.canvas-read-only-notice {
      margin: 0 0 var(--sp-3);
      padding: var(--sp-2) var(--sp-3);
      border: 1px solid var(--line);
      border-radius: var(--r-md);
      background: var(--ground);
      color: var(--muted);
      font-size: var(--fs-label);
    }
    .board-history-button:disabled { opacity: .34; cursor: default; }
    .board-toolbar-divider { width: 1px; height: 20px; margin: 0 2px; background: var(--line); }
    .board-zoom { display: inline-flex; align-items: center; gap: var(--sp-1); }
    .board-zoom output { min-width: 34px; color: var(--muted); font-size: var(--fs-caption); text-align: center; }
    .board-zoom-floating {
      display: inline-flex;
      position: absolute;
      left: 14px;
      bottom: 14px;
      z-index: 16;
      align-items: center;
      gap: 0;
      padding: 3px;
      border: 1px solid var(--line);
      border-radius: var(--r-md);
      background: var(--panel);
      box-shadow: none;
    }
    .board-zoom-floating button {
      width: 26px;
      min-height: 26px;
      padding: 0;
      border: 0;
      border-radius: var(--r-md);
      background: transparent;
      color: var(--muted);
      font-size: var(--fs-title);
      font-weight: 400;
      line-height: 1;
    }
    .board-zoom-floating button:hover { border: 0; background: var(--ground); color: var(--ink); }
    .board-zoom-floating output {
      min-width: 54px;
      color: var(--ink);
      font-size: var(--fs-label);
      font-variant-numeric: tabular-nums;
      text-align: center;
    }
    @media (max-width: 900px) {
      .flow-workspace { grid-template-columns: 1fr; }
      .flow-task-tray { position: static; max-height: none; }
      .flow-task-tray-list { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
      .flow-board-actions { margin-left: 0; }
    }
    @media (max-width: 640px) {
      .canvas-board-bar { flex-wrap: wrap; gap: var(--sp-2); }
      .flow-board-tabs { flex: 1 1 100%; }
      .flow-board-add { margin-left: 0; }
      .flow-board-actions { margin-left: auto; }
    }
    .board-shape-panel {
      display: grid;
      width: 100%;
      grid-auto-columns: minmax(104px, 1fr);
      grid-auto-flow: column;
      gap: var(--sp-1);
      margin: -3px 0 10px;
      padding: 5px;
      overflow-x: auto;
      border: 1px solid var(--line);
      border-radius: var(--radius-panel);
      background: var(--panel);
      box-shadow: 0 10px 28px rgba(66,44,20,.075);
      scrollbar-width: thin;
    }
    .board-shape-option {
      display: flex;
      min-height: 40px;
      align-items: center;
      gap: var(--sp-2);
      padding: 5px 8px;
      border-color: transparent;
      background: transparent;
      color: var(--ink);
      font-size: var(--fs-caption);
      text-align: left;
      white-space: nowrap;
    }
    .board-shape-option:hover { border-color: transparent; background: var(--soft); }
    .board-shape-option svg { position: static; width: 20px; height: 20px; flex: 0 0 auto; color: var(--accent); pointer-events: none; }
    .canvas-context-slot {
      min-height: 68px;
      margin: -2px 0 10px;
    }
    .canvas-context-bar,
    .canvas-context-empty {
      width: 100%;
      min-height: 68px;
      border: 1px solid var(--accent-border-subtle);
      border-radius: var(--radius-panel);
      background: var(--accent-surface-strong);
      box-shadow: 0 10px 26px rgba(66,44,20,.065);
    }
    .canvas-context-empty {
      display: grid;
      grid-template-columns: auto minmax(130px, max-content) minmax(0, 1fr);
      align-items: center;
      gap: var(--sp-2);
      padding: 10px 13px;
      color: var(--muted);
    }
    .canvas-context-empty strong { color: var(--ink); font-size: var(--fs-label); }
    .canvas-context-empty small { font-size: var(--fs-caption); }
    .canvas-context-announcer {
      position: fixed;
      width: 1px;
      height: 1px;
      overflow: hidden;
      clip: rect(0 0 0 0);
      clip-path: inset(50%);
      white-space: nowrap;
    }
    .board-inspector {
      display: grid;
      grid-template-columns: minmax(130px, .55fr) minmax(0, 2.8fr) auto;
      gap: var(--sp-2);
      align-items: center;
      padding: 8px;
    }
    .board-inspector input,
    .board-inspector select {
      min-height: 36px;
      padding: 0 9px;
      border: 1px solid var(--border-subtle);
      border-radius: var(--r-md);
      background: var(--panel);
      color: var(--ink);
      font-size: var(--fs-caption);
    }
    .context-object-summary { display: grid; min-width: 0; grid-template-columns: auto minmax(0, 1fr); gap: var(--sp-1) var(--sp-2); padding-inline: 3px; }
    .context-object-summary .context-kind { grid-row: 1 / span 2; align-self: center; }
    .context-object-summary strong { min-width: 0; overflow: hidden; color: var(--ink); font-size: var(--fs-label); text-overflow: ellipsis; white-space: nowrap; }
    .context-object-summary small { min-width: 0; overflow: hidden; color: var(--muted); font-size: var(--fs-caption); text-overflow: ellipsis; white-space: nowrap; }
    .context-object-summary.is-single-line { align-items: center; }
    .context-object-summary.is-single-line .context-kind { grid-row: auto; }
    .context-kind {
      display: inline-flex;
      width: max-content;
      min-height: 24px;
      align-items: center;
      justify-content: center;
      padding: 0 8px;
      border-radius: var(--r-full);
      background: var(--accent-pale);
      color: var(--accent);
      font-size: var(--fs-caption);
      font-weight: 650;
      white-space: nowrap;
    }
    .context-editor-group { display: grid; min-width: 0; gap: var(--sp-1); }
    .context-group-label { color: var(--muted); font-size: var(--fs-caption); font-weight: 600; white-space: nowrap; }
    .context-board-editor { display: grid; min-width: 0; gap: var(--sp-1); }
    .context-board-fields { display: grid; grid-template-columns: minmax(130px, 1fr) minmax(160px, 1.4fr) minmax(100px, .75fr); gap: var(--sp-1); }
    .board-inspector-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: var(--sp-1); }
    .board-inspector-actions button,
    .context-bar-actions button { min-height: 36px; padding: 0 10px; border-radius: var(--r-md); font-size: var(--fs-caption); }
    .context-danger { color: var(--danger); }
    .context-danger:hover { border-color: var(--danger-border-mixed); background: var(--danger-surface); }
    .task-node-inspector { grid-template-columns: minmax(360px, 1fr) auto; }
    .task-node-shape-picker { display: grid; grid-template-columns: repeat(6, minmax(52px, 1fr)); gap: var(--sp-1); }
    .board-item-shape-picker { grid-template-columns: repeat(8, minmax(64px, 1fr)); }
    .task-node-shape-option {
      display: grid;
      min-height: 44px;
      place-items: center;
      align-content: center;
      gap: var(--sp-1);
      padding: 4px;
      border-color: transparent;
      border-radius: var(--r-md);
      background: transparent;
      color: var(--muted);
      font-size: var(--fs-caption);
    }
    .task-node-shape-option:hover { border-color: var(--line); background: var(--panel); color: var(--ink); }
    .task-node-shape-option[aria-pressed="true"] {
      border-color: var(--accent-border);
      background: var(--panel);
      color: var(--accent);
      box-shadow: 0 2px 8px rgba(66,44,20,.06);
    }
    .task-node-shape-option svg { position: static; width: 22px; height: 22px; pointer-events: none; }
    .task-node-shape-option span { margin: 0; white-space: nowrap; }
    .context-multi-hint { color: var(--muted); font-size: var(--fs-caption); }
    .connector-style-panel {
      display: grid;
      width: min(500px, 100%);
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: var(--sp-1);
      margin: -3px 0 10px auto;
      padding: 5px;
      border: 1px solid var(--line);
      border-radius: var(--radius-panel);
      background: var(--panel);
      box-shadow: 0 10px 28px rgba(66,44,20,.075);
    }
    .relation-picker-panel {
      display: grid;
      width: min(540px, 100%);
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: var(--sp-1);
      margin: -3px 0 10px auto;
      padding: 5px;
      border: 1px solid var(--line);
      border-radius: var(--radius-panel);
      background: var(--panel);
      box-shadow: 0 10px 28px rgba(66,44,20,.075);
    }
    .relation-picker-option {
      display: grid;
      min-height: 42px;
      grid-template-columns: 9px minmax(0, 1fr);
      align-items: center;
      gap: var(--sp-2);
      padding: 6px 9px;
      border-color: transparent;
      background: transparent;
      color: var(--ink);
      text-align: left;
    }
    .relation-picker-option::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: var(--r-full);
      background: var(--accent-mid);
    }
    .relation-picker-option span { display: grid; gap: var(--sp-1); min-width: 0; }
    .relation-picker-option strong { font-size: var(--fs-caption); font-weight: 600; }
    .relation-picker-option small { overflow: hidden; color: var(--muted); font-size: var(--fs-caption); text-overflow: ellipsis; white-space: nowrap; }
    .relation-picker-option:hover { border-color: transparent; background: var(--soft); }
    .relation-picker-option[aria-pressed="true"] { background: var(--accent-pale); color: var(--accent); }
    .connection-settings-panel {
      --connection-control-height: 38px;
      display: grid;
      width: 100%;
      grid-template-columns: minmax(180px, .72fr) repeat(2, minmax(220px, 1fr)) auto;
      align-items: end;
      gap: var(--sp-2);
      padding: 8px;
    }
    .connection-settings-copy { align-self: center; }
    .connection-setting-control { display: grid; min-width: 0; gap: var(--sp-1); }
    .connection-setting-control > span:first-child { color: var(--muted); font-size: var(--fs-caption); font-weight: 650; }
    .connection-setting-control select {
      width: 100%;
      height: var(--connection-control-height);
      min-height: var(--connection-control-height);
      box-sizing: border-box;
      padding: 0 28px 0 9px;
      border: 1px solid var(--border-muted);
      border-radius: var(--r-md);
      background: var(--accent-surface-subtle);
      color: var(--ink);
      font-size: var(--fs-caption);
    }
    .context-line-control {
      position: relative;
