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ease}.r2l-book-trail{display:flex;align-items:flex-start;gap:0;margin:0;padding:var(--space-2, .5rem) 0;list-style:none;overflow-x:auto;scrollbar-width:thin}.r2l-book-trail__node{position:relative;flex:1 1 0;min-width:48px;display:flex;flex-direction:column;align-items:center}.r2l-book-trail__node:before{content:"";position:absolute;top:22px;left:-50%;width:100%;height:3px;background:color-mix(in srgb,var(--cream-dim, #aa9673) 30%,transparent);background-image:repeating-linear-gradient(90deg,color-mix(in srgb,var(--cream-dim, #aa9673) 40%,transparent) 0,color-mix(in srgb,var(--cream-dim, #aa9673) 40%,transparent) 4px,transparent 4px,transparent 8px)}.r2l-book-trail__node:first-child:before{display:none}.r2l-book-trail__node[data-state=completed]:before{background:linear-gradient(90deg,var(--gold, #c88f38),var(--gold-light, #f2cc7e));background-image:none}.r2l-book-trail__btn{display:flex;flex-direction:column;align-items:center;gap:var(--space-1, .25rem);min-width:44px;min-height:44px;padding:0;border:none;background:transparent;cursor:pointer;position:relative;z-index:1}.r2l-book-trail__btn:disabled{cursor:default}.r2l-book-trail__icon{display:flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:var(--radius-full, 9999px);font-size:1.1rem;font-weight:800;color:var(--cream, #f5e6c8);border:2px dashed color-mix(in srgb,var(--cream-dim, #aa9673) 40%,transparent);background:var(--navy-900, #17354a)}.r2l-book-trail__node[data-state=completed] .r2l-book-trail__icon{border:2px solid var(--gold, #c88f38);background:var(--gold, #c88f38);color:var(--navy-950, #10273a)}.r2l-book-trail__node[data-state=active] .r2l-book-trail__icon{border:2px solid var(--gold, #c88f38);background:color-mix(in srgb,var(--gold, #c88f38) 15%,transparent);box-shadow:0 0 0 4px color-mix(in srgb,var(--gold, #c88f38) 20%,transparent);animation:r2l-book-trail-pulse 1.8s ease-in-out infinite}.r2l-book-trail__minny{width:32px;height:32px;border-radius:var(--radius-full, 9999px);-o-object-fit:contain;object-fit:contain}.r2l-book-trail__pill{position:absolute;top:-6px;background:var(--gold, #c88f38);color:var(--navy-950, #10273a);font-size:.65rem;font-weight:800;padding:1px 6px;border-radius:var(--radius-full, 9999px);white-space:nowrap}.r2l-book-trail__label{font-size:.7rem;font-weight:700;color:var(--cream-muted, #d9c7a4);text-align:center;white-space:nowrap}.r2l-book-trail__node[data-state=upcoming] .r2l-book-trail__label{color:var(--cream-dim, #aa9673);opacity:.6}.r2l-book-trail__sub{font-size:.58rem;font-weight:700;letter-spacing:.04em;color:var(--cream-dim, #aa9673);text-align:center;white-space:nowrap}.r2l-book-trail__node[data-state=completed] .r2l-book-trail__sub{color:var(--gold-light, #f2cc7e)}.r2l-book-trail__node[data-state=active] .r2l-book-trail__sub{color:var(--cream-muted, #d9c7a4)}@keyframes r2l-book-trail-pulse{0%,to{box-shadow:0 0 0 4px color-mix(in srgb,var(--gold, #c88f38) 20%,transparent)}50%{box-shadow:0 0 0 8px color-mix(in srgb,var(--gold, #c88f38) 10%,transparent)}}@media(prefers-reduced-motion:reduce){.r2l-book-trail__node[data-state=active] .r2l-book-trail__icon{animation:none}}@media(max-width:639px){.r2l-book-trail__icon{width:36px;height:36px;font-size:.9rem}.r2l-book-trail__minny{width:26px;height:26px}.r2l-book-trail__label{font-size:.6rem}.r2l-book-trail__node{min-width:36px}}.r2l-book-reader{--book-panel: color-mix(in srgb, var(--navy-850) 88%, var(--navy-950));--book-panel-soft: color-mix(in srgb, var(--navy-900) 82%, transparent);display:block;width:100%;max-width:92rem;margin-inline:auto;padding:clamp(.75rem,2vw,1.5rem);border:1px solid color-mix(in srgb,var(--cream) 14%,transparent);border-radius:var(--radius-2xl);background:radial-gradient(circle at 72% 0%,color-mix(in srgb,var(--gold) 7%,transparent),transparent 30rem),var(--navy-950);box-shadow:var(--shadow-2xl);color:var(--cream)}.r2l-book-reader.hidden,.r2l-book-reader .hidden{display:none}.r2l-book-eyebrow{margin:0;color:var(--gold-light);font-size:.69rem;font-weight:800;letter-spacing:.15em;line-height:1.3;text-transform:uppercase}.r2l-book-trail-header{gap:var(--space-4);margin-bottom:var(--space-5);padding:clamp(1rem,2vw,1.4rem);border:1px solid color-mix(in srgb,var(--cream) 