:root{color-scheme:dark;--bg:#0d1926;--line:#33424f;--text:#eeeae1;--muted:#aab9c6;--accent:#d6b992;--mint:#9dc6c3}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:'Pretendard Variable',Pretendard,system-ui,sans-serif;font-size:16px}button,a,input{-webkit-tap-highlight-color:transparent}button{font:inherit;color:inherit;cursor:pointer}button:disabled{cursor:default}button,a,input{outline-offset:5px}button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--mint)}a{color:inherit;text-decoration:none}button{background:none;border:0}button:hover:not(:disabled){color:#fff}button[hidden],[hidden]{display:none!important}.masthead{height:88px;margin:0 4%;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:24px}.atlas-brand{font-family:Georgia,serif;font-size:26px;letter-spacing:-1px}.atlas-brand i{font-weight:normal;color:var(--accent)}.atlas-brand span{font-family:Arial,sans-serif;display:block;font-size:15px;letter-spacing:1.3px;color:var(--muted);margin-top:4px}.chapter{font-size:15px;letter-spacing:.03em}.chapter b{font-weight:400;color:#647985;margin:0 18px}.edition{font-size:15px;letter-spacing:1.8px;color:var(--muted)}.edition em{font-size:20px;color:var(--accent);margin-left:15px;font-style:normal}main{max-width:1680px;margin:auto;padding:0 4%}.worlds{display:flex;align-items:center;gap:32px;height:89px;border-bottom:1px solid var(--line)}.nav-label{font-size:15px;color:var(--muted);margin-right:10px}.world{height:89px;font-size:20px;position:relative;padding:0 8px}.world small{font-size:15px;margin-left:9px;color:var(--muted)}.world.active:after{content:"";position:absolute;bottom:0;height:2px;background:var(--accent);left:0;right:0}.world:disabled{color:#71808c}.world:disabled small{color:#71808c}.world-note{margin-left:auto;font-size:15px;color:var(--muted)}.intro{padding:43px 0 36px;display:flex;align-items:end;gap:45px}.eyebrow{font-size:15px;letter-spacing:2.2px;color:var(--accent);margin:0 0 16px}h1{font-weight:450;font-size:clamp(42px,4.5vw,68px);letter-spacing:-.065em;line-height:1.05;margin:0}h1 span{color:var(--accent)}.intro-copy{font-size:15px;color:var(--muted);line-height:1.85;margin:0 0 1px}.reset{margin-left:auto;font-size:15px;color:var(--muted);padding:10px 0}.explorer{border-top:1px solid #5a6a74;border-bottom:1px solid var(--line);display:grid;grid-template-columns:minmax(0,1fr) 310px}.viewport{min-width:0;background:radial-gradient(ellipse at 45% 40%,#1e3244 0,transparent 65%);position:relative}.stage-toolbar{height:56px;display:flex;align-items:center;gap:9px;color:var(--muted);font-size:15px;padding:0 23px}.live-dot{width:5px;height:5px;border-radius:50%;background:var(--mint)}.stage-toolbar button{margin-left:auto;color:var(--muted);border:1px solid var(--line);padding:7px 10px;font-size:15px}.stage-toolbar button[aria-pressed=true]{color:var(--text)}.scene{position:relative;min-height:390px;display:flex;align-items:center;overflow:hidden}.scene svg{width:100%;height:auto;display:block;max-height:590px}.coordinate{position:absolute;top:30px;left:24px;font-size:15px;letter-spacing:2px;color:#91a3b2;line-height:2;text-align:center}.coordinate span{font-size:24px;line-height:3}.scene-index{position:absolute;left:24px;bottom:20px;font-size:15px;color:var(--muted);letter-spacing:2px}.scene-index b{font-weight:400;display:block;margin-top:6px;color:var(--accent)}.diagram-note{position:absolute;bottom:20px;right:23px;color:var(--muted);font-size:15px}.layer{transition:transform .65s cubic-bezier(.2,.7,.2,1),opacity .35s,filter .25s;cursor:pointer}.layer:hover,.layer:focus-visible{filter:brightness(1.2)}.layer.selected{filter:brightness(1.1)}.layer-label{pointer-events:none;fill:#bac7d0;font-size:15px}.layer-label path,.layer-label circle{stroke:#9caebb;fill:none;stroke-width:1}.layer-label .svg-name{font-size:17px;fill:#e8e8e4;font-weight:450}.layer.selected .svg-name{fill:#ead2b2}.cross-note{fill:#9fb2bf;font-size:15px}.no-labels .layer-label,.no-labels .cross-note{visibility:hidden}.magnification{padding:20px 23px;border-top:1px solid var(--line);display:flex;align-items:center;gap:20px;font-size:15px}.magnification>span{color:var(--muted)}.distance-buttons{display:flex;align-items:center;gap:8px}.distance-buttons button{padding:9px 11px;font-size:15px;color:var(--muted)}.distance-buttons button.active{color:var(--bg);background:var(--text)}.distance-buttons>span{color:#506171}.distance-note{margin-left:auto;font-size:15px}.experiment{padding:0 23px 21px;display:flex;align-items:center;gap:12px;font-size:15px}.experiment label{color:var(--muted);white-space:nowrap}input[type=range]{accent-color:var(--accent);width:125px}output{color:var(--accent);font-size:15px;min-width:32px}#compare{margin-left:auto;color:var(--mint);font-size:15px;padding:8px 0}#compare span{margin-left:7px}.reader{border-left:1px solid var(--line);padding:25px 26px 0;display:flex;flex-direction:column;background:#101e2b}.reader-top{display:flex;justify-content:space-between;font-size:15px;color:var(--muted);margin-bottom:35px}.reader-top span:last-child{color:var(--accent);font-family:monospace}.reader h2{font-size:36px;letter-spacing:-1.5px;font-weight:450;margin:0 0 5px}.reader .latin{font-family:Georgia,serif;font-size:17px;font-style:italic;color:var(--accent);margin-bottom:25px;display:block}.reader .lead{font-size:20px;line-height:1.6;letter-spacing:-.6px;margin:0 0 20px}.reader p{font-size:15px;line-height:1.85;color:#b8c5cf;word-break:keep-all}.fact{border-left:2px solid #799d9f;padding-left:13px;margin-top:23px}.fact small{font-size:15px;color:var(--mint);letter-spacing:.1em}.fact p{font-size:15px;margin:8px 0}.reader details{border-top:1px solid var(--line);margin-top:20px;padding:15px 0}.reader summary{font-size:15px;cursor:pointer}.reader details p{font-size:15px}.reader-nav{display:flex;flex-wrap:wrap;gap:7px;margin:12px 0 24px}.reader-nav button{border-bottom:1px solid transparent;color:var(--muted);font-size:15px;padding:9px 0;margin-right:8px}.reader-nav button[aria-pressed=true]{border-color:var(--accent);color:var(--accent)}.reader-bottom{margin-top:auto;border-top:1px solid var(--line);padding:20px 0}.reader-bottom>span{font-size:15px;color:var(--muted)}.reader-bottom button{display:flex;justify-content:space-between;align-items:center;width:100%;text-align:left;font-size:15px;padding:12px 0 0;color:var(--accent)}.photo-section{padding:42px 0;border-bottom:1px solid var(--line);scroll-margin-top:20px}.photo-head{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:28px}.photo-head h2{font-weight:400;font-size:29px;letter-spacing:-1px;margin:0}.photo-head button{color:var(--muted);font-size:15px}.photo-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:48px;align-items:center}.photo-grid figure{margin:0}.photo-grid img{width:100%;height:auto;display:block}.photo-grid figcaption{font-size:15px;color:var(--muted);margin-top:13px}.photo-grid