:root{
  color-scheme:light;
  --paper:#ffffff;--paper-2:#f5f5f5;--paper-3:#e9e9e9;--ink:#050505;--ink-soft:#2b2b2b;--muted:#707070;--line:#d6d6d6;--line-strong:#9b9b9b;--accent:#050505;--accent-2:#333333;--accent-soft:#eeeeee;--danger:#111111;--gold:#444444;--shadow:0 18px 55px rgba(0,0,0,.07);--serif:Georgia,'Times New Roman',serif;--sans:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;--mono:'SFMono-Regular',Consolas,'Liberation Mono',monospace
}
html[data-theme="dark"]{color-scheme:dark;--paper:#050505;--paper-2:#0d0d0d;--paper-3:#171717;--ink:#f7f7f7;--ink-soft:#d0d0d0;--muted:#929292;--line:#292929;--line-strong:#585858;--accent:#f7f7f7;--accent-2:#cfcfcf;--accent-soft:#181818;--danger:#f7f7f7;--gold:#bdbdbd;--shadow:0 18px 55px rgba(0,0,0,.36)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:14px;line-height:1.58;transition:background .2s,color .2s}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}.shell{min-height:100vh}.topbar{height:66px;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:40;background:color-mix(in srgb,var(--paper) 93%,transparent);backdrop-filter:blur(18px);display:flex;align-items:center;padding:0 28px}.brand{display:flex;align-items:center;gap:11px;font-weight:650;white-space:nowrap}.brand-mark{width:27px;height:27px;border:1px solid var(--ink);display:grid;place-items:center;font-family:var(--serif);font-size:17px}.brand-name{letter-spacing:-.01em}.nav{margin-left:auto;display:flex;align-items:center;gap:24px;font-size:12px}.nav>a{color:var(--muted);padding:23px 0 20px;border-bottom:2px solid transparent}.nav>a:hover,.nav>a.active{color:var(--ink);border-color:var(--ink)}.index-number{font-family:var(--mono);font-size:9px;letter-spacing:.08em;color:var(--muted);padding-left:7px}.theme-toggle,.mobile-nav{border:1px solid var(--line);background:transparent;color:var(--ink);cursor:pointer}.theme-toggle{width:34px;height:34px;border-radius:50%;font-size:15px}.theme-toggle:hover,.mobile-nav:hover{border-color:var(--ink)}.mobile-nav{display:none;margin-left:auto;padding:7px 10px;font-size:11px;text-transform:uppercase;letter-spacing:.06em}.page{max-width:1280px;margin:0 auto;padding:0 28px}.kicker{font-family:var(--mono);font-size:10px;text-transform:uppercase;letter-spacing:.14em;color:var(--accent);font-weight:600}.muted{color:var(--muted)}.serif{font-family:var(--serif)}.loading-line{height:2px;background:var(--accent);position:fixed;top:65px;left:0;z-index:60;animation:load 1s ease-in-out infinite;width:30%}@keyframes load{0%{transform:translateX(-110%)}100%{transform:translateX(440%)}}.hidden{display:none!important}.error{color:var(--danger)!important}

.home-hero{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(300px,.55fr);gap:82px;align-items:end;padding:92px 0 66px}.hero-title{font-family:var(--serif);font-size:clamp(70px,9.7vw,146px);line-height:.78;letter-spacing:-.072em;font-weight:400;margin:14px 0 0;max-width:980px}.hero-title em{font-style:italic;color:var(--accent)}.hero-copy{font-family:var(--serif);font-size:20px;line-height:1.5;color:var(--ink-soft);margin:0}.hero-copy small{font-family:var(--sans);display:block;font-size:11px;line-height:1.65;color:var(--muted);margin-top:18px}.search-wrap{display:flex;border-top:1px solid var(--ink);border-bottom:1px solid var(--ink);padding:18px 0;gap:16px;align-items:center}.search-wrap input{flex:1;min-width:0;border:0;background:transparent;color:var(--ink);outline:0;font-family:var(--serif);font-size:clamp(28px,4.1vw,49px);letter-spacing:-.032em;padding:9px 0}.search-wrap input::placeholder{color:color-mix(in srgb,var(--muted) 65%,transparent)}.search-wrap button,.solid-button{border:1px solid var(--ink);background:var(--ink);color:var(--paper);padding:13px 18px;cursor:pointer;font-size:10px;text-transform:uppercase;letter-spacing:.09em;white-space:nowrap}.search-wrap button:hover,.solid-button:hover{background:var(--accent);border-color:var(--accent)}.search-state{min-height:29px;padding-top:10px;color:var(--muted);font-family:var(--mono);font-size:10px}.suggestions{display:flex;gap:7px;flex-wrap:wrap;margin-top:9px}.suggestions button,.ghost-button,.chip{border:1px solid var(--line);background:transparent;color:var(--muted);cursor:pointer;padding:7px 11px;font-size:11px}.suggestions button:hover,.ghost-button:hover,.chip:hover,.chip.active{color:var(--ink);border-color:var(--ink);background:var(--paper-2)}

