@import"https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@400;500;600;700;800&display=swap";:root{font-family:DM Sans,sans-serif;color:#243c35;background:#f7f8f4;font-synthesis:none;--green: #155b4a;--muted: #718078;--line: #dee4da;--lime: #d9eb93}*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a,input{outline-offset:5px}button{cursor:pointer}button:disabled{opacity:.5;cursor:wait}h1,h2,h3,.brand{font-family:Manrope,sans-serif}h1{font-size:clamp(32px,4vw,54px);letter-spacing:-2px;line-height:1.16;margin:20px 0}h2{font-size:28px;letter-spacing:-1px}h3{font-size:19px}p{line-height:1.75;color:var(--muted)}.layout{display:flex;min-height:100vh}aside{width:240px;padding:34px 26px;background:#eef1e9;border-right:1px solid var(--line);position:fixed;inset:0 auto 0 0;display:flex;flex-direction:column}.brand{font-size:23px;letter-spacing:-1px;font-weight:800;white-space:nowrap}.brand-icon{color:var(--green);font-size:29px;margin-right:5px}.brand-dot{color:#a2b85c}.eyebrow,.mini-label{font-size:10px;font-weight:700;letter-spacing:1.8px}.side-label{color:#879084;margin:53px 12px 20px}nav{display:grid;gap:7px}nav a{display:flex;gap:16px;padding:15px 16px;font-size:13px;border-radius:6px;color:#67756b}nav a span{font-size:19px;line-height:18px}nav a.active{background:var(--green);color:#fff}.side-bottom{margin-top:auto;padding:35px 10px 0}.side-bottom p{font-family:Manrope,sans-serif;font-size:18px;color:#6b786b;line-height:1.55;letter-spacing:-.4px}.mini-label{color:#84926e;font-size:9px}.side-line{height:1px;background:#d6decd;margin:28px 0}.side-bottom small{color:#869080;font-size:10px;line-height:1.8}.workspace{margin-left:240px;width:calc(100% - 240px)}header{height:88px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 45px;font-size:12px;color:#6b776e}.badge{font-size:8px;letter-spacing:1px;border:1px solid #d6dfd0;border-radius:4px;padding:5px;margin-left:13px}.small-button{font-size:12px;border:1px solid #cdd8cc;border-radius:5px;padding:10px 15px;color:var(--green);display:inline-block}main{max-width:1440px;padding:38px 45px 60px;margin:auto;min-height:calc(100vh - 160px)}.page-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:27px;color:#72806c}.edition{font-size:9px;letter-spacing:1.4px}.hero{background:linear-gradient(110deg,#e9efdf,#f0f2e7);border:1px solid #e0e6d7;border-radius:10px;padding:42px;display:grid;grid-template-columns:1.05fr 1fr;gap:15px;position:relative;overflow:hidden}.hero h1{font-size:clamp(34px,3.8vw,57px);line-height:1.13;letter-spacing:-2.7px;margin:26px 0 22px}.hero h1 em{font-style:normal;color:var(--green)}.hero p{font-size:13px;max-width:370px;line-height:1.9}.pill{font-size:9px;letter-spacing:1.6px;background:#e1e9cf;color:#567139;border:1px solid #d3dfbe;padding:7px 10px;border-radius:4px}.button{border:0;border-radius:5px;background:var(--green);color:#fff;padding:14px 20px;display:inline-flex;align-items:center;justify-content:space-between;gap:24px;font-size:12px;font-weight:600}.hero .button{margin-top:15px}.hero-note{font-size:10px;color:#879078;margin-top:23px}.hero-note b{padding:0 8px;color:#a1af8a}.cycle-art{min-height:320px;position:relative;background:radial-gradient(circle,#dbe4cd44 1px,transparent 1px);background-size:12px 12px}.orbit{position:absolute;width:205px;height:205px;border:1px dashed #94ab7d;border-radius:50%;left:50%;top:49%;transform:translate(-50%,-50%)}.orbit:after{content:"↻";position:absolute;font-size:200px;color:#c1d29f;top:-29px;right:0;bottom:0;left:15px;font-family:serif}.cycle-center{position:absolute;left:50%;top:47%;transform:translate(-50%,-50%);display:grid;text-align:center;color:#6f8d5c}.cycle-center span{font-family:Georgia,serif;font-size:58px;font-style:italic;line-height:1.1}.cycle-center