/* --- 01-base.css --- */
/* tokens + page shell */
/* Drawer shell styles — source for assets/vendor/drawer-app.css */
:root, [data-theme="dark"] {
  --bg: #1c1c1e;
  --canvas: #252528;
  --panel: rgba(36,36,38,.92);
  --panel-solid: #2c2c2e;
  --stroke: rgba(255,255,255,.08);
  --stroke-strong: rgba(255,255,255,.14);
  --text: #f5f5f7;
  --muted: #a1a1a6;
  --faint: #6e6e73;
  --accent: #0a84ff;
  --accent-soft: rgba(10,132,255,.16);
  --ok: #30d158;
  --warn: #ffd60a;
  --danger: #ff453a;
  --shadow: 0 12px 40px rgba(0,0,0,.45);
  --shadow-soft: 0 4px 16px rgba(0,0,0,.28);
  --radius: 14px;
  --font: "SF Pro Display", "SF Pro Text", Inter, system-ui, sans-serif;
  --mono: "SF Mono", ui-monospace, Menlo, monospace;
  --dot: rgba(255,255,255,.07);
}
[data-theme="light"] {
  --bg: #e8e8ed;
  --canvas: #f5f5f7;
  --panel: rgba(255,255,255,.86);
  --panel-solid: #ffffff;
  --stroke: rgba(0,0,0,.08);
  --stroke-strong: rgba(0,0,0,.12);
  --text: #1d1d1f;
  --muted: #6e6e73;
  --faint: #8e8e93;
  --accent: #0071e3;
  --accent-soft: rgba(0,113,227,.12);
  --ok: #248a3d;
  --warn: #b25000;
  --danger: #d70015;
  --shadow: 0 16px 40px rgba(0,0,0,.12);
  --shadow-soft: 0 4px 14px rgba(0,0,0,.08);
  --dot: rgba(0,0,0,.06);
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 13px/1.4 var(--font);
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}
button { font: inherit; color: inherit; }
.app {
  position: relative;
  height: 100%;
  width: 100%;
  display: grid;
  grid-template-columns: var(--side, 360px) minmax(0, 1fr);
  grid-template-rows: minmax(0, 1fr);
  overflow: hidden;
}


/* --- 02-chrome.css --- */
/* sheet / canvas chrome / floats / menus */
/* —— Source sheet —— */
.sheet {
  position: relative;
  z-index: 60;
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: var(--panel-solid);
  border-right: 1px solid var(--stroke);
  box-shadow: var(--shadow-soft);
}
.sheet-top {
  padding: 18px 18px 10px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}
.sheet-top h1 {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -.02em;
}
.sheet-top p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 12px;
}
.pillrow {
  display: flex; flex-wrap: wrap; gap: 6px;
  padding: 0 18px 12px;
}
.pill {
  height: 24px;
  padding: 0 10px;
  border-radius: 999px;
  border: 1px solid var(--stroke);
  background: transparent;
  color: var(--muted);
  font-size: 11.5px;
  display: inline-flex; align-items: center; gap: 5px;
}
.pill b { color: var(--text); font-weight: 600; }
.pill.ok { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 30%, var(--stroke)); }
.pill.warn { color: var(--warn); border-color: color-mix(in srgb, var(--warn) 30%, var(--stroke)); }

.editor-wrap {
  flex: 1;
  min-height: 0;
  margin: 0 12px 12px;
  border-radius: 12px;
  border: 1px solid var(--stroke);
  background: color-mix(in srgb, var(--canvas) 70%, var(--panel-solid));
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.sheet-actions {
  display: flex; flex-wrap: wrap; gap: 8px;
  padding: 0 18px 18px;
}
.btn {
  height: 32px;
  padding: 0 12px;
  border-radius: 10px;
  border: 1px solid var(--stroke);
  background: transparent;
  cursor: pointer;
  display: inline-flex; align-items: center; gap: 6px;
  transition: background .15s, border-color .15s, transform .08s;
}
.btn[hidden] { display: none !important; }
.btn:hover { background: var(--accent-soft); border-color: color-mix(in srgb, var(--accent) 35%, var(--stroke)); }
.btn:active { transform: scale(.98); }
.btn.primary {
  background: var(--accent);
  border-color: transparent;
  color: #fff;
  font-weight: 560;
}
.btn.primary:hover { filter: brightness(1.06); background: var(--accent); }
.btn.ghost { color: var(--muted); }
.btn[aria-pressed="true"] {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 40%, var(--stroke));
}
.resize {
  position: absolute; top: 0; right: -3px; width: 6px; height: 100%;
  cursor: col-resize; z-index: 3;
}

/* —— Canvas —— */
.canvas-shell {
  position: relative;
  min-width: 0;
  min-height: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--canvas);
  background-image: radial-gradient(var(--dot) 1px, transparent 1px);
  background-size: 20px 20px;
}
#preview-stage {
  position: absolute; inset: 0;
  overflow: hidden;
  cursor: grab;
}
/* Board title is the browser document.title. Do not paint it on the canvas. */
/* Refresh: hide the canvas until layout + transform finish.
   Do not hide .top-float — that makes the whole toolbar pop in. */
html[data-drawer-boot="1"] #preview-stage {
  opacity: 0 !important;
}
.board-render > .board-html-header,
.board-render > .board-title-node {
  display: none !important;
}
html[data-drawer-mode="vela"] #preview {
  padding-top: 8px;
}
#preview-stage.panning { cursor: grabbing; }
#preview-stage.panning,
#preview-stage.panning * {
  user-select: none !important;
  -webkit-user-select: none !important;
}
/* Diagram canvas is not a text surface — panning/dragging must not select item labels */
html[data-drawer-mode="vela"] #preview,
html[data-drawer-mode="vela"] #preview * {
  user-select: none;
  -webkit-user-select: none;
}
html[data-drawer-mode="vela"] .vela-dock input,
html[data-drawer-mode="vela"] .vela-dock textarea,
html[data-drawer-mode="vela"] .sheet textarea,
html[data-drawer-mode="vela"] .sheet input {
  user-select: text;
  -webkit-user-select: text;
}
#preview {
  transform-origin: 0 0;
  width: max-content;
  min-width: 0;
  min-height: 0;
  padding: 8px;
  display: block;
}
#preview svg {
  max-width: none;
  width: auto !important;
  height: auto !important;
  display: block;
  /* Same surface as Board: diagram floats on the grid, no white plate. */
  filter: none;
  background: transparent;
  border-radius: 0;
  padding: 0;
  border: 0;
}

.empty {
  margin: 18vh auto 0;
  width: min(320px, 80%);
  text-align: center;
  color: var(--faint);
  padding: 28px 20px;
  border-radius: 16px;
  border: 1px dashed var(--stroke-strong);
  background: color-mix(in srgb, var(--panel) 50%, transparent);
  backdrop-filter: blur(10px);
}
.empty h2 {
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: -.02em;
}
.empty p { margin: 0; font-size: 12.5px; line-height: 1.5; }
kbd {
  font: 11px var(--mono);
  border: 1px solid var(--stroke-strong);
  border-radius: 6px;
  padding: 1px 6px;
  color: var(--muted);
}

/* floating chrome — auto-hide to maximize canvas in tight IDE panes */
.float {
  position: absolute;
  z-index: 4;
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 4px;
  border-radius: 10px;
  border: 1px solid var(--stroke);
  background: var(--panel);
  backdrop-filter: blur(14px) saturate(1.15);
  box-shadow: var(--shadow-soft);
  transition: opacity .16s ease, transform .16s ease;
}
.float .btn {
  height: 26px;
  min-width: 26px;
  padding: 0 8px;
  border-radius: 7px;
  border: 0;
  background: transparent;
  font-size: 12px;
}
.float .btn:hover { background: var(--accent-soft); }
.float .sep {
  width: 1px; height: 14px; background: var(--stroke); margin: 0 2px;
}

/* Source chip chrome */
/* Source toggle chrome */
.top-float {
  top: 16px;
  left: 12px;
  right: auto;
  transform: none;
  opacity: 1;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
}
.top-float:hover,
.top-float:focus-within,
.canvas-shell.show-chrome .top-float,
.canvas-shell.chrome-tr .top-float,
.top-float:has(.menu.open) {
  opacity: 1;
}
.top-float .btn-source {
  box-sizing: border-box;
  width: 2.25rem;          /* --lg-button-size menu */
  height: 2.25rem;
  min-width: 2.25rem;
  margin: 0;
  padding: 0;
  border: none;
  border-radius: 0.5rem;   /* --border-radius-lg */
  background: #ececf4;     /* --color-surface-mid (light) */
  color: #1b1b1f;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: none;
  font: inherit;
}
.top-float .btn-source:hover {
  background: #f1f0ff;     /* --color-surface-high */
  border-color: transparent;
}
.top-float .btn-source:active {
  background: #e0dfff;
}
[data-theme="dark"] .top-float .btn-source {
  background: #363541;
  color: #e3e3e8;
}
[data-theme="dark"] .top-float .btn-source:hover {
  background: #403e4a;
}
.top-float .btn-source .icon-source {
  display: block;
}
html[data-drawer-mode="vela"] .top-float {
  /* Vertically align with the adjacent toolbar */
  top: 16px;
  left: 12px;
  right: auto;
  /* Do not inherit .float opacity/transform animation (toolbar flash on refresh) */
  transition: none !important;
}


/* Source lives in top-right with ⋯ — hide legacy top-left chip */
.collapse-hint { display: none !important; }

.zoom-float {
  left: 50%;
  right: auto;
  bottom: 8px;
  opacity: 0;
  pointer-events: none; /* never steal diagram clicks while hidden */
  transform: translate(-50%, 4px);
}
.canvas-shell.chrome-br .zoom-float,
.canvas-shell.show-chrome .zoom-float,
.zoom-float:focus-within {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%);
}
.copy-tip {
  position: fixed;
  left: 50%;
  top: auto;
  bottom: 16px;
  transform: translateX(-50%);
  z-index: 200;
  padding: 8px 14px;
  border-radius: 10px;
  border: 1px solid var(--stroke);
  background: var(--panel-solid);
  color: var(--text);
  font: 12.5px var(--sans);
  font-weight: 650;
  box-shadow: var(--shadow-soft);
  pointer-events: none;
}
.copy-tip[hidden] { display: none !important; }


.collapse-hint {
  position: absolute;
  top: 8px; left: 8px; z-index: 5;
  display: none;
  opacity: .5;
  padding: 2px;
}
.collapse-hint .btn {
  height: 22px;
  min-width: 0;
  padding: 0 8px;
  font-size: 11px;
  line-height: 22px;
  border-radius: 6px;
}
.collapse-hint:hover,
.canvas-shell.chrome-tl .collapse-hint,
.canvas-shell.show-chrome .collapse-hint {
  opacity: 1;
}
.app.sheet-collapsed {
  grid-template-columns: minmax(0, 1fr);
  grid-template-rows: minmax(0, 1fr);
}
.app.sheet-collapsed .sheet {
  display: none !important;
}
.app.sheet-collapsed .collapse-hint { display: flex; }
.app.sheet-collapsed .canvas-shell {
  grid-column: 1;
  grid-row: 1;
  width: 100%;
  min-width: 0;
}

@media (max-width: 820px) {
  .app {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: minmax(180px, 38%) minmax(0, 1fr);
  }
  .sheet { border-right: 0; border-bottom: 1px solid var(--stroke); }
  .resize { display: none; }
  .top-float { top: 6px; left: 6px; right: auto; }
  .app.sheet-collapsed {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: minmax(0, 1fr);
  }
}

.menu { position: relative; }
.top-float .menu-panel { right: 0; left: auto; }
.sheet-actions .sheet-menu { position: relative; margin-left: auto; }
.sheet-actions .btn-more {
  min-width: 32px;
  padding: 0 8px;
  font-size: 16px;
  line-height: 1;
  letter-spacing: 0;
}
.sheet-actions .menu-panel {
  right: 0;
  left: auto;
  bottom: calc(100% + 6px);
  top: auto;
}

.menu-panel {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  min-width: 168px;
  padding: 6px;
  border-radius: 12px;
  border: 1px solid var(--stroke);
  background: var(--panel);
  backdrop-filter: blur(18px) saturate(1.2);
  box-shadow: var(--shadow);
  z-index: 6;
}
.menu.open .menu-panel { display: block; }
.menu-item {
  width: 100%;
  height: 32px;
  padding: 0 10px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--text);
  text-align: left;
  cursor: pointer;
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px;
}
.menu-item:hover { background: var(--accent-soft); }
.menu-item span { color: var(--faint); font-size: 11px; }
.menu-item[hidden] { display: none !important; }


.board-editor-wrap {
  position: relative;
  flex: 1;
  min-height: 0;
  margin: 0 12px 12px;
  border-radius: 12px;
  border: 1px solid var(--stroke);
  background: color-mix(in srgb, var(--canvas) 70%, var(--panel-solid));
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
#velaSource {
  flex: 1;
  width: 100%;
  min-height: 0;
  border: 0;
  resize: none;
  outline: none;
  padding: 14px;
  background: transparent;
  color: var(--text);
  font: 12.5px/1.55 var(--mono);
  tab-size: 2;
}
#velaError {
  display: none;
  margin: 0;
  padding: 10px 12px;
  border-top: 1px solid color-mix(in srgb, var(--danger) 35%, var(--stroke));
  background: color-mix(in srgb, var(--danger) 12%, transparent);
  color: var(--danger);
  font: 11.5px/1.45 var(--mono);
  white-space: pre-wrap;
}
#velaError.show { display: block; }
.board-inspector { display: flex; align-items: center; gap: 7px; margin: 0 12px 10px; padding: 8px 9px; border: 1px solid var(--stroke); border-radius: 10px; background: color-mix(in srgb, var(--canvas) 70%, var(--panel-solid)); }
.board-inspector[hidden] { display: none; }
.board-inspector-label { flex: 0 0 auto; color: var(--muted); font-size: 11px; }
#boardTitleEditor { min-width: 0; flex: 1; border: 1px solid var(--stroke); border-radius: 6px; padding: 5px 7px; background: var(--panel-solid); color: var(--text); font: 12px var(--sans); outline: none; }
#boardTitleEditor:focus { border-color: var(--accent); box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 22%, transparent); }

/* --- 03-diagram.css --- */
/* Shared canvas rings. HTML uses outline; SVG uses a halo with the same tokens. */
.canvas-selected:not(.board-item-diamond):not(.board-diamond) {
  outline: var(--canvas-ring-width, 2px) solid var(--canvas-ring, #db4c84) !important;
  outline-offset: var(--canvas-ring-offset, 2px);
}
.canvas-hover:not(.canvas-selected):not(.board-selection):not(.board-selection-tree),
.board-render .box.board-type-layout:hover:not(:has(> .box-content:hover)):not(.canvas-selected):not(.board-selection):not(.board-selection-tree),
.board-render .board-zone.board-type-layout:hover:not(:has(> .box-content:hover)):not(.canvas-selected):not(.board-selection):not(.board-selection-tree),
.board-render .board-zone:not(.board-type-layout):hover:not(.canvas-selected):not(.board-selection):not(.board-selection-tree):not(:has(.board-zone:hover)):not(:has(.board-item:hover)),
.board-render .board-item:hover:not(.canvas-selected):not(.board-selection):not(.board-selection-tree) {
  outline: 1px dashed var(--canvas-ring-soft, rgba(219, 76, 132, .45));
  outline-offset: 3px;
}
.board-selection-tree { outline: var(--canvas-ring-width, 2px) dashed var(--canvas-ring, #db4c84) !important; outline-offset: var(--canvas-ring-offset, 2px); }
.board-reorder-dragging { opacity: 0.45; cursor: grabbing !important; }
.board-reorder-caret {
  position: absolute;
  z-index: 6;
  pointer-events: none;
  background: var(--accent, #0071e3);
  border-radius: 1px;
}

/* Container = grouping shell: transparent fill + dashed border (theme color). */
.board-render .box.board-type-container,
.board-render .board-zone.board-type-container,
.board-render .board-container {
  background: transparent !important;
  background-color: transparent !important;
  border: 1.5px dashed var(--board-container-zone-border, var(--board-zone-border, #888888)) !important;
  border-radius: var(--bf-radius-box, 12px);
  box-shadow: none !important;
  outline: none;
  /* Inset lives on .box-content via applyFlex; do not double-pad the shell. */
  padding: 0 !important;
  box-sizing: border-box !important;
  pointer-events: auto !important;
}
/* Layout = pure arrangement: no fill, no border. Hit ring is .board-layout-halo. */
.board-render .box.board-type-layout,
.board-render .board-zone.board-type-layout,
.board-render .board-layout {
  background: transparent !important;
  background-color: transparent !important;
  border: 0 !important;
  border-radius: 0;
  box-shadow: none !important;
  outline: none;
  padding: 0 !important;
  box-sizing: border-box !important;
  pointer-events: auto !important;
  overflow: visible !important;
}
.board-render .board-layout-halo {
  position: absolute;
  inset: -8px;
  z-index: 0;
  pointer-events: auto;
  background: rgba(0, 0, 0, 0.001);
}
.board-render .board-type-layout > .box-content {
  position: relative;
  z-index: 1;
}
.board-render .box.board-type-container > .box-content,
.board-render .board-zone.board-type-container > .box-content,
.board-render .board-container > .box-content {
  pointer-events: auto;
}
.board-render .box.board-type-container.board-selection,
.board-render .box.board-type-container.canvas-selected,
.board-render .board-zone.board-type-container.board-selection,
.board-render .board-zone.board-type-container.canvas-selected {
  /* Ring comes from .canvas-selected; keep the dashed group border visible. */
  background: transparent !important;
}
.board-render .box.board-type-layout.board-selection,
.board-render .box.board-type-layout.canvas-selected,
.board-render .board-zone.board-type-layout.board-selection,
.board-render .board-zone.board-type-layout.canvas-selected {
  border-color: transparent !important;
  background: transparent !important;
}
.board-render .box.board-type-container > .box-title,
.board-render .board-type-container > .board-zone-title,
.board-render .board-type-container > .box-title.board-zone-title {
  opacity: 1; /* hierarchy comes from colour (pack titleColor) and weight 600, not opacity */
  font-weight: 600;
  background: transparent !important;
  /* Match container content inset (28/30 = rect zone 12/14 + content 16). */
  padding: 16px 30px 0 !important;
  border-radius: 0 !important;
  min-height: 0;
  margin: 0 !important;
}
/* No colored header strip when title is cleared (empty label, optional glyph-only still ok). */
.board-render .board-type-container > .box-title:not(:has(.board-zone-glyph)):has(.board-title-name:empty),
.board-render .board-type-container > .board-zone-title:not(:has(.board-zone-glyph)):has(.board-title-name:empty) {
  display: none !important;
  margin: 0 !important;
}
.board-render .board-type-layout > .box-title,
.board-render .board-type-layout > .board-zone-title {
  display: none !important;
}
/* Keep container/layout transparent even when they hold items (do not inherit panel fill). */
.board-render .board-type-container:has(> .box-content > .board-item),
.board-render .board-zone.board-type-container:has(> .box-content > .board-item),
.board-render .box.board-type-container:has(> .box-content > .board-item),
.board-render .board-type-layout:has(> .box-content > .board-item),
.board-render .board-zone.board-type-layout:has(> .box-content > .board-item),
.board-render .box.board-type-layout:has(> .box-content > .board-item) {
  background: transparent !important;
  background-color: transparent !important;
}

