diff --git a/graphfx-ui/src/App.vue b/graphfx-ui/src/App.vue
index e181794..3567126 100644
--- a/graphfx-ui/src/App.vue
+++ b/graphfx-ui/src/App.vue
@@ -19,6 +19,8 @@ const edges = ref<Edge[]>([])
 const warnings = ref<GraphFxFlowWarning[]>([])
 const layoutDirection = ref<'LR' | 'TB'>('LR')
 const preferSavedPositions = ref(false)
+const selectedSaveSlot = ref(localStorage.getItem('GRAPHFX_UI_SELECTED_SAVE_SLOT') || 'My first graph')
+const fileInput = ref<HTMLInputElement | null>(null)
 const { fitView } = useVueFlow()
 
 const stats = computed(() => ({
@@ -51,6 +53,49 @@ function loadSample() {
   refreshFlow()
 }
 
+function saveSlotKey(name = selectedSaveSlot.value) {
+  return `GRAPHFX_UI_SAVE_${name}`
+}
+
+function saveGraph() {
+  refreshFlow()
+  if (parseError.value) return
+  localStorage.setItem('GRAPHFX_UI_SELECTED_SAVE_SLOT', selectedSaveSlot.value)
+  localStorage.setItem(saveSlotKey(), JSON.stringify(graph.value, null, 2))
+}
+
+function loadGraph() {
+  const saved = localStorage.getItem(saveSlotKey())
+  if (!saved) {
+    parseError.value = `No saved graph named "${selectedSaveSlot.value}".`
+    return
+  }
+  localStorage.setItem('GRAPHFX_UI_SELECTED_SAVE_SLOT', selectedSaveSlot.value)
+  editorText.value = saved
+  refreshFlow()
+}
+
+function exportGraph() {
+  refreshFlow()
+  if (parseError.value) return
+  const blob = new Blob([JSON.stringify(graph.value, null, 2)], { type: 'application/json' })
+  const url = URL.createObjectURL(blob)
+  const link = document.createElement('a')
+  link.href = url
+  link.download = `${selectedSaveSlot.value || 'graphfx-graph'}.json`
+  link.click()
+  URL.revokeObjectURL(url)
+}
+
+async function importGraph(event: Event) {
+  const input = event.target as HTMLInputElement
+  const file = input.files?.[0]
+  if (!file) return
+  editorText.value = await file.text()
+  input.value = ''
+  refreshFlow()
+}
+
 function relayout() {
   const model = graphFxToVueFlow(graph.value)
   nodes.value = layoutGraph(model.nodes, model.edges, {
@@ -86,6 +131,15 @@ refreshFlow()
         <button type="button" class="secondary" @click="loadSample">Load sample</button>
       </div>
 
+      <div class="savebar">
+        <input v-model="selectedSaveSlot" type="text" aria-label="Save slot name" />
+        <button type="button" class="secondary" @click="loadGraph">Load</button>
+        <button type="button" class="secondary" @click="saveGraph">Save</button>
+        <button type="button" class="secondary" @click="fileInput?.click()">Import</button>
+        <button type="button" class="secondary" @click="exportGraph">Export</button>
+        <input ref="fileInput" class="visually-hidden" type="file" accept="application/json,.json" @change="importGraph" />
+      </div>
+
       <div class="options">
         <label>
           Layout
diff --git a/graphfx-ui/src/components/GraphFxNode.vue b/graphfx-ui/src/components/GraphFxNode.vue
index 68984bd..3a7c820 100644
--- a/graphfx-ui/src/components/GraphFxNode.vue
+++ b/graphfx-ui/src/components/GraphFxNode.vue
@@ -7,45 +7,64 @@ const props = defineProps<{
   data: GraphFxNodeData
 }>()
 