12%,transparent);border-radius:var(--radius-xl);background:var(--book-panel);box-shadow:var(--shadow-card)}.r2l-book-trail-header__title-row{display:flex;align-items:flex-end;justify-content:space-between;gap:var(--space-4);margin-top:var(--space-2)}.r2l-book-trail-header__title{margin:0;font-family:var(--font-display);font-size:clamp(1.1rem,2.5vw,1.45rem);font-weight:800;line-height:1.2;color:var(--cream)}.r2l-book-trail-header__meta,.r2l-book-page-count{margin:var(--space-1) 0 0;color:var(--cream-dim);font-size:.76rem;font-weight:650}.r2l-book-page-count{flex:none;color:var(--cream-muted)}.r2l-book-trail-bar{height:6px;background:color-mix(in srgb,var(--cream) 12%,transparent)}.r2l-book-trail-bar__fill{background:linear-gradient(90deg,var(--gold),var(--gold-light));box-shadow:0 0 16px color-mix(in srgb,var(--gold) 55%,transparent)}.r2l-book-trail{align-items:flex-start;overflow:visible;padding:var(--space-2) 0 0}.r2l-book-trail__node{min-width:44px}.r2l-book-trail__node:before{top:27px;height:4px}.r2l-book-trail__btn{width:100%;gap:var(--space-2);color:inherit}.r2l-book-trail__btn:not(:disabled):hover .r2l-book-trail__icon,.r2l-book-trail__btn:focus-visible .r2l-book-trail__icon{transform:translateY(-2px);border-color:var(--gold-light)}.r2l-book-trail__btn:focus-visible{border-radius:var(--radius-lg);outline:3px solid color-mix(in srgb,var(--gold-light) 65%,transparent);outline-offset:3px}.r2l-book-trail__icon{width:54px;height:54px;border-color:color-mix(in srgb,var(--cream-muted) 42%,transparent);background:color-mix(in srgb,var(--cream) 7%,var(--navy-900));font-family:var(--font-display);font-size:1rem;transition:transform .18s ease,border-color .18s ease}.r2l-book-trail__node[data-state=completed] .r2l-book-trail__icon{border-color:var(--gold-light);background:linear-gradient(160deg,var(--gold-light),var(--gold));box-shadow:0 0 0 4px var(--navy-850),var(--shadow-md)}.r2l-book-trail__node[data-state=active] .r2l-book-trail__icon{width:60px;height:60px;border-width:3px;background:var(--navy-900);box-shadow:0 0 0 4px color-mix(in srgb,var(--gold) 20%,transparent),var(--shadow-lg)}.r2l-book-trail__node[data-state=reward] .r2l-book-trail__icon{border-style:solid;color:var(--gold-light)}.r2l-book-trail__minny{width:42px;height:42px}.r2l-book-trail__pill{top:-9px;border:2px solid var(--navy-850);font-size:.6rem}.r2l-book-trail__label{max-width:7rem;overflow:hidden;color:var(--cream);font-size:.69rem;line-height:1.25;text-overflow:ellipsis}.r2l-book-workspace{display:grid;grid-template-columns:minmax(0,1fr);gap:var(--space-5);perspective:1200px}.r2l-book-page-shell,.r2l-book-panel{min-width:0}.r2l-book-page-shell{transform-origin:left center}.r2l-book-page-shell.is-turning{animation:r2l-book-page-turn .6s cubic-bezier(.22,.75,.3,1) both}.r2l-book-page-shell.is-entering{animation:r2l-book-page-enter .42s cubic-bezier(.22,.75,.3,1) both}.r2l-book-page{display:flex;min-height:0;flex-direction:column;border-color:color-mix(in srgb,var(--cream) 14%,transparent);border-radius:var(--radius-2xl);background:var(--navy-900);box-shadow:var(--shadow-xl)}.r2l-book-page__art{height:clamp(18rem,54vw,34rem);border-radius:calc(var(--radius-2xl) - 1px) calc(var(--radius-2xl) - 1px) 0 0;background:var(--navy-900);isolation:isolate}.r2l-book-page__art:before{content:"";position:absolute;inset:-12px;z-index:0;background-image:var(--book-art-image);background-position:center;background-size:cover;filter:blur(12px) saturate(.82);opacity:.52;transform:scale(1.04)}.r2l-book-page__art:after{content:"";position:absolute;inset:0;z-index:1;background:color-mix(in srgb,var(--navy-950) 32%,transparent);pointer-events:none}.r2l-book-page img{z-index:2;-o-object-fit:contain;object-fit:contain;background:color-mix(in srgb,var(--navy-950) 12%,transparent)}.r2l-book-page__badge,.r2l-book-page__credit{position:absolute;top:var(--space-4);z-index:3;display:inline-flex;min-height:32px;align-items:center;border:1px solid color-mix(in srgb,var(--cream) 20%,transparent);border-radius:var(--radius-full);background:color-mix(in srgb,var(--navy-950) 78%,transparent);padding:0 var(--space-3);color:var(--cream);font-size:.72rem;font-weight:750;backdrop-filter:blur(8px)}.r2l-book-page__badge{left:var(--space-4)}.r2l-book-page__credit{right:var(--space-4);color:var(--cream-muted)}.r2l-book-page__nav{position:absolute;top:50%;z-index:3;display:none;width:44px;height:44px;align-items:center;justify-content:center;border:1px