/* Agent Canvas — interface system */
:root {
  color-scheme: dark;
  --bg: #09090d;
  --bg-elevated: #101017;
  --panel: rgba(17, 17, 25, 0.96);
  --panel-soft: #15151e;
  --panel-hover: #1b1b27;
  --canvas: #0c0c12;
  --text: #f6f5fb;
  --text-soft: #b2b0c0;
  --text-muted: #777586;
  --border: rgba(255, 255, 255, 0.085);
  --border-strong: rgba(255, 255, 255, 0.15);
  --purple: #8067ff;
  --purple-bright: #9c87ff;
  --purple-soft: rgba(128, 103, 255, 0.14);
  --cyan: #3ddbd9;
  --green: #63d6a6;
  --amber: #f6b94a;
  --coral: #ff7c6b;
  --blue: #62a8ff;
  --danger: #ff6e77;
  --shadow: 0 18px 55px rgba(0, 0, 0, 0.35);
  --node-shadow:
    0 16px 44px rgba(0, 0, 0, 0.38), 0 1px 0 rgba(255, 255, 255, 0.04) inset;
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 18px;
  --topbar-h: 68px;
  --library-w: 276px;
  --inspector-w: 316px;
  --node-w: 228px;
}

html[data-theme="light"] {
  color-scheme: light;
  --bg: #f3f2f8;
  --bg-elevated: #fff;
  --panel: rgba(252, 252, 255, 0.97);
  --panel-soft: #f4f3f8;
  --panel-hover: #eeecf6;
  --canvas: #f7f6fb;
  --text: #1c1a27;
  --text-soft: #5d596e;
  --text-muted: #898596;
  --border: rgba(27, 23, 47, 0.105);
  --border-strong: rgba(27, 23, 47, 0.18);
  --purple: #6748ec;
  --purple-bright: #7558ee;
  --purple-soft: rgba(103, 72, 236, 0.11);
  --shadow: 0 18px 55px rgba(41, 33, 75, 0.12);
  --node-shadow: 0 12px 34px rgba(37, 30, 67, 0.13), 0 1px 0 #fff inset;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family:
    Inter,
    ui-sans-serif,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  font-size: 14px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}

button,
input,
select,
textarea {
  color: inherit;
  font: inherit;
}

button,
select,
label[for],
input[type="range"] {
  cursor: pointer;
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--purple-bright);
  outline-offset: 2px;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.4;
}

svg {
  display: block;
}

.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.skip-link {
  position: fixed;
  z-index: 200;
  top: 8px;
  left: 8px;
  padding: 9px 14px;
  border-radius: 8px;
  background: var(--purple);
  color: #fff;
  font-weight: 700;
  text-decoration: none;
  transform: translateY(-140%);
  transition: transform 150ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.app-shell {
  height: 100%;
  display: grid;
  grid-template-rows: var(--topbar-h) minmax(0, 1fr);
}

.topbar {
  position: relative;
  z-index: 50;
  display: grid;
  grid-template-columns: var(--library-w) minmax(280px, 1fr) auto;
  align-items: center;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg-elevated) 92%, transparent);
  backdrop-filter: blur(16px);
}

.brand {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 0 18px;
  border-right: 1px solid var(--border);
}

.brand-mark {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  border-radius: 11px;
  background: linear-gradient(145deg, #9b83ff, #6545ee);
  box-shadow:
    0 8px 20px rgba(103, 72, 236, 0.32),
    inset 0 1px rgba(255, 255, 255, 0.35);
  color: #fff;
}

.brand-mark svg {
  width: 23px;
  height: 23px;
}

.brand-copy {
  min-width: 0;
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-copy strong {
  font-size: 14px;
  letter-spacing: -0.01em;
}

.brand-copy small {
  margin-top: 4px;
  color: var(--text-muted);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.project-identity {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 0 18px;
}

.project-name {
  width: min(330px, 46vw);
  border: 1px solid transparent;
  border-radius: 7px;
  background: transparent;
  color: var(--text);
  font-size: 14px;
  font-weight: 650;
  letter-spacing: -0.01em;
  padding: 7px 8px;
}

.project-name:hover {
  border-color: var(--border);
}

.project-name:focus {
  border-color: var(--purple);
  background: var(--panel-soft);
}

.save-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-muted);
  font-size: 11px;
  white-space: nowrap;
}

.save-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--green) 15%, transparent);
}

.save-status.saving .save-dot {
  background: var(--amber);
  animation: blink 900ms infinite;
}

.topbar-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  padding: 0 16px;
}

