body {
  margin: 0;
  font-family: Arial, sans-serif;
  background-color: #2f2f2f;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.chat-container {
  width: 400px;
  height: 600px;
  background-color: #1e1e1e;
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.chat-header {
  background-color: #4dd0e1;
  color: black;
  padding: 15px;
  font-size: 20px;
  font-weight: bold;
}

.chat-messages {
  flex: 1;
  padding: 15px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.message {
  padding: 10px 15px;
  border-radius: 10px;
  max-width: 70%;
  display: flex;
  flex-direction: column;
}

.received {
  background-color: #3b3b3b;
  color: white;
  align-self: flex-start;
}

.sent {
  background-color: #4dd0e1;
  color: black;
  align-self: flex-end;
}

.sender-name {
  font-size: 12px;
  opacity: 0.7;
  margin-bottom: 5px;
  font-weight: bold;
}

.message p {
  margin: 0;
}

.chat-input-area {
  display: flex;
  padding: 10px;
  background-color: #2a2a2a;
}

.chat-input-area input {
  flex: 1;
  padding: 10px;
  border: none;
  border-radius: 5px;
  font-size: 16px;
}

.chat-input-area button {
  margin-left: 10px;
  padding: 10px 15px;
  border: none;
  background-color: #4dd0e1;
  color: black;
  border-radius: 5px;
  cursor: pointer;
}