solid color-mix(in srgb,var(--cream) 20%,transparent);border-radius:var(--radius-full);background:color-mix(in srgb,var(--navy-950) 76%,transparent);color:var(--cream);font-size:1.2rem;transform:translateY(-50%);backdrop-filter:blur(8px)}.r2l-book-page__nav--prev{left:var(--space-4)}.r2l-book-page__nav--next{right:var(--space-4)}.r2l-book-page__nav:hover{background:var(--gold);color:var(--navy-950)}.r2l-book-page__nav:disabled{opacity:.35;cursor:default}.r2l-book-karaoke{min-height:8.2rem;border-top:1px solid color-mix(in srgb,var(--cream) 12%,transparent);background:linear-gradient(180deg,color-mix(in srgb,var(--navy-900) 72%,transparent),var(--navy-950));padding:var(--space-4) var(--space-5)}.r2l-book-karaoke__text{margin:var(--space-2) 0 0;color:var(--cream-dim);font-family:var(--font-display);font-size:clamp(1.12rem,2.1vw,1.38rem);font-weight:750;line-height:1.45}.r2l-book-karaoke__text[data-active=true]{color:var(--cream);background-image:linear-gradient(180deg,transparent 64%,color-mix(in srgb,var(--gold) 48%,transparent) 64%);background-decoration-break:clone;-webkit-box-decoration-break:clone;box-decoration-break:clone}.r2l-book-panel{display:flex;flex-direction:column;gap:var(--space-4)}.r2l-book-stepper{display:flex;align-items:center;gap:var(--space-2);padding:var(--space-2);border:1px solid color-mix(in srgb,var(--cream) 12%,transparent);border-radius:var(--radius-xl);background:var(--book-panel)}.r2l-book-stepper__step{display:flex;min-height:44px;min-width:0;flex:1;align-items:center;justify-content:center;gap:var(--space-2);border:1px solid color-mix(in srgb,var(--cream) 14%,transparent);border-radius:var(--radius-lg);color:var(--cream-muted);font-size:.78rem;font-weight:750}.r2l-book-stepper__step b{display:inline-flex;width:25px;height:25px;flex:none;align-items:center;justify-content:center;border-radius:var(--radius-full);background:color-mix(in srgb,var(--cream) 12%,transparent);color:var(--cream-muted);font-size:.72rem}.r2l-book-stepper__arrow{color:var(--cream-dim)}.r2l-book-reader[data-book-stage=story] [data-book-step=story],.r2l-book-reader[data-book-stage=questions] [data-book-step=questions],.r2l-book-reader[data-book-stage=shadow] [data-book-step=shadow]{border-color:color-mix(in srgb,var(--gold) 55%,transparent);background:color-mix(in srgb,var(--gold) 16%,transparent);color:var(--gold-light)}.r2l-book-reader[data-book-stage=story] [data-book-step=story] b,.r2l-book-reader[data-book-stage=questions] [data-book-step=questions] b,.r2l-book-reader[data-book-stage=shadow] [data-book-step=shadow] b{background:var(--gold);color:var(--navy-950)}.r2l-book-reader[data-book-stage=questions] [data-book-step=story],.r2l-book-reader[data-book-stage=shadow] [data-book-step=story],.r2l-book-reader[data-book-stage=shadow] [data-book-step=questions],.r2l-book-reader[data-book-stage=next] .r2l-book-stepper__step{border-color:color-mix(in srgb,var(--success) 45%,transparent);color:var(--success)}.r2l-book-story-card,.r2l-book-gate,.r2l-book-question-card,.r2l-book-shadow-stage,.r2l-book-reward{border:1px solid color-mix(in srgb,var(--cream) 12%,transparent);border-radius:var(--radius-2xl);background:var(--book-panel);box-shadow:var(--shadow-card)}.r2l-book-story-card{padding:clamp(1rem,2vw,1.5rem)}.r2l-book-story-card__heading{display:flex;align-items:center;gap:var(--space-3)}.r2l-book-story-card__heading:after{content:"";height:1px;flex:1;background:color-mix(in srgb,var(--cream) 14%,transparent)}.r2l-book-story-card__heading>span{color:var(--cream-dim);font-size:.67rem}.r2l-book-page__text{height:auto;min-height:9.25rem;max-height:18rem;margin-top:var(--space-3);overflow-y:auto;border:0;background:transparent;padding:0 var(--space-1) 0 0;color:var(--cream-muted);font-family:var(--font-display);font-size:clamp(1.125rem,2.2vw,1.38rem);font-weight:650;line-height:1.62;text-shadow:none}.r2l-book-sentence{border-radius:.2rem;transition:color .16s ease,background-image .16s ease}.r2l-book-sentence[data-active=true]{color:var(--cream);background-image:linear-gradient(180deg,transparent 66%,color-mix(in srgb,var(--gold) 55%,transparent) 66%);background-decoration-break:clone;-webkit-box-decoration-break:clone;box-decoration-break:clone}.r2l-book-sentence-translation{display:block;margin:var(--space-1) 0 