/* Force-directed view tweaks layered on top of styles.css */

#viz svg {
  width: 100%;
  height: 100%;
  display: block;
  cursor: grab;
  background: var(--bg);
}

#viz svg:active { cursor: grabbing; }

.fg-link {
  stroke: var(--node-2);
  stroke-opacity: 0.45;
  stroke-width: 1.2;
}

.fg-link.cross {
  stroke: var(--node-4);
  stroke-opacity: 0.7;
  stroke-dasharray: 4 3;
  stroke-width: 1.4;
}

.fg-node {
  cursor: pointer;
  stroke: rgba(255, 255, 255, 0.85);
  stroke-width: 1.2;
}

.fg-node:hover { stroke-width: 2.5; }

.fg-node.expanded { stroke: #fff; stroke-width: 2.5; }

.fg-label {
  fill: #fff;
  font-weight: 700;
  font-size: 12px;
  pointer-events: none;
  paint-order: stroke;
  stroke: rgba(0, 0, 0, 0.6);
  stroke-width: 3;
  stroke-linejoin: round;
}

.fg-label.small { font-size: 10px; }

.fg-legend {
  position: absolute;
  top: 12px;
  right: 12px;
  background: rgba(10, 26, 58, 0.85);
  padding: 10px 14px;
  border-radius: 6px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--fg);
  pointer-events: none;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.fg-legend .swatch {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-right: 6px;
  vertical-align: middle;
}

.fg-legend .dashed {
  display: inline-block;
  width: 14px;
  border-top: 2px dashed var(--node-4);
  margin-right: 6px;
  vertical-align: middle;
}

.fg-legend .solid {
  display: inline-block;
  width: 14px;
  border-top: 2px solid var(--node-2);
  margin-right: 6px;
  vertical-align: middle;
}

#viz { position: relative; }