:root{font-family:"Chalkboard SE","Comic Sans MS","Trebuchet MS",sans-serif;color:#462f22;background:#e9f0e8;font-synthesis:none}*{box-sizing:border-box}body{margin:0}button{font:inherit;color:inherit;touch-action:manipulation;-webkit-tap-highlight-color:transparent}button:focus-visible{outline:3px solid #286f9c;outline-offset:5px}button:disabled{opacity:.3;cursor:default}[hidden]{display:none!important}#reader,.page{position:relative;width:100%;height:100svh;min-height:420px;overflow:hidden}#reader{height:100dvh}.page{height:100%}.painted-surround{position:absolute;inset:-35px;background-image:var(--scene-image);background-size:cover;background-position:center;filter:blur(24px);opacity:.42}.page:after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(180deg,rgba(255,251,240,.1),transparent 40%,transparent 85%,rgba(255,250,235,.17));z-index:2}.scene{position:absolute;inset:0;overflow:hidden}#art,#motion{position:absolute;width:100%;height:100%;object-fit:cover;object-position:50% 50%;display:block}#motion{opacity:0;pointer-events:none}#motion.ready{opacity:1}.story{position:absolute;z-index:3;left:7%;right:15%;top:calc(env(safe-area-inset-top,0px) + 6%);font-size:clamp(1.25rem,4.8vw,1.65rem);font-weight:600;line-height:1.42;text-shadow:0 1px 8px #fff8ee,0 0 15px #fff8ee;opacity:0;transform:translateY(5px);transition:opacity .6s ease,transform .6s ease}.story.visible{opacity:1;transform:none}.story{max-height:45%;overflow:auto;scrollbar-width:thin}.story p{margin:0 0 .24em}.story p.spoken{color:#1d536a}.speech{margin-top:.8em!important;font-weight:600}.story.long{font-size:clamp(1.125rem,4.5vw,1.55rem);line-height:1.35}.control{border:0;background:rgba(255,252,240,.94);width:48px;height:48px;border-radius:50%;display:grid;place-items:center;box-shadow:0 2px 9px #62442920;cursor:pointer;padding:12px}.control svg{width:24px;height:24px;fill:currentColor}.navigation .control svg{fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.narration{position:absolute;z-index:5;right:max(18px,env(safe-area-inset-right));top:calc(env(safe-area-inset-top,0px) + 18px)}.narration[aria-pressed=true]{background:#deebec;color:#256b82}.navigation{position:absolute;z-index:5;left:max(18px,env(safe-area-inset-left));right:max(18px,env(safe-area-inset-right));bottom:calc(env(safe-area-inset-bottom,0px) + 17px);display:flex;align-items:center;justify-content:space-between}.page-count{border:0;padding:8px 14px;border-radius:20px;background:rgba(255,252,240,.8);font-size:.9rem;cursor:pointer}.target{position:absolute;border:0;background:transparent;cursor:pointer;z-index:4;border-radius:45%;min-width:44px;min-height:44px}.target:focus-visible{outline-offset:0;background:#fff6}.reply{position:absolute;z-index:6;bottom:calc(env(safe-area-inset-bottom,0px) + 83px);left:8%;right:8%;padding:12px 18px;border-radius:18px;background:rgba(255,252,240,.95);font-size:1rem;line-height:1.4;box-shadow:0 3px 14px #4a33231c;text-align:center}.page-picker{position:absolute;z-index:10;inset:0;background:#fffaf0f5;padding:calc(env(safe-area-inset-top,0px) + 35px) 7% 30px;overflow:auto;text-align:center}.page-picker h1{font-size:1.8rem;margin:0}.page-picker p{font-size:.95rem;margin:.6em 0 1.3em}.page-picker #pages{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;max-width:700px;margin:auto}.page-picker #pages button{border:1px solid #d9d1c0;background:#fffefa;border-radius:13px;padding:12px;text-align:left;font-size:.95rem;cursor:pointer}.page-picker #pages button[aria-current]{background:#dceddd;border-color:#65a987}.page-picker #close-picker,.load-error button{margin-top:20px;background:#315e68;color:white;border:0;border-radius:20px;padding:11px 22px;cursor:pointer}.load-error{position:absolute;z-index:7;left:10%;right:10%;top:45%;padding:20px;border-radius:14px;background:#fffaf0;text-align:center}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.scene{inset:auto 0 0;width:100%;height:auto;aspect-ratio:2/3;mask-image:linear-gradient(to bottom,transparent,black 4%,black)}
@media(min-aspect-ratio:4/5){.scene{left:auto;top:auto;bottom:0;width:min(62vw,66.6667dvh);height:auto;aspect-ratio:2/3;right:4%;overflow:visible;mask-image:none}#art,#motion{object-fit:contain}.story{left:7%;right:auto;width:34%;top:18%;font-size:clamp(1.3rem,2.4vw,2.1rem);line-height:1.5}.story.long{font-size:clamp(1.1rem,2vw,1.8rem)}.painted-surround{opacity:.32;filter:blur(36px)}.page:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#fffaf0f2 0%,#fffaf0b3 39%,transparent 65%);z-index:1;pointer-events:none}.scene{z-index:2}.navigation{left:4%;right:4%}.reply{left:8%;right:auto;width:34%;bottom:12%}.narration{right:4%;top:4%}.page-picker #pages{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-height:580px) and (min-aspect-ratio:4/5){.story{top:9%;font-size:1.15rem;line-height:1.35}.story.long{font-size:1rem}.reply{bottom:18%;font-size:.9rem}.control{width:42px;height:42px;padding:10px}.navigation{bottom:10px}}
@media(prefers-reduced-motion:reduce){.story{transition:none;transform:none}#motion{display:none}}

