.04);
  border-color: rgba(0, 0, 0, 0.1);
  color: #475569;
}

[data-theme="light"] .ctl-play-btn:hover,
[data-theme="light"] .ctl-step-btn:hover {
  background: rgba(0, 0, 0, 0.08);
  color: #1a1d26;
}

[data-theme="light"] .ctl-speed-btn {
  border-color: rgba(0, 0, 0, 0.08);
  color: #64748b;
}

[data-theme="light"] .ctl-scrubber {
  background: rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .ctl-tooltip {
  background: rgba(255, 255, 255, 0.97);
  border-color: rgba(0, 0, 0, 0.1);
  color: #475569;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

[data-theme="light"] .ctl-tooltip strong {
  color: #1a1d26;
}

[data-theme="light"] .ctl-tooltip em {
  color: #64748b;
}

[data-theme="light"] .ctl-legend {
  background: rgba(255, 255, 255, 0.7);
  border-color: rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .ctl-legend-item {
  color: #475569;
}

[data-theme="light"] .ctl-export-btn {
  background: rgba(0, 0, 0, 0.04);
  border-color: rgba(0, 0, 0, 0.1);
  color: #475569;
}

[data-theme="light"] .ctl-export-btn:hover {
  background: rgba(0, 0, 0, 0.08);
  color: #1a1d26;
}

/* Responsive */
@media (max-width: 640px) {
  .ctl-overlay {
    padding: 12px 8px 8px;
  }

  .ctl-header h3 {
    font-size: 1rem;
  }

  .ctl-controls {
    gap: 6px;
    padding: 8px;
  }

  .ctl-play-btn,
  .ctl-step-btn {
    padding: 5px 8px;
    font-size: 0.72rem;
  }

  .ctl-speed-btn {
    padding: 3px 6px;
    font-size: 0.65rem;
  }

  .ctl-scrubber {
    min-width: 80px;
  }

  .ctl-year-label {
    font-size: 0.8rem;
  }

  .ctl-legend {
    gap: 6px;
  }

  .ctl-legend-item {
    font-size: 0.68rem;
  }

  .ctl-export-btn {
    font-size: 0.68rem;
    padding: 4px 8px;
  }
}

/* ── Export Manager ─────────────────────────────────────────────── */

.em-trigger-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border: 1px solid #3b82f6;
  border-radius: 6px;
  background: rgba(59, 130, 246, 0.12);
  color: #93c5fd;
  font-size: 0.8rem;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.em-trigger-btn:hover {
  background: rgba(59, 130, 246, 0.25);
  color: #bfdbfe;
}

.em-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: 350px;
  height: 100vh;
  background: #1a1b2e;
  border-left: 1px solid #2d3748;
  display: flex;
  flex-direction: column;
  z-index: var(--z-overlay);
  box-shadow: -4px 0 24px rgba(0, 0, 0, 0.4);
  overflow-y: auto;
}

.em-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid #2d3748;
}

.em-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: #e2e8f0;
}

.em-close-btn {
  background: none;
  border: none;
  color: #94a3b8;
  font-size: 1.1rem;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
  transition: background 0.15s;
}

.em-close-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #e2e8f0;
}

.em-formats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  padding: 16px 20px;
}

.em-format-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 14px 8px;
  border: 1px solid #2d3748;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.03);
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}

.em-format-card:hover {
  background: rgba(59, 130, 246, 0.08);
  border-color: #4a5568;
}

.em-format-card.em-selected {
  border-color: #3b82f6;
  background: rgba(59, 130, 246, 0.12);
  box-shadow: 0 0 0 1px rgba(59, 130, 246, 0.3);
}

.em-format-icon {
  font-size: 1.6rem;
  line-height: 1;
}

.em-format-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: #e2e8f0;
}

.em-format-desc {
  font-size: 0.65rem;
  color: #94a3b8;
  text-align: center;
  line-height: 1.3;
}

.em-options {
  padding: 12px 20px;
  border-top: 1px solid #2d3748;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.em-option-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: #cbd5e1;
}

.em-option-row select,
.em-option-row input[type="checkbox"] {
  accent-color: #3b82f6;
}

.em-option-row select {
  background: #2d3748;
  color: #e2e8f0;
  border: 1px solid #4a5568;
  border-radius: 4px;
  padding: 3px 8px;
  font-size: 0.75rem;
}

.em-preview {
  margin: 12px 20px;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid #2d3748;
  border-radius: 6px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.em-preview-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #64748b;
}

