:root{--ink:#173b31;--ink2:#315b4b;--muted:#77877c;--paper:#f4f2e9;--white:#fffefa;--line:#e4e4d9;--lime:#d5ed82;--lime2:#badb56;--ochre:#e2aa56;--soft:#edf0e5;--shadow:0 18px 50px rgba(28,57,44,.08)}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:'DM Sans',sans-serif;font-size:14px}.app-shell{min-height:100vh}.sidebar{width:258px;position:fixed;inset:0 auto 0 0;background:#153c31;color:#f3f3e7;padding:26px 18px 19px;display:flex;flex-direction:column;z-index:5}.brand{display:flex;align-items:center;gap:10px;color:inherit;text-decoration:none;padding:0 7px;margin-bottom:38px}.brand-mark{width:38px;height:38px;border-radius:12px;background:var(--lime);display:grid;place-items:center}.brand-mark svg{width:29px;fill:none;stroke:#173b31;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.brand b{display:block;font:800 13px 'Manrope',sans-serif;letter-spacing:.15em}.brand small{display:block;color:#aec8ad;font-size:8px;letter-spacing:.18em;margin-top:3px}.side-label{font-size:9px;letter-spacing:.15em;font-weight:700;color:#94af9e}.main-nav{display:grid;gap:4px;margin-top:12px}.nav-link{width:100%;border:0;background:transparent;color:#ccdacd;text-align:left;font:500 13px 'DM Sans';padding:11px 12px;border-radius:9px;cursor:pointer;display:flex;align-items:center;gap:11px}.nav-link.active,.nav-link:hover{background:#285242;color:#f8f7ec}.nav-icon{font-size:18px;width:20px;text-align:center;color:#d4ed88}.nav-pill{margin-left:auto;border-radius:20px;background:#496b54;color:#e4efbd;padding:3px 7px;font-size:9px}.side-divider{height:1px;background:#426252;margin:22px 2px 20px}.side-heading{display:flex;justify-content:space-between;align-items:center;padding:0 9px}.side-heading span:last-child{font-size:10px;color:#91ad9a}.chapter-nav{overflow:auto;margin-top:12px;display:grid;gap:3px;padding-right:3px;scrollbar-width:thin;scrollbar-color:#496c57 transparent}.chapter-link{border:0;background:transparent;color:#b8cbbd;text-align:left;padding:9px;border-radius:8px;display:flex;gap:11px;align-items:center;cursor:pointer;font:500 11px 'DM Sans';line-height:1.35}.chapter-link:hover,.chapter-link.active{background:#285242;color:white}.chapter-number{color:#9eb66e;font:700 10px 'Manrope';width:20px}.chapter-link.done .chapter-number{color:#d5ed82}.sidebar-bottom{margin-top:auto;border-top:1px solid #426252;padding:17px 9px 0;position:relative}.sidebar-bottom p{font:500 12px 'Manrope';max-width:170px;line-height:1.5;margin:3px 0 16px;color:#e2ecde}.sidebar-bottom small{font-size:8px;letter-spacing:.14em;color:#91ad9a}.progress-line{height:4px;background:#426252;border-radius:5px;margin:8px 0}.progress-line span{display:block;width:0;height:100%;background:#d5ed82;border-radius:5px;transition:width .4s}.sidebar-bottom b{font-size:9px;color:#d3e3d2;font-weight:500}.leaf-illustration{position:absolute;right:11px;top:12px;color:#c9e66e;font-size:15px;transform:rotate(-25deg)}.leaf-illustration span:nth-child(2){position:absolute;top:10px;left:9px;color:#83b77a}.leaf-illustration span:nth-child(3){position:absolute;top:-8px;left:13px;color:#e6bc6a}.main-area{margin-left:258px;min-height:100vh;padding:0 40px;position:relative}.topbar{height:74px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #e5e5da}.breadcrumbs{display:flex;align-items:center;gap:10px;font-size:9px;letter-spacing:.1em;color:#9aa295;font-weight:700}.breadcrumbs i{font-style:normal;color:#c3c6b9}.breadcrumbs b{letter-spacing:0;color:#315b4b;font-size:11px}.topbar-actions{display:flex;align-items:center;gap:16px}.searchbox{height:35px;width:240px;border:1px solid #e0e2d7;background:rgba(255,255,255,.5);border-radius:8px;display:flex;align-items:center;padding:0 9px;gap:7px;color:#8a958a}.searchbox>span{font-size:20px;transform:rotate(-20deg)}.searchbox input{background:transparent;border:0;outline:0;min-width:0;width:100%;font:11px 'DM Sans';color:var(--ink)}.searchbox input::placeholder{color:#99a096}.searchbox kbd{white-space:nowrap;font:9px 'DM Sans';border:1px solid #e0e2d7;border-radius:4px;padding:3px;color:#a0a89b}.avatar{width:32px;height:32px;border:0;border-radius:50%;background:#d6e9a4;color:#31543c;font:700 11px 'Manrope'}.mobile-menu{display:none}.view{display:none;max-width:1240px;margin:auto;padding:26px 0 50px}.view.active{display:block}.site-footer{display:flex;justify-content:space-between;max-width:1240px;margin:0 auto;padding:17px 0 24px;border-top:1px solid var(--line);font-size:9px;color:#9aa194}.site-footer span:first-child{letter-spacing:.13em;font-weight:700;color:#6f8470}.hero{min-height:275px;border-radius:17px;background:#dce8ba;position:relative;overflow:hidden;padding:36px 41px;display:flex;align-items:center}.hero-copy{position:relative;z-index:2;max-width:590px}.eyebrow{font-size:9px;letter-spacing:.15em;font-weight:700;color:#657e4e}.hero h1{font:800 clamp(30px,4vw,48px)/1.06 'Manrope',sans-serif;letter-spacing:-.045em;max-width:550px;margin:15px 0 12px;color:#173b31}.hero p{color:#496652;line-height:1.7;max-width:490px;margin:0 0 22px;font-size:12px}.button-primary,.button-secondary{border:0;border-radius:7px;padding:11px 16px;background:#153c31;color:#f8f7ee;font:600 11px 'DM Sans';cursor:pointer;transition:.2s}.button-primary:hover{background:#285a43;transform:translateY(-1px)}.button-secondary{background:#e9eddf;color:#375444;border:1px solid #dfe4d4}.hero-art{position:absolute;right:4%;top:0;width:315px;height:100%;display:grid;place-items:center}.hero-orbit{position:absolute;width:240px;height:240px;border:1px solid rgba(50,91,71,.23);border-radius:50%}.hero-orbit:before,.hero-orbit:after{content:'';position:absolute;border:1px solid rgba(50,91,71,.2);border-radius:50%;inset:22px}.hero-orbit:after{inset:-22px}.hero-sequence{position:relative;width:148px;height:185px;background:#f6f3e8;border-radius:72px 72px 70px 70px;box-shadow:12px 15px 0 rgba(57,99,64,.15);display:flex;align-items:center;justify-content:center;gap:12px;transform:rotate(12deg);border:5px solid #fdfbf4}.helix{height:128px;width:36px;border-radius:50%;border-left:4px solid #388364;border-right:4px solid #d77d4c;position:relative}.helix:before{content:'';position:absolute;inset:4px -6px;background:repeating-linear-gradient(to bottom,transparent 0 8px,#b9cf76 8px 11px,transparent 11px 18px);border-radius:50%}.helix:nth-child(2){transform:scaleX(-1);border-color:#d77d4c #388364}.spark{position:absolute;color:#e49f3d;font-size:21px}.spark.one{top:37px;left:25px}.spark.two{right:33px;bottom:42px;color:#478568;font-size:15px}.hero-chip{position:absolute;background:#fffefa;border:1px solid #e6e7d8;box-shadow:0 8px 22px #647b4b20;border-radius:8px;padding:9px 11px;font-size:9px;font-weight:700;letter-spacing:.04em}.hero-chip.top{top:38px;right:8px}.hero-chip.bottom{left:2px;bottom:35px}.hero-chip span{color:#82a452;margin-right:5px}.section-head{display:flex;align-items:end;justify-content:space-between;margin:31px 0 14px}.section-head h2{margin:0;font:700 18px 'Manrope';letter-spacing:-.03em}.section-head p{margin:5px 0 0;color:#879186;font-size:10px}.text-link{border:0;background:transparent;color:#62824d;font:700 10px 'DM Sans';cursor:pointer}.learning-layout{display:grid;grid-template-columns:minmax(0,1fr) 