:root {
  --kg-bg: #061015;
  --kg-panel: rgba(11, 25, 31, 0.82);
  --kg-panel-strong: rgba(15, 36, 45, 0.94);
  --kg-border: rgba(124, 230, 255, 0.2);
  --kg-text: #eefcf8;
  --kg-muted: rgba(222, 247, 242, 0.68);
  --kg-soft: rgba(222, 247, 242, 0.45);
  --kg-teal: #45d7eb;
  --kg-orange: #f6a75e;
  --kg-green: #8fe0a3;
  --kg-red: #ff8080;
  --kg-purple: #bca7ff;
}

.kg-page {
  min-height: 100vh;
  background: var(--kg-bg);
  color: var(--kg-text);
}

.kg-page-standalone .kg-site-header-hidden {
  display: none;
}

.kg-back,
.kg-help,
.kg-tour {
  position: fixed;
  z-index: 30;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  min-height: 2.4rem;
  padding: 0 0.95rem;
  border: 1px solid var(--kg-border);
  border-radius: 999px;
  background: rgba(6, 17, 22, 0.82);
  color: var(--kg-text);
  font: 800 0.82rem/1 "Bricolage Grotesque", sans-serif;
  cursor: pointer;
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}

.kg-back {
  top: 1rem;
  left: 1rem;
  text-decoration: none;
}

.kg-back:hover {
  border-color: var(--kg-teal);
  color: var(--kg-teal);
}

.kg-back-arrow {
  font-size: 1.3rem;
  line-height: 1;
}

.kg-help,
.kg-tour {
  top: 1rem;
  padding: 0 0.8rem;
  font-size: 0.78rem;
}

.kg-help {
  right: 8.4rem;
  border-color: rgba(69, 215, 235, 0.45);
  color: var(--kg-teal);
  background: rgba(69, 215, 235, 0.08);
}

.kg-tour {
  right: 1rem;
  border-color: rgba(246, 167, 94, 0.55);
  color: #ffd1a0;
  background: rgba(246, 167, 94, 0.1);
}

.kg-help:hover,
.kg-tour:hover {
  color: var(--kg-text);
  border-color: var(--kg-text);
}

.kg-manual {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: grid;
  place-items: center;
  padding: clamp(1rem, 3vw, 2.5rem);
  background: rgba(3, 9, 12, 0.62);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.kg-manual[hidden] {
  display: none;
}

.kg-manual-card {
  width: min(720px, 100%);
  max-height: calc(100vh - 3rem);
  display: flex;
  flex-direction: column;
  border: 1px solid var(--kg-border);
  border-radius: 22px;
  background: linear-gradient(135deg, rgba(10, 24, 31, 0.96), rgba(12, 31, 39, 0.86));
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
}

.kg-manual-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 1.4rem 0.65rem;
  border-bottom: 1px solid rgba(124, 230, 255, 0.18);
}

.kg-manual-head h2 {
  margin: 0;
  font-size: 1.15rem;
}

.kg-manual-x {
  width: 2rem;
  height: 2rem;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--kg-text);
  font-size: 1.15rem;
  cursor: pointer;
}

.kg-manual-x:hover {
  border-color: var(--kg-orange);
  color: var(--kg-orange);
}

.kg-manual-body {
  overflow: auto;
  padding: 0.9rem 1.4rem 1.1rem;
  color: var(--kg-muted);
  line-height: 1.75;
}

.kg-manual-body h3 {
  margin: 1rem 0 0.35rem;
  color: var(--kg-teal);
  font-size: 0.98rem;
}

.kg-manual-body h3:first-child {
  margin-top: 0;
}

.kg-manual-body p,
.kg-manual-body li {
  font-size: 0.9rem;
}

.kg-manual-body ol,
.kg-manual-body ul {
  margin: 0.3rem 0 0.8rem;
  padding-left: 1.2rem;
}