.em-preview-info {
  font-size: 0.8rem;
  color: #cbd5e1;
}

.em-export-btn {
  margin: 8px 20px 12px;
  padding: 10px 0;
  border: none;
  border-radius: 8px;
  background: linear-gradient(135deg, #3b82f6, #6366f1);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s;
}

.em-export-btn:hover {
  opacity: 0.88;
}

.em-progress {
  height: 3px;
  margin: 0 20px 16px;
  background: #2d3748;
  border-radius: 2px;
  overflow: hidden;
}

.em-progress-bar {
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, #3b82f6, #6366f1);
  animation: em-progress-anim 0.6s ease-in-out;
}

@keyframes em-progress-anim {
  from { transform: translateX(-100%); }
  to   { transform: translateX(0); }
}

/* Light theme overrides */
[data-theme="light"] .em-panel {
  background: #ffffff;
  border-left-color: #e2e8f0;
  box-shadow: -4px 0 24px rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .em-header { border-bottom-color: #e2e8f0; }
[data-theme="light"] .em-title { color: #1e293b; }
[data-theme="light"] .em-close-btn { color: #64748b; }
[data-theme="light"] .em-close-btn:hover { background: rgba(0, 0, 0, 0.06); color: #1e293b; }
[data-theme="light"] .em-format-card { border-color: #e2e8f0; background: #f8fafc; }
[data-theme="light"] .em-format-card:hover { background: rgba(59, 130, 246, 0.06); border-color: #cbd5e1; }
[data-theme="light"] .em-format-card.em-selected { border-color: #3b82f6; background: rgba(59, 130, 246, 0.08); }
[data-theme="light"] .em-format-label { color: #1e293b; }
[data-theme="light"] .em-format-desc { color: #64748b; }
[data-theme="light"] .em-options { border-top-color: #e2e8f0; }
[data-theme="light"] .em-option-row { color: #475569; }
[data-theme="light"] .em-option-row select { background: #f1f5f9; color: #1e293b; border-color: #cbd5e1; }
[data-theme="light"] .em-preview { background: #f8fafc; border-color: #e2e8f0; }
[data-theme="light"] .em-preview-info { color: #475569; }
[data-theme="light"] .em-trigger-btn { background: rgba(59, 130, 246, 0.08); color: #3b82f6; border-color: #93c5fd; }
[data-theme="light"] .em-trigger-btn:hover { background: rgba(59, 130, 246, 0.15); }

/* Responsive */
@media (max-width: 640px) {
  .em-panel {
    width: 100vw;
    border-left: none;
  }

  .em-formats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    padding: 12px 14px;
  }

  .em-format-card {
    padding: 10px 6px;
  }

  .em-format-icon {
    font-size: 1.3rem;
  }

  .em-format-label {
    font-size: 0.72rem;
  }

  .em-format-desc {
    font-size: 0.6rem;
  }

  .em-options,
  .em-preview {
    margin-left: 14px;
    margin-right: 14px;
  }

  .em-export-btn {
    margin-left: 14px;
    margin-right: 14px;
  }
}

/* ── Keyword Cloud ─────────────────────────────────────────────── */

.kc-section {
  margin-top: 18px;
  border: 1px solid rgba(99, 102, 241, 0.25);
  border-radius: 10px;
  overflow: hidden;
  background: rgba(15, 16, 33, 0.65);
  backdrop-filter: blur(8px);
}

.kc-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: rgba(99, 102, 241, 0.12);
  border-bottom: 1px solid rgba(99, 102, 241, 0.2);
}

.kc-title {
  font-size: 0.92rem;
  font-weight: 600;
  color: #c4b5fd;
  letter-spacing: 0.03em;
}

.kc-toggle-btn {
  padding: 4px 14px;
  font-size: 0.78rem;
  font-weight: 500;
  color: #e2e8f0;
  background: rgba(99, 102, 241, 0.25);
  border: 1px solid rgba(99, 102, 241, 0.35);
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
}

.kc-toggle-btn:hover {
  background: rgba(99, 102, 241, 0.4);
  border-color: rgba(99, 102, 241, 0.55);
}

.kc-body {
  padding: 14px;
}

.kc-canvas-wrap {
  position: relative;
  display: flex;
  justify-content: center;
  margin-bottom: 12px;
}

.kc-canvas {
  background: #0f1021;
  border-radius: 8px;
  border: 1px solid rgba(99, 102, 241, 0.18);
  max-width: 100%;
  height: auto;
}

.kc-controls {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.kc-slider-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 140px;
}

.kc-slider-group label {
  font-size: 0.75rem;
  color: #a0aec0;
}

.kc-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  background: rgba(99, 102, 241, 0.3);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}