.index-strip{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--ink);border-bottom:1px solid var(--ink);margin:74px 0 0}.stat{padding:22px 18px;border-right:1px solid var(--line)}.stat:last-child{border-right:0}.stat strong{display:block;font-family:var(--serif);font-weight:400;font-size:31px;line-height:1}.stat span{font-family:var(--mono);font-size:9px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}.section-row{display:flex;justify-content:space-between;align-items:end;gap:34px;margin:74px 0 24px}.section-row h2{font-family:var(--serif);font-size:41px;line-height:1;font-weight:400;letter-spacing:-.035em;margin:5px 0 0}.section-row p{margin:0;max-width:500px;color:var(--muted)}.section-link{font-family:var(--mono);font-size:10px;text-transform:uppercase;letter-spacing:.08em;border-bottom:1px solid currentColor;padding-bottom:3px;white-space:nowrap}.engine-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--ink);border-left:1px solid var(--line)}.engine-card{min-height:370px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);padding:27px;display:flex;flex-direction:column;cursor:pointer;position:relative;overflow:hidden}.engine-card:hover{background:var(--paper-2)}.engine-card .number{font-family:var(--mono);font-size:9px;color:var(--muted);letter-spacing:.08em}.engine-card h3{font-family:var(--serif);font-size:45px;line-height:.95;font-weight:400;letter-spacing:-.04em;margin:44px 0 18px}.engine-card p{max-width:310px;color:var(--muted);font-size:13px}.engine-card .arrow{font-size:26px;margin-top:auto}.engine-art{position:absolute;right:-35px;bottom:-55px;width:210px;height:210px;border:1px solid var(--line);border-radius:50%;opacity:.72}.engine-card:nth-child(2) .engine-art{border-radius:0;transform:rotate(23deg)}.engine-card:nth-child(3) .engine-art{border-radius:0;background:repeating-linear-gradient(90deg,transparent 0 9px,var(--line) 10px 11px);border:0;transform:rotate(-8deg)}.shelf-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}.shelf-card{min-height:225px;padding:24px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;flex-direction:column;cursor:pointer;transition:background .15s}.shelf-card:hover{background:var(--paper-2)}.shelf-number{font-family:var(--mono);font-size:9px;color:var(--muted);margin-bottom:34px}.shelf-card h3{font-family:var(--serif);font-weight:400;font-size:28px;line-height:1.03;letter-spacing:-.025em;margin:0 0 12px}.shelf-card p{font-size:12px;color:var(--muted);margin:0}.shelf-card .arrow{margin-top:auto;font-size:18px}.feature-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;border-top:1px solid var(--line);border-left:1px solid var(--line)}.feature-card{padding:25px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);min-height:260px;display:flex;flex-direction:column;cursor:pointer}.feature-card:first-child{min-height:420px}.feature-card:hover{background:var(--paper-2)}.feature-card h3{font-family:var(--serif);font-size:34px;line-height:1;font-weight:400;margin:10px 0}.feature-card:first-child h3{font-size:54px}.feature-card p{color:var(--muted);max-width:510px}.feature-visual{height:150px;margin-top:auto;border:1px solid var(--line);position:relative;overflow:hidden;background:var(--paper-2)}.feature-card:first-child .feature-visual{height:210px}.feature-visual:before,.feature-visual:after{content:"";position:absolute;border:1px solid var(--line-strong);inset:22%;transform:rotate(18deg)}.feature-visual:after{inset:34%;transform:rotate(-22deg);border-color:var(--accent)}