.kg-manual-body b {
  color: var(--kg-text);
}

.kg-manual-note {
  margin-top: 0.9rem;
  padding: 0.65rem 0.8rem;
  border: 1px solid rgba(246, 167, 94, 0.4);
  border-radius: 12px;
  background: rgba(246, 167, 94, 0.08);
  color: #ffe0bd;
  font-size: 0.82rem;
}

.kg-manual-foot {
  display: flex;
  justify-content: flex-end;
  gap: 0.6rem;
  padding: 0.8rem 1.4rem 1.1rem;
  border-top: 1px solid rgba(124, 230, 255, 0.18);
}

.kg-manual-tour {
  padding: 0.55rem 1rem;
  border: 1px solid var(--kg-orange);
  border-radius: 999px;
  background: rgba(246, 167, 94, 0.18);
  color: #ffe0bd;
  font-weight: 800;
  cursor: pointer;
}

.kg-manual-tour:hover {
  background: var(--kg-orange);
  color: #0c1014;
}

.kg-tour-overlay {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: none;
  pointer-events: none;
}

.kg-tour-overlay.on {
  display: block;
}

.kg-tour-dim {
  position: absolute;
  inset: 0;
  background: rgba(3, 9, 12, 0.42);
  pointer-events: auto;
}

.kg-tour-highlight {
  position: absolute;
  border: 2px solid var(--kg-orange);
  border-radius: 12px;
  box-shadow: 0 0 0 9999px rgba(3, 9, 12, 0.22), 0 0 28px rgba(246, 167, 94, 0.4);
  pointer-events: none;
  transition: all 0.18s ease;
}

.kg-tour-card {
  position: absolute;
  width: min(360px, calc(100vw - 24px));
  padding: 15px 16px;
  border: 1px solid var(--kg-border);
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(10, 24, 31, 0.96), rgba(12, 31, 39, 0.86));
  box-shadow: 0 24px 60px -22px rgba(0, 0, 0, 0.55);
  pointer-events: auto;
}

.kg-tour-card h3 {
  margin: 0 0 6px;
  color: var(--kg-orange);
  font-size: 0.98rem;
}

.kg-tour-card p {
  margin: 0;
  color: var(--kg-muted);
  font-size: 0.84rem;
  line-height: 1.7;
}

.kg-tour-step {
  margin-top: 9px;
  color: var(--kg-soft);
  font: 800 0.7rem/1 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.kg-tour-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.4rem;
  margin-top: 0.85rem;
}

.kg-tour-actions button {
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--kg-border);
  border-radius: 999px;
  background: rgba(6, 17, 22, 0.7);
  color: var(--kg-muted);
  font-size: 0.78rem;
  cursor: pointer;
}

.kg-tour-actions button.primary {
  border-color: var(--kg-orange);
  background: var(--kg-orange);
  color: #0c1014;
  font-weight: 800;
}

.kg-tour-actions button:hover:not(.primary) {
  border-color: var(--kg-text);
  color: var(--kg-text);
}

.kg-backdrop {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 18% 20%, rgba(69, 215, 235, 0.24), transparent 28rem),
    radial-gradient(circle at 82% 18%, rgba(246, 167, 94, 0.13), transparent 26rem),
    radial-gradient(circle at 50% 86%, rgba(143, 224, 163, 0.12), transparent 30rem),
    linear-gradient(135deg, rgba(4, 8, 11, 0.92), rgba(9, 19, 24, 0.98));
}

.kg-shell,
.kg-footer {
  position: relative;
  z-index: 1;
}

.kg-shell {
  width: min(1760px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 7.2rem 0 2rem;
}

.kg-page-standalone .kg-shell {
  padding-top: 4.6rem;
}

.kg-hero {
  display: grid;
  gap: 1rem;
  margin-bottom: 1rem;
  padding: clamp(1.5rem, 3vw, 2.6rem);
  border: 1px solid var(--kg-border);
  border-radius: 28px;
  background: linear-gradient(135deg, rgba(8, 20, 26, 0.9), rgba(10, 29, 36, 0.72));
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.34);
}

