/* 기본은 밝은 테마. data-theme="dark"가 붙으면 어두운 테마로 전환된다. */
  :root {
    color-scheme: light;
    --bg: #f6f7f9;
    --grid: #e5e8ee;
    --grid-major: #d3d8e1;
    --panel: #ffffff;
    --panel-2: #f0f2f6;
    --border: #e2e6ec;
    --border-strong: #c6ccd6;
    --text: #171a20;
    --muted: #656d7a;
    --faint: #98a0ac;
    --accent: #4f46e5;
    --accent-soft: #4f46e524;
    --head-bg: #f3f5f9;
    --fade-rgb: 246, 247, 249;
    --shadow: rgba(20, 25, 35, .14);
    --badge-ring: rgba(255, 255, 255, .5);

    --object: #1d7fa8;
    --event: #b1761c;
    --folder: #5a6678;

    --todo: #7b8496;
    --wip: #b1761c;
    --done: #12855f;
    --blocked: #cc464f;
    --deadline-soon: #c45f00;
    --deadline-overdue: #d12f3a;
    --folder-surface: color-mix(in srgb, var(--folder) 7%, transparent);
    --folder-head-surface: color-mix(in srgb, var(--folder) 11%, transparent);

    /* 프로토콜은 테마가 달라도 같은 색으로 기억할 수 있게 고정한다. */
    --p-call: #1677c8;
    --p-http: #16875b;
    --p-websocket: #7c4dcc;
    --p-event: #d97706;
    --p-db: #c2416c;
    --p-custom: #64748b;
  }

  :root[data-theme="dark"] {
    color-scheme: dark;
    --bg: #0b0d12;
    --grid: #171b24;
    --grid-major: #222836;
    --panel: #12151c;
    --panel-2: #171b23;
    --border: #262b36;
    --border-strong: #39404f;
    --text: #e6e8ee;
    --muted: #8b93a3;
    --faint: #5d6675;
    --accent: #5b5bd6;
    --accent-soft: #5b5bd633;
    --head-bg: #161a22;
    --fade-rgb: 11, 13, 18;
    --shadow: rgba(0, 0, 0, .5);
    --badge-ring: rgba(0, 0, 0, .35);

    --object: #2b9cc8;
    --event: #e5a83f;
    --folder: #61708f;

    --todo: #61708f;
    --wip: #e5a83f;
    --done: #31b98b;
    --blocked: #e36d72;
    --deadline-soon: #ffb23f;
    --deadline-overdue: #ff747c;
    --folder-surface: color-mix(in srgb, var(--folder) 10%, transparent);
    --folder-head-surface: color-mix(in srgb, var(--folder) 16%, transparent);

  }

  * { box-sizing: border-box; }
  [hidden] { display: none !important; }
  html, body { height: 100%; margin: 0; overflow: hidden; }
  body {
    font-family: -apple-system, "Segoe UI", Pretendard, "Malgun Gothic", sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 13px;
    -webkit-font-smoothing: antialiased;
  }
  button, input, select, textarea { font: inherit; color: inherit; }

  /* ───────────────────────── 레이아웃 ───────────────────────── */
  /* minmax(0,1fr): 좁은 창에서 캔버스가 인스펙터에 밀려 찌그러지지 않게 한다 */
  #shell {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 300px;
    height: 100%;
    transition: grid-template-columns .16s ease;
  }
  #shell.insp-collapsed { grid-template-columns: minmax(0, 1fr) 0px; }
  #shell.insp-collapsed #inspector { border-left-color: transparent; }

  #stage { position: relative; overflow: hidden; }

  #topbar {
    position: absolute; top: 0; left: 0; right: 0; z-index: 30;
    display: flex; align-items: center; align-content: flex-start; flex-wrap: wrap; gap: 6px;
    padding: 10px 12px;
    background: linear-gradient(to bottom, rgba(var(--fade-rgb), .96) 55%, rgba(var(--fade-rgb), 0));
    pointer-events: none;
  }
  #topbar > * { pointer-events: auto; }
  .brand { font-weight: 600; margin-right: 8px; letter-spacing: -.01em; white-space: nowrap; }
  .spacer { flex: 1; }
  #topbar .spacer { min-width: 8px; }
  .top-link { color: inherit; text-decoration: none; }
  .session-chip, .presence-chip {
    display: inline-flex; align-items: center; gap: 6px; min-height: 29px;
    padding: 5px 9px; border: 1px solid var(--border); border-radius: 999px;
    background: color-mix(in srgb, var(--panel) 86%, transparent); white-space: nowrap;
    color: var(--muted); font-size: 11px;
  }
  .presence-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--done); box-shadow: 0 0 0 3px color-mix(in srgb, var(--done) 18%, transparent); }

  /* 좁은 창 대응 — 캔버스를 최대한 지킨다 */
  @media (max-width: 1100px) { #shell { grid-template-columns: minmax(0, 1fr) 260px; } }
  @media (max-width: 900px)  { #hint { display: none; } .brand { display: none; } }

