:root {
      --bg: #f5f5f5;
      --panel: #ffffff;
      --text: #111111;
      --muted: #6b6b6b;
      --border: #e5e5e5;
    }
    * { box-sizing: border-box; }
    body {
      margin: 0;
      font-family: "IBM Plex Mono", monospace;
      background: var(--bg);
      color: var(--text);
    }
    .app-shell {
      padding: 24px 28px 32px;
      min-height: 100vh;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .canvas-status-stack {
      display: flex;
      flex-direction: column;
      gap: 8px;
    }
    .canvas-status-row {
      display: flex;
      justify-content: flex-end;
      align-items: center;
    }
    .status-card {
      border: 1px solid var(--border);
      padding: 8px 12px;
      min-width: 120px;
      text-align: right;
    }
    .status-card span {
      display: block;
      font-size: 10px;
      text-transform: uppercase;
      letter-spacing: 0.2em;
      color: var(--muted);
    }
    .status-card strong {
      display: block;
      font-weight: 600;
      font-size: 12px;
      word-break: break-all;
    }
    .status-card strong a {
      color: inherit;
      text-decoration: underline;
    }
    .layout {
      display: flex;
      flex-direction: column;
      gap: 20px;
      margin-top: 24px;
    }
    .canvas-root {
      flex: 1;
      min-height: 0;
    }
    .canvas-shell {
      position: relative;
      display: flex;
      flex-direction: column;
      gap: 12px;
      height: 100%;
      min-height: calc(100vh - 160px);
    }
    .canvas-toolbar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
    }
    .canvas-title {
      font-size: 12px;
      letter-spacing: 0.3em;
      text-transform: uppercase;
      color: var(--muted);
    }
    .canvas-actions-bar {
      display: flex;
      align-items: center;
      gap: 8px;
      flex-wrap: wrap;
    }
    .canvas-wrap {
      position: relative;
      min-height: 520px;
      border: 1px solid var(--border);
      background: #ffffff;
      overflow: auto;
      flex: 1;
    }
    .fab {
      position: absolute;
      right: 18px;
      bottom: 18px;
      width: 44px;
      height: 44px;
      border-radius: 999px;
      border: 1px solid var(--border);
      background: #111111;
      color: #ffffff;
      font-size: 22px;
      text-transform: none;
      letter-spacing: 0;
      z-index: 6;
    }
    .fab:hover {
      background: #333333;
      color: #ffffff;
    }
    .fab-play {
      right: 72px;
      width: 44px;
      min-width: 44px;
      height: 44px;
      padding: 0;
      font-size: 18px;
      line-height: 44px;
      background: #ffffff;
      color: #111111;
    }
    .fab-play:hover {
      background: #111111;
      color: #ffffff;
    }
    .fab-play.is-running {
      background: #b91c1c;
      color: #ffffff;
      border-color: #991b1b;
    }
    .fab-play.is-running:hover {
      background: #991b1b;
      color: #ffffff;
    }
    .action-picker {
      position: absolute;
      inset: 0;
      background: rgba(245, 245, 245, 0.92);
      display: none;
      align-items: center;
      justify-content: center;
      z-index: 8;
    }
    .action-picker.active {
      display: flex;
    }
    .action-panel {
      width: min(520px, 90vw);
      background: #ffffff;
      border: 1px solid var(--border);
      padding: 16px;
      display: flex;
      flex-direction: column;
      gap: 12px;
      max-height: 80vh;
    }
    .action-panel-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
    }
    .action-search {
      width: 100%;
      padding: 8px 10px;
      border: 1px solid var(--border);
      background: #ffffff;
    }
    .action-list {
      overflow: auto;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .action-group-title {
      font-size: 10px;
      text-transform: uppercase;
      letter-spacing: 0.3em;
      color: var(--muted);
    }
    .action-item {
      border: 1px solid var(--border);
      padding: 10px;
      text-align: left;
      text-transform: none;
      letter-spacing: 0.02em;
      background: #ffffff;
    }
    .action-item-head {
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .action-item-icon {
      width: 24px;
      height: 24px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border: 1px solid var(--border);
      background: #f7f7f7;
      font-size: 14px;
      line-height: 1;
      flex: 0 0 24px;
    }
    .action-item-title {
      font-size: 15px;
      font-weight: 800;
      line-height: 1.2;
      letter-spacing: 0.01em;
    }
    .action-item-desc {
      margin-top: 6px;
      font-size: 12px;
      line-height: 1.35;
      color: #2a2a2a;
    }
    .action-item:hover {
      background: #111111;
      color: #ffffff;
    }
    .action-item:hover .action-item-icon {
      background: #111111;
