.gantt-palette-copy strong { font-size: var(--fs-label); }
    .gantt-palette-copy span { color: var(--muted); font-size: var(--fs-caption); }
    .gantt-palette-items { display: flex; flex: 1 1 520px; flex-wrap: wrap; gap: var(--sp-2); }
    .gantt-palette-option {
      display: inline-flex;
      align-items: center;
      gap: var(--sp-2);
      min-height: 32px;
      padding: 0 10px;
      border: 1px solid var(--line);
      border-radius: var(--r-md);
      background: var(--panel);
      color: var(--ink);
      font-size: var(--fs-caption);
      cursor: pointer;
      user-select: none;
    }
    .gantt-palette-option:has(input:checked) {
      border-color: var(--task-border);
      background: var(--task-surface);
    }
    .gantt-palette-option input { margin: 0; accent-color: var(--task-color, var(--accent)); }
    .gantt-palette-title { display: inline-flex; min-width: 0; align-items: center; gap: var(--sp-1); }
    .gantt-palette-actions { display: flex; flex-wrap: wrap; gap: var(--sp-2); }
    .gantt-palette-actions button,
    .gantt-toolbar button { min-height: 30px; padding: 0 10px; font-size: var(--fs-caption); }
    .gantt-toolbar {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: var(--sp-3);
      margin-bottom: 12px;
    }
    .gantt-toolbar-copy { display: grid; gap: var(--sp-1); }
    .gantt-toolbar-copy strong { font-size: var(--fs-body); white-space: nowrap; }
    .gantt-toolbar-copy span { color: var(--muted); font-size: var(--fs-caption); }
    .gantt-touch-hint { display: none; }
    .gantt-toolbar-actions { display: flex; flex-wrap: wrap; gap: var(--sp-2); }
    .gantt-toolbar-actions button { white-space: nowrap; }
    .gantt-toolbar-actions > button[aria-expanded="true"] { border-color: var(--accent-border); background: var(--accent-pale); color: var(--accent); }
    .gantt-toolbar-actions > .gantt-display-toggle[aria-expanded="true"] {
      border-color: var(--accent);
      background: var(--accent);
      color: var(--color-white);
    }
    .gantt-link-panel {
      display: grid;
      gap: var(--sp-3);
      margin: 0 0 12px;
      padding: 13px;
      border: 1px solid var(--accent-border-subtle);
      border-radius: var(--radius-card);
      background: var(--accent-surface);
    }
    .gantt-link-panel-head { display: flex; align-items: center; justify-content: space-between; gap: var(--sp-3); }
    .gantt-link-panel-head div { display: grid; gap: var(--sp-1); }
    .gantt-link-panel-head strong { font-size: var(--fs-label); }
    .gantt-link-panel-head span { color: var(--muted); font-size: var(--fs-caption); }
    .gantt-link-panel-head > span { flex: 0 0 auto; white-space: nowrap; }
    .gantt-link-builder {
      display: grid;
      grid-template-columns: minmax(160px, 1fr) 22px minmax(160px, 1fr) auto;
      gap: var(--sp-2);
      align-items: end;
    }
    .gantt-link-builder label { gap: var(--sp-1); color: var(--muted); font-size: var(--fs-caption); }
    .gantt-link-builder select { min-height: 36px; background: var(--panel); }
    .gantt-link-arrow { align-self: center; color: var(--accent); font-size: var(--fs-title); text-align: center; }
    .gantt-link-builder button { min-height: 36px; white-space: nowrap; }
    .gantt-link-list { display: flex; flex-wrap: wrap; gap: var(--sp-2); }
    .gantt-link-item {
      display: inline-flex;
      min-height: 31px;
      align-items: center;
      gap: var(--sp-2);
      padding: 0 4px 0 10px;
      border: 1px solid var(--line);
      border-radius: var(--r-full);
      background: var(--panel);
      color: var(--muted);
      font-size: var(--fs-caption);
    }
    .gantt-link-item b { color: var(--ink); font-weight: 650; }
    .gantt-link-item button { display: grid; width: 24px; min-height: 24px; place-items: center; padding: 0; border: 0; border-radius: var(--r-full); background: transparent; color: var(--muted); }
    .gantt-link-item button:hover { background: var(--soft); color: var(--danger); }
    .gantt-link-empty { color: var(--muted); font-size: var(--fs-caption); }
    .gantt-zoom { display: inline-flex; padding: 3px; border: 1px solid var(--line); border-radius: var(--r-md); background: var(--soft); }
    .gantt-zoom button { min-height: 29px; padding: 0 11px; border-color: transparent; background: transparent; font-size: var(--fs-caption); }
    .gantt-zoom button[aria-pressed="true"] { background: var(--panel); border-color: var(--line); color: var(--accent); box-shadow: 0 1px 3px rgba(66,44,20,.06); }
    .gantt-date-scroll {
      grid-column: 2;
      grid-row: 1 / 3;
      min-width: 0;
      overflow-x: scroll;
      overflow-y: hidden;
      border-left: 1px solid var(--border-subtle);
      background: var(--panel);
      scrollbar-width: thin;
      scrollbar-color: var(--scrollbar-thumb) transparent;
      overscroll-behavior-inline: contain;
      scrollbar-gutter: stable;
      -webkit-overflow-scrolling: touch;
      touch-action: pan-x pan-y;
    }
    .gantt-date-scroll.is-gantt-dragging { overscroll-behavior: none; }
    .gantt-date-scroll:hover { scrollbar-color: var(--scrollbar-thumb-hover) transparent; }
    .gantt-date-scroll::-webkit-scrollbar { height: var(--gantt-scrollbar-height, 10px); }