.kc-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #6366f1;
  cursor: pointer;
  border: 2px solid #0f1021;
}

.kc-slider::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #6366f1;
  cursor: pointer;
  border: 2px solid #0f1021;
}

.kc-refresh-btn {
  padding: 6px 16px;
  font-size: 0.78rem;
  font-weight: 500;
  color: #e2e8f0;
  background: rgba(34, 197, 94, 0.2);
  border: 1px solid rgba(34, 197, 94, 0.35);
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.2s;
}

.kc-refresh-btn:hover {
  background: rgba(34, 197, 94, 0.35);
}

.kc-tooltip {
  position: absolute;
  padding: 4px 10px;
  font-size: 0.75rem;
  color: #fff;
  background: rgba(0, 0, 0, 0.85);
  border-radius: 5px;
  pointer-events: none;
  white-space: nowrap;
  z-index: 20;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.kc-word-list {
  margin-top: 10px;
}

.kc-word-list-header {
  font-size: 0.82rem;
  color: #c4b5fd;
  margin-bottom: 8px;
  padding-bottom: 6px;
  border-bottom: 1px solid rgba(99, 102, 241, 0.2);
}

.kc-source-item {
  font-size: 0.78rem;
  color: #cbd5e0;
  padding: 5px 10px;
  margin-bottom: 4px;
  background: rgba(99, 102, 241, 0.08);
  border-radius: 5px;
  border-left: 3px solid rgba(99, 102, 241, 0.4);
}

.kc-source-item:hover {
  background: rgba(99, 102, 241, 0.15);
}

.kc-export-row {
  display: flex;
  gap: 8px;
  margin-top: 8px;
  margin-bottom: 4px;
}

.kc-export-btn {
  padding: 5px 14px;
  font-size: 0.75rem;
  font-weight: 500;
  color: #e2e8f0;
  background: rgba(99, 102, 241, 0.18);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.2s;
}

.kc-export-btn:hover {
  background: rgba(99, 102, 241, 0.35);
}

/* Light theme overrides */
[data-theme="light"] .kc-section {
  background: rgba(255, 255, 255, 0.85);
  border-color: rgba(99, 102, 241, 0.2);
}

[data-theme="light"] .kc-header {
  background: rgba(99, 102, 241, 0.08);
}

[data-theme="light"] .kc-title {
  color: #4338ca;
}

[data-theme="light"] .kc-toggle-btn {
  color: #1e293b;
  background: rgba(99, 102, 241, 0.12);
  border-color: rgba(99, 102, 241, 0.25);
}

[data-theme="light"] .kc-canvas {
  border-color: rgba(99, 102, 241, 0.15);
}

[data-theme="light"] .kc-slider-group label {
  color: #475569;
}

[data-theme="light"] .kc-refresh-btn {
  color: #1e293b;
  background: rgba(34, 197, 94, 0.12);
  border-color: rgba(34, 197, 94, 0.3);
}

[data-theme="light"] .kc-word-list-header {
  color: #4338ca;
}

[data-theme="light"] .kc-source-item {
  color: #334155;
  background: rgba(99, 102, 241, 0.06);
}

[data-theme="light"] .kc-export-btn {
  color: #1e293b;
}

/* Responsive */
@media (max-width: 640px) {
  .kc-canvas {
    height: 220px;
  }

  .kc-controls {
    flex-direction: column;
    align-items: stretch;
  }

  .kc-slider-group {
    min-width: auto;
  }

  .kc-export-row {
    flex-direction: column;
  }
}

/* ── Source Importer ────────────────────────────────────────────── */

.si-trigger-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 12px;
  font-size: 12px;
  font-weight: 600;
  color: #e2e8f0;
  background: rgba(99, 102, 241, 0.15);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.si-trigger-btn:hover {
  background: rgba(99, 102, 241, 0.25);
  border-color: rgba(99, 102, 241, 0.5);
}

.si-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
}

.si-modal {
  width: 650px;
  max-width: 95vw;
  max-height: 85vh;
  overflow-y: auto;
  background: #1e2030;
  border: 1px solid rgba(99, 102, 241, 0.25);
  border-radius: 12px;
  padding: 20px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.si-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  font-size: 16px;
  font-weight: 700;
  color: #e2e8f0;
}

.si-close-btn {
  background: none;
  border: none;
  color: #94a3b8;
  font-size: 22px;
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
}

.si-close-btn:hover {
  color: #ef4444;
}

.si-format-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 14px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.15);
  padding-bottom: 8px;
}

