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

#chat-bubble {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: black;
  color: white;
  border-radius: 50%;
  width: 60px;
  height: 60px;
  font-size: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 1000;
}

#chat-container {
  display: none;
  flex-direction: column;
  position: fixed;
  bottom: 80px;
  right: 20px;
  width: 320px;
  height: 480px;
  background: #fff;
  border: 2px solid black;
  border-radius: 12px;
  box-shadow: 0 0 10px rgba(0,0,0,0.3);
  z-index: 1000;
  overflow: hidden;
}

#chat-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: black;
  padding: 10px;
}

#chat-logo {
  height: 32px;
}

#close-chat {
  background: none;
  border: none;
  color: white;
  font-size: 20px;
  cursor: pointer;
}

#chat-messages {
  flex: 1;
  padding: 10px;
  overflow-y: auto;
  font-size: 14px;
}

.message {
  margin-bottom: 10px;
}

.message.user {
  text-align: right;
  color: #333;
}

.message.bot {
  text-align: left;
  color: black;
}

#chat-input-container {
  display: flex;
  padding: 10px;
  border-top: 1px solid #ddd;
}

#chat-input {
  flex: 1;
  padding: 8px;
  font-size: 14px;
  border: 1px solid #ccc;
  border-radius: 4px;
}

#send-btn {
  background: black;
  color: white;
  border: none;
  padding: 8px 12px;
  margin-left: 8px;
  cursor: pointer;
  border-radius: 4px;
}