/* Paper Atlas page: theory ↔ practice map, dossiers, simulations. Tokens come from style.css. */
:root{--navy:#0c2a4a;--panel:#f5f7fa;--rule:#d9dee5;--soft:#5a6573}
.atlas-page{background:var(--paper)}
.atlas-page .site-header nav a:first-child{color:var(--soft)}

/* hero */
.atlas-hero{padding:52px 0 64px;border-bottom:1px solid var(--rule)}
.atlas-hero .eyebrow{color:var(--soft)}
.atlas-hero-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:56px;align-items:end;margin-top:36px}
.atlas-hero h1{font-size:clamp(36px,4.2vw,58px);font-weight:650;letter-spacing:-.07em;line-height:1.25}
.atlas-hero h1 em{font-style:normal;color:var(--blue)}
.atlas-hero-deck{font-size:14px;line-height:1.9;color:var(--soft)}
.atlas-counts{display:flex;gap:34px;margin-top:26px;padding-top:18px;border-top:1px solid var(--rule);font:9px var(--mono);letter-spacing:.08em;color:var(--soft)}
.atlas-counts b{display:block;font:500 26px/1.2 var(--sans);color:var(--navy);letter-spacing:-.04em;margin-bottom:4px}

/* map */
.map-section{padding:88px 0 80px;background:var(--panel);border-bottom:1px solid var(--rule)}
.map-section .section-intro{margin-bottom:34px}
.map-section .section-intro>.eyebrow{color:var(--blue);margin-bottom:22px}
.map-legend-row{display:flex;flex-wrap:wrap;gap:22px;align-items:center;font-size:11px;margin-bottom:16px}
.map-legend-row .map-hint{margin-left:auto;color:var(--soft);font-size:10px}
.map-scroll{overflow-x:auto;background:#fff;border:1px solid var(--rule);border-top:3px solid var(--navy)}
.theory-map{min-width:980px;padding:10px 18px}
.theory-map svg{width:100%;height:auto}
.col-head{font:10px var(--mono);letter-spacing:.08em;fill:var(--soft)}
.kind-label{font:9px var(--mono);fill:#98a2b0;letter-spacing:.04em}
.map-link{fill:none;stroke-width:1.1;opacity:.16;transition:opacity .2s,stroke-width .2s}
.map-link.direct{opacity:0}
.focused .map-link{opacity:.06}
.focused .map-link.direct{opacity:0}
.focused .map-link.on{opacity:.85;stroke-width:1.8}
.map-node{cursor:pointer;outline:none}
.map-node rect{fill:#fff;stroke:var(--rule);transition:fill .15s,stroke .15s}
.map-node.concept rect{fill:var(--panel)}
.map-node .node-label{font-size:12px;fill:var(--ink)}
.map-node.concept .node-label{font-weight:600;font-size:12.5px}
.map-node .node-year{font:10px var(--mono);fill:var(--soft)}
.map-node:hover rect,.map-node:focus-visible rect{stroke:var(--blue)}
.focused .map-node{opacity:.35}
.focused .map-node.on{opacity:1}
.focused .map-node.on rect{stroke:var(--navy);stroke-width:1.4}
.map-detail{margin-top:22px;background:#fff;border:1px solid var(--rule);padding:26px 30px 30px}
.detail-head .eyebrow{color:var(--blue)}
.detail-head h3{font-size:21px;font-weight:600;letter-spacing:-.04em;margin:10px 0 8px;line-height:1.45}
.detail-head p{font-size:13px;color:var(--soft);line-height:1.85;max-width:900px}
.detail-cols{display:grid;grid-template-columns:1fr 1.4fr;gap:40px;margin-top:22px;padding-top:18px;border-top:1px solid var(--rule)}
.detail-cols h4{font:10px var(--mono);letter-spacing:.08em;color:var(--blue);margin:0 0 12px}
.detail-cols ul{list-style:none;margin:0;padding:0}
.detail-cols li{padding:9px 0;border-bottom:1px solid #eef1f4;font-size:12px;line-height:1.75}
.detail-cols li b{display:block;font-weight:600;font-size:12.5px;margin-bottom:3px}
.detail-cols li span{color:var(--soft)}
.detail-cols .chip-list{display:flex;flex-wrap:wrap;gap:8px}
.detail-cols .chip-list li{border:1px solid var(--rule);padding:5px 10px;font-size:11px}