      display: grid;
      width: 100%;
      height: var(--connection-control-height);
      min-height: var(--connection-control-height);
      grid-template-columns: 48px minmax(0, 1fr);
      overflow: hidden;
      border: 1px solid var(--border-muted);
      border-radius: var(--r-md);
      background: var(--accent-surface-subtle);
      transition: box-shadow .14s ease;
    }
    .context-line-control:focus-within {
      box-shadow: 0 0 0 3px var(--accent-overlay);
    }
    .context-line-preview {
      position: static;
      display: grid;
      width: auto;
      min-height: 0;
      place-items: center;
      border-right: 1px solid var(--border-subtle);
      border-radius: var(--r-md) 0 0 var(--r-md);
      background: transparent;
      color: var(--accent);
      pointer-events: none;
    }
    .context-line-preview svg { position: static; width: 34px; height: 20px; overflow: visible; pointer-events: none; }
    .context-line-control .context-select {
      width: 100%;
      height: var(--connection-control-height);
      min-height: var(--connection-control-height);
      padding-left: 10px;
      border: 0;
      border-radius: 0 var(--r-md) var(--r-md) 0;
      background: transparent;
      outline: none;
    }
    .connection-settings-panel .context-bar-actions {
      display: grid;
      grid-auto-flow: column;
      grid-auto-columns: minmax(76px, 1fr);
      gap: var(--sp-1);
      align-items: stretch;
    }
    .connection-settings-panel .context-bar-actions button { width: 100%; min-height: 38px; }
    .connection-settings-done { min-height: 38px; padding: 0 12px; border-radius: var(--r-md); background: var(--accent); color: var(--color-white); }
    .connector-style-option {
      display: grid;
      grid-template-columns: 34px minmax(0, 1fr);
      align-items: center;
      gap: var(--sp-1);
      min-height: 38px;
      padding: 4px 7px;
      text-align: left;
      border-color: transparent;
      border-radius: var(--r-md);
      background: transparent;
      color: var(--muted);
    }
    .connector-style-option:hover { border-color: transparent; background: var(--soft); }
    .connector-style-option svg { position: static; width: 31px; height: 18px; overflow: visible; pointer-events: none; }
    .connector-style-option span { overflow: hidden; color: var(--ink); font-size: var(--fs-caption); font-weight: 500; text-overflow: ellipsis; white-space: nowrap; }
    .connector-style-option[aria-pressed="true"] {
      border-color: transparent;
      background: var(--accent-pale);
      color: var(--accent);
      box-shadow: inset 0 0 0 1px var(--accent-border);
    }
    @media (max-width: 1100px) and (min-width: 621px) {
      .connection-settings-panel { grid-template-columns: repeat(2, minmax(0, 1fr)) auto; }
      .connection-settings-panel .context-object-summary { grid-column: 1 / -1; }
    }
    @media (max-width: 620px) {
      .flow-toolbar-actions { width: 100%; }
      .connector-style-panel { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .relation-picker-panel { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .connection-relation-grid,
      .connection-style-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .connection-settings-panel { grid-template-columns: 1fr; }
      .connection-settings-panel .context-bar-actions { grid-auto-columns: minmax(0, 1fr); }
      .board-inspector { grid-template-columns: 1fr; }
      .canvas-context-empty { grid-template-columns: auto minmax(0, 1fr); }
      .canvas-context-empty small { grid-column: 1 / -1; }
      .context-board-fields { grid-template-columns: 1fr; }
      .context-object-summary { grid-template-columns: auto minmax(0, 1fr); }
      .task-node-shape-picker { grid-template-columns: repeat(3, minmax(0, 1fr)); }
      .board-inspector-actions,
      .context-bar-actions { justify-content: stretch; }
      .board-inspector-actions button,
      .context-bar-actions button { flex: 1 1 auto; min-height: 44px; }
      .flow-layout-button span { display: none; }
    }
    @media (pointer: coarse) {
      .connection-settings-panel { --connection-control-height: 44px; }
      .task-node-shape-option,
      .connection-setting-control select,
      .connection-settings-done { min-height: 44px; }
      .context-line-control { min-height: 44px; }
    }
    @media (prefers-reduced-motion: reduce) {
      .canvas-context-bar,
      .canvas-context-empty { animation: none; }
    }
    .network-canvas svg { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; pointer-events: none; }
    .network-edge { pointer-events: none; }
    .network-edge-hit {
      fill: none;
      stroke: transparent;
      stroke-width: 16;
      pointer-events: stroke;
      cursor: pointer;
      vector-effect: non-scaling-stroke;
    }
    .network-edge-path {
      fill: none;
      stroke: var(--connector);
      stroke-width: 1.6;
      stroke-linecap: round;
      stroke-linejoin: round;
      vector-effect: non-scaling-stroke;
      pointer-events: none;
    }
    .network-edge.is-dashed .network-edge-path { stroke-dasharray: 7 6; }
    .network-edge.is-selected .network-edge-path { stroke: var(--accent); stroke-width: 2.8; }
    .network-edge.is-selected .network-edge-label { fill: var(--accent); font-weight: 600; opacity: 1; }
    .network-edge:has(.network-edge-hit:hover) .network-edge-label,
    .network-edge:has(.network-edge-hit:focus-visible) .network-edge-label { opacity: 1; }
    .network-edge-hit:focus,
    .network-edge-hit:focus-visible,
    .network-edge-close:focus,
    .network-edge-close:focus-visible { outline: none !important; }
    .network-edge:has(.network-edge-hit:focus-visible) .network-edge-path { stroke: var(--accent); stroke-width: 2.8; }
    .network-edge-close { pointer-events: all; cursor: pointer; }
    .network-edge-close circle {
      fill: var(--panel);
      stroke: var(--accent-border-strong);
      stroke-width: 1;
      vector-effect: non-scaling-stroke;
      filter: drop-shadow(0 2px 4px rgba(66,44,20,.14));
      transition: fill .14s ease, stroke .14s ease;
    }
    .network-edge-close text {
      fill: var(--muted);
      font-size: var(--fs-title);
      font-weight: 400;
      text-anchor: middle;
      dominant-baseline: central;
      pointer-events: none;
    }
    .network-edge-close:hover circle,
    .network-edge-close:focus-visible circle { fill: var(--color-danger-pale); stroke: var(--color-danger-border); }
    .network-edge-close:hover text,
    .network-edge-close:focus-visible text { fill: var(--color-danger-text); }
    .network-edge-preview {
      fill: none;
      stroke: var(--accent);
      stroke-width: 1.8;
      stroke-linecap: round;
      stroke-linejoin: round;
      vector-effect: non-scaling-stroke;
    }
    .network-edge-preview.is-dashed { stroke-dasharray: 6 5; }
    .network-node {
      --flow-node-border: var(--task-border, var(--line));
      --flow-node-fill: linear-gradient(135deg, var(--task-surface-subtle) 0, var(--panel) 52%);
      --flow-node-shadow: var(--canvas-node-shadow);
      --flow-node-drop-shadow: drop-shadow(0 7px 10px rgba(66,44,20,.09));
      position: absolute;
      width: 176px;
      transform: translate(-50%, -50%);
      padding: 13px 14px 12px;
      border: 1px solid var(--flow-node-border);
      border-radius: var(--r-md);
      background: var(--flow-node-fill);
      box-shadow: var(--flow-node-shadow);
      z-index: 2;
      cursor: grab;
      user-select: none;
      touch-action: none;
      transition: border-color .16s ease, box-shadow .16s ease, background .16s ease;
    }
    .network-node:active { cursor: grabbing; }
    @media (max-width: 720px) {
      .network-canvas:not(.tool-pan) .network-node { touch-action: pan-x pan-y pinch-zoom; }
    }
    .network-node.is-selected {
      --flow-node-border: var(--accent);
      --flow-node-shadow: 0 0 0 3px var(--accent-overlay), 0 10px 26px rgba(66,44,20,.10);
      --flow-node-drop-shadow: drop-shadow(0 0 3px rgba(168,104,38,.28)) drop-shadow(0 8px 11px rgba(66,44,20,.10));
    }
    .folder-network-node {
      width: 210px;
      min-height: 0;
      padding: 0;
      border-color: var(--line);
      background: var(--panel);
    }
    .folder-network-node::before {
      content: none;
    }
    .network-card-head {
      display: flex;
      align-items: center;
      gap: var(--sp-2);
      padding: 9px var(--sp-3);
      border-bottom: 1px solid var(--hair);
      border-radius: var(--r-md) var(--r-md) 0 0;
      background: var(--band);
    }
    .network-card-head > i { width: 6px; height: 6px; flex: 0 0 auto; border-radius: var(--r-full); background: var(--task-color, var(--accent)); }
    .network-card-head strong { min-height: 0; flex: 1; padding: 0; color: var(--color-matrix-deep); font-size: var(--fs-label); font-weight: 600; }
    .network-node .network-card-head strong::before { content: none; }
    .network-card-body { display: grid; gap: var(--sp-2); padding: 10px var(--sp-3); }
    .network-card-tag {
      width: max-content;
      margin: 0 !important;
      padding: 2px 7px;
      border: 1px solid var(--hair);
      border-radius: var(--r-sm);
      background: var(--ground);
      color: var(--muted) !important;
    }
    .folder-network-node .network-card-head { border-color: var(--espresso); background: var(--espresso); }
    .folder-network-node .network-card-head > i { background: var(--on-espresso-muted); }
    .folder-network-node .network-card-head strong {
      display: block;
      min-width: 0;
      overflow: hidden;
      color: var(--on-espresso);
      text-overflow: ellipsis;
      white-space: nowrap;
      -webkit-line-clamp: unset;
    }
    .folder-node-count {
      overflow: hidden;
      color: var(--muted);
      font-size: var(--fs-label);
      text-overflow: ellipsis;
      white-space: nowrap;
    }
    /* ---- Flowchart shape family --------------------------------------
       All nodes share the base .network-node border / fill / shadow so the
       set reads as one system. Geometric shapes below only override the
       silhouette + centre a terse label (kind + title), matching how
       standard flowchart tools keep diamonds / terminals compact. */
    .network-node[data-node-shape="rectangle"] { border-radius: var(--r-sm); }

