/* online-users — modern avatar stack with unified color scheme */

.online-users-stack {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--background-tertiary);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}
.online-users-stack:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--primary-light);
  background: var(--background-primary);
}

.online-users-avatar {
  margin-left: -10px;
  border: 2px solid var(--background-primary);
  transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  border-radius: var(--radius-rounded) !important;
}
.online-users-avatar:first-child {
  margin-left: 0;
}
.online-users-avatar:hover {
  transform: translateY(-3px) scale(1.05);
  z-index: 20;
  border-color: var(--primary-color);
  box-shadow: var(--shadow-md);
}

/* Avatar status indicators */
.online-users-avatar.online {
  position: relative;
}
.online-users-avatar.online::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 8px;
  height: 8px;
  background-color: var(--success-color);
  border-radius: 50%;
  border: 2px solid var(--background-primary);
  z-index: 10;
  animation: online-pulse 2s ease-in-out infinite;
}

.online-users-avatar.away {
  position: relative;
  opacity: 0.8;
}
.online-users-avatar.away::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 8px;
  height: 8px;
  background-color: var(--warning-color);
  border-radius: 50%;
  border: 2px solid var(--background-primary);
  z-index: 10;
}

.online-users-avatar.busy {
  position: relative;
  opacity: 0.7;
}
.online-users-avatar.busy::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 8px;
  height: 8px;
  background-color: var(--danger-color);
  border-radius: 50%;
  border: 2px solid var(--background-primary);
  z-index: 10;
}

/* 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(8px) rotate(-10deg);
}
.online-avatar-leave-to {
  opacity: 0;
  transform: scale(0.4) translateY(-8px) rotate(10deg);
}

/* +N overflow circle */
.online-users-overflow {
  width: 32px;
  height: 32px;
  margin-left: -10px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-light), var(--info-color));
  color: var(--primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 800;
  z-index: 5;
  border: 2px solid var(--background-primary);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--shadow-sm);
}
.online-users-overflow:hover {
  background: linear-gradient(135deg, var(--primary-color), var(--info-color));
  color: var(--text-white);
  transform: translateY(-2px) scale(1.1);
  box-shadow: var(--shadow-md);
}

/* 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: 280px;
  padding: var(--spacing-lg);
  background: var(--background-primary);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
}

.online-users-profile-header {
  display: flex;
  align-items: center;
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--border-color-light);
}

.online-users-profile-avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-rounded);
  border: 3px solid var(--primary-light);
  margin-right: var(--spacing-md);
}

.online-users-profile-name {
  font-weight: 700;
  font-size: 16px;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
}

.online-users-profile-role {
  font-size: 12px;
  color: var(--text-secondary);
  font-weight: 500;
  background: var(--background-tertiary);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  display: inline-block;
}

.online-users-profile-status {
  display: flex;
  align-items: center;
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: var(--spacing-xs);
}

.online-users-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success-color);
  display: inline-block;
  margin-right: 6px;
  animation: online-pulse 2s ease-in-out infinite;
}

.online-users-profile-details {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.online-users-profile-details strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* Online users count badge */
.online-users-count {
  background: linear-gradient(135deg, var(--primary-color), var(--info-color));
  color: var(--text-white);
  font-size: 11px;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: var(--radius-rounded);
  margin-left: var(--spacing-sm);
  box-shadow: var(--shadow-sm);
  border: 2px solid var(--background-primary);
}

/* Mobile optimizations */
@media (max-width: 599px) {
  .online-users-stack {
    padding: var(--spacing-xs);
    border-radius: var(--radius-lg);
  }
  
  .online-users-avatar {
    width: 28px !important;
    height: 28px !important;
    margin-left: -8px;
  }
  
  .online-users-overflow {
    width: 28px;
    height: 28px;
    margin-left: -8px;
    font-size: 9px;
  }
  
  .online-users-count {
    font-size: 10px;
    padding: 1px 6px;
  }
}

@keyframes online-pulse {
  0%, 100% { 
    opacity: 1;
    transform: scale(1);
  }
  50% { 
    opacity: 0.7;
    transform: scale(0.9);
  }
}

@keyframes avatar-float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-5px);
  }
}

.online-users-avatar:hover {
  animation: avatar-float 1.5s ease-in-out infinite;
}

/* Group hover effect */
.online-users-stack:hover .online-users-avatar {
  transform: translateX(2px);
}
.online-users-stack:hover .online-users-avatar:hover {
  transform: translateY(-3px) scale(1.05) translateX(0);
}