:root{
  --bg:#07111f;
  --bg-2:#0a1627;
  --panel:rgba(15,29,49,.92);
  --panel-solid:#0f1d31;
  --panel-2:#13243a;
  --panel-3:#172a43;
  --text:#edf5ff;
  --text-strong:#ffffff;
  --muted:#9db0c8;
  --faint:#71859f;
  --line:#263b57;
  --line-soft:rgba(122,157,198,.17);
  --accent:#6ee7d8;
  --accent-2:#79a7ff;
  --accent-3:#d7a8ff;
  --ok:#7ce3a1;
  --warn:#ffd16f;
  --danger:#ff8d9b;
  --info:#87c5ff;
  --shadow:0 28px 80px rgba(0,0,0,.28);
  --shadow-soft:0 14px 42px rgba(0,0,0,.18);
  --radius:20px;
  --sidebar:264px;
  --topbar:72px;
  color-scheme:dark;
}
[data-theme="light"]{
  --bg:#f5f8fc;
  --bg-2:#edf3fa;
  --panel:rgba(255,255,255,.94);
  --panel-solid:#ffffff;
  --panel-2:#f6f9fd;
  --panel-3:#edf4fb;
  --text:#203147;
  --text-strong:#112033;
  --muted:#60748b;
  --faint:#8394a7;
  --line:#cfdae7;
  --line-soft:rgba(36,69,105,.12);
  --accent:#0f9f96;
  --accent-2:#397ad6;
  --accent-3:#8b5cc7;
  --ok:#178f4f;
  --warn:#ad7010;
  --danger:#c84355;
  --info:#2a72c2;
  --shadow:0 28px 70px rgba(56,77,101,.13);
  --shadow-soft:0 12px 36px rgba(56,77,101,.1);
  color-scheme:light;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:
  radial-gradient(circle at 84% 8%,rgba(121,167,255,.13),transparent 28%),
  radial-gradient(circle at 13% 22%,rgba(110,231,216,.09),transparent 24%),
  var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;min-width:320px}
body::before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.28;background-image:linear-gradient(rgba(255,255,255,.015) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.015) 1px,transparent 1px);background-size:38px 38px;mask-image:linear-gradient(to bottom,black,transparent 80%)}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
a{color:inherit}
::selection{background:rgba(110,231,216,.24)}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:#2d4462;border-radius:999px;border:2px solid transparent;background-clip:padding-box}
::-webkit-scrollbar-track{background:transparent}

.app-shell{min-height:100vh}
.sidebar{position:fixed;left:0;top:0;bottom:0;width:var(--sidebar);padding:18px 15px 20px;border-right:1px solid var(--line-soft);background:rgba(7,17,31,.92);backdrop-filter:blur(22px);z-index:40;transition:transform .25s ease,width .25s ease;display:flex;flex-direction:column}
[data-theme="light"] .sidebar{background:rgba(247,250,254,.94)}
.sidebar.collapsed{width:82px}
.brand{display:flex;align-items:center;gap:12px;padding:4px 7px 20px;min-height:58px}
.brand-mark{width:40px;height:40px;flex:0 0 40px;border:1px solid rgba(110,231,216,.5);border-radius:13px;display:grid;place-items:center;font-weight:900;color:var(--accent);background:linear-gradient(145deg,rgba(110,231,216,.12),rgba(121,167,255,.06));box-shadow:inset 0 0 20px rgba(110,231,216,.05)}
.brand-copy{min-width:0;white-space:nowrap;overflow:hidden}
.brand-copy strong{display:block;font-size:14px;letter-spacing:.01em}
.brand-copy small{display:block;margin-top:3px;font-size:9px;letter-spacing:.18em;color:var(--faint);font-weight:800}
.nav-group-label{padding:13px 12px 7px;color:var(--faint);font-size:9px;letter-spacing:.18em;font-weight:900;text-transform:uppercase;white-space:nowrap;overflow:hidden}
.nav{display:grid;gap:5px;overflow:auto;padding-right:2px}
.nav-btn{border:0;background:transparent;color:var(--muted);display:flex;align-items:center;gap:12px;text-align:left;padding:10px 12px;border-radius:12px;transition:.16s;white-space:nowrap;min-height:42px}
.nav-btn:hover{background:rgba(121,167,255,.08);color:var(--text)}
.nav-btn.active{background:linear-gradient(90deg,rgba(110,231,216,.16),rgba(121,167,255,.07));color:var(--text-strong);box-shadow:inset 2px 0 0 var(--accent)}
.nav-icon{width:20px;text-align:center;font-size:16px;flex:0 0 20px;color:var(--accent)}
.nav-label{overflow:hidden;text-overflow:ellipsis}
.sidebar.collapsed .brand-copy,.sidebar.collapsed .nav-label,.sidebar.collapsed .nav-group-label,.sidebar.collapsed .sidebar-footer-copy{display:none}
.sidebar-footer{margin-top:auto;padding:14px 9px 0;border-top:1px solid var(--line-soft);display:flex;gap:10px;align-items:center;color:var(--faint)}
.sidebar-footer-dot{width:9px;height:9px;border-radius:50%;background:var(--ok);box-shadow:0 0 14px var(--ok);flex:0 0 9px}
.sidebar-footer-copy{font-size:10px;line-height:1.45}

