:root{--ink:#533b31;--accent:#ad4c25;--muted:#80685b;--line:#efdbcb;--paper:#fff8f1}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:30px}body{margin:0;color:var(--ink);background:var(--paper);font-family:Arial,'Apple SD Gothic Neo','Malgun Gothic',sans-serif;line-height:1.65}a{color:inherit;text-decoration:none}button,input{font:inherit}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #b46b25;outline-offset:4px}header{max-width:1320px;margin:auto;min-height:110px;display:flex;justify-content:space-between;align-items:center;padding:20px 44px;border-bottom:1px solid var(--line);gap:24px}.brand{font-size:26px;font-weight:800;letter-spacing:-1.2px}.brand span{font-weight:400}.brand small{display:block;font-size:11px;font-weight:400;letter-spacing:.8px;color:var(--muted)}nav{display:flex;gap:30px;font-size:14px}nav a:hover{color:#ae532e}main{max-width:1232px;margin:auto;padding:0 24px}.hero{display:grid;grid-template-columns:1.15fr 1fr;align-items:center;min-height:560px;gap:30px;padding:60px 0}.eyebrow{font-size:11px;font-weight:bold;letter-spacing:2px;color:#996243}h1{font-size:clamp(32px,3.9vw,54px);line-height:1.35;letter-spacing:-2px;font-weight:650;margin:20px 0}h1 em{font-style:normal;color:#b65a32}.hero p{color:var(--muted);font-size:17px;margin-bottom:30px;line-height:1.9}.button{display:inline-flex;align-items:center;justify-content:center;background:var(--accent);color:white;border:1px solid var(--accent);border-radius:8px;padding:12px 20px;font-size:14px;font-weight:600;cursor:pointer}.button:hover{background:#913c1e;color:white}.button.secondary{background:transparent;color:var(--ink);border-color:#dfbea5}.button.secondary:hover{background:#ffe4cc}.text-link{display:inline-block;font-size:14px;font-weight:600;margin:12px 0 12px 22px}.orbit{position:relative;height:400px;border-radius:50%;background:radial-gradient(ellipse at center,#ffdfbf 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#efd0b5;padding:23px;gap:20px;font-size:12px;color:#976b4d}.intro-strip b{font-size:14px;color:var(--ink);margin-left:18px;font-weight:500}.library{padding:70px 0}.section-title{display:flex;justify-content:space-between;align-items:end;gap:20px}.section-title h2{font-size:29px;margin:10px 0 25px;letter-spacing:-1px}.section-title>span{font-size:13px;color:var(--muted);margin-bottom:28px}.search-label{display:block;font-size:13px;margin-bottom:6px}input[type=search]{display:block;width:100%;padding:18px 22px;border:1px solid #e8cbb5;background:#fffdf9;border-radius:10px;color:var(--ink);font-size:16px}.chips{display:flex;flex-wrap:wrap;gap:8px;margin:22px 0}.chip{cursor:pointer;border:1px solid var(--line);color:#81573f;background:transparent;padding:8px 15px;border-radius:30px;font-size:13px}.chip.active{background:var(--ink);color:#fff;border-color:var(--ink)}#result-count{font-size:12px;color:var(--muted);margin:24px 0 14px}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.article-card{display:flex;flex-direction:column;min-height:225px;border:1px solid var(--line);background:#fffdf9;padding:25px;border-radius:10px;transition:transform .15s,box-shadow .15s}.article-card:hover{transform:translateY(-3px);box-shadow:0 10px 22px #ab582010;border-color:#d6996d}.article-card small{color:#9a5f39;font-size:11px}.article-card h3{font-size:17px;line-height:1.7;margin:14px 0 24px;font-weight:600;word-break:keep-all}.article-card>span{margin-top:auto;font-size:12px;color:#856b59;border-top:1px solid #f0dfd1;padding-top:14px;display:flex;justify-content:space-between}.article-card b{font-size:18px;color:#a65630}footer{max-width:1232px;margin:20px auto 0;padding:40px 24px;border-top:1px solid var(--line);color:var(--muted);font-size:12px}footer strong{font-size:22px;color:var(--ink)}.map-heading{padding:60px 0 30px}.map-heading h1{font-size:40px}.map-heading p{color:var(--muted)}.actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center}.actions .text-link{margin-left:5px}.map-root{padding:25px;background:var(--ink);color:white;max-width:370px;margin:28px auto 50px;border-radius:14px;text-align:center;position:relative}.map-root b{display:block;font-size:26px}.map-root small{color:#f6e0ce}.map-root:after{content:'';height:50px;width:1px;background:#d6a077;position:absolute;bottom:-50px;left:50%}.mindmap{display:grid;grid-template-columns:1fr 1fr;gap:30px;position:relative;padding-top:30px;border-top:1px solid #e2b38d;margin-bottom:60px}.branch{border-left:2px solid #e5b38d;padding-left:15px;scroll-margin-top:25px}.branch summary{list-style:none;display:flex;gap:14px;align-items:center;background:#ffe6d0;border-radius:8px;padding:14px 18px;cursor:pointer}.branch summary:after{content:'−';margin-left:auto;font-size:22px}.branch details:not([open]) summary:after{content:'+'}.branch summary