:root{--bg:#f8f7f2;--surface:#fffefa;--text:#243b32;--muted:#6e786f;--line:#dedfd6;--soft:#eef0e7;--green:#285b43;--green-hover:#1e4935;--green-light:#e4eee4;--danger:#a44f35;--danger-bg:#faf0e8;--editor-bg:#fffefa;--editor-text:#26382f;--editor-active:#f0f2e9;--selection:#d8e5d6;--shadow:0 16px 50px #20382c0a;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}:root[data-theme=dark]{--bg:#151f1a;--surface:#1b2821;--text:#e9eee4;--muted:#adb8aa;--line:#35473a;--soft:#24352a;--green:#9dcca5;--green-hover:#b3dcb9;--green-light:#293f30;--danger:#efb396;--danger-bg:#3a2a23;--editor-bg:#18231d;--editor-text:#e1eadd;--editor-active:#25342a;--selection:#3e5c46;--shadow:0 16px 50px #0002;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;margin:0;font:15px/1.6 Arial,Helvetica,sans-serif}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer;color:inherit}button:disabled{cursor:default;opacity:.65}button:focus-visible,a:focus-visible{outline-offset:4px;outline:3px solid #8eab67}h1,h2,h3,p{margin:0}h1,h2,h3{line-height:1.15}h1,h2{font-family:Georgia,Times New Roman,serif;font-weight:400}h3{font-size:17px}p{color:var(--muted)}code,pre{font-family:Consolas,SFMono-Regular,monospace}code{background:var(--soft);color:var(--text);border-radius:4px;padding:2px 5px;font-size:.88em}pre{white-space:pre-wrap;overflow-wrap:anywhere}button{background:0 0;border:0}.page-width{max-width:1240px;margin:auto;padding-left:42px;padding-right:42px}.site-header{border-bottom:1px solid var(--line);align-items:center;gap:40px;max-width:1360px;height:88px;margin:auto;padding:0 48px;display:flex}.brand{letter-spacing:-1px;align-items:center;font-size:28px;font-weight:700;line-height:1;display:flex}.brand-icon{background:var(--green);color:var(--bg);letter-spacing:-3px;border-radius:8px;place-items:center;width:35px;height:35px;margin-right:10px;padding-right:4px;font-family:Consolas,monospace;font-size:20px;display:grid}.brand-dot{color:var(--green)}.site-header nav{gap:30px;margin-left:auto;font-size:13px;display:flex}.site-header nav a{color:var(--muted);padding:10px 0}.site-header nav a:hover,.site-header nav a[aria-current=page]{color:var(--text)}.header-actions{align-items:center;gap:20px;display:flex}.preview-badge{letter-spacing:.5px;border:1px solid var(--line);color:var(--muted);border-radius:20px;padding:4px 10px;font-size:10px}.theme-button{border:1px solid var(--line);border-radius:50%;width:36px;height:36px;font-size:22px;line-height:1}.skip-link{background:var(--surface);z-index:99;padding:10px;position:absolute;top:-100px;left:15px}.skip-link:focus{top:10px}.eyebrow{letter-spacing:1.8px;color:var(--green);align-items:center;gap:9px;font-size:10px;font-weight:700;display:flex}.tiny-dot{background:var(--green);border-radius:50%;width:6px;height:6px;display:inline-block}.hero{grid-template-columns:1.1fr 1fr;align-items:center;gap:55px;padding-top:78px;padding-bottom:80px;display:grid}.hero h1{letter-spacing:-2.3px;margin-top:24px;font-size:60px;line-height:1.07}.hero h1 em{color:var(--green);font-style:normal}.hero-description{max-width:430px;margin-top:25px;font-size:15px;line-height:1.85}.hero-actions{align-items:center;gap:22px;margin-top:31px;display:flex}.button{border-radius:6px;justify-content:center;align-items:center;gap:13px;min-height:46px;padding:11px 20px;font-size:12px;font-weight:600;line-height:1.3;transition:background .15s;display:inline-flex}.button.primary{background:var(--green);color:var(--bg)}.button.primary:hover{background:var(--green-hover)}.button.secondary{background:var(--soft);color:var(--text)}.text-link{white-space:nowrap;font-size:12px;font-weight:600}.text-link:hover{text-underline-offset:5px;text-decoration:underline}.small-note{align-items:center;gap:9px;margin-top:19px;font-size:10px;display:flex}.small-note>span{color:var(--green)}.small-note>span:nth-child(2){margin-left:10px}.hero-visual{padding-top:34px;padding-bottom:45px;position:relative}.visual-label{letter-spacing:1.6px;color:var(--muted);align-items:center;gap:8px;font-size:8px;display:flex;position:absolute;top:0;right:5px}.sample-editor{background:#20352c;border:1px solid #3c5145;border-radius:12px;overflow:hidden;transform:rotate(-2deg);box-shadow:0 25px 45px #1a382a20}.sample-toolbar{color:#b9c4b6;background:#293e32;border-bottom:1px solid #3c5145;justify-content:space-between;align-items:center;height:44px;padding:0 17px;font:10px Consolas,monospace;display:flex}.window-dots{gap:5px;display:flex}.window-dots i{background:#83967e;border-radius:50%;width:6px;height:6px}.window-dots i:first-child{background:#c89b7c}.window-dots i:nth-child(2){background:#c7bd80}.sample-code{color:#d7e5cf;white-space:nowrap;padding:27px 10px 20px;font:11px/2.5 Consolas,monospace;overflow:hidden}.line-number{color:#84927f;text-align:right;width:27px;margin-right:17px;display:inline-block}.code-comment{color:#93a18d}.code-var{color:#c5d8ba}.code-string{color:#d7c994}.code-fn{color:#a8d3c8}.fake-cursor{vertical-align:middle;background:#d7e5cf;width:1px;height:13px;display:inline-block}.sample-output{border-top:1px solid #3c5145;margin:0 22px;padding:15px 0 24px}.sample-output>span{letter-spacing:1.5px;color:#93a18d;font-size:8px}.sample-output p{color:#c9d6c0;margin-top:4px;font:11px/2.5 Consolas,monospace}.success-note{background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:9px;align-items:center;gap:13px;width:255px;padding:15px 18px;display:flex;position:absolute;bottom:13px;left:-25px;transform:rotate(2deg)}.success-icon{color:var(--green);background:var(--green-light);border-radius:50%;place-items:center;width:32px;height:32px;display:grid}.success-note strong,.success-note span:not(.success-icon):not(.mini-spark){font-size:11px;display:block}.success-note div span{color:var(--muted);margin-top:1px}.mini-spark{color:var(--green);margin-left:auto;font-size:26px}.visual-caption{text-align:right;color:var(--muted);margin-top:24px;font:italic 13px Georgia,serif}.stats-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--soft)}.stats-strip>.page-width{grid-template-columns:repeat(4,1fr);padding-top:24px;padding-bottom:24px;display:grid}.stats-strip p{border-right:1px solid var(--line);justify-content:center;align-items:center;gap:13px;font-size:10px;display:flex}.stats-strip p:first-child{justify-content:start}.stats-strip p:last-child{border:0;justify-content:end}.stats-strip strong{color:var(--text);font:29px Georgia,serif}.section{padding-top:65px;padding-bottom:65px}.section-heading{justify-content:space-between;align-items:end;margin-bottom:28px;display:flex}.section-heading h2{letter-spacing:-.7px;margin-top:12px;font-size:33px}.language-grid{grid-template-columns:repeat(5,1fr);gap:13px;display:grid}.language-card{background:var(--surface);border:1px solid var(--line);border-radius:9px;flex-direction:column;min-width:0;padding:22px 19px 18px;transition:transform .15s,box-shadow .15s;display:flex}.language-card:hover{box-shadow:var(--shadow);transform:translateY(-4px)}.language-top{justify-content:space-between;align-items:center;margin-bottom:25px;display:flex}.language-symbol{background:var(--soft);width:40px;height:40px;color:var(--accent);border-radius:9px;place-items:center;font:700 17px Consolas,monospace;display:grid}[data-theme=dark] .language-symbol{color:var(--text)}.arrow{color:var(--muted);font-size:17px}.language-card h3{letter-spacing:-.3px;margin-bottom:11px;font-size:20px;font-weight:600}.language-card p{min-height:40px;font-size:11px;line-height:1.8}.card-foot{border-top:1px solid var(--line);color:var(--text);flex-direction:column;gap:3px;margin-top:22px;padding-top:12px;font-size:9px;display:flex}.version{color:var(--muted);font-size:8px}.learning-section{grid-template-columns:1fr 1fr;gap:100px;padding-top:10px;padding-bottom:80px;display:grid}.learning-section h2{letter-spacing:-.6px;margin-top:17px;font-size:39px;line-height:1.15}.learning-section>div>p{max-width:340px;margin-top:20px;font-size:13px;line-height:1.9}.learning-steps{flex-direction:column;padding-top:0;display:flex}.learning-step{border-bottom:1px solid var(--line);gap:24px;padding:23px 0;display:flex}.learning-step:first-child{padding-top:0}.learning-step>span{color:#9aa88c;font:italic 22px Georgia,serif}.learning-step h3{font-size:14px;font-weight:600}.learning-step p{margin-top:8px;font-size:12px}.site-footer{border-top:1px solid var(--line);color:var(--muted);justify-content:space-between;align-items:center;gap:25px;padding:25px 