body {
  font-family: Arial, sans-serif;
  background-color: #36393f;
  color: white;
  margin: 0;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
}

#login-container {
  background-color: #2f3136;
  padding: 20px;
  border-radius: 8px;
  width: 300px;
}

#chat-container {
  display: flex;
  width: 800px;
  height: 600px;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 0 10px #000;
}

#sidebar {
  background-color: #202225;
  width: 200px;
  padding: 10px;
  display: flex;
  flex-direction: column;
}

#channels h3 {
  margin-top: 0;
}

#channels ul {
  list-style: none;
  padding: 0;
  flex: 1;
  overflow-y: auto;
}

#channels li {
  padding: 5px;
  cursor: pointer;
  border-radius: 4px;
}

#channels li:hover, #channels li.active {
  background-color: #7289da;
}

#chat-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  background-color: #2f3136;
}

#chat-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px;
  background-color: #202225;
}

#messages {
  flex: 1;
  padding: 10px;
  overflow-y: auto;
}

#messages div {
  margin-bottom: 5px;
}

#message-form {
  display: flex;
  padding: 10px;
}

#message-input {
  flex: 1;
  padding: 10px;
  border-radius: 4px;
  border: none;
}

button {
  padding: 10px;
  border: none;
  border-radius: 4px;
  margin-left: 5px;
  cursor: pointer;
}

#new-channel-input {
  padding: 5px;
  border-radius: 4px;
  border: none;
  margin-top: 5px;
}