    /* Terminal — stadium / rounded ends */
    .network-node[data-node-shape="pill"] {
      display: flex;
      width: 188px;
      min-height: 64px;
      align-items: center;
      justify-content: center;
      padding: 11px 22px;
      border-radius: var(--r-full);
      text-align: center;
      box-sizing: border-box;
    }

    /* Milestone — compact checkpoint card. The target mark avoids reusing
       the flag reserved for decision items elsewhere in the workspace. */
    .network-node[data-node-shape="milestone"] {
      display: flex;
      width: 176px;
      min-height: 72px;
      align-items: center;
      justify-content: center;
      padding: 11px 18px 11px 30px;
      border-left: 4px solid var(--accent);
      border-radius: var(--r-md);
      text-align: center;
      box-sizing: border-box;
    }
    .network-node[data-node-shape="milestone"]::after {
      content: "";
      position: absolute;
      top: 16px;
      left: 11px;
      width: 12px;
      height: 12px;
      border: 1.5px solid var(--accent);
      border-radius: var(--r-full);
      background: radial-gradient(circle, var(--accent) 0 2px, transparent 2.5px);
      pointer-events: none;
    }

    /* Document — page with a folded corner */
    .network-node[data-node-shape="document"] { border-radius: var(--r-sm) var(--r-lg) var(--r-sm) var(--r-sm); }
    .network-node[data-node-shape="document"]::after {
      content: "";
      position: absolute;
      top: -1px;
      right: -1px;
      width: 22px;
      height: 22px;
      border-top-right-radius: 16px;
      background: linear-gradient(225deg, var(--soft) 0 46%, var(--line) 47% 51%, transparent 52%);
      pointer-events: none;
    }
    .network-node[data-node-shape="document"] .network-node-menu { right: 26px; z-index: 2; }

