@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@400;600;700;800&display=swap');
:root{--ink:#183e39;--teal:#17675c;--lime:#d9edb7;--paper:#f7f3ea;--line:#dddcd1;--muted:#65766c;--orange:#f0c99e}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:16px 'DM Sans',system-ui,sans-serif}header{max-width:1140px;margin:auto;padding:28px 28px 20px;display:flex;justify-content:space-between;align-items:center}#brand{font:800 32px Manrope,system-ui;color:var(--ink);letter-spacing:-2px;text-decoration:none}#brand span{display:block;font:600 9px 'DM Sans',sans-serif;letter-spacing:2px;margin-top:3px}button,a{touch-action:manipulation}button{font:600 15px 'DM Sans',sans-serif;cursor:pointer;border:0;border-radius:14px;padding:15px 20px;background:var(--teal);color:white;min-height:48px;transition:background .15s,transform .15s}button:hover{filter:brightness(.96)}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #b6773f;outline-offset:4px}button:disabled{opacity:.48;cursor:default}.quiet{background:transparent;color:var(--ink);border:1px solid var(--line)}.soft{background:#e6eee1;color:var(--ink)}.small{font-size:13px;padding:9px 13px;min-height:40px}.danger{color:#963b36}main{max-width:1084px;margin:0 auto;min-height:70vh;padding:20px 24px 50px}h1,h2,h3{font-family:Manrope,system-ui;letter-spacing:-1.4px;line-height:1.12}h1{font-size:clamp(32px,5vw,58px);max-width:620px;margin:15px 0 20px}h2{font-size:30px;margin:12px 0 20px}h3{font-size:21px;letter-spacing:-.5px}p{line-height:1.65}.eyebrow{font-size:11px;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--teal)}.muted{color:var(--muted);font-size:14px}.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center;margin:10px 0 38px}.hero-art{background:#e7e8db;border-radius:120px 120px 25px 25px;position:relative;min-height:370px;overflow:hidden}.hero-art .avatar{width:100%;height:370px;background-color:transparent;mix-blend-mode:multiply}.bubble{background:#fffdf7;padding:18px 23px;border-radius:20px 20px 20px 3px;box-shadow:0 5px 25px #123a2910;font-size:18px;line-height:1.5}.hero-art .bubble{position:absolute;bottom:24px;left:20px;right:20px;text-align:center;font-size:15px}.pill{display:inline-block;font-size:11px;font-weight:700;padding:7px 11px;border-radius:30px;background:var(--lime);color:var(--ink)}.actions{display:flex;gap:10px;flex-wrap:wrap;margin:20px 0}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.card{background:#fffdf8;border:1px solid var(--line);border-radius:22px;padding:23px}.card p{font-size:14px;color:var(--muted)}.card .num{font:700 32px Manrope;color:#93a990}.visits{display:flex;gap:5px;margin:18px 0}.visit{height:6px;background:#e8e8df;flex:1;border-radius:5px}.visit.done{background:var(--teal)}.card button{width:100%}.avatar{background-image:url('assets/avatars.png');background-size:200% 200%;aspect-ratio:1;border-radius:16px;background-repeat:no-repeat}.a0{background-position:0 0}.a1{background-position:100% 0}.a2{background-position:0 100%}.a3{background-position:100% 100%}.avatar-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.avatar-choice{background:#fffdf8;border:2px solid transparent;color:var(--ink);padding:10px}.avatar-choice.selected{border-color:var(--teal);background:#e5efdd}.avatar-choice .avatar{width:100%}.form{max-width:760px;margin:auto}input[type=text]{padding:15px;border:1px solid var(--line);border-radius:12px;font:inherit;background:#fffdf8;width:100%;margin-top:8px}label{display:block;margin:16px 0;font-size:14px}.lesson-top{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:22px}.trail{display:flex;gap:6px;align-items:center;font-size:12px;color:var(--muted)}.trail b{color:var(--ink)}.progress{height:5px;background:#e4e6d9;border-radius:5px;margin-bottom:30px}.progress i{display:block;background:var(--teal);height:100%;border-radius:5px}.lesson-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:30px;align-items:start}.scene{border:1px