body {
  font-family: 'Segoe UI', sans-serif;
  margin: 20px;
  background: #f4f9ff;
  color: #333;
}

input, select, button {
  margin: 4px;
  padding: 6px;
  border: 1px solid #aaa;
  border-radius: 4px;
}

button {
  background-color: #007acc;
  color: white;
  cursor: pointer;
  transition: background 0.2s;
}

button:hover {
  background-color: #005fa3;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
  background-color: white;
}

th, td {
  padding: 8px;
  border: 1px solid #ccc;
  text-align: left;
}

#bitField {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 2px;
  margin-top: 20px;
  max-width: 600px;
}

.bit-cell {
  border: 1px solid #888;
  text-align: center;
  padding: 6px;
  font-size: 12px;
  border-radius: 3px;
  transition: background 0.2s;
}

pre {
  background: #eee;
  padding: 10px;
  white-space: pre-wrap;
}