/* Excalidraw-based Forge Spatial Foundation */
.whiteboard-layout {
  position: relative;
  min-width: 0;
  height: 100dvh;
  display: block;
  overflow: hidden;
  background: #f7f6f1;
}

.whiteboard-layout .board-main {
  width: 100%;
  height: 100%;
  min-width: 0;
  display: grid;
  grid-template-rows: 58px minmax(0, 1fr);
}

.whiteboard-layout .board-commandbar {
  position: relative;
  z-index: 30;
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 16px;
  background: rgba(253, 252, 249, .94);
  border-bottom: 1px solid #dedfd9;
  backdrop-filter: blur(18px);
}

.whiteboard-layout .board-breadcrumb {
  min-width: 0;
  flex: 1 1 auto;
  display: flex;
  align-items: center;
  gap: 9px;
}

.whiteboard-layout .board-breadcrumb > button {
  height: 34px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 0 9px;
  color: #41564b;
  background: #f0f4f0;
  border: 1px solid #d9e1da;
  border-radius: 7px;
  font-size: 12px;
  font-weight: 700;
}

.whiteboard-layout .board-breadcrumb > button svg {
  width: 14px;
  height: 14px;
}

.whiteboard-layout .board-breadcrumb > button svg:last-child {
  width: 11px;
}

.whiteboard-layout .board-breadcrumb i {
  color: #a1aaa5;
  font-style: normal;
}

.whiteboard-layout .board-breadcrumb input {
  min-width: 96px;
  width: 100%;
  max-width: 640px;
  padding: 4px 2px;
  color: #25322c;
  background: transparent;
  border: 0;
  outline: 0;
  font-size: 15px;
  font-weight: 650;
}

.whiteboard-layout .board-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.whiteboard-layout .board-actions .primary-button,
.whiteboard-layout .board-actions .secondary-button {
  min-height: 36px;
}

.board-insert-menu {
  position: relative;
}

.board-insert-menu > summary {
  list-style: none;
  cursor: pointer;
}

.board-insert-menu > summary::-webkit-details-marker {
  display: none;
}

.board-insert-menu > summary svg:last-child {
  width: 12px;
}

.board-insert-menu[open] > summary {
  color: #315f49;
  background: #edf3ee;
  border-color: #c9d8cd;
}

.board-insert-menu[open] > div {
  position: absolute;
  z-index: 80;
  top: calc(100% + 8px);
  right: 0;
  width: 258px;
  padding: 6px;
  background: rgba(253, 252, 249, .98);
  border: 1px solid #d9dcd6;
  border-radius: 9px;
  box-shadow: 0 18px 38px rgba(29, 42, 34, .16);
  backdrop-filter: blur(16px);
}

.board-insert-menu[open] > div > button {
  width: 100%;
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  align-items: start;
  gap: 9px;
  padding: 9px 8px;
  color: #34493c;
  text-align: left;
  background: transparent;
  border-radius: 6px;
}

.board-insert-menu[open] > div > button:hover,
.board-insert-menu[open] > div > button:focus-visible {
  background: #eef3ef;
}

.board-insert-menu[open] > div > button > svg {
  width: 16px;
  margin-top: 2px;
  color: #527965;
}

.board-insert-menu[open] strong,
.board-insert-menu[open] small {
  display: block;
}

.board-insert-menu[open] strong {
  font-size: 12px;
}

.board-insert-menu[open] small {
  margin-top: 3px;
  color: #7b8780;
  font-size: 11px;
  line-height: 1.35;
}

.whiteboard-layout .board-canvas {
  min-width: 0;
  min-height: 0;
  overflow: hidden;
}

.forge-excalidraw-canvas {
  position: relative;
  width: 100%;
  height: 100%;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  background: #fbfaf7;
}

.forge-excalidraw-canvas > .spatial-drawing-surface {
  position: absolute;
  inset: 0;
}

.forge-excalidraw-canvas .excalidraw {
  --color-primary: #3f765e;
  --color-primary-darker: #315f49;
  --color-primary-darkest: #294f3d;
  --color-surface-low: #f7f6f1;
  --color-surface-mid: #efeee8;
  font-family: "DM Sans", ui-sans-serif, system-ui, sans-serif;
}

.forge-excalidraw-canvas .excalidraw .App-toolbar {
  border: 1px solid rgba(57, 73, 64, .14);
  box-shadow: 0 10px 30px rgba(31, 42, 36, .11);
}