    .gantt-date-scroll::-webkit-scrollbar-track {
      background: var(--panel);
      box-shadow: inset 0 1px 0 var(--hair);
    }
    .gantt-date-scroll::-webkit-scrollbar-thumb {
      border: 2px solid transparent;
      border-radius: var(--r-full);
      background: var(--scrollbar-thumb);
      background-clip: padding-box;
      cursor: grab;
    }
    .gantt-date-scroll::-webkit-scrollbar-thumb:hover { background: var(--scrollbar-thumb-hover); background-clip: padding-box; }
    .gantt {
      --gantt-label-width: 214px;
      --gantt-header-height: 60px;
      --gantt-row-height: max(50px, calc(var(--gantt-bar-height) + 26px));
      --gantt-bar-height: max(24px, 2em);
      --gantt-scrollbar-height: 12px;
      --gantt-bottom-gap: var(--sp-2);
      --gantt-milestone-size: 36px;
      --gantt-milestone-width: clamp(28px, calc(var(--gantt-day-width, 40px) - 12px), 72px);
      --timeline-radius: var(--radius-control);
      position: relative;
      display: grid;
      grid-template-columns: var(--gantt-label-width) minmax(0, 1fr);
      grid-template-rows: auto var(--gantt-scrollbar-height);
      gap: 0;
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-card);
      overflow: hidden;
      background: var(--panel);
    }
    .gantt-label-column {
      grid-column: 1;
      grid-row: 1 / 3;
      position: relative;
      z-index: 4;
      display: grid;
      align-content: start;
      min-width: 0;
      padding-bottom: var(--gantt-scrollbar-height);
      background: var(--panel);
      box-shadow: 1px 0 0 var(--border-subtle);
    }
    .gantt-date-canvas {
      position: relative;
      display: grid;
      align-content: start;
      width: max(100%, var(--gantt-timeline-width, 960px));
      min-width: 100%;
      background: var(--panel);
    }
    .gantt-bottom-spacer {
      display: block;
      height: var(--gantt-bottom-gap);
      min-height: var(--gantt-bottom-gap);
      background: var(--panel);
      pointer-events: none;
    }
    .gantt-deps {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      z-index: 3;
      pointer-events: none;
      overflow: visible;
    }
    .gantt-deps path {
      fill: none;
      stroke: var(--color-connector);
      stroke-width: 1.6;
      stroke-linecap: round;
      stroke-linejoin: round;
      opacity: .8;
    }
    .gantt-deps marker path {
      fill: var(--color-connector);
      stroke: none;
      opacity: 1;
    }
    .gantt-scale-label {
      display: flex;
      height: var(--gantt-header-height);
      min-height: var(--gantt-header-height);
      align-items: flex-end;
      padding: 0 13px 10px;
      border-bottom: 1px solid var(--border-subtle);
      color: var(--muted);
      font-size: var(--fs-caption);
      background: var(--accent-pale);
    }
    .gantt-scale-track {
      position: relative;
      height: var(--gantt-header-height);
      min-height: var(--gantt-header-height);
      min-width: 0;
      border-bottom: 1px solid var(--border-subtle);
      color: var(--muted);
      font-size: var(--fs-caption);
      background: var(--panel);
    }
    .gantt-months,
    .gantt-weeks { position: absolute; inset-inline: 0; overflow: hidden; }
    .gantt-months {
      top: 0;
      height: 30px;
      overflow: visible;
      border-bottom: 1px solid var(--border-subtle);
      background: var(--accent-pale);
    }
    .gantt-weeks { bottom: 0; height: 30px; }
    .gantt-months span,
    .gantt-weeks span {
      position: absolute;
      inset-block: 0;
      display: flex;
      align-items: center;
      padding-left: 8px;
      border-right: 1px solid var(--hair);
      white-space: nowrap;
      overflow: hidden;
    }
    .gantt-weeks span {
      justify-content: center;
      padding-inline: var(--sp-2);
    }
    .gantt-months span {
      padding-inline: 0;
      overflow: visible;
      color: var(--ink);
      font-weight: 600;
    }
    .gantt-month-label {
      position: sticky;
      left: 8px;
      display: inline-flex;
      max-width: calc(100% - 16px);
      height: 100%;
      align-items: center;
      padding-right: 8px;
      overflow: hidden;
      background: linear-gradient(90deg, var(--accent-pale) 78%, transparent);
      font: inherit;
      text-overflow: ellipsis;
      white-space: nowrap;
    }
    .gantt-row-label {
      height: var(--gantt-row-height);
      min-width: 0;
      min-height: var(--gantt-row-height);
      max-height: var(--gantt-row-height);
      position: relative;
      display: flex;
      align-items: center;
      padding: 0 32px 0 calc(34px + var(--task-indent, 0px));
      overflow: hidden;
      border-bottom: 1px solid var(--hair);
      background: var(--panel);
      white-space: nowrap;
    }
    .gantt-row-label.is-touch-selected { background: var(--task-surface-strong, var(--accent-pale)); }
    .gantt-row-label strong {
      display: block;
      min-width: 0;
      flex: 1 1 auto;
      overflow: hidden;
      font-size: var(--fs-label);
      text-overflow: ellipsis;
      white-space: nowrap;
    }
    .gantt-row-label strong { font-weight: 650; }
    .gantt-row-label.is-child-view strong { font-weight: 550; }
    .gantt-row-label strong::before { content: none; }