small{font-size:8px;letter-spacing:2px}.node{position:absolute;padding:13px 15px;background:#f8faf2;border:1px solid #cfdac3;box-shadow:0 5px 15px #354d3510;border-radius:7px;color:#7b8a68;font-size:9px;z-index:1;width:145px}.node b{display:block;font-size:11px;color:#3b5542;margin-top:5px}.node small{display:block;font-size:9px;color:#85917d;margin-top:4px}.n1{top:15px;left:50%;transform:translate(-50%)}.n2{right:-15px;top:135px;border-top:2px solid #c6a675}.n3{bottom:28px;left:50%;transform:translate(-50%)}.n4{left:-10px;top:135px;border-top:2px solid #83aaa3}.art-label{position:absolute;bottom:0;width:100%;text-align:center;font-size:6px;letter-spacing:1.2px;color:#8f9c7b}.stats{display:grid;grid-template-columns:repeat(4,1fr);padding:28px 0;border-bottom:1px solid var(--line);gap:25px}.stats>div{border-right:1px solid var(--line);padding-left:20px}.stats>div:first-child{padding:0}.stats>div:last-child{border:0}.stats strong{font-family:Manrope,sans-serif;font-size:30px;font-weight:500;letter-spacing:-1px}.stats strong span{font-size:16px;color:#86927e}.stats p{font-size:10px;margin:5px 0}.section-heading{display:flex;justify-content:space-between;align-items:end;margin:35px 0 22px}.section-heading h2{margin:8px 0 0;font-size:26px}.section-heading a{font-size:11px;color:var(--green);padding-bottom:5px}.chapter-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:25px}.chapter-card{background:#fff;border:1px solid var(--line);border-radius:8px;padding:22px;transition:transform .2s,box-shadow .2s}.chapter-card:hover{transform:translateY(-4px);box-shadow:0 10px 28px #254c3010}.card-top,.card-foot{display:flex;justify-content:space-between;align-items:center}.card-top{font-size:8px;letter-spacing:1px;color:#85907f}.chapter-number{background:#edf2e5;color:#66794b;padding:7px 9px;border-radius:4px;font-size:11px}.chapter-symbol{font-size:33px;color:#6e8c5d;margin:23px 0 15px}.chapter-card h3{font-size:16px;margin:10px 0}.chapter-card p{font-size:11px;margin:0 0 25px}.card-foot{border-top:1px solid #e8ece3;padding-top:16px;font-size:9px;color:#74826a}.join-strip{margin-top:30px;border:1px dashed #cdd8bf;border-radius:7px;padding:23px;display:flex;align-items:center;justify-content:space-between;gap:20px}.join-strip b{font-size:13px}.join-strip p{font-size:11px;margin:5px 0 0}.secondary{background:#e9efdf;color:var(--green);border:1px solid #cbd8bd}footer{padding:22px 45px;border-top:1px solid var(--line);display:flex;justify-content:space-between;font-size:10px;color:#8b9584}.lesson-card{display:flex;align-items:center;gap:20px;background:#fff;border:1px solid var(--line);border-radius:7px;padding:22px;margin:16px 0}.lesson-index{font-size:22px;color:#a8b69a}.lesson-card small{font-size:9px;letter-spacing:1px;color:#859079}.lesson-card h3{margin:7px 0}.lesson-card p{font-size:11px;margin:0}.status{margin-left:auto;font-size:25px;color:var(--green)}.back{display:block;font-size:12px;color:var(--green);margin-bottom:30px}.reading-head{max-width:820px}.reading-head p{font-size:18px}.paper,.interactive{padding:30px;border:1px solid var(--line);background:#fff;border-radius:9px;margin:25px 0}.interactive{background:#eaf0e0}.interactive label{display:block;margin:20px 0}.interactive input{width:100%;accent-color:var(--green)}output{font-size:26px;font-weight:700}.check-row{margin-top:25px}.text-link{color:var(--green);font-size:12px;text-decoration:underline;border:0;background:none;padding:12px}.paper p{font-size:14px}fieldset{border:0;border-top:1px solid var(--line);padding:25px 0;margin:25px 0}legend{font-size:15px;font-weight:600;padding:0 0 15px;line-height:1.7}.option{display:flex;gap:12px;align-items:start;background:#f6f8f1;border:1px solid var(--line);padding:15px;margin:10px 