48px;font-size:10px;display:flex}.footer-brand{letter-spacing:-.7px;color:var(--text);font-size:19px;font-weight:700}.catalog-page,.track-page,.profile-page{min-height:calc(100vh - 170px);padding-top:55px;padding-bottom:80px}.catalog-page h1,.track-page h1,.profile-page h1{letter-spacing:-1.6px;margin-top:20px;font-size:49px}.page-intro{margin-top:18px;font-size:15px;line-height:1.9}.catalog-heading{justify-content:space-between;align-items:center;margin:47px 0 23px;display:flex}.catalog-heading h2{font:600 16px Arial,sans-serif}.pill{border:1px solid var(--line);color:var(--muted);white-space:nowrap;border-radius:20px;padding:4px 12px;font-size:10px}.catalog-grid{grid-template-columns:repeat(3,1fr);gap:18px;display:grid}.catalog-grid .language-card{padding:28px}.catalog-grid .language-card p{min-height:0;font-size:13px}.catalog-grid .card-foot{flex-direction:row;justify-content:space-between;font-size:10px}.catalog-grid .version{font-size:10px}.catalog-grid .language-top{margin-bottom:20px}.help-card{background:var(--green-light);border:1px solid var(--line);border-radius:9px;align-items:center;gap:20px;margin-top:35px;padding:25px 28px;display:flex}.help-icon{border:1px solid var(--green);border-radius:50%;flex-shrink:0;place-items:center;width:35px;height:35px;font:italic 24px Georgia,serif;display:grid}.help-card h3{margin-bottom:6px;font-size:14px}.help-card p{font-size:12px}.help-card>a{margin-left:auto}.back-link{color:var(--muted);font-size:12px}.track-header{align-items:center;gap:25px;margin:40px 0;display:flex}.track-header h1{margin-top:13px;font-size:44px}.track-header .page-intro{margin-top:12px;font-size:13px}.language-symbol.large{width:74px;height:74px;font-size:28px}.track-layout{grid-template-columns:1.8fr 1fr;align-items:start;gap:35px;display:grid}.module-list{border:1px solid var(--line);background:var(--surface);border-radius:9px;overflow:hidden}.module-heading{background:var(--soft);align-items:center;gap:16px;padding:28px;display:flex}.module-heading h2{font:600 17px Arial,sans-serif}.module-heading p{margin-top:7px;font-size:11px}.module-number{color:var(--green);font:25px Georgia,serif}.module-heading .pill{margin-left:auto}.lesson-row{border-top:1px solid var(--line);align-items:center;gap:20px;padding:24px 28px;display:flex}.lesson-row:hover{background:var(--soft)}.lesson-index{color:var(--muted);font:15px Consolas,monospace}.lesson-row h3{font-size:14px}.lesson-row p{margin-top:7px;font-size:11px}.lesson-row>span:nth-last-child(2){white-space:nowrap;color:var(--muted);margin-left:auto;font-size:10px}.track-aside{background:var(--green-light);border-radius:9px;padding:30px}.track-aside h2{margin-top:17px;font-size:28px;line-height:1.3}.track-aside ul{color:var(--muted);margin:20px 0 25px;padding-left:17px;font-size:12px;line-height:2}.track-aside .small-note{font-size:9px}.lesson-page{background:var(--surface)}.lesson-breadcrumb{border-bottom:1px solid var(--line);align-items:center;gap:17px;height:58px;padding:0 30px;font-size:11px;display:flex}.lesson-breadcrumb>span{color:var(--muted)}.lesson-counter{color:var(--muted);align-items:center;gap:18px;margin-left:auto;display:flex}.small-progress{background:var(--soft);border-radius:10px;width:100px;height:4px;overflow:hidden}.small-progress i{background:var(--green);height:100%;display:block}.workspace{grid-template-columns:minmax(280px,30%) minmax(330px,42%) minmax(260px,28%);height:calc(100vh - 146px);min-height:680px;display:grid}.instruction-pane{border-right:1px solid var(--line);padding:28px 28px 40px;overflow-y:auto}.lesson-eyebrow{color:var(--muted);letter-spacing:.7px;justify-content:space-between;font-size:9px;display:flex}.instruction-pane h1{letter-spacing:-.8px;margin:20px 0;font-size:31px;line-height:1.15}.goals{border-left:2px solid var(--green);margin-bottom:25px;padding-left:13px}.goals strong{font-size:10px}.goals ul{color:var(--muted);margin:5px 0 0;padding:0;font-size:11px;line-height:1.8;list-style:none}.goals li:before{content:"·";margin-right:8px}.lesson-prose{font-size:12px;line-height:1.9}.lesson-prose p+p{margin-top:13px}.assignment-label{letter-spacing:1.5px;border-bottom:1px solid