:root{--bg:#fff;--nav:#f5f7f3;--ink:#182925;--muted:#66736c;--green:#285849;--green-dark:#183d33;--lime:#dce8b9;--line:#e3e8e1;--soft:#f4f7f1;--amber:#8a6219;--font:16px;--sidebar:236px;--ease:180ms ease}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:96px}body{margin:0;background:var(--bg);color:var(--ink);font-family:"Noto Sans Thai","Noto Looped Thai","Thonburi","Leelawadee UI",Tahoma,system-ui,sans-serif;font-size:15px;line-height:1.8;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button,a,input,select,textarea{touch-action:manipulation}button{cursor:pointer}button:disabled{opacity:.6;cursor:wait}a,button{transition:background var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease)}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #759f73;outline-offset:4px}button{border:0;background:none;color:inherit}input,select,textarea{min-width:0}h1,h2,h3,p{margin:0}h1,h2,h3{line-height:1.45;letter-spacing:-.025em}h1{font-size:38px;font-weight:650}h2{font-size:24px;font-weight:600}h3{font-size:20px;font-weight:600}p{color:var(--muted)}strong{font-weight:650}small{font-size:12px}.icon{width:20px;height:20px;flex:none;vertical-align:middle;display:inline-block}.muted{color:var(--muted)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}[hidden]{display:none!important}.skip-link{position:fixed;top:-100px;left:20px;background:var(--green-dark);color:white;padding:10px 20px;z-index:100}.skip-link:focus{top:8px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:46px;padding:10px 18px;border:1px solid var(--line);border-radius:7px;background:#fff;font-size:14px;font-weight:550;white-space:normal;line-height:1.65}.btn:hover{background:var(--soft);border-color:#aabcab}.btn.primary{background:var(--green);color:#fff;border-color:var(--green)}.btn.primary:hover{background:var(--green-dark)}.btn.light{background:var(--lime);color:var(--green-dark);border-color:var(--lime)}.btn.small{padding:7px 12px;min-height:36px;font-size:13px}.btn.danger{color:#9b3933;border-color:#e7cac6}.btn[aria-pressed=true]{background:#eaf1df;border-color:#a5bc87;color:var(--green-dark)}.btn[aria-pressed=true] .icon{fill:#bed28b44}.icon-btn{width:38px;height:38px;border-radius:6px;display:inline-flex;align-items:center;justify-content:center;flex:none}.icon-btn:hover,.icon-btn[aria-pressed=true]{background:#e4eddd;color:var(--green-dark)}.icon-btn[aria-pressed=true] svg{fill:#c4d995}.button-row{display:flex;align-items:center;flex-wrap:wrap;gap:12px}.text-link{display:inline-flex;align-items:center;gap:8px;color:var(--green);font-size:14px;font-weight:550}.text-link:hover{text-decoration:underline;text-underline-offset:4px}.text-link .icon{width:17px;height:17px}
/* Persistent reading shell. */
.sidebar{position:fixed;left:0;top:0;bottom:0;width:var(--sidebar);background:var(--nav);border-right:1px solid var(--line);display:flex;flex-direction:column;padding:29px 17px 20px;z-index:25;overflow:auto}.brand{display:flex;align-items:center;gap:10px;margin:0 12px 38px;line-height:1.25}.brand-mark{display:grid;place-items:center;background:var(--green);color:var(--lime);width:39px;height:39px;border-radius:10px}.brand-mark .icon{width:23px;height:23px;fill:currentColor;stroke-width:0}.brand-type{font-family:Arial,system-ui,sans-serif;font-size:16px;font-weight:750;letter-spacing:.035em}.brand-type>span{display:block;font-size:11px;letter-spacing:.23em;color:var(--muted);margin-top:3px}.sidebar-label{font-size:11px;color:#7c887e;margin:0 14px 12px}.sidebar nav{display:flex;flex-direction:column;gap:4px}.nav-link{display:flex;align-items:center;gap:12px;padding:11px 13px;border-radius:6px;color:#5e6c62;font-size:13px;line-height:1.6;min-height:42px}.nav-link:hover{background:#eaf0e4}.nav-link.active{background:var(--green);color:#fff;font-weight:600}.nav-link .icon{width:19px;height:19px}.sidebar-bottom{margin-top:auto;padding:27px 10px 0;font-size:12px}.edition{display:flex;gap:9px;border-top:1px solid var(--line);padding-top:20px;align-items:flex-start}.edition strong{display:block;font-family:Arial,sans-serif;font-size:11px;line-height:1.6}.edition span{color:var(--muted);font-size:11px}.sidebar-bottom>small{display:block;margin-top:10px;color:#738072;font-size:10px}.sidebar-download{display:flex;align-items:center;justify-content:space-between;margin-top:14px;border:1px solid #d9e0d1;border-radius:5px;padding:8px 9px;color:var(--green)}.sidebar-download:hover{background:#e5eddc}.sidebar-download .icon{width:15px;height:15px}.site-main{margin-left:var(--sidebar)}.topbar{height:74px;position:sticky;top:0;background:#ffffffed;backdrop-filter:blur(12px);z-index:20;display:flex;align-items:center;justify-content:space-between;padding:0 