@charset "UTF-8";
:root {
  --ff-white: #ffffff;
  --ff-black: #000000;
  --ff-gray-0: #ffffff;
  --ff-gray-25: #fcfcfc;
  --ff-gray-50: #f8f8f7;
  --ff-gray-75: #f2f2f0;
  --ff-gray-100: #e9e9e6;
  --ff-gray-150: #dcdcd7;
  --ff-gray-200: #c9c9c1;
  --ff-gray-300: #afafa5;
  --ff-gray-400: #8d8d81;
  --ff-gray-500: #69695f;
  --ff-gray-600: #505048;
  --ff-gray-700: #3c3c36;
  --ff-gray-800: #272722;
  --ff-gray-900: #1b1b18;
  --ff-gray-950: #141412;
  --ff-gray-1000: #0f0f0d;
  --ff-alpha-black-04: rgba(15, 15, 13, 0.04);
  --ff-alpha-black-06: rgba(15, 15, 13, 0.06);
  --ff-alpha-black-08: rgba(15, 15, 13, 0.08);
  --ff-alpha-black-10: rgba(15, 15, 13, 0.1);
  --ff-alpha-black-12: rgba(15, 15, 13, 0.12);
  --ff-alpha-black-15: rgba(15, 15, 13, 0.15);
  --ff-alpha-black-20: rgba(15, 15, 13, 0.2);
  --ff-alpha-black-30: rgba(15, 15, 13, 0.3);
  --ff-alpha-black-40: rgba(15, 15, 13, 0.4);
  --ff-alpha-black-60: rgba(15, 15, 13, 0.6);
  --ff-alpha-white-04: rgba(255, 255, 255, 0.04);
  --ff-alpha-white-06: rgba(255, 255, 255, 0.06);
  --ff-alpha-white-08: rgba(255, 255, 255, 0.08);
  --ff-alpha-white-10: rgba(255, 255, 255, 0.1);
  --ff-alpha-white-12: rgba(255, 255, 255, 0.12);
  --ff-alpha-white-15: rgba(255, 255, 255, 0.15);
  --ff-alpha-white-20: rgba(255, 255, 255, 0.2);
  --ff-alpha-white-30: rgba(255, 255, 255, 0.3);
  --ff-alpha-white-40: rgba(255, 255, 255, 0.4);
  --ff-alpha-white-60: rgba(255, 255, 255, 0.6);
  --ff-blue-100: #e8f2ff;
  --ff-blue-200: #bad8ff;
  --ff-blue-300: #7db7ff;
  --ff-blue-400: #4176ff;
  --ff-blue-500: #2759db;
  --ff-blue-600: #1b3f9e;
  --ff-green-100: #e7f7ef;
  --ff-green-300: #71c795;
  --ff-green-400: #2b9b5f;
  --ff-green-500: #1e7748;
  --ff-yellow-100: #fff5de;
  --ff-yellow-300: #e1b354;
  --ff-yellow-400: #bb8121;
  --ff-yellow-500: #916112;
  --ff-red-100: #feeceb;
  --ff-red-300: #e48d85;
  --ff-red-400: #c55245;
  --ff-red-500: #9e3a2f;
  --ff-radius-4: 4px;
  --ff-radius-6: 6px;
  --ff-radius-pill: 999px;
  --ff-font-family-sans:
    'Inter', ui-sans-serif, system-ui, sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji',
    'Segoe UI Symbol', 'Noto Color Emoji';
  --ff-font-family-mono:
    ui-monospace, 'SFMono-Regular', 'Menlo', 'Monaco', 'Consolas', 'Liberation Mono', 'Courier New',
    monospace;
  --ff-font-size-xs: 12px;
  --ff-font-size-sm: 14px;
  --ff-font-size-md: 16px;
  --ff-font-size-lg: 18px;
  --ff-shadow-1: 0 1px 2px rgba(15, 15, 13, 0.05), 0 8px 20px rgba(15, 15, 13, 0.04);
  --ff-shadow-2: 0 10px 28px rgba(15, 15, 13, 0.08), 0 3px 10px rgba(15, 15, 13, 0.05);
  --ff-shadow-3: 0 18px 48px rgba(15, 15, 13, 0.12), 0 6px 16px rgba(15, 15, 13, 0.08);
}

:root {
  --ff-color-surface-page: var(--ff-gray-25);
  --ff-color-surface-canvas: var(--ff-gray-25);
  --ff-color-surface-card: var(--ff-white);
  --ff-color-surface-group: rgba(65, 118, 255, 0.14);
  --ff-color-surface-group-active: rgba(65, 118, 255, 0.2);
  --ff-color-surface-muted: var(--ff-gray-50);
  --ff-color-surface-soft: var(--ff-gray-75);
  --ff-color-surface-accent-soft: rgba(65, 118, 255, 0.1);
  --ff-color-border-default: var(--ff-alpha-black-12);
  --ff-color-border-subtle: var(--ff-alpha-black-08);
  --ff-color-border-strong: var(--ff-alpha-black-20);
  --ff-color-border-accent: var(--ff-blue-500);
  --ff-color-text-primary: var(--ff-gray-800);
  --ff-color-text-secondary: var(--ff-gray-500);
  --ff-color-text-tertiary: var(--ff-gray-400);
  --ff-color-text-inverse: var(--ff-white);
  --ff-color-accent: var(--ff-blue-500);
  --ff-color-accent-strong: var(--ff-blue-600);
  --ff-color-success: var(--ff-green-400);
  --ff-color-warning: var(--ff-yellow-400);
  --ff-color-danger: var(--ff-red-400);
  --ff-color-disabled-surface: var(--ff-gray-100);
  --ff-color-disabled-border: var(--ff-alpha-black-10);
  --ff-color-disabled-text: var(--ff-gray-300);
  --ff-color-selection-fill: rgba(65, 118, 255, 0.12);
  --ff-color-selection-stroke: rgba(65, 118, 255, 0.28);
  --ff-color-grid: var(--ff-alpha-black-08);
  --ff-color-grid-strong: var(--ff-alpha-black-15);
  --ff-color-connector-connected: var(--ff-blue-500);
  --ff-color-connection: var(--ff-gray-600);
  --ff-color-connection-muted: var(--ff-gray-300);
  --ff-color-connection-hover: var(--ff-alpha-black-12);
  --ff-color-grouping-drop-target-border: var(--ff-gray-800);
  --ff-color-grouping-drop-target-border-active: var(--ff-gray-800);
  --ff-color-waypoint-fill: var(--ff-white);
  --ff-color-waypoint-stroke: var(--ff-blue-500);
  --ff-color-waypoint-candidate-fill: var(--ff-white);
  --ff-color-waypoint-candidate-stroke: var(--ff-green-400);
  --ff-color-minimap-surface: var(--ff-white);
  --ff-color-minimap-node: var(--ff-gray-700);
  --ff-color-minimap-view: rgba(65, 118, 255, 0.14);
  --ff-color-magnetic-line: var(--ff-blue-500);
  --ff-color-magnetic-rect-fill: rgba(65, 118, 255, 0.08);
  --ff-color-magnetic-rect-border: rgba(65, 118, 255, 0.24);
  --ff-radius-node: var(--ff-radius-4);
  --ff-radius-group: var(--ff-radius-4);
  --ff-radius-control: var(--ff-radius-4);
  --ff-radius-socket-square: var(--ff-radius-6);
  --ff-radius-pill: var(--ff-radius-pill);
  --ff-font-sans: var(--ff-font-family-sans);
  --ff-font-mono: var(--ff-font-family-mono);
  --ff-font-size-body: var(--ff-font-size-sm);
  --ff-font-size-label: var(--ff-font-size-xs);
  --ff-shadow-surface: var(--ff-shadow-1);
  --ff-shadow-floating: var(--ff-shadow-2);
}

