:root{--bg:#edf4f2;--surface:#fff;--ink:#102f3a;--muted:#50686e;--accent:#176d65;--on-accent:#fff;--soft:#deebe5;--line:#c7d9d5;--no:#a63e44;--gold:#805b20;--gold-bg:#e6b866;--shadow:0 20px 65px #102f3a0d;color-scheme:light;font-family:'PingFang SC',system-ui,sans-serif}html[data-theme=dark]{--bg:#000000;--surface:#151515;--ink:#edf4f2;--muted:#b1c8cc;--accent:#8dd9c6;--on-accent:#102f3a;--soft:#202726;--line:#3d4846;--no:#ffa9ac;--gold:#e6b866;--shadow:0 20px 65px #0002;color-scheme:dark}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);min-width:320px}button,input,textarea,select{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button{cursor:pointer}button:disabled{cursor:wait;opacity:.55}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid 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.admin>section,.adminnav,.posterlayout>section,.game>*{min-width:0}.tablewrap{max-width:100%}@media(max-width:420px){html[lang=en] .brand{font-size:15px}html[lang=en] .brand svg{width:23px;flex-shrink:0}.tools{flex-wrap:nowrap;gap:5px}.game aside .back{margin-right:10px}}
.poster{min-height:560px;aspect-ratio:auto}.poster>*{flex-shrink:0}.poster .posterfoot{padding-top:25px}.poster .pixelbowl{height:55px}.poster .score{font-size:68px;margin-top:10px}.poster h2{margin-top:20px}@media(max-width:420px){.poster{min-height:550px}.poster h2{font-size:29px}.poster .posterfoot{gap:12px}.poster .qrplaceholder{width:66px;height:66px}}

.is-onboarding #header,.is-onboarding #footer,.is-onboarding #preview-banner{display:none}.is-onboarding main{padding:0;max-width:none;min-height:100vh}.onboarding{min-height:100vh;min-height:100dvh;display:flex;align-items:center;justify-content:center;padding:85px 20px 28px;background:var(--bg)}.welcome-brand{position:absolute;top:28px;left:0;right:0;display:flex;align-items:center;justify-content:center;gap:10px;font-weight:650;font-size:20px}.welcome-brand svg{width:30px;height:30px}.onboarding-card{width:540px;max-width:100%;padding:28px 32px;border:1px solid var(--line);border-radius:22px;background:var(--surface);box-shadow:var(--shadow)}.onboarding-tools{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.onboarding-question{min-height:148px}.onboarding-question h1{font-size:34px;line-height:1.4;margin-bottom:14px;letter-spacing:-.02em}.onboarding-question p{font-size:15px}.onboarding-choices{display:grid;gap:12px}.onboarding-choices .choice{margin:0;min-height:74px}.onboarding-bottom{min-height:66px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:20px}.onboarding-bottom small{max-width:270px}.onboarding-bottom .textbtn{white-space:nowrap}@media(max-width:420px){.onboarding{padding-left:16px;padding-right:16px}.onboarding-card{padding:22px}.onboarding-question{min-height:166px}.onboarding-question h1{font-size:28px}.onboarding-choices .choice{padding:16px;min-height:82px}.onboarding-choices b{font-size:16px}.onboarding-bottom{min-height:76px}.onboarding-bottom small{font-size:12px;max-width:180px}}
.onboarding-bottom{height:80px;min-height:80px}.onboarding-question{height:166px;min-height:166px}

