.avatar-stack {
  display: flex;
  align-items: center;
}

.avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  border: 3px solid white;
  background: linear-gradient(135deg, #4f46e5, #9333ea);
  position: relative;
  margin-left: -20px;
  transition:
    transform 0.3s,
    z-index 0.3s;
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  color: white;
  font-weight: bold;
  font-size: 18px;
}

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

.avatar:hover {
  transform: scale(1.2);
  z-index: 10;
}

.avatar .tooltip {
  position: absolute;
  bottom: 110%;
  left: 50%;
  transform: translateX(-50%) scale(0.8);
  background: white;
  color: #111;
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 14px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.15);
  transition:
    opacity 0.3s ease,
    transform 0.3s ease;
}

.avatar:hover .tooltip {
  opacity: 1;
  transform: translateX(-50%) scale(1);
}

/* Avatar gradients */
.avatar:nth-child(2) {
  background: linear-gradient(135deg, #10b981, #06b6d4);
}
.avatar:nth-child(3) {
  background: linear-gradient(135deg, #f59e0b, #ef4444);
}
.avatar:nth-child(4) {
  background: linear-gradient(135deg, #ec4899, #8b5cf6);
}