44px;border-bottom:1px solid var(--line);gap:20px}.topbar-title{color:var(--muted);font-size:12px}.topbar-left,.topbar-actions{display:flex;align-items:center;gap:20px}.topbar-work{font-size:12px;display:flex;align-items:center;gap:9px}.topbar-work .icon{width:16px;height:16px}.search-trigger{display:flex;align-items:center;gap:9px;color:var(--muted);background:#f6f8f4;padding:7px 10px;border:1px solid var(--line);border-radius:6px;min-width:214px;font-size:12px}.search-trigger .icon{width:16px;height:16px}.search-trigger kbd{margin-left:auto}kbd{background:#fff;border:1px solid var(--line);border-radius:3px;font-size:10px;padding:1px 4px;line-height:1.7;font-family:Arial,sans-serif}.mobile-menu{display:none}.main-content{max-width:1360px;margin:0 auto;padding:40px 48px 62px;min-height:calc(100vh - 240px);outline:none}.main-content[data-kind=home]{padding-top:32px}.page-intro{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:30px}.page-intro h1{font-size:34px;margin-bottom:8px}.page-intro p{font-size:15px;max-width:720px}.section{margin-top:48px}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:23px}.section-heading h2{font-size:23px}.section-heading p{margin-top:5px;font-size:13px}.section-note{font-size:12px;line-height:1.9;margin:12px 0 22px}.small-label{font-size:10px;letter-spacing:.1em;color:var(--green);font-family:Arial,sans-serif;font-weight:600}.notice{display:flex;align-items:flex-start;gap:12px;padding:17px 19px;margin:22px 0;background:#f4f6ed;border-left:3px solid #b6c890;border-radius:0 5px 5px 0;font-size:13px;color:#56644e;line-height:1.85}.notice .icon{margin-top:2px;width:18px;height:18px}.notice.compact{background:#fcf7ed;border-color:#d8bf85;font-size:12px}.notice.compact span{color:#6d5b36}
/* Home / editorial rhythm */
.hero{display:grid;grid-template-columns:1.25fr .75fr;gap:36px;align-items:center;padding:27px 0 31px;min-height:450px}.hero-copy h1{font-size:clamp(36px,3.1vw,53px);line-height:1.5;font-weight:650;letter-spacing:-.045em}.hero-copy h1 span{color:var(--green)}.hero-copy>p{font-size:15px;max-width:510px;line-height:2;margin-top:18px;margin-bottom:27px}.hero-proof{display:flex;gap:35px;margin-top:34px}.hero-proof>div{display:flex;flex-direction:column}.hero-proof strong{font-family:Arial,sans-serif;font-size:26px;line-height:1.3;font-weight:550}.hero-proof span{font-size:10px;color:var(--muted);margin-top:5px}.hero-book{position:relative;display:flex;align-items:center;justify-content:center;flex-direction:column;min-height:380px}.hero-book:before{content:"";position:absolute;width:100%;height:84%;background:#f0f3eb;border-radius:8px;z-index:0;bottom:26px}.hero-book>a{display:block;z-index:1;transform:rotate(3deg);width:68%;max-width:240px;transition:transform .3s}.hero-book>a:hover{transform:rotate(0) translateY(-3px)}.hero-book img{width:100%;height:auto;display:block;box-shadow:8px 16px 20px #223d2c18,-1px 0 1px #d2d9cd;border:1px solid #e0e5db}.book-caption{position:relative;z-index:1;margin-top:26px;font-size:10px;color:var(--muted);letter-spacing:.02em}.evidence-strip{display:flex;align-items:center;gap:10px;padding:13px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-size:12px;color:var(--muted)}.evidence-strip>.icon{color:var(--green);width:17px}.evidence-strip .text-link{margin-left:auto;font-size:11px}.path-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.path-card{display:block;border:1px solid var(--line);border-radius:8px;padding:22px 22px 19px;transition:transform .2s,border-color .2s}.path-card:hover{border-color:#98b393;transform:translateY(-3px)}.path-index{display:block;font-size:12px;line-height:1;color:var(--green);font-family:Arial,sans-serif;margin-bottom:16px}.path-card h3{font-size:18px;margin-bottom:10px}.path-card p{font-size:12px;line-height:1.9;min-height:46px}.path-link{display:flex;align-items:center;justify-content:space-between;margin-top:18px;font-size:12px;font-weight:600;color:var(--green)}.path-link .icon{width:17px;height:17px}.knowledge-band{background:#f6f8f3;border-radius:8px;display:grid;grid-template-columns:.8fr 1.2fr;gap:30px;padding:31px 29px}.knowledge-intro h2{font-size:27px;margin:13px 0;line-height:1.5}.knowledge-intro p{font-size:12px;max-width:235px;line-height:1.9;margin-bottom:16px}.knowledge-row{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:17px 0;border-bottom:1px solid #e1e7db}.knowledge-row:first-child{padding-top:0}.knowledge-row:last-child{padding-bottom:0;border-bottom:0}.knowledge-row span{font-size:10px;color:var(--muted)}.knowledge-row h3{font-size:16px;margin:3px 0}.knowledge-row p{font-size:11px}.knowledge-row>.icon{width:17px;height:17px;color:var(--green)}.knowledge-row:hover