:root{--ink:var(--atlas-ink);--muted:var(--atlas-muted);--paper:var(--atlas-paper);--line:var(--atlas-line);--white:var(--atlas-surface);color-scheme:light;font-family:var(--font-body);color:var(--ink);background:var(--paper);font-synthesis:none}*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration-thickness:1px;text-underline-offset:4px}a:hover{color:var(--atlas-gold-ink)}button,input,select{font:inherit}button,.button{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--forest);border-radius:7px;padding:12px 18px;background:var(--forest);color:var(--atlas-accent-ink);font-weight:550;cursor:pointer;text-decoration:none;min-height:44px}button:hover,.button:hover{background:var(--atlas-accent-hover);color:var(--atlas-accent-ink)}button:disabled{opacity:.5;cursor:default}.secondary{background:transparent;color:var(--ink);border-color:var(--atlas-line)}.secondary:hover{background:var(--atlas-soft);color:var(--ink)}:focus-visible{outline:3px solid var(--atlas-focus);outline-offset:4px}input,select{display:block;width:100%;min-width:0;border:1px solid var(--atlas-control-line);border-radius:7px;background:var(--atlas-surface);padding:12px;color:var(--ink);min-height:46px}input[type=checkbox]{display:inline-block;width:17px;min-height:17px;margin:0;accent-color:var(--forest)}label{font-size:12px;font-weight:600;display:block;line-height:1.5}label input,label select{margin-top:7px;font-weight:400}.site-header{max-width:1440px;margin:auto;display:flex;align-items:center;justify-content:space-between;padding:25px 5%;gap:20px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-size:18px;font-weight:650;line-height:1.2;flex-shrink:0}.brand-symbol{font-size:42px;font-weight:300;color:var(--atlas-gold-ink)}.brand small{display:block;font-size:10px;text-transform:uppercase;letter-spacing:.17em;color:var(--muted);margin-top:5px;font-weight:500}.site-header nav{display:flex;gap:26px;align-items:center;font-size:12px}.site-header nav a{text-decoration:none}.account-link{border:1px solid var(--atlas-line);border-radius:6px;padding:10px 14px}main{max-width:1320px;margin:auto;padding:0 4.5% 70px;min-height:65vh}.skip{position:absolute;left:10px;top:-100px;z-index:20;padding:12px;background:var(--atlas-surface)}.skip:focus{top:10px}.hero{display:grid;grid-template-columns:1.08fr 1fr;gap:7%;align-items:center;padding:76px 0 70px}.eyebrow{font-size:10px;letter-spacing:.15em;line-height:1.6;text-transform:uppercase;color:var(--muted);font-weight:650}h1,h2,h3,p{margin-top:0}h1{font-family:var(--font-display);font-size:clamp(38px,4.3vw,61px);font-weight:400;line-height:1.08;letter-spacing:-.04em;margin:18px 0 25px}h1 em{font-weight:400;color:var(--atlas-muted)}h2{font-family:var(--font-display);font-size:31px;font-weight:400;line-height:1.2;letter-spacing:-.02em;margin-bottom:16px}h3{font-size:16px;line-height:1.4}p,li{line-height:1.75}p{font-size:14px;color:var(--muted)}.hero p{font-size:15px;max-width:500px}.hero-actions{display:flex;align-items:center;gap:25px;flex-wrap:wrap;margin:27px 0 32px}.text-link{font-size:12px;font-weight:550}.hero-stats{display:flex;gap:28px;font-size:10px;color:var(--muted);line-height:1.7}.hero-stats strong{display:block;font-size:21px;font-weight:500;color:var(--ink)}.hero-crystal{min-width:0;background:radial-gradient(ellipse,#e5e9da55,transparent 70%);border-bottom:1px solid var(--line)}.hero-crystal .mv-stage{background:transparent}.hero-crystal .mv-legend,.hero-crystal .mv-selection{display:none}.hero-caption{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:20px 5px;color:var(--muted);font-size:10px}.hero-caption a{text-decoration:none}.hero-caption strong{color:var(--ink);display:block;font-size:12px;font-weight:550}.hero-caption span{display:block;margin-top:5px}.library{border-top:1px solid var(--line);padding-top:45px;scroll-margin-top:20px}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:0 0 24px}.section-heading h2{margin:7px 0 0}.section-heading>span{font-size:11px;color:var(--muted)}.filters{display:grid;grid-template-columns:1.55fr 1fr 1fr;gap:20px;align-items:end;background:var(--atlas-soft);border:1px solid var(--atlas-line);padding:20px;border-radius:11px}.filter-checks{display:flex;flex-direction:column;gap:10px;padding-bottom:4px}.filter-checks label{display:flex;gap:10px;align-items:center;font-size:11px}.results-heading{display:flex;align-items:center;justify-content:space-between;margin:20px 0 15px}.results-heading p{margin:0;font-size:11px}.text-button{padding:4px 0;background:none;color:var(--muted);border:0;font-size:11px;min-height:34px}.text-button:hover{color:var(--ink);background:none}.