  .btn {
    padding: 6px 11px; border-radius: 7px;
    border: 1px solid var(--border);
    background: var(--panel);
    cursor: pointer; white-space: nowrap;
    transition: background .12s, border-color .12s;
  }
  .btn:hover { background: var(--panel-2); border-color: var(--border-strong); }
  .btn:active { transform: translateY(1px); }
  .btn:disabled { opacity: .38; cursor: default; transform: none; }
  .btn.primary { background: var(--accent); border-color: var(--accent); }
  .btn.primary:hover { filter: brightness(1.1); }
  .trial-badge {
    display: inline-flex; align-items: center; gap: 5px; padding: 5px 9px;
    border: 1px solid color-mix(in srgb, var(--accent) 45%, var(--line));
    border-radius: 999px; background: color-mix(in srgb, var(--accent) 8%, var(--panel));
    color: var(--accent); font-size: 11px; font-weight: 700; white-space: nowrap;
  }
  .btn.icon { padding: 6px 9px; }

  #searchBox {
    width: 170px; padding: 6px 10px; border-radius: 7px;
    border: 1px solid var(--border); background: var(--panel); outline: none;
  }
  #searchBox:focus { border-color: var(--accent); width: 230px; }
  .node.search-hit { outline: 2px solid var(--wip); outline-offset: 1px; }
  #edgeLayer .edge.search-hit .e-line { stroke-width: 3.4; filter: drop-shadow(0 0 3px var(--wip)); }

  /* 미니맵 */
  #minimapWrap {
    position: absolute; right: 12px; bottom: 52px; z-index: 20;
    border: 1px solid var(--border); border-radius: 8px;
    background: var(--panel); padding: 4px; cursor: pointer;
    box-shadow: 0 4px 14px var(--shadow);
  }
  #minimap { display: block; }
  #minimapWrap[hidden] { display: none; }

  /* 필터 패널 */
  #filterPanel {
    position: absolute; top: 48px; left: 12px; z-index: 40;
    width: 230px; display: none;
    background: var(--panel); border: 1px solid var(--border-strong);
    border-radius: 10px; box-shadow: 0 12px 34px var(--shadow);
  }
  #filterPanel.open { display: block; }
  .fp-head {
    display: flex; align-items: center; justify-content: space-between;
    padding: 10px 8px 10px 12px; border-bottom: 1px solid var(--border); font-weight: 600;
  }
  .fp-body { padding: 10px 12px; max-height: 46vh; overflow-y: auto; }
  .fp-group { margin-bottom: 12px; }
  .fp-label { font-size: 11px; color: var(--muted); margin-bottom: 5px; }
  .fp-item {
    display: flex; align-items: center; gap: 7px;
    padding: 5px 6px; border-radius: 6px; cursor: pointer; font-size: 12px;
  }
  .fp-item:hover { background: var(--panel-2); }
  .fp-item input { accent-color: var(--accent); }
  .fp-foot { padding: 10px 12px; border-top: 1px solid var(--border); }

  /* 필터 켜짐 알림 — 노드가 사라진 이유를 알 수 있게 */
  #filterBanner {
    position: absolute; top: 52px; left: 50%; transform: translateX(-50%);
    z-index: 25; display: none; align-items: center; gap: 8px;
    padding: 6px 8px 6px 14px; border-radius: 999px;
    background: var(--accent); color: #fff; font-size: 12px;
    box-shadow: 0 6px 20px var(--shadow);
  }
  #filterBanner.open { display: flex; }
  #filterBanner .btn { background: rgba(255,255,255,.18); border-color: transparent; color: #fff; }

  #hint {
    position: absolute; left: 12px; bottom: 10px; z-index: 20;
    color: var(--faint); font-size: 11px; pointer-events: none;
    line-height: 1.7;
  }
  #zoombar {
    position: absolute; right: 12px; bottom: 10px; z-index: 20;
    display: flex; align-items: center; gap: 4px;
  }
  #zoomLabel {
    min-width: 46px; text-align: center;
    color: var(--muted); font-variant-numeric: tabular-nums; font-size: 11px;
  }

  /* ───────────────────────── 캔버스 ───────────────────────── */
  #viewport {
    position: absolute; inset: 0;
    background-color: var(--bg);
    background-image:
      linear-gradient(var(--grid-major) 1px, transparent 1px),
      linear-gradient(90deg, var(--grid-major) 1px, transparent 1px),
      linear-gradient(var(--grid) 1px, transparent 1px),
      linear-gradient(90deg, var(--grid) 1px, transparent 1px);
    cursor: default;
  }
  #viewport.panning { cursor: grabbing; }
  #viewport.spacing { cursor: grab; }