.board-render .box.board-nested { position: relative !important; left: auto !important; top: auto !important; }
.board-edit-tools { display: none; align-items: center; gap: 8px; transition: none !important; }
html[data-drawer-mode="vela"] .board-edit-tools { display: inline-flex; }
html[data-diagram-kind="flowchart"] .board-edit-tools,
html[data-diagram-kind="mermaid-unsupported"] .board-edit-tools,
html[data-diagram-kind="unknown"] .board-edit-tools { display: none !important; }
.flowchart-edit-tools { display: none; align-items: center; gap: 8px; }
html[data-diagram-kind="flowchart"] .flowchart-edit-tools { display: inline-flex; }
html[data-diagram-kind="flowchart"] #propsFields { display: none !important; }
html[data-diagram-kind="flowchart"] #preview,
html[data-diagram-kind="mermaid-unsupported"] #preview {
  width: max-content;
  height: max-content;
}
/* Pele shapes read --_s / --_fg. Mirror the aliases so a wiped SVG style
   still inherits cream paper instead of the SVG default black fill. */
html[data-diagram-kind="flowchart"] {
  --_bg: var(--pele-bg, #fff);
  --_fg: var(--pele-fg, #1f1f1f);
  --_m: var(--pele-muted, #6e6e6e);
  --_l: var(--pele-line, #1f1f1f);
  --_s: var(--pele-surface, #fffdf9);
  --_a: var(--pele-surface-alt, #f3ece6);
  --_b: var(--pele-border, rgba(var(--bf-rgb, 74, 53, 36), .14));
  --_c: var(--pele-accent, var(--pele-line, #4a3524));
  --_r: var(--pele-radius, var(--bf-radius-box, 12px));
}
html[data-diagram-kind="flowchart"] #preview g.pele-node,
html[data-diagram-kind="flowchart"] #preview g.pele-cluster,
html[data-diagram-kind="flowchart"] #preview g.pele-cluster-title,
html[data-diagram-kind="flowchart"] #preview g.pele-edge,
html[data-diagram-kind="flowchart"] #preview g.pele-edge-label,
html[data-diagram-kind="flowchart"] #preview path.mermaid-edge-hit {
  cursor: pointer;
}
html[data-diagram-kind="flowchart"] #preview g.pele-cluster > rect:not(.canvas-hover-halo):not(.flowchart-selection-halo) {
  pointer-events: all;
  rx: 4px !important;
  ry: 4px !important;
  fill: var(--_s) !important;
  stroke: var(--_b) !important;
}
html[data-diagram-kind="flowchart"] #preview g.pele-node > rect:not(.canvas-hover-halo):not(.flowchart-selection-halo),
html[data-diagram-kind="flowchart"] #preview g.pele-node > polygon:not(.canvas-hover-halo):not(.flowchart-selection-halo),
html[data-diagram-kind="flowchart"] #preview g.pele-node > path:not(.pele-marker):not(.flowchart-selection-halo):not(.canvas-hover-halo) {
  fill: var(--_s) !important;
  stroke: var(--_b) !important;
}
html[data-diagram-kind="flowchart"] #preview g.pele-node text,
html[data-diagram-kind="flowchart"] #preview g.pele-node tspan,
html[data-diagram-kind="flowchart"] #preview g.pele-cluster-title text,
html[data-diagram-kind="flowchart"] #preview g.pele-cluster-title tspan {
  fill: var(--_fg) !important;
}
html[data-diagram-kind="flowchart"] #preview g.pele-edge > path:not(.pele-marker):not(.mermaid-edge-hit):not(.flowchart-selection-halo):not(.canvas-hover-halo) {
  stroke: var(--_l);
}
html[data-diagram-kind="flowchart"] #preview g.pele-edge path:not(.pele-marker) { pointer-events: stroke; }
html[data-diagram-kind="flowchart"] #preview path.mermaid-edge-hit {
  fill: none;
  stroke: transparent;
  stroke-width: 20px;
  pointer-events: stroke;
}
html[data-diagram-kind="flowchart"] #preview g.pele-edge-label rect,
html[data-diagram-kind="flowchart"] #preview g.pele-edge-label text,
html[data-diagram-kind="flowchart"] #preview g.pele-edge-label tspan,
html[data-diagram-kind="flowchart"] #preview g.pele-edge-label rect.mermaid-edge-label-hit {
  pointer-events: all;
}
html[data-diagram-kind="flowchart"] #preview g.pele-edge-label rect:not(.mermaid-edge-label-hit) {
  fill: var(--pele-surface, #fffdf9);
  stroke: none;
  stroke-width: 0;
}
html[data-diagram-kind="flowchart"] #preview svg,
html[data-diagram-kind="flowchart"] #preview svg text,
html[data-diagram-kind="flowchart"] #preview svg tspan {
  font-family: var(--pele-font, "SF Pro Text", "SF Pro Display", Inter, system-ui, sans-serif);
}
html[data-diagram-kind="flowchart"] #preview svg {
  font-size: var(--fc-font-default, 16px);
}
html[data-diagram-kind="flowchart"] #preview g.pele-node.pele-shape-rect text,
html[data-diagram-kind="flowchart"] #preview g.pele-node.pele-shape-rect tspan {
  font-size: var(--fc-font-default, 16px);
}
html[data-diagram-kind="flowchart"] #preview g.pele-node.pele-shape-stadium text,
html[data-diagram-kind="flowchart"] #preview g.pele-node.pele-shape-stadium tspan {
  font-size: var(--fc-font-start-end, 15px);
}
html[data-diagram-kind="flowchart"] #preview g.pele-node.pele-shape-diam text,
html[data-diagram-kind="flowchart"] #preview g.pele-node.pele-shape-diam tspan {
  font-size: var(--fc-font-judgment, 14px);
}
html[data-diagram-kind="flowchart"] #preview g.pele-edge-label text,
html[data-diagram-kind="flowchart"] #preview g.pele-edge-label tspan,
html[data-diagram-kind="flowchart"] #preview g.pele-edge text,
html[data-diagram-kind="flowchart"] #preview g.pele-edge tspan {
  font-size: var(--fc-font-link, 13px);
}
html[data-diagram-kind="flowchart"] g.flowchart-selection,
html[data-diagram-kind="flowchart"] g.canvas-selected:not(.board-item-diamond):not(.board-diamond),
html[data-diagram-kind="flowchart"] g.canvas-hover {
  outline: none !important;
  overflow: visible;
}
html[data-diagram-kind="flowchart"] .flowchart-selection-halo {
  fill: none !important;
  stroke: var(--canvas-ring, #db4c84) !important;
  stroke-width: var(--canvas-ring-width, 2px) !important;
  stroke-dasharray: none;
  pointer-events: none !important;
}
html[data-diagram-kind="flowchart"] .canvas-hover-halo {
  fill: none !important;
  stroke: var(--canvas-ring-soft, rgba(219, 76, 132, .4)) !important;
  stroke-width: 1px !important;
  stroke-dasharray: 4 3;
  pointer-events: none !important;
}
html[data-diagram-kind="flowchart"] g.pele-edge.flowchart-selection > path:not(.pele-marker):not(.mermaid-edge-hit):not(.canvas-hover-halo),
html[data-diagram-kind="flowchart"] g.pele-edge.canvas-selected > path:not(.pele-marker):not(.mermaid-edge-hit):not(.canvas-hover-halo) {
  stroke: var(--canvas-ring, #db4c84) !important;
  stroke-width: 2.6px !important;
}
html[data-diagram-kind="flowchart"] g.pele-edge.flowchart-selection > path.pele-marker,
html[data-diagram-kind="flowchart"] g.pele-edge.canvas-selected > path.pele-marker {
  stroke: var(--canvas-ring, #db4c84) !important;
  fill: var(--canvas-ring, #db4c84) !important;
}
html.flowchart-link-mode,
html.flowchart-link-mode #preview {
  cursor: crosshair;
}
html[data-diagram-kind="flowchart"] path.mermaid-edge-hit,
html[data-diagram-kind="flowchart"] path.mermaid-edge-hit.flowchart-selection {
  fill: none !important;
  stroke: transparent !important;
}
.board-brand {
  display: none;
  align-items: center;
  height: 32px;
  padding-right: 10px;
  margin-right: 2px;
  pointer-events: none !important;
  user-select: none;
}
html[data-drawer-mode="vela"] .board-brand { display: inline-flex; }
.board-brand-mark {
  width: 28px;
  height: 28px;
  display: block;
  border-radius: 8px;
  box-shadow: var(--shadow-soft);
}
.board-edit-tool { transition: none !important; }
.export-type-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--stroke);
  border-radius: 10px;
  background: color-mix(in srgb, var(--canvas) 40%, var(--panel-solid));
}
.export-type-label {
  font: 11px var(--sans);
  color: var(--muted, #64748b);
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.export-type-value,
#typePill {
  font: 13px var(--sans);
  color: var(--text);
  font-weight: 650;
}
.export-type-value b,
#typePill b { font-weight: 700; }
.export-type-hint {
  margin: -2px 0 0;
  font: 11px var(--sans);
  color: var(--muted, #64748b);
  line-height: 1.4;
}
.export-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 4px;
}
.export-actions .btn { justify-content: center; width: 100%; height: 34px; border-radius: 8px; }
/* Style sidebar — clear section rhythm (Theme / Layout) */
#stylePanel.style-panel,
#stylePanel {
  gap: 0;
}
#stylePanel > .props-head {
  margin-bottom: 4px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--stroke);
}
.style-block {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 14px 0 4px;
}
/* display:flex would otherwise override the hidden attribute */
.style-block[hidden] {
  display: none !important;
}
.style-block + .style-block {
  margin-top: 8px;
  padding-top: 16px;
  border-top: 1px solid var(--stroke);
}
.style-section-label {
  margin: 0;
  font: 11px var(--sans);
  color: var(--muted, #64748b);
  font-weight: 650;
  letter-spacing: .04em;
}
#diagramThemeSelect { width: 100%; }
#stylePanel .props-seg {
  gap: 8px;
}
#stylePanel .props-seg-btn {
  height: 36px;
  border-radius: 10px;
}
#boardLayoutSection .props-route-seg {
  display: flex;
  grid-template-columns: unset;
  align-items: stretch;
  gap: 0;
  padding: 3px;
  border: 0;
  border-radius: 9px;
  background: color-mix(in srgb, var(--text) 6%, var(--panel-solid));
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--stroke-strong) 80%, transparent);
}
#boardLayoutSection .props-route-seg .props-seg-btn {
  flex: 1;
  min-width: 0;
  height: 26px;
  padding: 0 4px;
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: var(--muted);
  font: 600 11px/1 var(--font);
  letter-spacing: -0.01em;
  box-shadow: none;
  transition: background .14s ease, color .14s ease, box-shadow .14s ease;
}
#boardLayoutSection .props-route-seg .props-seg-btn + .props-seg-btn {
  box-shadow: inset 1px 0 0 color-mix(in srgb, var(--stroke-strong) 85%, transparent);
}
#boardLayoutSection .props-route-seg .props-seg-btn:hover {
  background: transparent;
  color: var(--text);
}
#boardLayoutSection .props-route-seg .props-seg-btn[aria-pressed="true"] {
  background: var(--panel-solid);
  color: var(--text);
  font-weight: 650;
  box-shadow: var(--shadow-soft);
}
#boardLayoutSection .props-route-seg .props-seg-btn[aria-pressed="true"] + .props-seg-btn {
  box-shadow: none;
}
#boardLayoutSection .props-route-seg .props-seg-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  z-index: 1;
}
#boardLayoutSection .style-hint {
  font: 11px/1.45 var(--font);
  color: var(--muted);
}
.style-cap-row {
  display: flex;
  align-items: center;
  gap: 10px;
}
.style-cap-row input[type="range"] {
  flex: 1 1 auto;
  min-width: 0;
  height: 14px;
  margin: 0;
  padding: 0;
  background: transparent;
  -webkit-appearance: none;
  appearance: none;
  accent-color: var(--accent, #2563eb);
  cursor: pointer;
}
.style-cap-row input[type="range"]:focus { outline: none; }
.style-cap-row input[type="range"]:focus-visible {
  outline: 2px solid var(--accent, #2563eb);
  outline-offset: 2px;
}
.style-cap-row input[type="range"]::-webkit-slider-runnable-track {
  height: 4px;
  border-radius: 999px;
  background: linear-gradient(
    to right,
    var(--accent, #2563eb) 0,
    var(--accent, #2563eb) var(--cap-fill, 50%),
    color-mix(in srgb, var(--text) 14%, transparent) var(--cap-fill, 50%),
    color-mix(in srgb, var(--text) 14%, transparent) 100%
  );
}
.style-cap-row input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  margin-top: -5px;
  border: 0;
  border-radius: 50%;
  background: var(--accent, #2563eb);
  box-shadow: none;
  transform: none;
  transition: none;
}
.style-cap-row input[type="range"]:hover::-webkit-slider-thumb,
.style-cap-row input[type="range"]:active::-webkit-slider-thumb,
.style-cap-row input[type="range"]:focus::-webkit-slider-thumb {
  width: 14px;
  height: 14px;
  transform: none;
  filter: none;
}
.style-cap-row input[type="range"]::-moz-range-track {
  height: 4px;
  border: 0;
  border-radius: 999px;
  background: color-mix(in srgb, var(--text) 14%, transparent);
}
.style-cap-row input[type="range"]::-moz-range-progress {
  height: 4px;
  border: 0;
  border-radius: 999px;
  background: var(--accent, #2563eb);
}
.style-cap-row input[type="range"]::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border: 0;
  border-radius: 50%;
  background: var(--accent, #2563eb);
  box-shadow: none;
  transform: none;
  transition: none;
}
.style-hint {
  margin: 0;
  font: 11px/1.4 var(--sans);
  color: var(--muted, #64748b);
}

.board-edit-tool-icon { padding: 0 !important; width: 32px !important; justify-content: center; }
.board-edit-tool-icon .board-edit-glyph { margin: 0; }
.board-edit-tool { height: 32px !important; min-width: 32px !important; padding: 0 10px !important; gap: 5px; border: 1px solid var(--stroke) !important; border-radius: 10px !important; background: var(--panel-solid) !important; color: var(--text); font-size: 12px; }
.board-edit-tool:hover { background: var(--accent-soft) !important; }
.board-edit-tool:disabled { opacity: .42; cursor: not-allowed; }
.board-edit-tool .board-edit-glyph { font-size: 15px; line-height: 1; }

.board-placeholder {
  flex: 1;
  margin: 0 18px 18px;
  border-radius: 16px;
  border: 1px dashed var(--stroke-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--muted);
  padding: 24px;
  background: color-mix(in srgb, var(--canvas) 40%, transparent);
}
.board-placeholder h2 {
  margin: 0 0 8px;
  font-size: 16px;
  color: var(--text);
  font-weight: 600;
  letter-spacing: -.02em;
}
.board-placeholder p { margin: 0; font-size: 12.5px; line-height: 1.5; max-width: 280px; }

/* Board design system — restrained editorial architecture diagram. */
/* canvas grid is set below */
/* Diagram themes (Board) — CSS vars from vendor/board/themes; per box type via --board-<type>-* */
.board-render {
  color: var(--board-color, #333);
  font-family: var(--board-font, "SF Pro Text", "SF Pro Display", Inter, system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", sans-serif);
  letter-spacing: 0;
}
.board-render .board-zone {
  background: var(--board-zone-bg, #ececff);
  border: 1px solid var(--board-zone-border, #9370db);
  border-radius: var(--board-zone-radius, 4px);
  box-shadow: none;
  padding: var(--board-zone-pad, 12px 14px);
}
.board-render .board-zone-title {
  color: var(--board-title-color, #333);
  font-size: var(--board-title-size, 13px);
  font-weight: var(--board-title-weight, 700);
  margin: var(--board-title-margin, 0 0 8px);
}
/* No title/icon: do not reserve title-row height (empty chrome must collapse). */
.board-render .board-zone.board-no-title > .box-title,
.board-render .board-zone.board-no-title > .board-zone-title {
  display: none !important;
  margin: 0 !important;
  min-height: 0 !important;
  padding: 0 !important;
}
.board-render .board-title-only .board-zone-title {
  margin: 0;
}
.board-render .board-card {
  background: var(--board-card-bg, #fff);
  border: 1px solid var(--board-card-border, #9370db);
  border-left: var(--board-card-left, 1px solid #9370db);
  border-radius: var(--board-card-radius, 4px);
  box-shadow: none;
  font-size: var(--board-card-size, 12px);
  color: var(--board-card-color, #333);
  padding: var(--board-card-pad, 6px 10px);
}
.board-render .board-zone:has(> .box-content > .board-item) {
  background: var(--board-panel-bg, var(--board-zone-bg, #ececff));
}
.board-render .board-zone:has(> .box-content > .board-item) > .box-title,
.board-render .board-zone:has(> .box-content > .board-item) > .board-zone-title {
  background: var(--board-panel-header-bg, var(--board-zone-bg, #ececff));
  border-radius: calc(var(--board-zone-radius, 4px) - 1px);
  padding: 6px 8px;
}
.board-render .board-diamond .board-zone-title { color: var(--board-title-color, #333); }

