@import url('./local-fonts.css');
:root{--bg:#f4f5f0;--paper:#fff;--ink:#203932;--muted:#62746d;--line:#dce3d9;--green:#214d40;--lime:#ddf878;--code:#152923;--orange:#ad4c2a;--radius:17px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 'Werkstatt',system-ui,-apple-system,'Segoe UI',sans-serif}button,input,textarea{font:inherit}button,a,input,textarea,summary{touch-action:manipulation}a{color:var(--green);text-underline-offset:4px}button{cursor:pointer}button:disabled{opacity:.55;cursor:wait}button:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid #be633b;outline-offset:4px}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.16;letter-spacing:-.035em}h1{font-size:clamp(2.2rem,4vw,3.6rem);font-weight:650}h2{font-size:1.8rem}h3{font-size:1.18rem;letter-spacing:-.015em}p{margin-bottom:1.15rem}.muted{color:var(--muted)}.small{font-size:.85rem;line-height:1.5}.eyebrow{font-size:.78rem;letter-spacing:.13em;font-weight:750;color:var(--green);margin-bottom:15px}.shell{display:grid;grid-template-columns:270px minmax(0,1fr);max-width:1800px;margin:auto}.sidebar{height:100vh;position:sticky;top:0;overflow:auto;padding:29px 22px 18px;border-right:1px solid var(--line);background:#fdfef9;display:flex;flex-direction:column}.brand{display:flex;gap:8px;align-items:center;font-size:1.12rem;text-decoration:none;white-space:nowrap;letter-spacing:-.035em}.brand-icon{background:var(--green);color:var(--lime);font:700 18px/1 monospace;padding:13px 8px;border-radius:10px;margin-right:3px}.sidebar>.small{font-size:.67rem;margin:18px 0 21px;letter-spacing:.07em}.nav-home{display:block;text-decoration:none;font-weight:650;font-size:.9rem;padding:9px 7px}.progress-head{display:flex;justify-content:space-between;font-size:.78rem;margin:21px 5px 8px}progress{appearance:none;width:100%;height:5px;border:0;display:block;background:#e5ebdf;border-radius:9px;margin-bottom:24px}progress::-webkit-progress-bar{background:#e5ebdf;border-radius:9px}progress::-webkit-progress-value{background:var(--green);border-radius:9px}progress::-moz-progress-bar{background:var(--green)}.chapter-group{color:var(--muted);font-weight:750;font-size:.7rem;letter-spacing:.12em;margin:18px 8px 7px}.chapter{display:flex;gap:10px;align-items:baseline;padding:9px 10px;text-decoration:none;font-size:.83rem;line-height:1.35;border-radius:8px;margin:2px 0}.chapter .num{color:#7d8c81;min-width:20px;font:13px monospace}.chapter.active{background:#e9f0dc;color:#234a36;font-weight:700}.chapter.done .num{color:var(--green);font-weight:700}.chapter:hover{background:#f0f4e9}.text-button{border:0;background:none;color:var(--green);padding:5px 0;font-size:.83rem;text-decoration:underline;text-underline-offset:3px}.import-label{cursor:pointer;display:block}.profile{border-top:1px solid var(--line);padding-top:18px;margin-top:28px;display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:.85rem}.profile small{display:block;font-size:.72rem;color:var(--muted)}.profile form{margin-left:auto}.avatar{width:35px;height:35px;display:grid;place-items:center;background:#e7eddf;border-radius:50%;font-weight:700}main{min-width:0;padding:28px clamp(22px,4vw,68px) 20px}.topline{display:flex;justify-content:space-between;gap:15px;font-size:.72rem;letter-spacing:.09em;color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:20px;margin-bottom:30px}.welcome{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:35px;align-items:center;padding:10px 0 24px}.welcome h1{margin-bottom:18px;max-width:680px}.welcome p{max-width:620px}.welcome .accent{font-family:Georgia,serif;font-style:italic;font-weight:500;color:var(--green)}.primary,.secondary{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;border:1px solid var(--green);border-radius:8px;padding:11px 19px;font-size:.9rem;font-weight:650;line-height:1.5}.primary{background:var(--green);color:white}.primary:hover{background:#163b2f}.secondary{background:transparent;color:var(--green)}.secondary:hover{background:#e8efdd}.actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.today-card{border:1px solid var(--line);border-radius:var(--radius);background:#ebf1df;padding:25px;transform:rotate(2deg)}.today-card .big{font-size:3.8rem;line-height:1;font-weight:600;letter-spacing:-.08em;margin:12px 0}.today-card hr{border:0;border-top:1px solid #ccd8bc;margin:17px 0}.today-card p{font-size:.87rem;margin-bottom:0}.section-head{display:flex;justify-content:space-between;gap:12px;align-items:baseline;margin:26px 