+function typeClass(port: GraphFxPort) {
+  return `io-type-${port.type.toLowerCase()}`
+}
+
 function valuePreview(port: GraphFxPort) {
-  if (port.output) return 'connected'
-  if (port.value === null || port.value === undefined) return 'empty'
-  if (typeof port.value === 'string') return port.value.length > 28 ? `${port.value.slice(0, 28)}…` : port.value
+  if (port.output) return ''
+  if (port.value === null || port.value === undefined) return ''
+  if (typeof port.value === 'string') return port.value.length > 24 ? `${port.value.slice(0, 24)}…` : port.value
   if (typeof port.value === 'number' || typeof port.value === 'boolean') return String(port.value)
   if (typeof port.value === 'object') return 'object'
   return String(port.value)
 }
+
+function hasCustomLabel(port: GraphFxPort) {
+  return port.label && port.label !== port.name
+}
 </script>
 
 <template>
   <article class="graphfx-node">
     <header class="graphfx-node__header">
-      <p class="graphfx-node__kind">GraphFX</p>
       <h3>{{ data.name }}</h3>
       <small>{{ data.id }}</small>
     </header>
 
     <section class="graphfx-node__ports" :class="{ 'graphfx-node__ports--empty': !data.inputs.length && !data.outputs.length }">
-      <div class="graphfx-node__column">
-        <p class="graphfx-node__column-title">Inputs</p>
-        <div v-if="!data.inputs.length" class="graphfx-node__empty">none</div>
-        <div v-for="port in data.inputs" :key="port.name" class="graphfx-node__port graphfx-node__port--input">
+      <div class="graphfx-node__column graphfx-node__column--inputs">
+        <div v-if="!data.inputs.length" class="graphfx-node__empty">no inputs</div>
+        <div
+          v-for="port in data.inputs"
+          :key="port.name"
+          class="graphfx-node__port graphfx-node__port--input"
+          :class="[typeClass(port), { 'graphfx-node__port--connected': port.output, 'graphfx-node__port--labeled': hasCustomLabel(port) }]"
+          :title="`${port.name} · ${port.type}${port.output ? ` · ${port.output}` : ''}`"
+        >
           <Handle
             type="target"
             :id="getInputHandleId(data.id, port.name)"
             :position="Position.Left"
             class="graphfx-node__handle graphfx-node__handle--input"
           />
-          <span class="graphfx-node__port-label">{{ port.label }}</span>
-          <span class="graphfx-node__port-value" :title="String(port.value ?? '')">{{ valuePreview(port) }}</span>
+          <span class="graphfx-node__port-name">{{ port.name }}</span>
+          <span v-if="hasCustomLabel(port)" class="graphfx-node__port-label">{{ port.label }}</span>
+          <span v-if="valuePreview(port)" class="graphfx-node__port-value">{{ valuePreview(port) }}</span>
         </div>
       </div>
 
       <div class="graphfx-node__column graphfx-node__column--outputs">
-        <p class="graphfx-node__column-title">Outputs</p>
-        <div v-if="!data.outputs.length" class="graphfx-node__empty">none</div>
-        <div v-for="port in data.outputs" :key="port.name" class="graphfx-node__port graphfx-node__port--output">
-          <span class="graphfx-node__port-label">{{ port.label }}</span>
+        <div v-if="!data.outputs.length" class="graphfx-node__empty">no outputs</div>
+        <div
+          v-for="port in data.outputs"
+          :key="port.name"
+          class="graphfx-node__port graphfx-node__port--output"
+          :class="[typeClass(port), { 'graphfx-node__port--labeled': hasCustomLabel(port) }]"
+          :title="`${port.name} · ${port.type}`"
+        >
+          <span class="graphfx-node__port-name">{{ port.name }}</span>
+          <span v-if="hasCustomLabel(port)" class="graphfx-node__port-label">{{ port.label }}</span>
           <Handle
             type="source"
             :id="getOutputHandleId(data.id, port.name)"
diff --git a/graphfx-ui/src/lib/graphfxToVueFlow.ts b/graphfx-ui/src/lib/graphfxToVueFlow.ts
index f17b03f..e5c911c 100644
--- a/graphfx-ui/src/lib/graphfxToVueFlow.ts
+++ b/graphfx-ui/src/lib/graphfxToVueFlow.ts
@@ -1,9 +1,12 @@
-import type { Edge, Node } from '@vue-flow/core'
+import { MarkerType, type Edge, type Node } from '@vue-flow/core'
+import { ioTypeFor, type GraphFxIoType } from './nodeDefinitions'
 