h3{font-size:30px;line-height:1.5;font-weight:400;margin:15px 0}.photo-grid p{line-height:1.9;color:#bac7d2;font-size:15px;max-width:420px}.photo-grid a{font-size:15px;color:var(--accent);display:block;margin:25px 0 10px}.photo-grid small{font-size:15px;color:var(--muted);line-height:1.8}.footnotes{display:flex;justify-content:space-between;gap:25px;padding:25px 0 35px;font-size:15px;color:var(--muted)}.footnotes b{font-weight:400;color:var(--text);margin-left:10px}.detail-title{font-size:17px;fill:#e7e7df}.detail-sub{font-size:15px;fill:#a4b8c7}.cell-shape{transition:fill .2s}.tissue-band{cursor:pointer}.tissue-band:hover{filter:brightness(1.2)}
@media(min-width:1550px){.explorer{grid-template-columns:minmax(0,1fr) 360px}.reader{padding:28px 34px 0}.reader p{font-size:16px}.reader .lead{font-size:23px}}
@media(max-width:1100px){.explorer{grid-template-columns:minmax(0,1fr) 280px}.distance-note{display:none}.reader{padding:24px 20px 0}.scene{min-height:400px}.chapter{font-size:15px}.intro{gap:25px}.experiment{flex-wrap:wrap}.experiment #compare{margin-left:auto}.world-note{display:none}.reader-top{margin-bottom:24px}.reader .lead{font-size:18px}.reader p{font-size:15px}}
@media(max-width:760px){main{padding:0 5%}.masthead{height:76px;margin:0 5%}.atlas-brand{font-size:23px}.chapter{display:none}.edition{font-size:15px;letter-spacing:1px}.edition em{font-size:17px}.worlds{height:75px;gap:20px}.nav-label{display:none}.world{height:75px;font-size:19px;padding:0 4px}.world small{font-size:15px;margin-left:5px}.intro{padding:31px 0 27px;flex-wrap:wrap;gap:16px}.intro .eyebrow{font-size:15px;margin-bottom:12px}h1{font-size:47px}.intro-copy{font-size:15px;line-height:1.65}.reset{font-size:15px;margin-left:auto}.explorer{grid-template-columns:1fr}.scene{min-height:280px;margin:0 -10px}.scene svg{min-height:280px}.coordinate{top:8px;left:20px;font-size:15px}.coordinate span{font-size:16px;line-height:2}.stage-toolbar{padding:0 10px;height:48px;font-size:15px}.stage-toolbar button{font-size:15px}.scene-index{left:19px;bottom:12px;font-size:15px}.diagram-note{font-size:15px;right:19px;bottom:12px}.magnification{padding:15px 5px;gap:10px;flex-wrap:wrap}.magnification>span{font-size:15px}.distance-buttons{gap:4px;flex:1;justify-content:space-between}.distance-buttons button{font-size:15px;padding:9px 7px}.distance-buttons>span{font-size:15px}.experiment{padding:0 5px 16px;gap:8px}input[type=range]{width:100px}.experiment label{font-size:15px}#compare{font-size:15px;width:100%;text-align:right}.reader{border-left:0;border-top:1px solid var(--line);padding:24px 22px 0}.reader h2{font-size:32px}.reader-top{margin-bottom:24px}.reader .latin{margin-bottom:20px}.reader .lead{font-size:21px}.reader p{font-size:16px}.reader .fact p,.reader details p{font-size:15px}.reader-nav button{font-size:15px}.reader-bottom button{padding-bottom:4px}.photo-grid{grid-template-columns:1fr;gap:26px}.photo-head h2{font-size:24px;line-height:1.4}.photo-head button{white-space:nowrap}.photo-head .eyebrow{font-size:15px}.photo-grid h3{font-size:26px}.footnotes{flex-direction:column;gap:12px;font-size:15px}.layer-label .svg-name{font-size:21px}.layer-label text:not(.svg-name){font-size:15px}.cross-note{display:none}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

