.ai-trigger {
  background: none;
  border: none;
  cursor: pointer;
  font-family: 'DM Sans', sans-serif;
  transition: transform 0.2s ease, opacity 0.2s ease;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 4px 8px;
}
.ai-trigger:hover  { transform: translateY(-1px); }
.ai-trigger:active { transform: translateY(0); }

.ai-avatar {
  position: relative;
  display: block;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  overflow: visible;
  flex-shrink: 0;
}
.ai-avatar-img {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
  display: block;
  border: 2px solid #16a34a;
}
.ai-initials {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, #16a34a, #22c55e);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 800;
  color: #fff;
  font-family: 'Syne', sans-serif;
  letter-spacing: 0.02em;
  border: 2px solid rgba(255,255,255,0.6);
}
.ai-online-dot {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #22c55e;
  border: 2px solid #fff;
  box-shadow: 0 0 0 1px rgba(0,0,0,0.1);
}
.ai-person-ico {
  display: flex;
  align-items: center;
  justify-content: center;
  color: #111827;
}
.ai-label {
  display: block;
  font-size: 0.7rem;
  font-weight: 500;
  color: #374151;
}
.ai-trigger:hover .ai-avatar    { filter: brightness(1.05); }
.ai-trigger:hover .ai-initials  { box-shadow: 0 0 0 3px rgba(22,163,74,0.2); }

@media (max-width: 480px) {
  .ai-avatar,
  .ai-avatar-img,
  .ai-initials { width: 28px; height: 28px; }
  .ai-online-dot { width: 8px; height: 8px; }
  .ai-label { font-size: 0.65rem; }
}