/* Younger-player visual theme: sea-turtle greens, pond blue and shell pink. */
html[data-audience=young]{--turtle-light:#b5dfa4;--turtle-eye:#15372c;--turtle-cheek:#efacba}
html[data-audience=young][data-theme=light]{--bg:#f0f8f5;--accent:#286551;--soft:#deefeb;--line:#bfd8cc;--gold-bg:#edce76}
html[data-audience=young][data-theme=dark]{--bg:#000;--surface:#151a18;--soft:#1b2c25;--accent:#aadab2;--turtle-light:#52865e;--line:#3d5146;--turtle-eye:#071d12}
.turtle{width:160px;height:120px;flex-shrink:0}.brand .turtle{width:42px;height:32px}html[data-audience=young] h1,html[data-audience=young] h2{font-family:'PingFang SC',system-ui,sans-serif;font-weight:750;letter-spacing:-.02em}html[data-audience=young] .primary,html[data-audience=young] .quiet,html[data-audience=young] .tag{border-radius:24px}html[data-audience=young] .storytile{border-radius:26px;border:1px solid var(--line)}html[data-audience=young] .tileart{border-radius:30px 30px 24px 24px}html[data-audience=young] .question{border-radius:24px 24px 5px 24px}html[data-audience=young] .chatbox{border:1px solid var(--line);border-radius:28px}html[data-audience=young] .adult-art{display:none}html[data-audience=young] .hero h1{font-size:clamp(34px,4vw,54px);line-height:1.35}.turtle-world{position:relative;width:100%;min-height:410px;display:flex;align-items:center;justify-content:center;flex-direction:column}.turtle-world>.turtle{width:260px;height:195px;position:relative;z-index:1;margin-top:20px}.speech{padding:16px 23px;background:var(--surface);border:1px solid var(--line);border-radius:24px 24px 24px 5px;font-size:18px;color:var(--accent);position:relative;z-index:1;transform:rotate(-4deg)}.pond{height:65px;width:85%;border:2px solid var(--line);background:var(--soft);border-radius:50%;margin-top:-28px}.world-caption{margin-top:30px;font-size:14px;color:var(--muted)}.bubble{position:absolute;border:2px solid var(--line);border-radius:50%}.bubble-one{width:42px;height:42px;top:130px;left:7%}.bubble-two{width:22px;height:22px;top:90px;right:12%}.twinkle{position:absolute;right:8%;top:210px;font-size:33px;color:var(--gold)}html[data-audience=young] .empty .turtle{width:96px;height:72px}html[data-audience=young] .seal{width:105px;height:105px;background:var(--soft)}html[data-audience=young] .seal .turtle{width:90px;height:70px}@media(max-width:420px){.turtle-world{min-height:330px}.turtle-world>.turtle{width:210px;height:158px}.speech{font-size:16px}.world-caption{margin-top:20px}html[data-audience=young] .hero h1{font-size:34px}}@media(prefers-reduced-motion:no-preference){html[data-audience=young] .primary:active{transform:translateY(2px) scale(.98)}}

/* Adult night: static pixel silhouettes and stepped light, no jump scares. */
.mystery-world{display:none}html[data-audience=adult][data-theme=dark] .hero .adult-art{display:none}html[data-audience=adult][data-theme=dark] .mystery-world{display:block;width:100%;max-width:460px}.mystery-scene{display:block;width:100%;height:auto}.mystery-light{fill:#102822}.mystery-far{fill:#24342e}.mystery-shadow{fill:#3b5147}.mystery-edge{fill:#557568}.mystery-water{fill:#102822}.mystery-paper{fill:#b9cec0}.mystery-ink{fill:#10251d}.mystery-glint{fill:#e6b866}.mystery-note{text-align:center;color:#b1c8cc;font-size:14px;margin-top:-10px}html[data-audience=adult][data-theme=dark] .tag{border-radius:3px;border-left:3px solid #8dd9c6}html[data-audience=adult][data-theme=dark] .tileart{border-radius:4px;box-shadow:inset 0 0 0 6px var(--surface),inset 0 0 0 7px var(--line)}html[data-audience=adult][data-theme=dark] .thinking i{border-radius:0}html[data-audience=adult][data-theme=dark] .seal{border-radius:8px;border-style:dashed}@media(max-width:420px){.mystery-world{max-width:310px}.mystery-note{font-size:13px;margin-top:0}}
/* Adult night red study: warning-light glow and burgundy wax; preview, not final palette. */
html[data-audience=adult][data-theme=dark]{--bg:#000000;--surface:#191416;--ink:#f2eded;--muted:#c1b2b6;--accent:#ef9ba7;--on-accent:#210b11;--soft:#2b171d;--line:#57333d;--no:#ffb787}
html[data-audience=adult][data-theme=dark] .primary{background:#8c2941;border-color:#b94c65;color:#fff6f8}
html[data-audience=adult][data-theme=dark] .primary:hover{background:#a43650;filter:none}
html[data-audience=adult][data-theme=dark] .tag{border-left-color:#ef9ba7}
html[data-audience=adult][data-theme=dark] .mystery-light{fill:#321019}
html[data-audience=adult][data-theme=dark] .mystery-far{fill:#43232d}
html[data-audience=adult][data-theme=dark] .mystery-shadow{fill:#79515d}
html[data-audience=adult][data-theme=dark] .mystery-edge{fill:#91455b}
html[data-audience=adult][data-theme=dark] .mystery-water{fill:#250e16}
html[data-audience=adult][data-theme=dark] .mystery-paper{fill:#d7c5ca}
html[data-audience=adult][data-theme=dark] .mystery-ink{fill:#421421}
html[data-audience=adult][data-theme=dark] .mystery-glint{fill:#f07d96}
html[data-audience=adult][data-theme=dark] .mystery-note{color:var(--muted)}

/* One steady pixel eye; glow stays local and never flashes. */
.mystery-eye{fill:#ff244b;filter:drop-shadow(0 0 3px #ff244b) drop-shadow(0 0 8px #e80036)}.mystery-eye-core{fill:#ffd3dc;pointer-events:none}