.kg-eyebrow {
  margin: 0;
  color: var(--kg-teal);
  font: 800 0.78rem/1.2 "Bricolage Grotesque", sans-serif;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.kg-hero h1 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 5.5rem);
  line-height: 0.95;
  letter-spacing: -0.05em;
}

.kg-hero p {
  max-width: 66rem;
  margin: 0;
  color: var(--kg-muted);
  font-size: clamp(1rem, 1.4vw, 1.2rem);
  line-height: 1.8;
}

.kg-actions,
.kg-toolbar-controls,
.kg-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: end;
}

.kg-actions label,
.kg-toolbar-controls label,
.kg-filters label {
  display: grid;
  gap: 0.35rem;
  color: var(--kg-muted);
  font-size: 0.78rem;
}

.kg-actions select,
.kg-actions button,
.kg-toolbar-controls select,
.kg-filters select,
.kg-search input,
.kg-detail button {
  min-height: 2.55rem;
  border: 1px solid var(--kg-border);
  border-radius: 12px;
  background: rgba(2, 9, 12, 0.78);
  color: var(--kg-text);
  padding: 0 0.85rem;
}

.kg-actions button,
.kg-detail button {
  cursor: pointer;
  font-weight: 800;
}

.kg-actions button:hover,
.kg-detail button:not(:disabled):hover {
  border-color: var(--kg-teal);
  color: var(--kg-teal);
}

.kg-detail button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.kg-boundary {
  margin: 1rem 0;
  padding: 1rem 1.2rem;
  border: 1px solid rgba(246, 167, 94, 0.42);
  border-radius: 18px;
  background: rgba(246, 167, 94, 0.1);
  color: #ffe0bd;
  line-height: 1.7;
}

.kg-reader {
  display: grid;
  gap: 1rem;
  margin-bottom: 1rem;
  padding: clamp(1rem, 2vw, 1.4rem);
  border: 1px solid rgba(124, 230, 255, 0.18);
  border-radius: 22px;
  background: rgba(6, 17, 22, 0.72);
  -webkit-backdrop-filter: blur(18px) saturate(1.25);
  backdrop-filter: blur(18px) saturate(1.25);
}

.kg-reader-head {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(280px, 1.1fr);
  gap: 1rem;
  align-items: end;
}

.kg-reader-head h2 {
  margin: 0.25rem 0 0;
  font-size: clamp(1.35rem, 2.4vw, 2.3rem);
  line-height: 1.08;
}

.kg-topic-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.75rem;
}

.kg-topic-card {
  display: grid;
  gap: 0.45rem;
  min-height: 9rem;
  padding: 0.95rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.035);
  color: var(--kg-muted);
  text-align: left;
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.kg-topic-card:hover,
.kg-topic-card.is-active {
  transform: translateY(-2px);
  border-color: rgba(69, 215, 235, 0.7);
  background: rgba(69, 215, 235, 0.08);
}

.kg-topic-card span {
  color: var(--kg-orange);
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
}

.kg-topic-card strong {
  color: var(--kg-text);
  font-size: 1.02rem;
}

.kg-topic-card small {
  color: var(--kg-muted);
  font-size: 0.78rem;
  line-height: 1.55;
}

.kg-path-panel {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  align-items: center;
  padding-top: 0.15rem;
}

.kg-path-label {
  color: var(--kg-soft);
  font-size: 0.78rem;
}

.kg-path-step {
  min-height: 2.15rem;
  padding: 0 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.18);
  color: var(--kg-muted);
  cursor: pointer;
}

.kg-path-step:hover,
.kg-path-step.is-active {
  border-color: var(--kg-teal);
  color: var(--kg-text);
}

.kg-summary {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 0.8rem;
  margin-bottom: 1rem;
}