h2{font-size:19px;margin:0}.branch summary>span{color:#946d50;font-size:13px}.branch summary small{font-size:12px;color:var(--muted)}.branch ul{list-style:none;margin:0;padding:12px 0 0 20px}.branch li{border-left:1px solid #edceb3;padding:0 0 0 18px;position:relative}.branch li:before{content:'';width:18px;height:1px;background:#edceb3;position:absolute;left:0;top:25px}.branch li a{display:block;border-bottom:1px solid #efdecd;padding:14px 12px;font-size:14px;line-height:1.7;word-break:keep-all}.branch li a:hover{background:#fff0e0}.branch li a span{color:#a77652}.breadcrumb{font-size:12px;color:var(--muted);margin:32px 0}.article-heading{max-width:970px;padding:20px 0 40px}.article-heading h1{font-size:clamp(28px,3.2vw,42px);line-height:1.55;word-break:keep-all;letter-spacing:-1px}.reading-layout{display:grid;grid-template-columns:235px minmax(0,1fr);gap:50px;border-top:1px solid var(--line);padding-top:35px}.reading-layout aside{align-self:start;position:sticky;top:20px;font-size:12px;max-height:90vh;overflow:auto}.reading-layout aside summary{font-size:15px;font-weight:bold;cursor:pointer;margin-bottom:15px}.reading-layout aside a{display:block;margin:0 0 12px;color:#80624d}.prose{font-size:17px;line-height:2;color:#59463a;overflow-wrap:anywhere;max-width:850px}.prose h2{font-size:25px;line-height:1.6;color:var(--ink);margin:42px 0 20px;letter-spacing:-.6px}.prose h3{font-size:20px;line-height:1.65;margin-top:30px}.prose p{margin:0 0 24px}.prose img{max-width:100%;height:auto;display:block;border-radius:8px;margin:25px 0}.prose a{color:#a44c26;text-decoration:underline;text-underline-offset:3px}.prose table{display:block;overflow:auto;border-collapse:collapse;font-size:14px;max-width:100%}.prose td,.prose th{padding:12px;border:1px solid #ead3c0;min-width:100px}.prose th{background:#ffead7}.prose hr{border:0;border-top:1px solid var(--line);margin:40px 0}.prose blockquote{border-left:3px solid #df9c67;padding:15px 25px;margin:20px 0;background:#fff0e2}.pdf{width:100%;height:850px;border:1px solid var(--line);margin-top:25px}.video-panel{padding:32px;background:#ffead8;border-radius:12px;margin:40px 0}.video-panel small{letter-spacing:2px;font-size:11px}.video-panel h2{font-size:24px}.pending{color:#85684f;font-size:14px}.related{margin:50px 0}.related .cards{grid-template-columns:1fr}.related .article-card{min-height:0;padding:20px}.related .article-card h3{margin:10px 0 15px}.skip{position:absolute;left:-9999px}.skip:focus{left:15px;top:10px;background:white;padding:10px;z-index:9}#toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:#77472e;color:white;border-radius:8px;padding:12px 20px;display:none;z-index:50;font-size:14px}[hidden]{display:none!important}@media(max-width:800px){header{padding:18px 24px;flex-wrap:wrap;gap:15px}.brand{font-size:23px}nav{gap:18px;font-size:12px;flex-wrap:wrap}.hero{grid-template-columns:1fr;padding:40px 0;gap:10px;min-height:0}.hero h1{font-size:40px}.hero p{font-size:15px}.orbit{height:300px;max-width:450px;width:100%;margin:auto}.orbit-center{width:140px;height:140px;font-size:19px}.node{font-size:12px;padding:10px 20px}.intro-strip{padding:18px 12px;gap:12px}.intro-strip b{display:block;margin:4px 0;font-size:12px}.cards{grid-template-columns:repeat(2,minmax(0,1fr))}.mindmap{grid-template-columns:1fr}.reading-layout{grid-template-columns:1fr;gap:15px}.reading-layout aside{position:static;max-height:none}.reading-layout aside details{padding:18px;border:1px solid var(--line);border-radius:8px}.prose{font-size:16px}.section-title{display:block}.section-title>span{display:block;margin-top:-15px}.article-heading{padding-top:0}.map-heading h1{font-size:32px}.library{padding:40px 0}.article-card{padding:20px}.branch summary h2{font-size:17px}}@media(max-width:480px){main{padding:0 18px}.cards{grid-template-columns:1fr}.article-card{min-height:180px}.hero h1{font-size:34px}.hero .text-link{margin-left:12px}.chip{font-size:12px;padding:7px 11px}.article-heading h1{font-size:27px}.actions .button{font-size:12px;padding:10px 14px}.branch{padding-left:8px}.branch ul{padding-left:5px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
.topic-jump{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0 30px}.topic-jump a{background:#ffead7;border:1px solid #f0ceb1;border-radius:24px;padding:8px 16px;font-size:13px}.topic-jump a:hover{background:#ffddbd}

/* Warm apricot accents with dark text for readable contrast. */
.orbit-center{color:#623c27}.orbit-center small{color:#71452d}.map-root{background:#f7c59f;color:#623c27}.map-root small{color:#71452d}.chip.active{background:#f6ceab;color:#633f2c;border-color:#e4b187}.article-card:hover{background:#fff8ee}

.source-note{font-size:12px;color:#80685b;margin:12px 0}.source-note a{text-decoration:underline;text-underline-offset:3px}