286px;gap:18px}.course-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.course-card{min-height:145px;padding:17px;background:#fffefa;border:1px solid #ebecdf;border-radius:11px;cursor:pointer;transition:.18s;position:relative;overflow:hidden}.course-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#cbd8b1}.card-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:17px}.card-num{font:700 9px 'Manrope';letter-spacing:.12em;color:#819467}.card-mark{width:27px;height:27px;border-radius:8px;background:#edf3dc;color:#5f824e;display:grid;place-items:center;font-size:13px}.course-card h3{font:700 13px/1.35 'Manrope';margin:0 0 7px;max-width:85%}.course-card p{font-size:10px;line-height:1.5;color:#858e81;margin:0;max-width:90%}.card-progress{height:3px;background:#edf0e6;position:absolute;bottom:0;left:0;right:0}.card-progress span{display:block;height:100%;background:#aac965}.right-rail{display:grid;align-content:start;gap:12px}.rail-card{border-radius:11px;background:#fffefa;border:1px solid #ebecdf;padding:17px}.rail-card.dark{background:#214d3c;color:#f3f4e8;border:0;min-height:184px;position:relative;overflow:hidden}.rail-card h3{font:700 12px 'Manrope';margin:0 0 5px}.rail-card p{font-size:10px;color:#8c9689;line-height:1.55;margin:0}.rail-card.dark p{color:#c3d5c2;max-width:190px}.rail-card .eyebrow{color:#bed66e;font-size:8px}.rail-stat{font:800 30px 'Manrope';margin:16px 0 2px}.rail-ornament{position:absolute;right:-14px;bottom:-31px;width:120px;height:120px;border:1px solid #64846b;border-radius:50%}.rail-ornament:before,.rail-ornament:after{content:'';position:absolute;inset:12px;border:1px solid #64846b;border-radius:50%}.rail-ornament:after{inset:25px}.continue-row{display:flex;align-items:center;gap:10px;margin-top:14px;padding-top:13px;border-top:1px solid #edf0e6;cursor:pointer}.continue-icon{width:33px;height:33px;border-radius:9px;background:#eef2df;color:#66834c;display:grid;place-items:center}.continue-row b{font:700 10px 'Manrope';display:block}.continue-row small{display:block;color:#9aa193;font-size:9px;margin-top:3px}.continue-row .arrow{margin-left:auto;color:#82956e}.chapter-hero{border-radius:15px;padding:29px 32px;background:#e0e9c6;position:relative;overflow:hidden}.chapter-hero .eyebrow{display:flex;gap:9px;align-items:center}.chapter-hero h1{font:800 31px/1.15 'Manrope';letter-spacing:-.04em;max-width:740px;margin:12px 0}.chapter-hero p{font-size:12px;line-height:1.65;color:#526b55;max-width:680px;margin:0}.chapter-tools{display:flex;align-items:center;gap:9px;margin-top:20px}.chapter-stat{margin-left:auto;color:#738269;font-size:10px}.reader-layout{display:grid;grid-template-columns:210px minmax(0,1fr);gap:28px;margin-top:23px}.toc{position:sticky;top:20px;align-self:start;max-height:calc(100vh - 130px);overflow:auto;padding:8px 4px 8px 0}.toc-title{font-size:8px;letter-spacing:.15em;color:#929b8e;font-weight:700;padding:0 8px 12px}.toc-link{display:block;width:100%;text-align:left;padding:7px 8px;border:0;background:transparent;border-radius:6px;color:#728074;font:500 10px/1.4 'DM Sans';cursor:pointer}.toc-link:hover,.toc-link.active{background:#e7ecdb;color:#315b43}.lesson-content{min-width:0}.lesson-intro{border-bottom:1px solid var(--line);padding:2px 0 20px;margin-bottom:15px}.lesson-intro h2{font:700 17px 'Manrope';margin:0 0 9px}.lesson-intro p{font-size:12px;line-height:1.7;color:#68796a;margin:0}.lesson-section{margin-bottom:9px;background:#fffefa;border:1px solid #ebecdf;border-radius:9px;overflow:hidden}.lesson-section summary{list-style:none;cursor:pointer;padding:14px 16px;display:flex;align-items:center;gap:9px;font:700 11px/1.45 'Manrope';color:#315541}.lesson-section