    .gantt-remove {
      position: absolute;
      right: 6px;
      top: 50%;
      transform: translateY(-50%);
      width: 22px;
      min-height: 22px;
      padding: 0;
      border: 0;
      border-radius: var(--timeline-radius);
      background: transparent;
      color: var(--muted);
      font-size: var(--fs-body-lg);
      opacity: 0;
      transition: opacity .15s ease, background-color .15s ease;
    }
    .gantt-row-label:hover .gantt-remove,
    .gantt-remove:focus-visible { opacity: 1; }
    .gantt-remove:hover { background: var(--accent-pale); color: var(--danger); }
    .gantt-track {
      height: var(--gantt-row-height);
      min-height: var(--gantt-row-height);
      max-height: var(--gantt-row-height);
      position: relative;
      overflow: visible;
      border-bottom: 1px solid var(--hair);
      background: var(--panel);
      cursor: crosshair;
    }
    .gantt-period-bands {
      position: absolute;
      z-index: 0;
      inset: 0;
      overflow: hidden;
      pointer-events: none;
    }
    .gantt-period-bands > i {
      position: absolute;
      inset-block: 0;
      border-right: 1px solid var(--hair);
      background: var(--gantt-day-tone-a, transparent);
    }
    .gantt-period-bands > i.is-alt { background: var(--gantt-day-tone-b, transparent); }
    .gantt-track.is-touch-selected {
      box-shadow: inset 0 0 0 1px var(--task-color, var(--accent));
      touch-action: none;
    }
    .gantt-today-line {
      position: absolute;
      z-index: 1;
      inset-block: 0;
      width: 0;
      border-left: 2px dashed var(--color-timeline-today);
      opacity: .72;
      pointer-events: none;
    }
    .gantt-today-line.has-cap::before { content: ""; position: absolute; top: -4px; left: -4px; width: 7px; height: 7px; border-radius: var(--r-full); background: var(--color-timeline-today); }
    .gantt-bar {
      position: absolute;
      z-index: 2;
      top: calc(var(--gantt-row-height) / 2);
      display: flex;
      align-items: center;
      height: var(--gantt-bar-height);
      min-width: var(--gantt-bar-height);
      transform: translateY(-50%);
      border: .5px solid var(--task-border-subtle);
      border-radius: 0;
      background: linear-gradient(90deg, var(--task-color, var(--accent)) 0 4px, var(--task-soft, var(--soft)) 4px);
      color: var(--task-text, var(--accent-strong));
      box-shadow: none;
      font-size: var(--fs-caption);
      line-height: 1.15;
      padding: 0 11px;
      overflow: visible;
      cursor: grab;
      user-select: none;
      -webkit-user-select: none;
      touch-action: pan-x pan-y;
    }
    .gantt-bar:hover,
    .gantt-milestone:hover { z-index: 7; }
    .gantt-bar.is-touch-selected,
    .gantt-milestone.is-touch-selected {
      z-index: 7;
      outline: 2px solid var(--task-color, var(--accent));
      outline-offset: 3px;
      touch-action: none;
    }
    .gantt-bar.is-dragging,
    .gantt-milestone.is-dragging {
      z-index: 8;
      cursor: grabbing;
      filter: drop-shadow(0 5px 8px var(--task-ring));
    }
    .gantt-bar:active { cursor: grabbing; }
    .gantt-handle {
      position: absolute;
      top: 0;
      bottom: 0;
      width: 12px;
      background: transparent;
      cursor: ew-resize;
      opacity: 0;
      transition: opacity .14s ease;
    }
    .gantt-handle::after {
      content: "";
      position: absolute;
      inset-block: var(--sp-1);
      left: 50%;
      width: 3px;
      transform: translateX(-50%);
      border-radius: var(--r-sm);
      background: var(--task-color, var(--accent));
    }
    .gantt-bar:hover .gantt-handle,
    .gantt-bar:focus-within .gantt-handle,
    .gantt-milestone:hover .gantt-handle,
    .gantt-milestone:focus-within .gantt-handle { opacity: .65; }
    .gantt-handle.left { left: 0; }
    .gantt-handle.right { right: 0; }
    .gantt-milestone {
      position: absolute;
      z-index: 2;
      top: calc(var(--gantt-row-height) / 2);
      display: grid;
      width: var(--gantt-milestone-width);
      height: var(--gantt-milestone-size);
      place-items: center;
      transform: translate(-50%, -50%);
      color: var(--task-text, var(--accent-strong));
      font-size: var(--fs-caption);
      overflow: visible;
      white-space: nowrap;
      cursor: grab;
      user-select: none;
      -webkit-user-select: none;
      touch-action: pan-x pan-y;
    }
    .gantt-milestone-symbol {
      display: grid;
      width: 100%;
      height: 100%;
      place-items: center;
      pointer-events: none;
    }
    .gantt-milestone-flag {
      position: relative;
      display: block;
      width: calc(100% - 8px);
      max-width: 72px;
      height: var(--gantt-bar-height);
      border: 0;
      background: var(--task-soft, var(--soft));
      clip-path: polygon(6px 0, 100% 0, calc(100% - 6px) 50%, 100% 100%, 6px 100%, 0 50%);
      filter: drop-shadow(0 1px 1px var(--task-ring));
      transition: transform .14s ease;
    }
    .gantt-milestone-flag::before {
      content: "";
      position: absolute;
      inset: 0;
      background: var(--task-color, var(--accent));
      clip-path: polygon(6px 0, 7.5px 0, 1.5px 50%, 7.5px 100%, 6px 100%, 0 50%);
      opacity: .9;