.main{margin-left:var(--sidebar);min-height:100vh;transition:margin-left .25s ease}
.sidebar.collapsed~.main{margin-left:82px}
.topbar{height:var(--topbar);position:sticky;top:0;z-index:30;border-bottom:1px solid var(--line-soft);background:rgba(7,17,31,.78);backdrop-filter:blur(18px);display:flex;align-items:center;gap:14px;padding:0 24px}
[data-theme="light"] .topbar{background:rgba(247,250,254,.82)}
.icon-btn{width:40px;height:40px;border:1px solid var(--line);border-radius:12px;background:var(--panel-solid);color:var(--muted);display:grid;place-items:center;transition:.16s}
.icon-btn:hover{color:var(--text);border-color:rgba(110,231,216,.45);transform:translateY(-1px)}
.menu-btn{display:none}
.search-shell{position:relative;display:flex;align-items:center;gap:10px;flex:1;max-width:680px;border:1px solid var(--line);background:var(--panel-solid);border-radius:13px;padding:0 13px;height:43px}
.search-shell:focus-within{border-color:rgba(110,231,216,.5);box-shadow:0 0 0 3px rgba(110,231,216,.07)}
.search-shell input{width:100%;border:0;outline:0;background:transparent;color:var(--text);min-width:0}
.search-key{font-size:10px;padding:4px 7px;border:1px solid var(--line);border-bottom-width:2px;border-radius:7px;color:var(--faint);white-space:nowrap}
.topbar-spacer{flex:1}
.topbar-actions{display:flex;align-items:center;gap:9px}
.mode-chip{display:flex;align-items:center;gap:7px;border:1px solid var(--line);background:var(--panel-solid);border-radius:999px;padding:7px 11px;font-size:11px;color:var(--muted)}
.mode-chip i{width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 8px rgba(124,227,161,.6)}

.content{max-width:1540px;margin:0 auto;padding:34px 34px 70px}
.page{display:none;animation:fade .25s ease}
.page.active{display:block}
@keyframes fade{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:none}}
.page-head{display:flex;justify-content:space-between;align-items:flex-end;gap:28px;margin-bottom:26px}
.page-head-copy{max-width:980px}
.eyebrow{font-size:11px;letter-spacing:.17em;text-transform:uppercase;color:var(--accent);font-weight:900}
.page-head h1,.hero h1{margin:8px 0 10px;color:var(--text-strong);line-height:1.02;letter-spacing:-.045em}
.page-head h1{font-size:clamp(36px,4vw,64px)}
.page-head p{margin:0;color:var(--muted);font-size:16px;line-height:1.65;max-width:870px}
.page-actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}

.btn{border-radius:12px;padding:11px 15px;border:1px solid var(--line);background:var(--panel-solid);color:var(--text);font-weight:750;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:.16s;text-decoration:none}
.btn:hover{transform:translateY(-1px);border-color:rgba(110,231,216,.45)}
.btn.primary{border:0;color:#06131d;background:linear-gradient(135deg,var(--accent),#61b9ff);box-shadow:0 12px 28px rgba(65,179,203,.18)}
.btn.ghost{background:transparent}
.btn.small{padding:8px 11px;font-size:12px;border-radius:10px}
.btn.danger{color:var(--danger);border-color:rgba(255,141,155,.28)}

.hero{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(420px,.9fr);gap:36px;align-items:center;min-height:620px;padding:32px 0 52px}
.hero h1{font-size:clamp(54px,6.8vw,96px);max-width:900px}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero p{font-size:18px;line-height:1.75;color:var(--muted);max-width:760px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.hero-note{display:flex;gap:10px;align-items:center;margin-top:22px;color:var(--faint);font-size:12px}
.hero-note i{width:8px;height:8px;border-radius:50%;background:var(--ok)}

.atlas-orbit{min-height:510px;position:relative;display:grid;place-items:center;isolation:isolate}
.atlas-orbit::before,.atlas-orbit::after{content:"";position:absolute;border-radius:50%;border:1px solid var(--line-soft)}
.atlas-orbit::before{width:330px;height:330px}
.atlas-orbit::after{width:470px;height:470px}
.atlas-core{width:198px;height:198px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#1e4260,#0e1c30 68%);border:1px solid rgba(110,231,216,.52);box-shadow:0 0 90px rgba(110,231,216,.18),inset 0 0 42px rgba(121,167,255,.08);display:grid;place-items:center;text-align:center;padding:22px;z-index:3}
.atlas-core b{display:block;font-size:21px;line-height:1.15}
.atlas-core small{display:block;color:var(--accent);margin-top:8px;font-size:10px;letter-spacing:.13em}
.orbit-node{position:absolute;z-index:4;border:1px solid var(--line);background:var(--panel-solid);box-shadow:var(--shadow-soft);padding:11px 14px;border-radius:13px;font-size:12px;font-weight:800;color:var(--text)}
.orbit-node span{color:var(--accent);margin-right:5px}
.orbit-node.n1{top:18px;left:50%;transform:translateX(-50%)}
.orbit-node.n2{right:-4px;top:34%}
.orbit-node.n3{right:40px;bottom:48px}
.orbit-node.n4{left:42px;bottom:48px}
.orbit-node.n5{left:-4px;top:34%}
.orbit-node.n6{top:112px;right:55px}
.orbit-line{position:absolute;height:1px;background:linear-gradient(90deg,transparent,rgba(110,231,216,.35),transparent);width:320px;z-index:1}
.orbit-line.l1{transform:rotate(28deg)}
.orbit-line.l2{transform:rotate(-28deg)}
.orbit-line.l3{transform:rotate(90deg)}