.button,
.icon-button,
.toolbar-button,
.zoom-controls button {
  border: 0;
  background: none;
}

.button {
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 13px;
  border-radius: 9px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: -0.005em;
  transition:
    transform 150ms ease,
    border-color 150ms ease,
    background 150ms ease,
    box-shadow 150ms ease;
}

.button:hover:not(:disabled) {
  transform: translateY(-1px);
}

.button svg {
  width: 15px;
  height: 15px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.button.primary {
  border: 1px solid color-mix(in srgb, var(--purple) 78%, #fff);
  background: linear-gradient(145deg, var(--purple-bright), var(--purple));
  box-shadow:
    0 7px 20px rgba(101, 69, 238, 0.22),
    inset 0 1px rgba(255, 255, 255, 0.2);
  color: #fff;
}

.button.primary:hover:not(:disabled) {
  box-shadow:
    0 9px 26px rgba(101, 69, 238, 0.32),
    inset 0 1px rgba(255, 255, 255, 0.25);
}

.button.secondary {
  border: 1px solid var(--border-strong);
  background: var(--panel-soft);
  color: var(--text-soft);
}

.button.secondary:hover:not(:disabled) {
  border-color: color-mix(in srgb, var(--purple) 45%, var(--border));
  background: var(--panel-hover);
  color: var(--text);
}

.icon-button {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  color: var(--text-muted);
  transition:
    color 150ms ease,
    background 150ms ease;
}

.icon-button:hover:not(:disabled) {
  background: var(--panel-hover);
  color: var(--text);
}

.icon-button svg {
  width: 17px;
  height: 17px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.workspace {
  min-height: 0;
  display: grid;
  grid-template-columns: var(--library-w) minmax(0, 1fr) var(--inspector-w);
}

.panel {
  min-height: 0;
  background: var(--panel);
}

.library-panel,
.inspector-panel {
  position: relative;
  z-index: 20;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--border-strong) transparent;
}

.library-panel {
  padding: 19px 16px;
  border-right: 1px solid var(--border);
}

.inspector-panel {
  border-left: 1px solid var(--border);
}

.panel-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.panel-heading h1,
.panel-heading h2,
.dialog-header h2 {
  margin: 2px 0 0;
  color: var(--text);
  font-size: 16px;
  font-weight: 720;
  letter-spacing: -0.025em;
}

.eyebrow {
  color: var(--purple-bright);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.search-box {
  height: 38px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 10px;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: var(--panel-soft);
  transition:
    border-color 150ms ease,
    box-shadow 150ms ease;
}

.search-box:focus-within {
  border-color: color-mix(in srgb, var(--purple) 65%, var(--border));
  box-shadow: 0 0 0 3px var(--purple-soft);
}

.search-box svg {
  width: 15px;
  height: 15px;
  flex: 0 0 auto;
  fill: none;
  stroke: var(--text-muted);
  stroke-width: 1.8;
  stroke-linecap: round;
}

.search-box input {
  width: 100%;
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text);
  font-size: 12px;
}

.search-box input::placeholder {
  color: var(--text-muted);
}

kbd {
  padding: 1px 5px;
  border: 1px solid var(--border-strong);
  border-radius: 4px;
  background: var(--bg-elevated);
  color: var(--text-muted);
  font-family: inherit;
  font-size: 10px;
  box-shadow: 0 1px var(--border-strong);
}

.segmented-control {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3px;
  margin-top: 13px;
  padding: 3px;
  border-radius: 9px;
  background: var(--panel-soft);
}

.segmented-control button {
  padding: 7px 8px;
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 700;
}

.segmented-control button.active {
  background: var(--bg-elevated);
  color: var(--text);
  box-shadow:
    0 3px 12px rgba(0, 0, 0, 0.14),
    inset 0 0 0 1px var(--border);
}

.library-section {
  margin-top: 15px;
}

.section-help {
  margin: 0 2px 11px;
  color: var(--text-muted);
  font-size: 10px;
  line-height: 1.5;
}

.component-list,
.template-list {
  display: grid;
  gap: 8px;
}

.component-card {
  width: 100%;
  display: grid;
  grid-template-columns: 34px 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 9px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: color-mix(in srgb, var(--panel-soft) 70%, transparent);
  color: var(--text);
  text-align: left;
  transition:
    transform 150ms ease,
    border-color 150ms ease,
    background 150ms ease;
}

.component-card:hover,
.component-card:focus-visible {
  z-index: 1;
  border-color: color-mix(in srgb, var(--component-color) 45%, var(--border));
  background: color-mix(in srgb, var(--component-color) 6%, var(--panel-soft));
  transform: translateX(2px);
}