 export type GraphFxIoValue = {
   label?: string | null
   value?: unknown
   output?: string | null
+  type?: GraphFxIoType
+  definition?: { type?: GraphFxIoType }
 }
 
 export type GraphFxSerializedNode = {
@@ -27,7 +30,7 @@ export type GraphFxSerializedGraph = GraphFxSerializedNode[]
 export type GraphFxPort = {
   name: string
   label: string
-  type?: string
+  type: GraphFxIoType
   output?: string | null
   value?: unknown
 }
@@ -63,14 +66,25 @@ export function getOutputHandleId(nodeId: string, outputName: string) {
   return `${nodeId}:out:${outputName}`
 }
 
+const ioTypeColors: Record<GraphFxIoType, string> = {
+  Image: '#4dd7ff',
+  Number: '#f6c85f',
+  String: '#9ee66f',
+  Boolean: '#c084fc',
+  Color: '#ff78b7',
+  Font: '#fb923c',
+  Unknown: '#94a3b8',
+}
+
 function labelFor(name: string, io?: GraphFxIoValue) {
   return io?.label || name
 }
 
-function toPorts(record: Record<string, GraphFxIoValue> | undefined, direction: 'in' | 'out') {
+function toPorts(nodeName: string, record: Record<string, GraphFxIoValue> | undefined, direction: 'in' | 'out') {
   return Object.entries(record || {}).map(([name, io]) => ({
     name,
     label: labelFor(name, io),
+    type: ioTypeFor(nodeName, direction, name, io?.type || io?.definition?.type),
     output: direction === 'in' ? io?.output || null : null,
     value: direction === 'in' ? io?.value : undefined,
   }))
@@ -121,8 +135,8 @@ export function graphFxToVueFlow(graph: GraphFxSerializedGraph): GraphFxFlowMode
     .filter((item) => item?.node?.id && item.node.name)
     .map((item, index) => {
       const { hasSavedPosition, position } = savedPosition(item, index)
-      const inputs = toPorts(item.node.options?.in, 'in')
-      const outputs = toPorts(item.node.options?.out, 'out')
+      const inputs = toPorts(item.node.name, item.node.options?.in, 'in')
+      const outputs = toPorts(item.node.name, item.node.options?.out, 'out')
 
       return {
         id: item.node.id,
@@ -159,15 +173,20 @@ export function graphFxToVueFlow(graph: GraphFxSerializedGraph): GraphFxFlowMode
         continue
       }
 