.explorer{grid-template-columns:minmax(0,4fr) minmax(215px,1fr)}.reader{padding:25px 20px 0}.reader-top{gap:10px}.reader p{font-size:15px}.reader .entry-hint{font-size:15px;line-height:1.9;color:var(--accent);border-top:1px solid var(--line);padding-top:20px;margin-top:24px}.reader-bottom{margin-top:24px}.reader-bottom>span{display:none}.reader-bottom button{font-size:16px;line-height:1.6;padding:8px 0}.reader-nav{margin-top:25px}.scene svg{max-height:540px}.intro{padding:27px 0}.intro h1{font-size:48px}.book-route{display:flex;align-items:center;gap:30px;padding:24px 0;border-bottom:1px solid var(--line);font-size:15px;flex-wrap:wrap}.book-route>button:first-child{color:var(--accent);padding:8px 0}.book-route>button:last-child{margin-left:auto;color:var(--muted);font-size:15px}.book-route>button:disabled{opacity:.4}.book-route>div{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.book-route>div>span{color:var(--muted)}.book-route a[aria-current]{color:var(--text)}.book-route a{color:var(--muted)}.book-layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:8%;padding:52px 0 70px}.dictionary-index{align-self:start;position:sticky;top:30px}.dictionary-index label{display:block;font-size:15px;color:var(--muted);margin:26px 0 10px}.dictionary-index input{width:100%;border:0;border-bottom:1px solid #6b7c88;border-radius:0;background:transparent;font:inherit;color:var(--text);font-size:15px;padding:12px 0;outline-offset:2px}.dictionary-index nav{margin-top:18px}.dictionary-index nav a{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:14px 0;color:var(--muted);border-bottom:1px solid var(--line);font-size:15px}.dictionary-index nav small{font-size:15px;color:var(--muted)}.dictionary-index nav a[aria-current]{color:var(--accent);border-bottom-color:var(--accent)}.index-note{font-size:15px;color:#8a9eae;line-height:1.8;margin-top:35px}#no-terms{font-size:15px;color:var(--muted)}.concept-article{max-width:780px;min-width:0;padding-right:20px}.concept-article header{border-bottom:1px solid var(--line);padding-bottom:28px}.concept-article header .eyebrow span{color:var(--muted);letter-spacing:0;margin-left:10px}.concept-article h1{font-size:60px;margin-top:24px;line-height:1.2}.entry-english{font-family:Georgia,serif;font-style:italic;color:var(--accent);font-size:23px;margin:12px 0 30px}.entry-deck{font-size:23px;line-height:1.65;word-break:keep-all;max-width:680px;margin:0 0 24px}.draft-note{font-size:15px;color:var(--muted);margin:0}.entry-toc{display:flex;flex-direction:column;gap:14px;padding:26px 0 32px}.entry-toc a{font-size:15px;color:var(--muted)}.entry-toc span{font-family:monospace;color:var(--accent);margin-right:18px;font-size:15px}.concept-article>section{scroll-margin-top:28px;margin:25px 0 52px}.concept-article h2{font-weight:500;font-size:28px;letter-spacing:-.7px;line-height:1.5;margin:0 0 21px}.concept-article section>p{font-size:18px;line-height:2;word-break:keep-all;color:#d1d8dc;margin:0 0 20px}.term-link{color:#c3d9d3;border-bottom:1px solid #6c9495;padding-bottom:2px}.term-link:hover{color:#f0ddbd;border-color:var(--accent)}.concept-article figure{margin:30px 0}.concept-article figure img{display:block;width:100%;height:auto}.concept-article figcaption{font-size:15px;color:var(--muted);line-height:1.75;margin-top:13px}.concept-article figcaption a{color:var(--accent)}.entry-diagram svg{width:100%;display:block}.entry-related{border-top:1px solid var(--line);padding-top:30px}.entry-related>a{display:flex;justify-content:space-between;gap:20px;padding:21px 0;border-bottom:1px solid var(--line)}.entry-related