.chat-box {
  border: 1px solid #ddd;
  border-radius: 4px;
  padding: 15px;
  background-color: #f9f9f9;
}

.chat-message {
  margin-bottom: 15px;
  padding: 10px;
  border: 1px solid #e3e3e3;
  border-radius: 4px;
  background-color: #fff;
}

.message-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 5px;
}

.message-id {
  font-weight: bold;
}

.message-date {
  color: #888;
}

.message-body {
  margin-bottom: 5px;
}

.message-subject {
  font-weight: bold;
}

.message-text {
  margin: 5px 0;
}

.message-file {
  margin-top: 5px;
}

.message-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.message-user {
  color: #555;
}
.truncate {
  display: -webkit-box;
  -webkit-line-clamp: 5;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}