@import"https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500&family=IBM+Plex+Sans:wght@400;500;600&family=Source+Serif+4:opsz,wght@8..60,400;8..60,600;8..60,700&display=swap";:root{--bg: #f1f3ef;--bg-strong: #e5e9e4;--panel: #fbfcfa;--panel-muted: #f3f6f2;--ink: #16201c;--muted: #4e5c53;--line: #cfd8d1;--line-strong: #aab8ae;--accent: #214c44;--accent-soft: #dfeae5;--warm: #785845;--code: #edf1ee;--shadow: 0 10px 22px rgba(22, 32, 28, .045)}*{box-sizing:border-box}html{background:var(--bg)}body{margin:0;min-height:100vh;color:var(--ink);font-family:IBM Plex Sans,sans-serif;background:linear-gradient(180deg,#ffffffc7,#ffffff1a),linear-gradient(90deg,rgba(22,32,28,.018) 1px,transparent 1px),linear-gradient(rgba(22,32,28,.018) 1px,transparent 1px),var(--bg);background-size:auto,72px 72px,72px 72px,auto}a{color:inherit;text-decoration:none}button,input{font:inherit}code{font-family:IBM Plex Mono,monospace}.shell{width:min(1280px,calc(100% - 32px));margin:0 auto;padding:18px 0 64px;position:relative}.grid-overlay{display:none}.topbar{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:18px 22px;border:1px solid var(--line);background:#fbfcfaf0;box-shadow:var(--shadow);position:sticky;top:12px;z-index:20;backdrop-filter:blur(8px)}.brand{display:grid;gap:4px}.brand-mark{font-family:"Source Serif 4",serif;font-size:1.55rem;font-weight:700;letter-spacing:-.03em}.brand-sub{font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}.nav,.tag-wrap,.chip-row,.subroute-nav,.route-links{display:flex;flex-wrap:wrap;gap:8px}.site-guide{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:10px;margin-top:10px}.guide-link{display:grid;gap:4px;padding:12px 14px;border:1px solid var(--line);background:#fbfcfad6}.guide-link strong{font-size:.84rem;text-transform:uppercase;letter-spacing:.12em}.guide-link span{color:var(--muted);font-size:.85rem;line-height:1.45}.guide-link.active{border-color:var(--accent);background:var(--accent-soft)}.breadcrumbs{display:flex;flex-wrap:wrap;gap:8px;align-items:center;color:var(--muted);font-size:.86rem}.breadcrumbs a{color:var(--accent)}.breadcrumb-sep{color:var(--muted)}.nav-link{display:inline-flex;align-items:center;min-height:40px;padding:0 14px;border:1px solid var(--line);background:var(--panel-muted);color:var(--muted);font-size:.88rem}.nav-link.active{color:var(--accent);border-color:var(--accent);background:var(--accent-soft)}.page{display:grid;gap:20px;padding-top:20px}.intro-panel,.page-heading,.panel{border:1px solid var(--line);background:#fbfcfaf0;box-shadow:var(--shadow)}.intro-panel,.page-heading{padding:22px;display:grid;gap:14px;position:relative}.intro-panel:before,.page-heading:before,.panel:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,rgba(33,76,68,.8),rgba(33,76,68,.18) 48%,transparent 78%)}.intro-panel{grid-template-columns:minmax(0,1.1fr)}.intro-panel.with-side,.page-heading.with-side{grid-template-columns:minmax(0,1.15fr) minmax(280px,.85fr);align-items:start}.page-heading.compound-heading{grid-template-columns:minmax(0,1fr) auto;align-items:start;gap:16px}.compound-heading-main{min-width:0;display:grid;gap:10px}.compound-title{max-width:16ch;font-size:clamp(1.55rem,2.35vw,2.28rem);line-height:.98;text-wrap:balance;overflow-wrap:anywhere}.compound-title-long{max-width:22ch;font-size:clamp(1.35rem,1.95vw,1.92rem);line-height:1.02}.compound-full-name{margin:-2px 0 0;max-width:68ch;color:var(--muted);font-size:.88rem;line-height:1.45}.compound-heading-main .lead{max-width:64ch}.compound-heading-side{display:grid;gap:12px;min-width:min(360px,100%)}.compound-facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.compound-facts .fact-cell,.heading-stat,.note-card{border:1px solid var(--line);background:var(--panel-muted)}.compound-facts .fact-cell{padding:12px;display:grid;gap:6px}.compound-facts .fact-cell span,.heading-stat span,.note-card span{font-size:.72rem;text-transform:uppercase;letter-spacing:.14em;color:var(--muted)}.compound-facts .fact-cell strong{font-family:"Source Serif 4",serif;font-size:.98rem;line-height:1.2;word-break:break-word}.section-kicker{margin:0;font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);font-weight:600}h1,h2,h3{margin:0;font-family:"Source Serif 4",serif;letter-spacing:-.03em}h1{font-size:clamp(1.65rem,3.3vw,2.8rem);line-height:1;max-width:18ch}h2{font-size:clamp(1.2rem,2.2vw,1.7rem);line-height:1.05}h3{font-size:1.05rem;line-height:1.15}.lead{margin:0;max-width:72ch;color:var(--muted);line-height:1.6;font-size:.98rem}.heading-side{display:grid;gap:12px;align-content:start}.heading-stat-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.heading-stat{padding:14px;display:grid;gap:6px}.heading-stat strong{font-family:"Source Serif 4",serif;font-size:1.6rem;line-height:1}.heading-stat