.dark,
[data-theme='dark'] {
  --ff-color-surface-page: var(--ff-gray-1000);
  --ff-color-surface-canvas: var(--ff-gray-1000);
  --ff-color-surface-card: var(--ff-gray-950);
  --ff-color-surface-group: rgba(125, 183, 255, 0.18);
  --ff-color-surface-group-active: rgba(125, 183, 255, 0.24);
  --ff-color-surface-muted: var(--ff-gray-900);
  --ff-color-surface-soft: var(--ff-gray-900);
  --ff-color-surface-accent-soft: rgba(125, 183, 255, 0.14);
  --ff-color-border-default: var(--ff-alpha-white-12);
  --ff-color-border-subtle: var(--ff-alpha-white-08);
  --ff-color-border-strong: var(--ff-alpha-white-20);
  --ff-color-border-accent: var(--ff-blue-300);
  --ff-color-text-primary: var(--ff-gray-100);
  --ff-color-text-secondary: var(--ff-gray-300);
  --ff-color-text-tertiary: var(--ff-gray-400);
  --ff-color-text-inverse: var(--ff-gray-1000);
  --ff-color-accent: var(--ff-blue-300);
  --ff-color-accent-strong: var(--ff-blue-200);
  --ff-color-success: var(--ff-green-300);
  --ff-color-warning: var(--ff-yellow-300);
  --ff-color-danger: var(--ff-red-300);
  --ff-color-disabled-surface: var(--ff-gray-800);
  --ff-color-disabled-border: var(--ff-alpha-white-10);
  --ff-color-disabled-text: var(--ff-gray-500);
  --ff-color-selection-fill: rgba(125, 183, 255, 0.16);
  --ff-color-selection-stroke: rgba(125, 183, 255, 0.34);
  --ff-color-grid: var(--ff-alpha-white-08);
  --ff-color-grid-strong: var(--ff-alpha-white-15);
  --ff-color-connector-connected: var(--ff-blue-300);
  --ff-color-connection: var(--ff-gray-200);
  --ff-color-connection-muted: var(--ff-gray-500);
  --ff-color-connection-hover: var(--ff-alpha-white-12);
  --ff-color-grouping-drop-target-border: var(--ff-gray-100);
  --ff-color-grouping-drop-target-border-active: var(--ff-gray-100);
  --ff-color-waypoint-fill: var(--ff-gray-950);
  --ff-color-waypoint-stroke: var(--ff-blue-300);
  --ff-color-waypoint-candidate-fill: var(--ff-white);
  --ff-color-waypoint-candidate-stroke: var(--ff-green-300);
  --ff-color-minimap-surface: var(--ff-gray-950);
  --ff-color-minimap-node: var(--ff-gray-200);
  --ff-color-minimap-view: rgba(125, 183, 255, 0.18);
  --ff-color-magnetic-line: var(--ff-blue-300);
  --ff-color-magnetic-rect-fill: rgba(125, 183, 255, 0.1);
  --ff-color-magnetic-rect-border: rgba(125, 183, 255, 0.24);
  --ff-shadow-surface: 0 1px 2px rgba(0, 0, 0, 0.28), 0 8px 20px rgba(0, 0, 0, 0.14);
  --ff-shadow-floating: 0 14px 36px rgba(0, 0, 0, 0.26), 0 4px 12px rgba(0, 0, 0, 0.16);
}

:root {
  --ff-flow-background-color: var(--ff-color-surface-page);
  --ff-flow-text-color: var(--ff-color-text-primary);
  --ff-flow-font-family: var(--ff-font-sans);
  --ff-flow-font-size: var(--ff-font-size-body);
  --ff-canvas-background-color: var(--ff-color-surface-canvas);
  --ff-node-background-color: var(--ff-color-surface-card);
  --ff-node-background-color-inverse: var(--ff-color-text-primary);
  --ff-node-border-color: var(--ff-color-border-default);
  --ff-node-border-color-selected: var(--ff-color-border-accent);
  --ff-node-color: var(--ff-color-text-primary);
  --ff-node-border-radius: var(--ff-radius-node);
  --ff-node-shadow: var(--ff-shadow-surface);
  --ff-node-shadow-selected: var(--ff-shadow-floating);
  --ff-node-width: 120px;
  --ff-node-min-height: 56px;
  --ff-node-padding: 24px;
  --ff-group-background-color: var(--ff-color-surface-group);
  --ff-group-background-color-active: var(--ff-color-surface-group-active);
  --ff-group-border-color: var(--ff-color-border-subtle);
  --ff-group-border-color-selected: var(--ff-color-border-accent);
  --ff-group-border-color-active: var(--ff-color-border-accent);
  --ff-group-color: var(--ff-color-text-secondary);
  --ff-group-border-radius: var(--ff-radius-group);
  --ff-group-min-width: 180px;
  --ff-group-min-height: 120px;
  --ff-group-padding: 24px;
  --ff-grouping-drop-target-border-color: var(--ff-color-grouping-drop-target-border);
  --ff-grouping-drop-target-border-style: dashed;
  --ff-grouping-drop-target-border-width: 1px;
  --ff-grouping-drop-target-border-color-active: var(--ff-color-grouping-drop-target-border-active);
  --ff-grouping-drop-target-border-style-active: dashed;
  --ff-grouping-drop-target-border-width-active: 2px;
  /* Resize handle — UI chrome, accent-blue fill so it cannot be confused
     with a connector socket. White stroke separates it from the node
     edge; the 1px outer ring pins the silhouette against any background. */
  --ff-resize-handle-size: 8px;
  --ff-resize-handle-fill: var(--ff-color-accent);
  --ff-resize-handle-stroke: var(--ff-color-surface-card);
  --ff-resize-handle-ring: var(--ff-color-accent);
  --ff-resize-handle-radius: 1px;
  --ff-resize-handle-fill-active: var(--ff-color-surface-card);
  /* Rotate handle — quiet white circle, lives above the node connected
     by a thin guide line. Becomes accent on hover/active. */
  --ff-rotate-handle-size: 16px;
  --ff-rotate-handle-offset: 40px;
  --ff-rotate-handle-background-color: var(--ff-color-surface-card);
  --ff-rotate-handle-border-color: var(--ff-color-border-strong);
  --ff-rotate-handle-guide-color: var(--ff-color-border-strong);
  --ff-connector-background-color: var(--ff-color-surface-card);
  --ff-connector-border-color: var(--ff-color-text-secondary);
  --ff-connector-connected-color: var(--ff-color-connector-connected);
  --ff-connector-accent-color: var(--ff-color-accent);
  --ff-connector-disabled-color: var(--ff-color-disabled-surface);
  --ff-connector-disabled-border-color: var(--ff-color-disabled-border);
  --ff-connector-size: 14px;
  --ff-connector-border-width: 2px;
  --ff-connector-input-radius: var(--ff-radius-4);
  --ff-connector-node-ring-color: var(--ff-canvas-background-color);
  --ff-outlet-background-color: var(--ff-color-surface-muted);
  --ff-outlet-border-color: var(--ff-color-border-default);
  --ff-outlet-color: var(--ff-color-accent);
  --ff-outlet-disabled-background-color: var(--ff-color-disabled-surface);
  --ff-outlet-disabled-border-color: var(--ff-color-disabled-border);
  --ff-outlet-disabled-color: var(--ff-color-disabled-text);
  --ff-outlet-border-radius: var(--ff-radius-pill);
  --ff-outlet-padding-y: 6px;
  --ff-outlet-padding-x: 12px;
  --ff-connection-color: var(--ff-color-connection);
  --ff-snap-connection-color: var(--ff-color-connection-muted);
  --ff-connection-hover-color: var(--ff-color-connection-hover);
  --ff-connection-selected-color: var(--ff-color-accent);
  --ff-connection-label-color: var(--ff-color-text-secondary);
  --ff-connection-content-color: var(--ff-node-color);
  --ff-connection-content-background-color: var(--ff-node-background-color);
  --ff-connection-content-border-color: var(--ff-node-border-color);
  --ff-connection-content-border-color-selected: var(--ff-connection-selected-color);
  --ff-connection-content-border-radius: var(--ff-node-border-radius);
  --ff-connection-content-font-size: 13px;
  --ff-connection-content-padding-y: 2px;
  --ff-connection-content-padding-x: 8px;
  --ff-connection-width: 2px;
  --ff-connection-hit-width: 14px;
  --ff-connection-drag-handle-fill: var(--ff-color-surface-card);
  --ff-connection-drag-handle-stroke: var(--ff-color-accent);
  --ff-marker-color: var(--ff-connection-color);
  --ff-waypoint-fill: var(--ff-color-waypoint-fill);
  --ff-waypoint-stroke: var(--ff-color-waypoint-stroke);
  --ff-waypoint-candidate-fill: var(--ff-color-waypoint-candidate-fill);
  --ff-waypoint-candidate-stroke: var(--ff-color-waypoint-candidate-stroke);
  --ff-background-line-color: var(--ff-color-grid);
  --ff-background-dot-color: var(--ff-color-grid-strong);
  --ff-selection-area-color: var(--ff-color-selection-fill);
  --ff-selection-area-border-color: var(--ff-color-selection-stroke);
  --ff-minimap-background-color: var(--ff-color-minimap-surface);
  --ff-minimap-border-color: var(--ff-color-border-default);
  --ff-minimap-node-color: var(--ff-color-minimap-node);
  --ff-minimap-node-selected-color: var(--ff-color-accent);
  --ff-minimap-view-color: var(--ff-color-minimap-view);
  --ff-minimap-view-border-color: var(--ff-color-selection-stroke);
  --ff-minimap-border-radius: var(--ff-radius-node);
  --ff-minimap-shadow: var(--ff-shadow-floating);
  --ff-magnetic-line-color: var(--ff-color-magnetic-line);
  --ff-magnetic-rect-fill: var(--ff-color-magnetic-rect-fill);
  --ff-magnetic-rect-border-color: var(--ff-color-magnetic-rect-border);
  --ff-external-item-background-color: var(--ff-color-surface-card);
  --ff-external-item-border-color: var(--ff-color-border-default);
  --ff-external-item-color: var(--ff-color-text-primary);
  --ff-external-item-disabled-color: var(--ff-color-disabled-text);
  --ff-external-item-disabled-background-color: var(--ff-color-disabled-surface);
  --ff-external-item-border-radius: var(--ff-radius-node);
  --ff-external-item-shadow: var(--ff-shadow-surface);
  --ff-external-item-preview-shadow: var(--ff-shadow-floating);
  --ff-external-item-placeholder-background-color: var(--ff-color-surface-soft);
  --ff-external-item-placeholder-border-color: var(--ff-color-border-subtle);
}