0;border-radius:5px;font-size:14px;line-height:1.6}.option:has(input:checked){border-color:var(--green);background:#eaf0df}input[type=radio]{accent-color:var(--green);margin-top:5px}.result{background:#e9f1dd;padding:25px;margin-top:25px;border-radius:6px}.auth-wrap{max-width:470px;margin:35px auto}.auth-wrap h1{font-size:39px}.auth-wrap p{font-size:14px}.tabs{display:flex;gap:5px;border-bottom:1px solid var(--line);margin:30px 0}.tabs button{border:0;background:none;padding:14px;color:#7c8975}.tabs .selected{color:var(--green);border-bottom:2px solid var(--green)}#auth label{display:grid;gap:9px;font-size:13px;margin:20px 0}input:not([type=radio],[type=range]){padding:12px;border:1px solid #cbd5c4;border-radius:5px;background:#fff;min-width:0}#auth .button{width:100%;margin:10px 0 20px}.user{display:flex;align-items:center;gap:9px}.avatar{display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:#dfeacb;color:var(--green)}.error{padding:15px;background:#fbe9dd;border:1px solid #dca386;margin-bottom:15px;font-size:13px}.error button{float:right;background:transparent;border:0}.loading{padding:10px;background:#e3edda;font-size:12px}.progress-bar{height:10px;background:#e3e9dc;border-radius:20px;overflow:hidden}.progress-bar span{height:100%;display:block;background:var(--green)}.progress-item>span{font-size:12px;color:#6c7e5e}.search{display:flex;gap:12px;margin:25px 0}.search input{flex:1}.search-hit{display:block;padding:15px;border-bottom:1px solid var(--line);font-size:13px;line-height:1.8}.reader-tools{display:flex;justify-content:space-between;align-items:center;gap:10px;margin:25px 0}#page-go{display:flex;gap:10px;align-items:center;font-size:12px}#page-go input{width:75px}#page-go button{border:0;background:none;color:var(--green)}.source-page{padding:35px;background:#fff;border:1px solid var(--line);border-radius:6px}.source-page pre{font:15px/1.9 DM Sans,sans-serif;white-space:pre-wrap;overflow-wrap:anywhere}main{animation:reveal .5s ease}@keyframes reveal{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}@media(min-width:1500px){.hero{padding:55px}.cycle-art{margin:0 35px}}@media(max-width:1100px){aside{width:200px;padding:25px 18px}.workspace{margin-left:200px;width:calc(100% - 200px)}main{padding:30px 25px}header{padding:0 25px}.hero{padding:30px;grid-template-columns:1fr}.hero p{max-width:550px}.cycle-art{display:none}.chapter-grid{gap:12px}.chapter-card{padding:17px}.badge{display:none}}@media(max-width:700px){aside{position:static;width:100%;padding:16px;display:block;border-bottom:1px solid var(--line)}.layout{display:block}.brand{font-size:22px}nav{display:flex;gap:4px;margin-top:18px;justify-content:space-between}nav a{padding:10px 7px;font-size:11px;gap:6px}nav a span{font-size:16px}.side-label,.side-bottom{display:none}.workspace{margin:0;width:100%}header{height:60px;padding:0 20px;font-size:10px}header>div{max-width:180px}.user{max-width:150px;overflow:hidden}main{padding:25px 20px}.edition{display:none}.hero{padding:25px}.hero h1{font-size:38px}.stats{grid-template-columns:1fr 1fr;gap:22px}.stats>div{padding-left:0}.stats>div:nth-child(2){border:0}.chapter-grid{grid-template-columns:1fr}.chapter-symbol{margin:15px 0}.join-strip{align-items:start;flex-direction:column}.section-heading{gap:20px}.section-heading h2{font-size:23px}.section-heading a{white-space:nowrap}.paper,.source-page{padding:20px}.reader-tools{flex-wrap:wrap}#page-go{order:3;width:100%;justify-content:center}.search{flex-wrap:wrap}.search input{width:100%}.lesson-card{padding:16px;gap:12px}.lesson-card h3{font-size:16px}footer{padding:20px;gap:20px;font-size:9px}.reading-head p{font-size:16px}h1{letter-spacing:-1px}}@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}.lesson-source{margin:25px 0;border-top:1px solid var(--line);padding-top:20px}.lesson-source