:root{
  --bg:#edf1f4;
  --bg-deep:#e5ebef;
  --surface:rgba(248,250,252,.86);
  --surface-solid:#f7f9fb;
  --surface2:#e6ecf1;
  --ink:#121a24;
  --muted:#667484;
  --faint:#84909d;
  --line:#ccd6de;
  --brand:#70879d;
  --accent:#58718a;
  --accent-strong:#405a73;
  --accent-soft:rgba(88,113,138,.12);
  --warning:#8f7658;
  --success:#58718a;
  --danger:#9d605c;
  --shadow:0 24px 80px rgba(31,48,65,.10);
  --shadow-soft:0 14px 45px rgba(31,48,65,.07);
  --radius:22px;
  --max:1260px;
  --sans:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --mono:"SFMono-Regular",Consolas,"Liberation Mono",monospace;
  color-scheme:light;
}
html[data-theme="dark"]{
  --bg:#07101a;
  --bg-deep:#09131e;
  --surface:rgba(13,25,38,.84);
  --surface-solid:#0d1926;
  --surface2:#122131;
  --ink:#edf2f7;
  --muted:#9cabb9;
  --faint:#718191;
  --line:#263746;
  --brand:#91a6b9;
  --accent:#a0b2c2;
  --accent-strong:#c2d0dc;
  --accent-soft:rgba(145,166,185,.11);
  --warning:#c0a482;
  --success:#9fb2c3;
  --danger:#c48c87;
  --shadow:0 26px 90px rgba(0,0,0,.30);
  --shadow-soft:0 16px 50px rgba(0,0,0,.22);
  color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--bg)}
body{margin:0;min-height:100vh;color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.58;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;background:
  radial-gradient(circle at 78% -8%,color-mix(in srgb,var(--brand) 13%,transparent),transparent 31%),
  radial-gradient(circle at 5% 34%,color-mix(in srgb,var(--brand) 5%,transparent),transparent 28%),
  linear-gradient(180deg,var(--bg),var(--bg-deep) 52%,var(--bg));
background-attachment:fixed;padding-bottom:92px}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit}
button{color:inherit}
.skip-link{position:fixed;left:14px;top:12px;z-index:1000;padding:9px 13px;border-radius:10px;background:var(--ink);color:var(--bg);transform:translateY(-180%)}
.skip-link:focus{transform:none}

.site-header{position:sticky;top:0;z-index:90;max-width:var(--max);min-height:82px;margin:0 auto;padding:0 28px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:30px;border-bottom:1px solid color-mix(in srgb,var(--line) 72%,transparent);background:color-mix(in srgb,var(--bg) 78%,transparent);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}
.brand{display:flex;align-items:center;gap:11px;flex:none;min-width:max-content}
.brand-ring,.lx-circle{display:inline-block;width:27px;height:27px;border:2.5px solid var(--brand);border-radius:50%;flex:none;box-shadow:0 0 0 1px color-mix(in srgb,var(--brand) 8%,transparent)}
.brand-ring.mini,.lx-circle.mini{width:21px;height:21px;border-width:2px}
.wordmark{font-size:18px;font-weight:700;letter-spacing:-.035em}
.main-nav{display:flex;justify-content:center;gap:22px;align-items:center}
.main-nav a{position:relative;color:var(--muted);font-size:13px;font-weight:500;padding:9px 0}
.main-nav a:hover,.main-nav a[aria-current="page"]{color:var(--ink)}
.main-nav a[aria-current="page"]:after{content:"";position:absolute;left:0;right:0;bottom:1px;height:1px;background:var(--brand)}
.header-tools{display:flex;align-items:center;gap:8px}
.lang-switch,.theme-btn{display:grid;place-items:center;min-width:38px;height:38px;border:1px solid var(--line);border-radius:999px;background:color-mix(in srgb,var(--surface-solid) 74%,transparent);color:var(--ink);font-size:11px;font-weight:600;cursor:pointer}
.lang-switch:hover,.theme-btn:hover{border-color:var(--brand)}

main{min-height:65vh}.instrument-mode .site-footer{display:none}.instrument-mode main{min-height:auto}
.hero,.page-intro{max-width:var(--max);margin:0 auto;padding:86px 28px 50px}
.hero{padding-top:96px;position:relative;isolation:isolate}
.hero:before,.instrument-shell:before{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(90deg,transparent calc(50% - .5px),color-mix(in srgb,var(--brand) 7%,transparent) 50%,transparent calc(50% + .5px)),linear-gradient(0deg,transparent calc(50% - .5px),color-mix(in srgb,var(--brand) 5%,transparent) 50%,transparent calc(50% + .5px));background-size:210px 210px;mask-image:linear-gradient(to bottom,rgba(0,0,0,.42),transparent 84%);opacity:.45;z-index:-1}
.eyebrow,.kicker{display:block;color:var(--accent);font-size:10px;line-height:1.3;font-weight:650;letter-spacing:.16em;text-transform:uppercase}
.hero h1,.page-intro h1,.section h2,.panel-head h2,.tool-card h3,.concept h2,.doc-row h2,.doc-page h1,.research-grid h2,.inspector-panel h2{font-family:var(--sans);font-weight:500;letter-spacing:-.035em}
.hero h1{max-width:900px;font-size:clamp(48px,6.2vw,84px);line-height:1.02;margin:17px 0 23px}
.hero p,.page-intro>p{max-width:800px;color:var(--muted);font-size:19px;line-height:1.58;margin:0}
.page-intro h1{font-size:clamp(40px,5vw,64px);line-height:1.04;margin:13px 0 20px}
.page-intro.compact{padding-top:58px;padding-bottom:30px}
.page-intro.compact h1{font-size:clamp(36px,4.6vw,58px);margin-bottom:14px}
.page-intro.compact>p{font-size:16px;max-width:760px}