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:23px}.material-card{display:flex;flex-direction:column;border:1px solid var(--atlas-line);border-radius:12px;overflow:hidden;background:var(--white);transition:box-shadow .15s,border-color .15s}.material-card:hover{box-shadow:0 8px 25px #1b3b2d09;border-color:var(--atlas-line-strong)}.card-visual{display:block;text-decoration:none;background:linear-gradient(145deg,var(--atlas-soft),var(--atlas-soft));border-bottom:1px solid var(--atlas-line)}.thumb{height:160px;display:flex;flex-direction:column;justify-content:center;align-items:center;position:relative}.thumb>.mv-viewer{width:100%}.formula-glyph{font:38px var(--font-display);color:var(--atlas-muted)}.coordinate-missing{font-size:9px;color:var(--atlas-muted);margin-top:16px}.card-content{padding:22px;display:flex;flex-direction:column;flex:1}.card-content h3{font-size:26px;font-weight:500;margin:9px 0 5px}.card-content h3 a{text-decoration:none}.material-name{font-size:11px;line-height:1.5;min-height:30px;margin-bottom:15px}.card-summary{font-size:12px;line-height:1.7;margin-bottom:20px;flex:1}.tag-row{display:flex;gap:6px;flex-wrap:wrap}.tag{display:inline-block;background:var(--atlas-soft);border:1px solid var(--atlas-line);border-radius:20px;padding:4px 8px;font-size:9px;line-height:1.4;color:var(--atlas-muted);max-width:100%;overflow-wrap:anywhere}.card-footer{display:flex;align-items:center;justify-content:space-between;gap:8px;border-top:1px solid var(--atlas-line);margin-top:18px;padding-top:14px}.card-footer>span{font-size:10px;color:var(--muted)}.compare-button{font-size:10px;padding:7px 10px;min-height:35px}.compare-button[aria-pressed=true]{background:var(--atlas-soft);border-color:var(--atlas-line-strong);color:var(--forest)}.load-more{text-align:center;margin:32px 0}.load-more button{font-size:12px}.empty{padding:40px 25px;border:1px dashed var(--atlas-line);border-radius:10px;min-height:160px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:10px;grid-column:1/-1}.empty h2,.empty h3,.empty p{margin:0}.empty p{max-width:600px;font-size:13px}.back-link{display:inline-block;font-size:12px;margin:30px 0 0}.material-heading{display:flex;justify-content:space-between;gap:20px;align-items:center;margin:25px 0 35px}.material-heading h1{margin:17px 0 10px;font-size:58px}.material-heading p{font-size:13px;margin-bottom:0}.detail-hero{display:grid;grid-template-columns:1.15fr 1fr;gap:50px;align-items:start}.structure-panel{min-width:0;border:1px solid var(--line);padding:23px;background:var(--white);border-radius:12px}.structure-panel>.eyebrow{margin-bottom:15px}.structure-panel .mv-stage{background:radial-gradient(ellipse,var(--atlas-soft),var(--atlas-soft))}.source-caption{font-size:10px;line-height:1.7;margin:13px 0 0;overflow-wrap:anywhere}.variant-label{margin-top:16px}.variant-label select{font-size:11px}.large-formula{font:45px var(--font-display);color:var(--atlas-gold-ink)}.insight{padding:26px 0}.insight h2{margin:12px 0 23px}.lead{font-size:16px}.insight ul{padding-left:18px}.insight li{font-size:12px;padding-left:4px;margin-bottom:14px}.feature-source{font-size:9px;color:var(--muted);margin-top:5px}.question{background:var(--atlas-soft);border-left:2px solid var(--atlas-gold-line);padding:20px;margin-top:30px}.question p{font-size:13px;margin:8px 0 0}.section-nav{display:flex;gap:25px;flex-wrap:wrap;border-bottom:1px solid var(--line);padding:24px 0;margin:28px 0 44px}.section-nav a{font-size:12px;text-decoration:none}section[id]{scroll-margin-top:30px}.section-intro{font-size:12px;max-width:750px;margin-bottom:25px}.property-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.property-card{border:1px solid var(--line);padding:22px;border-radius:10px;background:var(--white);min-width:0}.property-card h3{font-size:13px;margin:10px 0 16px}.property-value{font-size:27px;font-weight:450;overflow-wrap:anywhere}.property-value small{font-size:12px;color:var(--muted)}.property-card>p{font-size:10px;margin:12px 0;overflow-wrap:anywhere}details summary{cursor:pointer;font-size:11px;color:var(--ink);line-height:1.6}details