.agent-chat {
  display: grid;
  gap: 16px;
  margin: 14px 0;
  padding: 22px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(0, 0, 0, 0.025);
}

.agent-chat-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.agent-chat-top strong {
  color: var(--black);
  font-size: 15px;
  font-weight: 600;
}

.agent-chat-top span {
  color: var(--muted);
  font-size: 12px;
}

.chat-log {
  display: grid;
  gap: 10px;
  min-height: 260px;
}

.chat-message {
  display: grid;
  max-width: 86%;
  opacity: 1;
  transform: none;
  transition: opacity 0.35s ease, transform 0.35s ease;
}

.chat-message.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.chat-message-user {
  justify-self: end;
}

.chat-message-agent {
  justify-self: start;
}

.chat-bubble,
.typing-dots {
  min-height: 42px;
  padding: 12px 14px;
  border-radius: 18px;
  font-size: 15px;
  line-height: 1.35;
}

.chat-message-user .chat-bubble {
  background: var(--black);
  color: var(--white);
  border-bottom-right-radius: 5px;
}

.chat-message-agent .chat-bubble,
.typing-dots {
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.04);
  color: var(--black);
  border-bottom-left-radius: 5px;
}

.typing-dots {
  display: none;
  align-items: center;
  gap: 5px;
  width: max-content;
}

.typing-dots.is-visible {
  display: flex;
}

.typing-dots span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.46);
  animation: typingPulse 0.9s ease-in-out infinite;
}

.typing-dots span:nth-child(2) {
  animation-delay: 0.15s;
}

.typing-dots span:nth-child(3) {
  animation-delay: 0.3s;
}


.agent-chat.is-animating .chat-message:not(.is-visible) { opacity: 0; transform: translateY(10px); }
.typing-dots.is-visible + .chat-bubble { display: none; }
@keyframes typingPulse {
  0%, 80%, 100% { opacity: 0.3; transform: translateY(0); }
  40% { opacity: 1; transform: translateY(-3px); }
}
@media (prefers-reduced-motion: reduce) {
  .chat-message, .typing-dots span { animation: none; transition: none; }
}