.now-panel,.section,.tool-grid,.instrument-shell,.note-box,.doc-list,.doc-page,.concept-grid,.research-visual,.research-grid{max-width:calc(var(--max) - 56px);margin-left:auto;margin-right:auto}
.now-panel{position:relative;overflow:hidden;padding:32px 36px;border:1px solid color-mix(in srgb,var(--brand) 28%,var(--line));border-radius:26px;background:linear-gradient(145deg,color-mix(in srgb,var(--surface-solid) 88%,var(--brand) 12%),color-mix(in srgb,var(--surface) 92%,transparent));box-shadow:var(--shadow-soft)}
html[data-theme="dark"] .now-panel{background:radial-gradient(circle at 86% 16%,rgba(145,166,185,.10),transparent 30%),linear-gradient(145deg,rgba(14,28,42,.94),rgba(9,20,31,.92))}
.now-panel:after{content:"";position:absolute;right:-50px;top:-100px;width:260px;height:260px;border:1px solid color-mix(in srgb,var(--brand) 16%,transparent);border-radius:50%;pointer-events:none}
.now-top{position:relative;z-index:1;display:flex;align-items:end;justify-content:space-between;gap:34px}
.now-top h2{font-size:clamp(30px,4.2vw,51px);font-weight:500;letter-spacing:-.045em;line-height:1.05;margin:10px 0 8px}
.lx-name{margin:0;color:var(--muted);font-size:15px}
.now-date{text-align:right;display:grid;gap:1px;min-width:150px}
.now-date b{font-size:18px;font-weight:500}
.now-date span,.now-date time{font-size:11px;color:var(--muted)}
.sync-strip{position:relative;z-index:1;margin-top:24px;padding-top:17px;border-top:1px solid var(--line);display:flex;align-items:center;gap:18px;font-size:11px;color:var(--muted)}
.sync-strip>div{display:flex;align-items:center;gap:10px;min-width:0}
.sync-strip code{font:500 11px var(--mono);padding:5px 8px;border-radius:999px;background:var(--accent-soft);color:var(--ink);white-space:nowrap}
.core-state{margin-left:auto;color:var(--accent);font-weight:600;white-space:nowrap}
.core-state.warn{color:var(--warning)}

.section{padding:78px 0}
.section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:30px}
.section h2{font-size:clamp(30px,3.8vw,48px);line-height:1.08;margin:7px 0 0}
.text-link{font-size:12px;color:var(--accent);font-weight:600;white-space:nowrap}
.cycle-track{display:grid;grid-template-columns:repeat(9,1fr);border:1px solid var(--line);border-radius:18px;overflow:hidden;background:color-mix(in srgb,var(--surface-solid) 82%,transparent);box-shadow:var(--shadow-soft)}
.cycle-node{min-height:104px;border:0;border-right:1px solid var(--line);background:transparent;color:var(--ink);display:flex;flex-direction:column;justify-content:space-between;padding:15px;text-align:left;cursor:pointer;transition:background .18s,border-color .18s}
.cycle-node:last-child{border-right:0}
.cycle-node span{font-size:10px;color:var(--muted)}
.cycle-node b{font-size:20px;font-weight:500}
.cycle-node:hover{background:var(--accent-soft)}
.cycle-node.active{background:color-mix(in srgb,var(--brand) 17%,var(--surface-solid));box-shadow:inset 0 0 0 1px var(--brand)}
.cycle-feedback{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:44px;margin-top:11px;padding:0 4px;color:var(--muted);font-size:12px}
.cycle-feedback p{margin:0}
.cycle-feedback a{color:var(--accent);font-weight:600;white-space:nowrap}
.annotation{color:var(--muted);font-size:12px;max-width:860px;margin:13px 0 0}

.tool-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;padding-bottom:92px}
.tool-card{display:flex;flex-direction:column;min-height:220px;padding:25px;border:1px solid var(--line);border-radius:20px;background:color-mix(in srgb,var(--surface-solid) 86%,transparent);transition:transform .2s,border-color .2s,background .2s}
.tool-card:hover{transform:translateY(-3px);border-color:var(--brand);background:color-mix(in srgb,var(--surface-solid) 90%,var(--brand) 10%)}
.tool-card>span{color:var(--accent);font-size:10px;font-weight:600}
.tool-card h3{font-size:26px;line-height:1.12;margin:46px 0 9px}
.tool-card p{margin:0;color:var(--muted);font-size:13px}