  #world { position: absolute; top: 0; left: 0; transform-origin: 0 0; }
  #nodeLayer { position: absolute; top: 0; left: 0; z-index: 1; }
  #edgeOverlayLayer { position: absolute; overflow: visible; pointer-events: none; z-index: 8; }
  #collabLayer { position: absolute; top: 0; left: 0; z-index: 12; pointer-events: none; }
  .remote-cursor {
    position: absolute; left: 0; top: 0; white-space: nowrap;
    transform: translate3d(calc(var(--cursor-x, 0px) - 2px), calc(var(--cursor-y, 0px) - 2px), 0);
    transition: transform 50ms linear;
    will-change: transform;
  }
  .remote-pointer {
    position: absolute; left: 0; top: 0; width: 25px; height: 25px;
    color: var(--cursor-color); overflow: visible;
    transform: rotate(-10deg); transform-origin: 2px 2px;
    filter: drop-shadow(0 2px 2px var(--shadow));
  }
  .remote-pointer path { fill: currentColor; stroke: #fff; stroke-width: 1.6; stroke-linejoin: round; }
  .remote-cursor-label { display: block; margin: 20px 0 0 17px; padding: 3px 7px; border-radius: 5px; background: var(--cursor-color); color: white; font-size: 10px; box-shadow: 0 3px 9px var(--shadow); }

  /* 엣지는 노드 아래 깔리되, 선 자체는 클릭 가능 */
  #edgeLayer { position: absolute; overflow: visible; pointer-events: none; z-index: 0; }
  #edgeLayer .e-hit { stroke: transparent; stroke-width: 14; fill: none; pointer-events: stroke; cursor: pointer; }
  :is(#edgeLayer, #edgeOverlayLayer) .e-casing { fill: none; stroke: var(--bg); stroke-width: 7; stroke-linecap: round; stroke-linejoin: round; }
  :is(#edgeLayer, #edgeOverlayLayer) .e-line { fill: none; stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }
  #edgeOverlayLayer .e-arrowhead { stroke: none; pointer-events: none; }
  #edgeLayer .edge:hover .e-line { stroke-width: 3; filter: drop-shadow(0 0 2px var(--bg)); }
  #edgeLayer .e-label {
    font-size: 11px; fill: var(--text); paint-order: stroke;
    stroke: var(--bg); stroke-width: 3.5; stroke-linejoin: round;
  }
  #edgeLayer .e-sub { font-size: 9.5px; fill: var(--muted); paint-order: stroke; stroke: var(--bg); stroke-width: 3; }
  #edgeLayer .edge.selected .e-casing {
    stroke: color-mix(in srgb, var(--accent) 42%, var(--bg));
    stroke-width: 8;
  }
  #edgeLayer .edge.selected .e-line {
    stroke-width: 3.2;
    opacity: 1;
    filter: drop-shadow(0 0 2px color-mix(in srgb, var(--accent) 65%, transparent));
  }
  #edgeLayer .edge.selected .e-label { fill: var(--accent); font-weight: 600; }
  #edgeLayer .edge.lifecycle-deprecated .e-line { opacity: .55; }
  #edgeLayer .edge.lifecycle-retired .e-line { opacity: .25; stroke-dasharray: 3 5; }
  #edgeOverlayLayer .edge.lifecycle-deprecated .e-line { opacity: .62; }
  #edgeOverlayLayer .edge.lifecycle-retired .e-line { opacity: .32; stroke-dasharray: 3 5; }
  #edgeLayer .edge.selected .e-line { opacity: 1; }
  #edgeOverlayLayer .edge.selected .e-arrowhead {
    stroke: color-mix(in srgb, var(--accent) 50%, white);
    stroke-width: 1.1;
    filter: drop-shadow(0 0 2px color-mix(in srgb, var(--accent) 65%, transparent));
  }
  #edgeOverlayLayer .e-anchor-handle { pointer-events: all; cursor: grab; }
  #edgeOverlayLayer .e-anchor-handle.dragging { cursor: grabbing; }
  #edgeOverlayLayer .e-anchor-handle-hit { fill: transparent; stroke: none; }
  #edgeOverlayLayer .e-anchor-handle-dot {
    fill: var(--bg); stroke: var(--accent); stroke-width: 2;
    vector-effect: non-scaling-stroke;
    filter: drop-shadow(0 1px 2px var(--shadow));
  }
  #edgeOverlayLayer .e-anchor-option {
    fill: var(--bg); stroke: var(--muted); stroke-width: 1.5;
    vector-effect: non-scaling-stroke;
  }
  #edgeOverlayLayer .e-anchor-option.active {
    fill: var(--accent); stroke: white; stroke-width: 2;
  }

  /* 연결 모드 */
  #viewport.connecting { cursor: crosshair; }
  #viewport.connecting .node { cursor: crosshair; }
  .node.connect-source { border-color: var(--accent) !important; box-shadow: 0 0 0 2px var(--accent); }
  .node.connect-hover  { border-color: var(--done) !important; box-shadow: 0 0 0 2px var(--done); }
  .btn.on { background: var(--accent); border-color: var(--accent); }

  /* 인스펙터 — 인터페이스 목록 */
  .io-group { margin-bottom: 12px; }
  .io-group > .io-head {
    font-size: 11px; color: var(--muted); margin-bottom: 5px;
    display: flex; justify-content: space-between;
  }
  .io-item {
    display: flex; align-items: center; gap: 6px;
    padding: 5px 7px; margin-bottom: 3px;
    border: 1px solid var(--border); border-radius: 6px;
    background: var(--bg); cursor: pointer; font-size: 11px;
  }
  .io-item:hover { border-color: var(--border-strong); }
  .io-arrow { color: var(--faint); flex: none; }
  .io-peer { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .io-proto { flex: none; font-size: 9px; padding: 1px 5px; border-radius: 999px; border: 1px solid; }
  .io-empty { color: var(--faint); font-size: 11px; padding: 2px 0 6px; }