/* Mobile play layout and purposeful motion. */
.game-story summary{cursor:pointer;color:var(--muted);padding:12px 0;min-height:44px;list-style-position:inside}.game-story .intro{margin:10px 0 20px}.game-story:not([open]){border-bottom:1px solid var(--line)}
@media(max-width:800px){
 header{padding:14px 20px}main{padding-top:12px}.hero{gap:0}.hero>div:first-child{padding-top:12px}.hero h1{font-size:clamp(32px,8vw,42px);margin-bottom:16px}.hero p{font-size:16px;line-height:1.75;margin-bottom:16px}.hero .actions{margin:20px 0 12px}.heroart{min-height:240px;padding:12px 0}.mystery-world{max-width:260px!important}.bowl{width:250px}.bowl .slip{padding:22px}.slip h2{font-size:23px}.slip p{font-size:14px}.bowl-pixel .pixelbowl{width:85px;height:75px}.turtle-world{min-height:260px}.turtle-world>.turtle{width:180px;height:135px}.speech{font-size:15px;padding:12px 18px}.world-caption{margin-top:15px}.below{padding:24px 0}.below h2{font-size:26px}.steps{margin-top:18px}.step p{margin-bottom:8px}
 body[data-page=play] main{padding-bottom:45px}.game{gap:10px}.game aside .back{margin-bottom:6px}.game h1{font-size:28px;margin:12px 0 4px}.game aside .actions{gap:20px;margin:0}.game aside>small{display:block;font-size:12px;margin-top:4px}.game .intro{font-size:18px;line-height:1.8}.chatbox{min-height:310px;overflow:visible}.chathead{padding:16px}.messages{max-height:none;min-height:140px;padding:16px}.empty{padding:20px 8px}.empty .symbol{font-size:40px;margin-bottom:10px}.empty p{font-size:14px;margin-bottom:8px}.composer{position:static;padding:12px 16px max(12px,env(safe-area-inset-bottom));border-top:1px solid var(--line);box-shadow:none;align-items:center}.composer textarea{min-height:46px;height:46px;max-height:100px;resize:none;background:var(--bg);border-radius:12px;font-size:16px}.composer .primary{padding:12px 16px;white-space:nowrap;min-height:46px}.statusbar{padding:10px 16px}.previewstates{font-size:12px;gap:10px}.reply{margin-bottom:20px}.reply .textbtn{min-width:44px}.question{font-size:16px}.game-story summary{font-size:14px}.onboarding{padding-top:74px}.onboarding-question{height:135px;min-height:135px}
}
@media(max-width:420px){.hero h1,html[data-audience=young] .hero h1{font-size:32px}.heroart{min-height:235px}.turtle-world{min-height:250px}.mystery-note{font-size:12px}.composer{padding-left:12px;padding-right:12px}.composer .primary{padding:12px;font-size:14px}.hero .actions .primary{flex:1}.hero .actions .quiet{flex:0 1 auto}}
@media(prefers-reduced-motion:no-preference){
 .primary,.quiet,.iconbtn,.choice{transition:transform .14s ease,background-color .18s ease,border-color .18s ease}.primary:active,.quiet:active,.iconbtn:active,.choice:active{transform:scale(.97)}
 .question.latest{animation:answer-in .18s ease-out}.game-story[open] .intro{animation:answer-in .18s ease-out}.onboarding-card{animation:answer-in .22s ease-out}.mystery-eye{animation:eye-arrive .8s ease-out 1}
 @keyframes answer-in{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}@keyframes eye-arrive{from{opacity:.35}to{opacity:1}}
}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media(max-width:800px){body[data-page=play]{padding-bottom:90px}}

@font-face{font-family:'Chakra Petch';src:url('/fonts/ChakraPetch-Regular.ttf') format('truetype');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'Chakra Petch';src:url('/fonts/ChakraPetch-SemiBold.ttf') format('truetype');font-weight:600 900;font-style:normal;font-display:swap}
html[lang=en]{font-family:'Chakra Petch',system-ui,sans-serif}html[lang=en] h1,html[lang=en] h2,html[lang=en] .intro,html[lang=en] .serif,html[lang=en] .score,html[lang=en][data-audience=young] h1,html[lang=en][data-audience=young] h2{font-family:'Chakra Petch',system-ui,sans-serif}html[lang=en] h1,html[lang=en] h2{font-weight:600;letter-spacing:-.02em}html[lang=en] .intro{line-height:1.8}