.instrument-page{min-height:calc(100svh - 100px)}
.instrument-shell{position:relative;overflow:hidden;border:1px solid var(--line);border-radius:24px;background:color-mix(in srgb,var(--surface-solid) 88%,transparent);box-shadow:var(--shadow-soft);padding:20px}
.instrument-shell:before{z-index:0;opacity:.28;background-size:170px 170px}
.instrument-shell>*{position:relative;z-index:1}
.instrument-bar{display:flex;align-items:end;gap:10px;padding:2px 2px 17px;border-bottom:1px solid var(--line)}
.instrument-bar label{display:grid;gap:6px;color:var(--muted);font-size:10px;letter-spacing:.04em;text-transform:uppercase}
.instrument-bar input,.admin-form input,.admin-form textarea,.admin-form select,.login-card input{min-height:42px;border:1px solid var(--line);background:var(--surface-solid);color:var(--ink);border-radius:10px;padding:9px 12px;outline:none}
.instrument-bar input:focus,.admin-form input:focus,.admin-form textarea:focus,.admin-form select:focus,.login-card input:focus{border-color:var(--brand);box-shadow:0 0 0 3px var(--accent-soft)}
.primary{min-height:42px;border:1px solid var(--accent-strong);border-radius:10px;padding:0 16px;background:var(--accent-strong);color:var(--bg);font-weight:600;cursor:pointer}
html[data-theme="dark"] .primary{color:#08111b}
.primary:hover{filter:brightness(1.04)}
.instrument-context{margin-left:auto;align-self:center;max-width:440px;color:var(--muted);font-size:11px;text-align:right}
.explorer-layout{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:14px;height:clamp(480px,62svh,680px);padding-top:14px}
.atlas-panel,.inspector-panel{min-width:0;border:1px solid var(--line);border-radius:17px;background:color-mix(in srgb,var(--surface-solid) 92%,transparent)}
.atlas-panel{display:grid;grid-template-rows:auto 1fr;overflow:hidden}
.panel-head{display:flex;align-items:end;justify-content:space-between;gap:16px;padding:15px 17px;border-bottom:1px solid var(--line)}
.panel-head h2{font-size:25px;line-height:1;margin:5px 0 0}
.panel-head>span{font-size:10px;color:var(--muted)}
.lx-grid{min-height:0;display:grid;grid-template-columns:repeat(9,minmax(88px,1fr));align-content:start;overflow:auto;overscroll-behavior:contain;scrollbar-gutter:stable}
.lx-cell{min-height:91px;padding:11px 11px 9px;border:0;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:transparent;color:var(--ink);display:flex;flex-direction:column;gap:2px;text-align:left;cursor:pointer;transition:background .15s,box-shadow .15s}
.lx-cell:nth-child(9n){border-right:0}
.lx-cell b{font-size:18px;font-weight:500}
.lx-cell small{color:var(--muted);font-size:11px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.lx-cell span{margin-top:auto;color:var(--accent);font-size:10px;font-weight:600}
.lx-cell:hover{background:var(--accent-soft)}
.lx-cell.active{background:color-mix(in srgb,var(--brand) 15%,transparent);box-shadow:inset 0 0 0 1px var(--brand)}
.inspector-panel{padding:22px;display:flex;flex-direction:column;overflow:auto;overscroll-behavior:contain}
.inspector-panel h2{font-size:24px;line-height:1.15;margin:11px 0 7px}
.inspector-panel>strong{font-size:21px;font-weight:500;letter-spacing:-.03em;line-height:1.28}
.inspector-panel>time{margin-top:8px;color:var(--muted);font-size:13px}
.inspector-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin-top:22px}
.inspector-grid>div,.metric-row>div{padding:12px;border:1px solid var(--line);border-radius:12px;background:var(--surface)}
.inspector-grid span,.metric-row span{display:block;color:var(--muted);font-size:9px;text-transform:uppercase;letter-spacing:.06em}
.inspector-grid b,.metric-row b{display:block;margin-top:6px;font-size:18px;font-weight:500}
.inspector-action{margin-top:auto;padding-top:20px;color:var(--accent);font-size:12px;font-weight:600}

.mirror-workspace{min-height:460px}
.mirror-stage{min-height:300px;display:grid;grid-template-columns:minmax(190px,1fr) minmax(300px,2fr) minmax(190px,1fr);align-items:center;gap:20px;padding:38px 18px 24px}
.mirror-point{display:grid;gap:5px}
.mirror-point.right{text-align:right}
.mirror-point>span{font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.mirror-point>b{font-size:18px;font-weight:500}
.mirror-point>strong{font-size:13px;font-weight:500;color:var(--muted)}
.mirror-line{display:flex;align-items:center;gap:9px;min-width:0}
.mirror-line i{height:1px;background:var(--brand);flex:1;opacity:.7}
.mirror-line>span{font:500 10px var(--mono);color:var(--muted)}
.epoch{display:grid;text-align:center;flex:none}
.epoch b{font-size:13px;font-weight:500}
.epoch small{margin-top:4px;font-size:8px;color:var(--accent);letter-spacing:.13em}
.metric-row{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}
.note-box{margin-top:18px;margin-bottom:70px;padding:18px 20px;border:1px solid var(--line);border-radius:16px;background:color-mix(in srgb,var(--surface-solid) 82%,transparent)}
.status-note{display:grid;grid-template-columns:auto auto 1fr;align-items:start;gap:28px}
.status-note>div span{display:block;color:var(--muted);font-size:9px;text-transform:uppercase;letter-spacing:.06em}
.status-note>div b{display:block;margin-top:5px;font-size:12px;font-weight:500}
.status-note p{margin:0;color:var(--muted);font-size:12px;line-height:1.55}

