/* --- Blueprint Theme: Clean White Design --- */
:root {
  --color-background: #ffffff;
  --color-border: #cccccc;
  --color-text: #333333;
  --color-text-light: #666666;

  /* Colors set dynamically from config.js */
  --color-filtered: #22c55e;
  --color-unfiltered: #b0b0b0;
  --color-forward-link: #06b6d4;
  --color-backlink: #f59e0b;
  --color-source-aspi: #1e40af;
  --color-source-lowy: #7c3aed;

  --border-style: 1px dashed var(--color-border);
  --font-mono:
    "SF Mono", "Monaco", "Inconsolata", "Fira Mono", "Droid Sans Mono",
    monospace;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100vh;
  background-color: var(--color-background);
  color: var(--color-text);
}

#container {
  display: flex;
  flex: 1;
  min-height: 0;
}

/* --- Sidebar Controls --- */
#controls {
  width: 280px;
  padding: 20px;
  overflow-y: auto;
  border-right: var(--border-style);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}

#controls header {
  padding-bottom: 20px;
  border-bottom: var(--border-style);
  margin-bottom: 0;
}

#controls header h1 {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.5px;
}

#controls header h1 em {
  font-style: italic;
}

#controls header .subtitle {
  margin: 4px 0 0 0;
  font-size: 12px;
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: 1px;
}

#controls header .about-link {
  display: inline-block;
  margin-top: 10px;
  font-size: 11px;
  color: var(--color-text-light);
  text-decoration: none;
}

#controls header .about-link:hover {
  color: var(--color-text);
  text-decoration: underline;
}

/* --- Control Sections --- */
.control-section {
  padding: 20px 0;
  border-bottom: var(--border-style);
}

.control-section:last-of-type {
  border-bottom: none;
}

.control-section h2 {
  margin: 0 0 12px 0;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-text-light);
}

/* --- Filter Row --- */
.filter-row {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* --- Autocomplete --- */
.autocomplete-container {
  position: relative;
  width: 100%;
}

.autocomplete-container input[type="text"] {
  appearance: none;
  background-color: var(--color-background);
  color: var(--color-text);
  border: var(--border-style);
  padding: 8px 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  width: 100%;
}

.autocomplete-container input[type="text"]:disabled {
  background-color: #f5f5f5;
  color: #999;
  cursor: not-allowed;
}

.autocomplete-container input[type="text"]:focus {
  outline: none;
  border-color: var(--color-text);
}

.autocomplete-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  max-height: 200px;
  overflow-y: auto;
  background-color: var(--color-background);
  border: var(--border-style);
  border-top: none;
  z-index: 1000;
  display: none;
}

.autocomplete-dropdown.visible {
  display: block;
}

.autocomplete-item {
  padding: 8px 10px;
  font-size: 12px;
  cursor: pointer;
  border-bottom: 1px solid #eee;
}

.autocomplete-item:last-child {
  border-bottom: none;
}

.autocomplete-item:hover,
.autocomplete-item.highlighted {
  background-color: #f5f5f5;
}

.autocomplete-item.selected {
  background-color: #e8e8e8;
  font-weight: 600;
}

.autocomplete-no-results {
  padding: 8px 10px;
  font-size: 11px;
  color: var(--color-text-light);
  font-style: italic;
}

/* --- Filter Builder --- */
.filter-builder-section {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

#filter-builder {
  display: flex;
  flex-direction: column;
  gap: 0;
}

#filter-rules {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.filter-rule {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px 0;
  border-bottom: var(--border-style);
}

.filter-rule:first-child {
  padding-top: 0;
}

/* === EDITING VIEW (stacked) === */
.filter-rule.editing {
  background-color: #fafafa;
  margin: 0 -10px;
  padding: 12px 10px;
  border: var(--border-style);
  border-left: none;
  border-right: none;
}

.filter-rule-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.filter-rule-row.not-row {
  flex-direction: row;
  align-items: center;
  padding-bottom: 8px;
  border-bottom: 1px solid #eee;
  margin-bottom: 4px;
}

.not-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--color-text-light);
  cursor: pointer;
}

.not-toggle input[type="checkbox"] {
  margin: 0;
  cursor: pointer;
}

.rule-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-text-light);
}

.filter-rule-row select,
.filter-rule-row .filter-rule-value-container {
  width: 100%;
}