summary::-webkit-details-marker{display:none}.lesson-section summary:after{content:'＋';margin-left:auto;color:#91a474;font-size:15px}.lesson-section[open] summary:after{content:'−'}.lesson-section summary .secno{color:#96aa70;font-size:9px;letter-spacing:.06em}.section-body{padding:0 16px 16px;font:400 12px/1.8 'DM Sans';color:#596c5d}.section-body p{margin:0 0 11px}.section-body p:last-child{margin-bottom:0}.section-body strong{color:#315641}.section-body ul{padding-left:18px}.section-body table{border-collapse:collapse;width:100%;font-size:10px}.section-body td,.section-body th{padding:7px;border:1px solid #e5e9dc;text-align:left}.empty-chapter{padding:23px;background:#fffefa;border:1px solid #ebecdf;border-radius:10px;color:#6e7a6d;font-size:11px;line-height:1.7}.quiz-wrap{max-width:820px;margin:0 auto}.quiz-head{background:#214d3c;border-radius:14px;padding:28px 31px;color:#f5f5e9;position:relative;overflow:hidden}.quiz-head .eyebrow{color:#d1e788}.quiz-head h1{font:800 30px 'Manrope';margin:10px 0 7px}.quiz-head p{font-size:11px;color:#c5d5c5;margin:0;line-height:1.6}.quiz-count{position:absolute;right:28px;top:30px;font:700 10px 'Manrope';color:#d3e991}.quiz-progress{height:3px;background:#496c58;border-radius:4px;margin-top:20px}.quiz-progress span{display:block;width:0;height:100%;background:#d5ed82;transition:width .3s}.quiz-card{background:#fffefa;border:1px solid #e9ebdf;border-radius:12px;padding:25px;margin-top:14px}.quiz-category{font-size:8px;letter-spacing:.14em;color:#82965f;font-weight:700}.quiz-question{font:700 17px/1.45 'Manrope';margin:11px 0 19px}.answers{display:grid;gap:8px}.answer{border:1px solid #e3e7db;border-radius:8px;background:#fffefa;text-align:left;padding:12px 14px;font:500 11px/1.5 'DM Sans';color:#46614c;cursor:pointer;transition:.15s}.answer:hover{border-color:#a9c276;background:#f7f8ef}.answer.selected{border-color:#7ca35a;background:#edf4dd}.answer.correct{border-color:#77a773;background:#e8f4e4}.answer.wrong{border-color:#d6886f;background:#fbede7}.feedback{min-height:22px;padding-top:12px;color:#6e8069;font-size:10px}.quiz-controls{display:flex;justify-content:space-between;align-items:center;margin-top:15px}.quiz-controls span{font-size:9px;color:#929b8f}.result-box{text-align:center;padding:30px 20px}.result-box .score{font:800 50px 'Manrope';color:#4e7747}.result-box h2{font:700 20px 'Manrope'}.result-box p{font-size:11px;color:#7c897b;line-height:1.6}.search-results{position:absolute;top:62px;right:91px;width:min(430px,calc(100vw - 300px));max-height:65vh;overflow:auto;z-index:8;background:#fffefa;border:1px solid #e4e6da;box-shadow:var(--shadow);border-radius:10px;padding:8px}.search-results.hidden{display:none}.search-result{display:block;width:100%;border:0;border-radius:7px;background:transparent;text-align:left;padding:10px;cursor:pointer}.search-result:hover{background:#f0f3e8}.search-result b{font:700 10px 'Manrope';display:block;color:#315641}.search-result small{font-size:9px;color:#899387;display:block;margin-top:3px;line-height:1.4}.no-results{padding:14px;color:#788577;font-size:10px}.hidden{display:none!important}