solid #dedace;border-radius:25px;background:#e7e6d9;overflow:hidden;position:relative}.scene-head{padding:18px 22px;display:flex;justify-content:space-between;font-size:11px;letter-spacing:1px}.scene .avatar{width:100%;max-height:310px;mix-blend-mode:multiply}.scene .bubble{margin:0 20px 22px;min-height:75px;font-size:16px}.scene-tag{color:var(--muted);font-size:11px;padding:0 20px 15px;text-align:center}.customer-icon{width:34px;height:34px;border-radius:50%;background:#cdaa85;display:inline-grid;place-items:center;color:#3a3227}.stage{padding:5px 0}.choices{display:grid;gap:10px;margin:20px 0}.choice{background:#fffdf8;border:1px solid var(--line);color:var(--ink);display:flex;text-align:left;align-items:center;gap:15px;width:100%;font-size:17px;font-weight:500;padding:18px}.choice span{border:1px solid var(--line);border-radius:9px;width:30px;height:30px;display:grid;place-items:center;flex-shrink:0;font-size:12px}.choice.right{background:#e5efd9;border-color:#7a9d69}.choice.wrong{border-color:#b39468;background:#faf0df}.feedback{padding:16px;border-radius:14px;background:#e6eeda;margin:15px 0;font-size:14px;line-height:1.6}.feedback.retry{background:#f4ead9}.quote{font:600 26px Manrope;line-height:1.4;padding:20px 0;letter-spacing:-.6px}.record{width:100%;font-size:17px;display:flex;justify-content:center;align-items:center;gap:10px;background:#164f49}.record.recording{background:#943f36}.dot{display:inline-block;width:12px;height:12px;border-radius:50%;background:currentColor}.recording .dot{animation:pulse 1s infinite}.recording-note{font-size:12px;color:var(--muted)}.wave{display:inline-flex;gap:4px;height:24px;align-items:center;margin-right:8px}.wave i{width:4px;height:9px;background:var(--teal);border-radius:3px;animation:wave .8s infinite alternate}.wave i:nth-child(2){animation-delay:.2s}.wave i:nth-child(3){animation-delay:.4s}.wave i:nth-child(4){animation-delay:.1s}.speaking .avatar{animation:bob .8s ease-in-out infinite alternate}.celebrate{animation:dance 1.2s ease-in-out 1}.center{text-align:center;max-width:680px;margin:20px auto}.center .avatar{width:210px;margin:auto}.check{display:flex;align-items:center;gap:10px;line-height:1.5}.check input{width:20px;height:20px;accent-color:var(--teal)}.note-chip{padding:9px 13px;background:#fffdf8;border:1px solid var(--line);color:var(--ink);font-size:13px}.gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.gallery img{width:100%;max-height:320px;object-fit:contain;border-radius:14px;background:#e7e6df}.empty{padding:28px;background:#e9eddf;border-radius:18px}.toast,#notice{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:#173f38;color:white;border-radius:15px;padding:14px 20px;z-index:50;max-width:90vw}#notice:empty{display:none}footer{max-width:1084px;margin:auto;border-top:1px solid var(--line);padding:20px 24px;display:flex;justify-content:space-between;font-size:12px;color:var(--muted)}.notes-list{display:grid;gap:10px}.notes-list>div{padding:15px;border:1px solid var(--line);border-radius:12px;display:flex;gap:12px;justify-content:space-between;align-items:center}.status-line{font-size:12px;color:var(--muted);min-height:18px}audio{width:100%;margin:14px 0}.source-link{color:var(--teal);font-size:12px}.count-options{display:flex;gap:10px}.count-options button{flex:1}.orderline{display:flex;align-items:center;justify-content:space-between;background:#fffdf8;border:1px solid var(--line);padding:20px;border-radius:14px}.step-label{font-size:12px;color:var(--muted)}.rule{border:0;border-top:1px solid var(--line);margin:25px 0}details{margin:15px 0}summary{cursor:pointer;font-size:13px;color:var(--teal)}@keyframes pulse{50%{opacity:.3}}@keyframes wave{to{height:24px}}@keyframes bob{to{transform:translateY(-3px)}}@keyframes dance{25%{transform:rotate(-4deg) translateY(-7px)}60%{transform:rotate(4deg) translateY(-7px)}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}}body.reduced *{animation:none!important;transition:none!important}@media(max-width:740px){header{padding:20px}main{padding:10px 18px 35px}.hero{grid-template-columns:1fr;gap:15px}.hero-art{min-height:230px;max-height:270px}.hero-art .avatar{height:260px;width:260px;margin:auto}.hero h1{font-size:39px}.cards{grid-template-columns:1fr}.avatar-grid{grid-template-columns:repeat(2,1fr)}.lesson-grid{grid-template-columns:1fr;gap:20px}.scene{display:grid;grid-template-columns:95px 1fr;align-items:center;min-height:160px}.scene-head{grid-column:1/-1;padding:13px 16px}.scene .avatar{width:110px;height:110px}.scene .bubble{margin:5px 15px 10px 0;padding:14px;font-size:14px;min-height:60px}.scene-tag{grid-column:1/-1;padding-bottom:10px}.stage h2{font-size:28px}.quote{font-size:23px}.gallery{grid-template-columns:1fr}footer{display:block}footer span{display:block;margin-top:8px}.trail{font-size:11px}.lesson-top .quiet{padding:9px 12px}.actions button{flex-grow:1}}
/* Guided story */
[hidden]{display:none!important}body{padding-bottom:105px}.primary{display:block;min-width:250px;margin:25px 0 12px;font-size:17px}.text-button{background:transparent;color:var(--teal);padding:10px 4px;min-height:42px;font-size:14px}.welcome-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:45px;align-items:center}.lead{font-size:20px;line-height:1.6}.welcome-copy h1{font-size:clamp(38px,4.4vw,57px)}.guide{display:flex;gap:14px;background:#e6eddb;padding:20px;border-radius:18px;margin:25px 0}.guide-icon{display:grid;place-items:center;background:#c18a56;color:white;flex:0 0 42px;height:42px;border-radius:50%;font-weight:700}.guide b{font-size:12px;letter-spacing:.2px}.guide p{margin:5px 0 0;font-size:16px;line-height:1.65}.venue{height:560px;position:relative;border-radius:140px 140px 24px 24px;overflow:hidden;background:#223f37}.venue img{width:100%;height:100%;object-fit:cover;opacity:.7}.venue-caption{position:absolute;bottom:30px;left:30px;color:#fff}.venue-caption span{font-size:10px;letter-spacing:2px;display:block;margin-bottom:15px}.venue-caption b{font:700 30px Manrope;line-height:1.3}.intro-card{max-width:740px;margin:10px auto;padding:20px 5px}.intro-card h1{font-size:44px}.story-preview{list-style:none;padding:0;counter-reset:story;display:grid;gap:14px}.story-preview li{counter-increment:story;padding:18px 20px 18px 64px;background:#fffdf8;border-radius:17px;position:relative}.story-preview li:before{content:counter(story);position:absolute;left:22px;top:21px;color:var(--teal);font-weight:700}.story-preview b,.story-preview span{display:block}.story-preview span{font-size:14px;color:var(--muted);margin-top:6px}.journey-head{max-width:740px;margin:auto}.chapter-list{list-style:none;padding:0;max-width:780px;margin:30px auto}.chapter{background:#fffdf8;border:1px solid var(--line);border-radius:22px;margin:18px 0;padding:22px}.chapter-heading{display:flex;gap:18px;align-items:center}.chapter-number{font:700 30px Manrope;color:var(--teal);width:50px;flex-shrink:0}.chapter-heading h2{font-size:24px;margin:5px 0}.chapter-heading p{font-size:14px;color:var(--muted);margin:6px 0}.lock-label{margin-left:auto;font-size:11px;white-space:nowrap;color:var(--teal)}.locked{background:#edeee5;opacity:.8}.locked-message{font-size:13px;margin-left:68px;color:var(--muted)}.section-list{list-style:none;padding:0;margin:20px 0 0}.section-link{display:flex;align-items:center;width:100%;text-align:left;background:transparent;color:var(--ink);border-top:1px solid var(--line);border-radius:0;padding:16px 0;gap:15px}.section-link span{font-size:12px;color:var(--muted)}.section-link b{font-size:15px}.section-link small{margin-left:auto;font-size:11px;color:var(--teal)}.section-link:disabled{opacity:.6}.chapter-context{max-width:800px;margin:auto}.chapter-context