.kg-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.kg-header {
  padding: 24px clamp(20px, 4vw, 48px) 16px;
  max-width: 1600px;
  margin: 0 auto;
  width: 100%;
}

.kg-title {
  font-family: var(--serif);
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 400;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.kg-title em {
  font-style: italic;
  color: var(--accent);
}

.kg-sub {
  color: var(--text-2);
  font-size: 0.92rem;
  max-width: 62ch;
  line-height: 1.55;
}

.kg-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.kg-stat {
  font-family: var(--mono);
  font-size: 0.68rem;
  padding: 5px 10px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text-2);
}

.kg-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  padding: 0 clamp(20px, 4vw, 48px) 12px;
  max-width: 1600px;
  margin: 0 auto;
  width: 100%;
}

.kg-search {
  flex: 1 1 220px;
  min-width: 0;
  padding: 9px 12px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-h);
  background: var(--card);
  font-family: var(--sans);
  font-size: 0.86rem;
}

.kg-search:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-10);
}

.kg-filter-group {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.kg-filter-btn {
  padding: 6px 12px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border);
  background: var(--card);
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--text-2);
  cursor: pointer;
  transition: var(--transition-interactive);
}

.kg-filter-btn.is-active {
  background: var(--text);
  border-color: var(--text);
  color: var(--white);
}

.kg-canvas-wrap {
  position: relative;
  flex: 1;
  min-height: 60vh;
  margin: 0 clamp(12px, 2vw, 24px) 24px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background:
    radial-gradient(circle at 20% 20%, rgba(196, 135, 62, 0.05), transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(26, 92, 82, 0.05), transparent 35%),
    var(--card);
  overflow: hidden;
}

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

.kg-canvas-wrap svg:active {
  cursor: grabbing;
}

.kg-node circle {
  stroke: rgba(255, 255, 255, 0.85);
  stroke-width: 1.5px;
  transition: stroke-width 0.15s ease;
}

.kg-node.is-focused circle {
  stroke-width: 3px;
  stroke: var(--text);
}

.kg-node.is-dimmed {
  opacity: 0.12;
}

.kg-link {
  stroke: rgba(15, 14, 12, 0.12);
  stroke-opacity: 0.7;
}

.kg-link.is-highlight {
  stroke: rgba(196, 135, 62, 0.55);
  stroke-opacity: 1;
  stroke-width: 2px;
}

.kg-link.is-dimmed {
  opacity: 0.04;
}

.kg-label {
  font-family: var(--sans);
  font-size: 10px;
  fill: var(--text-2);
  pointer-events: none;
  paint-order: stroke;
  stroke: rgba(249, 247, 242, 0.92);
  stroke-width: 3px;
}

.kg-panel {
  position: absolute;
  top: 12px;
  right: 12px;
  width: min(320px, calc(100% - 24px));
  max-height: calc(100% - 24px);
  overflow: auto;
  padding: 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: rgba(249, 247, 242, 0.94);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--shadow-layered);
}

.kg-panel-empty {
  color: var(--text-3);
  font-size: 0.82rem;
}

.kg-panel-type {
  font-family: var(--mono);
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-3);
  margin-bottom: 6px;
}

.kg-panel-title {
  font-family: var(--serif);
  font-size: 1.1rem;
  line-height: 1.25;
  margin-bottom: 8px;
}

.kg-panel-summary {
  font-size: 0.82rem;
  color: var(--text-2);
  line-height: 1.5;
  margin-bottom: 12px;
}

.kg-panel-links {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 12px;
}

.kg-panel-links a {
  font-size: 0.78rem;
  color: var(--accent-dark);
}

.kg-neighbor-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.kg-neighbor {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--card);
  cursor: pointer;
  text-align: left;
  font: inherit;
  color: inherit;
  transition: var(--transition-interactive);
}

.kg-neighbor:hover {
  border-color: var(--accent-30);
}

.kg-neighbor-name {
  font-size: 0.78rem;
  font-weight: 600;
}

.kg-neighbor-meta {
  font-family: var(--mono);
  font-size: 0.58rem;
  color: var(--text-3);
  white-space: nowrap;
}

.kg-loading,
.kg-error {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: var(--text-2);
}

.kg-error {
  color: #8b3a3a;
}

@media (max-width: 768px) {
  .kg-panel {
    position: static;
    width: auto;
    max-height: none;
    margin: 0 12px 12px;
  }

  .kg-canvas-wrap {
    min-height: 50vh;
  }
}