    /* Decision (diamond) & Data (parallelogram) draw their coloured border
       with a clipped ::before / ::after pair so the outline follows the
       pointed / slanted silhouette. The node's own border + fill go clear. */
    .network-node[data-node-shape="decision"],
    .network-node[data-node-shape="parallelogram"] {
      border-color: transparent;
      background: transparent;
      box-shadow: none;
      border-radius: 0;
    }
    .network-node[data-node-shape="decision"]::before,
    .network-node[data-node-shape="decision"]::after,
    .network-node[data-node-shape="parallelogram"]::before,
    .network-node[data-node-shape="parallelogram"]::after {
      content: "";
      position: absolute;
      inset: 0;
      z-index: -2;
      background: var(--flow-node-border);
      filter: var(--flow-node-drop-shadow);
      pointer-events: none;
    }
    .network-node[data-node-shape="decision"]::after,
    .network-node[data-node-shape="parallelogram"]::after {
      inset: 1.5px;
      z-index: -1;
      background: var(--flow-node-fill);
      filter: none;
    }
    .network-node[data-node-shape="decision"]::before,
    .network-node[data-node-shape="decision"]::after { clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%); }
    .network-node[data-node-shape="parallelogram"]::before,
    .network-node[data-node-shape="parallelogram"]::after { clip-path: polygon(15% 0, 100% 0, 85% 100%, 0 100%); }

    .network-node[data-node-shape="decision"] {
      display: flex;
      width: 178px;
      height: 138px;
      min-height: 138px;
      align-items: center;
      justify-content: center;
      padding: 0;
      text-align: center;
    }
    .network-node[data-node-shape="parallelogram"] { width: 202px; padding: 12px 28px; }
    /* Data node keeps its body but sheds the rectangular header band so the
       title sits cleanly within the slanted silhouette. */
    .network-node[data-node-shape="parallelogram"] .network-card-head {
      padding: 0;
      border-bottom: none;
      border-radius: 0;
      background: transparent;
    }
    .network-node[data-node-shape="parallelogram"] .network-card-body { padding-left: 0; padding-right: 0; }

    /* Diamond / terminal / milestone hide the inline ⋯ menu (no room);
       editing stays available through the selection inspector. */
    .network-node[data-node-shape="decision"] .network-node-menu,
    .network-node[data-node-shape="pill"] .network-node-menu,
    .network-node[data-node-shape="milestone"] .network-node-menu { display: none; }
    .network-node[data-node-shape="parallelogram"] .network-node-menu { right: 22px; }

    /* Centre the label stack for the compact geometric shapes */
    .network-node[data-node-shape="pill"] > .network-node-content,
    .network-node[data-node-shape="milestone"] > .network-node-content,
    .network-node[data-node-shape="decision"] > .network-node-content {
      display: grid;
      min-width: 0;
      width: 100%;
      align-content: center;
      justify-items: center;
      gap: var(--sp-1);
      margin: auto;
      text-align: center;
    }
    .network-node[data-node-shape="milestone"] > .network-node-content { width: 126px; }
    .network-node[data-node-shape="decision"] > .network-node-content { width: 118px; }

    /* Terse content: kind + title only inside pill / milestone / diamond */
    .network-node[data-node-shape="pill"] .network-card-body,
    .network-node[data-node-shape="milestone"] .network-card-body,
    .network-node[data-node-shape="decision"] .network-card-body { display: none; }

    /* Task-card head sheds its band + divider inside geometric shapes */
    .network-node[data-node-shape="pill"] .network-card-head,
    .network-node[data-node-shape="milestone"] .network-card-head,
    .network-node[data-node-shape="decision"] .network-card-head {
      justify-content: center;
      padding: 0;
      border-bottom: none;
      border-radius: 0;
      background: transparent;
    }
    .network-node[data-node-shape="pill"] .network-card-head strong,
    .network-node[data-node-shape="milestone"] .network-card-head strong,
    .network-node[data-node-shape="decision"] .network-card-head strong {
      flex: 0 1 auto;
      padding: 0;
      text-align: center;
    }

    .canvas-free-node { min-height: 88px; }
    .canvas-free-node:not([data-node-shape="group"]) {
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .canvas-free-node .free-node-kind { margin-top: 0; color: var(--accent); font-size: var(--fs-caption); font-weight: 600; }
    .network-node-content { display: contents; }
    .canvas-free-node > .network-node-content {
      display: grid;
      min-width: 0;
      width: 100%;
      align-content: center;
      gap: var(--sp-1);
    }
    .board-inline-title {
      min-width: 0;
      width: 100%;
      box-sizing: border-box;
      border: 1px solid transparent;
      border-radius: var(--r-sm);
      background: transparent;
      color: var(--ink);
      font-family: inherit;
      touch-action: auto;
      user-select: text;
    }
    .board-inline-title {
      min-height: 28px;
      padding: 2px 4px;
      font-size: var(--fs-label);
      font-weight: 650;
      line-height: 1.35;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }
    .board-inline-title:hover { border-color: var(--border-subtle); background: var(--accent-surface-subtle); }
    .board-inline-title:focus {
      outline: none;
      border-color: var(--accent-border);
      background: var(--panel);
      box-shadow: 0 0 0 2px var(--accent-pale);
    }
    .canvas-free-node.is-selected:not([data-node-shape="group"]) { z-index: 8; }

    /* Free nodes: centred kind + title, no floating bullet, inside geometry */
    .canvas-free-node[data-node-shape="pill"] .board-inline-title,
    .canvas-free-node[data-node-shape="milestone"] .board-inline-title,
    .canvas-free-node[data-node-shape="decision"] .board-inline-title {
      display: block;
      width: 100%;
      min-height: 0;
      padding: 0 4px;
      box-sizing: border-box;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
      text-align: center;
    }
    .canvas-free-node[data-node-shape="pill"] .free-node-kind,
    .canvas-free-node[data-node-shape="milestone"] .free-node-kind,
    .canvas-free-node[data-node-shape="decision"] .free-node-kind {
      width: 100%;
      margin-top: 0;
      text-align: center;
    }

    /* Keep data / input text inside the parallelogram's slanted safe area. */
    .canvas-free-node[data-node-shape="parallelogram"] { min-height: 84px; }
    .canvas-free-node[data-node-shape="parallelogram"] > .network-node-content {
      width: min(76%, calc(100% - 36px));
      margin: auto;
    }

    /* Note — sticky memo */
    .canvas-free-node[data-node-shape="note"] {
      border-radius: var(--r-sm) var(--r-sm) var(--r-lg) var(--r-sm);
      background: var(--color-selection);
      border-color: var(--color-selection-border);
      transform: translate(-50%, -50%) rotate(-.6deg);
    }
    .canvas-free-node[data-node-shape="note"]::after {
      content: "";
      position: absolute;
      right: -1px;
      bottom: -1px;
      width: 22px;
      height: 22px;
      background: linear-gradient(315deg, var(--panel) 0 48%, var(--color-selection-border) 49% 53%, transparent 54%);
      pointer-events: none;
    }
    .canvas-free-node[data-node-shape="note"] .free-node-kind { color: var(--accent-ink); }