  /* ───────────────────────── 노드 ───────────────────────── */
  .node {
    position: absolute;
    background: var(--panel);
    border: 1px solid var(--border-strong);
    color: var(--text);
    padding: 9px 11px;
    cursor: grab;
    user-select: none;
    overflow: hidden;
    display: flex; flex-direction: column; gap: 3px;
  }
  .node:active { cursor: grabbing; }
  .node.object, .node.event, .node.folder { border-width: 2px; }
  .node.object {
    border-radius: 8px;
    padding-left: 18px;
    border-color: color-mix(in srgb, var(--object) 30%, var(--border-strong));
    box-shadow: 0 3px 10px color-mix(in srgb, var(--object) 9%, transparent);
  }
  .node.object::before {
    content: ""; position: absolute; inset: 0 auto 0 0; width: 7px;
    border-radius: 6px 0 0 6px; background: var(--object-accent, #9ca3af);
    pointer-events: none;
  }
  .node.object, .node.event { overflow: visible; }
  .node.event  {
    border-radius: 999px;
    padding-left: 16px; padding-right: 16px;
    flex-direction: row; align-items: center; justify-content: center; gap: 6px;
    text-align: center;
  }
  .node.event .n-title { flex: 1; min-width: 0; text-align: center; }

  /* 폴더 — 머리말 + 자식이 들어가는 본문 */
  /* 폴더는 구조를 구분하되 내부 콘텐츠의 시인성을 해치지 않는 옅은 면으로 표시한다. */
  .node.folder {
    border-radius: 10px;
    background: var(--folder-surface);
    padding: 0; gap: 0;
    overflow: visible;
    pointer-events: none;
  }
  .node.folder > .f-head,
  .node.folder > .resize-handle,
  .node.folder .node.object,
  .node.folder .node.event { pointer-events: auto; }
  .f-head {
    height: 40px; flex: none;   /* JS의 FOLDER_HEAD와 반드시 같아야 한다 */
    display: flex; align-items: center; gap: 6px;
    padding: 0 9px;
    border-bottom: 1px solid color-mix(in srgb, var(--folder) 28%, var(--border));
    background: var(--folder-head-surface);
    border-radius: 8px 8px 0 0;
  }
  .f-head .n-title { flex: 1; font-size: 12px; }
  .folder-icon { width: 17px; height: 17px; display: inline-flex; align-items: center; justify-content: center; color: var(--folder); flex: none; }
  .folder-icon svg { width: 17px; height: 17px; display: block; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
  .folder-icon svg [data-fill] { fill: currentColor; stroke: none; }
  .f-caret {
    color: var(--muted); font-size: 9px; width: 13px; height: 18px;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer; border-radius: 4px; flex: none;
  }
  .f-caret:hover { background: var(--border); color: var(--text); }
  .f-count { color: var(--faint); font-size: 10px; flex: none; }
  .f-body { position: relative; flex: 1; min-height: 0; overflow: hidden; }
  .node.folder.collapsed .f-body { display: none; }

  .node.folder.drop-target {
    border-color: var(--accent);
    background: color-mix(in srgb, var(--accent) 10%, transparent);
  }
  .node.folder.drag-source-open {
    overflow: visible;
    z-index: 40;
    border-style: dashed;
    border-color: var(--accent);
  }

  #dragExitHint {
    position: absolute; z-index: 70;
    display: flex; align-items: center; gap: 6px;
    padding: 6px 9px; border-radius: 999px;
    color: #fff; background: var(--accent);
    font-size: 11px; font-weight: 600;
    box-shadow: 0 8px 24px var(--shadow);
    opacity: 0; transform: translate(12px, 12px) scale(.94);
    pointer-events: none;
    transition: opacity .12s, transform .12s;
  }
  #dragExitHint.show { opacity: 1; transform: translate(12px, 12px) scale(1); }

  .resize-handle {
    position: absolute; right: 0; bottom: 0; width: 16px; height: 16px;
    cursor: nwse-resize; z-index: 3;
  }
  .resize-handle::after {
    content: ""; position: absolute; right: 4px; bottom: 4px; width: 7px; height: 7px;
    border-right: 2px solid var(--border-strong); border-bottom: 2px solid var(--border-strong);
  }
  .node.folder:hover .resize-handle::after,
  .node.folder.selected .resize-handle::after,
  .node.memo:hover .resize-handle::after,
  .node.memo.selected .resize-handle::after { border-color: var(--muted); }

  .node.selected {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px var(--accent-soft), 0 6px 18px var(--shadow);
  }
  .node.edge-endpoint {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px var(--accent-soft), 0 4px 14px var(--shadow);
  }
  .node.dragging { opacity: .85; z-index: 60; }
  .node.collision-blocked {
    border-color: var(--blocked);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--blocked) 22%, transparent), 0 12px 28px var(--shadow);
  }
  .node.dragging.drag-extracting {
    opacity: .96;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft), 0 12px 28px var(--shadow);
  }