.si-format-tab {
  padding: 5px 14px;
  font-size: 12px;
  font-weight: 600;
  color: #94a3b8;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s;
}

.si-format-tab:hover {
  color: #e2e8f0;
  background: rgba(99, 102, 241, 0.1);
}

.si-format-tab.si-active {
  color: #818cf8;
  background: rgba(99, 102, 241, 0.15);
  border-color: rgba(99, 102, 241, 0.3);
}

.si-dropzone {
  border: 2px dashed rgba(148, 163, 184, 0.25);
  border-radius: 10px;
  padding: 24px;
  text-align: center;
  color: #94a3b8;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  margin-bottom: 12px;
}

.si-dropzone:hover {
  border-color: rgba(99, 102, 241, 0.4);
  background: rgba(99, 102, 241, 0.05);
}

.si-dropzone.si-drag-over {
  border-color: #818cf8;
  background: rgba(99, 102, 241, 0.1);
}

.si-dropzone p {
  margin: 4px 0;
  font-size: 13px;
}

.si-drop-hint {
  font-size: 11px !important;
  color: #64748b;
}

.si-paste-label {
  display: block;
  font-size: 12px;
  color: #94a3b8;
  margin-bottom: 6px;
}

.si-paste-area {
  width: 100%;
  min-height: 100px;
  padding: 10px;
  font-size: 12px;
  font-family: 'JetBrains Mono', monospace;
  color: #e2e8f0;
  background: #161822;
  border: 1px solid rgba(148, 163, 184, 0.15);
  border-radius: 8px;
  resize: vertical;
  margin-bottom: 12px;
  box-sizing: border-box;
}

.si-paste-area::placeholder {
  color: #475569;
}

.si-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.si-parse-btn {
  padding: 6px 18px;
  font-size: 12px;
  font-weight: 700;
  color: #fff;
  background: #6366f1;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.15s;
}

.si-parse-btn:hover {
  background: #4f46e5;
}

.si-template-btn {
  padding: 5px 12px;
  font-size: 11px;
  font-weight: 600;
  color: #94a3b8;
  background: rgba(148, 163, 184, 0.1);
  border: 1px solid rgba(148, 163, 184, 0.2);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s;
}

.si-template-btn:hover {
  color: #e2e8f0;
  background: rgba(148, 163, 184, 0.18);
}

.si-count {
  font-size: 11px;
  color: #64748b;
  margin-left: auto;
}

.si-preview {
  margin-bottom: 12px;
}

.si-preview-table {
  max-height: 260px;
  overflow-y: auto;
  border: 1px solid rgba(148, 163, 184, 0.12);
  border-radius: 8px;
}

.si-preview-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 8px 10px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.08);
  transition: background 0.1s;
}

.si-preview-row:last-child {
  border-bottom: none;
}

.si-preview-row:hover {
  background: rgba(99, 102, 241, 0.05);
}

.si-preview-row.si-duplicate {
  background: rgba(245, 158, 11, 0.08);
  border-left: 3px solid #f59e0b;
}

.si-checkbox {
  margin-top: 3px;
  accent-color: #6366f1;
  cursor: pointer;
  flex-shrink: 0;
}

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

.si-row-title {
  font-size: 12px;
  font-weight: 600;
  color: #e2e8f0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.si-row-meta {
  font-size: 11px;
  color: #94a3b8;
  margin-top: 2px;
}

.si-field-missing {
  color: #ef4444;
  font-style: italic;
}

.si-progress {
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.si-progress-bar {
  flex: 1;
  height: 6px;
  background: rgba(148, 163, 184, 0.15);
  border-radius: 3px;
  overflow: hidden;
}

.si-progress-fill {
  height: 100%;
  width: 0;
  background: #6366f1;
  border-radius: 3px;
  transition: width 0.2s;
}

.si-progress-text {
  font-size: 11px;
  color: #94a3b8;
  white-space: nowrap;
}

.si-import-btn {
  width: 100%;
  padding: 8px 0;
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  background: #22c55e;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.15s;
}

.si-import-btn:hover {
  background: #16a34a;
}

/* Light theme overrides */
[data-theme="light"] .si-trigger-btn {
  color: #1e293b;
  background: rgba(99, 102, 241, 0.1);
}

[data-theme="light"] .si-modal {
  background: #ffffff;
  border-color: rgba(99, 102, 241, 0.2);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

