#esp{--bg:light-dark(#f1f5f9,#18232f);--paper:light-dark(#fff,#233244);--ink:light-dark(#183047,#edf4fc);--sub:light-dark(#52667b,#c0cedc);--line:light-dark(#d4dfe9,#4a5d70);--blue:light-dark(#175aa2,#a7d0ff);--soft:light-dark(#e9f2fc,#304963);background:var(--bg);color:var(--ink);font:16px/1.6 system-ui;border-radius:16px;overflow:hidden}#esp *{box-sizing:border-box}#esp header{background:var(--paper);padding:20px 24px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;border-bottom:1px solid var(--line)}#esp .brand{font-size:24px;font-weight:650}#esp .sub{color:var(--sub)}#esp .small{font-size:13px;color:var(--sub)}#esp .shell{display:grid;grid-template-columns:165px 1fr;min-height:560px}#esp nav{background:var(--paper);padding:18px 10px}#esp button{font:inherit;color:var(--ink);background:var(--paper);border:1px solid var(--line);border-radius:9px;padding:10px 15px;min-height:44px}#esp nav button{display:block;width:100%;border:0;text-align:left;margin-bottom:8px}#esp nav button[aria-current=page]{background:var(--soft);color:var(--blue)}#esp .primary{background:var(--blue);color:light-dark(#fff,#13283e);border:0}#esp main{padding:28px;min-width:0}#esp h1{font-size:29px;line-height:1.25;margin:5px 0 14px}#esp h2{font-size:20px;margin:0 0 10px}#esp p{margin:8px 0 16px}#esp .panel{padding:22px;border:1px solid var(--line);border-radius:12px;background:var(--paper);margin:16px 0}#esp .grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}#esp .row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}#esp .sentence{font-size:23px;margin:15px 0}#esp mark{background:var(--soft);color:var(--blue);padding:4px 8px;border-radius:5px}#esp .rule{border-left:3px solid var(--blue);padding-left:13px}#esp .line{border-bottom:1px solid var(--line);padding:13px 0}#esp .feedback{padding:16px;background:var(--soft);border-radius:8px;margin-top:14px}#esp input,#esp select,#esp textarea{font:inherit;padding:10px;border:1px solid var(--line);background:var(--paper);color:var(--ink);border-radius:7px;max-width:100%}#esp textarea{width:100%}#esp footer{padding:14px 24px;border-top:1px solid var(--line);font-size:13px;color:var(--sub)}#esp.phone{max-width:410px;margin:auto}#esp.phone .shell{display:block}#esp.phone nav{display:flex;flex-wrap:wrap;padding:8px}#esp.phone nav button{width:auto;font-size:13px;padding:8px}#esp.phone main{padding:16px}#esp.phone .grid{grid-template-columns:1fr}#esp.phone .panel{padding:16px}@media(max-width:650px){#esp .shell{display:block}#esp nav{display:flex;flex-wrap:wrap}#esp nav button{width:auto;font-size:13px}#esp main{padding:16px}#esp .grid{grid-template-columns:1fr}}#esp button:disabled{opacity:.55}

#esp{--blue:light-dark(#5345bd,#c5baff);--soft:light-dark(#efedff,#393356);--mint:light-dark(#dcf5ed,#234b43);--gold:light-dark(#fff0ca,#554424)}
#esp button{box-shadow:0 3px 0 var(--line);transition:transform .12s,box-shadow .12s}#esp button:active{transform:translateY(2px);box-shadow:0 1px 0 var(--line)}#esp nav button{box-shadow:none}#esp .primary{padding:15px 22px;font-weight:650;box-shadow:0 4px 0 light-dark(#352d80,#77709c)}#esp .hero{background:var(--soft);border-radius:20px;padding:22px;margin-bottom:18px}#esp .journey{display:flex;align-items:center;justify-content:space-between;margin:22px 0;gap:8px}#esp .node{text-align:center;flex:1;position:relative}#esp .node:before{content:'';height:3px;background:var(--line);position:absolute;top:24px;left:0;right:0}#esp .node button{position:relative;min-width:50px;min-height:50px;border-radius:50%;font-weight:650;padding:8px}#esp .node:first-child button{background:var(--blue);color:light-dark(#fff,#17253b)}#esp .node span{display:block;font-size:12px;margin-top:8px;color:var(--sub)}#esp .rounds{display:flex;gap:7px;margin:16px 0}#esp .dot{height:9px;flex:1;background:var(--line);border-radius:10px}#esp .dot.on{background:var(--blue)}#esp .context-art{background:var(--mint);padding:22px;border-radius:18px;margin:15px 0;text-align:center}#esp .context-art i{width:46px;height:46px;color:var(--ink)}#esp .context-art .scene{display:flex;justify-content:center;gap:18px;align-items:center;margin-bottom:10px}#esp .choices{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:22px 0}#esp .choices button{min-height:76px;font-size:21px;font-weight:600}#esp .token-bank,#esp .built{display:flex;gap:9px;flex-wrap:wrap;padding:15px 0}#esp .built{min-height:88px;padding:15px;background:var(--soft);border-radius:13px;margin:15px 0;align-content:center}#esp .built button{background:var(--paper)}#esp .token-bank button{padding:12px 16px;font-size:18px}#esp .reward{background:var(--gold);padding:16px;border-radius:12px;margin:15px 0}#esp .coach{display:flex;gap:12px;align-items:flex-start}#esp .coach i{flex-shrink:0;width:27px;height:27px}#esp .timeline{display:flex;align-items:center;gap:6px;margin:18px 0}#esp .timeline span{height:12px;width:12px;border-radius:50%;background:var(--blue)}#esp .timeline hr{flex:1;border:0;height:2px;background:var(--line)}#esp .timeline .now{width:24px;height:24px;border:5px solid var(--soft)}#esp .phone main{padding:18px}#esp .phone .panel{border-radius:18px}#esp .phone nav{justify-content:space-around}#esp .phone nav button{font-size:12px;display:flex;flex-direction:column;align-items:center;gap:4px;width:30%;margin:0;padding:9px 3px}#esp .phone nav button i{width:19px;height:19px}#esp .sentence{line-height:1.8}#esp .panel{margin:14px 0}#esp .answer-context{display:block;font-size:13px;font-weight:400;color:var(--sub)}@media(prefers-reduced-motion:reduce){#esp button{transition:none}}
#esp .success{background:light-dark(#e0f5e8,#193f2b);color:light-dark(#155b30,#b5f0cb);border:2px solid light-dark(#26814b,#66cc8b);padding:16px;border-radius:12px;margin-top:14px}#esp .error{background:light-dark(#ffebeb,#4b2428);color:light-dark(#94242b,#ffc8cc);border:2px solid light-dark(#cc4651,#ed8992);padding:16px;border-radius:12px;margin-top:14px}#esp button.correct-choice{background:light-dark(#e0f5e8,#193f2b);color:light-dark(#155b30,#b5f0cb);border:2px solid light-dark(#26814b,#66cc8b);opacity:1}#esp button.wrong-choice{background:light-dark(#ffebeb,#4b2428);color:light-dark(#94242b,#ffc8cc);border:2px solid light-dark(#cc4651,#ed8992);opacity:1}
#esp header{padding:12px 16px;align-items:center}#esp .brand{font-size:21px}#esp header>div:last-child{display:flex;gap:8px;align-items:center}#esp header button{padding:6px 10px;min-height:44px;box-shadow:none}#esp .demo-label{font-size:11px;color:var(--sub)}#esp .shell{min-height:0;grid-template-columns:78px 1fr}#esp main,#esp.phone main{padding:16px}#esp h1{font-size:23px;margin:0 0 10px}#esp h2{font-size:19px;margin:0 0 6px}#esp p{margin:7px 0 12px}#esp .panel,#esp.phone .panel{padding:16px;margin:10px 0;border-radius:14px}#esp nav{padding:8px 4px}#esp nav button{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;padding:9px 4px;font-size:11px;min-height:53px}#esp .phone .shell{display:flex;flex-direction:column}#esp .phone nav{order:2;display:flex;flex-wrap:nowrap;padding:7px 4px;border-top:1px solid var(--line)}#esp .phone nav button{width:16.666%;min-width:0;font-size:10px;margin:0;gap:3px}#esp nav button i,#esp nav button svg{width:21px;height:21px}#esp .phone main{order:1}#esp .home-top{justify-content:space-between;gap:4px}#esp .home-top h1{margin:0}#esp .journey{margin:15px 0;gap:4px}#esp .node button{min-height:44px;min-width:44px}#esp .node:before{top:22px}#esp .node span{font-size:11px;margin-top:5px}#esp .mission-art{display:flex;align-items:center;justify-content:center;gap:24px;background:var(--soft);padding:18px;border-radius:10px;margin-bottom:13px}#esp .mission-art svg,#esp .mission-art i{width:33px;height:33px;color:var(--blue)}#esp .primary{padding:11px 19px;display:inline-flex;align-items:center;justify-content:center;gap:7px}#esp .schedule-strip{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:13px;padding:8px 0}#esp .schedule-strip button{padding:8px 10px;font-size:12px;display:flex;gap:5px;align-items:center;box-shadow:none}#esp .mini-symbol{display:flex;align-items:center;gap:9px;color:var(--blue);font-weight:600;margin-bottom:7px}#esp .mini-symbol i,#esp .mini-symbol svg{width:25px;height:25px}#esp .sentence{font-size:21px;margin:8px 0 12px}#esp .choices{gap:10px;margin:14px 0}#esp .choices button{min-height:60px;font-size:20px}#esp .context-art{padding:14px;margin:10px 0}#esp .scene{margin:0!important}#esp .rounds{margin:10px 0 16px}#esp .grid{gap:0}#esp .built{min-height:70px;margin:10px 0;padding:10px}#esp .token-bank{padding:8px 0 14px}#esp .token-bank button,#esp .built button{min-height:46px;font-size:17px;padding:9px 12px}#esp footer{padding:8px 16px;font-size:11px}#esp details summary{display:flex;gap:7px;align-items:center;min-height:36px;color:var(--sub);font-size:13px;list-style:none}#esp details summary svg{width:17px;height:17px}#esp details[open] summary{margin-bottom:9px}#esp .success,#esp .error{padding:12px;margin-top:10px}#esp .success p,#esp .error p{font-size:14px}#esp .small{font-size:12px}
@media(max-width:650px){#esp .shell{display:flex;flex-direction:column}#esp nav{order:2;display:flex;flex-wrap:nowrap;border-top:1px solid var(--line)}#esp nav button{width:16.666%;font-size:10px}#esp main{order:1}}

#esp{min-height:100dvh;border-radius:0;max-width:960px;margin:auto}#esp .shell{min-height:calc(100dvh - 90px)}#esp main{max-width:780px;width:100%;margin:auto}#esp nav button{cursor:pointer}#esp .notice{padding:10px;border-radius:9px;background:var(--soft);margin:10px 0}#esp .list{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:10px}#esp .lesson-tile{text-align:left;padding:14px;display:flex;gap:10px;align-items:center}#esp .lesson-tile small{display:block;color:var(--sub)}#esp .full{width:100%}#esp .screen-tools{display:flex;gap:8px;align-items:center}#esp .screen-tools button{padding:8px}#esp .bubble{padding:12px;background:var(--soft);border-radius:12px;white-space:pre-wrap;margin:10px 0}#esp .note-body{white-space:pre-wrap;overflow-wrap:anywhere;font-size:14px}#esp audio{width:100%;margin:8px 0}#esp .schedule-row{display:flex;justify-content:space-between;gap:12px;align-items:center;padding:12px 0;border-bottom:1px solid var(--line)}#esp .screen-title{display:flex;justify-content:space-between;align-items:center;gap:10px}#esp .lesson-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}#esp .lesson-grid .panel{margin:0}#esp .pattern{font-size:17px}#esp .error{white-space:pre-wrap}#esp button{cursor:pointer}#esp button:disabled{cursor:default}#esp .lesson-tile svg{flex-shrink:0}#esp .shell nav{position:sticky;top:0;align-self:start}#esp button:focus-visible,#esp a:focus-visible{outline:3px solid var(--blue);outline-offset:3px}#esp .empty{padding:20px 0;color:var(--sub)}#esp .success{border-color:light-dark(#26814b,#66cc8b)}#esp .month-time{font-size:13px}#esp .fact{padding:8px 0;border-bottom:1px solid var(--line)}#esp .badge{background:var(--mint);border-radius:6px;padding:2px 7px;font-size:12px}#esp .token-bank button.used{visibility:hidden}body{margin:0;background:light-dark(#f1f5f9,#18232f);color-scheme:light dark}button,input,select,textarea{font:inherit}@media(max-width:650px){#esp .shell{min-height:0}#esp .shell nav{position:sticky;bottom:0;top:auto;align-self:stretch}#esp main{min-height:calc(100dvh - 145px)}#esp .shell nav button{width:20%}#esp .lesson-grid{grid-template-columns:1fr}#esp .list{grid-template-columns:1fr 1fr}#esp h1{font-size:22px}#esp .lesson-tile{padding:10px;font-size:14px}#esp .screen-title{align-items:flex-start}}
#esp main{margin:0 auto;align-self:start}