.detail-cols .chip-list a:hover{color:var(--blue)}
.map-detail .primary-link{margin-top:22px}

/* dossier layout */
.dossier-section{padding:80px 0 60px}
.dossier-layout{display:grid;grid-template-columns:210px 1fr;gap:56px;align-items:start}
.paper-index{position:sticky;top:24px;max-height:calc(100vh - 48px);overflow:auto;padding-right:6px}
.paper-index .eyebrow{color:var(--blue);margin-bottom:16px}
.index-filters{display:flex;flex-wrap:wrap;gap:4px;margin-bottom:14px}
.index-filters button{border:1px solid var(--rule);background:#fff;font-size:10px;padding:5px 8px;color:var(--soft)}
.index-filters button.active{background:var(--navy);border-color:var(--navy);color:#fff}
#paper-index-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--rule)}
#paper-index-list a{display:grid;grid-template-columns:8px 38px 1fr;gap:8px;align-items:center;padding:8px 6px;border-bottom:1px solid #eef1f4;font-size:12px}
#paper-index-list a i{width:6px;height:6px;border-radius:50%}
#paper-index-list a:hover{background:var(--panel)}
#paper-index-list a.active{background:#e8eef6;color:var(--navy);font-weight:600}
.idx-year{font:10px var(--mono);color:var(--soft)}
.dossier-body{min-width:0;outline:none}

/* dossier head */
.dossier-head{border-top:3px solid var(--navy);padding-top:26px}
.dossier-head h2{margin-top:16px}
.dossier-title{font:17px/1.55 AtlasSerif,Georgia,serif;margin-top:8px}
.dossier-meta{font:10px/1.8 var(--mono);color:var(--soft);margin-top:10px}
.dossier-hook{font-size:15px;line-height:1.85;margin-top:20px;padding-left:16px;border-left:3px solid var(--blue);max-width:820px}
.dossier-key{display:grid;grid-template-columns:1.3fr 1fr;gap:0;margin-top:26px;border:1px solid var(--rule)}
.key-eq{padding:20px 14px;background:var(--panel);overflow-x:auto;font-size:15px;display:flex;align-items:center;justify-content:center}
.key-q{padding:18px 22px}
.key-q span{font:9px var(--mono);letter-spacing:.1em;color:var(--blue)}
.key-q p{font-size:13px;line-height:1.8;margin-top:8px}
.dossier-toc{display:flex;flex-wrap:wrap;gap:0;margin-top:26px;border-block:1px solid var(--rule);position:sticky;top:0;background:rgba(255,255,255,.97);z-index:5}
.dossier-toc a{font-size:11.5px;padding:12px 14px 11px;display:flex;gap:6px;align-items:baseline;border-bottom:2px solid transparent}
.dossier-toc a span{font:9px var(--mono);color:var(--soft)}
.dossier-toc a:hover{color:var(--blue);border-color:var(--blue)}

/* sections */
.d-sec{padding:58px 0 10px;scroll-margin-top:48px}
.d-sec>h3{font-size:24px;font-weight:600;letter-spacing:-.045em;margin-bottom:24px;display:flex;align-items:baseline;gap:14px;line-height:1.4}
.d-sec>h3>span{font:11px var(--mono);color:var(--blue);letter-spacing:.06em}
.d-sec>p{font-size:14px;line-height:1.95;color:#2f3a48;margin:14px 0;max-width:860px}
.d-sec h4{font-size:14px;font-weight:600;letter-spacing:-.02em;margin:0 0 8px}
.eq{margin:14px 0 4px;padding:16px 12px;background:var(--panel);border-left:2px solid var(--blue);overflow-x:auto;font-size:14.5px}
.eq .katex-display{margin:0}
.findings{margin-top:26px;padding:20px 24px;border:1px solid var(--rule);background:#fff}
.findings h4,.limit h4,.sim-guide h4{font:10px var(--mono);letter-spacing:.09em;color:var(--blue)}
.findings ul{margin:10px 0 0;padding-left:18px}
.findings li{font-size:13px;line-height:1.85;margin:6px 0;color:#2f3a48}
.model-block{padding:18px 0;border-bottom:1px solid #eef1f4}