.stats-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin:8px 0 34px}
.stat-card{border:1px solid var(--line-soft);background:linear-gradient(145deg,rgba(19,36,58,.82),rgba(12,24,40,.88));border-radius:16px;padding:18px;min-height:112px}
[data-theme="light"] .stat-card{background:linear-gradient(145deg,#fff,#f4f8fd)}
.stat-card strong{display:block;font-size:30px;color:var(--text-strong);letter-spacing:-.04em}
.stat-card span{display:block;color:var(--muted);font-size:12px;margin-top:6px}
.stat-card small{display:block;color:var(--faint);font-size:10px;margin-top:8px}

.section{margin-top:34px}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:15px}
.section-head h2{margin:0;color:var(--text-strong);font-size:28px;letter-spacing:-.025em}
.section-head p{margin:6px 0 0;color:var(--muted);font-size:13px;line-height:1.5;max-width:720px}
.section-link{color:var(--accent);font-size:12px;font-weight:800;border:0;background:transparent}
.grid{display:grid;gap:17px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.panel,.card{border:1px solid var(--line-soft);background:linear-gradient(145deg,rgba(18,34,55,.92),rgba(10,23,39,.93));border-radius:var(--radius);box-shadow:var(--shadow-soft)}
[data-theme="light"] .panel,[data-theme="light"] .card{background:linear-gradient(145deg,#fff,#f7fafd)}
.panel{padding:22px}
.card{padding:20px;transition:.18s}
.card.clickable:hover{transform:translateY(-3px);border-color:rgba(110,231,216,.35);box-shadow:var(--shadow)}
.card-icon{width:42px;height:42px;border-radius:13px;display:grid;place-items:center;border:1px solid var(--line);background:var(--panel-2);color:var(--accent);font-size:19px}
.card h3,.panel h3{margin:12px 0 8px;color:var(--text-strong);letter-spacing:-.015em}
.card p,.panel p{color:var(--muted);line-height:1.6;margin:0}
.card-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:18px;padding-top:14px;border-top:1px solid var(--line-soft);color:var(--faint);font-size:11px}
.tag,.pill,.badge{display:inline-flex;align-items:center;gap:5px;border-radius:999px;white-space:nowrap}
.tag{font-size:9px;letter-spacing:.12em;font-weight:900;padding:5px 8px;color:var(--accent);border:1px solid rgba(110,231,216,.25);background:rgba(110,231,216,.07);text-transform:uppercase}
.pill{font-size:11px;padding:7px 9px;color:var(--muted);border:1px solid var(--line);background:rgba(255,255,255,.02)}
.badge{font-size:10px;padding:5px 8px;color:var(--faint);background:var(--panel-2);border:1px solid var(--line-soft)}
.badge.ok{color:var(--ok);border-color:rgba(124,227,161,.26);background:rgba(124,227,161,.06)}
.badge.warn{color:var(--warn);border-color:rgba(255,209,111,.27);background:rgba(255,209,111,.06)}
.badge.danger{color:var(--danger);border-color:rgba(255,141,155,.28);background:rgba(255,141,155,.06)}
.pill-row{display:flex;gap:8px;flex-wrap:wrap}

.workflow{display:flex;gap:10px;align-items:stretch;overflow-x:auto;padding-bottom:6px}
.workflow-step{min-width:150px;flex:1;border:1px solid var(--line);background:var(--panel-solid);border-radius:14px;padding:14px 15px;position:relative}
.workflow-step b{display:block;font-size:12px;color:var(--text)}
.workflow-step small{display:block;color:var(--faint);font-size:10px;margin-top:5px;line-height:1.45}
.workflow-arrow{display:grid;place-items:center;color:var(--accent);font-weight:900;min-width:18px}

.dna{display:grid;gap:11px}
.dna-row{display:grid;grid-template-columns:92px 1fr 28px;align-items:center;gap:10px}
.dna-row label{font-size:11px;color:var(--muted)}
.dna-track{height:7px;border-radius:999px;background:rgba(91,117,151,.18);overflow:hidden}
.dna-track i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--accent),var(--accent-2))}
.dna-row span{font-size:10px;color:var(--faint);text-align:right}