.component-card[hidden] {
  display: none;
}

.component-icon,
.node-type-icon {
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: color-mix(
    in srgb,
    var(--component-color, var(--purple)) 13%,
    transparent
  );
  color: var(--component-color, var(--purple-bright));
}

.component-icon {
  width: 34px;
  height: 34px;
}

.component-icon svg,
.node-type-icon svg {
  width: 17px;
  height: 17px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.component-card-copy {
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.component-card-copy strong {
  font-size: 11px;
  font-weight: 700;
}

.component-card-copy small {
  overflow: hidden;
  color: var(--text-muted);
  font-size: 9px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.component-grip {
  color: var(--text-muted);
  font-size: 14px;
  letter-spacing: 1px;
}

.template-card {
  position: relative;
  overflow: hidden;
  padding: 13px;
  border: 1px solid var(--border);
  border-radius: 11px;
  background: linear-gradient(
    145deg,
    color-mix(in srgb, var(--template-color) 10%, var(--panel-soft)),
    var(--panel-soft)
  );
}

.template-card::after {
  content: "";
  position: absolute;
  width: 90px;
  height: 90px;
  right: -36px;
  top: -48px;
  border-radius: 50%;
  background: var(--template-color);
  opacity: 0.09;
  filter: blur(2px);
}

.template-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.template-card strong {
  font-size: 11px;
}

.template-card p {
  margin: 7px 0 10px;
  color: var(--text-muted);
  font-size: 9px;
  line-height: 1.5;
}

.template-badge {
  padding: 3px 6px;
  border-radius: 99px;
  background: color-mix(in srgb, var(--template-color) 13%, transparent);
  color: var(--template-color);
  font-size: 8px;
  font-weight: 800;
  text-transform: uppercase;
}

.template-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.template-node-dots {
  display: flex;
}

.template-node-dots i {
  width: 17px;
  height: 17px;
  display: grid;
  place-items: center;
  margin-left: -3px;
  border: 2px solid var(--panel-soft);
  border-radius: 50%;
  background: var(--dot-color, var(--purple));
  color: #fff;
  font-style: normal;
  font-size: 7px;
}

.template-node-dots i:first-child {
  margin-left: 0;
}

.template-use {
  padding: 4px 8px;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  background: var(--bg-elevated);
  color: var(--text-soft);
  font-size: 9px;
  font-weight: 700;
}

.template-use:hover {
  border-color: var(--template-color);
  color: var(--text);
}

.library-tip {
  display: flex;
  gap: 9px;
  margin-top: 18px;
  padding: 11px;
  border: 1px solid color-mix(in srgb, var(--purple) 20%, var(--border));
  border-radius: 10px;
  background: var(--purple-soft);
}

.tip-icon {
  flex: 0 0 auto;
  color: var(--purple-bright);
}

.library-tip strong {
  display: block;
  margin-bottom: 2px;
  font-size: 9px;
}

.library-tip p {
  margin: 0;
  color: var(--text-muted);
  font-size: 9px;
  line-height: 1.45;
}

.canvas-section {
  position: relative;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  background: var(--canvas);
}

.canvas-toolbar {
  position: absolute;
  z-index: 15;
  top: 13px;
  left: 50%;
  width: calc(100% - 28px);
  max-width: 690px;
  min-height: 42px;
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 5px 7px;
  border: 1px solid var(--border);
  border-radius: 11px;
  background: color-mix(in srgb, var(--bg-elevated) 88%, transparent);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(15px);
  transform: translateX(-50%);
}

.toolbar-group {
  display: flex;
  align-items: center;
  gap: 2px;
}

.toolbar-button {
  min-width: 30px;
  height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 0 7px;
  border-radius: 7px;
  color: var(--text-muted);
  font-size: 10px;
  font-weight: 700;
  transition:
    color 150ms ease,
    background 150ms ease;
}

.toolbar-button:hover:not(:disabled),
.toolbar-button.active {
  background: var(--panel-hover);
  color: var(--text);
}

.toolbar-button.active {
  background: var(--purple-soft);
  color: var(--purple-bright);
}

.toolbar-button svg {
  width: 15px;
  height: 15px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.toolbar-divider {
  width: 1px;
  height: 20px;
  background: var(--border);
}

.toolbar-spacer,
.dialog-spacer {
  flex: 1;
}

.zoom-controls {
  height: 28px;
  display: grid;
  grid-template-columns: 26px 43px 26px;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 7px;
  color: var(--text-muted);
}