f-flow,
.f-flow {
  display: block;
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  pointer-events: all;
  user-select: none;
  touch-action: none;
  color: var(--ff-flow-text-color);
  background: var(--ff-flow-background-color);
  font-family: var(--ff-flow-font-family);
  font-size: var(--ff-flow-font-size);
  line-height: 1.4;
}

f-flow .f-canvas,
.f-flow .f-canvas {
  background: var(--ff-canvas-background-color);
}

f-flow .f-node,
.f-flow .f-node {
  width: var(--ff-node-width);
  min-height: var(--ff-node-min-height);
  padding: var(--ff-node-padding);
  box-sizing: border-box;
  color: var(--ff-node-color);
  text-align: center;
  background: var(--ff-node-background-color);
  border: 1px solid var(--ff-node-border-color);
  border-radius: var(--ff-node-border-radius);
  box-shadow: var(--ff-node-shadow);
}
f-flow .f-node .node-content,
.f-flow .f-node .node-content {
  width: 100%;
  height: 100%;
  overflow: hidden;
}
f-flow .f-node.f-selected,
.f-flow .f-node.f-selected {
  border-color: var(--ff-node-border-color-selected);
  box-shadow: var(--ff-node-shadow-selected);
}
f-flow .f-node.f-dragging,
.f-flow .f-node.f-dragging {
  box-shadow: var(--ff-node-shadow-selected);
}

f-flow .f-group,
.f-flow .f-group {
  min-width: var(--ff-group-min-width);
  min-height: var(--ff-group-min-height);
  padding: var(--ff-group-padding);
  box-sizing: border-box;
  color: var(--ff-group-color);
  background: var(--ff-group-background-color);
  border: 1px solid var(--ff-group-border-color);
  border-radius: var(--ff-group-border-radius);
}
f-flow .f-group.f-selected,
.f-flow .f-group.f-selected {
  border-color: var(--ff-group-border-color-selected);
}

f-flow .f-drag-handle,
.f-flow .f-drag-handle {
  cursor: move;
}
f-flow .f-drag-handle img,
.f-flow .f-drag-handle img {
  pointer-events: none;
}

f-flow .f-resize-handle,
.f-flow .f-resize-handle {
  /* Tiny accent-blue grip with white stroke and a 1px outer ring —
     deliberately loud so it can never be confused with a connector
     socket. The double box-shadow is the silhouette: the inner ring
     pins the shape against any surface, the outer drop-shadow sells
     "lift". Hover/active expand the ring into a halo. */
  position: absolute;
  width: var(--ff-resize-handle-size);
  height: var(--ff-resize-handle-size);
  box-sizing: border-box;
  border: 1.5px solid var(--ff-resize-handle-stroke);
  border-radius: var(--ff-resize-handle-radius);
  background: var(--ff-resize-handle-fill);
  box-shadow:
    0 0 0 1px var(--ff-resize-handle-ring),
    0 1px 2px rgba(15, 15, 13, 0.18);
  transition:
    background-color 150ms cubic-bezier(0.4, 0, 0.2, 1),
    box-shadow 150ms cubic-bezier(0.4, 0, 0.2, 1);
}
f-flow .f-resize-handle:hover,
.f-flow .f-resize-handle:hover {
  box-shadow:
    0 0 0 1px var(--ff-resize-handle-ring),
    0 0 0 5px color-mix(in oklch, var(--ff-resize-handle-ring) 25%, transparent);
}
f-flow .f-resize-handle:active,
.f-flow .f-resize-handle:active {
  background: var(--ff-resize-handle-fill-active);
  box-shadow:
    0 0 0 2px var(--ff-resize-handle-ring),
    0 0 0 6px color-mix(in oklch, var(--ff-resize-handle-ring) 28%, transparent);
}
f-flow .f-resize-handle.f-resize-handle-left,
.f-flow .f-resize-handle.f-resize-handle-left {
  left: 0;
  top: 50%;
  transform: translate(-50%, -50%);
  cursor: col-resize;
}
f-flow .f-resize-handle.f-resize-handle-left-top,
.f-flow .f-resize-handle.f-resize-handle-left-top {
  left: 0;
  top: 0;
  transform: translate(-50%, -50%);
  cursor: nwse-resize;
}
f-flow .f-resize-handle.f-resize-handle-top,
.f-flow .f-resize-handle.f-resize-handle-top {
  left: 50%;
  top: 0;
  transform: translate(-50%, -50%);
  cursor: row-resize;
}
f-flow .f-resize-handle.f-resize-handle-right-top,
.f-flow .f-resize-handle.f-resize-handle-right-top {
  right: 0;
  top: 0;
  transform: translate(50%, -50%);
  cursor: nesw-resize;
}
f-flow .f-resize-handle.f-resize-handle-right,
.f-flow .f-resize-handle.f-resize-handle-right {
  right: 0;
  top: 50%;
  transform: translate(50%, -50%);
  cursor: col-resize;
}
f-flow .f-resize-handle.f-resize-handle-right-bottom,
.f-flow .f-resize-handle.f-resize-handle-right-bottom {
  right: 0;
  bottom: 0;
  transform: translate(50%, 50%);
  cursor: nwse-resize;
}
f-flow .f-resize-handle.f-resize-handle-bottom,
.f-flow .f-resize-handle.f-resize-handle-bottom {
  left: 50%;
  bottom: 0;
  transform: translate(-50%, 50%);
  cursor: row-resize;
}
f-flow .f-resize-handle.f-resize-handle-left-bottom,
.f-flow .f-resize-handle.f-resize-handle-left-bottom {
  left: 0;
  bottom: 0;
  transform: translate(-50%, 50%);
  cursor: nesw-resize;
}

f-flow .f-rotate-handle,
.f-flow .f-rotate-handle {
  /* Quiet white circle floating above the node, connected by a thin
     guide line so the affordance reads as "rotate-from-here". On
     hover it picks up an accent border + halo; on active it fills
     accent and switches the cursor to grabbing. */
  position: absolute;
  left: 50%;
  top: calc(var(--ff-rotate-handle-offset) * -1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--ff-rotate-handle-size);
  height: var(--ff-rotate-handle-size);
  box-sizing: border-box;
  border: 1px solid var(--ff-rotate-handle-border-color);
  border-radius: 50%;
  background: var(--ff-rotate-handle-background-color);
  transform: translateX(-50%);
  cursor: grab;
  transition:
    background-color 150ms cubic-bezier(0.4, 0, 0.2, 1),
    border-color 150ms cubic-bezier(0.4, 0, 0.2, 1),
    box-shadow 150ms cubic-bezier(0.4, 0, 0.2, 1);
  /* Guide line that bridges the gap between handle and node edge. */
}
f-flow .f-rotate-handle::after,
.f-flow .f-rotate-handle::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 100%;
  width: 1px;
  height: calc(var(--ff-rotate-handle-offset) - var(--ff-rotate-handle-size));
  background: var(--ff-rotate-handle-guide-color);
  transform: translateX(-50%);
  pointer-events: none;
}
f-flow .f-rotate-handle:hover,
.f-flow .f-rotate-handle:hover {
  border-color: var(--ff-color-accent);
  box-shadow: 0 0 0 4px color-mix(in oklch, var(--ff-color-accent) 22%, transparent);
}
f-flow .f-rotate-handle:active,
.f-flow .f-rotate-handle:active {
  background: var(--ff-color-accent);
  border-color: var(--ff-color-accent);
  cursor: grabbing;
  box-shadow: 0 0 0 4px color-mix(in oklch, var(--ff-color-accent) 22%, transparent);
}