h1{font-size:30px;max-width:none}.lesson-top,.progress{max-width:800px;margin-left:auto;margin-right:auto}.lesson-paper{max-width:800px;margin:auto;padding:30px 40px;background:#fffdf8;border:1px solid var(--line);border-radius:24px}.lesson-paper h2{font-size:30px;line-height:1.25}.story-scene{display:grid;grid-template-columns:150px 1fr;gap:25px;align-items:center}.scene-portrait{text-align:center}.scene-portrait .avatar{width:150px}.scene-portrait span{font-size:11px;color:var(--muted)}.word-card{padding:25px;text-align:center;background:#f1efe3;border-radius:20px;margin:20px 0}.translation-first{font-size:20px;margin:0 0 10px}.english-word{display:block;font:700 37px Manrope;color:var(--teal);margin-bottom:20px}.dialogue{display:grid;gap:16px;margin-top:25px}.dialogue-line{border-radius:18px;padding:18px 22px;max-width:92%}.dialogue-line>b{font-size:11px;text-transform:uppercase;letter-spacing:1px}.customer{background:#f3eadc;justify-self:start;width:90%;border-bottom-left-radius:3px}.learner{background:#e5eddf;justify-self:end;width:90%;border-bottom-right-radius:3px}.bilingual>span{display:block;font:600 24px Manrope;line-height:1.5;margin-top:9px}.bilingual>p{margin:5px 0;font-size:16px;color:#52695a}.choice small{display:block;font-size:14px;color:#52695a;margin-top:7px;line-height:1.5}.customer-cue{background:#f4f0e8;padding:20px;border-radius:16px}.record-phrase{padding:20px;background:#eaf0e2;border-radius:15px;margin:20px 0}.record-box{margin-top:25px}.celebration-avatar .avatar{width:180px;margin:auto}.celebration{text-align:center}.celebration .primary{margin-left:auto;margin-right:auto}.celebration .guide{text-align:left}.extras{max-width:780px;margin:auto}.audio-dock{position:fixed;bottom:12px;left:50%;transform:translateX(-50%);width:min(720px,95%);z-index:20;background:#173f38;color:white;padding:12px 16px;box-shadow:0 5px 25px #0002;border-radius:18px;display:flex;align-items:center;gap:15px}.audio-dock p{margin:0;font-size:12px;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.audio-dock button{background:#e7efda;color:var(--ink);padding:10px 14px;min-height:42px;font-size:13px}.audio-dock .audio-stop{background:transparent;color:white;border:1px solid #ffffff50}.story-art{width:100%;height:175px;border-radius:16px;background-image:url('assets/story-scenes.png');background-size:300% 200%;margin-bottom:25px}.art0{background-position:0 0}.art1{background-position:50% 0}.art2{background-position:100% 0}.art3{background-position:0 100%}.art4{background-position:50% 100%}.art5{background-position:100% 100%}.phonetic{background:#f5e9d8;border-left:3px solid #b28351;padding:12px 15px;border-radius:6px;margin:15px 0;text-align:left}.phonetic b{font-size:18px;display:block}.phonetic p{font-size:13px;margin:5px 0}.word-tools{display:flex;gap:15px;justify-content:center;flex-wrap:wrap}.bag-card{border:1px solid var(--line);background:#fffdf8;border-radius:18px;padding:20px;margin:16px 0}.bag-card h3{margin:0}.bag-card textarea,.tutor-panel textarea{width:100%;font:inherit;min-height:90px;border:1px solid var(--line);border-radius:12px;padding:12px;background:#fffdf8;resize:vertical}.bag-note{font-size:14px}.bag-actions{display:flex;gap:10px}.secret-card{border:1px solid #bccea3;border-radius:20px;background:#f0f4e5;padding:22px;margin:20px 0}.secret-card table{width:100%;border-collapse:collapse;font-size:14px}.secret-card td{padding:9px;border-bottom:1px solid #dce2cf}.floating-help{max-width:800px;margin:15px auto;display:flex;justify-content:space-between}.tutor-panel{max-width:740px;margin:auto}.chat-log{display:grid;gap:15px;margin:25px 0}.chat-message{padding:17px 20px;border-radius:18px;background:#e7eddc;white-space:pre-wrap;line-height:1.7}.chat-message.student{background:#fffdf8;border:1px solid var(--line);margin-left:25px}.tutor-suggestions{display:flex;gap:8px;flex-wrap:wrap}.tutor-suggestions button{font-size:12px;padding:10px}.subtle{font-size:11px;color:var(--muted)}@media(min-width:741px){.story-art{height:220px;max-width:400px;margin:0 