:root{--bg:#080d16;--side:#0a111c;--surface:#101a28;--surface2:#131f2f;--line:#203044;--ink:#e2ecf5;--muted:#8293a7;--dim:#53677d;--cyan:#35d9f2;--blue:#477bff;--violet:#a78bfa;--teal:#55c8b4;--sans:Arial,Helvetica,sans-serif;--mono:'Courier New',monospace;--gutter:clamp(20px,3vw,46px)}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;background:var(--bg);color:var(--ink);font:13px/1.55 var(--sans)}button,input,select,textarea{font:inherit;color:inherit}button,a{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button{cursor:pointer}::selection{background:#35d9f255}.hidden{display:none!important}.mono,.eyebrow,.module-code,.panel-code{font:9px var(--mono);letter-spacing:.1em;color:var(--muted)}.app-shell{min-height:100vh}.sidebar{width:228px;position:fixed;inset:0 auto 0 0;z-index:30;display:flex;flex-direction:column;padding:22px 14px 13px;background:var(--side);border-right:1px solid 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strong{color:var(--violet)}.overview-panel>span:nth-of-type(2){display:block;margin-top:6px;font-size:10px;color:#94a4b7}.panel-arrow{position:absolute!important;right:12px;bottom:10px;color:#60788f;font-size:13px}.signal-bars{position:absolute;right:27px;bottom:20px;height:33px;display:flex;align-items:end;gap:3px;opacity:.6}.signal-bars i{width:3px;background:var(--cyan);height:var(--h,40%)}.signal-bars i:nth-child(3n){--h:82%}.signal-bars i:nth-child(2n){--h:54%}.signal-bars i:nth-child(5n){--h:100%}.mini-orbit{position:absolute;right:16px;bottom:11px;width:69px;height:62px}.mini-orbit i{position:absolute;inset:8px 17px;border:1px solid #477bff88;border-radius:50%;transform:rotate(42deg)}.mini-orbit i:nth-child(2){transform:rotate(-42deg)}.mini-orbit i:nth-child(3){inset:27px 5px;border-color:#477bff55}.book-lines{position:absolute;right:17px;bottom:18px;width:59px;display:grid;gap:5px}.book-lines i{height:1px;background:var(--teal);opacity:.7}.book-lines 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var(--line);background:transparent;text-align:left;transition:background .16s}.timeline-segment:last-child{border:0}.timeline-segment:hover{background:#132338}.timeline-segment .mono{display:block;font-size:8px;color:var(--dim)}.timeline-segment b{display:block;margin-top:12px;font-size:10px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.timeline-segment i{display:block;height:2px;margin-top:12px;background:#1b2d3e}.timeline-segment i:after{content:'';display:block;width:var(--measure);height:100%;background:var(--cyan);box-shadow:0 0 7px #35d9f255}.timeline-segment small{display:block;margin-top:7px;font:7px var(--mono);color:var(--dim);white-space:nowrap}.quick-links{padding:3px 13px}.quick-link{width:100%;min-height:38px;display:grid;grid-template-columns:22px 1fr auto 14px;align-items:center;gap:6px;border:0;border-bottom:1px solid #1a2736;background:transparent;text-align:left;font-size:10px;transition:color .15s,background 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p{margin:0;color:#8293a7;font-size:10px;line-height:1.5}.card-arrow{position:absolute;right:12px;top:12px;color:#5c7990}.empty-state{grid-column:1/-1;padding:35px;color:var(--muted)}.back-link{padding:6px 0;border:0;background:none;color:var(--muted);font:9px var(--mono)}.back-link:hover{color:var(--cyan)}.detail-head{min-height:205px;display:grid;grid-template-columns:1fr minmax(190px,.55fr);gap:25px;align-items:end;padding:24px 0;border-bottom:1px solid var(--line)}.detail-head .eyebrow{color:var(--cyan)}.detail-head h1{margin:12px 0;font-size:clamp(31px,5.5vw,62px);font-weight:500;letter-spacing:-.05em;line-height:1.05}.detail-period{font:8px var(--mono);letter-spacing:.08em;color:var(--muted)}.detail-aside{padding:0 