:root{--bg:#07070a;--panel:#0e0c12;--panel2:#15111b;--ink:#f3ead9;--muted:#aaa0b5;--violet:#a67cff;--violet2:#6f45c5;--bronze:#d4ad67;--bronze2:#7c4b21;--red:#7a2016;--skin:#965137;--line:#2b2434;--blackwing:#08080b;--danger:#d96d74;--ok:#7dc9a1;--shadow:0 20px 70px rgba(0,0,0,.35)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;position:relative;background:#08070b url("assets/art/arthitean-city-bg.webp") center center/cover fixed no-repeat;color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;line-height:1.58}body::before{content:"";position:fixed;inset:0;z-index:-2;background:linear-gradient(180deg,rgba(5,4,8,.70),rgba(6,5,9,.90) 46%,rgba(5,4,7,.94)),radial-gradient(circle at 72% 20%,rgba(111,69,197,.16),transparent 38%);pointer-events:none}body::after{content:"";position:fixed;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(5,4,8,.18),rgba(5,4,8,.04),rgba(5,4,8,.22));pointer-events:none}.skip{position:fixed;left:12px;top:-60px;z-index:99;background:#fff;color:#111;padding:10px 14px;border-radius:8px}.skip:focus{top:12px}.app-shell{min-height:100vh;display:grid;grid-template-columns:300px 1fr}.sidebar{position:sticky;top:0;height:100vh;background:linear-gradient(180deg,rgba(11,9,16,.94),rgba(8,7,11,.96));backdrop-filter:blur(16px);border-right:1px solid var(--line);padding:22px 18px;overflow:auto;z-index:30}.brand{display:flex;gap:12px;align-items:center;margin-bottom:24px}.brand-mark{width:46px;height:46px;border-radius:50%;display:grid;place-items:center;font-family:Georgia,serif;font-weight:800;font-size:24px;color:#140d18;background:radial-gradient(circle,#ead294,#b2762b);box-shadow:0 0 0 4px #24182f,0 0 28px rgba(166,124,255,.25)}.brand strong{font-family:Georgia,serif;letter-spacing:.09em;font-size:15px}.brand small{display:block;color:var(--muted);font-size:11px;letter-spacing:.06em;margin-top:2px}.sidebar nav{display:flex;flex-direction:column;gap:4px}.sidebar nav a{color:#d9d0df;text-decoration:none;padding:9px 11px;border-radius:9px;border:1px solid transparent;font-size:14px}.sidebar nav a:hover,.sidebar nav a.active{background:linear-gradient(90deg,rgba(166,124,255,.13),rgba(212,173,103,.05));border-color:#32263f;color:#fff}.nav-label{font-size:10px;text-transform:uppercase;letter-spacing:.18em;color:#695f73;margin:18px 10px 5px}.sidebar-foot{margin-top:28px;font-size:11px;color:#83798c;display:flex;gap:7px;align-items:center}.status-dot{width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 12px var(--ok)}.mobile-close{display:none}.main-wrap{min-width:0;background:linear-gradient(180deg,rgba(7,6,10,.18),rgba(7,6,10,.48))}.topbar{height:64px;position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:18px;padding:0 28px;background:rgba(7,7,10,.72);backdrop-filter:blur(20px) saturate(1.15);border-bottom:1px solid rgba(65,52,77,.55)}.breadcrumbs{font-size:13px;color:#bcb2c5;flex:1}.top-actions{display:flex;gap:8px}.ghost,.menu-btn,.action{appearance:none;border:1px solid #40364a;background:#131019;color:#e9dfef;border-radius:9px;padding:8px 12px;cursor:pointer}.ghost:hover,.action:hover{border-color:#6c5790;background:#1a1422}.menu-btn{display:none}.main-wrap main{max-width:1500px;margin:0 auto;padding:28px 34px 70px}.hero{position:relative;min-height:560px;border:1px solid #33283f;border-radius:28px;overflow:hidden;box-shadow:var(--shadow);background:#0d0a13}.hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 42%;opacity:1}.