/* Forge posters own their drag gesture; Excalidraw's inactive embeddable
   wrapper otherwise disables pointer events for the custom renderer. */
.forge-excalidraw-canvas .excalidraw__embeddable-container__inner {
  pointer-events: auto !important;
}

.excalidraw-forge-poster {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 20px;
  color: #28342e;
  background: rgba(255, 254, 249, .98);
  border: 1px solid #b9c5bd;
  border-radius: 20px;
  box-shadow: 0 14px 34px rgba(36, 48, 41, .13), 0 2px 5px rgba(36, 48, 41, .06);
  cursor: grab;
  touch-action: none;
  user-select: none;
  pointer-events: auto;
}

.excalidraw-forge-poster:active {
  cursor: grabbing;
}

.spatial-poster-remove {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  color: #6a756f;
  background: rgba(255, 255, 255, .58);
  border: 1px solid rgba(68, 88, 77, .18);
  border-radius: 7px;
  cursor: pointer;
  opacity: .78;
  transition: color .16s ease, background .16s ease, opacity .16s ease;
}

.spatial-poster-remove:hover,
.spatial-poster-remove:focus-visible {
  color: #8b3f35;
  background: rgba(255, 247, 243, .94);
  border-color: rgba(139, 63, 53, .28);
  opacity: 1;
}

.spatial-poster-remove:focus-visible {
  outline: 2px solid rgba(63, 118, 94, .7);
  outline-offset: 2px;
}

.spatial-poster-remove svg {
  width: 14px;
  height: 14px;
}

.excalidraw-forge-poster.sage { background: #edf3eb; border-color: #a8bca8; }
.excalidraw-forge-poster.sand,
.excalidraw-forge-poster.post { background: #f7efdf; border-color: #cbb792; }
.excalidraw-forge-poster.lavender { background: #efecf7; border-color: #b9afcc; }
.excalidraw-forge-poster.blue { background: #eaf1f3; border-color: #a7bdc5; }

.excalidraw-forge-poster h3 {
  margin: 0 0 9px;
  font: 650 23px/1.08 "DM Sans", ui-sans-serif, system-ui, sans-serif;
}

.excalidraw-forge-poster p {
  display: -webkit-box;
  overflow: hidden;
  color: #59665f;
  font-size: 13px;
  line-height: 1.5;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 4;
}

.excalidraw-forge-poster footer {
  min-height: 19px;
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: auto;
}

.excalidraw-forge-poster footer i {
  color: #557162;
  font-size: 10px;
  font-style: normal;
}

.excalidraw-forge-poster > button {
  align-self: flex-start;
  margin-top: 10px;
  padding: 5px 8px;
  color: #315f49;
  background: rgba(255,255,255,.55);
  border: 1px solid rgba(49,95,73,.2);
  border-radius: 6px;
  font-size: 11px;
  font-weight: 700;
}

.canvas-library-backdrop,
.canvas-rich-card-backdrop,
.board-library-backdrop {
  position: absolute;
  z-index: 300;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(31, 38, 34, .24);
  backdrop-filter: blur(4px);
}

.canvas-note-library,
.board-library-dialog {
  width: min(760px, 100%);
  max-height: min(720px, 88vh);
  overflow: hidden;
  color: #28342e;
  background: #fbfaf7;
  border: 1px solid #d9dcd6;
  border-radius: 12px;
  box-shadow: 0 30px 80px rgba(25, 34, 29, .23);
}

.canvas-note-library > header,
.board-library-dialog > header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 19px 20px;
  border-bottom: 1px solid #e1e2dd;
}

.canvas-note-library header h2,
.board-library-dialog header h2 {
  margin-top: 0;
  font-size: 21px;
}

.canvas-note-library header button,
.board-library-dialog header button {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0 9px;
  color: #526159;
  background: transparent;
  border-radius: 7px;
  font-size: 12px;
  font-weight: 700;
}

.canvas-note-library header button:hover,
.board-library-dialog header button:hover {
  background: #eef2ee;
}

.canvas-note-library header svg,
.board-library-dialog header svg {
  width: 15px;
}

.canvas-note-library > input {
  width: calc(100% - 40px);
  height: 42px;
  margin: 16px 20px 8px;
  padding: 0 12px;
  background: #fff;
  border: 1px solid #d9dcd6;
  border-radius: 8px;
  outline: none;
}

.canvas-note-library > div:last-child {
  max-height: 520px;
  overflow-y: auto;
  padding: 8px 12px 16px;
}