  /* 독립 메모 — 구조 요소와 분리된 최상위 포스트잇 */
  .node.memo {
    z-index: 80;
    padding: 12px 14px 14px;
    gap: 7px;
    overflow: visible;
    border: 0;
    border-left: 0;
    border-radius: 2px 2px 14px 2px;
    color: #4d421d;
    background:
      linear-gradient(135deg, transparent 0 76%, rgba(151,119,25,.16) 76% 100%) bottom right / 24px 24px no-repeat,
      linear-gradient(145deg, #fff5a9 0%, #ffe66f 58%, #f4ce46 100%);
    box-shadow: 0 3px 2px rgba(105,81,13,.12), 0 12px 26px rgba(73,57,11,.18);
  }
  .node.memo::before {
    content: "";
    position: absolute; top: -7px; left: 50%; width: 62px; height: 15px;
    transform: translateX(-50%) rotate(-1deg);
    background: rgba(255,255,255,.48);
    border: 1px solid rgba(147,124,44,.12);
    box-shadow: 0 1px 2px rgba(77,57,7,.08);
    pointer-events: none;
  }
  .node.memo.selected {
    border-color: transparent;
    box-shadow: 0 0 0 3px var(--accent-soft), 0 4px 3px rgba(105,81,13,.14), 0 16px 30px rgba(73,57,11,.22);
  }
  .node.memo.memo-editing {
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 72%, transparent),
      0 0 0 7px color-mix(in srgb, var(--accent) 18%, transparent),
      0 16px 30px rgba(73,57,11,.22);
  }
  .node.memo.memo-editing .memo-grip { color: var(--accent); }
  .node.memo.dragging { z-index: 90; opacity: .94; }
  .memo-grip {
    flex: none;
    height: 13px;
    color: rgba(93,72,14,.48);
    font-size: 9px;
    font-weight: 800;
    letter-spacing: .16em;
    cursor: grab;
  }
  .memo-content {
    width: 100%;
    flex: 1;
    min-height: 0;
    overflow: auto;
    padding: 0 2px 2px 0;
    color: #4d421d;
    background: transparent;
    font-family: inherit;
    font-size: 14px;
    line-height: 1.55;
    overflow-wrap: anywhere;
    user-select: text;
    cursor: text;
  }
  .memo-render:empty::before { content: attr(data-placeholder); color: rgba(91,72,19,.45); pointer-events: none; }
  .memo-render h1, .memo-render h2, .memo-render h3,
  .memo-render h4, .memo-render h5, .memo-render h6 { margin: .2em 0 .45em; color: #392e0f; line-height: 1.25; }
  .memo-render h1 { font-size: 1.55em; } .memo-render h2 { font-size: 1.35em; } .memo-render h3 { font-size: 1.18em; }
  .memo-render p { margin: 0 0 .65em; } .memo-render p:last-child { margin-bottom: 0; }
  .memo-render ul, .memo-render ol { margin: .25em 0 .65em; padding-left: 1.55em; }
  .memo-render li { margin: .12em 0; } .memo-render li.task { list-style: none; margin-left: -1.25em; }
  .memo-render input[type="checkbox"] { margin: 0 .3em 0 0; accent-color: #8b7418; cursor: pointer; }
  .memo-render input[type="checkbox"]:disabled { cursor: default; }
  .memo-render blockquote { margin: .45em 0; padding-left: .7em; border-left: 3px solid rgba(91,72,19,.3); color: rgba(77,66,29,.78); }
  .memo-render pre { margin: .45em 0; padding: .55em .65em; overflow: auto; border-radius: 5px; background: rgba(255,255,255,.42); }
  .memo-render code { padding: .08em .25em; border-radius: 3px; background: rgba(255,255,255,.42); font: .9em/1.45 ui-monospace,SFMono-Regular,Consolas,monospace; }
  .memo-render pre code { padding: 0; background: transparent; }
  .memo-render a { color: #315da8; text-decoration: underline; }
  .memo-render hr { border: 0; border-top: 1px solid rgba(91,72,19,.25); }
  .memo-render s { opacity: .62; text-decoration-thickness: 1.5px; }
  .memo-markdown-input {
    display: block; width: 100%; height: 100%; min-height: 0; box-sizing: border-box; resize: none;
    padding: 6px 8px; border: 1px solid color-mix(in srgb, var(--accent) 42%, transparent); outline: 0;
    border-radius: 5px; color: inherit; background: rgba(255,255,255,.28);
    font: inherit; line-height: inherit; overflow-wrap: anywhere; tab-size: 2;
  }
  .node.memo.locked-by-other .memo-content { cursor: crosshair; }