h3{text-decoration:underline;text-underline-offset:4px}.start-lab{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:28px 0;display:grid;grid-template-columns:.8fr 1.2fr;gap:34px}.lab-title>span{font-size:11px;color:var(--muted)}.lab-title h3{font-family:Arial,sans-serif;font-size:25px;margin:7px 0}.lab-title p{font-size:12px;margin-bottom:15px}.story-strip{margin:0;padding:0;display:flex;align-items:center;justify-content:space-between;gap:15px;list-style:none}.story-strip li{flex:1;border-left:1px solid var(--line);padding-left:17px}.story-strip span{display:block;font-family:Arial,sans-serif;font-size:27px;color:#a0b09d;margin-bottom:9px}.story-strip strong{font-size:13px;display:block}.story-strip p{font-size:11px;margin-top:5px}.utility-row{display:grid;grid-template-columns:1fr 1fr;gap:23px}.utility-link{display:flex;gap:17px;align-items:center;padding:22px;border:1px solid var(--line);border-radius:6px}.utility-link>.icon:first-child{width:30px;height:30px;color:var(--green)}.utility-link>.icon:last-child{margin-left:auto}.utility-link h3{font-size:16px}.utility-link p{font-size:11px;margin-top:6px}.utility-link:hover{background:var(--soft)}
/* Library and reader */
.learning-progress{display:flex;align-items:center;gap:30px;padding:17px 22px;background:var(--soft);border-radius:6px;margin-bottom:30px;font-size:12px}.learning-progress strong{margin-left:12px}.learning-progress progress{width:180px;height:6px;accent-color:var(--green)}progress{border:0;border-radius:6px;background:#e0e8d8}progress::-webkit-progress-bar{background:#e0e8d8;border-radius:6px}progress::-webkit-progress-value{background:var(--green);border-radius:6px}.chapter-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 34px}.chapter-card{display:flex;gap:20px;align-items:center;padding:24px 0;border-bottom:1px solid var(--line)}.chapter-number{font-family:Arial,sans-serif;font-size:30px;color:#a9b7a6;min-width:39px;line-height:1}.chapter-card h2{font-size:19px;margin-bottom:5px}.chapter-card p{font-size:12px}.chapter-card small{display:block;color:var(--muted);font-size:10px;margin-top:5px}.chapter-card>.icon{margin-left:auto;color:var(--green);width:17px}.chapter-card:hover h2{color:var(--green)}.appendix-list{display:grid;grid-template-columns:1fr 1fr;gap:8px 28px}.appendix-list a{display:flex;justify-content:space-between;gap:10px;padding:10px 0;border-bottom:1px solid var(--line);font-size:12px}.appendix-list a .icon{width:15px}.chapter-summary{display:flex;gap:22px;font-size:12px;color:var(--muted);padding-bottom:18px;border-bottom:1px solid var(--line)}.lesson-row{display:flex;gap:21px;padding:21px 0;border-bottom:1px solid var(--line);align-items:center}.row-number{font-family:Arial,sans-serif;color:#91a48c;font-size:17px;min-width:30px}.row-copy{min-width:0}.row-copy strong{display:block;font-size:17px;font-weight:550}.row-copy>span{display:block;font-size:11px;color:var(--muted);margin-top:5px}.lesson-row>.icon{width:18px;height:18px;margin-left:auto;color:var(--green)}.lesson-row:hover .row-copy strong{color:var(--green)}.lesson-row.is-complete .row-number{color:var(--green)}.lesson-row.is-complete .row-number:after{content:" ·"}.breadcrumbs{display:flex;gap:8px;align-items:center;font-size:12px;color:var(--muted);margin-bottom:28px}.breadcrumbs .icon{width:13px;height:13px}.breadcrumbs a:hover{color:var(--green)}.reader-grid{display:grid;grid-template-columns:minmax(0,760px) minmax(150px,210px);gap:48px;align-items:start}.reader{min-width:0;max-width:790px}.article-label{font-size:12px;color:var(--green);margin-bottom:12px}.reader h1{font-size:34px;font-weight:620;line-height:1.6;letter-spacing:-.02em}.article-meta{display:flex;flex-wrap:wrap;gap:15px;font-size:11px;color:var(--muted);margin-top:13px;margin-bottom:25px}.article-meta>a{color:var(--green);text-decoration:underline;text-underline-offset:3px}.reader-toolbar{display:flex;align-items:center;gap:8px;flex-wrap:wrap;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:14px 0;margin:10px 0 29px}.font-controls{margin-left:auto;display:flex;gap:4px}.font-controls button{width:33px;height:33px;font-size:14px;border:1px solid var(--line);border-radius:4px}.font-controls button:hover{background:var(--soft)}.article-body{font-size:var(--font);line-height:2.1;overflow-wrap:break-word}.article-body p{margin:0 0 21px;color:#35473e}.article-body h2{font-size:23px;line-height:1.6;margin:33px 0 16px;scroll-margin-top:98px}.article-body h3{font-size:19px;margin:25px 0 13px;scroll-margin-top:98px}.article-body strong{color:var(--ink)}.article-body ul,.article-body ol{padding-left:26px;margin:0 0 