      pointer-events: none;
    }
    .gantt-milestone-flag::after {
      content: "";
      position: absolute;
      inset: 0;
      background: var(--task-color, var(--accent));
      clip-path: polygon(10px 0, 11.5px 0, 5.5px 50%, 11.5px 100%, 10px 100%, 4px 50%);
      opacity: .52;
      pointer-events: none;
    }
    .gantt-milestone:hover .gantt-milestone-flag,
    .gantt-milestone:focus-visible .gantt-milestone-flag,
    .gantt-milestone.is-dragging .gantt-milestone-flag { transform: scale(1.08); }
    .gantt-milestone .gantt-handle {
      top: 50%;
      bottom: auto;
      height: calc(var(--gantt-milestone-size) - var(--sp-2));
      transform: translateY(-50%);
    }
    .gantt-milestone .gantt-handle.left { left: calc(var(--sp-2) * -1); }
    .gantt-milestone .gantt-handle.right { right: calc(var(--sp-2) * -1); }
    .gantt-milestone.is-range-preview {
      min-width: var(--gantt-bar-height);
      height: var(--gantt-bar-height);
      transform: translateY(-50%);
      border: .5px solid var(--task-border-subtle);
      border-radius: 0;
      background: linear-gradient(90deg, var(--task-color, var(--accent)) 0 4px, var(--task-soft, var(--soft)) 4px);
    }
    .gantt-milestone.is-range-preview .gantt-milestone-symbol {
      justify-self: start;
      width: var(--gantt-bar-height);
    }
    .gantt-bar:focus-visible,
    .gantt-milestone:focus-visible {
      outline: 2px solid var(--task-color, var(--accent));
      outline-offset: 3px;
    }
    .gantt-milestone:active { cursor: grabbing; }
    .gantt-decision-marker {
      position: absolute;
      z-index: 12;
      top: 50%;
      transform: translate(-50%, -50%);
      display: grid;
      width: 34px;
      height: 34px;
      min-height: 34px;
      place-items: center;
      border-radius: var(--r-sm);
      border: 0;
      padding: 0;
      appearance: none;
      background: var(--surface-glass);
      color: var(--task-color, var(--accent));
      font: inherit;
      cursor: pointer;
      box-shadow: 0 0 0 1px var(--surface-glass);
      backdrop-filter: blur(1.5px);
      -webkit-backdrop-filter: blur(1.5px);
    }
    .gantt-decision-marker.is-open,
    .gantt-decision-marker:focus-visible { z-index: 14; }
    .gantt-decision-marker:hover {
      border: 0;
      background: var(--surface-glass-strong);
      color: var(--task-color, var(--accent));
    }
    .gantt-decision-marker .decision-flag { width: 18px; height: 20px; pointer-events: none; }
    .gantt-decision-tooltip {
      position: absolute;
      width: 1px;
      height: 1px;
      margin: -1px;
      padding: 0;
      overflow: hidden;
      clip: rect(0 0 0 0);
      clip-path: inset(50%);
      white-space: nowrap;
    }
    .gantt-decision-floating {
      position: fixed;
      z-index: 1000;
      display: grid;
      width: min(280px, calc(100vw - 32px));
      gap: var(--sp-1);
      padding: 10px 11px;
      transform: translateY(3px);
      border: 1px solid var(--task-border-subtle, var(--line));
      border-radius: var(--radius-control);
      background: var(--panel);
      color: var(--ink);
      box-shadow: 0 10px 24px rgba(54,36,17,.18);
      font-size: var(--fs-caption);
      font-weight: 500;
      line-height: 1.45;
      text-align: left;
      white-space: normal;
      opacity: 0;
      pointer-events: none;
      transition: opacity .14s ease, transform .14s ease;
    }
    .gantt-decision-floating.is-below { transform: translateY(-3px); }
    .gantt-decision-floating.is-visible {
      transform: translateY(0);
      opacity: 1;
    }
    .gantt-decision-tooltip strong,
    .gantt-decision-floating strong {
      overflow: hidden;
      font-size: var(--fs-label);
      font-weight: 700;
      text-overflow: ellipsis;
      white-space: nowrap;
    }
    .gantt-decision-tooltip span,
    .gantt-decision-floating span { color: var(--muted); }
    .gantt-decision-tooltip b,
    .gantt-decision-floating b {
      margin-right: var(--sp-1);
      color: var(--ink);
      font-weight: 650;
    }
    .gantt-decision-tooltip .gantt-decision-date,
    .gantt-decision-floating .gantt-decision-date {
      color: var(--task-text, var(--accent-strong));
      font-variant-numeric: tabular-nums;
    }
    .gantt-bar::after,
    .gantt-milestone::after {
      content: attr(data-tooltip);
      position: absolute;
      z-index: 10;
      left: 50%;
      bottom: calc(100% + 9px);
      width: max-content;
      max-width: min(320px, calc(100vw - 24px));
      padding: 8px 12px;
      transform: translate(-50%, var(--sp-1));
      border: 1px solid var(--task-border-subtle, var(--line));
      border-radius: var(--radius-control);
      background: var(--panel);
      color: var(--ink);
      box-shadow: 0 10px 24px rgba(54,36,17,.18);
      font-size: var(--fs-caption);
      font-weight: 600;
      line-height: 1.4;
      overflow-wrap: anywhere;
      white-space: normal;
      opacity: 0;
      pointer-events: none;
      transition: opacity .14s ease, transform .16s ease;
    }
    .gantt-bar:hover::after,
    .gantt-milestone:hover::after,
    .gantt-bar:focus-visible::after,
    .gantt-milestone:focus-visible::after,
    .gantt-bar.is-touch-selected::after,