p{font-size:11px;overflow-wrap:anywhere}details[open]>summary{margin-bottom:16px}.property-card details{border-top:1px solid var(--line);padding-top:12px}.plot-disclosure,.phase-disclosure{border:1px solid var(--line);background:var(--white);border-radius:10px;padding:22px;margin:22px 0}.plot-disclosure>summary,.phase-disclosure>summary{font-size:13px;font-weight:550}.chart-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.chart-panel{min-width:0;padding:15px 0}.phase-chart{min-width:0}.ms-chart-plot{max-width:100%}#phase-space,#sources{margin-top:60px}.next-step{padding:40px;margin-top:60px;border:1px solid var(--atlas-line);border-radius:12px;background:var(--atlas-soft)}.next-step h2{margin:12px 0 20px;max-width:650px}.next-step p{max-width:820px;font-size:13px}.source-list{padding:0;list-style:none}.source-list li{padding:15px 0;border-bottom:1px solid var(--line);font-size:13px;overflow-wrap:anywhere}.source-list small{display:block;font-size:10px;color:var(--muted);margin-top:4px}.scope-note{font-size:11px;margin-top:25px}.page-heading{padding:60px 0 35px;max-width:850px}.page-heading p{max-width:680px;font-size:15px}.compare-add{display:flex;gap:18px;align-items:end;max-width:650px;margin-bottom:30px}.compare-add label{flex:1;min-width:0}.compare-add button{font-size:12px;flex-shrink:0}.compare-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:20px;margin-bottom:45px}.compare-summary{border:1px solid var(--line);border-radius:10px;padding:24px;background:var(--white)}.compare-summary h2{margin:12px 0;font-family:inherit}.compare-summary h2 a{text-decoration:none}.compare-summary p{font-size:12px;margin:15px 0}.compare-summary h3{font-size:12px;margin-top:22px}.compare-summary button{font-size:11px}.about-grid{display:grid;grid-template-columns:1.7fr 1fr;gap:70px;align-items:start}.prose{max-width:860px}.prose h2{margin:35px 0 20px}.prose h3{margin-top:30px}.prose p,.prose li{font-size:14px}.prose li{margin:12px 0}.about-note{padding:30px;background:var(--atlas-soft);border-radius:10px;margin-top:35px}.about-note ol{padding-left:20px;font-size:13px}.about-note li{margin:16px 0}.about-note>a{font-size:12px}.license-card{padding:20px;border:1px solid var(--line);border-radius:10px;margin:20px 0;background:var(--white)}.license-card h3{margin:0 0 12px}.license-card p:last-child{margin-bottom:0}footer{border-top:1px solid var(--line);padding:30px 5%;display:flex;gap:28px;justify-content:center;flex-wrap:wrap;color:var(--muted);font-size:10px}footer a{text-decoration:none}#notice{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);max-width:calc(100% - 40px);border-radius:8px;background:var(--forest);color:var(--atlas-accent-ink);padding:13px 20px;font-size:12px;box-shadow:0 5px 20px #193e3422;z-index:20}#notice:empty{display:none}.loading{padding:100px 30px;text-align:center;color:var(--muted)}[hidden]{display:none!important}sub{font-size:.65em;line-height:0}
@media(min-width:1450px){.hero{gap:90px}}
@media(max-width:1000px){.hero{gap:25px}.card-grid{gap:16px}.card-content{padding:18px}.detail-hero{gap:27px}.filters{grid-template-columns:1.4fr 1fr}.filter-checks{grid-column:1/-1;flex-direction:row;gap:25px}.property-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.about-grid{gap:35px}}
@media(max-width:720px){.site-header{padding:18px 5%;flex-wrap:wrap;gap:16px}.brand{font-size:16px}.brand-symbol{font-size:35px}.site-header nav{gap:19px;font-size:11px;justify-content:space-between;flex:1 1 100%}.account-link{padding:7px 10px}.hero{grid-template-columns:1fr;padding:45px 0 35px;gap:22px}.hero h1{font-size:45px;max-width:520px}.hero-crystal{max-width:520px;width:100%;margin:auto}.hero-caption{padding-top:8px}.hero-stats{gap:30px}.hero-actions{gap:20px}.hero .button{font-size:12px}.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.filters{padding:16px;gap:14px}.filter-checks{gap:15px}.section-heading{align-items:start;gap:15px}.section-heading h2{font-size:28px}.detail-hero{grid-template-columns:1fr;gap:15px}.material-heading h1{font-size:48px}.structure-panel{padding:17px}.insight{padding:10px 0}.property-grid,.chart-grid{grid-template-columns:1fr}.next-step{padding:26px}.page-heading{padding-top:40px}.page-heading h1{font-size:43px}.about-grid{grid-template-columns:1fr;gap:0}.about-note{margin-top:15px}.compare-add{flex-wrap:wrap}.compare-add label{flex-basis:100%}.compare-grid{grid-template-columns:1fr}.section-nav{gap:18px}.material-heading{align-items:start}.material-heading>.compare-button{margin-top:10px}.source-list li{font-size:12px}.scope-note{font-size:10px}footer{gap:20px}.hero-crystal .mv-hint{font-size:9px}}