@font-face{font-family:'Fusion Pixel';src:url('/fonts/fusion/fusion-pixel-12px-proportional-zh_hans.otf.woff2') format('woff2');font-style:normal;font-weight:400;font-display:swap}
html[lang=zh-CN] h1,html[lang=zh-CN] h2,html[lang=zh-CN] .brand,html[lang=zh-CN] .welcome-brand,html[lang=zh-CN][data-audience=young] h1,html[lang=zh-CN][data-audience=young] h2{font-family:'Fusion Pixel','PingFang SC',sans-serif;font-weight:400;font-synthesis:none;letter-spacing:0;line-height:1.5}
html[lang=zh-CN] .intro{font-family:'PingFang SC',system-ui,sans-serif}
html[lang=zh-CN] .hero h1{font-size:48px}html[lang=zh-CN] .onboarding-question h1{font-size:24px}html[lang=zh-CN] .brand{font-size:24px}html[lang=zh-CN] .poster h2{font-size:36px}
@media(max-width:800px){html[lang=zh-CN] .hero h1,html[lang=zh-CN][data-audience=young] .hero h1{font-size:36px}html[lang=zh-CN] .game h1{font-size:24px}html[lang=zh-CN] .brand{font-size:24px}}
@media(max-width:360px){html[lang=zh-CN] .hero h1,html[lang=zh-CN][data-audience=young] .hero h1{font-size:24px}}
/* Production controls preserve the approved pixel identity and readable body text. */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:24px}.card{padding:24px;border:1px solid var(--line);border-radius:16px}.card p{line-height:1.8}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.modal{position:fixed;inset:0;z-index:100;background:#000b;display:grid;place-items:center;padding:16px}.modalcard{background:var(--bg);border:1px solid var(--line);padding:24px;max-width:540px;width:100%;max-height:90dvh;overflow:auto}.modalcard input{width:100%;margin:12px 0}button:disabled{opacity:.55;cursor:wait}#journal{display:grid;gap:16px}#journal textarea{display:block;width:100%;min-height:80px}pre{white-space:pre-wrap;overflow-wrap:anywhere}footer{padding-bottom:32px}

/* Commerce extends the existing visual system. */
.commerce-panel{max-width:720px;margin:40px auto;line-height:1.8}.commerce-panel form{display:grid;gap:12px;margin:24px 0}.commerce-panel input{width:100%;min-height:48px;padding:12px;border:1px solid var(--line,#555);border-radius:8px;background:transparent;color:inherit;font:inherit}.commerce-panel ul{padding-left:24px}.commerce-panel .quiet{margin:8px 8px 8px 0}.topnav a{font-size:14px;text-decoration:none;color:inherit;white-space:nowrap}.result-ad:not(:empty){margin-top:150px;min-height:100px}.result-ad small{display:block;color:var(--muted,#888)}@media(max-width:420px){.topnav{gap:8px}.brand{font-size:18px}.commerce-panel{margin:24px 0}}
/* Keep language, appearance and account controls reachable on phones. */
@media(max-width:800px){
 #header{flex-wrap:wrap;gap:10px;padding-top:14px;padding-bottom:14px}
 #header .topnav{display:flex;width:100%;justify-content:flex-end;gap:10px;margin-left:0;flex-wrap:wrap}
 #header .topnav>a{display:flex;align-items:center;min-height:44px;padding:0 8px}
 #header .topnav .iconbtn{min-height:44px;min-width:44px}
}
.purchase-price{font-size:clamp(2rem,8vw,3rem);font-weight:700;line-height:1.2;margin:1.25rem 0}.purchase-price small{font-size:1rem;font-weight:400}.commerce-panel input{max-width:100%;box-sizing:border-box}.commerce-panel li{margin-block:.7rem}
/* Approved studio lockup: original PNG, framed around its central logo. */
.studio-signature{display:flex;justify-content:center;margin-top:1.5rem;padding-top:.75rem}
.studio-signature img{width:min(280px,85vw);height:74px;object-fit:cover;object-position:center;max-width:100%}
:root[data-theme="dark"] .studio-signature img{filter:brightness(0) invert(1);opacity:.8}
.studio-signature{flex-basis:100%;width:100%}
.commerce-panel a.primary{display:inline-flex;align-items:center;justify-content:center;text-decoration:none}

/* Reserve a result-only slot away from game controls. */
.result-ad[hidden]{display:none}.result-ad .ad-placement{margin-top:32px;border-top:1px solid var(--line);padding-top:16px}.ad-label{font-size:12px;color:var(--muted)}.ad-slot{min-height:250px;max-width:100%;overflow:hidden}.ad-preferences{display:flex;flex-wrap:wrap;gap:16px;font-size:13px}.ad-consent{margin-top:48px;padding:20px;border:1px solid var(--line);line-height:1.7}