/* Per-type overrides (theme.types.<type>) */
.board-render .board-type-card {
  background: var(--board-card-zone-bg, var(--board-zone-bg));
  border-color: var(--board-card-zone-border, var(--board-zone-border));
  border-radius: var(--board-card-zone-radius, var(--board-zone-radius));
  padding: var(--board-card-zone-pad, var(--board-zone-pad));
}
.board-render .board-type-card > .box-title,
.board-render .board-type-card > .board-zone-title {
  color: var(--board-card-title-color, var(--board-title-color));
  font-size: var(--board-card-title-size, var(--board-title-size));
  font-weight: var(--board-card-title-weight, var(--board-title-weight));
  margin: var(--board-card-title-margin, var(--board-title-margin));
}
.board-render .board-title-only.board-type-card > .box-title,
.board-render .board-title-only.board-type-card > .board-zone-title {
  margin: 0;
}
.board-render .board-type-card .board-card {
  background: var(--board-card-card-bg, var(--board-card-bg));
  border-color: var(--board-card-card-border, var(--board-card-border));
  border-left: var(--board-card-card-left, var(--board-card-left));
  border-radius: var(--board-card-card-radius, var(--board-card-radius));
  padding: var(--board-card-card-pad, var(--board-card-pad));
  font-size: var(--board-card-card-size, var(--board-card-size));
  color: var(--board-card-card-color, var(--board-card-color));
}
.board-render .board-type-card:has(> .box-content > .board-item) {
  background: var(--board-card-panel-bg, var(--board-panel-bg, var(--board-card-zone-bg)));
}
.board-render .board-type-card:has(> .box-content > .board-item) > .box-title,
.board-render .board-type-card:has(> .box-content > .board-item) > .board-zone-title {
  background: var(--board-card-panel-header-bg, var(--board-panel-header-bg));
}

.board-render .board-type-diamond {
  background: var(--board-diamond-zone-bg, transparent) !important;
  border-color: var(--board-diamond-zone-border, transparent) !important;
  padding: var(--board-diamond-zone-pad, 0) !important;
}

.board-render .board-type-container,
.board-render .box.board-type-container {
  background: var(--board-container-zone-bg, transparent) !important;
  /* Shell padding stays 0 — inset is applyFlex on .box-content (28/30). */
  padding: 0 !important;
}
/* Nested boxes inside a container keep their own type fills (do not inherit hollow). */
.board-render .board-type-container > .box-content > .box.board-type-card,
.board-render .board-type-container > .box-content > .board-zone.board-type-card {
  background: var(--board-card-zone-bg, var(--board-zone-bg)) !important;
  border: 0 !important;
  border-radius: var(--board-card-zone-radius, var(--board-zone-radius));
  padding: var(--board-card-zone-pad, var(--board-zone-pad)) !important;
  box-shadow: var(--bf-shadow-box);
}
.board-render .board-type-container > .box-content > .box.board-type-card .board-card,
.board-render .board-type-container > .box-content > .board-zone.board-type-card .board-card {
  background: var(--board-card-card-bg, var(--board-card-bg));
  border-color: var(--board-card-card-border, var(--board-card-border));
  border-left: var(--board-card-card-left, var(--board-card-left));
  color: var(--board-card-card-color, var(--board-card-color));
}

.board-render .board-type-container > .box-content > .board-item.board-card {
  background: var(--board-container-card-bg, var(--board-card-bg));
  border-color: var(--board-container-card-border, var(--board-card-border));
  border-left: var(--board-container-card-left, var(--board-card-left));
  border-radius: var(--board-container-card-radius, var(--board-card-radius));
  padding: var(--board-container-card-pad, var(--board-card-pad));
  font-size: var(--board-container-card-size, var(--board-card-size));
  color: var(--board-container-card-color, var(--board-card-color));
}

/* Board keeps top-float visible for Source / Diagram theme / Export / UI theme */



/* SOURCE_LEFT_12: dock source 12px from sheet/viewport; theme+more on right */
html[data-drawer-mode="vela"] .top-float {
  position: absolute !important;
  inset: 12px 12px auto 12px !important;
  left: 12px !important;
  right: 12px !important;
  top: 12px !important;
  width: auto !important;
  max-width: none !important;
  display: flex !important;
  flex-direction: row !important;
  align-items: center !important;
  justify-content: space-between !important;
  gap: 8px !important;
  transform: none !important;
  opacity: 1 !important;
  transition: none !important;
  padding: 0 !important;
  margin: 0 !important;
  border: 0 !important;
  background: transparent !important;
  box-shadow: none !important;
  pointer-events: none !important;
  z-index: 20 !important;
}
.top-float-left,
.top-float-right {
  display: flex; align-items: center; gap: 8px; pointer-events: auto;
}
.top-float-left { justify-content: flex-start; }
.top-float-right { justify-content: flex-end; margin-left: auto; }
.top-float .btn-source,
.top-float .btn-theme,
.top-float .btn-more {
  box-sizing: border-box;
  width: 32px; height: 32px; min-width: 32px; margin: 0; padding: 0;
  border-radius: 10px; border: 1px solid var(--stroke);
  background: var(--panel-solid); color: var(--text);
  display: inline-flex; align-items: center; justify-content: center;
  cursor: pointer;
}

/* UNIFIED_TOOLBAR_V2 */
/* THEME_ICON_GRID_V1 */

/* Theme icon button */
.top-float .btn-theme {
  box-sizing: border-box;
  width: 32px; height: 32px; min-width: 32px; margin: 0; padding: 0;
  border-radius: 10px; border: 1px solid var(--stroke);
  background: var(--panel-solid); color: var(--text);
  display: inline-flex; align-items: center; justify-content: center;
  cursor: pointer;
}
.top-float .btn-theme:hover { background: var(--accent-soft); }
.top-float-theme .menu-panel { right: 0; left: auto; }
.top-float-theme .theme-item.is-active { font-weight: 650; color: var(--accent, #2563eb); }
/* Shared grid canvas — no diagram chrome frame / white plate */
html[data-drawer-mode="vela"] .canvas-shell {
  background-color: #f8fafc !important;
  background-image: linear-gradient(rgba(100,116,139,.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(100,116,139,.12) 1px, transparent 1px) !important;
  background-size: 20px 20px !important;
}
.board-render,
.board-render[data-board-theme="default"],
.board-render:not([data-board-theme]),
.board-render[data-board-theme="classic"],
.board-render[data-board-theme="pastel"],
.board-render[data-board-theme="minimal"],
.board-render[data-board-theme="slate"] {
  border: 0 !important;
  box-shadow: none !important;
  background: transparent !important;
  border-radius: 0 !important;
}
html[data-drawer-mode="vela"] #preview svg {
  background: transparent !important;
  border: 0 !important;
  box-shadow: none !important;
  filter: none !important;
  padding: 0 !important;
  border-radius: 0 !important;
}
/* Top toolbar layout — Source hugs Lulu Drawer sheet; ⋯ far right */
html[data-drawer-mode="vela"] .top-float {
  position: absolute;
  top: 12px;
  left: 12px;
  right: 12px;
  width: auto;
  max-width: none;
  display: flex !important;
  flex-direction: row;
  align-items: center;
  gap: 8px;
  transform: none !important;
  opacity: 1 !important;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
  pointer-events: none;
  z-index: 5;
}
html[data-drawer-mode="vela"] .top-float > * { pointer-events: auto; }
.shell-account-bar {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  min-width: 0;
  position: relative;
}
html[data-drawer-mode="vela"] .top-float .shell-account-btn {
  height: 32px;
  min-width: 32px;
  padding: 0 12px;
  border: 1px solid var(--stroke);
  border-radius: 10px;
  background: var(--panel-solid, #fff);
  box-shadow: var(--shadow-soft);
  font-size: 12px;
  font-weight: 550;
  color: var(--text, #222);
}
html[data-drawer-mode="vela"] .top-float .shell-account-btn:hover {
  background: var(--panel-solid, #fff);
  border-color: color-mix(in srgb, var(--accent) 35%, var(--stroke));
}
html[data-drawer-mode="vela"] .top-float .shell-account-btn:disabled {
  opacity: 0.72;
  cursor: default;
  box-shadow: none;
}
html[data-drawer-mode="vela"] .top-float .shell-account-btn:disabled:hover {
  border-color: var(--stroke);
}
.shell-cloud-status {
  appearance: none;
  -webkit-appearance: none;
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  width: 32px;
  height: 32px;
  min-width: 32px;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--muted, #64748b);
  box-shadow: none;
  font: inherit;
  line-height: 1;
  user-select: none;
}
.shell-cloud-status[hidden] { display: none !important; }
.shell-cloud-status-icon { width: 18px; height: 18px; display: block; }
.shell-cloud-status-label {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}
.shell-cloud-status.is-current {
  color: var(--ok);
  border: 0;
  cursor: pointer;
}
.shell-cloud-status.is-pending {
  color: var(--warn);
  border: 0;
  cursor: pointer;
}
.shell-cloud-status:hover {
  background: color-mix(in srgb, var(--text) 6%, transparent);
  box-shadow: none;
}
.shell-cloud-status.is-pending.is-uncreated {
  color: var(--muted, #64748b);
}
.shell-cloud-status.is-pending.is-signed-out {
  color: var(--muted, #64748b);
  opacity: .5;
  cursor: default;
}
.shell-cloud-status.is-pending.is-signed-out:active { transform: none; }
.shell-cloud-status.is-pending:active,
.shell-cloud-status.is-current:active {
  transform: scale(.98);
}
.shell-session {
  position: relative;
  min-width: 0;
}
.shell-session[hidden] { display: none !important; }
.shell-account-chip {
  appearance: none;
  height: 32px;
  max-width: 16rem;
  padding: 0 10px 0 5px;
  border: 1px solid var(--stroke);
  border-radius: 10px;
  background: var(--panel-solid, #fff);
  box-shadow: var(--shadow-soft);
  color: var(--text, #222);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  font: 12px/1.2 inherit;
}
.shell-account-chip:hover,
.shell-account-chip[aria-expanded="true"] {
  border-color: color-mix(in srgb, var(--accent) 35%, var(--stroke));
}
.shell-account-chip:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--accent) 55%, transparent);
  outline-offset: 2px;
}
.shell-account-avatar {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  overflow: hidden;
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--accent, #2563eb) 14%, var(--panel-solid, #fff));
  color: var(--accent, #2563eb);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.shell-account-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.shell-account-avatar img[hidden],
.shell-account-initials[hidden] { display: none; }
.shell-account-name {
  max-width: 9.5rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
  font-weight: 560;
}
.shell-account-caret {
  width: 0;
  height: 0;
  border-left: 3.5px solid transparent;
  border-right: 3.5px solid transparent;
  border-top: 4px solid var(--muted, #64748b);
  flex: 0 0 auto;
  margin-left: 1px;
}
.shell-auth-menu {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  display: flex;
  flex-direction: column;
  min-width: 12rem;
  padding: 4px;
  border: 1px solid var(--stroke, #e5e7eb);
  border-radius: 10px;
  background: var(--panel-solid, #fff);
  box-shadow: 0 10px 28px rgba(15, 23, 42, .16);
  z-index: 30;
}
.shell-auth-menu[hidden] { display: none; }
.shell-session-meta {
  padding: 7px 9px 8px;
  margin: 0 0 2px;
  border-bottom: 1px solid var(--stroke, #e5e7eb);
  color: var(--muted, #64748b);
  font-size: 11px;
  line-height: 1.35;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.shell-session-meta:empty { display: none; }
.shell-auth-provider {
  appearance: none;
  border: 0;
  border-radius: 7px;
  padding: 8px 9px;
  background: transparent;
  color: var(--text, #222);
  cursor: pointer;
  font: 12px/1.3 inherit;
  text-align: left;
}
.shell-auth-provider:hover,
.shell-auth-provider:focus-visible {
  background: color-mix(in srgb, var(--accent, #2563eb) 10%, transparent);
  outline: none;
}
.top-float-spacer { flex: 1 1 auto; min-width: 12px; pointer-events: none !important; }
.diagram-theme-wrap {
  display: inline-flex; align-items: center; gap: 6px;
  height: 32px; padding: 0 8px 0 10px;
  border: 1px solid var(--stroke); border-radius: 10px;
  background: var(--panel-solid); color: var(--text);
}
.diagram-theme-label { font-size: 11px; color: var(--muted); white-space: nowrap; }
.top-float select.diagram-theme {
  height: 28px; border: 0; background: transparent; color: var(--text);
  padding: 0 4px; font: 12px/1 inherit; outline: none; cursor: pointer;
}
.top-float .top-float-more { position: relative; }
.top-float .btn-more,
.top-float .btn-source {
  box-sizing: border-box;
  width: 32px; height: 32px; min-width: 32px; margin: 0; padding: 0;
  border-radius: 10px; border: 1px solid var(--stroke);
  background: var(--panel-solid); color: var(--text);
  display: inline-flex; align-items: center; justify-content: center;
}
/* Diagram theme */

html[data-drawer-mode="vela"] #preview svg { filter: none; background: transparent; border: 0; border-radius: 0; padding: 0; }
html[data-drawer-mode="vela"] #preview .board-diamond-shape,
html[data-drawer-mode="vela"] #preview .board-item-diamond-shape,
html[data-drawer-mode="vela"] #preview .board-edges { filter: none; background: transparent; border: 0; border-radius: 0; padding: 0; }
/* World layer: zero-size anchor; edges paint in world px and are never clipped */
.board-render .board-canvas { width: 0 !important; height: 0 !important; min-height: 0 !important; }
.board-render svg.board-edges { width: 1px !important; height: 1px !important; overflow: visible !important; }
#preview.board-preview { width: max-content; min-width: 0; height: 100%; padding: 0; }
/* Board: hit area fills the stage (not just content bbox), still grows with large boards */
html[data-drawer-mode="vela"] #preview,
html[data-drawer-mode="vela"] #preview.board-preview {
  min-width: 100%;
  min-height: 100%;
  width: max-content;
  height: max-content;
  box-sizing: border-box;
}
.board-render {
  position: relative; width: max-content; min-width: 0; box-sizing: border-box;
  padding: 34px 40px 62px; color: var(--board-color, #1e293b); background: #fbfcfe;
  border: 0; border-radius: 0; box-shadow: none; background: transparent;
  font-family: var(--board-font, "SF Pro Text", "SF Pro Display", Inter, system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", sans-serif);
  letter-spacing: -0.012em;
}
.board-html-header { display: block; margin: 0 0 28px; padding: 0 0 18px; border-bottom: 1px solid #dbe4ef; }
.board-html-header h2 { margin: 0; color: #0f172a; font-size: var(--board-display-size, 24px); line-height: 1.1; font-weight: 720; letter-spacing: -0.04em; }
.board-html-header p { margin: 8px 0 0; color: #64748b; font-size: 12px; line-height: 1.35; letter-spacing: 0.01em; }
.board-canvas { position: relative; min-width: 0; overflow: visible; }
/* Zones under edges so short-gap labels (ABCDE) are not covered by box fill. */
.board-canvas .board-zone,
.board-canvas .board-item { z-index: 1 !important; }
.board-edges {
  z-index: 50 !important;
  transform: translateZ(0); /* own layer above HTML boxes */
}
.board-zone {
  position: absolute; box-sizing: border-box; min-width: 0; max-width: none; padding: 12px 14px;
  border: 1px solid #dbe4ef; border-radius: 6px; background: #fff;
  box-shadow: 0 3px 10px rgba(15, 23, 42, .045), 0 1px 2px rgba(15, 23, 42, .04); z-index: 1;
}
.board-zone:not(.board-diamond) {
  display: flex;
  flex-direction: column;
}
.board-zone:not(.board-diamond) > .box-content {
  flex: 1 1 auto;
  min-height: 0;
}
.board-zone-title { display: flex; align-items: flex-start; gap: 9px; min-width: 0; min-height: 20px; margin: 0 0 12px; color: #1e293b; font-size: 13px; line-height: 1.22; font-weight: 680; }
.board-title-copy { display: inline-flex; flex: 1 1 auto; flex-direction: column; gap: 3px; min-width: 0; overflow: hidden; }
.board-title-name,
.board-item-text { min-width: 0; overflow-wrap: anywhere; }
.board-title-name { display: block; min-width: min-content; overflow-wrap: break-word; }
.board-title-subtitle { color: #64748b; font-size: 10px; line-height: 1.2; font-weight: 520; }
.board-icon { display: inline-flex; flex: 0 0 auto; width: 18px; height: 18px; align-items: center; justify-content: center; color: #64748b; line-height: 1; }
.board-icon svg { display: block; width: 100%; height: 100%; overflow: visible; }
.board-zone .box-content { position: relative; display: flex; min-width: 0; }
.board-card { position: relative; min-width: 0; padding: 9px 11px; border: 1px solid #dbe4ef; border-left: 3px solid #94a3b8; border-radius: 10px; background: #fff; color: #334155; box-shadow: 0 1px 2px rgba(15,23,42,.025); font-size: 11.5px; line-height: 1.32; overflow-wrap: anywhere; }
.board-item { display: flex; align-items: flex-start; gap: 9px; }
.board-item .board-icon { flex: 0 0 auto; }
.board-item-copy { display: flex; flex: 1 1 auto; min-width: 0; flex-direction: column; gap: 2px; }
.board-item-text { display: block; min-width: 0; overflow-wrap: anywhere; }
.board-card::before { display: none; }
.board-kind-document { border-left-color: #64748b; background: #fbfcfe; }
.board-kind-kit { border-left-color: #7c83a5; background: #fcfbff; }
.board-kind-env-local { border-left-color: #4e9278; background: #f8fcfa; }
.board-kind-env-sbx { border-left-color: #3f7faf; background: #f7fbfe; }
.board-kind-artifact { border-left-color: #7764aa; background: #fbfaff; }
.board-kind-suite { border-left-color: #8a6684; background: #fdfafd; }
.board-kind-document .board-icon,
.board-kind-kit .board-icon { color: #64748b; }
.board-kind-env-local .board-icon { color: #5b8c78; }
.board-kind-env-sbx .board-icon { color: #4f80a8; }
.board-kind-artifact .board-icon,
.board-kind-suite .board-icon { color: #7a6aa8; }
.board-kind-suite .board-card { max-width: 280px; }
.board-kit .box-content { gap: 0 !important; }
.board-branch-local,
.board-branch-docker { border-left-width: 2px; }
.board-item-kind { display: block; margin: 0 0 3px; color: #475569; font-size: 10px; line-height: 1.15; font-weight: 680; }
.board-item-subtitle { display: block; color: #64748b; font-size: 10px; line-height: 1.25; }
.board-title-only:not(.board-diamond) {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}
.board-title-only.board-type-card {
  min-height: 78px;
}
.board-title-only .board-zone-title {
  margin: 0;
  justify-content: center;
  text-align: center;
}
.board-title-only .board-title-copy {
  align-items: center;
  text-align: center;
}
.board-title-only > .box-content,
.board-title-only .board-diamond-inner > .box-content {
  display: none !important;
}
/* Transparent chip host around the rhombus. Keep this layer. */
.board-item-diamond {
  position: relative;
  overflow: visible;
  justify-content: center;
  align-items: center;
  align-self: auto;
  text-align: center;
  flex: 0 0 auto;
  gap: 0;
}
.board-render .board-item.board-item-diamond.board-card:not(.is-measuring-chip-fill),
.board-render .board-type-container > .box-content > .board-item.board-card.board-item-diamond:not(.is-measuring-chip-fill),
.board-render .board-type-card > .box-content > .board-item.board-card.board-item-diamond:not(.is-measuring-chip-fill) {
  background: transparent !important;
  border: 0 !important;
  box-shadow: none !important;
  padding: 0 !important;
}
.board-item-diamond-visual { pointer-events: none; overflow: visible; }
.board-item-diamond-shape { display: block; overflow: visible; }
.board-item-diamond .board-item-copy {
  z-index: 1;
  flex: 0 0 auto;
  width: auto;
  text-align: center;
  justify-content: center;
  align-items: center;
  line-height: 1.1;
}
.board-item-diamond .board-item-text { text-align: center; line-height: 1.1; }
.board-render .board-item.board-item-diamond .board-item-copy,
.board-render .board-item.board-item-diamond .board-item-text {
  width: auto;
  flex: 0 0 auto;
  text-align: center;
  justify-content: center;
  align-items: center;
}
.board-item-diamond-halo {
  visibility: hidden;
  stroke: var(--canvas-ring, #db4c84) !important;
  stroke-width: var(--canvas-ring-width, 2px) !important;
}
.board-item-diamond.board-selection,
.board-item-diamond.canvas-selected { outline: none !important; }
.board-item-diamond.board-selection > .board-item-diamond-visual,
.board-item-diamond.canvas-selected > .board-item-diamond-visual { outline: none !important; }
.board-item-diamond.board-selection .board-item-diamond-halo,
.board-item-diamond.canvas-selected .board-item-diamond-halo { visibility: visible; }
.board-diamond { display: flex; align-items: center; justify-content: center; padding: 0; background: transparent; border: 0; box-shadow: none; overflow: visible; }
.board-diamond-visual { position: relative; flex: 0 0 auto; }
.board-diamond.board-selection,
.board-diamond.canvas-selected { outline: none !important; }
.board-diamond.board-selection > .board-diamond-visual,
.board-diamond.canvas-selected > .board-diamond-visual {
  outline: var(--canvas-ring-width, 2px) solid var(--canvas-ring, #db4c84) !important;
  outline-offset: var(--canvas-ring-offset, 2px);
}
.board-diamond-inner { position: relative; z-index: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; }
.board-diamond .box-content { padding: 0; gap: 6px; align-items: stretch; flex: 0 0 auto; width: max-content; max-width: 100%; }
.board-diamond .box-content > .board-item { width: 100%; box-sizing: border-box; }
.board-diamond-shape { z-index: 0; }
.board-diamond .board-zone-title { position: relative; z-index: 1; justify-content: center; width: auto; max-width: none; margin: 0; color: #1e4f86; text-align: center; font-size: var(--board-title-size, 12px); line-height: 1.16; }
.board-diamond .board-title-copy { align-items: center; max-width: 100%; text-align: center; overflow: visible; }
.board-diamond .board-title-name { overflow-wrap: anywhere; }
.board-diamond .board-item { overflow-wrap: anywhere; }
.board-edges { z-index: 50 !important; shape-rendering: geometricPrecision; pointer-events: none; transform: translateZ(0); }
.board-edge-hit { pointer-events: stroke !important; cursor: pointer; }
.board-edge-visible { pointer-events: none; stroke-width: 1.2px; }
.board-edge-visible.board-edge-selected { stroke-width: 2px !important; }
.board-edge-label { paint-order: stroke; stroke: #fdfaf5; stroke-width: 5px; stroke-linejoin: round; fill: var(--board-edge-label, #5a4330); font-size: var(--board-label-size, 11px); font-weight: 600; letter-spacing: 0; pointer-events: auto; cursor: pointer; }
.board-edge-label.board-edge-selected { font-weight: 600; }
.board-slot {
  position: relative;
  display: block;
  box-sizing: border-box;
  flex: 0 0 auto;
  pointer-events: none;
  overflow: visible;
}
.board-slot.is-link { pointer-events: auto; cursor: pointer; }
.board-slot-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  pointer-events: none;
}
.board-slot-label {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  z-index: 1;
  font-size: 10px;
  font-weight: 650;
  letter-spacing: 0;
  white-space: nowrap;
  pointer-events: none;
  text-shadow: 0 0 3px #fbfcfe, 0 0 3px #fbfcfe, 0 0 3px #fbfcfe;
}
.board-feedback-label { fill: #a65361; }
.board-legend { position: absolute; left: 0; bottom: -46px; z-index: 2; display: flex; gap: 18px; align-items: center; padding: 5px 0; color: #64748b; font-size: 10px; }
.board-legend span { display: inline-flex; align-items: center; gap: 5px; white-space: nowrap; }
.board-legend-line { display: inline-block; width: 26px; border-top: 2px solid #2563eb; }
.board-legend-evidence { border-top-color: #b85a68; border-top-style: dashed; }