    .gantt-milestone.is-touch-selected::after {
      transform: translate(-50%, 0);
      opacity: 1;
    }
    .gantt-bar.is-dragging::after,
    .gantt-milestone.is-dragging::after { opacity: 0 !important; }
    .gantt-track.is-decision-hover .gantt-bar::after,
    .gantt-track.is-decision-hover .gantt-milestone::after { opacity: 0 !important; }
    #ganttView.is-decision-open .gantt-bar::after,
    #ganttView.is-decision-open .gantt-milestone::after { opacity: 0 !important; }
    .gantt-selection {
      position: absolute;
      z-index: 3;
      top: 50%;
      height: 26px;
      min-width: 8px;
      display: flex;
      align-items: center;
      transform: translateY(-50%);
      padding: 0 10px;
      border: 1px dashed var(--task-color, var(--accent));
      border-radius: 0;
      background: var(--task-overlay);
      color: var(--task-text, var(--accent-strong));
      font-size: var(--fs-caption);
      white-space: nowrap;
      overflow: hidden;
      pointer-events: none;
    }

    .calendar-toolbar {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: var(--sp-4);
      margin-bottom: var(--sp-3);
    }
    .calendar-period-copy {
      display: grid;
      min-width: 0;
      gap: var(--sp-1);
    }
    .calendar-period-copy > div {
      display: flex;
      align-items: center;
      gap: var(--sp-2);
    }
    .calendar-period-copy strong {
      color: var(--ink);
      font-size: var(--fs-title);
      font-weight: 650;
      line-height: 1.25;
    }
    .calendar-period-copy small {
      color: var(--muted);
      font-size: var(--fs-caption);
    }
    .calendar-nav {
      display: flex;
      align-items: center;
      gap: var(--sp-2);
    }
    .calendar-nav button {
      min-height: 38px;
      padding-inline: var(--sp-3);
      border-color: var(--border-subtle);
      background: var(--panel);
      font-size: var(--fs-caption);
      white-space: nowrap;
    }
    .calendar-nav button:hover { border-color: var(--accent-border); }
    .calendar-nav button:disabled {
      border-color: var(--border-subtle);
      background: var(--soft);
      color: var(--muted);
      opacity: .55;
      cursor: default;
    }
    .calendar-grid {
      display: grid;
      width: 100%;
      min-width: 0;
      gap: 0;
      background: var(--panel);
    }
    .calendar-grid.is-day { grid-template-columns: repeat(7, minmax(0, 1fr)); }
    .calendar-grid.is-week { grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr)); }
    .calendar-grid.is-month { grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr)); }
    .calendar-grid.is-quarter { grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr)); }
    .calendar-granularity-label {
      width: fit-content;
      margin: 0;
      padding: 5px 10px;
      border-radius: var(--r-full);
      background: var(--accent-pale);
      color: var(--accent);
      font-size: var(--fs-caption);
      font-weight: 650;
      white-space: nowrap;
    }
    .calendar-wrap {
      overflow: hidden;
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-card);
      background: var(--panel);
    }
    .calendar-day {
      /* Every cell starts at ~5 event rows so a light week and a busy week
         line up; cells still grow when a day holds more than five items. */
      min-height: 230px;
      border: 0;
      border-right: 1px solid var(--hair);
      border-bottom: 1px solid var(--hair);
      border-radius: 0;
      padding: 0 11px 11px;
      background: var(--panel);
      scroll-margin-top: var(--sp-3);
    }
    .calendar-day.muted { background: var(--soft); color: var(--muted); }
    .calendar-day.is-today { box-shadow: inset 3px 0 0 var(--color-timeline-today); }
    .calendar-day > strong {
      display: block;
      margin: 0 -11px 7px;
      padding: 8px 11px;
      overflow: hidden;
      border-bottom: 1px solid var(--hair);
      background: var(--accent-pale);
      font-size: var(--fs-caption);
      text-overflow: ellipsis;
      white-space: nowrap;
    }
    .calendar-event {
      display: flex;
      position: relative;
      width: 100%;
      min-width: 0;
      min-height: 30px;
      align-items: flex-start;
      gap: var(--sp-2);
      margin-top: 7px;
      padding: 5px 8px 5px calc(8px + var(--task-indent-calendar, 0px));
      border: .5px solid var(--task-border-subtle);
      border-left: 2px solid var(--task-color, var(--accent));
      border-radius: 0;
      background: var(--task-soft, var(--soft));
      color: var(--task-text, var(--accent-strong));
      font-size: var(--fs-caption);
      line-height: 1.35;
    }
    .calendar-event-status {
      display: grid;
      flex: 0 0 auto;
      width: 16px;
      height: 16px;
      margin-top: 1px;
      place-items: center;
      color: var(--task-color, var(--accent));
    }
    .calendar-event-status svg,
    .calendar-status-legend svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.8; }
    .calendar-event-title {
      min-width: 0;
      flex: 1 1 auto;
      font-weight: 600;
      overflow-wrap: anywhere;
      white-space: normal;
    }
    .calendar-event.is-child-view .calendar-event-title { font-weight: 500; }
    .calendar-event::before { content: none; }