  .node .n-title {
    font-weight: 600; font-size: 13px; line-height: 1.3;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  }
  .node.object .n-title { display: flex; align-items: center; gap: 6px; padding-right: 48px; font-size: 15px; font-weight: 700; line-height: 1.35; }
  .node.object .n-object-icon { width: 18px; height: 18px; flex: none; object-fit: contain; }
  .node.object .n-title-text { min-width: 0; overflow: hidden; text-overflow: ellipsis; }
  .node.object .n-code-location {
    min-width: 0; margin-top: 3px;
    color: color-mix(in srgb, var(--text) 72%, var(--muted)); font: 11.5px/1.3 ui-monospace,SFMono-Regular,Consolas,"Liberation Mono",monospace;
  }
  .node.object .n-code-location-text { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .node .n-sub {
    font-size: 11px; color: var(--muted); line-height: 1.3;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  }
  .node .n-badges { display: flex; gap: 4px; align-items: center; margin-top: 1px; }
  .chip {
    font-size: 10px; padding: 1px 6px; border-radius: 999px;
    border: 1px solid var(--border-strong); color: var(--muted);
    white-space: nowrap;
  }
  .chip.status-todo    { color: var(--todo);    border-color: color-mix(in srgb, var(--todo) 45%, transparent); }
  .chip.status-wip     { color: var(--wip);     border-color: color-mix(in srgb, var(--wip) 45%, transparent); }
  .chip.status-done    { color: var(--done);    border-color: color-mix(in srgb, var(--done) 45%, transparent); }
  .chip.status-blocked { color: var(--blocked); border-color: color-mix(in srgb, var(--blocked) 45%, transparent); }
  .chip.deadline-due-soon { color: var(--deadline-soon); font-weight: 700; border-color: color-mix(in srgb, var(--deadline-soon) 75%, transparent); background: color-mix(in srgb, var(--deadline-soon) 15%, transparent); }
  .chip.deadline-overdue { color: var(--deadline-overdue); font-weight: 700; border-color: color-mix(in srgb, var(--deadline-overdue) 75%, transparent); background: color-mix(in srgb, var(--deadline-overdue) 15%, transparent); }
  .chip.github { color: #6d5bd0; border-color: color-mix(in srgb, #6d5bd0 48%, transparent); background: color-mix(in srgb, #6d5bd0 10%, transparent); }
  .deadline-note.deadline-due-soon { color: var(--deadline-soon); font-weight: 700; }
  .deadline-note.deadline-overdue { color: var(--deadline-overdue); font-weight: 700; }
  .node.locked-by-other { cursor: crosshair; border-style: dashed; opacity: .88; }
  .node.locked-by-me { box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 38%, transparent); }
  .n-collab { position: absolute; left: 8px; top: -12px; display: flex; align-items: center; gap: 4px; z-index: 3; pointer-events: none; }
  .node.folder > .n-collab { top: -12px; left: 8px; transform: none; max-width: calc(100% - 30px); }
  .collab-badge { max-width: 150px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; padding: 2px 7px; border-radius: 999px; color: #fff; font-size: 9px; box-shadow: 0 2px 7px var(--shadow); }
  .collab-badge.work { background: var(--done); }
  .collab-badge.lock { background: var(--lock-color, var(--accent)); }

  /* 담당자 배지 */
  .owner-badge {
    width: 17px; height: 17px; border-radius: 999px; flex: none;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 9px; font-weight: 700; color: #fff;
    border: 1px solid var(--badge-ring);
  }
  .node .n-owners { display: flex; gap: 2px; }
  .node.object .n-owners { position: absolute; right: 8px; top: 7px; }

  .owner-chips { display: flex; flex-wrap: wrap; gap: 4px; margin-bottom: 6px; }
  .owner-chip {
    display: inline-flex; align-items: center; gap: 5px;
    padding: 3px 6px 3px 4px; border-radius: 999px;
    border: 1px solid var(--border-strong); background: var(--bg);
    font-size: 11px;
  }
  .owner-chip button {
    border: none; background: none; color: var(--faint);
    cursor: pointer; padding: 0 1px; font-size: 12px; line-height: 1;
  }
  .owner-chip button:hover { color: var(--blocked); }
  .owner-chip.legacy { border-style: dashed; color: var(--muted); }
  .owner-picker { display: grid; gap: 4px; max-height: 180px; overflow: auto; padding: 5px; border: 1px solid var(--border); border-radius: 7px; background: var(--bg); }
  .owner-dropdown > summary { list-style: none; cursor: pointer; padding: 7px 9px; border: 1px solid var(--border); border-radius: 6px; background: var(--bg); color: var(--muted); font-size: 11px; }
  .owner-dropdown > summary::-webkit-details-marker { display: none; }
  .owner-dropdown[open] > summary { margin-bottom: 5px; border-color: var(--accent); }
  .owner-option { display: flex; align-items: center; gap: 7px; padding: 5px 6px; border-radius: 5px; cursor: pointer; font-size: 11px; }
  .owner-option:hover { background: var(--panel-2); }
  .owner-option input { width: auto !important; margin: 0; }
  .object-icon-picker { display: grid; grid-template-columns: 34px minmax(0,1fr); gap: 7px; align-items: center; }
  .object-icon-preview { width: 34px; height: 34px; display: grid; place-items: center; border: 1px solid var(--border); border-radius: 7px; background: var(--panel-2); }
  .object-icon-preview img { width: 22px; height: 22px; object-fit: contain; }
  .object-color-palette { display: flex; flex-wrap: wrap; gap: 7px; }
  .object-color-swatch {
    width: 28px; height: 28px; padding: 0; border: 2px solid var(--panel);
    border-radius: 7px; background: var(--swatch); cursor: pointer;
    box-shadow: 0 0 0 1px var(--border-strong); color: #fff; font-size: 15px; line-height: 1;
  }
  .object-color-swatch:hover { transform: translateY(-1px); box-shadow: 0 0 0 2px var(--border-strong); }
  .object-color-swatch.on { box-shadow: 0 0 0 2px var(--text); }