.kg-card,
.kg-panel {
  border: 1px solid var(--kg-border);
  background: var(--kg-panel);
  -webkit-backdrop-filter: blur(18px) saturate(1.4);
  backdrop-filter: blur(18px) saturate(1.4);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
}

.kg-card {
  padding: 1rem;
  border-radius: 18px;
}

.kg-card strong {
  display: block;
  margin-top: 0.35rem;
  font-size: clamp(1.4rem, 2vw, 2.2rem);
  color: var(--kg-text);
}

.kg-card span {
  color: var(--kg-muted);
  font-size: 0.82rem;
}

.kg-research {
  display: grid;
  gap: 0.9rem;
  margin-bottom: 1rem;
  padding: 1rem;
  border: 1px solid rgba(188, 167, 255, 0.24);
  border-radius: 22px;
  background: rgba(12, 14, 28, 0.66);
  -webkit-backdrop-filter: blur(18px) saturate(1.25);
  backdrop-filter: blur(18px) saturate(1.25);
}

.kg-research-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: end;
}

.kg-research-head h2 {
  margin: 0.25rem 0 0;
  font-size: clamp(1.2rem, 2vw, 2rem);
}

.kg-quality-strip,
.kg-quality-notes {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  justify-content: flex-end;
}

.kg-quality-notes {
  justify-content: flex-start;
}

.kg-status {
  display: inline-flex;
  min-height: 1.85rem;
  align-items: center;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--kg-muted);
  font-size: 0.76rem;
  font-weight: 800;
}

.kg-status.ok {
  border-color: rgba(143, 224, 163, 0.45);
  color: var(--kg-green);
  background: rgba(143, 224, 163, 0.08);
}

.kg-status.warn {
  border-color: rgba(246, 167, 94, 0.52);
  color: #ffd1a0;
  background: rgba(246, 167, 94, 0.09);
}

.kg-status.neutral {
  border-color: rgba(124, 230, 255, 0.28);
  color: var(--kg-teal);
  background: rgba(69, 215, 235, 0.07);
}

.kg-research-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.75rem;
}

.kg-research-card {
  display: grid;
  gap: 0.55rem;
  padding: 0.85rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.035);
}

.kg-research-card > span {
  color: var(--kg-purple);
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
}

.kg-research-card > strong {
  color: var(--kg-text);
}

.kg-research-tasks {
  display: grid;
  gap: 0.45rem;
}

.kg-research-tasks button {
  display: grid;
  gap: 0.25rem;
  padding: 0.65rem;
  border: 1px solid rgba(188, 167, 255, 0.18);
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.18);
  color: var(--kg-muted);
  text-align: left;
  cursor: pointer;
}

.kg-research-tasks button:hover {
  border-color: var(--kg-purple);
  color: var(--kg-text);
}

.kg-research-tasks b {
  color: var(--kg-orange);
  font-size: 0.76rem;
}

.kg-research-tasks span {
  display: -webkit-box;
  overflow: hidden;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  font-size: 0.78rem;
  line-height: 1.45;
}

.kg-workspace {
  display: grid;
  grid-template-columns: minmax(280px, 0.8fr) minmax(520px, 1.55fr) minmax(320px, 0.95fr);
  gap: 1rem;
  align-items: start;
}

.kg-panel {
  border-radius: 22px;
  padding: 1rem;
}

.kg-panel h2 {
  margin: 0;
  font-size: 1rem;
}

.kg-panel-head,
.kg-toolbar {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
}

.kg-check {
  display: inline-flex !important;
  grid-template-columns: none !important;
  flex-direction: row;
  gap: 0.5rem !important;
  align-items: center !important;
  color: var(--kg-muted);
}

.kg-candidate {
  padding: 0.7rem 0.8rem;
  border: 1px solid rgba(246, 167, 94, 0.38);
  border-radius: 999px;
  background: rgba(246, 167, 94, 0.08);
}

.kg-search {
  position: sticky;
  top: 6.2rem;
  display: grid;
  gap: 0.85rem;
  max-height: calc(100vh - 7rem);
  overflow: hidden;
}

