@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;450;500;550;600;650;700&family=Space+Grotesk:wght@400;500;600;700&display=swap');
:root{--ink:#302943;--muted:#807a8a;--purple:#77609f;--deep:#28223c;--paper:#f6f8fa;--line:#e8e4ec;--green:#4d8871;--radius:18px;font-family:'DM Sans',system-ui,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default;opacity:.55}button,a{touch-action:manipulation}button{transition:background .15s,transform .15s,box-shadow .15s}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid #b792db;outline-offset:4px}button:hover:not(:disabled){filter:brightness(.97)}button:active:not(:disabled){transform:translateY(1px)}a{color:inherit}h1,h2,h3,p{margin:0}h1,h2,h3{font-family:'Space 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var(--line);border-radius:17px;padding:25px}.typing-controls{display:flex;align-items:flex-end;gap:18px}.typing-controls label{display:flex;flex-direction:column;gap:7px;font-size:10px;color:#a493af;flex:1}select,input{border:1px solid #e3daea;background:#fff;border-radius:8px;color:#7d668f;padding:11px 13px;width:100%;font-size:12px}select:disabled{opacity:.6}.typing-stats{display:flex;justify-content:center;gap:100px;background:#f7f4fa;border:1px solid #ece5f2;border-radius:12px;margin:25px 0;padding:20px}.typing-stats>div{text-align:center;min-width:68px}.typing-stats strong{font-family:'Space Grotesk';font-size:33px;font-weight:500;color:#9176aa;display:block}.typing-stats small{display:block;font-size:8px;letter-spacing:1.4px;color:#baa8c8;margin-top:7px}.typing-prompt{font-family:Consolas,'Courier New',monospace;font-size:24px;color:#b0a2bb;line-height:1.9;margin:25px 8px;white-space:pre-wrap;overflow-wrap:anywhere;min-height:85px}.typed-right{color:#648c73}.typed-wrong{color:#be715d;background:#fae6df;border-bottom:2px solid #cc8d7c}.cursor-char{border-bottom:2px solid #a28ab7;background:#f1eaf6}.typing-panel textarea{width:100%;min-height:94px;border-radius:10px;border:1px solid #dacee5;background:#fbf9fc;padding:16px;color:#83718f;font-family:Consolas,monospace;font-size:16px;resize:vertical;line-height:1.5}.typing-panel textarea::placeholder{font-family:'DM Sans';font-size:12px;color:#b6a9be}.typing-tip{font-size:10px;color:#b29ebf;display:flex;align-items:center;gap:9px;margin-top:20px}.typing-tip .icon{width:17px;height:17px}.keyboard-panel{background:#fff;padding:25px;border:1px solid var(--line);border-radius:17px;margin-top:22px}.keyboard{max-width:600px;margin:25px auto}.key-row{display:flex;gap:7px;justify-content:center;margin:7px 0}.key{width:44px;height:42px;border:1px solid #e4dce9;border-bottom-width:3px;border-radius:7px;display:flex;align-items:center;justify-content:center;background:#faf8fc;color:#b6a6c2;font-family:monospace;font-size:14px;position:relative}.key.home-key{background:#f1ebf7;border-color:#decee9;color:#a389b5}.key i{position:absolute;bottom:6px;width:9px;height:2px;background:#bda6cf;border-radius:2px}.key.next-key{background:#9c80b5;color:#fff;border-color:#81649b}.key.space-key{width:240px;font-size:10px}.finger-guide{display:flex;justify-content:center;gap:30px;font-size:9px;color:#b09cbc}.finger-guide i{display:inline-block;background:#ded0e9;width:8px;height:8px;border-radius:50%;margin-right:5px}.typing-finish{margin-top:18px;background:#eaf4ee;border:1px solid #c6dfcf;border-radius:10px;padding:20px;color:#6b8b77;font-size:13px}.typing-finish p{margin-top:7px}.typing-finish small{display:block;font-size:10px;margin-top:10px;color:#99b3a2}.dialog-intro{font-size:13px;color:#a18cab;margin-bottom:24px}.form-label{display:flex;flex-direction:column;gap:10px;font-size:12px;color:#90739f;margin-bottom:15px}.form-label input{font-size:15px}form>.subtle{margin-bottom:25px}fieldset{border:1px solid #e5daed;border-radius:10px;padding:19px;margin:20px 0}legend{font-size:12px;color:#9278a2;padding:0 8px}.