+      const sourceNode = nodes.find((node) => node.id === source.nodeId)
+      const sourcePort = sourceNode?.data?.outputs.find((output) => output.name === source.outputName)
+      const edgeColor = ioTypeColors[sourcePort?.type || 'Unknown']
+
       edges.push({
         id: `${source.nodeId}:${source.outputName}->${item.node.id}:${inputName}`,
         source: source.nodeId,
         target: item.node.id,
         sourceHandle: getOutputHandleId(source.nodeId, source.outputName),
         targetHandle: getInputHandleId(item.node.id, inputName),
-        label: inputName,
         type: 'smoothstep',
         animated: false,
+        style: { stroke: edgeColor, strokeWidth: 2.8 },
+        markerEnd: { type: MarkerType.ArrowClosed, color: edgeColor },
       })
     }
   }
diff --git a/graphfx-ui/src/lib/nodeDefinitions.ts b/graphfx-ui/src/lib/nodeDefinitions.ts
new file mode 100644
index 0000000..f8b3603
--- /dev/null
+++ b/graphfx-ui/src/lib/nodeDefinitions.ts
@@ -0,0 +1,137 @@
+export type GraphFxIoType = 'Image' | 'Number' | 'String' | 'Boolean' | 'Color' | 'Font' | 'Unknown'
+
+export type GraphFxNodeDefinition = {
+  in?: Record<string, GraphFxIoType>
+  out?: Record<string, GraphFxIoType>
+}
+
+const imageDimensions = {
+  image: 'Image',
+  width: 'Number',
+  height: 'Number',
+} as const
+
+const canvas2dBase = {
+  in: { image: 'Image', width: 'Number' },
+  out: imageDimensions,
+} as const
+
+const webglBase = {
+  in: { image: 'Image' },
+  out: imageDimensions,
+} as const
+
+export const graphFxNodeDefinitions: Record<string, GraphFxNodeDefinition> = {
+  Webcam: { out: { image: 'Image', width: 'Number', height: 'Number', camera: 'String' } },
+  Resize: { in: { ...canvas2dBase.in, height: 'Number' }, out: canvas2dBase.out },
+  Compose: {
+    in: {
+      ...canvas2dBase.in,
+      height: 'Number',
+      fg: 'Image',
+      fgX: 'Number',
+      fgY: 'Number',
+      bg: 'Image',
+      bgX: 'Number',
+      bgY: 'Number',
+      background: 'Image',
+      overlay: 'Image',
+      qr: 'Image',
+    },
+    out: { image: 'Image' },
+  },
+  Fill: { in: { ...canvas2dBase.in, height: 'Number', color: 'Color' }, out: canvas2dBase.out },
+  Flip: { in: { ...canvas2dBase.in, horizontal: 'Boolean', vertical: 'Boolean' }, out: canvas2dBase.out },
+  Rotate: { in: { ...canvas2dBase.in, angle: 'Number' }, out: canvas2dBase.out },
+  Text: {
+    in: {
+      ...canvas2dBase.in,
+      text: 'String',
+      fontSize: 'Number',
+      fontStyle: 'String',
+      font: 'Font',
+      color: 'Color',
+      x: 'Number',
+      y: 'Number',
+    },
+    out: canvas2dBase.out,
+  },
+  EmptySpace: { out: { w: 'Number', h: 'Number', top: 'Number', right: 'Number', bottom: 'Number', left: 'Number' } },
+
+  BrightnessContrast: { in: { ...webglBase.in, brightness: 'Number', contrast: 'Number' }, out: webglBase.out },
+  HSV: { in: { ...webglBase.in, hue: 'Number', saturation: 'Number', value: 'Number' }, out: webglBase.out },
+  Sepia: { in: { ...webglBase.in, amount: 'Number' }, out: webglBase.out },
+  GreenScreen: {
+    in: {
+      ...webglBase.in,
+      mask: 'Image',
+      feather: 'Number',
+      balance: 'Number',
+      screen: 'Color',
+      screenWeight: 'Number',
+      clipBlack: 'Number',
+      clipWhite: 'Number',
+    },
+    out: webglBase.out,
+  },
+  Channels: { in: { ...webglBase.in, red: 'Number', green: 'Number', blue: 'Number', alpha: 'Number', amount: 'Number' }, out: webglBase.out },
+  GradientMap: { in: { ...webglBase.in, amount: 'Number', map: 'Image' }, out: webglBase.out },
+  ColorLookupTable: { in: { ...webglBase.in, amount: 'Number', map: 'Image' }, out: webglBase.out },
+  Vignette: { in: { ...webglBase.in, amount: 'Number', size: 'Number' }, out: webglBase.out },
+  Blur: { in: { ...webglBase.in, radius: 'Number', sigma: 'Number', passes: 'Number' }, out: webglBase.out },