auto 28px}.story-scene+.guide{margin-top:20px}}@media(max-width:740px){.welcome-layout{grid-template-columns:1fr;gap:20px}.venue{height:240px;border-radius:24px;grid-row:1}.venue-caption{bottom:20px;left:20px}.venue-caption b{font-size:24px}.welcome-copy h1,.intro-card h1{font-size:35px}.lead{font-size:18px}.primary{width:100%;min-width:0}.intro-card{padding:0}.chapter{padding:16px}.chapter-heading{gap:10px}.chapter-heading h2{font-size:20px}.chapter-number{width:25px;font-size:25px}.lock-label{font-size:9px}.section-link{flex-wrap:wrap;gap:9px}.section-link small{width:100%;margin-left:28px}.locked-message{margin-left:35px}.lesson-paper{padding:22px 18px;border-radius:18px}.chapter-context h1{font-size:24px}.lesson-paper h2{font-size:26px}.story-scene{grid-template-columns:1fr}.scene-portrait{display:none}.guide{padding:16px;gap:10px}.guide p{font-size:15px}.bilingual>span{font-size:22px}.audio-dock{flex-wrap:wrap;gap:8px}.audio-dock p{flex-basis:100%}.audio-dock button{flex:1}.story-art{height:190px}.english-word{font-size:31px}footer{margin-bottom:40px}}
/* AventarIA brand system, verified against the existing AventarIA site. */
:root{--ink:#222D55;--teal:#303EB0;--paper:#FFFDF9;--line:#d6dbe5;--muted:#59667F;--lime:#eef0fb;--orange:#BF8B6E;--brand-navy:#222D55;--brand-blue:#303EB0;--brand-copper:#A9643E;--client-accent:#9B5939;--client-tint:#f6ece4}
body,button,input,textarea{font-family:'DM Sans','Segoe UI',sans-serif}h1,h2,h3,.english-word,.bilingual>span,.chapter-number,.quote,.venue-caption b{font-family:'DM Sans','Segoe UI',sans-serif}h1,h2,h3{letter-spacing:-.035em}button{border-radius:6px}.primary,.record{background:var(--brand-blue);border:1px solid var(--brand-blue);border-radius:6px;font-weight:600}.quiet{background:#fff;border-color:var(--line);color:var(--brand-blue)}.soft{background:#eef0fb;color:var(--brand-navy)}.eyebrow{color:var(--brand-copper);letter-spacing:.08em}.lesson-paper,.card,.chapter,.intro-card,.bag-card{border-radius:10px}.lesson-paper,.card,.chapter,.bag-card{background:#fff}.guide{background:#f0f2fc;border-radius:10px;border-left:3px solid var(--brand-copper)}.guide-icon{background:var(--brand-copper)}.guide b{color:var(--brand-navy)}.word-card,.customer-cue{background:#f0f2fc;border-radius:10px}.record-phrase,.feedback,.learner{background:#eef1fb;border-radius:10px}.feedback.retry,.customer{background:var(--client-tint)}.phonetic{background:#fbf3ec;border-left-color:var(--brand-copper)}.choice.right{background:#eef1fb;border-color:var(--brand-blue)}.choice.wrong{background:#fbf3ec;border-color:var(--brand-copper)}.choice{border-radius:8px}.choice small,.bilingual>p{color:var(--muted)}.avatar-choice.selected{background:#eef1fb;border-color:var(--brand-blue)}.locked{background:#f1f3f8}.audio-dock{background:var(--brand-navy);border-radius:10px}.audio-dock button{background:#fff;color:var(--brand-blue);border-radius:6px}.secret-card{background:#fff8ef;border-color:#e0c7b7;border-radius:10px}.chat-message{background:#eef1fb;border-radius:10px}.brand-stack{display:flex;align-items:center;gap:22px}.brand-owner img{display:block;width:146px;height:auto;max-width:100%}#brand{font:600 28px 'DM Sans',sans-serif;letter-spacing:-1px;padding-left:20px;border-left:1px solid var(--line);color:var(--brand-navy)}#brand span{font:600 10px 'DM Sans',sans-serif;color:var(--brand-copper);letter-spacing:.08em;margin-top:4px}.client-mark{color:var(--client-accent)}.venue-caption span{color:#fff0de}.story-preview li{border-radius:8px;border:1px solid var(--line);background:#fff}.check input{accent-color:var(--brand-blue)}.note-chip{background:#fff;color:var(--brand-navy)}.progress{background:#e5e8f3}.progress i{background:var(--brand-blue)}.toast,#notice{background:var(--brand-navy)}
/* The generated sheet has a 476px top row, not two equal-height rows.