.canvas-note-library > div:last-child > button {
  width: 100%;
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 10px;
  padding: 11px 9px;
  color: #2e3b34;
  text-align: left;
  background: transparent;
  border-bottom: 1px solid #e7e8e3;
}

.canvas-note-library > div:last-child > button:hover { background: #eff3ef; }
.canvas-note-library > div:last-child svg { width: 17px; color: #64806f; }
.canvas-note-library strong,
.canvas-note-library small { display: block; }
.canvas-note-library small { margin-top: 4px; color: #7a857f; font-size: 11px; }
.canvas-note-library-empty {
  margin: 8px 9px 0;
  padding: 24px 14px 28px;
  color: #748078;
  text-align: center;
  font-size: 13px;
  line-height: 1.5;
}

.canvas-rich-card-backdrop {
  z-index: 350;
  padding: 18px;
}

.canvas-rich-card-editor {
  width: min(1040px, calc(100% - 36px));
  height: min(860px, calc(100% - 36px));
  max-height: calc(100% - 36px);
  min-height: 0;
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr) auto auto;
  overflow: hidden;
  color: #28342e;
  background: #fbfaf7;
  border: 1px solid #d8dad5;
  border-radius: 12px;
  box-shadow: 0 34px 90px rgba(25, 34, 29, .28);
}

.canvas-rich-card-editor > header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 24px 14px;
}

.canvas-rich-card-editor > header > div { min-width: 0; flex: 1; }
.canvas-rich-card-editor > header input {
  width: 100%;
  padding: 2px 0;
  color: #24322b;
  background: transparent;
  border: 0;
  outline: 0;
  font: 650 clamp(25px, 3vw, 36px)/1.1 "DM Sans", ui-sans-serif, system-ui, sans-serif;
}

.canvas-rich-card-editor > header > button {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  color: #647068;
  background: transparent;
  border-radius: 7px;
}

.canvas-card-tags {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  align-items: center;
  gap: 8px;
  padding: 0 24px 12px;
  color: #758078;
  font-size: 11px;
  font-weight: 700;
}

.canvas-card-tags input {
  height: 34px;
  padding: 0 10px;
  background: #fff;
  border: 1px solid #dedfd9;
  border-radius: 7px;
  outline: 0;
  font-size: 12px;
}

.canvas-rich-editor-surface {
  min-height: 0;
  overflow: auto;
  margin: 0 20px;
  background: #fffefa;
  border: 1px solid #dedfd9;
  border-radius: 9px;
}

.canvas-rich-editor-surface .rich-editor {
  min-height: 100%;
}

.canvas-rich-editor-surface .editor-toolbar {
  position: sticky;
  z-index: 4;
  top: 0;
}

.canvas-rich-editor-surface .editor-surface {
  min-height: 420px;
}

.canvas-rich-card-editor > p[role="alert"] {
  padding: 9px 24px 0;
  color: #9a3e34;
  font-size: 12px;
}

.canvas-rich-card-editor > footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 20px 18px;
}

.canvas-rich-card-editor > footer > div {
  display: flex;
  align-items: center;
  gap: 8px;
}

.canvas-card-colors button {
  width: 22px;
  height: 22px;
  border: 2px solid transparent;
  border-radius: 50%;
  box-shadow: 0 0 0 1px rgba(45, 58, 51, .16);
}

.canvas-card-colors button.sage { background: #c7d9c4; }
.canvas-card-colors button.sand { background: #e7d3ae; }
.canvas-card-colors button.lavender { background: #d4cbe5; }
.canvas-card-colors button.blue { background: #c6d9df; }
.canvas-card-colors button.active { border-color: #fff; box-shadow: 0 0 0 2px #3f765e; }

.board-library-dialog { width: min(920px, 100%); }
.board-library-dialog > header > div:last-child { display: flex; align-items: center; gap: 6px; }
.board-library-grid {
  max-height: min(620px, 72vh);
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 12px;
  overflow-y: auto;
  padding: 18px;
}

.board-library-grid > button {
  min-width: 0;
  padding: 10px;
  color: #2d3b34;
  text-align: left;
  background: #fffefa;
  border: 1px solid #dedfd9;
  border-radius: 9px;
}

.board-library-grid > button:hover,
.board-library-grid > button.active {
  border-color: #83a28f;
  box-shadow: 0 8px 24px rgba(42, 58, 49, .09);
}

.board-library-preview {
  position: relative;
  display: block;
  overflow: hidden;
  height: 116px;
  margin-bottom: 10px;
  color: #72917f;
  background:
    linear-gradient(rgba(53,77,64,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(53,77,64,.035) 1px, transparent 1px),
    #f5f6f1;
  background-size: 18px 18px;
  border-radius: 6px;
}