/* Pixel speech bubbles: symbols and text communicate meaning together. */
.host-bubble{--feedback:#656b73;--bubble:#f0f1f3;position:relative;display:inline-flex;align-items:center;gap:12px;padding:12px 16px;margin:4px 4px 10px;border:2px solid var(--feedback);border-radius:0;background:var(--bubble);color:var(--feedback);box-shadow:3px 3px 0 var(--feedback);line-height:1.5;max-width:calc(100% - 8px);transform-origin:18px 100%}
.host-bubble::after{content:"";position:absolute;left:14px;bottom:-8px;width:8px;height:8px;background:var(--bubble);border-right:2px solid var(--feedback);border-bottom:2px solid var(--feedback);transform:skewY(45deg)}
.host-yes{--feedback:#237342;--bubble:#eff9f1}.host-no{--feedback:#ad303e;--bubble:#fff1f2}
[data-theme="dark"] .host-bubble{--feedback:#b0b5bd;--bubble:#191c21}
[data-theme="dark"] .host-yes{--feedback:#7cd99a;--bubble:#11251a}
[data-theme="dark"] .host-no{--feedback:#ff8791;--bubble:#2d151a}
.host-irrelevant{--feedback:#896000;--bubble:#fff8d8}
[data-theme="dark"] .host-irrelevant{--feedback:#f3cb59;--bubble:#292310}
.answer-icon{width:28px;height:28px;flex:0 0 28px;image-rendering:pixelated}
@media(prefers-reduced-motion:no-preference){
 .answer-motion.host-yes{animation:host-nod .48s steps(6,end) both}
 .answer-motion.host-no{animation:host-shake .44s steps(6,end) both}
 .answer-motion.host-irrelevant{animation:host-pop .32s steps(5,end) both}
}
@keyframes host-nod{0%,100%{transform:translateY(0)}25%,65%{transform:translateY(4px)}45%,85%{transform:translateY(-2px)}}
@keyframes host-shake{0%,100%{transform:translateX(0)}20%,60%{transform:translateX(-4px)}40%,80%{transform:translateX(4px)}}
@keyframes host-pop{0%{opacity:0;transform:scale(.84)}65%{opacity:1;transform:scale(1.04)}100%{opacity:1;transform:scale(1)}}

.game-rewards{padding:16px;border-top:1px solid var(--line)}.game-rewards .hint-note{padding:16px;border-left:3px solid var(--accent);background:var(--soft);margin-bottom:16px}.hint-note p{margin:10px 0;line-height:1.7}.extension-note h2{font-size:24px}.extension-note{margin-bottom:20px}.game-rewards .actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.reward-dialog{max-width:480px;width:calc(100% - 32px);max-height:85vh;overflow:auto;background:var(--surface);color:var(--ink);border:2px solid var(--line);padding:24px}.reward-dialog::backdrop{background:#0009}.reward-dialog h2{font-size:26px}.reward-dialog[open]{display:block}.reward-dialog small{line-height:1.6}@media(max-width:420px){.extension-note .primary{width:100%}.reward-dialog .actions{display:flex;gap:12px;flex-wrap:wrap}}

/* Title-only library: original 24px pixel art, themed without revealing solutions. */
.story-card{display:grid;grid-template-columns:80px minmax(0,1fr);gap:20px;align-items:center}.story-card-art{--pixel-a:var(--accent);--pixel-i:var(--ink);--pixel-g:var(--gold,#bca16b);--pixel-b:var(--surface);width:80px;height:96px;display:grid;place-items:center;background:var(--soft);border:1px solid var(--line)}.story-pixel-icon{width:72px;height:72px;image-rendering:pixelated}.story-card-content{min-width:0}.story-card h2{font-size:24px;line-height:1.4;margin:10px 0 16px;overflow-wrap:anywhere}.story-card .tag{font-size:12px}.story-card .quiet{min-height:44px}.story-card-art svg{transition:transform .15s steps(2,end)}@media(hover:hover) and (prefers-reduced-motion:no-preference){.story-card:hover .story-pixel-icon{transform:translateY(-3px)}}@media(max-width:480px){.story-card{grid-template-columns:64px minmax(0,1fr);gap:16px;padding:20px}.story-card-art{width:64px;height:80px}.story-pixel-icon{width:48px;height:48px}.story-card h2{font-size:22px}}

/* Revealed solution: neutral numbered facts, not earned progress badges. */
.solution-checkpoints{margin:20px 0;padding:16px;border:1px solid var(--line);border-radius:8px;background:var(--soft)}
.solution-checkpoints h3{margin:0 0 12px;font-size:1rem}
.solution-checkpoints ol{margin:0;padding-left:1.6em}
.solution-checkpoints li{padding-left:.3em;line-height:1.7;overflow-wrap:anywhere}
.solution-checkpoints li+li{margin-top:12px}
.solution-checkpoints li::marker{color:var(--accent);font-weight:700}

.game aside > .back{display:inline-flex;align-items:center;gap:8px;min-height:44px}
.back-arrow{width:16px;height:16px;flex:none}

.difficulty-tag{margin-left:8px;white-space:nowrap}.difficulty-tag>span{font-family:monospace;letter-spacing:1px}.difficulty-note{font-size:13px}

.story-card-art.is-uncompleted{background:#000}

.story-card-visual{display:flex;flex-direction:column;align-items:center;gap:8px;transform:translateY(-4px)}
.difficulty-stars{display:block;color:var(--gold);font-family:monospace;font-size:15px;letter-spacing:3px;line-height:20px;text-align:center;padding-left:3px}