.doc-list{padding-bottom:88px}
.doc-row{display:flex;align-items:center;justify-content:space-between;gap:30px;border-top:1px solid var(--line);padding:25px 3px}
.doc-row:last-child{border-bottom:1px solid var(--line)}
.doc-row h2{font-size:26px;line-height:1.12;margin:10px 0 5px}
.doc-row p{color:var(--muted);margin:0;max-width:780px;font-size:13px}
.doc-version{font-size:11px;color:var(--muted);display:flex;gap:11px;white-space:nowrap}
.status,.normative,.informative{display:inline-block;font-size:8px;font-weight:650;letter-spacing:.07em;padding:4px 7px;border:1px solid var(--line);border-radius:999px;background:var(--surface2);color:var(--muted);vertical-align:middle}
.status-canonical,.status-derived,.normative{border-color:color-mix(in srgb,var(--brand) 36%,var(--line));color:var(--accent)}
.status-model{color:color-mix(in srgb,var(--warning) 85%,var(--ink))}
.status-hypothesis{color:#9a7467}
html[data-theme="dark"] .status-hypothesis{color:#c29c8d}
.status-open-question{color:var(--warning)}
.doc-page{max-width:900px;padding:64px 0 100px}
.doc-page header{padding-bottom:35px;border-bottom:1px solid var(--line)}
.doc-page h1{font-size:clamp(38px,5.6vw,64px);line-height:1.03;margin:16px 0}
.doc-page .lede{font-size:18px;color:var(--muted)}
.doc-meta{font-size:10px;color:var(--muted)}
.doc-page section{padding:34px 0;border-bottom:1px solid var(--line)}
.doc-page section p{font-size:16px;line-height:1.72}
.formal-block{font-family:var(--mono);background:var(--surface);padding:25px!important;border:1px solid var(--line)!important;border-radius:16px}
.formal-block p{font-size:13px!important}
.concept-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;padding-bottom:90px}
.concept{padding:28px;border:1px solid var(--line);border-radius:19px;background:color-mix(in srgb,var(--surface-solid) 86%,transparent);min-height:220px}
.concept>span{color:var(--accent);font-size:10px;font-weight:600}
.concept h2{font-size:27px;line-height:1.12;margin:40px 0 12px}
.concept p{color:var(--muted);font-size:13px}
.research-visual{padding:54px 28px;border:1px solid var(--line);border-radius:21px;background:color-mix(in srgb,var(--surface-solid) 86%,transparent);overflow:hidden}
.absolute-line{display:grid;grid-template-columns:repeat(6,1fr);border-top:1px solid var(--brand);padding-top:13px}
.absolute-line span{text-align:center;font-size:10px;color:var(--muted)}
.observers{display:grid;grid-template-columns:repeat(6,1fr);margin-top:34px}
.observer{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;border:1px solid var(--line);background:var(--surface2);position:relative;font-weight:600;margin:auto}
.observer span{position:absolute;top:62px;white-space:nowrap;color:var(--muted);font-size:9px;font-weight:400}
.observer.a{grid-column:2}.observer.shared{grid-column:3;border-color:var(--brand);box-shadow:0 0 0 7px var(--accent-soft)}.observer.b{grid-column:6}
.research-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;padding:62px 0 95px}
.research-grid>div{padding:25px;border:1px solid var(--line);border-radius:18px;background:color-mix(in srgb,var(--surface-solid) 86%,transparent)}
.research-grid h2{font-size:23px;line-height:1.15;margin:24px 0 10px}
.research-grid p{color:var(--muted);font-size:13px}

.bottom-dock{position:fixed;z-index:120;left:50%;bottom:max(14px,env(safe-area-inset-bottom));transform:translateX(-50%);width:min(620px,calc(100% - 28px));height:56px;padding:5px;display:grid;grid-template-columns:repeat(5,1fr);gap:2px;border:1px solid color-mix(in srgb,var(--line) 88%,transparent);border-radius:18px;background:color-mix(in srgb,var(--surface-solid) 88%,transparent);box-shadow:0 18px 50px rgba(0,0,0,.18);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}
.bottom-dock>a,.bottom-dock>button{position:relative;display:grid;place-items:center;border:0;border-radius:13px;background:transparent;color:var(--muted);font-size:10px;font-weight:550;cursor:pointer}
.bottom-dock>a:hover,.bottom-dock>button:hover,.bottom-dock>a[aria-current="page"]{background:var(--accent-soft);color:var(--ink)}
.bottom-dock>a[aria-current="page"]:after{content:"";position:absolute;bottom:5px;width:18px;height:1px;background:var(--brand)}
.dock-more{position:absolute;right:0;bottom:65px;width:220px;padding:7px;border:1px solid var(--line);border-radius:15px;background:var(--surface-solid);box-shadow:var(--shadow);display:grid;gap:2px}
.dock-more[hidden]{display:none}
.dock-more a{padding:11px 12px;border-radius:10px;color:var(--muted);font-size:12px}
.dock-more a:hover,.dock-more a[aria-current="page"]{background:var(--accent-soft);color:var(--ink)}
.site-footer{max-width:var(--max);margin:55px auto 0;border-top:1px solid var(--line);padding:38px 28px 68px;display:grid;grid-template-columns:1fr auto auto;gap:28px;color:var(--muted);font-size:11px}
.footer-brand{display:flex;align-items:center;gap:9px;color:var(--ink)}
.footer-brand strong{font-weight:650}.site-footer p{max-width:450px}.site-footer>div:nth-child(2){display:grid;gap:4px}.footer-meta{text-align:right}