/* The response is part of the same painted story, with shared typography. */
.page{--story-size:clamp(1.25rem,4.8vw,1.65rem);--story-line:1.42}
.page:has(.story.long){--story-size:clamp(1.125rem,4.5vw,1.55rem);--story-line:1.35}
.story,.story.long,.reply{font-family:inherit;font-size:var(--story-size);font-weight:600;line-height:var(--story-line)}
.reply{left:7%;right:7%;bottom:calc(env(safe-area-inset-bottom,0px) + 88px);padding:20px 24px 23px;background:radial-gradient(ellipse at 25% 20%,#fffdf3f7,transparent 75%),radial-gradient(ellipse at 75% 70%,#fff4ddec,#fff9ecee 85%);border-radius:47% 43% 46% 42% / 25% 29% 26% 30%;box-shadow:0 3px 14px #85644212;text-shadow:0 1px 3px #fffaf0;isolation:isolate;animation:painted-reply .28s ease-out}
.reply:after{content:"";position:absolute;z-index:-1;width:24px;height:28px;bottom:-10px;left:72%;background:#fff7e8eb;border-radius:5% 70% 90% 20%;transform:rotate(24deg)}
@keyframes painted-reply{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
@media(min-aspect-ratio:4/5){.page{--story-size:clamp(1.3rem,2.4vw,2.1rem);--story-line:1.5}.page:has(.story.long){--story-size:clamp(1.1rem,2vw,1.8rem)}.reply{left:7%;right:auto;width:34%;bottom:12%}}
@media(max-height:580px) and (min-aspect-ratio:4/5){.page{--story-size:1.15rem;--story-line:1.35}.page:has(.story.long){--story-size:1rem}.reply{bottom:18%;padding:14px 18px}}
@media(prefers-reduced-motion:reduce){.reply{animation:none}}

.reply{overflow:visible}.reply:before{content:"";position:absolute;inset:-3px;z-index:-1;border-radius:inherit;background:#fff8ea80;filter:blur(3px);pointer-events:none}