/* Compact mobile library rows; desktop cards retain their existing layout. */
@media(max-width:600px){
 .cards:has(.story-card){gap:10px}
 .story-card{grid-template-columns:48px minmax(0,1fr);gap:12px;padding:12px;border-radius:12px}
 .story-card-visual{gap:4px;transform:translateY(-2px)}
 .story-card-art{width:48px;height:56px}
 .story-pixel-icon{width:42px;height:42px}
 .difficulty-stars{font-size:12px;line-height:16px;letter-spacing:2px;padding-left:2px}
 .story-card-content{display:grid;grid-template-columns:minmax(0,1fr) auto;column-gap:8px;align-items:center}
 .story-card-content>.tag{grid-column:1;justify-self:start;font-size:10px;padding:3px 6px;line-height:1.4}
 .story-card h2{grid-column:1;margin:5px 0 0;font-size:18px;line-height:1.35}
 .story-card-content>.quiet{grid-column:2;grid-row:1 / 3;min-height:44px;padding:8px;font-size:12px;white-space:nowrap}
}

.story-card{position:relative}
.story-card-hit{position:absolute;inset:0;width:100%;height:100%;border:0;border-radius:inherit;background:transparent;z-index:1;padding:0}
.story-card-hit:disabled{cursor:not-allowed}
.story-card:focus-within{outline:2px solid var(--accent);outline-offset:3px}
@media(max-width:600px){
 .cards:has(.story-card){grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
 .story-card{display:flex;flex-direction:column;justify-content:flex-start;align-items:center;gap:8px;padding:14px 10px;text-align:center;min-width:0}
 .story-card-visual{transform:none;gap:4px}
 .story-card-art{width:48px;height:52px}
 .story-card-content{display:flex;flex-direction:column;align-items:center;gap:6px;width:100%}
 .story-card-content>.tag{font-size:10px}
 .story-card h2{font-size:17px;line-height:1.35;margin:0;overflow-wrap:anywhere}
}

.library-filters{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;max-width:520px;margin:16px 0 8px}.library-filters label{font-size:13px;display:grid;gap:6px}.library-filters select{width:100%;min-width:0;min-height:44px;padding:8px;background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:8px}.library-count{font-size:13px;color:var(--muted);margin:8px 0 12px}

.story-tags{display:flex;flex-wrap:wrap;gap:4px;align-items:center}.story-tags .tag{margin:0}@media(max-width:600px){.story-tags{justify-content:center}.story-tags .tag{font-size:10px;padding:3px 5px;line-height:1.4}}

@media(max-width:600px){.messages>.reply,.messages>.panel{scroll-margin-bottom:calc(130px + env(safe-area-inset-bottom))}}

#report-form label,.case-review label{display:grid;gap:8px;margin:12px 0}#report-form select,.case-review select{min-height:44px;max-width:100%;background:var(--surface);color:var(--ink);border:1px solid var(--line)}.case-context{white-space:pre-wrap;overflow-wrap:anywhere}

/* Result actions: share, continue, then optional feedback. */
.result-actions{display:grid;gap:12px;margin-top:20px}
.result-share>button{width:100%;min-height:48px}
.result-next{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.result-next>.quiet{display:flex;align-items:center;justify-content:center;text-align:center;min-height:44px;margin:0;padding:10px 12px;text-decoration:none;border:1px solid var(--line);border-radius:10px;line-height:1.4}
.result-feedback{display:grid;gap:8px;margin-top:6px;padding-top:16px;border-top:1px solid var(--line)}
.result-feedback>span{font-size:13px;color:var(--muted)}
.result-ratings{display:flex;flex-wrap:wrap;gap:8px}
.result-ratings>button{min-height:44px;margin:0;font-size:13px;padding:8px 12px}
.result-ratings>button[aria-pressed="true"]{border-color:var(--accent);color:var(--accent)}

#poster-preview{display:grid;gap:16px;margin:16px 0 20px;min-width:0}
#poster-preview:empty{display:none}
#poster-preview>img{display:block;margin:0 auto}
#poster-preview>[data-poster-save]{display:flex;align-items:center;justify-content:center;justify-self:start;min-height:48px;margin:0;box-sizing:border-box;text-decoration:none}
#poster-preview>p{margin:0;font-size:13px;line-height:1.65;color:var(--muted);overflow-wrap:anywhere}

