body {
  font-family: sans-serif;
  direction: ltr;
  text-align: center;
  padding: 40px;
  background-color: #121212;
  color: #f0f0f0;
}

button {
  padding: 12px 25px;
  margin: 10px;
  font-size: 18px;
  cursor: pointer;
  background-color: #1f1f1f;
  color: #fff;
  border: 1px solid #333;
  border-radius: 8px;
  transition: background .3s;
}

button:hover {
  background-color: #333;
}

.topic-box {
  margin: 20px 0;
}

input[type="text"] {
  padding: 8px;
  font-size: 16px;
  border-radius: 6px;
  border: 1px solid #444;
  background-color: #1f1f1f;
  color: #fff;
}

.toggle {
  display: inline-block;
  width: 80px;
  height: 40px;
  background: #555;
  border-radius: 20px;
  position: relative;
  transition: .3s;
  margin-top: 20px;
}

.toggle:before {
  content: "";
  width: 36px;
  height: 36px;
  background: #f0f0f0;
  border-radius: 50%;
  position: absolute;
  top: 2px;
  left: 2px;
  transition: .3s;
}

.toggle.active {
  background: #4CAF50;
}

.toggle.active:before {
  left: 42px;
}

.status {
  margin-top: 20px;
  font-weight: bold;
  color: #ccc;
}