.zoom-controls button {
  height: 100%;
  color: var(--text-muted);
  font-size: 16px;
}

.zoom-controls button:hover {
  background: var(--panel-hover);
  color: var(--text);
}

.zoom-controls output {
  text-align: center;
  font-size: 9px;
  font-weight: 700;
}

.canvas-stage {
  position: absolute;
  inset: 0;
  overflow: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--border-strong) transparent;
  background-color: var(--canvas);
  background-image: radial-gradient(
    circle,
    color-mix(in srgb, var(--text-muted) 25%, transparent) 0.7px,
    transparent 0.8px
  );
  background-size: 20px 20px;
}

.canvas-stage.connecting {
  cursor: crosshair;
}

.canvas-stage.drag-over {
  background-color: color-mix(in srgb, var(--purple) 4%, var(--canvas));
}

.canvas-world {
  position: relative;
  width: 1600px;
  height: 1000px;
  transform-origin: 0 0;
  transition: transform 180ms ease;
}

.edge-layer,
.node-layer {
  position: absolute;
  inset: 0;
}

.edge-layer {
  overflow: visible;
  pointer-events: none;
}

.workflow-edge {
  pointer-events: stroke;
}

.workflow-edge .edge-hitbox {
  fill: none;
  stroke: transparent;
  stroke-width: 15;
  cursor: pointer;
  pointer-events: stroke;
}

.workflow-edge .edge-line {
  fill: none;
  stroke: color-mix(in srgb, var(--text-muted) 58%, transparent);
  stroke-width: 1.7;
  stroke-linecap: round;
  marker-end: url(#arrow);
  pointer-events: none;
  transition:
    stroke 180ms ease,
    stroke-width 180ms ease,
    opacity 180ms ease;
}

.workflow-edge:hover .edge-line,
.workflow-edge.selected .edge-line {
  stroke: var(--purple-bright);
  stroke-width: 2.4;
}

.workflow-edge.active .edge-line {
  stroke: var(--purple-bright);
  stroke-width: 2.7;
  stroke-dasharray: 8 6;
  filter: url(#edge-glow);
  animation: edge-flow 700ms linear infinite;
}

.canvas-node {
  --node-color: var(--purple);
  position: absolute;
  width: var(--node-w);
  min-height: 132px;
  padding: 13px 13px 11px;
  border: 1px solid var(--border-strong);
  border-radius: 13px;
  background: color-mix(in srgb, var(--bg-elevated) 96%, var(--node-color) 4%);
  box-shadow: var(--node-shadow);
  cursor: grab;
  user-select: none;
  touch-action: none;
  transition:
    border-color 150ms ease,
    box-shadow 150ms ease,
    transform 150ms ease;
}

.canvas-node::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(
    125deg,
    color-mix(in srgb, var(--node-color) 8%, transparent),
    transparent 45%
  );
  pointer-events: none;
}

.canvas-node:hover {
  border-color: color-mix(in srgb, var(--node-color) 45%, var(--border));
  transform: translateY(-1px);
}

.canvas-node.selected {
  border-color: var(--node-color);
  box-shadow:
    0 0 0 3px color-mix(in srgb, var(--node-color) 15%, transparent),
    var(--node-shadow);
}

.canvas-node.dragging {
  z-index: 30;
  cursor: grabbing;
  transform: scale(1.015);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.48);
}

.canvas-node.running {
  border-color: var(--node-color);
  box-shadow:
    0 0 0 4px color-mix(in srgb, var(--node-color) 14%, transparent),
    0 0 28px color-mix(in srgb, var(--node-color) 23%, transparent),
    var(--node-shadow);
  animation: node-running 900ms ease-in-out infinite alternate;
}

.canvas-node.complete::after {
  content: "✓";
  position: absolute;
  top: -8px;
  right: -8px;
  width: 21px;
  height: 21px;
  display: grid;
  place-items: center;
  border: 3px solid var(--canvas);
  border-radius: 50%;
  background: var(--green);
  color: #071711;
  font-size: 9px;
  font-weight: 900;
}

.node-head {
  position: relative;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) auto;
  align-items: center;
  gap: 9px;
}

.node-type-icon {
  width: 34px;
  height: 34px;
  --component-color: var(--node-color);
}

.node-title {
  min-width: 0;
}

.node-title strong {
  display: block;
  overflow: hidden;
  color: var(--text);
  font-size: 11px;
  font-weight: 750;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.node-title small {
  display: block;
  margin-top: 2px;
  color: var(--node-color);
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.node-grip {
  color: var(--text-muted);
  font-size: 12px;
  letter-spacing: 1px;
  opacity: 0.6;
}