/* TOOLBAR_V3: canvas-shell already sits beside sheet — always left:12px; 3 buttons gap 8px */
html[data-drawer-mode="vela"] .top-float {
  position: absolute !important;
  top: 12px !important;
  left: 12px !important;
  right: auto !important;
  width: auto !important;
  max-width: none !important;
  display: flex !important;
  flex-direction: row !important;
  align-items: center !important;
  justify-content: flex-start !important;
  gap: 8px !important;
  transform: none !important;
  opacity: 1 !important;
  padding: 0 !important;
  margin: 0 !important;
  border: 0 !important;
  background: transparent !important;
  box-shadow: none !important;
  pointer-events: none !important;
  z-index: 40 !important;
  overflow: visible !important;
}
html[data-drawer-mode="vela"] .top-float > * {
  pointer-events: auto;
}
.top-float .btn-source,
.top-float .btn-theme,
.top-float .btn-more {
  box-sizing: border-box;
  width: 32px; height: 32px; min-width: 32px; margin: 0; padding: 0;
  border-radius: 10px; border: 1px solid var(--stroke);
  background: var(--panel-solid); color: var(--text);
  display: inline-flex; align-items: center; justify-content: center;
  cursor: pointer;
  flex: 0 0 auto;
}
.top-float .menu { position: relative; overflow: visible; }
.top-float .menu-panel {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: auto;
  min-width: 160px;
  z-index: 50;
  display: none;
  flex-direction: column;
  padding: 6px;
  border-radius: 12px;
  border: 1px solid var(--stroke);
  background: var(--panel-solid);
  box-shadow: var(--shadow, 0 8px 24px rgba(0,0,0,.12));
}
.top-float .menu.open > .menu-panel { display: flex !important; }
.top-float .menu-item {
  text-align: left; width: 100%; border: 0; background: transparent;
  padding: 8px 10px; border-radius: 8px; cursor: pointer; color: var(--text);
}
.top-float .menu-item:hover { background: var(--accent-soft, rgba(37,99,235,.08)); }
.top-float .theme-item.is-active { font-weight: 650; color: var(--accent, #2563eb); }
#canvasShell,
.canvas-shell { overflow: visible !important; }


/* MENUS_NO_SHEET_OVERLAP: sheet above menus; panels stay in canvas */
.sheet { z-index: 60 !important; }
html[data-drawer-mode="vela"] .top-float {
  z-index: 30 !important;
}
.top-float .menu-panel {
  position: absolute !important;
  top: calc(100% + 6px) !important;
  left: 0 !important;
  right: auto !important;
  z-index: 31 !important;
}
/* Prefer opening to the right so panels grow into the canvas, not back over the sheet */
.top-float .top-float-theme .menu-panel,
.top-float .top-float-more .menu-panel {
  left: 0 !important;
  right: auto !important;
  transform: none !important;
}


/* ZONE/CARD PAD: theme chrome must not collapse (layout padding:0 is content-only); fallbacks match typeChrome defaults */
.board-render .board-type-card:not(.board-type-container) {
  padding: var(--board-card-zone-pad, var(--board-zone-pad, 12px 14px)) !important;
  box-sizing: border-box !important;
  overflow: visible !important;
}
.board-render .board-type-card > .box-content {
  box-sizing: border-box;
  /* gap comes from applyFlex; keep content pad from layout without canceling zone chrome */
}
.board-render .board-type-card .board-item.board-card,
.board-render .board-type-card .board-card.board-item {
  padding: var(--board-card-card-pad, var(--board-card-pad, 6px 10px)) !important;
  box-sizing: border-box !important;
}
.board-render .board-type-container .board-item.board-card,
.board-render .board-type-container .board-card.board-item {
  padding: var(--board-container-card-pad, var(--board-card-pad, 6px 10px)) !important;
  box-sizing: border-box !important;
}

/* Board title is document.title; do not paint it on the canvas. */
.board-render .board-html-header,
.board-render .board-title-node {
  display: none !important;
}
.board-render .board-legend { display: none !important; }
.board-render .board-icon { display: none !important; }
.board-render .board-item {
  gap: 0 !important;
  font-size: var(--board-card-size, 12px);
}

/* Item text default: centered */
.board-render .board-item.board-item-type-chip,
.board-render .board-item.board-card.board-item-type-chip,
.board-render .board-item.board-item-type-text,
.board-render .board-item.board-item-type-note,
.board-render .board-item.board-card.board-item-type-note {
  max-width: var(--board-item-cap, 16rem);
}
.board-render .board-item[data-board-cap="off"] {
  max-width: none;
  width: max-content;
}
.board-render .board-item.board-item-type-chip,
.board-render .board-item.board-card.board-item-type-chip {
  justify-content: center;
  align-items: center;
  text-align: center;
  min-width: min-content;
}
.board-render .board-item.board-item-type-chip .board-item-copy,
.board-render .board-item.board-item-type-chip .board-item-text {
  text-align: center;
  width: 100%;
  justify-content: center;
  align-items: center;
  white-space: pre-wrap;
  overflow-wrap: break-word;
  min-width: min-content;
}
.board-render .board-item.board-item-type-chip.board-item-diamond .board-item-copy,
.board-render .board-item.board-item-type-chip.board-item-diamond .board-item-text {
  width: auto;
  max-width: 100%;
  line-height: 1.1;
  text-align: center;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.board-render .board-item.board-item-type-text {
  background: transparent !important;
  border: 0 !important;
  box-shadow: none !important;
  border-radius: 0 !important;
  padding: 2px 0 !important;
  justify-content: flex-start;
  align-items: flex-start;
  text-align: left;
}
.board-render .board-item.board-item-type-text .board-item-copy,
.board-render .board-item.board-item-type-text .board-item-text {
  text-align: left;
  width: 100%;
  font-weight: 550;
  color: var(--board-color, #222);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.board-render .board-zone-title {
  gap: 0 !important;
  align-items: center;
}
.board-render .board-zone-glyph {
  display: inline-flex;
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
  margin-right: 6px;
  color: currentColor;
}
.board-render .board-zone-glyph svg {
  display: block;
  width: 100%;
  height: 100%;
}

/* BOARD_TYPE_V1 */
.board-inspector { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; padding: 8px 10px; border-top: 1px solid var(--stroke); }
.board-inspector[hidden] { display: none !important; }
.board-inspector-label { font-size: 11px; color: var(--muted, #64748b); }
#boardTypeEditor {
  min-width: 96px; border: 1px solid var(--stroke); border-radius: 6px;
  padding: 5px 7px; background: var(--panel-solid); color: var(--text);
  font: 12px var(--sans); outline: none;
}
#boardTypeEditor:focus { border-color: var(--accent); }
.board-render .board-item.board-item-type-note,
.board-render .board-item.board-card.board-item-type-note {
  justify-content: flex-start;
  align-items: flex-start;
  text-align: left;
  font-weight: 400;
  line-height: 1.5;
  padding: 8px 14px 8px 10px !important;
}
.board-render .board-item-note .board-item-copy,
.board-render .board-item-note .board-item-text {
  position: relative;
  z-index: 1;
  text-align: left;
  width: 100%;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.board-render .board-item-md h1,
.board-render .board-item-md h2,
.board-render .board-item-md h3 {
  margin: 0;
  padding: 0;
  color: inherit;
  font-family: inherit;
  line-height: 1.25;
  font-weight: 650;
}
.board-render .board-item-md h1 {
  font-size: 1.35em;
  padding-bottom: 0.22em;
  margin-bottom: 0.28em;
  border-bottom: 1px solid rgba(15, 23, 42, .12);
}
.board-render .board-item-md h2 { font-size: 1.15em; }
.board-render .board-item-md h3 { font-size: 1em; }
.board-render .board-item-md h1:last-child,
.board-render .board-item-md h2:last-child,
.board-render .board-item-md h3:last-child {
  margin-bottom: 0;
}
.board-render .board-item-md strong { font-weight: 650; }
.board-render .board-item-md em { font-style: italic; }
.board-render .board-item-md ul,
.board-render .board-item-md ol {
  margin: 0.25em 0 0;
  padding-left: 1.25em;
}
.board-render .board-item-md ul:first-child,
.board-render .board-item-md ol:first-child { margin-top: 0; }
.board-render .board-item-md li {
  margin: 0;
  padding: 0;
}
.board-render .board-item-md code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.85em;
  background: rgba(15, 23, 42, .06);
  padding: 0.12em 0.38em;
  border-radius: 4px;
}
.board-render .board-item-md a {
  color: inherit;
  text-decoration: underline;
  cursor: pointer;
}
.board-render .board-item-note,
.board-render .board-item.board-card.board-item-note,
.board-render .board-type-card > .box-content > .board-item.board-card.board-item-note:nth-of-type(n),
.board-render .board-type-container > .box-content > .board-item.board-card.board-item-note:nth-of-type(n) {
  position: relative;
  overflow: visible !important;
  background: transparent !important;
  border: 0 !important;
  border-radius: 0 !important;
  box-shadow: none !important;
}
.board-render .board-item-note-sheet {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: #fffbeb;
  border: 1px solid #c5c07a;
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
}
.board-render .board-item-note-fold {
  position: absolute;
  top: 0;
  right: 0;
  width: 22px;
  height: 22px;
  z-index: 1;
  pointer-events: none;
  background: #d4ce86;
  clip-path: polygon(0 0, 100% 100%, 0 100%);
}
.board-render .board-item-icon {
  background: transparent !important;
  border: 0 !important;
  box-shadow: none !important;
  border-radius: 0 !important;
  padding: 2px 0 !important;
  min-height: 0;
  justify-content: flex-start;
  align-items: center;
  gap: 8px !important;
}
.board-render .board-item-icon .board-item-glyph {
  display: inline-flex;
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
  color: var(--board-ink, var(--text, #1f2937));
}
.board-render .board-item-icon .board-item-glyph svg {
  display: block;
  width: 100%;
  height: 100%;
}
.board-render .board-item-icon .board-item-copy,
.board-render .board-item-icon .board-item-text {
  text-align: left;
  width: auto;
  font-weight: 550;
  color: var(--board-ink, var(--text, #1f2937));
}
.board-render .board-item-icon.is-icon-only {
  gap: 0 !important;
  width: max-content;
  max-width: 100%;
  min-width: 0 !important;
  align-self: center;
}
.board-render .board-item-icon.is-icon-only .board-item-copy {
  display: none !important;
}
.board-render .board-type-card { /* default */ }
.board-render .board-type-diamond { }

/* BOARD_DRAG_FREE: allow dragging past origin; keep nodes visible */
.board-render .board-canvas { overflow: visible !important; }
.board-render { overflow: visible !important; }

/* BOARD_ITEM_HIT: items must receive clicks above parent box */
.board-render .board-item { pointer-events: auto; position: relative; z-index: 2; cursor: pointer; }
.board-render .board-root-item {
  position: absolute !important;
  z-index: 4;
  cursor: grab;
  min-width: 48px;
}
.board-render .board-root-item.board-card {
  padding: var(--board-card-pad, 6px 10px) !important;
  box-sizing: border-box !important;
}
.board-render .board-zone { cursor: grab; }
.board-render .board-zone .box-content,
.board-render .board-zone .board-modules { pointer-events: auto; }

