.desk-whiteboard {
  position: fixed;
  inset: 0;
  width: 100%;
  max-width: none;
  height: 100dvh;
  max-height: none;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  overflow: hidden;
  background: oklch(13% .02 255);
  color: oklch(94% .02 255);
  font: 1rem/1.5 system-ui, sans-serif;
  text-align: left;
}
.desk-whiteboard[open] { display: block; }
.desk-whiteboard::backdrop { background: transparent; }
.desk-whiteboard *, .desk-whiteboard *::before, .desk-whiteboard *::after { box-sizing: border-box; }
.desk-whiteboard [hidden] { display: none !important; }
/* The room image, the recovered board pixels and the ink share one camera stage. */
.desk-whiteboard .wb-camera { position: absolute; left: 0; top: 0; transform-origin: 0 0; }
.desk-whiteboard .wb-room-image { display: block; width: 100%; height: 100%; max-width: none; pointer-events: none; }
/* A 4× crop of the board and its surround over the room copy, feathered at its edges; whiteboard.js places it. */
.desk-whiteboard .wb-room-detail { position: absolute; display: block; max-width: none; opacity: 0; pointer-events: none; transition: opacity 260ms ease; -webkit-mask-image: linear-gradient(to right, transparent, #000 5%, #000 95%, transparent), linear-gradient(to bottom, transparent, #000 5%, #000 95%, transparent); mask-image: linear-gradient(to right, transparent, #000 5%, #000 95%, transparent), linear-gradient(to bottom, transparent, #000 5%, #000 95%, transparent); -webkit-mask-composite: source-in; mask-composite: intersect; }
.desk-whiteboard .wb-room-detail.is-ready { opacity: 1; }
.desk-whiteboard .wb-erase { position: absolute; pointer-events: none; }
.desk-whiteboard .wb-board { position: absolute; left: 0; top: 0; transform-origin: 0 0; mix-blend-mode: multiply; pointer-events: none; }
.desk-whiteboard .wb-ink { display: block; width: 100%; height: 100%; overflow: visible; }
.desk-whiteboard .wb-ink path { fill: none; stroke: #454a57; stroke-width: 6; stroke-linecap: round; stroke-linejoin: round; }
.desk-whiteboard .wb-ink .wb-red { stroke: #b8483f; }
.desk-whiteboard .wb-panel {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: min(360px, 100%);
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 28px 26px 24px;
  overflow: auto;
  overscroll-behavior: contain;
  background: oklch(15% .02 255 / .84);
  border-left: 1px solid oklch(45% .02 255 / .45);
  backdrop-filter: blur(20px);
}
.desk-whiteboard .wb-kicker { margin: 0; color: oklch(72% .025 255); font: 12px/1.5 system-ui, sans-serif; letter-spacing: .11em; text-transform: uppercase; }
.desk-whiteboard h2 { margin: 0; font: 400 26px/1.2 var(--serif); letter-spacing: -.02em; }
.desk-whiteboard .wb-hint { margin: 0; color: oklch(85% .02 255); font: italic 16px/1.5 var(--serif); }
.desk-whiteboard .wb-word { margin: 6px 0 0; font: 600 26px/1.3 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .12em; overflow-wrap: anywhere; }
.desk-whiteboard .wb-word.is-long { font-size: 19px; letter-spacing: .08em; }
.desk-whiteboard .wb-status { margin: 0; min-height: 3em; color: oklch(80% .02 255); font-size: 14px; }
.desk-whiteboard .wb-letters { display: grid; grid-template-columns: repeat(auto-fill, minmax(40px, 1fr)); gap: 6px; }
.desk-whiteboard button {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  min-height: 42px;
  margin: 0;
  padding: 8px 10px;
  border: 1px solid oklch(42% .02 255 / .7);
  border-radius: 6px;
  background: oklch(24% .02 255 / .85);
  color: inherit;
  font: 600 15px/1.2 system-ui, sans-serif;
  cursor: pointer;
}
.desk-whiteboard button:hover { background: oklch(32% .03 255); }
.desk-whiteboard button:active:not([aria-disabled="true"]) { transform: translateY(1px); }
.desk-whiteboard .wb-letters button { padding: 0; }
.desk-whiteboard .wb-letters button.is-hit { background: oklch(40% .1 150 / .85); border-color: oklch(62% .12 150); }
.desk-whiteboard .wb-letters button.is-miss { background: transparent; color: oklch(58% .02 255); text-decoration: line-through; }
.desk-whiteboard button[aria-disabled="true"] { cursor: default; }
.desk-whiteboard .wb-letters button[aria-disabled="true"]:not(.is-hit):not(.is-miss) { opacity: .45; }
.desk-whiteboard .wb-letters button[aria-disabled="true"]:hover { background: oklch(24% .02 255 / .85); }
.desk-whiteboard .wb-letters button.is-hit[aria-disabled="true"]:hover { background: oklch(40% .1 150 / .85); }
.desk-whiteboard .wb-letters button.is-miss[aria-disabled="true"]:hover { background: transparent; }
.desk-whiteboard .wb-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: auto; padding-top: 8px; }
.desk-whiteboard .wb-actions button { font-weight: 500; }
.desk-whiteboard .wb-close { background: transparent; border-color: transparent; text-decoration: underline; text-underline-offset: 4px; text-decoration-color: oklch(90% .035 85 / .45); }
.desk-whiteboard .wb-close:hover { background: oklch(90% .035 85 / .13); }
.desk-whiteboard :focus-visible { outline: 2px solid oklch(83% .07 87); outline-offset: 3px; }
@media (max-width: 700px), (max-aspect-ratio: 1/1) {
  .desk-whiteboard .wb-panel { left: 0; right: 0; top: auto; bottom: 0; width: auto; max-height: 56%; padding: 18px 16px 16px; gap: 10px; border-left: 0; border-top: 1px solid oklch(45% .02 255 / .45); }
  .desk-whiteboard h2 { font-size: 22px; }
  .desk-whiteboard .wb-hint { font-size: 15px; }
  .desk-whiteboard .wb-word { font-size: 22px; }
  .desk-whiteboard .wb-status { min-height: 0; }
  .desk-whiteboard .wb-letters { grid-template-columns: repeat(auto-fill, minmax(36px, 1fr)); gap: 5px; }
  .desk-whiteboard button { min-width: 36px; min-height: 40px; }
}
@media (prefers-reduced-transparency: reduce) {
  .desk-whiteboard .wb-panel { background: oklch(15% .02 255); backdrop-filter: none; }
}
@media (prefers-reduced-motion: reduce) {
  .desk-whiteboard button:active:not([aria-disabled="true"]) { transform: none; }
  .desk-whiteboard .wb-room-detail { transition: none; }
}