.model-block p,.steps p,.id-card p,.debates p{font-size:13.5px;line-height:1.9;color:#2f3a48}
.steps{list-style:none;margin:0;padding:0;counter-reset:step}
.steps li{position:relative;padding:18px 0 18px 46px;border-bottom:1px solid #eef1f4;counter-increment:step}
.steps li::before{content:counter(step,decimal-leading-zero);position:absolute;left:0;top:19px;font:11px var(--mono);color:#fff;background:var(--navy);width:30px;height:22px;display:grid;place-items:center}
.id-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px}
.id-card{border:1px solid var(--rule);border-top:2px solid var(--blue);padding:18px 20px;background:#fff}
.limit{margin-top:18px;padding:16px 20px;background:#fbf3f0;border-left:3px solid var(--rust)}
.limit h4{color:var(--rust)}
.limit p{font-size:13px;line-height:1.85;margin-top:6px}

/* simulation */
.sim-layout{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:28px;align-items:start}
.sim-panel{border:1px solid var(--rule);border-top:3px solid var(--navy);background:#fff;padding:18px 20px 16px}
.sim-head{display:flex;justify-content:space-between;font:9px var(--mono);letter-spacing:.07em;color:var(--soft);padding-bottom:12px;border-bottom:1px solid var(--rule)}
.sim-controls{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px 22px;padding:14px 0;align-items:end}
.sim-range{font-size:11px;color:var(--soft);display:block}
.sim-range-row{display:flex;align-items:center;gap:10px;margin-top:6px}
.sim-range output{font:12px var(--mono);color:var(--blue);min-width:42px;text-align:right}
.sim-toggle{grid-column:1/-1;font-size:11px;color:var(--soft);display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.sim-toggle .segmented button{font-size:11px}
.sim-resample{justify-self:start;background:#fff;border:1px solid var(--rule);font-size:11px;padding:7px 12px}
.sim-resample:hover{border-color:var(--blue);color:var(--blue)}
.sim-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:0;border-block:1px solid var(--rule);margin:4px 0 8px}
.sim-stats>div{padding:12px 12px 12px 0;display:flex;flex-direction:column;gap:3px}
.sim-stats>div+div{padding-left:12px;border-left:1px solid #eef1f4}
.sim-stats strong{font:500 19px/1.3 var(--sans);color:var(--navy);letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.sim-stats span{font-size:10.5px;color:var(--soft);line-height:1.5}
.sim-stats small{font-size:9.5px;color:var(--blue);line-height:1.5}
.sim-chart{position:relative}
.sim-svg{width:100%;height:auto;display:block;font-family:var(--sans)}
.sim-svg .grid line{stroke:#e9ecf0}
.sim-svg .axis text{font:10px var(--mono);fill:#5a6573}
.sim-svg .axis path,.sim-svg .axis line{stroke:#b8c0cb}
.sim-svg .axis-label,.sim-svg .panel-title{font-size:11px;fill:#3a4553}
.sim-svg .panel-title{font-weight:600;font-size:12px}
.sim-svg .mark-label,.sim-svg .dot-value{font:10px var(--mono);fill:#0c2a4a}
.sim-svg .row-label{font-size:11px;fill:#2f3a48}
.sim-dots{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.sim-legend{display:flex;flex-wrap:wrap;gap:6px 16px;font-size:10.5px;color:#3a4553;margin-top:8px}
.sim-legend span{display:inline-flex;align-items:center;gap:6px}
.sim-legend i{display:inline-block;width:16px;height:3px}
.sim-status{font:10px var(--mono);color:var(--blue);margin-top:6px}
.sim-guide{padding:4px 0}
.sim-guide ol{margin:12px 0 0;padding-left:18px}
.sim-guide li{font-size:13px;line-height:1.85;margin-bottom:10px;color:#2f3a48}
.takeaway{margin-top:18px;background:var(--navy);color:#f2f5f9;padding:18px 20px}
