body {
  font-family: Arial, Helvetica, sans-serif;
  margin: 0;
}

#container {
  display: flex;
  flex-direction: column;
  height: 100vh;
  background: #f5f5f7;
}

#log {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
}

#input {
  display: flex;
  gap: 8px;
  padding: 8px;
  border-top: 1px solid #ddd;
  background: #fff;
}

#input input {
  flex: 1;
  padding: 8px;
  border-radius: 6px;
  border: 1px solid #ccc;
}

#input button {
  padding: 8px 12px;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  background: #0073aa;
  color: #fff;
}

.bot {
  background: #ffffff;
  padding: 8px 10px;
  border-radius: 10px;
  margin: 6px 0;
  white-space: pre-wrap;
  font-size: 14px;
}

.user {
  background: #dff3e6;
  padding: 8px 10px;
  border-radius: 10px;
  margin: 6px 0;
  text-align: right;
  font-size: 14px;
}

.small {
  font-size: 12px;
  color: #666;
}