:root{color-scheme:light;--ink:#272345;--cream:#faf4e9;--page:#e8e4ed;--teal:#277c82}*{box-sizing:border-box}body{margin:0;background:var(--page);color:var(--ink);font:16px/1.55 system-ui,-apple-system,"PingFang TC",sans-serif}header{display:flex;align-items:center;justify-content:space-between;padding:22px 4vw;gap:24px}header p,.section-title p{margin:0;font-size:13px;letter-spacing:.14em;color:#74647e}h1{font-size:clamp(22px,2.7vw,36px);margin:5px 0 0;font-weight:650}h2{font-size:25px;font-weight:600}a{color:var(--teal)}button{font:inherit;border:0;border-radius:24px;background:#e7dfeb;color:var(--ink);padding:10px 18px;cursor:pointer}button:hover{background:#d9cbe1}button:focus-visible,a:focus-visible,input:focus-visible,#scene:focus-visible{outline:3px solid #45b6c5;outline-offset:4px}button[hidden],[hidden]{display:none!important}button:disabled{opacity:.45;cursor:default}#theatre{position:relative;margin:0 2vw;height:72vh;min-height:430px;border-radius:22px;overflow:hidden;background:#252349;isolation:isolate}#scene{height:100%;width:100%;touch-action:none;cursor:grab}#scene:active{cursor:grabbing}#scene canvas{display:block;width:100%;height:100%}.caption{position:absolute;left:23px;top:21px;pointer-events:none;color:#ffeed0;text-shadow:0 2px 8px #15102b}.caption span{display:block;font-size:22px;font-weight:600}.caption small{opacity:.8;font-size:13px}.top-actions{position:absolute;right:20px;top:20px;display:flex;gap:9px}.top-actions button{background:#faf4e9e8;font-size:13px}#door-actions{position:absolute;bottom:22px;left:50%;transform:translateX(-50%);display:flex;gap:10px;white-space:nowrap}#knock,#enter,#back{background:#fff1ce;box-shadow:0 4px 24px #1f164533}#back{position:absolute;bottom:22px;left:24px}#loading{position:absolute;inset:0;display:grid;place-items:center;background:#272345;color:#fff1ce;transition:opacity .6s;z-index:10}#loading.done{opacity:0;pointer-events:none}#veil{position:absolute;inset:0;background:#302144;opacity:0;pointer-events:none;transition:opacity .45s;z-index:5}#veil.dark{opacity:1}#toast{position:absolute;left:50%;bottom:78px;transform:translateX(-50%);color:#fff1ce;background:#292144df;border-radius:20px;padding:8px 18px;opacity:0;transition:opacity .3s;pointer-events:none;white-space:nowrap}#toast.show{opacity:1}.controls{display:flex;align-items:center;gap:18px;padding:18px 4vw 8px}.controls label{flex:1}input[type=range]{width:100%;accent-color:#a787d3}#stops{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;padding:10px 4vw 25px}#stops button{background:transparent;font-size:14px;padding:7px 13px}#stops button.active{background:#f3cbb8}.collection{padding:25px 4vw 60px}.section-title{display:flex;justify-content:space-between;align-items:center;gap:20px}.gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;margin:22px 0 50px}.card{background:#f0e9dd;border-radius:18px;padding:18px}.card img{display:block;width:100%;height:290px;object-fit:contain}.card h3{margin:14px 0 0;font-size:17px;font-weight:550}.card p{font-size:13px;color:#766779;margin:4px 0}.rooms .pair{display:grid;grid-template-columns:1fr 2fr;align-items:center;gap:8px}.rooms img{height:205px}.rooms .pair img:last-child{border-radius:8px}.note{font-size:14px;color:#766779}figure{margin:0}figure img{display:block;width:100%;border-radius:20px}figcaption{color:#766779;font-size:14px;margin-top:12px}#theatre:is(:fullscreen,.is-fullscreen){height:100vh;border-radius:0;margin:0}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}@media(max-width:650px){header{padding:18px 5vw}header>a{font-size:12px;white-space:nowrap}#theatre{margin:0 10px;min-height:470px}.top-actions{top:66px;right:12px}.caption{left:16px;top:15px}.caption span{font-size:18px}.controls{gap:10px}.controls button{padding:10px 12px;font-size:13px}.gallery{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.card{padding:10px}.card img{height:210px}.rooms .pair{display:block}.rooms img{height:170px}.rooms .pair img:first-child{height:100px}.section-title{display:block}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}