    /* Group — dashed swim-lane container */
    .canvas-free-node[data-node-shape="group"] {
      width: min(360px, 40%);
      min-height: 220px;
      z-index: 1;
      align-content: start;
      border-style: dashed;
      border-width: 1.5px;
      background: var(--task-overlay);
      box-shadow: none;
    }
    .canvas-free-node[data-node-shape="group"] strong { padding-right: 28px; }
    .canvas-free-node[data-node-shape="group"] .network-port { display: none; }
    .canvas-free-node[data-size-mode="manual"] { box-sizing: border-box; }
    .canvas-free-node[data-size-mode="manual"][data-node-shape="pill"] > .network-node-content {
      width: min(72%, calc(100% - 20px));
    }
    .canvas-free-node[data-size-mode="manual"][data-node-shape="decision"] > .network-node-content {
      width: min(52%, calc(100% - 20px));
    }
    .board-resize-handles {
      position: absolute;
      inset: 0;
      z-index: 12;
      pointer-events: none;
    }
    .board-resize-handle {
      position: absolute;
      z-index: 13;
      width: 9px;
      min-width: 9px;
      min-height: 9px;
      padding: 0;
      border: 1.5px solid var(--accent);
      border-radius: var(--r-sm);
      background: var(--panel);
      box-shadow: 0 1px 3px rgba(66,44,20,.16);
      pointer-events: auto;
      touch-action: none;
    }
    .board-resize-handle::before {
      content: "";
      position: absolute;
      inset: -6px;
    }
    .board-resize-handle.is-nw { top: 0; left: 0; transform: translate(-50%, -50%); cursor: nwse-resize; }
    .board-resize-handle.is-n { top: 0; left: 50%; transform: translate(-50%, -50%); cursor: ns-resize; }
    .board-resize-handle.is-ne { top: 0; right: 0; transform: translate(50%, -50%); cursor: nesw-resize; }
    .board-resize-handle.is-e { top: 50%; right: 0; transform: translate(50%, -50%); cursor: ew-resize; }
    .board-resize-handle.is-se { right: 0; bottom: 0; transform: translate(50%, 50%); cursor: nwse-resize; }
    .board-resize-handle.is-s { bottom: 0; left: 50%; transform: translate(-50%, 50%); cursor: ns-resize; }
    .board-resize-handle.is-sw { bottom: 0; left: 0; transform: translate(-50%, 50%); cursor: nesw-resize; }
    .board-resize-handle.is-w { top: 50%; left: 0; transform: translate(-50%, -50%); cursor: ew-resize; }
    .network-canvas.tool-select .canvas-free-node.is-selected .network-port {
      opacity: 0;
      pointer-events: none;
    }
    .network-marquee {
      position: absolute;
      z-index: 9;
      border: 1px solid var(--accent-overlay);
      background: var(--accent-overlay);
      pointer-events: none;
    }
    .network-node:hover {
      --flow-node-border: var(--task-color, var(--accent-border));
      --flow-node-shadow: 0 10px 25px rgba(66,44,20,.10);
      --flow-node-drop-shadow: drop-shadow(0 8px 11px rgba(66,44,20,.11));
    }
    .network-node.is-selected,
    .network-node.is-selected:hover {
      --flow-node-border: var(--accent);
      --flow-node-shadow: 0 0 0 3px var(--accent-overlay), 0 10px 26px rgba(66,44,20,.10);
      --flow-node-drop-shadow: drop-shadow(0 0 3px rgba(168,104,38,.28)) drop-shadow(0 8px 11px rgba(66,44,20,.10));
    }
    .network-node:focus-visible,
    .network-node.is-link-start {
      --flow-node-border: var(--accent);
      --flow-node-shadow: 0 0 0 3px rgba(168,104,38,.13), 0 10px 25px rgba(66,44,20,.10);
      --flow-node-drop-shadow: drop-shadow(0 0 3px rgba(168,104,38,.25)) drop-shadow(0 8px 11px rgba(66,44,20,.10));
      outline: none;
    }
    .network-node.is-connect-target {
      --flow-node-border: var(--task-color, var(--accent));
      --flow-node-fill: var(--task-surface);
      --flow-node-shadow: 0 0 0 4px var(--task-overlay);
      --flow-node-drop-shadow: drop-shadow(0 0 4px var(--task-overlay));
    }
    .network-node[data-node-shape="decision"]:hover,
    .network-node[data-node-shape="decision"].is-selected,
    .network-node[data-node-shape="decision"].is-link-start,
    .network-node[data-node-shape="decision"].is-connect-target,
    .network-node[data-node-shape="decision"]:focus-visible,
    .network-node[data-node-shape="parallelogram"]:hover,
    .network-node[data-node-shape="parallelogram"].is-selected,
    .network-node[data-node-shape="parallelogram"].is-link-start,
    .network-node[data-node-shape="parallelogram"].is-connect-target,
    .network-node[data-node-shape="parallelogram"]:focus-visible {
      border-color: transparent;
      background: transparent;
      box-shadow: none;
    }
    .network-node strong {
      display: -webkit-box;
      position: relative;
      padding: 0 24px 0 17px;
      min-height: 18px;
      font-size: var(--fs-caption);
      line-height: 1.3;
      overflow-wrap: anywhere;
      -webkit-box-orient: vertical;
      -webkit-line-clamp: 2;
      overflow: hidden;
    }
    .flow-board-main .network-node strong { font-size: var(--fs-label); }
    .network-node strong::before {
      content: "";
      position: absolute;
      left: 1px;
      top: 4px;
      width: 7px;
      height: 7px;
      border-radius: var(--r-full);
      background: var(--task-color, var(--accent-mid));
      box-shadow: 0 0 0 4px var(--task-overlay);
    }
    .network-node span { display: block; margin-top: 5px; color: var(--muted); font-size: var(--fs-caption); }
    .task-network-node {
      display: block;
      width: 196px;
      height: auto;
      min-height: 0;
      padding: 0;
      border-radius: var(--r-md);
      box-sizing: border-box;
    }
    .task-network-node > .network-node-content { display: block; }
    .task-network-node .task-node-meta { display: flex; flex-wrap: nowrap; gap: var(--sp-2); }
    .task-network-node .task-node-meta span {
      width: max-content;
      margin: 0;
      padding: 2px 7px;
      border: 1px solid var(--hair);
      border-radius: var(--r-sm);
      background: var(--ground);
    }
    .task-network-node .task-node-owner { color: var(--muted); font-size: var(--fs-label); }
    .flow-board-main .task-network-node .network-card-body .task-node-owner { font-size: var(--fs-caption); }
    .task-network-node .network-node-menu {
      position: static;
      width: 24px;
      min-height: 24px;
      flex: 0 0 auto;
      border: 0;
      background: transparent;
    }
    .task-network-node[data-node-shape="pill"] {
      display: flex;
      width: 188px;
      min-height: 64px;
      align-items: center;
      justify-content: center;
      padding: 11px 22px;
      border-radius: var(--r-full);
      box-sizing: border-box;
    }
    .task-network-node[data-node-shape="rectangle"] { border-radius: var(--r-sm); }
    .task-network-node[data-node-shape="parallelogram"] { width: 202px; padding: 12px 28px; }
    .task-network-node[data-node-shape="pill"] > .network-node-content,
    .task-network-node[data-node-shape="milestone"] > .network-node-content,
    .task-network-node[data-node-shape="decision"] > .network-node-content {
      align-content: center;
      gap: var(--sp-1);
    }
    .task-network-node[data-node-shape="pill"] .task-node-title,
    .task-network-node[data-node-shape="milestone"] .task-node-title,
    .task-network-node[data-node-shape="decision"] .task-node-title {
      display: block;
      min-height: 0;
      padding: 0 14px;
      text-align: center;
      overflow: visible;
      -webkit-line-clamp: unset;
    }
    .task-network-node[data-node-shape="pill"] .task-node-title::before,
    .task-network-node[data-node-shape="milestone"] .task-node-title::before,
    .task-network-node[data-node-shape="decision"] .task-node-title::before {
      left: 1px;
      top: 50%;
      transform: translateY(-50%);
    }
    .task-network-node[data-node-shape="pill"] .task-node-meta,
    .task-network-node[data-node-shape="milestone"] .task-node-meta,
    .task-network-node[data-node-shape="decision"] .task-node-meta {
      flex-wrap: wrap;
      justify-content: center;
      margin-top: 0;
    }
    .task-network-node[data-node-shape="pill"] .task-node-field,
    .task-network-node[data-node-shape="milestone"] .task-node-field,
    .task-network-node[data-node-shape="decision"] .task-node-field {
      display: flex;
      align-items: baseline;
      justify-content: center;
      flex-wrap: wrap;
      gap: var(--sp-1) var(--sp-1);
      margin-top: 0;
      text-align: center;
    }
    .task-network-node[data-node-shape="pill"] .task-node-owner,
    .task-network-node[data-node-shape="milestone"] .task-node-owner,
    .task-network-node[data-node-shape="decision"] .task-node-owner {
      align-self: auto;
      width: 100%;
      margin-top: 0;
      padding-top: 1px;
      border-top-color: transparent;
      text-align: center;
      overflow-wrap: normal;
    }
    .task-network-node[data-node-shape="document"] { width: 196px; min-height: 0; border-radius: var(--r-sm) var(--r-lg) var(--r-sm) var(--r-sm); }