.feature-blueprint{display:grid;grid-template-columns:1.1fr .9fr;gap:22px}
.feature-blueprint h3{font-size:28px;margin-top:9px}
.feature-stack{display:grid;gap:10px;margin-top:18px}
.stack-row{display:grid;grid-template-columns:135px 1fr;gap:14px;padding:10px 0;border-top:1px solid var(--line-soft)}
.stack-row b{font-size:11px;color:var(--accent)}
.stack-row span{font-size:12px;color:var(--muted)}

/* Forms and decision studio */
.studio-layout{display:grid;grid-template-columns:370px minmax(0,1fr);gap:20px;align-items:start}
.studio-form{position:sticky;top:94px}
.form-section+.form-section{margin-top:20px;padding-top:18px;border-top:1px solid var(--line-soft)}
.form-title{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:13px}
.form-title h3{margin:0;font-size:15px}
.form-grid{display:grid;gap:13px}
.field{display:grid;gap:7px}
.field label{font-size:11px;color:var(--muted);font-weight:700}
.field select,.field input[type="text"],.field input[type="number"],.field textarea{width:100%;border:1px solid var(--line);background:var(--bg-2);color:var(--text);border-radius:11px;padding:11px 12px;outline:0}
.field select:focus,.field input:focus,.field textarea:focus{border-color:rgba(110,231,216,.5);box-shadow:0 0 0 3px rgba(110,231,216,.06)}
.field textarea{min-height:88px;resize:vertical}
.range-wrap{display:grid;grid-template-columns:1fr 42px;gap:10px;align-items:center}
input[type="range"]{accent-color:var(--accent);width:100%}
.range-value{font-size:11px;text-align:center;border:1px solid var(--line);background:var(--panel-2);border-radius:9px;padding:6px}
.checkbox-row{display:flex;align-items:flex-start;gap:10px;color:var(--muted);font-size:12px;line-height:1.45}
.checkbox-row input{margin-top:2px;accent-color:var(--accent)}
.result-shell{display:grid;gap:17px}
.result-hero{position:relative;overflow:hidden;padding:26px}
.result-hero::after{content:"";position:absolute;right:-100px;top:-100px;width:260px;height:260px;border-radius:50%;background:radial-gradient(circle,rgba(110,231,216,.12),transparent 68%)}
.result-hero-top{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;position:relative;z-index:1}
.result-hero h2{font-size:38px;line-height:1.08;margin:10px 0 8px;letter-spacing:-.035em}
.result-hero p{max-width:850px}
.confidence{width:116px;height:116px;border-radius:50%;display:grid;place-items:center;position:relative;background:conic-gradient(var(--accent) calc(var(--score)*1%),rgba(115,142,176,.18) 0);flex:0 0 116px}
.confidence::before{content:"";position:absolute;inset:8px;border-radius:50%;background:var(--panel-solid);border:1px solid var(--line-soft)}
.confidence strong,.confidence small{position:relative;z-index:1;display:block;text-align:center}
.confidence strong{font-size:25px;color:var(--text-strong)}
.confidence small{font-size:9px;color:var(--faint);text-transform:uppercase;letter-spacing:.1em}
.result-columns{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:17px}
.decision-list{display:grid;gap:10px;margin-top:14px}
.decision-item{border:1px solid var(--line-soft);background:rgba(7,17,31,.34);border-radius:13px;padding:13px}
[data-theme="light"] .decision-item{background:#f7fafd}
.decision-item-head{display:flex;justify-content:space-between;gap:10px;align-items:start}
.decision-item b{font-size:13px;color:var(--text)}
.decision-item p{font-size:11px;margin-top:6px;line-height:1.5}
.reason-list{display:grid;gap:9px;margin-top:12px}
.reason{display:flex;gap:10px;color:var(--muted);font-size:12px;line-height:1.5}
.reason i{width:18px;height:18px;flex:0 0 18px;border-radius:50%;display:grid;place-items:center;background:rgba(124,227,161,.11);color:var(--ok);font-style:normal;font-size:10px;margin-top:1px}
.reason.warn i{background:rgba(255,209,111,.1);color:var(--warn)}
.arch-stack{display:grid;gap:10px;margin-top:13px}
.arch-layer{border:1px solid var(--line);border-radius:13px;padding:14px;background:linear-gradient(90deg,rgba(110,231,216,.06),rgba(121,167,255,.03));display:grid;grid-template-columns:130px 1fr;gap:14px}
.arch-layer b{color:var(--accent);font-size:11px;text-transform:uppercase;letter-spacing:.08em}
.arch-layer span{font-size:12px;color:var(--muted)}
.timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:14px}
.phase{border:1px solid var(--line-soft);border-radius:14px;padding:15px;position:relative;overflow:hidden}
.phase::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:linear-gradient(var(--accent),var(--accent-2))}
.phase small{color:var(--accent);font-size:9px;letter-spacing:.12em;text-transform:uppercase;font-weight:900}
.phase b{display:block;margin-top:7px;font-size:14px}
.phase p{font-size:11px;margin-top:6px}