.node-description {
  position: relative;
  display: -webkit-box;
  overflow: hidden;
  min-height: 29px;
  margin: 11px 0 10px;
  color: var(--text-muted);
  font-size: 9px;
  line-height: 1.55;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.node-meta {
  position: relative;
  display: flex;
  align-items: center;
  gap: 5px;
  padding-top: 9px;
  border-top: 1px solid var(--border);
}

.node-chip {
  max-width: 112px;
  overflow: hidden;
  padding: 3px 6px;
  border-radius: 5px;
  background: var(--panel-soft);
  color: var(--text-muted);
  font-size: 7px;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.node-chip.model {
  color: var(--text-soft);
}

.node-chip.memory {
  margin-left: auto;
  background: color-mix(in srgb, var(--green) 10%, transparent);
  color: var(--green);
}

.node-port {
  position: absolute;
  z-index: 4;
  top: 50%;
  width: 14px;
  height: 14px;
  display: grid;
  place-items: center;
  padding: 0;
  border: 3px solid var(--canvas);
  border-radius: 50%;
  background: var(--node-color);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--node-color) 65%, #fff);
  transform: translateY(-50%);
  transition:
    transform 140ms ease,
    box-shadow 140ms ease;
}

.node-port::after {
  content: "";
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: #fff;
  opacity: 0.8;
}

.node-port:hover,
.node-port.awaiting {
  transform: translateY(-50%) scale(1.3);
  box-shadow: 0 0 0 5px color-mix(in srgb, var(--node-color) 14%, transparent);
}

.node-port.input {
  left: -8px;
}

.node-port.output {
  right: -8px;
}

.canvas-empty {
  position: fixed;
  z-index: 5;
  top: 50%;
  left: 50%;
  width: 320px;
  text-align: center;
  transform: translate(-50%, -50%);
}

.empty-orbit {
  position: relative;
  width: 74px;
  height: 74px;
  display: block;
  margin: 0 auto 18px;
  border: 1px solid color-mix(in srgb, var(--purple) 30%, transparent);
  border-radius: 50%;
  background: var(--purple-soft);
}

.empty-orbit::before,
.empty-orbit::after {
  content: "";
  position: absolute;
  inset: 11px;
  border: 1px dashed color-mix(in srgb, var(--purple) 40%, transparent);
  border-radius: 50%;
}

.empty-orbit::after {
  inset: 27px;
  border-style: solid;
  background: var(--purple);
}

.empty-orbit i {
  position: absolute;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
}

.empty-orbit i:nth-child(1) {
  top: 8px;
  left: 32px;
}
.empty-orbit i:nth-child(2) {
  right: 8px;
  bottom: 18px;
  background: var(--coral);
}
.empty-orbit i:nth-child(3) {
  left: 9px;
  bottom: 17px;
  background: var(--amber);
}

.canvas-empty h2 {
  margin: 0 0 7px;
  font-size: 18px;
  letter-spacing: -0.03em;
}

.canvas-empty p {
  margin: 0 0 15px;
  color: var(--text-muted);
  font-size: 11px;
}

.connection-hint {
  position: fixed;
  z-index: 20;
  left: 50%;
  bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border: 1px solid color-mix(in srgb, var(--purple) 40%, var(--border));
  border-radius: 9px;
  background: var(--bg-elevated);
  box-shadow: var(--shadow);
  color: var(--text-soft);
  font-size: 10px;
  font-weight: 700;
  transform: translateX(-50%);
}

.connection-hint[hidden] {
  display: none;
}

.pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--purple-bright);
  box-shadow: 0 0 0 4px var(--purple-soft);
  animation: blink 900ms infinite;
}

.connection-hint button {
  margin-left: 5px;
  padding: 3px 6px;
  border: 0;
  border-radius: 4px;
  background: var(--panel-hover);
  color: var(--text-muted);
  font-size: 8px;
}

.minimap {
  position: fixed;
  z-index: 8;
  right: calc(var(--inspector-w) + 15px);
  bottom: 15px;
  width: 130px;
  height: 82px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: color-mix(in srgb, var(--bg-elevated) 90%, transparent);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
  pointer-events: none;
  backdrop-filter: blur(10px);
}

.minimap-label {
  position: absolute;
  z-index: 2;
  top: 5px;
  left: 7px;
  color: var(--text-muted);
  font-size: 7px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.minimap-node {
  position: absolute;
  width: 17px;
  height: 8px;
  border-radius: 2px;
  background: var(--mini-color);
  opacity: 0.8;
}