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(7,7,10,.95) 0,rgba(7,7,10,.72) 43%,rgba(7,7,10,.18) 78%),linear-gradient(0deg,rgba(7,7,10,.90),transparent 52%),radial-gradient(circle at 82% 20%,rgba(166,124,255,.10),transparent 30%)}.hero-content{position:relative;z-index:2;max-width:720px;padding:70px 60px}.eyebrow{font-size:11px;text-transform:uppercase;letter-spacing:.22em;color:var(--bronze);font-weight:800}.hero h1,.page-title{font-family:Georgia,"Times New Roman",serif;font-weight:500;line-height:.98;letter-spacing:-.035em}.hero h1{font-size:clamp(54px,7vw,100px);margin:16px 0 20px}.hero p{font-size:18px;color:#d6ccd9;max-width:620px}.hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}.primary{display:inline-block;text-decoration:none;background:linear-gradient(135deg,#b78dff,#7041c4);color:#100b16;font-weight:800;padding:12px 16px;border-radius:10px;box-shadow:0 8px 30px rgba(115,68,198,.2)}.secondary{display:inline-block;text-decoration:none;border:1px solid #6b536e;color:#eadfeb;padding:11px 16px;border-radius:10px;background:rgba(15,11,19,.55)}.stats-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:18px 0 34px}.stat{background:linear-gradient(180deg,rgba(21,17,27,.88),rgba(14,12,18,.92));backdrop-filter:blur(9px);border:1px solid #30273a;border-radius:15px;padding:16px}.stat b{font-family:Georgia,serif;font-size:28px;color:var(--bronze);display:block}.stat span{font-size:11px;text-transform:uppercase;letter-spacing:.12em;color:#8f8399}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin:44px 0 18px}.section-head h2{font-family:Georgia,serif;font-size:34px;font-weight:500;margin:0}.section-head p{max-width:560px;margin:0;color:var(--muted);font-size:14px}.grid{display:grid;gap:16px}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}.card{background:linear-gradient(180deg,rgba(22,17,28,.88),rgba(11,9,14,.91));backdrop-filter:blur(10px);border:1px solid #33293d;border-radius:18px;padding:20px;box-shadow:0 12px 36px rgba(0,0,0,.16)}.card h3{margin:2px 0 8px;font-family:Georgia,serif;font-size:23px;font-weight:500}.card p{color:#c3b9c8;margin:0}.card .micro{font-size:11px;color:var(--bronze);text-transform:uppercase;letter-spacing:.14em}.card.clickable{cursor:pointer;transition:.2s transform,.2s border-color}.card.clickable:hover{transform:translateY(-3px);border-color:#664d7d}.page-intro{display:grid;grid-template-columns:minmax(0,1fr) 420px;gap:32px;align-items:center;margin-bottom:30px}.page-intro img{width:100%;max-height:480px;object-fit:contain;filter:drop-shadow(0 20px 45px rgba(0,0,0,.45))}.page-title{font-size:clamp(48px,6vw,84px);margin:12px 0 18px}.lede{font-size:18px;color:#cec3d2;max-width:800px}.canon-badge{display:inline-flex;gap:8px;align-items:center;border:1px solid #463753;background:#130f18;padding:6px 9px;border-radius:999px;color:#cbbbd5;font-size:11px}.diagram{border:1px solid #352a40;border-radius:20px;background:radial-gradient(circle at 50% 30%,rgba(98,59,148,.15),transparent 50%),#0d0a12;padding:24px;overflow:auto}.flow{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.node{min-width:145px;text-align:center;padding:14px 16px;border:1px solid #473657;border-radius:14px;background:#17111e}.node strong{display:block;font-family:Georgia,serif;color:#eadbb9}.arrow{color:var(--violet);font-size:24px}.ladder{display:grid;grid-template-columns:repeat(5,minmax(130px,1fr));gap:10px;align-items:end}.rung{position:relative;border:1px solid #443551;border-radius:14px;background:linear-gradient(180deg,#1b1325,#0d0b11);padding:14px;min-height:110px}.rung:nth-child(2){min-height:150px}.rung:nth-child(3){min-height:190px}.rung:nth-child(4){min-height:230px}.rung:nth-child(5){min-height:270px}.rung b{color:var(--bronze);font-family:Georgia,serif}.rung small{display:block;color:#97899f;margin-top:6px}.matrix{display:grid;grid-template-columns:repeat(6,52px);grid-template-rows:repeat(6,52px);gap:5px;align-items:center;justify-content:center}.cell{display:grid;place-items:center;border:1px solid #33293d;border-radius:8px;color:#71667b;background:#0b0910;font-size:11px}.cell.diag{background:linear-gradient(135deg,#7f52cf,#bc8dff);color:#130c18;font-weight:900;border-color:#d6b8ff;box-shadow:0 0 18px rgba(174,127,255,.2)}.seal-stack{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.seal{position:relative;padding:20px;border-radius:18px;border:1px solid #4b3859;background:radial-gradient(circle at 50% 0,rgba(156,108,225,.16),transparent 45%),#0f0c14;min-height:230px}.seal .num{font-family:Georgia,serif;font-size:58px;color:#2b2134;position:absolute;right:12px;top:3px}.seal h3{font-family:Georgia,serif;font-size:22px;color:#e3c786;position:relative}.seal p{color:#bdb2c2;position:relative;font-size:13px}.timeline{position:relative;padding-left:30px}.timeline::before{content:"";position:absolute;left:8px;top:5px;bottom:5px;width:2px;background:linear-gradient(var(--red),var(--violet),var(--bronze))}.timeline-item{position:relative;margin:0 0 26px;padding:16px 18px;border:1px solid #33293d;border-radius:14px;background:#0f0c14}.timeline-item::before{content:"";position:absolute;left:-28px;top:22px;width:13px;height:13px;border-radius:50%;background:var(--violet);box-shadow:0 0 18px var(--violet)}.timeline-item h3{margin:0 0 5px;font-family:Georgia,serif}.archive-layout{display:grid;grid-template-columns:340px minmax(0,1fr);gap:18px}.archive-nav{border:1px solid #30263a;border-radius:16px;background:#0d0a12;padding:10px;max-height:calc(100vh - 130px);overflow:auto;position:sticky;top:82px}.archive-nav input,.search-box{width:100%;border:1px solid #3b3045;background:#09080c;color:#eee;border-radius:10px;padding:11px 12px;outline:none}.archive-nav input:focus,.search-box:focus{border-color:#805fc2;box-shadow:0 0 0 3px rgba(128,95,194,.12)}.archive-link{display:block;width:100%;text-align:left;background:transparent;border:0;border-bottom:1px solid #211b27;color:#bfb3c5;padding:9px 8px;cursor:pointer;font-size:12px}.archive-link:hover,.archive-link.active{color:#fff;background:#15101b}.archive-content{min-width:0}.archive-content h1{font-family:Georgia,serif;font-size:44px;margin:0 0 10px}.archive-content .source-note{font-size:12px;color:#84788d;margin-bottom:18px}.prose-block{background:#0e0b12;border:1px solid #2e2537;border-radius:14px;padding:18px 20px;margin:10px 0;color:#d5cad8}.prose-block p{margin:0 0 12px}.prose-block p:last-child{margin:0}.source-table{width:100%;border-collapse:collapse;font-size:12px}.source-table td{border:1px solid #31283a;padding:8px;vertical-align:top}.source-table tr:nth-child(even){background:#15101a}.page-card{border:1px solid #30263a;border-radius:14px;background:#0e0b12;margin:10px 0;overflow:hidden}.page-card summary{cursor:pointer;padding:14px 16px;color:#e8d9ee;font-family:Georgia,serif}.page-card pre{white-space:pre-wrap;word-break:break-word;margin:0;padding:0 16px 18px;color:#c6bbc9;font-family:inherit;font-size:13px}.toc-tree{display:flex;flex-direction:column}.toc-tree button{text-align:left;background:transparent;border:0;color:#bcb0c2;padding:7px 8px;border-radius:8px;cursor:pointer}.toc-tree button:hover{background:#17111e;color:#fff}.toc-tree .l2{padding-left:18px;font-size:12px}.toc-tree .l3{padding-left:34px;font-size:11px;color:#8f8396}.search-wrap{max-width:1000px}.search-box{font-size:17px;padding:15px 16px}.search-results{margin-top:18px}.result{display:block;text-decoration:none;color:inherit;border:1px solid #30263a;border-radius:14px;padding:15px 16px;margin:10px 0;background:#0e0b12}.result:hover{border-color:#6e5392}.result b{font-family:Georgia,serif;color:#ead69f}.result small{display:block;color:#82788a;margin:3px 0 7px}.result p{margin:0;color:#bcb0c2;font-size:13px}.source-grid a{text-decoration:none;color:inherit}.source-card{min-height:190px}.source-card .filetype{font-size:44px;font-family:Georgia,serif;color:#6f5978}.operator-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.operator{border:1px solid #3a2c46;border-radius:18px;padding:20px;background:#0f0b15}.operator .symbol{font-size:48px;font-family:Georgia,serif;color:var(--violet)}.operator b{display:block;color:var(--bronze)}.operator p{font-size:12px;color:#afa4b5}.warning{border-left:3px solid var(--bronze);padding:12px 15px;background:#151019;color:#c9becd;border-radius:0 10px 10px 0}.phenotype-art{position:relative;border:1px solid #34283e;border-radius:20px;overflow:hidden;background:#0a080e}.phenotype-art img{width:100%;display:block}.quote{font-family:Georgia,serif;font-size:26px;line-height:1.35;color:#eadcc8;border-left:3px solid var(--violet);padding-left:20px}.pill-row{display:flex;gap:7px;flex-wrap:wrap}.pill{border:1px solid #3d3049;border-radius:999px;padding:5px 9px;color:#a99db0;font-size:11px}.formula{font-family:"Cambria Math",Georgia,serif;font-size:20px;color:#ead8ff;background:#0a0810;border:1px solid #342744;border-radius:12px;padding:13px 16px;overflow:auto}.mini-bars{display:grid;gap:10px}.bar{display:grid;grid-template-columns:150px 1fr 42px;gap:10px;align-items:center;font-size:12px;color:#b9aebe}.bar-track{height:8px;background:#1b1522;border-radius:99px;overflow:hidden}.bar-fill{height:100%;background:linear-gradient(90deg,#6440a5,#c19aff)}footer{display:flex;justify-content:space-between;gap:20px;color:#675e6d;border-top:1px solid #231d2a;padding:22px 34px;font-size:11px}.mobile-only{display:none}#toast{position:fixed;right:24px;bottom:24px;background:#16101d;border:1px solid #51405f;color:#eee;padding:10px 14px;border-radius:10px;opacity:0;transform:translateY(10px);transition:.2s;pointer-events:none;z-index:100}#toast.show{opacity:1;transform:none}
@media(max-width:1100px){.app-shell{grid-template-columns:1fr}.sidebar{position:fixed;left:-320px;transition:.25s;box-shadow:20px 0 70px rgba(0,0,0,.5);width:300px}.sidebar.open{left:0}.mobile-close{display:block;position:absolute;right:14px;top:14px;background:none;color:#aaa;border:0;font-size:28px}.menu-btn{display:block}.page-intro{grid-template-columns:1fr}.page-intro img{max-height:360px}.grid.four{grid-template-columns:repeat(2,1fr)}.archive-layout{grid-template-columns:1fr}.archive-nav{position:relative;top:auto;max-height:320px}.operator-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:700px){.main-wrap main{padding:18px 15px 55px}.topbar{padding:0 14px}.hero{min-height:640px;border-radius:18px}.hero-content{padding:45px 24px}.hero h1{font-size:54px}.stats-strip,.grid.two,.grid.three,.grid.four,.seal-stack,.operator-grid{grid-template-columns:1fr}.ladder{grid-template-columns:1fr}.rung,.rung:nth-child(n){min-height:auto}.page-title{font-size:48px}.section-head{align-items:start;flex-direction:column}.section-head h2{font-size:30px}.archive-content h1{font-size:34px}.top-actions .ghost{font-size:11px;padding:7px 9px}footer{flex-direction:column;padding:20px 15px}.bar{grid-template-columns:100px 1fr 35px}}

/* Generated Arthitean artwork integration */
.page-intro{position:relative;padding:28px 30px;border:1px solid rgba(91,68,108,.55);border-radius:24px;background:linear-gradient(110deg,rgba(10,8,14,.92),rgba(17,12,23,.72));overflow:hidden;box-shadow:0 18px 60px rgba(0,0,0,.24)}
.page-intro::before{content:"";position:absolute;inset:auto 0 0 0;height:2px;background:linear-gradient(90deg,transparent,var(--bronze),var(--violet),transparent);opacity:.65}
.page-intro>div{position:relative;z-index:2}.page-intro img{position:relative;z-index:2;max-height:520px;filter:drop-shadow(0 24px 55px rgba(0,0,0,.58));object-position:center bottom}
