/* Presence: Avatar stack + cell highlights */

.presence-avatars {
  display: flex;
  align-items: center;
  margin-right: 8px;
  flex-shrink: 0;
}

.presence-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid #fff;
  margin-left: -6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 600;
  color: #fff;
  cursor: default;
  position: relative;
  transition: transform 0.15s ease, z-index 0.15s ease;
  background-size: cover;
  background-position: center;
  z-index: 1;
}

.presence-avatar:first-child {
  margin-left: 0;
}

.presence-avatar:hover {
  transform: scale(1.15);
  z-index: 10;
}

/* Tooltip on hover */
.presence-avatar .presence-tooltip {
  display: none;
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  background: #1f2937;
  color: #f3f4f6;
  font-size: 11px;
  font-weight: 400;
  padding: 4px 8px;
  border-radius: 4px;
  white-space: nowrap;
  pointer-events: none;
  z-index: 100;
}

.presence-avatar:hover .presence-tooltip {
  display: block;
}

/* Cell highlight for other users' focus */
.ag-cell[data-presence-highlight] {
  box-shadow: inset 0 0 0 2px var(--presence-color);
  transition: box-shadow 0.2s ease;
}