f-flow .f-node-input:not(.f-node),
f-flow .f-node-output:not(.f-node),
f-flow .f-connector-source:not(.f-node),
f-flow .f-connector-target:not(.f-node),
f-flow .f-connector-source-target:not(.f-node),
.f-flow .f-node-input:not(.f-node),
.f-flow .f-node-output:not(.f-node),
.f-flow .f-connector-source:not(.f-node),
.f-flow .f-connector-target:not(.f-node),
.f-flow .f-connector-source-target:not(.f-node) {
  position: absolute;
  width: var(--ff-connector-size);
  height: var(--ff-connector-size);
  box-sizing: border-box;
  border: var(--ff-connector-border-width) solid var(--ff-connector-border-color);
  border-radius: 50%;
  background: var(--ff-connector-background-color);
  pointer-events: all;
  transition:
    background-color 150ms cubic-bezier(0.4, 0, 0.2, 1),
    border-color 150ms cubic-bezier(0.4, 0, 0.2, 1),
    box-shadow 150ms cubic-bezier(0.4, 0, 0.2, 1);
}
f-flow .f-node-input:not(.f-node).left,
f-flow .f-node-output:not(.f-node).left,
f-flow .f-connector-source:not(.f-node).left,
f-flow .f-connector-target:not(.f-node).left,
f-flow .f-connector-source-target:not(.f-node).left,
.f-flow .f-node-input:not(.f-node).left,
.f-flow .f-node-output:not(.f-node).left,
.f-flow .f-connector-source:not(.f-node).left,
.f-flow .f-connector-target:not(.f-node).left,
.f-flow .f-connector-source-target:not(.f-node).left {
  left: calc(var(--ff-connector-size) / -2);
  top: 50%;
  transform: translateY(-50%);
}
f-flow .f-node-input:not(.f-node).right,
f-flow .f-node-output:not(.f-node).right,
f-flow .f-connector-source:not(.f-node).right,
f-flow .f-connector-target:not(.f-node).right,
f-flow .f-connector-source-target:not(.f-node).right,
.f-flow .f-node-input:not(.f-node).right,
.f-flow .f-node-output:not(.f-node).right,
.f-flow .f-connector-source:not(.f-node).right,
.f-flow .f-connector-target:not(.f-node).right,
.f-flow .f-connector-source-target:not(.f-node).right {
  right: calc(var(--ff-connector-size) / -2);
  top: 50%;
  transform: translateY(-50%);
}
f-flow .f-node-input:not(.f-node).top,
f-flow .f-node-output:not(.f-node).top,
f-flow .f-connector-source:not(.f-node).top,
f-flow .f-connector-target:not(.f-node).top,
f-flow .f-connector-source-target:not(.f-node).top,
.f-flow .f-node-input:not(.f-node).top,
.f-flow .f-node-output:not(.f-node).top,
.f-flow .f-connector-source:not(.f-node).top,
.f-flow .f-connector-target:not(.f-node).top,
.f-flow .f-connector-source-target:not(.f-node).top {
  top: calc(var(--ff-connector-size) / -2);
  left: 50%;
  transform: translateX(-50%);
}
f-flow .f-node-input:not(.f-node).top-left,
f-flow .f-node-output:not(.f-node).top-left,
f-flow .f-connector-source:not(.f-node).top-left,
f-flow .f-connector-target:not(.f-node).top-left,
f-flow .f-connector-source-target:not(.f-node).top-left,
.f-flow .f-node-input:not(.f-node).top-left,
.f-flow .f-node-output:not(.f-node).top-left,
.f-flow .f-connector-source:not(.f-node).top-left,
.f-flow .f-connector-target:not(.f-node).top-left,
.f-flow .f-connector-source-target:not(.f-node).top-left {
  top: calc(var(--ff-connector-size) / -2);
  left: calc(var(--ff-connector-size) / -2);
}
f-flow .f-node-input:not(.f-node).top-right,
f-flow .f-node-output:not(.f-node).top-right,
f-flow .f-connector-source:not(.f-node).top-right,
f-flow .f-connector-target:not(.f-node).top-right,
f-flow .f-connector-source-target:not(.f-node).top-right,
.f-flow .f-node-input:not(.f-node).top-right,
.f-flow .f-node-output:not(.f-node).top-right,
.f-flow .f-connector-source:not(.f-node).top-right,
.f-flow .f-connector-target:not(.f-node).top-right,
.f-flow .f-connector-source-target:not(.f-node).top-right {
  top: calc(var(--ff-connector-size) / -2);
  right: calc(var(--ff-connector-size) / -2);
}
f-flow .f-node-input:not(.f-node).bottom,
f-flow .f-node-output:not(.f-node).bottom,
f-flow .f-connector-source:not(.f-node).bottom,
f-flow .f-connector-target:not(.f-node).bottom,
f-flow .f-connector-source-target:not(.f-node).bottom,
.f-flow .f-node-input:not(.f-node).bottom,
.f-flow .f-node-output:not(.f-node).bottom,
.f-flow .f-connector-source:not(.f-node).bottom,
.f-flow .f-connector-target:not(.f-node).bottom,
.f-flow .f-connector-source-target:not(.f-node).bottom {
  bottom: calc(var(--ff-connector-size) / -2);
  left: 50%;
  transform: translateX(-50%);
}
f-flow .f-node-input:not(.f-node).bottom-left,
f-flow .f-node-output:not(.f-node).bottom-left,
f-flow .f-connector-source:not(.f-node).bottom-left,
f-flow .f-connector-target:not(.f-node).bottom-left,
f-flow .f-connector-source-target:not(.f-node).bottom-left,
.f-flow .f-node-input:not(.f-node).bottom-left,
.f-flow .f-node-output:not(.f-node).bottom-left,
.f-flow .f-connector-source:not(.f-node).bottom-left,
.f-flow .f-connector-target:not(.f-node).bottom-left,
.f-flow .f-connector-source-target:not(.f-node).bottom-left {
  bottom: calc(var(--ff-connector-size) / -2);
  left: calc(var(--ff-connector-size) / -2);
}
f-flow .f-node-input:not(.f-node).bottom-right,
f-flow .f-node-output:not(.f-node).bottom-right,
f-flow .f-connector-source:not(.f-node).bottom-right,
f-flow .f-connector-target:not(.f-node).bottom-right,
f-flow .f-connector-source-target:not(.f-node).bottom-right,
.f-flow .f-node-input:not(.f-node).bottom-right,
.f-flow .f-node-output:not(.f-node).bottom-right,
.f-flow .f-connector-source:not(.f-node).bottom-right,
.f-flow .f-connector-target:not(.f-node).bottom-right,
.f-flow .f-connector-source-target:not(.f-node).bottom-right {
  bottom: calc(var(--ff-connector-size) / -2);
  right: calc(var(--ff-connector-size) / -2);
}
f-flow .f-node-input:not(.f-node):hover,
f-flow .f-node-output:not(.f-node):hover,
f-flow .f-connector-source:not(.f-node):hover,
f-flow .f-connector-target:not(.f-node):hover,
f-flow .f-connector-source-target:not(.f-node):hover,
.f-flow .f-node-input:not(.f-node):hover,
.f-flow .f-node-output:not(.f-node):hover,
.f-flow .f-connector-source:not(.f-node):hover,
.f-flow .f-connector-target:not(.f-node):hover,
.f-flow .f-connector-source-target:not(.f-node):hover {
  box-shadow: 0 0 0 4px color-mix(in oklch, var(--ff-connector-accent-color) 22%, transparent);
}
f-flow .f-node-input:not(.f-node).f-connector-connectable,
f-flow .f-node-output:not(.f-node).f-connector-connectable,
f-flow .f-connector-source:not(.f-node).f-connector-connectable,
f-flow .f-connector-target:not(.f-node).f-connector-connectable,
f-flow .f-connector-source-target:not(.f-node).f-connector-connectable,
.f-flow .f-node-input:not(.f-node).f-connector-connectable,
.f-flow .f-node-output:not(.f-node).f-connector-connectable,
.f-flow .f-connector-source:not(.f-node).f-connector-connectable,
.f-flow .f-connector-target:not(.f-node).f-connector-connectable,
.f-flow .f-connector-source-target:not(.f-node).f-connector-connectable {
  border-color: var(--ff-connector-accent-color);
}
f-flow .f-node-input:not(.f-node).f-node-output-connected,
f-flow .f-node-input:not(.f-node).f-node-input-connected,
f-flow .f-node-input:not(.f-node).f-connector-connected,
f-flow .f-node-output:not(.f-node).f-node-output-connected,
f-flow .f-node-output:not(.f-node).f-node-input-connected,
f-flow .f-node-output:not(.f-node).f-connector-connected,
f-flow .f-connector-source:not(.f-node).f-node-output-connected,
f-flow .f-connector-source:not(.f-node).f-node-input-connected,
f-flow .f-connector-source:not(.f-node).f-connector-connected,
f-flow .f-connector-target:not(.f-node).f-node-output-connected,
f-flow .f-connector-target:not(.f-node).f-node-input-connected,