@media(max-width:440px){main{padding-left:5%;padding-right:5%}.hero h1{font-size:39px}.hero p{font-size:14px}.card-grid{grid-template-columns:1fr}.card-content{padding:22px}.thumb{height:170px}.filters{grid-template-columns:1fr}.filter-checks{flex-direction:column;gap:10px}.section-heading{flex-wrap:wrap}.hero-stats{gap:23px}.hero-stats span{max-width:95px}.hero-actions{gap:17px}.section-nav{column-gap:18px;row-gap:12px}.page-heading h1{font-size:37px}.material-heading{flex-wrap:wrap}.property-value{font-size:25px}.plot-disclosure,.phase-disclosure{padding:16px}.next-step h2{font-size:27px}.about-note{padding:24px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

/* Member workspace is a separate server-authorized destination; browsing stays free. */
.site-header nav{flex-wrap:wrap}.material-actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.workspace-entry{display:flex;flex-direction:column;gap:7px;align-items:center}.workspace-entry>.button{font-size:12px}.workspace-entry>span{font-size:9px;color:var(--muted)}
@media(max-width:720px){.site-header nav{gap:12px;row-gap:10px}.material-actions{align-items:start}.material-heading{align-items:start}}

.nav-more{position:relative}.site-header .nav-more>summary{margin:0;display:inline-flex;align-items:center;justify-content:center;gap:8px;list-style:none;cursor:pointer;min-height:44px;padding:8px 4px}.nav-more summary::-webkit-details-marker{display:none}.nav-more summary span{display:inline-block;line-height:1;transform:translateY(-2px)}.nav-more[open] summary span{transform:rotate(180deg)}.nav-more>div{position:absolute;right:0;top:100%;z-index:30;min-width:235px;background:var(--white);border:1px solid var(--line);border-radius:9px;box-shadow:0 12px 28px #173e3414;padding:8px;display:grid;gap:3px}.site-header .nav-more>div a{display:block;padding:12px;border-radius:5px;line-height:1.5}.site-header .nav-more>div a:hover{background:var(--atlas-soft)}@media(max-width:1000px){.site-header{align-items:flex-start}.site-header nav{justify-content:flex-end;flex-wrap:wrap;gap:8px 18px}.site-header nav>a{min-height:44px;display:flex;align-items:center}}@media(max-width:650px){.site-header{display:block}.site-header nav{position:relative;justify-content:flex-start;margin-top:16px;gap:3px 18px}.nav-more{position:static}.nav-more>div{left:0;right:auto;max-width:100%}.site-header nav>a{font-size:11px}}

/* CogLab masthead and shared Atlas navigation; all font assets are local. */
:root{font-family:var(--font-body);font-synthesis:none}
main,.atlas-shell-navigation{max-width:var(--atlas-page-width);margin-left:auto;margin-right:auto;padding-left:var(--atlas-gutter);padding-right:var(--atlas-gutter)}
.coglab-masthead{background:var(--forest);color:var(--parchment);display:flex;align-items:center;justify-content:space-between;gap:24px;padding:24px max(24px,calc((100vw - 1160px)/2));font-family:var(--font-body)}
.coglab-wordmark{font:500 34px/1 var(--font-display);text-decoration:none;color:var(--parchment);white-space:nowrap}.coglab-wordmark small{display:block;font:500 10px/1.4 var(--font-body);text-transform:uppercase;letter-spacing:.15em;color:var(--gold);margin-top:8px}
.coglab-masthead nav{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.coglab-masthead nav a{color:var(--parchment);border:1px solid #c5a55a59;border-radius:24px;padding:9px 15px;text-decoration:none;font-size:13px;line-height:1.5;min-height:40px;display:flex;align-items:center}.coglab-masthead a:hover{color:var(--parchment);background:#0002}.coglab-masthead a:focus-visible{outline-color:var(--atlas-focus-inverse)}
footer{background:var(--forest);color:var(--atlas-inverse-muted);border:0;font-family:var(--font-body);padding:35px var(--atlas-gutter)}footer a{color:var(--parchment)}footer a:focus-visible{outline-color:var(--atlas-focus-inverse)}
@media(max-width:720px){.coglab-masthead{padding:20px;gap:20px;align-items:start;flex-wrap:wrap}.coglab-wordmark{font-size:30px}.coglab-masthead nav{gap:8px;flex:1 1 100%}.coglab-masthead nav a{font-size:11px;padding:8px 12px;min-height:40px}.atlas-shell-navigation .atlas-navigation{padding-top:18px}}