/* Холст (webapp/board.js). Цвета элементов — ключи палитры, здесь они под тему приложения: тёмная по умолчанию, светлая — .is-light (экспорт) и светлая тема. */
.leo-board {
  --lb-bg: #1b1c1f;
  --lb-dot: rgba(255, 255, 255, 0.09);
  --lb-panel: #26272b;
  --lb-panel-border: rgba(255, 255, 255, 0.08);
  --lb-text: #e8e9ec;
  --lb-muted: #9a9ca3;
  --lb-accent: #529ef4;
  --lb-accent-soft: rgba(82, 158, 244, 0.18);
  --lb-map-ink: #8a8d95;
  --lb-font: -apple-system, system-ui, "Helvetica Neue", Roboto, sans-serif;
  --lb-ink-ink: #e8e9ec;
  --lb-ink-white: #ffffff;
  --lb-ink-gray: #9a9ca3;
  --lb-ink-red: #ff6b6b;
  --lb-ink-orange: #ffa94d;
  --lb-ink-yellow: #ffd43b;
  --lb-ink-green: #69db7c;
  --lb-ink-blue: #4dabf7;
  --lb-ink-purple: #b197fc;
  --lb-ink-pink: #f783ac;
  --lb-fill-white: #2f3136;
  --lb-fill-gray: #3a3c42;
  --lb-fill-red: #4a2626;
  --lb-fill-orange: #4a3520;
  --lb-fill-yellow: #4a4220;
  --lb-fill-green: #23402a;
  --lb-fill-blue: #1f3550;
  --lb-fill-purple: #352b52;
  --lb-fill-pink: #4a2638;
  --lb-sticky-yellow: #fff1a8;
  --lb-sticky-orange: #ffd5a8;
  --lb-sticky-pink: #ffc9de;
  --lb-sticky-green: #c6f0c0;
  --lb-sticky-blue: #c3e2ff;
  --lb-sticky-purple: #e1d3ff;
  --lb-sticky-gray: #e6e8eb;
  position: relative;
  display: flex;
  flex: 1 1 auto;
  width: 100%;
  height: 100%;
  min-height: 320px;
  container-type: inline-size;
  overflow: hidden;
  background: var(--lb-bg);
  color: var(--lb-ink-ink);
  font-family: var(--lb-font);
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
}

.leo-board.is-light,
html[data-theme="light"] .leo-board {
  --lb-bg: #f7f7f8;
  --lb-dot: rgba(0, 0, 0, 0.12);
  --lb-panel: #ffffff;
  --lb-panel-border: rgba(0, 0, 0, 0.1);
  --lb-text: #1f2328;
  --lb-muted: #6b7280;
  --lb-ink-ink: #1f2937;
  --lb-ink-gray: #6b7280;
  --lb-ink-red: #e03131;
  --lb-ink-orange: #f08c00;
  --lb-ink-yellow: #f2c200;
  --lb-ink-green: #2f9e44;
  --lb-ink-blue: #1c7ed6;
  --lb-ink-purple: #7048e8;
  --lb-ink-pink: #d6336c;
  --lb-fill-white: #ffffff;
  --lb-fill-gray: #f1f3f5;
  --lb-fill-red: #ffe3e3;
  --lb-fill-orange: #ffe8cc;
  --lb-fill-yellow: #fff3bf;
  --lb-fill-green: #d3f9d8;
  --lb-fill-blue: #d0ebff;
  --lb-fill-purple: #e5dbff;
  --lb-fill-pink: #ffdeeb;
}

.leo-board .hidden {
  display: none !important;
}

.lb-stage {
  position: absolute;
  inset: 0;
  overflow: hidden;
  outline: none;
  touch-action: none;
  cursor: default;
}

.lb-stage.has-grid {
  background-image: radial-gradient(circle, var(--lb-dot) 1.1px, transparent 1.3px);
}