/* Graph explorer */
.graph-layout{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:18px;align-items:start}
.graph-panel{padding:0;overflow:hidden;min-height:680px;position:relative}
.graph-toolbar{height:62px;border-bottom:1px solid var(--line-soft);padding:10px 13px;display:flex;align-items:center;gap:10px;background:rgba(8,20,34,.7)}
[data-theme="light"] .graph-toolbar{background:#f8fbff}
.graph-toolbar select,.graph-toolbar input{border:1px solid var(--line);background:var(--panel-solid);color:var(--text);border-radius:10px;padding:9px 10px;outline:0}
.graph-toolbar input{flex:1;min-width:130px}
.graph-canvas{position:relative;min-height:618px;overflow:hidden;background:radial-gradient(circle at center,rgba(110,231,216,.04),transparent 38%)}
.graph-canvas svg{width:100%;height:618px;display:block}
.graph-edge{stroke:rgba(128,160,198,.34);stroke-width:1.2}
.graph-edge.active{stroke:rgba(110,231,216,.62);stroke-width:1.8}
.graph-edge-label{font-size:9px;fill:var(--faint);paint-order:stroke;stroke:var(--bg);stroke-width:4px;stroke-linejoin:round}
.graph-node{cursor:pointer;transition:.15s}
.graph-node:hover{filter:brightness(1.2)}
.graph-node circle{fill:var(--panel-solid);stroke:var(--line);stroke-width:1.4}
.graph-node.related circle{stroke:rgba(121,167,255,.55)}
.graph-node.center circle{fill:#12324a;stroke:var(--accent);stroke-width:2.2;filter:drop-shadow(0 0 14px rgba(110,231,216,.23))}
.graph-node text{fill:var(--text);font-size:10px;font-weight:700;text-anchor:middle;pointer-events:none}
.graph-node.center text{font-size:12px;fill:#fff}
.graph-empty{position:absolute;inset:0;display:grid;place-items:center;color:var(--faint)}
.graph-detail{position:sticky;top:94px;max-height:calc(100vh - 116px);overflow:auto}
.detail-head{display:flex;gap:13px;align-items:flex-start}
.detail-icon{width:45px;height:45px;border-radius:14px;display:grid;place-items:center;border:1px solid var(--line);background:var(--panel-2);font-size:19px;flex:0 0 45px}
.detail-head h2{font-size:24px;margin:2px 0 5px;line-height:1.15}
.detail-section{margin-top:19px;padding-top:17px;border-top:1px solid var(--line-soft)}
.detail-section h4{margin:0 0 9px;font-size:11px;text-transform:uppercase;letter-spacing:.11em;color:var(--accent)}
.detail-section p{font-size:12px;line-height:1.6}
.relation-list{display:grid;gap:8px}
.relation-btn{width:100%;border:1px solid var(--line-soft);background:var(--panel-2);color:var(--text);border-radius:11px;padding:9px 10px;text-align:left;display:grid;grid-template-columns:1fr auto;gap:8px}
.relation-btn small{color:var(--faint)}

/* Concept catalog */
.catalog-tools{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:16px}
.catalog-search{min-width:260px;flex:1;border:1px solid var(--line);background:var(--panel-solid);border-radius:12px;padding:11px 13px;color:var(--text);outline:0}
.category-select{border:1px solid var(--line);background:var(--panel-solid);color:var(--text);border-radius:12px;padding:10px 12px}
.category-chips{display:flex;gap:8px;overflow:auto;padding:0 0 12px;margin-bottom:5px}
.category-chip{border:1px solid var(--line);background:var(--panel-solid);color:var(--muted);padding:8px 11px;border-radius:999px;white-space:nowrap;font-size:11px}
.category-chip.active{border-color:rgba(110,231,216,.42);color:var(--text);background:rgba(110,231,216,.08)}
.catalog-meta{display:flex;align-items:center;justify-content:space-between;gap:16px;color:var(--faint);font-size:11px;margin:6px 0 14px}
.concept-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:13px}
.concept-card{border:1px solid var(--line-soft);background:var(--panel);border-radius:15px;padding:15px;min-height:142px;display:flex;flex-direction:column;transition:.16s;cursor:pointer}
.concept-card:hover{transform:translateY(-2px);border-color:rgba(110,231,216,.35);box-shadow:var(--shadow-soft)}
.concept-card-top{display:flex;justify-content:space-between;gap:8px;align-items:start}
.concept-card h3{font-size:14px;margin:10px 0 7px;line-height:1.25}
.concept-card p{font-size:11px;line-height:1.45;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.concept-card-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:13px;color:var(--faint);font-size:9px}
.load-more{display:flex;justify-content:center;margin-top:20px}