0 4px 14px;border-left:1px solid var(--blue);font:10px var(--mono);letter-spacing:.07em;color:#8da8c5}.detail-body{display:grid;grid-template-columns:170px 1fr;gap:25px;padding:24px 0}.detail-body h3{font:8px 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9px;border:1px solid var(--line);border-radius:3px;background:#101a28;font-size:9px;transition:border .16s,color .16s}.related-chip:hover{border-color:var(--cyan);color:var(--cyan)}.detail-actions{display:flex;gap:6px;flex-wrap:wrap;padding:13px 0;border-top:1px solid var(--line)}.action-button{padding:7px 10px;border:1px solid #2a3a4e;border-radius:3px;background:#0e1825;font-size:9px;transition:border .15s,color .15s}.action-button:hover,.action-button.selected{border-color:var(--cyan);color:var(--cyan)}.detail-reading{display:flex;align-items:center;gap:6px;color:var(--muted);font-size:9px}.detail-reading select{padding:7px;border:1px solid var(--line);border-radius:3px;background:#0e1825;font-size:9px}.detail-note{padding:15px;border:1px solid var(--line);background:#0d1520}.note-area{width:min(100%,650px);min-height:105px;padding:10px;border:1px solid var(--line);border-radius:3px;background:#080f18;resize:vertical}.library-head{display:flex;justify-content:space-between;align-items:end;gap:18px;padding:7px 0 18px;border-bottom:1px solid var(--line)}.library-head h1{margin:8px 0 0;font-size:34px;font-weight:500}.library-actions{display:flex;gap:6px}.library-summary{padding:15px 0;color:var(--muted);font-size:11px}.library-tabs{display:flex;gap:5px;border-bottom:1px solid var(--line)}.library-tabs button{padding:9px 12px;border:0;border-bottom:2px solid transparent;background:none;color:var(--muted);font:8px var(--mono);letter-spacing:.08em}.library-tabs button.active{border-color:var(--cyan);color:var(--cyan)}.library-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 20px;padding-top:8px}.library-entry{display:grid;grid-template-columns:1fr auto auto;gap:8px;padding:12px 0;border-bottom:1px solid var(--line);align-items:center}.library-entry h3{margin:0;font-size:13px;font-weight:500;cursor:pointer}.library-entry h3:hover{color:var(--cyan)}.library-entry p{margin:3px 0 0;color:var(--muted);font-size:9px}.library-entry select{max-width:120px;padding:6px;border:1px solid var(--line);border-radius:3px;background:#0d1520;font:8px var(--mono)}.remove-fav{border:0;background:none;color:var(--muted)}.remove-fav:hover{color:var(--cyan)}.library-empty{grid-column:1/-1;padding:30px 0;color:var(--muted)}.footer{margin-top:20px;padding:12px var(--gutter);border-top:1px solid var(--line);display:flex;justify-content:space-between;color:var(--dim);font:8px var(--mono);letter-spacing:.06em}.footer .mono{font-size:8px}.search-dialog,.export-dialog{width:min(600px,92vw);padding:28px;border:1px solid #294359;border-radius:5px;background:#0b131f;color:var(--ink);box-shadow:0 20px 80px #0009}.search-dialog::backdrop,.export-dialog::backdrop{background:#02050abb;backdrop-filter:blur(3px)}.dialog-close{position:absolute;right:13px;top:8px;border:0;background:none;color:var(--muted);font-size:22px}.search-dialog>input{width:100%;margin:9px 0 13px;padding:12px 0;border:0;border-bottom:1px solid var(--line);outline:0;background:none;font-size:19px}.search-result{padding:10px 4px;border-bottom:1px solid var(--line);font-size:11px;cursor:pointer}.search-result:hover{color:var(--cyan);background:#102034}.search-result small{display:block;color:var(--muted);font:8px var(--mono)}.search-hint{font:8px var(--mono);color:var(--dim)}.export-dialog p{color:var(--muted);font-size:11px}.menu-open .sidebar{transform:translateX(0)}@keyframes appear{from{opacity:.6;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}