.lb-stage[data-tool="hand"],
.lb-stage.is-panning {
  cursor: grab;
}

.lb-stage[data-tool="text"] {
  cursor: text;
}

.lb-stage[data-tool="rect"],
.lb-stage[data-tool="diamond"],
.lb-stage[data-tool="ellipse"],
.lb-stage[data-tool="sticky"],
.lb-stage[data-tool="line"],
.lb-stage[data-tool="arrow"],
.lb-stage[data-tool="pen"] {
  cursor: crosshair;
}

.lb-world {
  position: absolute;
  left: 0;
  top: 0;
  width: 0;
  height: 0;
  transform-origin: 0 0;
}

.lb-el {
  position: absolute;
  box-sizing: border-box;
  transform-origin: 50% 50%;
  pointer-events: none;
}

.lb-shape {
  position: absolute;
  left: 0;
  top: 0;
  overflow: visible;
  pointer-events: none;
}

.lb-shape .lb-hit {
  cursor: move;
}

.lb-stage:not([data-tool="select"]) .lb-shape .lb-hit {
  cursor: inherit;
}

.lb-t-sticky .lb-shape {
  filter: drop-shadow(0 2px 5px color-mix(in srgb, var(--shadow-color, #000) 22%, transparent));
}

.lb-text {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  box-sizing: border-box;
  padding: 8px 10px;
  overflow: hidden;
  font-size: 16px;
  line-height: 1.3;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  word-break: break-word;
  text-align: center;
  pointer-events: none;
  outline: none;
  color: var(--lb-ink-ink);
}

.lb-t-diamond > .lb-text {
  padding: 8px 22%;
}

.lb-t-sticky > .lb-text {
  color: #1f2328;
  padding: 14px;
}

.lb-t-text > .lb-text {
  justify-content: flex-start;
  padding: 0;
  overflow: visible;
  bottom: auto;
  min-height: 100%;
}

.lb-t-text > .lb-text:empty::before {
  content: "Текст";
  color: var(--lb-muted);
}

.lb-el.is-editing > .lb-text {
  pointer-events: auto;
  user-select: text;
  -webkit-user-select: text;
  cursor: text;
  overflow: visible;
}

.lb-el.is-editing.lb-t-sticky > .lb-text:empty::before,
.lb-el.is-editing.lb-t-rect > .lb-text:empty::before,
.lb-el.is-editing.lb-t-diamond > .lb-text:empty::before,
.lb-el.is-editing.lb-t-ellipse > .lb-text:empty::before {
  content: "";
}

.lb-line-label {
  position: absolute;
  inset: auto;
  display: block;
  transform: translate(-50%, -50%);
  min-width: 8px;
  max-width: 240px;
  width: max-content;
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--lb-bg);
  font-size: 14px;
}

/* Подпись стрелки можно тащить вдоль линии (кроме режима правки текста). */
.lb-el:not(.is-editing) > .lb-line-label:not(.is-empty) {
  pointer-events: auto;
  cursor: grab;
}

.lb-line-label.is-empty {
  display: none;
}

.lb-pen-live {
  opacity: 0.85;
}

/* ---- оверлей ---- */
.lb-overlay {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  pointer-events: none;
}

.lb-sel-box,
.lb-sel-group {
  fill: none;
  stroke: var(--lb-accent);
  stroke-width: 1.5;
}

.lb-sel-group {
  stroke-dasharray: 4 3;
}

.lb-sel-line {
  fill: none;
  stroke: var(--lb-accent);
  stroke-width: 6;
  stroke-opacity: 0.35;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.lb-handle {
  fill: #fff;
  stroke: var(--lb-accent);
  stroke-width: 1.5;
  pointer-events: all;
  cursor: nwse-resize;
}

.lb-handle[data-h="n"],
.lb-handle[data-h="s"] {
  cursor: ns-resize;
}

.lb-handle[data-h="e"],
.lb-handle[data-h="w"] {
  cursor: ew-resize;
}

.lb-handle[data-h="ne"],
.lb-handle[data-h="sw"],
.lb-handle[data-h="gne"],
.lb-handle[data-h="gsw"] {
  cursor: nesw-resize;
}