/* BOARD_DOCK: right rail — Layout / Props / Source; one panel at a time */
html[data-drawer-mode="vela"] .app {
  grid-template-columns: minmax(0, 1fr);
}
.sheet { display: none !important; }
.vela-dock {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: auto;
  width: 40px;
  max-width: min(80vw, 720px);
  display: none;
  flex-direction: row-reverse;
  z-index: 45;
  overflow: hidden;
  background: var(--panel-solid, #fff);
  color: var(--text);
  border-left: 1px solid var(--stroke);
  box-shadow: none;
  pointer-events: auto;
  transition: none; /* avoid open/close width jitter */
}
html[data-drawer-mode="vela"] .vela-dock { display: flex; }
/* Layout tab hidden; settings live in Style */
[data-dock="layout"] {
  display: none !important;
}
.vela-dock[data-open="props"],
.vela-dock[data-open="layout"],
.vela-dock[data-open="source"],
.vela-dock[data-open="export"],
.vela-dock[data-open="style"] {
  width: var(--dock-open-width, 400px);
  box-shadow: -12px 0 32px rgba(15, 23, 42, .05);
}
.vela-dock-resize {
  display: none;
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 10px;
  cursor: col-resize;
  z-index: 3;
  touch-action: none;
  background: transparent;
}
.vela-dock-resize::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 1px;
  background: transparent;
  pointer-events: none;
  transition: width .12s ease, background-color .12s ease;
}
.vela-dock[data-open="props"] .vela-dock-resize,
.vela-dock[data-open="layout"] .vela-dock-resize,
.vela-dock[data-open="source"] .vela-dock-resize,
.vela-dock[data-open="export"] .vela-dock-resize,
.vela-dock[data-open="style"] .vela-dock-resize {
  display: block;
}
.vela-dock-resize:hover::after,
.vela-dock.is-resizing .vela-dock-resize::after {
  width: 2px;
  background: var(--accent);
}
.vela-dock-rail {
  flex: 0 0 40px;
  width: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 10px 0;
  border-left: 1px solid var(--stroke);
  background: color-mix(in srgb, var(--canvas) 35%, var(--panel-solid));
}
.vela-dock-tab {
  position: relative;
  flex: 0 0 auto;
  width: 32px;
  height: 32px;
  min-height: 32px;
  max-height: 32px;
  border: 0;
  padding: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--muted, #64748b);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
}
.vela-dock-tab:hover { background: color-mix(in srgb, var(--text) 6%, transparent); color: var(--text); }
.vela-dock-tab.is-active {
  background: color-mix(in srgb, var(--accent) 10%, var(--panel-solid));
  color: var(--accent);
}
.vela-dock-tab.is-active::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  border-radius: 2px;
  background: var(--accent);
}
.vela-dock-tab-icon { width: 18px; height: 18px; display: block; }
.vela-dock-intro { text-decoration: none; }
.vela-dock-help-glyph {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
}
.vela-dock-tab-label {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.vela-dock-panel {
  display: none;
  flex: 1 1 auto;
  min-width: 0;
  padding: 16px 16px 20px;
  flex-direction: column;
  gap: 12px;
  overflow: auto;
}
.vela-dock[data-open="props"] [data-dock-panel="props"],
.vela-dock[data-open="layout"] [data-dock-panel="layout"],
.vela-dock[data-open="source"] [data-dock-panel="source"],
.vela-dock[data-open="export"] [data-dock-panel="export"],
.vela-dock[data-open="style"] [data-dock-panel="style"] {
  display: flex;
}
.vela-dock[data-open="source"] [data-dock-panel="source"] {
  padding: 16px 0 16px;
}
.vela-dock[data-open="export"] [data-dock-panel="export"],
.vela-dock[data-open="style"] [data-dock-panel="style"] {
  padding: 14px;
}
.vela-dock[data-open="export"] [data-dock-panel="export"] .dock-source-head,
.vela-dock[data-open="style"] [data-dock-panel="style"] .dock-source-head {
  padding: 0; /* panel already pads; avoid title drifting right */
}
.dock-source-body {
  display: none;
  flex: 1 1 auto;
  min-height: 0;
  flex-direction: column;
}
.dock-source-body[data-source-mode="board"] {
  display: flex;
}
.dock-source-head {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 0 16px 10px;
  min-height: 28px;
  box-sizing: border-box;
  border-bottom: 1px solid var(--stroke);
}
.dock-source-head strong {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 20px;
  min-height: 20px;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.dock-source-identity {
  display: flex;
  align-items: baseline;
  gap: 8px;
  min-width: 0;
  flex: 1 1 auto;
}
.doc-ver {
  flex: 0 0 auto;
  font-size: 10.5px;
  font-weight: 550;
  line-height: 16px;
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--muted, #64748b);
  padding: 1px 6px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--text) 6%, transparent);
}
.dock-source-actions {
  display: flex;
  gap: 6px;
  justify-content: flex-end;
  flex: 0 0 auto;
}
.dock-source-actions .btn {
  height: 28px;
  min-height: 28px;
  padding: 0 10px;
  font-size: 12px;
}
.props-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  padding-bottom: 12px;
  margin-bottom: 2px;
  border-bottom: 1px solid var(--stroke);
}
.props-head strong { font-size: 13px; font-weight: 600; letter-spacing: -0.01em; }
.props-kind {
  font-size: 10px; color: var(--muted, #64748b); font-weight: 600;
  letter-spacing: .04em; text-transform: uppercase;
  padding: 2px 7px; border-radius: 999px;
  background: color-mix(in srgb, var(--text) 5%, transparent);
}
.props-empty { font-size: 12px; color: var(--muted, #64748b); line-height: 1.5; padding: 8px 0; }
.props-fields { display: flex; flex-direction: column; gap: 14px; }
.props-layout {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.props-layout-head {
  display: flex; align-items: center; justify-content: space-between;
  font-size: 12px; font-weight: 650; color: var(--text);
}
.props-seg {
  display: grid; grid-template-columns: 1fr 1fr; gap: 6px;
}
.props-seg-btn {
  height: 32px; border: 1px solid var(--stroke); border-radius: 8px;
  background: var(--panel-solid); color: var(--text);
  font: 12px var(--sans); cursor: pointer;
}
.props-seg-btn:hover { background: var(--accent-soft); }
.props-seg-btn[aria-pressed="true"] {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 14%, var(--panel-solid));
  color: var(--accent);
  font-weight: 650;
}
.props-shape-seg {
  display: flex;
  grid-template-columns: unset;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--stroke);
  border-radius: 10px;
  background: color-mix(in srgb, var(--stroke) 10%, var(--panel-solid));
}
.props-shape-btn {
  flex: 1;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 7px;
  border-color: transparent;
}
.props-shape-btn svg { display: block; }
#boardShapeField[hidden],
#boardShapeLabel[hidden] { display: none !important; }
#boardCapField[hidden],
#boardCapLabel[hidden] { display: none !important; }
#boardNodeFontField[hidden],
#boardNodeFontLabel[hidden] { display: none !important; }
.props-field:has(#boardNodeFontLabel[hidden]) { display: none !important; }
.props-field:has(#boardIdLabel[hidden]) { display: none !important; }
.props-field:has(#boardTypeLabel[hidden]) { display: none !important; }
.props-field:has(#boardShapeLabel[hidden]) { display: none !important; }
.props-field:has(#boardArrowLabel[hidden]) { display: none !important; }
.props-field:has(#boardTitleLabel[hidden]) { display: none !important; }
.props-field:has(#flowchartIdLabel[hidden]) { display: none !important; }
.props-field:has(#flowchartTypeLabel[hidden]) { display: none !important; }
.props-field:has(#flowchartTitleLabel[hidden]) { display: none !important; }
#flowchartPropsFields[hidden],
#flowchartTypeField[hidden],
#flowchartTitleField[hidden],
#flowchartIdWrap[hidden],
#propsEmpty[hidden] { display: none !important; }

.props-field {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
}
#flowchartDirField { margin: 4px 0 10px; }
.props-control {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}
.props-hint-end {
  margin: 0;
  align-self: flex-end;
  text-align: right;
}
.props-label { font-size: 11px; color: var(--muted, #64748b); margin: 0; letter-spacing: .02em; }
#diagramThemeSelect,
#boardTypeEditor,
#boardTitleEditor,
#boardDirEditor,
#boardIconSec,
#boardAlignEditor,
#boardJustifyEditor,
#boardArrowEditor,
#boardCapEditor,
#boardIdEditor,
#flowchartTypeEditor,
#flowchartTitleEditor,
#flowchartIdEditor,
#flowchartDirEditor {
  width: 100%; box-sizing: border-box; border: 1px solid var(--stroke); border-radius: 8px;
  padding: 8px 10px; min-height: 34px; background: var(--panel-solid); color: var(--text); font: 13px var(--sans); outline: none;
}
.props-arrow-row { display: flex; align-items: stretch; gap: 8px; }
.props-arrow-row[hidden],
#boardArrowLabel[hidden],
#boardArrowReverse[hidden] { display: none !important; }
.props-arrow-row #boardArrowEditor { flex: 1 1 auto; min-width: 0; width: auto; }
.props-arrow-reverse {
  flex: 0 0 40px; width: 40px; box-sizing: border-box;
  border: 1px solid var(--stroke); border-radius: 8px; padding: 0;
  background: var(--panel-solid); color: var(--text);
  display: inline-flex; align-items: center; justify-content: center;
  cursor: pointer;
}
.props-arrow-reverse svg { width: 16px; height: 16px; display: block; }
.props-arrow-reverse:hover { background: var(--accent-soft); }
.props-arrow-reverse:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 22%, transparent);
}
#boardTitleEditor,
#flowchartTitleEditor {
  resize: vertical;
  min-height: 38px;
  line-height: 1.4;
  white-space: pre-wrap;
  field-sizing: content;
}
#boardTitleEditor.is-multiline,
#flowchartTitleEditor.is-multiline {
  min-height: 108px;
}
#diagramThemeSelect:focus,
#boardTypeEditor:focus,
#boardTitleEditor:focus,
#boardDirEditor:focus,
#boardIconSec:focus,
#boardAlignEditor:focus,
#boardJustifyEditor:focus,
#boardArrowEditor:focus,
#boardCapEditor:focus,
#boardIdEditor:focus,
#flowchartTypeEditor:focus,
#flowchartTitleEditor:focus,
#flowchartIdEditor:focus,
#flowchartDirEditor:focus {
  border-color: var(--accent); box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 22%, transparent);
}
#diagramThemeSelect,
#boardTypeEditor,
#boardDirEditor,
#boardIconSec,
#boardAlignEditor,
#boardJustifyEditor,
#boardArrowEditor,
#boardCapEditor,
#flowchartTypeEditor,
#flowchartDirEditor {
  appearance: none; -webkit-appearance: none;
  padding-right: 32px;
  background-color: var(--panel-solid);
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'><path fill='none' stroke='%236e6e73' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round' d='M2.5 4.5L6 8l3.5-3.5'/></svg>");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 12px 12px;
}
html[data-theme="dark"] #diagramThemeSelect,
html[data-theme="dark"] #boardTypeEditor,
html[data-theme="dark"] #boardDirEditor,
html[data-theme="dark"] #boardIconSec,
html[data-theme="dark"] #boardAlignEditor,
html[data-theme="dark"] #boardJustifyEditor,
html[data-theme="dark"] #boardArrowEditor,
html[data-theme="dark"] #boardCapEditor,
html[data-theme="dark"] #flowchartTypeEditor,
html[data-theme="dark"] #flowchartDirEditor {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'><path fill='none' stroke='%23a1a1a6' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round' d='M2.5 4.5L6 8l3.5-3.5'/></svg>");
}
#boardTypeEditor:disabled { opacity: .65; cursor: not-allowed; }
.props-id-row { display: flex; align-items: stretch; position: relative; }
.props-id-row[hidden],
#boardIdLabel[hidden],
#boardIdDup[hidden] { display: none !important; }
#boardIdEditor {
  flex: 1 1 auto; min-width: 0;
  padding-right: 36px;
  font: 13px var(--mono);
  text-transform: uppercase;
}
#boardIdEditor.is-dup {
  border-color: var(--danger);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--danger) 22%, transparent);
}
.props-id-copy {
  position: absolute; right: 4px; top: 50%; transform: translateY(-50%);
  width: 28px; height: 28px; box-sizing: border-box; border: 0; border-radius: 6px;
  padding: 0; background: transparent; color: var(--muted, #64748b);
  appearance: none; -webkit-appearance: none;
  display: inline-flex; align-items: center; justify-content: center; cursor: pointer;
}
.props-id-copy:hover { background: var(--accent-soft); color: var(--text); }
.props-id-copy:focus {
  outline: none;
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 22%, transparent);
}
.props-id-copy.is-copied {
  background: transparent;
  color: var(--ok);
}
.props-id-copy:disabled { opacity: .45; cursor: not-allowed; }
.props-id-copy-icon { width: 16px; height: 16px; display: block; }
.props-id-copy .props-id-copy-b { display: none; }
.props-id-copy.is-copied .props-id-copy-a { display: none; }
.props-id-copy.is-copied .props-id-copy-b { display: block; }
.props-id-dup { margin: 0; font-size: 11px; color: var(--danger); line-height: 1.4; }
.props-hint { margin: 4px 0 0; font-size: 11px; color: var(--muted, #64748b); line-height: 1.4; }
.props-field .props-hint-end { margin: 0; }
#boardDirLabel[hidden],
#boardAlignLabel[hidden],
#boardJustifyLabel[hidden] { display: none !important; }
.props-field:has(#boardDirLabel[hidden]),
.props-field:has(#boardAlignLabel[hidden]),
.props-field:has(#boardJustifyLabel[hidden]) { display: none !important; }
#boardIconField { display: flex; flex-direction: column; gap: 10px; }
#boardIconField[hidden] { display: none !important; }
.props-icon-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  max-height: 220px;
  overflow: auto;
  padding: 4px;
  border: 1px solid var(--stroke);
  border-radius: 8px;
  background: var(--panel-solid);
}
.props-icon-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 32px;
  padding: 0 8px;
  border: 1px solid transparent;
  border-radius: 6px;
  background: transparent;
  color: var(--text);
  font: 12px var(--sans);
  cursor: pointer;
}
.props-icon-btn:hover { background: var(--accent-soft); }
.props-icon-btn.is-selected {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 14%, var(--panel-solid));
}
.props-icon-glyph { width: 16px; height: 16px; flex: 0 0 auto; color: var(--text); }
.props-icon-glyph svg { display: block; width: 100%; height: 100%; }
.props-icon-num { width: 3ch; flex: 0 0 auto; font-variant-numeric: tabular-nums; color: var(--muted, #64748b); }
.props-icon-gloss { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.board-render .board-title-node { cursor: pointer; border-radius: 10px; padding: 6px 14px !important; }
.board-render .board-title-node.board-selection,
.board-render .board-title-node.canvas-selected {
  background: color-mix(in srgb, var(--canvas-ring, #db4c84) 8%, transparent);
}

/* Keep left sheet above any stray overlay */
.sheet { z-index: 60 !important; }

/* BOARD_LINK_MODE */

html.board-link-mode .board-edges,
html.board-link-mode .board-edges *,
html.board-link-mode .board-slot { pointer-events: none !important; }
html.board-link-mode .board-zone { position: relative; z-index: 3; }

html.board-link-mode,
html.board-link-mode .board-canvas,
html.board-link-mode .board-zone {
  cursor: crosshair !important;
}
html.board-link-mode .board-zone.board-link-source,
html.board-link-mode .board-item.board-link-source {
  outline: 2px solid var(--accent, #2563eb);
  outline-offset: 3px;
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent, #2563eb) 18%, transparent);
}
html.board-link-mode .board-edit-tool#btnBoardLink.is-active {
  background: color-mix(in srgb, var(--accent, #2563eb) 18%, var(--panel-solid)) !important;
  border-color: var(--accent, #2563eb) !important;
  color: var(--accent, #2563eb) !important;
}


.dock-source-body[data-source-mode="board"] .board-editor-wrap {
  position: relative;
  margin: 10px 16px;
}
.dock-source-body .pill {
  height: auto;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  font-size: 11px;
  color: var(--muted, #64748b);
}
.dock-source-body .pill b { font-weight: 600; }
.dock-source-body .pill.ok { color: var(--muted, #64748b); border-color: transparent; }
.dock-source-body .dock-beta { display: none !important; }


/* ——— State diagram UI (Cursor-like) ——— */
/* Leaf states only — not composite outer/inner shells */

/* Composite: outer shell rounded; inner content frame removed */


















/* Source dock: editor fills remaining height; History stays below. */
.dock-source-body > .board-editor-wrap {
  flex: 1 1 auto;
  min-height: 0;
}
.source-chars {
  position: absolute;
  right: 10px;
  bottom: 8px;
  padding: 0;
  font-size: 10.5px;
  line-height: 1;
  letter-spacing: 0.01em;
  font-variant-numeric: tabular-nums;
  color: color-mix(in srgb, var(--muted, #64748b) 88%, transparent);
  background: none;
  pointer-events: none;
  user-select: none;
}
.source-chars b {
  font-weight: 550;
  color: var(--muted, #64748b);
}
.dock-source-body #velaSource {
  min-height: 0;
  padding-bottom: 28px;
}

/* Keep editing controls left and account controls right. */
html[data-drawer-mode="vela"] .top-float {
  left: 12px !important;
  right: 48px !important;
  width: auto !important;
}
html[data-drawer-mode="vela"] .shell-account-bar {
  margin-left: auto;
  flex: 0 1 auto;
}
@media (max-width: 820px) {
  html[data-drawer-mode="vela"] .top-float {
    left: 6px !important;
    right: 42px !important;
  }
  .shell-account-name {
    max-width: 6rem;
  }
  .shell-account-chip {
    max-width: 11rem;
    padding-right: 8px;
  }
}

/* Width Cap off: never wrap. Kept last and one notch more specific than the
   per-type rules (text / chip / note / diamond) so it wins for every type. */
.board-render .board-item.board-item[data-board-cap="off"] .board-item-copy,
.board-render .board-item.board-item[data-board-cap="off"] .board-item-text {
  width: max-content;
  max-width: none;
  white-space: pre;
  overflow-wrap: normal;
}
.board-render .board-item.board-item[data-board-cap="off"] .board-item-md :is(h1, h2, h3, p, li, blockquote) {
  white-space: pre;
  overflow-wrap: normal;
}

/* --- 04-board-form.css --- */
/* drawer-app/04-board-form.css — component form for the board canvas (Box / Item / Link).
   One layer for shape rules shared by every theme: radius, depth, selection. Colour and font stay in the theme packs.
   Tokens first; per-type rules live below, one section per type. */
:root {
  --bf-radius-box: 12px;
  --bf-radius-chip: 8px;
  --bf-ring: #db4c84;
  --bf-ring-soft: rgba(219, 76, 132, .4);
  --canvas-ring: var(--bf-ring);
  --canvas-ring-soft: var(--bf-ring-soft);
  --canvas-ring-width: 2px;
  --canvas-ring-offset: 2px;
}
/* Ring colour follows the theme (--bf-rgb is set by the theme pack on the board root).
   Edge of every filled card / chip: the theme edge colour at .14 laid over the node's own fill, so the edge is always a
   little deeper than whatever fill it sits on. Drawn inside (inset) so it never changes the node's size. The container
   dash is the same colour at .3. */
.board-render {
  --bf-edge: rgba(var(--bf-rgb, 74, 53, 36), .14);
  --bf-edge-in: inset 0 0 0 1px var(--bf-edge);
  --bf-shadow-box: var(--bf-edge-in), 0 1px 2px rgba(var(--bf-rgb, 74, 53, 36), .08), 0 6px 18px rgba(var(--bf-rgb, 74, 53, 36), .09);
}

/* Hover / selected rings live on .canvas-hover / .canvas-selected in 03-diagram.css. */

/* ---- Box · card: edge ring (deeper than its fill), soft corners; only the outermost card lifts off the canvas ---- */
.board-render .box.board-type-card {
  border: 0 !important;
  border-radius: var(--bf-radius-box) !important;
  box-shadow: var(--bf-shadow-box);
}
/* a card inside a card: edge ring only, no lift (its fill comes from the colour rotation) */
.board-render .board-type-card .box.board-type-card {
  box-shadow: var(--bf-edge-in);
}
.board-render .board-type-card .box.board-type-card > .box-title {
  background: transparent !important;
}

/* ---- Box · container: dashed, transparent, no shadow; selection ring does not recolour the dashes ---- */
.board-render .box.board-type-container,
.board-render .board-zone.board-type-container {
  border-radius: var(--bf-radius-box) !important;
}

/* ---- Item · chip (rect): fill from the pack (in-card vs on-canvas) plus an edge ring deeper than that fill ---- */
.board-render .board-item.board-item-type-chip:not(.board-item-diamond) {
  border: 0 !important;
  box-shadow: var(--bf-edge-in) !important;
  border-radius: var(--bf-radius-chip) !important;
}
/* inline code in Markdown: warm tint instead of cold slate */
.board-render .board-item-md code {
  background: rgba(90, 67, 48, .09);
}

/* ---- Item · chip (diamond): same fills and the same edge as the rect chip, sharp corners kept ---- */
.board-render .board-item-diamond-face {
  stroke: var(--bf-edge);
  stroke-width: 1px;
  vector-effect: non-scaling-stroke;
  fill: var(--board-card-bg, #ece3d3);
}

/* a filled box: the title strip shows the box fill instead of its own */
.board-render .box[data-bf-fill] > .box-title {
  background: transparent !important;
}