[data-theme="light"] .si-modal-header {
  color: #1e293b;
}

[data-theme="light"] .si-close-btn {
  color: #64748b;
}

[data-theme="light"] .si-format-tab {
  color: #64748b;
}

[data-theme="light"] .si-format-tab.si-active {
  color: #4f46e5;
}

[data-theme="light"] .si-dropzone {
  border-color: rgba(148, 163, 184, 0.35);
  color: #475569;
}

[data-theme="light"] .si-paste-area {
  background: #f8fafc;
  color: #1e293b;
  border-color: rgba(148, 163, 184, 0.3);
}

[data-theme="light"] .si-row-title {
  color: #1e293b;
}

[data-theme="light"] .si-row-meta {
  color: #64748b;
}

[data-theme="light"] .si-count {
  color: #475569;
}

/* Responsive */
@media (max-width: 640px) {
  .si-modal {
    width: 100%;
    max-width: 100vw;
    max-height: 100vh;
    border-radius: 0;
    padding: 14px;
  }

  .si-format-tabs {
    flex-wrap: wrap;
  }

  .si-dropzone {
    padding: 16px;
  }

  .si-preview-table {
    max-height: 180px;
  }

  .si-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .si-count {
    margin-left: 0;
    text-align: center;
  }
}

/* ── Similarity Matrix ─────────────────────────────────────────── */

.smx-trigger-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 12px;
  font-size: 12px;
  font-weight: 600;
  color: #e2e8f0;
  background: rgba(139, 92, 246, 0.15);
  border: 1px solid rgba(139, 92, 246, 0.3);
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.smx-trigger-btn:hover {
  background: rgba(139, 92, 246, 0.25);
  border-color: rgba(139, 92, 246, 0.5);
}

.smx-panel {
  position: fixed;
  top: 0;
  right: -500px;
  width: 480px;
  height: 100vh;
  background: #1a1b2e;
  border-left: 1px solid #2d3748;
  display: flex;
  flex-direction: column;
  z-index: var(--z-overlay);
  box-shadow: -4px 0 24px rgba(0, 0, 0, 0.5);
  overflow-y: auto;
  transition: right 0.3s ease;
}

.smx-panel-open {
  right: 0;
}

.smx-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid #2d3748;
  flex-shrink: 0;
}

.smx-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: #e2e8f0;
}

.smx-close-btn {
  background: none;
  border: none;
  color: #94a3b8;
  font-size: 1.2rem;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
  transition: background 0.15s;
}

.smx-close-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #e2e8f0;
}

.smx-canvas-wrap {
  flex: 1 1 auto;
  overflow: auto;
  padding: 12px;
  min-height: 0;
}

.smx-canvas {
  display: block;
  border-radius: 4px;
}

.smx-tooltip {
  position: absolute;
  z-index: var(--z-overlay);
  background: #1e293b;
  border: 1px solid #475569;
  border-radius: 8px;
  padding: 10px 14px;
  max-width: 280px;
  pointer-events: none;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.smx-tooltip-title {
  font-size: 0.78rem;
  font-weight: 600;
  color: #e2e8f0;
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.smx-tooltip-score {
  font-size: 0.82rem;
  font-weight: 700;
  color: #a5b4fc;
  margin-bottom: 4px;
}

.smx-tooltip-keywords {
  font-size: 0.72rem;
  color: #94a3b8;
  line-height: 1.4;
}

.smx-legend {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  flex-shrink: 0;
}

.smx-legend-bar {
  flex: 1;
  height: 12px;
  border-radius: 6px;
  background: linear-gradient(to right, #0f172a, #1e2952, #4338ca, #6366f1, #a5b4fc);
}

.smx-legend-label {
  font-size: 0.72rem;
  color: #94a3b8;
  font-weight: 600;
}

.smx-cluster-info {
  padding: 6px 20px;
  font-size: 0.75rem;
  color: #f59e0b;
  flex-shrink: 0;
}

.smx-export-row {
  display: flex;
  gap: 8px;
  padding: 12px 20px;
  border-top: 1px solid #2d3748;
  flex-shrink: 0;
}

.smx-export-btn {
  flex: 1;
  padding: 8px 0;
  font-size: 0.78rem;
  font-weight: 600;
  color: #e2e8f0;
  background: rgba(99, 102, 241, 0.15);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.15s;
}

.smx-export-btn:hover {
  background: rgba(99, 102, 241, 0.3);
}

/* Light theme overrides */
[data-theme="light"] .smx-trigger-btn {
  color: #1e293b;
  background: rgba(139, 92, 246, 0.1);
  border-color: rgba(139, 92, 246, 0.3);
}

[data-theme="light"] .smx-trigger-btn:hover {
  background: rgba(139, 92, 246, 0.18);
}