.board-library-preview-stage {
  position: absolute;
  inset: 0;
}

.board-library-preview-empty {
  display: grid;
  place-items: center;
}

.board-library-preview-empty svg { width: 28px; }

.board-library-preview-poster,
.board-library-preview-shape,
.board-library-preview-text,
.board-library-preview-image,
.board-library-preview-frame,
.board-library-preview-stroke {
  position: absolute;
  box-sizing: border-box;
  pointer-events: none;
}

.board-library-preview-poster {
  min-width: 18px;
  min-height: 12px;
  overflow: hidden;
  padding: 3px 4px;
  color: #304137;
  background: #fffefa;
  border: 1px solid rgba(67, 93, 77, .34);
  border-radius: 3px;
  box-shadow: 0 2px 5px rgba(33, 48, 40, .12);
  font-size: 7px;
  font-weight: 750;
  line-height: 1.08;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.board-library-preview-poster.card {
  background: #e5efe2;
}

.board-library-preview-poster.note {
  background: #fffefa;
}

.board-library-preview-shape {
  min-width: 3px;
  min-height: 3px;
  border: 1px solid rgba(51, 68, 59, .42);
}

.board-library-preview-shape.ellipse {
  border-radius: 999px;
}

.board-library-preview-shape.diamond {
  transform: rotate(45deg) scale(.72);
}

.board-library-preview-text {
  overflow: hidden;
  color: #3c5145;
  font-size: 7px;
  font-weight: 650;
  line-height: 1.1;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.board-library-preview-image {
  min-width: 8px;
  min-height: 8px;
  background:
    linear-gradient(135deg, rgba(76, 126, 151, .52), transparent 52%),
    linear-gradient(35deg, rgba(221, 173, 93, .6), rgba(238, 242, 237, .8));
  border: 1px solid rgba(54, 76, 64, .24);
  border-radius: 2px;
}

.board-library-preview-frame {
  min-width: 12px;
  min-height: 12px;
  padding: 2px;
  overflow: hidden;
  color: #6f8376;
  border: 1px dashed rgba(75, 103, 87, .5);
  border-radius: 3px;
  font-size: 6px;
  font-weight: 700;
  line-height: 1;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.board-library-preview-stroke {
  height: 1px;
  min-width: 5px;
  background: rgba(51, 68, 59, .55);
  transform-origin: left center;
}

.board-library-grid strong,
.board-library-grid small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.board-library-grid strong { font-size: 13px; }
.board-library-grid small { margin-top: 4px; color: #7d8781; font-size: 11px; }

@media (max-width: 720px) {
  .whiteboard-layout .board-commandbar {
    min-height: 58px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 8px;
    padding-right: 8px;
    padding-left: 56px;
  }
  .whiteboard-layout .board-breadcrumb {
    min-width: 0;
    gap: 5px;
    overflow: hidden;
  }
  .whiteboard-layout .board-breadcrumb i { display: none; }
  .whiteboard-layout .board-breadcrumb > button {
    width: 34px;
    min-width: 34px;
    height: 34px;
    padding: 0;
    justify-content: center;
    font-size: 0;
  }
  .whiteboard-layout .board-breadcrumb > button svg:last-child,
  .board-save-state,
  .whiteboard-layout .board-actions > .secondary-button {
    display: none;
  }
  .whiteboard-layout .board-insert-menu > summary {
    width: 36px;
    padding: 0;
    justify-content: center;
    font-size: 0;
  }
  .whiteboard-layout .board-insert-menu > summary svg:last-child {
    display: none;
  }
  .whiteboard-layout .board-breadcrumb input {
    min-width: 0;
    width: auto;
    flex: 1;
    overflow: hidden;
    font-size: 13px;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .whiteboard-layout .board-actions {
    width: auto;
    min-width: 0;
    justify-content: flex-end;
    gap: 6px;
  }
  .whiteboard-layout .board-actions > .primary-button {
    width: 36px;
    min-width: 36px;
    padding: 0;
    font-size: 0;
  }
  .whiteboard-layout .board-actions > .primary-button span { display: none; }
  .canvas-rich-card-backdrop { padding: 0; }
  .canvas-rich-card-editor {
    width: 100%;
    height: 100%;
    border: 0;
    border-radius: 0;
  }
  .canvas-rich-card-editor > footer {
    align-items: flex-end;
    flex-direction: column;
  }
}