.art-gallery{display:grid;grid-template-columns:1.15fr .85fr .85fr;gap:16px;margin:18px 0 34px}.art-card{position:relative;min-height:440px;border:1px solid rgba(84,63,99,.7);border-radius:22px;overflow:hidden;background:rgba(7,6,10,.74);box-shadow:0 18px 60px rgba(0,0,0,.28)}.art-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.art-card.contain img{object-fit:contain;padding:10px}.art-card::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(5,4,8,.92),transparent 50%)}.art-caption{position:absolute;z-index:2;left:18px;right:18px;bottom:16px}.art-caption b{display:block;font-family:Georgia,serif;font-size:22px;color:#f1dfbb}.art-caption span{display:block;font-size:12px;color:#c5b8ca;margin-top:3px}
.art-banner{position:relative;height:min(52vw,520px);min-height:330px;border-radius:22px;overflow:hidden;border:1px solid rgba(84,63,99,.7);box-shadow:0 18px 60px rgba(0,0,0,.28);margin:18px 0 26px}.art-banner img{width:100%;height:100%;object-fit:cover}.art-banner::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(6,5,9,.82),transparent 55%),linear-gradient(90deg,rgba(6,5,9,.16),transparent 55%)}.art-banner .art-caption{bottom:20px;left:22px}
.figure-pair{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:16px 0 30px}.figure-pair .art-card{min-height:560px}
.diagram{background:linear-gradient(180deg,rgba(13,10,18,.86),rgba(9,7,12,.90));backdrop-filter:blur(10px)}.node{background:linear-gradient(180deg,rgba(26,18,34,.92),rgba(15,11,20,.92));box-shadow:inset 0 1px 0 rgba(231,199,134,.05)}.rung{background:linear-gradient(180deg,rgba(30,20,40,.92),rgba(13,11,17,.94));box-shadow:0 10px 30px rgba(0,0,0,.18)}.cell{background:rgba(11,9,16,.90)}.seal{background:linear-gradient(180deg,rgba(24,16,32,.88),rgba(15,12,20,.94));backdrop-filter:blur(8px)}
@media(max-width:1100px){.art-gallery{grid-template-columns:1fr 1fr}.art-gallery .art-card:first-child{grid-column:1/-1}.figure-pair .art-card{min-height:470px}}
@media(max-width:700px){body{background-attachment:scroll}.page-intro{padding:22px 18px}.art-gallery,.figure-pair{grid-template-columns:1fr}.art-gallery .art-card:first-child{grid-column:auto}.art-card,.figure-pair .art-card{min-height:420px}.art-banner{min-height:300px;height:58vw}}

/* Arthratan mythology visual navigation + chibi controls */
.brand-mark{width:48px;height:48px;border-radius:50%;overflow:hidden;border:1px solid rgba(227,199,134,.6);background:#140d1b;box-shadow:0 0 22px rgba(166,112,233,.22)}
.brand-mark img{width:100%;height:100%;object-fit:cover;display:block}
#nav a{display:grid;grid-template-columns:42px minmax(0,1fr);gap:10px;align-items:center;min-height:50px;padding:6px 9px;border-radius:13px;overflow:hidden}
#nav a img{width:38px;height:38px;border-radius:50%;object-fit:cover;border:1px solid rgba(212,176,106,.38);box-shadow:0 4px 16px rgba(0,0,0,.34);transition:.18s transform,.18s border-color,.18s box-shadow}
#nav a span{line-height:1.15}
#nav a:hover img,#nav a.active img{transform:scale(1.08);border-color:#d8bd79;box-shadow:0 0 18px rgba(177,130,244,.28)}
#nav a.active{background:linear-gradient(90deg,rgba(102,65,151,.2),rgba(31,20,39,.5));border:1px solid rgba(131,94,180,.18)}
.art-mini-action{display:flex!important;align-items:center;gap:7px}.art-mini-action img{width:26px;height:26px;border-radius:50%;object-fit:cover;border:1px solid rgba(222,196,131,.4)}
.art-action{display:inline-flex!important;align-items:center;gap:10px;min-height:48px;padding:6px 16px 6px 7px!important;border-radius:999px!important;text-decoration:none!important}
.art-action img{width:38px;height:38px;border-radius:50%;object-fit:cover;border:1px solid rgba(239,211,146,.55);box-shadow:0 3px 15px rgba(0,0,0,.28)}
.art-action span{white-space:nowrap}