   Use intrinsic panel proportions and uniform background scaling, excluding gutters. */
.story-art{height:auto;min-height:0;max-width:400px;width:100%;aspect-ratio:510 / 476;background-size:301.176470588% auto;border-radius:10px;margin:0 auto 25px;background-repeat:no-repeat}
.art0{background-position:0 0}.art1{aspect-ratio:508 / 476;background-size:302.362204724% auto;background-position:50% 0}.art2{background-position:100% 0}
.art3{aspect-ratio:510 / 544;background-position:0 100%}.art4{aspect-ratio:508 / 544;background-size:302.362204724% auto;background-position:50% 100%}.art5{aspect-ratio:510 / 544;background-position:100% 100%}
@media(max-width:740px){header{gap:12px;align-items:center;padding:18px}.brand-stack{gap:12px;min-width:0}.brand-owner img{width:116px}#brand{font-size:23px;padding-left:12px}#brand span{font-size:8px;letter-spacing:.05em}#settings{font-size:12px;padding:10px;min-height:40px}.story-art{height:auto;width:100%;max-width:400px}.guide{padding:16px}.venue{border-radius:12px}}
@media(max-width:370px){.brand-owner img{width:94px}#brand{font-size:21px}.brand-stack{gap:8px}#brand{padding-left:8px}}
/* Mobile-first app shell: intrinsic widths, safe areas and a reachable Lia. */
html{width:100%;-webkit-text-size-adjust:100%}body{width:100%;padding-bottom:calc(90px + env(safe-area-inset-bottom));overflow-wrap:anywhere}main,section,article,header,div,button{min-width:0}img,video,canvas,svg{max-width:100%}button,input,textarea{font-size:16px}textarea{max-width:100%}header{padding-top:max(12px,env(safe-area-inset-top))}main{width:100%}.floating-help #askana{display:none}.lia-launch{position:fixed;left:max(16px,env(safe-area-inset-left));bottom:calc(16px + env(safe-area-inset-bottom));z-index:35;border-radius:50%;width:60px;height:60px;padding:8px;display:flex;flex-direction:column;gap:2px;align-items:center;justify-content:center;background:var(--brand-blue);box-shadow:0 4px 20px #222d5533}.lia-launch span{font-size:10px}.lia-sheet{position:fixed;left:12px;bottom:calc(88px + env(safe-area-inset-bottom));width:min(420px,calc(100% - 24px));max-height:calc(100dvh - 120px - env(safe-area-inset-top));z-index:34;display:flex;flex-direction:column;background:var(--paper);border:1px solid var(--line);border-radius:16px;box-shadow:0 12px 60px #222d5533;padding:16px;overflow:auto}.lia-heading{display:flex;justify-content:space-between;align-items:center;gap:12px}.lia-heading small{display:block;font-size:11px;color:var(--brand-copper)}.lia-heading p{font-size:13px;margin:6px 0}.lia-chat{overflow-y:auto;min-height:40px;max-height:40dvh;flex:1}.lia-chat .chat-message{padding:12px;margin:10px 0;font-size:15px;line-height:1.5}.lia-sheet textarea{width:100%;font:inherit;padding:10px;border:1px solid var(--line);border-radius:8px;background:#fff}.lia-sheet label{margin:10px 0 6px}.lia-controls{display:flex;gap:10px;margin-top:8px}.lia-controls button{flex:1;display:flex;align-items:center;justify-content:center;gap:8px}.lia-sheet details,.lia-sheet #lia-status{font-size:12px;margin:8px 0}.lia-sheet details p{line-height:1.5}.audio-dock{left:auto;right:12px;transform:none;width:min(620px,calc(100% - 96px));bottom:calc(12px + env(safe-area-inset-bottom));z-index:30}.audio-dock button{min-height:44px}#notice{bottom:110px;z-index:60}