.filter-rule-value-container {
  position: relative;
}

.filter-rule-value-container input {
  width: 100%;
  appearance: none;
  background-color: var(--color-background);
  color: var(--color-text);
  border: var(--border-style);
  padding: 8px 10px;
  font-family: var(--font-mono);
  font-size: 12px;
}

.filter-rule-value-container input:focus {
  outline: none;
  border-color: var(--color-text);
}

.filter-rule-value-container .autocomplete-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
}

.filter-rule-value-container select.filter-value-select {
  width: 100%;
}

/* Date range inputs */
.date-range-container {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.date-range-container .date-label {
  font-size: 10px;
  color: var(--color-text-light);
}

.date-range-container .date-input {
  appearance: none;
  background-color: var(--color-background);
  color: var(--color-text);
  border: var(--border-style);
  padding: 6px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  width: 100%;
}

.date-range-container .date-input:focus {
  outline: none;
  border-color: var(--color-text);
}

.filter-rule-actions {
  display: flex;
  gap: 8px;
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid #eee;
}

.rule-done-btn,
.rule-remove-btn {
  flex: 1;
  padding: 6px 12px;
  font-size: 10px;
}

.rule-remove-btn {
  background: none;
  color: var(--color-text-light);
}

.rule-remove-btn:hover {
  color: #dc2626;
  background: none;
}

/* === CONDENSED VIEW === */
.filter-rule.condensed {
  padding: 8px 0;
}

.filter-rule-summary {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  line-height: 1.4;
}

.rule-summary-text {
  flex: 1;
  min-width: 0;
  word-wrap: break-word;
}

.rule-summary-text strong {
  color: var(--color-text);
}

.rule-summary-text em {
  font-style: normal;
  color: var(--color-filtered);
}

.rule-edit-btn {
  padding: 4px 8px;
  font-size: 9px;
  width: auto;
  flex-shrink: 0;
}

.remove-rule-btn {
  appearance: none;
  background: none;
  border: none;
  color: var(--color-text-light);
  font-size: 16px;
  cursor: pointer;
  padding: 4px 8px;
  line-height: 1;
  width: auto;
  flex-shrink: 0;
  transition: color 0.15s ease;
}

.remove-rule-btn:hover {
  color: #dc2626;
  background: none;
}

/* Logic connector between rules */
.filter-logic-connector {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px 0;
  gap: 8px;
}

.logic-btn {
  appearance: none;
  background: none;
  border: var(--border-style);
  padding: 4px 12px;
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
  color: var(--color-text-light);
  width: auto;
  transition: all 0.15s ease;
}

.logic-btn:hover {
  background-color: #f5f5f5;
}

.logic-btn.active {
  background-color: var(--color-text);
  color: var(--color-background);
  border-color: var(--color-text);
}

.add-filter-btn {
  margin-top: 12px;
  padding: 8px 12px;
  font-size: 11px;
}

.filter-result {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: var(--border-style);
  font-size: 11px;
  color: var(--color-text-light);
}

.color-swatch.color-match {
  background-color: var(--color-filtered);
}

/* --- Select Styling --- */
select {
  appearance: none;
  background-color: var(--color-background);
  color: var(--color-text);
  border: var(--border-style);
  padding: 8px 28px 8px 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  width: 100%;
  cursor: pointer;
  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 fill='%23666' d='M2 4l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
}

select:disabled {
  background-color: #f5f5f5;
  color: #999;
  cursor: not-allowed;
}

select:focus {
  outline: none;
  border-color: var(--color-text);
}

.color-swatch {
  width: 12px;
  height: 12px;
  border: 1px solid var(--color-border);
}

/* --- Button --- */
button {
  appearance: none;
  background-color: var(--color-background);
  color: var(--color-text);
  border: var(--border-style);
  padding: 10px 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
  width: 100%;
  transition: background-color 0.15s ease;
}

button:hover {
  background-color: #f5f5f5;
}

button:active {
  background-color: #eee;
}

/* --- Footer --- */
#controls footer {
  margin-top: auto;
  padding-top: 20px;
  border-top: var(--border-style);
}

#controls footer p {
  margin: 0;
  font-size: 11px;
  color: var(--color-text-light);
}

/* --- Control Labels and Info --- */
.control-label {
  font-size: 11px;
  color: var(--color-text-light);
  margin-bottom: 4px;
}