/* Account collection: compact pixel tiles, lit only by real completion. */
.level-wall{border-top:1px solid var(--line);padding-top:24px}.level-wall-heading{display:flex;align-items:baseline;justify-content:space-between;gap:12px;flex-wrap:wrap}.level-wall-heading h2{font-size:22px;margin:0}.level-wall-heading>span{font-size:13px;color:var(--muted)}.level-wall-grid{display:grid;grid-template-columns:repeat(auto-fill,44px);gap:8px;list-style:none;padding:0!important;margin:20px 0}.level-wall-grid .level-wall-tile{position:relative;display:grid;place-items:center;width:44px;height:44px;margin:0;border:1px solid var(--line);background:#000;--pixel-a:#fff;--pixel-i:#fff;--pixel-g:#fff;--pixel-b:#000}.level-wall-tile.is-complete{background:var(--soft);--pixel-a:var(--accent);--pixel-i:var(--ink);--pixel-g:var(--gold,#bca16b);--pixel-b:var(--surface)}.level-wall-tile .story-pixel-icon{width:32px;height:32px}.level-wall-tile:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.level-wall-tooltip{display:none;position:absolute;bottom:calc(100% + 8px);left:0;z-index:2;padding:6px 9px;width:max-content;max-width:180px;font-size:12px;line-height:1.5;background:var(--surface);color:var(--ink);border:1px solid var(--line);pointer-events:none}.level-wall-tile:focus .level-wall-tooltip,.level-wall-tile:hover .level-wall-tooltip{display:block}.level-wall>p{font-size:13px;margin-bottom:0}
.content-editor{display:block;width:100%;box-sizing:border-box;font:13px/1.6 monospace;background:var(--surface);color:var(--ink);padding:12px;border:1px solid var(--line)}

/* Subtle pixel steam: only the brand steam moves, with no layout changes. */
@media(prefers-reduced-motion:no-preference){
 .brand .brand-steam{animation:brand-steam-float 2.4s steps(4,end) infinite;}
 @keyframes brand-steam-float{0%,100%{transform:translateY(0)}50%{transform:translateY(-2px)}}
}
/* Expansion catalog: compact title-only previews, matching existing pixel cards. */
.expansion-packs{margin-top:40px}.expansion-packs>article{margin:20px 0}.pack-story-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:18px}.pack-story-preview{display:flex;flex-direction:column;align-items:center;gap:8px;text-align:center;font-size:14px;overflow-wrap:anywhere}.pack-story-preview .story-card-art{width:48px;height:48px;flex:none}.pack-story-preview .difficulty-stars{font-size:12px}@media(max-width:520px){.pack-story-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* Private account details: keep date controls inside narrow mobile cards. */
.profile-form{display:grid;gap:12px;margin:20px 0;min-width:0}
.profile-form input,.profile-form select{box-sizing:border-box;width:100%;min-width:0;max-width:100%;min-height:44px;font:inherit;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:10px}
.profile-form button{justify-self:start;min-height:44px}
.account-profile{border-top:1px solid var(--line);margin-top:24px;padding-top:16px}

.story-card-art{position:relative}.story-lock{position:absolute;right:-5px;bottom:-5px;font-size:16px;line-height:24px;background:var(--bg,#111);border:1px solid currentColor;border-radius:4px;padding:0 3px}

/* Pack previews use their own compact icon size, independent of library cards. */
.pack-story-preview{min-width:0;justify-content:flex-start;gap:8px}
.pack-story-preview .story-card-art{width:48px;height:48px;min-width:0;min-height:0;overflow:hidden}
.pack-story-preview .story-pixel-icon{display:block;width:40px;height:40px;max-width:100%;max-height:100%;flex:none}
.pack-story-preview>span:not(.difficulty-stars){display:block;min-height:2.8em;line-height:1.4;max-width:100%}
.pack-story-preview .difficulty-stars{line-height:1.4}

/* Keep footer status and navigation vertically aligned, including wrapped rows. */
#footer{align-items:center}
#footer>small{display:inline-flex;align-items:center;min-height:30px}


.composer textarea{line-height:24px;box-sizing:border-box;min-height:0;resize:none}
.new-replies{align-self:center;margin:6px 0;flex:none}
.new-replies[hidden]{display:none}
.draft-recovery{flex:none;font-size:13px}
@media(max-width:800px){.composer textarea{min-height:0;max-height:100px;line-height:24px}.composer{align-items:flex-end}}
@media(max-width:800px){body[data-page=play] .messages{max-height:55dvh;overflow-y:auto}}

