.board-page {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.board-canvas {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  overflow: hidden;
  cursor: grab;
  background: var(--canvas-soft);
  touch-action: none;
}

.board-canvas:active {
  cursor: grabbing;
}

.canvas-container {
  position: absolute;
  transform-origin: 0 0;
  will-change: transform;
}

.canvas-grid {
  position: absolute;
  top: -5000px;
  left: -5000px;
  width: 10000px;
  height: 10000px;
  pointer-events: none;
}

.board-item {
  position: absolute;
  cursor: move;
  user-select: none;
  transition: box-shadow 0.15s ease;
}

.board-item:hover {
  box-shadow: var(--shadow-soft);
}

.board-item.selected {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.board-item.dragging {
  opacity: 0.9;
  z-index: 9999 !important;
}

.item-resize-handle {
  position: absolute;
  width: 10px;
  height: 10px;
  background: var(--primary);
  border: 2px solid var(--surface);
  border-radius: 2px;
  z-index: 10;
}

.item-resize-handle.nw { top: -5px; left: -5px; cursor: nw-resize; }
.item-resize-handle.ne { top: -5px; right: -5px; cursor: ne-resize; }
.item-resize-handle.sw { bottom: -5px; left: -5px; cursor: sw-resize; }
.item-resize-handle.se { bottom: -5px; right: -5px; cursor: se-resize; }

.item-rotate-handle {
  position: absolute;
  top: -30px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 20px;
  background: var(--primary);
  border: 2px solid var(--surface);
  border-radius: 50%;
  cursor: grab;
  z-index: 10;
}

.item-rotate-handle::after {
  content: '';
  position: absolute;
  bottom: -12px;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 12px;
  background: var(--primary);
}

.sticky-note {
  background: #fffde7;
  padding: var(--space-md);
  border-radius: 2px;
  box-shadow: 2px 2px 8px rgba(0,0,0,0.1);
  font-family: var(--font-sans);
  overflow: hidden;
}

.sticky-note .note-title {
  font-size: var(--text-body-sm);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-xs);
  outline: none;
}

.sticky-note .note-content {
  font-size: var(--text-caption);
  color: var(--ink-secondary);
  white-space: pre-wrap;
  outline: none;
  min-height: 60px;
}

.rich-note {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  overflow: hidden;
}

.rich-note .note-title {
  font-size: var(--text-body);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-xs);
  outline: none;
}

.rich-note .note-content {
  font-size: var(--text-caption);
  outline: none;
  min-height: 100px;
  white-space: pre-wrap;
}

.selection-box {
  position: absolute;
  border: 2px dashed var(--primary);
  background: rgba(0, 122, 255, 0.1);
  pointer-events: none;
  z-index: 10000;
}

.item-type-badge {
  position: absolute;
  top: 4px;
  right: 4px;
  font-size: 10px;
  background: rgba(0,0,0,0.5);
  color: white;
  padding: 2px 6px;
  border-radius: var(--radius-xs);
  opacity: 0;
  transition: opacity 0.15s ease;
}

.board-item:hover .item-type-badge {
  opacity: 1;
}