.kg-search input[type="search"] {
  width: 100%;
}

.kg-filters {
  align-items: center;
}

.kg-results {
  display: grid;
  gap: 0.6rem;
  margin: 0;
  padding: 0 0.25rem 0 0;
  overflow: auto;
}

.kg-results li {
  display: grid;
  gap: 0.35rem;
  padding: 0.85rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.035);
  cursor: pointer;
}

.kg-results li:hover,
.kg-results li.is-selected {
  border-color: var(--kg-teal);
  background: rgba(69, 215, 235, 0.08);
}

.kg-result-title {
  color: var(--kg-text);
  font-weight: 800;
}

.kg-result-meta,
.kg-muted {
  color: var(--kg-muted);
  font-size: 0.82rem;
  line-height: 1.55;
}

.kg-result-text {
  color: var(--kg-soft);
  font-size: 0.82rem;
  line-height: 1.55;
}

.kg-graph-stack {
  display: grid;
  gap: 1rem;
}

.kg-graph-frame {
  position: relative;
  min-height: 560px;
  padding: 0;
  overflow: hidden;
}

#graphSvg {
  width: 100%;
  height: 560px;
  touch-action: none;
  cursor: grab;
}

#graphSvg.is-dragging {
  cursor: grabbing;
}

.kg-edge {
  stroke: rgba(160, 219, 225, 0.36);
  stroke-width: 1.4;
}

.kg-edge.signal {
  stroke: var(--kg-purple);
  stroke-dasharray: 2 5;
  opacity: 0.72;
}

.kg-edge.candidate {
  stroke: var(--kg-orange);
  stroke-dasharray: 6 5;
  opacity: 0.74;
}

.kg-edge.candidate.signal {
  stroke: var(--kg-purple);
}

.kg-node circle {
  stroke: rgba(255, 255, 255, 0.72);
  stroke-width: 1.1;
  filter: drop-shadow(0 0 8px rgba(69, 215, 235, 0.2));
}

.kg-node text {
  fill: var(--kg-text);
  font-size: 11px;
  paint-order: stroke;
  stroke: rgba(0, 0, 0, 0.82);
  stroke-width: 3px;
  pointer-events: none;
}

.kg-node.is-selected circle,
.kg-node:hover circle {
  stroke: #fff;
  stroke-width: 2.4;
}

.kg-node.Book circle { fill: var(--kg-teal); }
.kg-node.Chapter circle,
.kg-node.Section circle,
.kg-node.PlainTextHeading circle { fill: #5a9dff; }
.kg-node.Concept circle { fill: var(--kg-green); }
.kg-node.Equation circle { fill: var(--kg-purple); }
.kg-node.Figure circle { fill: var(--kg-orange); }
.kg-node.Reference circle,
.kg-node.Exercise circle { fill: #e47bd8; }
.kg-node.Text circle,
.kg-node.Chunk circle { fill: #9aa7b2; }

.kg-empty {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 2rem;
  color: var(--kg-muted);
  text-align: center;
}

.kg-legend {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
  color: var(--kg-muted);
  font-size: 0.82rem;
}

.kg-legend-item {
  display: flex;
  gap: 0.55rem;
  align-items: center;
}

.kg-swatch {
  width: 0.9rem;
  height: 0.9rem;
  border-radius: 999px;
  background: var(--kg-teal);
}

.kg-swatch.line {
  width: 1.7rem;
  height: 0;
  border-top: 2px solid rgba(160, 219, 225, 0.6);
  border-radius: 0;
  background: transparent;
}

.kg-swatch.signal-line {
  width: 1.7rem;
  height: 0;
  border-top: 2px dotted var(--kg-purple);
  border-radius: 0;
  background: transparent;
}

.kg-swatch.candidate-line {
  border-top-style: dashed;
  border-color: var(--kg-orange);
}