0 18px}.section-head h2{margin:0;font-size:1.45rem}.pill{border:1px solid var(--line);border-radius:30px;padding:4px 11px;font-size:.75rem;color:var(--muted);display:inline-block}.plan{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.plan-card{background:var(--paper);border:1px solid var(--line);border-radius:13px;padding:21px}.plan-card:first-child{border-color:#9ba98a}.plan-card h3{margin:10px 0}.plan-card p{font-size:.86rem;margin-bottom:0;color:var(--muted)}.plan-card .day{font:700 .74rem monospace;letter-spacing:.07em}.course-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.course-card{display:flex;gap:16px;background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:19px;text-decoration:none;transition:transform .15s,border-color .15s}.course-card:hover{transform:translateY(-2px);border-color:#9bac90}.course-number{font:1.1rem monospace;color:#789078;background:#f0f4e7;border-radius:8px;min-width:43px;height:43px;display:grid;place-items:center}.course-card h3{font-size:1rem;margin:2px 0 6px;letter-spacing:-.01em}.course-card p{font-size:.78rem;color:var(--muted);margin:0}.notice{border-left:3px solid #99b966;background:#eaf0e0;padding:17px 20px;border-radius:0 10px 10px 0;margin:22px 0;font-size:.92rem}.lesson-title{max-width:800px;margin-bottom:25px}.lesson-title h1{font-size:clamp(2rem,3.4vw,3rem);margin-bottom:15px}.lesson-meta{display:flex;align-items:center;gap:12px;margin-bottom:14px}.lesson-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(330px,.95fr);gap:26px;align-items:start}.reading{min-width:0}.reading-section{margin-bottom:27px}.reading-section h2{font-size:1.2rem;margin-bottom:10px}.reading-section p{font-size:.96rem;color:#42594e;line-height:1.85;white-space:pre-line}.reading ol{padding-left:23px;font-size:.9rem;color:#42594e}.reading li{padding-left:5px;margin-bottom:9px}.panel{background:white;border:1px solid var(--line);border-radius:var(--radius);padding:23px;margin-bottom:22px;min-width:0}.panel h2{font-size:1.2rem}.editor-panel{position:sticky;top:20px;background:var(--code);color:#eff6e6;border-color:var(--code);padding:0;overflow:hidden}.editor-head{padding:17px 19px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #35463a;font-size:.8rem}.editor-head strong{font-family:monospace;font-size:.9rem}.runtime-tag{color:#c5d8b2;font-size:.72rem}.editor-tabs{display:flex;padding:11px 14px 0;gap:8px}.editor-tabs button{background:none;color:#bdcdbf;border:1px solid transparent;padding:8px 12px;border-radius:7px;font-size:.82rem}.editor-tabs button[aria-pressed=true]{background:#31483b;color:var(--lime);border-color:#49604d}.editor-label{display:block;margin:15px 19px 7px;font-size:.75rem;color:#acbdaf}.editor-panel textarea{display:block;resize:vertical;min-height:300px;max-height:70vh;width:100%;background:transparent;color:#e1eecc;border:0;padding:10px 20px 20px;font:14px/1.8 Consolas,'Cascadia Code',monospace;tab-size:4;white-space:pre;overflow:auto}.editor-panel textarea:focus-visible{outline-offset:-4px}.editor-actions{padding:14px 17px;background:#20372c;display:flex;flex-wrap:wrap;gap:8px}.editor-actions .primary{background:var(--lime);color:#1b3624;border-color:var(--lime)}.editor-actions .secondary{border-color:#617760;color:#e2ecd9}.editor-actions button{font-size:.8rem;padding:8px 12px}.output-head{display:flex;justify-content:space-between;align-items:center;padding:15px 19px 0;font-size:.73rem;color:#b7c8ba}.output{min-height:84px;max-height:250px;overflow:auto;white-space:pre-wrap;overflow-wrap:anywhere;padding:15px 19px;margin:0;font:14px/1.65 Consolas,monospace;color:#eff5df}.editor-note{color:#a4bba9;font-size:.72rem;padding:0 19px 15px;margin:0}.feedback{margin:0;padding:13px 19px;background:#2c4533;font-size:.85rem;color:#e9f7d4}.feedback.bad{background:#61382b;color:#fff0e9}details{border-top:1px solid var(--line);padding:13px 0}details:last-child{padding-bottom:0}summary{cursor:pointer;font-weight:600;font-size:.9rem}details p{margin:12px 0 0;font-size:.9rem}.code{padding:17px;background:#192f27;color:#e9f0dc;border-radius:10px;overflow:auto;white-space:pre;font:13px/1.8 Consolas,monospace;margin-bottom:0}.expected{font:13px/1.7 Consolas,monospace;background:#f1f5eb;padding:13px;border-radius:8px;white-space:pre-wrap;overflow-wrap:anywhere}.step-tag{font-size:.7rem;letter-spacing:.12em;color:var(--green);font-weight:750}.quiz-options{display:grid;gap:8px;margin:16px 