.nn-info,
.link-depth-info {
  margin-top: 8px;
}

.info-text {
  font-size: 10px;
  color: var(--color-text-light);
  font-style: italic;
  line-height: 1.4;
}

/* --- Toggle Row --- */
.toggle-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.toggle-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  cursor: pointer;
}

.toggle-label input[type="checkbox"] {
  margin: 0;
  cursor: pointer;
}

/* --- Visualization Area --- */
#visualization-area {
  flex: 1;
  position: relative;
  display: flex;
  flex-direction: row;
  min-width: 0;
  background-color: var(--color-background);
}

/* --- Timeline Container (vertical sidebar on right, same width as controls) --- */
#timeline-container {
  width: 280px;
  height: 100%;
  border-left: var(--border-style);
  flex-shrink: 0;
}

#timeline-svg {
  width: 100%;
  height: 100%;
}

/* Timeline center line (butterfly histogram divider) */
#timeline-svg .timeline-center-line {
  stroke: var(--color-border);
  stroke-width: 1;
}

#timeline-svg .timeline-bar {
  fill: var(--color-unfiltered);
  opacity: 0.4;
  transition: fill 0.15s ease, opacity 0.15s ease;
}

#timeline-svg .timeline-bar.in-range {
  fill: var(--color-unfiltered);
  opacity: 1;
}

#timeline-svg .timeline-bar:hover {
  fill: var(--color-text);
}

#timeline-svg .timeline-bar-filtered {
  fill: var(--color-filtered);
  pointer-events: none;
}

#timeline-svg .timeline-bar-filtered.in-range {
  fill: var(--color-filtered);
}

/* Count axes for butterfly histogram */
#timeline-svg .timeline-axis-total text,
#timeline-svg .timeline-axis-filtered text {
  font-family: var(--font-mono);
  font-size: 8px;
  fill: var(--color-text-light);
}

#timeline-svg .timeline-axis-total line,
#timeline-svg .timeline-axis-total path,
#timeline-svg .timeline-axis-filtered line,
#timeline-svg .timeline-axis-filtered path {
  stroke: var(--color-border);
}

#timeline-svg .timeline-axis text {
  font-family: var(--font-mono);
  font-size: 9px;
  fill: var(--color-text-light);
}

#timeline-svg .timeline-axis line,
#timeline-svg .timeline-axis path {
  stroke: var(--color-border);
  stroke-dasharray: 4, 4;
}


#timeline-svg .date-range-label {
  font-family: var(--font-mono);
  font-size: 9px;
  fill: var(--color-text);
}

#timeline-svg .timeline-axis text {
  font-family: var(--font-mono);
  font-size: 10px;
  fill: var(--color-text-light);
}

#timeline-svg .timeline-axis line,
#timeline-svg .timeline-axis path {
  stroke: var(--color-border);
}

/* --- Scatterplot Container --- */
#scatterplot-container {
  position: relative;
  flex: 1;
  min-width: 0;
  min-height: 0;
}

#scatterplot-canvas {
  position: absolute;
  top: 0;
  left: 0;
}

#scatterplot-svg {
  position: absolute;
  top: 0;
  left: 0;
  pointer-events: none;
}

#scatterplot-svg .scatterplot-content {
  pointer-events: auto;
}

/* --- Grid Background --- */
.grid-background {
  pointer-events: none;
}

/* --- Axes --- */
.axis text {
  font-family: var(--font-mono);
  font-size: 9px;
  fill: var(--color-text-light);
}

.axis line,
.axis path {
  stroke: var(--color-border);
  stroke-dasharray: 4, 4;
  shape-rendering: crispEdges;
}

/* --- Tooltip --- */
#tooltip {
  position: absolute;
  background: var(--color-background);
  border: var(--border-style);
  color: var(--color-text);
  padding: 12px;
  pointer-events: none;
  display: none;
  max-width: 350px;
  max-height: 400px;
  overflow-y: auto;
  z-index: 100;
  font-size: 11px;
  line-height: 1.6;
}

#tooltip .meta {
  color: var(--color-text-light);
  margin-top: 4px;
}

#tooltip .tags {
  margin-top: 8px;
  padding-top: 8px;
  border-top: var(--border-style);
}