@media(max-width:1080px){
  .site-header{grid-template-columns:auto 1fr;min-height:76px}.main-nav{display:none}.header-tools{justify-self:end}
  .tool-grid{grid-template-columns:repeat(2,1fr)}
  .explorer-layout{grid-template-columns:minmax(0,1fr) 280px;height:clamp(450px,60svh,620px)}
  .lx-grid{grid-template-columns:repeat(6,minmax(82px,1fr))}.lx-cell:nth-child(9n){border-right:1px solid var(--line)}.lx-cell:nth-child(6n){border-right:0}
  .research-grid{grid-template-columns:1fr}.concept-grid{grid-template-columns:1fr}
}
@media(max-width:820px){
  body{padding-bottom:86px}.site-header{padding:0 20px;min-height:70px}.brand-ring{width:25px;height:25px}.wordmark{font-size:17px}
  .hero,.page-intro{padding-left:20px;padding-right:20px}.hero{padding-top:68px;padding-bottom:38px}.hero h1{font-size:clamp(42px,9vw,66px)}.hero p{font-size:17px}
  .now-panel,.section,.tool-grid,.instrument-shell,.note-box,.doc-list,.doc-page,.concept-grid,.research-visual,.research-grid{max-width:calc(100% - 40px)}
  .now-panel{padding:26px}.now-top{align-items:start}.now-top h2{font-size:clamp(29px,6vw,44px)}
  .section{padding:60px 0}.cycle-track{overflow-x:auto;grid-template-columns:repeat(9,minmax(94px,1fr));overscroll-behavior-x:contain}.cycle-node{min-height:92px}
  .page-intro.compact{padding-top:38px;padding-bottom:22px}.page-intro.compact>p{font-size:14px}
  .instrument-shell{padding:14px}.instrument-bar{flex-wrap:wrap}.instrument-context{order:3;width:100%;max-width:none;text-align:left;margin-left:0}
  .explorer-layout{grid-template-columns:1fr;height:auto}.inspector-panel{order:-1;overflow:visible;padding:17px}.inspector-grid{grid-template-columns:repeat(4,1fr);margin-top:15px}.inspector-action{margin-top:13px;padding-top:0}.atlas-panel{height:48svh;min-height:360px}.lx-grid{grid-template-columns:repeat(6,minmax(82px,1fr))}
  .mirror-stage{grid-template-columns:1fr;gap:16px;min-height:0;padding:28px 6px 20px}.mirror-point.right{text-align:left}.mirror-line{order:-1}.metric-row{grid-template-columns:repeat(3,1fr)}
  .status-note{grid-template-columns:1fr 1fr}.status-note p{grid-column:1/-1}
  .site-footer{grid-template-columns:1fr 1fr}.footer-meta{grid-column:1/-1;text-align:left}
}
@media(max-width:620px){
  body{font-size:15px;padding-bottom:82px}.site-header{padding:0 15px;min-height:64px;gap:12px}.brand{gap:9px}.brand-ring{width:23px;height:23px;border-width:2px}.wordmark{font-size:16px}.lang-switch,.theme-btn{min-width:34px;height:34px}
  .hero,.page-intro{padding-left:16px;padding-right:16px}.hero{padding-top:48px;padding-bottom:30px}.hero h1{font-size:42px;letter-spacing:-.04em}.hero p{font-size:16px}
  .page-intro h1{font-size:38px}.page-intro.compact{padding-top:24px;padding-bottom:15px}.page-intro.compact h1{font-size:34px;margin-bottom:10px}.page-intro.compact>p{font-size:13px;line-height:1.45}
  .now-panel,.section,.tool-grid,.instrument-shell,.note-box,.doc-list,.doc-page,.concept-grid,.research-visual,.research-grid{max-width:calc(100% - 28px)}
  .now-panel{padding:21px 18px;border-radius:20px}.now-top{display:grid;gap:16px}.now-date{text-align:left;grid-template-columns:auto auto;gap:4px 9px;align-items:baseline}.now-date time{grid-column:1/-1}.sync-strip{align-items:flex-start;flex-wrap:wrap}.sync-strip>div{display:grid;gap:6px;width:100%}.sync-strip code{width:max-content;max-width:100%;overflow:hidden;text-overflow:ellipsis}.core-state{margin-left:0}
  .section{padding:52px 0}.section-head{align-items:flex-start}.section h2{font-size:31px}.text-link{padding-top:5px}.cycle-feedback{align-items:flex-start;flex-direction:column;gap:4px;padding-top:7px}
  .tool-grid{grid-template-columns:1fr;padding-bottom:62px}.tool-card{min-height:165px}.tool-card h3{margin-top:28px}
  .instrument-shell{max-width:calc(100% - 20px);border-radius:18px;padding:10px}.instrument-bar{display:grid;grid-template-columns:1fr auto;gap:8px}.instrument-bar label{min-width:0}.instrument-bar input{width:100%}.instrument-context{grid-column:1/-1;font-size:10px}
  .inspector-panel{padding:12px}.inspector-panel h2{font-size:19px;margin:6px 0 4px}.inspector-panel>strong{font-size:16px}.inspector-panel>time{margin-top:4px;font-size:11px}.inspector-grid{grid-template-columns:repeat(4,1fr);gap:5px;margin-top:11px}.inspector-grid>div{padding:7px 6px}.inspector-grid span{font-size:7px;letter-spacing:.03em}.inspector-grid b{font-size:14px}.inspector-action{margin-top:10px;font-size:11px}.atlas-panel{height:34svh;min-height:260px}.panel-head{padding:12px}.panel-head h2{font-size:21px}.lx-grid{grid-template-columns:repeat(4,minmax(72px,1fr))}.lx-cell{min-height:78px;padding:9px}.lx-cell:nth-child(6n){border-right:1px solid var(--line)}.lx-cell:nth-child(4n){border-right:0}.lx-cell b{font-size:16px}.lx-cell small{font-size:10px}
  .mirror-workspace{min-height:0}.mirror-stage{padding:22px 4px 14px}.mirror-line{gap:6px}.metric-row{grid-template-columns:1fr}.metric-row>div{display:grid;grid-template-columns:1fr auto;align-items:center}.metric-row b{margin-top:0}.status-note{grid-template-columns:1fr;gap:12px}.status-note p{grid-column:auto}
  .doc-row{align-items:flex-start}.doc-row h2{font-size:22px}.doc-version{padding-top:4px}.doc-page{padding-top:42px}.doc-page h1{font-size:38px}.doc-page section p{font-size:15px}
  .research-visual{padding:38px 10px}.observer{width:42px;height:42px}.observer span{display:none}
  .bottom-dock{bottom:max(8px,env(safe-area-inset-bottom));width:calc(100% - 16px);height:58px;border-radius:17px}.bottom-dock>a,.bottom-dock>button{font-size:9px;min-width:0}.dock-more{right:0;bottom:64px;width:205px}
  .site-footer{max-width:calc(100% - 28px);grid-template-columns:1fr;padding-left:0;padding-right:0}.site-footer>div:nth-child(2){margin-top:5px}.footer-meta{grid-column:auto}
}
@media(max-width:360px){
  .wordmark{font-size:15px}.header-tools{gap:5px}.lang-switch,.theme-btn{min-width:32px;height:32px}
  .bottom-dock>a,.bottom-dock>button{font-size:8.5px}.lx-grid{grid-template-columns:repeat(3,minmax(76px,1fr))}.lx-cell:nth-child(4n){border-right:1px solid var(--line)}.lx-cell:nth-child(3n){border-right:0}.atlas-panel{height:45svh}
}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}