var(--space-2);color:var(--cream-dim);font-family:var(--font-sans);font-size:.82rem;font-weight:550;line-height:1.45}.r2l-book-helpers{display:flex;flex-wrap:wrap;gap:var(--space-2);margin-top:var(--space-4)}.r2l-book-helper,.r2l-book-retry{min-height:44px;border:1px solid color-mix(in srgb,var(--cream-muted) 28%,transparent);border-radius:var(--radius-full);background:color-mix(in srgb,var(--cream) 6%,transparent);padding:0 var(--space-4);color:var(--cream-muted);font-size:.75rem;font-weight:750}.r2l-book-helper:hover,.r2l-book-helper[aria-expanded=true],.r2l-book-helper:focus-visible,.r2l-book-retry:hover{border-color:var(--gold);color:var(--gold-light)}.r2l-book-helper-panel{margin-top:var(--space-3);border:1px solid color-mix(in srgb,var(--gold) 25%,transparent);border-radius:var(--radius-lg);background:color-mix(in srgb,var(--gold) 8%,transparent);padding:var(--space-3);color:var(--cream-muted);font-size:.82rem;line-height:1.55}.r2l-vocab-card{padding:var(--space-3) 0;border-bottom:1px solid color-mix(in srgb,var(--cream) 10%,transparent)}.r2l-vocab-card:last-child{border-bottom:none}.r2l-vocab-word{font-size:var(--text-base);color:var(--gold-light)}.r2l-vocab-context{margin-top:var(--space-1);font-size:.88rem;font-style:italic;color:var(--cream-muted);line-height:var(--leading-relaxed)}.r2l-vocab-vi{margin-top:var(--space-1);font-size:.75rem;color:var(--cream-dim)}.r2l-book-stage-stack{position:relative;min-height:15rem}.r2l-book-reader [data-book-stage-container]:not(.hidden){animation:r2l-book-stage-in .25s ease both}.r2l-book-reader [data-book-stage-container].is-leaving{position:absolute;inset:0;z-index:4;display:block;pointer-events:none;animation:r2l-book-stage-out .18s ease both}.r2l-book-gate{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:var(--space-4);min-height:15rem;padding:clamp(1rem,2.5vw,1.5rem);background:radial-gradient(circle at 84% 42%,color-mix(in srgb,var(--gold) 20%,transparent),transparent 9rem),var(--book-panel)}.r2l-book-audio__copy h3,.r2l-book-question-card h3,.r2l-book-shadow-stage h3,.r2l-book-reward h3{margin:var(--space-2) 0;color:var(--cream);font-family:var(--font-display);font-size:clamp(1.25rem,2.7vw,1.7rem);font-weight:850;line-height:1.25}.r2l-book-audio__copy>p:last-child,.r2l-book-audio__excerpt{margin:0;color:var(--cream-dim);font-size:.82rem;line-height:1.5}.r2l-book-audio__button{position:relative;display:grid;width:88px;height:88px;min-width:44px;min-height:44px;place-items:center;border:2px solid var(--gold-light);border-radius:var(--radius-full);background:linear-gradient(160deg,var(--gold-light),var(--gold));box-shadow:0 0 0 8px color-mix(in srgb,var(--gold) 10%,transparent),var(--shadow-lg);color:var(--navy-950);font-size:1.65rem;transition:transform .16s ease,box-shadow .16s ease}.r2l-book-audio__button:hover{transform:translateY(-2px) scale(1.02)}.r2l-book-audio__button:focus-visible{outline:4px solid color-mix(in srgb,var(--cream) 60%,transparent);outline-offset:4px}.r2l-book-audio__pause,.r2l-book-audio__check,.r2l-book-audio__wave,.r2l-book-audio__mobile-label{display:none}.r2l-book-gate[data-audio-state=playing] .r2l-book-audio__button{animation:r2l-book-audio-halo 1.4s ease-in-out infinite}.r2l-book-gate[data-audio-state=playing] .r2l-book-audio__play,.r2l-book-gate[data-audio-state=playing] .r2l-book-audio__check,.r2l-book-gate[data-audio-state=paused] .r2l-book-audio__play,.r2l-book-gate[data-audio-state=done] .r2l-book-audio__play{display:none}.r2l-book-gate[data-audio-state=playing] .r2l-book-audio__wave,.r2l-book-gate[data-audio-state=paused] .r2l-book-audio__pause,.r2l-book-gate[data-audio-state=done] .r2l-book-audio__check{display:flex}.r2l-book-audio__wave{height:32px;align-items:center;gap:3px}.r2l-book-audio__wave i{width:4px;height:11px;border-radius:var(--radius-full);background:var(--navy-950);animation:r2l-book-wave .7s ease-in-out infinite alternate}.r2l-book-audio__wave i:nth-child(2){animation-delay:-.3s}.r2l-book-audio__wave i:nth-child(3){animation-delay:-.5s}.r2l-book-audio__wave i:nth-child(4){animation-delay:-.2s}.r2l-book-audio__wave i:nth-child(5){animation-delay:-.4s}.r2l-book-audio__timeline{display:grid;grid-column:1 / -1;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:var(--space-2);color:var(--cream-dim);font-size:.68rem}.r2l-book-audio__track{height:6px;overflow:hidden;border-radius:var(--radius-full);background:color-mix(in