+  SoftEdge: { in: { ...webglBase.in, radius: 'Number', sigma: 'Number', passes: 'Number' }, out: webglBase.out },
+  Edge: { in: { ...webglBase.in, dx: 'Number', dy: 'Number' }, out: webglBase.out },
+  KernelPreset: { in: { ...webglBase.in, preset: 'String', passes: 'Number', multiplier: 'Number' }, out: webglBase.out },
+  Levels: { in: { ...webglBase.in, shadow: 'Number', gamma: 'Number', highlight: 'Number', dark: 'Number', light: 'Number' }, out: webglBase.out },
+  LevelsAuto: { in: webglBase.in, out: webglBase.out },
+  Tint: { in: { ...webglBase.in, amount: 'Number', color: 'Color' }, out: webglBase.out },
+
+  BodySegmentation: { in: { image: 'Image', maskBlurAmount: 'Number', foregroundThreshold: 'Number' }, out: imageDimensions },
+  BodyPartSegmentation: { in: { image: 'Image', maskBlurAmount: 'Number', foregroundThreshold: 'Number' }, out: imageDimensions },
+  FaceFeaturePosition: {
+    in: { image: 'Image', modelUrl: 'String' },
+    out: {
+      image: 'Image',
+      faceX: 'Number',
+      faceY: 'Number',
+      faceWidth: 'Number',
+      faceHeight: 'Number',
+      rightEyeX: 'Number',
+      rightEyeY: 'Number',
+      leftEyeX: 'Number',
+      leftEyeY: 'Number',
+    },
+  },
+
+  Numbers: { in: { x: 'Number', y: 'Number', z: 'Number' }, out: { x: 'Number', y: 'Number', z: 'Number' } },
+  NumberBinaryOperation: { in: { x: 'Number', y: 'Number', operation: 'String' }, out: { result: 'Number' } },
+  Font: { in: { fontSize: 'Number', fontStyle: 'String', font: 'Font' }, out: { fontSize: 'Number', fontStyle: 'String', font: 'Font' } },
+  Disable: { in: { image: 'Image', disabled: 'Boolean' }, out: imageDimensions },
+  Api: {
+    in: Object.fromEntries([...Array(8)].flatMap((_, i) => [[`name${i}`, 'String'], [`image${i}`, 'Image']]).concat([['image', 'Image'], ['endpoint', 'String']])) as Record<string, GraphFxIoType>,
+    out: { image: 'Image', response: 'String' },
+  },
+  ApiJson: {
+    in: Object.fromEntries([...Array(8)].map((_, i) => [`propertyPath${i}`, 'String']).concat([['url', 'String']])) as Record<string, GraphFxIoType>,
+    out: Object.fromEntries([...Array(8)].map((_, i) => [`value${i}`, 'String'])) as Record<string, GraphFxIoType>,
+  },
+  Eval: {
+    in: Object.fromEntries([['image', 'Image'], ...Array.from({ length: 8 }, (_, i) => [`i${i}`, 'Number']), ['script', 'String']]) as Record<string, GraphFxIoType>,
+    out: { image: 'Image', result: 'Number', resultString: 'String' },
+  },
+  QRCodeGenerator: { in: { text: 'String', size: 'Number', correction: 'String', margin: 'Number' }, out: { image: 'Image', size: 'Number', margin: 'Number' } },
+  QRCodeDetector: { in: { image: 'Image', filter: 'String' }, out: { image: 'Image', rotation: 'Number', x: 'Number', y: 'Number', size: 'Number' } },
+  MarkerDetector: { in: { image: 'Image', markerId: 'Number', pivotPoint: 'String' }, out: { image: 'Image', markerId: 'Number', x: 'Number', y: 'Number', rotation: 'Number', x1: 'Number', y1: 'Number', x2: 'Number', y2: 'Number', x3: 'Number', y3: 'Number', x4: 'Number', y4: 'Number' } },
+  WaitForAll: { in: { image0: 'Image', image1: 'Image' }, out: { image0: 'Image', image1: 'Image' } },
+  Base64ToImg: { in: { base64: 'String' }, out: imageDimensions },
+  ImgToBase64: { in: { image: 'Image', type: 'String' }, out: { base64: 'String' } },
+}
+
+export function ioTypeFor(nodeName: string, direction: 'in' | 'out', ioName: string, fallback?: unknown): GraphFxIoType {
+  const explicit = typeof fallback === 'string' ? fallback : undefined
+  if (explicit && ['Image', 'Number', 'String', 'Boolean', 'Color', 'Font'].includes(explicit)) {
+    return explicit as GraphFxIoType
+  }
+
+  return graphFxNodeDefinitions[nodeName]?.[direction]?.[ioName] || 'Unknown'
+}
diff --git a/graphfx-ui/src/style.css b/graphfx-ui/src/style.css
index 736b2c0..a9d7ccd 100644
--- a/graphfx-ui/src/style.css
+++ b/graphfx-ui/src/style.css
@@ -112,6 +112,39 @@ code {
   gap: 0.7rem;
 }
 