f-flow .f-connector-target:not(.f-node).f-connector-connected,
f-flow .f-connector-source-target:not(.f-node).f-node-output-connected,
f-flow .f-connector-source-target:not(.f-node).f-node-input-connected,
f-flow .f-connector-source-target:not(.f-node).f-connector-connected,
.f-flow .f-node-input:not(.f-node).f-node-output-connected,
.f-flow .f-node-input:not(.f-node).f-node-input-connected,
.f-flow .f-node-input:not(.f-node).f-connector-connected,
.f-flow .f-node-output:not(.f-node).f-node-output-connected,
.f-flow .f-node-output:not(.f-node).f-node-input-connected,
.f-flow .f-node-output:not(.f-node).f-connector-connected,
.f-flow .f-connector-source:not(.f-node).f-node-output-connected,
.f-flow .f-connector-source:not(.f-node).f-node-input-connected,
.f-flow .f-connector-source:not(.f-node).f-connector-connected,
.f-flow .f-connector-target:not(.f-node).f-node-output-connected,
.f-flow .f-connector-target:not(.f-node).f-node-input-connected,
.f-flow .f-connector-target:not(.f-node).f-connector-connected,
.f-flow .f-connector-source-target:not(.f-node).f-node-output-connected,
.f-flow .f-connector-source-target:not(.f-node).f-node-input-connected,
.f-flow .f-connector-source-target:not(.f-node).f-connector-connected {
  background: var(--ff-connector-connected-color);
  border-color: var(--ff-connector-connected-color);
}
f-flow .f-node-input:not(.f-node).f-node-output-not-connectable,
f-flow .f-node-input:not(.f-node).f-node-input-not-connectable,
f-flow .f-node-input:not(.f-node).f-connector-not-connectable,
f-flow .f-node-input:not(.f-node).f-node-input-disabled,
f-flow .f-node-input:not(.f-node).f-node-output-disabled,
f-flow .f-node-input:not(.f-node).f-connector-disabled,
f-flow .f-node-output:not(.f-node).f-node-output-not-connectable,
f-flow .f-node-output:not(.f-node).f-node-input-not-connectable,
f-flow .f-node-output:not(.f-node).f-connector-not-connectable,
f-flow .f-node-output:not(.f-node).f-node-input-disabled,
f-flow .f-node-output:not(.f-node).f-node-output-disabled,
f-flow .f-node-output:not(.f-node).f-connector-disabled,
f-flow .f-connector-source:not(.f-node).f-node-output-not-connectable,
f-flow .f-connector-source:not(.f-node).f-node-input-not-connectable,
f-flow .f-connector-source:not(.f-node).f-connector-not-connectable,
f-flow .f-connector-source:not(.f-node).f-node-input-disabled,
f-flow .f-connector-source:not(.f-node).f-node-output-disabled,
f-flow .f-connector-source:not(.f-node).f-connector-disabled,
f-flow .f-connector-target:not(.f-node).f-node-output-not-connectable,
f-flow .f-connector-target:not(.f-node).f-node-input-not-connectable,
f-flow .f-connector-target:not(.f-node).f-connector-not-connectable,
f-flow .f-connector-target:not(.f-node).f-node-input-disabled,
f-flow .f-connector-target:not(.f-node).f-node-output-disabled,
f-flow .f-connector-target:not(.f-node).f-connector-disabled,
f-flow .f-connector-source-target:not(.f-node).f-node-output-not-connectable,
f-flow .f-connector-source-target:not(.f-node).f-node-input-not-connectable,
f-flow .f-connector-source-target:not(.f-node).f-connector-not-connectable,
f-flow .f-connector-source-target:not(.f-node).f-node-input-disabled,
f-flow .f-connector-source-target:not(.f-node).f-node-output-disabled,
f-flow .f-connector-source-target:not(.f-node).f-connector-disabled,
.f-flow .f-node-input:not(.f-node).f-node-output-not-connectable,
.f-flow .f-node-input:not(.f-node).f-node-input-not-connectable,
.f-flow .f-node-input:not(.f-node).f-connector-not-connectable,
.f-flow .f-node-input:not(.f-node).f-node-input-disabled,
.f-flow .f-node-input:not(.f-node).f-node-output-disabled,
.f-flow .f-node-input:not(.f-node).f-connector-disabled,
.f-flow .f-node-output:not(.f-node).f-node-output-not-connectable,
.f-flow .f-node-output:not(.f-node).f-node-input-not-connectable,
.f-flow .f-node-output:not(.f-node).f-connector-not-connectable,
.f-flow .f-node-output:not(.f-node).f-node-input-disabled,
.f-flow .f-node-output:not(.f-node).f-node-output-disabled,
.f-flow .f-node-output:not(.f-node).f-connector-disabled,
.f-flow .f-connector-source:not(.f-node).f-node-output-not-connectable,
.f-flow .f-connector-source:not(.f-node).f-node-input-not-connectable,
.f-flow .f-connector-source:not(.f-node).f-connector-not-connectable,
.f-flow .f-connector-source:not(.f-node).f-node-input-disabled,
.f-flow .f-connector-source:not(.f-node).f-node-output-disabled,
.f-flow .f-connector-source:not(.f-node).f-connector-disabled,
.f-flow .f-connector-target:not(.f-node).f-node-output-not-connectable,
.f-flow .f-connector-target:not(.f-node).f-node-input-not-connectable,
.f-flow .f-connector-target:not(.f-node).f-connector-not-connectable,
.f-flow .f-connector-target:not(.f-node).f-node-input-disabled,
.f-flow .f-connector-target:not(.f-node).f-node-output-disabled,
.f-flow .f-connector-target:not(.f-node).f-connector-disabled,
.f-flow .f-connector-source-target:not(.f-node).f-node-output-not-connectable,
.f-flow .f-connector-source-target:not(.f-node).f-node-input-not-connectable,
.f-flow .f-connector-source-target:not(.f-node).f-connector-not-connectable,
.f-flow .f-connector-source-target:not(.f-node).f-node-input-disabled,
.f-flow .f-connector-source-target:not(.f-node).f-node-output-disabled,
.f-flow .f-connector-source-target:not(.f-node).f-connector-disabled {
  background: var(--ff-connector-disabled-color);
  border-color: var(--ff-connector-disabled-border-color);
  box-shadow: none;
}
f-flow .f-node-input:not(.f-node),
f-flow .f-connector-target:not(.f-node),
.f-flow .f-node-input:not(.f-node),
.f-flow .f-connector-target:not(.f-node) {
  border-radius: var(--ff-connector-input-radius);
}
f-flow
  .f-connections-dragging
  .f-node-input:not(.f-connector-connectable):not(.f-node-input-connected):not(
    .f-node-output-connected
  ):not(.f-connector-connected),
f-flow
  .f-connections-dragging
  .f-node-output:not(.f-connector-connectable):not(.f-node-input-connected):not(
    .f-node-output-connected
  ):not(.f-connector-connected),
f-flow
  .f-connections-dragging
  .f-connector-source:not(.f-connector-connectable):not(.f-node-input-connected):not(
    .f-node-output-connected
  ):not(.f-connector-connected),
f-flow
  .f-connections-dragging
  .f-connector-target:not(.f-connector-connectable):not(.f-node-input-connected):not(
    .f-node-output-connected
  ):not(.f-connector-connected),
f-flow
  .f-connections-dragging
  .f-connector-source-target:not(.f-connector-connectable):not(.f-node-input-connected):not(
    .f-node-output-connected
  ):not(.f-connector-connected),
.f-flow
  .f-connections-dragging
  .f-node-input:not(.f-connector-connectable):not(.f-node-input-connected):not(
    .f-node-output-connected
  ):not(.f-connector-connected),
.f-flow
  .f-connections-dragging
  .f-node-output:not(.f-connector-connectable):not(.f-node-input-connected):not(
    .f-node-output-connected
  ):not(.f-connector-connected),
.f-flow
  .f-connections-dragging
  .f-connector-source:not(.f-connector-connectable):not(.f-node-input-connected):not(
    .f-node-output-connected
  ):not(.f-connector-connected),
.f-flow
  .f-connections-dragging
  .f-connector-target:not(.f-connector-connectable):not(.f-node-input-connected):not(
    .f-node-output-connected
  ):not(.f-connector-connected),
.f-flow
  .f-connections-dragging
  .f-connector-source-target:not(.f-connector-connectable):not(.f-node-input-connected):not(
    .f-node-output-connected
  ):not(.f-connector-connected) {
  border-color: var(--ff-connector-disabled-border-color);
}