@media(min-width:701px) and (max-width:1100px){.sidebar{width:190px}.workspace{margin-left:190px}.overview-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.home-lower{grid-template-columns:1fr}.quick-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 12px}.browse-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.route-strip{grid-template-columns:repeat(2,minmax(0,1fr))}.timeline{overflow-x:auto}.timeline-segment{min-width:118px}.overview-panel{height:160px}.side-nav>a{min-height:44px}.detail-body{grid-template-columns:130px 1fr}}
@media(max-width:700px){.sidebar{width:min(290px,85vw);transform:translateX(-100%);transition:transform .2s;box-shadow:15px 0 45px #0008}.workspace{margin-left:0}.topbar{height:58px;padding:0 14px}.menu-toggle{width:44px;height:44px;display:grid;place-items:center;color:var(--cyan);font-size:20px}.crumb{margin-right:auto;margin-left:8px;font-size:9px}.system-time{display:none}.top-actions{gap:0}.search-trigger{min-width:46px;width:46px;height:46px;justify-content:center;padding:0}.search-trigger span:first-child{font-size:23px}.search-trigger span:nth-child(2),.search-trigger kbd{display:none}.home-view,.browse-page,.detail-page,.library-page{padding:22px 16px 34px}.dashboard-coords{font-size:9px}.dashboard-head h1{font-size:29px}.overview-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.overview-panel{height:150px;padding:13px}.overview-panel strong{font-size:32px}.panel-code{font-size:9px}.overview-panel>span:nth-of-type(2){font-size:12px}.home-lower{gap:9px}.timeline{padding:16px 5px 12px;overflow-x:auto}.timeline-segment{min-width:120px;padding:0 8px}.timeline-segment b{font-size:12px}.timeline-segment small{font-size:9px}.timeline-segment .mono{font-size:10px}.module-head{min-height:68px;padding:12px}.module-head h2{font-size:16px}.module-code{font-size:10px}.module-link{min-height:44px;display:flex;align-items:center;font-size:11px}.quick-links{display:block;padding:4px 12px}.quick-link{min-height:48px;grid-template-columns:27px 1fr auto 18px;font-size:14px}.quick-link .mono,.quick-link small{font-size:9px}.route-strip{grid-template-columns:1fr;padding:7px}.route-node{min-height:66px;padding:9px;grid-template-columns:32px 1fr 18px}.route-number{font-size:12px}.route-node strong{font-size:14px}.route-node small{font-size:9px}.browse-header{align-items:start;flex-direction:column;gap:8px}.browse-header h1{font-size:36px}.browse-header>div:first-child>p:last-child{font-size:14px}.browse-stat{font-size:9px}.browse-tools{align-items:stretch;flex-direction:column;gap:12px;padding:15px 0}.filter-row{display:flex;gap:6px;flex-wrap:wrap}.filter-row select{min-width:0;flex:1;height:46px;padding:8px;font-size:10px}.search-box{min-height:46px}.search-box input{width:100%;font-size:16px}.search-box .mono{font-size:9px}.browse-grid{grid-template-columns:1fr;gap:7px}.browse-card{min-height:0;padding:15px}.browse-card .card-meta{font-size:9px}.browse-card h3{font-size:20px}.browse-card p{font-size:14px}.detail-head{min-height:0;grid-template-columns:1fr;gap:12px;padding:20px 0}.detail-head h1{font-size:clamp(34px,9vw,46px)}.detail-aside{font-size:12px}.detail-body{grid-template-columns:1fr;gap:0;padding:16px 0}.detail-body p{font-size:17px}.detail-body h3{font-size:10px}.relation-map{grid-template-columns:1fr;gap:7px}.relation-node{min-height:64px;padding:10px 12px 10px 15px}.relation-node small{font-size:9px}.relation-node b{font-size:14px}.detail-actions{gap:8px}.action-button{min-height:46px;padding:9px 12px;font-size:12px}.detail-reading{font-size:12px}.detail-reading