      border-color: #ffffff;
    }
    .action-item:hover .action-item-desc {
      color: #ffffff;
    }
    .node-config {
      border: 1px solid var(--border);
      padding: 12px;
      background: #ffffff;
    }
    .node-config.floating {
      position: absolute;
      top: 64px;
      right: 18px;
      width: 280px;
      display: none;
      z-index: 7;
      box-shadow: 0 6px 16px rgba(0, 0, 0, 0.08);
    }
    .node-config.floating.active {
      display: block;
    }
    .settings-backdrop {
      position: absolute;
      inset: 0;
      background: rgba(245, 245, 245, 0.92);
      display: none;
      align-items: center;
      justify-content: center;
      z-index: 9;
    }
    .settings-backdrop.active {
      display: flex;
    }
    .settings-panel {
      width: min(520px, 90vw);
      background: #ffffff;
      border: 1px solid var(--border);
      padding: 16px;
      max-height: 80vh;
      overflow: auto;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .sidebar {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
      gap: 16px;
      order: 2;
    }
    .main {
      display: flex;
      flex-direction: column;
      gap: 16px;
      order: 1;
    }
    .panel {
      background: var(--panel);
      border: 1px solid var(--border);
      padding: 16px;
    }
    .panel h2 {
      margin: 0 0 12px;
      font-size: 11px;
      text-transform: uppercase;
      letter-spacing: 0.35em;
      color: var(--muted);
    }
    .panel-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 12px;
    }
    .panel-sub {
      font-size: 11px;
      color: var(--muted);
    }
    .service-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 12px;
    }
    .canvas-layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr);
      gap: 16px;
    }
    .canvas-palette {
      display: flex;
      flex-direction: column;
      gap: 8px;
    }
    .canvas-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 8px;
    }
    .canvas-wrap {
      position: relative;
      min-height: 520px;
      border: 1px solid var(--border);
      background: #ffffff;
      overflow: auto;
    }
    .workflow-canvas {
      position: relative;
      min-height: 520px;
    }
    .canvas-edge-group .canvas-edge-base {
      fill: none;
      stroke: #111111;
      stroke-width: 2;
      stroke-linecap: round;
      opacity: 0.9;
    }
    .canvas-edge-group .canvas-edge-flow {
      fill: none;
      stroke: #0ea5e9;
      stroke-width: 4;
      stroke-linecap: round;
      stroke-linejoin: round;
      stroke-dasharray: 3 14;
      stroke-dashoffset: 0;
      opacity: 0;
      filter: drop-shadow(0 0 4px rgba(14, 165, 233, 0.55));
      transition: opacity 120ms ease-in-out;
      animation: canvas-edge-water 0.9s linear infinite;
      animation-play-state: paused;
    }
    .canvas-edge-group.is-flowing .canvas-edge-flow {
      opacity: 0.95;
      animation-play-state: running;
    }
    @keyframes canvas-edge-water {
      from {
        stroke-dashoffset: 0;
      }
      to {
        stroke-dashoffset: -44;
      }
    }
    .node-config {
      border: 1px solid var(--border);
      padding: 12px;
      min-height: 520px;
    }
    .node-param-heading {
      margin-top: 10px;
      margin-bottom: 8px;
      font-size: 11px;
      letter-spacing: 0.14em;
      text-transform: uppercase;
      color: var(--muted);
      font-weight: 600;
    }
    .node-param-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 8px;
      margin-bottom: 8px;
    }
    .node-param-field {
      border: 1px solid var(--border);
      background: #fafafa;
      padding: 8px;
    }
    .node-param-checkbox {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 12px;
      color: #1f2937;
      letter-spacing: 0.01em;
      text-transform: none;
      margin: 0;
    }
    .node-param-checkbox input[type="checkbox"] {
      width: 14px;
      height: 14px;
      margin: 0;
      flex: 0 0 14px;
    }
    .node-param-note {
      margin-top: 4px;
      font-size: 10px;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: var(--muted);
    }
    .node-param-advanced {
      border: 1px dashed var(--border);
      padding: 8px;
      margin-top: 8px;
      background: #fcfcfc;
    }
    .node-param-advanced summary {
      cursor: pointer;
      font-size: 11px;
      letter-spacing: 0.14em;
      text-transform: uppercase;
      color: var(--muted);
      margin-bottom: 8px;
      list-style: none;
    }
    .node-param-warning {
      margin-top: 6px;
      font-size: 11px;
      color: #b91c1c;
    }
    .canvas-node {
      position: absolute;
      width: 180px;
      border: 1px solid var(--border);
      background: #ffffff;
      overflow: visible;
    }
    .canvas-node.is-selected {
      border-color: #111111;