strong{display:block;font-size:19px;font-weight:450;color:var(--accent)}.entry-related span{display:block;font-size:15px;line-height:1.7;color:var(--muted);margin-top:8px}.entry-related b{font-weight:400;color:var(--accent)}.entry-sources{border-top:1px solid var(--line);padding-top:26px}.entry-sources h2{font-size:17px}.entry-sources p{font-size:15px;color:var(--muted);line-height:1.9}.entry-sources a{text-decoration:underline;text-underline-offset:4px}.dictionary-index a:hover,.book-route a:hover{color:var(--text)}
@media(min-width:1550px){.explorer{grid-template-columns:minmax(0,4fr) minmax(250px,1fr)}}
@media(max-width:1050px){.explorer{grid-template-columns:minmax(0,3fr) 215px}.reader{padding:23px 16px 0}.book-layout{gap:6%;grid-template-columns:185px minmax(0,1fr)}.concept-article{padding-right:0}}
@media(max-width:760px){.explorer{grid-template-columns:1fr}.reader{padding:22px}.reader-top{margin-bottom:17px}.reader .latin{margin-bottom:12px}.reader p{font-size:16px}.reader .entry-hint{margin-top:12px;padding-top:12px}.reader-nav{margin:12px 0}.reader-bottom{margin-top:5px;padding:14px 0 0}.intro h1{font-size:43px}.book-route{gap:12px;padding:17px 0;font-size:15px}.book-route>div{order:3;flex-basis:100%;line-height:1.8;gap:10px}.book-route>button:last-child{font-size:15px}.book-layout{display:flex;flex-direction:column;gap:30px;padding-top:28px}.dictionary-index{position:static;order:2;width:100%;border-top:1px solid var(--line);padding-top:30px}.dictionary-index nav{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}.index-note{display:none}.concept-article h1{font-size:44px;margin-top:20px}.entry-english{font-size:21px;margin-bottom:24px}.entry-deck{font-size:21px}.concept-article h2{font-size:24px}.concept-article section>p{font-size:17px;line-height:1.95}.concept-article>section{margin-bottom:38px}.entry-toc a{font-size:15px}.draft-note{font-size:15px}.entry-related strong{font-size:18px}}
.reader-bottom{border-top:0;padding-top:10px;padding-bottom:26px}
.reader-bottom #deeper{position:relative;isolation:isolate;overflow:hidden;display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;min-height:62px;padding:17px 18px;border:1px solid #ead3ac;border-radius:3px;background:#dcc09a;color:#152432;font-size:16px;font-weight:650;text-align:left;box-shadow:0 4px 18px #dcc09a1a;animation:entry-beacon 4s ease-in-out infinite;transition:background .2s,transform .2s,box-shadow .2s}
.reader-bottom #deeper::before{content:"";position:absolute;z-index:-1;inset:0;background:linear-gradient(110deg,transparent 30%,#fff7df77 49%,transparent 68%);transform:translateX(-150%);animation:entry-sheen 6s ease-in-out infinite;pointer-events:none}
.reader-bottom #deeper span{display:grid;place-items:center;flex:0 0 27px;width:27px;height:27px;border-radius:50%;background:#152432;color:#f3dbb8;font-size:19px;font-weight:400;transition:transform .25s}
.reader-bottom #deeper:hover{background:#efdab8;color:#152432;transform:translateY(-3px);box-shadow:0 9px 25px #dcc09a30;animation:none}
.reader-bottom #deeper:hover span,.reader-bottom #deeper:focus-visible span{transform:translate(2px,-2px)}
.reader-bottom #deeper:focus-visible{outline:3px solid #b9e4df;outline-offset:5px;background:#efdab8;animation:none}
.reader-bottom #deeper:active{transform:translateY(0);box-shadow:0 2px 8px #dcc09a18}
@keyframes entry-beacon{0%,100%{box-shadow:0 4px 18px #dcc09a1a}50%{box-shadow:0 4px 26px #dcc09a40}}