select{min-height:44px;font-size:12px}.related-chip{min-height:44px;font-size:12px}.library-head{align-items:start;flex-direction:column}.library-head h1{font-size:36px}.library-actions{width:100%}.library-actions .action-button{flex:1}.library-summary{font-size:14px}.library-tabs{justify-content:space-between;overflow:auto}.library-tabs button{min-height:46px;padding:8px;font-size:9px;white-space:nowrap}.library-list{grid-template-columns:1fr}.library-entry{grid-template-columns:1fr auto;gap:8px;padding:14px 0}.library-entry h3{font-size:16px}.library-entry p{font-size:12px}.library-entry select{min-height:44px;font-size:11px}.library-entry> :nth-child(2){grid-column:1}.library-entry .remove-fav{grid-column:2;grid-row:1;min-width:44px;min-height:44px;font-size:20px}.footer{padding:13px 16px;font-size:9px}.footer .mono{font-size:9px}.footer span:last-child{display:none}.search-dialog,.export-dialog{padding:25px 18px}.search-dialog>input{font-size:18px}.search-result{min-height:52px;font-size:14px}.search-result small{font-size:10px}}
@media(min-width:1101px){body{font-size:17px}.sidebar{width:270px;padding:27px 18px 16px}.workspace{margin-left:270px}.brand{font-size:11px}.brand-mark{width:36px;height:36px;font-size:23px}.side-caption{font-size:10px;margin:40px 11px 20px}.side-nav>a{height:46px;font-size:15px;gap:13px}.nav-icon{font-size:18px;width:20px}.nav-count{font-size:11px}.side-label{font-size:10px;margin:26px 11px 7px}.sidebar-bottom,.sidebar-bottom .mono{font-size:10px}.topbar{height:66px}.crumb{font-size:11px}.system-time{font-size:10px}.search-trigger{height:44px;min-width:260px;padding:0 13px;font-size:14px}.search-trigger span:first-child{font-size:21px}.search-trigger kbd{font-size:11px}.home-view,.browse-page,.detail-page,.library-page{padding:34px clamp(34px,4vw,70px) 54px}.dashboard-head{margin-bottom:25px}.dashboard-head h1{font-size:42px}.dashboard-coords{font-size:11px}.eyebrow,.module-code,.panel-code{font-size:11px}.overview-grid{gap:13px}.overview-panel{height:190px;padding:20px}.panel-code{font-size:10px}.overview-panel strong{font-size:46px;margin-top:18px}.overview-panel>span:nth-of-type(2){font-size:15px}.panel-arrow{font-size:17px}.signal-bars{transform:scale(1.3);transform-origin:bottom right}.mini-orbit{transform:scale(1.3);transform-origin:bottom right}.book-lines{transform:scale(1.3);transform-origin:bottom right}.node-preview{width:112px;height:68px}.home-lower{gap:14px;margin-top:14px}.module{border-radius:7px}.module-head{min-height:76px;padding:15px 19px}.module-head h2{font-size:19px}.module-link{font-size:13px}.timeline{min-height:152px;padding:24px 18px 16px}.timeline-segment{padding:0 12px}.timeline-segment .mono,.timeline-segment small{font-size:10px}.timeline-segment b{font-size:14px}.quick-links{padding:5px 17px}.quick-link{min-height:49px;font-size:14px;grid-template-columns:28px 1fr auto 18px}.quick-link .mono,.quick-link small{font-size:10px}.route-module{margin-top:14px}.route-strip{padding:12px;gap:9px}.route-node{min-height:78px;padding:12px;grid-template-columns:34px 1fr 20px;gap:0 10px}.route-number{font-size:13px}.route-node strong{font-size:14px}.route-node small{font-size:10px}.browse-header{padding-bottom:25px}.browse-header h1{font-size:54px}.browse-header>div:first-child>p:last-child{font-size:15px}.browse-stat{font-size:10px}.browse-tools{padding:20px 0;gap:18px}.filter-row{gap:9px}.filter-row select{height:46px;min-width:150px;padding:9px 26px 9px 12px;font-size:11px}.search-box{min-height:46px}.search-box input{width:250px;font-size:15px}.search-box .mono{font-size:9px}.browse-grid{gap:10px}.browse-card{min-height:185px;padding:18px}.browse-card .card-meta{font-size:9px}.browse-card h3{font-size:22px;margin:14px 0 9px}.browse-card