var(--line);justify-content:space-between;margin-top:29px;padding-bottom:13px;font-size:9px;font-weight:700;display:flex}.assignment-label>span{letter-spacing:0;color:var(--muted)}.checkpoint{border-bottom:1px solid var(--line);padding:20px 0}.checkpoint-heading{align-items:center;gap:10px;display:flex}.step-number{border:1px solid var(--line);border-radius:50%;flex-shrink:0;place-items:center;width:22px;height:22px;font-size:10px;display:grid}.checkpoint.completed .step-number{background:var(--green);color:var(--bg);border-color:var(--green)}.checkpoint h2{font:600 12px Arial,sans-serif}.checkpoint>p{margin:10px 0 0 32px;font-size:12px;line-height:1.9}.hint-button{color:var(--green);min-height:24px;margin:11px 0 0 32px;padding:0;font-size:10px}.hint-box{background:var(--soft);border-radius:5px;margin:13px 0 0 32px;padding:12px}.hint-box p{font-size:11px}.hint-box p+p{margin-top:8px}.solution-link{color:var(--muted);text-underline-offset:3px;margin:18px 0 26px;font-size:10px;text-decoration:underline;display:block}.lesson-navigation{border-top:1px solid var(--line);color:var(--muted);flex-direction:column;gap:9px;padding-top:16px;font-size:10px;display:flex}.lesson-navigation [aria-current=page]{color:var(--green);font-weight:600}.editor-pane{border-right:1px solid var(--line);background:var(--editor-bg);flex-direction:column;min-width:0;display:flex}.pane-toolbar{border-bottom:1px solid var(--line);background:var(--surface);justify-content:space-between;align-items:center;gap:12px;height:49px;min-height:49px;padding:0 18px;font-size:10px;display:flex}.pane-toolbar button{color:var(--muted);padding:9px 5px;font-size:9px}.pane-toolbar button:hover{color:var(--text)}.file-tab{color:var(--text);font-family:Consolas,monospace}.file-tab>span{color:var(--green);margin-right:7px}.code-editor{flex:1;min-height:200px;overflow:auto}.editor-footer{border-top:1px solid var(--line);justify-content:space-between;align-items:center;gap:10px;padding:15px;font-size:9px;display:flex}.editor-footer>span .muted{max-width:140px;margin-top:3px;display:block}.muted{color:var(--muted)}.run-button{white-space:nowrap;min-height:39px;padding:10px 13px;font-size:10px}.spinner{border:2px solid;border-right-color:#0000;border-radius:50%;flex-shrink:0;width:13px;height:13px;animation:.8s linear infinite spin;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}.result-pane{background:var(--bg);min-width:0;overflow:auto}.runtime-label{color:var(--muted);font-size:9px}.console-output{border-bottom:1px solid var(--line);background:var(--surface);height:240px;padding:26px 24px;position:relative;overflow:auto}.console-prompt{color:var(--green);font:18px Consolas,monospace;position:absolute;top:23px;left:17px}.console-output pre{color:var(--text);margin:0 0 0 11px;font-size:11px;line-height:1.9}.console-error{color:var(--danger);display:block}.empty-output{text-align:center;padding-top:22px}.terminal-icon{color:var(--green);border:1px solid var(--line);background:var(--soft);border-radius:7px;place-items:center;width:48px;height:43px;font:24px Consolas,monospace;display:inline-grid}.empty-output h3{margin-top:17px;font-size:12px;font-weight:400}.empty-output p{margin-top:9px;font-size:10px;line-height:1.8}.feedback-area{padding:27px 23px}.feedback-intro .eyebrow{font-size:8px}.feedback-intro h3{margin-top:15px;font:24px Georgia,serif}.feedback-intro p{margin-top:13px;font-size:11px;line-height:1.9}.waiting-steps{border-top:1px solid var(--line);color:var(--muted);flex-direction:column;gap:15px;margin-top:28px;padding-top:25px;font-size:10px;display:flex}.waiting-steps>span{align-items:center;gap:12px;display:flex}.waiting-steps i{border:1px dashed var(--line);border-radius:50%;place-items:center;width:20px;height:20px;font-size:9px;font-style:normal;display:grid}.feedback-heading{align-items:center;gap:11px;display:flex}.feedback-heading h2{font:24px Georgia,serif}.feedback-heading p{margin-top:5px;font-size:10px;line-height:1.6}.feedback-icon{background:var(--danger-bg);width:32px;height:32px;color:var(--danger);border-radius:50%;flex-shrink:0;place-items:center;display:grid}.is-good .feedback-icon{background:var(--green-light);color:var(--green)}.test-result{border-bottom:1px solid var(--line);gap:12px;padding:18px 