.lb-handle.lb-rot {
  cursor: grab;
}

.lb-handle.lb-end,
.lb-handle.lb-bend {
  cursor: move;
}

.lb-handle.lb-bend {
  fill: var(--lb-accent);
  stroke: #fff;
}

/* Изломы стрелки: точка излома, вставка новой точки, отрезок ломаной. */
.lb-handle.lb-wp {
  fill: var(--lb-accent);
  stroke: #fff;
  cursor: move;
}

.lb-handle.lb-ins {
  fill: #fff;
  stroke: var(--lb-accent);
  opacity: 0.75;
  cursor: copy;
}

.lb-handle.lb-ins:hover {
  opacity: 1;
}

.lb-handle.lb-seg {
  fill: var(--lb-accent);
  stroke: #fff;
}

.lb-handle.lb-seg.is-h {
  cursor: ns-resize;
}

.lb-handle.lb-seg.is-v {
  cursor: ew-resize;
}

.lb-rot-stem {
  stroke: var(--lb-accent);
  stroke-width: 1;
}

.lb-connect {
  pointer-events: all;
  cursor: crosshair;
  opacity: 0.85;
}

.lb-connect circle {
  fill: var(--lb-accent);
  stroke: #fff;
  stroke-width: 1.5;
}

.lb-connect path {
  stroke: #fff;
  stroke-width: 1.6;
  stroke-linecap: round;
}

.lb-connect:hover {
  opacity: 1;
}

.lb-snap-box {
  fill: var(--lb-accent-soft);
  stroke: var(--lb-accent);
  stroke-width: 1.5;
}

.lb-snap-dot {
  fill: #fff;
  stroke: var(--lb-accent);
  stroke-width: 1.5;
}

.lb-snap-dot.is-on {
  fill: var(--lb-accent);
}

.lb-guide {
  stroke: #ff4d8d;
  stroke-width: 1;
  stroke-dasharray: 3 3;
}

.lb-marquee {
  fill: var(--lb-accent-soft);
  stroke: var(--lb-accent);
  stroke-width: 1;
}

.lb-cursor text {
  font-size: 12px;
  font-weight: 600;
  paint-order: stroke;
  stroke: var(--lb-bg);
  stroke-width: 3px;
}

/* ---- панели ---- */
.lb-tools,
.lb-history,
.lb-zoom,
.lb-props,
.lb-pop {
  position: absolute;
  z-index: 3;
  display: flex;
  gap: 2px;
  padding: 4px;
  border: 1px solid var(--lb-panel-border);
  border-radius: 12px;
  background: var(--lb-panel);
  box-shadow: 0 6px 24px color-mix(in srgb, var(--shadow-color, #000) 28%, transparent);
  color: var(--lb-text);
}

.lb-tools {
  left: 12px;
  top: 50%;
  flex-direction: column;
  transform: translateY(-50%);
}

.lb-history {
  left: 12px;
  bottom: 12px;
}

.lb-zoom {
  right: 12px;
  bottom: 12px;
  align-items: center;
}

.lb-minimap {
  position: absolute;
  z-index: 3;
  right: 12px;
  bottom: 60px;
  width: 180px;
  height: 120px;
  border: 1px solid var(--lb-panel-border);
  border-radius: 10px;
  background: var(--lb-panel);
  box-shadow: 0 6px 24px color-mix(in srgb, var(--shadow-color, #000) 22%, transparent);
  cursor: pointer;
  touch-action: none;
}

.lb-props {
  touch-action: pan-x;
  overscroll-behavior-x: contain;
  align-items: center;
  flex-wrap: nowrap;
  max-width: calc(100% - 16px);
  overflow-x: auto;
  scrollbar-width: none;
}