.takeaway span{font:9px var(--mono);letter-spacing:.12em;color:#8fb3dc}
.takeaway p{font-size:13px;line-height:1.85;margin-top:6px}
.takeaway .katex{color:#fff}

/* practice */
.chain{display:grid;grid-template-columns:auto 24px 1fr 24px 1.3fr;align-items:stretch;gap:10px;margin-bottom:22px}
.chain>div{border:1px solid var(--rule);padding:12px 14px;display:flex;flex-direction:column;gap:6px;background:#fff}
.chain>div span{font:9px var(--mono);letter-spacing:.08em;color:var(--soft)}
.chain>div b{font-size:12px;font-weight:600;line-height:1.5}
.chain>i{font-style:normal;align-self:center;text-align:center;color:var(--blue)}
.practice-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:14px}
.practice-card{border:1px solid var(--rule);padding:18px 20px;background:#fff}
.practice-card .kind{font:9px var(--mono);letter-spacing:.08em;color:#fff;background:var(--navy);padding:3px 7px;display:inline-block;margin-bottom:10px}
.practice-card .how{font-size:13px;line-height:1.85;color:#2f3a48}
.practice-card .note{font-size:11.5px;line-height:1.8;color:var(--soft);margin-top:10px;padding-top:10px;border-top:1px dashed var(--rule)}
.debates{display:grid;gap:0}
.debates>div{padding:16px 0;border-bottom:1px solid #eef1f4}
.reading-actions{display:flex;align-items:flex-start;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-top:18px}
.reading-actions .primary-link{margin-top:0}
.next-list{display:flex;flex-direction:column;gap:8px;font-size:13px}
.next-list span{font:9px var(--mono);letter-spacing:.09em;color:var(--soft)}
.next-list a{color:var(--blue)}
.next-list a:hover{text-decoration:underline}
.dossier-pager{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:60px;border-top:1px solid var(--rule);padding-top:22px}
.dossier-pager a{display:flex;flex-direction:column;gap:4px;padding:14px 16px;border:1px solid var(--rule);font-size:14px;font-weight:500}
.dossier-pager a span{font:9px var(--mono);color:var(--soft);letter-spacing:.08em}
.dossier-pager a.next{text-align:right}
.dossier-pager a:hover{border-color:var(--blue);color:var(--blue)}

@media(max-width:1100px){.dossier-layout{grid-template-columns:180px 1fr;gap:32px}.sim-layout{grid-template-columns:1fr}.detail-cols{grid-template-columns:1fr;gap:18px}}
@media(max-width:800px){
  .atlas-hero-grid{grid-template-columns:1fr;gap:26px}
  .map-legend-row .map-hint{width:100%;margin:0}
  .dossier-layout{grid-template-columns:1fr}
  .paper-index{position:static;max-height:none}
  #paper-index-list{display:flex;gap:6px;overflow-x:auto;border:0;padding-bottom:6px}
  #paper-index-list a{grid-template-columns:8px auto auto;white-space:nowrap;border:1px solid var(--rule)}
  .dossier-key{grid-template-columns:1fr}
  .chain{grid-template-columns:1fr}.chain>i{transform:rotate(90deg)}
  .sim-dots{grid-template-columns:1fr}
  .map-detail{padding:20px}
}
@media(max-width:520px){.sim-svg .axis text{font-size:18px}.sim-svg .axis-label,.sim-svg .mark-label,.sim-svg .dot-value{font-size:19px}.sim-dots .sim-svg text{font-size:13px}.sim-panel{padding:14px 12px}.d-sec>h3{font-size:20px}}
/* real-data section */
.data-section{padding:88px 0 70px;border-bottom:1px solid var(--rule)}
.data-section .section-intro>.eyebrow{color:var(--blue);margin-bottom:22px}
.data-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.data-card{border:1px solid var(--rule);border-top:3px solid var(--navy);background:#fff;padding:20px 22px 18px;min-width:0}
.data-card:first-child{grid-column:1/-1}