/* ==========================================================================\n   LXCalendarium 1.0.2\n   LXKeys-family geometry with a platform-specific temporal interaction layer.\n   The steel-blue marker is functional: identity, focus, selection and movement.\n   ========================================================================== */
:root{
  --bg:#eef2f5;
  --bg-deep:#e5ebf0;
  --surface:rgba(249,251,252,.88);
  --surface-solid:#f8fafb;
  --surface2:#e7edf2;
  --surface-elevated:#ffffff;
  --ink:#14202b;
  --muted:#667585;
  --faint:#8995a1;
  --line:#cbd6de;
  --brand:#547c98;
  --accent:#4e7692;
  --accent-strong:#3e6682;
  --interactive:#4f7894;
  --interactive-strong:#3d6885;
  --interactive-soft:rgba(79,120,148,.11);
  --accent-soft:var(--interactive-soft);
  --warning:#8b7357;
  --success:var(--interactive);
  --container:1240px;
  --header-envelope:1320px;
  --max:1240px;
  --shadow:0 28px 80px rgba(31,49,66,.12);
  --shadow-soft:0 16px 46px rgba(31,49,66,.075);
}
html[data-theme="dark"]{
  --bg:#071018;
  --bg-deep:#09141e;
  --surface:rgba(12,26,38,.88);
  --surface-solid:#0c1824;
  --surface2:#112231;
  --surface-elevated:#152938;
  --ink:#edf3f7;
  --muted:#a2b0bd;
  --faint:#748391;
  --line:#263b4b;
  --brand:#6f98b4;
  --accent:#7ea8c4;
  --accent-strong:#91b8cf;
  --interactive:#7ea8c4;
  --interactive-strong:#9bc1d7;
  --interactive-soft:rgba(126,168,196,.12);
  --accent-soft:var(--interactive-soft);
  --warning:#b99d79;
  --success:var(--interactive);
  --shadow:0 30px 90px rgba(0,0,0,.34);
  --shadow-soft:0 18px 52px rgba(0,0,0,.24);
}
body{
  font-size:17px;
  padding-bottom:0;
  background:
    radial-gradient(circle at 78% -10%,color-mix(in srgb,var(--brand) 14%,transparent),transparent 31%),
    radial-gradient(circle at 8% 38%,color-mix(in srgb,var(--interactive) 5%,transparent),transparent 28%),
    linear-gradient(180deg,var(--bg) 0%,var(--bg-deep) 50%,var(--bg) 100%);
}

/* Family header geometry: transparent at rest, full-width glass only after scroll. */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  width:min(calc(100% - 36px),var(--header-envelope));
  max-width:none;
  min-height:0;
  margin:0 auto;
  padding:18px 4px;
  grid-template-columns:auto 1fr auto;
  gap:2rem;
  border-bottom:1px solid transparent;
  background:transparent;
  backdrop-filter:none;
  -webkit-backdrop-filter:none;
  transition:background .22s ease,border-color .22s ease,width .22s ease,padding .22s ease;
}
.site-header.scrolled{
  width:100%;
  max-width:none;
  padding-inline:max(24px,calc((100vw - var(--header-envelope))/2));
  border-color:color-mix(in srgb,var(--line) 78%,transparent);
  background:color-mix(in srgb,var(--bg) 84%,transparent);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
}
.brand{gap:14px;min-width:220px}
.brand-ring{width:31px;height:31px;border-width:2.25px;border-color:var(--brand);box-shadow:none}
.wordmark{font-size:20px;font-weight:700;letter-spacing:-.035em;line-height:1}
.main-nav{gap:1.5rem}
.main-nav a{font-size:14px;font-weight:560;padding:8px 0}
.main-nav a[aria-current="page"]:after{bottom:-3px;background:var(--interactive)}
.header-tools{gap:10px}
.lang-switch,.theme-btn,.menu-btn{
  display:grid;
  place-items:center;
  height:39px;
  min-width:39px;
  border:1px solid var(--line);
  border-radius:50%;
  background:color-mix(in srgb,var(--surface-solid) 24%,transparent);
  color:var(--ink);
  transition:border-color .18s ease,background .18s ease,color .18s ease;
}
.lang-switch{border-radius:18px;padding:0 12px;font-size:11px;font-weight:650;letter-spacing:.08em}
.theme-btn,.menu-btn{cursor:pointer}
.menu-btn{display:none;font-size:19px;line-height:1}
.lang-switch:hover,.theme-btn:hover,.menu-btn:hover{
  border-color:color-mix(in srgb,var(--interactive) 58%,var(--line));
  background:var(--interactive-soft);
}
.mobile-menu{position:absolute;top:calc(100% + 1px);right:0;width:min(330px,calc(100vw - 24px));padding:9px;border:1px solid var(--line);border-radius:16px;background:color-mix(in srgb,var(--surface-solid) 96%,transparent);box-shadow:var(--shadow);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}
.mobile-menu[hidden]{display:none}
.mobile-menu nav{display:grid;gap:2px}
.mobile-menu a{padding:11px 12px;border-radius:10px;color:var(--muted);font-size:13px;font-weight:520}
.mobile-menu a:hover,.mobile-menu a[aria-current="page"]{background:var(--interactive-soft);color:var(--ink)}