@media(max-width:1050px){.main-area{padding:0 25px}.sidebar{width:235px}.main-area{margin-left:235px}.learning-layout{grid-template-columns:minmax(0,1fr) 245px}.hero-art{right:0;transform:scale(.87)}.reader-layout{grid-template-columns:170px minmax(0,1fr);gap:18px}}@media(max-width:780px){.sidebar{transform:translateX(-100%);transition:transform .25s;width:270px}.sidebar.open{transform:translateX(0);box-shadow:20px 0 60px #152b2144}.main-area{margin-left:0;padding:0 18px}.topbar{height:62px}.mobile-menu{display:block;border:0;background:transparent;color:#42614b;font-size:18px;margin-right:10px}.breadcrumbs{margin-right:auto}.topbar-actions{gap:8px}.searchbox{width:34px;padding:0 8px;border:0;background:transparent}.searchbox input,.searchbox kbd{display:none}.searchbox:focus-within{position:absolute;right:58px;width:min(250px,60vw);background:#fffefa;border:1px solid #dce1d2;z-index:4}.searchbox:focus-within input{display:block}.hero{padding:28px 25px;min-height:275px}.hero-copy{max-width:75%}.hero-art{right:-84px;opacity:.45;transform:scale(.72)}.hero h1{font-size:34px}.hero p{font-size:11px}.learning-layout{grid-template-columns:1fr}.right-rail{grid-template-columns:1fr 1fr}.course-grid{gap:9px}.course-card{padding:13px;min-height:145px}.reader-layout{grid-template-columns:1fr}.toc{position:static;max-height:none;display:flex;overflow:auto;gap:4px;padding:0 0 8px}.toc-title{display:none}.toc-link{white-space:nowrap;width:auto;flex-shrink:0;background:#e9eddf}.chapter-hero{padding:24px}.chapter-hero h1{font-size:25px}.site-footer{gap:12px;font-size:8px}.search-results{right:50px;width:calc(100vw - 70px)}}@media(max-width:480px){.main-area{padding:0 13px}.hero{min-height:260px;padding:24px 19px}.hero-copy{max-width:100%}.hero-art{right:-128px;opacity:.23}.hero h1{font-size:30px;max-width:280px}.hero p{max-width:300px}.section-head h2{font-size:16px}.section-head{margin-top:25px}.course-grid{grid-template-columns:1fr}.course-card{min-height:125px}.card-top{margin-bottom:10px}.right-rail{grid-template-columns:1fr}.chapter-hero h1{font-size:22px}.chapter-tools{flex-wrap:wrap}.chapter-stat{width:100%;margin:3px 0 0}.quiz-head{padding:22px}.quiz-head h1{font-size:24px}.quiz-count{right:18px;top:24px}.quiz-card{padding:19px}.quiz-question{font-size:15px}.site-footer{display:block;line-height:1.8}.site-footer span{display:block}}
/* Tables extracted from the source manuscript */
.table-scroll{max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;margin:14px 0 18px;border:1px solid #dfe5d8;border-radius:8px;background:#fffefa;overscroll-behavior-inline:contain}.table-scroll:focus-visible{outline:2px solid #89a75e;outline-offset:2px}.section-body .table-scroll table{width:max-content;min-width:100%;border-collapse:separate;border-spacing:0;font-size:10px;line-height:1.55}.section-body .table-scroll th,.section-body .table-scroll td{min-width:120px;max-width:300px;padding:9px 11px;border-right:1px solid #e5e9dc;border-bottom:1px solid #e5e9dc;vertical-align:top;text-align:left;white-space:normal}.section-body .table-scroll th{background:#edf2df;color:#315641;font-weight:700}.section-body .table-scroll thead th{position:sticky;top:0;background:#e7edd5}.section-body .table-scroll tbody th{font-weight:600;background:#f7f8f1}.section-body .table-scroll tr:last-child>*{border-bottom:0}.section-body .table-scroll tr>*:last-child{border-right:0}
.formula-card{margin:14px 0 18px;padding:20px 16px;border:1px solid #dfe5d8;border-radius:8px;background:#f6f8ef;overflow-x:auto;text-align:center}.formula-expression{display:inline-flex;align-items:center;gap:10px;color:#244d3c;font:500 20px/1.35 'Cambria Math','Times New Roman',serif;white-space:nowrap}.formula-fraction{display:inline-flex;flex-direction:column;align-items:stretch;text-align:center;line-height:1.35}.formula-top{padding:0 9px 4px;border-bottom:1.5px solid #426b50}.formula-bottom{padding:4px 9px 0}@media(max-width:480px){.formula-card{padding:16px 10px}.formula-expression{font-size:17px}}
.math-display{min-width:max-content;color:#244d3c;font-size:1.08rem}.math-display mjx-container{margin:0!important}