[data-theme="light"] .smx-panel {
  background: #ffffff;
  border-left-color: #e2e8f0;
  box-shadow: -4px 0 24px rgba(0, 0, 0, 0.12);
}

[data-theme="light"] .smx-header {
  border-bottom-color: #e2e8f0;
}

[data-theme="light"] .smx-title {
  color: #1e293b;
}

[data-theme="light"] .smx-close-btn {
  color: #64748b;
}

[data-theme="light"] .smx-close-btn:hover {
  background: rgba(0, 0, 0, 0.06);
  color: #1e293b;
}

[data-theme="light"] .smx-tooltip {
  background: #ffffff;
  border-color: #cbd5e1;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

[data-theme="light"] .smx-tooltip-title { color: #1e293b; }
[data-theme="light"] .smx-tooltip-score { color: #6366f1; }
[data-theme="light"] .smx-tooltip-keywords { color: #64748b; }
[data-theme="light"] .smx-legend-label { color: #64748b; }
[data-theme="light"] .smx-cluster-info { color: #d97706; }
[data-theme="light"] .smx-export-row { border-top-color: #e2e8f0; }
[data-theme="light"] .smx-export-btn {
  color: #1e293b;
  background: rgba(99, 102, 241, 0.08);
  border-color: rgba(99, 102, 241, 0.2);
}

[data-theme="light"] .smx-export-btn:hover {
  background: rgba(99, 102, 241, 0.15);
}

/* Responsive */
@media (max-width: 640px) {
  .smx-panel {
    width: 100vw;
    border-left: none;
  }

  .smx-export-row {
    flex-direction: column;
  }
}

/* ── Cluster Labels Sidebar ──────────────────────────────────────── */

.cl-sidebar {
  position: relative;
  margin-top: 1rem;
  background: var(--color-bg-secondary, #111827);
  border: 1px solid var(--color-border, #1e293b);
  border-radius: 10px;
  overflow: hidden;
}

.cl-sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--color-border, #1e293b);
  cursor: default;
}

.cl-sidebar-title {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-text, #e2e8f0);
  letter-spacing: 0.02em;
}

.cl-sidebar-header-actions { display: flex; gap: 0.25rem; }

.cl-collapse-btn {
  background: none;
  border: none;
  color: var(--color-text-muted, #8896ab);
  font-size: 0.75rem;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 4px;
  transition: background 0.15s;
}

.cl-collapse-btn:hover { background: rgba(255, 255, 255, 0.06); }

.cl-sidebar-collapsed .cl-sidebar-body { display: none; }

.cl-sidebar-body { padding: 0.75rem 1rem 1rem; }

/* Controls row */
.cl-controls {
  display: flex;
  gap: 0.375rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}

.cl-toggle-btn,
.cl-detect-btn {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.3rem 0.65rem;
  border-radius: 5px;
  border: 1px solid var(--color-border, #1e293b);
  background: transparent;
  color: var(--color-text-muted, #8896ab);
  cursor: pointer;
  transition: all 0.15s;
}

.cl-toggle-btn:hover,
.cl-detect-btn:hover {
  border-color: var(--color-primary, #3b82f6);
  color: var(--color-text, #e2e8f0);
}

.cl-toggle-active {
  background: rgba(59, 130, 246, 0.12);
  border-color: var(--color-primary, #3b82f6);
  color: var(--color-primary, #3b82f6);
}

/* Color Legend */
.cl-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  margin-bottom: 0.75rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--color-border, #1e293b);
}

.cl-legend-item {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.75rem;
  color: var(--color-text-muted, #8896ab);
}

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

.cl-legend-text { white-space: nowrap; }

/* Cluster Cards */
.cl-card-container {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
  max-height: 400px;
  overflow-y: auto;
}

.cl-empty-msg {
  font-size: 0.8rem;
  color: var(--color-text-muted, #8896ab);
  padding: 0.5rem 0;
  margin: 0;
}

.cl-card {
  display: flex;
  border: 1px solid var(--color-border, #1e293b);
  border-radius: 8px;
  overflow: hidden;
  background: var(--color-bg, #0a0e17);
  transition: border-color 0.15s;
}

.cl-card:hover { border-color: rgba(255, 255, 255, 0.12); }

.cl-card-merge-selected {
  border-color: var(--color-primary, #3b82f6);
  box-shadow: 0 0 0 1px rgba(59, 130, 246, 0.3);
}