  /* 마퀴 선택 */
  #marquee {
    position: absolute; z-index: 15; display: none;
    border: 1px solid var(--accent);
    background: var(--accent-soft);
    pointer-events: none;
  }

  /* ───────────────────────── 인스펙터 ───────────────────────── */
  #inspector {
    background: var(--panel);
    border-left: 1px solid var(--border);
    display: flex; flex-direction: column;
    overflow: hidden;
  }
  #inspBody { overflow-y: auto; padding: 14px; flex: 1; }
  #inspFoot {
    padding: 10px 14px; border-top: 1px solid var(--border);
    display: flex; gap: 6px; align-items: center;
    color: var(--faint); font-size: 11px;
  }

  .insp-empty { color: var(--faint); line-height: 1.8; }
  .insp-empty b { color: var(--muted); font-weight: 600; }

  .field { margin-bottom: 12px; }
  .field > label {
    display: block; font-size: 11px; color: var(--muted);
    margin-bottom: 5px; letter-spacing: .01em;
  }
  .field input[type=text], .field input[type=date], .field textarea, .field select {
    width: 100%; padding: 7px 9px;
    background: var(--bg); border: 1px solid var(--border);
    border-radius: 6px; outline: none;
  }
  .field input:focus, .field textarea:focus, .field select:focus { border-color: var(--accent); }
  .field input:disabled, .field textarea:disabled, .field select:disabled, .seg button:disabled { opacity: .58; cursor: not-allowed; }
  .field textarea { resize: vertical; min-height: 60px; line-height: 1.5; }
  .progress-meta { margin: -5px 0 8px; color: var(--faint); font-size: 10px; }
  .lock-banner { margin-bottom: 12px; padding: 9px 10px; border: 1px solid var(--border-strong); border-radius: 8px; background: var(--panel-2); color: var(--muted); line-height: 1.5; }
  .lock-banner.mine { border-color: color-mix(in srgb, var(--accent) 45%, var(--border)); color: var(--accent); }
  .contract-section {
    margin: 0 0 12px; border: 1px solid var(--border); border-radius: 8px;
    background: color-mix(in srgb, var(--panel-2) 35%, transparent);
  }
  .contract-section > summary { padding: 9px 10px; cursor: pointer; color: var(--muted); font-size: 11px; font-weight: 600; }
  .contract-section[open] > summary { border-bottom: 1px solid var(--border); }
  .contract-section-body { padding: 10px; }
  .inspector-section > summary { display: flex; align-items: center; gap: 7px; list-style: none; }
  .inspector-section > summary::-webkit-details-marker { display: none; }
  .inspector-section > summary::before { content: "›"; flex: none; color: var(--faint); font-size: 15px; line-height: 1; transition: transform .12s ease; }
  .inspector-section[open] > summary::before { transform: rotate(90deg); }
  .inspector-section-title { color: var(--text); }
  .inspector-section-summary { min-width: 0; margin-left: auto; overflow: hidden; color: var(--faint); font-weight: 500; text-overflow: ellipsis; white-space: nowrap; }
  .inspector-section.danger-section { border-color: color-mix(in srgb, var(--blocked) 35%, var(--border)); }
  .inspector-section.danger-section .inspector-section-title { color: var(--blocked); }
  .contract-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
  .contract-grid .field { margin-bottom: 4px; }
  .contract-check { display: flex; gap: 7px; align-items: center; padding: 7px 0; color: var(--muted); }
  .validation-summary { padding: 8px 10px; margin-bottom: 12px; border-radius: 7px; background: var(--panel-2); font-size: 11px; }
  .validation-summary.error { color: var(--blocked); border: 1px solid color-mix(in srgb, var(--blocked) 35%, transparent); }
  .validation-summary.warning { color: var(--wip); border: 1px solid color-mix(in srgb, var(--wip) 35%, transparent); }

  .seg { display: flex; gap: 4px; }
  .seg button {
    flex: 1; padding: 6px 4px; border-radius: 6px; cursor: pointer;
    border: 1px solid var(--border); background: var(--bg); color: var(--muted);
    font-size: 11px;
  }
  .seg button.on { border-color: var(--accent); background: var(--accent-soft); color: var(--text); }