.page-head{padding:76px 0 39px;border-bottom:1px solid var(--ink)}.page-head-grid{display:grid;grid-template-columns:minmax(0,1fr) 390px;gap:70px;align-items:end}.page-head h1{font-family:var(--serif);font-size:clamp(58px,8.4vw,112px);font-weight:400;line-height:.83;letter-spacing:-.06em;margin:6px 0 0}.page-head p{font-family:var(--serif);font-size:19px;color:var(--ink-soft);margin:0}.filter-bar{display:flex;gap:8px;flex-wrap:wrap;margin:25px 0 34px}.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);border-left:1px solid var(--line);border-top:1px solid var(--line)}.topic-card{padding:24px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);min-height:230px;display:flex;flex-direction:column;cursor:pointer}.topic-card:hover{background:var(--paper-2)}.topic-card .meta{font-family:var(--mono);font-size:9px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}.topic-card h3{font-family:var(--serif);font-weight:400;font-size:29px;line-height:1.05;margin:30px 0 12px}.topic-card p{font-size:12px;color:var(--muted);margin:0}.topic-card .tags{display:flex;gap:5px;flex-wrap:wrap;margin-top:auto;padding-top:20px}.tag{font-family:var(--mono);font-size:8px;text-transform:uppercase;letter-spacing:.06em;border:1px solid var(--line);padding:5px 7px;color:var(--muted)}

.topic-hero{padding:66px 0 34px;border-bottom:1px solid var(--ink)}.topic-hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:54px;align-items:end}.topic-title{font-family:var(--serif);font-weight:400;font-size:clamp(58px,8.1vw,108px);line-height:.84;letter-spacing:-.058em;margin:8px 0 25px}.topic-dek{font-family:var(--serif);font-size:24px;line-height:1.42;color:var(--ink-soft);max-width:810px}.topic-poster{aspect-ratio:4/5;border:1px solid var(--line);position:relative;overflow:hidden;background:var(--paper-2);display:grid;place-items:center}.topic-poster .orb{width:68%;height:68%;border:1px solid var(--line-strong);border-radius:50%;position:absolute}.topic-poster .orb:after{content:"";position:absolute;inset:18%;border:1px solid var(--accent);transform:rotate(31deg)}.topic-poster .letter{font-family:var(--serif);font-size:116px;opacity:.12}.topic-layout{display:grid;grid-template-columns:220px minmax(0,1fr) 280px;gap:42px;padding-top:42px}.topic-side,.topic-aside{align-self:start;position:sticky;top:92px}.side-title{font-family:var(--mono);font-size:9px;text-transform:uppercase;letter-spacing:.09em;margin-bottom:10px;color:var(--muted)}.side-list{border-top:1px solid var(--ink)}.side-list a,.side-list button{display:block;width:100%;text-align:left;padding:11px 0;border:0;border-bottom:1px solid var(--line);background:transparent;color:var(--muted);font-size:11px;cursor:pointer}.side-list a:hover,.side-list button:hover{color:var(--ink)}.topic-meta{font-family:var(--mono);font-size:9px;line-height:1.95;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}.topic-meta strong{font-weight:550;color:var(--ink)}.label-row{display:flex;flex-wrap:wrap;gap:7px;margin:0 0 30px}.evidence-label{display:inline-flex;gap:7px;align-items:center;border:1px solid var(--line);padding:7px 10px;font-family:var(--mono);font-size:9px;text-transform:uppercase;letter-spacing:.06em}.evidence-label i{width:7px;height:7px;background:var(--accent);border-radius:50%}.topic-section{padding:37px 0;border-top:1px solid var(--line)}.topic-section:first-child{border-top:0;padding-top:0}.topic-section h2{font-family:var(--serif);font-size:39px;line-height:1.04;font-weight:400;letter-spacing:-.03em;margin:0 0 15px}.topic-section p{font-size:15px;color:var(--ink-soft);max-width:760px}.topic-section ul{padding-left:20px;max-width:760px}.topic-section li{margin:7px 0}.branch-list a{display:block;border-bottom:1px solid var(--line);padding:10px 0;font-family:var(--serif);font-size:17px}.branch-list a span{float:right;font-family:var(--mono);font-size:9px;color:var(--muted);margin-top:5px}.source-list a{display:block;padding:11px 0;border-bottom:1px solid var(--line);font-size:11px}.source-list a b{display:block;font-weight:550}.source-list a span{color:var(--muted)}.banner{border:1px solid var(--line);padding:17px 19px;margin:22px 0;background:color-mix(in srgb,var(--paper-2) 65%,transparent);font-size:12px}.banner.shared{border-color:color-mix(in srgb,var(--accent) 40%,var(--line));background:var(--accent-soft)}