summary{cursor:pointer;font-size:14px;color:var(--green)}.lesson-source pre{white-space:pre-wrap;overflow-wrap:anywhere;font:14px/1.9 DM Sans,sans-serif;color:#52644f}.lesson-topics{display:grid;gap:7px;margin:25px 0}.lesson-topics a{display:flex;align-items:start;gap:12px;border-bottom:1px solid var(--line);padding:12px 0;font-size:13px}.lesson-topics a>span:first-child{color:var(--muted);min-width:55px;font-size:11px}.lesson-topics a>span:last-child{margin-left:auto}.topic-reader{display:grid;grid-template-columns:260px minmax(0,1fr);gap:28px;align-items:start}.topic-outline{position:sticky;top:20px;background:#eef2e8;border:1px solid var(--line);border-radius:8px;padding:16px;max-height:calc(100vh - 40px);overflow:auto}.topic-outline summary{cursor:pointer;font-size:12px;font-weight:600;line-height:1.6;padding:8px 0}.topic-outline nav{display:block;margin-top:12px}.topic-outline nav>details{border-top:1px solid var(--line)}.topic-outline nav a{display:block;padding:8px 10px;border-radius:4px;font-size:11px}.topic-outline nav a.current{color:#fff;background:var(--green)}.outline-title{font-weight:700;color:var(--green);margin-top:8px}.outline-topic{margin-left:9px;border-left:1px solid #ccd7bf}.topic-content{min-width:0}.topic-context{display:flex;justify-content:space-between;gap:16px;font-size:11px;color:var(--muted);margin-bottom:20px}.topic-content .source-page{padding:28px}.topic-content .source-page h2{font-size:26px;line-height:1.35;overflow-wrap:anywhere}.topic-content .source-page p{white-space:normal;overflow-wrap:anywhere;font-size:15px;color:#45594e}.topic-pagination{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin:20px 0}.topic-pagination a{line-height:1.8}.topic-pagination b{display:block;font-weight:500;overflow-wrap:anywhere}.reader-finish{display:flex;gap:12px;flex-wrap:wrap}.search-hit small,.search-hit b,.search-hit span{display:block}.search-hit small{color:var(--muted);font-size:10px}.answer-feedback{padding:18px;margin:18px 0;background:#f7faf2;border-left:3px solid var(--green)}.answer-feedback.is-incorrect{border-left-color:#af7043;background:#fbf4e9}.answer-feedback h4{margin-top:0}.answer-feedback p{margin:8px 0}@media(max-width:1100px){.topic-reader{grid-template-columns:1fr}.topic-outline{position:static;max-height:320px}}@media(max-width:700px){.topic-content .source-page{padding:20px}.topic-pagination{grid-template-columns:1fr}.topic-context{flex-direction:column;gap:6px}}.source-figure{margin:25px 0;text-align:center}.figure-open{display:block;width:100%;background:#fff;border:1px solid var(--line);border-radius:8px;padding:15px;cursor:zoom-in}.figure-open img{display:block;max-width:100%;width:auto;height:auto;max-height:650px;margin:auto;object-fit:contain}.figure-open>span{display:block;margin-top:12px;font-size:11px;color:var(--green)}.source-figure figcaption{font-size:12px;line-height:1.6;color:#52664f;margin-top:12px}.source-figure figcaption small{color:var(--muted)}.related-figures{border-top:1px solid var(--line);margin-top:30px;padding-top:10px}.original-layout{border-top:1px solid var(--line);padding-top:20px;margin-top:25px}.original-layout summary{cursor:pointer;font-size:13px;color:var(--green);line-height:1.8}#visual-dialog{width:min(96vw,1400px);max-height:94vh;border:1px solid var(--line);border-radius:10px;padding:20px}#visual-dialog::backdrop{background:#13251de0}.visual-toolbar{display:flex;align-items:start;justify-content:space-between;gap:15px;position:sticky;top:-20px;background:#fff;padding:15px 0}.visual-toolbar h2{font-size:17px;margin:0;letter-spacing:-.3px}.visual-toolbar button{flex-shrink:0;background:#fff}#visual-image{display:block;width:100%;height:auto}@media(max-width:700px){#visual-dialog{padding:12px}.figure-open{padding:8px}.visual-toolbar h2{font-size:13px}}