/* a filled diamond: the face takes its rotation colour (rect chips and cards are painted inline) */
.board-render .board-item-diamond[data-bf-fill] .board-item-diamond-face {
  fill: var(--bf-fill) !important;
}

/* ---- Item · note: warm cream paper, no outline, 4px corners, folded top-right ---- */
.board-render .board-item-note-sheet {
  background: #fff6dc;
  border: 0;
  border-radius: 4px;
}
.board-render .board-item-note-fold {
  background: #f0deaa;
  border-bottom-left-radius: 4px;
}
.board-render .board-item-note .board-item-md h1 {
  font-size: 1.15em;
  border-bottom-color: rgba(90, 67, 48, .14);
}

/* --- 04-source-lines.css --- */
.source-line-editor {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: row;
  align-items: stretch;
}
.source-gutter {
  flex: 0 0 auto;
  overflow: hidden;
  box-sizing: border-box;
  padding: 14px 0 28px;
  border-right: 1px solid color-mix(in srgb, var(--stroke) 80%, transparent);
  background: color-mix(in srgb, var(--canvas) 88%, var(--panel-solid));
  color: color-mix(in srgb, var(--muted, #64748b) 92%, transparent);
  font: 12.5px/1.55 var(--mono);
  font-variant-numeric: tabular-nums;
  text-align: right;
  user-select: none;
  pointer-events: none;
}
.source-gutter-inner {
  min-height: 100%;
}
.source-gutter-line {
  box-sizing: border-box;
  padding: 0 8px 0 10px;
  min-width: 2.5ch;
}
.source-line-editor #velaSource {
  flex: 1 1 auto;
  width: auto;
  min-width: 0;
  min-height: 0;
  white-space: pre-wrap;
  overflow-wrap: break-word;
}
.source-line-twin {
  position: absolute;
  left: -9999px;
  top: 0;
  height: 0;
  min-height: 0;
  overflow: hidden;
  visibility: hidden;
  pointer-events: none;
  resize: none;
}

/* --- 05-share.css --- */
#btnShareSync[hidden] { display: none !important; }

#btnShellSaveCopy[hidden] { display: none !important; }

/* --- 06-group-tabs.css --- */
/* drawer-app/06-group-tabs.css — group board tabs, bottom-right of canvas */
.group-tab-float {
  position: absolute;
  right: 48px;
  bottom: 8px;
  z-index: 4;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0;
  padding: 0 4px 8px;
  border-radius: 10px;
  border: 1px solid var(--stroke);
  background: var(--panel);
  backdrop-filter: blur(14px) saturate(1.15);
  box-shadow: var(--shadow-soft);
}
.group-tab-float[hidden] { display: none !important; }
.group-tab {
  box-sizing: border-box;
  width: 32px;
  height: 32px;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--text);
  font: 650 13px var(--sans);
  cursor: pointer;
}
.group-tab:hover { background: var(--accent-soft); }
.group-tab.is-active {
  background: color-mix(in srgb, var(--accent) 16%, transparent);
  color: var(--accent);
}
.group-tab.is-dragging { opacity: .4; }
.group-tab:not([data-board-id]) + .group-tab-plus { margin-top: 8px; }
.group-tab-drop-line {
  flex: 0 0 8px;
  height: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}
.group-tab-drop-line::after {
  content: "";
  width: 16px;
  height: 2px;
  border-radius: 1px;
  background: transparent;
}
.group-tab-drop-line.is-on::after { background: var(--accent); }
.group-tab:disabled {
  opacity: .4;
  cursor: default;
}
.group-tab:disabled:hover { background: transparent; }

/* self-drawn chrome tip (group tabs, cloud save), left of the button; size tracks .group-tab */
.chrome-tip {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 60;
  box-sizing: border-box;
  height: 32px;
  max-width: 240px;
  padding: 0 10px;
  border-radius: 8px;
  /* block, not flex: ellipsis does not apply to a flex item's text */
  display: block;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  font: 500 13px/32px var(--sans);
  color: var(--text);
  background: var(--panel);
  backdrop-filter: blur(14px) saturate(1.15);
  -webkit-backdrop-filter: blur(14px) saturate(1.15);
  box-shadow: 0 1px 2px rgba(0, 0, 0, .06), 0 4px 14px rgba(0, 0, 0, .06);
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transform: translate(4px, -50%);
  transition: opacity 120ms ease-out, transform 120ms ease-out, visibility 0s linear 120ms;
}
.chrome-tip.is-on {
  opacity: 1;
  visibility: visible;
  transform: translate(0, -50%);
  transition: opacity 120ms ease-out, transform 120ms ease-out, visibility 0s;
}
html[data-drawer-mode="vela"] .chrome-tip {
  height: 36px;
  border-radius: 9px;
  font: 500 14px/36px var(--font, var(--sans));
  color: var(--ink);
  background: var(--paper);
  box-shadow: var(--press), 0 6px 18px rgba(120, 80, 40, .07);
}
@media (prefers-reduced-motion: reduce) {
  .chrome-tip,
  .chrome-tip.is-on { transition: none; transform: translate(0, -50%); }
}

/* --- 06-sign-in.css --- */
.shell-dialog {
  position: fixed;
  inset: 0;
  z-index: 180;
  display: grid;
  place-items: center;
  padding: 24px;
}
.shell-dialog[hidden] { display: none !important; }
.shell-dialog-backdrop {
  position: absolute;
  inset: 0;
  border: 0;
  padding: 0;
  background: color-mix(in srgb, #000 36%, transparent);
  cursor: pointer;
}
.shell-dialog-sheet {
  position: relative;
  box-sizing: border-box;
  width: min(360px, 100%);
  padding: 24px 22px 18px;
  border: 1px solid var(--stroke);
  border-radius: 16px;
  background: var(--panel-solid);
  box-shadow: var(--shadow);
}
.shell-dialog-sheet h2 {
  margin: 0 0 8px;
  font: 650 18px/1.25 var(--font);
  color: var(--text);
}
.shell-dialog-sheet p {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}
.shell-dialog-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.shell-dialog .shell-auth-provider {
  height: 36px;
  padding: 0 12px;
  border: 1px solid var(--stroke);
  border-radius: 8px;
  background: var(--panel-solid);
  font-size: 13px;
  font-weight: 600;
  text-align: center;
}
.shell-dialog-close {
  display: block;
  width: 100%;
  margin-top: 10px;
  border: 0;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font: 600 12px/1 var(--font);
}
.confirm-actions {
  flex-direction: row;
  justify-content: flex-end;
  margin-top: 4px;
}
.confirm-actions .btn {
  min-width: 72px;
  justify-content: center;
}

/* --- 07-cloud-chrome.css --- */
/* Account chrome sits on the rail foot. */
html[data-drawer-mode="vela"] .vela-dock-rail {
  padding-bottom: 72px;
}
html[data-drawer-mode="vela"] .shell-account-bar {
  position: absolute;
  right: 4px;
  bottom: 8px;
  z-index: 50;
  width: 32px;
  margin: 0;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  gap: 4px;
}
html[data-drawer-mode="vela"] .shell-account-bar .shell-account-btn {
  box-sizing: border-box;
  width: 32px;
  height: 32px;
  min-width: 32px;
  padding: 0;
  border: 1px solid var(--stroke);
  border-radius: 10px;
  background: var(--panel-solid, #fff);
  box-shadow: var(--shadow-soft);
  color: var(--text, #222);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
html[data-drawer-mode="vela"] .shell-account-bar .shell-account-btn:hover {
  background: var(--panel-solid, #fff);
  border-color: color-mix(in srgb, var(--accent) 35%, var(--stroke));
}
html[data-drawer-mode="vela"] .shell-account-bar .shell-account-btn:disabled {
  opacity: 0.72;
  cursor: default;
  box-shadow: none;
}
html[data-drawer-mode="vela"] .shell-account-bar #btnShellSignIn {
  width: 26px;
  height: 26px;
  min-width: 26px;
  border-radius: 8px;
}
html[data-drawer-mode="vela"] .shell-account-bar .shell-account-sign-icon {
  width: 13px;
  height: 13px;
  display: block;
}
html[data-drawer-mode="vela"] .shell-account-bar .shell-account-sign-label,
html[data-drawer-mode="vela"] .shell-account-bar .shell-cloud-status-label,
html[data-drawer-mode="vela"] .shell-account-bar .shell-account-name,
html[data-drawer-mode="vela"] .shell-account-bar .shell-account-caret {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}
html[data-drawer-mode="vela"] .shell-account-bar .shell-cloud-status {
  width: 32px;
  height: 32px;
  min-width: 32px;
  padding: 0;
  justify-content: center;
  border: 0;
  border-radius: 8px;
  background: transparent;
  box-shadow: none;
}
html[data-drawer-mode="vela"] .shell-account-bar .shell-cloud-status:hover {
  background: color-mix(in srgb, var(--text) 6%, transparent);
  box-shadow: none;
}
html[data-drawer-mode="vela"] .shell-account-bar .shell-account-chip {
  width: 26px;
  height: 26px;
  max-width: 26px;
  padding: 0;
  justify-content: center;
  border-radius: 8px;
}
html[data-drawer-mode="vela"] .shell-account-bar .shell-account-avatar {
  width: 18px;
  height: 18px;
  font-size: 8px;
}
html[data-drawer-mode="vela"] .shell-account-bar .shell-auth-menu {
  top: auto;
  bottom: 0;
  right: calc(100% + 6px);
  left: auto;
}
html[data-drawer-mode="vela"] .shell-account-bar #btnShareSync:not([hidden]),
html[data-drawer-mode="vela"] .shell-account-bar #btnShellSaveCopy:not([hidden]) {
  position: absolute;
  right: 36px;
  bottom: 0;
  width: auto;
  min-width: 0;
  padding: 0 10px;
  white-space: nowrap;
}
.shell-session-name {
  padding: 7px 9px 2px;
  color: var(--text, #222);
  font-size: 12px;
  font-weight: 600;
  line-height: 1.3;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.shell-session-name:empty { display: none; }
.shell-session-name + .shell-session-meta {
  border-bottom: 0;
  padding-top: 0;
}
.shell-session-name:not(:empty) + .shell-session-meta {
  padding-bottom: 8px;
  margin-bottom: 2px;
  border-bottom: 1px solid var(--stroke, #e5e7eb);
}

.dock-source-foot {
  display: flex;
  justify-content: flex-end;
  flex: 0 0 auto;
  padding: 0 16px;
}
.dock-source-foot[hidden],
.dock-source-foot .btn[hidden] { display: none !important; }
.dock-source-foot .btn-delete {
  height: 28px;
  min-height: 28px;
  padding: 0 10px;
  font-size: 12px;
  color: var(--danger);
}
.dock-source-foot .btn-delete:hover {
  border-color: color-mix(in srgb, var(--danger) 45%, var(--stroke));
  background: color-mix(in srgb, var(--danger) 8%, transparent);
}

/* --- 08-workspace-shell.css --- */
/* drawer-app/08-workspace-shell.css — warm-white tool surfaces, left drawer, search.
   Light on purpose: hairlines instead of embossing, pink only for active state. */
[data-theme="light"] {
  --accent: #db4c84;
  --accent-soft: rgba(219, 76, 132, .1);
  --ink: #4a3524;
  --ink-soft: #8b7358;
  --brand: #db4c84;
  --paper: rgba(255, 253, 249, .92);
  --dock: #fdfaf4;
  --paper-line: rgba(120, 80, 40, .1);
  --press: 0 1px 2px rgba(120, 80, 40, .08);
  --wash: rgba(80, 55, 30, .05);
}

/* ---- tool surfaces: right dock, toolbar, tabs, zoom ---- */
html[data-drawer-mode="vela"] .vela-dock {
  background: var(--dock);
  border-left-color: var(--paper-line);
}
html[data-drawer-mode="vela"] .vela-dock:not([data-open=""]) { box-shadow: -10px 0 28px rgba(80, 55, 30, .06); }
html[data-drawer-mode="vela"] .vela-dock-rail { background: transparent; border-left-color: var(--paper-line); }
html[data-drawer-mode="vela"] .vela-dock-tab.is-active,
html[data-drawer-mode="vela"] .group-tab.is-active,
.shell-row.is-active { background: var(--accent-soft); }
html[data-drawer-mode="vela"] .vela-dock-tab:hover:not(.is-active),
html[data-drawer-mode="vela"] .group-tab:hover,
.shell-row:hover:not(.is-active) { background: var(--wash); }
html[data-drawer-mode="vela"] .group-tab.is-active { color: var(--brand); }
html[data-drawer-mode="vela"] .group-tab { color: var(--ink); }
html[data-drawer-mode="vela"] .vela-dock .props-head strong,
html[data-drawer-mode="vela"] .vela-dock .dock-source-head strong,
html[data-drawer-mode="vela"] .vela-dock .style-section-label { color: var(--ink); }

html[data-drawer-mode="vela"] .board-edit-tool,
html[data-drawer-mode="vela"] .zoom-float,
html[data-drawer-mode="vela"] .group-tab-float {
  background: var(--paper) !important;
  border-color: var(--paper-line) !important;
  box-shadow: var(--press);
  color: var(--ink);
}
html[data-drawer-mode="vela"] .board-edit-tool:hover:not(:disabled) { background: #fff !important; }
html[data-drawer-mode="vela"] .board-edit-tool:disabled { opacity: .5; }
html[data-drawer-mode="vela"] .zoom-float .btn { color: var(--ink); }
html[data-drawer-mode="vela"] .shell-account-bar .shell-account-btn { background: var(--paper); border-color: var(--paper-line); }

/* ---- canvas ground: white with faint dots ---- */
html[data-drawer-mode="vela"][data-theme="light"] .canvas-shell {
  background-color: #fff !important;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='24' height='24'><circle cx='12' cy='12' r='1' fill='%23dfe7ea'/></svg>") !important;
  background-size: 24px 24px !important;
}

/* ---- brand mark = drawer trigger (top-left, where it already sits) ---- */
html[data-drawer-mode="vela"] .board-brand {
  pointer-events: auto !important;
  cursor: pointer;
}
.board-brand .board-brand-mark { transition: box-shadow .15s; }
.board-brand:hover .board-brand-mark,
.board-brand[aria-expanded="true"] .board-brand-mark {
  box-shadow: 0 0 0 3px rgba(219, 76, 132, .22), var(--shadow-soft);
}
.board-brand:focus-visible { outline: 2px solid var(--brand); outline-offset: 3px; border-radius: 8px; }

/* ---- search entry: top-right of the canvas, left of the dock ---- */
.shell-search {
  position: absolute;
  top: 16px;
  right: calc(var(--rail-w, 56px) + 12px);
  z-index: 40; /* below the dock (45): an open panel covers it */
  width: 220px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0 6px 0 11px;
  border: 1px solid var(--paper-line);
  border-radius: 10px;
  background: var(--paper);
  color: var(--ink-soft);
  font: 13px var(--font);
  cursor: pointer;
  box-shadow: var(--press);
}
.shell-search:hover { background: #fff; }
.shell-search svg { width: 14px; height: 14px; flex: none; }
.shell-search span { flex: 1; text-align: left; }
.shell-search kbd,
.shell-search-box kbd {
  font: 600 11px var(--font);
  padding: 2px 6px;
  border: 0;
  border-radius: 6px;
  color: var(--ink-soft);
  background: rgba(80, 55, 30, .06);
}

/* ---- left drawer: a floating card summoned from the brand mark ---- */
.shell-scrim {
  position: absolute;
  inset: 0;
  z-index: 54;
  background: rgba(70, 45, 20, .06);
}
.shell-drawer {
  position: absolute;
  top: 60px;
  left: 12px;
  bottom: 12px;
  width: min(421px, calc(100vw - 24px));
  z-index: 55;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--paper-line);
  border-radius: 16px;
  background: var(--dock);
  box-shadow: 0 18px 44px rgba(90, 60, 30, .16);
  animation: shell-in .16s ease-out;
}
.shell-drawer[hidden], .shell-scrim[hidden], .shell-search-pop[hidden] { display: none !important; }
@keyframes shell-in { from { transform: translateY(-6px); } to { transform: none; } }
.shell-drawer-body { flex: 1; min-height: 0; overflow: auto; padding: 12px 10px 8px; }
.shell-new {
  width: 100%;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  border: 0;
  border-radius: 11px;
  background: var(--brand);
  color: #fff;
  font: 600 14px var(--font);
  letter-spacing: .02em;
  cursor: pointer;
}
.shell-new:hover { background: #c43e72; }
.shell-new svg { width: 15px; height: 15px; }
.shell-sec { margin-top: 18px; }
.shell-ghost {
  height: 24px;
  padding: 0 9px;
  border: 1px solid var(--paper-line);
  border-radius: 7px;
  background: transparent;
  color: var(--brand);
  font: 600 11.5px var(--font);
  letter-spacing: 0;
  text-transform: none;
  cursor: pointer;
}
.shell-ghost:hover { background: var(--accent-soft); }
.shell-list { margin: 0; padding: 0; list-style: none; }
.shell-row {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 8px 10px 8px 12px;
  border: 0;
  border-radius: 10px;
  background: transparent;
  color: var(--ink);
  text-align: left;
  cursor: pointer;
  position: relative;
}
.shell-row b { font: 600 13.5px/1.25 var(--font); }
.shell-row span:not(.shell-row-main), .shell-row-main > span { font: 12px/1.3 var(--font); color: var(--ink-soft); }
.shell-row.is-active::before {
  content: "";
  position: absolute;
  left: 3px; top: 9px; bottom: 9px;
  width: 3px;
  border-radius: 2px;
  background: var(--brand);
}
.shell-row-dir { flex-direction: row; align-items: center; gap: 10px; }
.shell-row-main { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.shell-row-link { cursor: pointer; }
.shell-dir {
  flex: none;
  width: 22px; height: 22px;
  border-radius: 50%;
  display: grid; place-items: center;
  background: var(--wash);
  color: var(--ink-soft);
}
.shell-dir svg { width: 12px; height: 12px; }
.shell-dir.is-out { background: var(--accent-soft); color: var(--brand); }

