/* online-users — avatar stack + overflow list */

.online-users-stack {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
}

.online-users-avatar {
  margin-left: -8px;
  border: 2px solid white;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}
.online-users-avatar:first-child {
  margin-left: 0;
}
.online-users-avatar:hover {
  transform: translateY(-2px);
  z-index: 10;
  border-color: #cbd5e1;
}

/* enter / leave transitions */
.online-avatar-enter-active {
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.online-avatar-leave-active {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.online-avatar-enter-from {
  opacity: 0;
  transform: scale(0.4) translateY(6px);
}
.online-avatar-leave-to {
  opacity: 0;
  transform: scale(0.4) translateY(-6px);
}

/* +N overflow circle */
.online-users-overflow {
  width: 32px;
  height: 32px;
  margin-left: -8px;
  border-radius: 50%;
  background-color: #f1f5f9;
  color: #475569;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  z-index: 5;
  border: 2px solid white;
  cursor: pointer;
  transition: all 0.3s ease;
}
.online-users-overflow:hover {
  background-color: #e2e8f0;
}

/* count badge transition */
.online-count-enter-active,
.online-count-leave-active {
  transition: all 0.3s ease;
}
.online-count-enter-from,
.online-count-leave-to {
  opacity: 0;
  transform: scale(0.6);
}

/* profile tooltip card */
.online-users-profile-card {
  min-width: 260px;
  padding: 16px;
}

/* online indicator dot */
.online-users-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10b981;
  display: inline-block;
  margin-right: 4px;
  animation: online-pulse 2s ease-in-out infinite;
}

@keyframes online-pulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.5; }
}