.chat-page {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 60px);
  max-width: 900px;
  margin: 0 auto;
}

.chat-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-bottom: 1px solid #eee;
  background: #fff;
}

.chat-back {
  border: none;
  background: none;
  font-size: 20px;
  cursor: pointer;
}

.chat-header-info {
  display: flex;
  flex-direction: column;
}

#chatUserName {
  font-weight: 600;
}

.chat-item-title {
  font-size: 12px;
  color: #777;
}

.chat-messages {
  flex: 1;
  padding: 10px 12px;
  overflow-y: auto;
  background: #f7f7f7;
}

.chat-bubble {
  max-width: 80%;
  padding: 8px 10px;
  border-radius: 12px;
  margin-bottom: 6px;
  font-size: 14px;
}

.chat-bubble.mine {
  margin-left: auto;
  background: #0077ff;
  color: #fff;
  border-bottom-right-radius: 2px;
}

.chat-bubble.theirs {
  margin-right: auto;
  background: #fff;
  color: #222;
  border-bottom-left-radius: 2px;
}

.chat-meta {
  font-size: 11px;
  opacity: 0.7;
  margin-top: 2px;
  text-align: right;
}

.chat-ai-tools {
  display: flex;
  gap: 8px;
  padding: 6px 12px;
  background: #fff;
  border-top: 1px solid #eee;
}

.chat-ai-tools button {
  flex: 1;
  padding: 6px 8px;
  font-size: 12px;
  border-radius: 999px;
  border: 1px solid #ddd;
  background: #fafafa;
  cursor: pointer;
}

.chat-input-bar {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  padding: 8px 12px;
  border-top: 1px solid #eee;
  background: #fff;
}

#chatInput {
  flex: 1;
  resize: none;
  border-radius: 16px;
  border: 1px solid #ddd;
  padding: 8px 10px;
  font-size: 14px;
}

#chatSendBtn {
  padding: 8px 14px;
  border-radius: 999px;
  border: none;
  background: #0077ff;
  color: #fff;
  font-weight: 600;
  cursor: pointer;
}