0;font-size:12px;display:flex}.test-result>span{color:var(--danger)}.test-result.good>span{color:var(--green)}.test-result strong{font-size:10px}.test-result p{margin-top:5px;font-size:11px;line-height:1.8}.execution-error{background:var(--danger-bg);color:var(--danger);border-radius:6px;max-height:180px;padding:12px;font-size:10px;line-height:1.7;overflow:auto}.lesson-success{margin-top:20px}.lesson-success p{font-size:10px;line-height:1.8}.lesson-success .button{width:100%;margin-top:17px;font-size:11px}.feedback-pending{color:var(--muted);align-items:center;gap:12px;font-size:12px;display:flex}.mobile-tabs,.mobile-run{display:none}.solution-dialog{color:var(--text);background:var(--surface);border:1px solid var(--line);width:calc(100% - 32px);max-width:520px;box-shadow:var(--shadow);border-radius:12px;padding:35px}.solution-dialog::backdrop{background:#152b22a0}.solution-dialog h2{margin-top:15px;font-size:32px}.solution-dialog p{margin-top:18px;font-size:13px;line-height:1.8}.solution-dialog>div:last-child{gap:12px;margin-top:28px;display:flex}.result-dot{background:var(--danger);border-radius:50%;width:5px;height:5px;margin-left:5px;display:inline-block}.result-dot.good{background:var(--green)}.progress-stats{grid-template-columns:repeat(3,1fr);gap:20px;margin:40px 0;display:grid}.progress-stats>div{background:var(--surface);border:1px solid var(--line);border-radius:8px;flex-direction:column;padding:25px;display:flex}.progress-stats strong{font:38px Georgia,serif}.progress-stats span{color:var(--muted);margin-top:10px;font-size:11px}.empty-progress{text-align:center;padding:45px 0 70px}.empty-progress h2{margin-top:20px;font-size:30px}.empty-progress p{margin:16px 0 24px;font-size:13px}.completed-list{grid-template-columns:repeat(2,1fr);gap:15px;display:grid}.completed-list>a{border:1px solid var(--line);background:var(--surface);border-radius:8px;align-items:center;gap:20px;padding:25px;display:flex}.completed-list h3{margin-top:5px;font-size:14px}.completed-list small{color:var(--muted);font-size:10px}.completed-list>a>span:first-child{color:var(--green)}.completed-list>a>span:last-child{color:var(--muted);margin-left:auto;font-size:10px}@media (min-width:1500px){.workspace{grid-template-columns:minmax(360px,29%) minmax(460px,43%) minmax(330px,28%)}.instruction-pane{padding:35px 38px 40px}.lesson-prose,.checkpoint>p{font-size:13px}.feedback-area{padding:30px}.console-output{height:270px}.sample-code{font-size:12px}}@media (max-width:1100px){.hero{gap:35px;padding-top:60px;padding-bottom:60px}.hero h1{font-size:49px}.hero-actions{flex-direction:column;align-items:start;gap:15px}.language-grid{grid-template-columns:repeat(3,1fr)}.learning-section{gap:50px}.workspace{grid-template-columns:29% 42% 29%;min-height:700px}.instruction-pane{padding:24px 18px}.instruction-pane h1{font-size:28px}.feedback-area{padding:23px 16px}.feedback-heading h2{font-size:21px}.editor-footer>span{display:none}.editor-footer{justify-content:flex-end}.sample-code{font-size:10px}.track-layout{gap:20px}.module-heading{padding:22px}.module-heading .pill{display:none}.track-aside{padding:25px}}@media (max-width:800px){.site-header{gap:20px;height:72px;padding:0 22px}.brand{font-size:24px}.brand-icon{width:30px;height:30px;font-size:17px}.site-header nav{gap:17px;font-size:11px}.header-actions{gap:0}.preview-badge{display:none}.page-width{padding-left:25px;padding-right:25px}.hero{grid-template-columns:1fr;gap:35px;padding-top:45px;padding-bottom:45px}.hero h1{font-size:55px}.hero-description{max-width:460px}.hero-actions{flex-direction:row;align-items:center}.hero-visual{width:100%;max-width:470px;margin:0 auto}.hero .small-note{margin-top:20px}.success-note{left:0}.stats-strip>.page-width{grid-template-columns:repeat(2,1fr);gap:18px;padding-top:20px;padding-bottom:20px}.stats-strip p,.stats-strip p:first-child,.stats-strip p:last-child{border:0;justify-content:start;gap:10px}.stats-strip p{font-size:10px}.stats-strip strong{width:35px;font-size:26px}.section{padding-top:45px;padding-bottom:45px}.section-heading h2{max-width:300px;font-size:29px}.language-grid{grid-template-columns:repeat(2,1fr);gap:13px}.language-card:last-child{grid-column:auto}.learning-section{grid-template-columns:1fr;gap:30px;padding-bottom:50px}.learning-section