/* Common LXKeys content geometry. */
.hero,.page-intro{
  width:min(calc(100% - 48px),var(--container));
  max-width:none;
  padding-left:0;
  padding-right:0;
}
.now-panel,.section,.tool-grid,.instrument-shell,.note-box,.doc-list,.doc-page,.concept-grid,.research-visual,.research-grid{
  width:min(calc(100% - 48px),var(--container));
  max-width:none;
}
.site-footer{width:min(calc(100% - 48px),var(--container));max-width:none;padding-left:0;padding-right:0}

/* Neutral surfaces gain depth; color is reserved for temporal action and state. */
.now-panel{
  border-color:color-mix(in srgb,var(--brand) 28%,var(--line));
  background:
    radial-gradient(circle at 88% 14%,color-mix(in srgb,var(--interactive) 10%,transparent),transparent 28%),
    linear-gradient(145deg,color-mix(in srgb,var(--surface-elevated) 90%,var(--brand) 10%),var(--surface-solid));
}
html[data-theme="dark"] .now-panel{
  background:
    radial-gradient(circle at 88% 14%,rgba(126,168,196,.13),transparent 29%),
    linear-gradient(145deg,#102332,#0b1925 58%,#0a1621);
}
.instrument-shell{
  border-color:color-mix(in srgb,var(--line) 92%,var(--brand));
  background:linear-gradient(145deg,color-mix(in srgb,var(--surface-solid) 96%,var(--brand) 4%),var(--surface));
}
.atlas-panel,.inspector-panel{
  background:linear-gradient(155deg,var(--surface-elevated),var(--surface-solid));
  border-color:color-mix(in srgb,var(--line) 88%,var(--brand));
}
html[data-theme="dark"] .atlas-panel,html[data-theme="dark"] .inspector-panel{
  background:linear-gradient(155deg,#122433,#0c1925);
}
.inspector-grid>div,.metric-row>div{background:color-mix(in srgb,var(--surface2) 78%,var(--surface-solid));border-color:color-mix(in srgb,var(--line) 88%,transparent)}
.tool-card,.concept,.research-grid>div,.research-visual{background:linear-gradient(145deg,color-mix(in srgb,var(--surface-solid) 94%,var(--brand) 6%),var(--surface))}

/* Functional accent system. */
.eyebrow,.kicker,.text-link,.inspector-action,.lx-cell span,.tool-card>span,.concept>span,.core-state{color:var(--interactive)}
.core-state{font-weight:600}
.instrument-bar input,.admin-form input,.admin-form textarea,.admin-form select,.login-card input{background:var(--surface-elevated)}
.instrument-bar input:focus,.admin-form input:focus,.admin-form textarea:focus,.admin-form select:focus,.login-card input:focus{
  border-color:var(--interactive);
  box-shadow:0 0 0 3px var(--interactive-soft);
}
.primary{
  border-color:var(--interactive);
  background:var(--interactive);
  color:#f7fbfd;
  font-weight:580;
  box-shadow:0 8px 24px color-mix(in srgb,var(--interactive) 15%,transparent);
}
html[data-theme="dark"] .primary{color:#071018}
.primary:hover{background:var(--interactive-strong);border-color:var(--interactive-strong);filter:none}
.cycle-node:hover,.lx-cell:hover{background:var(--interactive-soft)}
.cycle-node.active,.lx-cell.active{
  background:color-mix(in srgb,var(--interactive) 14%,var(--surface-solid));
  box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--interactive) 78%,transparent);
}
.lx-cell.active b,.cycle-node.active b{color:var(--interactive-strong)}
.inspector-panel>strong{color:color-mix(in srgb,var(--interactive-strong) 48%,var(--ink))}
.mirror-line i{background:linear-gradient(90deg,color-mix(in srgb,var(--line) 78%,transparent),var(--interactive),color-mix(in srgb,var(--line) 78%,transparent));opacity:.9}
.mirror-line>span{color:var(--interactive)}
.mirror-point>b{color:color-mix(in srgb,var(--interactive-strong) 54%,var(--ink))}
.metric-row b{color:color-mix(in srgb,var(--interactive-strong) 38%,var(--ink))}
.epoch{border-color:color-mix(in srgb,var(--interactive) 34%,var(--line));background:color-mix(in srgb,var(--surface-elevated) 88%,var(--interactive) 12%)}
.absolute-line{border-color:var(--interactive)}
.observer.shared{border-color:var(--interactive);box-shadow:0 0 0 7px var(--interactive-soft)}
.status-canonical,.status-derived,.normative{border-color:color-mix(in srgb,var(--interactive) 38%,var(--line));color:var(--interactive)}