@media(max-width:740px){header{padding:12px 16px;padding-top:max(12px,env(safe-area-inset-top));border-bottom:1px solid var(--line);background:var(--paper);gap:8px}.brand-owner img{width:100px}#brand{font-size:21px}.brand-stack{gap:10px}#settings{font-size:12px;min-height:44px}main{padding:12px 16px 24px;min-height:calc(100dvh - 180px)}h1,.intro-card h1,.welcome-copy h1{font-size:30px;line-height:1.15}.chapter-context h1{font-size:22px;margin:8px 0 12px}.lesson-top{margin-bottom:10px;gap:8px}.step-label{font-size:11px}.progress{margin-bottom:16px}.lesson-paper{padding:16px;border-radius:12px;width:100%}.lesson-paper h2{font-size:24px;margin:10px 0 14px}.lead{font-size:17px;line-height:1.55}.story-art{width:min(100%,220px);margin:0 auto 16px}.guide{padding:12px;margin:16px 0;gap:10px}.guide-icon{flex-basis:32px;height:32px}.guide p{font-size:14px;line-height:1.5}.primary{width:100%;min-width:0;min-height:50px;font-size:16px;margin:18px 0 10px}.word-card{padding:16px;margin:14px 0}.english-word{font-size:29px}.dialogue-line{padding:14px;max-width:100%;width:96%}.choice{padding:14px;font-size:16px}.choice>div{min-width:0}.chapter-heading{flex-wrap:wrap}.lock-label{white-space:normal}.venue{height:180px}.gallery figure{margin:0}.bag-actions{flex-wrap:wrap}.secret-card{padding:12px}.secret-card td{padding:6px}.audio-dock{padding:8px;gap:4px}.audio-dock button{padding:8px;font-size:12px}.audio-dock p{font-size:10px}footer{display:none}.lia-sheet{padding:14px}.floating-help{margin:8px 0}.phonetic{padding:10px}.phonetic small{font-size:11px}}

.venue{height:auto;border-radius:12px}.venue img{display:block;width:100%;height:auto;aspect-ratio:7/6;object-fit:contain;opacity:1}.venue-caption{position:relative;bottom:auto;left:auto;padding:18px;background:var(--brand-navy)}.venue-caption b{font-size:22px}.venue-caption span{margin-bottom:8px}
@media(max-width:740px){.venue{height:auto}.venue img{max-height:300px;object-fit:cover;object-position:center 35%;aspect-ratio:7/6}.venue-caption{padding:12px 16px}.venue-caption b{font-size:18px}.venue-caption span{font-size:9px}}

/* English examples are visual language tags, not clickable controls. */
.english-tag{display:inline;padding:.12em .38em;background:#e3e8ff;color:#222D55;border:1px solid #c6cfef;border-radius:5px;font-weight:600;line-height:1.9;box-decoration-break:clone;-webkit-box-decoration-break:clone;white-space:normal}.guide p:has(.english-tag),.phonetic p:has(.english-tag){line-height:1.95}.guide .english-tag{background:#fff;border-color:#c6cfef}.bilingual>span[lang=en],.choice b[lang=en]{background:#e3e8ff;color:#222D55;border-radius:6px;padding:6px 9px;box-decoration-break:clone;-webkit-box-decoration-break:clone}.bilingual>span[lang=en]{width:fit-content;max-width:100%}

.lia-take{margin:24px 0 4px;border:1px solid #c6cfef;border-left:3px solid var(--brand-copper);background:#f3f5ff;border-radius:10px;padding:16px}.lia-take summary{list-style-position:outside;margin-left:16px;color:var(--ink);line-height:1.5;min-height:44px}.lia-take-label{display:block;font-size:10px;font-weight:700;letter-spacing:.08em;color:var(--brand-copper)}.lia-take summary strong{display:block;font-size:17px}.lia-take-hint{font-size:12px;color:var(--muted)}.lia-take p{font-size:15px;line-height:1.7}.lia-take .english-tag{background:#fff}.lia-take-variants{padding-top:10px;border-top:1px solid var(--line)}.lia-take-practice{background:#fff;padding:14px;border-radius:8px;margin-top:16px}.lia-take-practice>small{font-size:10px;color:var(--brand-copper);letter-spacing:.07em}.lia-take button{max-width:100%;font-size:14px}@media(max-width:740px){.lia-take{padding:12px}.lia-take summary strong{font-size:16px}.lia-take p{font-size:14px}}