/* A small, persistent tap cue stays beside the independently moving item. */
.tap-cue{position:absolute;display:grid;place-items:center;width:32px;height:32px;margin:-16px 0 0 -16px;border-radius:48% 52% 44% 55%;background:#fff8e9f2;border:1px solid #c7a87180;box-shadow:0 2px 6px #46301c24;pointer-events:auto;cursor:pointer;animation:tap-cue 1.7s ease-in-out infinite;color:#664c31}
.tap-cue svg{pointer-events:none;width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linejoin:round;stroke-linecap:round}
@keyframes tap-cue{0%,100%{transform:scale(1)}50%{transform:translateY(-3px) scale(1.12)}}
@media(prefers-reduced-motion:reduce){.tap-cue{animation:none}}

/* The bookshelf contains the published story. */
.bookshelf{min-height:100dvh;padding:clamp(24px,6vh,64px) 24px;display:flex;align-items:center;flex-direction:column;gap:24px;background:linear-gradient(#fffaf0e8,#fffaf0d9),url('assets/page-01.webp') center/cover}
.bookshelf h1{font-size:clamp(1.8rem,7vw,3rem);margin:0;text-align:center}.book-card{padding:0;width:min(320px,80vw);border:0;border-radius:20px;background:#fff9e9;overflow:hidden;box-shadow:0 10px 30px #65422c26;cursor:pointer;text-align:center}.book-card img{display:block;width:100%;height:min(50dvh,430px);object-fit:cover;object-position:center bottom}.book-caption{display:grid;gap:15px;padding:20px}.book-caption strong{font-size:1.4rem}.book-caption>span{justify-self:center;border-radius:24px;padding:12px 28px;background:#eed29a;font-weight:600}.roof-target.tapped{box-shadow:0 0 18px 8px #fff1a699;outline:2px solid #fff6b8;transition:box-shadow .3s}

.story.ending{font-size:clamp(2.4rem,9vw,4rem)}.control.to-shelf{width:auto;min-width:105px;padding:12px 16px;font-size:1rem;font-weight:600}

.sound-credits{color:#654d3d;font-size:.875rem;margin-top:1.25rem;text-underline-offset:.2rem}

.book-open{display:block;width:100%;padding:0;border:0;background:transparent;cursor:pointer;text-align:center}.book-language{display:flex;align-items:center;gap:12px;justify-content:space-between;padding:0 20px 20px;font-size:1rem}.book-language select{font:inherit;color:inherit;background:#fffdf4;border:1px solid #ccb997;border-radius:14px;padding:10px 12px;max-width:70%;min-height:44px}.shelf-return{position:absolute;z-index:5;right:max(18px,env(safe-area-inset-right));top:calc(env(safe-area-inset-top,0px) + 76px)}

/* One shared toolbar keeps both controls aligned at every viewport. */
.reader-tools{position:absolute;z-index:5;right:max(18px,env(safe-area-inset-right));top:calc(env(safe-area-inset-top,0px) + 18px);display:flex;flex-direction:column;align-items:center;gap:10px}.reader-tools .control{position:static;flex:none}.book-open:focus-visible{outline:3px solid #a67e42;outline-offset:-6px;border-radius:20px}
@media(min-aspect-ratio:4/5){.reader-tools{right:4%;top:4%}}

/* Picture books on the shelf: a cloth spine and layered paper edges. */
.book-grid{display:grid;grid-template-columns:repeat(2,minmax(0,320px));align-items:start;gap:40px;width:100%;max-width:700px;padding:8px 8px 16px}
.book-card{position:relative;width:100%;overflow:visible;border-radius:5px 16px 16px 5px;cursor:default;box-shadow:5px 5px 0 #e7dcca,8px 8px 0 #fff9e9,11px 11px 0 #ded0b9,15px 19px 30px #65422c24}
.book-card:before{content:"";position:absolute;z-index:2;left:0;top:0;bottom:0;width:15px;border-radius:5px 0 0 5px;background:linear-gradient(90deg,#526d5970,#fcf0cd35 65%,#65422c30);pointer-events:none}
.book-cover{position:relative;display:block;height:420px;overflow:hidden;border-radius:5px 16px 0 0;background:#f7f0db}
.book-card .book-cover img{width:100%;height:100%;object-fit:cover;object-position:center bottom}
.cover-title{position:absolute;top:0;left:0;right:0;padding:24px 20px 48px 30px;text-align:center;background:linear-gradient(#fff8e8ee,#fff8e8c9 65%,#fff8e800)}
.cover-title small{display:block;font-size:.72rem;letter-spacing:.12em;margin-bottom:14px;text-transform:uppercase}.cover-title strong{display:block;font-family:Georgia,serif;font-size:1.85rem;line-height:1.12;font-weight:700;text-shadow:0 1px 8px #fff8ee}