22px;color:#35473e}.article-body li{padding:3px 0}.article-body blockquote{margin:25px 0;border-left:3px solid #a5bc82;background:#f4f7ef;padding:17px 21px;font-size:14px;line-height:2;color:#445740}.article-body blockquote p:last-child{margin-bottom:0}.article-body code:not(pre code){font-family:Consolas,monospace;font-size:.85em;background:var(--soft);padding:2px 4px;border-radius:3px;overflow-wrap:anywhere}.article-body a:not(.citation){text-decoration:underline;text-underline-offset:3px;color:var(--green);overflow-wrap:anywhere}.citation{display:inline;color:var(--green);font-size:.8em;font-weight:600;padding:1px 3px;white-space:nowrap}.citation:hover{background:#e5eed8;border-radius:3px}.table-scroll{overflow-x:auto;margin:24px 0;border:1px solid var(--line);border-radius:6px;max-width:100%}table{border-collapse:collapse;width:100%;font-size:13px;line-height:1.9}thead{background:#edf2e7;text-align:left}th{font-weight:650;color:var(--green-dark)}th,td{padding:13px 15px;border-bottom:1px solid var(--line);vertical-align:top;text-align:left}tr:last-child td{border-bottom:0}td:first-child{min-width:125px}td{color:#3e5045}tbody tr:nth-child(even){background:#fbfcf9}.code-block{position:relative;margin:20px 0;background:#182d28;border-radius:6px}.code-block pre{margin:0;padding:53px 20px 20px;white-space:pre-wrap;overflow-wrap:anywhere;font-size:12px;line-height:1.9;color:#e9efdf}.copy-code{position:absolute;right:10px;top:10px;color:#eaf2d8;font-size:11px;padding:4px 9px;border:1px solid #647462;border-radius:3px}.article-toc{position:sticky;top:110px;border-left:1px solid var(--line);padding-left:20px}.toc-label{display:block;font-size:11px;color:var(--green);font-weight:600;margin-bottom:12px}.article-toc>a{font-size:11px;line-height:1.9;display:block;color:var(--muted);margin-bottom:12px}.article-toc>a:hover{color:var(--green)}.toc-tip{margin-top:30px;padding-top:20px;border-top:1px solid var(--line);color:#657860}.toc-tip p{font-size:10px;line-height:1.9;margin-top:9px}.toc-tip .icon{width:16px;height:16px}.article-sources{border-top:1px solid var(--line);padding-top:23px;margin-top:35px}.article-sources h2{font-size:18px}.article-sources p{font-size:12px;margin:8px 0 15px}.source-chip{display:inline-flex;margin:0 5px 7px 0;background:#f1f5ea;padding:3px 10px;border:1px solid var(--line);font-size:11px;border-radius:4px;color:var(--green)}.notes-section{margin:30px 0;padding:23px;background:#f6f8f3;border-radius:7px}.notes-section label{font-weight:600;font-size:16px;display:block}.notes-section p{font-size:11px;margin:4px 0 14px}.notes-section textarea{width:100%;border:1px solid #d9e1d2;background:#fff;border-radius:5px;padding:12px;resize:vertical;color:var(--ink);font-size:14px;line-height:1.9}.save-status{font-size:10px;color:var(--muted);display:block;margin-top:7px}.reader-next{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:35px}.reader-next a{border-top:1px solid var(--line);padding-top:13px}.reader-next small{display:block;color:var(--muted);margin-bottom:7px;font-size:10px}.reader-next strong{display:block;font-size:13px;line-height:1.9}.reader-next a:last-child{text-align:right}.reader-next .icon{width:14px;height:14px;margin-left:4px}.date-banner{display:flex;align-items:center;gap:16px;padding:23px;background:var(--soft);margin-bottom:23px;border-radius:6px}.date-banner strong{display:block;font-size:14px}.date-banner span{display:block;font-size:11px;color:var(--muted);margin-top:5px}.date-banner>.text-link{margin-left:auto;font-size:12px;white-space:nowrap}
/* Prompt library */
.filter-toolbar{display:flex;gap:20px;align-items:center;justify-content:space-between;margin:26px 0 16px}.input-search{display:flex;align-items:center;gap:11px;border:1px solid var(--line);border-radius:6px;padding:10px 13px;min-width:200px;width:440px;max-width:100%;background:#fff}.input-search .icon{color:var(--muted);width:18px;height:18px}.input-search input{width:100%;border:0;outline:none!important;font-size:13px;background:transparent;color:var(--ink)}[data-filter-count]{font-size:12px;color:var(--muted);white-space:nowrap}.filter-tabs{display:flex;gap:7px;flex-wrap:wrap}.filter-tab{padding:7px 14px;border:1px solid var(--line);border-radius:5px;font-size:12px}.filter-tab:hover{background:var(--soft)}.filter-tab.active{color:#fff;background:var(--green);border-color:var(--green)}.prompt-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:26px}.prompt-card{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:7px;padding:19px 20px 15px;min-width:0}.prompt-card:hover{border-color:#a4b79a;box-shadow:0 5px 18px #233e2306}.card-top{display:flex;gap:10px;align-items:center;margin-bottom:13px}.card-top .muted{font-size:10px}.card-top .icon-btn{margin-left:auto;width:28px;height:28px}.card-top .icon{width:16px;height:16px}.prompt-id{font-family:Consolas,monospace;background:#edf2e5;color:var(--green);padding:1px 6px;border-radius:4px;font-size:12px}.prompt-card h2{font-size:17px;line-height:1.6;margin-bottom:12px}.prompt-card p{font-size:12px;line-height:1.9;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:20px}.card-bottom{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:auto;padding-top:15px;border-top:1px solid var(--line)}.card-bottom .text-link{font-size:11px}.card-bottom .btn{font-size:11px;gap:6px}.card-bottom .icon{width:14px;height:14px}.prompt-detail{max-width:820px;margin:0 auto}.prompt-detail h1{font-size:34px}.lead{margin-top:12px;font-size:14px}.prompt-step{display:flex;gap:20px;margin:30px 0}.prompt-step>span{font-family:Arial,sans-serif;font-size:23px;color:#a0b193}.prompt-step h2{font-size:19px;margin-bottom:8px}.prompt-step p{font-size:14px;color:#415347;line-height:2}.prompt-payload{border:1px solid #ccd8c4;border-radius:8px;overflow:hidden;margin:24px 0}.payload-bar{display:flex;align-items:center;justify-content:space-between;gap:14px;background:#eaf0e2;padding:12px 18px}.payload-bar>span{font-family:Consolas,monospace;font-size:11px;color:#4e6350}.prompt-payload pre{white-space:pre-wrap;overflow-wrap:anywhere;margin:0;padding:26px;background:#f8faf5;font-size:14px;line-height:1.9;color:#2a3e30;font-family:Consolas,"Noto Sans Thai",monospace}.filter-empty{padding:35px 0}.empty-state{text-align:center;padding:30px 20px;color:var(--muted);border:1px dashed #d8e0d0;border-radius:6px}.empty-state .icon{width:24px;height:24px;margin-bottom:10px;color:#8e9d85}.empty-state h3{font-size:15px;margin-bottom:7px}.empty-state p{font-size:12px}
/* Evidence */
.sources-list{margin-top:28px}.source-card{display:flex;gap:23px;padding:25px 0;border-bottom:1px solid var(--line);scroll-margin-top:95px}.source-index{font-family:Consolas,monospace;font-size:14px;min-width:38px;color:var(--green);padding-top:1px}.source-main{min-width:0;flex:1}.source-top{display:flex;align-items:center;justify-content:space-between;gap:15px;font-size:11px;color:var(--muted);margin-bottom:9px}.source-main h2{font-size:19px;line-height:1.6;font-weight:550}.source-main h2 .icon{width:14px;height:14px;margin-left:7px}.source-main h2 a:hover{color:var(--green);text-decoration:underline;text-underline-offset:4px}.source-main>p{font-size:13px;margin:9px 0}.evidence{font-size:10px;border-radius:4px;padding:2px 7px;background:#edf3e5;color:#526c3e;white-space:nowrap}.evidence.snippet{background:#fbf0dc;color:#89611d}.source-main details{font-size:12px;color:var(--muted);margin-top:10px}.source-main summary{cursor:pointer;color:var(--green);font-size:11px}.source-main details p{margin-top:9px}.source-date{display:block;font-size:10px;color:#839077;margin-top:13px}.source-card:target{background:#f8faef;outline:8px solid #f8faef}
/* Lab */
.case-grid{display:grid;grid-template-columns:1fr 1fr;gap:23px}.case-card{border:1px solid var(--line);padding:30px;display:flex;gap:24px;border-radius:7px;background:#fafbf7}.case-number{font-size:33px;font-family:Arial,sans-serif;color:#b3c3a5;line-height:1.4}.case-card h2{font-family:Arial,sans-serif;font-size:25px;margin:10px 0}.case-card .muted{font-size:11px}.case-card p{font-size:13px;line-height:2;margin:14px 0 23px}.case-card .text-link{font-size:12px}.case-card.dark{background:var(--green-dark);color:#f0f5e4;border-color:var(--green-dark)}.case-card.dark p,.case-card.dark .muted,.case-card.dark .text-link{color:#c2cfb9}.core-selector{display:flex;flex-wrap:wrap;gap:8px}.core-choice{border:1px solid var(--line);border-radius:5px;padding:10px 14px;display:flex;gap:9px;align-items:center;font-size:12px}.core-choice>span{font-size:10px;font-family:Consolas,monospace;color:var(--muted)}.core-choice.active{background:var(--green);color:#fff;border-color:var(--green)}.core-choice.active>span{color:var(--lime)}.idea-panel{margin-top:22px;border:1px solid #d9e1cd;background:#f7f9f2;border-radius:7px;padding:28px}.idea-panel h3{font-size:24px;line-height:1.8;max-width:780px}.idea-panel p{font-size:13px;margin:12px 0 23px}
/* Calculators */