+.savebar {
+  display: grid;
+  grid-template-columns: 1fr repeat(4, auto);
+  gap: 0.45rem;
+  padding: 0.62rem;
+  border: 1px solid rgb(255 255 255 / 8%);
+  border-radius: 16px;
+  background: rgb(255 255 255 / 4%);
+}
+
+.savebar input[type="text"] {
+  min-width: 0;
+  border: 1px solid rgb(255 255 255 / 12%);
+  border-radius: 10px;
+  padding: 0.55rem 0.68rem;
+  color: #f5f8ff;
+  background: #101827;
+}
+
+.savebar button {
+  padding: 0.55rem 0.62rem;
+  font-size: 0.78rem;
+}
+
+.visually-hidden {
+  position: absolute;
+  width: 1px;
+  height: 1px;
+  overflow: hidden;
+  clip: rect(0 0 0 0);
+  white-space: nowrap;
+}
+
 .options {
   display: grid;
   gap: 0.72rem;
@@ -266,97 +299,136 @@ code {
 }
 
 .graphfx-node {
-  min-width: 280px;
+  min-width: 276px;
   overflow: hidden;
-  border: 1px solid rgb(157 177 255 / 30%);
-  border-radius: 20px;
-  background: linear-gradient(180deg, rgb(28 39 63 / 96%), rgb(13 20 34 / 96%));
+  border: 1px solid rgb(157 177 255 / 24%);
+  border-radius: 18px;
+  background: linear-gradient(180deg, rgb(24 34 55 / 97%), rgb(11 17 29 / 97%));
   box-shadow:
     0 18px 48px rgb(0 0 0 / 34%),
     inset 0 1px 0 rgb(255 255 255 / 8%);
 }
 
 .graphfx-node__header {
-  padding: 0.9rem 1rem 0.75rem;
+  padding: 0.72rem 0.86rem 0.66rem;
   border-bottom: 1px solid rgb(255 255 255 / 8%);
   background:
-    radial-gradient(circle at top right, rgb(55 213 255 / 20%), transparent 10rem),
+    radial-gradient(circle at top right, rgb(55 213 255 / 16%), transparent 9rem),
     rgb(255 255 255 / 3%);
 }
 
-.graphfx-node__kind {
-  margin: 0 0 0.18rem;
-  color: #33e1ba;
-  font-size: 0.68rem;
-  font-weight: 950;
-  letter-spacing: 0.16em;
-  text-transform: uppercase;
-}
-
 .graphfx-node h3 {
   margin: 0;
   color: #fff;
-  font-size: 1.05rem;
+  font-size: 1.02rem;
   line-height: 1.1;
+  font-weight: 900;
+  letter-spacing: -0.015em;
 }
 
 .graphfx-node small {
   display: block;
-  margin-top: 0.25rem;
+  margin-top: 0.18rem;
   max-width: 240px;
   overflow: hidden;
-  color: #8fa4c7;
-  font-size: 0.7rem;
+  color: #8296b8;
+  font-size: 0.66rem;
   text-overflow: ellipsis;
 }
 
 .graphfx-node__ports {
   display: grid;
   grid-template-columns: 1fr 1fr;
-  gap: 0.55rem;
-  padding: 0.75rem 0.6rem 0.85rem;
+  gap: 0.5rem;
+  padding: 0.58rem 0.56rem 0.68rem;
 }
 
 .graphfx-node__ports--empty { grid-template-columns: 1fr; }
 
-.graphfx-node__column-title {
-  margin: 0 0 0.35rem;
-  padding: 0 0.4rem;
-  color: #7f93b6;
-  font-size: 0.65rem;
-  font-weight: 950;
-  text-transform: uppercase;
-  letter-spacing: 0.12em;
+.graphfx-node__column {
+  display: grid;
+  align-content: start;
+  gap: 0.28rem;
 }
 