h2{font-size:35px}.learning-steps{max-width:520px}.site-footer{flex-wrap:wrap;gap:12px;padding:23px 25px;font-size:9px}.site-footer>span:nth-child(3){display:none}.catalog-grid{grid-template-columns:repeat(2,1fr)}.catalog-page h1,.profile-page h1{font-size:40px}.catalog-heading{margin-top:35px}.help-card{flex-wrap:wrap;gap:15px;padding:22px}.help-card>div{flex:1}.help-card>a{margin-left:50px}.track-header h1{font-size:36px}.track-header .large{flex-shrink:0;width:60px;height:60px;font-size:23px}.track-layout{grid-template-columns:1fr}.track-aside{display:none}.lesson-breadcrumb{gap:12px;height:51px;padding:0 20px;font-size:10px}.lesson-breadcrumb>span:nth-child(3){text-overflow:ellipsis;white-space:nowrap;max-width:150px;overflow:hidden}.small-progress{display:none}.lesson-counter{font-size:9px}.mobile-tabs{border-bottom:1px solid var(--line);background:var(--surface);z-index:5;height:49px;display:flex;position:sticky;top:0}.mobile-tabs button{border-bottom:2px solid #0000;flex:1;padding:12px;font-size:12px}.mobile-tabs button[aria-selected=true]{border-color:var(--green);color:var(--green);background:var(--soft);font-weight:600}.workspace{height:auto;min-height:calc(100vh - 240px);padding-bottom:75px;display:block}.workspace>section{border-right:0;display:none}.workspace[data-tab=uitleg] .instruction-pane{display:block}.workspace[data-tab=code] .editor-pane{display:flex}.workspace[data-tab=resultaat] .result-pane{display:block}.instruction-pane{max-width:650px;margin:auto;padding:27px 25px 35px}.instruction-pane h1{margin-top:20px;font-size:34px}.lesson-eyebrow{font-size:10px}.goals strong,.goals ul{font-size:12px}.lesson-prose,.checkpoint>p,.checkpoint h2{font-size:13px}.hint-button,.solution-link{font-size:11px}.hint-button{min-height:30px}.lesson-navigation{font-size:11px}.editor-pane{height:calc(100dvh - 240px);min-height:420px}.pane-toolbar{height:48px;min-height:48px;padding:0 20px;font-size:11px}.pane-toolbar button{padding:10px 7px;font-size:11px}.code-editor{min-height:300px}.editor-footer{display:none}.mobile-run{z-index:10;background:var(--surface);border-top:1px solid var(--line);padding:13px 20px max(13px,env(safe-area-inset-bottom));justify-content:space-between;align-items:center;gap:15px;display:flex;position:fixed;bottom:0;left:0;right:0}.mobile-run>span{color:var(--muted);font-size:10px}.mobile-run .button{min-height:43px;font-size:12px}.console-output{height:220px;padding:27px}.console-output pre{font-size:12px}.feedback-area{min-height:300px;padding:27px 25px}.feedback-heading h2{font-size:28px}.feedback-heading p,.test-result strong,.test-result p{font-size:12px}.feedback-intro h3{font-size:28px}.feedback-intro p{font-size:13px}.feedback-intro .eyebrow{font-size:9px}.waiting-steps,.lesson-success p{font-size:12px}.lesson-page+.site-footer{display:none}.solution-dialog{padding:27px}.solution-dialog>div:last-child{flex-direction:column-reverse}.progress-stats{gap:12px}.progress-stats>div{padding:20px 15px}.progress-stats strong{font-size:31px}.completed-list{grid-template-columns:1fr}}@media (max-width:480px){.site-header{gap:12px;height:68px;padding:0 18px}.site-header nav{gap:13px;font-size:10px}.site-header nav a:nth-child(2){display:none}.site-header nav{margin-left:auto}.theme-button{width:31px;height:31px;font-size:19px}.brand{font-size:23px}.hero h1{letter-spacing:-1.7px;font-size:47px}.hero{gap:30px;padding-top:40px}.hero-description{margin-top:22px;font-size:14px;line-height:1.8}.hero-actions{flex-direction:column;align-items:flex-start;gap:18px}.hero-actions .button{min-height:48px;padding:13px 19px}.small-note{font-size:9px}.hero-visual{padding-top:28px;padding-bottom:44px}.sample-code{padding-top:22px;font-size:8px}.sample-toolbar{height:37px;padding:0 12px;font-size:8px}.line-number{width:17px;margin-right:12px}.sample-output{margin:0 16px;padding:12px 0 20px}.sample-output p{font-size:9px}.sample-editor{border-radius:9px}.success-note{width:221px;padding:12px 14px;bottom:12px}.success-note strong,.success-note span:not(.success-icon):not(.mini-spark){font-size:10px}.visual-caption{margin-top:20px;font-size:10px}.visual-label{font-size:7px}.section-heading{margin-bottom:25px;display:block}.section-heading .text-link{margin-top:16px;display:inline-block}.section-heading h2{max-width:280px;font-size:30px}.language-card{padding:19px 16px}.language-top{margin-bottom:20px}.language-card h3{font-size:20px}.language-card p{min-height:60px;font-size:11px}.language-card .card-foot{margin-top:17px}.language-symbol{width:35px;height:35px;font-size:15px}.card-foot{font-size:8px}.language-grid{gap:12px}.learning-section>div>p{font-size:13px}.stats-strip p{font-size:9px}.stats-strip strong{width:25px}.catalog-page,.profile-page,.track-page{padding-top:35px;padding-bottom:45px}.catalog-page h1,.profile-page h1{font-size:38px;line-height:1.1}.page-intro{font-size:13px}.catalog-grid{grid-template-columns:1fr;gap:15px}.catalog-grid .language-card{padding:23px}.catalog-grid .language-card p{min-height:0}.catalog-heading h2{max-width:200px;font-size:13px;line-height:1.5}.pill{padding:3px 9px;font-size:9px}.help-card{margin-top:25px}.help-card p{font-size:11px}.help-card>a{margin-left:0}.track-header{gap:16px;margin-top:30px}.track-header h1{font-size:32px}.track-header .eyebrow{font-size:8px}.track-header .large{width:45px;height:45px;font-size:19px}.track-header .page-intro{font-size:12px}.module-heading{padding:21px 18px}.module-heading h2{font-size:15px}.module-heading p{font-size:10px}.lesson-row{gap:13px;padding:20px 16px}.lesson-row h3{font-size:12px}.lesson-row p{font-size:10px}.lesson-row>span:nth-last-child(2){display:none}.lesson-row>span:last-child{margin-left:auto}.lesson-index{font-size:11px}.lesson-counter{font-size:8px}.lesson-breadcrumb{gap:9px;padding:0 20px}.lesson-breadcrumb>span:nth-child(3){max-width:140px}.lesson-breadcrumb a{white-space:nowrap}.progress-stats{gap:8px}.progress-stats>div{padding:18px 12px}.progress-stats span{font-size:10px}.empty-progress p{font-size:12px}.empty-progress h2{font-size:28px}}:root{--code-string:#526b2e;--code-keyword:#76549a;--code-number:#a35426;--code-function:#286c69}:root[data-theme=dark]{--code-string:#c5db9b;--code-keyword:#ceb8ef;--code-number:#efbd8d;--code-function:#a9dace}.lesson-prose,.checkpoint>p{font-size:14px}.goals ul{font-size:12px}.checkpoint h2{font-size:13px}.hint-button{font-size:12px}.feedback-intro p,.test-result p{font-size:13px}.console-output pre,.language-card p{font-size:12px}.theme-button{min-width:36px;min-height:36px}@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}.account-card{background:var(--surface);border:1px solid var(--line);border-radius:16px;grid-template-columns:1.15fr 1fr;gap:52px;margin:32px 0 15px;padding:36px;display:grid}.account-story h2{font-family:var(--font-display,Georgia,serif);letter-spacing:-.8px;margin:14px 0;font-size:31px;line-height:1.15}.account-story p{color:var(--muted);max-width:460px;font-size:14px;line-height:1.75}.account-note{color:var(--muted);margin-top:16px;font-size:12px;display:block}.account-form,.account-actions{flex-direction:column;justify-content:center;gap:12px;min-width:0;display:flex}.account-form label{font-size:13px;font-weight:600}.account-form input{border:1px solid var(--line);background:var(--bg);color:var(--text);font:inherit;border-radius:8px;width:100%;min-width:0;padding:13px 14px}.account-form input:focus{outline:2px solid var(--green);outline-offset:3px}.account-form .account-note{margin:0}.account-form .button{margin-top:4px}.account-error{color:var(--text);background:var(--soft);border-left:3px solid var(--green);grid-column:1/-1;margin:0;padding:14px;font-size:14px}.account-status{color:var(--muted);min-height:22px;font-size:13px;line-height:1.65}.lesson-login{margin-top:16px;font-size:13px;line-height:1.7}.lesson-login a{color:var(--green);text-decoration:underline}@media (max-width:760px){.account-card{grid-template-columns:1fr;gap:25px;margin-top:25px;padding:25px}.account-story h2{font-size:29px}.account-story p{font-size:13px}.account-form .button,.account-actions .button{white-space:normal;text-align:center;width:100%}.account-status{font-size:12px}.account-note{font-size:11px}}.module-stack{gap:28px;min-width:0;display:grid}.module-stack>.module-list{scroll-margin-top:24px}.module-links{flex-direction:column;gap:16px;margin:25px 0;font-size:12px;line-height:1.6;display:flex}.module-links