:root[data-theme="notebook"] {
  --page: #f4f1e9;
  --surface: #fffcf5;
  --surface-soft: #e9ebe3;
  --text: #252720;
  --muted: #6f7169;
  --line: #d9d5ca;
  --primary: #435343;
  --primary-hover: #2f3c31;
  --accent: #b66f4c;
  --focus: #1769aa;
  --danger: #9a3f34;
  --shadow: 0 24px 60px rgb(43 48 38 / 8%);
}