.media-shelf{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:20px}.media-item{border:1px solid var(--line);background:var(--paper-2);overflow:hidden}.media-frame{aspect-ratio:16/9;background:#0b0b0b;display:grid;place-items:center;overflow:hidden}.media-frame img,.media-frame video,.media-frame iframe{width:100%;height:100%;object-fit:cover;border:0;display:block}.media-caption{padding:12px;font-size:11px;color:var(--muted)}.media-caption strong{display:block;color:var(--ink);font-weight:550}.media-add{border:1px dashed var(--line-strong);padding:18px;margin-top:16px}.form-grid{display:grid;grid-template-columns:150px 1fr;gap:9px}.field{display:flex;flex-direction:column;gap:5px}.field label{font-family:var(--mono);font-size:8px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}.field input,.field select,.field textarea,.library-input,.pi-input{border:1px solid var(--line);background:var(--paper);color:var(--ink);padding:11px 12px;outline:0}.field input:focus,.field select:focus,.field textarea:focus,.library-input:focus,.pi-input:focus{border-color:var(--ink)}.field.wide{grid-column:1/-1}.media-help{font-size:10px;color:var(--muted);margin-top:8px}

.network-layout{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:18px;margin-top:26px}.network-box{height:680px;border:1px solid var(--ink);position:relative;overflow:hidden;background:var(--paper-2)}.network-box canvas{width:100%;height:100%;display:block;cursor:grab}.network-box canvas:active{cursor:grabbing}.network-panel{border:1px solid var(--line);padding:20px;min-height:680px}.network-panel h3{font-family:var(--serif);font-weight:400;font-size:30px;margin:7px 0 12px}.network-panel p{font-size:12px;color:var(--muted)}.network-toolbar{display:flex;justify-content:space-between;gap:14px;align-items:center;margin:18px 0}.network-toolbar .left,.network-toolbar .right{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.network-search{border:1px solid var(--line);background:var(--paper);color:var(--ink);padding:9px 10px;width:220px}.legend{display:flex;gap:14px;flex-wrap:wrap;font-family:var(--mono);font-size:9px;color:var(--muted);margin-top:14px}.legend span{display:flex;align-items:center;gap:6px}.legend i{width:8px;height:8px;border:1px solid var(--ink);border-radius:50%}

.library-workspace{display:grid;grid-template-columns:340px minmax(0,1fr);gap:28px;margin-top:34px}.library-controls{border-top:1px solid var(--ink);padding-top:20px}.library-controls h3{font-family:var(--serif);font-size:28px;font-weight:400;margin:0 0 9px}.library-controls p{font-size:11px;color:var(--muted)}.library-controls form{display:flex;flex-direction:column;gap:9px;margin:20px 0 30px}.library-page{border:1px solid var(--line);background:color-mix(in srgb,var(--paper) 92%,var(--paper-2));box-shadow:var(--shadow);min-height:730px;padding:44px 50px;position:relative}.library-address{font-family:var(--mono);font-size:9px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:14px;margin-bottom:27px;word-break:break-all}.library-text{font-family:var(--serif);font-size:18px;line-height:1.7;letter-spacing:.01em;white-space:pre-wrap;word-break:break-word}.library-text mark{background:var(--accent-soft);color:var(--ink);padding:1px 2px}.library-pagination{display:flex;justify-content:space-between;gap:8px;margin-top:14px}.library-map{display:grid;grid-template-columns:repeat(6,1fr);gap:5px;margin:18px 0}.book-spine{height:66px;border:1px solid var(--line);background:var(--paper-2);display:grid;place-items:center;font-family:var(--mono);font-size:8px;color:var(--muted);cursor:pointer}.book-spine.active,.book-spine:hover{background:var(--accent-soft);border-color:var(--accent);color:var(--ink)}.coordinate-box{font-family:var(--mono);font-size:10px;border:1px solid var(--line);padding:12px;word-break:break-all;background:var(--paper-2)}