.lb-props::-webkit-scrollbar {
  display: none;
}

.lb-pop {
  z-index: 4;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.lb-btn {
  display: inline-flex;
  flex: none;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  height: 34px;
  padding: 0 6px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: inherit;
  font: inherit;
  font-size: 13px;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.lb-btn:hover {
  background: rgba(127, 127, 127, 0.14);
}

.lb-btn.is-on {
  background: var(--lb-accent-soft);
  color: var(--lb-accent);
}

.lb-btn:disabled {
  opacity: 0.35;
  cursor: default;
  background: transparent;
}

.lb-pct {
  min-width: 52px;
  font-variant-numeric: tabular-nums;
}

.lb-font {
  min-width: 36px;
  font-weight: 600;
}

.lb-danger:hover {
  color: var(--lb-ink-red);
}

.lb-sep {
  flex: none;
  width: 1px;
  height: 22px;
  margin: 0 3px;
  background: var(--lb-panel-border);
}

.lb-swatch {
  width: 18px;
  height: 18px;
  border: 1px solid rgba(127, 127, 127, 0.5);
  border-radius: 50%;
  background: var(--c);
}

.lb-swatch.is-ring {
  background: transparent;
  border: 4px solid var(--c);
  box-sizing: border-box;
}

.lb-swatch.is-none,
.lb-sw.is-none {
  background: linear-gradient(135deg, transparent 45%, var(--lb-ink-red) 45%, var(--lb-ink-red) 55%, transparent 55%);
}

.lb-swatch-a {
  font-size: 17px;
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.lb-swatches {
  display: grid;
  grid-template-columns: repeat(5, 28px);
  gap: 6px;
  padding: 4px;
}

.lb-sw {
  width: 28px;
  height: 28px;
  padding: 0;
  border: 1px solid rgba(127, 127, 127, 0.45);
  border-radius: 50%;
  background: var(--c);
  cursor: pointer;
}

.lb-sw:hover {
  outline: 2px solid var(--lb-accent);
  outline-offset: 1px;
}

.lb-row {
  display: flex;
  gap: 2px;
}

.lb-menu-item {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 200px;
  padding: 8px 10px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: inherit;
  font: inherit;
  font-size: 14px;
  text-align: left;
  cursor: pointer;
}

.lb-menu-item:hover {
  background: rgba(127, 127, 127, 0.14);
}

.lb-menu-item kbd {
  margin-left: auto;
  color: var(--lb-muted);
  font-family: inherit;
  font-size: 12px;
}

.lb-empty-hint {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 1;
  max-width: 280px;
  transform: translate(-50%, -50%);
  color: var(--lb-muted);
  font-size: 14px;
  line-height: 1.4;
  text-align: center;
  pointer-events: none;
}

.leo-board.is-readonly .lb-shape .lb-hit {
  cursor: grab;
}

/* Узкая панель (телефон, правая колонка заметки) — инструменты внизу строкой. */
@container (max-width: 640px) {
  .lb-tools {
    left: 8px;
    right: 8px;
    top: auto;
    bottom: 8px;
    flex-direction: row;
    justify-content: flex-start;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    -webkit-overflow-scrolling: touch;
    touch-action: pan-x;
    transform: none;
    scrollbar-width: none;
    /* Край растворяется — видно, что дальше есть ещё инструменты. */
    -webkit-mask-image: linear-gradient(90deg, #000 calc(100% - 28px), transparent);
    mask-image: linear-gradient(90deg, #000 calc(100% - 28px), transparent);
  }

  .lb-tools.is-scrolled-end {
    -webkit-mask-image: none;
    mask-image: none;
  }

  .lb-tools::-webkit-scrollbar {
    display: none;
  }

  .lb-history {
    left: 8px;
    top: 8px;
    bottom: auto;
  }

  .lb-zoom {
    right: 8px;
    top: 8px;
    bottom: auto;
  }

  .lb-zoom .lb-map-btn,
  .lb-zoom [data-act="grid"] {
    display: none;
  }

  .lb-minimap {
    display: none;
  }

  .leo-board.is-readonly .lb-zoom {
    top: auto;
    bottom: 8px;
  }
}

/* Переход по ссылке на блок: блок мигает. */
.lb-el.is-flash {
  animation: lb-flash 1.5s ease-out;
}