/* Blueprint pages */
.blueprint-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.blueprint-card{position:relative;overflow:hidden;min-height:245px}
.blueprint-card::after{content:"";position:absolute;right:-52px;top:-52px;width:170px;height:170px;border-radius:50%;background:radial-gradient(circle,rgba(121,167,255,.12),transparent 66%)}
.blueprint-card h3{font-size:21px;max-width:85%;position:relative;z-index:1}
.blueprint-card .bp-subtitle{font-size:11px;color:var(--accent);margin-bottom:10px;position:relative;z-index:1}
.blueprint-card p{font-size:12px;position:relative;z-index:1}
.mini-dna{display:flex;gap:4px;align-items:end;height:34px;margin-top:17px;position:relative;z-index:1}
.mini-dna i{width:7px;border-radius:5px 5px 2px 2px;background:linear-gradient(var(--accent),var(--accent-2));opacity:.78}
.blueprint-detail{display:grid;gap:17px}
.blueprint-title{display:grid;grid-template-columns:1.1fr .9fr;gap:22px}
.blueprint-title h2{font-size:42px;margin:8px 0 10px;line-height:1.05;letter-spacing:-.04em}
.blueprint-flow{display:flex;align-items:stretch;gap:8px;overflow:auto;padding-bottom:5px;margin-top:16px}
.blueprint-flow-step{min-width:150px;flex:1;border:1px solid var(--line);border-radius:14px;padding:14px;text-align:center;background:var(--panel-2);font-size:11px;font-weight:800}
.blueprint-columns{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}
.list-card h4{font-size:11px;color:var(--accent);text-transform:uppercase;letter-spacing:.11em;margin:0 0 12px}
.clean-list{display:grid;gap:8px;margin:0;padding:0;list-style:none}
.clean-list li{display:flex;gap:9px;color:var(--muted);font-size:12px;line-height:1.45}
.clean-list li::before{content:"•";color:var(--accent);font-weight:900}
.clean-list.danger-list li::before{content:"×";color:var(--danger)}
.back-row{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:14px}

/* Compare */
.compare-selects{display:grid;grid-template-columns:1fr auto 1fr;gap:14px;align-items:end;margin-bottom:18px}
.compare-selects .vs{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:var(--panel-2);border:1px solid var(--line);color:var(--accent);font-weight:900;margin-bottom:2px}
.compare-table-wrap{overflow:auto;border:1px solid var(--line-soft);border-radius:18px;background:var(--panel)}
.compare-table{width:100%;border-collapse:collapse;min-width:850px}
.compare-table th,.compare-table td{padding:15px 16px;border-bottom:1px solid var(--line-soft);vertical-align:top;text-align:left}
.compare-table th{background:var(--panel-2);color:var(--text);font-size:12px;position:sticky;top:0}
.compare-table td:first-child,.compare-table th:first-child{width:170px;color:var(--accent);font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.06em}
.compare-table td{font-size:12px;color:var(--muted);line-height:1.55}
.compare-dna{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}

/* Documentation */
.doc-tabs{display:flex;gap:8px;overflow:auto;padding-bottom:11px;margin-bottom:16px}
.doc-tab{border:1px solid var(--line);background:var(--panel-solid);color:var(--muted);border-radius:999px;padding:9px 12px;white-space:nowrap;font-size:11px;font-weight:800}
.doc-tab.active{background:var(--accent);border-color:var(--accent);color:#07131d}
.doc-content{min-height:510px}
.viewpoint-visual{display:grid;grid-template-columns:1fr 42px 1fr 42px 1fr;gap:8px;align-items:center;margin:24px 0}
.vp-box{min-height:180px;border:1px solid var(--line);border-radius:18px;padding:20px;background:var(--panel-2)}
.vp-box h3{margin-top:0}
.vp-arrow{text-align:center;color:var(--accent);font-size:28px}
.matrix-wrap{overflow:auto;border:1px solid var(--line-soft);border-radius:16px}
.matrix{width:100%;border-collapse:collapse;min-width:900px}
.matrix th,.matrix td{padding:13px 14px;border-bottom:1px solid var(--line-soft);text-align:left;vertical-align:top}
.matrix th{font-size:10px;text-transform:uppercase;letter-spacing:.08em;color:var(--accent);background:var(--panel-2)}
.matrix td{font-size:11px;color:var(--muted);line-height:1.5}
.matrix td:first-child{color:var(--text);font-weight:800}
.method-hero{display:grid;grid-template-columns:1fr .9fr;gap:20px;align-items:start}
.method-hero h2{font-size:34px;margin:8px 0}
.c4-layers{display:grid;place-items:center;gap:10px;margin-top:10px}
.c4-layer{border:1px solid var(--line);background:var(--panel-2);border-radius:14px;padding:14px 18px;width:100%}
.c4-layer:nth-child(2){width:86%}.c4-layer:nth-child(3){width:72%}.c4-layer:nth-child(4){width:58%}
.c4-layer b{display:block;font-size:12px}.c4-layer small{color:var(--faint);font-size:10px}
.sei-family{display:grid;grid-template-columns:repeat(3,1fr);gap:13px}
.sei-family-card{border:1px solid var(--line);border-radius:15px;background:var(--panel-2);padding:15px}
.sei-family-card h3{font-size:14px;margin:0 0 11px}
.package-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.package-item{border:1px solid var(--line-soft);background:var(--panel-2);border-radius:13px;padding:14px}
.package-item b{display:block;font-size:12px}.package-item small{display:block;color:var(--faint);font-size:10px;margin-top:5px}