.gateway-grid{align-items:stretch}.gateway-card{display:grid;grid-template-columns:105px minmax(0,1fr);gap:14px;align-items:center;padding:12px!important;min-height:160px;overflow:hidden;background:linear-gradient(125deg,rgba(17,12,23,.95),rgba(28,17,37,.82))!important}.gateway-card:hover{transform:translateY(-3px);border-color:rgba(175,126,236,.55);box-shadow:0 18px 46px rgba(0,0,0,.25)}.gateway-chibi{width:105px;height:105px;border-radius:50%;object-fit:cover;border:1px solid rgba(224,192,120,.48);box-shadow:0 8px 24px rgba(0,0,0,.32)}.gateway-copy h3{margin-top:4px}.gateway-copy p{margin-bottom:0}
.arthratan-mosaic{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:18px 0 36px}.arthratan-mosaic .art-card{min-height:360px}.arthratan-mosaic .art-card:nth-child(3n){grid-column:span 2;min-height:440px}
.archive-art-head{position:relative;display:grid;grid-template-columns:180px minmax(0,1fr);gap:18px;align-items:end;margin:-2px 0 18px;padding:12px;border:1px solid rgba(75,56,88,.62);border-radius:18px;background:linear-gradient(110deg,rgba(18,12,24,.93),rgba(10,8,14,.76));overflow:hidden}.archive-art-head img{width:180px;height:118px;object-fit:cover;border-radius:12px;border:1px solid rgba(226,194,119,.28)}.archive-art-head h1{margin:4px 0 0!important;font-size:36px!important}.archive-art-head .eyebrow{margin:0}
.page-intro>img[src*="chibi-"]{width:min(320px,100%);aspect-ratio:1/1;object-fit:cover;border-radius:50%;border:1px solid rgba(230,198,128,.4);background:rgba(16,10,22,.8);padding:0;filter:drop-shadow(0 20px 50px rgba(0,0,0,.5))}
.source-card{position:relative;overflow:hidden}.source-card::after{content:"";position:absolute;right:-35px;bottom:-42px;width:150px;height:150px;border-radius:50%;background-image:url('assets/art/chibi-sources.webp');background-size:cover;opacity:.12;pointer-events:none}
.operator{position:relative;overflow:hidden}.operator::after{content:"";position:absolute;right:-38px;bottom:-38px;width:115px;height:115px;border-radius:50%;background:url('assets/art/chibi-hgl.webp') center/cover;opacity:.07;pointer-events:none}
.search-wrap{position:relative}.search-wrap::after{content:"";position:absolute;right:16px;top:64px;width:110px;height:110px;border-radius:50%;background:url('assets/art/chibi-search.webp') center/cover;opacity:.11;pointer-events:none}
.hero-actions{display:flex;gap:10px;flex-wrap:wrap}.hero-actions .art-action{backdrop-filter:blur(8px)}
@media(max-width:900px){#nav a{grid-template-columns:38px minmax(0,1fr)}#nav a img{width:34px;height:34px}.gateway-card{grid-template-columns:82px 1fr}.gateway-chibi{width:82px;height:82px}.arthratan-mosaic{grid-template-columns:1fr}.arthratan-mosaic .art-card:nth-child(3n){grid-column:auto}.archive-art-head{grid-template-columns:120px 1fr}.archive-art-head img{width:120px;height:100px}}
@media(max-width:600px){.gateway-card{grid-template-columns:68px 1fr;min-height:130px}.gateway-chibi{width:68px;height:68px}.archive-art-head{grid-template-columns:1fr}.archive-art-head img{width:100%;height:170px}.archive-art-head h1{font-size:31px!important}.art-action span{white-space:normal}}


/* Masterpages & Concept Ontology Styles (MP-009) */
.concept-card{display:block;text-decoration:none;color:inherit}
.concept-link{display:inline-block;margin-top:14px;color:#e4b76f;font-size:12px;font-weight:800;letter-spacing:.04em}
.concept-nav{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0}
.concept-nav a{color:#d8cfdd;text-decoration:none;border:1px solid #42364d;background:#121017;border-radius:999px;padding:8px 12px;font-size:13px}
.concept-nav a:hover{border-color:#e4b76f;color:#f3d79f}
.formula-stack{display:grid;gap:10px}
.formula{font-family:monospace;background:#18141f;border:1px solid #3d3148;padding:10px 14px;border-radius:8px;color:#f0c7ff;font-size:14px}