@keyframes entry-sheen{0%,65%{transform:translateX(-150%)}88%,100%{transform:translateX(150%)}}
@media(prefers-reduced-motion:reduce){.reader-bottom #deeper,.reader-bottom #deeper::before{animation:none}.reader-bottom #deeper,.reader-bottom #deeper span{transition:none}.reader-bottom #deeper:hover,.reader-bottom #deeper:hover span,.reader-bottom #deeper:focus-visible span{transform:none}}

/* FC-derived interface palette. Photographic source material is unchanged. */
:root{--atlas-font:'Pretendard Variable',Pretendard,-apple-system,BlinkMacSystemFont,system-ui,sans-serif;--bg:#050d26;--text:#f2f4f6;--muted:#aab8ce;--line:#c0d3f025;--accent:#8fcaff;--mint:#91baff;--fc-blue:#3182f6;--fc-indigo:#182d79}
body{font-family:var(--atlas-font);background:radial-gradient(ellipse at 8% 18%,#16377888 0,transparent 44%),radial-gradient(ellipse at 93% 38%,#302a7655 0,transparent 42%),linear-gradient(145deg,#050d26 0%,#101e40 46%,#081426 78%,#050d26 100%);background-attachment:fixed;-webkit-font-smoothing:antialiased}
.atlas-brand,.atlas-brand span,.reader .latin,.entry-english,.reader-top span:last-child,.entry-toc span{font-family:var(--atlas-font)}
.atlas-brand{font-weight:750;letter-spacing:-1.2px}.atlas-brand i{font-style:normal;font-weight:550;color:#83baff}.atlas-brand span{font-weight:400;letter-spacing:1px}
.reader .latin,.entry-english{font-style:normal;font-weight:400;letter-spacing:.015em;color:#a9c5ec}
h1{color:#f2f4f6}h1 span{color:#9fcaff}.eyebrow,.edition em{color:#96bfff}.world.active:after{background:#3182f6}
.explorer{border-top-color:#90afd850;background:linear-gradient(135deg,#12356130,#09162b40)}
.viewport{background:radial-gradient(ellipse at 38% 40%,#24578c3d,transparent 68%),radial-gradient(ellipse at 82% 80%,#33308026,transparent 60%)}
.reader{background:linear-gradient(160deg,#11284c7a,#0c172ca8);border-left-color:var(--line)}
.reader .entry-hint{color:#a2bce1}.reader-nav button[aria-pressed=true]{color:#9fcaff;border-color:#3182f6}
.distance-buttons button.active{background:#dce9f9;color:#0d2345}.stage-toolbar button[aria-pressed=true]{background:#9dbbf00b;color:#d5e6fc}
.scene-index b,.reader-top span:last-child{color:#8bbcff}.coordinate,.cross-note{color:#91a7c6;fill:#91a7c6}.diagram-note{color:#a3b5ce}
.layer-label .svg-name{fill:#dce8f6}.layer.selected .svg-name{fill:#a9d4ff}.layer-label path,.layer-label circle{stroke:#97b8e3}
/* Anatomical layers are distinguished from the surrounding interface. */
#epiFront stop:first-child{stop-color:#c78ead}#epiFront stop:last-child{stop-color:#985f96}
#dermFront stop:first-child{stop-color:#d89587}#dermFront stop:last-child{stop-color:#b9706b}
#hypFront stop:first-child{stop-color:#e7be65}#hypFront stop:last-child{stop-color:#b68942}
[data-layer=epidermis]>path:first-child{fill:#dbb4aa;stroke:#f2d8c9}
[data-layer=epidermis]>path[fill="#796f78"]{fill:#996d96}
[data-layer=epidermis]>path[stroke="#f0d4bf"]{stroke:#f6d9c1;stroke-width:5}
[data-layer=epidermis]>g[stroke="#dec5b4"]{stroke:#f4dacb}
[data-layer=dermis]>path:first-child{fill:#dca699;stroke:#f0c5b4}
[data-layer=dermis]>path[fill="#294452"]{fill:#a76b6d}
[data-layer=dermis]>path[stroke="#a1c2c7"]{stroke:#743e75;stroke-width:2}
[data-layer=dermis]>path[stroke="#bf7e78"]{stroke:#a72e45}
[data-layer=dermis]>path[stroke="#719eaf"]{stroke:#3c619d}
[data-layer=dermis]>path[stroke="#c0b48b"]{stroke:#ffe5a5}
[data-layer=hypodermis]>path:first-child{fill:#d9b367;stroke:#f2d387}