.cl-card-stripe {
  width: 5px;
  flex-shrink: 0;
}

.cl-card-body {
  flex: 1;
  padding: 0.6rem 0.75rem;
  min-width: 0;
}

.cl-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.35rem;
}

.cl-card-label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text, #e2e8f0);
  cursor: pointer;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.cl-card-label:hover { text-decoration: underline; text-decoration-style: dotted; }

.cl-card-count {
  font-size: 0.7rem;
  color: var(--color-text-muted, #8896ab);
  white-space: nowrap;
  background: rgba(255, 255, 255, 0.04);
  padding: 1px 6px;
  border-radius: 10px;
}

/* Color picker */
.cl-color-picker-row {
  display: flex;
  gap: 0.35rem;
  margin-bottom: 0.35rem;
}

.cl-color-dot-pick {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid transparent;
  transition: border-color 0.15s, transform 0.1s;
}

.cl-color-dot-pick:hover { transform: scale(1.2); }

.cl-color-dot-active { border-color: #fff; }

/* Keywords */
.cl-card-keywords {
  font-size: 0.72rem;
  color: var(--color-text-muted, #8896ab);
  margin-bottom: 0.35rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Suggest */
.cl-card-suggest-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin-bottom: 0.35rem;
}

.cl-suggest-btn {
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 4px;
  border: 1px solid var(--color-border, #1e293b);
  background: transparent;
  color: var(--color-text-muted, #8896ab);
  cursor: pointer;
  transition: all 0.15s;
}

.cl-suggest-btn:hover {
  border-color: var(--color-primary, #3b82f6);
  color: var(--color-primary, #3b82f6);
}

.cl-suggest-chip {
  font-size: 0.68rem;
  padding: 2px 7px;
  border-radius: 10px;
  border: 1px solid rgba(59, 130, 246, 0.3);
  background: rgba(59, 130, 246, 0.08);
  color: var(--color-primary, #3b82f6);
  cursor: pointer;
  transition: background 0.15s;
}

.cl-suggest-chip:hover { background: rgba(59, 130, 246, 0.18); }

/* Card actions */
.cl-card-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.cl-merge-label {
  font-size: 0.72rem;
  color: var(--color-text-muted, #8896ab);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.cl-merge-chk { cursor: pointer; accent-color: var(--color-primary, #3b82f6); }

.cl-card-del {
  background: none;
  border: none;
  color: var(--color-text-muted, #8896ab);
  font-size: 1rem;
  cursor: pointer;
  padding: 0 4px;
  border-radius: 4px;
  line-height: 1;
  transition: color 0.15s, background 0.15s;
}

.cl-card-del:hover { color: #ef4444; background: rgba(239, 68, 68, 0.1); }

/* Inline label edit */
.cl-label-input {
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 1px 4px;
  border: 1px solid var(--color-primary, #3b82f6);
  border-radius: 4px;
  background: var(--color-bg, #0a0e17);
  color: var(--color-text, #e2e8f0);
  outline: none;
  width: 100%;
  max-width: 180px;
}

/* Merge row */
.cl-merge-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0;
  margin-bottom: 0.5rem;
  border-top: 1px solid var(--color-border, #1e293b);
  border-bottom: 1px solid var(--color-border, #1e293b);
}

.cl-merge-info {
  font-size: 0.75rem;
  color: var(--color-text-muted, #8896ab);
  flex: 1;
}

.cl-merge-btn {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.25rem 0.6rem;
  border-radius: 5px;
  border: 1px solid var(--color-primary, #3b82f6);
  background: rgba(59, 130, 246, 0.12);
  color: var(--color-primary, #3b82f6);
  cursor: pointer;
  transition: background 0.15s;
}

.cl-merge-btn:hover { background: rgba(59, 130, 246, 0.22); }

.cl-merge-cancel {
  font-size: 0.72rem;
  padding: 0.25rem 0.5rem;
  border-radius: 5px;
  border: 1px solid var(--color-border, #1e293b);
  background: transparent;
  color: var(--color-text-muted, #8896ab);
  cursor: pointer;
}

.cl-merge-cancel:hover { color: var(--color-text, #e2e8f0); }

/* Statistics Section */
.cl-stats-section { margin-top: 0.5rem; }

.cl-stats-header,
.cl-matrix-header {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-text, #e2e8f0);
  margin-bottom: 0.5rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--color-border, #1e293b);
}

.cl-matrix-header { margin-top: 0.75rem; }

/* Bar chart */
.cl-barchart { display: flex; flex-direction: column; gap: 0.3rem; }

.cl-bar-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.cl-bar-label {
  font-size: 0.7rem;
  color: var(--color-text-muted, #8896ab);
  width: 80px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-align: right;
  flex-shrink: 0;
}