.calc-tabs{display:flex;gap:7px;border-bottom:1px solid var(--line);margin-bottom:30px;overflow:auto;padding-bottom:12px}.calc-tab{display:flex;align-items:center;gap:9px;padding:10px 15px;font-size:13px;border-radius:5px;white-space:nowrap}.calc-tab.active{background:var(--green);color:white}.calc-tab:hover:not(.active){background:var(--soft)}.calc-tab .icon{width:17px;height:17px}.calc-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:35px;align-items:start}.form-heading{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:20px}.form-heading h2{font-size:20px}.form-heading .text-link{font-size:11px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px 17px}.form-field{display:block;font-size:12px;min-width:0}.form-field>span{display:block;color:#52604f;margin-bottom:7px}.form-field>select,.form-field>input,.field-control{width:100%;border:1px solid #d9e0d3;min-height:45px;border-radius:5px;background:#fff}.form-field>select{padding:9px 11px;color:var(--ink)}.field-control{display:flex;align-items:center}.field-control input{border:0;min-width:0;width:100%;padding:11px;outline-offset:-2px;background:transparent;font-size:14px;color:var(--ink)}.field-control>span{font-size:11px;white-space:nowrap;color:var(--muted);padding-right:10px}form>.form-field{margin-bottom:20px}.form-hint{font-size:10px;margin:22px 0 14px}.form-error{font-size:12px;color:#9b3b2d;min-height:20px;margin:8px 0}.calculator-result{background:#f4f7ee;border-radius:7px;border:1px solid #e0e6d7;padding:26px}.calculator-result h2{font-size:15px;color:var(--green);margin-bottom:15px}.result-row{display:flex;align-items:center;justify-content:space-between;gap:17px;padding:14px 0;border-bottom:1px solid #dde6d3;font-size:12px}.result-row>span{color:#586750;max-width:55%}.result-row strong{font-size:18px;line-height:1.6;white-space:normal;text-align:right;font-family:Arial,"Noto Sans Thai",sans-serif}.result-row small{font-family:inherit;font-size:11px;font-weight:400;color:var(--muted)}.result-row.major{display:block;padding:7px 0 20px}.result-row.major>span{display:block;margin-bottom:7px;max-width:none}.result-row.major strong{font-size:44px;color:var(--green);font-weight:550;overflow-wrap:anywhere;text-align:left}.result-row.major small{font-size:13px}.formula{font-family:"Noto Sans Thai","Thonburi",Tahoma,sans-serif;white-space:pre-wrap;font-size:11px;line-height:2.1;margin:20px 0;color:#5d6d53}.calculator-result>p{font-size:11px;line-height:1.95;color:#7c826e}
/* Workspace */
.workspace-actions{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin:30px 0}.project-name{display:block;min-width:200px;width:420px;max-width:100%}.project-name>span{font-size:12px;display:block;color:var(--muted);margin-bottom:7px}.project-name input{width:100%;border:1px solid var(--line);padding:10px 13px;border-radius:5px;font-size:15px;background:#fff;color:var(--ink)}.workspace-actions .btn{font-size:12px;min-height:42px}.workspace-grid{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:33px;align-items:start;margin-top:40px}.workspace-grid h2{font-size:20px}.workspace-grid .section-heading{margin-bottom:12px}.workspace-grid .section-heading a{font-size:11px}.workspace-grid>aside{border:1px solid var(--line);border-radius:6px;padding:20px}.workspace-grid>aside h2{font-size:16px}.planner-row{display:grid;grid-template-columns:46px 1fr;gap:12px;padding:17px 0;border-bottom:1px solid var(--line)}.plan-id{font-size:12px;font-family:Consolas,monospace;color:var(--green)}.plan-id small{display:block;font-size:10px;color:var(--muted);margin-top:5px}.plan-fields>label{display:block}.plan-fields input[type=text]{border:1px solid var(--line);border-radius:4px;width:100%;padding:9px 10px;font-size:13px;background:#fff;color:var(--ink)}.plan-secondary{display:flex;gap:12px;margin-top:9px;flex-wrap:wrap}.plan-secondary label{display:flex;align-items:center;gap:7px;min-width:0;font-size:10px;color:var(--muted)}.plan-secondary input,.plan-secondary select{background:white;border:1px solid var(--line);border-radius:4px;padding:4px 6px;font-size:11px;color:#465c44;min-width:0;max-width:150px}.checklist{display:flex;flex-direction:column;gap:15px;margin-top:20px}.checklist label{display:flex;align-items:flex-start;gap:10px;font-size:12px;cursor:pointer}.checklist input{accent-color:var(--green);width:16px;height:16px;margin-top:4px;flex:none}.checklist input:checked+span{text-decoration:line-through;color:#8b9585}.saved-row{display:flex;align-items:center;gap:17px;padding:14px 0;border-bottom:1px solid var(--line)}.saved-row>a{font-size:14px;flex:1;min-width:0}.saved-row>small{color:var(--muted);min-width:45px}.saved-row .icon{width:16px}.note-preview{border:1px solid var(--line);padding:20px;border-radius:5px;margin-bottom:12px}.note-preview>a{font-size:14px;font-weight:600;display:block;margin-bottom:8px}.note-preview p{font-size:12px;white-space:pre-wrap;overflow-wrap:anywhere}.data-control{display:flex;align-items:center;justify-content:space-between;gap:20px;border-top:1px solid var(--line);margin-top:45px;padding-top:23px}.data-control .btn{font-size:11px}.data-control>span{font-size:10px;color:var(--muted)}