srgb,var(--cream) 12%,transparent)}.r2l-book-audio__track span{display:block;width:0;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--gold),var(--gold-light))}.r2l-book-audio__excerpt{grid-column:1 / -1;min-height:1.25rem;text-align:center}.r2l-book-next-cta{min-height:52px;border:1px solid var(--gold-light);border-radius:var(--radius-xl);background:linear-gradient(160deg,var(--gold-light),var(--gold));box-shadow:0 8px color-mix(in srgb,var(--gold) 55%,var(--navy-950)),var(--shadow-md);padding:0 var(--space-6);color:var(--navy-950);font-family:var(--font-display);font-size:.95rem;font-weight:850}.r2l-book-gate .r2l-book-next-cta{grid-column:1 / -1;width:100%}.r2l-book-next-cta:not(:disabled):hover{transform:translateY(-1px);filter:brightness(1.06)}.r2l-book-next-cta:disabled{opacity:.46;cursor:not-allowed}.r2l-book-question-card,.r2l-book-shadow-stage,.r2l-book-reward{min-height:15rem;padding:clamp(1rem,2.5vw,1.5rem)}.r2l-book-question-options{display:grid;gap:var(--space-3);margin-top:var(--space-4)}.r2l-book-guided-option{position:relative;min-height:64px;border:1px solid color-mix(in srgb,var(--cream-muted) 26%,transparent);border-radius:var(--radius-xl);background:color-mix(in srgb,var(--cream) 6%,transparent);padding:var(--space-3) var(--space-4) var(--space-3) 3.4rem;color:var(--cream);font-size:1rem;font-weight:750;text-align:left;transition:transform .15s ease,border-color .15s ease,background .15s ease}.r2l-book-guided-option:before{content:attr(data-option-label);position:absolute;left:var(--space-4);display:inline-flex;width:25px;height:25px;align-items:center;justify-content:center;border-radius:var(--radius-full);background:color-mix(in srgb,var(--cream) 12%,transparent);color:var(--cream-muted);font-size:.72rem}.r2l-book-guided-option:not(:disabled):hover,.r2l-book-guided-option:focus-visible{transform:translateY(-2px);border-color:var(--gold);background:color-mix(in srgb,var(--gold) 10%,transparent)}.r2l-book-guided-option[data-state=correct]{border:2px solid var(--success);background:color-mix(in srgb,var(--success) 18%,transparent);color:var(--cream)}.r2l-book-guided-option[data-state=correct]:before{content:"✓";background:var(--success);color:var(--navy-950)}.r2l-book-guided-option[data-state=retry]{border-style:dashed;color:var(--cream-dim);text-decoration:line-through}.r2l-book-question-feedback{display:grid;grid-template-columns:56px minmax(0,1fr);align-items:center;gap:var(--space-3);margin-top:var(--space-4);border-radius:var(--radius-xl);padding:var(--space-3)}.r2l-book-question-feedback[data-state=correct]{border:1px solid color-mix(in srgb,var(--success) 52%,transparent);background:color-mix(in srgb,var(--success) 13%,transparent)}.r2l-book-question-feedback[data-state=retry]{border:1px dashed color-mix(in srgb,var(--gold) 45%,transparent);background:color-mix(in srgb,var(--gold) 8%,transparent)}.r2l-book-question-feedback img{width:56px;height:56px;-o-object-fit:contain;object-fit:contain;animation:r2l-book-minny-bob 1s ease-in-out 2}.r2l-book-question-feedback[data-state=retry] img{animation-name:r2l-book-gentle-wobble}.r2l-book-question-feedback p{margin:0;color:var(--cream-muted);font-size:.78rem}.r2l-book-question-feedback__title{color:var(--cream)!important;font-weight:850}.r2l-book-question-rewards,.r2l-book-reward__pills{display:flex;flex-wrap:wrap;gap:var(--space-2);margin-top:var(--space-3)}.r2l-book-question-rewards span,.r2l-book-reward__pills span{display:inline-flex;min-height:44px;align-items:center;border:1px solid color-mix(in srgb,var(--gold) 45%,transparent);border-radius:var(--radius-full);background:color-mix(in srgb,var(--gold) 12%,transparent);padding:0 var(--space-4);color:var(--gold-light);font-size:.78rem;font-weight:800}.r2l-book-question-hint{margin-top:var(--space-3);border:1px solid color-mix(in srgb,var(--gold) 40%,transparent);border-radius:var(--radius-xl);background:color-mix(in srgb,var(--gold) 8%,transparent);padding:var(--space-4);color:var(--cream-muted);font-size:.8rem;line-height:1.5}.r2l-book-question-hint strong{color:var(--gold-light);text-transform:uppercase;letter-spacing:.08em;font-size:.68rem}.r2l-book-question-hint p{margin:var(--space-2) 0 0}.r2l-book-retry{margin-top:var(--space-3)}.r2l-book-shadow-stage{background:radial-gradient(circle