 .graphfx-node__port {
+  --io-color: #94a3b8;
   position: relative;
   display: grid;
-  gap: 0.08rem;
-  min-height: 31px;
-  padding: 0.38rem 0.45rem;
-  border-radius: 10px;
-  background: rgb(255 255 255 / 5%);
-  color: #dbe7ff;
+  min-height: 34px;
+  padding: 0.36rem 0.48rem;
+  border: 1px solid color-mix(in srgb, var(--io-color) 28%, transparent);
+  border-radius: 11px;
+  background:
+    linear-gradient(90deg, color-mix(in srgb, var(--io-color) 16%, transparent), transparent 46%),
+    rgb(255 255 255 / 4%);
+  color: #eef4ff;
   font-size: 0.76rem;
 }
 
-.graphfx-node__port + .graphfx-node__port { margin-top: 0.25rem; }
+.graphfx-node__port--input {
+  padding-left: 0.72rem;
+  text-align: left;
+}
 
-.graphfx-node__port--input { padding-left: 0.62rem; }
-.graphfx-node__port--output { padding-right: 0.62rem; text-align: right; }
+.graphfx-node__port--output {
+  padding-right: 0.72rem;
+  text-align: right;
+  background:
+    linear-gradient(270deg, color-mix(in srgb, var(--io-color) 16%, transparent), transparent 46%),
+    rgb(255 255 255 / 4%);
+}
 
-.graphfx-node__port-label {
+.graphfx-node__port--labeled {
+  min-height: 44px;
+  background:
+    linear-gradient(90deg, color-mix(in srgb, var(--io-color) 26%, transparent), transparent 58%),
+    rgb(255 255 255 / 6%);
+}
+
+.graphfx-node__port--output.graphfx-node__port--labeled {
+  background:
+    linear-gradient(270deg, color-mix(in srgb, var(--io-color) 26%, transparent), transparent 58%),
+    rgb(255 255 255 / 6%);
+}
+
+.graphfx-node__port-name {
   overflow: hidden;
+  color: #f8fbff;
+  font-size: 0.82rem;
+  font-weight: 950;
+  letter-spacing: -0.01em;
+  line-height: 1.08;
   text-overflow: ellipsis;
   white-space: nowrap;
-  font-weight: 850;
+}
+
+.graphfx-node__port-label {
+  display: inline-block;
+  width: fit-content;
+  max-width: 100%;
+  margin-top: 0.2rem;
+  overflow: hidden;
+  border-radius: 999px;
+  padding: 0.11rem 0.42rem;
+  background: color-mix(in srgb, var(--io-color) 88%, white 12%);
+  color: #06101f;
+  font-size: 0.66rem;
+  font-weight: 950;
+  line-height: 1.15;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+.graphfx-node__port--output .graphfx-node__port-label {
+  justify-self: end;
 }
 
 .graphfx-node__port-value {
   overflow: hidden;
-  color: #8397ba;
-  font-size: 0.64rem;
+  color: color-mix(in srgb, var(--io-color) 68%, white 32%);
+  font-size: 0.66rem;
+  font-weight: 750;
   text-overflow: ellipsis;
   white-space: nowrap;
 }
@@ -370,18 +442,30 @@ code {
 }
 
 .graphfx-node__handle {
-  width: 11px;
-  height: 11px;
-  border: 2px solid #0c1322;
-  background: #33e1ba;
+  width: 12px;
+  height: 12px;
+  border: 2px solid #0a1020;
+  background: transparent;
+  box-shadow: 0 0 0 2px var(--io-color), 0 0 14px color-mix(in srgb, var(--io-color) 45%, transparent);
 }
 
 .graphfx-node__handle--input {
   left: -6px;
-  background: #7da2ff;
 }
 
 .graphfx-node__handle--output {
   right: -6px;
-  background: #33e1ba;
+  background: var(--io-color);
 }
+
+.graphfx-node__port--connected .graphfx-node__handle--input {
+  background: var(--io-color);
+}
+
+.io-type-image { --io-color: #4dd7ff; }
+.io-type-number { --io-color: #f6c85f; }
+.io-type-string { --io-color: #9ee66f; }
+.io-type-boolean { --io-color: #c084fc; }
+.io-type-color { --io-color: #ff78b7; }
+.io-type-font { --io-color: #fb923c; }
+.io-type-unknown { --io-color: #94a3b8; }