/* Desktop uses the full header navigation. The dock becomes a compact/touch aid. */
.bottom-dock{display:none}

@media(max-width:1100px){
  body{padding-bottom:86px}
  .site-header{grid-template-columns:1fr auto;width:min(calc(100% - 36px),var(--header-envelope));padding:16px 4px}
  .site-header.scrolled{width:100%;padding-inline:24px}
  .brand{min-width:0}
  .main-nav{display:none}
  .menu-btn{display:grid}
  .bottom-dock{display:grid}
  .lx-grid{grid-template-columns:repeat(6,minmax(82px,1fr))}
  .lx-cell:nth-child(9n){border-right:1px solid var(--line)}
  .lx-cell:nth-child(6n){border-right:0}
}
@media(max-width:760px){
  body{font-size:16px;padding-bottom:82px}
  .site-header{width:calc(100% - 20px);padding:14px 2px;gap:12px}
  .site-header.scrolled{width:100%;padding-inline:14px}
  .brand{gap:10px}
  .brand-ring{width:27px;height:27px;border-width:2px}
  .wordmark{font-size:18px}
  .header-tools{gap:6px}
  .lang-switch,.theme-btn,.menu-btn{height:36px;min-width:36px}
  .lang-switch{padding:0 9px}
  .mobile-menu{position:fixed;top:66px;left:10px;right:10px;width:auto}
  .hero,.page-intro,.now-panel,.section,.tool-grid,.instrument-shell,.note-box,.doc-list,.doc-page,.concept-grid,.research-visual,.research-grid,.site-footer{width:min(calc(100% - 30px),var(--container))}
  .hero,.page-intro{padding-left:0;padding-right:0}
  .lx-grid{grid-template-columns:repeat(4,minmax(72px,1fr))}
  .lx-cell:nth-child(6n){border-right:1px solid var(--line)}
  .lx-cell:nth-child(4n){border-right:0}
  .bottom-dock{width:calc(100% - 20px)}
}
@media(max-width:430px){
  .wordmark{font-size:17px}
  .brand-ring{width:25px;height:25px}
  .lang-switch,.theme-btn,.menu-btn{height:34px;min-width:34px}
  .lx-grid{grid-template-columns:repeat(3,minmax(76px,1fr))}
  .lx-cell:nth-child(4n){border-right:1px solid var(--line)}
  .lx-cell:nth-child(3n){border-right:0}
  .atlas-panel{height:45svh}
  .bottom-dock>a,.bottom-dock>button{font-size:8.5px}
}

/* ========================================================================== 
   LXCalendarium 1.0.4
   Canonical LXKeys family mark geometry + consolidated footer and status UI.
   ========================================================================== */
.brand{gap:14px;min-width:220px}
.brand-mark{display:grid;place-items:center;width:31px;height:31px;color:var(--brand);flex:0 0 31px}
.brand-mark svg{display:block;width:31px;height:31px;overflow:visible}
.brand-wordmark{display:flex;align-items:baseline;white-space:nowrap;font-family:var(--sans)}
.brand-wordmark strong{font:750 20px/1 var(--sans);letter-spacing:-.035em;color:var(--ink)}

.sync-strip>div{display:flex;align-items:center;gap:9px}
.sync-strip>div strong{font-size:12px;font-weight:620;color:var(--interactive);letter-spacing:.02em}

.site-footer{
  display:block;
  width:min(calc(100% - 48px),var(--container));
  margin:88px auto 0;
  padding:54px 0 20px;
  border-top:1px solid var(--line);
}
.footer-main{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(280px,.8fr);gap:64px;align-items:start}
.footer-identity{max-width:480px}
.footer-brand{display:flex;align-items:center;gap:14px}
.footer-brand .brand-mark,.footer-brand .brand-mark svg{width:31px;height:31px}
.footer-identity p{max-width:430px;margin:16px 0 0;color:var(--muted);font-size:14px}
.footer-links{display:grid;grid-template-columns:1fr 1fr;gap:4px 34px;justify-self:end;min-width:300px}
.footer-links a{padding:6px 0;color:var(--muted);font-size:14px;transition:color .16s ease}
.footer-links a:hover{color:var(--interactive)}
.footer-bottom{margin-top:46px;padding-top:18px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;color:var(--faint);font-size:11px;text-transform:uppercase;letter-spacing:.075em}

@media(max-width:760px){
  .brand{gap:14px}
  .brand-mark,.brand-mark svg{width:31px;height:31px}
  .brand-wordmark strong{font-size:20px}
  .site-footer{width:min(calc(100% - 30px),var(--container));margin-top:64px;padding-top:42px}
  .footer-main{grid-template-columns:1fr;gap:30px}
  .footer-links{justify-self:start;min-width:0;width:100%;grid-template-columns:1fr 1fr}
  .footer-bottom{flex-direction:column;gap:8px;margin-top:34px}
}
@media(max-width:430px){
  .brand-mark,.brand-mark svg{width:28px;height:28px}
  .brand-mark{flex-basis:28px}
  .brand-wordmark strong{font-size:18px}
  .footer-brand .brand-mark,.footer-brand .brand-mark svg{width:28px;height:28px}
  .footer-links{grid-template-columns:1fr}
}