.book-caption{padding:18px 20px 16px 30px}.book-caption>span{padding:10px 26px}.book-language{padding-left:30px}.book-open:focus-visible{border-radius:5px 16px 0 0}
.upcoming .cover-title{color:#254e59;background:linear-gradient(#eef9f3e8,#eef9f3ab 65%,#eef9f300)}.upcoming:before{background:linear-gradient(90deg,#315c697d,#eef7e630 65%,#315c6940)}.coming-badge{position:absolute;bottom:18px;left:50%;transform:translateX(-50%);padding:10px 20px;background:#fff8e8f2;border-radius:24px;white-space:nowrap;font-size:.95rem;font-weight:600;box-shadow:0 2px 8px #254e591f}.upcoming-caption{padding:18px 20px 22px 30px;text-align:center;min-height:139px}.upcoming-caption p{margin:0 0 12px;font-size:1rem;line-height:1.5}.upcoming-caption>span{font-size:.78rem;color:#526d59}
@media(max-width:620px){.book-grid{grid-template-columns:minmax(0,320px);justify-content:center;gap:38px}.book-cover{height:400px}.bookshelf{padding-left:24px;padding-right:30px}}

.upcoming .book-cover{border-radius:5px 16px 16px 5px}

/* Keep all shelf actions on the cover, with equal book heights. */
.book-open{position:relative}.book-card .book-cover{border-radius:5px 16px 16px 5px}.book-caption{position:absolute;bottom:18px;left:25px;right:124px;padding:0;display:block}.book-caption>span{display:block;padding:12px 10px;font-size:.95rem;background:#fff8e8f2;box-shadow:0 2px 8px #65422c20;white-space:nowrap}.book-language{position:absolute;z-index:3;bottom:18px;right:14px;padding:0;display:block}.book-language select{max-width:none;width:102px;font-size:.85rem;min-height:44px;padding:10px 7px;background:#fff8e8f2;border:1px solid #ccb997;border-radius:22px}.book-open:focus-visible{border-radius:5px 16px 16px 5px}

html[lang="zh-CN"] .story,html[lang="zh-CN"] .reply{font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;line-height:1.6;letter-spacing:.015em}html[lang="zh-CN"] .cover-title strong{font-family:"Songti SC","SimSun",serif;line-height:1.35}

.reader-tools .language-toggle{padding:0;font-size:.82rem;font-weight:700;letter-spacing:.02em}.language-toggle:focus-visible{outline-offset:3px}

.book-share{position:absolute;z-index:4;top:14px;right:14px;border:1px solid #ccb997;border-radius:22px;background:#fff8e8f2;padding:10px 16px;min-height:44px;cursor:pointer}.ending-share{position:absolute;z-index:5;bottom:85px;left:50%;transform:translateX(-50%);border:1px solid #ccb997;border-radius:24px;background:#fff8e8f2;padding:12px 22px;white-space:nowrap;cursor:pointer}.share-panel{position:fixed;z-index:30;inset:0;background:#462f2266;display:grid;place-items:center;padding:20px}.share-panel>div{width:min(100%,420px);background:#fffaf0;border-radius:24px;padding:24px;box-shadow:0 12px 40px #462f2240}.share-panel h2{margin:0 0 16px}.share-panel input{width:100%;font:inherit;padding:12px;border:1px solid #ccb997;border-radius:12px;margin-bottom:16px}.share-panel button,.share-panel a{display:inline-block;font:inherit;color:inherit;border:1px solid #ccb997;border-radius:20px;background:#f0eadb;padding:12px;margin:0 6px 8px 0;text-decoration:none;cursor:pointer}.share-panel p{min-height:1.4em;margin:4px 0 0}