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:15px;font-size:12px;color:#8c759c}.check-grid label{display:flex;align-items:center;gap:8px}.check-grid input{width:16px;height:16px;accent-color:#9e7db5}.teacher-note{background:#e9edf4;padding:20px;border-radius:11px;color:#6d84a6;font-size:12px;line-height:1.7;margin:22px 0}.teacher-note ol{margin:12px 0;padding-left:20px}.teacher-note p{font-size:11px;color:#8397b4}.toolkit-bottom{border-top:1px solid var(--line);margin-top:25px;padding-top:17px;font-size:10px;color:#b09cbb}.toolkit-bottom .text-button{color:#9b7cac;margin-top:10px}#teacher-error{color:#b57162;font-size:12px;margin-bottom:15px}#toast{position:fixed;bottom:24px;left:calc(50% + 100px);transform:translateX(-50%) translateY(20px);padding:13px 20px;border-radius:10px;background:#3b2c4e;color:#eee6f4;font-size:12px;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;z-index:100;max-width:calc(100vw - 32px);box-shadow:0 5px 20px #25163825}#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}.sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(min-width:1500px){main{padding-top:45px}.hero{min-height:320px}.hero-art .robot{width:260px}.orbit{width:250px;height:250px;left:calc(50% - 125px)}.hero h2{font-size:43px}.track-card{padding-top:21px;padding-bottom:17px}.lang-icon{width:42px;height:42px}.hero p{font-size:14px}.hero-actions{margin-top:25px}}
@media(max-width:1200px){.sidebar{width:210px;padding-left:13px;padding-right:13px}.shell{margin-left:210px}header{padding:0 28px}main{padding:28px}.track-grid{grid-template-columns:repeat(4,1fr)}.track-card{flex-direction:row;flex-wrap:wrap;justify-content:flex-start;gap:9px;padding:11px}.track-card strong{margin:0;font-size:11px}.track-card small{display:none}.track-meter{width:100%;margin:2px 0 0}.stat-row>div{padding:0 15px}.stat-row .stat-note{font-size:9px}.stat-row{grid-template-columns:repeat(3,1fr)}.stat-row .stat-note{display:none}.stat-row>div:nth-child(3){border:0}.decor-keys{display:none}.practice-card{padding:20px 17px;gap:12px}.practice-card h3{font-size:16px}.journey-foot>span{display:none}.skills-grid{grid-template-columns:repeat(2,1fr)}.word-grid{grid-template-columns:repeat(2,1fr)}footer{padding-left:28px;padding-right:28px}.hero h2{font-size:35px}.float-one{left:-18px}.float-two{right:-12px;font-size:9px}.hero{padding:27px}.hero-actions{gap:10px}.hero-actions>span{font-size:9px}.hero .primary{padding:12px 14px}}
@media(max-width:900px){.sidebar{width:76px;padding:25px 12px}.brand{padding:0 7px}.brand>span:last-child,.nav-label,.navitem .nav-dot,.side-bottom{display:none}.brandmark{width:34px;height:34px;flex-shrink:0}.sidebar nav{margin-top:40px}.navitem{font-size:0;justify-content:center;padding:15px 0;margin-bottom:8px}.navitem .icon{width:23px;height:23px}.shell{margin-left:76px}main{padding:24px}.breadcrumb{font-size:10px}.hero-art{min-width:180px;width:39%}.hero-art .robot{width:200px}.orbit{width:170px;height:170px;left:calc(50% - 85px);top:28px}.float-one,.float-two{font-size:8px;padding:7px}.float-one{left:-4px}.float-two{right:-14px}.hero h2{font-size:33px}.hero p{font-size:11px}.hero-actions>span{display:none}.hero-star.star-two{display:none}.practice-grid{grid-template-columns:1fr 1fr}.mini-icon{display:none}.practice-card .eyebrow{font-size:6px}.page-heading h1{font-size:29px}.mode-switch button{padding:8px 10px}.typing-stats{gap:60px}.badge-grid{grid-template-columns:repeat(2,1fr)}#toast{left:calc(50% + 38px)}}
@media(max-width:600px){.sidebar{position:fixed;inset:auto 0 0;width:100%;height:66px;padding:6px 8px;box-shadow:0 -2px 8px #30223d15}.sidebar .brand{display:none}.sidebar nav{margin:0;display:flex;justify-content:space-around;height:100%}.navitem{width:52px;height:49px;padding:0;margin:0}.shell{margin-left:0;padding-bottom:66px}header{height:69px;padding:0 18px}.breadcrumb{font-size:10px}.breadcrumb>strong{display:none}.header-right{gap:10px}.profile{padding:0}.profile>span:last-child{display:none}.xp-chip{font-size:10px;padding:6px 9px}.avatar{width:31px;height:31px}main{padding:24px 18px 18px}.page-heading{align-items:flex-start;flex-wrap:wrap;gap:15px;margin-bottom:20px}.page-heading h1{font-size:29px}.page-heading p{font-size:11px}.eyebrow{font-size:8px}.mode-switch{padding:3px}.mode-switch button{font-size:10px;padding:7px 14px}.hero{padding:23px;min-height:300px}.hero-art{position:absolute;right:-27px;bottom:17px;width:160px;opacity:.65;min-width:0;pointer-events:none}.hero-art .robot{width:170px}.orbit{width:140px;height:140px;left:10px;top:10px}.hero-art .code-float,.art-label{display:none}.hero h2{font-size:32px}.hero p{font-size:11px}.hero-actions{margin-top:25px}.hero-text{max-width:90%}.hero .primary{padding:12px 16px}.hero-star.star-one{font-size:22px}.stat-row{padding:17px 0;margin:16px 0 26px}.stat-row>div{padding:0 12px;gap:6px}.stat-row .icon{width:16px;height:16px}.stat-row strong{font-size:18px}.stat-row strong small{font-size:9px}.stat-row label{font-size:7px;line-height:1.5;max-width:70px}.section-heading h2{font-size:18px}.section-heading p{font-size:10px}.section-heading .subtle{font-size:9px}.track-grid{grid-template-columns:repeat(4,1fr);gap:7px}.track-card{padding:11px 6px;flex-direction:column;gap:0;align-items:center}.track-card strong{font-size:9px;margin-top:8px}.lang-icon{width:30px;height:30px;font-size:13px;border-radius:8px}.track-meter{width:70%;margin-top:10px}.journey{padding:20px 14px;margin-top:18px}.journey .section-heading h2{font-size:16px}.progress-pill{font-size:8px;padding:5px 7px;white-space:nowrap}.journey .eyebrow{font-size:7px;letter-spacing:1px}.mission-path{margin-top:20px;margin-bottom:20px}.node{width:37px;height:37px;font-size:12px;box-shadow:0 0 0 5px #fff}.path-stop:first-child .node{box-shadow:0 0 0 3px #f0e8f6,0 0 0 6px #fff}.mission-path:before{top:18px}.path-stop{padding:0 2px}.path-stop strong{font-size:9px;margin-top:13px;text-align:center;line-height:1.45}.path-stop small{font-size:7px;text-align:center;line-height:1.5}.journey-foot{font-size:8px}.practice-grid{grid-template-columns:1fr;gap:12px;margin-top:18px}.practice-card{padding:22px 18px}.mini-icon{display:flex}.practice-card .eyebrow{font-size:7px}.practice-card h3{font-size:17px}.practice-card p{font-size:11px}.decor-keys{display:block}.text-button{font-size:11px}footer{padding:0 18px 22px;flex-direction:column;gap:5px;font-size:8px}dialog{padding:22px 18px;border-radius:16px;max-height:93vh}.dialog-head h2{font-size:23px}.question-title{font-size:17px}.answers button{font-size:12px}.lesson-note{font-size:12px;padding:13px}.question-footer>span{font-size:9px;max-width:130px}.code-window pre{font-size:11px;padding:15px}.skills-grid{grid-template-columns:1fr;gap:13px}.skill-card{padding:21px}.skill-card p{margin-bottom:19px}.skill-number{margin-bottom:15px}.info-banner{font-size:11px;padding:16px}.reference-grid{grid-template-columns:1fr}.word-grid{gap:10px}.word-card{padding:15px}.word-card h3{font-size:17px}.word-card p{font-size:10px}.word-card small{font-size:9px}.progress-summary{padding:20px 6px}.progress-summary strong{font-size:23px}.progress-summary span{font-size:8px}.badge-grid{gap:10px}.badge-card{padding:20px 13px}.badge-card h3{font-size:15px}.badge-card p{font-size:10px}.progress-track{gap:10px}.progress-track strong{font-size:11px;width:65px}.typing-panel,.keyboard-panel{padding:20px 15px}.typing-controls{flex-wrap:wrap;gap:12px}.typing-controls label{min-width:40%}.typing-controls .primary{width:100%}.typing-stats{gap:18px;justify-content:space-around;padding:17px 5px;margin:20px 0}.typing-stats strong{font-size:28px}.typing-stats small{font-size:7px;letter-spacing:.7px}.typing-prompt{font-size:20px;margin:20px 3px}.typing-tip{font-size:9px;line-height:1.6}.key-row{gap:4px;margin:5px 0}.key{width:28px;height:34px;font-size:12px;border-radius:5px}.key.space-key{width:160px}.keyboard-panel .section-heading{align-items:flex-start;flex-direction:column;gap:6px}.keyboard-panel h2{font-size:18px}.finger-guide{flex-direction:column;align-items:center;gap:10px;font-size:8px}.typing-finish{font-size:12px}.check-grid{font-size:11px}#toast{left:50%;bottom:82px;font-size:11px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{transition:none!important;scroll-behavior:auto!important}}
.header-teacher{display:none}@media(max-width:900px){.header-teacher{display:flex;width:30px;height:30px}.header-teacher .icon{width:15px;height:15px}}
.key.shift-key{width:74px;font-size:10px}@media(max-width:600px){.key{width:24px}.key.shift-key{width:53px}}
@media(max-width:600px){.hero-art{right:-14px;bottom:0;width:130px}.hero-art .robot{width:130px}.hero-art .orbit{width:115px;height:115px;left:5px;top:4px}}