.cl-bar-track {
  flex: 1;
  height: 14px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 3px;
  overflow: hidden;
}

.cl-bar-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 0.3s ease;
}

.cl-bar-val {
  font-size: 0.7rem;
  color: var(--color-text, #e2e8f0);
  width: 28px;
  text-align: right;
  flex-shrink: 0;
}

/* Keyword overlap table */
.cl-overlap-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.68rem;
  margin-top: 0.25rem;
}

.cl-overlap-table th,
.cl-overlap-table td {
  padding: 0.25rem 0.35rem;
  text-align: center;
  border: 1px solid var(--color-border, #1e293b);
  color: var(--color-text-muted, #8896ab);
}

.cl-overlap-table th {
  font-weight: 600;
  background: rgba(255, 255, 255, 0.02);
}

.cl-overlap-diag {
  background: rgba(255, 255, 255, 0.04);
  font-weight: 600;
  color: var(--color-text, #e2e8f0);
}

.cl-overlap-hit { color: var(--color-primary, #3b82f6); }

/* ── Cluster Labels: Light Theme ─────────────────────────────────── */

[data-theme="light"] .cl-sidebar {
  background: #ffffff;
  border-color: #e2e8f0;
}

[data-theme="light"] .cl-sidebar-header { border-bottom-color: #e2e8f0; }
[data-theme="light"] .cl-sidebar-title { color: #1e293b; }
[data-theme="light"] .cl-collapse-btn { color: #64748b; }
[data-theme="light"] .cl-collapse-btn:hover { background: rgba(0, 0, 0, 0.04); }

[data-theme="light"] .cl-toggle-btn,
[data-theme="light"] .cl-detect-btn {
  border-color: #e2e8f0;
  color: #64748b;
}

[data-theme="light"] .cl-toggle-btn:hover,
[data-theme="light"] .cl-detect-btn:hover {
  border-color: #3b82f6;
  color: #1e293b;
}

[data-theme="light"] .cl-toggle-active {
  background: rgba(59, 130, 246, 0.08);
  color: #3b82f6;
}

[data-theme="light"] .cl-legend { border-bottom-color: #e2e8f0; }
[data-theme="light"] .cl-legend-item { color: #64748b; }

[data-theme="light"] .cl-card {
  background: #f8fafc;
  border-color: #e2e8f0;
}

[data-theme="light"] .cl-card:hover { border-color: #cbd5e1; }
[data-theme="light"] .cl-card-label { color: #1e293b; }
[data-theme="light"] .cl-card-count { color: #64748b; background: rgba(0, 0, 0, 0.04); }
[data-theme="light"] .cl-card-keywords { color: #64748b; }

[data-theme="light"] .cl-color-dot-active { border-color: #1e293b; }

[data-theme="light"] .cl-label-input {
  background: #fff;
  color: #1e293b;
}

[data-theme="light"] .cl-suggest-btn {
  border-color: #e2e8f0;
  color: #64748b;
}

[data-theme="light"] .cl-merge-row {
  border-color: #e2e8f0;
}

[data-theme="light"] .cl-merge-info { color: #64748b; }
[data-theme="light"] .cl-merge-cancel { border-color: #e2e8f0; color: #64748b; }

[data-theme="light"] .cl-stats-header,
[data-theme="light"] .cl-matrix-header {
  color: #1e293b;
  border-top-color: #e2e8f0;
}

[data-theme="light"] .cl-bar-label { color: #64748b; }
[data-theme="light"] .cl-bar-track { background: rgba(0, 0, 0, 0.04); }
[data-theme="light"] .cl-bar-val { color: #1e293b; }

[data-theme="light"] .cl-overlap-table th,
[data-theme="light"] .cl-overlap-table td {
  border-color: #e2e8f0;
  color: #64748b;
}

[data-theme="light"] .cl-overlap-table th { background: rgba(0, 0, 0, 0.02); }
[data-theme="light"] .cl-overlap-diag { background: rgba(0, 0, 0, 0.04); color: #1e293b; }

/* ── Cluster Labels: Responsive ──────────────────────────────────── */

@media (max-width: 640px) {
  .cl-sidebar-body { padding: 0.5rem 0.75rem 0.75rem; }

  .cl-card-container { max-height: 280px; }

  .cl-bar-label { width: 60px; font-size: 0.65rem; }

  .cl-overlap-table { font-size: 0.6rem; }

  .cl-overlap-table th,
  .cl-overlap-table td { padding: 0.15rem 0.2rem; }
}