#story-caption{position:absolute;bottom:22px;left:24px;max-width:min(430px,57%);padding:14px 19px;background:#faf4e9ee;border-radius:16px;color:#383149;pointer-events:none;box-shadow:0 4px 30px #29203910}#story-caption small{font-size:11px;letter-spacing:.16em;opacity:.5}#story-caption p{margin:4px 0;font-size:17px;line-height:1.65}#door-actions{left:auto;right:24px;transform:none}#story-stops{display:flex;flex-wrap:wrap;justify-content:center;gap:7px;padding:10px 4vw}#story-stops button{background:transparent;font-size:14px;padding:7px 12px}#story-stops button.active{background:#dfebdb}#stops{padding-bottom:15px;opacity:.75}@media(max-width:650px){#story-caption{left:12px;bottom:70px;max-width:calc(100% - 24px)}#story-caption p{font-size:15px}#door-actions{right:12px}}

.collection>summary{cursor:pointer;color:#74647e;font-size:14px;padding:12px 0}

.controls{max-width:940px;margin:auto;padding-top:16px}.controls progress{flex:1;height:7px;border:0;border-radius:8px;overflow:hidden;accent-color:#a787e3}.controls progress::-webkit-progress-bar{background:#e6dfd7}.controls progress::-webkit-progress-value{background:#a787e3;border-radius:8px}#journey-label{font-size:13px;color:#74647e;white-space:nowrap}.controls #replay{font-size:13px;background:transparent;color:#74647e}#knock{min-height:52px;font-size:17px;padding:12px 23px}#speech{position:absolute;transform:translate(-50%,-100%);max-width:260px;padding:13px 17px;border-radius:20px 20px 20px 3px;background:#fff1ce;color:#383149;font-size:18px;box-shadow:0 4px 15px #181a3133;pointer-events:none}#story-caption{max-width:min(470px,57%)}@media(max-width:650px){#story-caption{max-width:calc(100% - 24px);bottom:83px}#knock{font-size:15px}#speech{font-size:15px;max-width:210px}}

#door-guide{position:absolute;width:70px;height:78px;padding:9px;transform:translate(-50%,-50%);background:transparent;border-radius:12px;z-index:2;animation:door-arrow 2.2s ease-in-out infinite;filter:drop-shadow(0 0 3px #fff5c7) drop-shadow(0 0 9px #ffc96bbb)}#door-guide:hover{background:transparent;filter:drop-shadow(0 0 4px #fffbe9) drop-shadow(0 0 14px #ffd581)}#door-guide svg{display:block;width:100%;height:100%;overflow:visible;fill:#fff1ce;stroke:#c69542;stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round}#door-guide:focus-visible{outline:2px solid #ffe4a0;outline-offset:3px}@keyframes door-arrow{0%,100%{transform:translate(-50%,-56%);opacity:.94}50%{transform:translate(-50%,-46%);opacity:1}}@media(prefers-reduced-motion:reduce){#door-guide{animation:none}}

/* Translucent reading surface, preserving the paper world behind the words. */
#story-caption{pointer-events:auto;background:rgba(250,244,233,.32);backdrop-filter:blur(10px) saturate(105%);-webkit-backdrop-filter:blur(10px) saturate(105%);border:1px solid rgba(255,255,255,.25);box-shadow:0 4px 20px #2217500c,inset 0 1px 0 #ffffff28}
#story-caption p{font-family:"PingFang TC","Microsoft JhengHei",sans-serif;font-size:19px;line-height:1.8;letter-spacing:.025em}
#story-caption .lookup-word{display:inline;padding:2px 0;min-height:0;border-radius:4px;background:transparent;box-shadow:none;font:inherit;color:inherit;line-height:inherit;letter-spacing:inherit;border:0}
#story-caption .lookup-word:hover{background:#fae4aa90;box-shadow:0 1px 0 #b69d66}
#story-caption .lookup-word:focus-visible{outline:2px solid #a787e3;outline-offset:2px}
#story-caption ruby{ruby-align:center}#story-caption rt{font-size:10px;letter-spacing:0;color:#625275;line-height:1.3}#story-text[data-phonetic]:not([data-phonetic=none]){line-height:2.45}
#story-caption #story-english{font-size:13px;line-height:1.45;color:#4f435f;margin-top:6px;letter-spacing:0}
.top-actions #reading-open{min-width:64px;font-weight:600}#reading-level-badge{font-size:10px;font-weight:400;margin-left:3px}
.reading-dialog{width:min(420px,calc(100vw - 32px));max-height:calc(100svh - 40px);overflow:auto;border:1px solid #ffffffa0;border-radius:24px;padding:27px;background:#faf4e9ed;backdrop-filter:blur(22px);-webkit-backdrop-filter:blur(22px);color:#272345;box-shadow:0 22px 80px #22175030}
.reading-dialog::backdrop{background:#22175045;backdrop-filter:blur(5px)}.reading-dialog h2{margin:4px 0 23px}.reading-dialog .dialog-close{position:absolute;right:12px;top:10px;width:40px;height:40px;padding:0;background:transparent;font-size:27px}
#reading-settings>label{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:16px 0}#reading-settings select{font:inherit;min-height:44px;max-width:235px;border:1px solid #27234522;border-radius:12px;background:#ffffff80;color:#272345;padding:8px}
#reading-settings .reading-check{justify-content:flex-start;gap:10px}#reading-settings input{width:19px;height:19px;accent-color:#a787e3}.reader-note,#reader-status,#word-status{font-size:13px;color:#74647e;line-height:1.6}.word-phonetic{color:#74647e;margin-bottom:2px}#word-example{border-left:2px solid #cbb4df;padding-left:12px;line-height:1.8}
@supports not (backdrop-filter:blur(1px)){#story-caption{background:rgba(250,244,233,.50)}}
@media(max-width:650px){#story-caption p{font-size:17px}#story-caption{padding:10px 14px}.top-actions{gap:5px}#reading-settings select{max-width:190px}}

/* Wide illustration above a separate reading margin: words never cover actors. */
#theatre{height:auto;min-height:0;background:var(--page)}
#scene-stage{position:relative;width:100%;aspect-ratio:1.95;min-height:320px;overflow:hidden;border-radius:22px;background:#252349;isolation:isolate}
#scene{position:absolute;inset:0;height:100%}
.reading-footer{display:flex;align-items:center;gap:28px;min-height:120px;padding:18px 24px 8px}
#story-caption{position:static;flex:1;min-width:0;max-width:none;padding:0;background:transparent;border:0;box-shadow:none;backdrop-filter:none;-webkit-backdrop-filter:none;border-radius:0}
#door-actions{position:static;flex:none;transform:none}
#theatre:is(:fullscreen,.is-fullscreen){height:100svh;display:flex;flex-direction:column;padding:12px}
#theatre:is(:fullscreen,.is-fullscreen) #scene-stage{flex:1;aspect-ratio:auto;min-height:0}
#theatre:is(:fullscreen,.is-fullscreen) .reading-footer{flex:none}
@media(max-width:650px){#scene-stage{aspect-ratio:1.6;min-height:280px}.reading-footer{flex-wrap:wrap;gap:12px;padding:16px 12px 8px}#story-caption{flex-basis:100%}#door-actions{margin-left:auto}#theatre:is(:fullscreen,.is-fullscreen) .reading-footer{padding:10px 12px}.top-actions{top:16px}.caption{max-width:60%}}

/* One quiet forward control; narrative beats continue after their reading pause. */
#knock{display:grid;place-items:center;width:48px;height:48px;min-height:48px;padding:0;border-radius:50%;font:36px/1 system-ui;color:#74647e;background:transparent;box-shadow:none;border:1px solid #74647e30}#knock:hover{background:#ffffff80;color:#272345;border-color:#74647e60}

/* Reading is the default; artwork provenance remains available in ?mode=studio. */
body:not(.studio) .collection,body:not(.studio) header>a,body:not(.studio) header p,body:not(.studio) .caption{display:none}
body:not(.studio) header{padding-top:22px;padding-bottom:18px}
#story-text{white-space:pre-line}

/* Wrapping reading text stays below the illustration. */
.reading-footer{min-height:78px;padding:16px 16px 12px;gap:12px;align-items:flex-end;flex-wrap:nowrap}
#story-text{white-space:normal;overflow:visible;max-width:100%;padding-top:10px;padding-bottom:3px;line-height:1.8;text-wrap:balance;line-break:strict;overflow-wrap:break-word}
#story-caption{flex:1;flex-basis:auto;min-width:0}
body:not(.studio) #story-page{display:none}
#door-actions{margin:0 0 3px;align-self:flex-end}
#story-caption #story-english{white-space:normal;overflow:visible;text-wrap:pretty}
@media(max-width:650px){.reading-footer{padding:10px 10px 12px;gap:8px;flex-wrap:nowrap}#story-caption{flex-basis:auto}#knock{width:40px;height:40px;min-height:40px}}

/* The shared reader's typeface carries vertical Zhuyin beside each glyph. */
@font-face{font-family:'Bpmf GenSen';src:url('reading/bpmf-gensen-halloween.woff2') format('woff2');font-display:swap}
#story-caption #story-text.side-zhuyin{font-size:26px;line-height:1.65;padding-top:3px}
@media(max-width:950px){#story-caption #story-text.side-zhuyin{font-size:22px}}
#story-text .reader-bpmf{font-family:'Bpmf GenSen','PingFang TC',sans-serif;font-size:inherit;font-weight:400;line-height:1.15}

/* Only invite the next turn after the sentence's reading pause. */
#knock{transition:color .7s,background .7s,box-shadow .7s,border-color .7s}
#knock.reading-ready{color:#8d6937;background:#fff3d9;border-color:#e0c894;box-shadow:0 0 12px 3px #f2ce7a38;text-shadow:0 0 7px #ffe2a7;animation:reading-cue-glow 2.8s ease-in-out infinite}
@keyframes reading-cue-glow{50%{box-shadow:0 0 18px 5px #f2ce7a60}}
@media(prefers-reduced-motion:reduce){#knock.reading-ready{animation:none}#knock{transition:none}}

.caption-punctuation{white-space:nowrap}

/* Narrative advances on its own; only doors require a story action. */
/* Room continuation is shown only after the current narration ends. */
#end-card{position:absolute;inset:0;z-index:6;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:clamp(6px,1.4vw,16px);padding:18px;text-align:center;background:linear-gradient(#e9e1f8b8,#d3c3f18c);animation:end-page-arrive 1.3s ease-out both}
.end-copy{padding:10px 24px;border-radius:24px;background:#e9e1f8b3;backdrop-filter:blur(3px)}
.end-copy small{color:#625074;font-size:12px;letter-spacing:.2em}
#end-title{font-size:clamp(25px,3.1vw,40px);color:#221750;margin:3px 0;font-weight:650}
#end-wish{margin:0;color:#514169;font-size:clamp(13px,1.5vw,18px)}
#end-family{flex:0 1 auto;width:clamp(130px,25%,290px);min-height:0;background-repeat:no-repeat}
#end-replay{font-size:14px;padding:9px 21px;background:#d3c3f1;color:#221750;flex:none}
#end-replay:hover{background:#e9e1f8}
.book-ended .reading-footer,.book-ended .caption{display:none}
@keyframes end-page-arrive{from{opacity:0}to{opacity:1}}
@media(max-width:650px){#end-card{gap:6px;padding:10px}#end-family{width:135px}#end-title{font-size:25px}.end-copy small{font-size:10px}}
@media(prefers-reduced-motion:reduce){#end-card{animation:none}}

/* Narration follows the current sentence; keep the audio control above the end card. */
.top-actions{z-index:7}
/* The first listening action belongs on the stage, not among the small utilities. */
.top-actions:has(#narration-toggle.needs-start){inset:0;align-items:flex-start;justify-content:flex-end;padding:20px;pointer-events:none}
.top-actions:has(#narration-toggle.needs-start)>button{pointer-events:auto}
#narration-toggle.needs-start{position:absolute;left:50%;bottom:clamp(20px,5vh,44px);transform:translateX(-50%);display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:64px;padding:12px 26px;border:2px solid #fcf1d4;border-radius:999px;background:#f5ca54;color:#221750;font-size:20px;font-weight:750;white-space:nowrap;box-shadow:0 6px 24px #22175040,0 0 0 6px #fae4aa30;animation:listen-invitation 2.8s ease-in-out infinite}
#narration-toggle.needs-start::before{content:"";width:0;height:0;border-top:9px solid transparent;border-bottom:9px solid transparent;border-left:14px solid currentColor}
#narration-toggle.needs-start:hover{background:#fae4aa}
#narration-toggle.needs-start:focus-visible{outline:3px solid #fdf6ef;outline-offset:5px}
@keyframes listen-invitation{50%{box-shadow:0 6px 24px #22175040,0 0 0 10px #fae4aa12,0 0 28px #f5ca5460}}
@media(max-width:650px){.top-actions:has(#narration-toggle.needs-start){padding:12px}#narration-toggle.needs-start{min-height:58px;padding:10px 22px;font-size:19px;bottom:20px}}
@media(prefers-reduced-motion:reduce){#narration-toggle.needs-start{animation:none}}