#tooltip .links {
  margin-top: 8px;
  padding-top: 8px;
  border-top: var(--border-style);
}

#tooltip .links strong {
  display: block;
  margin-bottom: 4px;
  font-size: 11px;
}

#tooltip .links ul {
  margin: 0;
  padding-left: 16px;
}

#tooltip .links li {
  margin: 6px 0;
}

#tooltip .links .link-meta {
  display: block;
  font-size: 10px;
  color: var(--color-text-light);
  margin-top: 2px;
}

#tooltip .links.outgoing-links strong {
  color: #06b6d4;
}

#tooltip .links.backlinks strong {
  color: #f59e0b;
}

/* Tooltip links */
#tooltip a {
  color: var(--color-text);
  text-decoration: none;
}

#tooltip a:hover {
  text-decoration: underline;
}

.tooltip-title-row {
  margin-bottom: 6px;
}

#tooltip .tooltip-title {
  display: inline;
  font-size: 12px;
  font-weight: 600;
}

/* Source badges */
.source-badge {
  display: inline-block;
  font-size: 9px;
  font-weight: 600;
  padding: 2px 5px;
  border-radius: 2px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  vertical-align: middle;
  margin-left: 4px;
}

.source-badge.source-aspi {
  background-color: var(--color-source-aspi);
  color: #fff;
}

.source-badge.source-lowy {
  background-color: var(--color-source-lowy);
  color: #fff;
}

.source-badge.source-unknown {
  background-color: #6b7280;
  color: #fff;
}

/* Smaller source badges in link lists */
#tooltip .links .source-badge {
  font-size: 8px;
  padding: 1px 4px;
  margin-left: 3px;
}

/* Sticky tooltip indicator */
#tooltip.sticky {
  border-style: solid;
  border-width: 2px;
}

/* Hover tooltip (appears when sticky tooltip is active) */
#hover-tooltip {
  position: absolute;
  background: var(--color-background);
  border: var(--border-style);
  color: var(--color-text);
  padding: 12px;
  pointer-events: none;
  display: none;
  max-width: 300px;
  max-height: 350px;
  overflow-y: auto;
  z-index: 99;
  font-size: 11px;
  line-height: 1.6;
  opacity: 0.95;
}

#hover-tooltip .meta {
  color: var(--color-text-light);
  margin-top: 4px;
}

#hover-tooltip .tags {
  margin-top: 8px;
  padding-top: 8px;
  border-top: var(--border-style);
}

#hover-tooltip .tooltip-title {
  display: inline;
  font-size: 12px;
  font-weight: 600;
}

/* --- Map Labels --- */
.map-labels text {
  font-family: var(--font-mono);
  fill: var(--color-text);
  text-anchor: middle;
  dominant-baseline: middle;
  text-shadow:
    -1px -1px 0 var(--color-background),
    1px -1px 0 var(--color-background),
    -1px 1px 0 var(--color-background),
    1px 1px 0 var(--color-background),
    0 -1px 0 var(--color-background),
    0 1px 0 var(--color-background),
    -1px 0 0 var(--color-background),
    1px 0 0 var(--color-background);
  transition: opacity 0.3s ease;
}

.map-labels text.level-0 {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.map-labels text.level-1 {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 1px;
}

.map-labels text.level-2 {
  font-size: 11px;
  font-weight: 500;
}

.map-labels text.level-3 {
  font-size: 9px;
  font-weight: 400;
}

/* --- Internal Link Levels --- */
.internal-link-line.level-1 {
  opacity: 1;
}

.internal-link-line.level-2 {
  opacity: 0.6;
}

.internal-link-line.level-3 {
  opacity: 0.35;
}

.internal-link-target.level-1 {
  opacity: 1;
}

.internal-link-target.level-2 {
  opacity: 0.6;
}

.internal-link-target.level-3 {
  opacity: 0.35;
}

/* --- Loading Indicator --- */
#loading-indicator {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: var(--color-background);
  border: var(--border-style);
  color: var(--color-text);
  padding: 20px 30px;
  z-index: 200;
  display: none;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* --- Responsive Design --- */
@media (max-width: 768px) {
  #container {
    flex-direction: column;
  }

  #controls {
    width: 100%;
    max-height: 300px;
    border-right: none;
    border-bottom: var(--border-style);
  }

  #visualization-area {
    flex-grow: 1;
  }
}