    .calendar-event small { display: block; margin-top: 2px; color: var(--muted); font-size: var(--fs-caption); }
    .calendar-status-legend {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: var(--sp-3);
      margin: 0 0 var(--sp-3);
      padding: var(--sp-2) var(--sp-3);
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-control);
      background: var(--soft);
      color: var(--muted);
      font-size: var(--fs-caption);
    }
    .calendar-status-legend > strong { color: var(--ink); font-size: var(--fs-caption); }
    .calendar-status-legend > span { display: inline-flex; align-items: center; gap: var(--sp-1); }
    .calendar-decision-tag {
      display: flex;
      width: 100%;
      min-width: 0;
      min-height: 30px;
      align-items: center;
      gap: var(--sp-1);
      margin-top: var(--sp-1);
      padding: 4px 8px;
      text-align: left;
      border: .5px solid var(--task-border-subtle);
      border-left: 2px solid var(--task-color, var(--accent));
      border-radius: 0;
      background: var(--panel);
      color: var(--task-text, var(--accent-strong));
      box-shadow: none;
      font-size: var(--fs-caption);
    }
    .calendar-decision-tag .decision-flag { width: 12px; height: 13px; }
    .calendar-decision-tag > span {
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }
    .calendar-decision-tag:hover { background: var(--task-surface-strong); }
    .calendar-ongoing {
      display: block;
      margin-top: var(--sp-1);
      padding-left: var(--sp-2);
      border-left: 2px solid var(--task-color, var(--accent));
      color: var(--task-text, var(--muted));
      font-size: var(--fs-caption);
    }
    @media (max-width: 720px) {
      .gantt { --gantt-label-width: 188px; }
      .gantt-touch-hint { display: inline; }
      .calendar-grid.is-day { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .calendar-toolbar { align-items: stretch; flex-direction: column; }
      .calendar-nav button { min-height: 44px; flex: 1 1 0; }
    }
    @media (max-width: 460px) {
      .gantt { --gantt-label-width: 164px; }
      .calendar-grid.is-day { grid-template-columns: 1fr; }
    }

    .network-canvas-shell {
      position: relative;
      width: 100%;
      min-width: 0;
      max-width: 100%;
      overflow: hidden;
    }
    .network-minimap {
      position: absolute;
      right: 14px;
      bottom: 14px;
      z-index: 14;
      width: 168px;
      height: 118px;
      border: 1px solid var(--accent-border);
      border-radius: var(--radius-panel);
      background: var(--surface-glass);
      backdrop-filter: blur(8px);
      -webkit-backdrop-filter: blur(8px);
      box-shadow: 0 8px 22px rgba(66,44,20,.12);
      overflow: hidden;
      cursor: pointer;
      touch-action: none;
      user-select: none;
    }
    .network-minimap i {
      position: absolute;
      width: 8px;
      height: 5px;
      border-radius: var(--r-sm);
      transform: translate(-50%, -50%);
      opacity: .85;
      pointer-events: none;
    }
    .network-minimap-view {
      position: absolute;
      border: 1px solid var(--accent);
      border-radius: var(--r-sm);
      background: var(--accent-overlay);
      pointer-events: none;
    }
    .network-canvas-wrap {
      width: 100%;
      max-width: 100%;
      height: var(--flow-canvas-height);
      max-height: none;
      overflow: auto;
      border-radius: 0 0 var(--radius-card) var(--radius-card);
      scrollbar-width: thin;
      scrollbar-color: var(--hair) transparent;
    }
    .network-canvas {
      width: 100%;
      min-height: var(--flow-canvas-height);
      min-width: 100%;
      position: relative;
      overflow: auto;
      border: 0;
      border-radius: 0;
      background-color: var(--board-canvas);
      background-image: radial-gradient(var(--line) 1px, transparent 1px);
      background-size: 19px 19px;
      touch-action: none;
    }
    .canvas-board-bar {
      display: flex;
      align-items: center;
      margin-bottom: var(--sp-4);
      padding-bottom: var(--sp-3);
      border-bottom: 1px solid var(--hair);
    }
    .flow-board-tabs {
      display: flex;
      min-width: 0;
      flex: 1 1 auto;
      align-items: center;
      gap: var(--sp-2);
      overflow-x: auto;
      scrollbar-width: thin;
    }
    .flow-board-tab {
      display: inline-flex;
      min-height: 34px;
      flex: 0 0 auto;
      align-items: center;
      gap: var(--sp-2);
      padding: 0 var(--sp-3);
      border-color: var(--line);
      background: var(--panel);
      color: var(--muted);
      font-size: var(--fs-label);
      white-space: nowrap;
    }
    .flow-board-tab[aria-selected="true"] {
      border-color: var(--espresso);
      background: var(--espresso);
      color: var(--on-espresso);
      font-weight: 650;
      box-shadow: none;
    }
    .flow-board-tab small {
      display: inline;
      min-width: 0;
      height: auto;
      color: currentColor;
      background: transparent;
      font-size: var(--fs-caption);
      font-weight: 500;
      opacity: .6;
    }
    .flow-board-add { flex: 0 0 auto; min-height: 34px; margin-left: var(--sp-2); padding: 0 var(--sp-3); color: var(--muted); font-size: var(--fs-label); }