    .task-network-node[data-node-shape="document"] .task-node-title { padding-right: 38px; }
    .task-network-node .task-node-title {
      display: block;
      min-width: 0;
      min-height: 0;
      padding-right: 21px;
      line-height: 1.3;
      overflow-wrap: normal;
      overflow: visible;
      white-space: nowrap;
      -webkit-line-clamp: unset;
    }
    .task-network-node .task-node-meta {
      display: flex;
      align-items: center;
      flex-wrap: nowrap;
      gap: var(--sp-1);
      margin-top: 3px;
    }
    .task-network-node .task-node-meta span {
      margin: 0;
      padding: 2px 6px;
      border-radius: var(--r-full);
      background: var(--task-surface-strong);
      color: var(--task-text, var(--muted));
      font-size: var(--fs-caption);
      font-weight: 400;
      white-space: nowrap;
    }
    .task-network-node .task-node-field {
      display: grid;
      grid-template-columns: 46px minmax(0, 1fr);
      align-items: start;
      gap: var(--sp-1);
      margin-top: 4px;
      font-size: var(--fs-caption);
      line-height: 1.3;
    }
    .task-network-node .task-node-field b { color: var(--ink); font-size: var(--fs-caption); font-weight: 650; }
    .task-network-node .task-node-field span {
      display: block;
      min-width: 0;
      margin: 0;
      color: var(--muted);
      font-size: var(--fs-caption);
      overflow-wrap: anywhere;
    }
    .task-network-node .task-node-owner {
      align-self: end;
      margin-top: 4px;
      padding-top: 4px;
      border-top: 1px solid var(--border-subtle);
      overflow: hidden;
      color: var(--muted);
      font-size: var(--fs-caption);
      overflow-wrap: normal;
      text-overflow: ellipsis;
      white-space: nowrap;
    }
    .network-node-menu {
      position: absolute;
      top: 7px;
      right: 7px;
      width: 25px;
      min-height: 25px;
      padding: 0;
      border-color: transparent;
      background: transparent;
      color: var(--muted);
      letter-spacing: 1px;
      opacity: 0;
      transition: opacity .14s ease, background .14s ease;
    }
    .network-node:hover .network-node-menu,
    .network-node:focus-within .network-node-menu,
    .network-node-menu:focus-visible { opacity: 1; }
    .network-node-menu:hover { border-color: var(--line); background: var(--soft); }
    .task-network-node .network-card-head .task-node-title {
      min-height: 0;
      padding: 0 22px 0 0;
      font-size: var(--fs-caption);
      line-height: 1.3;
      overflow-wrap: normal;
      white-space: nowrap;
    }
    .task-network-node .network-card-head { padding: 7px 10px; }
    .task-network-node .network-card-body { gap: var(--sp-1); padding: 8px 12px; }
    .task-network-node .network-card-body .task-node-meta {
      flex-wrap: nowrap;
      gap: var(--sp-2);
      margin: 0;
    }
    .task-network-node .network-card-body .task-node-meta span {
      margin: 0;
      padding: 2px 7px;
      border: 1px solid var(--hair);
      border-radius: var(--r-sm);
      background: var(--ground);
      color: var(--muted);
    }
    .task-network-node .network-card-body .task-node-owner {
      margin: 0;
      padding: 0;
      border: 0;
      font-size: var(--fs-label);
      white-space: nowrap;
    }
    .task-network-node .network-card-head .network-node-menu {
      position: absolute;
      top: 5px;
      right: 5px;
      width: 24px;
      min-height: 24px;
    }
    .network-node[data-content-mode="compact"] > .flowchart-compact-content {
      display: grid;
      min-width: 0;
      width: min(74%, calc(100% - 20px));
      align-content: center;
      justify-items: center;
      gap: var(--sp-1);
      margin: auto;
      text-align: center;
    }
    .network-node[data-node-shape="decision"] > .flowchart-compact-content { width: 62%; }
    .network-node[data-node-shape="milestone"] > .flowchart-compact-content { width: 78%; }
    .network-node[data-content-mode="compact"] .flowchart-node-kind {
      display: block;
      margin: 0;
      color: var(--muted);
      font-size: var(--fs-caption);
      font-weight: 600;
      line-height: 1.15;
    }
    .network-node[data-content-mode="compact"] .flowchart-node-title {
      display: -webkit-box;
      width: 100%;
      min-height: 0;
      padding: 0;
      color: var(--color-matrix-deep);
      font-size: var(--fs-label);
      font-weight: 650;
      line-height: 1.3;
      overflow: hidden;
      overflow-wrap: anywhere;
      -webkit-box-orient: vertical;
      -webkit-line-clamp: 2;
      text-align: center;
    }
    .network-node[data-content-mode="compact"] input.flowchart-node-title {
      display: block;
      border: 1px solid transparent;
      background: transparent;
      -webkit-line-clamp: unset;
    }
    .network-node[data-content-mode="compact"] .flowchart-node-title::before { content: none; }
    .network-port {
      position: absolute;
      z-index: 4;
      width: 8px;
      min-height: 8px;
      padding: 0;
      border: 1.5px solid var(--line);
      border-radius: var(--r-full);
      background: var(--panel);
      box-shadow: none;
      opacity: 1;
      transition: opacity .14s ease, transform .14s ease, box-shadow .14s ease;
      cursor: crosshair;
    }
    .network-node:hover .network-port,
    .network-node.is-link-start .network-port,
    .network-node.is-connect-target .network-port { opacity: 1; }
    .network-port:hover { opacity: 1; border-color: var(--connector-arrow); box-shadow: 0 0 0 3px var(--task-overlay); }
    .network-port.top { top: 0; left: 50%; transform: translate(-50%, -50%); }
    .network-port.right { top: 50%; right: 0; transform: translate(50%, -50%); }
    .network-port.bottom { bottom: 0; left: 50%; transform: translate(-50%, 50%); }
    .network-port.left { top: 50%; left: 0; transform: translate(-50%, -50%); }
    .network-node[data-node-shape="parallelogram"] .network-port.right { right: 7.5%; }
    .network-node[data-node-shape="parallelogram"] .network-port.left { left: 7.5%; }
    .network-edge-label {
      font-size: var(--fs-caption);
      fill: var(--color-text-softer);
      paint-order: stroke;
      stroke: var(--panel);
      stroke-width: 5px;
      stroke-linejoin: round;
      opacity: 0;
      transition: opacity .14s ease;
    }
    .relation-type-select {
      min-height: 32px;
      border: 1px solid var(--line);
      border-radius: var(--r-md);
      padding: 0 9px;
      background: var(--panel);
      color: var(--ink);
    }
    .matrix-layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr);
      gap: 0;
      align-items: start;
    }
    .matrix-scroll { min-width: 0; }
    .matrix-panels {
      display: grid;
      gap: var(--sp-6);
    }
    .matrix-panel { min-width: 0; }
    .matrix-panel-head {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: var(--sp-3) var(--sp-5);
      margin-bottom: var(--sp-3);
    }
    .matrix-panel-head h3 {
      margin: 0;
      color: var(--ink);
      font-size: var(--fs-title);
    }
    .matrix-panel-head p {
      margin: var(--sp-1) 0 0;
      color: var(--muted);
      font-size: var(--fs-caption);
    }
    .matrix-panel-head > span {
      flex: 0 0 auto;
      padding: var(--sp-1) var(--sp-2);
      border-radius: var(--r-full);
      background: var(--accent-pale);
      color: var(--accent);
      font-size: var(--fs-caption);
      font-weight: 650;
    }
    .matrix-panel-empty {
      display: grid;
      place-items: center;
      align-content: center;
      min-height: 180px;
      gap: var(--sp-2);
      border: 1px dashed var(--line);
      border-radius: var(--radius-card);
      background: var(--panel);
      color: var(--muted);
      text-align: center;
    }
    .matrix-panel-empty strong {
      color: var(--ink);
      font-size: var(--fs-body);
    }
    .matrix-panel-empty span { font-size: var(--fs-caption); }
    .matrix-plot-frame {
      display: grid;
      grid-template-columns: var(--sp-6) minmax(0, 1fr);
      grid-template-rows: auto minmax(0, 1fr) auto var(--sp-6);
      gap: 0;
    }
    .matrix-axis-y {
      grid-column: 1;
      grid-row: 2;
      display: flex;
      place-items: center;
      align-items: center;
      justify-content: center;
      flex-direction: column;
      gap: var(--sp-2);
      color: var(--matrix-label-faint);
      font-size: var(--fs-caption);
    }
    .matrix-axis-y span { writing-mode: vertical-rl; text-orientation: upright; }
    .matrix-axis-x {
      grid-column: 2;
      grid-row: 4;
      padding-top: var(--sp-3);
      text-align: center;
      color: var(--matrix-label-faint);
      font-size: var(--fs-caption);
    }
    .matrix-quadrant-guide {
      grid-column: 2;
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      padding-inline: var(--sp-4);
      pointer-events: none;
    }
    .matrix-quadrant-guide.is-top {
      grid-row: 1;
      padding-bottom: var(--sp-2);