      box-shadow: 0 0 0 1px #111111;
    }
    .canvas-node.is-running {
      border-color: #0ea5e9;
      box-shadow: 0 0 0 1px #0ea5e9;
    }
    .canvas-node.is-error {
      border-color: #dc2626;
      box-shadow: 0 0 0 1px #dc2626;
    }
    .canvas-node-prediction {
      position: absolute;
      left: 50%;
      transform: translateX(-50%);
      bottom: calc(100% + 6px);
      min-width: 140px;
      max-width: 340px;
      font-size: 10px;
      line-height: 1.25;
      border-radius: 12px;
      padding: 4px 8px;
      border: 1px solid #94a3b8;
      background: #f8fafc;
      color: #0f172a;
      white-space: normal;
      overflow-wrap: anywhere;
      text-overflow: clip;
      box-shadow: 0 1px 2px rgba(15, 23, 42, 0.18);
      pointer-events: none;
      z-index: 3;
    }
    .canvas-node-prediction.status-running,
    .canvas-node-prediction.status-partial {
      border-color: #0ea5e9;
      background: #e0f2fe;
      color: #0c4a6e;
    }
    .canvas-node-prediction.status-ok,
    .canvas-node-prediction.status-complete {
      border-color: #16a34a;
      background: #dcfce7;
      color: #14532d;
    }
    .canvas-node-prediction.status-error {
      border-color: #dc2626;
      background: #fee2e2;
      color: #7f1d1d;
    }
    .canvas-node-prediction.status-stopped {
      border-color: #64748b;
      background: #f1f5f9;
      color: #334155;
    }
    .canvas-node-header {
      padding: 6px 8px;
      font-size: 11px;
      text-transform: uppercase;
      letter-spacing: 0.1em;
      border-bottom: 1px solid var(--border);
      color: var(--muted);
      cursor: move;
    }
    .canvas-node-body {
      padding: 8px;
      font-size: 11px;
      color: var(--muted);
    }
    .live-toggle {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 11px;
      text-transform: uppercase;
      letter-spacing: 0.2em;
      color: var(--muted);
      margin-bottom: 8px;
    }
    .live-toggle-row {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      margin: 0;
      font-size: 12px;
      text-transform: none;
      letter-spacing: 0;
      color: var(--text);
      border: 1px solid var(--border);
      background: #fcfcfc;
      padding: 8px 10px;
    }
    .live-toggle-row input {
      width: 16px;
      height: 16px;
      margin-top: 2px;
      flex: 0 0 auto;
    }
    .live-toggle-copy {
      display: flex;
      flex-direction: column;
      gap: 2px;
      min-width: 0;
    }
    .live-toggle-title {
      font-weight: 600;
      color: var(--text);
    }
    .live-toggle-hint {
      font-size: 11px;
      color: var(--muted);
    }
    .live-panel {
      display: grid;
      gap: 10px;
      border: 1px solid var(--border);
      background: #fcfcfc;
      padding: 10px;
    }
    .live-device-row {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 8px;
      align-items: end;
    }
    .live-device-label {
      font-size: 11px;
      text-transform: none;
      letter-spacing: 0;
      color: var(--muted);
      margin: 0;
      grid-column: 1 / -1;
    }
    .live-device-select {
      border: 1px solid var(--border);
      background: #ffffff;
      padding: 6px 8px;
      font-size: 12px;
      width: 100%;
    }
    .live-controls {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }
    .live-preview {
      width: 100%;
      max-height: 240px;
      background: #000000;
      margin-top: 8px;
    }
    .live-status {
      font-size: 11px;
      color: var(--muted);
      border: 1px solid var(--border);
      background: #ffffff;
      padding: 6px 8px;
    }
    .capture-list {
      font-size: 11px;
      color: var(--muted);
      margin-top: 6px;
    }
    .auto-stop-row {
      border: 1px solid var(--border);
      background: #fcfcfc;
      padding: 8px 10px;
    }
    .auto-stop-label {
      display: flex;
      align-items: flex-start;
      gap: 8px;
      margin: 0;
      font-size: 12px;
      text-transform: none;
      letter-spacing: 0;
      color: var(--text);
    }
    .auto-stop-checkbox {
      width: 16px;
      height: 16px;
      margin-top: 2px;
      flex: 0 0 auto;
    }
    .auto-stop-copy {
      display: flex;
      flex-direction: column;
      gap: 2px;
    }
    .auto-stop-title {
      font-weight: 600;
    }
    .auto-stop-hint {
      font-size: 11px;
      color: var(--muted);
    }
    .run-btn {
      text-transform: none;
      letter-spacing: 0.01em;
      border-radius: 6px;
      padding: 7px 12px;
      font-size: 12px;
    }
    .run-btn-primary {
      background: #111111;
      color: #ffffff;
      border-color: #111111;
    }
    .run-btn-primary:hover {
      background: #000000;
      color: #ffffff;
    }
    .run-btn-secondary {
      background: #ffffff;
      color: var(--text);