[data-layer=hypodermis]>path[fill="#554f45"]{fill:#a48146}
[data-layer=hypodermis]>path[stroke="#c4b79b"]{stroke:#f0cf84}
.layer-label .anatomy-caption{font-size:15px;fill:#bac9dd}
[data-layer=epidermis] .layer-label .svg-name{fill:#ecc5e3}
[data-layer=dermis] .layer-label .svg-name{fill:#f1b5a9}
[data-layer=hypodermis] .layer-label .svg-name{fill:#efcc83}
@media(max-width:760px){.layer-label .anatomy-caption{display:none}}
.reader-bottom #deeper{background:linear-gradient(115deg,#245ecb,#245fcb 55%,#2850b1);border-color:#6b9bec8c;color:#fff;box-shadow:0 6px 22px #103e8b38;animation:entry-beacon-blue 4s ease-in-out infinite;font-family:var(--atlas-font)}
.reader-bottom #deeper::before{background:linear-gradient(110deg,transparent 30%,#d9eaff4a 49%,transparent 68%)}
.reader-bottom #deeper span{background:#f0f6ff;color:#2058b6}
.reader-bottom #deeper:hover,.reader-bottom #deeper:focus-visible{background:linear-gradient(115deg,#2b70e5,#315ecc);color:#fff;box-shadow:0 9px 28px #2562d351;animation:none}
.reader-bottom #deeper:focus-visible{outline-color:#bddaff}
.reader-bottom #deeper:active{box-shadow:0 2px 8px #16438c38}
@keyframes entry-beacon-blue{0%,100%{box-shadow:0 5px 18px #1e59c333}50%{box-shadow:0 6px 29px #3182f659}}
input[type=range]{accent-color:#69a6ff}.term-link{color:#a6ceff;border-color:#6396d9}.term-link:hover{color:#e1efff;border-color:#a6ceff}
.concept-article section>p{color:#d3dce9}.entry-related strong,.book-route>button:first-child,.photo-grid a{color:#9ac7ff}.detail-title{fill:#e1eaf6}.detail-sub{fill:#a6b8d0}
@media(max-width:760px){.reader{border-left:0;background:linear-gradient(145deg,#17305b69,#0c172c80)}}
@media(prefers-reduced-motion:reduce){.reader-bottom #deeper,.reader-bottom #deeper::before{animation:none}}

/* Site integration: the approved atlas remains confined to the dictionary. */
body.atlas-page{--ink:#f2f4f6;--paper:#0d1c38;--blue:#8fcaff}
.atlas-page .header{background:#07132be8;border-bottom:1px solid var(--line);color:var(--text)}
.atlas-page .header a,.atlas-page .header button,.atlas-page .brand-name{color:var(--text)}
.atlas-page .header .brand{font:inherit;display:flex;gap:12px}.atlas-page .brand-name small{color:var(--muted)}
.atlas-page .mobile-nav{background:#0d1c38}.atlas-page main{max-width:1600px;margin:auto;padding:0 4%}
.atlas-page .site-footer{background:#07132b;color:#aab8ce}.atlas-page .site-footer a{color:#cbd9ec}
.atlas-page .concept-group{margin:45px 0}.atlas-page .concept-group header{display:flex;gap:20px;align-items:center}
.atlas-page .concept-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0 24px}
.atlas-page .concept-card{background:transparent;border:0;border-bottom:1px solid var(--line);padding:20px 0;color:var(--text)}
.atlas-page .concept-card a,.atlas-page .concept-card h3{color:var(--text)}
.atlas-page .concept-card p,.atlas-page .concept-card small{color:var(--muted)}
.atlas-page .atlas-directory{padding:45px 0}.atlas-directory>header{display:flex;justify-content:space-between;gap:24px;align-items:center;flex-wrap:wrap}.atlas-directory h2{font-size:28px}.atlas-directory input{background:transparent;border:1px solid var(--line);color:var(--text);font:inherit;padding:12px;width:min(100%,340px)}
.atlas-page .wrap.narrow{width:100%;max-width:none;padding:0}.atlas-page .concept-entry-head h1{color:var(--text)}
.atlas-page .concept-definition{color:var(--text)}.atlas-page .concept-definition section{background:transparent;border-color:var(--line)}