at 82% 20%,color-mix(in srgb,var(--danger) 13%,transparent),transparent 11rem),var(--book-panel)}.r2l-book-shadow-stage__heading{display:flex;align-items:flex-start;justify-content:space-between;gap:var(--space-3)}.r2l-book-shadow-stage__heading>p{margin:0;color:var(--gold-light);font-size:.72rem;font-weight:800}.r2l-book-shadow-stage__lead{margin:0 0 var(--space-3);color:var(--cream-dim);font-size:.8rem}.r2l-book-shadow-card{position:relative;overflow:hidden;border:1px solid color-mix(in srgb,var(--cream) 12%,transparent);border-radius:var(--radius-xl);background:color-mix(in srgb,var(--navy-950) 64%,transparent);padding:var(--space-4)}.r2l-book-shadow-card__visuals{display:grid;grid-template-columns:112px minmax(100px,1fr);align-items:center;justify-content:center;gap:var(--space-5);max-width:22rem;margin:0 auto var(--space-4)}.r2l-book-shadow-card [data-speak-record]{position:relative;width:110px;height:110px;min-height:110px;border:2px solid color-mix(in srgb,var(--cream) 55%,transparent);border-radius:var(--radius-full);background:linear-gradient(160deg,color-mix(in srgb,var(--danger) 72%,var(--gold-light)),var(--danger));box-shadow:0 0 0 10px color-mix(in srgb,var(--danger) 10%,transparent),var(--shadow-xl);color:var(--cream);font-size:.82rem;font-weight:850}.r2l-book-shadow-card[data-rec-state=recording] [data-speak-record]{animation:r2l-book-record-pulse 1.15s ease-in-out infinite}.r2l-book-shadow-card[data-rec-state=recording] [data-speak-record]:after{content:"● REC";position:absolute;top:-8px;right:-6px;border-radius:var(--radius-full);background:var(--navy-950);padding:3px 7px;color:var(--cream);font-size:.58rem;letter-spacing:.08em}.r2l-book-shadow-meter{position:relative;display:grid;min-height:110px;place-items:center}.r2l-book-shadow-meter__star{position:relative;width:92px;height:92px;overflow:hidden;clip-path:polygon(50% 0%,61% 34%,97% 36%,68% 57%,78% 92%,50% 72%,22% 92%,32% 57%,3% 36%,39% 34%);background:color-mix(in srgb,var(--cream) 12%,transparent);box-shadow:inset 0 0 0 2px var(--gold)}.r2l-book-shadow-meter__fill{position:absolute;inset:auto 0 0;width:100%!important;height:6%;background:linear-gradient(180deg,var(--gold-light),var(--gold));transition:height .1s linear}.r2l-book-shadow-wave{display:flex;height:44px;align-items:center;justify-content:center;gap:3px;margin:var(--space-3) 0}.r2l-book-shadow-wave i{width:4px;height:8px;border-radius:var(--radius-full);background:var(--gold-light);transition:height 90ms linear}.r2l-book-shadow-card[data-rec-state=recording] .r2l-book-shadow-wave i{animation:r2l-book-wave .62s ease-in-out infinite alternate}.r2l-book-shadow-card__text{margin:var(--space-3) 0;color:var(--cream);font-family:var(--font-display);font-size:1.06rem;font-weight:750;line-height:1.45;text-align:center}.r2l-book-shadow-card__hint,.r2l-book-shadow-card [data-book-attempt-status]{margin:var(--space-2) 0;color:var(--cream-dim);font-size:.75rem;text-align:center}.r2l-book-shadow-card [data-speak-listen],.r2l-book-shadow-card [data-book-shadow-continue]{min-height:48px;border-radius:var(--radius-xl)}.r2l-book-shadow-result{margin-top:var(--space-3);border:1px solid color-mix(in srgb,var(--success) 40%,transparent);border-radius:var(--radius-xl);background:color-mix(in srgb,var(--success) 10%,transparent);padding:var(--space-3);color:var(--cream-muted);font-size:.8rem;text-align:center}.r2l-book-parent-help{margin-top:var(--space-3);border:1px solid color-mix(in srgb,var(--gold) 35%,transparent);border-radius:var(--radius-xl);background:color-mix(in srgb,var(--gold) 9%,transparent);padding:var(--space-4);color:var(--cream-muted);font-size:.78rem}.r2l-book-parent-help p{margin:0 0 var(--space-2)}.r2l-book-parent-help strong{color:var(--gold-light)}.r2l-book-parent-help button{width:100%;min-height:44px}.r2l-book-reward{position:relative;overflow:hidden;border-color:color-mix(in srgb,var(--gold) 65%,transparent);background:radial-gradient(circle at 50% 15%,color-mix(in srgb,var(--gold) 22%,transparent),transparent 10rem),var(--book-panel);text-align:center}.r2l-book-reward__star{position:relative;z-index:1;display:block;width:112px;height:112px;margin-inline:auto;clip-path:polygon(50% 0%,61% 34%,97% 36%,68% 57%,78% 92%,50% 72%,22% 92%,32% 57%,3% 36%,39% 34%);background:linear-gradient(160deg,var(--gold-light),var(--gold));box-shadow:0 