.inspector-heading {
  position: sticky;
  z-index: 5;
  top: 0;
  margin: 0;
  padding: 19px 17px 14px;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--panel) 94%, transparent);
  backdrop-filter: blur(12px);
}

.heading-actions {
  display: flex;
  gap: 2px;
}

.inspector-empty {
  display: grid;
  justify-items: center;
  padding: 80px 28px 30px;
  text-align: center;
}

.inspector-empty-icon {
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  margin-bottom: 14px;
  border: 1px dashed var(--border-strong);
  border-radius: 16px;
  color: var(--text-muted);
}

.inspector-empty-icon svg {
  width: 30px;
  height: 30px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.3;
  stroke-linecap: round;
}

.inspector-empty h3 {
  margin: 0 0 6px;
  font-size: 13px;
}

.inspector-empty p {
  max-width: 200px;
  margin: 0;
  color: var(--text-muted);
  font-size: 10px;
}

.inspector-form {
  padding-bottom: 28px;
}

.selected-node-banner {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr) auto;
  align-items: center;
  gap: 9px;
  margin: 15px;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 11px;
  background: var(--panel-soft);
}

.selected-node-banner .node-type-icon {
  width: 38px;
  height: 38px;
}

.selected-node-banner strong,
.selected-node-banner small {
  display: block;
}

.selected-node-banner strong {
  overflow: hidden;
  font-size: 10px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.selected-node-banner small {
  margin-top: 2px;
  color: var(--text-muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 8px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 6px;
  border-radius: 99px;
  background: color-mix(in srgb, var(--green) 10%, transparent);
  color: var(--green);
  font-size: 7px;
  font-weight: 800;
  text-transform: uppercase;
}

.status-pill i {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: currentColor;
}

.inspector-form fieldset {
  display: grid;
  gap: 7px;
  margin: 0;
  padding: 15px 17px 17px;
  border: 0;
  border-top: 1px solid var(--border);
}

.inspector-form legend {
  float: left;
  width: 100%;
  margin-bottom: 12px;
  color: var(--text-soft);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.field-label {
  margin-top: 3px;
  color: var(--text-muted);
  font-size: 9px;
  font-weight: 650;
}

.field-control {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 8px;
  outline: none;
  background: var(--panel-soft);
  color: var(--text);
  font-size: 10px;
  transition:
    border-color 150ms ease,
    box-shadow 150ms ease;
}

input.field-control,
select.field-control {
  height: 35px;
  padding: 0 10px;
}

textarea.field-control {
  min-height: 88px;
  resize: vertical;
  padding: 9px 10px;
  line-height: 1.5;
}

.field-control:focus {
  border-color: color-mix(in srgb, var(--purple) 65%, var(--border));
  box-shadow: 0 0 0 3px var(--purple-soft);
}

.field-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.range-row output {
  padding: 2px 5px;
  border-radius: 4px;
  background: var(--purple-soft);
  color: var(--purple-bright);
  font-size: 8px;
  font-weight: 800;
}

input[type="range"] {
  width: 100%;
  height: 4px;
  margin: 5px 0 7px;
  border-radius: 99px;
  accent-color: var(--purple);
}

.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 7px 0;
}

.toggle-row span,
.toggle-row strong,
.toggle-row small {
  display: block;
}

.toggle-row strong {
  color: var(--text-soft);
  font-size: 9px;
}

.toggle-row small {
  margin-top: 2px;
  color: var(--text-muted);
  font-size: 8px;
}

input[role="switch"] {
  position: relative;
  width: 31px;
  height: 17px;
  flex: 0 0 auto;
  margin: 0;
  border: 0;
  border-radius: 99px;
  appearance: none;
  background: var(--border-strong);
  transition: background 150ms ease;
}

input[role="switch"]::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.25);
  transition: transform 150ms ease;
}

input[role="switch"]:checked {
  background: var(--purple);
}

input[role="switch"]:checked::after {
  transform: translateX(14px);
}

.danger-button {
  min-height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  margin: 15px 17px 0;
  border: 1px solid color-mix(in srgb, var(--danger) 25%, var(--border));
  border-radius: 8px;
  background: color-mix(in srgb, var(--danger) 7%, transparent);
  color: var(--danger);
  font-size: 9px;
  font-weight: 750;
}

.danger-button:hover {
  background: color-mix(in srgb, var(--danger) 12%, transparent);
}

.danger-button svg {
  width: 14px;
  height: 14px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
}