f-flow .f-node-outlet,
f-flow .f-connector-outlet,
.f-flow .f-node-outlet,
.f-flow .f-connector-outlet {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 32px;
  padding: var(--ff-outlet-padding-y) var(--ff-outlet-padding-x);
  box-sizing: border-box;
  border: 1px solid var(--ff-outlet-border-color);
  border-radius: var(--ff-outlet-border-radius);
  background: var(--ff-outlet-background-color);
  color: var(--ff-outlet-color);
  pointer-events: all;
}
f-flow .f-node-outlet.f-node-outlet-disabled,
f-flow .f-node-outlet.f-connector-disabled,
f-flow .f-connector-outlet.f-node-outlet-disabled,
f-flow .f-connector-outlet.f-connector-disabled,
.f-flow .f-node-outlet.f-node-outlet-disabled,
.f-flow .f-node-outlet.f-connector-disabled,
.f-flow .f-connector-outlet.f-node-outlet-disabled,
.f-flow .f-connector-outlet.f-connector-disabled {
  background: var(--ff-outlet-disabled-background-color);
  border-color: var(--ff-outlet-disabled-border-color);
  color: var(--ff-outlet-disabled-color);
}

f-flow .f-connection-content,
.f-flow .f-connection-content {
  box-sizing: border-box;
  color: var(--ff-connection-content-color);
  font-size: var(--ff-connection-content-font-size);
  padding: var(--ff-connection-content-padding-y) var(--ff-connection-content-padding-x);
  background: var(--ff-connection-content-background-color);
  border: 1px solid var(--ff-connection-content-border-color);
  border-radius: var(--ff-connection-content-border-radius);
}
f-flow .f-connection .f-connection-selection,
.f-flow .f-connection .f-connection-selection {
  fill: none;
  stroke: transparent;
  stroke-width: var(--ff-connection-hit-width);
}
f-flow .f-connection .f-connection-path,
.f-flow .f-connection .f-connection-path {
  fill: none;
  stroke: var(--ff-connection-color);
  stroke-width: var(--ff-connection-width);
}
f-flow .f-connection .f-connection-drag-handle,
.f-flow .f-connection .f-connection-drag-handle {
  fill: transparent;
  stroke: transparent;
  cursor: move;
}
f-flow .f-connection.f-snap-connection .f-connection-path,
.f-flow .f-connection.f-snap-connection .f-connection-path {
  stroke: var(--ff-snap-connection-color);
  stroke-dasharray: 8 4;
}
f-flow .f-connection.f-selected .f-connection-content,
.f-flow .f-connection.f-selected .f-connection-content {
  border-color: var(--ff-connection-content-border-color-selected);
}
f-flow .f-connection.f-selected .f-connection-path,
.f-flow .f-connection.f-selected .f-connection-path {
  stroke: var(--ff-connection-selected-color);
}
f-flow:not(.f-dragging)
  .f-connection:not(.f-dragging):not(.f-selected):not(.f-connection-selection-disabled):hover
  .f-connection-selection,
.f-flow:not(.f-dragging)
  .f-connection:not(.f-dragging):not(.f-selected):not(.f-connection-selection-disabled):hover
  .f-connection-selection {
  stroke: var(--ff-connection-hover-color);
}

f-flow .f-marker,
f-flow .connection-marker,
.f-flow .f-marker,
.f-flow .connection-marker {
  color: var(--ff-marker-color);
}
f-flow .f-marker circle,
f-flow .f-marker rect,
f-flow .f-marker path,
f-flow .f-marker polygon,
f-flow .f-marker line,
f-flow .connection-marker circle,
f-flow .connection-marker rect,
f-flow .connection-marker path,
f-flow .connection-marker polygon,
f-flow .connection-marker line,
.f-flow .f-marker circle,
.f-flow .f-marker rect,
.f-flow .f-marker path,
.f-flow .f-marker polygon,
.f-flow .f-marker line,
.f-flow .connection-marker circle,
.f-flow .connection-marker rect,
.f-flow .connection-marker path,
.f-flow .connection-marker polygon,
.f-flow .connection-marker line {
  fill: currentColor;
  stroke: currentColor;
}
f-flow .f-connection.f-snap-connection .f-marker,
f-flow .f-connection.f-snap-connection .connection-marker,
.f-flow .f-connection.f-snap-connection .f-marker,
.f-flow .f-connection.f-snap-connection .connection-marker {
  color: var(--ff-snap-connection-color);
}
f-flow .f-connection.f-selected .f-marker,
f-flow .f-connection.f-selected .connection-marker,
.f-flow .f-connection.f-selected .f-marker,
.f-flow .f-connection.f-selected .connection-marker {
  color: var(--ff-connection-selected-color);
}

f-flow .f-connection .f-connection-waypoints .f-candidate,
f-flow .f-connection .f-connection-waypoints .f-waypoint,
.f-flow .f-connection .f-connection-waypoints .f-candidate,
.f-flow .f-connection .f-connection-waypoints .f-waypoint {
  vector-effect: non-scaling-stroke;
  transform-box: fill-box;
  transform-origin: center;
  stroke-width: 1.5;
}
f-flow .f-connection .f-connection-waypoints .f-candidate:hover,
f-flow .f-connection .f-connection-waypoints .f-waypoint:hover,
.f-flow .f-connection .f-connection-waypoints .f-candidate:hover,
.f-flow .f-connection .f-connection-waypoints .f-waypoint:hover {
  transform: scale(1.1);
}
f-flow .f-connection .f-connection-waypoints .f-candidate,
.f-flow .f-connection .f-connection-waypoints .f-candidate {
  fill: var(--ff-waypoint-candidate-fill);
  stroke: var(--ff-waypoint-candidate-stroke);
}
f-flow .f-connection .f-connection-waypoints .f-waypoint,
.f-flow .f-connection .f-connection-waypoints .f-waypoint {
  fill: var(--ff-waypoint-fill);
  stroke: var(--ff-waypoint-stroke);
  cursor: move;
}

f-flow .f-connection .f-connection-drag-handle,
.f-flow .f-connection .f-connection-drag-handle {
  fill: transparent;
  stroke: var(--ff-connection-drag-handle-stroke);
  stroke-width: 1.5;
}

.f-external-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 14px;
  box-sizing: border-box;
  color: var(--ff-external-item-color);
  background: var(--ff-external-item-background-color);
  border: 1px solid var(--ff-external-item-border-color);
  border-radius: var(--ff-external-item-border-radius);
  box-shadow: var(--ff-external-item-shadow);
  cursor: grab;
  user-select: none;
}
.f-external-item.f-external-item-disabled {
  color: var(--ff-external-item-disabled-color);
  background: var(--ff-external-item-disabled-background-color);
  cursor: not-allowed;
}

.f-external-item-preview {
  box-sizing: border-box;
  box-shadow: var(--ff-external-item-preview-shadow);
}

.f-external-item-placeholder {
  box-sizing: border-box;
  background: var(--ff-external-item-placeholder-background-color);
  border: 1px dashed var(--ff-external-item-placeholder-border-color);
  border-radius: var(--ff-external-item-border-radius);
}

f-flow .f-background line,
f-flow .f-background path,
.f-flow .f-background line,
.f-flow .f-background path {
  stroke: var(--ff-background-line-color);
}
f-flow .f-background circle,
.f-flow .f-background circle {
  fill: var(--ff-background-dot-color);
}

f-flow .f-selection-area,
.f-flow .f-selection-area {
  box-sizing: border-box;
  background: var(--ff-selection-area-color);
  border: 1px solid var(--ff-selection-area-border-color);
}

f-flow .f-minimap,
.f-flow .f-minimap {
  overflow: hidden;
  background: var(--ff-minimap-background-color);
  border: 1px solid var(--ff-minimap-border-color);
  border-radius: var(--ff-minimap-border-radius);
  box-shadow: var(--ff-minimap-shadow);
  bottom: 16px;
  right: 16px;
  width: 140px;
  height: 120px;
}
f-flow .f-minimap .f-minimap-node,
f-flow .f-minimap .f-minimap-group,
.f-flow .f-minimap .f-minimap-node,
.f-flow .f-minimap .f-minimap-group {
  fill: var(--ff-minimap-node-color);
}
f-flow .f-minimap .f-minimap-node.f-selected,
f-flow .f-minimap .f-minimap-group.f-selected,
.f-flow .f-minimap .f-minimap-node.f-selected,
.f-flow .f-minimap .f-minimap-group.f-selected {
  fill: var(--ff-minimap-node-selected-color);
}
f-flow .f-minimap .f-minimap-view,
.f-flow .f-minimap .f-minimap-view {
  fill: var(--ff-minimap-view-color);
  stroke: var(--ff-minimap-view-border-color);
  stroke-width: 1;
}

f-flow .f-magnetic-lines .f-line,
f-flow .f-line-alignment .f-line,
.f-flow .f-magnetic-lines .f-line,
.f-flow .f-line-alignment .f-line {
  background: var(--ff-magnetic-line-color);
}

f-flow .f-magnetic-rects .f-rect,
.f-flow .f-magnetic-rects .f-rect {
  box-sizing: border-box;
  background: var(--ff-magnetic-rect-fill);
  border: 1px solid var(--ff-magnetic-rect-border-color);
}