/* Files / footer / dialogs */
.download-row{display:flex;align-items:center;gap:22px;padding:24px 0;border-bottom:1px solid var(--line)}.file-icon{width:48px;height:52px;background:var(--soft);color:var(--green);border:1px solid #e3e9db;border-radius:6px;display:grid;place-items:center;flex:none}.download-row h2{font-size:19px}.download-row p{font-size:12px;margin-top:5px}.file-meta{font-size:11px;color:var(--muted);text-align:right;margin-left:auto;white-space:nowrap}.file-meta small{display:block;font-size:10px}.download-row>.icon{color:var(--green);width:18px;height:18px}.download-row:hover h2{color:var(--green)}.prose h2{font-size:22px;margin:30px 0 12px}.prose p{font-size:15px;line-height:2.1}footer{border-top:1px solid var(--line);margin:0 48px;padding:29px 0;display:flex;justify-content:space-between;gap:23px;font-size:10px;color:var(--muted)}footer>div{display:flex;flex-wrap:wrap;gap:10px 16px;align-items:center}footer>div:first-child{flex-direction:column;align-items:flex-start;gap:5px}footer strong{font-family:Arial,sans-serif;font-size:12px;letter-spacing:.06em;color:var(--ink)}footer a:hover{color:var(--green)}footer>div:last-child>span{display:block;flex-basis:100%;text-align:right;font-size:9px}dialog{border:1px solid var(--line);border-radius:12px;background:#fff;box-shadow:0 30px 90px #10241533;padding:0;color:var(--ink);max-width:calc(100vw - 32px)}dialog::backdrop{background:#1d2e2475;backdrop-filter:blur(3px)}.search-dialog{width:680px;max-height:80vh;margin-top:min(16vh,130px)}.search-dialog-head{display:flex;align-items:center;gap:15px;padding:17px 20px;border-bottom:1px solid var(--line)}.search-dialog-head>.icon{color:var(--green)}.search-dialog-head>input{border:0;outline:none!important;width:100%;font-size:16px;color:var(--ink);background:transparent}.search-shortcuts{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:10px 20px;font-size:10px;color:var(--muted);background:#f8faf5;border-bottom:1px solid var(--line)}.search-results{max-height:52vh;overflow:auto;padding:10px}.search-result{display:block;border-radius:5px;padding:13px 14px}.search-result:hover{background:var(--soft)}.search-result small{display:block;font-size:9px;color:var(--green);margin-bottom:3px}.search-result strong{font-size:14px;font-weight:550;display:block}.search-result p{font-size:11px;margin-top:4px;line-height:1.9;overflow-wrap:anywhere}.search-result mark{background:#e0eabb;color:#30452b;border-radius:2px}.search-placeholder{padding:25px 17px}.search-placeholder p{font-size:12px;margin-bottom:13px}.search-placeholder>div{display:flex;flex-wrap:wrap;gap:7px}.search-placeholder button{border:1px solid var(--line);border-radius:5px;padding:5px 9px;font-size:11px}.search-placeholder button:hover{background:var(--soft)}.search-empty{padding:30px 20px;text-align:center;font-size:13px;color:var(--muted)}.mobile-nav{margin:0;height:100dvh;max-height:none;width:300px;max-width:90vw;border-radius:0;padding:18px}.mobile-nav-head{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:18px;margin-bottom:16px}.mobile-nav nav{display:flex;flex-direction:column;gap:7px}.confirm-dialog{width:430px;padding:28px}.confirm-dialog h2{font-size:22px;margin-bottom:14px}.confirm-dialog p{font-size:14px;line-height:2;margin-bottom:23px}.toast{position:fixed;bottom:25px;left:calc(var(--sidebar) + (100% - var(--sidebar))/2);transform:translateX(-50%) translateY(20px);background:var(--green-dark);color:#f3f6ed;border:1px solid #799173;box-shadow:0 8px 30px #20392428;padding:11px 19px;border-radius:7px;z-index:100;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;max-width:calc(100vw - 36px);font-size:12px;text-align:center}.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}.noscript-notice{position:fixed;bottom:0;left:var(--sidebar);right:0;background:#fff3db;border-top:1px solid #e8d3aa;padding:10px 20px;font-size:12px;text-align:center;z-index:40}
@media(min-width:1600px){:root{--sidebar:258px}.main-content{padding-left:60px;padding-right:60px}.hero{gap:70px}.hero-copy h1{font-size:56px}.hero-book>a{max-width:265px}.hero{min-height:485px}.sidebar{padding-left:22px;padding-right:22px}}
@media(max-width:1200px){:root{--sidebar:212px}.sidebar{padding-left:12px;padding-right:12px}.nav-link{font-size:12px}.brand{margin-left:9px}.main-content{padding:30px 32px 48px}.topbar{padding:0 32px}.topbar-actions{gap:14px}.hero{gap:24px;min-height:420px}.hero-copy h1{font-size:39px}.hero-copy>p{font-size:14px}.hero-proof{gap:25px}.hero-book{min-height:325px}.hero-book>a{width:74%;max-width:211px}.section-heading h2{font-size:21px}.path-card{padding:20px 17px 16px}.path-card h3{font-size:16px}.knowledge-band{padding:27px 24px;gap:25px}.reader-grid{gap:30px;grid-template-columns:minmax(0,1fr) 155px}.reader h1{font-size:29px}.prompt-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.case-card{padding:23px;gap:16px}.workspace-grid{grid-template-columns:minmax(0,1fr) 225px;gap:24px}footer{margin:0 32px}.calc-layout{gap:25px}.form-grid{grid-template-columns:1fr}.result-row.major strong{font-size:37px}}
