body {
  margin: 0;
  background-color: #161620;
  color: #fff;
  font-family: Arial, sans-serif;
  height: 100vh;
  overflow: hidden;
}

.topbar {
  background-color: #161620;
  padding: 13px 15px;
  font-size: 20px;
  font-weight: bold;
  color: #fff;
  box-shadow: 0 1px 0 #161620;
}

.layout {
  display: flex;
  height: calc(100vh - 48px);
}

.sidebar {
  width: 55px;
  background-color: #161620;
}

.content {
  flex-grow: 1;
  background-color: #1d1d2b;
  border-top-left-radius: 20px;
  padding: 30px;
  margin-top: -10px;
}

.content h1 {
  font-size: 32px;
  color: #f44336;
  margin-bottom: 10px;
}

.content p {
  font-size: 16px;
  color: #ccc;
}