body,
html {
  margin: 0;
  padding: 0;
  height: 100%;
  overflow: hidden;
}

#background-video {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  object-fit: initial;
}

#chatContainer {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 350px;
  padding: 20px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  background-color: rgb(255 255 255 / 39%);
  border-radius: 5px;
  resize: both;
  overflow: auto;
  max-width: 100%;
  max-height: 100%;
  min-width: 300px;
  min-height: 200px;
}

#chatHistory {
  height: 200px;
  overflow-y: auto;
  margin-bottom: 10px;
  padding: 5px;
  background: #f9f9f9;
  border: 1px solid #eee;
}

#userInput {
  width: calc(100% - 20px);
  margin-bottom: 10px;
}

#buttonContainer {
  text-align: center;
}

button {
  width: 100px;
  padding: 10px;
  margin: 5px;
  border: none;
  background-color: #007bff;
  color: white;
  border-radius: 5px;
  cursor: pointer;
  display: inline-block;
}

button:hover {
  background-color: #0056b3;
}

.user-message {
  background-color: #505050;
  color: white;
  padding: 10px;
  margin: 5px 0;
  border-radius: 10px;
  text-align: right;
}

.bot-message {
  background-color: #707070;
  color: white;
  padding: 10px;
  margin: 5px 0;
  border-radius: 10px;
  text-align: left;
}

.error-message {
  color: red;
  margin: 5px 0;
  padding: 5px;
  text-align: center;
}