/* Chapitrage styles (Option A) */
.csb-wrapper{ margin:1rem 0; font-family: inherit; }
.csb-menu{ margin-bottom:0.8rem; padding:0.4rem; background: #fff; border:1px solid #eee; border-radius:6px; }
.csb-buttons{ display:flex; flex-wrap:wrap; gap:6px; align-items:center; }
.csb-btn{ background:#f3f3f3; border:1px solid #ddd; padding:6px 10px; border-radius:999px; cursor:pointer; }
.csb-btn.csb-active{ background:#0073aa; color:#fff; border-color:#005177; }
.csb-select{ padding:6px; }
.csb-chapter-display{ padding:1rem; border:1px solid #eee; border-radius:6px; background:#fff; min-height:80px; }
.csb-active-chapter{ animation: csbFade .22s ease-in; }
@keyframes csbFade{ from{ opacity:0; transform: translateY(6px) } to{ opacity:1; transform: translateY(0) } }
@media (max-width:800px){ .csb-menu--sticky, .csb-menu--fixed{ position: static; } }