.atlas-page .concept-definition p{color:#d3dce9}.atlas-page .concept-definition h2{color:var(--text)}
.atlas-page .concept-entry-summary,.atlas-page .concept-entry-head>p{color:var(--muted)}
.atlas-page .concept-levels{background:transparent;color:var(--muted);border-color:var(--line)}
.atlas-page .concept-levels li[aria-current]{background:#244d8c;color:white}
.atlas-page .concept-subjects,.atlas-page .breadcrumb{color:var(--muted)}
.atlas-page .dictionary-index{max-height:80vh;overflow:auto}.atlas-page .book-layout>.wrap{min-width:0}
.atlas-page .book-layout{grid-template-columns:220px minmax(0,850px);justify-content:center}
.atlas-page .concept-entry-head{padding-top:15px}.atlas-page .planned-entry{padding:45px 0;max-width:800px}.planned-entry h1{font-size:48px}.planned-entry p{line-height:1.9;color:var(--muted)}.planned-entry a{color:var(--accent)}
@media(max-width:760px){.atlas-page .concept-grid{grid-template-columns:1fr}.atlas-page .book-layout{display:flex}.atlas-page .dictionary-index{max-height:none;overflow:visible}.atlas-page .header .brand{gap:8px}.atlas-page .concept-entry-head h1{font-size:42px}}
.atlas-page h2,.atlas-page h3{color:var(--text)}
.atlas-page .concept-entry-head{background:transparent;padding:20px 0 30px;margin:0;border-bottom:1px solid var(--line)}
.atlas-page .concept-entry-head:after{display:none}
.atlas-page .concept-definition>section{display:block;padding:30px 0}.atlas-page .concept-definition h2{margin:12px 0 20px}.atlas-page .concept-definition>section>span{color:var(--accent)}
.atlas-page .concept-sources ol{padding-left:22px;color:var(--muted)}.atlas-page .concept-sources a{color:var(--accent)}
.atlas-page .concept-levels li{background:transparent;color:var(--muted)}.atlas-page .concept-levels li[aria-current]:after{color:#bcd8ff}
.atlas-page .concept-related .concept-grid{grid-template-columns:1fr 1fr}.atlas-page .concept-card h2{color:var(--text)}
.atlas-page .concept-levels{margin:0}.atlas-page .site-footer h2{color:var(--muted)}
.atlas-page #privacy-settings{color:#172c43;background:#fff}.atlas-page #privacy-settings h2,.atlas-page #privacy-settings h3{color:#172c43}
.atlas-page,.atlas-page button,.atlas-page input,.atlas-page [lang=en]{font-family:var(--atlas-font)}
@media(max-width:760px){.atlas-page .concept-related .concept-grid{grid-template-columns:1fr}}
.atlas-page .concept-card>a{background:transparent;padding:8px 0;min-height:210px}.atlas-page .concept-card>a:hover{background:#89bfff0a}
.atlas-page .concept-card-subject,.atlas-page .concept-card b,.atlas-page .concept-group>header>span{color:var(--accent)}
.atlas-page .concept-group>header p:last-child{color:var(--muted)}.atlas-page .concept-grid{border-color:var(--line)}
.atlas-page .concept-sources>p{color:var(--muted)!important}.atlas-page .record-tile-copy{background:#10213d;color:var(--text)}
.atlas-page .record-tile-copy h2,.atlas-page .record-tile-copy p,.atlas-page .record-tile-meta,.atlas-page .record-tile-topics{color:var(--text)}
.atlas-page .record-tile-action{color:var(--accent)}.atlas-page .dictionary-index{scrollbar-width:thin;scrollbar-color:#6684ab transparent}

/* The entry is a single strata view; article diagrams are archived. */
.atlas-page .experiment{border-top:1px solid var(--line);padding-top:20px}
@media(min-width:761px) and (max-width:1050px){.reader-bottom #deeper{font-size:15px;padding:16px 12px;gap:6px;white-space:nowrap}}