/* shared section: the list of boards I shared (a tab, see 09-shell-tabs.css) */
.shell-row-acts { display: none; gap: 4px; }
.shell-row-link:hover .shell-row-acts,
.shell-row-link:focus-within .shell-row-acts { display: flex; }
.shell-row-acts button {
  height: 24px;
  padding: 0 8px;
  border: 1px solid var(--paper-line);
  border-radius: 7px;
  background: #fff;
  color: var(--ink);
  font: 600 11.5px var(--font);
  cursor: pointer;
}
.shell-drawer-foot {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-top: 1px solid var(--paper-line);
}
.shell-avatar {
  width: 30px; height: 30px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--brand); color: #fff; font: 650 13px var(--font);
}
.shell-drawer-foot div { flex: 1; min-width: 0; display: flex; flex-direction: column; line-height: 1.25; }
.shell-drawer-foot b { font: 600 13px var(--font); color: var(--ink); }
.shell-drawer-foot span:not(.shell-avatar) { font-size: 11.5px; color: var(--ink-soft); overflow: hidden; text-overflow: ellipsis; }
.shell-drawer-foot button {
  width: 30px; height: 30px; display: grid; place-items: center;
  border: 0; border-radius: 8px; background: transparent; color: var(--ink-soft); cursor: pointer;
}
.shell-drawer-foot button:hover { background: var(--wash); }
.shell-drawer-foot svg { width: 16px; height: 16px; }

/* ---- search overlay: from the pill or ⌘K ---- */
.shell-search-pop {
  position: absolute;
  top: 72px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 70;
  width: min(600px, 92vw);
  padding: 10px 10px 12px;
  border: 1px solid var(--paper-line);
  border-radius: 16px;
  background: var(--dock);
  box-shadow: 0 24px 60px rgba(70, 45, 20, .2);
}
.shell-search-box {
  display: flex;
  align-items: center;
  gap: 10px;
  height: 46px;
  padding: 0 12px;
  border-radius: 11px;
  background: var(--wash);
  color: var(--ink-soft);
}
.shell-search-box svg { width: 17px; height: 17px; flex: none; }
.shell-search-box input {
  flex: 1; min-width: 0; border: 0; outline: 0; background: transparent;
  color: var(--ink); font: 15px var(--font);
}
.shell-search-label {
  margin: 12px 0 2px;
  padding: 0 12px;
  font: 600 11px/1 var(--font);
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--ink-soft);
}


/* ---- top row and canvas floats: bigger, borderless solid fill (no bar behind them) ---- */
[data-theme="light"] { --fill: #f3ede2; --fill-hover: #ebe3d4; }
html[data-drawer-mode="vela"] .top-float { top: 12px; }
html[data-drawer-mode="vela"] .board-edit-tools,
html[data-drawer-mode="vela"] .flowchart-edit-tools { gap: 8px; }
html[data-drawer-mode="vela"] .board-edit-tool,
html[data-drawer-mode="vela"] .flowchart-edit-tool {
  height: 40px !important;
  min-width: 40px !important;
  padding: 0 15px !important;
  gap: 7px !important;
  border: 0 !important;
  border-radius: 12px !important;
  background: var(--fill) !important;
  box-shadow: none !important;
  color: var(--ink) !important;
  font: 600 13.5px var(--font) !important;
}
html[data-drawer-mode="vela"] .board-edit-tool:hover:not(:disabled),
html[data-drawer-mode="vela"] .flowchart-edit-tool:hover:not(:disabled) { background: var(--fill-hover) !important; }
html[data-drawer-mode="vela"] .board-edit-tool:disabled,
html[data-drawer-mode="vela"] .flowchart-edit-tool:disabled { opacity: .45; }
html[data-drawer-mode="vela"] .flowchart-edit-tool#btnFlowchartLink.is-active {
  background: color-mix(in srgb, var(--accent, #db4c84) 18%, var(--fill, var(--panel-solid))) !important;
  color: var(--accent, #db4c84) !important;
}
html[data-drawer-mode="vela"] .board-edit-glyph { font-size: 17px; }
html[data-drawer-mode="vela"] .board-brand { height: 40px; padding-right: 12px; margin-right: 4px; }
html[data-drawer-mode="vela"] .board-brand-mark { width: 34px; height: 34px; border-radius: 10px; }

.shell-search {
  top: 12px;
  width: 240px;
  height: 40px;
  padding: 0 8px 0 14px;
  border: 0;
  border-radius: 12px;
  background: var(--fill);
  box-shadow: none;
  font: 14px var(--font);
}
.shell-search:hover { background: var(--fill-hover); }
.shell-search svg { width: 16px; height: 16px; }
.shell-search kbd { background: rgba(255, 255, 255, .7); }

html[data-drawer-mode="vela"] .zoom-float,
html[data-drawer-mode="vela"] .group-tab-float {
  border: 0 !important;
  border-radius: 12px;
  background: var(--fill) !important;
  box-shadow: none;
}
html[data-drawer-mode="vela"] .group-tab { width: 36px; height: 36px; border-radius: 9px; font-size: 14px; }
html[data-drawer-mode="vela"] .group-tab:hover { background: var(--fill-hover); }
html[data-drawer-mode="vela"] .group-tab.is-active { background: rgba(219, 76, 132, .14); }
html[data-drawer-mode="vela"] .zoom-float .btn { height: 32px; min-width: 32px; font-size: 13px; }
html[data-drawer-mode="vela"] .zoom-float .btn:hover { background: var(--fill-hover); }
.shell-drawer { top: 64px; }

/* ---- right dock in the same language: wider rail, borderless fills, bigger controls ---- */
[data-theme="light"] { --rail-w: 56px; }
html[data-drawer-mode="vela"] .vela-dock[data-open=""] { width: var(--rail-w); }
html[data-drawer-mode="vela"] .vela-dock-rail {
  flex: 0 0 var(--rail-w);
  width: var(--rail-w);
  gap: 6px;
  padding: 12px 0 104px;
}
html[data-drawer-mode="vela"] .vela-dock-tab {
  width: 40px; height: 40px; min-height: 40px; max-height: 40px;
  border-radius: 12px;
  background: var(--fill);
  color: var(--ink-soft);
}
html[data-drawer-mode="vela"] .vela-dock-tab:hover:not(.is-active) { background: var(--fill-hover); color: var(--ink); }
html[data-drawer-mode="vela"] .vela-dock-tab.is-active { background: rgba(219, 76, 132, .14); color: var(--brand); box-shadow: none; }
html[data-drawer-mode="vela"] .vela-dock-tab.is-active::before { display: none; }
html[data-drawer-mode="vela"] .vela-dock-tab-icon { width: 20px; height: 20px; }
html[data-drawer-mode="vela"] .vela-dock-help-glyph { font-size: 16px; }
html[data-drawer-mode="vela"] .group-tab-float { right: calc(var(--rail-w) + 8px); }
html[data-drawer-mode="vela"] .shell-account-bar { right: 8px; width: 40px; bottom: 12px; gap: 6px; }
html[data-drawer-mode="vela"] .shell-account-bar .shell-cloud-status,
html[data-drawer-mode="vela"] .shell-account-bar .shell-account-btn,
html[data-drawer-mode="vela"] .shell-account-bar #btnShellSignIn {
  width: 40px; height: 40px; min-width: 40px; border: 0; border-radius: 12px;
  background: var(--fill); box-shadow: none;
}
html[data-drawer-mode="vela"] .shell-account-bar .shell-cloud-status:hover,
html[data-drawer-mode="vela"] .shell-account-bar .shell-account-btn:hover { background: var(--fill-hover); }
html[data-drawer-mode="vela"] .shell-account-bar .shell-account-chip { width: 40px; height: 40px; max-width: 40px; border-radius: 12px; background: var(--fill); }
html[data-drawer-mode="vela"] .shell-account-bar .shell-account-avatar { width: 26px; height: 26px; font-size: 11px; }
html[data-drawer-mode="vela"] .shell-account-bar .shell-account-sign-icon { width: 17px; height: 17px; }
html[data-drawer-mode="vela"] .shell-account-bar .shell-cloud-status-icon { width: 18px; height: 18px; }

/* panels */
html[data-drawer-mode="vela"] .vela-dock-panel { padding: 20px 20px 24px; gap: 14px; }
/* Properties still scrolls when the fields are taller than the window; it just draws no scrollbar */
html[data-drawer-mode="vela"] [data-dock-panel="props"] { scrollbar-width: none; }
html[data-drawer-mode="vela"] [data-dock-panel="props"]::-webkit-scrollbar { display: none; }
html[data-drawer-mode="vela"] .vela-dock .props-head { border-bottom-color: var(--paper-line); padding-bottom: 14px; }
html[data-drawer-mode="vela"] .vela-dock .props-head strong,
html[data-drawer-mode="vela"] .vela-dock .dock-source-head strong { font-size: 16px; font-weight: 650; letter-spacing: -.01em; }
html[data-drawer-mode="vela"] .vela-dock .props-label,
html[data-drawer-mode="vela"] .vela-dock .style-section-label { font-size: 12px; font-weight: 600; color: var(--ink-soft); letter-spacing: .02em; }
html[data-drawer-mode="vela"] .vela-dock .props-empty,
html[data-drawer-mode="vela"] .vela-dock .style-hint,
html[data-drawer-mode="vela"] .vela-dock .export-type-hint { font-size: 12px; color: var(--ink-soft); }
html[data-drawer-mode="vela"] .style-block + .style-block { border-top-color: var(--paper-line); }
html[data-drawer-mode="vela"] .vela-dock .style-block.is-disabled {
  opacity: 0.42;
}
html[data-drawer-mode="vela"] .vela-dock .style-block.is-disabled input {
  pointer-events: none;
  cursor: not-allowed;
}

html[data-drawer-mode="vela"] .props-fields[hidden],
html[data-drawer-mode="vela"] .props-empty[hidden],
html[data-drawer-mode="vela"] .props-field[hidden],
html[data-drawer-mode="vela"] .vela-dock [hidden] {
  display: none !important;
}

html[data-drawer-mode="vela"] .vela-dock #diagramThemeSelect,
html[data-drawer-mode="vela"] .vela-dock #boardTypeEditor,
html[data-drawer-mode="vela"] .vela-dock #boardTitleEditor,
html[data-drawer-mode="vela"] .vela-dock #boardDirEditor,
html[data-drawer-mode="vela"] .vela-dock #boardIconSec,
html[data-drawer-mode="vela"] .vela-dock #boardAlignEditor,
html[data-drawer-mode="vela"] .vela-dock #boardJustifyEditor,
html[data-drawer-mode="vela"] .vela-dock #boardArrowEditor,
html[data-drawer-mode="vela"] .vela-dock #boardCapEditor,
html[data-drawer-mode="vela"] .vela-dock #boardIdEditor,
html[data-drawer-mode="vela"] .vela-dock #flowchartTypeEditor,
html[data-drawer-mode="vela"] .vela-dock #flowchartTitleEditor,
html[data-drawer-mode="vela"] .vela-dock #flowchartIdEditor,
html[data-drawer-mode="vela"] .vela-dock #flowchartDirEditor {
  border: 0; border-radius: 12px; min-height: 40px; padding: 10px 14px;
  background: var(--fill); color: var(--ink); font-size: 14px;
}
html[data-drawer-mode="vela"] .vela-dock #diagramThemeSelect:focus,
html[data-drawer-mode="vela"] .vela-dock #boardTypeEditor:focus,
html[data-drawer-mode="vela"] .vela-dock #boardTitleEditor:focus,
html[data-drawer-mode="vela"] .vela-dock #boardDirEditor:focus,
html[data-drawer-mode="vela"] .vela-dock #boardIconSec:focus,
html[data-drawer-mode="vela"] .vela-dock #boardAlignEditor:focus,
html[data-drawer-mode="vela"] .vela-dock #boardJustifyEditor:focus,
html[data-drawer-mode="vela"] .vela-dock #boardArrowEditor:focus,
html[data-drawer-mode="vela"] .vela-dock #boardCapEditor:focus,
html[data-drawer-mode="vela"] .vela-dock #boardIdEditor:focus,
html[data-drawer-mode="vela"] .vela-dock #flowchartTypeEditor:focus,
html[data-drawer-mode="vela"] .vela-dock #flowchartTitleEditor:focus,
html[data-drawer-mode="vela"] .vela-dock #flowchartIdEditor:focus,
html[data-drawer-mode="vela"] .vela-dock #flowchartDirEditor:focus { background: #fff; box-shadow: 0 0 0 2px rgba(219, 76, 132, .32); }
html[data-drawer-mode="vela"] .vela-dock .props-arrow-reverse,
html[data-drawer-mode="vela"] .vela-dock .props-id-copy { border: 0; border-radius: 12px; background: var(--fill); }

html[data-drawer-mode="vela"] .vela-dock .btn,
html[data-drawer-mode="vela"] .vela-dock .props-seg-btn {
  border: 0; border-radius: 12px; background: var(--fill); color: var(--ink);
  font: 600 13.5px var(--font); box-shadow: none;
}
html[data-drawer-mode="vela"] .vela-dock .btn:hover,
html[data-drawer-mode="vela"] .vela-dock .props-seg-btn:hover { background: var(--fill-hover); }
html[data-drawer-mode="vela"] .vela-dock .props-seg-btn { height: 40px; }
html[data-drawer-mode="vela"] .vela-dock .props-seg-btn[aria-pressed="true"] {
  background: rgba(219, 76, 132, .14); color: var(--brand); font-weight: 650;
}
html[data-drawer-mode="vela"] #stylePanel .props-seg-btn { height: 40px; border-radius: 12px; }
html[data-drawer-mode="vela"] #boardLayoutSection .props-route-seg { padding: 4px; border-radius: 12px; background: var(--fill); box-shadow: none; }
html[data-drawer-mode="vela"] #boardLayoutSection .props-route-seg .props-seg-btn { height: 32px; border-radius: 9px; background: transparent; font-size: 12.5px; box-shadow: none; }
html[data-drawer-mode="vela"] #boardLayoutSection .props-route-seg .props-seg-btn + .props-seg-btn { box-shadow: none; }
html[data-drawer-mode="vela"] #boardLayoutSection .props-route-seg .props-seg-btn[aria-pressed="true"] { background: #fff; color: var(--ink); box-shadow: 0 1px 2px rgba(80, 55, 30, .14); }
html[data-drawer-mode="vela"] .export-actions .btn { height: 40px; }
html[data-drawer-mode="vela"] .export-type-row { border: 0; border-radius: 12px; background: var(--fill); }
html[data-drawer-mode="vela"] .dock-source-actions .btn { height: 34px; min-height: 34px; border-radius: 10px; }
html[data-drawer-mode="vela"] .board-editor-wrap { border: 0; border-radius: 12px; background: var(--fill); }
html[data-drawer-mode="vela"] .dock-source-foot .btn-delete { height: 34px; color: var(--danger); }

/* group tabs keep the light surface so the active pink state reads clearly */
html[data-drawer-mode="vela"] .group-tab-float {
  background: var(--paper) !important;
  border: 1px solid var(--paper-line) !important;
  box-shadow: var(--press);
}
html[data-drawer-mode="vela"] .group-tab:hover { background: var(--wash); }
html[data-drawer-mode="vela"] .group-tab.is-active { background: rgba(219, 76, 132, .14); color: var(--brand); }


/* the shared-by-me row that is the board open now */
.shell-here {
  flex: none;
  font: 600 10.5px/1 var(--font);
  font-style: normal;
  letter-spacing: .02em;
  padding: 4px 7px;
  border-radius: 999px;
  background: #fff;
  color: var(--brand);
  box-shadow: var(--press);
}
.shell-row-link.is-current:hover .shell-here,
.shell-row-link.is-current:focus-within .shell-here { display: none; }

/* product intro: an icon at the far right of the account row */
.shell-foot-icon {
  width: 30px; height: 30px; display: grid; place-items: center; flex: none;
  border-radius: 8px; color: var(--ink-soft); text-decoration: none;
}
.shell-foot-icon:hover { background: var(--wash); color: var(--ink); }
.shell-foot-icon svg { width: 16px; height: 16px; }

/* Mine: per-row delete, revealed on hover/focus */
.shell-mine-item { position: relative; }
.shell-mine-del {
  display: none;
  position: absolute; right: 8px; top: 50%; transform: translateY(-50%);
  width: 24px; height: 24px;
  border: 0; border-radius: 7px; background: transparent;
  color: var(--ink-soft); font: 400 16px/1 var(--font); cursor: pointer;
}
.shell-mine-item:hover .shell-mine-del,
.shell-mine-item:focus-within .shell-mine-del { display: block; }
.shell-mine-del:hover { background: var(--wash); color: var(--danger); }
.shell-empty { margin: 8px 12px; font: 12.5px/1.4 var(--font); color: var(--ink-soft); }
.shell-drawer:focus { outline: none; }
.shell-drawer-foot button[hidden] { display: none; }

.shell-row-acts button.is-danger { color: var(--danger); }
.shell-shared .shell-list .shell-empty { padding: 4px 12px 8px; }
.shell-ghost:disabled { opacity: .45; cursor: default; }
.shell-ghost:disabled:hover { background: transparent; }

/* a Shared row: title and note, with the one action (Stop) at the right on hover / focus; the rest is in the Share dialog */
.shell-row-link .shell-row-main b { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.shell-row-link .shell-row-acts { position: absolute; right: 8px; top: 50%; transform: translateY(-50%); }
.shell-row-link .shell-row-acts button { height: 24px; padding: 0 10px; font-size: 11.5px; }
.shell-row-link:focus-visible { outline: 2px solid var(--brand); outline-offset: -2px; }

.shell-search-results { max-height: min(420px, 60vh); overflow: auto; padding: 0 6px 8px; }
.shell-search-results .shell-row b { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.shell-search-results .shell-empty { margin: 10px 8px; }
.shell-search-results .shell-row.is-picked { background: var(--wash); }

/* Mine: the list fills the drawer and scrolls on its own (layout in 09-shell-tabs.css); Load more is its last row (only visible at the bottom) */
/* the last row is a state, not a button: blank until it is reached, then "Loading more" + cycling dots */
.shell-more-item { min-height: 30px; padding: 7px 12px; text-align: center; color: var(--ink-soft); font: 500 12px var(--font); }
.shell-dots i { font-style: normal; animation: shell-dot 0.9s steps(1, end) infinite; }
.shell-dots i:nth-child(1) { animation-name: shell-dot-1; }
.shell-dots i:nth-child(2) { animation-name: shell-dot-2; }
.shell-dots i:nth-child(3) { animation-name: shell-dot-3; }
/* each dot is always laid out (fixed width) and only its opacity changes, so the text never shifts */
@keyframes shell-dot-1 { 0% { opacity: 1; } }
@keyframes shell-dot-2 { 0% { opacity: 0; } 33.3% { opacity: 1; } }
@keyframes shell-dot-3 { 0% { opacity: 0; } 66.6% { opacity: 1; } }
@media (prefers-reduced-motion: reduce) { .shell-dots i { animation: none !important; opacity: 1 !important; } }

/* sign-in choice: a small menu above the account row (outside the footer, whose button rules are for icons) */
.shell-auth-menu {
  position: absolute; left: 12px; bottom: 62px; z-index: 3;
  display: flex; flex-direction: column; min-width: 12rem; padding: 4px;
  border: 1px solid var(--stroke, #e5e7eb); border-radius: 10px;
  background: var(--panel-solid, #fff); box-shadow: 0 10px 28px rgba(15, 23, 42, .16);
}
.shell-auth-menu[hidden] { display: none; }