.pi-layout{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:26px;margin-top:34px}.pi-main{min-width:0}.pi-panel{border:1px solid var(--line);padding:20px}.pi-panel h3{font-family:var(--serif);font-size:28px;font-weight:400;margin:0 0 10px}.pi-search{display:flex;gap:8px;border-top:1px solid var(--ink);border-bottom:1px solid var(--ink);padding:16px 0}.pi-input{flex:1;font-family:var(--mono);font-size:15px}.digit-stream{border:1px solid var(--line);padding:24px;margin-top:18px;background:var(--paper-2);font-family:var(--mono);font-size:13px;line-height:2;word-break:break-all;letter-spacing:.07em;max-height:400px;overflow:auto}.digit-stream mark{background:var(--accent);color:var(--paper);padding:2px}.pi-results{margin-top:18px}.pi-hit{border-top:1px solid var(--line);padding:13px 0;cursor:pointer}.pi-hit:hover{color:var(--accent)}.pi-hit strong{font-family:var(--mono);font-size:11px}.pi-hit div{font-family:var(--mono);font-size:11px;color:var(--muted);word-break:break-all}.pi-canvas{width:100%;aspect-ratio:1;border:1px solid var(--line);display:block;background:#0b0b0b}.freq{display:grid;grid-template-columns:repeat(5,1fr);gap:6px;margin-top:12px}.freq div{border:1px solid var(--line);padding:9px;text-align:center}.freq strong{display:block;font-family:var(--serif);font-size:21px;font-weight:400}.freq span{font-family:var(--mono);font-size:8px;color:var(--muted)}

.media-lab{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:30px}.lab-card{border:1px solid var(--line);padding:22px;min-height:380px}.lab-card h2{font-family:var(--serif);font-weight:400;font-size:35px;margin:5px 0 12px}.lab-card p{color:var(--muted);font-size:12px}.image-canvas-wrap{border:1px solid var(--line);background:#0b0b0b;aspect-ratio:1;display:grid;place-items:center;overflow:hidden;margin-top:16px}.image-canvas-wrap canvas{width:100%;height:100%;image-rendering:pixelated}.video-preview{aspect-ratio:16/9;border:1px solid var(--line);background:#0b0b0b;display:grid;place-items:center;margin-top:16px;overflow:hidden;color:#777777}.video-preview iframe,.video-preview video,.video-preview img{width:100%;height:100%;border:0;object-fit:cover}.media-form-row{display:flex;gap:8px;margin-top:12px}.media-form-row input{flex:1;min-width:0;border:1px solid var(--line);background:var(--paper);color:var(--ink);padding:10px}.saved-media{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:18px}.saved-media .media-item{cursor:pointer}

.workbench-grid{display:grid;grid-template-columns:280px 1fr;gap:40px;padding-top:38px}.work-tools button{display:block;width:100%;border:0;border-bottom:1px solid var(--line);padding:14px 0;text-align:left;background:transparent;color:var(--muted);cursor:pointer}.work-tools button:hover,.work-tools button.active{color:var(--accent)}.work-output{border-top:1px solid var(--ink);padding-top:25px}.work-output h2{font-family:var(--serif);font-size:44px;font-weight:400;margin:2px 0 17px}.worksheet{border:1px solid var(--line);padding:28px;background:var(--paper-2)}.worksheet h3{font-family:var(--serif);font-size:29px;font-weight:400}.worksheet li{margin:7px 0}.principle-grid{display:grid;grid-template-columns:repeat(2,1fr);border-left:1px solid var(--line);border-top:1px solid var(--line);margin-top:35px}.principle{border-right:1px solid var(--line);border-bottom:1px solid var(--line);padding:27px;min-height:220px}.principle h2{font-family:var(--serif);font-weight:400;font-size:30px;margin:5px 0 12px}.principle p{color:var(--muted)}

.footer{max-width:1280px;margin:95px auto 0;padding:28px;border-top:1px solid var(--ink);display:flex;justify-content:space-between;gap:30px;color:var(--muted);font-size:10px}.footer strong{color:var(--ink);font-weight:600}.toast{position:fixed;right:22px;bottom:22px;background:var(--ink);color:var(--paper);padding:11px 14px;font-size:11px;z-index:80;opacity:0;transform:translateY(8px);pointer-events:none;transition:.2s}.toast.show{opacity:1;transform:none}.empty{padding:70px 0;color:var(--muted);font-family:var(--serif);font-size:22px}

@media(max-width:1050px){.home-hero,.page-head-grid{grid-template-columns:1fr}.home-hero{gap:38px}.engine-grid{grid-template-columns:1fr 1fr}.engine-card:last-child{grid-column:1/-1}.shelf-grid{grid-template-columns:repeat(2,1fr)}.feature-grid{grid-template-columns:1fr 1fr}.feature-card:first-child{grid-column:1/-1}.topic-layout{grid-template-columns:180px 1fr}.topic-aside{display:none}.topic-hero-grid{grid-template-columns:1fr 220px}.network-layout,.pi-layout{grid-template-columns:1fr}.network-panel{min-height:auto}.library-workspace{grid-template-columns:280px 1fr}.saved-media{grid-template-columns:repeat(2,1fr)}}
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