0 34px color-mix(in srgb,var(--gold) 48%,transparent);animation:r2l-book-minny-bob 1.3s ease-in-out infinite}.r2l-book-reward__star i{position:absolute;top:43%;z-index:2;width:7px;height:10px;border-radius:var(--radius-full);background:var(--navy-950)}.r2l-book-reward__star i:first-child{left:35%}.r2l-book-reward__star i:nth-child(2){right:35%}.r2l-book-reward__star b{position:absolute;left:50%;top:55%;z-index:2;width:30px;height:15px;border-bottom:4px solid var(--navy-950);border-radius:0 0 var(--radius-full) var(--radius-full);transform:translate(-50%)}.r2l-book-reward>p:not(.r2l-book-eyebrow){margin:var(--space-2) auto;max-width:28rem;color:var(--cream-muted)}.r2l-book-reward__pills{justify-content:center}.r2l-book-reward .r2l-book-next-cta{width:min(100%,24rem);margin-top:var(--space-4)}.r2l-book-reward__sparkles i{position:absolute;width:7px;height:7px;border-radius:var(--radius-full);background:var(--gold-light);animation:r2l-book-spark 1.4s ease-out infinite}.r2l-book-reward__sparkles i:nth-child(1){left:15%;top:25%}.r2l-book-reward__sparkles i:nth-child(2){left:27%;top:68%;animation-delay:-.5s}.r2l-book-reward__sparkles i:nth-child(3){right:17%;top:30%;animation-delay:-.9s}.r2l-book-reward__sparkles i:nth-child(4){right:25%;top:72%;animation-delay:-.25s}.r2l-book-reward__sparkles i:nth-child(5){left:51%;top:9%;animation-delay:-.7s}.r2l-book-shortcuts{display:none;flex-wrap:wrap;gap:var(--space-3);color:var(--cream-dim);font-size:.64rem}.r2l-book-shortcuts kbd{border:1px solid color-mix(in srgb,var(--cream) 20%,transparent);border-radius:var(--radius-sm);background:var(--navy-900);padding:2px 5px;color:var(--cream-muted);font-family:var(--font-sans)}.r2l-book-attribution{margin-top:var(--space-5)}@keyframes r2l-book-stage-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes r2l-book-stage-out{0%{opacity:1;transform:translateY(0)}to{opacity:0;transform:translateY(-8px)}}@keyframes r2l-book-page-turn{0%{opacity:1;transform:rotateY(0) translate(0)}to{opacity:0;transform:rotateY(-32deg) translate(-10%)}}@keyframes r2l-book-page-enter{0%{opacity:0;transform:translate(9%)}to{opacity:1;transform:translate(0)}}@keyframes r2l-book-audio-halo{0%,to{box-shadow:0 0 0 8px color-mix(in srgb,var(--gold) 10%,transparent),var(--shadow-lg)}50%{box-shadow:0 0 0 16px color-mix(in srgb,var(--gold) 4%,transparent),0 0 34px color-mix(in srgb,var(--gold) 35%,transparent)}}@keyframes r2l-book-wave{0%{height:8px}to{height:30px}}@keyframes r2l-book-minny-bob{0%,to{transform:translateY(0) rotate(-2deg)}50%{transform:translateY(-6px) rotate(2deg)}}@keyframes r2l-book-gentle-wobble{0%,to{transform:rotate(0)}25%{transform:rotate(-5deg)}75%{transform:rotate(5deg)}}@keyframes r2l-book-record-pulse{0%,to{box-shadow:0 0 0 10px color-mix(in srgb,var(--danger) 10%,transparent),var(--shadow-xl)}50%{box-shadow:0 0 0 18px color-mix(in srgb,var(--danger) 4%,transparent),var(--shadow-xl)}}@keyframes r2l-book-spark{0%{opacity:0;transform:scale(.3) translateY(6px)}35%{opacity:1}to{opacity:0;transform:scale(1.5) translateY(-18px)}}@media(min-width:960px){.r2l-book-reader{width:min(calc(100vw - 4rem),80rem);margin-left:50%;transform:translate(-50%)}.r2l-book-workspace{grid-template-columns:minmax(0,1.12fr) minmax(21rem,.88fr);align-items:start}.r2l-book-page__art{height:clamp(22rem,36vw,30rem)}.r2l-book-page__nav{display:inline-flex}.r2l-book-question-options{grid-template-columns:1fr 1fr}}@media(min-width:1360px),(min-width:1280px)and (max-height:850px){.r2l-book-reader{display:grid;width:min(calc(100vw - 4rem),92rem);grid-template-columns:220px minmax(0,1fr);gap:var(--space-6);padding:var(--space-6)}.r2l-book-trail-header{position:sticky;top:var(--space-4);grid-column:1;align-self:start;margin:0}.r2l-book-trail-header__title-row{align-items:flex-start}.r2l-book-trail-header__meta{max-width:10rem}.r2l-book-page-count{color:var(--gold-light)}.r2l-book-trail{flex-direction:column;gap:var(--space-2);padding:var(--space-2) 0}.r2l-book-trail__node{width:100%;min-width:0;align-items:flex-start}.r2l-book-trail__node:before{top:-18px;left:26px;width:4px;height:36px;background-image:repeating-linear-gradient(180deg,color-mix(in srgb,var(--cream-dim) 42%,transparent) 0 4px,transparent 4px 