.kg-swatch.Book { background: var(--kg-teal); }
.kg-swatch.Section { background: #5a9dff; }
.kg-swatch.Concept { background: var(--kg-green); }
.kg-swatch.Equation { background: var(--kg-purple); }
.kg-swatch.Figure { background: var(--kg-orange); }

.kg-detail {
  position: sticky;
  top: 6.2rem;
  max-height: calc(100vh - 7rem);
  overflow: auto;
}

.kg-detail-content {
  display: grid;
  gap: 0.85rem;
  color: var(--kg-muted);
  line-height: 1.65;
}

.kg-detail-content h3 {
  margin: 0.6rem 0 0;
  color: var(--kg-text);
  line-height: 1.25;
}

.kg-pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.kg-pill {
  display: inline-flex;
  align-items: center;
  min-height: 1.7rem;
  padding: 0.2rem 0.55rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.055);
  color: var(--kg-muted);
  font-size: 0.75rem;
}

.kg-pill.candidate {
  border-color: rgba(246, 167, 94, 0.5);
  color: #ffd1a0;
}

.kg-pill.signal {
  border-color: rgba(188, 167, 255, 0.45);
  color: #d9ccff;
  background: rgba(188, 167, 255, 0.08);
}

.kg-pill.review {
  border-color: rgba(69, 215, 235, 0.42);
  color: var(--kg-teal);
  background: rgba(69, 215, 235, 0.07);
}

.kg-pill.trust {
  border-color: rgba(143, 224, 163, 0.42);
  color: var(--kg-green);
  background: rgba(143, 224, 163, 0.07);
}

.kg-pill.suppressed {
  border-color: rgba(255, 128, 128, 0.45);
  color: #ffb3b3;
  background: rgba(255, 128, 128, 0.08);
}

.kg-evidence,
.kg-source,
.kg-relations {
  padding: 0.8rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  background: rgba(0, 0, 0, 0.18);
}

.kg-evidence pre {
  white-space: pre-wrap;
  word-break: break-word;
  margin: 0.45rem 0 0;
  color: var(--kg-text);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.78rem;
}

.kg-rel {
  display: grid;
  gap: 0.3rem;
  padding: 0.65rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.kg-rel:first-child {
  border-top: 0;
}

.kg-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  width: min(1760px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 1rem 0 2rem;
  color: var(--kg-muted);
  font-size: 0.82rem;
}

@media (max-width: 1320px) {
  .kg-reader-head {
    grid-template-columns: 1fr;
  }

  .kg-topic-grid,
  .kg-research-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .kg-research-head {
    align-items: start;
    flex-direction: column;
  }

  .kg-summary {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .kg-workspace {
    grid-template-columns: 1fr;
  }

  .kg-search,
  .kg-detail {
    position: static;
    max-height: none;
  }
}

@media (max-width: 760px) {
  .kg-shell {
    width: min(100vw - 20px, 1760px);
    padding-top: 6.4rem;
  }

  .kg-page-standalone .kg-shell {
    padding-top: 4.4rem;
  }

  .kg-back,
  .kg-help,
  .kg-tour {
    min-height: 2.1rem;
    padding: 0 0.6rem;
    font-size: 0.72rem;
  }

  .kg-back {
    top: 0.6rem;
    left: 0.6rem;
  }

  .kg-help,
  .kg-tour {
    top: 0.6rem;
    right: 0.6rem;
  }

  .kg-help {
    right: 6.6rem;
  }

  .kg-topic-grid,
  .kg-research-grid,
  .kg-summary,
  .kg-legend {
    grid-template-columns: 1fr;
  }

  .kg-topic-card {
    min-height: 7.2rem;
  }

  .kg-panel-head,
  .kg-toolbar {
    align-items: start;
    flex-direction: column;
  }

  .kg-graph-frame,
  #graphSvg {
    min-height: 520px;
    height: 520px;
  }

  .kg-footer {
    flex-direction: column;
    width: min(100vw - 20px, 1760px);
  }
}