/* Knowledge Graph Studio */

.kgs-app {
  height: 100%;
  display: grid;
  grid-template-columns: 248px minmax(0, 1fr);
  background: var(--panel, #f8fafc);
  color: var(--ink, #111827);
}

.kgs-nav {
  border-right: 1px solid var(--border, #d7dde7);
  background: color-mix(in srgb, var(--panel, #fff) 92%, #0f766e 8%);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  overflow: auto;
}

.kgs-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 6px 14px;
  border-bottom: 1px solid var(--border, #d7dde7);
  margin-bottom: 8px;
}

.kgs-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: #0f766e;
  color: #fff;
}

.kgs-brand strong,
.kgs-brand span {
  display: block;
}

.kgs-brand span {
  font-size: 12px;
  color: var(--ink-soft, #64748b);
}

.kgs-tab {
  border: 1px solid transparent;
  background: transparent;
  color: inherit;
  text-align: left;
  padding: 9px 10px;
  border-radius: 8px;
  cursor: pointer;
  font: inherit;
}

.kgs-tab:hover,
.kgs-tab.active {
  background: var(--panel, #fff);
  border-color: var(--border, #d7dde7);
}

.kgs-main {
  position: relative;
  min-width: 0;
  overflow: auto;
  padding: 18px;
}

.kgs-section {
  max-width: 1100px;
  margin: 0 auto;
}

.kgs-section-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

.kgs-section-head h2 {
  margin: 0 0 4px;
  font-size: 22px;
  letter-spacing: 0;
}

.kgs-section-head p,
.kgs-row p {
  margin: 0;
  color: var(--ink-soft, #64748b);
  line-height: 1.45;
}

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

.kgs-input,
.kgs-textarea {
  border: 1px solid var(--border, #cbd5e1);
  background: var(--panel, #fff);
  color: inherit;
  border-radius: 8px;
  padding: 9px 10px;
  font: inherit;
}

.kgs-input {
  min-width: 260px;
  flex: 1 1 280px;
}

.kgs-input.small {
  min-width: 150px;
  flex: 0 1 190px;
}

.kgs-input.save {
  min-width: 190px;
  flex: 0 1 220px;
}

.kgs-textarea {
  width: 100%;
  resize: vertical;
  margin-bottom: 12px;
}

.kgs-list {
  display: grid;
  gap: 8px;
}

.kgs-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  border: 1px solid var(--border, #d7dde7);
  background: var(--panel, #fff);
  border-radius: 8px;
  padding: 12px;
}

.kgs-row.warning {
  border-color: #f59e0b;
}

.kgs-row strong,
.kgs-row small {
  display: block;
}

.kgs-row small {
  color: var(--ink-soft, #64748b);
  margin-top: 3px;
}

.kgs-row-side {
  display: flex;
  gap: 6px;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
}

.kgs-chip {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  border-radius: 999px;
  border: 1px solid var(--border, #d7dde7);
  padding: 3px 8px;
  font-size: 12px;
  background: #ecfeff;
  color: #155e75;
}

.kgs-chip.muted {
  background: #f1f5f9;
  color: #475569;
}

.kgs-chip.warn {
  background: #fffbeb;
  color: #92400e;
  border-color: #fbbf24;
}

.kgs-chip.bad {
  background: #fef2f2;
  color: #991b1b;
  border-color: #fca5a5;
}

.kgs-stats {
  display: flex;
  gap: 8px;
  margin: 8px 0 12px;
}

.kgs-stats span {
  border: 1px solid var(--border, #d7dde7);
  background: var(--panel, #fff);
  border-radius: 8px;
  padding: 8px 10px;
}

.kgs-graph-wrap,
.kgs-empty,
.kgs-answer {
  border: 1px solid var(--border, #d7dde7);
  background: var(--panel, #fff);
  border-radius: 8px;
  padding: 14px;
}

.kgs-empty {
  color: var(--ink-soft, #64748b);
}

.kgs-graph-svg {
  display: block;
  width: 100%;
  min-height: 340px;
}

.kgs-edge {
  stroke: #94a3b8;
  stroke-width: 1.4;
}

.kgs-edge-label {
  fill: #475569;
  font-size: 10px;
  text-anchor: middle;
  paint-order: stroke;
  stroke: var(--panel, #fff);
  stroke-width: 4px;
}

.kgs-node circle {
  fill: #0f766e;
  stroke: var(--panel, #fff);
  stroke-width: 3;
}

.kgs-node.seed circle {
  fill: #7c3aed;
}

.kgs-node text {
  fill: #fff;
  font-size: 10px;
  font-weight: 700;
  text-anchor: middle;
  pointer-events: none;
}

.kgs-loading,
.kgs-error {
  position: sticky;
  top: 0;
  z-index: 2;
  margin-bottom: 10px;
  border-radius: 8px;
  padding: 8px 10px;
}

.kgs-loading {
  background: #ecfeff;
  color: #155e75;
}

.kgs-error {
  background: #fef2f2;
  color: #991b1b;
}

.kgs-answer h3,
.kgs-answer h4 {
  margin: 0 0 8px;
}

.kgs-answer .kgs-list {
  margin-top: 8px;
}

@media (max-width: 820px) {
  .kgs-app {
    grid-template-columns: 1fr;
  }

  .kgs-nav {
    border-right: 0;
    border-bottom: 1px solid var(--border, #d7dde7);
    max-height: 230px;
  }

  .kgs-row {
    grid-template-columns: 1fr;
  }

  .kgs-row-side {
    justify-content: flex-start;
  }
}