    }
    .run-btn-ghost {
      background: #ffffff;
      color: var(--muted);
    }
    .run-btn-submit {
      margin-top: 2px;
    }
    .run-log {
      max-height: 240px;
      overflow: auto;
      border: 1px solid var(--border);
      background: #111111;
      color: #ffffff;
      font-size: 11px;
      padding: 8px;
    }
    .run-result {
      margin-top: 12px;
      border: 1px solid var(--border);
      background: #ffffff;
      padding: 10px;
    }
    .run-result.hidden {
      display: none;
    }
    .run-result-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
      margin-bottom: 10px;
    }
    .run-result-title {
      margin: 0;
      font-size: 12px;
      text-transform: uppercase;
      letter-spacing: 0.18em;
      color: var(--muted);
    }
    .run-result-meta {
      font-size: 11px;
      color: var(--muted);
    }
    .run-result-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 10px;
    }
    .run-result-card {
      border: 1px solid var(--border);
      padding: 10px;
      background: #fcfcfc;
    }
    .run-result-card-head {
      display: flex;
      align-items: baseline;
      justify-content: space-between;
      gap: 8px;
      margin-bottom: 8px;
    }
    .run-result-card-title {
      font-size: 12px;
      font-weight: 600;
      color: var(--text);
    }
    .run-result-card-meta {
      font-size: 10px;
      color: var(--muted);
      text-transform: uppercase;
      letter-spacing: 0.08em;
    }
    .run-result-text,
    .run-result-json {
      margin: 0;
      white-space: pre-wrap;
      word-break: break-word;
      border: 1px solid var(--border);
      background: #ffffff;
      padding: 8px;
      font-size: 11px;
      max-height: 260px;
      overflow: auto;
    }
    .run-result-text {
      margin-bottom: 8px;
    }
    .run-result-audio {
      width: 100%;
      margin-bottom: 8px;
    }
    .run-result-empty {
      border: 1px solid var(--border);
      padding: 10px;
      font-size: 11px;
      color: var(--muted);
      background: #fcfcfc;
    }
    #message {
      margin-top: 0;
      border: 1px solid var(--border);
      padding: 12px;
      font-size: 12px;
    }
    #message.hidden { display: none; }
    #message.message-info { background: #ffffff; }
    #message.message-error { background: #111111; color: #ffffff; }
    button, input, select, textarea {
      font: inherit;
      color: var(--text);
    }
    button {
      border: 1px solid var(--border);
      background: transparent;
      padding: 6px 10px;
      font-size: 12px;
      text-transform: uppercase;
      letter-spacing: 0.12em;
      cursor: pointer;
    }
    button:hover {
      background: var(--text);
      color: #ffffff;
    }
    button:disabled {
      opacity: 0.5;
      cursor: default;
    }
    label {
      display: block;
      font-size: 11px;
      text-transform: uppercase;
      letter-spacing: 0.2em;
      color: var(--muted);
      margin-bottom: 6px;
    }
    form > div {
      margin-bottom: 12px;
    }
    input, select, textarea {
      border: 1px solid var(--border);
      background: #ffffff;
      padding: 6px 8px;
      font-size: 12px;
      width: 100%;
    }
    textarea { resize: vertical; }
    #pipeline-builder { min-height: 420px; }
    #pipeline-log {
      max-height: 240px;
      overflow: auto;
      border: 1px solid var(--border);
      background: #111111;
      color: #ffffff;
      font-size: 11px;
      padding: 8px;
    }
    #services > div {
      margin-bottom: 10px;
    }
    .service-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      border: 1px solid var(--border);
      padding: 8px 10px;
    }
    .service-name {
      font-weight: 600;
      font-size: 12px;
    }
    .service-status {
      font-size: 11px;
      color: var(--muted);
      margin-top: 4px;
    }
    #scripts button,
    #pipelines button {
      display: block;
      width: 100%;
      text-align: left;
      text-transform: none;
      letter-spacing: 0.02em;
      padding: 10px;
      margin-bottom: 10px;
      background: #ffffff;
    }
    #scripts button:hover,
    #pipelines button:hover {
      background: #111111;
      color: #ffffff;
    }
    .pipeline-item-head {
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .pipeline-item-icon {
      width: 24px;
      height: 24px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border: 1px solid var(--border);
      background: #f7f7f7;
      font-size: 14px;
      line-height: 1;
      flex: 0 0 24px;
    }
    .pipeline-item-title {
      font-size: 15px;
      font-weight: 800;
      line-height: 1.2;
      letter-spacing: 0.01em;
    }
    #pipelines button:hover .pipeline-item-icon {
      background: #111111;
      border-color: #ffffff;
    }