.run-drawer {
  position: fixed;
  z-index: 90;
  right: calc(var(--inspector-w) + 16px);
  bottom: 16px;
  left: calc(var(--library-w) + 16px);
  max-height: min(390px, calc(100vh - 105px));
  display: grid;
  grid-template-rows: auto minmax(100px, 1fr) auto;
  border: 1px solid var(--border-strong);
  border-radius: 14px;
  background: color-mix(in srgb, var(--bg-elevated) 97%, transparent);
  box-shadow: 0 28px 90px rgba(0, 0, 0, 0.5);
  opacity: 0;
  pointer-events: none;
  transform: translateY(calc(100% + 30px));
  transition:
    opacity 220ms ease,
    transform 300ms cubic-bezier(0.22, 1, 0.36, 1);
  backdrop-filter: blur(18px);
}

.run-drawer.open {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.run-drawer-header {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
}

.run-title {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 190px;
}

.run-title strong,
.run-title small {
  display: block;
}

.run-title strong {
  font-size: 11px;
}

.run-title small {
  margin-top: 2px;
  color: var(--text-muted);
  font-size: 8px;
}

.run-status-icon {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  background: var(--purple-soft);
}

.run-status-icon i {
  width: 8px;
  height: 8px;
  border: 2px solid var(--purple-bright);
  border-radius: 50%;
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--purple) 10%, transparent);
}

.run-status-icon.running i {
  border-top-color: transparent;
  animation: spin 700ms linear infinite;
}

.run-metrics {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 24px;
}

.run-metrics span,
.run-metrics small,
.run-metrics strong {
  display: block;
}

.run-metrics small {
  color: var(--text-muted);
  font-size: 7px;
  text-transform: uppercase;
}

.run-metrics strong {
  margin-top: 2px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 9px;
}

.run-log {
  min-height: 118px;
  overflow: auto;
  padding: 11px 15px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  scrollbar-width: thin;
}

.log-line {
  display: grid;
  grid-template-columns: 58px 68px minmax(0, 1fr);
  gap: 10px;
  padding: 5px 0;
  color: var(--text-muted);
  font-size: 8px;
  line-height: 1.5;
  animation: log-in 220ms ease both;
}

.log-time {
  color: color-mix(in srgb, var(--text-muted) 65%, transparent);
}

.log-level {
  color: var(--purple-bright);
  font-weight: 800;
  text-transform: uppercase;
}

.log-line.success .log-level {
  color: var(--green);
}
.log-line.warn .log-level {
  color: var(--amber);
}
.log-line.error .log-level {
  color: var(--danger);
}
.log-message {
  color: var(--text-soft);
}

.run-footer {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border-top: 1px solid var(--border);
}

.run-footer > span {
  flex: 1;
  color: var(--text-muted);
  font-size: 8px;
}

.export-dialog {
  width: min(680px, calc(100vw - 28px));
  max-height: calc(100vh - 40px);
  padding: 0;
  border: 1px solid var(--border-strong);
  border-radius: 16px;
  background: var(--bg-elevated);
  color: var(--text);
  box-shadow: 0 30px 100px rgba(0, 0, 0, 0.55);
}

.export-dialog::backdrop {
  background: rgba(4, 3, 10, 0.68);
  backdrop-filter: blur(5px);
}

.dialog-card {
  display: grid;
  max-height: inherit;
  grid-template-rows: auto minmax(0, 1fr) auto;
}

.dialog-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 15px;
  padding: 18px 19px;
  border-bottom: 1px solid var(--border);
}

.dialog-header h2 {
  font-size: 18px;
}

.dialog-header p {
  margin: 4px 0 0;
  color: var(--text-muted);
  font-size: 10px;
}

.export-preview {
  min-height: 0;
  margin: 16px 18px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #08080d;
}

.code-toolbar {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 8px 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  color: #7f7c8d;
  font-size: 8px;
}

.code-toolbar span {
  display: flex;
  gap: 4px;
}

.code-toolbar i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #ff6b64;
}

.code-toolbar i:nth-child(2) {
  background: #f0ba45;
}
.code-toolbar i:nth-child(3) {
  background: #5dcc8b;
}

.export-preview pre {
  min-height: 260px;
  max-height: 430px;
  margin: 0;
  overflow: auto;
  padding: 14px;
  color: #b9b4ce;
  font:
    9px/1.6 ui-monospace,
    SFMono-Regular,
    Menlo,
    Consolas,
    monospace;
  tab-size: 2;
  white-space: pre-wrap;
}

.dialog-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 18px;
  border-top: 1px solid var(--border);
}