p{font-size:14px;line-height:1.55}.card-arrow{font-size:16px}.detail-head{min-height:280px;padding:32px 0;gap:40px}.detail-head h1{font-size:clamp(54px,5vw,78px)}.detail-period{font-size:10px}.detail-aside{font-size:14px}.detail-body{grid-template-columns:210px 1fr;gap:40px;padding:34px 0}.detail-body h3{font-size:10px}.detail-body p{font-size:18px}.relation-map{gap:9px;margin:14px 0 28px}.relation-node{min-height:76px;padding:12px 14px 12px 17px}.relation-node small{font-size:9px}.relation-node b{font-size:14px}.relation-node i{font-size:15px}.detail-actions{gap:9px;padding:18px 0}.action-button{min-height:46px;padding:10px 15px;font-size:13px}.detail-reading{font-size:13px}.detail-reading select{min-height:46px;font-size:12px}.related-chip{min-height:44px;padding:9px 13px;font-size:12px}.note-area{font-size:16px}.library-head{padding-bottom:25px}.library-head h1{font-size:48px}.library-actions .action-button{min-height:46px;font-size:12px}.library-summary{font-size:16px;padding:20px 0}.library-tabs button{min-height:48px;padding:10px 16px;font-size:10px}.library-list{gap:0 30px}.library-entry{min-height:68px;gap:12px}.library-entry h3{font-size:17px}.library-entry p{font-size:13px}.library-entry select{min-height:44px;font-size:11px}.remove-fav{min-width:44px;min-height:44px;font-size:18px}.search-dialog,.export-dialog{padding:36px}.search-dialog>input{font-size:24px}.search-result{min-height:54px;font-size:15px}.search-result small{font-size:10px}}
@media(max-width:390px){.dashboard-head h1{font-size:26px}.dashboard-coords{font-size:8px}.overview-panel{height:140px;padding:10px}.overview-panel strong{font-size:29px}.overview-panel>span:nth-of-type(2){max-width:110px;font-size:11px}.panel-arrow{right:9px;bottom:7px}.filter-row select{font-size:9px}.library-tabs{gap:0}.library-tabs button{padding-inline:6px;font-size:8px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;transition-duration:.01ms!important}}

/* Atlas direction: a quiet, readable archive with a single cartographic accent. */
:root{
  --bg:#101719;--side:#141e21;--surface:#1a2528;--surface2:#202d30;--line:#354448;
  --ink:#e7e8df;--muted:#b0bbb5;--dim:#909d96;--cyan:#8bc8bd;--blue:#92afb5;
  --violet:#aab5aa;--teal:#9fc6b0;
}
body{background:var(--bg);color:var(--ink)}
.brand-mark{border-radius:2px;box-shadow:none}
.status-light,.live-dot{box-shadow:none}
.topbar{background:#101719f2}
.dashboard-head h1,.browse-header h1,.detail-head h1,.library-head h1,.module-head h2,.browse-card h3{font-family:Georgia,'Times New Roman',serif}
.dashboard-head h1{letter-spacing:-.025em}
.dashboard-head h1 span{color:var(--ink)}
.dashboard-intro{max-width:48ch;margin:8px 0 0;color:var(--muted);font-size:12px}
.dashboard-coords{display:none}
.overview-panel,.browse-card{background:var(--surface);border-radius:2px}
.overview-panel:hover,.browse-card:hover{background:var(--surface2)}
.overview-panel strong,.author-panel strong,.work-panel strong,.concept-panel strong{color:var(--cyan)}
.overview-panel{background:var(--surface)}
.node-preview path{stroke:var(--cyan)}
.node-preview circle{fill:var(--cyan)}
.mini-orbit i{border-color:#8bc8bd66}
.mini-orbit i:nth-child(3){border-color:#8bc8bd44}
.overview-panel:focus-visible,.browse-card:focus-visible,.route-node:focus-visible,
.timeline-segment:focus-visible,.quick-link:focus-visible,.side-nav a:focus-visible,
.module-link:focus-visible,.action-button:focus-visible,.menu-toggle:focus-visible,
.search-trigger:focus-visible,.related-chip:focus-visible,.relation-node:focus-visible,
.library-tabs button:focus-visible,.dialog-close:focus-visible,
.search-result:focus-visible,.back-link:focus-visible,select:focus-visible,