8px)}.r2l-book-trail__node[data-state=completed]:before{background:linear-gradient(180deg,var(--gold),var(--gold-light))}.r2l-book-trail__btn{min-height:48px;flex-direction:row;justify-content:flex-start;border:1px solid transparent;border-radius:var(--radius-lg);padding:var(--space-1) var(--space-2)}.r2l-book-trail__node[data-state=active] .r2l-book-trail__btn{border-color:color-mix(in srgb,var(--gold) 48%,transparent);background:color-mix(in srgb,var(--gold) 10%,transparent)}.r2l-book-trail__icon,.r2l-book-trail__node[data-state=active] .r2l-book-trail__icon{width:42px;height:42px;flex:none}.r2l-book-trail__minny{width:32px;height:32px}.r2l-book-trail__pill{top:-7px;left:30px}.r2l-book-trail__label{text-align:left;white-space:normal}.r2l-book-trail__sub{text-align:left;white-space:normal;font-size:.56rem}.r2l-book-workspace{grid-column:2;grid-template-columns:minmax(21rem,1.1fr) minmax(20rem,.95fr);gap:var(--space-5)}.r2l-book-page__art{height:clamp(31rem,61vh,43rem)}.r2l-book-karaoke{min-height:7rem}.r2l-book-shortcuts{display:flex}.r2l-book-reader>#book-reader-summary,.r2l-book-reader>.r2l-book-attribution{grid-column:2}}@media(max-width:639px){.r2l-book-reader{width:calc(100% + 1rem);margin-inline:-.5rem;padding:.65rem .65rem calc(5.5rem + env(safe-area-inset-bottom));border-radius:var(--radius-xl)}.r2l-book-trail-header{margin-bottom:var(--space-3);padding:var(--space-3)}.r2l-book-trail-header .r2l-book-eyebrow,.r2l-book-trail-header__meta{display:none}.r2l-book-trail-header__title{font-size:1rem}.r2l-book-page-count{font-size:.66rem}.r2l-book-trail-bar{height:4px}.r2l-book-trail{gap:0;overflow:visible}.r2l-book-trail__node{min-width:0}.r2l-book-trail__node:before{top:17px}.r2l-book-trail__icon,.r2l-book-trail__node[data-state=active] .r2l-book-trail__icon{width:32px;height:32px;font-size:.7rem}.r2l-book-trail__minny{width:25px;height:25px}.r2l-book-trail__label,.r2l-book-trail__pill,.r2l-book-trail__sub{display:none}.r2l-book-workspace{gap:var(--space-3);perspective:none}.r2l-book-page__art{height:clamp(14rem,38vh,19rem)}.r2l-book-page__badge,.r2l-book-page__credit{top:var(--space-2);min-height:28px;font-size:.64rem}.r2l-book-page__badge{left:var(--space-2)}.r2l-book-page__credit{right:var(--space-2)}.r2l-book-page__nav{display:none}.r2l-book-karaoke{min-height:7.4rem;padding:var(--space-3)}.r2l-book-karaoke__text{font-size:1.12rem}.r2l-book-stepper{gap:var(--space-1)}.r2l-book-stepper__step{min-height:40px;border:0;padding:0}.r2l-book-stepper__step span,.r2l-book-stepper__arrow{display:none}.r2l-book-story-card{padding:var(--space-4)}.r2l-book-story-card__heading>span{display:none}.r2l-book-page__text{min-height:0;max-height:none;overflow:visible;font-size:1.125rem;line-height:1.55}.r2l-book-helpers{display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}.r2l-book-helper{min-width:0;padding:0 var(--space-2);font-size:.66rem}.r2l-book-stage-stack{min-height:11rem}.r2l-book-gate{position:fixed;left:.5rem;right:.5rem;bottom:0;z-index:80;display:flex;width:auto;min-height:0;flex-direction:row;padding:var(--space-2) var(--space-2) calc(var(--space-2) + env(safe-area-inset-bottom));border-radius:var(--radius-xl) var(--radius-xl) 0 0;box-shadow:0 -12px 30px color-mix(in srgb,var(--navy-950) 75%,transparent)}.r2l-book-audio__copy,.r2l-book-audio__timeline,.r2l-book-audio__excerpt{display:none}.r2l-book-audio__button{display:flex;width:100%;height:56px;align-items:center;justify-content:center;gap:var(--space-2);border-radius:var(--radius-xl);box-shadow:var(--shadow-md);font-size:1rem}.r2l-book-audio__mobile-label{display:inline;font-family:var(--font-display);font-weight:850}.r2l-book-gate:has(#book-reader-story-next:not(.hidden)) .r2l-book-audio__button{display:none}.r2l-book-gate .r2l-book-next-cta{margin:0}.r2l-book-question-card,.r2l-book-shadow-stage,.r2l-book-reward{padding:var(--space-4)}.r2l-book-shadow-card__visuals{grid-template-columns:100px 1fr;gap:var(--space-3)}.r2l-book-shadow-card [data-speak-record]{width:96px;height:96px;min-height:96px}.r2l-book-shadow-meter__star{width:78px;height:78px}}@media(prefers-reduced-motion:reduce){.r2l-book-reader *,.r2l-book-reader *:before,.r2l-book-reader *:after{scroll-behavior:auto!important;animation-duration:1ms!important;animation-iteration-count:1!important;transition-duration:1ms!important}.r2l-book-page-shell.is-turning,.r2l-book-page-shell.is-entering{transform:none}}