/* Keep sharing out of the title area and fit the long Chinese title. */
.book-share{top:auto;bottom:76px;right:14px;min-height:44px;padding:9px 14px;font-size:.85rem}
html[lang="zh-CN"] .cover-title strong{font-size:clamp(1.2rem,5.8vw,1.55rem);text-wrap:balance}
/* The reader fills Chrome's changing viewport; mobile artwork covers its page. */
#reader{position:fixed;inset:0;height:100dvh;min-height:0}
#reader>.page{position:absolute;inset:0;height:auto;min-height:0}
body:has(#reader:not([hidden])){overflow:hidden}
@media not all and (min-aspect-ratio:4/5){.scene{inset:0;width:100%;height:100%;aspect-ratio:auto;mask-image:none}#art,#motion{object-fit:cover}}

/* Explicit visible-height values avoid nested percentage sizing on mobile Chrome. */
#reader,#reader>.page{height:var(--reader-height,100dvh);bottom:auto}
#art,#motion{top:0;left:0}
@media not all and (min-aspect-ratio:4/5){
 #reader .scene{top:0;bottom:auto;height:var(--reader-height,100dvh);background-image:var(--scene-image);background-size:cover;background-position:center}
 #reader #art,#reader #motion{height:var(--reader-height,100dvh);max-height:none;object-fit:cover}
}

/* One main action on the cover; quiet language and sharing controls below. */
.book-caption{left:25px;right:18px;bottom:18px}.book-caption>span{max-width:180px;margin:auto}
.book-actions{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:68px;padding:12px 16px 12px 25px;background:#fff9e9;border-radius:0 0 16px 5px}
.book-actions .book-language,.book-actions .book-share{position:static;padding:0;display:block}
.book-actions .book-language select{width:125px;min-height:44px;border:0;background:transparent;border-radius:10px;padding:8px 4px;font-size:.85rem;cursor:pointer}
.book-actions .book-share{border:0;background:transparent;box-shadow:none;font-size:.85rem;padding:10px 4px;min-height:44px;text-decoration:underline;text-underline-offset:3px}
.reader-tools .reader-language{font:inherit;font-size:.8rem;font-weight:600;color:inherit;background:#fffaf0f0;border:1px solid #c7a87180;border-radius:22px;width:72px;min-height:44px;padding:8px 5px;cursor:pointer;box-shadow:0 2px 9px #62442920;touch-action:manipulation}
.reader-language:focus-visible{outline:3px solid #286f9c;outline-offset:3px}

/* All shelf controls sit on the cover, with no footer panel. */
.cover-actions{position:static}
.cover-actions .book-language{position:absolute;bottom:18px;right:14px;padding:0;display:block}
.cover-actions .book-language select{width:110px;max-width:none;min-height:44px;font-size:.85rem;padding:10px 8px;border:1px solid #ccb997;border-radius:22px;background:#fff8e8f2;cursor:pointer}
.book-caption{left:25px;right:136px;bottom:18px}.book-caption>span{margin:0;max-width:none;padding:12px 8px}
.cover-actions .book-share{position:absolute;top:14px;right:14px;bottom:auto;width:44px;height:44px;min-height:44px;display:grid;place-items:center;padding:11px;background:#fff8e8f2;border:1px solid #ccb997;border-radius:50%;box-shadow:0 2px 8px #65422c20;cursor:pointer}
.book-share svg{width:21px;height:21px;fill:currentColor;pointer-events:none}
.book-card:not(.upcoming) .cover-title{padding:24px 20px 12px 30px}.book-card:not(.upcoming) .cover-title small{padding-right:48px;margin-bottom:24px}.book-card:not(.upcoming) .cover-title strong{font-size:1.7rem;line-height:1.12}.book-card:not(.upcoming) .cover-title{pointer-events:none}
.reader-tools .reader-language{width:98px;font-size:.75rem}

html[lang="zh-CN"] .book-card:not(.upcoming) .cover-title strong{font-size:clamp(1.2rem,5.8vw,1.55rem);line-height:1.35}