input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--cyan);outline-offset:3px;
}
.browse-card{display:block;color:inherit;text-decoration:none}
.browse-card h3{font-size:19px;line-height:1.28}
.search-result{display:block;color:inherit;text-decoration:none}
.loading-state{padding:22px 0;color:var(--muted);font-size:12px}
.search-box input{outline:none}
.menu-open .sidebar{transform:translateX(0)}
@media(max-width:700px){
  .dashboard-intro{font-size:14px}
  .home-view,.browse-page,.detail-page,.library-page{min-width:0}
  .home-lower{grid-template-columns:minmax(0,1fr)}
  .browse-card p{color:var(--muted)}
  .search-box input::placeholder{color:var(--dim)}
}
.work-original,.work-genre{font-size:14px!important;color:var(--muted);margin:.8rem 0!important}
.work-original i{color:var(--ink)}
.detail-citations{margin:22px 0 28px;padding:16px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.detail-citations h3{margin:0 0 10px;color:var(--cyan)}
.detail-citations ul{display:flex;flex-wrap:wrap;gap:8px 18px;list-style:none;padding:0;margin:0}
.detail-citations a{color:var(--muted);text-decoration:underline;text-decoration-color:var(--line);text-underline-offset:3px}
.detail-citations a:hover,.detail-citations a:focus-visible{color:var(--cyan);text-decoration-color:var(--cyan)}
.detail-fulltext{margin-top:26px}
.detail-fulltext>p{margin:0 0 12px!important;color:var(--muted);font-size:13px!important}
.detail-fulltext ul{gap:8px}
.detail-fulltext li{display:flex}
.detail-fulltext a{display:inline-flex;align-items:center;min-height:44px;padding:8px 12px;border:1px solid var(--line);color:var(--ink);text-decoration:none}
.detail-fulltext a:hover,.detail-fulltext a:focus-visible{border-color:var(--cyan);color:var(--cyan)}

/* Period overview: show each historical range as a readable tile instead of
   compressing every label into one horizontal strip. */
.timeline{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  align-items:stretch;
  gap:8px;
  min-height:0;
  padding:14px;
  overflow:visible;
}
.timeline-segment{
  min-width:0;
  min-height:112px;
  display:flex;
  flex-direction:column;
  align-items:stretch;
  padding:11px 12px;
  border:1px solid var(--line);
  border-radius:4px;
  background:#101b29;
}
.timeline-segment:last-child{border:1px solid var(--line)}
.timeline-segment:hover,.timeline-segment:focus-visible{
  border-color:#34738a;
  background:#142638;
  outline:none;
}
.timeline-segment .mono{font-size:10px;color:var(--cyan)}
.timeline-segment b{
  min-height:2.7em;
  margin-top:7px;
  overflow-wrap:anywhere;
  white-space:normal;
  font-size:14px;
  line-height:1.35;
}
.timeline-segment i{flex:none;margin-top:auto}
.timeline-segment small{
  margin-top:8px;
  overflow-wrap:anywhere;
  white-space:normal;
  font-size:10px;
  line-height:1.35;
}
@media(max-width:700px){
  .timeline{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;padding:12px}
  .timeline-segment{min-height:112px;padding:11px}
  .timeline-segment b{font-size:14px}
}
@media(max-width:340px){
  .timeline{grid-template-columns:1fr}
}

/* Knowledge routes: keep titles and node counts in separate, predictable rows. */
.route-strip{
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:10px;
  padding:14px;
}
.route-node{
  min-width:0;
  min-height:88px;
  grid-template-columns:32px minmax(0,1fr) 20px;
  grid-template-rows:auto auto;
  align-content:center;
  gap:5px 10px;
  padding:13px;
  border-color:var(--line);
  border-radius:5px;
  background:linear-gradient(145deg,#121e2d,#0e1723);
}
.route-node:hover,.route-node:focus-visible{
  border-color:#34738a;
  background:#142638;
  outline:none;
}
.route-number{grid-column:1;grid-row:1/3;align-self:center;font-size:13px}