@keyframes lb-flash {
  0%,
  40% {
    filter: drop-shadow(0 0 0 var(--lb-accent)) drop-shadow(0 0 10px var(--lb-accent));
  }
  100% {
    filter: none;
  }
}

/* Действия с блоками — как плашка выделения в заметке (styles.css .note-comment-bubble-wrap):
   ✨ ИИ фиолетовым, остальное — цветом текста, иконка 15px и подпись. */
.lb-pbtn.lb-nact-trigger {
  color: var(--violet-soft, #c4b5fd);
  background: color-mix(in srgb, var(--violet, #8b5cf6) 16%, transparent);
  border-radius: 9px;
}

.lb-nacts {
  display: flex;
  gap: 2px;
}

.lb-nact {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 32px;
  padding: 0 10px;
  border: none;
  border-radius: 9px;
  background: transparent;
  color: var(--lb-text);
  font: 600 13px/1 var(--lb-font);
  white-space: nowrap;
  cursor: pointer;
}

.lb-nact:hover {
  background: var(--overlay-3, rgba(255, 255, 255, 0.08));
}

.lb-nact svg {
  display: block;
  flex: none;
  pointer-events: none;
}

.lb-nact span {
  pointer-events: none;
}

.lb-nact--ai {
  color: var(--violet-soft, #c4b5fd);
  background: color-mix(in srgb, var(--violet, #8b5cf6) 16%, transparent);
}

/* Кнопка чата с Лео в правом нижнем тулбаре и её бейдж (как у «Обсуждения» в заметке). */
.lb-chat-btn {
  position: relative;
}

.lb-chat-badge {
  position: absolute;
  top: 2px;
  right: 1px;
  min-width: 16px;
  height: 16px;
  padding: 0 4px;
  box-sizing: border-box;
  border-radius: 8px;
  background: var(--lb-accent);
  color: #fff;
  font: 600 10px/16px var(--lb-font);
  text-align: center;
  pointer-events: none;
}

.lb-chat-badge.is-dot {
  min-width: 10px;
  width: 10px;
  height: 10px;
  padding: 0;
  top: 4px;
  right: 4px;
}

/* Автор стикера — внизу, как подпись у комментария: аватар 16px и имя. Стикер всегда светлый,
   поэтому цвета тёмные в обеих темах. */
.lb-t-sticky.has-author > .lb-text {
  padding-bottom: 30px;
}

.lb-author {
  position: absolute;
  left: 10px;
  right: 10px;
  bottom: 8px;
  display: flex;
  align-items: center;
  gap: 5px;
  min-width: 0;
  color: rgba(31, 35, 40, 0.62);
  font: 500 11px/16px var(--lb-font);
  pointer-events: none;
}

.lb-author-name {
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.lb-av {
  position: relative;
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  overflow: hidden;
  border-radius: 50%;
  background: rgba(31, 35, 40, 0.14);
  color: #1f2328;
  font: 700 7.5px/1 var(--lb-font);
}

.lb-av--t0 { background: rgba(124, 92, 255, 0.28); }
.lb-av--t1 { background: rgba(240, 120, 80, 0.3); }
.lb-av--t2 { background: rgba(40, 170, 130, 0.3); }
.lb-av--t3 { background: rgba(60, 130, 240, 0.28); }
.lb-av--t4 { background: rgba(220, 90, 150, 0.28); }
.lb-av--t5 { background: rgba(230, 160, 30, 0.32); }

.lb-av.is-ai {
  color: #7c3aed;
  background: rgba(139, 92, 246, 0.2);
}

.lb-av-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: none;
}

.lb-av-img.has-photo {
  display: block;
}