    }
    .matrix-quadrant-guide.is-bottom {
      grid-row: 3;
      padding-top: var(--sp-2);
    }
    .matrix-quadrant-guide > span {
      display: flex;
      min-width: 0;
      align-items: baseline;
      gap: var(--sp-2);
      color: var(--matrix-label-faint);
    }
    .matrix-quadrant-guide > span:nth-child(2) {
      justify-content: flex-end;
      text-align: right;
    }
    .matrix-quadrant-guide strong {
      color: var(--matrix-label);
      font-size: var(--fs-label);
      font-weight: 650;
      letter-spacing: .04em;
      white-space: nowrap;
    }
    .matrix-quadrant-guide small {
      overflow: hidden;
      font-size: var(--fs-caption);
      text-overflow: ellipsis;
      white-space: nowrap;
    }
    .matrix-quadrant-guide .q-do strong { color: var(--matrix-label-strong); }
    .matrix-quadrant-guide .q-do small { color: var(--matrix-label); }
    .matrix-plot {
      grid-column: 2;
      grid-row: 2;
      position: relative;
      height: 1000px;
      border: 1px solid var(--line);
      border-radius: var(--radius-card);
      background: var(--panel);
      overflow: hidden;
      touch-action: none;
    }
    .matrix-plot::before,
    .matrix-plot::after {
      content: "";
      position: absolute;
      pointer-events: none;
      border: 0 solid var(--matrix-divider);
    }
    .matrix-plot::before { left: 50%; top: 0; bottom: 0; border-left-width: 1px; }
    .matrix-plot::after { top: 50%; left: 0; right: 0; border-top-width: 1px; }
    .matrix-quad {
      position: absolute;
      width: 50%;
      height: 50%;
      pointer-events: none;
    }
    .matrix-quad.q-focus { left: 0; top: 0; background: var(--matrix-focus); }
    .matrix-quad.q-do { left: 50%; top: 0; background: var(--matrix-do); }
    .matrix-quad.q-watch { left: 0; top: 50%; background: var(--matrix-watch); }
    .matrix-quad.q-quick { left: 50%; top: 50%; background: var(--matrix-quick); }
    .matrix-rank {
      border: 1px solid var(--line);
      border-radius: var(--radius-card);
      background: var(--panel);
      overflow: hidden;
    }
    .matrix-rank-head {
      padding: 12px 14px 10px;
      border-bottom: 1px solid var(--line);
      background: var(--accent-pale);
    }
    .matrix-rank-head strong { display: block; font-size: var(--fs-body); }
    .matrix-rank-head span { color: var(--muted); font-size: var(--fs-caption); }
    .matrix-rank-item {
      display: flex;
      width: 100%;
      align-items: center;
      gap: var(--sp-2);
      min-height: 44px;
      padding: 8px 13px;
      border: 0;
      border-top: 1px solid var(--line);
      border-radius: 0;
      background: transparent;
      text-align: left;
      font-size: var(--fs-label);
    }
    .matrix-rank-item:first-of-type { border-top: 0; }
    .matrix-rank-item:hover { background: var(--accent-pale); border-color: var(--line); }
    .matrix-rank-item.is-child-view {
      width: 100%;
      margin-left: 0;
      border-left: 0;
    }
    .matrix-rank-index { flex: 0 0 18px; color: var(--accent); font-weight: 600; }
    .matrix-rank-body { min-width: 0; display: grid; gap: var(--sp-1); }
    .matrix-rank-body strong {
      display: flex;
      align-items: center;
      gap: var(--sp-2);
      font-size: var(--fs-label);
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }
    .matrix-rank-body strong::before {
      display: none;
      width: 7px;
      height: 7px;
      border-radius: var(--r-full);
      background: var(--task-color, var(--accent-mid));
    }
    .matrix-rank-body span { color: var(--muted); font-size: var(--fs-caption); }
    @media (max-width: 980px) {
      .matrix-layout { grid-template-columns: 1fr; }
    }
    .quadrant-dot {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      position: relative;
      width: min(100%, 190px);
      min-height: 26px;
      padding: 4px 9px 4px 20px;
      border: 1px solid var(--task-border-subtle);
      border-radius: var(--r-full);
      background: var(--task-surface-strong);
      color: var(--task-text, var(--accent-strong));
      font-size: var(--fs-caption);
      line-height: 1.15;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
      cursor: grab;
      touch-action: none;
      user-select: none;
    }
    .quadrant-dot::before {
      content: "";
      position: absolute;
      left: 8px;
      width: 6px;
      height: 6px;
      border-radius: var(--r-full);
      background: var(--task-color, var(--accent));
    }
    .quadrant-dot:active { cursor: grabbing; }
    .quadrant-dot:hover { border-color: var(--task-color); background: var(--task-soft); }
    .quadrant-dot.is-dragging { position: relative; z-index: 6; opacity: .82; box-shadow: 0 10px 24px rgba(66,44,20,.18); }
    .quadrant-dot.matrix-dot {
      --matrix-dot-border: var(--task-color, var(--line));
      --matrix-dot-bg: var(--task-soft, var(--panel));
      --matrix-dot-text: var(--task-text, var(--accent-strong));
      --matrix-dot-marker: var(--task-color, var(--accent));
      position: absolute;
      width: max-content;
      max-width: min(360px, calc(100% - 24px));
      min-height: 32px;
      justify-content: flex-start;
      gap: var(--sp-1);
      padding: 6px 12px;
      transform: translate(-50%, -50%);
      border-color: var(--matrix-dot-border);
      background: var(--matrix-dot-bg);
      color: var(--matrix-dot-text);
      font-size: var(--fs-body);
      white-space: normal;
      box-shadow: var(--matrix-chip-shadow);
      z-index: 2;
    }
    .quadrant-dot.matrix-dot::before {
      position: static;
      flex: 0 0 6px;
      width: 6px;
      height: 6px;
      background: var(--matrix-dot-marker);
    }
    .quadrant-dot.matrix-dot:hover {
      border-color: var(--task-border, var(--matrix-dot-border));
      background: var(--task-soft, var(--matrix-dot-bg));
      color: var(--matrix-dot-text);
    }
    .quadrant-dot.matrix-dot .matrix-task-level {
      display: inline-flex;
      width: auto;
      height: auto;
      min-height: 0;
      flex: 0 0 auto;
      align-items: center;
      padding: 0;
      border: 0;
      border-radius: 0;
      background: transparent;
      color: var(--matrix-label-faint);
      font-size: var(--fs-caption);
      font-weight: 500;
      letter-spacing: .04em;
      line-height: 1;
      white-space: nowrap;
    }
    .quadrant-dot.matrix-dot > .matrix-task-title {
      min-width: 0;
      overflow: visible;
      overflow-wrap: anywhere;
      text-overflow: clip;
      font-weight: 600;
      white-space: normal;
    }
    .quadrant-dot.matrix-dot .matrix-task-score {
      flex: 0 0 auto;
      color: inherit;
      font-size: var(--fs-caption);
      font-variant-numeric: tabular-nums;
      opacity: .76;
    }
    .quadrant-dot.matrix-dot.is-dragging { position: absolute; z-index: 6; }
    .quadrant-dot.is-child-view { border-style: dashed; }
    .quadrant-dot.is-child-view::before { content: "↳"; width: auto; height: auto; border-radius: 0; background: transparent; font-size: var(--fs-caption); }
    @media (max-width: 640px) {
      .matrix-layout {
        width: 100%;
        min-width: 0;
        overflow: hidden;
        padding-bottom: 0;
      }
      .matrix-scroll {
        width: 100%;
        max-width: 100%;
        overflow-x: auto;
        overflow-y: hidden;
        overscroll-behavior-x: contain;
        scrollbar-color: var(--scrollbar-thumb) transparent;
        scrollbar-width: thin;
        touch-action: pan-x pan-y pinch-zoom;
        -webkit-overflow-scrolling: touch;
      }
      .matrix-scroll > .matrix-plot-frame {
        width: clamp(620px, 175vw, 760px);
        min-width: 620px;
      }
      .matrix-plot {
        height: auto;
        aspect-ratio: 4 / 3;
        touch-action: pan-x pan-y pinch-zoom;
      }
      .quadrant-dot.matrix-dot {
        max-width: min(280px, calc(50% - var(--sp-5)));
        min-height: 30px;
        padding: 5px 10px;
        font-size: var(--fs-caption);
        line-height: 1.2;
      }
      .quadrant-dot.matrix-dot .matrix-task-level,
      .quadrant-dot.matrix-dot .matrix-task-score { font-size: var(--fs-caption); }
      .matrix-quadrant-guide {
        gap: var(--sp-2);
        padding-inline: var(--sp-2);
      }
      .matrix-quadrant-guide > span {
        align-items: flex-start;
        flex-direction: column;
        gap: var(--sp-1);
      }
      .matrix-quadrant-guide > span:nth-child(2) { align-items: flex-end; }
      .matrix-quadrant-guide strong,
      .matrix-quadrant-guide small {
        max-width: 100%;
        overflow: hidden;
        line-height: 1.3;
        text-overflow: ellipsis;
        white-space: nowrap;
      }
      .matrix-quadrant-guide strong { font-size: var(--fs-caption); }
      .matrix-quadrant-guide small,
      .matrix-axis-x,
      .matrix-axis-y { font-size: var(--fs-caption); }
    }