.book-card:not(.upcoming) .cover-title{padding:64px 20px 12px;text-align:center}

/* Circular language selectors retain the native dropdown; tapping never toggles. */
.reader-tools .reader-language,.cover-actions .book-language select{
 appearance:none;-webkit-appearance:none;width:48px;height:48px;min-height:48px;
 border:0;border-radius:50%;padding:0;text-align:center;text-align-last:center;
 font:inherit;font-size:.8rem;font-weight:600;line-height:normal;
 background:rgba(255,252,240,.94);box-shadow:0 2px 9px #62442920;
 cursor:pointer;touch-action:manipulation
}
.reader-language option,.book-language select option{background:#fffaf0;color:#462f22}
@media(max-height:580px) and (min-aspect-ratio:4/5){
 .reader-tools .reader-language{width:42px;height:42px;min-height:42px}
}

.bookshelf>header{text-align:center;padding:0 16px}
.shelf-tagline{margin:10px 0 0;font-size:clamp(1rem,3.8vw,1.25rem);font-weight:600;line-height:1.4;color:#674d38}
.shelf-description{margin:7px auto 0;max-width:32rem;font-size:clamp(.85rem,3.2vw,1rem);line-height:1.5;color:#79634e}

.shelf-footer{display:flex;flex-wrap:wrap;justify-content:center;gap:12px 24px;padding:12px 16px 24px;font-size:.85rem}
.shelf-footer a{color:#674d38;text-underline-offset:4px}
.shelf-footer .sound-credits{margin:0}
.feedback-page{min-height:100dvh;padding:32px 18px;background:#fff9ec}
.feedback-card{max-width:560px;margin:0 auto;padding:28px;background:#fffdf5;border:1px solid #e3d6ba;border-radius:24px;box-shadow:0 8px 30px #65422c12}
.feedback-card h1{font-size:clamp(1.6rem,6vw,2rem);margin:8px 0 12px}
.feedback-card p{line-height:1.6}
.feedback-back,.feedback-direct a{color:inherit;text-underline-offset:4px}
.feedback-brand{margin:24px 0 0;font-size:.8rem;letter-spacing:.08em}
.feedback-card form{display:grid;gap:9px;margin-top:24px}
.feedback-card label{margin-top:10px;font-weight:600}
.feedback-card label span{font-size:.85rem;font-weight:400;color:#79634e}
.feedback-card input:not([type=hidden]),.feedback-card textarea{width:100%;min-height:44px;padding:12px;border:1px solid #ccb997;border-radius:12px;background:#fffef9;font:inherit;color:inherit}
.feedback-card textarea{resize:vertical;line-height:1.5}
.feedback-card input:focus-visible,.feedback-card textarea:focus-visible{outline:3px solid #286f9c;outline-offset:2px}
.feedback-card small,.feedback-note,.feedback-direct{font-size:.8rem;color:#79634e}
.feedback-card button,.feedback-home{border:0;border-radius:24px;background:#eed29a;padding:13px 22px;font:inherit;font-weight:600;color:#462f22;cursor:pointer;text-align:center}
.feedback-home{display:inline-block;text-decoration:none}
.feedback-honey{display:none!important}
@media(max-width:400px){.feedback-card{padding:22px}}

/* Shared baseline and typography for the two footer links. */
.shelf-footer{flex-wrap:nowrap;align-items:baseline;gap:clamp(12px,4vw,24px)}
.shelf-footer a,.shelf-footer .sound-credits{display:inline-block;margin:0;padding:0;font:inherit;line-height:1.5;white-space:nowrap;text-underline-offset:4px}