.route-node strong{
  min-width:0;
  grid-column:2;
  grid-row:1;
  overflow-wrap:anywhere;
  font-size:15px;
  line-height:1.35;
}
.route-node small{
  min-width:0;
  grid-column:2;
  grid-row:2;
  overflow-wrap:anywhere;
  font-size:11px;
  line-height:1.35;
}
.route-node>span:last-child{grid-column:3;grid-row:1/3;align-self:center;font-size:16px}
@media(min-width:701px) and (max-width:1100px){
  .route-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:700px){
  .route-strip{grid-template-columns:1fr;gap:8px;padding:10px}
  .route-node{min-height:76px;padding:12px}
  .route-node strong{font-size:16px}
}

/* Keep the archival surfaces and interactive states on the same restrained palette. */
.module,.detail-note{background:var(--surface)}
.timeline-segment,.route-node,.relation-node,.action-button,.related-chip,
.note-area,.search-trigger,.filter-row select,.library-entry select{background:var(--surface)}
.route-node{border-color:var(--line)}
.side-nav>a:hover,.side-nav>a.active{background:var(--surface2);border-color:var(--line)}
.timeline-segment:hover,.timeline-segment:focus-visible,
.route-node:hover,.route-node:focus-visible,
.relation-node:hover,.related-chip:hover,.action-button:hover,.action-button.selected{
  background:var(--surface2);border-color:var(--cyan)
}
.timeline-segment:focus-visible,.route-node:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
.browse-card p{color:var(--muted)}
.search-box input::placeholder{color:var(--dim)}
.search-box input:focus-visible,.search-dialog>input:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
a:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
.search-label,.search-field-label,.note-field-label{color:var(--muted)}
.search-label{flex:none;font-size:8px}
.search-field-label{display:block;margin-top:8px;font-size:11px}
.note-field-label{display:block;margin:0 0 7px;font-size:11px}
.library-reading{display:flex;align-items:center;gap:6px;color:var(--muted);font-size:9px}
@media(max-width:700px){
  .filter-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}
  .filter-row select:last-child:nth-child(odd){grid-column:1/-1}
}
.concept-card{padding:0}
.concept-card .browse-card-link{display:block;min-height:100%;padding:13px;color:inherit;text-decoration:none}
.concept-card .card-meta{display:block;padding-right:50px}
.concept-info-trigger{position:absolute;top:9px;right:9px;width:44px;height:44px;display:grid;place-items:center;border:1px solid var(--line);border-radius:50%;background:var(--surface2);color:var(--cyan);font:italic 18px Georgia;cursor:pointer}
.concept-info-trigger:hover{border-color:var(--cyan);background:var(--surface2)}
.concept-info-trigger:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
.concept-info-dialog{width:min(580px,92vw);padding:30px;border:1px solid var(--line);border-radius:4px;background:var(--surface);color:var(--ink);box-shadow:0 20px 80px #0009}
.concept-info-dialog::backdrop{background:#02050abb;backdrop-filter:blur(3px)}
.concept-info-dialog h2{max-width:18ch;margin:12px 30px 8px 0;font:500 clamp(26px,4vw,36px)/1.2 Georgia,'Times New Roman',serif}
.concept-info-theme{margin:0;color:var(--cyan);font:9px var(--mono);letter-spacing:.08em;text-transform:uppercase}
.concept-info-text{max-width:62ch;margin:18px 0 0;color:var(--ink);font-size:15px;line-height:1.75}
@media(max-width:700px){
  .concept-card .browse-card-link{padding:15px}
  .concept-info-dialog{padding:25px 20px}
  .concept-info-text{font-size:16px}
}

/* Preguntas y relaciones: editorial, escaneable y adaptable al móvil. */
.question-entry-link{margin-left:8px;color:var(--cyan);text-decoration:underline;text-decoration-color:#35d9f255;text-underline-offset:3px}