/* Keep the complete solution readable, including author-written paragraphs. */
.solution-truth p{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.8}
.game-result{scroll-margin-top:1rem}
/* Match the desktop illustration column to the height of the introduction. */
@media(min-width:801px){
 .hero:has(.mystery-world){align-content:center}
 .hero:has(.mystery-world) .heroart{min-height:0;align-self:stretch}
 html[data-audience=adult][data-theme=dark] .hero .mystery-world{position:absolute;inset:0;margin:auto;display:flex;flex-direction:column;height:100%;align-items:center}
 .hero .mystery-scene{flex:1;min-height:0;height:0;object-fit:contain;margin-top:-16px}
 .hero .mystery-note{flex:none;margin-top:0}
}
/* Subtle invitation on both home-page start and resume buttons. */
@media(prefers-reduced-motion:no-preference){
 .hero .actions>.primary{animation:home-button-nudge 5s ease-in-out 1.5s infinite}
 .hero .actions>.primary:is(:hover,:focus-visible,:active,:disabled){animation:none}
 @keyframes home-button-nudge{
  0%,12%,100%{translate:0 0;rotate:0deg}
  2%,6%{translate:-1px 0;rotate:-.7deg}
  4%,8%{translate:1px 0;rotate:.7deg}
  10%{translate:-.5px 0;rotate:-.3deg}
 }
}
/* First-visit tutorial: a separate top-layer dialog survives game renders. */
body.tutorial-open{overflow:hidden}
.tutorial-dialog{width:min(520px,calc(100% - 32px));max-height:calc(100dvh - 32px);margin:auto;padding:28px;border:1px solid var(--line);border-radius:24px;background:var(--surface);color:var(--ink);box-shadow:var(--shadow);overflow:auto;overscroll-behavior:contain}
.tutorial-dialog::backdrop{background:rgb(0 0 0 / .68)}
.tutorial-top,.tutorial-tools,.tutorial-progress,.tutorial-actions,.tutorial-actions>div{display:flex;align-items:center;gap:10px}
.tutorial-top,.tutorial-actions{justify-content:space-between}
.tutorial-eyebrow{font-size:14px;color:var(--muted)}
.tutorial-tools button{font-size:12px;padding:8px 10px}
.tutorial-progress{margin:20px 0;color:var(--muted);font-size:13px}
.tutorial-progress span{margin-right:4px}.tutorial-progress i{height:4px;width:24px;border-radius:4px;background:var(--line)}.tutorial-progress .is-current{background:var(--accent)}
.tutorial-illustration{min-height:168px;background:var(--bg);border:1px solid var(--line);border-radius:16px;display:flex;align-items:center;justify-content:center;padding:20px;margin-bottom:24px}
.tutorial-dialog h2{font-size:26px;line-height:1.45;margin:0 0 14px;letter-spacing:-.02em}.tutorial-dialog h2:focus{outline:none}
.tutorial-dialog p{font-size:16px;line-height:1.8;margin:0 0 16px}.tutorial-dialog .tutorial-note{font-size:14px;color:var(--muted)}
.tutorial-story{width:180px;padding:18px;border:1px solid var(--line);border-radius:12px;background:var(--surface);transform:rotate(-4deg)}
.tutorial-story span{display:block;font-size:40px;font-weight:650;line-height:1;color:var(--accent);margin-bottom:16px}.tutorial-story i{display:block;height:5px;margin-top:9px;border-radius:4px;background:var(--line)}.tutorial-story i:last-child{width:60%}
.tutorial-chat{width:100%;display:grid;gap:6px}.tutorial-chat p{margin:0;background:var(--surface);padding:10px 14px;border-radius:12px;font-size:15px;line-height:1.6}.tutorial-chat small{display:block;font-size:12px;color:var(--muted)}.tutorial-chat>span{text-align:center;color:var(--muted)}.tutorial-chat .tutorial-guess{background:var(--soft);border:1px solid var(--accent)}
.tutorial-clues{display:flex;align-items:center;width:100%;max-width:260px}.tutorial-clues span{display:grid;place-items:center;flex-shrink:0;width:52px;height:52px;border:1px solid var(--accent);border-radius:50%;background:var(--soft);color:var(--accent);font-size:25px}.tutorial-clues i{flex:1;border-top:2px dashed var(--accent)}
.tutorial-actions{margin-top:24px;gap:8px}.tutorial-actions .primary,.tutorial-actions .quiet{padding:12px 16px}.tutorial-actions .textbtn{padding:12px 4px}
.chathead>[data-action=tutorial]{margin-left:auto;font-size:13px;padding:8px}
@media(max-width:420px){.tutorial-dialog{padding:20px;border-radius:20px}.tutorial-dialog h2{font-size:22px}.tutorial-top{gap:6px}.tutorial-illustration{min-height:144px;padding:16px}.tutorial-actions>div{gap:8px}}

/* Make the game type explicit before the atmospheric headline. */
.hero-category{color:var(--accent);font-size:14px;font-weight:600;line-height:1.6;letter-spacing:.04em;margin-bottom:16px}
.hero .actions>.primary{white-space:nowrap;flex-shrink:0}
@media(max-width:420px){.hero-category{font-size:13px;margin-bottom:12px}.hero .actions>.primary{flex:0 0 auto}}

/* Equal sign-in choices; keep WeChat last on narrow screens too. */
.login-methods{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-top:24px}.login-methods>.quiet{display:flex;align-items:center;justify-content:center;text-align:center;min-height:48px;margin:0;padding:10px 8px;font-size:14px;overflow-wrap:anywhere}@media(max-width:600px){.login-methods{grid-template-columns:repeat(2,minmax(0,1fr))}}