/*
 * Foblex selects its dark palette with a `.dark` class or `data-theme` attribute.
 * TailNG themes are runtime CSS variables instead, so bridge the Foblex semantic
 * layer to those variables. The references stay live when presets or modes change.
 */
:root {
  --ff-color-surface-page: var(--tng-semantic-background-canvas, var(--ff-gray-25));
  --ff-color-surface-canvas: var(--tng-semantic-background-canvas, var(--ff-gray-25));
  --ff-color-surface-card: var(--tng-semantic-background-surface, var(--ff-white));
  --ff-color-surface-group: color-mix(
    in srgb,
    var(--tng-semantic-accent-brand, var(--ff-blue-400)) 14%,
    transparent
  );
  --ff-color-surface-group-active: color-mix(
    in srgb,
    var(--tng-semantic-accent-brand, var(--ff-blue-400)) 22%,
    transparent
  );
  --ff-color-surface-muted: var(--tng-semantic-background-muted, var(--ff-gray-50));
  --ff-color-surface-soft: var(--tng-semantic-background-base, var(--ff-gray-75));
  --ff-color-surface-accent-soft: color-mix(
    in srgb,
    var(--tng-semantic-accent-brand, var(--ff-blue-400)) 12%,
    transparent
  );
  --ff-color-border-default: var(--tng-semantic-border-default, var(--ff-alpha-black-12));
  --ff-color-border-subtle: var(--tng-semantic-border-subtle, var(--ff-alpha-black-08));
  --ff-color-border-strong: var(--tng-semantic-border-strong, var(--ff-alpha-black-20));
  --ff-color-border-accent: var(--tng-semantic-accent-brand, var(--ff-blue-500));
  --ff-color-text-primary: var(--tng-semantic-foreground-primary, var(--ff-gray-800));
  --ff-color-text-secondary: var(--tng-semantic-foreground-secondary, var(--ff-gray-500));
  --ff-color-text-tertiary: var(--tng-semantic-foreground-muted, var(--ff-gray-400));
  --ff-color-text-inverse: var(--tng-semantic-foreground-inverse, var(--ff-white));
  --ff-color-accent: var(--tng-semantic-accent-brand, var(--ff-blue-500));
  --ff-color-accent-strong: var(--tng-semantic-focus-ring, var(--ff-blue-600));
  --ff-color-success: var(--tng-semantic-accent-success, var(--ff-green-400));
  --ff-color-warning: var(--tng-semantic-accent-warning, var(--ff-yellow-400));
  --ff-color-danger: var(--tng-semantic-accent-danger, var(--ff-red-400));
  --ff-color-disabled-surface: var(--tng-semantic-background-muted, var(--ff-gray-100));
  --ff-color-disabled-border: var(--tng-semantic-border-subtle, var(--ff-alpha-black-10));
  --ff-color-disabled-text: var(--tng-semantic-foreground-muted, var(--ff-gray-300));
  --ff-color-selection-fill: color-mix(
    in srgb,
    var(--tng-semantic-accent-brand, var(--ff-blue-400)) 14%,
    transparent
  );
  --ff-color-selection-stroke: color-mix(
    in srgb,
    var(--tng-semantic-accent-brand, var(--ff-blue-400)) 36%,
    transparent
  );
  --ff-color-grid: color-mix(
    in srgb,
    var(--tng-semantic-foreground-primary, var(--ff-gray-800)) 8%,
    transparent
  );
  --ff-color-grid-strong: color-mix(
    in srgb,
    var(--tng-semantic-foreground-primary, var(--ff-gray-800)) 18%,
    transparent
  );
  --ff-color-connector-connected: var(--tng-semantic-accent-brand, var(--ff-blue-500));
  --ff-color-connection: var(--tng-semantic-foreground-secondary, var(--ff-gray-600));
  --ff-color-connection-muted: var(--tng-semantic-foreground-muted, var(--ff-gray-300));
  --ff-color-connection-hover: color-mix(
    in srgb,
    var(--tng-semantic-accent-brand, var(--ff-blue-400)) 18%,
    transparent
  );
  --ff-color-grouping-drop-target-border: var(
    --tng-semantic-foreground-primary,
    var(--ff-gray-800)
  );
  --ff-color-grouping-drop-target-border-active: var(
    --tng-semantic-accent-brand,
    var(--ff-blue-500)
  );
  --ff-color-waypoint-fill: var(--tng-semantic-background-surface, var(--ff-white));
  --ff-color-waypoint-stroke: var(--tng-semantic-accent-brand, var(--ff-blue-500));
  --ff-color-waypoint-candidate-fill: var(--tng-semantic-background-surface, var(--ff-white));
  --ff-color-waypoint-candidate-stroke: var(--tng-semantic-accent-success, var(--ff-green-400));
  --ff-color-minimap-surface: var(--tng-semantic-background-surface, var(--ff-white));
  --ff-color-minimap-node: var(--tng-semantic-foreground-secondary, var(--ff-gray-700));
  --ff-color-minimap-view: color-mix(
    in srgb,
    var(--tng-semantic-accent-brand, var(--ff-blue-400)) 18%,
    transparent
  );
  --ff-color-magnetic-line: var(--tng-semantic-accent-brand, var(--ff-blue-500));
  --ff-color-magnetic-rect-fill: color-mix(
    in srgb,
    var(--tng-semantic-accent-brand, var(--ff-blue-400)) 10%,
    transparent
  );
  --ff-color-magnetic-rect-border: color-mix(
    in srgb,
    var(--tng-semantic-accent-brand, var(--ff-blue-400)) 28%,
    transparent
  );
  --ff-shadow-surface: 0 1px 2px rgb(0 0 0 / 12%), 0 8px 20px rgb(0 0 0 / 10%);
  --ff-shadow-floating: 0 14px 36px rgb(0 0 0 / 22%), 0 4px 12px rgb(0 0 0 / 14%);
}