.import-label {
  cursor: pointer;
}

.import-label input {
  display: none;
}

.toast-region {
  position: fixed;
  z-index: 150;
  right: 18px;
  bottom: 18px;
  display: grid;
  gap: 8px;
  pointer-events: none;
}

.toast {
  min-width: 220px;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 10px 12px;
  border: 1px solid var(--border-strong);
  border-radius: 9px;
  background: var(--bg-elevated);
  box-shadow: var(--shadow);
  color: var(--text-soft);
  font-size: 10px;
  animation: toast-in 220ms ease both;
}

.toast::before {
  content: "✓";
  width: 17px;
  height: 17px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: color-mix(in srgb, var(--green) 15%, transparent);
  color: var(--green);
  font-size: 8px;
  font-weight: 900;
}

.toast.error::before {
  content: "!";
  background: color-mix(in srgb, var(--danger) 15%, transparent);
  color: var(--danger);
}

.mobile-only,
.mobile-panel-close,
.mobile-scrim {
  display: none;
}

@keyframes blink {
  50% {
    opacity: 0.35;
  }
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes edge-flow {
  to {
    stroke-dashoffset: -14;
  }
}

@keyframes node-running {
  from {
    transform: translateY(0);
  }
  to {
    transform: translateY(-2px);
  }
}

@keyframes log-in {
  from {
    opacity: 0;
    transform: translateY(3px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(7px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1180px) {
  :root {
    --library-w: 244px;
    --inspector-w: 285px;
  }

  .library-panel {
    padding-inline: 13px;
  }
  .topbar-actions {
    padding-inline: 10px;
  }
  .save-status {
    display: none;
  }
}

@media (max-width: 900px) {
  :root {
    --topbar-h: 60px;
  }

  .topbar {
    grid-template-columns: auto minmax(0, 1fr) auto;
  }

  .brand {
    width: auto;
    padding: 0 12px;
    border-right: 0;
  }

  .brand-copy {
    display: none;
  }
  .project-identity {
    padding: 0 6px;
  }
  .project-name {
    width: 100%;
  }
  .topbar-actions {
    gap: 2px;
    padding-right: 8px;
  }

  .workspace {
    grid-template-columns: 1fr;
  }

  .canvas-section {
    grid-column: 1;
  }

  .library-panel,
  .inspector-panel {
    position: fixed;
    z-index: 100;
    top: 0;
    bottom: 0;
    width: min(330px, 88vw);
    box-shadow: var(--shadow);
    transition: transform 260ms cubic-bezier(0.22, 1, 0.36, 1);
  }

  .library-panel {
    left: 0;
    border-right: 1px solid var(--border-strong);
    transform: translateX(-105%);
  }

  .inspector-panel {
    right: 0;
    border-left: 1px solid var(--border-strong);
    transform: translateX(105%);
  }

  .library-panel.open,
  .inspector-panel.open {
    transform: translateX(0);
  }

  .mobile-panel-close,
  .mobile-only {
    display: grid;
  }

  .mobile-scrim {
    position: fixed;
    z-index: 95;
    inset: 0;
    background: rgba(5, 4, 12, 0.57);
    backdrop-filter: blur(2px);
  }

  .mobile-scrim.open {
    display: block;
  }
  .minimap {
    right: 15px;
  }

  .run-drawer {
    right: 10px;
    bottom: 10px;
    left: 10px;
  }

  .canvas-toolbar {
    top: 9px;
    width: calc(100% - 18px);
  }
}

@media (max-width: 620px) {
  .desktop-only {
    display: none !important;
  }
  .project-name {
    font-size: 12px;
    padding-inline: 4px;
  }
  .brand-mark {
    width: 32px;
    height: 32px;
  }

  .canvas-toolbar {
    justify-content: space-between;
  }

  .toolbar-spacer {
    display: none;
  }

  .minimap {
    width: 106px;
    height: 67px;
  }

  .run-drawer-header {
    gap: 8px;
  }

  .run-title {
    min-width: 0;
    flex: 1;
  }
  .run-metrics {
    gap: 10px;
    flex: 0 0 auto;
  }
  .run-metrics span:first-child,
  .run-metrics span:last-child {
    display: none;
  }
  .run-footer > span {
    display: none;
  }
  .run-footer {
    justify-content: flex-end;
  }

  .log-line {
    grid-template-columns: 50px minmax(0, 1fr);
  }

  .log-level {
    display: none;
  }

  .dialog-actions {
    flex-wrap: wrap;
  }

  .dialog-spacer {
    display: none;
  }
  .dialog-actions .button {
    flex: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}