    .flow-board-actions { display: inline-flex; gap: var(--sp-2); margin-left: auto; }
    .flow-board-actions button { min-height: 34px; padding: 0 var(--sp-3); border-color: var(--line); background: var(--panel); color: var(--muted); font-size: var(--fs-label); }
    .flow-board-actions button:hover { border-color: var(--line); background: var(--ground); color: var(--ink); }
    .flow-workspace {
      display: grid;
      width: 100%;
      min-width: 0;
      max-width: 100%;
      grid-template-columns: minmax(0, 298px) minmax(0, 1fr);
      gap: var(--sp-3);
      align-items: start;
    }
    .flow-task-tray {
      position: static;
      width: 100%;
      min-width: 0;
      max-width: 100%;
      max-height: none;
      padding: 0 0 var(--sp-3);
      overflow: hidden;
      border: 1px solid var(--line);
      border-radius: var(--radius-card);
      background: var(--panel);
      box-shadow: none;
    }
    .flow-task-tray-head {
      display: grid;
      gap: var(--sp-1);
      margin-bottom: var(--sp-2);
      padding: var(--sp-3);
      border-bottom: 1px solid var(--hair);
      background: var(--band);
    }
    .flow-task-tray-head strong { font-size: var(--fs-body); }
    .flow-task-tray-head span { color: var(--muted); font-size: var(--fs-caption); line-height: 1.5; }
    .flow-task-tray-list { display: grid; gap: var(--sp-2); }
    .flow-tray-section { display: grid; gap: var(--sp-2); padding: 0 var(--sp-2); }
    .flow-tray-section + .flow-tray-section {
      margin-top: var(--sp-2);
      padding-top: var(--sp-2);
    }
    .flow-tray-section-label {
      padding: 0 var(--sp-1);
      color: var(--color-matrix-faint);
      font-size: var(--fs-caption);
      font-weight: 700;
      letter-spacing: .12em;
      white-space: nowrap;
    }
    .flow-task-chip {
      display: grid;
      position: relative;
      gap: 0;
      min-height: 52px;
      padding: 9px 34px 9px 10px;
      border: 1px solid var(--hair);
      border-radius: var(--radius-card);
      background: var(--ground);
      cursor: grab;
      user-select: none;
      transition: transform .15s ease, border-color .15s ease, box-shadow .15s ease;
    }
    .flow-task-chip:hover { transform: translateY(-1px); border-color: var(--line); box-shadow: var(--canvas-node-shadow); }
    .flow-folder-chip { border-color: var(--hair); background: var(--ground); }
    .flow-task-chip:active { cursor: grabbing; }
    .flow-task-chip-title { display: flex; min-width: 0; align-items: center; gap: var(--sp-2); }
    .flow-task-chip-title small {
      width: 22px;
      flex: 0 0 22px;
      padding: 0;
      background: transparent;
      color: var(--color-matrix-faint);
      font-size: var(--fs-caption);
      font-weight: 500;
    }
    .flow-task-chip-title strong { min-width: 0; }
    .flow-task-chip strong { overflow: hidden; color: var(--color-matrix-deep); font-size: var(--fs-label); font-weight: 600; text-overflow: ellipsis; white-space: nowrap; }
    .flow-task-chip span { overflow: hidden; color: var(--muted); font-size: var(--fs-caption); text-overflow: ellipsis; white-space: nowrap; }
    .flow-task-chip button {
      display: grid;
      position: absolute;
      top: 50%;
      right: 6px;
      width: 20px;
      min-height: 20px;
      padding: 0;
      place-items: center;
      transform: translateY(-50%);
      border: 0;
      border-radius: var(--r-sm);
      background: var(--espresso);
      color: var(--on-espresso);
    }
    .flow-task-chip.is-on-board::after {
      content: none;
    }
    .flow-task-chip.is-on-board { border-style: dashed; opacity: .72; }
    .flow-task-chip.is-on-board button { display: none; }
    .flow-board-main {
      width: 100%;
      min-width: 0;
      max-width: 100%;
      overflow: hidden;
      border: 1px solid var(--line);
      border-radius: var(--radius-card);
      background: var(--panel);
    }
    .network-canvas.is-drop-target {
      border-color: var(--accent);
      box-shadow: inset 0 0 0 2px var(--accent-overlay);
    }
    .network-empty-hint {
      display: grid;
      position: absolute;
      inset: 50% auto auto 50%;
      width: max-content;
      max-width: calc(100% - 40px);
      gap: var(--sp-1);
      transform: translate(-50%, -50%);
      color: var(--muted);
      text-align: center;
      pointer-events: none;
    }
    .network-empty-hint strong { color: var(--ink); font-size: var(--fs-body); }
    .network-empty-hint span {
      font-size: var(--fs-caption);
      line-height: 1.5;
      white-space: nowrap;
    }
    .network-canvas.tool-pan { cursor: grab; }
    .network-canvas.tool-pan:active { cursor: grabbing; }
    .network-canvas.tool-connect .network-node { cursor: crosshair; }
    .network-canvas.tool-connect .network-port { opacity: 1; animation: port-breathe 1.7s ease-in-out infinite; }
    @keyframes port-breathe {
      0%, 100% { box-shadow: 0 0 0 1px var(--task-border-strong); }
      50% { box-shadow: 0 0 0 5px var(--task-overlay); }
    }
    .board-mode-hint {
      position: sticky;
      top: 12px;
      left: 50%;
      z-index: 12;
      width: max-content;
      max-width: calc(100% - 28px);
      transform: translateX(-50%);