  .insp-head {
    display: flex; align-items: center; gap: 7px;
    margin-bottom: 14px; padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
  }
  .kind-dot { width: 9px; height: 9px; border-radius: 3px; flex: none; }
  .kind-dot.object { background: var(--object); border-radius: 3px; }
  .kind-dot.event  { background: var(--event); border-radius: 999px; }
  .kind-dot.folder { background: var(--folder); border-radius: 3px; }
  .insp-head .k { color: var(--muted); font-size: 11px; }
  .insp-head .n { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

  .danger { color: var(--blocked); border-color: color-mix(in srgb, var(--blocked) 40%, transparent); }
  .danger:hover { background: color-mix(in srgb, var(--blocked) 14%, transparent); }

  /* ───────────────────────── 모달 ───────────────────────── */
  #modalWrap {
    position: fixed; inset: 0; z-index: 100; display: none;
    background: rgba(15, 18, 26, .55);
    align-items: center; justify-content: center;
  }
  #modalWrap.open { display: flex; }
  #modal {
    width: min(720px, 92vw); max-height: 84vh;
    background: var(--panel); border: 1px solid var(--border-strong);
    border-radius: 12px; display: flex; flex-direction: column;
    box-shadow: 0 24px 60px var(--shadow);
  }
  #modalHead {
    padding: 14px 16px; border-bottom: 1px solid var(--border);
    display: flex; align-items: center; gap: 8px;
  }
  #modalTitle { font-weight: 600; flex: 1; }
  #modalBody { padding: 14px 16px; overflow-y: auto; flex: 1; }
  #modalFoot {
    padding: 12px 16px; border-top: 1px solid var(--border);
    display: flex; gap: 8px; align-items: center;
  }
  #jsonArea {
    width: 100%; height: 46vh; padding: 11px;
    background: var(--bg); border: 1px solid var(--border); border-radius: 8px;
    font-family: ui-monospace, "Cascadia Mono", Consolas, monospace;
    font-size: 12px; line-height: 1.55; resize: none; outline: none;
    white-space: pre; overflow-wrap: normal; overflow-x: auto;
  }
  #jsonArea:focus { border-color: var(--accent); }
  #modalMsg { flex: 1; font-size: 11px; color: var(--muted); }
  #modalMsg.err { color: var(--blocked); }
  #modalMsg.ok { color: var(--done); }

  .github-work-card {
    margin: 14px 0; padding: 11px; border: 1px solid var(--border);
    border-radius: 9px; background: var(--panel-2);
  }
  .github-work-card .github-work-head { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
  .github-work-card .github-work-head strong { flex: 1; }
  .github-work-card p { margin: 5px 0; color: var(--muted); font-size: 11px; line-height: 1.5; }
  .github-work-card .github-work-actions { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 9px; }
  .map-modal-backdrop {
    position: fixed; inset: 0; z-index: 450; display: flex; align-items: center; justify-content: center;
    padding: 18px; background: rgba(15, 18, 26, .58);
  }
  .map-modal {
    width: min(540px, 100%); max-height: 88vh; overflow: auto; padding: 16px;
    border: 1px solid var(--border-strong); border-radius: 12px; background: var(--panel);
    box-shadow: 0 24px 60px var(--shadow);
  }
  .map-modal-head { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
  .map-modal-head h2 { flex: 1; margin: 0; font-size: 16px; }
  .map-modal-description { margin: 0 0 14px; color: var(--muted); font-size: 12px; line-height: 1.55; }
  .map-modal-actions { display: flex; justify-content: flex-end; flex-wrap: wrap; gap: 7px; margin-top: 14px; }
  .map-modal-error { min-height: 16px; margin: 8px 0 0; color: var(--blocked); font-size: 11px; }
  .map-modal .check-field { display: flex; align-items: center; gap: 8px; margin: 5px 0 12px; }

  /* ───────────────────────── 토스트 ───────────────────────── */
  #toast {
    position: fixed; left: 50%; bottom: 26px; transform: translateX(-50%) translateY(10px);
    background: var(--panel-2); border: 1px solid var(--border-strong);
    padding: 9px 16px; border-radius: 8px; z-index: 200;
    opacity: 0; pointer-events: none; transition: opacity .18s, transform .18s;
    box-shadow: 0 10px 30px var(--shadow);
  }
  #toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

  #contextMenu {
    position: fixed; z-index: 400; min-width: 190px;
    padding: 5px; border: 1px solid var(--border-strong); border-radius: 9px;
    background: var(--panel); box-shadow: 0 14px 38px var(--shadow);
    opacity: 0; transform: scale(.96); transform-origin: top left;
    pointer-events: none; transition: opacity .08s, transform .08s;
  }
  #contextMenu.open { opacity: 1; transform: scale(1); pointer-events: auto; }
  #contextMenu button {
    display: flex; align-items: center; justify-content: space-between;
    width: 100%; padding: 7px 9px; border: 0; border-radius: 6px;
    color: var(--text); background: transparent; text-align: left; cursor: pointer;
  }
  #contextMenu button:hover { background: var(--panel-2); }
  #contextMenu button.danger { color: var(--blocked); }
  #contextMenu .cm-shortcut { margin-left: 20px; color: var(--faint); font-size: 10px; }
  #contextMenu .cm-sep { height: 1px; margin: 4px 3px; background: var(--border); }
  .node:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }