@font-face{font-family:Fredoka;src:url('../fonts/Fredokav1.0.woff2') format('woff2'),url('../fonts/Fredokav1.0.ttf') format('truetype');font-weight:300 700;font-display:swap}
:root{--paper:#fff7e8;--ink:#203b2d;--forest:#214c3b;--honey:#f2c14e;--line:#d7cfb9;--soft:#e8ecdd;--clay:#9b422b;--shadow:0 12px 35px #214c3b0d;--radius:24px;--english:Fredoka,'Arial Rounded MT Bold',sans-serif;--chinese:'PingFang SC','Noto Sans SC',sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--chinese);font-size:18px;line-height:1.6}button,a,input{ -webkit-tap-highlight-color:transparent }button,.button{font:inherit;min-height:48px;min-width:48px;border:1.5px solid transparent;border-radius:16px;padding:10px 20px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:12px;font-weight:600;transition:background .15s,transform .15s}a{color:var(--forest);text-decoration-thickness:1px;text-underline-offset:4px}.button{text-decoration:none}button:hover,.button:hover{transform:translateY(-1px)}button:active,.button:active{transform:translateY(1px)}button:disabled{cursor:default;transform:none;opacity:.6}a:focus-visible,button:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--clay);outline-offset:4px}.primary{background:var(--forest);color:var(--paper)}.primary:hover{background:#153c2b}.quiet{background:transparent;border-color:var(--line);color:var(--forest)}.honey{background:var(--honey);color:var(--ink)}.danger{background:#f9e0d6;color:#7f2919;border-color:#ddb9aa}.muted{color:#536353}.tiny{font-size:14px;color:#536353}h1,h2,h3,p{margin:0 0 16px}h1,h2,h3{line-height:1.12;text-wrap:pretty}h1,h3,.english{font-family:var(--english)}h1{font-weight:500}h2{font-size:28px}h3{font-size:28px}.eyebrow{font-family:var(--english);font-size:14px;font-weight:500;letter-spacing:2px;margin-bottom:14px}img{max-width:100%;display:block;height:auto}.site-header{max-width:1440px;margin:auto;padding:24px 40px;display:flex;align-items:center;justify-content:space-between;gap:16px}.brand{font-family:var(--english);font-weight:500;font-size:24px;display:flex;align-items:center;gap:10px;text-decoration:none;min-height:48px}.brand-dot{background:var(--forest);color:var(--paper);border-radius:50%;height:36px;width:36px;display:grid;place-items:center;font-size:23px}.brand-zh{font-family:var(--chinese);font-size:14px;font-weight:400;margin-left:8px}.site-footer{padding:32px 20px 40px;text-align:center;font-size:12px;color:#536353;border-top:1px solid var(--line);margin-top:48px}.site-footer a{display:inline-flex;align-items:center;min-height:48px}
.home main{max-width:1360px;margin:auto;padding:20px 40px}.home-hero{display:grid;grid-template-columns:.85fr 1.15fr;gap:54px;align-items:center;padding:30px 0 64px}.hero-copy h1{font-size:clamp(40px,4.4vw,64px);letter-spacing:-1.5px;line-height:1.06;margin-bottom:20px}.hero-zh{font-size:24px;line-height:1.45;font-weight:500}.hero-copy .button{margin-top:12px}.hero-copy .tiny{margin-top:16px}.hero-art{position:relative;transform:rotate(1.5deg);padding:12px;background:#fffdf7;border-radius:32px;box-shadow:var(--shadow);border:1px solid var(--line)}.hero-art img{border-radius:22px;aspect-ratio:1.42;object-fit:cover}.paper-label{position:absolute;bottom:0;left:50%;transform:translate(-50%,50%) rotate(-3deg);white-space:nowrap;background:var(--honey);padding:10px 24px;border-radius:8px;font-family:var(--english);box-shadow:0 3px 0 #d3ae52}.section-head{display:flex;justify-content:space-between;align-items:end;gap:16px;margin-bottom:24px}.section-head h2{margin-bottom:0}.chapter-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.chapter-card{border:1px solid var(--line);border-radius:24px;overflow:hidden;text-decoration:none;background:#fffdf7;box-shadow:var(--shadow)}.chapter-card.available img{aspect-ratio:1.8;object-fit:cover}.chapter-card-copy{padding:22px}.chapter-number{font-family:var(--english);letter-spacing:1.4px;font-size:13px}.chapter-card h3{margin:14px 0;font-weight:500}.chapter-card p{font-size:16px}.future{padding:30px 24px;background:var(--soft);display:flex;flex-direction:column;justify-content:center;box-shadow:none}.future h3{font-size:30px}.availability{font-size:13px;margin-top:24px}.card-link{display:block;margin-top:18px;font-size:16px;font-weight:600}.stamp-row{display:flex;gap:7px}.stamp{width:35px;height:35px;border-radius:50%;border:1.5px dashed #9a9b7b;display:grid;place-items:center;font-family:var(--english);font-size:15px;color:#536353}.stamp.earned{background:var(--honey);border:2px solid var(--forest);color:var(--forest);transform:rotate(-10deg)}.stamp-pop{animation:stamp .5s ease-out}@keyframes stamp{0%{transform:scale(1.8) rotate(-20deg);opacity:0}70%{transform:scale(.9) rotate(-8deg)}100%{transform:scale(1) rotate(-10deg);opacity:1}}
.reader-main{max-width:1220px;margin:auto;padding:16px 40px 0}.reader-heading{display:flex;justify-content:space-between;align-items:center;gap:24px;margin-bottom:24px}.reader-heading h1{font-size:clamp(28px,3.2vw,43px);margin-bottom:12px}.reader-heading p:last-child{margin-bottom:0}.chapter-keepsake{flex-shrink:0}.chapter-keepsake>span{font-size:13px;display:block;margin-bottom:9px}.stage-nav{display:flex;gap:10px;margin:0 0 24px;overflow-x:auto;padding:4px 3px 8px;scrollbar-width:thin}.stage-nav button{flex:1;white-space:nowrap;background:#fffdf7;border-color:var(--line);font-size:16px;padding:10px 16px}.stage-nav button[aria-current=step]{background:var(--forest);color:var(--paper);border-color:var(--forest)}.stage-nav .step-number{font-family:var(--english);font-size:21px}.stage-title{display:flex;justify-content:space-between;align-items:center;gap:16px;margin:8px 0 20px}.stage-title h2{margin:0;font-size:28px}.stage-title .eyebrow{margin-bottom:6px}.stage-title p{font-size:16px;margin:8px 0 0}.actions{display:flex;flex-wrap:wrap;gap:12px}.comic-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.panel-card{background:#fffdf7;border:1px solid var(--line);border-radius:24px;overflow:hidden;min-width:0}.panel-frame{position:relative;aspect-ratio:1200/896;isolation:isolate;overflow:hidden}.panel-frame>picture,.panel-frame>picture img{width:100%;height:100%;object-fit:contain}.panel-number{position:absolute;z-index:3;top:10px;left:10px;background:var(--honey);border:1.5px solid var(--forest);border-radius:50%;width:30px;height:30px;display:grid;place-items:center;font-family:var(--english);font-size:17px;pointer-events:none}.bubble{position:absolute;z-index:2;left:var(--left);top:var(--top);width:var(--width);min-height:max(48px,var(--height));padding:5px 7px;min-width:48px;border:2px solid var(--ink);border-radius:24px;background:#fffefa;color:var(--ink);font-family:var(--english);font-size:clamp(16px,1.45vw,20px);font-weight:500;line-height:1.15;text-align:center;box-shadow:0 2px 0 #203b2d22;overflow:visible;display:block}.bubble[data-id=b02]{font-size:clamp(15px,1.3vw,18px)}.bubble.playing{background:#ffe8a3;box-shadow:0 0 0 4px #f2c14e66}.bubble .new-word{position:relative;background:var(--honey);border-radius:3px;cursor:pointer;z-index:2}.new-word::after{content:'';position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);height:48px;width:max(100%,48px);min-width:48px}.bubble-lines{display:block}.bubble-tail{position:absolute;inset:0;z-index:1;pointer-events:none;width:100%;height:100%;overflow:visible}.bubble-tail line{stroke:var(--ink);stroke-width:.6;vector-effect:non-scaling-stroke;stroke-width:2px}.sfx{position:absolute;font-family:var(--english);font-weight:600;font-size:clamp(17px,2vw,25px);color:var(--ink);background:var(--honey);border-radius:8px;padding:1px 5px;transform:rotate(-6deg);pointer-events:none}.panel-tools{padding:12px 16px;display:flex;flex-wrap:wrap;gap:8px;align-items:center}.panel-tools button{font-family:var(--english);background:var(--soft);color:var(--ink);padding:8px 13px;font-size:17px}.panel-tools .listen-line{background:transparent;border-color:var(--line);font-family:var(--chinese);font-size:14px}.mobile-pager{display:none}details.story-card{background:#fffdf7;border:1px solid var(--line);border-radius:20px;padding:16px 22px;margin-top:24px}details summary{cursor:pointer;min-height:48px;display:flex;align-items:center;font-weight:600}details p{max-width:850px;margin:12px 0}.feedback{min-height:40px;margin-top:18px;font-size:17px;line-height:1.5;color:var(--forest)}.bottom-bar{margin-top:10px;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:20px 0;border-top:1px solid var(--line);font-size:15px}.bottom-bar>span{max-width:70%}.loading{padding:70px 0;text-align:center}
.find-layout{display:grid;grid-template-columns:1fr 230px;gap:24px;align-items:start}.scene-viewport{overflow:auto;border-radius:24px;border:2px solid var(--forest);background:var(--soft);touch-action:pan-x pan-y;position:relative}.scene-canvas{position:relative;width:100%;min-width:100%;cursor:crosshair}.scene-canvas>picture,.scene-canvas img{width:100%;height:auto}.scene-viewport.zoomed .scene-canvas{width:180%}.hotspot{position:absolute;border:3px solid var(--clay);background:#f2c14e55;pointer-events:none}.hotspot.ellipse{border-radius:50%}.hotspot.found{border-color:var(--forest);background:#e8ecdd66}.hotspot-label{position:absolute;left:50%;transform:translateX(-50%);top:-18px;background:var(--paper);padding:0 4px;font-size:10px;line-height:16px;color:var(--ink);white-space:nowrap}.found-list{background:#fffdf7;padding:24px;border:1px solid var(--line);border-radius:24px}.found-list h3{font-size:23px}.found-item{display:flex;align-items:center;gap:10px;padding:10px 0;font-family:var(--english);font-size:22px}.found-item small{font-family:var(--chinese);font-size:14px;display:block;line-height:1.2}.found-check{width:24px;height:24px;border:1px solid #89977a;border-radius:50%;display:grid;place-items:center;flex-shrink:0;font-size:16px}.found-check.done{background:var(--honey);border-color:var(--forest)}.find-prompt{display:flex;align-items:center;gap:14px;background:var(--soft);border-radius:18px;padding:16px 20px;margin:0 0 20px}.find-prompt strong{font-family:var(--english);font-size:28px;font-weight:500}.find-prompt small{font-size:15px}.scene-controls{margin-top:16px;display:flex;gap:12px;flex-wrap:wrap}.debug-note{background:var(--honey);padding:12px 20px;border-radius:16px;margin-bottom:18px}
.word-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px}.word-card{background:#fffdf7;border:1px solid var(--line);border-radius:24px;overflow:hidden;display:flex;flex-direction:column;min-width:0}.word-face{position:relative;border:0;border-radius:0;padding:12px;display:block;background:transparent;text-align:center;color:var(--ink);width:100%;font-weight:400}.word-face img{width:100%;aspect-ratio:1;object-fit:cover;border-radius:16px}.flip-hint{display:block;font-size:14px;margin:16px 0 6px}.word-back{min-height:290px;padding:14px 8px 4px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px}.word-back strong{font-family:var(--english);font-size:29px;font-weight:500;overflow-wrap:anywhere}.word-back span{font-size:17px}.word-back p{font-family:var(--english);font-size:21px;line-height:1.35;margin:12px 0 0}.word-audio{display:flex;gap:6px;padding:10px 12px 16px;margin-top:auto;justify-content:center}.word-audio button{background:var(--soft);color:var(--ink);font-size:14px;padding:8px 10px}.quiz-launch{margin-top:26px;background:var(--soft);border-radius:24px;display:flex;justify-content:space-between;align-items:center;padding:24px;gap:24px}.quiz-launch h3{margin-bottom:8px}.quiz-launch p{margin:0;font-size:16px}.quiz-board{max-width:820px;margin:0 auto}.quiz-options{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:28px}.quiz-option{background:#fffdf7;padding:12px;border:2px solid var(--line);border-radius:24px}.quiz-option img{border-radius:16px;aspect-ratio:1;object-fit:cover}.quiz-count{text-align:center;font-family:var(--english);font-size:18px;margin-bottom:18px}.quiz-question{display:flex;justify-content:center}.quiz-question button{font-size:21px}.quiz-answer-hint{margin:22px 0;text-align:center}.lesson-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:28px;align-items:start}.theater-card{background:#fffdf7;border-radius:24px;overflow:hidden;border:1px solid var(--line)}.theater-copy{padding:22px}.theater-copy h3{font-size:25px}.theater-line{display:block;text-align:left;background:var(--soft);color:var(--ink);font-family:var(--english);font-size:23px;margin:8px 0;width:100%}.lesson-lines{background:#fffdf7;border-radius:24px;padding:20px;border:1px solid var(--line)}.lesson-line{display:flex;gap:14px;padding:15px 12px;border-radius:14px;width:100%;text-align:left;background:transparent;justify-content:flex-start;color:var(--ink);border:1px solid transparent}.lesson-line+.lesson-line{border-top:1px solid var(--line)}.lesson-line.playing{background:#ffe8a3}.lesson-line .en{font-family:var(--english);font-size:23px;display:block}.lesson-line .zh{font-size:16px;color:#536353;display:block;margin-top:4px}.lesson-line .role{font-size:12px;letter-spacing:1px;display:block;color:#536353}.lesson-count{font-family:var(--english);font-size:18px;color:#536353;flex-shrink:0}.actor-box{margin-top:26px;border:2px dashed #89977a;border-radius:24px;padding:24px;background:var(--soft)}.actor-box .english{font-size:26px}.actor-stage{padding:22px 0}.actor-stage .speaker-badge{font-size:14px;display:inline-block;border-radius:12px;padding:6px 12px;background:var(--paper);margin-bottom:14px}.actor-words{font-family:var(--english);font-size:30px}.actor-words.your-turn{background:var(--honey);padding:16px;border-radius:16px}.actor-hint{font-size:16px;margin-bottom:16px}.wordbox{background:var(--soft);border-radius:24px;padding:20px;margin-bottom:24px}.wordbox h3{font-size:24px;margin:0 0 16px}.word-tokens{display:flex;gap:12px;flex-wrap:wrap}.word-token{font-family:var(--english);font-size:23px;background:#fffdf7;border-color:#89977a;color:var(--ink);touch-action:none}.word-token[aria-pressed=true]{background:var(--honey);border-color:var(--forest);box-shadow:0 0 0 3px #f2c14e44}.word-token small{font-size:13px;display:block;font-family:var(--chinese);font-weight:400}.homework-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.hw-card{border-radius:24px;background:#fffdf7;overflow:hidden;border:1px solid var(--line)}.hw-picture{position:relative;aspect-ratio:1200/896;overflow:hidden}.hw-picture img{width:100%;height:100%;object-fit:contain}.hw-bubble{position:absolute;left:var(--left);top:var(--top);width:var(--width);border:2px solid var(--ink);border-radius:24px;background:#fffefa;padding:10px 12px;text-align:center;font-family:var(--english);font-size:clamp(17px,1.5vw,21px);line-height:1.2;z-index:2}.hw-blank{display:inline-flex;vertical-align:middle;border:2px dashed #8d9771;background:var(--soft);color:var(--ink);border-radius:10px;min-width:100px;min-height:48px;padding:4px 8px;margin:4px 0;font-family:var(--english);font-size:20px;font-weight:400}.hw-blank.filled{background:var(--honey);border-style:solid;border-color:var(--forest)}.hw-caption{padding:12px 18px;font-size:14px}.check-homework{display:flex;justify-content:center;margin-top:24px}.completion{max-width:680px;margin:20px auto;text-align:center;background:#fffdf7;border:1px solid var(--line);padding:40px;border-radius:32px}.big-stamp{display:grid;place-items:center;margin:0 auto 24px;width:110px;height:110px;border-radius:50%;background:var(--honey);border:4px double var(--forest);font-family:var(--english);font-size:22px;line-height:1.2;transform:rotate(-10deg)}.completion h2{font-size:34px}.completion .english{font-size:26px}.paper-task{padding:20px;text-align:left;border-radius:20px;background:var(--soft);margin:24px 0}.paper-task li{margin:10px 0}.paper-task ol{padding-left:24px}.drag-ghost{position:fixed;z-index:30;pointer-events:none;background:var(--honey);color:var(--ink);font-family:var(--english);font-size:23px;border:2px solid var(--forest);border-radius:15px;padding:12px 18px;box-shadow:var(--shadow)}
dialog{border:1px solid var(--line);border-radius:28px;max-width:min(720px,calc(100vw - 32px));width:100%;padding:0;background:var(--paper);color:var(--ink);box-shadow:0 25px 90px #102b2a55;max-height:90dvh;overflow:auto}dialog::backdrop{background:#132f26aa;backdrop-filter:blur(3px)}.dialog-body{padding:36px}.dialog-body h2{font-size:31px}.dialog-body img{max-height:230px;aspect-ratio:1;object-fit:cover;margin:0 auto 20px;border-radius:18px}.dialog-body .word-main{font-family:var(--english);font-size:38px;font-weight:500}.dialog-close{margin:0 32px 24px;width:calc(100% - 64px)}.start-body{display:grid;grid-template-columns:.8fr 1fr}.start-body>img{width:100%;height:100%;object-fit:cover}.start-body>div{padding:36px 28px}.start-body h2{font-size:30px}.start-body p{font-size:17px}.start-body .tiny{font-size:13px;margin:12px 0 0}.start-body button{width:100%}.stamp-celebration{position:fixed;inset:0;display:grid;place-items:center;z-index:20;pointer-events:none;background:#fff7e822}.stamp-celebration>div{background:var(--honey);border:4px double var(--forest);border-radius:50%;width:180px;height:180px;display:flex;flex-direction:column;align-items:center;justify-content:center;box-shadow:var(--shadow);animation:stamp .5s ease-out;transform:rotate(-10deg);font-size:20px}.stamp-celebration strong{font-family:var(--english);font-size:28px}
@media(min-width:1600px){.bubble{font-size:21px}}
@media(max-width:1050px){.site-header{padding:18px 28px}.home main{padding:12px 28px}.home-hero{gap:30px;grid-template-columns:.95fr 1fr}.hero-copy h1{font-size:45px}.chapter-cards{grid-template-columns:repeat(2,1fr)}.reader-main{padding:16px 24px}.word-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.find-layout{grid-template-columns:1fr 180px}.found-list{padding:18px}.found-item{font-size:20px}.lesson-layout{grid-template-columns:1fr}.theater-card{display:grid;grid-template-columns:1fr 1fr}.lesson-lines{max-height:none}.bubble{font-size:17px}.bubble[data-id=b02]{font-size:15px}.chapter-keepsake .stamp{width:30px;height:30px}.chapter-keepsake{font-size:12px}.hw-bubble{font-size:17px}}
@media(max-width:600px){body{font-size:17px}.site-header{padding:14px 18px}.brand{font-size:21px;gap:8px}.brand-zh{display:none}.site-header>button{font-size:14px;padding:8px 12px}.home main{padding:8px 20px}.home-hero{display:flex;flex-direction:column-reverse;gap:30px;padding:18px 0 40px}.hero-art{width:100%;transform:rotate(1deg);padding:8px;border-radius:24px}.hero-art img{border-radius:18px;aspect-ratio:1.55}.paper-label{font-size:16px;padding:7px 14px}.hero-copy{width:100%;margin-top:8px}.hero-copy h1{font-size:45px}.hero-zh{font-size:22px}.hero-copy>.button{width:100%}.hero-copy .tiny{text-align:center}.section-head{align-items:start}.section-head>p{display:none}.section-head h2{font-size:25px}.chapter-cards{grid-template-columns:1fr}.chapter-card.available{display:grid;grid-template-columns:.9fr 1.1fr}.chapter-card.available img{height:100%;aspect-ratio:auto;object-fit:cover}.chapter-card-copy{padding:20px 16px}.chapter-card h3{font-size:26px}.future{padding:20px 24px;gap:8px}.future h3{margin:4px 0;font-size:27px}.future p{margin:0}.availability{margin-top:6px}.reader-main{padding:8px 16px}.reader-heading{display:block;margin-bottom:16px}.reader-heading h1{font-size:30px}.reader-heading .eyebrow{font-size:12px}.reader-heading>div>p:last-child{font-size:16px}.chapter-keepsake{display:flex;gap:12px;align-items:center;margin-top:16px}.chapter-keepsake>span{margin:0}.stage-nav{margin-bottom:16px;gap:8px}.stage-nav button{font-size:14px;padding:10px 12px;gap:8px;flex:0 0 auto}.stage-nav .step-number{font-size:18px}.stage-title{display:block}.stage-title h2{font-size:26px}.stage-title .actions{margin-top:16px}.stage-title p{font-size:15px}.comic-grid{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:16px;scrollbar-width:none;padding:4px 0 12px}.comic-grid::-webkit-scrollbar{display:none}.comic-grid>.panel-card{flex:0 0 100%;scroll-snap-align:start}.bubble{left:var(--mleft,var(--left));top:var(--mtop,var(--top));width:var(--mwidth,var(--width));font-size:17px;border-radius:18px;padding:5px 6px}.bubble[data-id=b02]{font-size:15px}.panel-tools{padding:12px;gap:7px}.panel-tools button{font-size:16px;padding:8px 12px}.mobile-pager{display:flex;justify-content:space-between;align-items:center;margin-top:12px}.mobile-pager>span{font-family:var(--english)}.mobile-pager button{padding:8px 16px}details.story-card{padding:12px 16px}.find-layout{display:block}.find-prompt{padding:14px;align-items:start;gap:10px}.find-prompt strong{font-size:26px}.find-prompt small{display:block}.find-prompt button{padding:8px 12px;font-size:15px}.found-list{margin-top:18px;padding:18px;display:grid;grid-template-columns:repeat(2,1fr);gap:0 14px}.found-list h3{grid-column:1/-1;font-family:var(--chinese);font-size:20px;margin-bottom:10px}.found-item{font-size:22px;padding:8px 0}.found-item small{font-size:13px}.word-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.word-face{padding:10px}.word-back{min-height:250px;padding:8px 0}.word-back strong{font-size:25px}.word-back p{font-size:19px}.word-audio{padding:6px 8px 12px;flex-wrap:wrap}.word-audio button{font-size:14px;padding:8px 10px}.flip-hint{font-size:13px;margin:12px 0 2px}.quiz-launch{display:block;padding:20px}.quiz-launch .button,.quiz-launch button{margin-top:16px;width:100%}.quiz-options{gap:10px;grid-template-columns:repeat(2,minmax(0,1fr))}.quiz-option{padding:8px;border-radius:18px}.theater-card{display:block}.theater-copy{padding:18px}.theater-line{font-size:22px}.lesson-lines{padding:12px}.lesson-line{padding:12px 8px;gap:10px}.lesson-line .en{font-size:22px;line-height:1.3}.lesson-line .zh{font-size:15px}.actor-box{padding:20px}.actor-words{font-size:26px}.wordbox{padding:18px}.word-tokens{gap:9px}.word-token{font-size:21px;padding:10px 14px}.homework-grid{grid-template-columns:1fr}.hw-bubble{font-size:18px;border-radius:18px;padding:8px}.hw-blank{font-size:18px;min-width:100px;padding:4px 6px}.hw-caption{padding:12px 16px}.bottom-bar{font-size:14px;align-items:start}.bottom-bar>span{max-width:55%}.bottom-bar button{padding:10px 14px;white-space:nowrap}.completion{padding:28px 20px}.completion h2{font-size:29px}.paper-task{padding:16px}.dialog-body{padding:28px 22px}.dialog-body h2{font-size:28px}.start-body{display:block}.start-body>img{width:100%;max-height:200px;object-fit:cover;object-position:center 35%}.start-body>div{padding:26px 22px}.start-body h2{font-size:28px}.dialog-close{margin:0 22px 22px;width:calc(100% - 44px)}.site-footer{margin-top:30px;padding:24px 18px;font-size:11px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}

[hidden]{display:none!important}

button,.button,.bubble,.scene-canvas,.scene-viewport,.hotspot{touch-action:manipulation}
.word-token,.hw-blank{touch-action:none;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}
.bubble,.panel-tools button,.scene-canvas{-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}
#reset-confirm{margin-top:20px;padding:18px;background:var(--soft);border-radius:18px}

/* Crop only the new chapter's presentation; retain the supplied image files. */
.cropped-scene{overflow:hidden}
.cropped-scene>picture{display:block;position:relative;width:100%;height:100%}
.cropped-scene>picture img{position:absolute;width:var(--image-width);max-width:none;left:var(--image-left);top:var(--image-top);height:auto}
.scene-decoration{position:absolute;display:grid;place-items:center;border-radius:5px;background:#fff0bf;color:var(--ink);font-family:var(--english);font-size:clamp(13px,1.8vw,24px);letter-spacing:1px;pointer-events:none}
.theater-reference{margin:16px 0;padding:12px;background:var(--paper);border-radius:16px;display:flex;gap:12px;align-items:center;font-family:var(--english);font-size:18px}
.theater-reference picture{width:90px;flex-shrink:0}.theater-reference img{border-radius:12px}

.hw-answer{white-space:nowrap}