.data-head .eyebrow{color:var(--blue);font-size:9px}
.data-head h3{font-size:18px;font-weight:600;letter-spacing:-.04em;margin:8px 0 6px;line-height:1.45}
.data-head p{font-size:12.5px;line-height:1.85;color:var(--soft)}
.data-views{margin:12px 0 4px}
.data-views button{font-size:11px}
.data-source{font:9.5px/1.7 var(--mono);color:#7a8492;margin-top:10px}
.data-links{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.data-links a,.data-links span{font-size:10.5px;padding:3px 8px;border:1px solid var(--rule)}
.data-links a{color:var(--blue);border-color:#b8cbe4}
.data-links a:hover{background:#e8eef6}
.data-markup-note{margin-top:22px;padding:14px 18px;background:var(--panel);border-left:3px solid var(--rust);font-size:12.5px;line-height:1.85;color:#2f3a48}
.data-sources{margin-top:14px}
.dossier-data{margin:26px 0 8px}
.dossier-data>h4{font:10px var(--mono);letter-spacing:.09em;color:var(--blue);margin-bottom:12px}
.dossier-data-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(360px,1fr));gap:16px}
.data-card.compact:first-child{grid-column:auto}
@media(max-width:800px){.data-grid{grid-template-columns:1fr}.dossier-data-grid{grid-template-columns:1fr}}
.data-card:first-child .sim-chart{max-width:880px}
.data-card:first-child .sim-stats{max-width:880px}
.plain{margin-top:10px;padding:10px 14px;background:#fffaf0;border:1px solid #f1dfb8;font-size:13px!important;line-height:1.8!important;color:#3a3322!important;display:flex;gap:10px;align-items:baseline}
.plain > span:first-child{flex-shrink:0;font:10px var(--mono);letter-spacing:.08em;color:#fff;background:#d08a2e;padding:2px 6px}
/* explanatory figures */
.viz-panel{border:1px solid var(--rule);border-top:3px solid var(--navy);background:#fff;padding:16px 20px 14px}
.viz-controls{display:flex;flex-wrap:wrap;align-items:center;gap:12px 20px;margin-bottom:10px}
.viz-controls .sim-range{min-width:260px;flex:1}
.viz-reset{background:#fff;border:1px solid var(--rule);font-size:11px;padding:7px 12px}
.viz-reset:hover{border-color:var(--blue);color:var(--blue)}
.viz-3d{height:420px;border:1px solid #eef1f4;background:linear-gradient(180deg,#fff,#f5f7fa);overflow:hidden}
.viz-axis-label{position:absolute;transform:translate(-50%,-50%);font:11px var(--mono);color:var(--navy);pointer-events:none;white-space:nowrap}
.viz-readout{display:flex;flex-direction:column;gap:3px;padding:10px 0;border-block:1px solid #eef1f4;margin-bottom:8px}
.viz-readout b{font:500 16px var(--sans);color:var(--navy)}
.viz-readout span{font-size:12px;color:var(--soft);line-height:1.7}
.viz-readout.inline{border:0;padding:0;margin:0;font-size:12.5px;color:#2f3a48;display:block}
.primary-small{background:var(--navy);color:#fff;border:0;font-size:12px;padding:9px 14px}
.primary-small:hover{background:var(--blue)}
.viz-caption{font-size:12.5px;line-height:1.8;color:var(--soft);margin-top:10px}
.viz-fallback{font-size:12px;color:var(--soft);padding:20px}
@media(max-width:520px){.viz-3d{height:320px}}
.data-control{max-width:420px;margin:10px 0 4px}
.atlas-guide-link{display:inline-flex;align-items:center;gap:10px;margin-top:20px;font-size:13px;font-weight:600;color:var(--blue);border:1px solid #b8cbe4;padding:9px 14px}
.atlas-guide-link span{font:9px var(--mono);letter-spacing:.08em;color:#fff;background:var(--blue);padding:3px 6px}
.atlas-guide-link:hover{background:#e8eef6}
.plain{display:block}
.plain > span:first-child{display:inline-block;margin-right:9px;vertical-align:1px}