/* Port Styles */
.port {
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--node-editor-control-background, #ffffff);
  border: var(--node-editor-input-border);
  cursor: crosshair;
  transition:
    transform 0.1s ease,
    box-shadow 0.1s ease;
  z-index: 10;
  pointer-events: all;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
}

.port:hover {
  transform: scale(1.3);
  box-shadow: 0 0 0.5em rgba(0, 0, 0, 0.3);
}

.port[data-port-type="input"] {
  border-color: var(--node-editor-node-port-input-color, #66cc00);
}

.port[data-port-type="output"] {
  border-color: var(--node-editor-node-port-output-color, #0099ff);
}

.port[data-port-position="left"] {
  left: -6px;
}

.port[data-port-position="right"] {
  right: -6px;
}

.port[data-port-position="top"] {
  top: -6px;
}

.port[data-port-position="bottom"] {
  bottom: -6px;
}

.portInner {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 6px;
  height: 6px;
  background-color: var(--node-editor-secondary-label-color, #999);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: background-color 0.1s ease;
}

.port:hover .portInner,
.port[data-port-hovered="true"] .portInner {
  background-color: var(--node-editor-accent-color, #0066cc);
}

.port[data-port-connecting="true"] {
  transform: scale(1.5);
  animation: pulse 1s infinite;
}

.port[data-port-connectable="true"] {
  border-color: var(--node-editor-accent-color, #0066cc);
  transform: scale(1.1);
  animation: pulse-connectable 1s infinite;
}

.port[data-port-candidate="true"] {
  border-color: var(--node-editor-accent-color, #0066cc);
  box-shadow: 0 0 0.5em rgba(0, 102, 204, 0.5);
  transform: scale(1.3);
}

.port[data-port-connected="true"] .portInner {
  background-color: var(--node-editor-success-color, #34c759);
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(0, 102, 204, 0.7);
  }

  70% {
    box-shadow: 0 0 0 10px rgba(0, 102, 204, 0);
  }

  100% {
    box-shadow: 0 0 0 0 rgba(0, 102, 204, 0);
  }
}

@keyframes pulse-connectable {
  0% {
    box-shadow: 0 0 0 2px rgba(0, 102, 204, 0.3), 0 0 0 2px rgba(0, 102, 204, 0.7);
  }

  70% {
    box-shadow: 0 0 0 2px rgba(0, 102, 204, 0.3), 0 0 0 10px rgba(0, 102, 204, 0);
  }

  100% {
    box-shadow: 0 0 0 2px rgba(0, 102, 204, 0.3), 0 0 0 2px rgba(0, 102, 204, 0);
  }
}

/* Port Labels */
.portLabel {
  position: absolute;
  font-size: 10px;
  color: var(--node-editor-secondary-label-color, #666);
  white-space: nowrap;
  pointer-events: none;
  background-color: var(--node-editor-control-background, #ffffff);
  padding: 2px 4px;
  border-radius: 3px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  box-sizing: border-box;
}

.portLabel[data-port-label-position="left"] {
  right: 100%;
  margin-right: 4px;
}

.portLabel[data-port-label-position="right"] {
  left: 100%;
  margin-left: 4px;
}

.portLabel[data-port-label-position="top"] {
  bottom: 100%;
  margin-bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
}

.portLabel[data-port-label-position="bottom"] {
  top: 100%;
  margin-top: 4px;
  left: 50%;
  transform: translateX(-50%);
}