@media(max-width:980px){:root{--sidebar:190px}.sidebar{padding:25px 10px 15px}.brand-type{font-size:14px}.brand{gap:8px;margin:0 7px 29px}.brand-mark{width:33px;height:33px}.nav-link{padding:10px;font-size:11px;gap:9px}.sidebar-label{font-size:10px;margin-left:10px}.sidebar-bottom{padding-left:6px;padding-right:6px}.edition strong{font-size:10px}.topbar-work{display:none}.hero{grid-template-columns:1.4fr .6fr;gap:20px}.hero-copy h1{font-size:34px}.hero-book>a{width:100%}.hero-book:before{width:110%;height:73%}.hero-book{min-height:290px}.hero-copy>p{font-size:13px}.hero .btn{font-size:12px;padding:10px 13px}.hero-proof{gap:26px;margin-top:25px}.hero-proof strong{font-size:22px}.hero-proof span{font-size:9px}.path-grid{gap:12px}.path-card{padding:18px 13px}.path-card h3{font-size:14px}.path-card p{font-size:11px}.path-link{font-size:10px}.section-heading .text-link{font-size:11px}.knowledge-band{grid-template-columns:.8fr 1.2fr;gap:25px;padding:23px 20px}.knowledge-intro h2{font-size:23px}.knowledge-row h3{font-size:14px}.start-lab{gap:25px;grid-template-columns:1fr}.utility-link{padding:18px;gap:13px}.utility-link>.icon:first-child{width:24px}.utility-link h3{font-size:14px}.reader-grid{display:block}.article-toc{display:none}.reader{max-width:none}.case-grid{grid-template-columns:1fr}.case-card p{max-width:470px}.workspace-grid{grid-template-columns:1fr}.workspace-grid>aside{max-width:none}.checklist{display:grid;grid-template-columns:1fr 1fr}.page-intro h1{font-size:30px}.workspace-actions{flex-direction:column;align-items:flex-start}.project-name{width:100%}.source-top{flex-wrap:wrap;gap:8px}.source-main h2{font-size:17px}.date-banner{align-items:flex-start;flex-wrap:wrap}.date-banner>.text-link{margin-left:36px}.chapter-card{gap:15px}.chapter-card h2{font-size:17px}.chapter-number{font-size:24px;min-width:28px}.chapter-grid{gap:0 25px}.calc-layout{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr 1fr}.calculator-result{margin-top:10px}.calculator-result .major{display:flex;align-items:center;justify-content:space-between}.calculator-result .major>span{margin:0}.calculator-result .major strong{font-size:35px}.download-row{gap:16px}}
@media(max-width:740px){:root{--sidebar:0px}.sidebar{display:none}.site-main{margin-left:0}.mobile-menu{display:inline-flex}.topbar{padding:0 18px;height:64px;gap:10px}.topbar-left{gap:8px}.topbar-title{font-size:11px}.topbar-actions{gap:0}.search-trigger{min-width:0;padding:7px 9px;border:0;background:none}.search-trigger>span,.search-trigger kbd{display:none}.search-trigger .icon{width:21px;height:21px}.main-content{padding:27px 22px 43px}.main-content[data-kind=home]{padding-top:20px}.hero{grid-template-columns:1fr;gap:20px;padding:15px 0 26px;min-height:0}.hero-copy h1{font-size:40px;line-height:1.55;letter-spacing:-.04em}.hero-copy>p{font-size:14px;line-height:1.95;margin-top:13px;margin-bottom:21px;max-width:540px}.hero .btn{font-size:13px;padding:10px 15px}.hero-proof{gap:37px;margin-top:28px}.hero-proof strong{font-size:27px}.hero-proof span{font-size:10px}.hero-book{display:none}.evidence-strip{gap:9px;flex-wrap:wrap;font-size:10px;padding:13px 0}.evidence-strip .text-link{font-size:10px}.evidence-strip>.icon{width:15px;height:15px}.section{margin-top:34px}.section-heading{align-items:flex-start;margin-bottom:17px;gap:12px}.section-heading h2{font-size:20px;line-height:1.6}.section-heading p{font-size:12px;max-width:290px}.section-heading>.text-link{font-size:10px;white-space:nowrap;margin-top:8px}.path-grid{grid-template-columns:1fr;gap:0;border-top:1px solid var(--line)}.path-card{display:grid;grid-template-columns:30px 1fr;gap:4px 13px;border:0;border-bottom:1px solid var(--line);border-radius:0;padding:19px 0}.path-index{grid-row:1/4;margin:3px 0;font-size:13px}.path-card h3{font-size:18px}.path-card p{font-size:12px;min-height:0;max-width:460px}.path-link{font-size:11px;margin-top:8px;max-width:460px}.path-card:hover{transform:none;background:var(--soft);border-color:var(--line)}.knowledge-band{grid-template-columns:1fr;padding:23px 21px;gap:25px}.knowledge-intro h2{font-size:26px}.knowledge-intro h2 br{display:none}.knowledge-intro 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