.reader-layout{grid-template-columns:minmax(168px,190px) minmax(0,1fr)!important}
/* B61-1613: AI panel is an overlay sheet gated on body.ai-open (see
   storymemory-b61-1613-reachability-v1.css). Do not force-hide here. */
.reader-nav,.focus-toggle,.reader-toolbar,.reader-stage-brand,.reader-ambient-number,.curl-hint,.reading-progress-edge{display:none!important}
.paper-stack{width:min(100%,940px)!important;max-width:none!important;height:min(880px,94vh)!important}
.paper-inner{padding-left:clamp(24px,4vw,44px)!important;padding-right:clamp(24px,4vw,44px)!important}
.memory-rail{scrollbar-width:none!important;-ms-overflow-style:none!important}
.memory-rail::-webkit-scrollbar{display:none!important;width:0!important;height:0!important}
.memory-focus-empty b{font-size:13px!important;color:#4f4944!important;font-family:var(--font-bible)!important}
.memory-focus-empty span{font-size:13px!important;line-height:1.68!important;color:#4f4944!important;letter-spacing:-0.01em!important;font-family:var(--font-bible)!important}
.v2-chapter-chip{display:inline-flex;align-items:center;gap:6px;margin:0 0 6px 14px;padding:5px 12px;border:1px solid rgba(79,73,68,.28);border-radius:999px;background:rgba(255,255,255,.7);color:#4f4944;font-family:var(--font-ui,inherit);font-size:11.5px;font-weight:600;letter-spacing:.02em;cursor:pointer;box-shadow:0 1px 3px rgba(30,25,20,.08)}
.v2-chapter-chip:hover{background:#fff;border-color:rgba(79,73,68,.5)}
@media (max-width:768px){
.reader-layout{grid-template-columns:minmax(0,1fr)!important}
/* B61-1613: rail/panel sheets governed by reachability stylesheet. */
.reader-stage{inset:0!important}
.paper-stack{width:100%!important;height:100%!important}
.v2-chapter-chip{margin-left:10px}
}