/* Stable TailNG presentation tokens. Foblex selectors below remain an internal bridge. */
tng-flow-editor {
  --tng-flow-grid-dot-radius: 1px;
  --ff-background-dot-color: var(
    --tng-flow-grid-color,
    color-mix(in srgb, var(--tng-semantic-foreground-primary, var(--ff-gray-800)) 26%, transparent)
  );
  --tng-flow-connection-color: var(--tng-semantic-foreground-secondary, var(--ff-color-connection));
  --tng-flow-node-error-border: var(--tng-semantic-accent-danger, #dc2626);
  --tng-flow-node-warning-border: var(--tng-semantic-accent-warning, #d97706);
  --tng-flow-node-info-border: var(--tng-semantic-accent-info, #0284c7);
  --tng-flow-port-error-color: var(--tng-semantic-accent-danger, #dc2626);
  --tng-flow-port-warning-color: var(--tng-semantic-accent-warning, #d97706);
  --tng-flow-port-info-color: var(--tng-semantic-accent-info, #0284c7);
  --tng-flow-connection-error-color: var(--tng-semantic-accent-danger, #dc2626);
  --tng-flow-connection-warning-color: var(--tng-semantic-accent-warning, #d97706);
  --tng-flow-connection-info-color: var(--tng-semantic-accent-info, #0284c7);
  --tng-flow-connection-active-color: var(--tng-semantic-accent-brand, #2563eb);
  --tng-flow-connection-success-color: var(--tng-semantic-accent-success, #16a34a);
  --tng-flow-connection-disabled-color: var(
    --tng-semantic-foreground-muted,
    var(--ff-color-connection-muted)
  );
  --tng-flow-connection-width: 2px;
  --tng-flow-connection-selected-width: 3px;
  --tng-flow-connection-hit-width: 14px;
  --tng-flow-connection-dash-size: 8;
  --tng-flow-connection-dash-gap: 6;
  --tng-flow-connection-flow-duration-slow: 1.8s;
  --tng-flow-connection-flow-duration-normal: 1s;
  --tng-flow-connection-flow-duration-fast: 0.55s;
  --tng-flow-connection-motion-duration-slow: var(--tng-flow-connection-flow-duration-slow);
  --tng-flow-connection-motion-duration-normal: var(--tng-flow-connection-flow-duration-normal);
  --tng-flow-connection-motion-duration-fast: var(--tng-flow-connection-flow-duration-fast);
  --tng-flow-connection-motion-reduced-width: 3px;
  --tng-flow-connection-label-background: var(--tng-semantic-background-surface, #fff);
  --tng-flow-connection-label-color: var(--tng-semantic-foreground-secondary, #475569);
  --tng-flow-connection-label-border: var(--tng-semantic-border-default, #e2e8f0);
  --tng-flow-connection-waypoint-fill: var(--tng-semantic-background-surface, #fff);
  --tng-flow-connection-waypoint-stroke: var(--tng-semantic-accent-brand, #2563eb);
  --ff-connection-color: var(--tng-flow-connection-color);
  --ff-connection-width: var(--tng-flow-connection-width);
  --ff-connection-hit-width: var(--tng-flow-connection-hit-width);
  --ff-connection-content-background-color: var(--tng-flow-connection-label-background);
  --ff-connection-content-color: var(--tng-flow-connection-label-color);
  --ff-connection-content-border-color: var(--tng-flow-connection-label-border);
  --ff-color-waypoint-fill: var(--tng-flow-connection-waypoint-fill);
  --ff-color-waypoint-stroke: var(--tng-flow-connection-waypoint-stroke);
  --tng-flow-validation-badge-size: 1.25rem;
  --tng-flow-minimap-background: var(--tng-semantic-background-surface, #fff);
  --tng-flow-minimap-border: var(--tng-semantic-border-default, rgb(0 0 0 / 16%));
  --tng-flow-minimap-shadow: var(--ff-shadow-floating);
  --tng-flow-minimap-node: var(--tng-semantic-foreground-secondary, #475569);
  --tng-flow-minimap-node-selected: var(--tng-semantic-accent-brand, #2563eb);
  --tng-flow-minimap-node-disabled: var(--tng-semantic-foreground-muted, #94a3b8);
  --tng-flow-minimap-node-highlighted: var(--tng-semantic-accent-info, #0284c7);
  --tng-flow-minimap-node-error: var(--tng-semantic-accent-danger, #dc2626);
  --tng-flow-minimap-node-warning: var(--tng-semantic-accent-warning, #d97706);
  --tng-flow-minimap-viewport-border: color-mix(
    in srgb,
    var(--tng-semantic-accent-brand, #2563eb) 54%,
    transparent
  );
  --tng-flow-minimap-viewport-background: color-mix(
    in srgb,
    var(--tng-semantic-accent-brand, #2563eb) 16%,
    transparent
  );
  --ff-minimap-background-color: var(--tng-flow-minimap-background);
  --ff-minimap-border-color: var(--tng-flow-minimap-border);
  --ff-minimap-shadow: var(--tng-flow-minimap-shadow);
  --ff-minimap-node-color: var(--tng-flow-minimap-node);
  --ff-minimap-node-selected-color: var(--tng-flow-minimap-node-selected);
  --ff-minimap-view-border-color: var(--tng-flow-minimap-viewport-border);
  --ff-minimap-view-color: var(--tng-flow-minimap-viewport-background);
}
tng-flow-editor f-flow .f-background circle {
  r: var(--tng-flow-grid-dot-radius);
}
tng-flow-editor .tng-flow-minimap__node--selected {
  fill: var(--tng-flow-minimap-node-selected);
}
tng-flow-editor .tng-flow-minimap__node--disabled {
  fill: var(--tng-flow-minimap-node-disabled);
  opacity: 0.55;
}
tng-flow-editor .tng-flow-minimap__node--highlighted {
  fill: var(--tng-flow-minimap-node-highlighted);
}
tng-flow-editor .tng-flow-minimap__node--warning {
  fill: var(--tng-flow-minimap-node-warning);
}
tng-flow-editor .tng-flow-minimap__node--error {
  fill: var(--tng-flow-minimap-node-error);
}
tng-flow-editor .tng-flow-editor__connection[data-status='active'] {
  --ff-connection-color: var(--tng-flow-connection-active-color);
}
tng-flow-editor .tng-flow-editor__connection[data-status='success'] {
  --ff-connection-color: var(--tng-flow-connection-success-color);
}
tng-flow-editor .tng-flow-editor__connection[data-status='warning'] {
  --ff-connection-color: var(--tng-flow-connection-warning-color);
}
tng-flow-editor .tng-flow-editor__connection[data-status='error'] {
  --ff-connection-color: var(--tng-flow-connection-error-color);
}
tng-flow-editor .tng-flow-editor__connection[data-status='disabled'] {
  --ff-connection-color: var(--tng-flow-connection-disabled-color);
  opacity: 0.55;
}
tng-flow-editor .tng-flow-editor__connection[data-validation='info'] {
  --ff-connection-color: var(--tng-flow-connection-info-color);
}
tng-flow-editor .tng-flow-editor__connection[data-validation='warning'] {
  --ff-connection-color: var(--tng-flow-connection-warning-color);
}
tng-flow-editor .tng-flow-editor__connection[data-validation='error'] {
  --ff-connection-color: var(--tng-flow-connection-error-color);
}
tng-flow-editor .tng-flow-editor__connection[data-highlighted] {
  --ff-connection-width: var(--tng-flow-connection-selected-width);
}
tng-flow-editor .tng-flow-editor__connection[data-dimmed] {
  opacity: 0.38;
}
tng-flow-editor .tng-flow-editor__connection[data-motion='flow'] .f-connection-path {
  animation: tng-flow-connection-forward var(--tng-flow-connection-motion-duration-normal) linear
    infinite;
  stroke-dasharray: var(--tng-flow-connection-dash-size) var(--tng-flow-connection-dash-gap);
}
tng-flow-editor
  .tng-flow-editor__connection[data-motion='flow'][data-motion-speed='slow']
  .f-connection-path {
  animation-duration: var(--tng-flow-connection-motion-duration-slow);
}
tng-flow-editor
  .tng-flow-editor__connection[data-motion='flow'][data-motion-speed='fast']
  .f-connection-path {
  animation-duration: var(--tng-flow-connection-motion-duration-fast);
}
tng-flow-editor
  .tng-flow-editor__connection[data-motion='flow'][data-motion-direction='reverse']
  .f-connection-path {
  animation-name: tng-flow-connection-reverse;
}
tng-flow-editor .tng-flow-editor__connection[data-motion='pulse'] .f-connection-path {
  animation: tng-flow-connection-pulse var(--tng-flow-connection-motion-duration-normal) ease-in-out
    infinite;
}
tng-flow-editor
  .tng-flow-editor__connection[data-motion='pulse'][data-motion-speed='slow']
  .f-connection-path {
  animation-duration: var(--tng-flow-connection-motion-duration-slow);
}
tng-flow-editor
  .tng-flow-editor__connection[data-motion='pulse'][data-motion-speed='fast']
  .f-connection-path {
  animation-duration: var(--tng-flow-connection-motion-duration-fast);
}
tng-flow-editor .tng-flow-editor__connection-marker path {
  fill: var(--ff-marker-color, var(--ff-connection-color));
}
tng-flow-editor
  .tng-flow-editor[data-motion-preference='disabled']
  .tng-flow-editor__connection:is([data-motion='flow'], [data-motion='pulse'])
  .f-connection-path {
  animation: none;
  stroke-dasharray: none;
  stroke-width: var(--tng-flow-connection-motion-reduced-width);
}

@keyframes tng-flow-connection-forward {
  to {
    stroke-dashoffset: -28;
  }
}
@keyframes tng-flow-connection-reverse {
  to {
    stroke-dashoffset: 28;
  }
}
@keyframes tng-flow-connection-pulse {
  50% {
    opacity: 0.48;
    stroke-width: var(--tng-flow-connection-motion-reduced-width);
  }
}
@media (prefers-reduced-motion: reduce) {
  tng-flow-editor
    .tng-flow-editor:not([data-motion-preference='enabled'])
    .tng-flow-editor__connection:is([data-motion='flow'], [data-motion='pulse'])
    .f-connection-path {
    animation: none;
    stroke-dasharray: none;
    stroke-width: var(--tng-flow-connection-motion-reduced-width);
  }
}
@media (forced-colors: active) {
  tng-flow-editor .tng-flow-editor__connection {
    --ff-connection-color: CanvasText;
    --ff-connection-selected-color: Highlight;
  }
  tng-flow-editor .tng-flow-editor__connection[data-validation='error'] {
    --ff-connection-color: Mark;
  }
}
/*
 * Foblex positions reassignment handles just inside connection endpoints. Keep
 * those handles available without making them look like misplaced ports while
 * the connection is idle.
 */
f-flow .f-connection .f-connection-drag-handle,
.f-flow .f-connection .f-connection-drag-handle {
  visibility: hidden;
  pointer-events: none;
}
f-flow
  .f-connection:not(.f-connection-reassign-disabled):is(:hover, .f-selected, .f-dragging)
  .f-connection-drag-handle,
.f-flow
  .f-connection:not(.f-connection-reassign-disabled):is(:hover, .f-selected, .f-dragging)
  .f-connection-drag-handle {
  visibility: visible;
  pointer-events: all;
}
f-flow .f-connection.f-connection-reassign-disabled .f-connection-drag-handle,
.f-flow .f-connection.f-connection-reassign-disabled .f-connection-drag-handle {
  display: none;
}

/*
 * Connection content is pointer-transparent by default so midpoint labels
 * cannot cover the path or reassignment handles. Explicitly interactive
 * controls projected by a consumer opt back into hit testing.
 */
tng-flow-editor
  .tng-flow-editor__connection-template
  :is(
    input,
    textarea,
    select,
    button,
    a[href],
    audio[controls],
    video[controls],
    summary,
    [contenteditable]:not([contenteditable='false']),
    [tabindex]:not([tabindex='-1'])
  ) {
  pointer-events: auto;
}