      padding: 8px 13px;
      border: 1px solid var(--accent-border);
      border-radius: var(--r-full);
      background: var(--surface-glass-strong);
      color: var(--accent);
      box-shadow: 0 7px 22px rgba(66,44,20,.10);
      backdrop-filter: blur(12px);
      font-size: var(--fs-caption);
      font-weight: 600;
      text-align: center;
      pointer-events: none;
    }
    .board-mode-hint.is-actionable {
      min-height: 38px;
      cursor: pointer;
      pointer-events: auto;
    }
    .board-mobile-scroll-hint { display: none; }
    @media (max-width: 720px) {
      .network-canvas-wrap {
        height: clamp(420px, 64svh, 620px);
        min-height: 420px;
        overflow-x: auto;
        overflow-y: hidden;
        overscroll-behavior-x: contain;
        overscroll-behavior-y: auto;
        touch-action: pan-x pan-y pinch-zoom;
        -webkit-overflow-scrolling: touch;
      }
      .network-canvas-wrap.is-pan-mode {
        overflow: auto;
        touch-action: none;
      }
      .network-canvas:not(.tool-pan) { touch-action: pan-x pan-y pinch-zoom; }
      .network-minimap { display: none; }
      .board-mobile-scroll-hint { display: block; }
      .board-mode-hint.is-actionable { min-height: 44px; }
    }
    .flow-toolbar {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: flex-end;
      gap: var(--sp-2);
      min-width: 0;
      min-height: 52px;
      padding: 10px var(--sp-3);
      border: 0;
      border-bottom: 1px solid var(--hair);
      border-radius: 0;
      background: var(--band);
    }
    .flow-toolbar-copy { display: grid; margin-right: auto; }
    .flow-toolbar-copy strong { font-size: var(--fs-label); }
    .flow-toolbar-copy span { display: none; }
    .flow-toolbar-actions {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: var(--sp-1);
      padding: 0;
      border: 0;
      border-radius: 0;
      background: transparent;
      box-shadow: none;
    }
    @media (max-width: 1080px) {
      .flow-toolbar { justify-content: flex-start; }
    }
    .flow-relation-control {
      display: inline-flex;
      min-height: 32px;
      align-items: center;
      gap: var(--sp-1);
      padding: 0 5px 0 9px;
      border-radius: var(--r-md);
      color: var(--muted);
      font-size: var(--fs-caption);
    }
    .flow-relation-control:hover { background: var(--soft); }
    .flow-relation-control .relation-type-select {
      min-height: 28px;
      max-width: 96px;
      padding: 0 20px 0 4px;
      border: 0;
      background-color: transparent;
      color: var(--ink);
      font-size: var(--fs-caption);
      box-shadow: none;
    }
    .connector-style-trigger,
    .relation-type-trigger,
    .flow-layout-button {
      display: inline-flex;
      min-height: 30px;
      align-items: center;
      gap: var(--sp-1);
      padding: 0 var(--sp-3);
      border: 1px solid var(--line);
      border-radius: var(--radius-control);
      background: var(--panel);
      color: var(--muted);
      font-size: var(--fs-label);
    }
    .connector-style-trigger:hover,
    .relation-type-trigger:hover,
    .flow-layout-button:hover { border-color: var(--line); background: var(--ground); }
    .connector-style-trigger[aria-expanded="true"] { background: var(--accent-pale); color: var(--accent); }
    .relation-type-trigger[aria-expanded="true"] { background: var(--accent-pale); color: var(--accent); }
    .relation-type-trigger::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: var(--r-full);
      background: var(--accent-mid);
      box-shadow: 0 0 0 3px var(--accent-pale);
    }
    .relation-type-trigger::after { content: "⌄"; color: var(--muted); font-size: var(--fs-caption); }
    .connector-style-trigger .connector-trigger-icon { display: inline-flex; width: 28px; color: var(--accent); }
    .connector-style-trigger .connector-trigger-icon svg { position: static; width: 28px; height: 16px; overflow: visible; pointer-events: none; }
    .connector-style-trigger::after { content: "⌄"; margin-left: 1px; color: var(--muted); font-size: var(--fs-caption); }
    .flow-layout-button svg { position: static; width: 14px; height: 14px; pointer-events: none; }
    .board-tool-button,
    .board-history-button,
    .board-zoom button {
      display: inline-flex;
      min-height: 30px;
      align-items: center;
      justify-content: center;
      gap: var(--sp-2);
      padding: 0 var(--sp-3);
      border: 1px solid var(--line);
      border-radius: var(--radius-control);
      background: var(--panel);
      color: var(--muted);
      font-size: var(--fs-label);
    }
    .board-tool-button svg,
    .board-history-button svg { position: static; width: 15px; height: 15px; pointer-events: none; }
    .board-tool-button:hover,
    .board-history-button:hover,
    .board-zoom button:hover { border-color: var(--line); background: var(--ground); color: var(--ink); }
    .board-tool-button[aria-pressed="true"],
    .board-tool-button[aria-expanded="true"] {
      border-color: var(--espresso);
      background: var(--espresso);
      color: var(--on-espresso);
      font-weight: 600;
    }
    .connection-trigger::after { content: "⌄"; margin-left: 1px; color: currentColor; font-size: var(--fs-caption); }