.vflow {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  padding: 8px 12px 12px;
}

.vflow-caption {
  margin: 0 0 8px;
  text-align: center;
  font-family: 'Georgia', serif;
  font-size: 13px;
  font-style: italic;
  color: rgba(201, 169, 110, 0.65);
  flex-shrink: 0;
}

.vflow-empty {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px;
  text-align: center;
  color: rgba(201, 169, 110, 0.6);
  font-family: 'Georgia', serif;
}

.vflow-canvas {
  position: relative;
  flex: 1;
  min-height: 0;
  width: 100%;
  border-radius: 8px;
  background:
    radial-gradient(ellipse 70% 80% at 50% 0%, rgba(201, 169, 110, 0.07), transparent 70%),
    rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(201, 169, 110, 0.12);
  overflow: hidden;
  cursor: grab;
  touch-action: none;
}

.vflow-canvas.vflow-panning {
  cursor: grabbing;
}

.vflow-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.vflow-stream {
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0.72;
  cursor: pointer;
  transition: opacity 0.15s ease, filter 0.15s ease;
  vector-effect: non-scaling-stroke;
}

.vflow-stream-highlighted {
  opacity: 1;
  filter: brightness(1.15);
}

.vflow-branch {
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0.95;
  pointer-events: none;
  vector-effect: non-scaling-stroke;
}

.vflow-branch-highlighted {
  opacity: 1;
  filter: brightness(1.25) drop-shadow(0 0 4px rgba(255, 230, 180, 0.45));
}

.vflow-label {
  position: absolute;
  z-index: 4;
  transform: translate(-50%, 50%);
  margin: 0;
  padding: 2px 8px;
  border: none;
  border-radius: 4px;
  background: rgba(12, 12, 22, 0.72);
  color: rgba(245, 230, 200, 0.95);
  font-family: 'Georgia', serif;
  font-size: 12px;
  white-space: nowrap;
  cursor: pointer;
  pointer-events: auto;
}

.vflow-label:hover {
  background: rgba(30, 28, 40, 0.9);
  color: #fff6e0;
}