/* drawer account row: the whole avatar + name area; interactive only while signed out */
.shell-drawer-foot button.shell-account {
  flex: 1; width: auto; height: auto; min-width: 0;
  display: flex; align-items: center; gap: 10px;
  margin: -4px -6px; padding: 4px 6px;
  text-align: left; cursor: default; border-radius: 10px;
}
.shell-drawer-foot button.shell-account:hover { background: transparent; }
.shell-account-text { flex: 1; min-width: 0; display: flex; flex-direction: column; line-height: 1.25; }
.shell-drawer-foot button.shell-account.is-signin { cursor: pointer; }
.shell-drawer-foot button.shell-account.is-signin:hover { background: var(--wash); }
.shell-drawer-foot button.shell-account.is-signin:active { background: color-mix(in srgb, var(--wash) 80%, var(--ink) 8%); }
.shell-drawer-foot button.shell-account:focus-visible { outline: 2px solid var(--brand); outline-offset: 1px; }

/* LB-303 spacing: rows breathe, and Shared's header keeps clear of its first row */
.shell-list { display: flex; flex-direction: column; gap: 2px; }
.shell-shared .shell-list { padding-bottom: 4px; }
.shell-sec + .shell-sec { margin-top: 22px; }

/* --- 09-create-kind-dialog.css --- */
/* drawer-app/09-create-kind-dialog.css — create-kind list; search-pop chrome */
.create-kind-pop {
  position: relative;
  box-sizing: border-box;
  width: min(600px, 100%);
  padding: 10px 10px 12px;
  border: 1px solid var(--paper-line, rgba(120, 80, 40, .1));
  border-radius: 16px;
  background: var(--dock, #fdfaf4);
  box-shadow: 0 24px 60px rgba(70, 45, 20, .2);
}
.create-kind-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 6px 12px 4px;
}
.create-kind-head h2 {
  margin: 0;
  font: 650 16px/1.25 var(--font);
  color: var(--ink, #4a3524);
}
.create-kind-head p {
  margin: 0;
  font: 12px/1.3 var(--font);
  color: var(--ink-soft, #8b7358);
}
.create-kind-box {
  display: flex;
  align-items: center;
  gap: 10px;
  height: 46px;
  margin: 6px 0 4px;
  padding: 0 12px;
  border-radius: 11px;
  background: var(--wash, rgba(80, 55, 30, .05));
  color: var(--ink-soft, #8b7358);
}
.create-kind-box svg { width: 17px; height: 17px; flex: none; }
.create-kind-box input {
  flex: 1;
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--ink, #4a3524);
  font: 15px var(--font);
}
.create-kind-box kbd {
  font: 600 11px var(--font);
  padding: 2px 6px;
  border: 0;
  border-radius: 6px;
  color: var(--ink-soft, #8b7358);
  background: rgba(255, 255, 255, .7);
}
.create-kind-list {
  max-height: min(420px, 60vh);
  overflow: auto;
  padding: 0 2px 4px;
}
.create-kind-label {
  margin: 12px 0 2px;
  padding: 0 12px;
  font: 600 11px/1 var(--font);
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--ink-soft, #8b7358);
}
.create-kind-row {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px 8px 12px;
  border: 0;
  border-radius: 10px;
  background: transparent;
  color: var(--ink, #4a3524);
  text-align: left;
  cursor: pointer;
  position: relative;
}
.create-kind-row:hover:not(:disabled):not(.is-picked) { background: var(--wash, rgba(80, 55, 30, .05)); }
.create-kind-row.is-picked { background: var(--accent-soft, rgba(219, 76, 132, .1)); }
.create-kind-row.is-picked::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 9px;
  bottom: 9px;
  width: 3px;
  border-radius: 2px;
  background: var(--accent, #db4c84);
}
.create-kind-row:disabled {
  opacity: .45;
  cursor: default;
}
.create-kind-main { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.create-kind-main b { font: 600 13.5px/1.25 var(--font); }
.create-kind-main span { font: 12px/1.3 var(--font); color: var(--ink-soft, #8b7358); }
.create-kind-empty {
  margin: 10px 8px;
  font: 12.5px/1.4 var(--font);
  color: var(--ink-soft, #8b7358);
}

/* --- 09-share-dialog.css --- */
/* drawer-app/09-share-dialog.css — the Share dialog (shell: .shell-dialog in 06-sign-in.css) */
.share-sheet { width: min(440px, 100%); }
.share-sheet .share-board { margin: 0 0 4px; color: var(--text); font: 600 14px/1.35 var(--font); overflow-wrap: anywhere; }
.share-pane[hidden] { display: none; }
.share-pane > p { margin: 10px 0 14px; }
.share-wide { width: 100%; height: 38px; justify-content: center; }
.share-label { margin: 16px 0 6px; color: var(--muted); font: 600 12px/1.3 var(--font); }
.share-link-row { display: flex; gap: 8px; }
.share-link-row input {
  flex: 1;
  min-width: 0;
  height: 34px;
  padding: 0 10px;
  border: 1px solid var(--stroke);
  border-radius: 10px;
  background: color-mix(in srgb, var(--text) 4%, transparent);
  color: var(--text);
  font: 12.5px var(--mono);
  text-overflow: ellipsis;
}
.share-link-row .btn { height: 34px; min-width: 68px; justify-content: center; }
.share-seg { display: flex; gap: 2px; padding: 3px; border-radius: 11px; background: color-mix(in srgb, var(--text) 6%, transparent); }
.share-seg button {
  flex: 1;
  height: 30px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  font: 600 13px var(--font);
  cursor: pointer;
}
.share-seg button:hover { color: var(--text); }
.share-seg button[aria-checked="true"] { background: #fff; color: var(--text); box-shadow: 0 1px 3px rgba(18, 18, 18, 0.14); }
.share-seg button:disabled { opacity: 0.45; cursor: not-allowed; }
.share-switch-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 28px;
  cursor: pointer;
}
.share-switch-name { color: var(--text); font: 600 13px/1.3 var(--font); }
.share-switch {
  flex: none;
  position: relative;
  width: 42px;
  height: 26px;
  padding: 0;
  border: 0;
  border-radius: 13px;
  background: color-mix(in srgb, var(--text) 22%, transparent);
  cursor: pointer;
}
.share-switch::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 3px rgba(18, 18, 18, 0.22);
  transition: transform 0.16s ease;
}
.share-switch[aria-checked="true"] { background: var(--ok); }
.share-switch[aria-checked="true"]::after { transform: translateX(16px); }
.share-switch:disabled { opacity: 0.45; cursor: not-allowed; }
.share-switch:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.share-switch-row:has(.share-switch:disabled) { cursor: not-allowed; }
.share-sheet .share-hint { margin: 8px 0 0; font-size: 12px; }
.share-new-row { display: flex; align-items: baseline; flex-wrap: wrap; gap: 4px 10px; margin-top: 18px; color: var(--muted); font: 12px/1.4 var(--font); }
.share-text-btn { padding: 0; border: 0; background: transparent; color: var(--accent); font: 600 12.5px var(--font); cursor: pointer; }
.share-text-btn:hover { text-decoration: underline; }
.share-foot { display: flex; justify-content: flex-end; gap: 8px; margin-top: 20px; padding-top: 14px; border-top: 1px solid var(--stroke); }
.share-foot .btn { min-width: 72px; justify-content: center; }

/* --- 09-shell-tabs.css --- */
/* drawer-app/09-shell-tabs.css — Mine / Shared tabs in the left drawer (sorts after 08-workspace-shell.css on purpose). */
.shell-tabs {
  display: flex;
  gap: 2px;
  margin: 14px 0 6px;
  padding: 3px;
  border-radius: 11px;
  background: var(--wash);
}
.shell-tab {
  flex: 1;
  min-width: 0;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--ink-soft);
  font: 600 12.5px var(--font);
  cursor: pointer;
}
.shell-tab[hidden] { display: none; }
.shell-tab em { font-style: normal; font-weight: 500; opacity: .75; }
.shell-tab:hover { color: var(--ink); }
.shell-tab[aria-selected="true"] { background: #fff; color: var(--ink); box-shadow: var(--press); }
.shell-tab:focus-visible { outline: 2px solid var(--brand); outline-offset: 1px; }

/* one list at a time */
.shell-drawer-body[data-shell-tab="mine"] #shellShared,
.shell-drawer-body[data-shell-tab="shared"] #shellMine { display: none; }
.shell-drawer-body .shell-sec,
.shell-drawer-body .shell-sec + .shell-sec { margin-top: 6px; }

/* the open board is shared, but the Shared tab is not showing: a small dot on its label */
.shell-drawer-body:not([data-shell-tab="shared"]):has(#shellSharedList .is-current) #shellTabShared span::after {
  content: "";
  display: inline-block;
  width: 6px; height: 6px;
  margin-left: 6px;
  border-radius: 50%;
  background: var(--brand);
  vertical-align: 1px;
}

/* Share this board: bottom right of the Shared page; hidden while the open board is already in the list */
.shell-share-row { flex: none; display: flex; justify-content: flex-end; padding: 8px 2px 2px; }
.shell-share-row[hidden] { display: none; }
.shell-share-row .shell-ghost { height: 32px; padding: 0 14px; border-radius: 10px; font-size: 13px; }

/* the drawer body does not scroll: New board and the tabs stay put, the open page fills the rest and scrolls inside */
.shell-drawer-body { display: flex; flex-direction: column; overflow: hidden; }
.shell-drawer-body > .shell-new,
.shell-drawer-body > .shell-tabs { flex: none; }
.shell-drawer-body .shell-sec { flex: 1; min-height: 0; display: flex; flex-direction: column; }
.shell-drawer-body .shell-sec[hidden] { display: none; }
#shellMineList { flex: 1; min-height: 0; overflow-y: auto; }
#shellSharedList { flex: 1; min-height: 0; overflow-y: auto; }

/* --- 09-shortcuts.css --- */
/* drawer-app/09-shortcuts.css — Keyboard shortcuts dialog (shell: .shell-dialog in 06-sign-in.css) */
.shortcuts-sheet {
  width: min(760px, 100%);
  max-height: calc(100vh - 48px);
  overflow: auto;
  padding: 0;
  border-color: var(--paper-line, var(--stroke));
  border-radius: 18px;
  background: #fbf7f0;
  color: var(--ink, var(--text));
}
.shortcuts-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px 16px 28px;
  border-bottom: 1px solid var(--paper-line, var(--stroke));
}
.shortcuts-sheet .shortcuts-head h2 { margin: 0; font: 650 17px/1.25 var(--font); color: var(--ink, var(--text)); }
.shortcuts-close {
  width: 32px; height: 32px;
  border: 0; border-radius: 9px;
  background: transparent;
  color: var(--ink-soft, var(--muted));
  font: 400 22px/1 var(--font);
  cursor: pointer;
}
.shortcuts-close:hover { background: var(--fill, rgba(0,0,0,.05)); color: var(--ink, var(--text)); }
.shortcuts-close:focus-visible { outline: 2px solid var(--brand, var(--accent)); outline-offset: 1px; }
.shortcuts-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 26px 40px;
  padding: 22px 28px 28px;
}
.shortcuts-group h3 {
  margin: 0 0 10px;
  font: 600 11.5px/1 var(--font);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-soft, var(--muted));
}
.shortcuts-group dl { margin: 0; }
.shortcuts-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 34px;
}
.shortcuts-row dt { font: 500 13.5px/1.3 var(--font); color: var(--ink, var(--text)); }
.shortcuts-row dd { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 5px; margin: 0; }
.shortcuts-key {
  display: inline-flex;
  align-items: center;
  min-width: 26px;
  height: 24px;
  padding: 0 7px;
  box-sizing: border-box;
  justify-content: center;
  border: 1px solid rgba(120, 80, 40, .22);
  border-bottom-width: 2px;
  border-radius: 7px;
  background: #fff;
  color: var(--ink, var(--text));
  font: 500 12px/1 var(--font);
  white-space: nowrap;
}
@media (max-width: 640px) {
  .shortcuts-grid { grid-template-columns: minmax(0, 1fr); }
}

/* the one "?" dock entry opens this small menu, to the left of the button */
.vela-help-menu {
  position: fixed;
  z-index: 170;
  display: flex;
  flex-direction: column;
  min-width: 13rem;
  padding: 4px;
  border: 1px solid var(--paper-line, var(--stroke));
  border-radius: 12px;
  background: #fbf7f0;
  box-shadow: 0 10px 28px rgba(120, 80, 40, .16);
}
.vela-help-menu[hidden] { display: none; }
.board-help-item {
  display: flex;
  align-items: center;
  gap: 10px;
  height: 36px;
  padding: 0 10px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--ink, var(--text));
  font: 600 13px var(--font);
  text-align: left;
  cursor: pointer;
}
.board-help-item svg { width: 16px; height: 16px; flex: none; color: var(--ink-soft, var(--muted)); }
.board-help-item span { flex: 1; }
.board-help-item:hover, .board-help-item:focus-visible { background: var(--fill, rgba(0,0,0,.05)); outline: none; }
.board-help-item .shortcuts-key { height: 20px; min-width: 20px; padding: 0 5px; font-size: 11px; }

/* --- 09-source-style.css --- */
/* drawer-app/09-source-style.css — Source panel as a code editor in this project's warm palette:
   paper body, tan line numbers, pink for keywords. */
[data-theme="light"] {
  --src-paper: #fffdf9;
  --src-ink: #4a3524;
  --src-num: #b09b7e;
  --src-num-on: #db4c84;
  --src-mono: "JetBrains Mono", "SF Mono", ui-monospace, Menlo, monospace;
}
html[data-drawer-mode="vela"] .vela-dock[data-open="source"] [data-dock-panel="source"] {
  padding: 0;
  gap: 0;
  background: var(--src-paper);
}

/* header: same rhythm as the Style / Export panels (title + hairline); typography comes from 08 */
html[data-drawer-mode="vela"] [data-dock-panel="source"] .dock-source-head {
  box-sizing: border-box;
  flex: none;
  height: 47px;
  min-height: 0;
  margin: 0 14px;
  padding: 3px 0 0;
  border-bottom: 1px solid var(--paper-line);
  background: transparent;
}
html[data-drawer-mode="vela"] [data-dock-panel="source"] .dock-source-identity { align-items: center; }

/* body */
html[data-drawer-mode="vela"] [data-dock-panel="source"] .dock-source-body { background: var(--src-paper); }
html[data-drawer-mode="vela"] [data-dock-panel="source"] .board-editor-wrap {
  margin: 0;
  border: 0;
  border-radius: 0;
  background: var(--src-paper);
}
html[data-drawer-mode="vela"] [data-dock-panel="source"] .source-gutter {
  padding: 16px 0 28px;
  border-right: 0;
  background: transparent;
  color: var(--src-num);
  font: 12px/1.65 var(--src-mono);
}
html[data-drawer-mode="vela"] [data-dock-panel="source"] .source-gutter-line { padding: 0 14px 0 20px; }
html[data-drawer-mode="vela"] [data-dock-panel="source"] .source-gutter-line.is-current { color: var(--src-num-on); font-weight: 700; }

html[data-drawer-mode="vela"] [data-dock-panel="source"] .source-hl-wrap { position: relative; flex: 1 1 auto; min-width: 0; display: flex; }
html[data-drawer-mode="vela"] [data-dock-panel="source"] #velaSource {
  position: relative;
  z-index: 1;
  padding: 16px 16px 28px 4px;
  font: 12px/1.65 var(--src-mono);
  tab-size: 2;
  color: transparent;
  caret-color: #4a3524;
  background: transparent;
}
html[data-drawer-mode="vela"] [data-dock-panel="source"] #velaSource::selection { background: rgba(219, 76, 132, .22); color: transparent; }
html[data-drawer-mode="vela"] [data-dock-panel="source"] #velaSource::placeholder { color: #bfae94; }
.source-hl {
  position: absolute;
  top: 0; left: 0; bottom: 0; right: 0;
  z-index: 0;
  margin: 0;
  padding: 16px 16px 28px 4px;
  overflow: hidden;
  pointer-events: none;
  font: 12px/1.65 var(--src-mono);
  tab-size: 2;
  white-space: pre-wrap;
  overflow-wrap: break-word;
  color: var(--src-ink);
}
.hl-line { display: block; }
.hl-line.is-current { background: rgba(74, 53, 36, .04); box-shadow: inset 0 1px 0 rgba(74, 53, 36, .08), inset 0 -1px 0 rgba(74, 53, 36, .08); }
.hl-line.ind-1,.hl-line.ind-2,.hl-line.ind-3,.hl-line.ind-4 { background-repeat: no-repeat; background-size: 1px 1.65em; }
.hl-line.ind-1 { background-image: linear-gradient(#e6dccb, #e6dccb); background-position: .5ch 0; }
.hl-line.ind-2 { background-image: linear-gradient(#e6dccb, #e6dccb), linear-gradient(#e6dccb, #e6dccb); background-position: .5ch 0, 2.5ch 0; }
.hl-line.ind-3 { background-image: linear-gradient(#e6dccb, #e6dccb), linear-gradient(#e6dccb, #e6dccb), linear-gradient(#e6dccb, #e6dccb); background-position: .5ch 0, 2.5ch 0, 4.5ch 0; }
.hl-line.ind-4 { background-image: linear-gradient(#e6dccb, #e6dccb), linear-gradient(#e6dccb, #e6dccb), linear-gradient(#e6dccb, #e6dccb), linear-gradient(#e6dccb, #e6dccb); background-position: .5ch 0, 2.5ch 0, 4.5ch 0, 6.5ch 0; }
.hl-kw { color: #c93a73; font-weight: 700; }
.hl-key { color: #9a7b52; }
.hl-id { color: #a85a2a; }
.hl-num { color: #a85a2a; }
.hl-str { color: #5f7f45; }
.hl-arrow { color: #7a5c3c; font-weight: 700; }
.hl-blob { color: #b5a58d; }

/* footer: a hairline closes the editor (same inset as the header's), Delete gets room above and below it,
   and the char count lines up with Delete's right edge. Only shown with Delete, so no empty band without it. */
html[data-drawer-mode="vela"] [data-dock-panel="source"] .dock-source-foot:has(.btn-delete:not([hidden])) {
  margin: 0 14px;
  padding: 0 2px;
  border-top: 1px solid var(--paper-line);
}
html[data-drawer-mode="vela"] [data-dock-panel="source"] .dock-source-foot .btn-delete { margin: 10px 0 16px; }
html[data-drawer-mode="vela"] [data-dock-panel="source"] .source-chars { right: 16px; bottom: 10px; }