.flow-editor-main {
  display: flex;
  flex: 1 1 auto;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(248, 250, 252, 0.92), rgba(241, 245, 249, 0.96)),
    radial-gradient(circle at top left, rgba(14, 165, 233, 0.08), transparent 24%);
}

.flow-editor-canvas-shell {
  display: flex;
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  flex-direction: column;
}

.flow-editor-canvas {
  flex: 1 1 auto;
  min-height: 0;
}

.flow-editor-assistant {
  display: flex;
  flex: 0 0 380px;
  width: 380px;
  min-width: 320px;
  max-width: 420px;
  height: 100%;
  min-height: 0;
  background: #fff;
  overflow: hidden;
}

.flow-editor-empty {
  display: flex;
  flex: 1 1 auto;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 12px;
  padding: 32px;
  text-align: center;
  color: #475569;
}

.flow-editor-empty h2 {
  margin: 0;
  font-size: 28px;
  font-weight: 800;
  color: #0f172a;
}

.flow-editor-empty p {
  margin: 0;
  max-width: 420px;
  line-height: 1.5;
}

@media (max-width: 1100px) {
  .flow-editor-main {
    flex-direction: column;
  }

  .flow-editor-assistant {
    flex: 0 0 auto;
    width: 100%;
    max-width: none;
    min-width: 0;
    height: 42vh;
  }
}