    .search,
    .select {
      min-height: 36px;
      border: 0;
      border-radius: var(--r-md);
      background-color: transparent;
      color: var(--ink);
      font-size: var(--fs-caption);
      outline: none;
      transition: background .14s ease, box-shadow .14s ease;
    }
    .search {
      min-width: 180px;
      flex: 1 1 320px;
      padding: 0 12px 0 34px;
      background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16' fill='none' stroke='%238b8175' stroke-width='1.4'%3E%3Ccircle cx='7' cy='7' r='4.2'/%3E%3Cpath d='m10.2 10.2 3 3'/%3E%3C/svg%3E");
      background-repeat: no-repeat;
      background-position: 11px center;
    }
    .select {
      width: auto;
      min-width: 156px;
      flex: 0 1 184px;
      padding: 0 34px 0 11px;
      appearance: none;
      -webkit-appearance: none;
      background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 14 14' fill='none' stroke='%238b8175' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m4 5.5 3 3 3-3'/%3E%3C/svg%3E");
      background-repeat: no-repeat;
      background-position: right 10px center;
    }
    .search:hover,
    .select:hover { background-color: var(--soft); }
    .search:focus,
    .select:focus {
      background-color: var(--panel);
      box-shadow: inset 0 0 0 1px var(--accent-border-strong), 0 0 0 3px var(--accent-overlay);
    }

    .main-grid {
      display: grid;
      grid-template-columns: 340px minmax(0, 1fr);
      gap: var(--sp-3);
      align-items: start;
    }

    .today {
      margin-top: var(--workspace-section-space);
      background: transparent;
      border: 0;
      border-radius: 0;
      box-shadow: none;
      overflow: visible;
    }

    .panel-head {
      padding: 0 0 var(--sp-3);
      border-bottom: 1px solid var(--line);
      display: flex;
      justify-content: space-between;
      gap: var(--sp-3);
      align-items: center;
      background: transparent;
    }

    .panel-head h2 {
      margin: 0;
      font-size: var(--fs-title);
      letter-spacing: 0;
      line-height: 1.3;
    }
    #todayStamp {
      display: inline-flex;
      min-height: 0;
      align-items: center;
      padding: 0;
      border-radius: 0;
      background: transparent;
      color: var(--muted);
      font-size: var(--fs-caption);
      font-weight: 400;
      letter-spacing: 0;
      white-space: nowrap;
    }

    .recommend-list {
      padding: var(--sp-4) 0 0;
    }