#story-text .lookup-word.is-reading{background:#fae4aa;color:#221750;border-radius:5px}

.end-buttons{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}
#end-vocab{font-size:14px;background:transparent;color:#596753;padding:9px 16px}
#vocab-dialog{max-width:640px}#vocab-groups h3{font-size:17px;margin:20px 0 8px}
.vocab-word{display:inline-flex;flex-direction:column;align-items:center;gap:4px;margin:4px;padding:9px 14px;background:#fae4aa}.vocab-word small{font-size:12px;color:#74647e}

/* Quiet mist-lilac page surround; warm paper stays within the story. */
.controls progress::-webkit-progress-bar{background:#d5cfde}
.controls progress::-webkit-progress-value{background:#9686b3}

/* Cantonese co-creation, matching the leveled reader's unobtrusive footer. */
#feedback-footer{display:flex;align-items:center;justify-content:flex-end;gap:10px;padding:0 18px 16px;color:#74647e;font-size:13px}
#feedback-open{background:transparent;color:#625275;padding:8px 12px;min-height:44px;font-size:14px;text-decoration:underline;text-underline-offset:4px}
#feedback-open:hover{background:#d3c3f155}
#feedback-dialog{width:min(440px,calc(100vw - 24px));background:#fdf6ef}
#feedback-dialog p{line-height:1.65}#feedback-dialog h2{padding-right:20px;font-size:21px}
#feedback-pick button{display:block;width:100%;margin:9px 0;padding:13px 16px;border-radius:16px;text-align:left;background:#fff;line-height:1.7}
#feedback-quote{margin:0 0 20px;padding:14px;border-radius:16px;background:#e9e1f8;line-height:1.7}
#feedback-form label{display:block;font-size:14px;margin:12px 0 6px}#feedback-form textarea,#feedback-form input{width:100%;font:inherit;color:#221750;border:1px solid #d3c3f1;border-radius:14px;padding:12px;background:#fff}#feedback-form textarea{resize:vertical;min-height:100px}#feedback-count{display:block;text-align:right;color:#74647e}
.feedback-actions{display:flex;gap:8px;margin-top:14px}.feedback-actions button{font-size:14px;min-height:44px}#feedback-submit,#feedback-continue{background:#221750;color:#fff}#feedback-submit{flex:1}#feedback-error{color:#a84e38}
@media(max-width:650px){#feedback-dialog{margin:auto 0 0;width:100%;max-width:none;max-height:85svh;border-radius:24px 24px 0 0;padding-bottom:max(24px,env(safe-area-inset-bottom))}#feedback-footer{padding:0 10px 10px}}

body.embedded>header{display:none}body.embedded main{padding-bottom:8px}

/* Fill the mobile browser viewport even without native fullscreen support. */
#theatre.is-fullscreen{position:fixed;inset:0;z-index:1000;width:100%;height:100dvh;margin:0;border-radius:0;overflow:auto;padding:max(8px,env(safe-area-inset-top)) max(8px,env(safe-area-inset-right)) max(8px,env(safe-area-inset-bottom)) max(8px,env(safe-area-inset-left))}
body:has(#theatre.is-fullscreen){overflow:hidden}

#ambient-toggle[aria-pressed="false"]{background:#e9e1f8c9;color:#625074}
@media(max-width:650px){.top-actions button{padding:10px 12px}.top-actions:has(#narration-toggle.needs-start){padding-top:56px}#ambient-toggle{font-size:12px}}