body {
  background-color: white;
  color: black;
  transition: background-color 0.3s ease, color 0.3s ease;
  font-family: Arial, sans-serif;
  display: flex;
  flex-direction: column;
  height: 100vh;
  margin: 0;
  padding: 24px;
  box-sizing: border-box;
  gap: 24px;
}
body.dark-mode,
textarea.dark-mode {
  background-color: #121212;
  color: #e0e0e0;
}

#toggleButton {
  margin: 20px;
  padding: 10px 20px;
  cursor: pointer;
  border: none;
  background-color: #0f0f0f;
  color: white;
  border-radius: 5px;
  font-size: 16px;
  transition: background-color 0.3s ease;
  margin: 0;
}

#toggleButton:hover {
  background-color: #1e1e1e;
}

textarea {
  flex: 1;
  font-family: Arial, Helvetica, sans-serif;
  padding: 16px;
}

.counters {
  display: flex;
  gap: 24px;
  justify-content: flex-end;
}

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

.tag {
  padding: 4px 12px;
  margin: 2px;
  border-radius: 4px;
  border: 1px solid #888;
  display: inline-block;
  border-radius: 24px;
}
.highlight {
  background-color: #d0f0c0;
  border-color: #4caf50;
  font-weight: bold;
}

.dark-mode .tag {
  border-color: #bbb;
}

.dark-mode .highlight {
  background-color: #335533;
  border-color: #81c784;
}