small,.note-card p{color:var(--muted);line-height:1.5}.note-card{padding:14px;display:grid;gap:8px}.full-span{grid-column:1 / -1}.lead.minor,.inline-source,.table-link,.text-link,.panel-note{color:var(--accent)}.metric-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.metric-strip.mini{grid-template-columns:repeat(2,minmax(0,1fr))}.metric-cell{display:grid;gap:4px;padding:14px;border:1px solid var(--line);background:var(--panel-muted)}.metric-cell strong{font-family:"Source Serif 4",serif;font-size:1.65rem;line-height:1}.metric-cell span{font-size:.78rem;text-transform:uppercase;letter-spacing:.14em;color:var(--muted)}.metric-cell small,.inventory-row small,.signal-card p,.event-row p,.empty-block p,.catalog-card p,.query-list li{color:var(--muted);line-height:1.55}.page-grid{display:grid;gap:20px}.two-col{grid-template-columns:minmax(0,1.45fr) minmax(320px,.95fr)}.detail-layout{grid-template-columns:minmax(0,1.4fr) 340px}.panel{padding:20px;position:relative}.stack,.subpanel,.signal-stack,.event-list,.inventory-list,.metric-list,.mono-stack{display:grid;gap:14px;align-content:start}.subpanel{padding:16px;border:1px solid var(--line);background:var(--panel-muted)}.structure-block h3{margin-top:2px}.smiles-structure{width:100%;min-height:220px;border:1px solid var(--line);background:#fff}.structure-note{margin:0;color:var(--muted);font-size:.88rem;line-height:1.5}.panel-header{display:flex;justify-content:space-between;gap:16px;align-items:end;margin-bottom:12px}.table-scroll{overflow-x:auto;border:1px solid var(--line)}.data-table{width:100%;min-width:720px;border-collapse:collapse;background:var(--panel)}.data-table.dense{min-width:980px}.data-table th,.data-table td{padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top;text-align:left;font-size:.9rem;line-height:1.4}.data-table th{background:var(--panel-muted);color:var(--muted);font-size:.72rem;text-transform:uppercase;letter-spacing:.12em;font-weight:600}.inventory-row,.metric-row,.plain-list li,.query-list li{display:flex;justify-content:space-between;gap:14px;align-items:baseline;padding-bottom:12px;border-bottom:1px solid var(--line)}.inventory-row:last-child,.metric-row:last-child,.plain-list li:last-child,.query-list li:last-child{padding-bottom:0;border-bottom:0}.inventory-row strong,.metric-row strong{font-family:"Source Serif 4",serif;font-size:1.5rem}.plain-list,.query-list{list-style:none;margin:0;padding:0}.catalog-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}.catalog-card{display:grid;gap:10px;padding:16px;border:1px solid var(--line);background:var(--panel-muted)}.catalog-topline{display:flex;justify-content:space-between;gap:10px;align-items:center}.catalog-note{color:var(--muted);font-size:.83rem}.pill,.tag,.result-chip{display:inline-flex;align-items:center;min-height:32px;padding:0 10px;border:1px solid var(--line);background:var(--panel);font-size:.75rem;letter-spacing:.08em;text-transform:uppercase}.pill{color:var(--warm)}.tag{color:var(--accent);background:var(--accent-soft);border-color:#c6d9d1}.signal-card,.event-row,.empty-block{display:grid;grid-template-columns:120px minmax(0,1fr);gap:14px;padding:14px;border:1px solid var(--line);background:var(--panel-muted)}.empty-block{grid-template-columns:1fr}.signal-date,.event-date{font-family:IBM Plex Mono,monospace;color:var(--warm);font-size:.82rem}.definition-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.definition-grid div{padding:12px;border:1px solid var(--line);background:var(--panel-muted)}.definition-grid dt{font-size:.74rem;text-transform:uppercase;letter-spacing:.12em;color:var(--muted)}.definition-grid dd{margin:8px 0 0;font-family:"Source Serif 4",serif;font-size:1rem}.mono-stack code{display:block;padding:12px;border:1px solid var(--line);background:var(--code);color:var(--ink);font-size:.84rem;line-height:1.5;word-break:break-word}.form-label{font-size:.76rem;text-transform:uppercase;letter-spacing:.14em;color:var(--muted)}.tool-input{width:100%;min-height:52px;padding:0 14px;border:1px solid var(--line-strong);background:#fff;color:var(--ink)}.result-chip{cursor:pointer;color:var(--accent);background:var(--panel-muted)}@media(max-width:1080px){.two-col,.detail-layout,.page-heading.compound-heading,.intro-panel.with-side,.page-heading.with-side{grid-template-columns:1fr}.metric-strip{grid-template-columns:repeat(2,minmax(0,1fr))}.compound-heading-side{min-width:0}}@media(max-width:720px){.shell{width:min(100% - 20px,1280px);padding-top:10px}.topbar{position:static;padding:16px}.intro-panel,.page-heading,.panel{padding:18px}.metric-strip,.metric-strip.mini,.definition-grid,.heading-stat-grid,.compound-facts,.signal-card,.event-row{grid-template-columns:1fr}.data-table,.data-table.dense{min-width:640px}}