:root{--bg:#141009;--cream:#f2e9d6;--muted:#c9bda4;--gold:#b97850}
body{background:#141009;margin:0;padding:0 0 12px;overflow-x:hidden}
.chapters{margin-top:6px}.progress{display:none}
/* Each sheet is a flat surface within the book’s 3D page turn. */
.book{filter:none}
.book .paper-page{transform-style:flat}
@media(max-width:640px){.chapters{margin:0 0 10px}.controls{padding-bottom:4px}}