0}.quiz-option{display:flex;gap:10px;padding:11px 12px;border:1px solid var(--line);border-radius:8px;font-size:.9rem;cursor:pointer}.quiz-option:has(input:checked){border-color:var(--green);background:#eef3e5}.quiz-result{font-size:.9rem;margin:12px 0 0}.completion{display:flex;justify-content:space-between;align-items:center;gap:12px;margin:25px 0;padding:22px;border:1px solid #c9d9b4;border-radius:13px;background:#edf3e3}.completion label{display:flex;gap:10px;align-items:center;font-weight:600;font-size:.9rem}.completion input{width:19px;height:19px;accent-color:var(--green)}.next-links{display:flex;justify-content:space-between;gap:15px;margin:25px 0}.cheat-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.cheat-grid .panel{margin:0}.cheat-grid .code{font-size:13px}footer{border-top:1px solid var(--line);padding:24px 0 6px;margin-top:35px;font-size:.75rem;color:var(--muted);display:flex;justify-content:space-between;gap:15px}.mobile{display:none}.skip{position:absolute;top:-100px;left:10px;background:white;padding:10px;z-index:10}.skip:focus{top:10px}.login-page{min-height:100vh;display:grid;place-items:center;padding:22px;background:radial-gradient(ellipse at 20% 10%,#e7eed8,transparent 60%),#f4f5f0}.login-card{width:min(510px,100%);background:#fff;border:1px solid var(--line);border-radius:23px;padding:42px;box-shadow:0 20px 70px #1f38270b}.login-card .brand{margin-bottom:40px}.login-card h1{font-size:2.55rem}.login-card label{display:block;font-size:.86rem;font-weight:650;margin:16px 0 6px}.login-card input{width:100%;border:1px solid #becbb9;border-radius:8px;padding:12px;background:#fcfdf9}.login-card .primary{width:100%;margin:24px 0 18px}.login-card .small{margin-bottom:0}.alert{background:#fff1e8;color:#833821;padding:12px;border-radius:7px}.source-link{font-size:.8rem}.error-box{background:#fff1e8;padding:22px;border-radius:12px}.toolbar{display:flex;gap:8px;flex-wrap:wrap;margin:15px 0}.toolbar button{font-size:.8rem}.lesson-title .muted{font-size:1.03rem} [hidden]{display:none!important}
@media(min-width:1450px){.lesson-layout{gap:40px}.editor-panel textarea{min-height:360px}}
@media(max-width:1150px){.shell{grid-template-columns:235px minmax(0,1fr)}.sidebar{padding:24px 15px}main{padding:25px}.lesson-layout{grid-template-columns:1fr}.editor-panel{position:relative;top:auto;grid-row:2}.welcome{grid-template-columns:1fr}.today-card{display:none}.plan{gap:10px}.plan-card{padding:16px}.course-grid{grid-template-columns:1fr}}
@media(max-width:720px){.shell{display:block}.sidebar{height:auto;position:relative;padding:18px 20px;border-right:0;border-bottom:1px solid var(--line)}.sidebar>.small{display:none}.mobile{display:inline-flex;position:absolute;right:18px;top:20px;font-size:.76rem;padding:7px 10px}.brand{font-size:1rem}.brand-icon{padding:10px 6px;font-size:16px}#navigation{display:none;margin-top:22px}#navigation.open{display:block}.profile{margin-top:16px;padding-top:12px}.profile .avatar{width:28px;height:28px}.profile small{display:none}main{padding:20px 18px}.topline{font-size:.62rem;margin-bottom:23px;padding-bottom:13px}.topline span:last-child{letter-spacing:0}.welcome{padding:0 0 10px;gap:0}h1{font-size:2.4rem}.welcome h1 br{display:none}.plan{grid-template-columns:1fr}.plan-card{padding:17px}.plan-card h3{margin:6px 0}.section-head{align-items:center}.section-head h2{font-size:1.3rem}.section-head .pill{font-size:.65rem}.course-card{padding:16px}.lesson-layout{gap:8px}.panel{padding:19px}.editor-panel{padding:0}.editor-panel textarea{min-height:300px;font-size:14px}.completion{align-items:flex-start;flex-direction:column;padding:17px}.cheat-grid{grid-template-columns:1fr}.login-card{padding:28px}.login-card h1{font-size:2.1rem}.next-links .secondary{padding:9px 12px}.lesson-title h1{font-size:2.2rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
@media print{.sidebar,.topline,.editor-actions,.editor-tabs,.toolbar,.completion,.next-links,footer{display:none}.shell,.lesson-layout{display:block}body,main{background:white;color:black;padding:0}.editor-panel{position:static;break-inside:avoid}.panel{break-inside:avoid}.code{white-space:pre-wrap}.reading-section{break-inside:avoid}}

.editor-panel .text-button{color:#bfd2b9}
@media(max-width:400px){.mobile{position:static;align-self:flex-start;margin-top:14px}}