.question-topic-list{grid-column:1/-1;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px}
.question-topic{min-height:68px;display:grid;grid-template-columns:30px 1fr auto 18px;align-items:center;gap:8px;padding:12px;border:1px solid var(--line);border-radius:4px;background:#101a28;text-align:left}
.question-topic:hover,.question-topic:focus-visible{border-color:#34738a;background:#142336}
.question-topic>.mono,.question-topic small{color:var(--muted);font-size:9px}
.question-topic strong{font-size:12px;font-weight:500}
.question-topic>b{color:var(--cyan);font-weight:400}
.question-row{position:relative;display:block;min-height:134px;padding:14px 40px 14px 14px;border:1px solid var(--line);border-radius:4px;background:#101a28}
.question-row:hover,.question-row:focus-visible{border-color:#34738a;background:#142336}
.question-row-topic,.question-row-summary{display:block;color:var(--muted);font-size:10px}
.question-row strong{display:block;margin:8px 0;font-size:15px;font-weight:500;line-height:1.4}
.question-row-summary{line-height:1.5}
.question-row-arrow{position:absolute;right:13px;top:14px;color:var(--cyan)}
.concept-relation-groups{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:20px 0}
.relation-group{min-width:0;padding:13px;border:1px solid var(--line);border-radius:4px;background:#0d1520}
.relation-group h4,.question-exploration h3{margin:0 0 10px;color:var(--cyan);font:9px var(--mono);letter-spacing:.08em}
.relation-group h4 span{margin-left:5px;color:var(--dim)}
.relation-links,.question-entity-links{display:flex;flex-wrap:wrap;gap:6px}
.relation-link,.question-entity-link{max-width:100%;min-height:34px;display:inline-flex;align-items:center;gap:8px;padding:6px 9px;border:1px solid #223449;border-radius:3px;background:#111d2b;color:#c6d4e3;font-size:11px}
.relation-link:hover,.question-entity-link:hover,.relation-link:focus-visible,.question-entity-link:focus-visible{border-color:#34738a;color:var(--cyan)}
.relation-link span,.question-entity-link span{color:var(--cyan)}
.relation-more{margin-top:9px;color:var(--muted);font-size:10px}
.relation-more summary{cursor:pointer}
.relation-more .relation-links{margin-top:8px}
.question-exploration{margin:20px 0}
.question-network,.question-reading-section,.question-related-section{margin:0 0 22px}
.question-network h3:not(:first-child){margin-top:20px}
.question-reading-section ol{margin:0;padding:0;list-style:none;border-top:1px solid var(--line)}
.question-reading{padding:13px 0;border-bottom:1px solid var(--line)}
.question-reading>.mono{display:block;margin-bottom:8px;font-size:8px}
.question-reading>a{display:block;width:fit-content;margin:0;color:var(--ink);font-size:14px;font-weight:600}
.question-reading>a:hover{color:var(--cyan)}
.question-reading>p{margin:4px 0 0;color:var(--muted);font-size:11px;line-height:1.55}
.question-care-note{margin:0 0 18px;padding:12px 14px;border-left:2px solid var(--teal);background:#10201f;color:#c5d8d3;font-size:11px;line-height:1.6}
.question-sources>p{color:var(--muted);font-size:10px}
@media(max-width:650px){.question-entry-link{display:inline-block;margin:8px 0 0}.question-topic-list,.concept-relation-groups{grid-template-columns:1fr}.question-topic{min-height:60px;grid-template-columns:25px minmax(0,1fr) auto 14px;padding:10px}.question-topic strong{font-size:11px}.question-row{min-height:0;padding:13px 34px 13px 12px}.question-row strong{font-size:14px}.question-row-summary{font-size:11px}.relation-group{padding:11px}.relation-link,.question-entity-link{min-height:40px;font-size:12px}.question-reading>a{font-size:15px}.question-reading>p,.question-care-note{font-size:12px}}