/* Playbooks */
.playbook-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.playbook-card h3{font-size:20px}
.playbook-detail-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:17px}
.stage-list{display:grid;gap:10px;counter-reset:stage}
.stage-item{display:grid;grid-template-columns:36px 1fr;gap:12px;align-items:start;border:1px solid var(--line-soft);border-radius:14px;padding:13px;background:var(--panel-2);counter-increment:stage}
.stage-item::before{content:counter(stage);width:30px;height:30px;border-radius:10px;display:grid;place-items:center;background:rgba(110,231,216,.1);color:var(--accent);font-weight:900;font-size:11px}
.stage-item b{font-size:12px;margin-top:6px}

/* Presales and estimate */
.presales-flow{display:grid;grid-template-columns:repeat(8,1fr);gap:8px}
.presales-step{border:1px solid var(--line);background:var(--panel-2);border-radius:13px;padding:13px;text-align:center;min-height:84px;display:grid;place-items:center;font-size:11px;font-weight:800}
.question-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:14px}
.question{border-left:3px solid var(--accent);background:var(--panel-2);border-radius:10px;padding:12px 13px;color:var(--muted);font-size:11px;line-height:1.5}
.estimate-layout{display:grid;grid-template-columns:380px 1fr;gap:20px}
.score-band{display:flex;align-items:center;justify-content:space-between;gap:20px}
.big-score{font-size:68px;line-height:1;font-weight:900;letter-spacing:-.06em;color:var(--text-strong)}
.big-score small{font-size:14px;color:var(--faint);letter-spacing:0}
.band-label{font-size:21px;font-weight:900;color:var(--accent)}
.risk-bars{display:grid;gap:11px;margin-top:15px}
.risk-bar{display:grid;grid-template-columns:150px 1fr 34px;gap:10px;align-items:center}
.risk-bar label{font-size:11px;color:var(--muted)}
.risk-bar-track{height:8px;background:rgba(91,117,151,.18);border-radius:999px;overflow:hidden}
.risk-bar-track i{display:block;height:100%;background:linear-gradient(90deg,var(--ok),var(--warn),var(--danger));border-radius:999px}
.risk-bar span{font-size:10px;color:var(--faint);text-align:right}
.team-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:13px}
.team-role{border:1px solid var(--line-soft);border-radius:12px;padding:12px;background:var(--panel-2)}
.team-role b{display:block;font-size:11px}.team-role small{display:block;color:var(--faint);font-size:9px;margin-top:4px}

/* Standards */
.standard-layout{display:grid;grid-template-columns:310px 1fr;gap:18px}
.standard-list{display:grid;gap:8px}
.standard-btn{border:1px solid var(--line);background:var(--panel-solid);color:var(--muted);border-radius:12px;padding:12px;text-align:left;display:flex;justify-content:space-between;gap:9px}
.standard-btn.active{color:var(--text);border-color:rgba(110,231,216,.45);background:rgba(110,231,216,.07)}
.standard-btn small{color:var(--faint);font-size:9px}
.standard-detail h2{font-size:36px;margin:9px 0 10px}
.standard-flow{display:flex;gap:9px;align-items:center;overflow:auto;margin-top:18px}
.standard-flow .node{min-width:135px;flex:1;border:1px solid var(--line);border-radius:13px;background:var(--panel-2);padding:13px;text-align:center;font-size:11px;font-weight:800}
.standard-flow .arrow{color:var(--accent)}

/* Modals and search */
.overlay{position:fixed;inset:0;background:rgba(1,7,14,.72);backdrop-filter:blur(8px);z-index:100;display:none;align-items:flex-start;justify-content:center;padding:7vh 18px 24px}
.overlay.open{display:flex}
.modal{width:min(980px,100%);max-height:86vh;overflow:auto;border:1px solid var(--line);border-radius:22px;background:var(--panel-solid);box-shadow:0 38px 120px rgba(0,0,0,.5)}
.modal-head{position:sticky;top:0;z-index:2;display:flex;justify-content:space-between;align-items:center;gap:14px;padding:15px 18px;border-bottom:1px solid var(--line-soft);background:rgba(15,29,49,.94);backdrop-filter:blur(14px)}
[data-theme="light"] .modal-head{background:rgba(255,255,255,.94)}
.modal-body{padding:22px}
.search-modal{width:min(760px,100%)}
.command-input{width:100%;border:0;outline:0;background:transparent;color:var(--text);font-size:18px}
.search-results{display:grid;gap:6px;max-height:60vh;overflow:auto}
.search-result{border:0;background:transparent;color:var(--text);text-align:left;border-radius:11px;padding:11px 12px;display:grid;grid-template-columns:38px 1fr auto;gap:11px;align-items:center}
.search-result:hover,.search-result.active{background:var(--panel-2)}
.search-result-icon{width:35px;height:35px;border:1px solid var(--line);border-radius:11px;display:grid;place-items:center;color:var(--accent)}
.search-result b{display:block;font-size:12px}.search-result small{display:block;color:var(--faint);font-size:9px;margin-top:3px}
.search-result kbd{font-size:9px;color:var(--faint);border:1px solid var(--line);border-radius:6px;padding:3px 5px}
.empty-state{border:1px dashed var(--line);border-radius:17px;padding:38px;text-align:center;color:var(--faint)}
.toast{position:fixed;right:22px;bottom:22px;z-index:120;border:1px solid var(--line);background:var(--panel-solid);color:var(--text);border-radius:13px;padding:12px 15px;box-shadow:var(--shadow);transform:translateY(20px);opacity:0;pointer-events:none;transition:.2s;font-size:12px}
.toast.show{transform:none;opacity:1}