a{gap:12px;display:flex}.module-links a>span{color:var(--green);font-family:monospace}.input-cases{border:1px solid var(--line);background:var(--soft);border-radius:7px;margin:24px 0;padding:15px;font-size:12px;line-height:1.7}.input-cases summary{cursor:pointer;font-weight:600}.input-cases p{margin:12px 0}.input-cases>div{margin-top:12px}.input-cases pre{white-space:pre-wrap;overflow-wrap:anywhere;color:var(--muted);margin:5px 0 0}.test-result>div{min-width:0}.test-result p{overflow-wrap:anywhere}.lesson-prose{overflow-wrap:break-word;font-size:14px;line-height:1.85}.lesson-prose h2{color:var(--text);margin:30px 0 14px;font-size:23px;line-height:1.3}.lesson-prose p{color:var(--text);margin:0 0 17px}.lesson-prose ul{margin:12px 0 22px;padding-left:20px}.lesson-prose li{margin:7px 0}.lesson-example{border:1px solid var(--line);background:var(--surface);border-radius:9px;min-width:0;margin:22px 0;padding:16px}.lesson-example figcaption{margin-bottom:13px;font-weight:700;line-height:1.5}.lesson-prose pre{white-space:pre;overflow-wrap:normal;background:var(--soft);border-radius:5px;margin:0;padding:12px;font-size:12px;line-height:1.8;overflow-x:auto}.lesson-prose pre code{font-size:inherit;background:0 0;padding:0}.example-expected{margin:13px 0}.example-expected strong,.example-result strong{letter-spacing:.3px;color:var(--muted);margin-bottom:7px;font-size:11px;display:block}.example-expected pre,.example-result pre{white-space:pre-wrap;overflow-wrap:anywhere}.example-result:not(:empty){border-top:1px solid var(--line);margin-top:15px;padding-top:13px}.lesson-example .button{min-height:44px;padding:10px 12px}.prose-table{margin:18px 0;overflow-x:auto}.prose-table table{border-collapse:collapse;width:100%;font-size:12px;line-height:1.5}.prose-table th,.prose-table td{border-bottom:1px solid var(--line);text-align:left;padding:9px 7px}.prose-table th{background:var(--soft)}.project-editor{flex:1;grid-template-columns:154px minmax(0,1fr);min-width:0;min-height:0;display:grid}.project-editor>.code-editor{min-width:0;min-height:0}.project-files{background:var(--surface);border-right:1px solid var(--line);min-width:0;padding:14px 9px;font-size:12px;overflow:auto}.project-files>strong{color:var(--muted);letter-spacing:.5px;padding:0 6px 10px;font-size:11px;display:block}.project-files ul{min-width:0;margin:0;padding:0;list-style:none}.project-files li{min-width:0}.project-files details>ul{padding-left:12px}.project-files summary{cursor:pointer;overflow-wrap:anywhere;padding:7px 5px}.project-files button{text-align:left;width:100%;font:inherit;border-radius:5px;flex-direction:column;align-items:flex-start;min-width:0;padding:9px 7px;line-height:1.5;display:flex}.project-files button>span{text-overflow:ellipsis;white-space:nowrap;max-width:100%;font-family:Consolas,monospace;overflow:hidden}.project-files button[aria-current=page]{background:var(--soft);color:var(--green);font-weight:600}.project-files button:focus-visible,.project-files summary:focus-visible{outline:2px solid var(--green);outline-offset:1px}.project-files small{color:var(--muted);font-size:10px;font-weight:400}.project-workspace .file-tab{white-space:nowrap;text-overflow:ellipsis;min-width:0;max-width:58%;overflow:hidden}.project-workspace .pane-toolbar>div{flex-shrink:0}.project-runtime-note,.project-storage-notice{background:var(--soft);border-bottom:1px solid var(--line);margin:0;padding:12px 16px;font-size:12px;line-height:1.7}.project-runtime-note a{color:var(--green);text-decoration:underline}.example-files>div+div{margin-top:12px}.example-filename{color:var(--muted);overflow-wrap:anywhere;margin:0 0 6px;font:12px/1.5 Consolas,monospace;display:block}@media (min-width:801px){.workspace{grid-template-rows:minmax(0,1fr)}.editor-pane{min-height:0}}@media (max-width:800px){.project-editor{flex-direction:column;display:flex}.project-files{border-right:0;border-bottom:1px solid var(--line);flex:none;max-height:145px;padding:10px 16px}.project-files>ul{grid-template-columns:repeat(2,minmax(0,1fr));gap:0 8px;display:grid}.project-files details>ul{display:block}.project-files>strong{padding-bottom:4px}.project-editor>.code-editor{flex:1;min-height:230px}.project-workspace .file-tab{max-width:55%}}