.notice{border-left:3px solid var(--warn);background:rgba(255,209,111,.07);border-radius:11px;padding:13px 14px;color:var(--muted);font-size:12px;line-height:1.55}
.notice.info{border-left-color:var(--info);background:rgba(135,197,255,.06)}
.notice.ok{border-left-color:var(--ok);background:rgba(124,227,161,.06)}
.divider{height:1px;background:var(--line-soft);margin:18px 0}
.muted{color:var(--muted)}
.faint{color:var(--faint)}
.text-small{font-size:11px;line-height:1.55}
.hidden{display:none!important}

@media(max-width:1250px){
  .stats-grid{grid-template-columns:repeat(3,1fr)}
  .concept-grid{grid-template-columns:repeat(3,1fr)}
  .blueprint-grid{grid-template-columns:repeat(2,1fr)}
  .presales-flow{grid-template-columns:repeat(4,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:1080px){
  .hero{grid-template-columns:1fr;min-height:auto}.atlas-orbit{min-height:470px;max-width:580px;margin:auto;width:100%}
  .studio-layout,.estimate-layout{grid-template-columns:1fr}.studio-form{position:static}
  .graph-layout{grid-template-columns:1fr}.graph-detail{position:static;max-height:none}
  .feature-blueprint,.blueprint-title,.method-hero,.playbook-detail-grid{grid-template-columns:1fr}
  .blueprint-columns{grid-template-columns:repeat(2,1fr)}
  .standard-layout{grid-template-columns:1fr}.standard-list{grid-template-columns:repeat(3,1fr)}
  .concept-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:820px){
  :root{--sidebar:280px}
  .sidebar{transform:translateX(-100%);box-shadow:var(--shadow)}
  .sidebar.open{transform:none}
  .sidebar.collapsed{width:var(--sidebar)}
  .sidebar.collapsed .brand-copy,.sidebar.collapsed .nav-label,.sidebar.collapsed .nav-group-label,.sidebar.collapsed .sidebar-footer-copy{display:block}
  .main,.sidebar.collapsed~.main{margin-left:0}
  .menu-btn{display:grid}
  .collapse-btn{display:none}
  .content{padding:25px 16px 60px}
  .topbar{padding:0 13px}.mode-chip{display:none}.topbar-actions{gap:6px}.search-key{display:none}
  .page-head{align-items:flex-start;flex-direction:column}.page-actions{justify-content:flex-start}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .result-columns,.compare-dna{grid-template-columns:1fr}
  .timeline{grid-template-columns:1fr}
  .result-hero-top{display:block}.confidence{margin-top:18px;width:96px;height:96px}
  .viewpoint-visual{grid-template-columns:1fr}.vp-arrow{transform:rotate(90deg)}
  .sei-family,.package-grid{grid-template-columns:1fr}
  .blueprint-columns{grid-template-columns:1fr}
  .playbook-grid{grid-template-columns:repeat(2,1fr)}
  .question-grid{grid-template-columns:1fr}
  .team-grid{grid-template-columns:repeat(2,1fr)}
  .standard-list{grid-template-columns:1fr 1fr}
  .compare-selects{grid-template-columns:1fr}.compare-selects .vs{margin:auto}
}
@media(max-width:580px){
  .hero h1{font-size:48px}.page-head h1{font-size:39px}
  .atlas-orbit{transform:scale(.82);margin:-28px auto;min-height:430px}.atlas-orbit::after{width:430px;height:430px}
  .stats-grid,.concept-grid,.blueprint-grid,.playbook-grid,.grid-4{grid-template-columns:1fr}
  .stat-card{min-height:auto}
  .presales-flow{grid-template-columns:repeat(2,1fr)}
  .standard-list{grid-template-columns:1fr}
  .arch-layer,.stack-row{grid-template-columns:1fr;gap:5px}
  .result-hero h2{font-size:31px}.blueprint-title h2{font-size:34px}
  .topbar .icon-btn:nth-last-child(2){display:none}
  .graph-toolbar{height:auto;flex-wrap:wrap}.graph-toolbar input{flex-basis:100%}
  .graph-canvas,.graph-canvas svg{height:530px;min-height:530px}
}